CN111055652A - Air conditioner domain control system for pure electric vehicle - Google Patents
Air conditioner domain control system for pure electric vehicle Download PDFInfo
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- CN111055652A CN111055652A CN201911231276.XA CN201911231276A CN111055652A CN 111055652 A CN111055652 A CN 111055652A CN 201911231276 A CN201911231276 A CN 201911231276A CN 111055652 A CN111055652 A CN 111055652A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
- B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
- B60H1/00392—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for electric vehicles having only electric drive means
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- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses an air conditioner domain control system for a pure electric vehicle, which comprises: the system comprises an insulated gate bipolar transistor module, an isolation driving module, a high-voltage current measuring module, a power distribution management module, a digital signal control module, a CAN network module, a LIN network module, an analog signal input module, a single chip microcomputer module, an air conditioner panel input module, a driving module and a processing module; one end of the insulated gate bipolar transistor module is respectively connected with one end of the isolation driving module and one end of the high-voltage current measuring module; the other ends of the isolation driving module and the high-voltage current measuring module are connected with the single chip microcomputer module; one end of the power distribution management module, the digital signal control module, the CAN network module, the LIN network module and the analog signal input module are respectively connected with one end of the singlechip module; the other end of the single chip microcomputer module is connected with one end of the air conditioner panel input module, the driving module and one end of the processing module respectively.
Description
Technical Field
The invention relates to the technical field of electric automobiles, in particular to an air-conditioning domain control system for a pure electric automobile.
Background
Compared with the conventional automobile, namely a fuel automobile, the electric automobile replaces the power system of the conventional automobile fuel engine by the power supply, so that the compressor of the air conditioning system driven by the engine on the conventional automobile model and the warm air system heated by the engine heat dissipation system can not be used on the electric automobile. In the electric automobile, the power source is a power source, so that a compressor in an air conditioning system is replaced by an electric compressor, and water heating type warm air in a warm air system is replaced by an electric heater PTC. Because the electric compressor and the warm air electric heater of the electric air conditioning system both consume the electric energy of the electric automobile, if the electric energy consumed by the air conditioning system is too large, the driving mileage of the new energy automobile is reduced.
The pure electric vehicle has obvious difference with the traditional vehicle in system constitution, and the pure electric vehicle has no engine as the power source of the air conditioner compressor and no engine waste heat which can be utilized to achieve the effects of warming and defrosting. At present, a refrigeration system of a pure electric vehicle in the market mainly adopts an electric compressor for refrigeration, and a warm air system mainly adopts the technical schemes of a PTC electric heater, a heat pump and the like. In the scheme of electric compressor refrigeration and PTC electric heater, the controller comprises an air conditioner controller, a PTC controller and a compressor controller, each controller has a single function, partial hardware functions are overlapped, and the hardware cost is high. .
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides an air conditioner domain control system for a pure electric vehicle, provides integrated hardware and domain control technology from the aspect of an air conditioner system, can effectively reduce hardware cost, meets the whole vehicle cost control target, and supports modular, standardized and platform development.
In order to achieve the purpose, the invention adopts the following technical scheme:
an air conditioning domain control system for a pure electric vehicle, comprising: the device comprises an insulated gate bipolar transistor module (00), an isolation driving module (11), a high-voltage current measuring module (12), a power distribution management module (33), a digital signal control module (44), a CAN network module (55), a LIN network module (66), an analog signal input module (77), a singlechip module (22), an air conditioner panel input module (88), a driving module (99) and a processing module (23); one end of the insulated gate bipolar transistor module (00) is respectively connected with one end of the isolation driving module (11) and one end of the high-voltage current measuring module (12); the other ends of the isolation driving module (11) and the high-voltage current measuring module (12) are connected with the single chip microcomputer module (22); one end of the power distribution management module (33), one end of the digital signal control module (44), one end of the CAN network module (55), one end of the LIN network module (66) and one end of the analog signal input module (77) are respectively connected with one end of the single chip microcomputer module (22); the other end of the single chip microcomputer module (22) is connected with one end of the air conditioner panel input module (88), the driving module (99) and the processing module (23) respectively.
