WO2022104744A1 - High-voltage control apparatus - Google Patents

High-voltage control apparatus Download PDF

Info

Publication number
WO2022104744A1
WO2022104744A1 PCT/CN2020/130629 CN2020130629W WO2022104744A1 WO 2022104744 A1 WO2022104744 A1 WO 2022104744A1 CN 2020130629 W CN2020130629 W CN 2020130629W WO 2022104744 A1 WO2022104744 A1 WO 2022104744A1
Authority
WO
WIPO (PCT)
Prior art keywords
voltage
electronic conversion
control
conversion circuit
circuit
Prior art date
Application number
PCT/CN2020/130629
Other languages
French (fr)
Chinese (zh)
Inventor
张辉
吴壬华
Original Assignee
深圳欣锐科技股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳欣锐科技股份有限公司 filed Critical 深圳欣锐科技股份有限公司
Priority to PCT/CN2020/130629 priority Critical patent/WO2022104744A1/en
Priority to CN202080012267.6A priority patent/CN113453941A/en
Publication of WO2022104744A1 publication Critical patent/WO2022104744A1/en

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L1/00—Supplying electric power to auxiliary equipment of vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/20—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
    • B60L53/22—Constructional details or arrangements of charging converters specially adapted for charging electric vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses

Definitions

  • the new energy vehicle further includes an AC charging port, the input end of the power electronic conversion circuit of the on-board charger is connected to the AC charging port, and the power electronic conversion circuit of the on-board charger is connected to the AC charging port.
  • the output end is connected to the input end of the power battery;
  • the power electronic conversion circuit of the on-board charger includes a plurality of switching devices, and the plurality of switching devices in the power electronic conversion circuit of the on-board charger are respectively connected with the N first Control signal output terminal connection.
  • an embodiment of the present application provides a high-voltage control device, which is applied to a new energy vehicle.
  • the new energy vehicle includes a power battery and a low-voltage battery.
  • the high-voltage control circuit is also used to control the on-board DC/DC converter power electronic conversion circuit to receive the high-voltage direct current of the power battery, and convert the high-voltage of the power battery The direct current is converted into low voltage direct current and input to the low voltage battery.
  • FIG. 3 is a schematic structural diagram of a vehicle-mounted power supply provided by an embodiment of the present application.
  • the electric heater power electronic conversion circuit 3042 can receive the high voltage direct current of the power battery 102 under the control of the electric heater control circuit 3041 and convert the high voltage direct current of the power battery 102 into heat energy through the heating element 3043, so that it can quickly, continuously, Reliably raising the temperature inside the vehicle and making the power battery 102 reach a suitable temperature, the service life of the power battery 102 can be prolonged, the performance of the power battery 102 can be improved, and so on.
  • the high-voltage control device may include a high-voltage control loop 501 (ie, the aforementioned on-board charger control loop 3022 ), on-board charger main loop 3020 and electric heater main loop 3040 .
  • the main circuit 3020 of the on-board charger may include a power electronic conversion circuit 3021 of the on-board charger, and the main circuit 3040 of the electric heater may include an electric heater power electronic conversion circuit 3042 and a heating element 3043 .
  • the high-voltage control loop 501 may include one or more DSPs and/or one or more MCUs, or may also include other controllers or processors, and so on. Wherein, the high-voltage control loop 501 may include a plurality of control signal output terminals for outputting control signals respectively.
  • the high-voltage control device may include a high-voltage control loop 503 (that is, the aforementioned on-board charger control loop 3022 ), on-board charger main loop 3020 and on-board DC/DC converter main loop 3030 .
  • the main circuit 3020 of the vehicle-mounted charger may include the power electronic conversion circuit 3021 of the vehicle-mounted charger
  • the main circuit 3030 of the vehicle-mounted DC/DC converter may include the power electronic conversion circuit 3031 of the vehicle-mounted DC/DC converter.
  • the high-voltage control loop 503 may include a plurality of control signal output terminals for outputting control signals respectively.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

A high-voltage control apparatus, which is applied to a new energy vehicle. The apparatus comprises: a high-voltage control loop (501), an on-board charger power electronic conversion loop (3021), and an electric heater main loop (3040), wherein the electric heater main loop (3040) comprises an electric heater power electronic conversion loop (3042) and one or more heating elements (3043); the high-voltage control loop (501) is an on-board charger control loop (3022); when a new energy vehicle is in a parking state, the high-voltage control loop (501) is used to control the on-board charger power electronic conversion loop (3021) to receive electric energy of an external power grid, and to convert the electric energy of the external power grid into a high-voltage direct current and input the high-voltage direct current into a power battery (102); and when the new energy vehicle is in a driving state, the high-voltage control loop (501) is further used to control the electric heater power electronic conversion loop (3042) to receive the high-voltage direct current of the power battery (102), and to convert the high-voltage direct current of the power battery (102) into heat energy by means of the one or more heating elements (3043). The apparatus simplifies a control loop, thereby saving on related components and effectively reducing the costs.

