CN115172930A - Temperature adjusting method and device, electronic equipment and medium - Google Patents
Temperature adjusting method and device, electronic equipment and medium Download PDFInfo
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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- 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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/635—Control systems based on ambient temperature
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
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- 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
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
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Abstract
The invention discloses a temperature adjusting method, a temperature adjusting device, electronic equipment and a medium. The method comprises the following steps: acquiring feedback information sent by a power system of a vehicle; determining control signals for each temperature adjusting device in the temperature control system according to the feedback information; and controlling the working state of the temperature adjusting device based on the control signal so as to adjust the temperature of the power system through the temperature adjusting device. The technical scheme solves the problem that the fan can only reduce the temperature of the power system, achieves the effects of heating and cooling the vehicle power system, can integrally regulate the temperature of the vehicle power system, and ensures the reliability, safety and stability of vehicle operation.
Description
Technical Field
The embodiment of the invention relates to the technical field of vehicle thermal control, in particular to a temperature adjusting method, a temperature adjusting device, electronic equipment and a medium.
Background
The new energy electric automobile is more popular due to comfortable driving experience and lower driving cost, but the power system of the electric automobile is greatly influenced by temperature, so that the new energy electric automobile is a problem which cannot be ignored.
The prior art mainly cools the motor body through the motor fan, if the motor temperature is low, the low-speed operation of control fan, when the motor temperature is high, the high-speed operation of control fan.
The prior art can only play a cooling role, the cooling object is single, and the temperature of the whole power system of the electric automobile is not controlled.
Disclosure of Invention
The invention provides a temperature adjusting method, a temperature adjusting device, electronic equipment and a medium, and aims to realize integrated temperature control of an electric automobile power system.
In a first aspect, an embodiment of the present invention provides a temperature adjustment method, including:
acquiring feedback information sent by a power system of a vehicle;
determining control signals for each temperature adjusting device in the temperature control system according to the feedback information;
and controlling the working state of the temperature adjusting device based on the control signal so as to adjust the temperature of the power system through the temperature adjusting device.
In a second aspect, an embodiment of the present invention provides a temperature adjustment device, including:
the feedback information acquisition module is used for acquiring feedback information sent by a power system of the vehicle;
the control signal determining module is used for determining control signals aiming at all temperature adjusting devices in the temperature control system according to the feedback information;
and the temperature adjusting module is used for controlling the working state of the temperature adjusting device based on the control signal so as to adjust the temperature of the power system through the temperature adjusting device.
In a third aspect, an embodiment of the present invention provides an electronic device, including:
one or more processors;
storage means for storing one or more programs;
when executed by the one or more processors, cause the one or more processors to implement the temperature adjustment method of the first aspect.
In a fourth aspect, the present invention further provides a computer-readable storage medium, on which a computer program is stored, which when executed by a processor implements the temperature adjustment method according to the first aspect.
The embodiment of the invention provides a temperature adjusting method, a temperature adjusting device, electronic equipment and a medium, wherein control signals for all temperature adjusting devices in a temperature control system are determined by acquiring feedback information sent by a vehicle power system, and the working state of the temperature adjusting devices is changed according to the control signals, so that the temperature control of the power system is realized. The technical scheme solves the problem that the fan can only reduce the temperature of the power system, achieves the effects of heating and cooling the vehicle power system, can integrally regulate the temperature of the vehicle power system, and ensures the reliability, safety and stability of vehicle operation.
Drawings
The above and other features, advantages, and aspects of embodiments of the present disclosure will become more apparent by referring to the following detailed description when taken in conjunction with the accompanying drawings. Throughout the drawings, the same or similar reference numbers refer to the same or similar elements. It should be understood that the drawings are schematic and that elements and components are not necessarily drawn to scale.
Fig. 1 is a flowchart of a temperature adjustment method according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a portion of a power system for a method of temperature regulation according to an embodiment of the present invention;
fig. 3 is a flowchart of a temperature adjustment method according to a second embodiment of the present invention;
FIG. 4 is a schematic diagram of a power system for a temperature regulation method according to an embodiment of the present invention;
fig. 5 is a flowchart of a temperature adjustment method according to a third embodiment of the present invention;
fig. 6 is a flowchart of a temperature adjustment method according to a fourth embodiment of the present invention;
fig. 7 is a flowchart of a temperature adjustment method according to a fifth embodiment of the present invention;
fig. 8 is a flowchart of a temperature adjustment method according to a sixth embodiment of the present invention;
fig. 9 is a flowchart of a temperature adjustment method according to a seventh embodiment of the present invention;
FIG. 10 is a flow chart of the thermal fault handling provided by an embodiment of the present invention;
fig. 11 is a schematic structural diagram of a temperature adjustment device according to an eighth embodiment of the present invention;
fig. 12 is a schematic structural diagram of an electronic device according to a ninth embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. In addition, the embodiments and features of the embodiments in the present invention may be combined with each other without conflict. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Before discussing exemplary embodiments in more detail, it should be noted that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although a flowchart may describe the steps as a sequential process, many of the steps can be performed in parallel, concurrently or simultaneously. In addition, the order of the steps may be rearranged. The process may be terminated when its operations are completed, but could have additional steps not included in the figure. The processes may correspond to methods, functions, procedures, subroutines, and the like.
It should be noted that the terms "first", "second", and the like in the embodiments of the present invention are only used for distinguishing different apparatuses, modules, units, or other objects, and are not used for limiting the order or interdependence relationship of the functions performed by these apparatuses, modules, units, or other objects.
For a better understanding of embodiments of the present invention, the related art will be described below.
Example one
Fig. 1 is a flowchart of a temperature adjustment method according to an embodiment of the present invention, which is applicable to a temperature adjustment situation. In particular, the temperature adjustment method may be performed by a temperature adjustment device, which may be implemented in software and/or hardware and integrated in an electronic device. Further, electronic devices include, but are not limited to: desktop computers, notebook computers, smart phones, servers, and other electronic devices.
As shown in fig. 1, the method specifically includes the following steps:
and S110, acquiring feedback information sent by a power system of the vehicle.
