CN207587935U - A kind of heating unit for square power battery module - Google Patents
A kind of heating unit for square power battery module Download PDFInfo
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- CN207587935U CN207587935U CN201721647151.1U CN201721647151U CN207587935U CN 207587935 U CN207587935 U CN 207587935U CN 201721647151 U CN201721647151 U CN 201721647151U CN 207587935 U CN207587935 U CN 207587935U
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- Prior art keywords
- heat
- epoxy resin
- resin plate
- conduction epoxy
- heater
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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 is related to a kind of heating units for square power battery module.Including the heater being placed between the adjacent two rows of battery cores of battery modules, the heater includes setting gradually and being bonded integral the first thermal conductive silicon rubber cushion, the first heat-conduction epoxy resin plate, flexible heater film, the second heat-conduction epoxy resin plate and the second thermal conductive silicon rubber cushion, the first heat-conduction epoxy resin plate is equipped with bus bar connector and temperature switch, and the stitch of the bus bar connector is connected with the heater strip in flexible heater film.As shown from the above technical solution, the utility model sets heater between the adjacent two rows of battery cores of battery modules, flexible heater film and battery modules are separated by the heat-conduction epoxy resin plate in heater and thermal conductive silicon rubber cushion, ensure that the insulating properties between heater and battery modules；Meanwhile heat-conduction epoxy resin plate can realize that the high efficiency of heat conduction, bus bar connector can simplify line route, temperature switch can control heater circuit to play the role of overtemperature prote.
Description
Technical field
The utility model is related to electric automobile power battery field of heat management, and in particular to one kind is used for square power battery
The heating unit of module.
Background technology
Lithium-ion-power cell is for a long time at low ambient temperatures in use, its service life and persistence can be seriously affected.
But existing battery heating technique all there are it is certain the problem of, such as poor insulativity, surface insulation material thermal conductivity is poor, conducting wire draws
Line is complicated, lacks the features such as overtemperature prote.
Utility model content
The purpose of this utility model is to provide a kind of heating unit for square power battery module, the heating units
Lithium ion battery can be carried out being evenly heated management, ensure that battery can work at low ambient temperatures in normal temperature range,
Ensure the stability and service life of battery, while ensure the safety of battery.
To achieve the above object, the utility model employs following technical scheme：Including being placed in the adjacent two rows of battery modules
Heater between battery core, the heater is layer structure, including setting gradually and being bonded the first integral thermal conductive silicon
Rubber cushion, the first heat-conduction epoxy resin plate, flexible heater film, the second heat-conduction epoxy resin plate and the second thermal conductive silicon rubber cushion, it is described
First heat-conduction epoxy resin plate is equipped with bus bar connector and temperature switch, the stitch and flexible heater film of the bus bar connector
In heater strip be connected.
The first heat-conduction epoxy resin plate is connected to the first protrusion and the second protrusion, the winding displacement is externally provided with
Device is arranged on the first protrusion, and the temperature switch is arranged on the second protrusion, the flexible heater film and second
Heat-conduction epoxy resin plate is respectively to being externally provided with the protrusion that matches with the first protrusion and the second lug position.
The flexible heater film passes through bond plies and the first heat-conduction epoxy resin plate and the second heat-conduction epoxy resin
Plate is connected, and the first heat-conduction epoxy resin plate and the second heat-conduction epoxy resin plate are led respectively by bond plies and first
Hot silicagel pad and the second thermal conductive silicon rubber cushion are connected.
The bus bar connector is bonded in by structure glue on the first protrusion, and bus bar connector and the first protrusion
Circumferential junction be coated with silica gel to insulate, first protrusion be equipped with for bus bar connector stitch by it is logical
Hole.
The temperature switch is bonded in by structure glue on the second protrusion, and the week of temperature switch and the second protrusion
Silica gel is coated with to junction to insulate.
The stitch of the bus bar connector and the heater strip of flexible heater film are weldingly connected, and weld is used coated with silica gel
With insulation.
Added with aluminium oxide ceramics in the first heat-conduction epoxy resin plate and the second heat-conduction epoxy resin plate, described the
The thermal conductivity factor of one heat-conduction epoxy resin plate and the second heat-conduction epoxy resin plate is 1.0W/（m×℃）.
The thermal conductivity factor of the first thermal conductive silicon rubber cushion and the second thermal conductive silicon rubber cushion is 1.2 W/（m×℃）.
The first thermal conductive silicon rubber cushion, the first heat-conduction epoxy resin plate, flexible heater film, the second heat-conduction epoxy resin plate and
The surface area of second thermal conductive silicon rubber cushion is identical, and the surface area between the surface area and adjacent two rows of battery cores matches, described to add
Spacing between the thickness of hot device and adjacent two rows of battery cores matches.
As shown from the above technical solution, the utility model sets heater between the adjacent two rows of battery cores of battery modules, leads to
The heat-conduction epoxy resin plate and thermal conductive silicon rubber cushion crossed in heater separate flexible heater film and battery modules, ensure that heater
Insulating properties between battery modules；Meanwhile heat-conduction epoxy resin plate can realize that the high efficiency of heat conduction, bus bar connector can letters
Change line route, temperature switch can control heater circuit to play the role of overtemperature prote.The utility model can be to lithium-ion electric
Pond carries out being evenly heated management, ensures that battery can work at low ambient temperatures in normal temperature range, it is ensured that the stabilization of battery
Property and service life, while ensure the safety of battery.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the decomposition texture schematic diagram of the utility model；
Fig. 3 is the usage state diagram of the utility model.
Specific embodiment
The utility model is described further below in conjunction with the accompanying drawings：
A kind of heating unit for square power battery module as shown in Figure 1, Figure 2, Figure 3 shows, including being placed in battery mould
Heater 20 between the adjacent two rows of battery cores 10 of group, heater 20 is layer structure, integral including setting gradually and being bonded
First thermal conductive silicon rubber cushion 21, the first heat-conduction epoxy resin plate 22, flexible heater film 23, the second heat-conduction epoxy resin plate 24 and second
Thermal conductive silicon rubber cushion 25, the first heat-conduction epoxy resin plate 22 are equipped with bus bar connector 26 and temperature switch 27, bus bar connector 26
Stitch be connected with the heater strip in flexible heater film 23.The utility model replaces common draw by using bus bar connector 26
Line mode can simplify line route, improve the versatility of flexible heater film；Specifically, during i.e. flexible heater film 23 is arranged on
Interbed, both sides are respectively equipped with the first heat-conduction epoxy resin plate 22 and the second heat-conduction epoxy resin plate 24, and flexible heater film 23 is logical
It crosses bond plies with the first heat-conduction epoxy resin plate 22 and the second heat-conduction epoxy resin plate 24 to be connected, the first heat-conduction epoxy resin
The outside of 22 and second heat-conduction epoxy resin plate 24 of plate is respectively equipped with the first thermal conductive silicon rubber cushion 21 and the second thermal conductive silicon rubber cushion 25, the
One heat-conduction epoxy resin plate 22 and the second heat-conduction epoxy resin plate 24 pass through bond plies and the first thermal conductive silicon rubber cushion 21 respectively
And second thermal conductive silicon rubber cushion 25 be connected.
Further, the first heat-conduction epoxy resin plate 22 is arranged to the first protrusion 221 and the second protrusion 222 is externally provided with
Wiring connector 26 is arranged on the first protrusion 221, and temperature switch 27 is arranged on the second protrusion 222, flexible heater film 23
And second heat-conduction epoxy resin plate 24 respectively matched with the first protrusion 221 and 222 position of the second protrusion to being externally provided with
Protrusion.Specifically, bus bar connector 26 is bonded in by structure glue on the first protrusion 221, and bus bar connector 26
Silica gel is coated with the circumferential junction of the first protrusion 221 to insulate；Temperature switch 27 is bonded in second by structure glue
On protrusion 222, and the circumferential junction of temperature switch 27 and the second protrusion 222 is coated with silica gel to insulate, that is,
After bus bar connector 26 is bonded in by structure glue on the first protrusion 221 and the second protrusion 222 respectively with temperature switch 27,
Again insulation is realized by coating silica gel.
Further, the first protrusion 221 be equipped with for 26 stitch of bus bar connector by through-hole, while for the ease of
The welding of stitch, the second heat-conduction epoxy resin plate 24 are being also equipped with through-hole, bus bar connector 26 with the corresponding position of stitch
Stitch and the heater strip of flexible heater film 23 be weldingly connected, and weld is coated with silica gel insulating, that is, winding displacement connects
Connect device 26 stitch pass through the first heat-conduction epoxy resin plate 22 on through-hole after in flexible heater film 23 heater strip weld phase
Even.
Further, it makes pottery in the first heat-conduction epoxy resin plate 22 and the second heat-conduction epoxy resin plate 24 added with aluminium oxide
Porcelain, this so that the thermal conductivity factor of the first heat-conduction epoxy resin plate 22 and the second heat-conduction epoxy resin plate 24 is 1.0W/（m×℃）,
The thermal conductivity factor of significantly larger than common epoxy resin board（About 0.2 W/（m×℃））；It first thermal conductive silicon rubber cushion 21 and second leads
The thermal conductivity factor of hot silicagel pad 25 is 1.2 W/（m×℃）.
Further, as shown in figure 3, the first thermal conductive silicon rubber cushion 21, the first heat-conduction epoxy resin plate 22, flexible heater film
23rd, the surface area of the second heat-conduction epoxy resin plate 24 and the second thermal conductive silicon rubber cushion 25 is identical, and the surface area and adjacent two rows of electricity
Surface area between core 10 matches, and the spacing between the thickness of heater 20 and adjacent two rows of battery cores 10 matches.
The utility model when mounted, first by the first thermal conductive silicon rubber cushion 21, the first heat-conduction epoxy resin plate 22, flexible heater
Film 23, the second heat-conduction epoxy resin plate 24 and the second thermal conductive silicon rubber cushion 25 are bonded as one, then install bus bar connector 26 and temperature
Degree switch 27.In use, temperature switch 27 can automatically cut off heating electricity when 20 surface temperature of heater is higher than limit value
Play the role of overtemperature prote, and additional control element need not be increased in road.
The beneficial effects of the utility model are：1）By the way that heat-conduction epoxy resin plate and thermal conductive silicon rubber cushion is set to add flexibility
Hotting mask is separated with battery modules, ensure that the insulating properties between heater and battery modules；2）It is equipped in heat-conduction epoxy resin plate
Aluminium oxide ceramics makes the thermal conductivity factor of heat-conduction epoxy resin plate be far above the derivative system of epoxy resin board used in general heater
Number can realize the high efficiency of heat conduction；3）Common gage system is replaced using bus bar connector, line route can be simplified, carried
The versatility of high heater；4）Heater is equipped with temperature switch, can be when heater surface temperatures are higher than limit value, automatically
Heater circuit is cut off, plays the role of overtemperature prote, and additional control element need not be increased；5）The utility model can be to battery
It carries out being evenly heated management, ensures that battery can work at low ambient temperatures in normal temperature range, it is ensured that the stability of battery
And service life, while ensure the safety of battery.
Embodiment described above is only that the preferred embodiment of the utility model is described, not to this practicality
Novel range is defined, and under the premise of the spirit of the design of the utility model is not departed from, those of ordinary skill in the art are to this
The various modifications and improvement that the technical solution of utility model is made should all fall into the protection that the utility model claims book determines
In the range of.
Claims (9)
1. a kind of heating unit for square power battery module, it is characterised in that：Including being placed in the adjacent two rows of battery modules
Battery core（10）Between heater（20）, the heater（20）It is integral including setting gradually and being bonded for layer structure
The first thermal conductive silicon rubber cushion（21）, the first heat-conduction epoxy resin plate（22）, flexible heater film（23）, the second heat-conduction epoxy resin plate
（24）And the second thermal conductive silicon rubber cushion（25）, the first heat-conduction epoxy resin plate（22）It is equipped with bus bar connector（26）And temperature
Degree switch（27）, the bus bar connector（26）Stitch and flexible heater film（23）In heater strip be connected.
