CN108511840B - New energy automobile battery temperature management system and control method - Google Patents

New energy automobile battery temperature management system and control method Download PDF

Info

Publication number
CN108511840B
CN108511840B CN201810118427.XA CN201810118427A CN108511840B CN 108511840 B CN108511840 B CN 108511840B CN 201810118427 A CN201810118427 A CN 201810118427A CN 108511840 B CN108511840 B CN 108511840B
Authority
CN
China
Prior art keywords
temperature
battery
battery pack
management system
value
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.)
Active
Application number
CN201810118427.XA
Other languages
Chinese (zh)
Other versions
CN108511840A (en
Inventor
于文尚
张培贤
仝义金
孟国庆
孙海强
刘鑫明
周后昌
席玉廷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongtong Bus Holding Co Ltd
Original Assignee
Zhongtong Bus Holding Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhongtong Bus Holding Co Ltd filed Critical Zhongtong Bus Holding Co Ltd
Priority to CN201810118427.XA priority Critical patent/CN108511840B/en
Publication of CN108511840A publication Critical patent/CN108511840A/en
Application granted granted Critical
Publication of CN108511840B publication Critical patent/CN108511840B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • 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
    • 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
    • H01M10/615—Heating or keeping warm
    • 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
    • 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
    • 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
    • H01M10/633—Control systems characterised by algorithms, flow charts, software details or the like
    • 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
    • H01M10/6561—Gases
    • H01M10/6563—Gases with forced flow, e.g. by blowers
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • 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)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Automation & Control Theory (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Secondary Cells (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The application discloses a new energy automobile battery temperature management system and a control method, wherein the system comprises an electromagnetic valve, a battery temperature management system, an ECU (electronic control unit), a BMS (battery management System), a battery compartment, a battery pack arranged in the battery compartment, a fan and a warm air water tank, wherein one end of the electromagnetic valve is connected with a water intake on an engine cylinder body through a water pipe, the other end of the electromagnetic valve is connected with a water inlet of the warm air water tank, a water outlet of the warm air water tank is connected with a water return port on the engine cylinder body through a water pipe, the ECU acquires the temperature of engine cooling liquid from a cooling liquid temperature sensor and transmits the temperature to the battery temperature management system, and the BMS acquires the temperature inside the battery pack from the battery pack temperature sensor and transmits the temperature to the battery temperature management system; and the battery temperature management system controls the electromagnetic valve and the fan to work according to the received engine temperature and the temperature of the battery pack. The application can ensure that the battery compartment is at normal ambient temperature and ensure the normal operation of the whole vehicle.

