CN114670715A - Heating control method and device for electric automobile - Google Patents
Heating control method and device for electric automobile Download PDFInfo
- Publication number
- CN114670715A CN114670715A CN202111387535.5A CN202111387535A CN114670715A CN 114670715 A CN114670715 A CN 114670715A CN 202111387535 A CN202111387535 A CN 202111387535A CN 114670715 A CN114670715 A CN 114670715A
- Authority
- CN
- China
- Prior art keywords
- heating
- battery
- state information
- air conditioner
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 247
- 238000000034 method Methods 0.000 title claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 239000002918 waste heat Substances 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- 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
- B60L58/27—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 heating
-
- 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
- B60H1/02—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant
- B60H1/04—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant from cooling liquid of the plant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
-
- 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
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
-
- 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
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention provides a heating control method and device for an electric automobile, and relates to the technical field of vehicle thermal management. The method comprises the following steps: acquiring state information of a battery and running state information of an air conditioner; the state information of the battery comprises the temperature of the battery, and the running state information of the air conditioner comprises the cold and warm opening state of the air conditioner; and sending a heating request to a motor auxiliary heating controller under the condition that at least one event of the temperature of the battery being lower than a preset value and the running state of the air conditioner being the starting of the warm air occurs. Receiving a heating request sent by a finished automobile thermal manager; generating a heating instruction according to the heating request; and sending the heating instruction to a motor auxiliary heating execution controller, wherein the heating instruction comprises a heating mode and heating power. According to the scheme provided by the invention, whether the battery and the passenger cabin need to be heated or not is determined by acquiring the states of the battery and the air conditioner, and the power performance of the motor is improved while the low-temperature energy consumption of the whole vehicle is reduced by utilizing the waste heat of the motor.
Description
Technical Field
The invention relates to the technical field of vehicle thermal management, in particular to a heating control method and device for an electric automobile.
Background
Since the driving motor and the braking system generate excessive heat in the operation process, but the part of heat is harmful and useless to the motor, the heat is cooled and dissipated through a motor heat exchanger, and the part of heat is not well utilized. When the outdoor temperature is low, the electric automobile needs to heat the power battery so that the temperature of the power battery is at a better operating temperature, and the member cabin also needs to start an air-conditioning warm air mode and consumes energy. Therefore, heat in the operation process of the motor is wasted or electric energy needs to be consumed to dissipate heat of the motor, and meanwhile, the electric energy needs to be consumed to heat the battery or the passenger compartment, so that energy waste is caused.
Disclosure of Invention
The embodiment of the invention provides a heating control method and device of an electric automobile, which are used for solving the problems that in the prior art, heat in the operation process of a motor is wasted or electric energy needs to be consumed to dissipate heat of the motor, and meanwhile, the electric energy needs to be consumed to heat a battery or a passenger compartment, so that energy is wasted.
In order to solve the technical problems, the invention adopts the following technical scheme:
the embodiment of the invention provides a heating control method of an electric automobile, which is applied to a whole automobile heat manager and comprises the following steps:
Acquiring state information of a battery and running state information of an air conditioner; the state information of the battery comprises the temperature of the battery, and the running state information of the air conditioner comprises the cold and warm opening state of the air conditioner;
and sending a heating request to a motor auxiliary heating controller under the condition that at least one event of the temperature of the battery being lower than a preset value and the running state of the air conditioner being the starting of the warm air occurs.
Further, the acquiring the state information of the battery and the operation state information of the air conditioner includes:
acquiring state information of a battery through a battery manager, wherein the state information of the battery further comprises the electric quantity and the running state of the battery and the heating capacity of a battery heater;
and acquiring the running state information of the air conditioner through an air conditioner manager, wherein the running state information of the air conditioner also comprises the temperature in the passenger compartment and the running temperature of the air conditioner.
The embodiment of the invention also provides a heating control method of the electric automobile, which is applied to the motor auxiliary heating controller and comprises the following steps:
receiving a heating request sent by a finished automobile thermal manager;
generating a heating instruction according to the heating request;
and sending the heating instruction to a motor auxiliary heating execution controller, wherein the heating instruction comprises a heating mode and heating power.