As shown in fig. 2, taking the power system of the electric vehicle as an example, the power system may include: the system comprises a direct current converter, a power battery, a driving motor, a transmission, an inverter and the like. The feedback information may be temperature information and/or information associated with temperature, such as temperature information of the drive motor, temperature information of the battery, coolant temperature information for cooling the powertrain, charger temperature information, and drive motor coolant flow request information, among others. In the embodiment of the present application, the feedback information may be determined according to the number of components included in the power system, and the number of the feedback information in the embodiment of the present application is not limited, for example, the vehicle has only one dc converter, the feedback information may include temperature information of the dc converter, and if there are two dc converters, the feedback information may include temperature information of the two dc converters.
Specifically, the vehicle power system includes many components and many types and amounts of feedback information, and the feedback information of the power system needs to be processed uniformly to integrally adjust the temperature of the vehicle power system. For example, feedback information of the power system may be sent by sensors and/or controllers of the power system to the vehicle control unit, and the vehicle control unit may cooperatively process all feedback information.
And S120, determining control signals aiming at each temperature adjusting device in the temperature control system according to the feedback information.
The temperature control system can adjust the temperature of the vehicle power system and can comprise a plurality of temperature adjusting devices. The temperature adjusting device can adjust the temperature of a vehicle power system, such as a high-pressure water heater, an electric water pump, an electric fan, a two-way valve and the like. The control signal may be a signal for controlling the temperature adjustment device, and may be a signal sent to the memory or the input/output device interface by the microprocessor, such as a switching signal of the temperature reduction or increase device, a control signal for controlling the temperature reduction or increase degree, and a coolant flow rate signal.
In the embodiment of the application, different temperature regulation measures can be implemented according to the temperature condition of the power system of the vehicle. For example, if the temperature of the charger is too high when the vehicle is in the charging phase, the control signal may be a signal for controlling the temperature of the charger. If the temperature of the vehicle driving motor is too high, the control signal can be a signal for controlling the driving motor to cool down. If the vehicle is in a severe driving state and the temperatures of the driving motor and the inverter are high, the control signal can be a signal for controlling the temperatures of the driving motor and the inverter, the cooling strength is increased by the signal, and the temperatures of the driving motor and the inverter can be quickly reduced. If the temperature of the power battery is low, the control signal can be a signal for controlling the temperature rise of the power battery.
And S130, controlling the working state of the temperature adjusting device based on the control signal so as to adjust the temperature of the power system through the temperature adjusting device.
Specifically, after the control signals are determined, the temperature adjusting device corresponding to each control signal starts to change the working state, and the plurality of temperature adjusting devices can work cooperatively to adjust the temperature of the vehicle power system together. For example, the thermostat may transition from an off state to an on state, may transition from an on state to an off state, may transition from low range operation to high range operation, and so forth.
According to the temperature adjusting method provided by the embodiment of the invention, the feedback information sent by the vehicle power system is obtained, the control signal for each temperature adjusting device in the temperature control system is determined, the working state of the temperature adjusting device is changed according to the control signal, and the temperature control of the power system is realized. The technical scheme solves the problem that the fan can only reduce the temperature of the power system, achieves the effects of heating and cooling the vehicle power system, can integrally regulate the temperature of the vehicle power system, and ensures the reliability, safety and stability of vehicle operation.
Example two
Fig. 3 is a flowchart of a temperature adjustment method according to a second embodiment of the present invention, which is optimized based on the second embodiment to specifically describe temperature adjustment. It should be noted that technical details that are not described in detail in the present embodiment may be referred to any of the above embodiments.
Specifically, as shown in fig. 3, the method specifically includes the following steps:
and S210, acquiring the battery temperature, the battery water inlet cooling liquid temperature, the ambient temperature and the working state of the battery management device, which are sent by the battery management device in the power system of the vehicle.
The battery management device can send battery state information, such as temperature information of the battery body, temperature information of the battery water inlet cooling liquid, environment temperature information, and operating state information of the battery management device. The operating state information of the battery management device may include an off state and an on state. Specifically, during the charging and discharging process of the battery, the temperature may rise sharply to affect the normal operation of the battery, so that the battery has a cooling demand, and the temperature of the battery is also affected by the external environment, so that the feedback information is obtained.
S220, determining a control signal for the heat pump in the temperature control system according to the feedback information.
The heat pump can reduce the temperature of the cooling liquid, and can be cooled by an internal condensing device, as shown in fig. 4, the heat pump can be installed in a pipeline where the power battery is located. Specifically, according to the feedback information, the working state of the heat pump can be controlled through the control signal, and then the temperature of the battery can be controlled.
In an embodiment of the present application, determining a control signal for the heat pump according to the feedback information includes: if the feedback information meets at least one of the following conditions, generating a starting control signal for the heat pump: the battery temperature is higher than a first preset temperature; the temperature of the cooling liquid at the water inlet of the battery is higher than a second preset temperature; the ambient temperature is greater than a third preset temperature; if the feedback information meets the following conditions, generating a closing control signal of the heat pump: the battery temperature is lower than a fourth preset temperature; the temperature of the cooling liquid at the water inlet of the battery is lower than a fifth preset temperature; the working state of the battery management device is an off state.
The first preset temperature, the second preset temperature, the third preset temperature, the fourth preset temperature and the fifth preset temperature can be determined according to actual conditions, and the embodiment of the application does not limit the temperature. Illustratively, if the battery temperature is greater than 38 degrees celsius, the battery inlet coolant temperature is greater than 30 degrees celsius, or the ambient temperature is greater than 26 degrees celsius, a turn-on control signal to the heat pump is generated. And if the temperature of the battery is less than 30 ℃, the temperature of the cooling liquid at the water inlet of the battery is less than 22 ℃, and the battery finishes the voltage reduction under high voltage, generating a closing control signal for the heat pump.
And S230, controlling the working state of the heat pump based on the control signal so as to regulate the temperature of the power system through a temperature regulating device.
The temperature adjusting method provided by the second embodiment of the invention is optimized on the basis of the first embodiment, and the control signal of the heat pump is determined according to the battery temperature, the temperature of the cooling liquid at the water inlet of the battery, the temperature of the external environment and the working state of the battery management device, so that the battery temperature is adjusted, and the problem of overhigh battery temperature is solved.
EXAMPLE III
Fig. 5 is a flowchart of a temperature adjustment method according to a third embodiment of the present invention, where the third embodiment is optimized based on the foregoing embodiments to specifically describe temperature adjustment. It should be noted that technical details that are not described in detail in the present embodiment may be referred to any of the above embodiments.