Description

New energy automobile battery temperature management system and control method
Technical Field
The application relates to the technical field of new energy automobiles, in particular to a new energy automobile battery temperature management system and a control method.
Background
In recent years, with the continuous development of new energy automobile technology, hybrid electric buses are increasingly favored by various factories and clients due to the characteristics of low oil consumption, low emission, stable performance and the like. The hybrid electric bus is provided with two power sources of an engine and a motor, and is divided into an engine-only mode, an electric-only operating mode and a hybrid power mode according to different using conditions, and a power battery is needed to supply power to the motor in the electric-only operating mode. Under some extreme environmental conditions, when the temperature is too high or too low, the charge and discharge characteristics of the power battery are drastically reduced, thereby reducing the working efficiency and the service life of the power battery. In addition, for some vehicles that are matched to a transmission without a reverse function, the reverse function can only be achieved by reversing the motor. However, under the extreme environment condition, the power battery cannot ensure normal power supply to the motor, so that the vehicle cannot realize the reverse gear function, and the running condition of the whole vehicle is seriously influenced.
Therefore, how to design a new energy automobile battery temperature management system and a control method is a problem which needs to be solved by the technicians in the field.
Disclosure of Invention
In order to overcome the defects in the prior art, the application provides a new energy automobile battery temperature management system and a control method, which can enable a battery compartment to be at a normal environment temperature and ensure the normal operation of the whole automobile.
The technical scheme adopted by the application is as follows:
the battery temperature control system of the new energy automobile comprises an electromagnetic valve, a battery temperature management system, an ECU (electronic control unit), a BMS (battery management system), a battery bin, a battery pack, a fan and a warm air water tank, wherein the battery pack, the fan and the warm air water tank are arranged in the battery bin; and the battery temperature management system controls the electromagnetic valve and the fan to work according to the received engine temperature and the temperature of the battery pack.
Further, the battery temperature management system also comprises an environment temperature sensor, wherein the environment temperature sensor is connected with the battery temperature management system and is used for collecting the external environment temperature and transmitting the external environment temperature to the battery temperature management system.
Further, the battery temperature management system comprises a first temperature receiving module, a second temperature receiving module, a third temperature receiving module, a single chip microcomputer control module, a first action executing module, a second action executing module and a third action executing module, wherein the first temperature receiving module is used for receiving the temperature of engine cooling liquid acquired by an ECU (electronic control unit) and transmitting the temperature to the single chip microcomputer control module, and the second temperature receiving module is used for receiving the external environment temperature acquired by an environment temperature sensor and transmitting the external environment temperature to the single chip microcomputer control module; the third temperature receiving module is used for receiving the internal temperature of the battery pack acquired by the BMS and transmitting the internal temperature to the singlechip control module; after the single chip microcomputer control module analyzes and judges the received engine cooling liquid temperature, the external environment temperature and the internal temperature of the battery pack, the first action execution module controls the electromagnetic valve switch, the second action execution module controls the fan switch, and the third action execution module controls the change-over of the cooling and heating switch.
Further, a cold-warm switch is arranged in the battery compartment and is connected with the battery temperature management system for controlling the warm air water tank to heat or refrigerate.
The new energy automobile battery temperature control method is characterized by comprising the following steps:
step 1: collecting the temperature of engine cooling liquid from a cooling liquid temperature sensor through an ECU, and collecting the temperature inside a battery pack from a battery pack temperature sensor through a BMS; collecting the external environment temperature through an environment temperature sensor;
step 2: the battery temperature management system compares the temperature value in the battery pack acquired in the step 1 with a battery pack temperature standard value, and judges whether the temperature value in the battery pack is within the battery pack temperature standard value range;
step 3: if the temperature value inside the battery pack is not within the standard value range of the battery pack temperature, the battery temperature management system controls the electromagnetic valve and the fan to work.
Further, in the step 3, if the temperature value inside the battery pack is within the standard value range of the battery pack temperature, the battery temperature management system controls the electromagnetic valve and the fan to work, and the method comprises the following steps:
step 3.1: if the temperature value in the battery pack is lower than the minimum value in the range of the temperature standard value of the battery pack, the battery temperature management system controls the electromagnetic valve and the fan to be opened and the cold-warm switch to be warmed, and the battery pack is heated;
step 3.2: if the temperature value inside the battery pack is higher than the maximum value in the range of the battery pack temperature standard value, the battery temperature management system controls the electromagnetic valve to be closed, the fan to be started and the cold-warm switch to be cooled, and the battery pack is cooled.
Further, if the temperature value inside the battery pack is lower than the minimum value in the range of the battery pack temperature standard value, the battery temperature management system controls the electromagnetic valve and the fan to be opened and the cold-warm switch to be warmed, and the battery pack is heated, and the battery pack heating system comprises:
if the temperature value inside the battery pack is lower than the minimum value in the range of the battery pack temperature standard value, judging whether the temperature of the engine cooling liquid is higher than the cooling liquid temperature standard value;
if the temperature of the engine coolant is higher than the coolant temperature standard value, the battery temperature management system controls the electromagnetic valve to be opened, and the fan and the cold-warm switch to be started to warm;
the high-temperature cooling liquid in the engine cylinder body is conveyed into the warm air water tank through the water intake, and after the air blown by the fan passes through the warm air water tank to be heated, the battery pack is heated;
when the temperature inside the battery pack rises to be the same as the external environment temperature value, the battery temperature management system controls the electromagnetic valve to be disconnected, the fan is closed, and the battery pack is stopped being heated. The battery compartment is ensured to be in a normal working environment.
Further, if the inside temperature value of battery package is higher than the maximum value in battery package temperature standard value range, battery temperature management system control solenoid valve closes, starts the fan and changes in temperature switch and beat cold, carries out cooling treatment to the battery package, includes:
if the temperature value in the battery pack is higher than the maximum value in the range of the battery pack temperature standard value, the battery temperature management system controls the electromagnetic valve to be closed, the fan is started, and the cold-warm switch is started to cool, so that the battery pack is cooled;
when the temperature inside the battery pack is reduced to be the same as the external environment temperature value, the battery temperature management system controls the fan to be closed, and cooling of the battery pack is stopped. The battery compartment is ensured to be in a normal working environment.
Further, the battery pack temperature standard value range is: 0-40 ℃.
Compared with the prior art, the application has the beneficial effects that:
(1) The application can ensure that the battery system is at normal working environment temperature;
(2) The application ensures that the new energy automobile can normally run in the limit environment;
(3) The application ensures the working efficiency and the service life of the power battery;
(4) The battery temperature management system adopted by the application is a battery compartment temperature control system which is independently researched and developed;
(5) The water intake is arranged on the cylinder body, so that the influence caused by the large and small circulation of the cooling liquid can be avoided, and the heating effect is better.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application.
FIG. 1 is a block diagram of a battery temperature control system for a new energy automobile according to an embodiment of the present application;
wherein, 1, an engine, 2, a water intake, 3, a water return, 4, an ECU,5, a battery temperature management system, 6, an electromagnetic valve, 7 and a battery bin, 8, BMS,9, warm air water tank, 10, fan, 11, cold and warm switch, 12, battery package, 13, ambient temperature sensor.
Detailed Description
The application will be further described with reference to the drawings and examples.
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
As described in the background art, in the prior art, under the limit environmental condition, the power battery cannot ensure normal power supply to the motor, so that the vehicle cannot realize the reverse gear function, and the running condition of the whole vehicle is seriously affected, and in order to solve the technical problems, the application provides a new energy automobile battery temperature control system and a new energy automobile battery temperature control method.
As shown in fig. 1, the present embodiment provides a new energy automobile battery temperature control system, which includes a solenoid valve 6, a battery temperature management system 5, an ECU4, a BMS8, an ambient temperature sensor 13, a battery compartment 7, and a battery pack 12, a blower 10, a cooling and heating switch 11 and a warm air water tank 9 disposed in the battery compartment, wherein the battery temperature management system 5 is respectively connected with the solenoid valve 6, the BMS4, the ECU8, the ambient temperature sensor 13, the blower 10 and the cooling and heating switch 11. In this embodiment, the BMS4 and the ECU8 respectively adopt a structure in the prior art, which is not described in detail in the present application.