Further, the generating a heating instruction according to the heating request includes:
acquiring the state of the whole vehicle, the current state of a motor and the running state information of a water pump;
under the condition that a vehicle motor is electrified at high voltage and a battery is not in a charging working condition, acquiring state information of the battery and running state information of an air conditioner through the whole vehicle heat manager; the state information of the battery comprises the electric quantity of the battery;
and when the electric quantity of the battery is larger than a preset value, generating a heating instruction according to the state information of the battery, the running state information of the air conditioner and the running state information of the water pump.
Further, the state information of the battery also comprises the temperature and the running state of the battery and the heating capacity of the battery heater;
the operation state information of the air conditioner comprises the temperature in the passenger compartment, the cold and warm opening state of the air conditioner and the operation temperature of the air conditioner.
Further, the sending the heating instruction to a motor auxiliary heating execution controller includes:
under the condition that the temperature of the battery is greater than or equal to a first preset temperature and the temperature of the passenger compartment is greater than or equal to a second preset temperature, sending a heating instruction for heating the battery and the passenger compartment through a water pump to the motor auxiliary heating execution controller;
Under the condition that the temperature of the battery is less than a first preset temperature or the temperature of a passenger compartment is less than a second preset temperature, sending a heating instruction for heating at least one of the battery and the passenger compartment at full power through a motor to the motor auxiliary heating execution controller;
and under the condition that the temperature of the battery is less than a first preset temperature and the temperature of the passenger compartment is less than a second preset temperature, sending a heating instruction for heating the battery and the passenger compartment at full power through the motor to the motor auxiliary heating execution controller.
The embodiment of the invention also provides a heating control device of an electric automobile, which is applied to a finished automobile heat manager and comprises the following components:
the acquisition module is used for acquiring the state information of the battery and the running state information of the air conditioner; the state information of the battery comprises the temperature of the battery, and the running state information of the air conditioner comprises the cold and warm opening state of the air conditioner;
the first sending module is used for sending a heating request to the motor auxiliary heating controller under the condition that at least one event of the temperature of the battery is lower than a preset value and the running state of the air conditioner is that warm air is turned on occurs.
The embodiment of the invention also provides a heating control device of an electric automobile, which is applied to a motor auxiliary heating controller and comprises the following components:
The heating module is used for heating the finished automobile;
the generating module is used for generating a heating instruction according to the heating request;
and the second sending module is used for sending the heating instruction to the motor auxiliary heating execution controller, and the heating instruction comprises a heating mode and heating power.
An embodiment of the present invention further provides an electric vehicle, including: the heating control device for an electric vehicle described above.
The invention has the beneficial effects that:
according to the electric vehicle heating control method, whether the battery or the passenger compartment needs to be heated or not can be determined by acquiring the state information of the battery and the running state information of the air conditioner; the state information of the battery comprises the temperature of the battery, and the running state information of the air conditioner comprises the cold and warm opening state of the air conditioner. And sending a heating request to the motor auxiliary heating controller under the condition that at least one event of the temperature of the battery being lower than a preset value and the running state of the air conditioner being the starting of warm air occurs, and sending the heating request to the motor auxiliary heating controller when the battery and/or the passenger compartment are determined to be heated, so that the motor auxiliary heating controller generates a heating instruction. After receiving a heating request sent by a finished automobile heat manager, a motor auxiliary heating controller generates a heating instruction according to the heating request; and sending the heating instruction to a motor auxiliary heating execution controller, wherein the heating instruction comprises a heating mode and heating power, so that the motor auxiliary heating execution controller heats at least one of the battery or the passenger compartment according to the heating instruction. According to the scheme provided by the invention, whether the battery and the passenger cabin need to be heated or not is determined by acquiring the states of the battery and the air conditioner, and the power performance of the motor is improved while the low-temperature energy consumption of the whole vehicle is effectively reduced by utilizing the waste heat of the motor.