Furthermore, the device also comprises a high-voltage input interface module (111) and a high-voltage output interface module (222); one end of the high-voltage input interface module (111) is connected with one end of the insulated gate bipolar transistor module (00), and one end of the high-voltage output interface module (222) is connected with the other end of the insulated gate bipolar transistor module (00) and used for providing a high-voltage power supply for the PTC electric heater.
Furthermore, the controller low-voltage input interface module (333) is further included and is used for being connected with the other ends of the power distribution management module (33), the digital signal control module (44), the CAN network module (55), the LIN network module (66) and the analog signal input module (77).
Further, the air conditioner panel input interface module (444) is further included and is used for being connected with the other end of the air conditioner panel input module (88).
Further, the air conditioner panel input module (88) comprises a key switch signal input module for detecting a signal of a key.
Further, the device also comprises an external drive interface module (555) which is used for being connected with the drive module (99).
Further, the drive module (99) comprises a hybrid co-driven HSD, a limited slip differential LSD and a pulse width modulation PWM.
Further, the processing module (23) comprises a hardware processing module and a flash module, and is used for monitoring the running state of the singlechip module (22).
Furthermore, the processing module (23) further comprises a storage module for storing the fault information of the single chip microcomputer module (22).
Further, the digital signal control module (44) is used for detecting a key switch signal and an input/output signal of the pulse width modulation PWM.
Compared with the prior art, the invention integrates the control of the functions on a single Electronic Control Unit (ECU), can reduce signal delay, eliminate excessive wiring, save considerable weight, reduce hardware cost, and simultaneously, along with the improvement of chip processing capacity in the coming years, the domain controller computing platform releases enough computing capacity to adapt to more new functions, and simultaneously can effectively reduce hardware cost and meet the control target of the cost of the whole vehicle.
Drawings
FIG. 1 is a schematic diagram of an air conditioning domain control system for a blade electric vehicle according to a first embodiment;
00, an insulated gate bipolar transistor module; 11. an isolation drive module; 12. a high voltage current measurement module; 22. a single chip module; 23. a processing module; 33. a power distribution management module; 44. a digital signal control module; a CAN network module; 66.LIN network module; 77. an analog signal input module; 88. an air conditioner panel input module, 99, a driving module; 111. a high voltage input interface module; 222. a high voltage output interface module; 333. the controller low-voltage input interface module; 444. an air conditioner panel input interface module; 555. and an external drive interface module.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
The invention aims to provide an air conditioning domain control system for a pure electric vehicle, aiming at the defects of the prior art.
Example one
The present embodiment provides an air conditioning domain control system for a pure electric vehicle, as shown in fig. 1, including: the device comprises an insulated gate bipolar transistor module (00), an isolation driving module (11), a high-voltage current measuring module (12), a power distribution management module (33), a digital signal control module (44), a CAN network module (55), a LIN network module (66), an analog signal input module (77), a singlechip module (22), an air conditioner panel input module (88), a driving module (99) and a processing module (23); one end of the insulated gate bipolar transistor module (00) is respectively connected with one end of the isolation driving module (11) and one end of the high-voltage current measuring module (12); the other ends of the isolation driving module (11) and the high-voltage current measuring module (12) are connected with the single chip microcomputer module (22); one end of the power distribution management module (33), one end of the digital signal control module (44), one end of the CAN network module (55), one end of the LIN network module (66) and one end of the analog signal input module (77) are respectively connected with one end of the single chip microcomputer module (22); the other end of the single chip microcomputer module (22) is connected with one end of the air conditioner panel input module (88), the driving module (99) and the processing module (23) respectively.
