CN106532178B - Battery pack temperature control equipment and temprature control method and vehicle - Google Patents

Battery pack temperature control equipment and temprature control method and vehicle Download PDF

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Publication number
CN106532178B
CN106532178B CN201610974824.8A CN201610974824A CN106532178B CN 106532178 B CN106532178 B CN 106532178B CN 201610974824 A CN201610974824 A CN 201610974824A CN 106532178 B CN106532178 B CN 106532178B
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China
Prior art keywords
temperature
module
liquid
battery pack
battery
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CN201610974824.8A
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Chinese (zh)
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CN106532178A (en
Inventor
朱冬清
封云
陈雨
张辉
张新义
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BAIC Motor Co Ltd
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BAIC Motor Co Ltd
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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
    • 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
    • H01M10/635—Control systems based on ambient temperature
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Secondary Cells (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The invention discloses a kind of battery pack temperature control equipment, which includes cell packet module, air heating module, heat exchange refrigerating module, temperature control medium switching module, temperature sensing module and control module, wherein cell packet module includes battery backpack body；Air heating module is for heating air and recycling hot-air between air heating module and battery backpack body by gas piping；Heat exchange refrigerating module is used to control coolant liquid and is recycled between heat exchange refrigerating module and battery backpack body by liquid line and cool down the coolant liquid；Temperature control medium switching mould is used to switch the type of the intracorporal temperature control medium of battery pack；Temperature sensing module is for detecting environment temperature locating for cell packet module；Control module controls air heating module, heat exchange refrigerating module and temperature control medium switching module according to environment temperature.The device, adjustable battery pack work in preference temperature, extend battery life.Invention additionally discloses a kind of battery pack temprature control method and vehicles.

Description

Battery pack temperature control equipment and temprature control method and vehicle
Technical field
The invention belongs to technical field of vehicle more particularly to a kind of battery pack temperature control equipment and battery pack temperature Control method and vehicle including the battery pack temperature control equipment.
Background technique
With getting worse for current traditional energy crisis and environmental pollution, using new energy as the electronic vapour of power Vehicle development increasingly attracts people's attention, the sole power energy of the power battery as pure electric automobile, service life and work Performance influenced by different geographical and environment temperature it is very big, such as under high temperature environment charge and discharge when, it is irreversible in inside battery Reactant formation speed is accelerated, and this irreversible reactant leads to the reduction of battery active volume, when battery is using capacity When decaying to the 60% of battery rated capacity, battery life termination；When battery charge and discharge at low ambient temperatures, the internal resistance of battery Increase, cause efficiency for charge-discharge to reduce, can discharge capacity reduce, cell output voltage reduce, influence load normal work, and There is certain damage to battery itself.Therefore, have to the exploitation of the thermal characteristics of batteries of electric automobile and heat management system important Meaning and value.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.
For this purpose, the present invention needs to propose a kind of battery pack temperature control equipment, the adjustable battery of the temperature control equipment Packet works in preference temperature, reduces battery loss and extends its service life.
The present invention also proposes a kind of battery pack temprature control method and the vehicle including the battery pack temperature control equipment.
To solve the above-mentioned problems, the battery pack temperature control equipment of one aspect of the present invention, comprising: cell packet module, institute Stating cell packet module includes battery backpack body, and accommodation space is limited in the battery pack body, is accommodated in the accommodation space more A battery cell can flow through temperature control medium around each battery cell；Air heating module, the air heating module pass through Gas piping is connected with the cell packet module, for heating air, and makes hot-air by the gas piping described It is recycled between air heating module and the battery backpack body；Heat exchange refrigerating module, the heat exchange refrigerating module pass through liquid Pipeline is connected with the cell packet module, for control coolant liquid by the liquid line the heat exchange refrigerating module with Circulation and the cooling coolant liquid between the battery backpack body；Temperature control medium switching module, the temperature control medium switching module with The cell packet module is connected, for switching the type of the intracorporal temperature control medium of the battery pack；Temperature sensing module, for examining Survey environment temperature locating for cell packet module；Control module, for according to the environment temperature control the air heating module, The heat exchange refrigerating module and the temperature control medium switching module are to adjust the temperature of temperature control medium in the battery pack body.
The battery pack temperature control equipment of the embodiment of the present invention, the control of control module environment temperature according to locating for vehicle are empty Gas heating module, heat exchange refrigerating module and temperature control medium switching module realize the adjusting to battery pack temperature, not by region And the influence of the variation of ambient temperature improves working performance so that battery cell is in suitable temperature range, reduces Damage and extension service life.
In some embodiments of the invention, the cell packet module further include: first medium pipeline, the first medium The first pipeline valve is arranged in the first end of pipeline, and first pipeline valve is connect with one end of first gas branch, and described first is situated between The second pipeline valve is arranged in the second end of matter pipeline, and second pipeline valve is connect with one end of the first liquid branch, and described first The third end of medium pipeline is connected to the battery backpack body；Second medium pipeline, the first end setting of the second medium pipeline Third pipeline valve, the third pipeline valve are connect with one end of second gas branch, and the second end of the second medium pipeline is set The 4th pipeline valve is set, the 4th pipeline valve is connect with one end of second liquid branch, the third end of the second medium pipeline It is connected to the battery backpack body；Wherein, the first gas branch and the second gas branch constitute the gas piping, institute It states the first liquid line and the second liquid pipeline constitutes the liquid line.
In some embodiments of the invention, the accommodating chamber is divided into multiple compartments, is distributed in each compartment more A battery cell, and each compartment is connected with the third end of the first medium pipeline, wherein each compartment and described first is situated between Flow control valve is set between the third end of matter pipeline, and the flow control valve is used to control to be situated between into the temperature adjustment in corresponding compartment The flow of matter.
In some embodiments of the invention, the cell packet module further include: heat insulation shell, the heat insulation shell are located at The outside of the outside of the battery backpack body, the heat insulation shell and the battery backpack body limits heat-insulation chamber.
In some embodiments of the invention, the battery pack temperature control equipment further include: battery pack self-temperature-regulating control Module, the battery pack self-temperature-regulating control module are connected with the heat-insulation chamber, and the control module is according to the environment temperature control The battery pack self-temperature-regulating control module is made, so that the battery self-temperature-regulating control module stores thermally conductive Jie in the heat-insulation chamber Matter exports the heat-conducting medium to the heat-insulation chamber.
In some embodiments of the invention, the battery pack self-temperature-regulating control module includes: fluid reservoir, the fluid reservoir It is connected respectively by intake line and output pipe with the heat-insulation chamber；First switch valve, first switch valve are arranged described defeated Enter on pipeline, the control module is also used to, and lower than the first temperature threshold and is higher than second temperature threshold value in the environment temperature When, it controls the first switch valve and opens so that the heat-conducting medium in the heat-insulation chamber inputs in the fluid reservoir with storage, In, first temperature threshold is greater than the second temperature threshold value.
In some embodiments of the invention, the battery pack self-temperature-regulating control module further include: vacuum pump and second is opened Valve is closed, the vacuum pump is connect with the heat-insulation chamber and atmosphere respectively, and the second switch valve is arranged in the vacuum pump and institute It states between heat-insulation chamber, after the heat-conducting medium in the heat-insulation chamber inputs in the fluid reservoir, the control module controls institute The closing of first switch valve is stated, and it is true take out to the heat-insulation chamber to control the vacuum pump and second switch valve unlatching It is empty.
In some embodiments of the invention, the battery pack self-temperature-regulating control module further include: the first water pump and third Switch valve, first water pump are arranged on the output pipe, and the third switch valve is arranged on the output pipe, institute Control module is stated to be also used to, when the environment temperature is higher than first temperature threshold and is lower than third temperature threshold, control First water pump and the second switch valve are opened to pump out in the heat-conducting medium in the fluid reservoir to the heat-insulation chamber.
In some embodiments of the invention, the temperature control medium switching module includes: liquid storage tank and the 4th switch Valve, the input port of the liquid storage tank are connected to the second liquid branch, and the 4th switch valve is arranged described second Liquid branch road, the delivery outlet of the liquid storage tank are connected to the first liquid branch；Second water pump, second water pump It is arranged on second liquid branch road.
In some embodiments of the invention, the temperature control medium switching module further include: relief valve, the relief valve are set It sets on the liquid storage tank.
In some embodiments of the invention, the air heating module includes: heating unit, and the heating unit includes Heater and heating chamber, the heater are used to heat air in the heating chamber, one end of the heating chamber and described the The other end of one gas branch is connected, and the other end of the heating chamber is connected with the other end of the second gas branch；Heating Blower, the heating blower are arranged on first gas branch road, pass through institute for controlling the hot-air in the heating chamber It states first gas branch and second gas branch and is recycled between the heating chamber and the battery backpack body.