Drawings
FIG. 1 is a schematic flow chart illustrating a method for controlling heating of an electric vehicle according to an embodiment of the present invention;
FIG. 2 is a logic diagram of a heating control method for an electric vehicle according to an embodiment of the present invention;
FIG. 3 is a schematic flow chart of an electric vehicle heating control method according to an embodiment of the present invention;
FIG. 4 is a logic diagram of a heating control method for an electric vehicle according to an embodiment of the invention;
FIG. 5 is a schematic view of a heating control system of an electric vehicle according to an embodiment of the present invention;
FIG. 6 is a block diagram of an electric vehicle heating control apparatus according to an embodiment of the present invention;
fig. 7 is another block diagram of the heating control device for an electric vehicle according to the embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments. In the following description, specific details such as specific configurations and components are provided only to help the full understanding of the embodiments of the present invention. Thus, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the invention. In addition, descriptions of well-known functions and constructions are omitted for clarity and conciseness.
It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
The invention provides a heating control method and device for an electric automobile, aiming at the problems that in the prior art, heat in the operation process of a motor is wasted, or electric energy needs to be consumed to dissipate heat of the motor, and meanwhile, the electric energy needs to be consumed to heat a battery or a passenger compartment, so that energy is wasted.
As shown in fig. 1, an embodiment of the present invention provides a heating control method for an electric vehicle, which is applied to a vehicle thermal manager, and includes:
And 102, sending a heating request to a motor auxiliary heating controller under the condition that at least one event of the temperature of the battery is lower than a preset value and the running state of the air conditioner is that warm air is turned on occurs.
According to the electric vehicle heating control method, whether the battery or the passenger compartment needs to be heated or not can be determined by acquiring the state information of the battery and the running state information of the air conditioner; the state information of the battery comprises the temperature of the battery, and the running state information of the air conditioner comprises the cold and warm opening state of the air conditioner. And sending a heating request to the motor auxiliary heating controller under the condition that at least one event of the temperature of the battery being lower than a preset value and the running state of the air conditioner being the starting of warm air occurs, and sending the heating request to the motor auxiliary heating controller when the battery and/or the passenger compartment are determined to be heated, so that the motor auxiliary heating controller generates a heating instruction. According to the scheme provided by the invention, whether the battery and the passenger cabin need to be heated or not is determined by acquiring the states of the battery and the air conditioner, and the power performance of the motor is improved while the low-temperature energy consumption of the whole vehicle is effectively reduced by utilizing the waste heat of the motor.
Optionally, the acquiring the state information of the battery and the operation state information of the air conditioner includes:
acquiring state information of a battery through a battery manager, wherein the state information of the battery also comprises the electric quantity and the running state of the battery and the heating capacity of a battery heater;
the method comprises the steps that the running state information of the air conditioner is obtained through an air conditioner manager, and the running state information of the air conditioner further comprises the temperature in a passenger compartment and the running temperature of the air conditioner.
According to the heating control method of the electric automobile, whether the battery or the passenger compartment needs to be heated or not is judged by acquiring the battery state information and the running state information of the air conditioner. In the event that the battery or passenger compartment needs to be heated, a heating command is sent to the motor assist heating controller. The scheme of the invention enables the battery and the passenger compartment to be in a better temperature state.
A logic diagram of a heating control method of an electric vehicle according to an embodiment of the present invention is shown in fig. 3. Under the condition of communicating a new journey between the finished automobile heat controller and the motor auxiliary heating controller, the finished automobile heat manager judges whether the requirement of motor auxiliary heating exists according to the acquired state information of the battery and the operation state information of the air conditioner, and if the requirement exists, a heating request is sent to the motor auxiliary heating controller.
As shown in fig. 3, an embodiment of the present invention further provides a heating control method for an electric vehicle, which is applied to a motor auxiliary heating controller, and includes:
and 303, sending the heating instruction to a motor auxiliary heating execution controller, wherein the heating instruction comprises a heating mode and heating power.
