CN209119279U - A kind of battery pack temperature control system - Google Patents
A kind of battery pack temperature control system Download PDFInfo
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- CN209119279U CN209119279U CN201822039489.XU CN201822039489U CN209119279U CN 209119279 U CN209119279 U CN 209119279U CN 201822039489 U CN201822039489 U CN 201822039489U CN 209119279 U CN209119279 U CN 209119279U
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- battery pack
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- way valve
- temperature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The utility model relates to vehicle technology fields, and in particular to a kind of battery pack temperature control system.Including expansion tank, radiator and fan assembly and for connecting water pump, fuel heater, the supervisor of temperature sensor and several battery pack liquid cooling plates, the expansion tank is connected to radiator and fan assembly water inlet, it further include waterway distributor and water route manifold valve, the supervisor is divided into several branch pipes by waterway distributor, the branch pipe is collected to supervisor by the water route manifold valve, several described battery pack liquid cooling plates are arranged in parallel on each branch pipe, the temperature sensor includes the temperature sensor TS1 being arranged between water pump downstream and waterway distributor upstream and the temperature sensor TS2 that is arranged between water pump upstream and water route manifold valve downstream.The temperature difference between battery pack is reduced, measurement accuracy is improved, keeps the calculating of battery pack target temperature more acurrate, improves battery bulk life time.
Description
Technical field
The utility model relates to vehicle technology fields, and in particular to a kind of battery pack temperature control system.
Background technique
Currently, new-energy automobile has been the main trend of Global Auto industry development.And as the big of new-energy automobile field
State, new-energy automobile develop in south China it is swift and violent, be undisputable fact in northern area continued downturn.To find out its cause, being
Since most of power battery is when temperature is higher than 40 DEG C and can all influence charge and discharge electrical efficiency, capacity and the longevity of battery lower than 0 DEG C
Life, and battery case does not add insulating layer for the needs that radiate, when the north enters winter, if outdoor temperature is -25 DEG C
When even lower, the serious charge and discharge effect for affecting power battery.
In order to solve the above problem, first is that research novel battery material and technology, improve the Acclimation temperature of power battery itself
Range improves the own temperature of power battery pack, meets the use temperature of dynamic lithium battery second is that increasing preheating, attemperator
It is required that.The mode of preheating insulation that existing electric vehicle mostly uses greatly improves the environmental suitability of battery, and existing electric vehicle follows
Loop system, each battery pack monomer are all connected on main line, and since pipeline is too long, temperature loss is larger, causes different electricity
The temperature difference between the packet of pond is larger.And battery pack is when heated, does not ensure that temperature while reaching target temperature.This results in mesh
Temperature computation inaccuracy is marked, and after the completion of heating, some battery packs are more than target temperature, and some battery packs also miss the mark
Temperature, this influences whether the service life of battery pack.
Utility model content
The purpose of this utility model provides heating temperature error between a kind of battery pack aiming at the defect of the prior art
It is small, and can guarantee that each battery pack can reach target temperature, improve the battery pack temperature control system of battery.
A kind of battery pack temperature control system of the utility model, technical solution are as follows: including expansion tank, radiator and wind
Fan assembly and the supervisor for connecting water pump, fuel heater, temperature sensor and several battery pack liquid cooling plates, the expansion
Water tank is connected to radiator and fan assembly water inlet, further includes waterway distributor and water route manifold valve, and the supervisor passes through water
Distributor is divided into several branch pipes, and the branch pipe is collected to supervisor, several described battery pack liquid by the water route manifold valve
Cold plate is arranged in parallel on each branch pipe, and the temperature sensor includes being arranged between water pump downstream and waterway distributor upstream
Temperature sensor TS1 and the temperature sensor TS2 that is arranged between water pump upstream and water route manifold valve downstream.
It is more preferred, it further include the first two-position three-way valve and the second two-position three-way valve, first two-position three-way valve
Water inlet is connect with water pump, two water outlets respectively with the water inlet and the second two-position three-way valve of radiator and fan assembly one
A water inlet connection, the water outlet of second two-position three-way valve are connect with temperature sensor TS1, second two-position three-way valve
Another water inlet connect with the water outlet of radiator and fan assembly.
