CN207834534U - Battery pack temperature control device and battery pack temperature control system - Google Patents

Battery pack temperature control device and battery pack temperature control system Download PDF

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Publication number
CN207834534U
CN207834534U CN201721769376.4U CN201721769376U CN207834534U CN 207834534 U CN207834534 U CN 207834534U CN 201721769376 U CN201721769376 U CN 201721769376U CN 207834534 U CN207834534 U CN 207834534U
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China
Prior art keywords
temperature
battery pack
coolant
coolant liquid
liquid
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CN201721769376.4U
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叶敬伟
彭高军
徐佼
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Tianjin Rail Transportation Group Co Ltd
CRRC Tangshan Co Ltd
New United Rail Transit Technology Co Ltd
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Tianjin Rail Transportation Group Co Ltd
CRRC Tangshan Co Ltd
New United Rail Transit Technology Co Ltd
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Priority to CN201721769376.4U priority Critical patent/CN207834534U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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Abstract

The utility model is related to battery pack temperature control device and battery pack temperature control systems, including:Coolant circulation system is adjusted battery pack temperature suitable for passing through coolant liquid;Humidity control system is suitable for adjusting coolant liquid into trip temperature.The battery pack temperature control device, with real time monitoring cooling pipe temperature, drive coolant liquid cycle, coolant liquid is heated automatically after more than set temperature, is freezed, it realizes and the reliable temperature of lithium battery monomer stabilization is controlled, the heating problem in lithium battery charging, discharge process is solved, adaptability of the lithium battery to high temperature, low temperature environment is greatly improved.