According to the heating control method of the electric automobile, after the motor auxiliary heating controller receives a heating request sent by a finished automobile heat manager, a heating instruction is generated according to the heating request; and sending the heating instruction to a motor auxiliary heating execution controller, wherein the heating instruction comprises a heating mode and heating power, so that the motor auxiliary heating execution controller heats at least one of the battery or the passenger compartment according to the heating instruction. According to the scheme provided by the invention, whether the battery and the passenger cabin need to be heated or not is determined by acquiring the states of the battery and the air conditioner, and the power performance of the motor is improved while the low-temperature energy consumption of the whole vehicle is effectively reduced by utilizing the waste heat of the motor.
Optionally, the generating a heating instruction according to the heating request includes:
Acquiring the state of the whole vehicle, the current state of a motor and the running state information of a water pump;
under the condition that a vehicle motor is electrified at high voltage and a battery is not in a charging working condition, acquiring state information of the battery and running state information of an air conditioner through the whole vehicle heat manager; the state information of the battery comprises the electric quantity of the battery;
and when the electric quantity of the battery is larger than a preset value, generating a heating instruction according to the state information of the battery, the running state information of the air conditioner and the running state information of the water pump.
In addition, if the battery is in a charging state, the battery is charged while being heated by an external power supply, that is, when the battery is in the charging state, the battery or the passenger compartment does not need to be heated by the electric vehicle heating control method according to the embodiment of the present invention.
Optionally, the state information of the battery further includes a temperature of the battery, an operation state, and a heating capacity of the battery heater;
the operation state information of the air conditioner comprises the temperature in the passenger compartment, the cold and warm opening state of the air conditioner and the operation temperature of the air conditioner.
In an embodiment of the present invention, if the heating capacity of the battery heater can heat the battery to the preset temperature, the heating instruction does not include a heating instruction for heating the battery. And generating a heating instruction according to the temperature of the battery, the heating capacity of the battery heater, the temperature in the passenger compartment, the cold and warm opening state of the air conditioner and the running temperature of the air conditioner.
Optionally, the sending the heating instruction to a motor auxiliary heating execution controller includes:
under the condition that the temperature of the battery is greater than or equal to a first preset temperature and the temperature of the passenger compartment is greater than or equal to a second preset temperature, sending a heating instruction for heating the battery and the passenger compartment through a water pump to the motor auxiliary heating execution controller;
sending a heating instruction for heating at least one of the battery and the passenger compartment at full power through a motor to the motor auxiliary heating execution controller when the temperature of the battery is less than a first preset temperature or the temperature of the passenger compartment is less than a second preset temperature;
and under the condition that the temperature of the battery is less than a first preset temperature and the temperature of the passenger compartment is less than a second preset temperature, sending a heating instruction for heating the battery and the passenger compartment at full power through the motor to the motor auxiliary heating execution controller.
In an embodiment of the present invention, the heating instruction further includes:
controlling the opening and closing of the fan according to the heating instruction; and
and controlling the opening and closing of the motor water valve and the rotation direction of the motor water pump according to the heating instruction.
If the battery and the passenger compartment need to be heated, the fan is turned off, the water valve of the motor is controlled to be opened, and the rotation direction of the water pump of the motor is controlled, so that the water flows to the part needing to be heated.
Fig. 4 shows another logic diagram of the heating control method for an electric vehicle according to the embodiment of the invention. According to a received heating request sent by a heat manager of the whole vehicle, a motor heating auxiliary controller firstly judges whether communication with a motor heating auxiliary actuator is normal or not, and under the condition that the communication is normal, according to a heating instruction, an obtained whole vehicle state, a current state of a motor and running state information of a water pump, under the condition that the whole vehicle is electrified at high voltage and a battery is in a non-charging state, the heating instruction is generated, and the heating instruction is sent to the motor heating auxiliary actuator.