In some embodiments of the invention, when the environment temperature is lower than second temperature threshold value and vehicle launch, institute It states control module and controls the first pipeline valve, second pipeline valve and third pipeline valve closing, and control the 4th pipe Road valve, the 4th switch valve and second water pump are opened so that the intracorporal coolant liquid of the battery pack is input to the liquid In storage bin, and, after the coolant liquid is input in the liquid storage tank, control the 4th switch valve, described Second water pump, the 4th pipeline valve are closed, and control first pipeline valve and third pipeline valve unlatching, described in control Heater and heating blower operation, wherein the second temperature threshold value is less than the first temperature threshold.
In some embodiments of the invention, the battery pack temperature control equipment further include: battery temperature detection module, For detecting the operating temperature of battery cell；The liquid storage tank is liquid heat insulation box, and the liquid heat insulation box passes through heat preservation Pipeline is connect with the driving motor of the vehicle, the 5th switch valve of the heating tube road setting.
In some embodiments of the invention, it is higher than the second temperature threshold value in the operating temperature of the battery cell When, the control module controls the heater and the heating blower stops, and controls first pipeline valve and described the Three pipeline valves are closed, and are controlled second pipeline valve, the 4th pipeline valve, the 4th switch valve and second water pump and are opened Open, control the 5th switch valve open so that coolant liquid in the liquid heat insulation box by the thermo-insulating pipe line by the drive The heat that dynamic motor generates, and coolant liquid is recycled between the liquid heat insulation box and the battery backpack body.
In some embodiments of the invention, it is higher than the second temperature threshold value in the operating temperature of the battery cell When, the control module controls the heater and the heating blower stops, and controls first pipeline valve and described the Three pipeline valves are closed；In the vehicle driving, the control module controls the 5th switch valve and opens, so that the liquid Coolant liquid in incubator recycles between the liquid heat insulation box and the driving motor, and, in the battery cell When operating temperature is lower than the second temperature threshold value, the control module controls second pipeline valve and the 4th pipeline Valve, the 4th switch valve, the second water pump are opened, and the coolant liquid in the liquid heat insulation box is exported to the battery backpack body It is interior.
In some embodiments of the invention, the liquid storage tank is liquid heat insulation box, default in the vehicle driving When stopping after the time, the control module controls the 4th pipeline valve, second water pump and the 4th switch valve and opens It opens, so that the intracorporal coolant liquid of the battery pack is stored to the liquid heat insulation box.
In some embodiments of the invention, the heat exchange refrigerating module includes: radiator and cooling fan, described to dissipate One end of hot device is connected with the other end of the second liquid branch, the other end of the radiator and the first liquid branch The other end be connected, the environment temperature be higher than third temperature threshold and be lower than four temperature thresholds when, the third temperature Threshold value is greater than the first temperature threshold and is less than the 4th temperature threshold, and the control module controls first pipeline valve, institute The closing of third pipeline valve is stated, and controls second pipeline valve, the 4th pipeline valve, second water pump and the cooling wind Fan is opened, so that the coolant liquid recycles between the battery backpack body and the radiator.
In some embodiments of the invention, the liquid storage tank is liquid heat insulation box, and the liquid heat insulation box passes through Thermo-insulating pipe line is connect with the driving motor of the vehicle, the 5th switch valve of the heating tube road setting, the 5th switch valve When unlatching, the coolant liquid in the liquid heat insulation box is by the thermo-insulating pipe line in the liquid heat insulation box and the driving motor Between recycle；The control module is also used to, and controls the 5th switch valve and the 4th switch valve is opened, so that described cold But liquid recycles between the battery backpack body, the driving motor, the liquid heat insulation box and the radiator.
In some embodiments of the invention, the heat exchange refrigerating module further include: heat exchanger and compressor, it is described Heat exchanger is arranged on the first liquid branch road, and the compressor is to the coolant liquid system for flowing through the heat exchanger Cold, when the environment temperature is higher than four temperature threshold, the control module controls the first pipeline valve, the third pipe Road valve is closed, and controls second pipeline valve, the 4th pipeline valve, second water pump, the cooling fan and described Compressor is opened, and the 4th temperature threshold is greater than the third temperature threshold.
In some embodiments of the invention, each battery cell is wrapped up by the film layer of insulated enclosure.
To solve the above-mentioned problems, the controlling party based on above-mentioned battery pack temperature control equipment of another aspect of the present invention Method, wherein the battery pack temperature control equipment includes cell packet module, and the cell packet module includes battery backpack body, described Accommodation space is limited in battery pack body, accommodates multiple battery cells in the accommodation space, around each battery cell Temperature control medium, the battery pack temperature control equipment can be flowed through further include: be connected with the cell packet module by gas piping Air heating module, be connected by liquid line with the cell packet module heat exchange refrigerating module, for switching battery The temperature control medium switching module of the type of intracorporal temperature control medium is wrapped, the control method includes: locating for detection cell packet module Environment temperature；The air heating module, the heat exchange refrigerating module and the temperature adjustment are controlled according to the environment temperature Medium switching module is to adjust the temperature of temperature control medium in the battery pack body.
The battery pack temprature control method of the embodiment of the present invention, the environment temperature according to locating for vehicle control air heated mould Block, heat exchange refrigerating module and temperature control medium switching module, to realize the adjusting to battery pack temperature, not by region and the external world The influence of the variation of environment temperature improves working performance so that battery cell is in suitable temperature range, reduces damage and prolongs Long-life.
In some embodiments of the invention, the cell packet module further includes positioned at the heat-insulated of the battery pack body periphery Chamber, the battery pack temperature control equipment further include battery pack self-temperature-regulating control module, the battery pack self-temperature-regulating control module Including the fluid reservoir and first switch valve being connected with the heat-insulation chamber, the control method further include: low in the environment temperature In the first temperature threshold and when being higher than second temperature threshold value, controls the first switch valve and open so that leading in the heat-insulation chamber Thermal medium inputs in the fluid reservoir with storage, wherein first temperature threshold is greater than the second temperature threshold value.
In some embodiments of the invention, the battery pack self-temperature-regulating control module further includes vacuum pump, the control Method further include: after the heat-conducting medium in the heat-insulation chamber inputs in the fluid reservoir, control the vacuum pump open with The heat-insulation chamber is vacuumized.
In some embodiments of the invention, the battery pack self-temperature-regulating control module further includes the first water pump, the control Method processed further include: when the environment temperature is higher than first temperature threshold and is lower than third temperature threshold, described in control First water pump is opened to pump out in the heat-conducting medium in the fluid reservoir to the heat-insulation chamber.
In some embodiments of the invention, the temperature control medium switching module includes liquid storage tank, according to the ring It is described to adjust that border temperature controls the air heating module, the heat exchange refrigerating module and the temperature control medium switching module The temperature of temperature control medium in battery pack body further comprises: being lower than second temperature threshold value and vehicle launch in the environment temperature When, it controls the intracorporal coolant liquid of the battery pack and is stored in the liquid storage tank, the second temperature threshold value is less than first Temperature threshold；The air heating module is controlled heat and air will be heated by heating blower passing through the gas piping It is recycled between the air heating module and the battery backpack body.
In some embodiments of the invention, the liquid storage tank is liquid heat insulation box, and the liquid heat insulation box is logical It crosses thermo-insulating pipe line to connect with the driving motor of the vehicle, the control method further include: detect the operating temperature of battery cell； When the operating temperature of the battery cell is higher than the second temperature threshold value, controls the air heating module and stop heating； It controls the coolant liquid in the liquid heat insulation box to recycle between the liquid heat insulation box and the driving motor, and controls cooling Liquid recycles between the liquid heat insulation box and the battery backpack body.
In some embodiments of the invention, the control method further include: in the vehicle driving, control the liquid Coolant liquid in body incubator recycles between the liquid heat insulation box and the driving motor；And in the battery cell When operating temperature is lower than the second temperature threshold value, controls the coolant liquid in the liquid heat insulation box and export to the battery backpack body It is interior.
In some embodiments of the invention, the control method further include: after the vehicle driving preset time When parking, controls the intracorporal coolant liquid of the battery pack and be stored in the liquid heat insulation box.
In some embodiments of the invention, the heat exchange refrigerating module includes heat exchanger and cooling fan, the control Method processed further include: when the environment temperature is higher than third temperature threshold and is lower than four temperature thresholds, control the cooling Fan is opened so that the cooling fan is dried to the radiator, and controls coolant liquid in the battery backpack body and the heat dissipation It is recycled between device, wherein third temperature threshold is greater than the first temperature threshold.
In some embodiments of the invention, the liquid storage tank is liquid heat insulation box, and the liquid heat insulation box passes through Thermo-insulating pipe line is connect with the driving motor of the vehicle, further includes: controls the coolant liquid in the battery backpack body, the driving It is recycled between motor, the liquid heat insulation box and the radiator.
