CN207021360U - A kind of battery pack - Google Patents
A kind of battery pack Download PDFInfo
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- CN207021360U CN207021360U CN201720882313.3U CN201720882313U CN207021360U CN 207021360 U CN207021360 U CN 207021360U CN 201720882313 U CN201720882313 U CN 201720882313U CN 207021360 U CN207021360 U CN 207021360U
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- phase
- change material
- battery
- cooling
- dividing plate
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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 provides a kind of battery pack, including battery module and battery cooling plate, battery cooling plate is hollow structure, and dividing plate is provided with battery cooling plate, battery cooling plate is separated into independent cooling sap cavity and phase-change material chamber by dividing plate, and phase-change material intracavitary is provided with the first stopping means；Phase-change material intracavitary is provided with phase-change material, and coolant intracavitary is provided with inlet and liquid outlet；Phase-change material chamber is provided with pressure-regulating device, and pressure-regulating device is located at the upside of phase-change material；When cooling down sap cavity volume maximum, at least cooling sap cavity in part is thermally contacted with battery module；When cooling down sap cavity volume minimum, at least partial phase change materials chamber is thermally contacted with battery module.The utility model solves the problems, such as that cooling to battery and insulation are difficult to take into account, there is provided a kind of battery pack, can take into account the cooling and insulation of battery.
Description
Technical field
It the utility model is related to a kind of battery pack with temp regulating function.
Background technology
With the fast development of new-energy automobile industry, the electrokinetic cell as electric automobile heart turns into the heat of research
Point, electrokinetic cell work competence exertion its optimum performance within the scope of suitable temperature.In actual use, battery is in work
Make inevitably to produce substantial amounts of heat under state, if caused heat can not distribute in time, the heat of accumulation can
The generating heat of electrokinetic cell, on fire or even blast etc. can be triggered.
Therefore, prior art is cooled using battery cooling plate to electrokinetic cell, battery cooling plate of the prior art
Mostly by way of being passed through coolant inside coldplate, when temperature of powered cell is too high, battery module is cooled down,
The temperature of control electrokinetic cell prevents thermal runaway.But such type of cooling, it is difficult to need in the environment of battery thermal (such as
Temperature relatively low winter) take into account the cooling and insulation of battery.
Utility model content
The utility model provides a kind of battery pack, including battery module and battery cooling plate, battery cooling plate are hollow knot
Structure, battery cooling plate thermally contact with battery module, are provided with moveable dividing plate in battery cooling plate, and dividing plate is by battery cooling plate
It is separated into independent cooling sap cavity and phase-change material chamber；Phase-change material intracavitary is provided with phase-change material, and coolant intracavitary is provided with
Inlet and liquid outlet；Phase-change material chamber is provided with pressure-regulating device；Cooling sap cavity volume is when tapering into, cooling sap cavity with
The thermocontact area of battery module tapers into, and the thermocontact area of phase-change material chamber and battery module becomes larger, and phase
Move in the direction for becoming at least partial phase change material to close cooling sap cavity in materials chamber.
Wherein, thermo-contact includes the direct contact for the purpose of heat conduction and the mediate contact for the purpose of adjusting thermal resistance (such as：
The mediate contact mode of heat-conducting glue is set between contact surface).
In a kind of embodiment of the present utility model, phase-change material intracavitary is provided with the first stopping means, and dividing plate can be
The side movement of first stopping means.
Coolant enters cooling sap cavity from inlet, and in the presence of coolant pressure, dividing plate moves to the first stopping means
It is dynamic, sap cavity volume is cooled down in the process gradually to be increased；Dividing plate continues to move to be limited in the first stopping means opening position, this
When to cool down sap cavity volume maximum；Coolant outflow cooling sap cavity, dividing plate (or are possessing certain vacuum in the presence of phase-change material
In the presence of the cooling sap cavity of degree), reverse movement, now direction movement of at least part phase-change material to close cooling sap cavity,
Cooling sap cavity volume is gradually reduced in the process；When dividing plate is moved to the stopping means of distance first farthest position, coolant
Chamber volume is minimum.