In the embodiment, the high-voltage power supply further comprises a high-voltage input interface module (111) and a high-voltage output interface module (222); one end of the high-voltage input interface module (111) is connected with one end of the insulated gate bipolar transistor module (00), and one end of the high-voltage output interface module (222) is connected with the other end of the insulated gate bipolar transistor module (00) and used for providing a high-voltage power supply for the PTC electric heater.
In the embodiment, the controller low-voltage input interface module (333) is further included and is used for being connected with the other ends of the power distribution management module (33), the digital signal control module (44), the CAN network module (55), the LIN network module (66) and the analog signal input module (77).
In this embodiment, an air conditioner panel input interface module (444) is further included for connecting with the other end of the air conditioner panel input module (88).
In this embodiment, the air conditioner panel input module (88) includes a key switch signal input module for detecting a signal of a key.
In the embodiment, the system further comprises an external drive interface module (555) for connecting with the drive module (99).
In the present embodiment, the drive module (99) includes a hybrid co-driven HSD, a limited slip differential LSD and a pulse width modulation PWM.
In this embodiment, the processing module (23) includes a hardware processing module and a flash module, and is configured to monitor an operating state of the single chip microcomputer module (22).
In this embodiment, the processing module (23) further includes the storage module, which is used for storing the fault information of the single chip microcomputer module (22).
In the present embodiment, the digital signal control module (44) is used for detecting the key switch signal and the input/output signal of the pulse width modulation PWM.
As shown in fig. 1, the air conditioning domain control system for the pure electric vehicle integrates all functions of the PTC controller and the air conditioning controller. The system is designed with 12 functional modules, each domain is controlled relatively and intensively by utilizing a multi-core CPU/GPU chip with stronger processing capacity so as to replace the conventional distributed electronic and electrical architecture, and the system has the advantages of being platform-based, compatible, high in integration, low in hardware cost and the like.
As shown in fig. 1, the high voltage input interface module 111 and the high voltage output interface module 222 provide a high voltage power supply for the PTC electric heater;
the controller low-voltage input interface module 333 mainly comprises a power supply pin, a digital signal input/output, a CAN network signal, a LIN network signal and an analog signal input;
the air conditioner panel input interface module 444 is an air conditioner panel key switch signal input interface;
an external drive interface module 555, mainly including HSD, LSD and PWM drives;
an Insulated Gate Bipolar Transistor (IGBT) module 00 selects a vehicle-scale IGBT and realizes dynamic control through different duty ratios;
the isolation driving module 11 selects a digital isolator or a magnetic isolator to realize power isolation and signal isolation;
the high-voltage current measuring module 12 selects a high-precision milliohm resistor, collects the voltage at two ends of the resistor, performs isolation amplification, and performs sampling conversion through the single chip ADC (analog to digital converter), so that the high-voltage loop current can be detected in real time;
the power distribution management module 33 mainly comprises a sensor power supply, a digital power supply, an analog power supply, an isolated IGBT power supply, a power supply for an isolated current detection module, a singlechip power supply and the like;
the digital signal control module 44 is a digital signal input detection and digital signal output control module, and can be used for switching signal detection, PWM signal output/input, and the like;
the CAN network module 55 is used for exchanging information with other controllers through a CAN bus, and a chip with CAN network management CAN be selected during design;
a LIN network module 66 that can be used for drive control of various valves, such as a three-way valve, an electronic expansion valve, and the like;
an analog signal input module 77, which can be used for sensor signal input, temperature detection, etc.;
the single chip microcomputer module 22 can select a processor with multiple cores and a lockstep core, has DSP digital signal processing and floating point operation capabilities, and meets higher functional safety level;
the air conditioner panel input module 88 includes a key switch signal input for detecting signals of an air volume adjusting knob, a temperature increasing key, a temperature decreasing key, an a/C switching key, an internal and external circulation key, a mode adjusting knob, and the like;
the driving module 99 is a hybrid power cooperative driving HSD, a limited slip differential LSD and a pulse width modulation PWM driving module, and is used for driving a relay, a backlight lamp and the like;
the processing module 23 is a hardware watchdog module, a flash module, a storage module and the like, and is used for monitoring the running state of the single chip microcomputer, storing fault information and the like;
among them, the IGBT is called "insulated gate bipolar transistor" in chinese, and can be understood as a switch used for a strong current having a voltage of several tens to several hundreds volts and a current of several tens to several hundreds amperes.