Description

一种高压控制装置A high voltage control device 技术领域technical field
本申请涉及高压控制技术领域，尤其涉及一种高压控制装置。The present application relates to the technical field of high-voltage control, and in particular, to a high-voltage control device.
背景技术Background technique
新能源汽车是目前发展速度最快的产业之一，随着用户对整车舒适度的要求提高，整车关键零部件的轻量化、小型化、集成化便成了新能源汽车的主要发展趋势。与传统汽车相比较，新能源汽车有三大核心部件，分别是：“电池”总成：指电池和电池管理***；“电机”总成：指电动机和电动机控制器；高压“电控”总成：包含车载直流/直流(Direct Current/Direct Current，DC/DC)变换器、车载充电机(On Board Changer，OBC)、电加热器(On-Board Heater，OBH)、电动空调、高压配电盒和其他高压部件。其中，车载DC/DC变换器和车载充电机是电动汽车的主要部件，车载DC/DC变换器和车载充电机又统称为车载电源。New energy vehicles are one of the fastest-growing industries at present. With the improvement of users' requirements for vehicle comfort, the lightweight, miniaturization and integration of key components of the vehicle have become the main development trend of new energy vehicles. . Compared with traditional vehicles, new energy vehicles have three core components, namely: "battery" assembly: refers to the battery and battery management system; "motor" assembly: refers to the motor and motor controller; high-voltage "electronic control" assembly : Including on-board DC/DC (Direct Current/Direct Current, DC/DC) converter, on-board charger (On Board Changer, OBC), electric heater (On-Board Heater, OBH), electric air conditioner, high voltage distribution box and other high voltage components. Among them, the on-board DC/DC converter and the on-board charger are the main components of the electric vehicle, and the on-board DC/DC converter and the on-board charger are also collectively referred to as the on-board power supply.
为了减小整车部件的体积和重量，可以把新能源汽车的若干高压电控部件集成。然而，上述车载DC/DC变换器、车载充电机和电加热器等各个高压部件的控制回路复杂繁多，仍旧会占用大量空间和能耗。In order to reduce the volume and weight of vehicle components, several high-voltage electronic control components of new energy vehicles can be integrated. However, the control loops of various high-voltage components such as the above-mentioned on-board DC/DC converter, on-board charger and electric heater are complex and numerous, and still occupy a lot of space and energy consumption.
发明内容SUMMARY OF THE INVENTION
本申请实施例提供一种高压控制装置，可以进一步优化控制回路的空间布置，节省电路体积和相关元器件，有效降低成本。The embodiments of the present application provide a high-voltage control device, which can further optimize the spatial arrangement of the control loop, save circuit volume and related components, and effectively reduce costs.
第一方面，本申请实施例提供了一种高压控制装置，应用于新能源汽车，所述新能源汽车包括动力电池，所述高压控制装置包括高压控制回路、车载充电机电力电子变换回路和电加热器主回路；所述电加热器主回路包括电加热器电力电子变换回路和一个或多个发热元件；所述高压控制回路为车载充电机控制回路；In the first aspect, an embodiment of the present application provides a high-voltage control device, which is applied to a new energy vehicle. The new energy vehicle includes a power battery, and the high-voltage control device includes a high-voltage control circuit, an on-board charger power electronic conversion circuit, and an electric A heater main circuit; the electric heater main circuit includes an electric heater power electronic conversion circuit and one or more heating elements; the high-voltage control circuit is an on-board charger control circuit;
当所述新能源汽车处于停车状态时，所述高压控制回路，用于控制所述车载充电机电力电子变换回路接收外界电网的电能，并将所述外界电网的电能转换为高压直流电输入至所述动力电池；When the new energy vehicle is in a parking state, the high-voltage control circuit is used to control the power electronic conversion circuit of the on-board charger to receive the electric energy of the external power grid, and convert the electric energy of the external power grid into high-voltage direct current and input it to the external power grid. the power battery;
当所述新能源汽车处于行驶状态时，所述高压控制回路，还用于控制所述电加热器电力电子变换回路接收所述动力电池的高压直流电，并将所述动力电池的高压直流电通过所述一个或多个发热元件转换为热能。When the new energy vehicle is in a driving state, the high-voltage control circuit is also used to control the electric heater power electronic conversion circuit to receive the high-voltage direct current of the power battery, and pass the high-voltage direct current of the power battery through the power battery. The one or more heating elements are converted into thermal energy.
在一种可能的实施方式中，所述高压控制回路包括N个第一控制信号输出端和M个第二控制信号输出端；N、M为大于或者等于1的整数。In a possible implementation manner, the high-voltage control loop includes N first control signal output terminals and M second control signal output terminals; N and M are integers greater than or equal to 1.
在一种可能的实施方式中，所述新能源汽车还包括交流充电口，所述车载充电机电力电子变换回路的输入端与所述交流充电口连接，所述车载充电机电力电子变换回路的输出端与所述动力电池的输入端连接；所述车载充电机电力电子变换回路包括多个开关器件， 所述车载充电机电力电子变换回路内的多个开关器件分别与所述N个第一控制信号输出端连接。In a possible implementation manner, the new energy vehicle further includes an AC charging port, the input end of the power electronic conversion circuit of the on-board charger is connected to the AC charging port, and the power electronic conversion circuit of the on-board charger is connected to the AC charging port. The output end is connected to the input end of the power battery; the power electronic conversion circuit of the on-board charger includes a plurality of switching devices, and the plurality of switching devices in the power electronic conversion circuit of the on-board charger are respectively connected with the N first Control signal output terminal connection.
在一种可能的实施方式中，所述电加热器电力电子变换回路的输入端与所述动力电池的输出端连接，所述电加热器电力电子变换回路的输出端与所述一个或多个发热元件连接；所述电加热器电力电子变换回路包括多个开关器件，所述电加热器电力电子变换回路内的多个开关器件分别与所述M个第二控制信号输出端连接。In a possible implementation manner, the input end of the electric heater power electronic conversion circuit is connected to the output end of the power battery, and the output end of the electric heater power electronic conversion circuit is connected to the one or more The heating element is connected; the electric heater power electronic conversion circuit includes a plurality of switching devices, and the plurality of switching devices in the electric heater power electronic conversion circuit are respectively connected with the M second control signal output ends.
在一种可能的实施方式中，当所述新能源汽车处于停车状态时，所述高压控制回路，具体用于通过所述N个第一控制信号输出端输出多个控制信号，控制所述车载充电机电力电子变换回路内的多个开关器件的导通和关断；In a possible implementation, when the new energy vehicle is in a parking state, the high-voltage control loop is specifically configured to output a plurality of control signals through the N first control signal output terminals to control the vehicle The turn-on and turn-off of multiple switching devices in the power electronic conversion circuit of the charger;
当所述新能源汽车处于行驶状态时，所述高压控制回路，具体用于通过所述M个第二控制信号输出端输出多个控制信号，控制所述电加热器电力电子变换回路内的多个开关器件的导通和关断。When the new energy vehicle is in a driving state, the high-voltage control loop is specifically configured to output a plurality of control signals through the M second control signal output terminals, to control the multiple control signals in the electric heater power electronic conversion loop. turn-on and turn-off of a switching device.
在一种可能的实施方式中，所述电加热器主回路包括液冷和风冷两种工作方式中的任意一种；所述高压控制回路包括一个或多个微处理器MCU和/或一个或多个数字信号处理器DSP。In a possible implementation manner, the main circuit of the electric heater includes any one of liquid cooling and air cooling; the high-voltage control circuit includes one or more microprocessors MCU and/or one or multiple digital signal processors DSP.
综上所述，本申请实施例提供了一种高压控制装置，利用车载充电机和电加热器不同时工作的特性，基于错峰控制，在新能源汽车处于停车状态时，通过车载充电机控制回路控制车载充电机对新能源汽车进行充电；在新能源汽车处于行驶状态时，通过车载充电机控制回路控制电加热器进行加热。如此，通过一个原有的车载充电机控制回路(例如包括一个或多个数字信号处理器DSP)实现对车载充电机电力电子变换回路和电加热器电力电子变换回路的分别控制。例如，该车载充电机控制回路可以控制车载充电机电力电子变换回路接收外界电网的电能，并将外界电网的电能转换为高压直流电输入至动力电池；还可以控制电加热器电力电子变换回路接收动力电池的高压直流电，并将动力电池的高压直流电通过一个或多个发热元件转换为热能。进一步的，比如具体可以通过该车载充电机控制回路输出多个控制信号以分别在停车状态下和行驶状态下控制上述各个电力电子变换回路中的一个或多个开关器件的导通或者关断，等等，从而实现上述控制功能。由此，对比现有的控制技术，本申请实施例对新能源汽车中的控制回路进行了简化，节省了电加热器控制回路，从而推进了新能源汽车整车关键零部件的轻量化、小型化和集成化，进一步减小了整车的体积和重量，优化空间布置。与此同时，也有效降低了新能源汽车整车的制造成本。To sum up, the embodiment of the present application provides a high-voltage control device, which utilizes the characteristics that the on-board charger and the electric heater do not work at the same time, and based on peak shift control, when the new energy vehicle is in a parking state, the on-board charger controls The circuit controls the on-board charger to charge the new energy vehicle; when the new energy vehicle is in driving state, the on-board charger control circuit controls the electric heater for heating. In this way, the separate control of the power electronic conversion circuit of the on-board charger and the power electronic conversion circuit of the electric heater is realized through an original control circuit of the on-board charger (for example, including one or more digital signal processors DSP). For example, the on-board charger control circuit can control the power electronic conversion circuit of the on-board charger to receive the electric energy of the external power grid, and convert the electric energy of the external power grid into high-voltage direct current and input it to the power battery; it can also control the electric heater power electronic conversion circuit to receive the power The high-voltage direct current of the battery, and the high-voltage direct current of the power battery is converted into heat energy through one or more heating elements. Further, for example, a plurality of control signals can be output through the on-board charger control circuit to control the on or off of one or more switching devices in the above-mentioned power electronic conversion circuits in the parking state and the driving state, respectively, And so on, so as to realize the above control function. Therefore, compared with the existing control technology, the embodiment of the present application simplifies the control circuit in the new energy vehicle, saves the electric heater control circuit, thereby promoting the lightweight and small size of the key components of the new energy vehicle. It further reduces the volume and weight of the vehicle and optimizes the space layout. At the same time, it also effectively reduces the manufacturing cost of new energy vehicles.
第二方面，本申请实施例提供了一种高压控制装置，应用于新能源汽车，所述新能源汽车包括动力电池，其特征在于，所述高压控制装置包括高压控制回路、车载充电机电力电子变换回路和电加热器主回路；所述电加热器主回路包括电加热器电力电子变换回路和一个或多个发热元件；所述高压控制回路为电加热器控制回路；In a second aspect, an embodiment of the present application provides a high-voltage control device, which is applied to a new energy vehicle, and the new energy vehicle includes a power battery. It is characterized in that the high-voltage control device includes a high-voltage control circuit, an on-board charger power electronics A conversion circuit and an electric heater main circuit; the electric heater main circuit includes an electric heater power electronic conversion circuit and one or more heating elements; the high-voltage control circuit is an electric heater control circuit;
当所述新能源汽车处于停车状态时，所述高压控制回路，用于控制所述车载充电机电力电子变换回路接收外界电网的电能，并将所述外界电网的电能转换为高压直流电输入至所述动力电池；When the new energy vehicle is in a parking state, the high-voltage control circuit is used to control the power electronic conversion circuit of the on-board charger to receive the electric energy of the external power grid, and convert the electric energy of the external power grid into high-voltage direct current and input it to the external power grid. the power battery;
当所述新能源汽车处于行驶状态时，所述高压控制回路，还用于控制所述电加热器电力电子变换回路接收所述动力电池的高压直流电，并将所述动力电池的高压直流电通过所述一个或多个发热元件转换为热能。When the new energy vehicle is in a driving state, the high-voltage control circuit is also used to control the electric heater power electronic conversion circuit to receive the high-voltage direct current of the power battery, and pass the high-voltage direct current of the power battery through the power battery. The one or more heating elements are converted into thermal energy.
综上所述，本申请实施例提供了一种高压控制装置，利用车载充电机和电加热器不同时工作的特性，基于错峰控制，在新能源汽车处于停车状态时，通过电加热器控制回路控制车载充电机对新能源汽车进行充电；在新能源汽车处于行驶状态时，通过电加热器控制回路控制电加热器进行加热。如此，通过一个原有的电加热器控制回路(例如包括一个或多个数字信号处理器DSP)实现对车载充电机电力电子变换回路和电加热器电力电子变换回路的分别控制。例如，该电加热器控制回路可以控制车载充电机电力电子变换回路接收外界电网的电能，并将外界电网的电能转换为高压直流电输入至动力电池；还可以控制电加热器电力电子变换回路接收动力电池的高压直流电，并将动力电池的高压直流电通过一个或多个发热元件转换为热能。进一步的，比如具体可以通过该电加热器控制回路输出多个控制信号以分别在停车状态下和行驶状态下控制上述各个电力电子变换回路中的一个或多个开关器件的导通或者关断，等等，从而实现上述控制功能。由此，对比现有的控制技术，本申请实施例对新能源汽车中的控制回路进行了简化，节省了车载充电机控制回路，从而推进了新能源汽车整车关键零部件的轻量化、小型化和集成化，进一步减小了整车的体积和重量，优化空间布置。与此同时，也有效降低了新能源汽车整车的制造成本。To sum up, the embodiment of the present application provides a high-voltage control device, which utilizes the characteristics that the on-board charger and the electric heater do not work at the same time, and based on the peak shift control, when the new energy vehicle is in a parking state, the electric heater controls the The circuit controls the on-board charger to charge the new energy vehicle; when the new energy vehicle is in a driving state, the electric heater is controlled by the electric heater control circuit for heating. In this way, the separate control of the power electronic conversion circuit of the on-board charger and the power electronic conversion circuit of the electric heater is realized through an original electric heater control circuit (for example, including one or more digital signal processors DSP). For example, the electric heater control circuit can control the power electronic conversion circuit of the on-board charger to receive electric energy from the external grid, and convert the electric energy of the external grid into high-voltage direct current and input it to the power battery; it can also control the electric heater power electronic conversion circuit to receive power. The high-voltage direct current of the battery, and the high-voltage direct current of the power battery is converted into heat energy through one or more heating elements. Further, for example, a plurality of control signals can be output through the electric heater control loop to control the on or off of one or more switching devices in the above-mentioned power electronic conversion loops in the parking state and the driving state, respectively, And so on, so as to realize the above control function. Therefore, compared with the existing control technology, the embodiment of the present application simplifies the control circuit in the new energy vehicle, saves the control circuit of the on-board charger, thereby promoting the lightweight and small size of the key components of the new energy vehicle. It further reduces the volume and weight of the vehicle and optimizes the space layout. At the same time, it also effectively reduces the manufacturing cost of new energy vehicles.
第三方面，本申请实施例提供了一种高压控制装置，应用于新能源汽车，所述新能源汽车包括动力电池和低压蓄电池，其特征在于，所述高压控制装置包括高压控制回路、车载充电机电力电子变换回路和车载DC/DC变换器电力电子变换回路；所述高压控制回路为车载充电机控制回路；In a third aspect, an embodiment of the present application provides a high-voltage control device, which is applied to a new energy vehicle. The new energy vehicle includes a power battery and a low-voltage battery. The electromechanical power electronic conversion circuit and the on-board DC/DC converter power electronic conversion circuit; the high-voltage control circuit is the on-board charger control circuit;
当所述新能源汽车处于停车状态时，所述高压控制回路，用于控制所述车载充电机电力电子变换回路接收外界电网的电能，并将所述外界电网的电能转换为高压直流电输入至所述动力电池；When the new energy vehicle is in a parking state, the high-voltage control circuit is used to control the power electronic conversion circuit of the on-board charger to receive the electric energy of the external power grid, and convert the electric energy of the external power grid into high-voltage direct current and input it to the external power grid. the power battery;
当所述新能源汽车处于行驶状态时，所述高压控制回路，还用于控制所述车载DC/DC变换器电力电子变换回路接收所述动力电池的高压直流电，并将所述动力电池的高压直流电转换为低压直流电输入至所述低压蓄电池。When the new energy vehicle is in a driving state, the high-voltage control circuit is also used to control the on-board DC/DC converter power electronic conversion circuit to receive the high-voltage direct current of the power battery, and convert the high-voltage of the power battery The direct current is converted into low voltage direct current and input to the low voltage battery.
如上所述，第三方面的具体实施细节以及有益效果可参考上述第一方面以及第二方面中的相关描述，此处不再进行赘述。As described above, for the specific implementation details and beneficial effects of the third aspect, reference may be made to the relevant descriptions in the first aspect and the second aspect, which will not be repeated here.
第四方面，本申请实施例提供了一种高压控制装置，应用于新能源汽车，所述新能源汽车包括动力电池和低压蓄电池，其特征在于，所述高压控制装置包括高压控制回路、车载充电机电力电子变换回路和车载DC/DC变换器电力电子变换回路；所述高压控制回路为车载DC/DC变换器控制回路；In a fourth aspect, an embodiment of the present application provides a high-voltage control device, which is applied to a new energy vehicle. The new energy vehicle includes a power battery and a low-voltage battery. The high-voltage control device includes a high-voltage control circuit, an on-board charging an electromechanical power electronic conversion circuit and a vehicle-mounted DC/DC converter power electronic conversion circuit; the high-voltage control circuit is a vehicle-mounted DC/DC converter control circuit;