In the change procedure of cooling sap cavity volume, inlet and liquid outlet are always positioned at coolant intracavitary, and coolant is led to
Inlet and liquid outlet disengaging cooling sap cavity are crossed, the first stopping means is always positioned at phase-change material intracavitary.
When cooling down sap cavity volume maximum, coolant and phase-change material cool down to battery module；Cool down sap cavity volume most
Hour, phase-change material discharges the heat of storage, and battery module is incubated.
When cooling down sap cavity volume maximum, at least cooling sap cavity in part is thermally contacted with battery module；Sap cavity is cooled down to hold
When product is minimum, at least partial phase change materials chamber is thermally contacted with battery module.
Pressure-regulating device refers to：Being passed through and discharge to phase-change material intracavitary does not influence the material of phase-change material performance, with
Enable the device that dividing plate moves up and down.
In a kind of embodiment of the present utility model, dividing plate is heat conduction baffle, and dividing plate can be aluminium sheet.
In a kind of embodiment of the present utility model, pressure-regulating device is located at the upside of phase-change material.
The volume of phase-change material chamber and cooling sap cavity and be certain, the volume of phase-change material chamber is with cooling sap cavity volume
Change and change.Pressure-regulating device adjusts the gas pressure of phase-change material intracavitary when the volume of phase-change material chamber changes
Power, the gas pressure of phase-change material intracavitary is set to keep within the specific limits；In the change procedure of the volume of phase-change material chamber, pressure
Apparatus for adjusting force is all the time on phase-change material chamber and positioned at the upside of phase-change material.
In a kind of embodiment of the present utility model, phase-change material chamber is above cooling sap cavity.
Phase-change material is located above dividing plate and moved up and down with dividing plate.
In a kind of embodiment of the present utility model, phase-change material chamber is with cooling sap cavity in same level height.
In a kind of embodiment of the present utility model, coolant intracavitary is provided with the second stopping means, and dividing plate can be
Moved back and forth between one stopping means and the second stopping means.
In the change procedure of cooling sap cavity volume, the second stopping means is always positioned at coolant intracavitary；First spacing dress
Put the boss that can be integrally fixed at the second stopping means on battery cooling plate, for dividing plate move back and forth carry out it is spacing,
The concrete arrangement of boss is common knowledge, if can to dividing plate move back and forth carry out it is spacing.
In a kind of embodiment of the present utility model, the cross section of dividing plate is rectangle, dividing plate and battery cooling plate inwall
The lateral edge of contact is provided with guide runner, and guide runner is arranged at two diagonal apexes of rectangle, guide runner
It is arranged on the homonymy of dividing plate.
Guide runner is oriented to moving back and forth for dividing plate, moving process is steadily carried out.
In a kind of embodiment of the present utility model, the cross section of dividing plate is rectangle, dividing plate and battery cooling plate inwall
Each lateral edge of contact is provided with guide runner, and guide runner is arranged on the homonymy of dividing plate.
In a kind of embodiment of the present utility model, the cross-sectional area of liquid outlet is less than the face of inlet cross section
Product.
Liquid outlet is less than the pressure that inlet is beneficial to increase coolant intracavitary coolant, is easy to dividing plate in coolant pressure
Moved under effect to the first stopping means.
In a kind of embodiment of the present utility model, liquid outlet is provided with choke valve.
Choke valve is set in liquid outlet, the flow of liquid outlet can be controlled, increases the pressure of coolant intracavitary coolant, just
Moved in dividing plate in the presence of coolant pressure to the first stopping means.
In a kind of embodiment of the present utility model, phase-change material cavity wall is provided with anti-adherent coating；Anti- adhesion applies
Layer can be teflon coatings.
In phase-change material chamber volume maximum, its inwall can prevent phase-change material to be adhered to covered with teflon coatings
Phase-change material cavity wall.
In a kind of embodiment of the present utility model, phase-change material is solid-liquid phase-change material.
Gu-liquid phase-change material can select fusing point as 5.5 DEG C of paraffin.