In some embodiments of the invention, the heat exchange refrigerating module further includes heat exchanger and compressor, described Control method further include: the environment temperature be higher than four temperature thresholds when, control the coolant liquid the battery backpack body, It is recycled between the liquid heat insulation box, the radiator and the heat exchanger, and controls the compressor start, wherein institute The 4th temperature threshold is stated greater than the third temperature threshold.
The vehicle of battery pack temperature control equipment, further aspect of the present invention based on above-mentioned aspect, including the battery Packet temperature control equipment.
Battery pack working performance can be improved by using the battery pack temperature control equipment in the vehicle, increases in continuation of the journey Journey.
Detailed description of the invention
Fig. 1 is the block diagram of battery pack temperature control equipment according to an embodiment of the present invention；
Fig. 2 is the block diagram of battery pack temperature control equipment according to an embodiment of the invention；
Fig. 3 is the block diagram of vehicle according to an embodiment of the present invention；
Fig. 4 is the flow chart of battery pack temprature control method according to an embodiment of the present invention；
Fig. 5 is the flow chart of battery pack temprature control method according to an embodiment of the invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
The battery pack temperature control equipment proposed according to embodiments of the present invention and temperature controlling party are described with reference to the accompanying drawings Method and vehicle including the battery pack temperature control equipment.
Fig. 1 is the block diagram of battery pack temperature control equipment according to an embodiment of the present invention, as shown in Figure 1, the battery pack temperature Spending control device 100 includes cell packet module 10, air heating module 20, heat exchange refrigerating module 30, temperature control medium switching mould Block 40, temperature sensing module 50 and control module 60.
Wherein, cell packet module 10 includes battery backpack body 11, limits accommodation space in battery backpack body 11, in accommodation space Multiple battery cells 12 are accommodated, temperature control medium such as cooling water or heating gas can be flowed through around each battery cell 12 Body, the temperature of adjustable battery cell 12, makes it work in suitable temperature range.
Air heating module 20 is connected by gas piping 21 with cell packet module 10, and air heating module 20 is for heating Air, and hot-air is recycled between air heating module 20 and battery backpack body 11 by gas piping 21, so as to The battery cell 12 in cell packet module 10 is heated by air heating module 20, battery cell 11 is made to be in suitable Temperature avoids the charge and discharge under low temperature.
Heat exchange refrigerating module 30 is connected by liquid line 31 with cell packet module 10, and heat exchange refrigerating module 30 is used for Coolant liquid is recycled between heat exchange refrigerating module 30 and battery backpack body 11 to the cooling of simultaneously cooling cycle by liquid line 31 Liquid makes battery cell 11 be in suitable temperature, avoids under hot environment so as to realize the cooling to battery cell 12 Charge and discharge.
Temperature control medium switching module 40 is connected with cell packet module 10, and temperature control medium switching module 40 is for switching battery pack The type of temperature control medium in body 11.For example, to flow through liquid coolant in battery backpack body 11 or flowing through air, realize cold But the switching of medium.
Temperature sensing module 50 is for detecting environment temperature locating for vehicle.
Control module 60 controls air heating module 20, heat exchange refrigerating module for the environment temperature according to locating for vehicle 30 and temperature control medium switching module 40 with the temperature of temperature control medium in regulating cell backpack body 11, and then adjustable battery cell 12 Temperature so that battery cell 12 works in suitable temperature range.
The battery pack temperature control equipment 100 of the embodiment of the present invention, the environment temperature according to locating for vehicle of control module 60 Air heating module 20, heat exchange refrigerating module 30 and temperature control medium switching module 40 are controlled to realize the tune to battery pack temperature Section, is not influenced by the variation of region and ambient temperature, so that battery cell 12 is in suitable temperature range, is improved Working performance reduces damage and extends the service life.
Further, gas circuit valve and fluid path valve is respectively set in the inlet and outlet of 10 inner passage of cell packet module, to control gas The flowing of body medium and liquid medium.Specifically, as shown in Fig. 2, cell packet module 10 further includes first medium pipeline 13 and Second medium pipeline 14.Wherein, the first pipeline valve 1a, the first pipeline valve 1a and the first gas is arranged in the first end of first medium pipeline 13 One end of body branch 21b1 connects, and the second pipeline valve 2a, the second pipeline valve 2a and the is arranged in the second end of first medium pipeline 13 One end of one liquid branch 31b1 connects, and the third end of first medium pipeline 13 is connected to battery backpack body 11；Second medium pipeline Third pipeline valve 3a is arranged in 14 first end, and third pipeline valve 3a is connect with one end of second gas branch 21b2, second medium The 4th pipeline valve 4a is arranged in the second end of pipeline 14, and the 4th pipeline valve 4a is connect with one end of second liquid branch 31b2, and second The third end of medium pipeline 14 is connected to battery backpack body 11；Wherein, first gas branch 21b1 and second gas branch 21b2 structure At gas piping 21, the first liquid line 31b1 and second liquid pipeline 31b2 constitute liquid line 31.As can be seen that passing through control The switch for making the first pipeline valve 1a, the second pipeline valve 2a, the second pipeline valve 3a and the 4th pipeline valve 4a, may be implemented to flue The connection of road 21 or liquid line 31 and battery backpack body 11, in other words, heating air dielectric and fluid dielectric coolant share electricity The medium channel of pond packet module 10, that is, first medium pipeline 12 and second medium pipeline 13.
In an embodiment of the present invention, referring to shown in attached drawing 2, the accommodating chamber of battery backpack body 11 is divided into multiple compartments, Such as accommodating chamber by multiple partition g is divided into multiple compartments in Fig. 2, and multiple battery cells such as two are distributed in each compartment Or three, there can be temperature control medium channel so that battery cell 12 is tempered medium around the battery cell 12 in each compartment It surrounds.And each compartment is connected with the third end of first medium pipeline 13, wherein the of each compartment and first medium pipeline 13 Flow control valve 15 is set between three ends, flow control valve 15 is used to control the flow into the temperature control medium in corresponding compartment, Further in adjustable each compartment battery cell 12 temperature, to meet the uniformity of the temperature of entire battery pack.
In an embodiment of the present invention, each battery cell 12 is wrapped up by the film layer of insulated enclosure, so as to make It obtains temperature control medium and heat exchange preferably occurs with battery cell 12, can preferably control the temperature of battery cell 12.
Referring to shown in Fig. 2, cell packet module 10 further includes heat insulation shell, and heat insulation shell is located at the outside of battery backpack body 11, The outside of heat insulation shell and battery backpack body 11 limits heat-insulation chamber 16.For example, 11 outermost of battery backpack body is arranged with a thickness of 1 centimetre Heat-insulation chamber 16, the heat-insulation chamber 16 can be used to make battery backpack body 11 isolation be exchanged with the heat of external environment, realization process according to The temperature control medium being filled in heat-insulation chamber 16.Isolation heat transfer may be implemented if being vacuum in heat-insulation chamber 16, if every It is filled with temperature control medium such as heat-conducting liquid in hot chamber 16 heat then may be implemented and quickly transmit, to realize to battery backpack body 11 Natural heat dissipation or heat preservation.
Further, as shown in Fig. 2, battery pack temperature control equipment 100 further includes battery pack self-temperature-regulating control module 70. Battery pack self-temperature-regulating control module 70 is connected with heat-insulation chamber 16, and control module 60 controls battery pack self-regulated temperature control according to environment temperature Molding block 70 so that battery self-temperature-regulating control module 70 store heat-insulation chamber 16 in heat-conducting medium or output heat-conducting medium to every Hot chamber 16.
Specifically, referring to shown in Fig. 2, battery pack self-temperature-regulating control module 70 includes fluid reservoir 71 and first switch valve 72, fluid reservoir 71 is connected by intake line and output pipe with heat-insulation chamber 16 respectively；First switch valve 72 is arranged in input pipe On the road, control module 60 is also used to, and lower than such as 20 DEG C of the first temperature threshold and is higher than second temperature threshold value example in environment temperature At such as 10 DEG C, control first switch valve 72 is opened, so as to store in the heat-conducting medium input fluid reservoir 71 in heat-insulation chamber 16, from And the heat exchange of battery backpack body 11 Yu external environment can be reduced, realize the insulation effect of battery backpack body 11 itself.Wherein, first Temperature threshold is greater than second temperature threshold value.
Further, battery pack self-temperature-regulating control module 70 further includes vacuum pump 73 and second switch valve 74, vacuum pump 73 It is connect respectively with heat-insulation chamber 16 and atmosphere, second switch valve 74 is arranged between vacuum pump 73 and heat-insulation chamber 16, in heat-insulation chamber 16 After in interior heat-conducting medium input fluid reservoir 71, control module 60 controls first switch valve 72 and closes, and controls vacuum pump 73 It opens with second switch valve 74 to be vacuumized to heat-insulation chamber 16, forms vacuum in heat-insulation chamber 16, it can in vacuum state Preferably to completely cut off the heat exchange of battery backpack body 11 Yu external environment.