One end of the electromagnetic valve 6 is connected with the water intake 2 on the cylinder body of the engine 1 through a water pipe, the other end of the electromagnetic valve is connected with the water inlet of the warm air water tank 9, the water outlet of the warm air water tank 9 is connected with the water return port 3 on the cylinder body of the engine through a water pipe, the ECU4 collects the temperature of engine cooling liquid from a cooling liquid temperature sensor and transmits the temperature to the battery temperature management system 5, and the BMS8 collects the temperature inside the battery pack from the battery pack temperature sensor and transmits the temperature to the battery temperature management system 5; the ambient temperature sensor 13 is used for collecting the external ambient temperature and transmitting the external ambient temperature to the battery temperature management system 5; the battery temperature management system 5 controls the electromagnetic valve 6, the fan 10 and the cold-warm switch 11 according to the received engine temperature and the temperature of the battery pack, and controls the warm air water tank 9 to heat or refrigerate through the cold-warm switch 11. Thereby ensuring that the battery compartment is within a normal ambient temperature range.
In this embodiment, the battery temperature management system 5 includes a first temperature receiving module, a second temperature receiving module, a third temperature receiving module, a single-chip microcomputer control module, a first action executing module, a second action executing module, and a third action executing module, where the first temperature receiving module is configured to receive an engine coolant temperature collected by the ECU and transmit the engine coolant temperature to the single-chip microcomputer control module, and the second temperature receiving module is configured to receive an external environment temperature collected by the environmental temperature sensor and transmit the external environment temperature to the single-chip microcomputer control module; the third temperature receiving module is used for receiving the internal temperature of the battery pack acquired by the BMS and transmitting the internal temperature to the singlechip control module; after the single chip microcomputer control module analyzes and judges the received engine cooling liquid temperature, the external environment temperature and the internal temperature of the battery pack, the first action execution module controls the electromagnetic valve switch, the second action execution module controls the fan switch, and the third action execution module controls the change-over of the cooling and heating switch.
Another embodiment of the present application provides a new energy automobile battery temperature control method, including the following steps:
step 1: collecting the temperature of engine cooling liquid from a cooling liquid temperature sensor through an ECU, and collecting the temperature inside a battery pack from a battery pack temperature sensor through a BMS; and collecting the external environment temperature through an environment temperature sensor.
Step 2: and (3) comparing the temperature value in the battery pack acquired in the step (1) with a battery pack temperature standard value by the battery temperature management system, and judging whether the temperature value in the battery pack is within the battery pack temperature standard value range.
Step 3: if the temperature value inside the battery pack is not within the standard value range of the battery pack temperature, the battery temperature management system controls the electromagnetic valve and the fan to work.
In the process of executing the step 3, the following mode is adopted:
if the temperature value inside the battery pack is lower than the minimum value T1 in the range of the battery pack temperature standard value, judging whether the temperature of the engine cooling liquid is higher than the cooling liquid temperature standard value; if the temperature of the engine coolant is higher than the coolant temperature standard value T2, the battery temperature management system controls the electromagnetic valve to be opened, the fan is started, and the cold-warm switch is started to warm; the high-temperature cooling liquid in the engine cylinder body is conveyed into the warm air water tank through the water intake, and after the air blown by the fan passes through the warm air water tank and is heated, the battery pack is heated. When the temperature inside the battery pack rises to a certain extent to be more than T3 and the external environment temperature is more than T4, the battery temperature management system controls the electromagnetic valve to be disconnected, the fan is closed, and the battery pack is stopped being heated. The battery compartment is ensured to be at the normal working environment temperature.
If the temperature value in the battery pack is higher than the maximum value T5 in the range of the standard temperature value of the battery pack, the battery temperature management system controls the electromagnetic valve to be closed, the fan to be started and the cold-warm switch to be cooled, so that the battery pack is cooled; when the temperature inside the battery pack is reduced to a degree less than T6 and the ambient temperature is less than T7, the battery temperature management system controls the fan to be closed, and cooling of the battery pack is stopped. The battery pack is ensured to be in a normal working environment.
While the foregoing description of the embodiments of the present application has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the application, but rather, it is intended to cover all modifications or variations within the scope of the application as defined by the claims of the present application.