In a kind of embodiment of the present utility model, pressure-regulating device is breather valve.
The gas pressure of valve regulation phase-change material intracavitary is breathed, is kept it in certain limit；Phase-change material intracavitary
When gas pressure is too high, outwards exhale；When the gas pressure of phase-change material intracavitary is too low, inside air-breathing.
In a kind of embodiment of the present utility model, mobile limiter is provided with below the first stopping means；Activity
Vertical distance between stopping means top edge and the first stopping means lower edge is the thickness of dividing plate and the height of guide runner
Sum.
Mobile limiter (such as outdoor temperature higher summer) when that need not be incubated to battery module works,
Now, dividing plate is fixed between the first stopping means and mobile limiter, directly utilizes the coolant pair of coolant intracavitary
Battery module is cooled down；When needing to be incubated battery module, mobile limiter does not play position-limiting action.
In a kind of embodiment of the present utility model, phase-change material intracavitary is provided with sealing plate, sealing plate and dividing plate it
Between form the space of closing, phase-change material is arranged between sealing plate and dividing plate.
The beneficial effects of the utility model：
The utility model can take into account the cooling and insulation to battery module, make battery module work at a suitable temperature
Make, to play optimal performance；Coolant can be carried out cold by inlet and liquid outlet disengaging cooling sap cavity to battery module
But, prevent that battery module temperature is too high, phase-change material absorbs simultaneously storing heat in the process, assists coolant to battery module
Cooling；Cooling stops, coolant outflow cooling sap cavity, the heat of the phase-change material release storage of phase-change material intracavitary, to electricity
Pond module is incubated, and prevents that battery module temperature is too low.
Brief description of the drawings
Fig. 1 is battery pack perspective diagram.
Fig. 2 is battery cooling plate perspective diagram.
Fig. 3 is dividing plate and guide runner structural representation.
Fig. 4 is the battery pack perspective diagram of embodiment two.
Fig. 5 is the battery cooling plate perspective diagram of embodiment two.
Fig. 6 is the battery pack perspective diagram of embodiment three.
Fig. 7 is the battery cooling plate perspective diagram of embodiment three.
Fig. 8 is example IV battery pack perspective diagram.
Fig. 9 is example IV battery cooling plate perspective diagram.
Description of reference numerals：
1：Battery module, 2：Battery cooling plate, 3：First stopping means, 4：Dividing plate, 5：Cooling sap cavity, 51：Inlet,
52：Liquid outlet, 6：Phase-change material chamber, 7：Pressure-regulating device, 8：Second stopping means, 9：Guide runner.
Embodiment
The utility model is described in detail following specific embodiment, but the utility model is not restricted to
Following examples.
Embodiment one：
As shown in figure 1, the utility model provides a kind of battery pack, including battery module 1 and battery cooling plate 2, battery is cold
But plate 2 is hollow structure, and battery cooling plate 2 thermally contacts with battery module 1, and the first stopping means 3 is provided with battery cooling plate 2
With dividing plate 4, battery cooling plate 2 is separated into independent cooling sap cavity 5 and phase-change material chamber 6 by dividing plate 4, and phase-change material chamber 6 is located at
Cool down the top of sap cavity 5.
As shown in Figure 1 and Figure 2, the first stopping means 3 is arranged in phase-change material chamber 6, and dividing plate 4 can be in the first stopping means 3
Side (downside) move back and forth；Be provided with phase-change material in phase-change material chamber 6, phase-change material be located on dividing plate 4 and with every
Plate 4 moves up and down, and cools down in sap cavity 5 and is provided with inlet 51 and liquid outlet 52, inlet 51 and liquid outlet 52 are arranged on cooling
The bottom of sap cavity 5；Phase-change material chamber 6 is provided with pressure-regulating device 7, and pressure-regulating device 7 is located at the upside of phase-change material；It is cold
But (dividing plate 4 contacts with the first stopping means 3) during 5 volume maximum of sap cavity, at least cooling sap cavity 5 in part enters with battery module 1
Row thermo-contact；When the cooling volume of sap cavity 5 tapers into (dividing plate 4 moves gradually downward), the heat of cooling sap cavity 5 and battery module 1
Contact area tapers into, and the thermocontact area of phase-change material chamber 6 and battery module 1 becomes larger, and at least part phase
Become material to close to (downward) movement in the direction of cooling sap cavity 5；When cooling down 5 volume minimum of sap cavity (dividing plate 4 is moved to bottom),
At least partial phase change materials chamber 6 is thermally contacted with battery module 1.