2. the heating unit according to claim 1 for square power battery module, it is characterised in that：Described first
Heat-conduction epoxy resin plate（22）To being externally provided with the first protrusion（221）And second protrusion（222）, the bus bar connector
（26）It is arranged on the first protrusion（221）On, the temperature switch（27）It is arranged on the second protrusion（222）On, it is described
Flexible heater film（23）And the second heat-conduction epoxy resin plate（24）Respectively to being externally provided with and the first protrusion（221）And second is convex
Go out portion（222）The protrusion that position matches.
3. the heating unit according to claim 1 for square power battery module, it is characterised in that：The flexibility
Heating film（23）Pass through bond plies and the first heat-conduction epoxy resin plate（22）And the second heat-conduction epoxy resin plate（24）It is connected,
The first heat-conduction epoxy resin plate（22）And the second heat-conduction epoxy resin plate（24）Pass through bond plies and first respectively
Thermal conductive silicon rubber cushion（21）And the second thermal conductive silicon rubber cushion（25）It is connected.
4. the heating unit according to claim 2 for square power battery module, it is characterised in that：The winding displacement
Connector（26）First protrusion is bonded in by structure glue（221）On, and bus bar connector（26）With the first protrusion（221）
Circumferential junction be coated with silica gel to insulate, first protrusion（221）It is equipped with for bus bar connector（26）Needle
Foot by through-hole.
5. the heating unit according to claim 2 for square power battery module, it is characterised in that：The temperature
Switch（27）Second protrusion is bonded in by structure glue（222）On, and temperature switch（27）With the second protrusion（222）Week
Silica gel is coated with to junction to insulate.
6. the heating unit according to claim 1 for square power battery module, it is characterised in that：The winding displacement connects
Connect device（26）Stitch and flexible heater film（23）Heater strip be weldingly connected, and weld is coated with silica gel insulating.
7. the heating unit according to claim 1 for square power battery module, it is characterised in that：Described first
Heat-conduction epoxy resin plate（22）And the second heat-conduction epoxy resin plate（24）In added with aluminium oxide ceramics, the first heat conduction epoxy
Resin plate（22）And the second heat-conduction epoxy resin plate（24）Thermal conductivity factor be 1.0W/（m×℃）.
8. the heating unit according to claim 1 for square power battery module, it is characterised in that：Described first leads
Hot silicagel pad（21）And the second thermal conductive silicon rubber cushion（25）Thermal conductivity factor be 1.2 W/（m×℃）.
9. the heating unit according to claim 1 for square power battery module, it is characterised in that：Described first leads
Hot silicagel pad（21）, the first heat-conduction epoxy resin plate（22）, flexible heater film（23）, the second heat-conduction epoxy resin plate（24）And the
Two thermal conductive silicon rubber cushions（25）Surface area it is identical, and the surface area and adjacent two rows of battery cores（10）Between surface area match,
The heater（20）Thickness and adjacent two rows of battery cores（10）Between spacing match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721647151.1U CN207587935U (en) | 2017-11-30 | 2017-11-30 | A kind of heating unit for square power battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721647151.1U CN207587935U (en) | 2017-11-30 | 2017-11-30 | A kind of heating unit for square power battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207587935U true CN207587935U (en) | 2018-07-06 |
Family
ID=62735027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721647151.1U Active CN207587935U (en) | 2017-11-30 | 2017-11-30 | A kind of heating unit for square power battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207587935U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109244305A (en) * | 2018-10-31 | 2019-01-18 | 盐城国投中科新能源科技有限公司 | A kind of battery core mould group heating device |
-
2017
- 2017-11-30 CN CN201721647151.1U patent/CN207587935U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109244305A (en) * | 2018-10-31 | 2019-01-18 | 盐城国投中科新能源科技有限公司 | A kind of battery core mould group heating device |
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| GR01 | Patent grant |