It is more preferred, it further include several pressure sensors, several flow sensors and several electromagnet cut off valve, the water
Pressure sensor PS1 and flow sensor FS1, the water pump upstream and water are in series between pump downstream and waterway distributor upstream
Pressure sensor PS6 and flow sensor FS2 are in series between the manifold valve downstream of road, every road branch pipe is in waterway distributor and battery
Electromagnet cut off valve and pressure sensor are in series between packet liquid cooling plate.
It is more preferred, it further include that liquid delays depressor, electric expansion valve, triple valve and four-way valve, the four-way valve water inlet
Mouth is connected with temperature sensor downstream supervisor, and three water outlets of the four-way valve delay depressor water inlet, electronics with liquid respectively
Expansion valve water inlet and the upstream pressure sensor PS1 supervisor connection, two water inlets of the triple valve respectively with electronic expansion
Valve water outlet and the supervisor's connection of the downstream flow sensor FS2, the water outlet of the triple valve are cold by an exhaust valve and one
But liquid filter is connect with fuel heater water inlet.
The utility model has the following beneficial effects: the system can be added in extremely frigid zones to liquid cooling battery pack with suitable temperature rise
Heat, the normal charge and discharge of power battery energy, make pure electric vehicle vehicle in extremely low environment temperature in the case that guarantee environment temperature is extremely low
It is lower to operate normally；And the system can give the timely and effective cooling of battery pack when battery temperature is more than normal range of operation.
1, supervisor is split by multiple branches using waterway distributor and water route manifold valve, battery pack monomer is arranged in parallel
On each road, the length of pipe between battery pack is effectively reduced, reduces the temperature difference between battery pack, improves survey
Accuracy of measurement keeps the calculating of battery pack target temperature more acurrate, improves battery bulk life time.And each batteries in parallel connection packet branch is all provided with
Hydraulic and temperature acquisition is set, can be reached with precise control of temperature and each battery pack samming is heated to be suitble to operating mode.
2, the company between radiator and fan assembly and the circulatory system is formed using this purely mechanic component of two-position three-way valve
Fitting is isolated in a large amount of coolant liquids in radiator outside the circulatory system, greatly reduces and need to heat
Total amount of liquid, make battery pack temperature increase efficiency greatly improve.
3, triple valve and four-way valve are connected using electric expansion valve, pipeline is stifled between four-way valve downstream and triple valve upstream
When plug, partial circulating is formed, effectively reduces loine pressure, improves the safety of pipeline circulation.
4, liquid is connected by four-way valve and delays depressor, circulation fluid fluctuation caused by pump rotary speed changes is effectively reduced, improves
The measurement accuracy of flow sensor and pressure sensor.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of battery pack temperature control system of the utility model；
Fig. 2 is a kind of electrical schematics of battery pack temperature control system of the utility model；In figure: 1-expansion tank,
2-radiators and fan assembly, 3-two-position three-way valve Isosorbide-5-Nitraes-two-position three-way valve, 2,5-temperature sensor TS1,6-four-way valves,
7-liquid delay depressor, 8-pressure sensor PS1,9-flow sensor FS1,10-waterway distributors, 11-electromagnet cut off valve
4,12-electromagnet cut off valve, 3,13-electromagnet cut off valve, 2,14-electromagnet cut off valve, 1,15-pressure sensor PS5,16-pressure
Sensor PS4,17-pressure sensor PS3,18-pressure sensor PS2,19-battery pack, 4 liquid cooling plate, 20-battery pack, 3 liquid
Cold plate, 21-battery pack, 2 liquid cooling plate, 22-battery pack, 1 liquid cooling plate, 23-water route manifold valves, 24-pressure sensor PS6,
25-temperature sensor TS2,26-check valves, 27-flow sensor FS2,28-triple valves, 29-electric expansion valves, 30-
Exhaust valve, 31-coolant filters, 32-fuel heaters, 33-water pumps, 34-system controllers, 35-battery BMS systems
System, 36-remote control modules, 37-entire car controllers.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, convenient for being well understood
The utility model, but they do not constitute the utility model and limit.