The cross-sectional area of liquid outlet 52 is less than the area of the cross section of inlet 51；Liquid outlet 52 is provided with choke valve.Phase
Become the inwall of materials chamber 6 and be provided with teflon coatings；Phase-change material is solid-liquid phase-change material.Pressure-regulating device 7 is breather valve.
As shown in Figure 1, Figure 3, the cross section of dividing plate 4 is rectangle, the side face edge that dividing plate 4 contacts with the inwall of battery cooling plate 2
Edge is provided with guide runner 9, and guide runner 9 is arranged at two diagonal apexes of rectangle, and guide runner 9 is arranged on dividing plate
4 homonymy.
The specific work process of the present embodiment：When the temperature of battery module 1 in battery pack is too high, cooling procedure starts, cold
But liquid is from inlet 51 and the disengaging cooling sap cavity 5 of liquid outlet 52, into cooling sap cavity 5 coolant by itself pressure by dividing plate
4 push up, and move up dividing plate 4, in the process, phase-change material absorption and storage battery module 1 in solid-state
Heat turns into liquid, assists coolant to cool down battery module 1；Coolant outflow cooling sap cavity 5 (cooling stops), dividing plate
4 and its liquid state phase change material of top moved down under self gravitation effect so that liquid state phase change material is deposited using itself
The heat of storage is incubated to battery module 1.
Embodiment two
As shown in figure 4, the utility model provides a kind of battery pack, including battery module 1 and battery cooling plate 2, battery is cold
But plate 2 is hollow structure, and battery cooling plate 2 thermally contacts with battery module 1, and dividing plate 4 is provided with battery cooling plate 2, and dividing plate 4 will
Battery cooling plate 2 is separated into independent cooling sap cavity 5 and phase-change material chamber 6；Phase-change material chamber 6 is positioned at the top of cooling sap cavity 5.
As shown in figure 5, being provided with the first stopping means 3 in phase-change material chamber 6, it is spacing to be provided with second in cooling sap cavity 5
Device 8, dividing plate 4 can move back and forth between the first stopping means 3 and the second stopping means 8.Phase is provided with phase-change material chamber 6
Become material, phase-change material is located on dividing plate 4 and moved up and down with dividing plate 4, cools down and inlet 51 is provided with sap cavity 5 and goes out liquid
Mouth 52, inlet 51 and liquid outlet 52 are arranged on the lower section of the second stopping means 8；Phase-change material chamber 6 is provided with pressure regulation dress
7 are put, pressure-regulating device 7 is located at the upside of phase-change material.
As shown in figure 4, during cooling 5 volume maximum of sap cavity (dividing plate 4 contacts with the first stopping means 3), at least part is cold
But sap cavity 5 is thermally contacted with battery module 1；When the cooling volume of sap cavity 5 tapers into (dividing plate 4 moves gradually downward), cooling
The thermocontact area of sap cavity 5 and battery module 1 tapers into, and the thermocontact area of phase-change material chamber 6 and battery module 1 gradually becomes
Greatly, and at least partial phase change material is to close to (downward) movement in the direction of cooling sap cavity 5；When cooling down 5 volume minimum of sap cavity
(dividing plate 4 contacts with the second stopping means 8), at least partial phase change materials chamber 6 is thermally contacted with battery module 1.
The cross section of dividing plate 4 is rectangle, and each lateral edge that dividing plate 4 contacts with the inwall of battery cooling plate 2 is provided with guiding
Sliding block (not shown), guide runner are arranged on the homonymy of dividing plate 4.