In some embodiments of the invention, battery pack self-temperature-regulating control module 70 further includes that the first water pump 75 and third are opened Valve 76 is closed, the first water pump 75 is arranged on output pipe, and third switch valve 76 is arranged on output pipe, and control module 60 is also used In controlling the first water pump 75 and the when environment temperature is higher than the first temperature threshold and is lower than such as 30 DEG C of third temperature threshold Two switch valves 76 are opened to pump out in the heat-conducting medium in fluid reservoir 71 to heat-insulation chamber 16, such as to being pumped into heat-insulation chamber 16 with water The heat-conducting liquid medium mixed with ethylene glycol ratio 1:1 can then be reinforced when battery pack is cooling to battery backpack body 11 Heat transfer, namely battery cell 11 is preferably made to radiate, it avoids temperature excessively high and influences working performance.
As can be seen that battery backpack body 11 may be implemented certainly by setting heat-insulation chamber 16 and battery pack self-temperature-regulating control module 70 The temperature adjustment effect of body, without consuming additional energy.
Further, referring to shown in Fig. 2, temperature control medium switching module 40 includes liquid storage tank 41 and the 4th switch valve 42, the second water pump 43.Wherein, the input port of liquid storage tank 41 is connected to second liquid branch 31b2, and the 4th switch valve 42 is set It sets on second liquid branch 31b2, the delivery outlet of liquid storage tank 41 is connected to the first liquid branch 31b1；Second water pump 43 It is arranged on second liquid branch 31b2.Cutting for temperature control medium in battery backpack body 11 may be implemented in temperature control medium switching module 40 It changes, for example, when the first pipeline valve 1a, the second pipeline valve 2a and third pipeline valve 3a closing and the 4th pipeline valve 4a opening, the 4th Switch valve 42 and the second water pump 43 are opened, and the temperature control medium such as coolant liquid in battery pack body 11 can be made to pass through the first liquid Branch 31b1, the second water pump 43, the 4th switch valve 42 and intake line are exported to liquid storage tank 41, then battery backpack body at this time It is gas medium in 11, realizes switching of the liquid medium to gas medium；Similarly, the first pipeline valve 1a, the 4th pipeline valve 4a With third pipeline valve 3a closing and when the second pipeline valve 2a is opened, the 4th switch valve 42 and the second water pump 43 are opened, can be by liquid The coolant liquid of storage in body storage bin 41 is exported to battery backpack body 11, realizes that gas medium is converted to liquid medium.It can be with To find out, the temperature control medium in battery backpack body 11 arbitrarily rapidly can mutually switch, it is switched to liquid medium from gas medium, or Person is switched to gas medium from liquid medium.
In addition, temperature control medium switching module 40 further includes relief valve 44, relief valve 44 is arranged on liquid storage tank 41, When liquid is injected in liquid storage tank 41, control relief valve 44 is opened to release the air in liquid storage tank 41.
In some embodiments of the invention, as shown in Fig. 2, air heating module 20 includes heating unit 21 and heating wind Machine 22, wherein heating unit 21 includes heater 211 and heating chamber 212, and heater 211 is used to heat the sky in heating chamber 212 One end of gas, heating chamber 212 is connected with the other end of first gas branch 21b1, the other end and second gas of heating chamber 212 The other end of branch 21b2 is connected；Heating blower 22 is arranged on first gas branch 21b1, for by the heat in heating chamber 212 Air is recycled between heating chamber 212 and battery backpack body 11 by first gas branch 21b1 and second gas branch 21b2, from And realize the raising to the temperature of battery cell 12 in battery backpack body 11.
Specifically, environment temperature be lower than second temperature threshold value and vehicle launch when, such as environment temperature be lower than 10 DEG C when Vehicle launch, that is, vehicle is cold-started, and needs to preheat battery pack, its operating temperature is made to rise very rapidly up to most preferably put Point temperature, then control module 60 controls the first pipeline valve 1a, the second pipeline valve 2a and third pipeline valve 3a and closes, and controls the 4th Pipeline valve 4a, the 4th switch valve 42 and the second water pump 43 are opened, and the coolant liquid in battery backpack body 11 is input to fluid storage In case 41, and, after coolant liquid is input in liquid storage tank 41, at this time it is air in battery backpack body 11, completes temperature adjustment Medium is switched to gas from liquid, and control module 60 controls the 4th switch valve 42, the second water pump 43, the 4th pipeline valve 4a and closes, And control the first pipeline valve 1a and third pipeline valve 3a and open, it controls heater 211 and heating blower 22 is run, wherein second Temperature threshold is less than the first temperature threshold.For example, the air in heating chamber 212 is heated after control thermal resistance is powered, it is empty Temperature degree rises to preset temperature, then power part of the heating blower 22 as air circulation flow, passes through heating blower 22 Hot-air in driving heating chamber 212 enters circulation in battery backpack body 11, to heat to battery cell 12, promotes battery list The operating temperature of body 12, the warm of the battery cell 12 when completing vehicle cold-start are in the process, each by controlling The unlatching amplitude of the corresponding flow control valve 15 of compartment can the Temperature Distribution of battery cell 12 to entire battery pack adjust Section, makes its uniformity of temperature profile.
Battery pack temperature control equipment 100 can also include battery temperature detection module (not identifying in figure), battery temperature Detection module is used to detect the operating temperature of battery cell 12；Liquid storage tank 41 is liquid heat insulation box, and liquid heat insulation box passes through The connection of the driving motor 80 of thermo-insulating pipe line and vehicle, liquid heat insulation box can seal the heat of storage inside liquid up for safekeeping, not additional In the case where consuming electric energy, heat is provided for the battery pack under cold environment by the heat that driving motor 80 generates.Specifically, As shown in Fig. 2, the cooling port of driving motor 80 is connected with liquid heat insulation box, the 5th switch valve 45 of heating tube road setting, the When five switch valves 45 are opened, the coolant liquid in liquid heat insulation box can recycle between liquid heat insulation box and driving motor 80, So that the heat that driving motor 80 generates can be delivered in liquid heat insulation box 41.
Specifically, after vehicle cold-start, it is higher than second temperature threshold value such as 10 in the operating temperature of battery cell 12 DEG C when, control module 60 controls heater 21 and heating blower 22 and stops, and controls the first pipeline valve 1a and third pipeline valve 3a It closes, i.e. air heating terminates, and the second pipeline valve 2a of control, the 4th pipeline valve 4a, the 4th switch valve 42 and the second water pump 43 are opened It opens, the 5th switch valve 45 of control is opened, so that the coolant liquid in liquid heat insulation box is generated by thermo-insulating pipe line by driving motor 80 Heat, and coolant liquid is recycled between liquid heat insulation box and battery backpack body 11.I.e. after start-up, by air plus Thermal modules 20 carry out the heating mode that heating is converted to the offer thermal energy of driving motor 80.In order to preferably follow coolant liquid Third water pump 46 can be arranged in ring on the first liquid branch 31b1.
In addition, driving motor 80 can generate certain heat, in the embodiment of the present invention during vehicle driving In, when vehicle travels, control module 60 controls the 5th switch valve 45 and opens, so that the coolant liquid in liquid heat insulation box is in liquid It is recycled between incubator and driving motor 80, i.e., the heat that driving motor 80 generates is transported in liquid heat insulation box.In battery When the operating temperature of monomer 12 is lower than such as 10 DEG C of second temperature threshold value, control module 60 controls the pipe of the second pipeline valve 2a and the 4th Road valve 4a, the 4th switch valve 42, the second water pump 43 are opened, and the coolant liquid in liquid heat insulation box is exported to battery backpack body 11 It is interior, to maintain the operating temperature of battery pack, realize that the self-heating of battery pack and energy efficient utilize.
At low ambient temperatures, when vehicle stops after operation a period of time, a vehicle launch is washed to battery pack in order to reduce Coolant liquid in battery backpack body 11 after traveling can be concentrated and is stored in liquid heat insulation box by energy loss when preheating, in other words, Heat after shutdown is sealed up for safekeeping in liquid heat insulation box.Specifically, when stopping after vehicle driving preset time, control module 60 the 4th pipeline valve 4a of control, the second water pump 43 and the 4th switch valve 42 are opened, so that the coolant liquid in battery backpack body 11 stores To liquid heat insulation box.To the coolant liquid in liquid heat insulation box be exported to battery backpack body 11 when starting next time It is interior, the heat of warming-up is provided, the purpose realizing energy regenerating and efficiently utilizing.
Described above includes battery pack temperature controlled processes when vehicle is run at low ambient temperatures, it is to be understood that can To adjust the power of heating blower 22, the flow of the second water pump 43 and heater 211 according to specific road conditions, to control battery The operating temperature of monomer 12.