Specifically, as shown in fig. 5, the method specifically includes the following steps:
and S310, acquiring the consumed power transmitted by a direct current converter in the vehicle power system.
Wherein, the direct current converter can convert one direct current power supply into another direct current power supply with different output characteristics. The consumed power may be the output current power of the dc converter, which is equal to the output voltage multiplied by the output current of the dc converter. In the embodiment of the application, when the power battery is charged, a certain temperature range is needed to ensure normal work, and the temperature of the power battery is greatly influenced by the charging power.
S320, determining the working power of the high-pressure water heating according to the consumed power; wherein the sum of the consumed power and the working power is less than a preset power threshold.
The high-pressure water heating device can be a heating device, and as shown in fig. 4, the high-pressure water heating device can raise the temperature of the cooling liquid in the pipeline where the high-pressure water heating device is located. The preset power threshold may be determined according to actual conditions, which is not limited in the embodiment of the present application. Specifically, the higher the working power of the high-pressure water heating is, the stronger the heating effect on the power battery is, the lower the working power of the high-pressure water heating is, the weaker the heating effect on the power battery is, the working power of the high-pressure water heating can be determined according to the size of consumed power, and the temperature of the power battery is kept within a certain range. And the consumed power and the working power are both smaller than the preset power, so that the temperature of the power battery is not more than the highest tolerance temperature range.
For example, the working power of the high-pressure water heating system can be controlled by a duty ratio signal, and the duty ratio signal is designed as shown in table 1.
TABLE 1
In this embodiment of the application, optionally, before determining the operating power of the high-pressure water heater according to the consumed power sent by the dc converter in the power system, the method further includes: if the power battery in the power system is in a charging and heating state, controlling a charger in the power system to pre-charge the motor electronic equipment; if a pre-charging completion signal is received, controlling an electric water pump in the temperature control system to work by first preset power; and controlling the high-pressure water heating to be started, and controlling the high-pressure water heating to work at a second preset power.
The motor electronics can be a drive motor controller, can control the direction of rotation, speed, and angle of the drive motor, and can send and receive signals. The first preset power and the second preset power may be determined according to actual conditions, which is not limited in the embodiment of the present application. Specifically, the power battery is in a charging and heating state, the high-pressure water heating is not operated temporarily, the motor electronic equipment is pre-charged firstly, high-pressure impact is avoided, parts are prevented from being damaged, and safety guarantee is provided for the follow-up motor electronic equipment to control the driving motor. And if a pre-charging completion signal of the motor electronic equipment is received, controlling the electric water pump to work by using first preset power, and starting circulation of the cooling liquid in the pipeline. And starting the high-pressure water heater, wherein the high-pressure water heater works at a second preset power.
In the scheme, the motor electronic equipment is pre-charged, so that when the vehicle runs, the motor electronic equipment can control the driving motor on the premise of ensuring safety.
In this embodiment of the application, optionally, after determining the operating power of the high-pressure water heating, the method further includes: sending a shutdown signal to an air conditioner in the power system to reduce power consumption.
The air conditioner can be a vehicle-mounted air conditioner and can adjust the temperature of the space in the vehicle. Specifically, the power battery has larger power consumption and higher battery load in the charging and heating stage, and can reduce power consumption and ensure the safety of the vehicle by closing an air conditioner and other modes.
And S330, controlling the working state of the high-pressure water heating system based on the control signal so as to adjust the temperature of the power system through a temperature adjusting device.
The temperature adjusting method provided by the third embodiment of the invention is optimized on the basis of the above embodiments, determines the working power of the high-pressure water heating through the consumed power and the preset power threshold, maintains the charging temperature of the power battery, and ensures the stability of the charging environment of the power battery.
Example four
Fig. 6 is a flowchart of a temperature adjustment method according to a fourth embodiment of the present invention, where this embodiment is optimized based on the foregoing embodiments, and the temperature adjustment is specifically described. It should be noted that technical details that are not described in detail in the present embodiment may be referred to any of the above embodiments.
Specifically, as shown in fig. 6, the method specifically includes the following steps:
s410, acquiring feedback information sent by a power system of the vehicle, wherein the feedback information comprises at least one of the following items: the system comprises a motor electronic device, a power system, a direct current converter, a charger and a controller, wherein the motor electronic device is used for sending cooling liquid flow demand information, and the direct current converter and the charger in the power system send machine temperatures.
The flow demand information may be a coolant demand of the driving motor, for example, the driving motor has a too high temperature, the flow demand information may be 8L/min coolant, the driving motor has a higher temperature, and the flow demand information may be 4L/min coolant. The machine temperature transmitted by the dc converter may be the temperature of the dc converter body. The machine temperature sent by the charger may be the temperature of the charger body. Specifically, as shown in fig. 4, the driving motor and the inverter are connected in series in the same coolant pipeline, and the temperatures of the driving motor and the inverter are synchronously adjusted, so that only the coolant flow demand information sent by the motor electronic device needs to be obtained, and the coolant flow demand information of the inverter does not need to be obtained.
And S420, determining a control signal for the first electric water pump in the temperature control system according to the feedback information.
In this embodiment of the application, optionally, determining a control signal for a first electric water pump in the temperature control system according to the feedback information includes: if the feedback information meets at least one of the following conditions, controlling the first electric water pump to be started: the cooling liquid flow demand information is greater than a first preset flow threshold; the machine temperature is greater than a sixth preset temperature; if the feedback information meets the following conditions, controlling the first electric water pump to be closed: the coolant flow demand information is zero; the machine temperature is less than a seventh preset temperature; determining a control signal after the first electric water pump is started according to the following operations: and determining the operating duty ratio of the first electric water pump according to the coolant flow demand information and/or the machine temperature, and determining a control signal for the first electric water pump according to the duty ratio.
Wherein the first electric water pump can circulate the coolant in the pipeline, as shown in fig. 4, the first electric water pump can be installed in the pipeline where the driving motor is located. The first preset flow threshold, the sixth preset temperature and the seventh preset temperature may be determined according to actual conditions, which are not limited in the embodiments of the present application. The duty cycle may be the ratio of the on time to the total time of a cycle, or the ratio of the pulse duration to the total time of a continuous cycle. For example, the larger the flow demand information, the larger the duty ratio, and the smaller the flow demand information, the smaller the duty ratio.
For example, if the coolant flow demand information is greater than 0 or the machine temperature is greater than 40 degrees celsius, the first electric water pump is controlled to be started. And if the coolant flow demand information is equal to 0 and the machine temperature is less than 35 ℃, controlling the first electric water pump to be closed. The rotating speed of the second electric water pump is controlled through the duty ratio in the embodiment of the application, the relationship between the duty ratio and the rotating speed of the second electric water pump is shown in table 2, it needs to be described that the highest rotating speed of the electric water pump in the embodiment is 5000rpm, the highest rotating speed of the electric water pump can be changed according to the model of the electric water pump, and the application is not repeated. The duty ratio is 0, the electric water pump is in a sleep state, the duty ratio is [1%,10% ], the electric water pump is in an emergency state, and the temperature of certain parts of the power system can be overhigh due to some emergency situations. The duty cycle is (10%, 15%), resetting the electric water pump. The duty ratio is [15%,85% ], the electric water pump is in a linear speed regulation area, and the rotating speed of the electric water pump is linearly increased according to the increase of the duty ratio. The duty ratio is more than 85%, the electric water pump is in an overheat emergency operation state, and the rotating speed runs at the highest rotating speed.
TABLE 2
For example, during the running process of the vehicle, the vehicle controller sends a duty ratio signal according to the coolant flow demand information sent by the motor electronic device, and controls the first electric water pump to operate, as shown in table 3 below.
TABLE 3
| First electric water pump operating duty cycle | Corresponding to the flow demand of the driving motor |
| 0 | 0L/min |
| 40 | ≥4L/min |
| 60 | ≥7L/min |
| 85 | ≥10L/min |
In the running process of the vehicle, the vehicle control unit can control the first electric water pump to run according to the machine temperature and a calibration curve, and the curve is placed on the vehicle control unit in advance. The calibration curve can be obtained through experiments or big data analysis, which is not limited in the embodiment of the present application, and the curve can be as follows:
the curve function f (x) = ax-b, f (x) is a duty ratio, x is a machine temperature, and a and b are determined according to practical situations, which is not limited in the embodiment of the present application.
It should be noted that, if the vehicle control unit receives two or more feedback information, the duty ratios of the feedback information are respectively calculated and output to the first electric water pump according to the maximum duty ratio, and the first electric water pump controls the operation rotation speed according to the duty ratios.
And S430, controlling the working state of the first electric water pump based on the control signal so as to adjust the temperature of the power system through a temperature adjusting device.
The temperature adjusting method provided by the fourth embodiment of the invention is optimized on the basis of the above embodiments, and controls the working state of the first electric water pump through the cooling liquid flow demand information and the machine temperature, so that the working temperatures of the charger, the direct current converter, the inverter and the driving motor are maintained, and the reliability, the safety and the stability of the vehicle operation are ensured.
EXAMPLE five
Fig. 7 is a flowchart of a temperature adjustment method according to a fifth embodiment of the present invention, which is optimized based on the foregoing embodiments to specifically describe temperature adjustment. It should be noted that technical details that are not described in detail in the present embodiment may be referred to any of the above embodiments.
Specifically, as shown in fig. 7, the method specifically includes the following steps:
and S510, acquiring the battery temperature sent by a battery management device in the vehicle power system.
And S520, determining a control signal for a second electric water pump in the temperature control system according to the feedback information.
In this embodiment of the application, optionally, determining, according to the feedback information, a control signal for a second electric water pump in the temperature control system includes: if the power battery in the power system is determined to be in a working state, controlling a second electric water pump connected with the power battery to be started; determining the duty ratio of the second electric water pump according to the battery temperature, and determining the operating power of the second electric water pump according to the duty ratio; if the feedback information meets at least one of the following conditions, controlling the second electric water pump to be closed: the battery temperature is lower than an eighth preset temperature; the working state of the battery management device is an off state.
Wherein the second electric water pump may circulate the coolant in the pipe, as shown in fig. 4, the second electric water pump may be installed in the pipe where the battery is located. The eighth preset temperature may be determined according to actual conditions, which is not limited in this application. Illustratively, if the power battery is in the working state, the second electric water pump is controlled to be started. And if the temperature of the battery is less than 30 ℃, or the working state of the battery management device is in a closed state, controlling the second electric water pump to be closed. The embodiment of the application controls the rotating speed of the second electric water pump through the duty ratio, and the relationship between the duty ratio and the rotating speed of the second electric water pump is shown in table 2.
And in the running process of the vehicle, the vehicle control unit receives the battery temperature sent by the battery management device, determines the duty ratio of the second electric water pump according to a calibration curve, and places the curve in the vehicle control unit in advance. The calibration curve can be obtained through experiments or big data analysis, which is not limited in the embodiment of the present application, and the curve can be as follows:
curve function f (z) = az-b, where f (z) is duty cycle, z is battery temperature, and the parameter values can be calibrated, e.g., a =23, b =820.
And S530, controlling the working state of the second electric water pump based on the control signal so as to regulate the temperature of the power system through a temperature regulating device.
The temperature adjusting method provided by the fifth embodiment of the invention is optimized on the basis of the above embodiments, and the working state of the second electric water pump is controlled through the battery temperature information, so that the working temperature of the battery is maintained, and the reliability, safety and stability of the vehicle operation are ensured.
Example six
Fig. 8 is a flowchart of a temperature adjustment method according to a sixth embodiment of the present invention, where this embodiment is optimized based on the foregoing embodiments, and the temperature adjustment is specifically described. It should be noted that technical details that are not described in detail in the present embodiment may be referred to any of the above embodiments.
Specifically, as shown in fig. 8, the method specifically includes the following steps:
s610, fan request information sent by air conditioner electronic equipment in a vehicle power system is obtained, and the temperature of cooling liquid sent by a pipeline in the power system is obtained.
The air-conditioning electronic device can be an air-conditioning controller and can send fan request information to the vehicle control unit. The fan request information may include request information of multiple levels, for example, the air conditioning system has a high operating pressure and a temperature reduction effect is affected, the fan request information may be fan high-speed rotation request information, and if the air conditioning system is operating normally, the fan request information may be fan normal rotation request information.
In the embodiment of the application, the temperature of each part of the power system can be adjusted through the cooling liquid in the pipeline, the cooling liquid in the pipeline can be changed in temperature in the flowing process, the working efficiency of the temperature adjusting system is influenced, the temperature of the liquid in the pipeline can be adjusted, and the temperature adjusting system can work normally. For example, in the vehicle-mounted air conditioner, the temperature of the cooling refrigerant needs to be adjusted, and the temperature adjusting device can adjust the temperature of the refrigerant according to the fan request information sent by the air-conditioning electronic equipment, so that the burden of an air-conditioning system is reduced.
And S620, determining a control signal aiming at the electric fan in the temperature control system according to the feedback information.
Wherein the electric fan may be a cooling fan, may cool the cooling fluid in the duct, and may be installed at the position shown in fig. 4. Specifically, the temperature of the cooling liquid in the pipeline is too high, the electric fan can be started, the temperature of the cooling liquid is reduced, the temperature of the cooling liquid in the pipeline is normal, and the electric fan can be closed. If the refrigerating effect of the vehicle-mounted air conditioner is poor, the temperature of the refrigerant can be reduced through the electric fan.
In this embodiment of the application, optionally, determining the control signal for each electric fan in the temperature control system according to the feedback information includes: if the feedback information meets the following conditions, controlling the electric fan to operate at a low gear: the temperature of the cooling liquid is greater than a ninth preset temperature and less than a tenth preset temperature; the fan request information is low grade; if the feedback information meets at least one of the following conditions, controlling the electric fan to operate at a high grade: the temperature information is greater than or equal to a tenth preset temperature; the fan request information is high-grade; if the temperature-related information meets the following conditions, controlling the electric fan to be closed: the temperature information is less than an eleventh preset temperature; the fan request message is off.
The ninth preset temperature, the tenth preset temperature and the eleventh preset temperature are determined according to actual conditions, and the embodiments of the present application do not limit this. For example, if the temperature of the coolant is greater than 50 degrees celsius and less than 60 degrees celsius and the fan request message is low, the electric fan is controlled to operate at low gear. And if the temperature of the cooling liquid is greater than or equal to 60 ℃, or the fan request information is high-grade, controlling the electric fan to run in the high-grade. And if the temperature of the cooling liquid is less than 45 ℃ and the fan request information is closed, controlling the electric fan to be closed.
And S630, controlling the working state of the electric fan based on the control signal so as to regulate the temperature of the power system through a temperature regulating device.
The temperature adjusting method provided by the sixth embodiment of the invention is optimized on the basis of the above embodiments, and controls the working state of the electric fan through the fan request information and the temperature of the cooling liquid, so as to maintain the temperature range of the cooling liquid and help the vehicle-mounted air conditioner to reduce the temperature of the cooling medium.
EXAMPLE seven
Fig. 9 is a flowchart of a temperature adjustment method according to a seventh embodiment of the present invention, where the present embodiment is optimized based on the foregoing embodiments, and the temperature adjustment is specifically described. It should be noted that technical details that are not described in detail in the present embodiment may be referred to any of the above embodiments.
Specifically, as shown in fig. 9, the method specifically includes the following steps:
and S710, acquiring the temperature of a charger sent by the charger in the vehicle power system.
And S720, determining a control signal for the two-way valve in the temperature control system according to the feedback information.
The two-way valve can be an electric valve and can control the circulation of a pipeline. Specifically, the temperature of the charger and the temperature of other parts of the vehicle power system may have time difference, and the temperature adjusting step of the charger is added, so that the temperature of each part of the vehicle power system can be accurately adjusted. As shown in fig. 4, can connect the machine both ends pipeline that charges to install two-way valve, when the machine that charges needs temperature regulation, can close two-way valve, liquid flows through the pipeline of machine that charges, plays the effect of adjusting the machine temperature, when the machine that charges does not need temperature regulation, opens two-way valve, and liquid flows through the pipeline that two-way valve is located.
In the embodiment of the application, the selection is optional. Determining control signals for two-way valves in a temperature control system according to the feedback information comprises: if the charger is in a working state and the temperature of the charger is higher than a twelfth preset temperature, controlling the two-way valve to be opened; and if the charger is in a non-working state or the temperature information is less than a thirteenth preset temperature, controlling the two-way valve to be closed.
The twelfth preset temperature and the thirteenth preset temperature may be determined according to actual conditions, which are not limited in the embodiment of the present application. For example, the vehicle control unit determines that the charger is in the working state and the sent temperature information of the charger is greater than 40 ℃, controls the two-way valve to enter the closed state, and the cooling liquid cannot flow through the two-way valve and flows through a pipeline on the charger body. And the vehicle control unit judges that the charger does not work or the temperature information of the charger sent by the charger is less than 35 ℃, the vehicle control unit controls the two-way valve to be in an open state, and the cooling liquid flows through a pipeline where the two-way valve is located.
And S730, controlling the working state of the two-way valve based on the control signal so as to adjust the temperature of the power system through a temperature adjusting device.
The temperature adjusting method provided by the seventh embodiment of the invention is optimized on the basis of the above embodiments, and the two-way valve is used for controlling whether the liquid in the pipeline passes through the charger or not, so that the problem that the temperature of the charger and the temperature of other parts of the vehicle power system are not synchronous is solved.
In the embodiment of the present application, for example, in some limit states, such as when the outside temperature is high and the vehicle has multiple rapid acceleration operations, the driving motor and the power battery may have over-temperature faults, and the processing flow of the over-temperature faults is shown in fig. 10.
If the driving motor has an over-temperature fault, the motor electronic equipment sends a driving motor over-temperature early warning fault signal to the vehicle control unit. The vehicle control unit records the over-temperature fault of the driving motor through the over-temperature fault code, limits the torque of the vehicle through the torque limiting module, displays the power-limited information of the power system through the instrument system, and can stop the vehicle for inspection or maintenance according to the actual condition.
If the power battery has over-temperature early warning, the battery management device sends a power battery over-temperature early warning fault signal to the vehicle controller, the vehicle controller records the over-temperature fault of the power battery at this time through an over-temperature fault code, limits the output power of the power battery, displays the information of the limited power of the battery through an instrument system, and a driver can stop the vehicle for inspection or maintenance according to the actual condition.
In the embodiment of the application, a vehicle over-temperature fault processing method is provided, a more serious result of a vehicle power system is avoided by limiting the power of the power system, and the personal and property safety of driving personnel is protected.
Example eight
Fig. 11 is a schematic structural diagram of a temperature adjustment device according to a third embodiment of the present invention. The temperature adjusting device provided by the embodiment comprises:
a feedback information obtaining module 810, configured to obtain feedback information sent by a power system of a vehicle;
a control signal determining module 820, configured to determine a control signal for each temperature adjusting device in the temperature control system according to the feedback information;
and a temperature adjusting module 830, configured to control an operating state of the temperature adjusting device based on the control signal, so as to adjust the temperature of the power system through the temperature adjusting device.
Optionally, the feedback information includes a battery temperature, a battery water inlet cooling liquid temperature, an ambient temperature and a working state of the battery management device, which are sent by the battery management device in the power system; the temperature regulating device is a heat pump;
the control signal determination module 820 includes:
a heat pump turn-on unit for generating a turn-on control signal for the heat pump if the feedback information satisfies at least one of:
the battery temperature is higher than a first preset temperature;
the temperature of the cooling liquid at the water inlet of the battery is higher than a second preset temperature;
the ambient temperature is greater than a third preset temperature;
a heat pump shutdown unit, configured to generate a shutdown control signal for the heat pump if the feedback information satisfies the following condition:
the battery temperature is lower than a fourth preset temperature;
the temperature of the cooling liquid at the water inlet of the battery is lower than a fifth preset temperature;
the working state of the battery management device is an off state.
Optionally, the feedback information includes consumed power sent by a dc converter in the power system; the temperature adjusting device is a high-pressure water heater;
the control signal determination module 820 includes:
the high-pressure water heating working power determining unit is used for determining the working power of the high-pressure water heating according to the consumed power; wherein the sum of the consumed power and the working power is less than a preset power threshold.
Optionally, the control signal determining module 820 further includes:
the motor electronic equipment pre-charging unit is used for controlling a charger in the power system to pre-charge the motor electronic equipment if a power battery in the power system is in a charging and heating state;
the electric water pump working unit is used for controlling the electric water pump in the temperature control system to work with first preset power if a charging completion signal is received;
and the high-pressure water heating starting unit is used for controlling the high-pressure water heating to be started and controlling the high-pressure water heating to work at a second preset power.
Optionally, the control signal determining module 820 further includes:
and the closing signal sending unit is used for sending a closing signal to an air conditioner in the power system so as to reduce power consumption.
Optionally, the feedback information includes at least one of: the system comprises a power system, a direct current converter, a charger, a cooling liquid flow demand message, a machine temperature and a control unit, wherein the power system is used for sending cooling liquid flow demand information; the temperature adjusting device is a first electric water pump connected with a direct current converter and an inverter in the power system;
the control signal determination module 820 includes:
a first electric water pump starting unit, configured to control the first electric water pump to start if the feedback information satisfies at least one of the following conditions:
the cooling liquid flow demand information is greater than a first preset flow threshold;
the machine temperature is greater than a sixth preset temperature;
a first electric water pump closing unit, configured to control the first electric water pump to be closed if the feedback information satisfies the following condition:
the coolant flow demand information is zero;
the machine temperature is less than a seventh preset temperature;
the first electric water pump control signal determining unit is used for determining a control signal after the first electric water pump is started according to the following operations:
and determining the operating duty ratio of the first electric water pump according to the coolant flow demand information and/or the machine temperature, and determining a control signal for the first electric water pump according to the duty ratio.
Optionally, the feedback information includes a battery temperature sent by a battery management device in the power system; the temperature adjusting device is a second electric water pump;
the control signal determination module 820 includes:
the second electric water pump starting unit is used for controlling a second electric water pump connected with the power battery to be started if the power battery in the power system is determined to be in a working state;
a duty ratio determining unit for determining a duty ratio of the operation of the second electric water pump according to the battery temperature to determine an operation power of the second electric water pump according to the duty ratio;
a second electric water pump closing unit, configured to control the second electric water pump to be closed if the feedback information satisfies at least one of the following conditions:
the battery temperature is lower than an eighth preset temperature;
the working state of the battery management device is an off state.
Optionally, the feedback information includes fan request information sent by air conditioning electronic equipment in the power system, and the temperature of the cooling liquid sent by a pipeline in the power system; the temperature adjusting device is an electric fan;
the control signal determination module 820 includes:
a low-gear operation unit, configured to control the electric fan to operate in a low gear if the feedback information satisfies the following condition:
the temperature of the cooling liquid is greater than a ninth preset temperature and less than a tenth preset temperature;
the fan request information is low grade;
a high-grade operation unit, configured to control the electric fan to operate in a high grade if the feedback information satisfies at least one of the following conditions:
the temperature information is greater than or equal to a tenth preset temperature;
the fan request information is high-grade;
an electric fan closing unit, configured to control the electric fan to be closed if the temperature-related information satisfies the following conditions:
the temperature information is less than an eleventh preset temperature;
the fan request message is off.
Optionally, the feedback information includes a temperature of a charger sent by the charger in the power system; the temperature adjusting device is a two-way valve;
the control signal determination module 820 includes:
the two-way valve starting unit is used for controlling the two-way valve to be started if the charger is in a working state and the temperature of the charger is higher than a twelfth preset temperature;
and the two-way valve closing unit is used for controlling the two-way valve to be closed if the charger is in a non-working state or the temperature information is less than a thirteenth preset temperature.
The temperature adjusting device provided by the eighth embodiment of the invention can be used for executing the temperature adjusting method provided by any of the above embodiments, and has corresponding functions and beneficial effects.
Example nine
FIG. 12 illustrates a schematic diagram of an electronic device 10 that may be used to implement an embodiment of the invention. The electronic device 10 is intended to represent various forms of digital computers, such as laptops, desktops, workstations, personal digital assistants, servers, blade servers, mainframes, and other appropriate computers. The electronic device 10 may also represent various forms of mobile devices, such as personal digital assistants, cellular telephones, smart phones, user equipment, wearable devices (e.g., helmets, glasses, watches, etc.), and other similar computing devices. The components shown herein, their connections and relationships, and their functions, are meant to be exemplary only, and are not meant to limit implementations of the inventions described and/or claimed herein.
As shown in fig. 12, the electronic device 10 includes at least one processor 11, and a memory communicatively connected to the at least one processor 11, such as a Read Only Memory (ROM) 12, a Random Access Memory (RAM) 13, and the like, wherein the memory stores a computer program executable by the at least one processor, and the processor 11 may perform various suitable actions and processes according to the computer program stored in the Read Only Memory (ROM) 12 or the computer program loaded from a storage unit 18 into the Random Access Memory (RAM) 13. In the RAM13, various programs and data necessary for the operation of the electronic apparatus 10 can also be stored. The processor 11, the ROM12, and the RAM13 are connected to each other via a bus 14. An input/output (I/O) interface 15 is also connected to the bus 14.