The cross-sectional area of liquid outlet 52 is less than the area of the cross section of inlet 51；Liquid outlet 52 is provided with choke valve.Become
The inwall of materials chamber 6 is provided with teflon coatings；Phase-change material is solid-liquid phase-change material.Pressure-regulating device 7 is breather valve.
The specific work process of the present embodiment：When the temperature of battery module 1 in battery pack is too high, cooling procedure starts, cold
But liquid is from inlet 51 and the disengaging cooling sap cavity of liquid outlet 52, into cooling sap cavity 5 coolant by itself pressure by dividing plate 4
Push up, move up dividing plate 4, in the process, the phase-change material in solid-state absorbs and the heat of storage battery module 1
Amount turns into liquid, assists coolant to cool down battery module 1；Coolant outflow cooling sap cavity 5 (cooling stops), dividing plate 4
And its liquid state phase change material of top moves down under self gravitation effect, so that liquid state phase change material is stored using itself
Heat battery module 1 is incubated.
Embodiment three
As shown in fig. 6, the utility model provides a kind of battery pack, including battery module 1 and battery cooling plate 2, battery is cold
But plate 2 is hollow structure, and battery cooling plate 2 thermally contacts with battery module 1, and dividing plate 4 is provided with battery cooling plate 2, and dividing plate 4 will
Battery cooling plate 2 is separated into independent cooling sap cavity 5 and phase-change material chamber 6, and phase-change material chamber 6 is with cooling sap cavity 5 in same water
Flat height.
As shown in fig. 7, being provided with the first stopping means 3 in phase-change material chamber 6, dividing plate 4 can be the one of the first stopping means 3
Side moves back and forth；Phase-change material is provided with phase-change material chamber 6, cools down in sap cavity 5 and is provided with inlet 51 and liquid outlet 52, enter
Liquid mouth 51 and liquid outlet 52 are arranged on end of the cooling sap cavity 5 away from phase-change material chamber 6；Phase-change material chamber 6 is provided with pressure tune
Regulating device 7, pressure-regulating device 7 are located at the upside of phase-change material.
As shown in fig. 6, during cooling 5 volume maximum of sap cavity (dividing plate 4 contacts with the first stopping means 3), at least part is cold
But sap cavity 5 is thermally contacted with battery module 1；(dividing plate 4 is gradually to spacing away from first when the cooling volume of sap cavity 5 tapers into
The direction movement of device 3), the thermocontact area of cooling sap cavity 5 and battery module 1 tapers into, phase-change material chamber 6 and battery mould
The thermocontact area of block 1 becomes larger, and at least partial phase change material moves to close to the direction of cooling sap cavity 5；Cooling
During 5 volume minimum of sap cavity, at least partial phase change materials chamber 6 is thermally contacted with battery module 1.
As shown in fig. 6, the cross section of dividing plate 4 is rectangle, the lateral edge that dividing plate 4 contacts with the inwall of battery cooling plate 2 is set
Guide runner 9 is equipped with, guide runner 9 is arranged at four apexes of rectangle, and guide runner 9 is arranged on the homonymy of dividing plate 4.
The cross-sectional area of liquid outlet 52 is less than the area of the cross section of inlet 51；Liquid outlet 52 is provided with choke valve.Phase
Become the inwall of materials chamber 6 and be provided with teflon coatings；Phase-change material is solid-liquid phase-change material.Pressure-regulating device 7 is breather valve.
The specific work process of the present embodiment：When the temperature of battery module 1 in battery pack is too high, cooling procedure starts, cold
But liquid is from inlet 51 and the disengaging cooling sap cavity 5 of liquid outlet 52, into cooling sap cavity 5 coolant by itself pressure by dividing plate
4 promote towards the first stopping means 3, dividing plate 4 is moved to the first stopping means 3, in the process, the phase transformation material in solid-state
Material absorbs and the heat of storage battery module 1 turns into liquid, assists coolant to cool down battery module 1；Coolant flows out
Sap cavity 5 (cooling stops) being cooled down, dividing plate 4 is in the presence of liquid state phase change material pressure to the direction away from the first stopping means 3
It is mobile, so that liquid state phase change material is incubated using the heat that itself is stored to battery module 1.