Description

Battery pack temperature control device and battery pack temperature control system
Technical field
The utility model belongs to vehicular traffic technical field, and in particular to a kind of battery pack temperature control device and battery pack Temperature control system.
Background technology
The battery types used in the urgent traction technique of accumulator of track vehicle application at present be mainly high magnification, The lead-acid battery or nickel-cadmium cell of ultra-high magnifications.Lead-acid battery and nickel-cadmium cell technology maturation, there is that price is low, simple production process The advantage low with maintenance cost.Especially lead-acid battery and nickel-cadmium cell have calorific value small, and the consistency of battery cell is good etc. Advantage, thus battery cell need not be monitored and temperature control.It can be real using the battery traction of the type battery Shunting for existing relatively short distance is rescued certainly with vehicle.
But the accumulator of lead-acid battery and nickel-cadmium cell is used promptly to draw, the specific power for being limited to battery is small, energy The problems such as density is small, train cannot achieve steep gradient and long-distance running, and be served only for short distance in library now shunts more.With storage The raising of the urgent hauling ability index of battery, the requirement to battery are also higher and higher.Because lithium battery has service life cycle The features such as length, energy density are high, efficiency for charge-discharge is high, volume and weight is small, environmentally friendly, safe and non-maintaining, so lithium in recent years Battery gradually starts to apply in accumulator is promptly drawn.But the application of lithium battery is very heavy to the temperature control of battery cell It wants, once temperature control can cause the reduction of battery traction function even to be lost, so finding a kind of efficient, reliable and stable Battery module temperature control equipment is highly desirable.
Utility model content
The purpose of this utility model is to provide a kind of battery pack temperature control device, is existed with solving lithium battery in the prior art It can not effectively be realized in application process and lithium battery group is regulated and controled into trip temperature.
In order to solve the above-mentioned technical problem, the utility model provides a kind of battery pack temperature control device, including:It is cooling Fluid circulation is adjusted battery pack temperature suitable for passing through coolant liquid;Humidity control system is suitable for carrying out temperature to coolant liquid Degree is adjusted.
Optionally, the coolant circulation system includes:The inlet and outlet pipe lines circulated suitable for coolant liquid;Suitable for storage The water tank of coolant liquid;Suitable for driving the water pump of coolant liquid cycle;Suitable for excluding the air bleeding valve of gas in coolant liquid;And suitable for pair The heater that coolant liquid heats in the water tank;The heater is suitable for heating coolant liquid in the water tank.
Optionally, the inlet and outlet pipe lines include:Inlet and outlet pipes, wherein being equipped at the water inlet line Temperature sensor, to detect coolant temperature;And cock is installed at the outlet conduit end, to detect cooling liquid stream Dynamic state.
Optionally, the humidity control system includes:Compressor, evaporator, condenser, expansion valve and heater, wherein The liquid refrigerant for the low-temp low-pressure that the evaporator is suitable for exporting the expansion valve carries out heat exchange with coolant liquid, and gasification is inhaled Thermosetting low pressure refrigerant vapor;The refrigerant that the compressor is suitable for sucking low-temp low-pressure from the evaporator air intake duct steams The refrigerant gas of high temperature and pressure is discharged in vapour after compression;The height that the condenser is suitable for be discharged after the compressor compresses The refrigerant gas of warm high pressure, radiates through extraneous air, forms high pressure refrigerant liquid;And be suitable for will be described for the expansion valve The high pressure refrigerant liquid of condenser output, throttles into low-temp low-pressure liquid refrigerant.
Optionally, the battery pack temperature control device further includes:For monitoring the water tank internal coolant water level Liquid level sensor;And the condenser back side is adapted to mount to carry out cooling fan to condenser.
Optionally, the battery pack temperature control device further includes:Suitable for adjusting system to coolant circulation system and temperature The external control system that system is controlled, wherein the external control system includes:Control box, the control box are suitable for setting cold But liquid desired temperature value and temperature control bound;When coolant temperature is in control range, the control box controls water pump Work;When coolant temperature is less than temperature lower control limit, the control box control humidity control system starts heating mode, right Coolant liquid heats, until reaching set temperature value;When coolant temperature is higher than temperature upper control limit, the control box control temperature It spends regulating system and starts refrigeration mode, cool down to coolant liquid, until reaching set temperature value.
Another aspect, the utility model additionally provide a kind of battery pack temperature control system, including battery pack temperature control Device.
The utility model has the beneficial effects that using lithium battery group temperature control equipment, there is real time monitoring cooling pipe Temperature, driving coolant liquid cycle, automatically heats coolant liquid after more than set temperature, is freezed, realized to lithium battery The reliable temperature control of monomer stabilization, solves the heating problem in lithium battery charging, discharge process, lithium battery is greatly improved to height Temperature, the adaptability of low temperature environment.
Description of the drawings