Lin (local Interconnect network) is a low cost ($ 0.5), low speed serial communication bus for automotive low end distributed applications. The system aims to provide an auxiliary function for the existing automobile network, is used in occasions without the bandwidth and multiple functions of a CAN bus, and reduces the cost. The LIN bus physical layer adopts single-wire connection, and the maximum transmission distance between the two electronic control units is 40 m. The specification of its bus drivers and receivers complies with the modified ISO 9141 single-wire standard. SCI/UART (Universal asynchronous receiver/transmitter interface based Single bus Serial communication) protocol; almost all current microcontroller chips have an SCI/UART interface. Low transmission rate, less than 20kb/s, encoded using NRZ.
A CAN bus CAN (controller Area network), i.e. a controller Area network, CAN belong to the field of industrial field buses, and is generally called a CAN bus, i.e. a CAN bus, which is one of the most widely used open field buses in the world at present. The CAN bus is a serial data communication protocol, and the communication interface of the CAN bus integrates the functions of a physical layer and a data link layer of the CAN protocol, and CAN complete framing processing of communication data, including bit filling, data block encoding, cyclic redundancy check, priority discrimination and other works.
A hardware watchdog is composed of a single-chip microcomputer, and is characterized in that the single-chip microcomputer is interfered by an external electromagnetic field to cause data confusion of various registers and memories, a program pointer is wrong and is not in a program area, a wrong program instruction is fetched, and the like, the hardware watchdog falls into dead loop, normal operation of a program is interrupted, a system controlled by the single-chip microcomputer cannot work normally, the whole system falls into a stagnation state, and unpredictable results are generated. The watchdog is a circuit which periodically checks the internal condition of the chip and sends a restart signal to the chip once an error occurs. The watchdog command has the highest priority among the interrupts of the program.
The embodiment integrates the control of the above functions on a single Electronic Control Unit (ECU), so that the signal delay can be reduced, excessive wiring is eliminated, considerable weight is saved, the hardware cost is reduced, meanwhile, as the chip processing capacity is improved in the coming years, the domain controller computing platform releases enough computing capacity to adapt to more new functions, the hardware cost can be effectively reduced, and the whole vehicle cost control target is met.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. The utility model provides an air conditioner territory control system for pure electric vehicles which characterized in that includes: the device comprises an insulated gate bipolar transistor module (00), an isolation driving module (11), a high-voltage current measuring module (12), a power distribution management module (33), a digital signal control module (44), a CAN network module (55), a LIN network module (66), an analog signal input module (77), a singlechip module (22), an air conditioner panel input module (88), a driving module (99) and a processing module (23); one end of the insulated gate bipolar transistor module (00) is respectively connected with one end of the isolation driving module (11) and one end of the high-voltage current measuring module (12); the other ends of the isolation driving module (11) and the high-voltage current measuring module (12) are connected with the single chip microcomputer module (22); one end of the power distribution management module (33), one end of the digital signal control module (44), one end of the CAN network module (55), one end of the LIN network module (66) and one end of the analog signal input module (77) are respectively connected with one end of the single chip microcomputer module (22); the other end of the single chip microcomputer module (22) is connected with one end of the air conditioner panel input module (88), the driving module (99) and the processing module (23) respectively.
2. The air conditioning domain control system for the pure electric vehicle according to claim 1, further comprising a high voltage input interface module (111), a high voltage output interface module (222); one end of the high-voltage input interface module (111) is connected with one end of the insulated gate bipolar transistor module (00), and one end of the high-voltage output interface module (222) is connected with the other end of the insulated gate bipolar transistor module (00) and used for providing a high-voltage power supply for the PTC electric heater.