A number of components in the electronic device 10 are connected to the I/O interface 15, including: an input unit 16 such as a keyboard, a mouse, or the like; an output unit 17 such as various types of displays, speakers, and the like; a storage unit 18 such as a magnetic disk, optical disk, or the like; and a communication unit 19 such as a network card, modem, wireless communication transceiver, etc. The communication unit 19 allows the electronic device 10 to exchange information/data with other devices via a computer network, such as the internet, and/or various telecommunication, wireless networks.
The processor 11 may be a variety of general and/or special purpose processing components having processing and computing capabilities. Some examples of processor 11 include, but are not limited to, a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), various dedicated Artificial Intelligence (AI) computing chips, various processors running machine learning model algorithms, a Digital Signal Processor (DSP), and any suitable processor, electronic device, microelectronic device, and so forth. The processor 11 performs the various methods and processes described above, such as the temperature adjustment method.
In some embodiments, the temperature adjustment method may be implemented as a computer program tangibly embodied in a computer-readable storage medium, such as storage unit 18. In some embodiments, part or all of the computer program may be loaded and/or installed onto the electronic device 10 via the ROM12 and/or the communication unit 19. When the computer program is loaded into RAM13 and executed by processor 11, one or more steps of the temperature adjustment method described above may be performed. Alternatively, in other embodiments, the processor 11 may be configured to perform the temperature adjustment method by any other suitable means (e.g., by means of firmware).
Various implementations of the systems and techniques described here above may be implemented in digital electronic circuitry, integrated circuitry, field Programmable Gate Arrays (FPGAs), application Specific Integrated Circuits (ASICs), application Specific Standard Products (ASSPs), system on a chip (SOCs), load programmable logic devices (CPLDs), computer hardware, firmware, software, and/or combinations thereof. These various embodiments may include: implemented in one or more computer programs that are executable and/or interpretable on a programmable system including at least one programmable processor, which may be special or general purpose, receiving data and instructions from, and transmitting data and instructions to, a storage system, at least one input device, and at least one output device.
A computer program for implementing the temperature regulation method of the present invention may be written in any combination of one or more programming languages. These computer programs may be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus, such that the computer programs, when executed by the processor, cause the functions/acts specified in the flowchart and/or block diagram block or blocks to be performed. A computer program can execute entirely on a machine, partly on the machine, as a stand-alone software package, partly on the machine and partly on a remote machine or entirely on the remote machine or server.
In the context of the present invention, a computer-readable storage medium may be a tangible medium that can contain, or store a computer program for use by or in connection with an instruction execution system, apparatus, or device. A computer readable storage medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. Alternatively, the computer readable storage medium may be a machine readable signal medium. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
To provide for interaction with a user, the systems and techniques described here may be implemented on an electronic device 10, the electronic device 10 having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to a user; and a keyboard and a pointing device (e.g., a mouse or a trackball) by which a user may provide input to the electronic device 10. Other kinds of devices may also be used to provide for interaction with a user; for example, feedback provided to the user can be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user may be received in any form, including acoustic, speech, or tactile input.
The systems and techniques described here can be implemented in a computing system that includes a back-end component (e.g., as a data server), or that includes a middleware component (e.g., an application server), or that includes a front-end component (e.g., a user computer having a graphical user interface or a web browser through which a user can interact with an implementation of the systems and techniques described here), or any combination of such back-end, middleware, or front-end components. The components of the system can be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: local Area Networks (LANs), wide Area Networks (WANs), blockchain networks, and the internet.
The computing system may include clients and servers. A client and server are generally remote from each other and typically interact through a communication network. The relationship of client and server arises by virtue of computer programs running on the respective computers and having a client-server relationship to each other. The server can be a cloud server, also called a cloud computing server or a cloud host, and is a host product in a cloud computing service system, so that the defects of high management difficulty and weak service expansibility in the traditional physical host and VPS service are overcome.
It should be understood that various forms of the flows shown above may be used, with steps reordered, added, or deleted. For example, the steps described in the present invention may be executed in parallel, sequentially, or in different orders, and are not limited herein as long as the desired results of the technical solution of the present invention can be achieved.
The above-described embodiments should not be construed as limiting the scope of the invention. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions may be made in accordance with design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. A method of temperature regulation, the method comprising:
acquiring feedback information sent by a power system of a vehicle;
determining control signals for each temperature adjusting device in the temperature control system according to the feedback information;
and controlling the working state of the temperature adjusting device based on the control signal so as to adjust the temperature of the power system through the temperature adjusting device.
2. The method of claim 1, wherein the feedback information includes a battery temperature, a battery inlet coolant temperature, an ambient temperature, and an operating state of a battery management device sent by the battery management device in the power system; the temperature regulating device is a heat pump;
determining a control signal for each thermostat in the temperature control system based on the feedback information, comprising:
if the feedback information meets at least one of the following conditions, generating a starting control signal for the heat pump:
the battery temperature is higher than a first preset temperature;
the temperature of the cooling liquid at the water inlet of the battery is higher than a second preset temperature;
the ambient temperature is greater than a third preset temperature;
if the feedback information meets the following conditions, generating a closing control signal of the heat pump:
the battery temperature is lower than a fourth preset temperature;
the temperature of the cooling liquid at the water inlet of the battery is lower than a fifth preset temperature;
the working state of the battery management device is an off state.
3. The method of claim 1, wherein the feedback information includes power consumption delivered by a dc converter in the power system; the temperature adjusting device is a high-pressure water heater;
determining a control signal for each thermostat in the temperature control system based on the feedback information, comprising:
determining the working power of the high-pressure water heating according to the consumed power; wherein the sum of the consumed power and the working power is less than a preset power threshold.
4. The method of claim 3, wherein before determining the operating power of the high pressure water heating based on the consumed power delivered by the dc converter in the power system, the method further comprises:
if the power battery in the power system is in a charging and heating state, controlling a charger in the power system to pre-charge the motor electronic equipment;
if a pre-charging completion signal is received, controlling an electric water pump in the temperature control system to work by first preset power;
and controlling the high-pressure water heating to be started, and controlling the high-pressure water heating to work at a second preset power.
5. The method according to claim 3, wherein after determining the operating power of the high pressure water heating, the method further comprises:
sending a shutdown signal to an air conditioner in the power system to reduce power consumption.
6. The method of claim 1, wherein the feedback information comprises at least one of: the system comprises a power system, a motor electronic device, a direct current converter, a charger and a controller, wherein the power system comprises the motor electronic device, the motor electronic device and the controller, the motor electronic device is connected with the motor electronic device, and the controller is used for controlling the motor electronic device to work; the temperature adjusting device is a first electric water pump connected with a direct current converter and an inverter in the power system;
determining a control signal for each thermostat in the temperature control system based on the feedback information, comprising:
if the feedback information meets at least one of the following conditions, controlling the first electric water pump to be started:
the cooling liquid flow demand information is greater than a first preset flow threshold;
the machine temperature is greater than a sixth preset temperature;
if the feedback information meets the following conditions, controlling the first electric water pump to be closed:
the coolant flow demand information is zero;
the machine temperature is less than a seventh preset temperature;
determining a control signal after the first electric water pump is started according to the following operations:
and determining the operating duty ratio of the first electric water pump according to the coolant flow demand information and/or the machine temperature, and determining a control signal for the first electric water pump according to the duty ratio.
7. The method of claim 1, wherein the feedback information includes a battery temperature sent by a battery management device in the power system; the temperature adjusting device is a second electric water pump;
determining a control signal for each thermostat in the temperature control system based on the feedback information, comprising:
if the power battery in the power system is determined to be in a working state, controlling a second electric water pump connected with the power battery to be started;
determining the duty ratio of the second electric water pump according to the battery temperature, and determining the operating power of the second electric water pump according to the duty ratio;
if the feedback information meets at least one of the following conditions, controlling the second electric water pump to be closed:
the battery temperature is lower than an eighth preset temperature;
the working state of the battery management device is an off state.
8. The method of claim 1, wherein the feedback information includes fan request information sent by air conditioning electronics in the powered system, coolant temperature sent by a circuit in the powered system; the temperature adjusting device is an electric fan;
determining a control signal for each thermostat in the temperature control system based on the feedback information, comprising:
if the feedback information meets the following conditions, controlling the electric fan to operate at a low gear:
the temperature of the cooling liquid is greater than a ninth preset temperature and less than a tenth preset temperature;
the fan request information is low grade;
if the feedback information meets at least one of the following conditions, controlling the electric fan to operate at a high grade:
the temperature information is greater than or equal to a tenth preset temperature;
the fan request information is high-grade;
if the temperature-related information meets the following conditions, controlling the electric fan to be closed:
the temperature information is less than an eleventh preset temperature;
the fan request message is off.
9. The method of claim 1, wherein the feedback information comprises a charger temperature sent by a charger in the power system; the temperature adjusting device is a two-way valve;
determining control signals for each thermostat in the temperature control system based on the feedback information, including:
if the charger is in a working state and the temperature of the charger is higher than a twelfth preset temperature, controlling the two-way valve to be opened;
and if the charger is in a non-working state or the temperature information is less than a thirteenth preset temperature, controlling the two-way valve to be closed.
10. A temperature conditioning device, comprising:
the feedback information acquisition module is used for acquiring feedback information sent by a power system of the vehicle;
the control signal determining module is used for determining control signals aiming at all temperature adjusting devices in the temperature control system according to the feedback information;
and the temperature adjusting module is used for controlling the working state of the temperature adjusting device based on the control signal so as to adjust the temperature of the power system through the temperature adjusting device.
11. An electronic device, comprising:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein,
the memory stores a computer program executable by the at least one processor to enable the at least one processor to perform the method of temperature regulation according to any one of claims 1-9.
12. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the method for temperature regulation according to any one of claims 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210772877.7A CN115172930A (en) | 2022-06-30 | 2022-06-30 | Temperature adjusting method and device, electronic equipment and medium |
| PCT/CN2023/101659 WO2024001899A1 (en) | 2022-06-30 | 2023-06-21 | Temperature adjustment method and apparatus, and electronic device and medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210772877.7A CN115172930A (en) | 2022-06-30 | 2022-06-30 | Temperature adjusting method and device, electronic equipment and medium |
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| CN115172930A true CN115172930A (en) | 2022-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210772877.7A Pending CN115172930A (en) | 2022-06-30 | 2022-06-30 | Temperature adjusting method and device, electronic equipment and medium |
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| Country | Link |
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| CN (1) | CN115172930A (en) |
| WO (1) | WO2024001899A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024001899A1 (en) * | 2022-06-30 | 2024-01-04 | 中国第一汽车股份有限公司 | Temperature adjustment method and apparatus, and electronic device and medium |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101855776B1 (en) * | 2016-09-12 | 2018-05-09 | 현대자동차 주식회사 | Heatpump system for vehicle and method controlling of the same |
| CN110316006B (en) * | 2019-07-29 | 2022-06-14 | 重庆长安新能源汽车科技有限公司 | Cooling control system and method for charging vehicle-mounted equipment of electric vehicle |
| CN110588277B (en) * | 2019-08-16 | 2021-03-30 | 中国第一汽车股份有限公司 | Electric automobile thermal management method and system and vehicle |
| CN110588283A (en) * | 2019-09-19 | 2019-12-20 | 一汽轿车股份有限公司 | Cooling system of electric vehicle |
| CN112060975A (en) * | 2020-08-17 | 2020-12-11 | 中国第一汽车股份有限公司 | Alternating current charging heating control method for electric automobile |
| CN115172930A (en) * | 2022-06-30 | 2022-10-11 | 中国第一汽车股份有限公司 | Temperature adjusting method and device, electronic equipment and medium |
| CN115158004A (en) * | 2022-06-30 | 2022-10-11 | 中国第一汽车股份有限公司 | Temperature adjusting method, temperature adjusting device, electronic device, and medium |
-
2022
- 2022-06-30 CN CN202210772877.7A patent/CN115172930A/en active Pending
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2023
- 2023-06-21 WO PCT/CN2023/101659 patent/WO2024001899A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024001899A1 (en) * | 2022-06-30 | 2024-01-04 | 中国第一汽车股份有限公司 | Temperature adjustment method and apparatus, and electronic device and medium |
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| WO2024001899A1 (en) | 2024-01-04 |
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