In order to illustrate more clearly of the technical solution of the utility model embodiment, the attached drawing of embodiment will be made below simple Ground introduction, it should be apparent that, the accompanying drawings in the following description merely relates to some embodiments of the utility model, rather than to this practicality Novel limitation.
Fig. 1 is the stereogram of the battery pack temperature control device of the utility model;
Fig. 2 is the front view of the battery pack temperature control device of the utility model;
Fig. 3 is the vertical view of the battery pack temperature control device removal head cover of the utility model;
Fig. 4 is the inlet and outlet pipe figure between the battery pack temperature control device of the utility model and battery module.In figure:
Coolant circulation system 100, humidity control system 200, shell 2, cock 3,
4 temperature sensor 5 of liquid level sensor, compressor 6, evaporator 7, condenser 8, expansion valve 9,
Air bleeding valve 10, water pump 11, water tank 12, fan 13, harness 14,
Inlet and outlet pipe lines 15, water inlet line 151, outlet conduit 152;Heater 16, control box 17.
Specific implementation mode
The Fig. 1 to Fig. 4 being discussed below, and the various realities in this patent document for describing the principles of the present invention It applies example to be intended merely to illustrate, without should be to be considered as limiting the scope of the utility model in any way.People in the art Member is it will be appreciated that the principles of the present invention can be embodied in any suitably battery pack temperature control device.For describing The term of various embodiments is exemplary.It should be understood that providing these only to assist in understanding this specification, and it Use and define and do not limit the scope of the utility model in any way.Had to distinguish using term first, second etc. The object of same term collection, and be not intended to indicate chronological order in any way, unless expressly stated otherwise,.Group is defined as wrapping Non-empty group containing at least one element.
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer The technical solution of the utility model embodiment is clearly and completely described in the attached drawing of type embodiment.Obviously, described Embodiment is a part of the embodiment of the utility model, instead of all the embodiments.Based on described the utility model Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of without creative work, all belongs to In the scope of protection of the utility model.It should be understood that exemplary embodiments described herein should be to be considered only as retouching The property stated, rather than the purpose for limitation.It should usual quilt to the description of the features or aspect in each exemplary embodiment Think to can be used for features or aspect similar in other exemplary embodiments.
Embodiment 1
The stereogram of battery pack temperature control device accoding to exemplary embodiment as illustrated in FIG. 1, battery pack in figure Temperature control equipment includes:Coolant circulation system 100, humidity control system 200, external control system 300.Wherein coolant liquid The circulatory system 100 is suitable for that battery pack temperature is adjusted by coolant liquid, and humidity control system 200 is suitable for carrying out coolant liquid Temperature is adjusted, and external control system 300 is suitable for controlling coolant circulation system and humidity control system.
Battery pack includes at least one battery module.
In the present embodiment control box 17 be battery pack temperature control device control section, can adjust preset temperature and The temperature difference, control temperature control equipment are in standby cycle, heating or refrigeration work state;Control box 17 passes through harness 14 and battery Other electric components of group temperature control equipment form electrical connection.Battery pack temperature control device passes through external four fixed seats peace Inside the urgent traction accumulator case of rail vehicle;It is mounted with that liquid level sensor 4 is used for supervising outside temperature control equipment shell 2 Survey water tank internal coolant water level;Inlet and outlet pipe lines 15 are also connected with outside temperature control equipment shell 2, cock 3 is mounted on On outlet conduit 152, coolant flow is monitored, working signal is sent to rail traffic vehicles.
The front view of battery pack temperature control device accoding to exemplary embodiment as illustrated in FIG. 2 outputs in figure 100 structure composition of humidity control system comprising the inlet and outlet pipe lines 15 circulated suitable for coolant liquid;Suitable for storing coolant liquid Water tank 12;Suitable for driving the water pump 11 of coolant liquid cycle;Suitable for excluding the air bleeding valve 10 of gas in coolant liquid, to keep cooling Efficiency.Inlet and outlet pipe lines 15 include:Water inlet line 151 and outlet conduit 152 are wherein equipped with temperature biography at water inlet line 151 Sensor 5, to detect coolant temperature;And cock 3 is installed at 152 end of outlet conduit, to detect coolant flow shape State, for detecting whether coolant liquid flows.
Coolant liquid desired temperature is set by control box 17 and temperature controls bound, works as coolant temperature under normal circumstances When in control range, battery pack temperature control device can control the work of water pump 11, be in standby cycle pattern;Work as coolant liquid When actual temperature is less than temperature lower control limit, start heating mode automatically, coolant liquid is heated, until reach set temperature value, And when coolant liquid actual temperature is higher than temperature upper control limit, start refrigeration mode automatically, cool down to coolant liquid, is set until reaching Constant temperature angle value, operating mode switching is automatically controlled by control box 17 completely is not required to manual switching;Temperature sensor 5 be mounted on into On waterpipe 151, for monitoring the coolant temperature for flowing into battery pack temperature control device, to reach monitoring controlled plant temperature The effect of degree.