3. The air-conditioning domain control system for the blade electric vehicle as claimed in claim 1, further comprising a controller low voltage input interface module (333) for connecting with the other ends of the power distribution management module (33), the digital signal control module (44), the CAN network module (55), the LIN network module (66) and the analog signal input module (77).
4. The air conditioning domain control system for the blade electric vehicle as claimed in claim 1, further comprising an air conditioning panel input interface module (444) for connecting with the other end of the air conditioning panel input module (88).
5. The air conditioning domain control system for the blade electric vehicle as claimed in claim 4, wherein the air conditioning panel input module (88) comprises a key switch signal input module for detecting a signal of a key.
6. Air conditioning domain control system for pure electric vehicles according to claim 5, characterized by further comprising an external driving interface module (555) for connecting with the driving module (99).
7. Air conditioning domain control system for a blade electric vehicle according to claim 6, characterized in that the driving module (99) comprises hybrid power co-driven HSD, limited slip differential LSD and pulse width modulation PWM.
8. The air conditioning domain control system for the blade electric vehicle as claimed in claim 1, wherein the processing module (23) comprises a hardware processing module and a flash module, and is configured to monitor an operation state of the single chip microcomputer module (22).
9. The air conditioning domain control system for the blade electric vehicle as claimed in claim 8, wherein the processing module (23) further comprises the storage module, and is configured to store the fault information of the single chip microcomputer module (22).
10. The air conditioning domain control system for the blade electric vehicle as claimed in claim 7, wherein the digital signal control module (44) is configured to detect a key switch signal and an input/output signal of Pulse Width Modulation (PWM).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911231276.XA CN111055652A (en) | 2019-12-05 | 2019-12-05 | Air conditioner domain control system for pure electric vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911231276.XA CN111055652A (en) | 2019-12-05 | 2019-12-05 | Air conditioner domain control system for pure electric vehicle |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130091400A (en) * | 2012-02-08 | 2013-08-19 | 한라비스테온공조 주식회사 | Air conditioning system for automotive vehicles |
| CN103568780A (en) * | 2013-10-31 | 2014-02-12 | 博耐尔汽车电气***有限公司 | PTC (positive temperature coefficient) auxiliary heating control system of automobile air conditioner |
| CN206124665U (en) * | 2016-06-23 | 2017-04-26 | 陕西重型汽车有限公司 | Vehicle air conditioner controller and car |
| CN206589617U (en) * | 2017-04-01 | 2017-10-27 | 成都高新区华汇实业有限公司 | The air-conditioning heating system of pure electric automobile |
| CN207657557U (en) * | 2017-12-14 | 2018-07-27 | 孝感华工高理电子有限公司 | A kind of high pressure PTC heating control systems of electric automobile air conditioner |
-
2019
- 2019-12-05 CN CN201911231276.XA patent/CN111055652A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130091400A (en) * | 2012-02-08 | 2013-08-19 | 한라비스테온공조 주식회사 | Air conditioning system for automotive vehicles |
| CN103568780A (en) * | 2013-10-31 | 2014-02-12 | 博耐尔汽车电气***有限公司 | PTC (positive temperature coefficient) auxiliary heating control system of automobile air conditioner |
| CN206124665U (en) * | 2016-06-23 | 2017-04-26 | 陕西重型汽车有限公司 | Vehicle air conditioner controller and car |
| CN206589617U (en) * | 2017-04-01 | 2017-10-27 | 成都高新区华汇实业有限公司 | The air-conditioning heating system of pure electric automobile |
| CN207657557U (en) * | 2017-12-14 | 2018-07-27 | 孝感华工高理电子有限公司 | A kind of high pressure PTC heating control systems of electric automobile air conditioner |
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Application publication date: 20200424 |