As shown in Figure 1, including expansion tank 1, radiator and fan assembly 2 and for connecting water pump 33, fuel heater
32, the supervisor of temperature sensor and several battery pack liquid cooling plates.The expansion tank 1 is intake with radiator and fan assembly 2
Mouthful connection, further includes waterway distributor 10 and water route manifold valve 23, and the supervisor is divided by waterway distributor 10 for several branch pipes,
The branch pipe is collected to supervisor, several described battery pack liquid cooling plates, including 1 battery pack, 4 liquid by the water route manifold valve 23
Cold plate 9,3 liquid cooling plate 20 of battery pack, 2 liquid cooling plate 21 of battery pack, 1 liquid cooling plate 22 of battery pack are arranged in parallel on each branch pipe.Institute
Temperature sensor is stated to include the temperature sensor TS15 being arranged between water pump downstream and waterway distributor upstream and be arranged in water
Pump the temperature sensor TS2 25 between upstream and 23 downstream of water route manifold valve.
It is more preferred, it further include the first two-position three-way valve 3 (i.e. two-position three-way valve 1) and the second two-position three-way valve 4 (i.e. two
Position three-way valve 2), the water inlet of first two-position three-way valve 3 is connect with water pump 33, two water outlets respectively with radiator and wind
Fan the water inlet connection of the water inlet and the second two-position three-way valve 4 of assembly 2, the water outlet of second two-position three-way valve 4
It is connect with temperature sensor TS15, another water inlet and radiator of second two-position three-way valve 4 and going out for fan assembly 2
Mouth of a river connection.
It is more preferred, it further include several pressure sensors, several flow sensors and several electromagnet cut off valve, the water
It pumps and is in series with pressure sensor PS1 8 and flow sensor FS1 9, the water pump between 10 upstream of 33 downstreams and waterway distributor
Pressure sensor PS6 24 and flow sensor FS2 27, every road branch pipe are in series between 23 downstream of 33 upstreams and water route manifold valve
Electromagnet cut off valve 11~14 and pressure sensor are in series between waterway distributor 10 and battery pack liquid cooling plate.Wherein, it presses
Force snesor includes pressure sensor PS5 15, pressure sensor PS4 16, pressure sensor PS3 17, pressure sensor PS2
18。
It is more preferred, it further include that liquid delays depressor 7, electric expansion valve 29, triple valve 28 and four-way valve 6, the four-way
6 water inlet of valve and 5 downstream of temperature sensor supervisor connect, three water outlets of the four-way valve 6 delay respectively with liquid depressor 7 into
The mouth of a river, 29 water inlet of electric expansion valve and the supervisor's connection of 8 upstream pressure sensor PS1, two water inlets of the triple valve 28
It is connected respectively with 29 water outlet of electric expansion valve and 27 downstream flow sensor FS2 supervisor, the water outlet of the triple valve 28 is logical
It crosses an exhaust valve 30 and a coolant filter 31 is connect with 32 water inlet of fuel heater.
Liquid delays depressor 7, for absorbing the pressure oscillation generated when water pump 33 is run, guarantees the parameter of each sensor acquisition
It is more accurate；It is also equipped with check valve 26 in pipeline, guarantees the pressure of adjustable system coolant liquid, prevents the reaction of pressure；
Exhaust valve 30, the bubble discharge line that can will be generated in pipeline；With four-way valve 6, triple valve 28, by electric expansion valve in embodiment
29 and it is connected to pipeline, it is cooling with heating-system-controller 34 when the loine pressure caused by downstream pipe blocking rapidly increases
Valve opening is controlled, guarantees system line pressures in the reasonable scope；There is electromagnet cut off valve 11,12,13,14 in embodiment, if
It is placed in each battery pack liquid cooling branch road, when the failure of battery pack downstream pipe can disconnect the branch.