The vertical view of battery pack temperature control device removal head cover accoding to exemplary embodiment as illustrated in FIG. 3, figure In illustrate humidity control system 200 internal structure composition.Humidity control system 200 includes:It is compressor 6, evaporator 7, cold Condenser 8, expansion valve 9, heater 16 and fan 13.
Evaporator 7 is the liquid refrigerant and coolant liquid of the low-temp low-pressure for exporting expansion valve 9 in the present embodiment Heat exchange is carried out, gasification heat absorption forms low pressure refrigerant vapor, to cool down to coolant liquid, achievees the effect that refrigeration;Compressor 6 The refrigerant vapour that low-temp low-pressure is sucked from 7 air intake duct of evaporator is operated by motor after being compressed to it with piston, to The refrigerant gas of high temperature and pressure is discharged in exhaust pipe, and power is provided for refrigeration cycle;The high temperature that condenser 8 compresses compressor 6 The refrigerant vapour of high pressure, radiates by extraneous air, and forms high pressure refrigerant liquid;Expansion valve 9 exports condenser 8 High pressure refrigerant liquid throttles into low-temp low-pressure liquid refrigerant;Fan 13 is mounted on 8 back side of condenser, is used for work Condenser 8 radiates;;And the heater 16 suitable for being heated to coolant liquid in water tank 12.
Coolant liquid enters water tank 12 from water inlet line 151, and the liquid system of evaporator 7 and low-temp low-pressure is flowed under refrigeration mode Cryogen carries out heat exchange, is cooled down, is then flowed out by outlet conduit 152, cooled down to battery module.It arranges on 12 top of water tank The gas that air valve 10 is used for being discharged in coolant liquid keeps cooling efficiency.Gasify after liquid refrigerant heat absorption, into compressor 6;Pressure Contracting machine 6 does work to the refrigerant vapour of the low-temp low-pressure of sucking, so that it is converted into high-temperature high-pressure state, flows to condenser 8;Cold Refrigerant vapour under 8 high temperature high pressure conditions of condenser carries out heat exchange with cool exterior air, become after condensation highly pressurised liquid into Enter expansion valve 9;The high pressure refrigerant liquid that expansion valve 9 exports condenser 8 throttles into low-temp low-pressure liquid refrigerant, cocurrent Enter in evaporator, cooling cycle is carried out to coolant liquid.
Coolant liquid is liquid cooling medium in the present embodiment, is reached with circulating by the temperature of control coolant liquid Control the purpose of battery module temperature;Heater 16 is mounted on inside water tank, and when temperature is too low, work is for heated cooling fluid; Inlet and outlet pipe lines 15 are the flow channel of coolant liquid;Control box 17 is the control section of temperature control equipment, can be adjusted default Temperature and the temperature difference, control temperature control equipment are in standby cycle, heating or refrigeration work state;17 He of box in order to control of harness 14 Electrical connection between other electric components.
In the present embodiment under heating mode, the heater 16 in water tank 12 heats the coolant liquid of inflow, then It is flowed out via evaporator, battery module is heated.Compressor 6 and expansion valve 9 do not work at this time.
Inlet and outlet water between battery pack temperature control device and battery module accoding to exemplary embodiment as illustrated in FIG. 4 Piping diagram, wherein coolant liquid, which are driven by water pump 11 from the outlet conduit 152 of battery pack temperature control device, to flow out, along blue Circuit enters the water inlet of battery module, and coolant liquid is flowed out from water outlet along red circuit after the pipeline built in battery module Summarize the water inlet line 151 into battery pack temperature control device.The one action cycle of coolant liquid is realized with this.
In the present embodiment, the shell 2 of battery pack temperature control device is made of the material of low-density, such as aluminium, fiberglass Deng to meet lightweight requirements;2 structural strength of shell of battery pack temperature control device and mounting means must satisfy iron simultaneously The related request of road product;
In the present embodiment, normally opened or normally-closed contact can be selected inside cock, when the flow rate of liquid in pipeline is more than Inner contact is closed or disconnects when the action specified value of cock, and the liquid flow signals of monitoring are sent out;
In the present embodiment, coolant liquid is that liquid anti-freeze (such as, but not limited to ethylene glycol, glycerine etc.) and distilled water are pressed The liquid cooling medium that certain proportion is mixed to form, antifreezing agent can be required according to the minimum temperature of product operating ambient temperature into Row selection.
Embodiment 2
On the basis of embodiment 1, the present embodiment 2 provides a kind of battery pack temperature control system.
Concrete structure about battery pack temperature control device is elaborated in embodiment 1, no longer superfluous herein It states.
The utility model has the beneficial effects that using lithium battery group temperature control equipment, there is real time monitoring cooling pipe Temperature, driving coolant liquid cycle, automatically heats coolant liquid after more than set temperature, is freezed, realized to lithium battery The reliable temperature control of monomer stabilization, solves the heating problem in lithium battery charging, discharge process, lithium battery is greatly improved to height Temperature, the adaptability of low temperature environment.
On the basis of above-described embodiment, the present embodiment is enlightenment with the above-mentioned desirable embodiment according to the utility model, is led to Cross above-mentioned description, relevant staff completely can in the range of without departing from this item utility model technological thought, into Row various changes and amendments.The technical scope of this item utility model is not limited to the contents of the specification, it is necessary to Its technical scope is determined according to right.