Natural regulation can be carried out by above-mentioned battery pack self-temperature-regulating control module 70 for the cooling of battery pack, For example, controlling the liquid storage of battery pack self-temperature-regulating control module 70 when environment temperature being higher than the first temperature threshold such as 20 DEG C Heat-conducting liquid in tank 71 is pumped into the heat-insulation chamber 16 of battery pack, and detailed process is as described above, and details are not described herein.Further, Cooling treatment can also be carried out by heat exchange refrigerating module 30.
Referring to shown in Fig. 2, heat exchange refrigerating module 30 includes radiator 31 and cooling fan 32, one end of radiator 31 with The other end of second liquid branch 32b2 is connected, and the other end of radiator 31 is connected with the other end of the first liquid branch 31b1, When environment temperature is higher than third temperature threshold and is lower than such as 40 DEG C of the 4th temperature threshold, third temperature threshold is greater than the first temperature Spend threshold value and less than the 4th temperature threshold, such as third temperature threshold is 30 DEG C, control module 60 controls the first pipeline valve 1a, the Three pipeline valve 3a are closed, and are controlled the second pipeline valve 2a, the 4th pipeline valve 4a, the second water pump 43 and cooling fan 32 and opened, with Recycle coolant liquid between battery backpack body 11 and radiator 31, thus realize the cooling to coolant liquid in battery backpack body 11, drop The temperature of low battery cell 12.In an embodiment of the present invention, air-cooled to dissipate as shown in Fig. 2, fan-cooled radiator can be used For hot device as front end, rear side is disposed with the adjustable cooling fan 32 of electronics PWM, and the size of cooling fan 32 requires only to need to act on In 2/3 region of fan-cooled radiator, other 1/3 regions are by the blowing effect in vehicle driving.
It should be noted that coolant liquid flow to the water in temperature control medium switching module 40 and heat exchange refrigerating module 30 dissipate When heat passage and parallel-flow heat exchanger access, can be freezed but liquid stream by the 4th switch valve 42 such as electronic control valve gate To specific traffic organising is determined according to environment language battery pack state, and in other words, the 4th switch valve 42 has the work of selection flow direction With.
Further, it as shown in Fig. 2, control module 60 is also used to, controls the 5th switch valve 45 and the 4th switch valve 42 is opened It opens, so that coolant liquid recycles between battery backpack body 11, driving motor 80, liquid heat insulation box and radiator 31.In other words, start cold But fan 32 and radiator 31, radiate to battery pack and driving motor 80.Specifically, temperature control medium is cut in battery backpack body 11 It is changed to liquid, starting the second water pump 43 driving coolant liquid circulates, and flow-through element is battery backpack body 11, driving motor 80, the Two water pumps 43, radiator 31, battery pack and driving motor 80 are arranged as parallel connection, and purpose is that battery pack and driving motor 80 issue Heat is all transported to radiator 31, is radiated using the forced convertion of cooling fan 32, is controlled according to the difference of driving cycle The revolving speed of the second water pump 43 and cooling fan 32 is made to meet heat dissipation capacity, completes the constant temperature control to battery pack and driving motor 80 System.Meanwhile the unlatching amplitude that the intracavitary corresponding flow control valve 15 of compartment is accommodated in battery backpack body 11 is controlled, lead to adjust Coolant rate in each compartment, to control the temperature uniformity of entire cell packet module 10.
Under high temperature environment, it when environment temperature is higher than four temperature thresholds, for example, the 4th temperature threshold is 40 DEG C, needs Take more effective cooling provision.In some embodiments of the invention, as shown in Fig. 2, heat exchange refrigerating module 30 also wraps Include heat exchanger 33 and compressor 34, heat exchanger 33 is arranged on the first liquid 31b1 branch road, and compressor 34 is to flowing through hot friendship The coolant liquid of parallel operation 33 is freezed, and when environment temperature is higher than four temperature thresholds, control module 60 controls the first pipeline valve 1a, third pipeline valve 3a are closed, and control the second pipeline valve 2a, the 4th pipeline valve 4a, the second water pump 43, cooling fan 32 and pressure Contracting machine 34 is opened, and in other words, is cooled down by cooling fan 32 and compressor 34 to the coolant liquid in battery backpack body 11, meanwhile, It can also cool down to driving motor 80.The effect of compressor of air conditioner compression refrigerant refrigeration be applied to the coolant liquid of the application into one Step cools, and heat exchanger 33 uses two liquid convection formula heat exchangers, and heat transfer effect is more preferable.
It, can be with by the cooling of cooling fan 32 when being cooled down to battery pack it is understood that under high temperature environment Regard the level-one cooling as heat exchange refrigerating module 30 as, it is cooling that 34 cooling of compressor can regard second level as.As shown in Fig. 2, level-one Cooling and second level cooling can use concatenated mode, and the cooling refrigeration of compressor 34 setting of second level is freezed in level-one cooling fan 32 Behind, at higher ambient temperatures, the water close to environment temperature is down to by the temperature of level-one cooling fan the last 32 coolant liquid It is flat, then under the action of compressor 34 freezes, continue to cool down to coolant liquid, so that the coolant liquid of lower temperature is transmitted to In battery backpack body 11, within the temperature range of the operating temperature of battery cell 12 is maintained optimum, guarantee working performance.
To sum up, the battery pack temperature control equipment 100 of the embodiment of the present invention, by battery pack, driving motor 80, The detection of the parameters such as cooling medium and environment temperature, Real-time Feedback complete the analysis of corresponding logic to control module 60, output Signal is completed to control each module, under cold and hot environment, can control the work of battery cell 12 in suitable temperature model In enclosing, the energy loss of battery cell 12 is reduced, improve the active volume of battery pack to the greatest extent and longer uses the longevity Life reduces electric vehicle cost, increases the course continuation mileage of electric vehicle, ensure the safety of battery.
Based on the battery pack temperature control equipment of above-mentioned aspect embodiment, another aspect of the present invention reality is described referring to attached drawing 3 Apply the vehicle of example.
The vehicle 1000 includes the battery pack temperature control equipment 100 of above-mentioned aspect embodiment.By using the battery pack Battery pack working performance can be improved in temperature control equipment 100, increases course continuation mileage.
Based on the battery pack temperature control equipment of above-mentioned aspect embodiment, describe with reference to the accompanying drawings another according to the present invention The battery pack temprature control method that aspect embodiment proposes.Wherein, battery pack temperature control equipment includes cell packet module, described Cell packet module includes battery backpack body, and accommodation space is limited in the battery pack body, is accommodated in the accommodation space multiple Battery cell can flow through temperature control medium around each battery cell, further includes: pass through gas piping and the cell packet module Connected air heating module, the heat exchange refrigerating module being connected by liquid line with the cell packet module, for switching The temperature control medium switching module of the type of the intracorporal temperature control medium of battery pack.
Fig. 4 is the flow chart of battery pack temprature control method according to an embodiment of the present invention, as shown in figure 4, the battery pack Temprature control method the following steps are included:
S1 detects environment temperature locating for cell packet module.
S2 controls air heating module, heat exchange refrigerating module and temperature control medium switching module according to environment temperature to adjust The temperature of temperature control medium in batteries backpack body makes it work in suitable temperature model so as to the temperature of regulating cell monomer It encloses.
The battery pack temprature control method of the embodiment of the present invention, the environment temperature according to locating for vehicle control air heated mould Block, heat exchange refrigerating module and temperature control medium switching module, to realize the adjusting to battery pack temperature, not by region and the external world The influence of the variation of environment temperature improves working performance so that battery cell is in suitable temperature range, reduces damage and prolongs Long-life.
Further, cell packet module further includes the heat-insulation chamber positioned at battery pack body periphery, battery pack temperature control equipment It further include battery pack self-temperature-regulating control module, battery pack self-temperature-regulating control module includes the fluid reservoir being connected with heat-insulation chamber and first Outputting and inputting for medium in heat-insulation chamber may be implemented by battery pack self-temperature-regulating control module, specifically, in environment in switch valve Temperature is lower than the first temperature threshold and when being higher than second temperature threshold value, wherein first temperature threshold is greater than second temperature Threshold value is spent, control first switch valve is opened so that the heat-conducting medium input fluid reservoir in heat-insulation chamber is interior with storage, so as to drop The insulation effect of battery backpack body itself is realized in the heat exchange of low battery backpack body and external environment.
Battery pack self-temperature-regulating control module further includes vacuum pump, in heat-conducting medium in heat-insulation chamber input fluid reservoir it Afterwards, control vacuum pump is opened to vacuumize to heat-insulation chamber, and vacuum is formed in heat-insulation chamber, can be more preferable in vacuum state The heat exchange of ground isolation battery backpack body and external environment.