当所述新能源汽车处于停车状态时，所述高压控制回路，用于控制所述车载充电机电力电子变换回路接收外界电网的电能，并将所述外界电网的电能转换为高压直流电输入至所述动力电池；When the new energy vehicle is in a parking state, the high-voltage control circuit is used to control the power electronic conversion circuit of the on-board charger to receive the electric energy of the external power grid, and convert the electric energy of the external power grid into high-voltage direct current and input it to the external power grid. the power battery;
当所述新能源汽车处于行驶状态时，所述高压控制回路，还用于控制所述车载DC/DC变换器电力电子变换回路接收所述动力电池的高压直流电，并将所述动力电池的高压直流电转换为低压直流电输入至所述低压蓄电池。When the new energy vehicle is in a driving state, the high-voltage control circuit is also used to control the on-board DC/DC converter power electronic conversion circuit to receive the high-voltage direct current of the power battery, and convert the high-voltage of the power battery The direct current is converted into low voltage direct current and input to the low voltage battery.
如上所述，第四方面的具体实施细节以及有益效果可参考上述第一方面以及第二方面中的相关描述，此处不再进行赘述。As described above, for the specific implementation details and beneficial effects of the fourth aspect, reference may be made to the relevant descriptions in the first aspect and the second aspect, which will not be repeated here.
第五方面，本申请实施例提供了一种高压控制装置，应用于新能源汽车，所述新能源汽车包括动力电池和低压蓄电池，其特征在于，所述高压控制装置包括高压控制回路、车载充电机电力电子变换回路和电加热器主回路；所述电加热器主回路包括电加热器电力电子变换回路和一个或多个发热元件；所述高压控制回路为将车载充电机控制回路和车载DC/DC变换器控制回路进行集成后得到的控制回路；In a fifth aspect, an embodiment of the present application provides a high-voltage control device, which is applied to a new energy vehicle. The new energy vehicle includes a power battery and a low-voltage battery. The high-voltage control device includes a high-voltage control circuit, an on-board charging An electromechanical power electronic conversion circuit and an electric heater main circuit; the electric heater main circuit includes an electric heater power electronic conversion circuit and one or more heating elements; the high-voltage control circuit is a combination of the vehicle charger control circuit and the vehicle DC The control loop obtained by integrating the control loop of the /DC converter;
当所述新能源汽车处于停车状态时，所述高压控制回路，用于控制所述车载充电机电力电子变换回路接收外界电网的电能，并将所述外界电网的电能转换为高压直流电输入至所述动力电池；When the new energy vehicle is in a parking state, the high-voltage control circuit is used to control the power electronic conversion circuit of the on-board charger to receive the electric energy of the external power grid, and convert the electric energy of the external power grid into high-voltage direct current and input it to the external power grid. the power battery;
当所述新能源汽车处于行驶状态时，所述高压控制回路，还用于控制所述电加热器电力电子变换回路接收所述动力电池的高压直流电，并将所述动力电池的高压直流电通过所述一个或多个发热元件转换为热能。When the new energy vehicle is in a driving state, the high-voltage control circuit is also used to control the electric heater power electronic conversion circuit to receive the high-voltage direct current of the power battery, and pass the high-voltage direct current of the power battery through the power battery. The one or more heating elements are converted into thermal energy.
当所述新能源汽车处于行驶状态时，所述高压控制回路，还用于控制所述车载DC/DC变换器电力电子变换回路接收所述动力电池的高压直流电，并将所述动力电池的高压直流电转换为低压直流电输入至所述低压蓄电池。When the new energy vehicle is in a driving state, the high-voltage control circuit is also used to control the on-board DC/DC converter power electronic conversion circuit to receive the high-voltage direct current of the power battery, and convert the high-voltage of the power battery The direct current is converted into low voltage direct current and input to the low voltage battery.
如上所述，第五方面的具体实施细节以及有益效果可参考上述第一方面以及第二方面中的相关描述，此处不再进行赘述。As described above, for the specific implementation details and beneficial effects of the fifth aspect, reference may be made to the relevant descriptions in the first aspect and the second aspect, which will not be repeated here.
第六方面，本申请实施例提供了一种新能源汽车，其特征在于，包括交流充电口、动力电池、低压蓄电池以及上述第一方面、第二方面和第三方面中任意一项所述的高压控制装置。In a sixth aspect, an embodiment of the present application provides a new energy vehicle, characterized in that it includes an AC charging port, a power battery, a low-voltage battery, and any one of the first, second, and third aspects described above. High pressure control device.
综上所述，本申请实施例基于错峰控制的理念，利用新能源汽车中可以不同时工作的多个高压部件中的一个高压部件的控制回路，实现在停车状态下和行驶状态下分别控制多个高压部件的工作，从而可以节省其他的控制回路，使得新能源汽车的整车关键零部件更加轻量化、小型化和集成化，进一步减小了整车的体积和重量，优化空间布置。与此同时，也有效降低了新能源汽车整车的制造成本。To sum up, the embodiment of the present application is based on the concept of peak shift control, and utilizes the control loop of one high-voltage component among multiple high-voltage components in a new energy vehicle that can not work at the same time, to achieve separate control in the parking state and the driving state. The work of multiple high-voltage components can save other control loops, making the key components of the new energy vehicle more lightweight, miniaturized and integrated, further reducing the volume and weight of the vehicle, and optimizing the space layout. At the same time, it also effectively reduces the manufacturing cost of new energy vehicles.
附图说明Description of drawings
图1是现有技术中的一种新能源汽车的***总成结构示意图；1 is a schematic diagram of a system assembly structure of a new energy vehicle in the prior art;
图2是本申请实施例提供的一种新能源汽车的***总成结构示意图；2 is a schematic structural diagram of a system assembly of a new energy vehicle provided by an embodiment of the present application;
图3是本申请实施例提供的一种车载电源结构示意图；3 is a schematic structural diagram of a vehicle-mounted power supply provided by an embodiment of the present application;
图4是本申请实施例提供的一种电加热器结构示意图；4 is a schematic structural diagram of an electric heater provided by an embodiment of the present application;
图5是本申请实施例提供的一种电加热器的电路结构示意图；5 is a schematic diagram of a circuit structure of an electric heater provided by an embodiment of the present application;
图6是本申请实施例提供的一种高压控制装置示意图；6 is a schematic diagram of a high-voltage control device provided by an embodiment of the present application;
图7是本申请实施例提供的一种应用场景示意图；FIG. 7 is a schematic diagram of an application scenario provided by an embodiment of the present application;
图8是本申请实施例提供的另一种应用场景示意图；FIG. 8 is a schematic diagram of another application scenario provided by an embodiment of the present application;
图9是本申请实施例提供的另一种高压控制装置示意图；9 is a schematic diagram of another high-voltage control device provided by an embodiment of the present application;
图10是本申请实施例提供的又一种高压控制装置示意图；10 is a schematic diagram of another high-voltage control device provided by an embodiment of the present application;
图11是本申请实施例提供的又一种高压控制装置示意图；11 is a schematic diagram of another high-voltage control device provided by an embodiment of the present application;
图12是本申请实施例提供的又一种高压控制装置示意图。FIG. 12 is a schematic diagram of another high-voltage control device provided by an embodiment of the present application.
具体实施方式Detailed ways
本申请的实施方式部分使用的术语仅用于对本申请的具体实施例进行解释，而非旨在限定本申请。The terms used in the embodiments of the present application are only used to explain specific embodiments of the present application, and are not intended to limit the present application.
下面将结合本申请实施例中的附图，对本申请实施例进行描述。The embodiments of the present application will be described below with reference to the accompanying drawings in the embodiments of the present application.
本申请的说明书和权利要求书及所述附图中的术语“第一”和“第二”等是用于区别不同对象，而不是用于描述特定顺序。此外，术语“包括”和“具有”以及它们的任何变形，意图在于覆盖不排他的包含。例如包含了一系列步骤或单元的过程、方法、***、产品或设备没有限定于已列出的步骤或单元，而是可选地还包括没有列出的步骤或单元，或可选地还包括对于这些过程、方法、产品或设备固有的其它步骤或单元。需要说明的是，当一个元件被称作与另一个或多个元件“耦合”、“连接”时，它可以是一个元件直接连接到另一个或多个元件，也可以是间接连接至该另一个或多个元件。The terms "first" and "second" in the description and claims of the present application and the drawings are used to distinguish different objects, rather than to describe a specific order. Furthermore, the terms "comprising" and "having", and any variations thereof, are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but optionally also includes unlisted steps or units, or optionally also includes For other steps or units inherent to these processes, methods, products or devices. It should be noted that when an element is referred to as being "coupled" or "connected" with another element or elements, it can be that one element is directly connected to the other element or elements, or it can be indirectly connected to the other element or elements. one or more elements.
在本文中提及“实施例”意味着，结合实施例描述的特定特征、结构或特性可以包含在本申请的至少一个实施例中。在说明书中的各个位置出现该短语并不一定均是指相同的实施例，也不是与其它实施例互斥的独立的或备选的实施例。本邻域技术人员显式地和隐式地理解的是，本文所描述的实施例可以与其它实施例相结合。Reference herein to an "embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor a separate or alternative embodiment that is mutually exclusive of other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.
首先，对本申请中的部分用语进行解释说明，以便于本领域技术人员理解。First, some terms in this application will be explained so as to facilitate the understanding of those skilled in the art.
(1)车载充电机，主要用于常规充电，其一般要求是效率高、功率大、输出纹波小和输出电压变化范围大。符合锂离子动力电池要求的理想车载充电机，不仅能够提高整车的效率，还能有效延长电池的循环使用寿命，降低电池的使用成本，缩短充电时间，这对增加新能源汽车的续驶里程来说是十分重要的，从而为新能源汽车的实用化和普及化提供了有效的支持。其中，新能源汽车最特别之处就是它本身有一个高容量的动力电池组，而且这个电池组可以进行反复的充电和放电，因此新能源汽车可成为一种电能的存储设备。随着新能源汽车技术越来越成熟，人们对新能源汽车的需求量也在不断的增大。当新能源汽车的数量增加到一定程度时，就可以把每个新能源汽车看作是一个分布式电源(Distributed generator)。双向车载充电机就可以实现在电网用电低谷时向新能源汽车的动力电池组充电(charging mode)，也可以实现在新能源汽车离网时，由动力电池组给家庭或车外电器供电(Vehicle to Load，V2L)，满足郊游娱乐等用电的需求。或者，新能源汽车可以在地震，台风等自然灾害下作为应急电源，通过现有的双向车载充电机向家庭供电(Vehicle to Home,V2H)。通过双向车载充电机可以实现能量的双向流动，有效调节电网峰谷差，改善 电网质量。(1) The on-board charger is mainly used for conventional charging, and its general requirements are high efficiency, high power, small output ripple and large output voltage variation range. The ideal on-board charger that meets the requirements of lithium-ion power batteries can not only improve the efficiency of the whole vehicle, but also effectively prolong the cycle life of the battery, reduce the use cost of the battery, and shorten the charging time, which is beneficial to increasing the driving range of new energy vehicles. It is very important to provide effective support for the practicality and popularization of new energy vehicles. Among them, the most special feature of the new energy vehicle is that it has a high-capacity power battery pack, and this battery pack can be repeatedly charged and discharged, so the new energy vehicle can become an electrical energy storage device. As new energy vehicle technology becomes more and more mature, people's demand for new energy vehicles is also increasing. When the number of new energy vehicles increases to a certain extent, each new energy vehicle can be regarded as a distributed generator. The two-way on-board charger can be used to charge the power battery pack of the new energy vehicle when the power consumption of the power grid is low (charging mode). Vehicle to Load, V2L), to meet the needs of electricity for outings and entertainment. Alternatively, new energy vehicles can be used as emergency power supplies in the event of natural disasters such as earthquakes and typhoons, and supply power to households (Vehicle to Home, V2H) through the existing two-way on-board chargers. The two-way on-board charger can realize the two-way flow of energy, effectively adjust the peak-to-valley difference of the power grid, and improve the quality of the power grid.
(2)电加热器，是一种国际流行的高品质长寿命电加热设备。用于对流动的液态、气态介质的升温、保温、加热。当加热介质在压力作用下通过电加热器加热腔，采用流体热力学原理均匀地带走发热元件工作中所产生的巨大热量，使被加热介质温度达到用户工艺要求。(2) Electric heater is an internationally popular high-quality and long-life electric heating equipment. It is used for heating, heat preservation and heating of flowing liquid and gaseous media. When the heating medium passes through the heating chamber of the electric heater under the action of pressure, the principle of fluid thermodynamics is used to uniformly take away the huge heat generated by the heating element, so that the temperature of the heated medium can meet the user's technological requirements.
(3)DC/DC变换器，可以将不稳定的直流输入电压转换成稳定的直流电输出。DC/DC变换器的工作方式可以是脉宽调制(Pulse Width Modulation，PWM)工作方式，基本原理是通过开关器件把直流电斩成方波(脉冲波)，通过调节方波的占空比(脉冲宽度与脉冲周期之比)来改变输出电压，也可是脉冲频率调制(Pulse Frequency Modulation，PFM)工作方式，通过调整工作频率来改变输出电压。新能源汽车上的车载DC/DC变换器可以接收动力电池的高压直流电(比如为250V至450V左右的高压直流电)，并将高压直流电转换为低压直流电(比如可以为12V的低压直流电)输入至低压蓄电池中。该低压蓄电池可以为新能源汽车内的用电设备提供电能，比如音响、收音机、车灯和雨刮器等辅助用电设备。(3) DC/DC converter, which can convert unstable DC input voltage into stable DC output. The working mode of the DC/DC converter can be pulse width modulation (Pulse Width Modulation, PWM) working mode. The ratio of the width to the pulse period) can be used to change the output voltage, or it can be a pulse frequency modulation (Pulse Frequency Modulation, PFM) working mode, and the output voltage can be changed by adjusting the operating frequency. The on-board DC/DC converter on the new energy vehicle can receive the high-voltage direct current of the power battery (such as high-voltage direct current of about 250V to 450V), and convert the high-voltage direct current into low-voltage direct current (such as low-voltage direct current of 12V) and input it to the low-voltage in the battery. The low-voltage battery can provide electrical energy for the electrical equipment in the new energy vehicle, such as auxiliary electrical equipment such as audio, radio, headlights and wipers.
请参见图1，图1是现有技术中的一种新能源汽车的***总成结构示意图。如图1所示，与传统汽车相比较，现有的新能源汽车可以包括三大核心部件，分别为“电池”总成10、“电机”总成20和高压“电控”总成30。其中，如图1所示，“电池”总成10可以包括BMS(Battery Management System，电池管理***)101、动力电池(或者称之为高压动力电池)102和电池包(pack)环境控制103。可选的，一般情况下动力电池102的电压范围可以是250V至450V不等，本申请实施例对此不作具体限定。可选的，动力电池102一般可以分为两大类，包括蓄电池和燃料电池，蓄电池适用于纯电动汽车，例如可以包括铅酸蓄电池、镍氢电池、钠硫电池、二次锂电池、空气电池、三元锂电池等等，本申请实施例对此不作具体限定。需要说明的是，本申请实施例中的新能源汽车，可以为完全电力驱动的纯电动汽车，也可以为燃料和电力双驱动的混动汽车。其中，混动汽车(也即混合动力汽车)，亦称复合动力汽车(Hybrid Power Automobile)，是指车上装有两个以上动力源，例如包括蓄电池、燃料电池、太阳能电池、内燃机车的发电机组，当前复合动力汽车一般是指内燃机车发电机，再加上蓄电池的汽车。Please refer to FIG. 1 , which is a schematic structural diagram of a system assembly of a new energy vehicle in the prior art. As shown in Figure 1, compared with traditional vehicles, existing new energy vehicles can include three core components, namely "battery" assembly 10, "motor" assembly 20 and high-voltage "electronic control" assembly 30. Wherein, as shown in FIG. 1 , the “battery” assembly 10 may include a BMS (Battery Management System, battery management system) 101 , a power battery (or referred to as a high-voltage power battery) 102 and a battery pack (pack) environment control 103 . Optionally, in general, the voltage range of the power battery 102 may range from 250V to 450V, which is not specifically limited in this embodiment of the present application. Optionally, the power battery 102 can generally be divided into two categories, including batteries and fuel cells. The batteries are suitable for pure electric vehicles, and may include, for example, lead-acid batteries, nickel-metal hydride batteries, sodium-sulfur batteries, secondary lithium batteries, and air batteries. , ternary lithium battery, etc., which are not specifically limited in the embodiments of the present application. It should be noted that, the new energy vehicle in the embodiment of the present application may be a pure electric vehicle driven entirely by electricity, or may be a hybrid vehicle driven by both fuel and electricity. Among them, a hybrid vehicle (that is, a hybrid vehicle), also known as a hybrid vehicle (Hybrid Power Automobile), refers to a vehicle equipped with more than two power sources, such as batteries, fuel cells, solar cells, and diesel locomotives. , The current hybrid vehicle generally refers to a diesel locomotive generator, plus a battery car.
