CN207664204U - A kind of lithium battery multi-step temperature control device - Google Patents
A kind of lithium battery multi-step temperature control device Download PDFInfo
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- CN207664204U CN207664204U CN201721682253.7U CN201721682253U CN207664204U CN 207664204 U CN207664204 U CN 207664204U CN 201721682253 U CN201721682253 U CN 201721682253U CN 207664204 U CN207664204 U CN 207664204U
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- Prior art keywords
- heat
- lithium battery
- heat sink
- air
- babinet
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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
Abstract
The utility model discloses a kind of lithium battery multi-step temperature control device, it includes：For the heat sink of refrigerant flowing, it is connected to below battery module and is equipped with stomata；Babinet, is equipped with the air port entered for outflow air flow path, and babinet is externally provided with compressor, tubular wine wheel and switches over cooling or heating mode four-way valve by controlling refrigerant flow direction；The auxiliary heat of electricity of auxiliary air heating, is arranged in the babinet；The control system of multi-step temperature control device operation is controlled, is arranged in babinet.The utility model can take targetedly temperature control measures according to lithium battery under varying environment, different temperatures, effectively control battery temperature according to battery service condition, improve battery effective utilization.
Description
Technical field
The utility model belongs to technical field of lithium batteries, more particularly to a kind of lithium battery multi-step temperature control device.
Background technology
In battery applications, temperature is huge on the influence of lithium battery performance, and lithium battery voltage, SOC, service life, is filled capacity
The key indexes such as discharging efficiency are closely bound up with temperature.Temperature is excessively high, it is too low can all battery life be made acutely to decline, and may
Cause system safety problem.
Different lithium batteries, which use, different preference temperature scopes, but in varying environment use, different charging and discharging states
Under, the running temperature of lithium battery is variation, should thus be directed to the actual temperature of lithium battery, different temperature controls is taken to arrange
It applies.
Single measure is mostly used for lithium battery temperature control at present, and radiating efficiency is uncontrollable, lithium battery is caused to use
In the case that environment is changeable, temperature, which is unable to get, targetedly to be controlled.
Utility model content
The utility model provides a kind of lithium battery multi-step temperature control device, which can be according to lithium battery in different rings
Targetedly temperature control measures are taken under border, different temperatures, solving the lithium battery caused by radiating efficiency is uncontrollable makes
With environment it is changeable when temperature be unable to get specific aim control the problem of.
To achieve the above object, the utility model provides a kind of lithium battery multi-step temperature control device, it includes：
For the heat sink of refrigerant flowing, it is connected to below battery module and is equipped with stomata；
Babinet is equipped with the air port entered for outflow air flow path；The babinet is externally provided with compressor, tubular wine wheel and passes through control
The four-way valve of the switching cooling of refrigeration matchmaker flow direction or heating mode；
The auxiliary heat of electricity of auxiliary air heating, is arranged in the babinet；
The control system of multi-step temperature control device operation is controlled, is arranged in the babinet.
Preferably, the heat sink includes air-cooled state, direct-cooled state and air-cooled plus direct-cooled state.
Preferably, the heat sink is equipped with upper layer heat-conducting plate and lower layer's heat-conducting plate, the upper layer heat-conducting plate and lower layer's heat conduction
The copper pipe flowed for refrigerant is equipped between plate；The upper layer heat-conducting plate and lower layer's heat-conducting plate open up the gas flowed for air
Hole.
Preferably, the heat-conducting plate is metal heat-conducting harden structure.
Preferably, the babinet is arranged below the heat sink；
The compressor of heat transfer or thermal convection current or thermal convection current heat transfer state, through-flow wind are cooperatively formed with the auxiliary heat of electricity
Wheel and four-way valve are arranged in the protective cover outside the babinet.
Preferably, the protective cover is additionally provided with condenser and throttle valve, the four-way valve respectively with compressor, condenser and
The heat sink connection, the heat sink are connect by the throttle valve with the condenser.
Preferably, the battery module is arranged below battery pack upper cover.
Preferably, the air-cooled state is：
When lithium battery temperature reaches the first radiating mode early warning temperature, control system, which starts tubular wine wheel, makes air by case
The air inlet of body flows into, and flows through the stomata of heat sink and is blown over from battery module, is flowed out from the exhaust outlet of babinet and heat sheds；
The direct-cooled state is：
When lithium battery temperature reaches the second radiating mode early warning temperature, control system stops tubular wine wheel and starts compression
Machine, refrigerant circulation and flows through heat sink, and the battery module heat conduction being in direct contact with heat sink, refrigerant flow to condenser and changes
Heat flows back to compressor and is compressed；
The air-cooled plus direct-cooled state is：
When lithium battery temperature reaches third radiating mode early warning temperature, control system starts tubular wine wheel and compressor,
Refrigerant is directly cooling to battery module in heat sink, and when air passes through heat sink by the stomata of heat sink, air themperature reduces,
Battery module is blown over to radiate to battery module；
Wherein, the second radiating mode early warning temperature is more than the first radiating mode early warning temperature and pre- less than third radiating mode
Alert temperature.
Preferably, the heat transfer state is：
When lithium battery temperature reaches the 4th heating mode early warning temperature, control system starts compressor, and refrigerant flows through scattered
Hot plate directly heats battery module；
The thermal convection current state is：
When lithium battery temperature reaches the 5th heating mode early warning temperature, control system stops compressor, starts through-flow wind
Wheel, the auxiliary heat of electricity, air flow through the auxiliary heat of electricity and are heated, and the stomata through heat sink blows over battery module, is heated to battery module；
The thermal convection current heat transfer state is：
When lithium battery temperature reaches the 6th heating mode early warning temperature, control system starts compressor, through-flow wind simultaneously
Wheel, the auxiliary heat of electricity, when refrigerant directly heats battery module by heat sink and the hot-air of the auxiliary heat heating of electricity blows over battery module,
It synchronizes and battery module is heated；
Wherein, the 5th heating mode early warning temperature is more than the 4th heating mode early warning temperature and pre- less than the 6th heating mode
Alert temperature.
Compared with prior art, the beneficial effects of the utility model are：The utility model can be according to lithium battery in different rings
Targetedly temperature control measures are taken under border, different temperatures, you can be directed to different temperatures range, take air-cooled, direct-cooled, direct-cooled plus wind
Cold three kinds of temperature control modes effectively control battery temperature according to battery service condition, improve battery effective utilization.Meanwhile temperature control
It is provided with four-way valve in system, ensures that refrigerant flowing is reversible, and equipped with the auxiliary heat of electricity, temperature control system is made to be provided simultaneously with a variety of heated moulds
Formula.
Description of the drawings
The lithium battery multi-step temperature control device dimensional structure diagram of Fig. 1 the utility model；
The cooling plate structure schematic diagram of Fig. 2 the utility model；
The lithium battery multi-step temperature control device connection relationship diagram of Fig. 3 the utility model.
Wherein, 1. battery pack upper cover；2. battery module；3. heat sink；4. babinet；5. compressor；6. tubular wine wheel；7. anti-
Shield；8. condenser；9. throttle valve；10. four-way valve；11. control system；12. the auxiliary heat of electricity.
Specific implementation mode
The utility model provides a kind of lithium battery multi-step temperature control device, in order to keep the utility model more obvious easily
Understand, the utility model is described further below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, the lithium battery multi-step temperature control device of the utility model includes：Battery pack upper cover 1, battery module
2, heat sink 3, babinet 4, control system 11 (i.e. battery management system, BATTERY MANAGEMENT SYSTEM, abbreviation BMS),
Compressor 5, tubular wine wheel 6, electricity be auxiliary hot 12, (refrigerant is a kind of for four-way valve 10, condenser 8, throttle valve 9, protective cover 7 and refrigerant
Easy heat absorption becomes gas, and is easy the substance that heat release becomes liquid).
Battery module 2 is arranged in the lower section of battery pack upper cover 1, and 2 lower section of battery module is equipped with heat sink 3.Positioned at heat dissipation
The babinet 4 of 3 lower section of plate is provided with air port (comprising air inlet and exhaust outlet), is flowed in and out for air in battery pack.Babinet 4
It is externally provided with protective cover 7.
As shown in figures 1 and 3, compressor 5, condenser 8, four-way valve 10, tubular wine wheel 6 and section are installed in protective cover 7
Flow valve 9.
Four-way valve 10 is connect with compressor 5, condenser 8 and heat sink 3 respectively, and heat sink 3 passes through throttle valve 9 and condenser
8 connections.
As shown in Fig. 2, the heat sink 3 that the lower section of battery module 2 is close to is double-level-metal heat-conducting plate (i.e. by two layers of heat-conducting plate
303 compositions, are divided into upper layer heat-conducting plate and lower layer's heat-conducting plate).It is placed with copper pipe 301 between two layers of heat-conducting plate, is flowed for refrigerant；
And upper and lower layer heat-conducting plate offers stomata 302, is flowed for air, for realizing air-cooled, direct-cooled and air-cooled plus direct-cooled three kinds of heat dissipations
Pattern.
Four-way valve 10 makes refrigerant two-way flow, and refrigerant flowing is reversible, ensure that heating function, i.e., is controlled by four-way valve 10
Refrigerant flows to, and realization cools and heats both of which switching.Electricity auxiliary hot 12 is additionally provided in babinet 4, for air auxiliary heating, then
Collocation tubular wine wheel 6 and heat sink 3 are, it can be achieved that three kinds of heated moulds that heat transfer, thermal convection current and heat transfer are combined with heat transfer
Formula.
So six kinds of temperature control modes can be achieved altogether in the utility model.
It is additionally provided with control system 11 in babinet 4, by control system 11, can control the operation of tubular wine wheel 6 and compressor 5
With stopping.Control system 11 can be used for controlling lithium battery use and the operation of multi-step temperature control device.When control system 11 is transported
When row, control system 11 samples the temperature of battery module 2.Above six kinds of temperature control modes can be by control system 11 to electricity
The temperature of pond module 2 switches over after being acquired judgement.
The implementation of the lithium battery multi-step temperature control device of the utility model is：
Radiating mode early warning temperature is set as T1, T2, T3, wherein T1 ＜ T2 ＜ T3；Heating mode early warning temperature be T4,
T5, T6, wherein T4 ＞ T5 ＞ T6；Set radiating mode early warning temperature and heating mode early warning temperature by control system 11 into
Row acquisition and identification.
(1) refrigerating mode：
A, air-cooled pattern：When lithium battery temperature reaches T1, control system 11 starts tubular wine wheel 6, and air is by babinet 4
Air inlet flows into, and flows through the stomata 302 of heat sink 3, is blown over from lithium battery module 2, and is flowed out from the exhaust outlet of babinet 4, will be hot
Amount sheds.
B, direct-cooled pattern：When lithium battery temperature reaches T2, control system 11 stops tubular wine wheel 6, while starting compression
Machine 5, refrigerant starts the cycle over, and flows through heat sink 3, and heat sink 3 is in direct contact with battery module 2, after the conduction of 2 heat of battery module,
Refrigerant flow to the heat exchange of condenser 8, then flows back to compressor 5 and compressed.
C, air-cooled plus direct-cooled pattern：When lithium battery temperature reaches T3, control system 11 starts tubular wine wheel 6 and pressure simultaneously
Contracting machine 5, refrigerant directly cools down battery module 2 in heat sink 3, while air is passed through by the stomata 302 of heat sink 3 and dissipated
When hot plate 3, air themperature reduces, then blows over battery module 2, further radiates to battery module 2.
(2) heating mode：
Four-way valve 10 is controlled by control system 11 first and converts flow path, refrigerant flow direction is reversed, to realize cooling
Pattern switches to heating mode.
D, heat transfer pattern：When lithium battery temperature reaches T4, control system 11 starts compressor 5, and refrigerant flows through heat dissipation
Plate 3 directly heats battery module 2.
E, thermal convection current pattern：When lithium battery temperature reaches T5, control system 11 stops compressor 5, starts tubular wine wheel
6, electricity auxiliary hot 12, air are heated after flowing through electricity auxiliary hot 12, and the stomata 302 through heat sink 3 blows over battery module 2, to battery mould
Block 2 is heated.
F, thermal convection current heat transfer pattern：When lithium battery temperature reaches T6, control system 11 start simultaneously compressor 5,
Tubular wine wheel 6, electricity auxiliary hot 12, while refrigerant directly heats battery module 2 by heat sink 3, auxiliary hot 12 heating of electricity
Hot-air blows over battery module 2, synchronizes and is heated to battery module 2.
Although the content of the utility model is discussed in detail by specific embodiment, but it should be appreciated that the description above is not
It should be considered as limitations of the present invention.After those skilled in the art have read the above, for the utility model
A variety of modifications and substitutions all will be apparent.Therefore, the scope of protection of the utility model should be by the attached claims
To limit.
Claims (9)
1. a kind of lithium battery multi-step temperature control device, which is characterized in that it includes：
For the heat sink (3) of refrigerant flowing, it is connected to below battery module (2) and is equipped with stomata；
Babinet (4) is equipped with the air port entered for outflow air flow path；The babinet (4) is externally provided with compressor (5), tubular wine wheel (6)
With the four-way valve (10) by controlling the switching cooling of refrigerant flow direction or heating mode；
The electricity of auxiliary air heating is auxiliary hot (12), and setting is in the babinet (4)；
The control system (11) of multi-step temperature control device operation is controlled, setting is in the babinet (4).
2. lithium battery multi-step temperature control device as described in claim 1, which is characterized in that
The heat sink (3) includes air-cooled state, direct-cooled state and air-cooled plus direct-cooled state.
3. lithium battery multi-step temperature control device as claimed in claim 1 or 2, which is characterized in that
The heat sink (3) is equipped with upper layer heat-conducting plate and lower layer's heat-conducting plate, is set between the upper layer heat-conducting plate and lower layer's heat-conducting plate
There is the copper pipe (301) flowed for refrigerant；
The upper layer heat-conducting plate and lower layer's heat-conducting plate open up the stomata (302) flowed for air.
4. lithium battery multi-step temperature control device as claimed in claim 3, which is characterized in that
The heat-conducting plate is metal heat-conducting harden structure.
5. lithium battery multi-step temperature control device as claimed in claim 1 or 2, which is characterized in that
Babinet (4) setting is below the heat sink (3)；
The compressor (5) of heat transfer or thermal convection current or thermal convection current heat transfer state is cooperatively formed with the electricity auxiliary hot (12), is passed through
Stream wind wheel (6) and four-way valve (10) are arranged in the protective cover (7) of the babinet (4) outside.
6. lithium battery multi-step temperature control device as claimed in claim 5, which is characterized in that
The protective cover (7) is additionally provided with condenser (8) and throttle valve (9), the four-way valve (10) respectively with compressor (5), cold
Condenser (8) and the heat sink (3) connection, the heat sink (3) are connect by the throttle valve (9) with the condenser (8).
7. lithium battery multi-step temperature control device as described in claim 1, which is characterized in that
Battery module (2) setting is below battery pack upper cover (1).
8. lithium battery multi-step temperature control device as claimed in claim 2, which is characterized in that
The air-cooled state is：
When lithium battery temperature reaches the first radiating mode early warning temperature (T1), control system (11), which starts tubular wine wheel (6), to be made
Air is flowed by the air inlet of babinet (4), is flowed through the stomata (302) of heat sink (3) and is blown over from battery module (2), from babinet
(4) exhaust outlet outflow sheds heat；
The direct-cooled state is：
When lithium battery temperature reaches the second radiating mode early warning temperature (T2), control system (11) stops tubular wine wheel (6) simultaneously
Start compressor (5), refrigerant circulation and flow through heat sink (3), battery module (2) heat being in direct contact with heat sink (3) passes
It leads, refrigerant flow to condenser (8) heat exchange, flows back to compressor (5) and is compressed；
The air-cooled plus direct-cooled state is：
When lithium battery temperature reaches third radiating mode early warning temperature (T3), control system (11) start tubular wine wheel (6) and
Compressor (5), heat sink (3) interior refrigerant is directly cooling to battery module (2), and air is worn by the stomata (302) of heat sink (3)
When crossing heat sink (3), air themperature reduces, and blows over battery module (2) and radiates to battery module (2)；
Wherein, the second radiating mode early warning temperature (T2) is more than the first radiating mode early warning temperature (T1) and is less than third radiating mould
Formula early warning temperature (T3).
9. lithium battery multi-step temperature control device as claimed in claim 5, which is characterized in that
The heat transfer state is：
When lithium battery temperature reaches the 4th heating mode early warning temperature (T4), control system (11) starts compressor (5), refrigerant
Heat sink (3) is flowed through, battery module (2) is directly heated；
The thermal convection current state is：
When lithium battery temperature reaches the 5th heating mode early warning temperature (T5), control system (11) stops compressor (5), starts
Tubular wine wheel (6), electricity are auxiliary hot (12), and air flows through electricity auxiliary hot (12) and heated, and the stomata (302) through heat sink (3) blows over electricity
Pond module (2) heats battery module (2)；
The thermal convection current heat transfer state is：
When lithium battery temperature reaches the 6th heating mode early warning temperature (T6), control system (11) and meanwhile start compressor (5),
Tubular wine wheel (6), electricity are auxiliary hot (12), and when refrigerant directly heats battery module (2) by heat sink (3) and electricity auxiliary hot (12) adds
The hot-air of heat blows over battery module (2), synchronizes and is heated to battery module (2)；
Wherein, the 5th heating mode early warning temperature (T5) is more than the 4th heating mode early warning temperature (T4) and is less than the 6th heated mould
Formula early warning temperature (T6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721682253.7U CN207664204U (en) | 2017-12-06 | 2017-12-06 | A kind of lithium battery multi-step temperature control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721682253.7U CN207664204U (en) | 2017-12-06 | 2017-12-06 | A kind of lithium battery multi-step temperature control device |
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| Publication Number | Publication Date |
|---|---|
| CN207664204U true CN207664204U (en) | 2018-07-27 |
Family
ID=62940677
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721682253.7U Expired - Fee Related CN207664204U (en) | 2017-12-06 | 2017-12-06 | A kind of lithium battery multi-step temperature control device |
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| Country | Link |
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| CN (1) | CN207664204U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109818112A (en) * | 2019-01-24 | 2019-05-28 | 浙江新吉奥汽车有限公司 | A kind of the power battery liquid cooling plate and its implementation of interchangeable flow direction |
| CN111962974A (en) * | 2020-08-04 | 2020-11-20 | 珠海格力电器股份有限公司 | Intelligent door lock control method and intelligent door lock |
| CN112078833A (en) * | 2020-07-27 | 2020-12-15 | 上海空间电源研究所 | Method for controlling temperature rise of high-power lithium battery for carrier rocket |
| WO2021232970A1 (en) * | 2020-05-19 | 2021-11-25 | 上海奥威科技开发有限公司 | Thermal management system of high-power energy storage device, and control method therefor |
| CN114965570A (en) * | 2022-07-30 | 2022-08-30 | 豫新汽车热管理科技有限公司 | Heat exchange performance test bed for direct cooling and direct heating plate of power battery |
| CN117293449A (en) * | 2023-11-27 | 2023-12-26 | 豫新汽车热管理科技有限公司 | Refrigerant direct-cooling and direct-heating type heat management system for energy storage cabinet and flow distribution structure of refrigerant direct-cooling and direct-heating type heat management system |
-
2017
- 2017-12-06 CN CN201721682253.7U patent/CN207664204U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109818112A (en) * | 2019-01-24 | 2019-05-28 | 浙江新吉奥汽车有限公司 | A kind of the power battery liquid cooling plate and its implementation of interchangeable flow direction |
| CN109818112B (en) * | 2019-01-24 | 2024-03-26 | 浙江新吉奥汽车有限公司 | Working method of flow-direction-changeable power battery liquid cooling plate |
| WO2021232970A1 (en) * | 2020-05-19 | 2021-11-25 | 上海奥威科技开发有限公司 | Thermal management system of high-power energy storage device, and control method therefor |
| CN112078833A (en) * | 2020-07-27 | 2020-12-15 | 上海空间电源研究所 | Method for controlling temperature rise of high-power lithium battery for carrier rocket |
| CN111962974A (en) * | 2020-08-04 | 2020-11-20 | 珠海格力电器股份有限公司 | Intelligent door lock control method and intelligent door lock |
| CN114965570A (en) * | 2022-07-30 | 2022-08-30 | 豫新汽车热管理科技有限公司 | Heat exchange performance test bed for direct cooling and direct heating plate of power battery |
| CN117293449A (en) * | 2023-11-27 | 2023-12-26 | 豫新汽车热管理科技有限公司 | Refrigerant direct-cooling and direct-heating type heat management system for energy storage cabinet and flow distribution structure of refrigerant direct-cooling and direct-heating type heat management system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180727 Termination date: 20211206 |