In some embodiments of the invention, battery pack self-temperature-regulating control module further includes the first water pump, in environment temperature When higher than the first temperature threshold and being lower than third temperature threshold, the first water pump of control is opened to pump out thermally conductive Jie in fluid reservoir Matter, such as the heat-conducting liquid mixed with water and ethylene glycol ratio 1:1, until reinforcing the heat to battery backpack body in heat-insulation chamber Transmitting, namely preferably battery cell is radiated, it avoids temperature excessively high and influences working performance.
Further, temperature control medium switching module includes liquid storage tank, according to environment temperature control air heating module, Heat exchange refrigerating module and temperature control medium switching module further comprise with the temperature of temperature control medium in regulating cell backpack body: When environment temperature is lower than such as 10 DEG C of second temperature threshold value and vehicle launch, i.e., when vehicle is cold-started, control battery backpack body Interior coolant liquid is stored in liquid storage tank, i.e., the intracorporal temperature control medium of battery pack is switched to gas by liquid medium and be situated between Matter, second temperature threshold value is less than the first temperature threshold；Control air heating module heat and will be heated by heating blower Air is recycled between air heating module and battery backpack body by gas piping, to realize to battery cell in battery pack body Temperature raising.
Further, liquid storage tank can be liquid heat insulation box, and liquid heat insulation box passes through thermo-insulating pipe line and vehicle Driving motor connection, liquid heat insulation box can seal the thermal energy of driving motor generation up for safekeeping, and the control method of the embodiment of the present invention is also wrapped It includes: detecting the operating temperature of battery cell；When the operating temperature of battery cell is higher than second temperature threshold value, control air heating Module stops heating；Coolant liquid in control liquid heat insulation box recycles between liquid heat insulation box and driving motor, and controls cold But liquid recycles between liquid heat insulation box and battery backpack body.I.e. after start-up, heating conversion is carried out by air heating module 20 The heating mode of thermal energy is provided for driving motor 80.
In addition, driving motor can generate certain heat during vehicle driving, in an embodiment of the present invention, When vehicle travels, the coolant liquid controlled in liquid heat insulation box recycles between liquid heat insulation box and driving motor, is driven with storing The heat that dynamic motor generates；And it when the operating temperature of battery cell is lower than second temperature threshold value, controls in liquid heat insulation box Coolant liquid export to battery pack body, to maintain the operating temperature of battery pack, realize the self-heating and energy efficient of battery pack It utilizes.
At low ambient temperatures, when vehicle stops after operation a period of time, a vehicle launch is washed to battery pack in order to reduce The intracorporal coolant liquid concentration of battery pack after traveling can be stored in liquid heat insulation box by energy loss when preheating, in other words, will Heat after shutdown is sealed up for safekeeping in liquid heat insulation box.Specifically, liquid storage tank is liquid heat insulation box, when vehicle driving is preset Between after stop when, control the intracorporal coolant liquid of battery pack be stored in liquid heat insulation box.Thus, can when starting next time Exporting the coolant liquid in liquid heat insulation box to battery pack body, the heat of warming-up is provided, realize energy regenerating and efficiently The purpose utilized.
It is possible to further carry out cooling treatment to battery cell by heat exchange refrigerating module, specifically, heat exchange is cold But module includes heat exchanger and cooling fan, when environment temperature is higher than third temperature threshold and is lower than four temperature thresholds, control Cooling fan processed is opened so that cooling fan is dried to the radiator, and controls coolant liquid between battery backpack body and radiator Circulation reduces the temperature of battery cell 12, wherein third temperature threshold to realize the cooling to coolant liquid in battery backpack body 11 Value is greater than the first temperature threshold, for example, third temperature threshold is 30 DEG C.
In an embodiment of the present invention, driving motor and battery pack can also be cooled down simultaneously, specifically, Liquid storage tank is liquid heat insulation box, and liquid heat insulation box is connected by the driving motor of thermo-insulating pipe line and vehicle, controls coolant liquid It is recycled between battery backpack body, driving motor, liquid heat insulation box and radiator.In other words, start cooling fan and radiator, to electricity Chi Bao and driving motor radiate.Wherein, battery pack and driving motor are arranged as parallel connection, and purpose is battery pack and driving motor The heat of sending is all transported to radiator.
Under high temperature environment, when environment temperature is higher than four temperature thresholds, the 4th temperature threshold is greater than the third temperature Threshold value is spent, for example, the 4th temperature threshold is 40 DEG C, needs to take more effective cooling provision.In some embodiments of the present invention In, heat exchange refrigerating module further includes heat exchanger and compressor, when environment temperature is higher than four temperature thresholds, control cooling Liquid recycles between battery backpack body, liquid heat insulation box, radiator and heat exchanger, and controls compressor start, wherein the 4th temperature It spends threshold value and is greater than third temperature threshold.In other words, the intracorporal coolant liquid of battery pack is cooled down by cooling fan and compressor, At the same time it can also cool down to driving motor.The effect of compressor of air conditioner compression refrigerant refrigeration is applied to the coolant liquid of the application It further cools, heat exchanger uses two liquid convection formula heat exchangers, and heat transfer effect is more preferable
Fig. 5 is the flow chart of the battery pack temprature control method of a specific embodiment according to the present invention, including high temperature The measure taken under environment and the measure taken under low temperature environment, specifically include as follows:
S100 detects battery pack local environment temperature.
S200, when environment temperature is lower than 20 DEG C, cell packet module itself heat preservation.It i.e. will be in the heat-insulation chamber of cell packet module Heat-conducting medium be stored in the fluid reservoir of battery pack self-temperature-regulating control module, further can to vacuumized in heat-insulation chamber with Form it into vacuum state.
S300 when vehicle cold-start, using air heat cycles, is introduced heated air into when environment temperature is lower than 10 DEG C In battery pack body, heat cycles are carried out, heating efficiency is high, quick heating.
S400 detects battery cell temperature, when battery cell temperature is higher than 10 DEG C, is recycled using driving motor to battery Packet heating, the heat of driving motor is transferred in battery pack body in a manner of liquid medium.
S500 when vehicle driving stops for a period of time, the heat of coolant liquid is collected and is stored in liquid heat insulation box It is interior, when vehicle launch next time, for preheating battery pack and complete machine, effective use.
It is scattered to carry out will to be pumped into heat-conducting medium when environment temperature is higher than 20 DEG C by S600 in the heat-insulation chamber of cell packet module Heat.
S700 judges the temperature and ambient temperature of battery pack.Battery pack temperature being averaged for battery cell Temperature.
S800, when environment temperature is between 10-30 DEG C, using pipeline mode, that is, battery pack pipeline internal circulation flow.
S900, when environment temperature is at 30-40 DEG C, using the level-one refrigeration cycle of radiator and cooling fan, circulation side Formula, that is, battery backpack body, the second water pump and radiator.
S1000 combines compression mechanism using the level-one of radiator and cooling fan refrigeration when environment temperature is higher than 40 DEG C The cold second level type of cooling, endless form, that is, battery pack, the second water pump, radiator and compressor, heat exchanger.
S1100 judges whether the temperature of battery pack is optimum working temperature, if it is, entering step S1200, otherwise Return step S700.
S1200 determines that battery pack is in optimum working temperature.
It is understood that battery cell output power can change, battery cell according to vehicle driving-cycle difference Calorific value can change, the control method of the embodiment of the present invention with the variation of output power, according to battery pack acquisition electricity The parameters such as flow valuve and the temperature of battery cell change the components such as valve, fan, the pump capacity come between control piper to reach To the real-time control to battery pack temperature, is not influenced by region and external environment variation, made under low temperature or hot environment It obtains battery pack and is capable of the utmostly low performance for playing battery cell, improve capacity and the service life of battery pack, ensure battery pack Safety.
Further, the battery pack temperature control equipment and control method of the embodiment of the present invention, can be further perfect, needle Specific battery pack operating temperature and characteristic are needed to be adjusted relevant parameter in the method and perfect, secondly to the present invention In several operational module structures and arrangement form further improvement, high-efficiency insulated under low temperature environment and hot environment may be implemented Lower high efficiency and heat radiation, and the switching that two kinds of temp-controled modes can be mutual.