As shown in fig. 5, an embodiment of the present invention further provides a heating control system for an electric vehicle, including:
the system comprises a vehicle control unit, a motor heating auxiliary controller and a motor auxiliary heating actuator;
The vehicle control unit is connected with a battery manager BMS, an air conditioner manager and a motor heating auxiliary controller;
the motor auxiliary heating controller is connected with the battery manager and the motor auxiliary heating actuator;
the motor auxiliary heating actuator is connected with the motor, the motor water path heat exchange controller and the fan.
As shown in fig. 6, an embodiment of the present invention further provides a heating control device 600 for an electric vehicle, which is applied to a vehicle thermal manager, and includes:
an obtaining module 601, configured to obtain state information of a battery and operation state information of an air conditioner; the state information of the battery comprises the temperature of the battery, and the running state information of the air conditioner comprises the cold and warm opening state of the air conditioner;
the first sending module 602 is configured to send a heating request to the motor auxiliary heating controller when at least one of a temperature of the battery is lower than a preset value and an operation state of the air conditioner is that warm air is turned on occurs.
According to the electric vehicle heating control device provided by the embodiment of the invention, whether the battery or the passenger compartment needs to be heated can be determined by acquiring the state information of the battery and the running state information of the air conditioner; the state information of the battery comprises the temperature of the battery, and the running state information of the air conditioner comprises the cold and warm opening state of the air conditioner. And sending a heating request to the motor auxiliary heating controller under the condition that at least one event of the temperature of the battery being lower than a preset value and the running state of the air conditioner being the starting of warm air occurs, and sending the heating request to the motor auxiliary heating controller when the battery and/or the passenger compartment are determined to be heated, so that the motor auxiliary heating controller generates a heating instruction. According to the scheme provided by the invention, whether the battery and the passenger cabin need to be heated or not is determined by acquiring the states of the battery and the air conditioner, and the power performance of the motor is improved while the low-temperature energy consumption of the whole vehicle is effectively reduced by utilizing the waste heat of the motor.
As shown in fig. 7, an embodiment of the present invention further provides a heating control device 700 for an electric vehicle, which is applied to a motor-assisted heating controller, and includes:
a receiving module 701, configured to receive a heating request sent by a finished vehicle thermal manager;
a generating module 702, configured to generate a heating instruction according to the heating request;
and a second sending module 703, configured to send the heating instruction to a motor auxiliary heating execution controller, where the heating instruction includes a heating manner and a heating power.
According to the heating control device of the electric automobile, after the motor auxiliary heating controller receives a heating request sent by the whole automobile heat manager, a heating instruction is generated according to the heating request; and sending the heating instruction to a motor auxiliary heating execution controller, wherein the heating instruction comprises a heating mode and heating power, so that the motor auxiliary heating execution controller heats at least one of the battery or the passenger compartment according to the heating instruction. According to the scheme provided by the invention, whether the battery and the passenger cabin need to be heated or not is determined by acquiring the states of the battery and the air conditioner, and the power performance of the motor is improved while the low-temperature energy consumption of the whole vehicle is effectively reduced by utilizing the waste heat of the motor. An embodiment of the present invention further provides an electric vehicle, including: the heating control device for an electric vehicle described above.
While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the following claims.
Claims (9)
1. A heating control method of an electric automobile is applied to a whole automobile heat manager, and is characterized by comprising the following steps:
acquiring state information of a battery and running state information of an air conditioner; the state information of the battery comprises the temperature of the battery, and the running state information of the air conditioner comprises the cold and warm opening state of the air conditioner;
and sending a heating request to a motor auxiliary heating controller under the condition that at least one event of the temperature of the battery being lower than a preset value and the running state of the air conditioner being the starting of the warm air occurs.
2. The heating control method of the electric vehicle according to claim 1, wherein the acquiring of the state information of the battery and the operation state information of the air conditioner includes:
acquiring state information of a battery through a battery manager, wherein the state information of the battery also comprises the electric quantity and the running state of the battery and the heating capacity of a battery heater;
The method comprises the steps that the running state information of the air conditioner is obtained through an air conditioner manager, and the running state information of the air conditioner further comprises the temperature in a passenger compartment and the running temperature of the air conditioner.