As shown in Fig. 2, the system receives the telecommand for the starting heating system that driver issues by remote control module 36；
It cools down in embodiment and is connected by CAN bus with battery pack BMS 35 with heating-system-controller 34, receive battery relevant information
(temperature data including each battery pack).Or fault message is sent to entire car controller 37, the system control is according to battery
Relevant information and operating mode control the water pump, radiator fan, liquid heater, two-position three-way valve, electromagnet cut off valve etc..
The System Working Principle is as follows:
For vehicle in dead ship condition, driver presses manual or remote control switch, issues the instruction of activation system.Cooling and heating
System controller is calculated according to the temperature information that BMS is sended over, and judges that system is into refrigerating mode, solution heat pattern or not
The mode of operation.
If system detection passes through and judges to enter refrigerating mode, system controller calculates electromagnetism according to battery pack temperature value
Battery pack temperature is reduced to ideal working temperature range by the revolving speed of fan, the revolving speed of water pump and flow rate of liquid, continuous service, and
Continuous service system keeps the temperature to issue the message information that power battery powers off to vehicle.
If system detection passes through and judges to enter heating mode, the specially described system controller control pump operation is to most
High revolving speed, while to two two-position three-way valve power supplies, by radiator and fan assembly access system conduit, to system pipeline
It carries out fluid infusion and excludes the air in liquid；After running 60S or so, system controller will be dissipated to two two-position three-way valve power-off
Hot device and fan assembly isolate system, and system controller sends enabled instruction to fuel heater, and fuel heater preheats about
Start ignition operation after 60S；, system controller calculates according to the temperature parameter of battery pack and the temperature parameter of liquid cooling system
Most suitable system liquid heating temperature (i.e. target heating temperature T1), the revolving speed of water pump and loine pressure, fuel heater
Power etc., begins to warm up to battery pack.When fluid temperature is more than setting value T3 in circuit, the system controller can start in due course
Or two two-position three-way valves of shutdown, radiator and fan assembly are accessed or isolate fluid loop, utilizes the liquid in radiator
Body adjusts temperature；When fluid temperature is more than setting value T4 in circuit, the system controller can start or shut down two in due course
Radiator and fan assembly are accessed or isolate fluid loop, and control the revolving speed of radiator fan to adjust by two-position three-way valve
Fluid temperature；It is carried out in next step when system operates normally, wherein T1 < T3 < T4；After heating, when system persistently adds to battery pack
When heat is to suitable temperature, BMS continues to monitor battery pack each point temperature, when monitoring has some battery pack temperature slightly lower, the system
Controller meeting controlling brancher electromagnet cut off valve shutdown has reached the battery pack branch for requiring temperature, does not reach the battery pack branch of requirement
Road continues to run, until all battery pack temperature reach in consistent or reasonable the temperature difference range.
The content that this specification is not described in detail belongs to the prior art well known to professional and technical personnel in the field.
Claims (4)
1. a kind of battery pack temperature control system, including expansion tank (1), radiator and fan assembly (2) and for connecting water
Pump (33), fuel heater (32), temperature sensor and several battery pack liquid cooling plates supervisor, the expansion tank (1) with
Radiator and the connection of fan assembly (2) water inlet, it is characterised in that: further include waterway distributor (10) and water route manifold valve
(23), the supervisor is divided into several branch pipes by waterway distributor (10), and the branch pipe is converged by the water route manifold valve (23)
To being responsible for, several described battery pack liquid cooling plates are arranged in parallel on each branch pipe collection, and the temperature sensor includes that setting exists
Temperature sensor TS1 (5) between water pump (33) downstream and waterway distributor (10) upstream and setting water pump (33) upstream with
Temperature sensor TS2 (25) between water route manifold valve (23) downstream.
2. battery pack temperature control system according to claim 1, it is characterised in that: further include the first two-position three-way valve
(3) it is connect with the second two-position three-way valve (4), the water inlet of first two-position three-way valve (3) with water pump (33), two water outlets
It is connect respectively with a water inlet of the water inlet and the second two-position three-way valve (4) of radiator and fan assembly (2), described second
The water outlet of two-position three-way valve (4) is connect with temperature sensor TS1 (5), another water inlet of second two-position three-way valve (4)
Mouth is connect with the water outlet of radiator and fan assembly (2).
3. battery pack temperature control system according to claim 1, it is characterised in that: further include several pressure sensors,
Several flow sensors and several electromagnet cut off valve are in series between water pump (33) downstream and waterway distributor (10) upstream
Pressure sensor PS1 (8) and flow sensor FS1 (9) goes here and there between water pump (33) upstream and water route manifold valve (23) downstream
It is associated with pressure sensor PS6 (24) and flow sensor FS2 (27), every road branch pipe is in waterway distributor (10) and battery pack liquid cooling
Electromagnet cut off valve and pressure sensor are in series between plate.
4. battery pack temperature control system according to claim 3, it is characterised in that: further include that liquid delays depressor (7), electricity
Sub- expansion valve (29), triple valve (28) and four-way valve (6), four-way valve (6) water inlet and temperature sensor downstream supervisor connect
Connect, three water outlets of the four-way valve (6) delay respectively with liquid depressor (7) water inlet, electric expansion valve (29) water inlet and
The supervisor's connection of (8) upstream pressure sensor PS1, two water inlets of the triple valve (28) go out with electric expansion valve (29) respectively
The mouth of a river and the supervisor's connection of (27) downstream flow sensor FS2, the water outlet of the triple valve (28) pass through an exhaust valve (26)
It is connect with a coolant filter (31) with fuel heater (32) water inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822039489.XU CN209119279U (en) | 2018-12-04 | 2018-12-04 | A kind of battery pack temperature control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822039489.XU CN209119279U (en) | 2018-12-04 | 2018-12-04 | A kind of battery pack temperature control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209119279U true CN209119279U (en) | 2019-07-16 |
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ID=67207669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822039489.XU Active CN209119279U (en) | 2018-12-04 | 2018-12-04 | A kind of battery pack temperature control system |
Country Status (1)
| Country | Link |
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| CN (1) | CN209119279U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109411850A (en) * | 2018-12-04 | 2019-03-01 | 东风电动车辆股份有限公司 | A kind of battery pack temperature control system and method |
| WO2021010677A1 (en) * | 2019-07-17 | 2021-01-21 | 주식회사 엘지화학 | Battery rack and power storage apparatus comprising same |
| CN112304635A (en) * | 2020-10-23 | 2021-02-02 | 潍柴动力股份有限公司 | Electric drive system fault detection device, detection system and detection method |
-
2018
- 2018-12-04 CN CN201822039489.XU patent/CN209119279U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109411850A (en) * | 2018-12-04 | 2019-03-01 | 东风电动车辆股份有限公司 | A kind of battery pack temperature control system and method |
| WO2021010677A1 (en) * | 2019-07-17 | 2021-01-21 | 주식회사 엘지화학 | Battery rack and power storage apparatus comprising same |
| CN112304635A (en) * | 2020-10-23 | 2021-02-02 | 潍柴动力股份有限公司 | Electric drive system fault detection device, detection system and detection method |
| CN112304635B (en) * | 2020-10-23 | 2023-05-23 | 潍柴动力股份有限公司 | Electric drive system fault detection device, detection system and detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200117 Address after: 430056 No. 339 Chaoyang Avenue, Wuhan Economic and Technological Development Zone, Wuhan City, Hubei Province Patentee after: Zhixin Technology Co., Ltd Address before: 430056 Dongfeng Electric Vehicle Co., Ltd. 339 Chaoyang Avenue, Wuhan Economic and Technological Development Zone, Hubei Province Patentee before: Dongfeng Electric Vehicles Co., Ltd. |
|
| TR01 | Transfer of patent right |