Example IV
As shown in figure 8, the utility model provides a kind of battery pack, including battery module 1 and battery cooling plate 2, battery is cold
But plate 2 is hollow structure, and battery cooling plate 2 thermally contacts with battery module 1, and dividing plate 4 is provided with battery cooling plate 2, and dividing plate 4 will
Battery cooling plate 2 is separated into independent cooling sap cavity 5 and phase-change material chamber 6, and phase-change material chamber 6 is with cooling sap cavity 5 in same water
Flat height.
As shown in figure 9, being provided with the first stopping means 3 in phase-change material chamber 6, it is spacing to be provided with second in cooling sap cavity 5
Device 8, dividing plate 4 can move back and forth between the first stopping means 3 and the second stopping means 8.Phase is provided with phase-change material chamber 6
Become material, cool down and inlet 51 and liquid outlet 52 are provided with sap cavity 5, inlet 51 and liquid outlet 52 are arranged on cooling sap cavity 5
Between end and the second stopping means 8 away from phase-change material chamber 6；Phase-change material chamber 6 is provided with pressure-regulating device 7, pressure
Adjusting means 7 is located at the upside of phase-change material.
As shown in figure 8, during cooling 5 volume maximum of sap cavity (dividing plate 4 contacts with the first stopping means 3), at least part is cold
But sap cavity 5 is thermally contacted with battery module 1；(dividing plate 4 is gradually to spacing away from first when the cooling volume of sap cavity 5 tapers into
The direction movement of device 3), at least partial phase change material moves to close to the direction of cooling sap cavity 5；Cool down the volume of sap cavity 5 most
Hour (dividing plate 4 contacts with the second stopping means 8), the thermocontact area of cooling sap cavity 5 and battery module 1 taper into, phase transformation
Materials chamber 6 and the thermocontact area of battery module 1 become larger, and at least partial phase change materials chamber 6 is entered with battery module 1
Row thermo-contact.
The cross section of dividing plate 4 is rectangle, and each lateral edge that dividing plate 4 contacts with the inwall of battery cooling plate 2 is provided with guiding
The (not shown) of sliding block 9, guide runner 9 are arranged on the homonymy of dividing plate 4.
The cross-sectional area of liquid outlet 52 is less than the area of the cross section of inlet 51；Liquid outlet 52 is provided with choke valve.Phase
Become the inwall of materials chamber 6 and be provided with teflon coatings；Phase-change material is solid-liquid phase-change material.Pressure-regulating device 7 is breather valve.
The specific work process of the present embodiment：When the temperature of battery module 1 in battery pack is too high, cooling procedure starts, cold
But liquid is from inlet 51 and the disengaging cooling sap cavity 5 of liquid outlet 52, into cooling sap cavity 5 coolant by itself pressure by dividing plate
4 promote towards the first stopping means 3, dividing plate 4 is moved to the first stopping means 3, in the process, the phase transformation material in solid-state
Material absorbs and the heat of storage battery module 1 turns into liquid, assists coolant to cool down battery module 1；Coolant flows out
Cool down sap cavity 5 (cooling stop), dividing plate 4 is in the presence of liquid state phase change material pressure (or in the cooling for possessing certain vacuum degree
In the presence of sap cavity 5) moved to the direction away from the first stopping means 3, so that liquid state phase change material utilizes itself storage
Heat is incubated to battery module 1.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art can readily occur in the technical scope that the utility model discloses
Change or replacement, should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should
It is defined by the protection domain of claims.
Claims (14)
1. a kind of battery pack, including battery module and battery cooling plate, the battery cooling plate is hollow structure, and the battery is cold
But plate thermally contacts with battery module, it is characterised in that：Moveable dividing plate is provided with the battery cooling plate, the dividing plate will
Battery cooling plate is separated into independent cooling sap cavity and phase-change material chamber；The phase-change material intracavitary is provided with phase-change material, institute
State coolant intracavitary and be provided with inlet and liquid outlet；The phase-change material chamber is provided with pressure-regulating device；The coolant
When chamber volume tapers into, the thermocontact area for cooling down sap cavity and battery module tapers into, phase-change material chamber and battery module
Thermocontact area become larger, and phase-change material intracavitary at least partial phase change material to close to cooling sap cavity direction move
It is dynamic.