3. A heating control method of an electric automobile is applied to a motor auxiliary heating controller and is characterized by comprising the following steps:
receiving a heating request sent by a finished automobile thermal manager;
generating a heating instruction according to the heating request;
and sending the heating instruction to a motor auxiliary heating execution controller, wherein the heating instruction comprises a heating mode and heating power.
4. The heating control method of an electric vehicle according to claim 3, wherein the generating a heating instruction according to the heating request includes:
acquiring the state of the whole vehicle, the current state of a motor and the running state information of a water pump;
under the condition that a vehicle motor is electrified at high voltage and a battery is not in a charging working condition, acquiring state information of the battery and running state information of an air conditioner through the whole vehicle heat manager; the state information of the battery comprises the electric quantity of the battery;
and when the electric quantity of the battery is larger than a preset value, generating a heating instruction according to the state information of the battery, the running state information of the air conditioner and the running state information of the water pump.
5. The heating control method of an electric vehicle according to claim 4, wherein the state information of the battery further includes a temperature of the battery, an operation state, and a heating capacity of a battery heater;
the operation state information of the air conditioner comprises the temperature in the passenger compartment, the cold and warm opening state of the air conditioner and the operation temperature of the air conditioner.
6. The heating control method of an electric vehicle according to claim 5, wherein the sending of the heating command to a motor auxiliary heating execution controller includes:
under the condition that the temperature of the battery is greater than or equal to a first preset temperature and the temperature of the passenger compartment is greater than or equal to a second preset temperature, sending a heating instruction for heating the battery and the passenger compartment through a water pump to the motor auxiliary heating execution controller;
sending a heating instruction for heating at least one of the battery and the passenger compartment at full power through a motor to the motor auxiliary heating execution controller when the temperature of the battery is less than a first preset temperature or the temperature of the passenger compartment is less than a second preset temperature;
and under the condition that the temperature of the battery is less than a first preset temperature and the temperature of the passenger compartment is less than a second preset temperature, sending a heating instruction for heating the battery and the passenger compartment at full power through the motor to the motor auxiliary heating execution controller.
7. The utility model provides an electric automobile's heating control device, is applied to whole car heat pipe reason ware which characterized in that includes:
the acquisition module is used for acquiring the state information of the battery and the running state information of the air conditioner; the state information of the battery comprises the temperature of the battery, and the running state information of the air conditioner comprises the cold and warm opening state of the air conditioner;
the first sending module is used for sending a heating request to the motor auxiliary heating controller under the condition that at least one event of the temperature of the battery is lower than a preset value and the running state of the air conditioner is that warm air is turned on.
8. The utility model provides an electric automobile's heating control device, is applied to motor auxiliary heating controller which characterized in that includes:
the receiving module is used for receiving a heating request sent by the finished automobile thermal manager;
the generating module is used for generating a heating instruction according to the heating request;
and the second sending module is used for sending the heating instruction to the motor auxiliary heating execution controller, and the heating instruction comprises a heating mode and heating power.