Claims (9)

1. The battery temperature control system of the new energy automobile is characterized by comprising an electromagnetic valve, a battery temperature management system, an ECU, a BMS, a battery bin, a battery pack, a fan and a warm air water tank, wherein the battery pack, the fan and the warm air water tank are arranged in the battery bin; the battery temperature management system controls the electromagnetic valve and the fan to work according to the received engine temperature and the temperature of the battery pack;
if the temperature value in the battery pack is lower than the minimum value in the range of the temperature standard value of the battery pack, the battery temperature management system controls the electromagnetic valve and the fan to be opened and the cold-warm switch to be warmed, and the battery pack is heated; the method specifically comprises the following steps: if the temperature value inside the battery pack is lower than the minimum value in the range of the battery pack temperature standard value, judging whether the temperature of the engine cooling liquid is higher than the cooling liquid temperature standard value;
if the temperature of the engine coolant is higher than the coolant temperature standard value, the battery temperature management system controls the electromagnetic valve to be opened, and the fan and the cold-warm switch to be started to warm;
the high-temperature cooling liquid in the engine cylinder body is conveyed into the warm air water tank through the water intake, and after the air blown by the fan passes through the warm air water tank to be heated, the battery pack is heated;
when the temperature inside the battery pack rises to be the same as the external environment temperature value, the battery temperature management system controls the electromagnetic valve to be disconnected, the fan is closed, and the battery pack is stopped being heated;
if the temperature value inside the battery pack is higher than the maximum value in the range of the battery pack temperature standard value, the battery temperature management system controls the electromagnetic valve to be closed, the fan to be started and the cold-warm switch to be cooled, and the battery pack is cooled.
2. The battery temperature control system of the new energy automobile according to claim 1, further comprising an ambient temperature sensor, wherein the ambient temperature sensor is connected with the battery temperature management system, and is used for collecting an external ambient temperature and transmitting the external ambient temperature to the battery temperature management system.
3. The battery temperature control system of the new energy automobile according to claim 1, wherein the battery temperature management system comprises a first temperature receiving module, a second temperature receiving module, a third temperature receiving module, a single chip microcomputer control module, a first action execution module, a second action execution module and a third action execution module, wherein the first temperature receiving module is used for receiving the temperature of engine cooling liquid collected by the ECU, transmitting the temperature to the single chip microcomputer control module, and the second temperature receiving module is used for receiving the external environment temperature collected by an environment temperature sensor, and transmitting the temperature to the single chip microcomputer control module; the third temperature receiving module is used for receiving the internal temperature of the battery pack acquired by the BMS and transmitting the internal temperature to the singlechip control module; after the single chip microcomputer control module analyzes and judges the received engine cooling liquid temperature, the external environment temperature and the internal temperature of the battery pack, the first action execution module controls the electromagnetic valve switch, the second action execution module controls the fan switch, and the third action execution module controls the change-over of the cooling and heating switch.
4. The battery temperature control system of the new energy automobile according to claim 1, wherein a cold-warm switch is further arranged in the battery compartment, and the cold-warm switch is connected with the battery temperature management system and used for controlling the warm air water tank to heat or refrigerate.
5. A control method using the new energy automobile battery temperature control system according to any one of claims 1 to 4, characterized by comprising the steps of:
step 1: collecting the temperature of engine cooling liquid from a cooling liquid temperature sensor through an ECU, and collecting the temperature inside a battery pack from a battery pack temperature sensor through a BMS; collecting the external environment temperature through an environment temperature sensor;
step 2: the battery temperature management system compares the temperature value in the battery pack acquired in the step 1 with a battery pack temperature standard value, and judges whether the temperature value in the battery pack is within the battery pack temperature standard value range;
step 3: if the temperature value inside the battery pack is not within the standard value range of the battery pack temperature, the battery temperature management system controls the electromagnetic valve and the fan to work.
6. The control method of the battery temperature control system for the new energy automobile according to claim 5, wherein in the step 3, if the temperature value inside the battery pack is within the standard value range of the battery pack temperature, the battery temperature management system controls the operation of the electromagnetic valve and the fan, comprising the steps of:
step 3.1: if the temperature value in the battery pack is lower than the minimum value in the range of the temperature standard value of the battery pack, the battery temperature management system controls the electromagnetic valve and the fan to be opened and the cold-warm switch to be warmed, and the battery pack is heated;
step 3.2: if the temperature value inside the battery pack is higher than the maximum value in the range of the battery pack temperature standard value, the battery temperature management system controls the electromagnetic valve to be closed, the fan to be started and the cold-warm switch to be cooled, and the battery pack is cooled.
7. The control method for using the battery temperature control system of the new energy automobile according to claim 6, wherein if the temperature value inside the battery pack is lower than the minimum value within the range of the standard battery pack temperature value, the battery temperature management system controls the solenoid valve, the fan to be turned on and the cooling and heating switch to be warmed up, and the battery pack is heated, comprising:
if the temperature value inside the battery pack is lower than the minimum value in the range of the battery pack temperature standard value, judging whether the temperature of the engine cooling liquid is higher than the cooling liquid temperature standard value;
if the temperature of the engine coolant is higher than the coolant temperature standard value, the battery temperature management system controls the electromagnetic valve to be opened, and the fan and the cold-warm switch to be started to warm;
the high-temperature cooling liquid in the engine cylinder body is conveyed into the warm air water tank through the water intake, and after the air blown by the fan passes through the warm air water tank to be heated, the battery pack is heated;
when the temperature inside the battery pack rises to be the same as the external environment temperature value, the battery temperature management system controls the electromagnetic valve to be disconnected, the fan is closed, and the battery pack is stopped being heated.
8. The control method for using the battery temperature control system of the new energy automobile according to claim 6, wherein if the temperature value inside the battery pack is higher than the maximum value within the range of the standard battery pack temperature value, the battery temperature management system controls the solenoid valve to be turned off, the blower to be started and the cooling and heating switch to be cooled, and performs the cooling treatment on the battery pack, comprising:
if the temperature value in the battery pack is higher than the maximum value in the range of the battery pack temperature standard value, the battery temperature management system controls the electromagnetic valve to be closed, the fan is started, and the cold-warm switch is started to cool, so that the battery pack is cooled;
when the temperature inside the battery pack is reduced to be the same as the external environment temperature value, the battery temperature management system controls the fan to be closed, and cooling of the battery pack is stopped.
9. The control method for using the new energy automobile battery temperature control system according to claim 6, wherein the battery pack temperature standard value range is: 0-40 ℃.
CN201810118427.XA 2018-02-06 2018-02-06 New energy automobile battery temperature management system and control method Active CN108511840B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810118427.XA CN108511840B (en) 2018-02-06 2018-02-06 New energy automobile battery temperature management system and control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810118427.XA CN108511840B (en) 2018-02-06 2018-02-06 New energy automobile battery temperature management system and control method