如图1所示，“电机”总成20可以包括动力总成201、电机202和电机控制器203。高压“电控”总成30可以包括高压直流电配电301、车载充电机302、车载DC/DC变换器303、电加热器304、电动空调305和其他高压部件306。其中，其他高压部件306例如可以包括高压配电盒等等。其中，车载DC/DC变换器303和车载充电机302是电动汽车的主要部件，车载DC/DC变换器303和车载充电机302又可以统称为车载电源。可选的，如图1所示，新能源汽车还可以包括直流充电口40、交流充电口41和低压蓄电池42。其中，该低压蓄电池42是将化学能直接转化成电能的一种装置，是按可再充电设计的电池，通过可逆的化学反应实现再充电，通常是指铅酸蓄电池。该低压蓄电池42的电压一般远小于动力电池102的电压，例如，较为常见的是12V和24V，等等。又例如，在本申请的新能源汽车中的低压蓄电池42可以是由6个2V铅酸蓄电池串联成的12V的电池组，等等，本申请实施例对此不作具体限定。如图1所示，在现有技术中，高压“电控”总成30内的车载充电机302、 车载DC/DC变换器303、电加热器304、电动空调305和其他高压部件306等部件一般都独立设置，分别由各自的主回路(主要包括电力电子变换回路)和控制回路组成，如此，往往造成高压“电控”总成30的电路复杂，元器件繁多，电路体积较大，进而增加了整车的体积和重量以及整车的制造成本。As shown in FIG. 1 , the “motor” assembly 20 may include a powertrain 201 , a motor 202 and a motor controller 203 . The high voltage "electrical control" assembly 30 may include a high voltage DC power distribution 301 , an onboard charger 302 , an onboard DC/DC converter 303 , an electric heater 304 , an electric air conditioner 305 and other high voltage components 306 . The other high-voltage components 306 may include, for example, a high-voltage distribution box and the like. The on-board DC/DC converter 303 and the on-board charger 302 are the main components of the electric vehicle, and the on-board DC/DC converter 303 and the on-board charger 302 may also be collectively referred to as on-board power supplies. Optionally, as shown in FIG. 1 , the new energy vehicle may further include a DC charging port 40 , an AC charging port 41 and a low-voltage battery 42 . The low-voltage battery 42 is a device that directly converts chemical energy into electrical energy, and is a rechargeable battery designed to be recharged through a reversible chemical reaction, usually referred to as a lead-acid battery. The voltage of the low-voltage battery 42 is generally much lower than the voltage of the power battery 102 , for example, 12V and 24V are more common, and so on. For another example, the low-voltage battery 42 in the new energy vehicle of the present application may be a 12V battery pack composed of six 2V lead-acid batteries connected in series, etc., which are not specifically limited in the embodiments of the present application. As shown in FIG. 1 , in the prior art, the on-board charger 302 , on-board DC/DC converter 303 , electric heater 304 , electric air conditioner 305 and other high-voltage components 306 in the high-voltage “electrical control” assembly 30 are Generally, they are set independently, and are composed of their own main loops (mainly including power electronic conversion loops) and control loops. In this way, the circuit of the high-voltage "electrical control" assembly 30 is often complicated, with many components and a large circuit volume. The volume and weight of the whole vehicle and the manufacturing cost of the whole vehicle are increased.
请参见图2，图2是本申请实施例提供的一种新能源汽车的***总成结构示意图。如图2所示，在本申请实施例中，可以将新能源汽车的高压“电控”总成30内的车载充电机302、车载DC/DC变换器303和电加热器304进行集成。具体可以将车载充电机302、车载DC/DC变换器303和电加热器304的主回路进行集成，并简化控制回路等等。从而可以减少电路接线和电路体积，节省相关元器件，优化空间布置，有效降整车的低制造成本。可选的，该电加热器304可以为市面上较为常见的PCT电加热器，也可以是其他类型的电加热器，等等，本申请实施例对此不作具体限定。Please refer to FIG. 2. FIG. 2 is a schematic structural diagram of a system assembly of a new energy vehicle provided by an embodiment of the present application. As shown in FIG. 2 , in the embodiment of the present application, the on-board charger 302 , the on-board DC/DC converter 303 and the electric heater 304 in the high-voltage "electronic control" assembly 30 of the new energy vehicle can be integrated. Specifically, the main circuits of the vehicle-mounted charger 302 , the vehicle-mounted DC/DC converter 303 and the electric heater 304 can be integrated, and the control circuit and the like can be simplified. As a result, circuit wiring and circuit volume can be reduced, related components can be saved, space layout can be optimized, and the low manufacturing cost of the entire vehicle can be effectively reduced. Optionally, the electric heater 304 may be a relatively common PCT electric heater on the market, or may be other types of electric heaters, etc., which is not specifically limited in this embodiment of the present application.
请参见图3，图3是本申请实施例提供的一种车载电源结构示意图。如图3所示，车载充电机302可以包括车载充电机电力电子变换回路3021和车载充电机控制回路3022。其中，车载充电机电力电子变换回路3021一般可以包括功率因数校正电路、整流电路、逆变电路和DC/DC变换电路等等。其中，车载充电机电力电子变换回路3021可以将输入的交流电(例如为220VAC的交流电)转换为直流电(一般为高压直流电，例如为450V的高压直流电)输出，或者，若该车载充电机302为双向车载充电机，还可以将输入的直流电转换为交流电输出，等等。可选的，车载充电机控制回路3022一般可以是以数字信号处理器(Digital Signal Processor，DSP)为核心构成的控制回路，或者可以是以微处理器(Microcontroller Unit，MCU)为核心构成的控制回路，又或者可以是包括DSP和MCU两者的控制回路，等等，本申请对此不作具体限定。其中，DSP可以为由大规模或超大规模集成电路芯片组成的用来完成某种信号处理任务的处理器。其中，MCU又可以称为单片微型计算机(Single Chip Microcomputer)或者单片机，可以为不同的应用场合做不同的组合控制。诸如手机、个人计算机(personal computer，PC)***、遥控器，汽车电子、工业上的步进马达、机器手臂的控制，等等。可选的，该车载充电机电力电子变换回路3021可以包括多个开关器件(例如电力二极管、金属-氧化物半导体场效应晶体管和绝缘栅双极型晶体管，等等)。具体的，车载充电机控制回路3022可以输出控制信号(例如为脉冲控制信号)，控制该多个开关器件的导通和关断，也即控制该多个开关器件的导通时间。如此，可以控制车载充电机电力电子变换回路3021的转换效率，以及可以控制车载充电机电力电子变换回路3021输出的高压直流电的电压或者输出的交流电的电压等等，本申请实施例对此不作具体限定。Please refer to FIG. 3 , which is a schematic structural diagram of a vehicle-mounted power supply provided by an embodiment of the present application. As shown in FIG. 3 , the on-board charger 302 may include an on-board charger power electronic conversion circuit 3021 and an on-board charger control circuit 3022 . The on-board charger power electronic conversion circuit 3021 may generally include a power factor correction circuit, a rectifier circuit, an inverter circuit, a DC/DC conversion circuit, and the like. The on-board charger power electronic conversion circuit 3021 can convert the input alternating current (for example, 220VAC alternating current) into direct current (generally high-voltage direct current, such as 450V high-voltage direct current) for output, or, if the on-board charger 302 is bidirectional The on-board charger can also convert the input DC power to AC output, and so on. Optionally, the on-board charger control loop 3022 may generally be a control loop composed of a digital signal processor (Digital Signal Processor, DSP) as the core, or may be a control loop composed of a microprocessor (Microcontroller Unit, MCU) as the core. The loop, or may be a control loop including both the DSP and the MCU, etc., which is not specifically limited in this application. Among them, the DSP may be a processor composed of a large-scale or ultra-large-scale integrated circuit chip and used to complete a certain signal processing task. Among them, the MCU can also be called a single chip microcomputer (Single Chip Microcomputer) or a single chip, which can do different combined control for different applications. Such as mobile phones, personal computer (personal computer, PC) peripherals, remote controls, automotive electronics, industrial stepper motors, robotic arm control, and so on. Optionally, the on-board charger power electronic conversion circuit 3021 may include a plurality of switching devices (eg, power diodes, metal-oxide semiconductor field effect transistors, and insulated gate bipolar transistors, etc.). Specifically, the on-board charger control circuit 3022 can output a control signal (eg, a pulse control signal) to control the turn-on and turn-off of the plurality of switch devices, that is, to control the turn-on time of the plurality of switch devices. In this way, the conversion efficiency of the power electronic conversion circuit 3021 of the on-board charger can be controlled, and the voltage of the high-voltage direct current output by the power electronic conversion circuit 3021 of the on-board charger or the voltage of the output alternating current can be controlled, etc., which are not specifically described in the embodiments of the present application. limited.
如图3所示，车载DC/DC变换器303可以包括车载DC/DC变换器电力电子变换回路3031和车载DC/DC变换器控制回路3032。其中，车载DC/DC变换器电力电子变换回路3031可以包括降压变换电路，等等，可以将输入的高压直流电(例如为450V的高压直流电)转换为低压直流电(例如为12V的低压直流电)输出。其中，车载DC/DC变换器控制回路3032一般可以是以DSP为核心构成的控制回路，或者是以MCU为核心构成的控制回路，又或者是包括DSP和MCU两者的控制回路，等等，本申请对此不作具体限定。可选的，该车载DC/DC变换器电力电子变换回路3031可以包括多个开关器件(例如电力 二极管、金属-氧化物半导体场效应晶体管和绝缘栅双极型晶体管，等等)。具体的，车载DC/DC变换器控制回路3032可以输出控制信号(例如为脉冲控制信号)，控制该多个开关器件的导通和关断，也即控制该多个开关器件的导通时间等。如此，可以控制该车载DC/DC变换器电力电子变换回路3021的转换效率，以及可以控制车载充电机电力电子变换回路3021输出的低压直流电的电压等等，本申请实施例对此不作具体限定。As shown in FIG. 3 , the in-vehicle DC/DC converter 303 may include an in-vehicle DC/DC converter power electronic conversion circuit 3031 and an in-vehicle DC/DC converter control circuit 3032 . Wherein, the vehicle-mounted DC/DC converter power electronic conversion circuit 3031 may include a step-down conversion circuit, etc., which can convert the input high-voltage direct current (for example, 450V high-voltage direct current) into low-voltage direct current (for example, 12V low-voltage direct current) for output . Among them, the vehicle-mounted DC/DC converter control loop 3032 can generally be a control loop composed of a DSP as the core, or a control loop composed of an MCU as the core, or a control loop including both DSP and MCU, and so on. This application does not specifically limit this. Optionally, the on-board DC/DC converter power electronic conversion circuit 3031 may include a plurality of switching devices (such as power diodes, metal-oxide semiconductor field effect transistors, and insulated gate bipolar transistors, etc.). Specifically, the vehicle-mounted DC/DC converter control circuit 3032 can output a control signal (eg, a pulse control signal) to control the turn-on and turn-off of the plurality of switching devices, that is, to control the turn-on time of the plurality of switching devices, etc. . In this way, the conversion efficiency of the power electronic conversion circuit 3021 of the on-board DC/DC converter can be controlled, and the voltage of the low-voltage direct current output by the power electronic conversion circuit 3021 of the on-board charger can be controlled, etc., which are not specifically limited in the embodiments of the present application.
进一步的，如图3所示，车载充电机电力电子变换回路3021的输入端与交流充电口41连接，车载充电机电力电子变换回路3021的输出端与动力电池102的输入端连接。其中，该交流充电口41可以用于连接外界电网(例如可以为设置于路边或者车库内的充电桩)，接收外界电网的电能(一般为220VAC的交流电)，并将外界电网的电能输入至该车载充电机电力电子变换回路3021。如上所述，车载充电机电力电子变换回路3021可以在车载充电机控制回路3022的控制下将该外界电网的电能(例如为220VAC的交流电)转换为高压直流电(一般为250V至450V的高压直流电，比如250V、400V或者450V等)并输入至该动力电池102，实现对动力电池102进行充电，该动力电池102可以为新能源汽车提供行驶动力。Further, as shown in FIG. 3 , the input terminal of the power electronic conversion circuit 3021 of the vehicle charger is connected to the AC charging port 41 , and the output terminal of the power electronic conversion circuit 3021 of the vehicle charger is connected to the input terminal of the power battery 102 . The AC charging port 41 can be used to connect to an external power grid (for example, a charging pile set on the roadside or in a garage), to receive electrical energy from the external power grid (usually 220VAC alternating current), and to input the electrical power from the external power grid to the The on-board charger power electronic conversion circuit 3021. As mentioned above, the on-board charger power electronic conversion circuit 3021 can convert the electrical energy of the external grid (for example, 220VAC alternating current) into high-voltage direct current (generally 250V to 450V high-voltage direct current) under the control of the on-board charger control circuit 3022, Such as 250V, 400V or 450V, etc.) and input to the power battery 102 to realize the charging of the power battery 102, and the power battery 102 can provide driving power for the new energy vehicle.
进一步的，如图3所示，车载DC/DC变换器电力电子变换回路3031的输入端与动力电池的输出端连接，车载DC/DC变换器电力电子变换回路的输出端与低压蓄电池的输入端连接。如上所述，车载DC/DC变换器电力电子变换回路3031可以在车载DC/DC变换器控制回路3032的控制下接收动力电池102的高压直流电，将该动力电池102的高压直流电(比如450V的高压直流电)转换为低压直流电(比如12V的低压直流电)并输入至该低压蓄电池42，实现对低压蓄电池42进行充电。该低压蓄电池42可以用于给新能源汽车内的一个或多个用电设备供电，该一个或多个用电设备可以包括收音机、音响、车灯和雨刮器等辅助用电设备，等等，本申请实施例对此不作具体限定。Further, as shown in FIG. 3 , the input end of the power electronic conversion circuit 3031 of the on-board DC/DC converter is connected to the output end of the power battery, and the output end of the power electronic conversion circuit of the on-board DC/DC converter is connected with the input end of the low-voltage battery. connect. As mentioned above, the on-board DC/DC converter power electronic conversion circuit 3031 can receive the high-voltage direct current of the power battery 102 under the control of the on-board DC/DC converter control circuit 3032, and the high-voltage direct current of the power battery 102 (such as a high voltage of 450V) DC power) is converted into low-voltage DC power (such as 12V low-voltage DC power) and input to the low-voltage battery 42 to charge the low-voltage battery 42 . The low-voltage battery 42 can be used to supply power to one or more electrical devices in the new energy vehicle, and the one or more electrical devices can include auxiliary electrical devices such as radios, stereos, headlights, wipers, etc. This is not specifically limited in the application examples.
请参见图4，图4是本申请实施例提供的一种电加热器结构示意图。如图4所示，电加热器304可以包括电加热器控制回路3041、电加热器电力电子变换回路3042和发热元件3043。其中，电加热器电力电子变换回路3042和发热元件3043可以构成电加热器主回路。其中，电加热器控制回路3041可以是以DSP为核心构成的控制回路，或者是以MCU为核心构成的控制回路，又或者是包括DSP和MCU两者的控制回路，等等，此处不再进行赘述。其中，该发热元件3043可以是一个发热元件，也可以包括多个发热元件，比如可以包括一个或多个正温度系数热敏电阻(Positive Temperature Coefficient，PTC)，等等，本申请实施例对此不作具体限定。该电加热器304可以为液冷方式(加热介质为液态)的电加热器，也可以为风冷方式(加热介质为气态)的电加热器，也即电加热器主回路的工作方式可以为液冷和风冷中的任意一种，可以根据用户需求和制造成本选择液冷方式或者风冷方式，本申请实施例对此不作具体限定。其中，电加热器电力电子变换回路3042可以在电加热器控制回路3041的控制下接收动力电池102的高压直流电并将动力电池102的高压直流电通过发热元件3043转换为热能，从而可以迅速、持续、可靠地提升车内温度，以及使得动力电池102达到合适的温度，由此可以延长动力电池102的使用寿命，并提高动力电池102的性能，等等。Please refer to FIG. 4 , which is a schematic structural diagram of an electric heater provided by an embodiment of the present application. As shown in FIG. 4 , the electric heater 304 may include an electric heater control circuit 3041 , an electric heater power electronic conversion circuit 3042 and a heating element 3043 . Among them, the electric heater power electronic conversion circuit 3042 and the heating element 3043 can constitute the main circuit of the electric heater. Among them, the electric heater control loop 3041 may be a control loop composed of a DSP as the core, or a control loop composed of an MCU as the core, or a control loop including both DSP and MCU, etc. Repeat. Wherein, the heating element 3043 may be a heating element, or may include multiple heating elements, for example, may include one or more positive temperature coefficient thermistors (Positive Temperature Coefficient, PTC), etc., this embodiment of the present application There is no specific limitation. The electric heater 304 can be a liquid-cooled electric heater (the heating medium is liquid) or an air-cooled electric heater (the heating medium is gaseous), that is, the working mode of the main circuit of the electric heater can be For either liquid cooling or air cooling, a liquid cooling method or an air cooling method may be selected according to user requirements and manufacturing costs, which are not specifically limited in this embodiment of the present application. Among them, the electric heater power electronic conversion circuit 3042 can receive the high voltage direct current of the power battery 102 under the control of the electric heater control circuit 3041 and convert the high voltage direct current of the power battery 102 into heat energy through the heating element 3043, so that it can quickly, continuously, Reliably raising the temperature inside the vehicle and making the power battery 102 reach a suitable temperature, the service life of the power battery 102 can be prolonged, the performance of the power battery 102 can be improved, and so on.
请参见图5，图5是本申请实施例提供的一种电加热器的电路结构示意图。如图5所 示，该电加热器控制回路3041可以是以DSP为核心构成的控制回路。该电加热器电力电子变换回路3042可以包括多个开关器件，例如图5所示的绝缘栅双极型晶体管Q1、Q2、Q3和Q4，以及分别与其连接的电力二极管D1、D2、D3和D4。其中，Q1的基极与电加热器控制回路3041连接，Q1的发射极与D1的正极连接，Q1的集电极与D1的负极连接；Q2的基极与电加热器控制回路3041连接，Q2的发射极与D2的正极连接，Q2的集电极与D2的负极连接；Q3的发射极与D3的正极连接，Q3的集电极与D3的负极连接；Q4的发射极与D4的正极连接，Q4的集电极与D4的负极连接。其中，Q3的集电极与Q1的集电极连接，并一同与高压直流输入的正极连接，Q3的发射极与Q1的发射极连接，并一同与发热元件3043连接；Q4的发射极与Q2的发射极连接，并一同与高压直流输入的负极连接，Q4的集电极与Q2的集电极连接，并一同与发热元件3043连接。一般情况下，该电加热器电力电子变换回路3042的高压直流输入端可以与动力电池102的输出端连接，且如上所述，该电加热器电力电子变换回路3042的输出端可以与发热元件3043连接。如图5所示，具体的，电加热器控制回路3041可以输出控制信号(例如为图5所示的两路脉冲控制信号)，控制上述多个开关器件的导通和关断，从而可以控制电加热器电力电子变换回路3042的转换效率以及控制发热元件3043的发热温度，等等，本申请实施例对此不作具体限定。Please refer to FIG. 5 , which is a schematic diagram of a circuit structure of an electric heater provided by an embodiment of the present application. As shown in Figure 5, the electric heater control loop 3041 may be a control loop composed of DSP as the core. The electric heater power electronic conversion circuit 3042 may include a plurality of switching devices, such as insulated gate bipolar transistors Q1, Q2, Q3 and Q4 shown in FIG. 5, and power diodes D1, D2, D3 and D4 respectively connected thereto . Among them, the base of Q1 is connected to the electric heater control circuit 3041, the emitter of Q1 is connected to the positive electrode of D1, the collector of Q1 is connected to the negative electrode of D1; the base electrode of Q2 is connected to the electric heater control circuit 3041, the The emitter is connected to the positive pole of D2, the collector of Q2 is connected to the negative pole of D2; the emitter of Q3 is connected to the positive pole of D3, the collector of Q3 is connected to the negative pole of D3; the emitter of Q4 is connected to the positive pole of D4, the The collector is connected to the negative electrode of D4. Among them, the collector of Q3 is connected to the collector of Q1, and together with the positive pole of the high-voltage DC input, the emitter of Q3 is connected to the emitter of Q1, and is connected to the heating element 3043 together; the emitter of Q4 is connected to the emitter of Q2 The poles are connected together with the negative pole of the high voltage DC input, the collector of Q4 is connected with the collector of Q2, and together with the heating element 3043. In general, the high voltage DC input end of the electric heater power electronic conversion circuit 3042 can be connected to the output end of the power battery 102, and as described above, the output end of the electric heater power electronic conversion circuit 3042 can be connected to the heating element 3043 connect. As shown in FIG. 5 , specifically, the electric heater control loop 3041 can output a control signal (for example, the two-channel pulse control signal shown in FIG. 5 ) to control the on and off of the above-mentioned multiple switching devices, so as to control the The conversion efficiency of the electric heater power electronic conversion circuit 3042 and the heating temperature of the heating element 3043 are controlled, etc., which are not specifically limited in this embodiment of the present application.