9. An electric vehicle, comprising: the heating control device of the electric vehicle according to claim 7 or the heating control device of the electric vehicle according to claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111387535.5A CN114670715B (en) | 2021-11-22 | 2021-11-22 | Heating control method and device for electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111387535.5A CN114670715B (en) | 2021-11-22 | 2021-11-22 | Heating control method and device for electric automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114670715A true CN114670715A (en) | 2022-06-28 |
| CN114670715B CN114670715B (en) | 2024-08-20 |
Family
ID=82070548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111387535.5A Active CN114670715B (en) | 2021-11-22 | 2021-11-22 | Heating control method and device for electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114670715B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024244203A1 (en) * | 2023-06-01 | 2024-12-05 | 东风汽车集团股份有限公司 | Control method and device for proportional three-way valve of thermal management system of pure electric vehicle |
| CN119305366A (en) * | 2024-12-16 | 2025-01-14 | 东风汽车集团股份有限公司 | Air conditioning energy saving control method, device, equipment and storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200071164A (en) * | 2018-12-10 | 2020-06-19 | 쌍용자동차 주식회사 | The method for high voltage battery cooling system of electric vehicle |
| CN112389162A (en) * | 2020-11-25 | 2021-02-23 | 中国第一汽车股份有限公司 | Whole car thermal management system of new energy automobile |
| CN112406632A (en) * | 2020-11-04 | 2021-02-26 | 东风汽车集团有限公司 | A method and system for thermal management of electric vehicle |
| CN213199395U (en) * | 2020-03-26 | 2021-05-14 | 西安真铎科技有限公司 | Composite heat management device for electric vehicle |
| CN113276629A (en) * | 2021-06-22 | 2021-08-20 | 东风汽车集团股份有限公司 | Electric vehicle motor waste heat utilization system and control method thereof |
-
2021
- 2021-11-22 CN CN202111387535.5A patent/CN114670715B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200071164A (en) * | 2018-12-10 | 2020-06-19 | 쌍용자동차 주식회사 | The method for high voltage battery cooling system of electric vehicle |
| CN213199395U (en) * | 2020-03-26 | 2021-05-14 | 西安真铎科技有限公司 | Composite heat management device for electric vehicle |
| CN112406632A (en) * | 2020-11-04 | 2021-02-26 | 东风汽车集团有限公司 | A method and system for thermal management of electric vehicle |
| CN112389162A (en) * | 2020-11-25 | 2021-02-23 | 中国第一汽车股份有限公司 | Whole car thermal management system of new energy automobile |
| CN113276629A (en) * | 2021-06-22 | 2021-08-20 | 东风汽车集团股份有限公司 | Electric vehicle motor waste heat utilization system and control method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024244203A1 (en) * | 2023-06-01 | 2024-12-05 | 东风汽车集团股份有限公司 | Control method and device for proportional three-way valve of thermal management system of pure electric vehicle |
| CN119305366A (en) * | 2024-12-16 | 2025-01-14 | 东风汽车集团股份有限公司 | Air conditioning energy saving control method, device, equipment and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114670715B (en) | 2024-08-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110116613B (en) | charging system | |
| US9352635B1 (en) | Energy control mechanisms for an electric vehicle | |
| JP4715708B2 (en) | Electric vehicle and vehicle charging system | |
| WO2023005974A1 (en) | Automobile thermal management system | |
| CN110978945B (en) | Range-extending type heat pipe system of electric vehicle and method thereof | |
| EP3623198B1 (en) | Power battery cooling system and method based on solar sunroof | |
| CN111716995A (en) | Heating system and method for air conditioner and power battery of electric automobile and electric automobile | |
| JP6183133B2 (en) | Battery warm-up system | |
| CN111347928A (en) | Vehicle and power battery temperature control device thereof | |
| CN113246800A (en) | Thermal management system of fuel cell automobile | |
| JP2013141337A (en) | Controller for vehicle and vehicle including the same | |
| CN113954601A (en) | Heat management system of new energy electric automobile | |
| CN112103532A (en) | Integrated thermal management control method for hydrogen energy automobile | |
| CN112238733A (en) | Electric automobile heat regulation and control system | |
| CN113135119A (en) | Heat management device, device and electric vehicle | |
| JP4930270B2 (en) | Vehicle and heat exchange system | |
| CN112026508B (en) | Control method for cooling fan of extended range electric vehicle | |
| CN213291917U (en) | Motor electronic control waste heat utilization device and electric automobile | |
| CN114771205B (en) | Low-temperature charging and heating system of electric vehicle and control method thereof | |
| CN114670715B (en) | Heating control method and device for electric automobile | |
| CN115723632A (en) | Temperature control device and temperature control method for electric automobile | |
| CN112319174A (en) | Thermal management system for extended range automobile and extended range automobile | |
| CN113942366B (en) | Cold-hot circulating system of front-and-back double-motor electric automobile and control method | |
| CN202623847U (en) | Whole vehicle thermal management controller of new energy automobile | |
| CN112721569B (en) | Braking energy catcher for improving heating of hydrogen fuel cell automobile and heating method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |