CN207265192U - A kind of electric automobile battery box based on liquid cooling loop and active heating - Google Patents
A kind of electric automobile battery box based on liquid cooling loop and active heating Download PDFInfo
- Publication number
- CN207265192U CN207265192U CN201721122256.5U CN201721122256U CN207265192U CN 207265192 U CN207265192 U CN 207265192U CN 201721122256 U CN201721122256 U CN 201721122256U CN 207265192 U CN207265192 U CN 207265192U
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- battery
- tank shell
- installing plate
- lower floor
- liquid
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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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Abstract
The utility model discloses a kind of electric automobile battery box based on liquid cooling loop and active heating, upper strata battery pack, upper strata installing plate, lower floor's battery pack and lower floor's installing plate are disposed with battery tank shell from top to bottom, radiator is installed on the outer bottom of battery tank shell, upper strata battery pack and upper strata installing plate, lower floor's battery pack and lower floor's installing plate, the inner bottom surface of lower floor's installing plate and battery tank shell, radiator and battery tank shell outer bottom between be respectively mounted heat filling；The cold pump of liquid and reservoir connected by liquid line is installed in battery tank shell, liquid line be sequentially connected liquid it is cold pump, through upper strata installing plate, through lower floor's installing plate, it is pierced by battery tank shell, through the top mounting surface and detour of radiator, the cold pump forming circuit of battery tank shell connection liquid is penetrated；The utility model is by the heat of the liquid cooling loop dissipation batteries of electric automobile of a circulation, during low temperature, by film electric heater or electric heating wire to battery pack heated for controlling temperature, so that cold-starting.
Description
Technical field
It is more particularly to a kind of based on liquid cooling loop and actively heating the invention belongs to electric automobile battery box technical field
Electric automobile battery box.
Background technology
Electric automobile is gradually liked, especially as a kind of green, the new traffic tool of environmental protection be subject to consumers in general
It is the northern area in air pollution, to reduce the pollution to air, many cities take stringent private car restricted driving measure.
To solve the problems, such as traffic trip, various regions government encourages to select electric automobile.And at present because of the battery case thermal control problem of electric automobile,
Restrict the popularization and application of electric automobile.At present electric automobile battery box does not take thermal control measure mostly, by battery case from
Right convection current and air heat-exchange, the heat dissipation produced is into air.For the less battery case of waste heat, this mode can
Meet the needs of battery case heat dissipation, but use the electric automobile of this battery case can not be grown for a long time under summer high temperature environment
The traveling of distance, it is easy to cause the battery pack overtemperature of battery case central area, reduce the Performance And Reliability of battery pack, even
Cause battery case to explode, cause casualties, the battery case without cooling measure also restricts the continuation of the journey of electric automobile in addition
Ability.In addition under the environment of north of china in winter cold, electric automobile is for a long time when parking startup, because battery case is arranged without heating and thermal insulation
Apply, temperature is easy to be down to less than -10 DEG C, causes electric automobile can not discharge when starting shooting, so that the problem of can not starting.
To solve the thermal control problem of electric automobile battery box heat dissipation and insulation, the present invention proposes one kind and is based on liquid cooling loop
With the electric automobile battery box heat control method of active heating, waste heat dissipation and length during battery case electric discharge can be effectively solved
The demand kept the temperature when time parks.
The content of the invention
The present invention provides a kind of electric automobile battery box based on liquid cooling loop and active heating, to solve in the prior art
The problem of hot dissipation of electric automobile and cold-starting.
To achieve the above object, the technical solution adopted by the present invention is：
A kind of electric automobile battery box based on liquid cooling loop and active heating, includes the battery tank shell 5 of a sealing,
Upper strata battery pack 6, upper strata installing plate 8, lower floor's battery pack 9 and lower floor are disposed with the battery tank shell 5 from top to bottom
Installing plate 10, radiator 4, the upper strata battery pack 6 and upper strata installing plate 8 are provided with the outer bottom of the battery tank shell 5
Between, between lower floor's battery pack 9 and lower floor's installing plate 10, between the inner bottom surface of lower floor's installing plate 10 and battery tank shell 5, heat dissipation
Heat filling 7 is respectively mounted between the outer bottom of device 4 and battery tank shell 5；Further included in the battery tank shell 5 and pass through liquid line
The cold pump 1 of liquid and reservoir 2, the top of the reservoir 2 that road 3 connects stretch out in battery tank shell 5, and the top surface of reservoir 2
On be provided with heat-transfer working medium filling entrance, liquid line 3 be sequentially connected liquid it is cold pump 1 then through upper strata battery pack 6 and lower floor electricity
Pond bag 9 between upper strata installing plate 8, again run through 5 bottom surface of lower floor's battery pack 9 and battery tank shell between lower floor's installing plate
10, be then pierced by 5 bottom surface of battery tank shell and be located at outside battery tank shell 5, through radiator 4 top mounting surface and detour,
Penetrate 5 bottom surface of battery tank shell again to return in battery tank shell 5, the cold forming circuit of pump 1 of connection liquid.
Further, it is wound with film electric heater in the battery pack at upper strata battery pack 6 and the middle part of lower floor's battery pack 9
（Or electric heating wire）, and each film electric heater（Or electric heating wire）Between be connected in series.
Further, the lower surface of the upper strata installing plate 8 and lower floor's installing plate 10 offers conduit, the liquid line
The soldering of road 3 is fixed in the conduit of upper strata installing plate 8 or lower floor's installing plate 10, strengthen liquid line 3 and upper strata installing plate 8 or under
Heat exchange between layer installing plate 10.
Further, the top mounting surface of the radiator 4 is equipped with conduit, and the soldering of liquid line 3 is fixed on scattered
In the conduit of hot device 4, strengthen the heat exchange between liquid line 3 and radiator 4.
Further, the extending direction of the radiating fin of the radiator 4 is parallel with the direction of advance of electric automobile, it is ensured that
There is good heat exchange between radiator and air during electric automobile during traveling.
Further, the fluid sealant sealing that the gap between the reservoir 2 and battery tank shell 5 passes through coating.
Further, the liquid line 3 is inside and outside the perforate disengaging battery tank shell 5 of 5 bottom surface of battery tank shell, and liquid
The fluid sealant sealing that gap between body pipeline 3 and battery tank shell 5 passes through coating.
Further, the material of the reservoir 2 and liquid line 3 is stainless steel, the radiator 4, upper strata installation
The material of plate 8 and lower floor's installing plate 10 is aluminium alloy, and the material of the battery tank shell 5 is carbon fiber, the heat filling 7
For heat-conducting silicone grease or heat conduction rubber cushion.
Further, under normal pressure, when -30-70 DEG C of temperature is the heat-transfer working medium in the reservoir 2 and liquid line 3
Liquid.
Preferably, the heat-transfer working medium is the mixed liquor of ethylene glycol, alcohol and water.
Compared with prior art, the invention has the advantages that：
The present invention during low temperature, passes through thin-film electro by the heat of the liquid cooling loop dissipation batteries of electric automobile of a circulation
Heater（Or electric heating wire）Heated for controlling temperature is carried out to battery pack, so as to solve the problems, such as cold-starting.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the partial structurtes enlarged drawing of the present invention；
Fig. 3 is the side view of Fig. 2；
Wherein：The cold pump of 1- liquid, 2- reservoirs, 3- liquid lines, 4- radiators, 5- battery tank shells, 6- upper stratas battery pack,
7- heat fillings, 8- upper stratas installing plate, 9- lower floors battery pack, 10- lower floors installing plate, 11- electric heating wires.
Embodiment
The present invention is further described with reference to embodiment.
As shown in Figs. 1-3, it is a kind of based on liquid cooling loop and actively heating electric automobile battery box, including one sealing
Battery tank shell 5, upper strata battery pack 6, upper strata installing plate 8, lower floor's electricity are disposed with the battery tank shell 5 from top to bottom
Pond bag 9 and lower floor's installing plate 10, is provided with radiator 4 on the outer bottom of the battery tank shell 5, the upper strata battery pack 6 with
Heat filling 7 is installed between upper strata installing plate 8, strengthens the heat exchange between upper strata installing plate 8 and upper strata battery pack 6, lower floor's battery
Heat filling 7 is installed between bag 9 and lower floor's installing plate 10, strengthens the heat exchange between lower floor's battery pack 9 and lower floor's installing plate 10, under
Heat filling 7 is installed between layer installing plate 10 and the inner bottom surface of battery tank shell 5, strengthens lower floor's installing plate 10 and battery tank shell
Heat filling 7, strong radiator 4 and battery case are installed between the outer bottom of the heat exchange between 5, radiator 4 and battery tank shell 5
Heat exchange between housing 5；The cold pump 1 of liquid, the inner top surface of the battery tank shell 5 are installed on 5 madial wall of battery tank shell
On reservoir 2 is installed, the top of the reservoir 2 stretches out in battery tank shell 5, and biography is provided with the top surface of reservoir 2
Hot working fluid fills entrance, and the cold pump 1 of liquid is connected with reservoir 2 by liquid line 3 in the battery tank shell 5, the liquid line
Road 3 is sequentially connected the cold pump 1 of liquid, the upper strata installing plate 8 between upper strata battery pack 6 and lower floor's battery pack 9, again through lower floor's electricity
Lower floor's installing plate 10 between pond bag 9 and 5 bottom surface of battery tank shell, is then pierced by 5 bottom surface of battery tank shell and is located at battery
Outside tank shell 5, through the top mounting surface and detour of radiator 4, then penetrate 5 bottom surface of battery tank shell and return to battery tank shell
In 5, the cold forming circuit of pump 1 of connection liquid.
In the dotted line frame in 1 figure, it is wound with the battery pack at upper strata battery pack 6 and the middle part of lower floor's battery pack 9 thin
Film electric heater（Or electric heating wire 11）, and each film electric heater（Or electric heating wire 11）Between be connected in series.
The lower surface of the upper strata installing plate 8 and lower floor's installing plate 10 offers conduit, and the soldering of liquid line 3 is solid
Due in the conduit of upper strata installing plate 8 or lower floor's installing plate 10, strengthen liquid line 3 and upper strata installing plate 8 or lower floor's installing plate
Heat exchange between 10.
The top mounting surface of the radiator 4 is equipped with conduit, and the liquid line 3 is brazed the groove for being fixed on radiator 4
In road, strengthen the heat exchange between liquid line 3 and radiator 4.
The extending direction of the radiating fin of the radiator 4 is parallel with the direction of advance of electric automobile, it is ensured that in electronic vapour
There is good heat exchange between radiator and air during car traveling.
The fluid sealant sealing that gap between the reservoir 2 and battery tank shell 5 passes through coating；The liquid line 3
Inside and outside the perforate disengaging battery tank shell 5 of 5 bottom surface of battery tank shell, and the gap between liquid line 3 and battery tank shell 5
Pass through the fluid sealant sealing of coating.
The material of the reservoir 2 and liquid line 3 is stainless steel, the radiator 4, upper strata installing plate 8 and lower floor
The material of installing plate 10 is aluminium alloy, and the material of the battery tank shell 5 is carbon fiber, and the heat filling 7 is thermal conductive silicon
Fat or heat conduction rubber cushion.
Under normal pressure, when -30-70 DEG C of temperature is liquid to heat-transfer working medium in the reservoir 2 and liquid line 3, preferably
, the heat-transfer working medium is the mixed liquor of ethylene glycol, alcohol and water.
The principle of the present invention：After battery starts electric discharge fever, the power supply of pump 1 cold to liquid, starts the cold pump of liquid, heat-transfer working medium is in liquid
Under the driving of cold pump 1, flow into first in upper strata installing plate 8, absorb the heat that upper strata battery pack 6 produces, heat-transfer working medium temperature liter
Height, heat-transfer working medium in lower floor's installing plate 10 is flowed into, hold by the heat of 9 generation of absorption lower floor battery pack, heat-transfer working medium temperature afterwards
Height of continuing rising, heat-transfer working medium, by the battery pack heat transfer of absorption to radiator 4, are passed along in 3 inflow radiator 4 of liquid line
Hot working fluid temperature reduce, radiator 4 by the approach of forced-convection heat transfer by heat dissipation in atmosphere, temperature reduce after biography
In the cold pump 1 of hot working fluid circulation influent, a circulation is formed, the heat of battery pack 6 is realized by circulating for heat-transfer working medium
Arrange into air.With the lasting working medium of liquid cooling loop, heat-transfer working medium amount can be gradually reduced, when heat-transfer working medium amount is less than liquid cold time
After the lower limit of road, entrance is filled by the heat-transfer working medium of reservoir 2, heat-transfer working medium will be added in liquid cooling loop system.
After being less than certain temperature because of the temperature of battery pack, battery pack will not externally discharge, therefore pass through film electrical heating
Device（Or electric heating wire）Heated for controlling temperature is carried out to battery pack.When electric automobile is out of service, during in off-mode, in battery case
The temperature of battery pack gradually reduces, when being disposed with film electric heater（Or electric heating wire）Battery pack temperature less than setting temperature
After angle value, area cells bag electric discharge, carries out heated for controlling temperature, so that it is guaranteed that the temperature of battery pack is not less than nothing in the region to it
The temperature of method electric discharge.
The above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
- A kind of 1. electric automobile battery box based on liquid cooling loop and active heating, it is characterised in that：Include the electricity of a sealing Pond tank shell（5）, the battery tank shell（5）Upper strata battery pack is inside disposed with from top to bottom（6）, upper strata installing plate（8）、 Lower floor's battery pack（9）With lower floor's installing plate（10）, the battery tank shell（5）Outer bottom on radiator is installed（4）, it is described Upper strata battery pack（6）With upper strata installing plate（8）Between, lower floor's battery pack（9）With lower floor's installing plate（10）Between, lower floor's installing plate （10）With battery tank shell（5）Inner bottom surface between, radiator（4）With battery tank shell（5）Outer bottom between be respectively mounted and lead Hot filler（7）；The battery tank shell（5）Inside further include and pass through liquid line（3）The cold pump of liquid of connection（1）And reservoir（2）, The reservoir（2）Top stretch out in battery tank shell（5）, and reservoir（2）Top surface on be provided with heat-transfer working medium filling Entrance, liquid line（3）It is sequentially connected the cold pump of liquid（1）And then through upper strata battery pack（6）With lower floor's battery pack（9）Between Upper strata installing plate（8）, run through lower floor's battery pack again（9）With battery tank shell（5）Lower floor's installing plate between bottom surface（10）, so After be pierced by battery tank shell（5）Bottom surface is located at battery tank shell（5）Outside, through radiator（4）Top mounting surface and detour, Battery tank shell is penetrated again（5）Bottom surface returns to battery tank shell（5）It is interior, connect the cold pump of liquid（1）Forming circuit.
- 2. the electric automobile battery box according to claim 1 based on liquid cooling loop and active heating, it is characterised in that：Position In upper strata battery pack（6）With lower floor's battery pack（9）Film electric heater or electric heating wire are wound with the battery pack at middle part（11）, And each film electric heater or electric heating wire（11）Between be connected in series.
- 3. the electric automobile battery box according to claim 1 based on liquid cooling loop and active heating, it is characterised in that：Institute State upper strata installing plate（8）With lower floor's installing plate（10）Lower surface offer conduit, the liquid line（3）Soldering is fixed on Upper strata installing plate（8）Or lower floor's installing plate（10）Conduit in.
- 4. the electric automobile battery box according to claim 1 based on liquid cooling loop and active heating, it is characterised in that：Institute State radiator（4）Top mounting surface be equipped with conduit, the liquid line（3）Radiator is fixed in soldering（4）Conduit in.
- 5. the electric automobile battery box according to claim 1 based on liquid cooling loop and active heating, it is characterised in that：Institute State radiator（4）Radiating fin extending direction it is parallel with the direction of advance of electric automobile.
- 6. the electric automobile battery box according to claim 1 based on liquid cooling loop and active heating, it is characterised in that：Institute State reservoir（2）With battery tank shell（5）Between the gap fluid sealant sealing that passes through coating.
- 7. the electric automobile battery box according to claim 1 based on liquid cooling loop and active heating, it is characterised in that：Institute State liquid line（3）In battery tank shell（5）The perforate disengaging battery tank shell of bottom surface（5）It is inside and outside, and liquid line（3）With electricity Pond tank shell（5）Between the gap fluid sealant sealing that passes through coating.
- 8. the electric automobile battery box according to claim 1 based on liquid cooling loop and active heating, it is characterised in that：Institute State reservoir（2）And liquid line（3）Material be stainless steel, the radiator（4）, upper strata installing plate（8）Pacify with lower floor Loading board（10）Material be aluminium alloy, the battery tank shell（5）Material be carbon fiber, the heat filling（7）To lead Hot silicone grease or heat conduction rubber cushion.
- 9. the electric automobile battery box according to claim 1 based on liquid cooling loop and active heating, it is characterised in that：Institute State reservoir（2）And liquid line（3）In heat-transfer working medium under normal pressure, when -30-70 DEG C of temperature is liquid.
- 10. the electric automobile battery box according to claim 1 based on liquid cooling loop and active heating, it is characterised in that： The heat-transfer working medium is the mixed liquor of ethylene glycol, alcohol and water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721122256.5U CN207265192U (en) | 2017-09-04 | 2017-09-04 | A kind of electric automobile battery box based on liquid cooling loop and active heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721122256.5U CN207265192U (en) | 2017-09-04 | 2017-09-04 | A kind of electric automobile battery box based on liquid cooling loop and active heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207265192U true CN207265192U (en) | 2018-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721122256.5U Expired - Fee Related CN207265192U (en) | 2017-09-04 | 2017-09-04 | A kind of electric automobile battery box based on liquid cooling loop and active heating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207265192U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107394314A (en) * | 2017-09-04 | 2017-11-24 | 昆山天元昌电子有限公司 | A kind of electric automobile battery box based on liquid cooling loop and active heating |
| WO2021142743A1 (en) * | 2020-01-17 | 2021-07-22 | 微宏动力系统（湖州）有限公司 | Battery pack and electric vehicle |
| DE102020111457A1 (en) | 2020-04-27 | 2021-10-28 | Audi Aktiengesellschaft | Battery and motor vehicle with battery and methods of assembly |
-
2017
- 2017-09-04 CN CN201721122256.5U patent/CN207265192U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107394314A (en) * | 2017-09-04 | 2017-11-24 | 昆山天元昌电子有限公司 | A kind of electric automobile battery box based on liquid cooling loop and active heating |
| CN107394314B (en) * | 2017-09-04 | 2023-09-01 | 昆山天元昌电子有限公司 | Electric automobile battery box based on liquid cooling loop and initiative heating |
| WO2021142743A1 (en) * | 2020-01-17 | 2021-07-22 | 微宏动力系统（湖州）有限公司 | Battery pack and electric vehicle |
| DE102020111457A1 (en) | 2020-04-27 | 2021-10-28 | Audi Aktiengesellschaft | Battery and motor vehicle with battery and methods of assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20180420 Termination date: 20190904 |