Claims (7)

1. a kind of battery pack temperature control device, which is characterized in that including:
Coolant circulation system (100), is adjusted battery pack temperature suitable for passing through coolant liquid;
Humidity control system (200) is suitable for adjusting coolant liquid into trip temperature.
2. battery pack temperature control device according to claim 1, which is characterized in that
The coolant circulation system (100) includes:
The inlet and outlet pipe lines (15) circulated suitable for coolant liquid;
Suitable for storing the water tank (12) of coolant liquid;
Suitable for driving the water pump (11) of coolant liquid cycle;
Suitable for excluding the air bleeding valve (10) of gas in coolant liquid.
3. battery pack temperature control device according to claim 2, which is characterized in that
The inlet and outlet pipe lines (15) include:
Water inlet line (151) and outlet conduit (152), wherein
Temperature sensor (5) is installed at the water inlet line (151), to detect coolant temperature;And
Cock (3) is installed at the outlet conduit (152) end, to detect coolant flow state.
4. battery pack temperature control device according to claim 1, which is characterized in that
The humidity control system (200) includes:Compressor (6), evaporator (7), condenser (8), expansion valve (9) and heater (16), wherein
The liquid refrigerant for the low-temp low-pressure that the evaporator (7) is suitable for exporting the expansion valve (9) carries out heat with coolant liquid It exchanges, gasification heat absorption forms low pressure refrigerant vapor;
The compressor (6) is suitable for sucking the refrigerant vapour of low-temp low-pressure, compressed heel row from the evaporator (7) air intake duct Go out the refrigerant gas of high temperature and pressure;
The refrigerant gas for the high temperature and pressure that the condenser (8) is suitable for being discharged after compressing the compressor (6), through external empty Gas radiates, and forms high pressure refrigerant liquid;
The high pressure refrigerant liquid that the expansion valve (9) is suitable for exporting the condenser (8) throttles into low-temp low-pressure liquid system Cryogen;And
The heater (16) is suitable for heating coolant liquid in water tank (12).
5. according to claim 1-4 any one of them battery pack temperature control devices, which is characterized in that
The battery pack temperature control device further includes:
Liquid level sensor (4) for monitoring water tank (12) internal coolant water level;And
The condenser back side is adapted to mount to carry out cooling fan (13) to condenser.
6. battery pack temperature control device according to claim 5, which is characterized in that
The battery pack temperature control device further includes:Suitable for what is controlled coolant circulation system and humidity control system External control system (300), wherein
The external control system (300) includes:Control box (17),
The control box (17) is suitable for setting coolant liquid desired temperature value and temperature controls bound;
When coolant temperature is in control range, control box (17) the control water pump (11) works;
When coolant temperature is less than temperature lower control limit, control box (17) the control humidity control system starts heating mould Formula heats coolant liquid, until reaching set temperature value;
When coolant temperature is higher than temperature upper control limit, control box (17) the control humidity control system starts refrigeration mould Formula cools down to coolant liquid, until reaching set temperature value.
7. a kind of battery pack temperature control system, which is characterized in that including battery pack temperature as claimed in any one of claims 1 to 6 Spend control device.
CN201721769376.4U 2017-12-18 2017-12-18 Battery pack temperature control device and battery pack temperature control system Active CN207834534U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721769376.4U CN207834534U (en) 2017-12-18 2017-12-18 Battery pack temperature control device and battery pack temperature control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721769376.4U CN207834534U (en) 2017-12-18 2017-12-18 Battery pack temperature control device and battery pack temperature control system

Publications (1)

Publication Number Publication Date
CN207834534U true CN207834534U (en) 2018-09-07

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112076414A (en) * 2020-08-12 2020-12-15 深圳供电局有限公司 Fire fighting equipment and method for container type energy storage system
CN112467246A (en) * 2020-11-25 2021-03-09 中国第一汽车股份有限公司 Battery cooling system and battery cooling control method
CN114473273A (en) * 2022-03-14 2022-05-13 二重(德阳)重型装备有限公司 Liquid cooling support tool for plug-in type connecting pipe and anti-deformation method for reactor core measuring pipe

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112076414A (en) * 2020-08-12 2020-12-15 深圳供电局有限公司 Fire fighting equipment and method for container type energy storage system
CN112467246A (en) * 2020-11-25 2021-03-09 中国第一汽车股份有限公司 Battery cooling system and battery cooling control method
CN114473273A (en) * 2022-03-14 2022-05-13 二重(德阳)重型装备有限公司 Liquid cooling support tool for plug-in type connecting pipe and anti-deformation method for reactor core measuring pipe
CN114473273B (en) * 2022-03-14 2023-01-20 二重(德阳)重型装备有限公司 Liquid cooling support tool for plug-in type connecting pipe and anti-deformation method for reactor core measuring pipe

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