It should be noted that in the description of this specification, any mistake described otherwise above in flow chart or herein Journey or method description are construed as, and expression includes the steps that one or more for realizing specific logical function or process Executable instruction code module, segment or part, and the range of the preferred embodiment of the present invention includes other Realize, wherein sequence shown or discussed can not be pressed, including according to related function by it is basic simultaneously in the way of or press Opposite sequence, Lai Zhihang function, this should be understood by the embodiment of the present invention person of ordinary skill in the field.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for Instruction execution system, device or equipment (such as computer based system, including the system of processor or other can be held from instruction The instruction fetch of row system, device or equipment and the system executed instruction) it uses, or combine these instruction execution systems, device or set It is standby and use.For the purpose of this specification, " computer-readable medium ", which can be, any may include, stores, communicates, propagates or pass Defeated program is for instruction execution system, device or equipment or the dress used in conjunction with these instruction execution systems, device or equipment It sets.The more specific example (non-exhaustive list) of computer-readable medium include the following: there is the electricity of one or more wirings Interconnecting piece (electronic device), portable computer diskette box (magnetic device), random access memory (RAM), read-only memory (ROM), erasable edit read-only storage (EPROM or flash memory), fiber device and portable optic disk is read-only deposits Reservoir (CDROM).In addition, computer-readable medium can even is that the paper that can print described program on it or other are suitable Medium, because can then be edited, be interpreted or when necessary with it for example by carrying out optical scanner to paper or other media His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each section of the invention can be realized with hardware, software, firmware or their combination.Above-mentioned In embodiment, software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware Any one of column technology or their combination are realized: having a logic gates for realizing logic function to data-signal Discrete logic, with suitable combinational logic gate circuit specific integrated circuit, programmable gate array (PGA), scene Programmable gate array (FPGA) etc..
Those skilled in the art are understood that realize all or part of step that above-described embodiment method carries It suddenly is that relevant hardware can be instructed to complete by program, the program can store in a kind of computer-readable storage medium In matter, which when being executed, includes the steps that one or a combination set of embodiment of the method.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned Embodiment is changed, modifies, replacement and variant.

Claims (31)

1. a kind of battery pack temperature control equipment characterized by comprising
Cell packet module, the cell packet module include battery backpack body, and accommodation space, the appearance are limited in the battery pack body Na Kongjianneirongna has multiple battery cells, can flow through temperature control medium around each battery cell；
Air heating module, the air heating module is connected by gas piping with the cell packet module, for heating sky Gas, and hot-air is recycled between the air heating module and the battery backpack body by the gas piping；
Heat exchange refrigerating module, the heat exchange refrigerating module is connected by liquid line with the cell packet module, for controlling Coolant liquid processed is recycled between the heat exchange refrigerating module and the battery backpack body by the liquid line；
Temperature control medium switching module, the temperature control medium switching module is connected with the cell packet module, for switching the electricity Wrap the type of intracorporal temperature control medium in pond；
Temperature sensing module, for detecting environment temperature locating for cell packet module；
Control module, for controlling the air heating module, the heat exchange refrigerating module and institute according to the environment temperature Temperature control medium switching module is stated to adjust the temperature of temperature control medium in the battery pack body；
The cell packet module further include: first medium pipeline and second medium pipeline, wherein the of the first medium pipeline The first pipeline valve is arranged in one end, and first pipeline valve is connect with one end of first gas branch, the first medium pipeline The second pipeline valve is arranged in second end, and second pipeline valve is connect with one end of the first liquid branch, the first medium pipeline Third end be connected to the battery backpack body, third pipeline valve, the third pipe is arranged in the first end of the second medium pipeline Road valve is connect with one end of second gas branch, second end the 4th pipeline valve of setting of the second medium pipeline, and the described 4th Pipeline valve is connect with one end of second liquid branch, and the third end of the second medium pipeline is connected to the battery backpack body；
Wherein, the first gas branch and the second gas branch constitute the gas piping, first liquid line The liquid line is constituted with the second liquid pipeline.
2. battery pack temperature control equipment as described in claim 1, which is characterized in that the accommodation space is divided into multiple Multiple battery cells are distributed in each compartment in compartment, and each compartment is connected with the third end of the first medium pipeline, In, flow control valve is set between each compartment and the third end of the first medium pipeline, and the flow control valve is for controlling System enters the flow of the temperature control medium in corresponding compartment.
3. battery pack temperature control equipment as described in claim 1, which is characterized in that the cell packet module further include:
Heat insulation shell, the heat insulation shell are located at the outside of the battery backpack body, the heat insulation shell and the battery backpack body Outside limits heat-insulation chamber.
4. battery pack temperature control equipment as claimed in claim 3, which is characterized in that the battery pack temperature control equipment is also Include:
Battery pack self-temperature-regulating control module, the battery pack self-temperature-regulating control module are connected with the heat-insulation chamber, the control mould Root tuber controls the battery pack self-temperature-regulating control module according to the environment temperature, so that the battery self-temperature-regulating control module stores Heat-conducting medium in the heat-insulation chamber or the output heat-conducting medium are to the heat-insulation chamber.
5. battery pack temperature control equipment as claimed in claim 4, which is characterized in that the battery pack self-temperature-regulating control module Include:
Fluid reservoir, the fluid reservoir pass through intake line and output pipe respectively and are connected with the heat-insulation chamber；
First switch valve, first switch valve are arranged on the intake line, and the control module is also used to, in the environment temperature Degree controls the first switch valve and opens so that in the heat-insulation chamber lower than the first temperature threshold and when being higher than second temperature threshold value Heat-conducting medium input in the fluid reservoir with storage, wherein first temperature threshold is greater than the second temperature threshold value.
6. battery pack temperature control equipment as claimed in claim 5, which is characterized in that the battery pack self-temperature-regulating control module Further include:
Vacuum pump and second switch valve, the vacuum pump are connect with the heat-insulation chamber and atmosphere respectively, and the second switch valve is set It sets between the vacuum pump and the heat-insulation chamber, after the heat-conducting medium in the heat-insulation chamber inputs in the fluid reservoir, The control module controls the first switch valve and closes, and controls the vacuum pump and second switch valve unlatching to institute Heat-insulation chamber is stated to be vacuumized.
7. battery pack temperature control equipment as claimed in claim 6, which is characterized in that the battery pack self-temperature-regulating control module Further include:
First water pump and third switch valve, first water pump are arranged on the output pipe, the third switch valve setting On the output pipe, the control module is also used to, and is higher than first temperature threshold in the environment temperature and is lower than When third temperature threshold, controls first water pump and the second switch valve is opened to pump out thermally conductive Jie in the fluid reservoir In matter to the heat-insulation chamber.
8. battery pack temperature control equipment as described in claim 1, which is characterized in that the temperature control medium switching module packet It includes:
Liquid storage tank and the 4th switch valve, the input port of the liquid storage tank is connected to the second liquid branch, described 4th switch valve is arranged on second liquid branch road, and the delivery outlet of the liquid storage tank and the first liquid branch connect It is logical；
Second water pump, second water pump are arranged on second liquid branch road.
9. battery pack temperature control equipment as claimed in claim 8, which is characterized in that the temperature control medium switching module is also wrapped Include: relief valve, the relief valve are arranged on the liquid storage tank.
10. battery pack temperature control equipment as claimed in claim 8, which is characterized in that the air heating module includes:
Heating unit, the heating unit include heater and heating chamber, and the heater is for heating in the heating chamber Air, one end of the heating chamber are connected with the other end of the first gas branch, the other end of the heating chamber with it is described The other end of second gas branch is connected；
Heating blower, the heating blower are arranged on first gas branch road, empty for controlling the heat in the heating chamber Gas is recycled between the heating chamber and the battery backpack body by the first gas branch and second gas branch.
11. battery pack temperature control equipment as claimed in claim 10, which is characterized in that
When the environment temperature is lower than second temperature threshold value and vehicle launch, the control module controls the first pipeline valve, institute It states the second pipeline valve and the third pipeline valve to close, and controls the 4th pipeline valve, the 4th switch valve and described the Two water pumps are opened so that the intracorporal coolant liquid of the battery pack to be input in the liquid storage tank, and, in the coolant liquid After being input in the liquid storage tank, controls the 4th switch valve, second water pump, the 4th pipeline valve and close It closes, and controls first pipeline valve and third pipeline valve unlatching, control the heater and heating blower operation, Wherein, the second temperature threshold value is less than the first temperature threshold.
12. battery pack temperature control equipment as claimed in claim 11, which is characterized in that the battery pack temperature control equipment Further include:
Battery temperature detection module, for detecting the operating temperature of battery cell；
The liquid storage tank is liquid heat insulation box, and the liquid heat insulation box passes through the driving motor of thermo-insulating pipe line and the vehicle Connection, the 5th switch valve of heating tube road setting.
13. battery pack temperature control equipment as claimed in claim 12, which is characterized in that
When the operating temperature of the battery cell is higher than the second temperature threshold value, the control module controls the heater Stop with the heating blower, and control first pipeline valve and third pipeline valve closing, controls second pipeline Valve, the 4th pipeline valve, the 4th switch valve and second water pump are opened, control the 5th switch valve open so that The heat that coolant liquid in the liquid heat insulation box is generated by the thermo-insulating pipe line by the driving motor, and make cold But liquid recycles between the liquid heat insulation box and the battery backpack body.