Publications (2)

Publication Number Publication Date
CN108511840A CN108511840A (en) 2018-09-07
CN108511840B true CN108511840B (en) 2023-12-08

Family

ID=63375500

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810118427.XA Active CN108511840B (en) 2018-02-06 2018-02-06 New energy automobile battery temperature management system and control method

Country Status (1)

Country Link
CN (1) CN108511840B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110838603B (en) * 2019-11-12 2022-07-05 淮安信息职业技术学院 Intelligent management system and method for electric quantity and temperature of electric vehicle battery

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201741732U (en) * 2010-05-28 2011-02-09 长城汽车股份有限公司 Device being capable of improving service performance of automobile power battery pack
CN205686124U (en) * 2016-05-10 2016-11-16 力帆实业(集团)股份有限公司 Air conditioning for automobiles cold air adjusting means
JP2017040443A (en) * 2015-08-20 2017-02-23 伊藤　彰 Cool air and warm air blower

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201741732U (en) * 2010-05-28 2011-02-09 长城汽车股份有限公司 Device being capable of improving service performance of automobile power battery pack
JP2017040443A (en) * 2015-08-20 2017-02-23 伊藤　彰 Cool air and warm air blower
CN205686124U (en) * 2016-05-10 2016-11-16 力帆实业(集团)股份有限公司 Air conditioning for automobiles cold air adjusting means

Also Published As

Publication number Publication date
CN108511840A (en) 2018-09-07

Similar Documents

Publication Publication Date Title
CN107097664B (en) Intelligent multi-loop electric automobile thermal management system
CN101913314B (en) Electric automobile air-conditioning system and control method thereof
CN104709033B (en) Hybrid power automobile, air conditioner system of hybrid power automobile, and control method of air conditioner system
CN108725134B (en) Thermal management system of new energy automobile, adjusting method of thermal management system and new energy automobile
CN205395697U (en) Electrified hot management function's in pond vehicle air conditioning system
CN211765062U (en) Battery thermal management system for extended range vehicle
CN111137105A (en) Integrated thermal management control system for whole new energy automobile and control method thereof
CN113954601B (en) Heat management system of new energy electric automobile
CN112455288B (en) Thermal management system of extended-range hybrid electric vehicle
CN112103532A (en) Integrated thermal management control method for hydrogen energy automobile
CN115257302A (en) Integrated thermal management module with ten-way valve and vehicle
CN216002113U (en) Pure electric vehicles cooling system based on VCU
CN108511840B (en) New energy automobile battery temperature management system and control method
CN113135089A (en) Electric vehicle cooling system and control method thereof
CN216002118U (en) Thermal management system of extended-range hybrid vehicle and vehicle
CN212555737U (en) Whole car integral type thermal management control system of new energy automobile
CN110001348A (en) A kind of automobile air conditioner control system
CN214984718U (en) New energy automobile heat rationalization utilizes system
CN109339931A (en) Hybrid vehicle cooling system and hybrid vehicle
CN210390731U (en) Whole car cooling system of electric automobile
CN208515412U (en) A kind of positive temperature coefficient heater and new-energy automobile for new-energy automobile
CN111591126A (en) Electric automobile radiator cooling system, control method thereof and electric automobile
CN113958433B (en) Hybrid vehicle type intercooler system and control method
CN113895378B (en) Thermal management control method and device, storage medium and thermal management system
CN218640647U (en) Automatic drive vehicle thermal management system and automatic drive vehicle

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
CB02 Change of applicant information
CB02 Change of applicant information

Address after: 252000 No.261 Huanghe Road, economic development zone, Liaocheng City, Shandong Province

Applicant after: Zhongtong bus Limited by Share Ltd.

Address before: 252000 No.261 Huanghe Road, economic development zone, Liaocheng City, Shandong Province

Applicant before: ZHONGTONG BUS HOLDING Co.,Ltd.

GR01 Patent grant
GR01 Patent grant