如上所述，车载充电机302一般在新能源汽车停车时工作，以对新能源汽车进行充电；而新能源汽车一般在行驶时才需要加热功能，因此电加热器304一般在新能源汽车行驶时工作；此外，车载DC/DC变换器大部分情况下一般也在新能源汽车行驶时工作，以给新能源汽车内的收音机和音响等用电设备供电。由此，基于上述各个高压部件不同的工作时机，可以节省其中的部分控制回路，仅保留某一个控制回路，并通过该保留的控制回路实现在不同时间对各个高压部件的主回路的控制。As mentioned above, the on-board charger 302 generally works when the new energy vehicle is parked to charge the new energy vehicle; and the new energy vehicle generally only needs the heating function when it is driving, so the electric heater 304 is generally used when the new energy vehicle is driving. In addition, in most cases, the on-board DC/DC converter also works when the new energy vehicle is driving to supply power to the electrical equipment such as radio and audio in the new energy vehicle. Therefore, based on the different working timings of the above-mentioned high-voltage components, part of the control loops can be saved, only a certain control loop can be reserved, and the main loops of the high-voltage components can be controlled at different times through the reserved control loop.
请参见图6，图6是本申请实施例提供的一种高压控制装置示意图。如图6所示，该高压控制装置可以应用于新能源汽车，如上所述，该新能源汽车可以包括交流充电口41和动力电池102等等，此处不再进行赘述。如图6所示，显然，该高压控制装置采取节省电加热器控制回路3041的方式，可选地，其中的车载充电机主回路3020和电加热器主回路3040可以如图6所示进行集成，以进一步优化空间布置。如图6所示，具体的，该高压控制装置可以包括高压控制回路501(也即为前述的车载充电机控制回路3022)、车载充电机主回路3020和电加热器主回路3040。其中，该车载充电机主回路3020可以包括车载充电机电力电子变换回路3021，该电加热器主回路3040可以包括电加热器电力电子变换回路3042和发热元件3043。其中，高压控制回路501可以包括一个或多个DSP和/或一个或多个MCU，又或者还可以包括其他的控制器或者处理器，等等。其中，该高压控制回路501可以包括多个控制信号输出端，用于分别输出控制信号，例如，该高压控制回路501可以包括N个第一控制信号输出端和M个第二控制信号输出端，其中，N和M可以为大于或者等于1的整数。该多个控制信号输出端可以分别与车载充电机电力电子变换回路3021和电加热器电力电子变换回路3042内的多个开关器件连接，从而控制上述多个开关器件的导通和关断。例如，该N个第一控制信号输出端可以与车载充电机电力电子变换回路3021内的多个开关器件连接；该M个第二控制信号输出端可以与电加热器电力电子变换回路3042内的多个开关器件连接。如上所述，发热元件3043可以是一个发热元件，也可以由 多个发热元件组成，此处不再进行赘述。可选的，该电加热器主回路3040的工作方式可以是液冷方式和风冷方式中的任意一种，通常情况下，液冷方式的电路更加复杂，效果更好，成本更高，多用于高端的新能源汽车，此处不再进行赘述。Please refer to FIG. 6 , which is a schematic diagram of a high-voltage control device provided by an embodiment of the present application. As shown in FIG. 6 , the high-voltage control device may be applied to a new energy vehicle. As mentioned above, the new energy vehicle may include an AC charging port 41 and a power battery 102 and the like, which will not be repeated here. As shown in FIG. 6 , obviously, the high-voltage control device adopts the method of saving the electric heater control loop 3041 , and optionally, the main circuit 3020 of the on-board charger and the main circuit 3040 of the electric heater can be integrated as shown in FIG. 6 . , to further optimize the space layout. As shown in FIG. 6 , specifically, the high-voltage control device may include a high-voltage control loop 501 (ie, the aforementioned on-board charger control loop 3022 ), on-board charger main loop 3020 and electric heater main loop 3040 . The main circuit 3020 of the on-board charger may include a power electronic conversion circuit 3021 of the on-board charger, and the main circuit 3040 of the electric heater may include an electric heater power electronic conversion circuit 3042 and a heating element 3043 . The high-voltage control loop 501 may include one or more DSPs and/or one or more MCUs, or may also include other controllers or processors, and so on. Wherein, the high-voltage control loop 501 may include a plurality of control signal output terminals for outputting control signals respectively. For example, the high-voltage control loop 501 may include N first control signal output terminals and M second control signal output terminals, Wherein, N and M may be integers greater than or equal to 1. The multiple control signal output terminals can be respectively connected to multiple switching devices in the vehicle charger power electronic conversion circuit 3021 and the electric heater power electronic conversion circuit 3042, so as to control the on and off of the above multiple switching devices. For example, the N first control signal output terminals can be connected to a plurality of switching devices in the power electronic conversion circuit 3021 of the on-board charger; the M second control signal output terminals can be connected to the electric heater power electronic conversion circuit 3042. Multiple switching devices are connected. As mentioned above, the heating element 3043 may be one heating element, or may be composed of multiple heating elements, which will not be repeated here. Optionally, the working mode of the main circuit 3040 of the electric heater can be any one of the liquid cooling mode and the air cooling mode. Generally, the circuit of the liquid cooling mode is more complicated, the effect is better, the cost is higher, and the multi-purpose For high-end new energy vehicles, it will not be repeated here.
请参阅图7，图7是本申请实施例提供的一种应用场景示意图。如图7所示，高压控制回路501，可以用于在新能源汽车处于停车状态时控制车载充电机主回路3020。具体的，可以通过该N个第一控制信号输出端输出的多个控制信号控制车载充电机电力电子变换回路3021中的多个开关器件的导通和关断，从而使得车载充电机电力电子变换回路3021在高压控制回路501的控制下接收充电桩60(也即外界电网)的电能，并将外界电网的电能(例如为220VAC的交流电)转换为高压直流电(例如为450V的高压直流电)输入至动力电池102。实现给动力电池102进行充电，从而为新能源汽车提供行驶动力。Please refer to FIG. 7. FIG. 7 is a schematic diagram of an application scenario provided by an embodiment of the present application. As shown in FIG. 7 , the high-voltage control circuit 501 can be used to control the main circuit 3020 of the on-board charger when the new energy vehicle is in a parked state. Specifically, multiple control signals output from the N first control signal output terminals can be used to control the on and off of multiple switching devices in the power electronic conversion circuit 3021 of the on-board charger, so that the power electronic conversion of the on-board charger is enabled. The loop 3021 receives the electric energy of the charging pile 60 (that is, the external power grid) under the control of the high-voltage control loop 501, and converts the electric power of the external power grid (for example, 220VAC alternating current) into high-voltage direct current (for example, 450V high-voltage direct current), which is input to the power grid. Power battery 102 . The power battery 102 can be charged to provide driving power for the new energy vehicle.
请参阅图8，图8是本申请实施例提供的另一种应用场景示意图。如图8所示，高压控制回路501，还可以用于在新能源汽车处于行驶状态时控制电加热器主回路3040。具体的，可以通过该M个第二控制信号输出端输出的多个控制信号控制电加热器电力电子变换回路3042中的多个开关器件的导通和关断，从而使得电加热器电力电子变换回路3042在高压控制回路501的控制下接收动力电池102的高压直流电，并将动力电池102的高压直流电通过该发热元件3043转换为热能。从而可以迅速、持续、可靠地提升车内温度，以及使得动力电池102达到合适的温度，由此可以延长动力电池102的使用寿命，并提高动力电池102的性能，等等。Please refer to FIG. 8. FIG. 8 is a schematic diagram of another application scenario provided by an embodiment of the present application. As shown in FIG. 8 , the high-voltage control circuit 501 can also be used to control the electric heater main circuit 3040 when the new energy vehicle is in a driving state. Specifically, the multiple control signals output by the M second control signal output terminals can be used to control the on and off of multiple switching devices in the electric heater power electronic conversion circuit 3042, so that the electric heater power electronic conversion is made. The circuit 3042 receives the high voltage direct current of the power battery 102 under the control of the high voltage control circuit 501 , and converts the high voltage direct current of the power battery 102 into heat energy through the heating element 3043 . Therefore, the temperature inside the vehicle can be raised rapidly, continuously and reliably, and the power battery 102 can reach a suitable temperature, thereby prolonging the service life of the power battery 102 and improving the performance of the power battery 102, and so on.
需要说明的是，上述第一和第二控制信号输出端仅仅为了区别高压控制回路501在停车状态和行驶状态下执行控制时所针对的不同的控制对象，不能构成对控制信号输出端的具体限定。例如，第一控制信号输出端与第二控制信号输出端可以为同一个控制信号输出端，只是用于不同状态下对不同部件的控制。又例如，上述N个第一控制信号输出端也可以与电加热器电力电子变换回路3042中的多个开关器件连接，用于控制电加热器电力电子变换回路3042；又例如，上述M个第二控制信号输出端也可以与车载DC/DC变换器电力电子变换回路3031中的多个开关器件连接，用于控制车载DC/DC变换器电力电子变换回路3031。在一些可能的实施方式中，例如，在新能源汽车处于停车状态时，也即未使用到电加热器功能时，上述M个第二控制信号输出端中的部分或者全部输出端，可以通过切换开关与电加热器电力电子变换回路3042中的多个开关器件断开连接，而与车载充电机电力电子变换回路3021中的多个开关器件连接。因此，上述第二控制信号输出端也可以用来控制车载充电机电力电子变换回路3021中的多个开关器件的导通和关断，等等，本申请实施例对此不作具体限定。It should be noted that the above-mentioned first and second control signal output terminals are only to distinguish different control objects for the high-voltage control loop 501 to perform control in the parking state and the driving state, and cannot constitute a specific limitation on the control signal output terminal. For example, the first control signal output end and the second control signal output end may be the same control signal output end, and are only used for controlling different components in different states. For another example, the above N first control signal output terminals may also be connected to a plurality of switching devices in the electric heater power electronic conversion circuit 3042 for controlling the electric heater power electronic conversion circuit 3042; The second control signal output terminal can also be connected to a plurality of switching devices in the vehicle-mounted DC/DC converter power electronic conversion circuit 3031 for controlling the vehicle-mounted DC/DC converter power electronic conversion circuit 3031 . In some possible implementations, for example, when the new energy vehicle is in a parked state, that is, when the electric heater function is not used, some or all of the above-mentioned M second control signal output ends can be switched by switching The switch is disconnected from the plurality of switching devices in the electric heater power electronic conversion circuit 3042 and connected with the plurality of switching devices in the on-board charger power electronic conversion circuit 3021 . Therefore, the above-mentioned second control signal output terminal can also be used to control the turn-on and turn-off of multiple switching devices in the power electronic conversion circuit 3021 of the vehicle-mounted charger, etc., which are not specifically limited in the embodiments of the present application.
由此，可以通过一个高压控制回路501，也即通过共用一个车载充电机控制回路3022，基于错峰控制，实现在停车状态下和行驶状态下对车载充电机电力电子变换回路3021和电加热器电力电子变换回路3042的分别控制。如此，直接节省了电加热器控制回路3041，大大减少了原有的电力电子零部件(例如在控制回路未集成前，一般需要两个DSP分别控制车载充电机电力电子变换回路3021和电加热器电力电子变换回路3042，而在控制回路简化后，可以仅设置一个DSP)，优化了空间布置，有效降低了成本。Therefore, through a high-voltage control circuit 501, that is, by sharing an on-board charger control circuit 3022, based on the peak shift control, the on-board charger power electronic conversion circuit 3021 and the electric heater can be realized in the parking state and the driving state. Separate control of the power electronic conversion circuit 3042. In this way, the electric heater control loop 3041 is directly saved, and the original power electronic components are greatly reduced (for example, before the control loop is not integrated, two DSPs are generally required to control the on-board charger power electronic conversion loop 3021 and the electric heater respectively. The power electronic conversion circuit 3042, and after the control circuit is simplified, only one DSP can be provided), which optimizes the space layout and effectively reduces the cost.
请参见图9，图9是本申请实施例提供的另一种高压控制装置示意图。该高压控制装置可以应用于上述的新能源汽车，此处不再进行赘述。如图9所示，显然，该高压控制装置采取节省车载充电机控制回路3022的方式，可选地，其中的车载充电机主回路3020和电加热器主回路3040可以如图9所示进行集成，以进一步优化空间布置。如图9所示，具体的，该高压控制装置可以包括高压控制回路502(也即为前述的电加热器控制回路3041)、车载充电机主回路3020和电加热器主回路3040。其中，该车载充电机主回路3020可以包括车载充电机电力电子变换回路3021，该电加热器主回路3040可以包括电加热器电力电子变换回路3042和发热元件3043。其中，图9所示方案的具体实现细节可参考上述图6对应的实施例，此处不再进行赘述。Referring to FIG. 9 , FIG. 9 is a schematic diagram of another high-voltage control device provided by an embodiment of the present application. The high-voltage control device can be applied to the above-mentioned new energy vehicles, which will not be repeated here. As shown in FIG. 9 , obviously, the high-voltage control device adopts the method of saving the control circuit 3022 of the on-board charger. Optionally, the main circuit 3020 of the on-board charger and the main circuit 3040 of the electric heater can be integrated as shown in FIG. 9 . , to further optimize the space layout. As shown in FIG. 9 , specifically, the high-voltage control device may include a high-voltage control circuit 502 (ie, the aforementioned electric heater control circuit 3041 ), a main circuit 3020 of an on-board charger and a main circuit 3040 of an electric heater. The main circuit 3020 of the on-board charger may include a power electronic conversion circuit 3021 of the on-board charger, and the main circuit 3040 of the electric heater may include an electric heater power electronic conversion circuit 3042 and a heating element 3043 . The specific implementation details of the solution shown in FIG. 9 may refer to the above-mentioned embodiment corresponding to FIG. 6 , which will not be repeated here.
由此，可以通过一个高压控制回路502，也即通过共用一个电加热器控制回路3041，基于错峰控制，实现在停车状态下和行驶状态下对车载充电机电力电子变换回路3021和电加热器电力电子变换回路3042的分别控制。如此，直接节省了车载充电机控制回路3022，大大减少了原有的电力电子零部件，优化了空间布置，有效降低了成本。Therefore, through a high-voltage control loop 502, that is, by sharing a single electric heater control loop 3041, based on peak shift control, the power electronic conversion loop 3021 of the on-board charger and the electric heater can be realized in the parking state and the driving state. Separate control of the power electronic conversion circuit 3042. In this way, the on-board charger control circuit 3022 is directly saved, the original power electronic components are greatly reduced, the space arrangement is optimized, and the cost is effectively reduced.
请参见图10，图10是本申请实施例提供的又一种高压控制装置示意图。该高压控制装置可以应用于上述的新能源汽车，此处不再进行赘述。如图10所示，显然，该高压控制装置采取节省车载DC/DC变换器控制回路3032的方式，可选地，其中的车载充电机主回路3020和车载DC/DC变换器主回路3030可以如图10所示进行集成，以进一步优化空间布置。如图10所示，具体的，该高压控制装置可以包括高压控制回路503(也即为前述的车载充电机控制回路3022)、车载充电机主回路3020和车载DC/DC变换器主回路3030。其中，该车载充电机主回路3020可以包括车载充电机电力电子变换回路3021，该车载DC/DC变换器主回路3030可以包括车载DC/DC变换器电力电子变换回路3031。其中，该高压控制回路503可以包括多个控制信号输出端，用于分别输出控制信号，例如，该高压控制回路503可以包括X个第一控制信号输出端和Y个第二控制信号输出端，其中，X和Y可以为大于或者等于1的整数。该多个控制信号输出端可以分别与车载充电机电力电子变换回路3021和车载DC/DC变换器电力电子变换回路3031内的多个开关器件连接，从而控制上述多个开关器件的导通和关断。例如，该X个第一控制信号输出端可以与车载充电机电力电子变换回路3021内的多个开关器件连接；该Y个第二控制信号输出端可以与车载DC/DC变换器电力电子变换回路3031内的多个开关器件连接。Referring to FIG. 10 , FIG. 10 is a schematic diagram of another high-voltage control device provided by an embodiment of the present application. The high-voltage control device can be applied to the above-mentioned new energy vehicles, which will not be repeated here. As shown in FIG. 10 , obviously, the high-voltage control device adopts a way of saving the vehicle-mounted DC/DC converter control circuit 3032, optionally, the vehicle-mounted charger main circuit 3020 and the vehicle-mounted DC/DC converter main circuit 3030 can be as follows Integrate as shown in Figure 10 to further optimize the spatial arrangement. As shown in FIG. 10 , specifically, the high-voltage control device may include a high-voltage control loop 503 (that is, the aforementioned on-board charger control loop 3022 ), on-board charger main loop 3020 and on-board DC/DC converter main loop 3030 . Wherein, the main circuit 3020 of the vehicle-mounted charger may include the power electronic conversion circuit 3021 of the vehicle-mounted charger, and the main circuit 3030 of the vehicle-mounted DC/DC converter may include the power electronic conversion circuit 3031 of the vehicle-mounted DC/DC converter. The high-voltage control loop 503 may include a plurality of control signal output terminals for outputting control signals respectively. For example, the high-voltage control loop 503 may include X first control signal output terminals and Y second control signal output terminals, Wherein, X and Y may be integers greater than or equal to 1. The plurality of control signal output terminals can be respectively connected to a plurality of switching devices in the on-board charger power electronic conversion circuit 3021 and the on-board DC/DC converter power electronic conversion circuit 3031, so as to control the on and off of the above-mentioned plurality of switching devices. break. For example, the X first control signal output terminals may be connected to a plurality of switching devices in the power electronic conversion circuit 3021 of the vehicle charger; the Y second control signal output terminals may be connected to the power electronic conversion circuit of the vehicle DC/DC converter Multiple switching devices within 3031 are connected.
可选的，高压控制回路503，可以用于在新能源汽车处于停车状态时控制车载充电机主回路3020。具体的，可以通过该X个第一控制信号输出端输出的多个控制信号控制车载充电机电力电子变换回路3021中的多个开关器件的导通和关断，从而使得车载充电机电力电子变换回路3021在高压控制回路503的控制下接收外界电网的电能，并将外界电网的电能转换为高压直流电输入至动力电池102。实现给动力电池102进行充电，从而为新能源汽车提供行驶动力。Optionally, the high-voltage control circuit 503 can be used to control the main circuit 3020 of the on-board charger when the new energy vehicle is in a parked state. Specifically, multiple control signals output from the X first control signal output terminals can be used to control the on and off of multiple switching devices in the power electronic conversion circuit 3021 of the on-board charger, so that the power electronic conversion of the on-board charger is made. The loop 3021 receives electrical energy from the external power grid under the control of the high-voltage control loop 503 , and converts the electrical power from the external power grid into high-voltage direct current, which is input to the power battery 102 . The power battery 102 can be charged to provide driving power for the new energy vehicle.
可选的，高压控制回路503，还可以用于在新能源汽车处于行驶状态时控制车载DC/DC变换器主回路3030。具体的，可以通过该Y个第二控制信号输出端输出的多个控制信号控制车载DC/DC变换器电力电子变换回路3031中的多个开关器件的导通和关断，从而使得 车载DC/DC变换器电力电子变换回路3031在高压控制回路503的控制下接收动力电池102的高压直流电，并将动力电池102的高压直流电(例如为450V的高压直流电)转换为低压直流电(例如为12V的低压直流电)输入至低压蓄电池42。实现给低压蓄电池42进行充电，从而为新能源汽车内的一个或多个用电设备供电。Optionally, the high-voltage control circuit 503 can also be used to control the main circuit 3030 of the vehicle-mounted DC/DC converter when the new energy vehicle is in a driving state. Specifically, multiple control signals output from the Y second control signal output terminals can be used to control the on and off of multiple switching devices in the power electronic conversion circuit 3031 of the on-board DC/DC converter, so that the on-board DC/DC converter can be turned on and off. The DC converter power electronic conversion circuit 3031 receives the high-voltage direct current of the power battery 102 under the control of the high-voltage control circuit 503, and converts the high-voltage direct current of the power battery 102 (for example, a high-voltage direct current of 450V) into a low-voltage direct current (such as a low-voltage of 12V). DC power) is input to the low-voltage battery 42 . The low-voltage battery 42 can be charged to supply power to one or more electrical devices in the new energy vehicle.
由此，可以通过一个高压控制回路503，也即通过共用一个车载充电机控制回路3022，基于错峰控制，实现在停车状态下和行驶状态下对车载充电机电力电子变换回路3021和车载DC/DC变换器电力电子变换回路3031的分别控制。如此，直接节省了车载DC/DC变换器控制回路3032，大大减少了原有的电力电子零部件，优化了空间布置，有效降低了成本。Therefore, through a high-voltage control circuit 503, that is, by sharing a vehicle-mounted charger control circuit 3022, based on the peak shift control, the power electronic conversion circuit 3021 of the vehicle-mounted charger and the vehicle-mounted DC/DC/DC/DC/DC/DC/DC/DC/DC charger circuits can be converted into the vehicle-mounted charger power electronic conversion circuit 3021 and the vehicle-mounted DC / Separate control of the DC converter power electronic conversion circuit 3031. In this way, the on-board DC/DC converter control circuit 3032 is directly saved, the original power electronic components are greatly reduced, the space arrangement is optimized, and the cost is effectively reduced.
请参见图11，图11是本申请实施例提供的又一种高压控制装置示意图。该高压控制装置可以应用于上述的新能源汽车，此处不再进行赘述。如图11所示，显然，该高压控制装置采取节省车载充电机控制回路3022的方式，可选地，其中的车载充电机主回路3020和车载DC/DC变换器主回路3030可以如图11所示进行集成，以进一步优化空间布置。如图9所示，具体的，该高压控制装置可以包括高压控制回路504(也即为前述的车载DC/DC变换器控制回路3032)、车载充电机主回路3020和车载DC/DC变换器主回路3030。其中，图11所示方案的具体实现细节可参考上述图10对应的实施例，此处不再进行赘述。Referring to FIG. 11 , FIG. 11 is a schematic diagram of another high-voltage control device provided by an embodiment of the present application. The high-voltage control device can be applied to the above-mentioned new energy vehicles, which will not be repeated here. As shown in FIG. 11 , obviously, the high-voltage control device adopts a way of saving the vehicle charger control circuit 3022 . Optionally, the vehicle charger main circuit 3020 and the vehicle DC/DC converter main circuit 3030 can be as shown in FIG. 11 . to further optimize the spatial arrangement. As shown in FIG. 9 , specifically, the high-voltage control device may include a high-voltage control circuit 504 (that is, the aforementioned vehicle-mounted DC/DC converter control circuit 3032 ), a vehicle-mounted charger main circuit 3020 and a vehicle-mounted DC/DC converter main circuit 3020 . Loop 3030. The specific implementation details of the solution shown in FIG. 11 may refer to the embodiment corresponding to the foregoing FIG. 10 , which will not be repeated here.
由此，可以通过一个高压控制回路504，也即通过共用一个车载DC/DC变换器控制回路3032，基于错峰控制，实现在停车状态下和行驶状态下对车载充电机电力电子变换回路3021和车载DC/DC变换器电力电子变换回路3031的分别控制。如此，直接节省了车载充电机控制回路3022，大大减少了原有的电力电子零部件，优化了空间布置，有效降低了成本。Therefore, through a high-voltage control circuit 504, that is, by sharing an on-board DC/DC converter control circuit 3032, based on the peak shift control, the on-board charger power electronic conversion circuit 3021 and Separate control of vehicle-mounted DC/DC converter power electronic conversion circuit 3031. In this way, the on-board charger control circuit 3022 is directly saved, the original power electronic components are greatly reduced, the space arrangement is optimized, and the cost is effectively reduced.
请参见图12，图12是本申请实施例提供的又一种高压控制装置示意图。该高压控制装置可以应用于上述的新能源汽车，此处不再进行赘述。如图12所示，显然，该高压控制装置采取将车载充电机控制回路3022和车载DC/DC变换器控制回路3032进行集成，并节省电加热器控制回路3041的方式，可选地，其中的车载充电机主回路3020、车载DC/DC变换器主回路3030和电加热器主回路3040可以如图12所示进行集成，以进一步优化空间布置。如图12所示，该高压控制装置可以包括高压控制回路505(也即将前述车载充电机控制回路3022和车载DC/DC变换器控制回路3032进行集成后得到的控制回路)，以及车载充电机电力电子变换回路3021、车载DC/DC变换器电力电子变换回路3031和电加热器主回路3040。其中，该电加热器主回路3040可以包括电加热器电力电子变换回路3042和发热元件3043。此处不再进行赘述。可选的，该集成控制回路505也可以包括多个控制信号输出端，例如可以包括K个第一控制信号输出端、T个第二控制信号输出端和S个第三控制信号输出端，其中，K、T和S可以为大于或者等于1的整数。该多个控制信号输出端可以分别与车载充电机电力电子变换回路3021、车载DC/DC变换器电力电子变换回路3031和电加热器电力电子变换回路3042内的多个开关器件连接，从而控制上述多个开关器件的导通和关断。例如，该K个第一控制信号输出端可以与车载充电机电力电子变换回路3021内的多个开关器件连接；该T个第二控制信号输出端可以与车载DC/DC变换器电 力电子变换回路3031内的多个开关器件连接；该S个第三控制信号输出端可以与电加热器电力电子变换回路3042内的多个开关器件连接，此处不再进行赘述。Referring to FIG. 12 , FIG. 12 is a schematic diagram of another high-voltage control device provided by an embodiment of the present application. The high-voltage control device can be applied to the above-mentioned new energy vehicles, which will not be repeated here. As shown in FIG. 12 , obviously, the high-voltage control device adopts the method of integrating the vehicle-mounted charger control circuit 3022 and the vehicle-mounted DC/DC converter control circuit 3032, and saves the electric heater control circuit 3041. The main circuit 3020 of the on-board charger, the main circuit 3030 of the on-board DC/DC converter, and the main circuit 3040 of the electric heater can be integrated as shown in FIG. 12 to further optimize the space arrangement. As shown in FIG. 12 , the high-voltage control device may include a high-voltage control loop 505 (that is, a control loop obtained by integrating the aforementioned on-board charger control loop 3022 and on-board DC/DC converter control loop 3032 ), and on-board charger power Electronic conversion circuit 3021, vehicle-mounted DC/DC converter power electronic conversion circuit 3031 and electric heater main circuit 3040. Wherein, the electric heater main circuit 3040 may include an electric heater power electronic conversion circuit 3042 and a heating element 3043 . No further description is given here. Optionally, the integrated control loop 505 may also include multiple control signal output ends, for example, may include K first control signal output ends, T second control signal output ends, and S third control signal output ends, wherein , K, T and S can be integers greater than or equal to 1. The plurality of control signal output terminals can be respectively connected with a plurality of switching devices in the power electronic conversion circuit 3021 of the vehicle charger, the power electronic conversion circuit 3031 of the vehicle DC/DC converter, and the power electronic conversion circuit 3042 of the electric heater, so as to control the above Turn-on and turn-off of multiple switching devices. For example, the K first control signal output terminals may be connected to a plurality of switching devices in the power electronic conversion circuit 3021 of the vehicle charger; the T second control signal output terminals may be connected to the power electronic conversion circuit of the vehicle DC/DC converter 3031 are connected to a plurality of switching devices; the S third control signal output terminals can be connected to a plurality of switching devices in the electric heater power electronic conversion circuit 3042, which will not be repeated here.
可选的，高压控制回路505，可以用于在新能源汽车处于停车状态时控制车载充电机主回路3020。具体的，可以通过该K个第一控制信号输出端输出的多个控制信号控制车载充电机电力电子变换回路3021中的多个开关器件的导通和关断，从而使得车载充电机电力电子变换回路3021在高压控制回路505的控制下接收外界电网的电能，并将外界电网的电能转换为高压直流电输入至动力电池102。实现给动力电池102进行充电，从而为新能源汽车提供行驶动力。Optionally, the high-voltage control circuit 505 can be used to control the main circuit 3020 of the on-board charger when the new energy vehicle is in a parked state. Specifically, multiple control signals output by the K first control signal output terminals can be used to control the on and off of multiple switching devices in the power electronic conversion circuit 3021 of the on-board charger, so that the power electronic conversion of the on-board charger can be achieved. The loop 3021 receives the electric power of the external power grid under the control of the high-voltage control loop 505 , and converts the power of the external power grid into high-voltage direct current, which is input to the power battery 102 . The power battery 102 can be charged to provide driving power for the new energy vehicle.
可选的，高压控制回路505，还可以用于在新能源汽车处于行驶状态时控制电加热器主回路3040。具体的，可以通过该T个第二控制信号输出端输出的多个控制信号控制电加热器电力电子变换回路3042中的多个开关器件的导通和关断，从而使得电加热器电力电子变换回路3042在高压控制回路505的控制下接收动力电池102的高压直流电，并将动力电池102的高压直流电通过该发热元件3043转换为热能。从而可以迅速、持续、可靠地提升车内温度，以及使得动力电池102达到合适的温度，由此可以延长动力电池102的使用寿命，并提高动力电池102的性能，等等。Optionally, the high-voltage control loop 505 can also be used to control the electric heater main loop 3040 when the new energy vehicle is in a driving state. Specifically, the multiple control signals output by the T second control signal output terminals can be used to control the on and off of multiple switching devices in the electric heater power electronic conversion circuit 3042, so as to make the electric heater power electronic conversion The circuit 3042 receives the high voltage direct current of the power battery 102 under the control of the high voltage control circuit 505 , and converts the high voltage direct current of the power battery 102 into heat energy through the heating element 3043 . Therefore, the temperature inside the vehicle can be raised rapidly, continuously and reliably, and the power battery 102 can reach a suitable temperature, thereby prolonging the service life of the power battery 102 and improving the performance of the power battery 102, and so on.
可选的，高压控制回路505，还可以用于在新能源汽车处于行驶状态时控制车载DC/DC变换器主回路3030。具体的，可以通过该S个第三控制信号输出端输出的多个控制信号控制车载DC/DC变换器电力电子变换回路3031中的多个开关器件的导通和关断，从而使得车载DC/DC变换器电力电子变换回路3031在高压控制回路505的控制下接收动力电池102的高压直流电，并将动力电池102的高压直流电转换为低压直流电输入至低压蓄电池42。实现给低压蓄电池42进行充电，从而为新能源汽车内的一个或多个用电设备供电。Optionally, the high-voltage control circuit 505 can also be used to control the main circuit 3030 of the on-board DC/DC converter when the new energy vehicle is in a driving state. Specifically, multiple control signals output from the S third control signal output terminals can be used to control the on and off of multiple switching devices in the power electronic conversion circuit 3031 of the on-board DC/DC converter, so that the on-board DC/DC converter can be turned on and off. The DC converter power electronic conversion circuit 3031 receives the high voltage direct current of the power battery 102 under the control of the high voltage control circuit 505 , and converts the high voltage direct current of the power battery 102 into low voltage direct current and inputs it to the low voltage battery 42 . The low-voltage battery 42 can be charged to supply power to one or more electrical devices in the new energy vehicle.
在一些可能的实施方式中，高压控制回路505，还可以用于在新能源汽车处于停车状态时控制车载DC/DC变换器主回路3030，等等，本申请实施例对此不作具体限定。In some possible implementations, the high-voltage control circuit 505 may also be used to control the main circuit 3030 of the on-board DC/DC converter when the new energy vehicle is in a parked state, etc., which are not specifically limited in the embodiments of the present application.
由此，可以通过一个高压控制回路505，也即通过共用一个车载充电机控制回路3022和车载DC/DC变换器控制回路3032集成后的控制回路，基于错峰控制，实现在停车状态下和行驶状态下对车载充电机电力电子变换回路3021、车载DC/DC变换器电力电子变换回路3031以及电加热器电力电子变换回路3042的分别控制。如此，不仅进一步集成了车载充电机控制回路3022和车载DC/DC变换器控制回路3032，而且直接节省了电加热器控制回路3041，极大程度上减少了原有的电力电子零部件，优化了空间布置，有效降低了整车的制造成本。Therefore, through a high-voltage control loop 505, that is, by sharing a control loop integrated with the on-board charger control loop 3022 and the on-board DC/DC converter control loop 3032, based on the peak shift control, it is possible to realize the operation in the parking state and driving. The power electronic conversion circuit 3021 of the on-board charger, the power electronic conversion circuit 3031 of the on-board DC/DC converter, and the power electronic conversion circuit 3042 of the electric heater are controlled separately in the state. In this way, not only the on-board charger control circuit 3022 and the on-board DC/DC converter control circuit 3032 are further integrated, but also the electric heater control circuit 3041 is directly saved, which greatly reduces the original power electronic components and optimizes the The space layout effectively reduces the manufacturing cost of the whole vehicle.
需要说明的是，如上所述，图12对应的实施例中涉及的第一、第二和第三控制信号输出端也仅仅是为了区别高压控制回路505在停车状态和行驶状态下执行控制时所针对的不同的控制对象，不能构成对控制信号输出端的具体限定，此处不再进行赘述。It should be noted that, as mentioned above, the first, second and third control signal output terminals involved in the embodiment corresponding to FIG. 12 are only used to distinguish the high-voltage control loop 505 when it executes control in the parking state and the driving state. The different control objects targeted cannot constitute a specific limitation on the output end of the control signal, which will not be repeated here.
需要说明的是，本申请在不同附图中所述的车载充电机电力电子变换回路3021、车载DC/DC变换器电力电子变换回路3031、电加热器电力电子变换回路3042和发热元件3043，等等，其具体的电路结构和元器件选择可以存在不同，本申请实施例对此不作具体限定。It should be noted that the on-board charger power electronic conversion circuit 3021, the on-board DC/DC converter power electronic conversion circuit 3031, the electric heater power electronic conversion circuit 3042 and the heating element 3043 described in different drawings in this application, etc. etc., the specific circuit structure and component selection may be different, which are not specifically limited in the embodiments of the present application.
综上所述，以上实施例仅用以说明本申请的技术方案，而非对其限制；尽管参照前述 实施例对本申请进行了详细的说明，本邻域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本申请各实施例技术方案的精神和范围。To sum up, the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the field should understand that: it can still be The technical solutions described in the foregoing embodiments are modified, or some technical features thereof are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions in the embodiments of the present application.

Claims (10)

  1. 一种高压控制装置，应用于新能源汽车，所述新能源汽车包括动力电池，其特征在于，所述高压控制装置包括高压控制回路、车载充电机电力电子变换回路和电加热器主回路；所述电加热器主回路包括电加热器电力电子变换回路和一个或多个发热元件；所述高压控制回路为车载充电机控制回路；A high-voltage control device is applied to a new energy vehicle, wherein the new energy vehicle includes a power battery, wherein the high-voltage control device includes a high-voltage control circuit, an on-board charger power electronic conversion circuit and an electric heater main circuit; The main circuit of the electric heater includes an electric heater power electronic conversion circuit and one or more heating elements; the high-voltage control circuit is a vehicle-mounted charger control circuit;
    当所述新能源汽车处于停车状态时，所述高压控制回路，用于控制所述车载充电机电力电子变换回路接收外界电网的电能，并将所述外界电网的电能转换为高压直流电输入至所述动力电池；When the new energy vehicle is in a parking state, the high-voltage control circuit is used to control the power electronic conversion circuit of the on-board charger to receive the electric energy of the external power grid, and convert the electric energy of the external power grid into high-voltage direct current and input it to the external power grid. the power battery;
    当所述新能源汽车处于行驶状态时，所述高压控制回路，还用于控制所述电加热器电力电子变换回路接收所述动力电池的高压直流电，并将所述动力电池的高压直流电通过所述一个或多个发热元件转换为热能。When the new energy vehicle is in a driving state, the high-voltage control circuit is also used to control the electric heater power electronic conversion circuit to receive the high-voltage direct current of the power battery, and pass the high-voltage direct current of the power battery through the power battery. The one or more heating elements are converted into thermal energy.
  2. 根据权利要求1所述的高压控制装置，其特征在于，所述高压控制回路包括N个第一控制信号输出端和M个第二控制信号输出端；N、M为大于或者等于1的整数。The high-voltage control device according to claim 1, wherein the high-voltage control loop comprises N first control signal output terminals and M second control signal output terminals; N and M are integers greater than or equal to 1.
  3. 根据权利要求2所述的高压控制装置，所述新能源汽车还包括交流充电口，其特征在于，所述车载充电机电力电子变换回路的输入端与所述交流充电口连接，所述车载充电机电力电子变换回路的输出端与所述动力电池的输入端连接；所述车载充电机电力电子变换回路包括多个开关器件，所述车载充电机电力电子变换回路内的多个开关器件分别与所述N个第一控制信号输出端连接。The high-voltage control device according to claim 2, wherein the new energy vehicle further comprises an AC charging port, wherein the input end of the power electronic conversion circuit of the on-board charger is connected to the AC charging port, and the on-board charging The output end of the electromechanical power electronic conversion circuit is connected to the input end of the power battery; the power electronic conversion circuit of the on-board charger includes a plurality of switching devices, and the plurality of switching devices in the power electronic conversion circuit of the on-board charger are respectively connected with The N first control signal output ends are connected.
  4. 根据权利要求3所述的高压控制装置，其特征在于，所述电加热器电力电子变换回路的输入端与所述动力电池的输出端连接，所述电加热器电力电子变换回路的输出端与所述一个或多个发热元件连接；所述电加热器电力电子变换回路包括多个开关器件，所述电加热器电力电子变换回路内的多个开关器件分别与所述M个第二控制信号输出端连接。The high-voltage control device according to claim 3, wherein the input end of the electric heater power electronic conversion circuit is connected to the output end of the power battery, and the output end of the electric heater power electronic conversion circuit is connected to the output end of the power battery. The one or more heating elements are connected; the electric heater power electronic conversion circuit includes a plurality of switching devices, and the plurality of switching devices in the electric heater power electronic conversion circuit are respectively connected with the M second control signals output connection.
  5. 根据权利要求4所述的高压控制装置，其特征在于，The high-voltage control device according to claim 4, wherein:
    当所述新能源汽车处于停车状态时，所述高压控制回路，具体用于通过所述N个第一控制信号输出端输出多个控制信号，控制所述车载充电机电力电子变换回路内的多个开关器件的导通和关断；When the new energy vehicle is in a parked state, the high-voltage control circuit is specifically configured to output a plurality of control signals through the N first control signal output terminals to control the multiple control signals in the power electronic conversion circuit of the on-board charger. turn-on and turn-off of a switching device;
    当所述新能源汽车处于行驶状态时，所述高压控制回路，具体用于通过所述M个第二控制信号输出端输出多个控制信号，控制所述电加热器电力电子变换回路内的多个开关器件的导通和关断。When the new energy vehicle is in a driving state, the high-voltage control loop is specifically configured to output a plurality of control signals through the M second control signal output terminals, to control the multiple control signals in the electric heater power electronic conversion loop. turn-on and turn-off of a switching device.
  6. 根据权利要求4所述的高压控制装置，其特征在于，所述电加热器主回路包括液冷和风冷两种工作方式中的任意一种；所述高压控制回路包括一个或多个微处理器MCU和/或一个或多个数字信号处理器DSP。The high-voltage control device according to claim 4, wherein the main circuit of the electric heater includes any one of liquid cooling and air cooling; the high-voltage control circuit includes one or more microprocessors MCU and/or one or more digital signal processors DSP.
  7. 一种高压控制装置，应用于新能源汽车，所述新能源汽车包括动力电池，其特征在于，所述高压控制装置包括高压控制回路、车载充电机电力电子变换回路和电加热器主回路；所述电加热器主回路包括电加热器电力电子变换回路和一个或多个发热元件；所述高压控制回路为电加热器控制回路；A high-voltage control device is applied to a new energy vehicle, wherein the new energy vehicle includes a power battery, and is characterized in that the high-voltage control device includes a high-voltage control circuit, an on-board charger power electronic conversion circuit and an electric heater main circuit; The main circuit of the electric heater includes an electric heater power electronic conversion circuit and one or more heating elements; the high-voltage control circuit is an electric heater control circuit;
    当所述新能源汽车处于停车状态时，所述高压控制回路，用于控制所述车载充电机电力电子变换回路接收外界电网的电能，并将所述外界电网的电能转换为高压直流电输入至所述动力电池；When the new energy vehicle is in a parking state, the high-voltage control circuit is used to control the power electronic conversion circuit of the on-board charger to receive the electric energy of the external power grid, and convert the electric energy of the external power grid into high-voltage direct current and input it to the external power grid. the power battery;
    当所述新能源汽车处于行驶状态时，所述高压控制回路，还用于控制所述电加热器电力电子变换回路接收所述动力电池的高压直流电，并将所述动力电池的高压直流电通过所述一个或多个发热元件转换为热能。When the new energy vehicle is in a driving state, the high-voltage control circuit is also used to control the electric heater power electronic conversion circuit to receive the high-voltage direct current of the power battery, and pass the high-voltage direct current of the power battery through the power battery. The one or more heating elements are converted into thermal energy.
  8. 一种高压控制装置，应用于新能源汽车，所述新能源汽车包括动力电池和低压蓄电池，其特征在于，所述高压控制装置包括高压控制回路、车载充电机电力电子变换回路和车载DC/DC变换器电力电子变换回路；所述高压控制回路为车载充电机控制回路；A high-voltage control device is applied to a new energy vehicle. The new energy vehicle includes a power battery and a low-voltage battery. The converter power electronic conversion circuit; the high-voltage control circuit is the vehicle charger control circuit;
    当所述新能源汽车处于停车状态时，所述高压控制回路，用于控制所述车载充电机电力电子变换回路接收外界电网的电能，并将所述外界电网的电能转换为高压直流电输入至所述动力电池；When the new energy vehicle is in a parking state, the high-voltage control circuit is used to control the power electronic conversion circuit of the on-board charger to receive the electric energy of the external power grid, and convert the electric energy of the external power grid into high-voltage direct current and input it to the external power grid. the power battery;
    当所述新能源汽车处于行驶状态时，所述高压控制回路，还用于控制所述车载DC/DC变换器电力电子变换回路接收所述动力电池的高压直流电，并将所述动力电池的高压直流电转换为低压直流电输入至所述低压蓄电池。When the new energy vehicle is in a driving state, the high-voltage control circuit is also used to control the on-board DC/DC converter power electronic conversion circuit to receive the high-voltage direct current of the power battery, and convert the high-voltage of the power battery The direct current is converted into low voltage direct current and input to the low voltage battery.
  9. 一种高压控制装置，应用于新能源汽车，所述新能源汽车包括动力电池和低压蓄电池，其特征在于，所述高压控制装置包括高压控制回路、车载充电机电力电子变换回路和车载DC/DC变换器电力电子变换回路；所述高压控制回路为车载DC/DC变换器控制回路；A high-voltage control device is applied to a new energy vehicle. The new energy vehicle includes a power battery and a low-voltage battery. The converter power electronic conversion circuit; the high-voltage control circuit is a vehicle-mounted DC/DC converter control circuit;
    当所述新能源汽车处于停车状态时，所述高压控制回路，用于控制所述车载充电机电力电子变换回路接收外界电网的电能，并将所述外界电网的电能转换为高压直流电输入至所述动力电池；When the new energy vehicle is in a parking state, the high-voltage control circuit is used to control the power electronic conversion circuit of the on-board charger to receive the electric energy of the external power grid, and convert the electric energy of the external power grid into high-voltage direct current and input it to the external power grid. the power battery;
    当所述新能源汽车处于行驶状态时，所述高压控制回路，还用于控制所述车载DC/DC变换器电力电子变换回路接收所述动力电池的高压直流电，并将所述动力电池的高压直流电转换为低压直流电输入至所述低压蓄电池。When the new energy vehicle is in a driving state, the high-voltage control circuit is also used to control the power electronic conversion circuit of the on-board DC/DC converter to receive the high-voltage direct current of the power battery, and convert the high-voltage of the power battery The direct current is converted into low voltage direct current and input to the low voltage battery.
  10. 一种高压控制装置，应用于新能源汽车，所述新能源汽车包括动力电池和低压蓄电池，其特征在于，所述高压控制装置包括高压控制回路、车载充电机电力电子变换回路和电加热器主回路；所述电加热器主回路包括电加热器电力电子变换回路和一个或多个发热元件；所述高压控制回路为将车载充电机控制回路和车载DC/DC变换器控制回路进行集成后得到的控制回路；A high-voltage control device is applied to a new energy vehicle. The new energy vehicle includes a power battery and a low-voltage battery. The high-voltage control device includes a high-voltage control circuit, an on-board charger power electronic conversion circuit, and an electric heater main The main circuit of the electric heater includes an electric heater power electronic conversion circuit and one or more heating elements; the high-voltage control circuit is obtained by integrating the vehicle-mounted charger control circuit and the vehicle-mounted DC/DC converter control circuit. control loop;
    当所述新能源汽车处于停车状态时，所述高压控制回路，用于控制所述车载充电机电 力电子变换回路接收外界电网的电能，并将所述外界电网的电能转换为高压直流电输入至所述动力电池；When the new energy vehicle is in a parking state, the high-voltage control circuit is used to control the power electronic conversion circuit of the on-board charger to receive the electric energy of the external power grid, and convert the electric energy of the external power grid into high-voltage direct current and input it to the external power grid. the power battery;
    当所述新能源汽车处于行驶状态时，所述高压控制回路，还用于控制所述电加热器电力电子变换回路接收所述动力电池的高压直流电，并将所述动力电池的高压直流电通过所述一个或多个发热元件转换为热能；When the new energy vehicle is in a driving state, the high-voltage control circuit is also used to control the electric heater power electronic conversion circuit to receive the high-voltage direct current of the power battery, and pass the high-voltage direct current of the power battery through the power battery. converting the one or more heating elements into thermal energy;
    当所述新能源汽车处于行驶状态时，所述高压控制回路，还用于控制所述车载DC/DC变换器电力电子变换回路接收所述动力电池的高压直流电，并将所述动力电池的高压直流电转换为低压直流电输入至所述低压蓄电池。When the new energy vehicle is in a driving state, the high-voltage control circuit is also used to control the on-board DC/DC converter power electronic conversion circuit to receive the high-voltage direct current of the power battery, and convert the high-voltage of the power battery The direct current is converted into low voltage direct current and input to the low voltage battery.
PCT/CN2020/130629 2020-11-20 2020-11-20 High-voltage control apparatus WO2022104744A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2020/130629 WO2022104744A1 (en) 2020-11-20 2020-11-20 High-voltage control apparatus
CN202080012267.6A CN113453941A (en) 2020-11-20 2020-11-20 High-voltage control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/130629 WO2022104744A1 (en) 2020-11-20 2020-11-20 High-voltage control apparatus