14. battery pack temperature control equipment as claimed in claim 12, which is characterized in that
When the operating temperature of the battery cell is higher than the second temperature threshold value, the control module controls the heater Stop with the heating blower, and controls first pipeline valve and third pipeline valve closing；
In the vehicle driving, the control module controls the 5th switch valve and opens, so that in the liquid heat insulation box Coolant liquid recycled between the liquid heat insulation box and the driving motor, and, in the operating temperature of the battery cell When lower than the second temperature threshold value, the control module controls second pipeline valve and the 4th pipeline valve, described the Four switch valves, the second water pump are opened, and the coolant liquid in the liquid heat insulation box is exported to the battery pack body.
15. battery pack temperature control equipment as claimed in claim 8, which is characterized in that the liquid storage tank is liquid guarantor Incubator, when stopping after vehicle driving preset time, the control module controls the 4th pipeline valve, second water pump It is opened with the 4th switch valve, so that the intracorporal coolant liquid of the battery pack is stored to the liquid heat insulation box.
16. battery pack temperature control equipment as claimed in claim 8, which is characterized in that the heat exchange refrigerating module includes:
Radiator and cooling fan, one end of the radiator are connected with the other end of the second liquid branch, the heat dissipation The other end of device is connected with the other end of the first liquid branch, is higher than third temperature threshold in the environment temperature and is lower than When four temperature thresholds, the third temperature threshold is greater than the first temperature threshold and is less than the 4th temperature threshold, the control Molding block controls first pipeline valve, the third pipeline valve closes, and controls second pipeline valve, the 4th pipeline Valve, second water pump and the cooling fan are opened so that the coolant liquid the battery backpack body and the radiator it Between recycle.
17. battery pack temperature control equipment as claimed in claim 16, which is characterized in that
The liquid storage tank is liquid heat insulation box, and the liquid heat insulation box is connected by the driving motor of thermo-insulating pipe line and vehicle It connects, the 5th switch valve of heating tube road setting, when the 5th switch valve is opened, the coolant liquid in the liquid heat insulation box passes through The thermo-insulating pipe line recycles between the liquid heat insulation box and the driving motor；
The control module is also used to, and controls the 5th switch valve and the 4th switch valve is opened, so that the coolant liquid It is recycled between the battery backpack body, the driving motor, the liquid heat insulation box and the radiator.
18. the battery pack temperature control equipment as described in claim 16 or 17, which is characterized in that the heat exchange refrigerating module Further include:
Heat exchanger and compressor, the heat exchanger are arranged on the first liquid branch road, and the compressor is to flowing through The coolant liquid for stating heat exchanger is freezed, when the environment temperature is higher than four temperature threshold, the control module Control the first pipeline valve, the third pipeline valve is closed, and control second pipeline valve, the 4th pipeline valve, described the Two water pumps, the cooling fan and the compressor are opened, and the 4th temperature threshold is greater than the third temperature threshold.
19. battery pack temperature control equipment as described in claim 1, which is characterized in that each battery cell is insulated close The film layer of envelope is wrapped up.
20. a kind of control method based on battery pack temperature control equipment described in claim 1, which is characterized in that the electricity Pond packet temperature control equipment includes cell packet module, and the cell packet module includes battery backpack body, is limited in the battery pack body Accommodation space out accommodates multiple battery cells in the accommodation space, can flow through temperature control medium around each battery cell, The cell packet module further include: first medium pipeline and second medium pipeline, wherein the first end of the first medium pipeline First pipeline valve is set, first pipeline valve is connect with one end of first gas branch, and the second of the first medium pipeline The second pipeline valve of end setting, second pipeline valve connect with one end of the first liquid branch, and the of the first medium pipeline Three ends are connected to the battery backpack body, and third pipeline valve, the third pipeline valve is arranged in the first end of the second medium pipeline It is connect with one end of second gas branch, the 4th pipeline valve, the 4th pipeline is arranged in the second end of the second medium pipeline Valve is connect with one end of second liquid branch, and the third end of the second medium pipeline is connected to the battery backpack body, wherein institute It states first gas branch and the second gas branch constitutes the gas piping, first liquid line and second liquid Body pipeline constitutes the liquid line, the battery pack temperature control equipment further include: pass through gas piping and the battery pack The connected air heating module of module, is used for the heat exchange refrigerating module being connected by liquid line with the cell packet module Switch the temperature control medium switching module of the type of the intracorporal temperature control medium of battery pack, the control method includes:
Detect environment temperature locating for cell packet module；
The air heating module, the heat exchange refrigerating module and temperature control medium switching are controlled according to the environment temperature Module is to adjust the temperature of temperature control medium in the battery pack body.
21. control method as claimed in claim 20, which is characterized in that the cell packet module further includes being located at the battery The heat-insulation chamber of backpack body periphery, the battery pack temperature control equipment further include battery pack self-temperature-regulating control module, the battery pack Self-temperature-regulating control module includes the fluid reservoir being connected with the heat-insulation chamber and first switch valve, the control method further include:
When the environment temperature is lower than the first temperature threshold and is higher than second temperature threshold value, controls the first switch valve and open So that the heat-conducting medium in the heat-insulation chamber inputs in the fluid reservoir with storage, wherein first temperature threshold is greater than institute State second temperature threshold value.
22. control method as claimed in claim 21, which is characterized in that the battery pack self-temperature-regulating control module further includes true Sky pump, the control method further include:
After the heat-conducting medium in the heat-insulation chamber inputs in the fluid reservoir, control the vacuum pump open with to it is described every Hot chamber is vacuumized.
23. the control method as described in claim 21 or 22, which is characterized in that the battery pack self-temperature-regulating control module is also wrapped Include the first water pump, the control method further include:
When the environment temperature is higher than first temperature threshold and is lower than third temperature threshold, controls first water pump and open It opens to pump out in the heat-conducting medium in the fluid reservoir to the heat-insulation chamber.
24. control method as claimed in claim 20, which is characterized in that the temperature control medium switching module includes fluid storage Case controls the air heating module, the heat exchange refrigerating module and the temperature control medium according to the environment temperature and switches Module further comprises to adjust the temperature of temperature control medium in the battery pack body:
When the environment temperature is lower than second temperature threshold value and vehicle launch, the intracorporal coolant liquid storage of the battery pack is controlled In in the liquid storage tank, the second temperature threshold value is less than the first temperature threshold；
The air heating module is controlled heat and air will be heated by the gas piping in institute by heating blower It states and is recycled between air heating module and the battery backpack body.
25. control method as claimed in claim 24, which is characterized in that the liquid storage tank is liquid heat insulation box, and institute It states liquid heat insulation box to connect by thermo-insulating pipe line with the driving motor of the vehicle, the control method further include:
Detect the operating temperature of battery cell；
When the operating temperature of the battery cell is higher than the second temperature threshold value, controls the air heating module and stop adding Heat；
It controls the coolant liquid in the liquid heat insulation box to recycle between the liquid heat insulation box and the driving motor, and controls Coolant liquid recycles between the liquid heat insulation box and the battery backpack body.
26. control method as claimed in claim 25, which is characterized in that the control method further include:
In the vehicle driving, the coolant liquid in the liquid heat insulation box is controlled in the liquid heat insulation box and driving electricity It is recycled between machine；And
When the operating temperature of the battery cell is lower than the second temperature threshold value, the cooling in the liquid heat insulation box is controlled Liquid is exported to the battery pack body.
27. control method as claimed in claim 26, which is characterized in that the control method further include:
When stopping after the vehicle driving preset time, controls the intracorporal coolant liquid of the battery pack and be stored in the liquid In incubator.
28. control method as claimed in claim 24, which is characterized in that the heat exchange refrigerating module includes radiator and cold But fan, the control method further include:
When the environment temperature is higher than third temperature threshold and is lower than four temperature thresholds, control the cooling fan open with So that the cooling fan is dried to the radiator, and controls coolant liquid and followed between the battery backpack body and the radiator Ring, wherein third temperature threshold is greater than the first temperature threshold.
29. control method as claimed in claim 28, which is characterized in that the liquid storage tank is liquid heat insulation box, described Liquid heat insulation box is connect by thermo-insulating pipe line with the driving motor of the vehicle, further includes:
The coolant liquid is controlled between the battery backpack body, the driving motor, the liquid heat insulation box and the radiator Circulation.
30. the control method as described in claim 28 or 29, which is characterized in that the heat exchange refrigerating module further includes hot friendship Parallel operation and compressor, the control method further include:
When the environment temperature is higher than four temperature thresholds, controls the coolant liquid and protected in the battery backpack body, the liquid It is recycled between incubator, the radiator and the heat exchanger, and controls the compressor start, wherein the 4th temperature Threshold value is greater than the third temperature threshold.
31. a kind of vehicle, which is characterized in that including the described in any item battery pack temperature control equipments of such as claim 1-19.
CN201610974824.8A 2016-11-04 2016-11-04 Battery pack temperature control equipment and temprature control method and vehicle Active CN106532178B (en)

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