A kind of 2. battery pack as claimed in claim 1, it is characterised in that：The phase-change material intracavitary is provided with sealing plate, close
The space of closing is formed between shrouding and dividing plate, phase-change material is arranged between sealing plate and dividing plate.
A kind of 3. battery pack as claimed in claim 1, it is characterised in that：The phase-change material intracavitary is provided with the first spacing dress
Put, the dividing plate can move in the side of the first stopping means.
A kind of 4. battery pack as claimed in claim 3, it is characterised in that：The coolant intracavitary is provided with the second spacing dress
Put, the dividing plate can move back and forth between the first stopping means and the second stopping means.
A kind of 5. battery pack as claimed in claim 1, it is characterised in that：The phase-change material chamber is with cooling sap cavity in same water
Flat height.
A kind of 6. battery pack as claimed in claim 1, it is characterised in that：The phase-change material chamber is above cooling sap cavity.
A kind of 7. battery pack as described in claim 2-6 is any, it is characterised in that：The cross section of the dividing plate is rectangle, every
Plate is provided with guide runner with the lateral edge that battery cooling plate inwall contacts, and guide runner is arranged at diagonal two of rectangle
Individual apex, guide runner are arranged on the homonymy of dividing plate.
A kind of 8. battery pack as described in claim 2-6 is any, it is characterised in that：The cross section of the dividing plate is rectangle, every
Each lateral edge that plate contacts with battery cooling plate inwall is provided with guide runner, and guide runner is arranged on the homonymy of dividing plate.
A kind of 9. battery pack as described in claim 2-6 is any, it is characterised in that：The cross-sectional area of the liquid outlet is less than
The area of inlet cross section.
A kind of 10. battery pack as described in claim 2-6 is any, it is characterised in that：The liquid outlet is provided with choke valve.
A kind of 11. battery pack as described in claim 2-6 is any, it is characterised in that：The phase-change material cavity wall is provided with
Anti- adherent coating.
A kind of 12. battery pack as described in claim 2-6 is any, it is characterised in that：The phase-change material cavity wall is provided with
Teflon coatings.
A kind of 13. battery pack as described in claim 2-6 is any, it is characterised in that：The phase-change material becomes for solid-liquid phase
Material.
A kind of 14. battery pack as described in claim 2-6 is any, it is characterised in that：The pressure-regulating device is breather valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720882313.3U CN207021360U (en) | 2017-07-20 | 2017-07-20 | A kind of battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720882313.3U CN207021360U (en) | 2017-07-20 | 2017-07-20 | A kind of battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207021360U true CN207021360U (en) | 2018-02-16 |
Family
ID=61481125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720882313.3U Active CN207021360U (en) | 2017-07-20 | 2017-07-20 | A kind of battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207021360U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109888435A (en) * | 2019-04-03 | 2019-06-14 | 吉林大学 | A kind of new-energy automobile power battery cooling system |
| CN113178657A (en) * | 2021-04-19 | 2021-07-27 | 涂序江 | Monomer type lithium battery pack system based on new energy automobile and use method thereof |
-
2017
- 2017-07-20 CN CN201720882313.3U patent/CN207021360U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109888435A (en) * | 2019-04-03 | 2019-06-14 | 吉林大学 | A kind of new-energy automobile power battery cooling system |
| CN109888435B (en) * | 2019-04-03 | 2023-11-24 | 吉林大学 | New energy automobile power battery cooling system |
| CN113178657A (en) * | 2021-04-19 | 2021-07-27 | 涂序江 | Monomer type lithium battery pack system based on new energy automobile and use method thereof |
| CN113178657B (en) * | 2021-04-19 | 2023-03-31 | 湖南顺隆新能源科技有限公司 | Monomer type lithium battery pack system based on new energy automobile and use method thereof |
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