Publications (1)

Publication Number Publication Date
WO2022104744A1 true WO2022104744A1 (en) 2022-05-27

Family

ID=77808717

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/130629 WO2022104744A1 (en) 2020-11-20 2020-11-20 High-voltage control apparatus

Country Status (2)

Country Link
CN (1) CN113453941A (en)
WO (1) WO2022104744A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115166348A (en) * 2022-06-09 2022-10-11 宁波均胜新能源汽车技术有限公司 Charging pile electric energy metering and calibrating method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103457318A (en) * 2013-08-20 2013-12-18 重庆长安汽车股份有限公司 Power cell charging and heating system and method of pure electric vehicle
CN103475041A (en) * 2013-08-16 2013-12-25 浙江吉利汽车研究院有限公司 Battery charging control system and method of electric automobile
CN104410126A (en) * 2014-11-25 2015-03-11 金华职业技术学院 Vehicle-mounted charger of electric vehicle and vehicle-mounted DC/DC (direct-current/direct-current) integrated system
US20150239405A1 (en) * 2014-02-27 2015-08-27 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Vehicle electric battery controlling apparatus
CN105438003A (en) * 2016-01-11 2016-03-30 北京航空航天大学 Integrated structure of vehicle-mounted charger and motor controller of electric automobile
CN108973703A (en) * 2017-06-01 2018-12-11 杭州富特科技股份有限公司 On-board charging system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130117210A (en) * 2012-04-18 2013-10-25 현대모비스 주식회사 Vehicle battery charging system
CN105549442B (en) * 2016-01-14 2018-07-17 阿尔特汽车技术股份有限公司 Electric automobile high-voltage integrated control system
CN105644373A (en) * 2016-03-17 2016-06-08 北京航空航天大学 High-voltage integration module for electric automobile
CN111371160B (en) * 2018-12-25 2022-05-13 比亚迪股份有限公司 Electric automobile, vehicle-mounted integrated device thereof and control method of vehicle-mounted integrated device
CN110356269A (en) * 2019-07-19 2019-10-22 宝能(广州)汽车研究院有限公司 The two-way Vehicular charger and electric car of integrated DC/DC
CN213973600U (en) * 2020-11-20 2021-08-17 深圳欣锐科技股份有限公司 High-voltage control device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103475041A (en) * 2013-08-16 2013-12-25 浙江吉利汽车研究院有限公司 Battery charging control system and method of electric automobile
CN103457318A (en) * 2013-08-20 2013-12-18 重庆长安汽车股份有限公司 Power cell charging and heating system and method of pure electric vehicle
US20150239405A1 (en) * 2014-02-27 2015-08-27 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Vehicle electric battery controlling apparatus
CN104410126A (en) * 2014-11-25 2015-03-11 金华职业技术学院 Vehicle-mounted charger of electric vehicle and vehicle-mounted DC/DC (direct-current/direct-current) integrated system
CN105438003A (en) * 2016-01-11 2016-03-30 北京航空航天大学 Integrated structure of vehicle-mounted charger and motor controller of electric automobile
CN108973703A (en) * 2017-06-01 2018-12-11 杭州富特科技股份有限公司 On-board charging system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115166348A (en) * 2022-06-09 2022-10-11 宁波均胜新能源汽车技术有限公司 Charging pile electric energy metering and calibrating method

Also Published As

Publication number Publication date
CN113453941A (en) 2021-09-28

Similar Documents

Publication Publication Date Title
WO2022006706A1 (en) Integrated control device and new energy vehicle
Kim et al. An integrated battery charger with high power density and efficiency for electric vehicles
WO2022011660A1 (en) Bidirectional vehicle-mounted charger, discharge method and electric vehicle
CN110588380B (en) Chargeable and dischargeable energy storage device, wireless charging system and electric automobile
CN108258906A (en) Electric vehicle integrated driving system
CN203721845U (en) Alternating current charge-discharge low-temperature heating circuit for boost-type DC-DC (direct current-direct current) power battery
CN112955346B (en) New energy automobile and high-voltage electric control assembly thereof
WO2014026460A1 (en) Conversion device integrated with switched reluctance motor drive and low-voltage battery charging
JP2023528902A (en) Battery energy processing apparatus and method, and vehicle
WO2022104744A1 (en) High-voltage control apparatus
CN112721837B (en) Vehicle power distribution system
CN213619646U (en) Car as a house power management system
CN213973600U (en) High-voltage control device
CN212796560U (en) Integrated control device and new energy automobile
JP2004513600A (en) Battery charger and method for charging a battery having a plurality of battery blocks
CN208174544U (en) Electric car integrated driving system
CN212950173U (en) New energy automobile and high-voltage electric control assembly thereof
CN216252243U (en) PV charging circuit capable of outputting DC voltage source in reversible way
KR20140084820A (en) Apparatus for charging electric vehicle and method for operating thereof
CN208035982U (en) It is a kind of to realize that power battery exchanges the device of fast charge by electric machine controller
Nithya et al. Design and implementation of SEPIC converter with low ripple battery current for electric vehicle applications
CN209526524U (en) A kind of the charging energy-storing system and a kind of dynamical system of high integration
CN205544528U (en) Vehicle starting drive and moving vehicle
CN110957957A (en) Split type six-phase motor control system integrated with alternating current charging and method thereof
TW201417448A (en) Composite battery energy management system and method thereof

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20962035

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20962035

Country of ref document: EP

Kind code of ref document: A1