CN207705352U - A kind of battery case with heat management function - Google Patents
A kind of battery case with heat management function Download PDFInfo
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- CN207705352U CN207705352U CN201720807313.7U CN201720807313U CN207705352U CN 207705352 U CN207705352 U CN 207705352U CN 201720807313 U CN201720807313 U CN 201720807313U CN 207705352 U CN207705352 U CN 207705352U
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- heat
- heat pipe
- battery
- battery case
- management function
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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 battery cases with heat management function, the battery case is closed, meet the requirement of cell sealing, waterproof, the heat pipe that can be transmitted to heat inside and outside babinet is equipped on Battery case, one end of heat pipe is placed in box house, the other end of heat pipe is placed in outside babinet, and heat pipe has been inoculated with the working medium of phase-change heat transfer effect by vacuumizing sealing.The evaporation ends or condensation end of the heat pipe inserted on babinet post radiating fin or coldplate or heating element, form heat pipe assembly.This battery case with heat management function, the heat generated when both promptly battery can work leads outside battery case and scatters away heat, battery can also be heated when needed, it can not only keep the uniform temperature between single battery, and within the scope of the temperature of battery pack capable of being maintained reasonably, safety and the service life of battery pack are improved, and the weight of battery pack can be mitigated, improves the energy density of battery pack.
Description
Technical field
The utility model is related to batteries of electric automobile field of heat management, more particularly to a kind of battery with heat management function
Case.
Background technology
Battery heat dissipation is always a problem of puzzlement new-energy automobile industry, and in winter low temperature, and needing will be electric
The temperature in pond maintains on certain temperature, and battery thermal management is the hot issue of current industry research.In order to improve electronic vapour
The energy density of vehicle power battery pack, the quality for improving battery, the service life for extending battery, reasonably carrying out the heat management of battery is
Electric vehicle industry urgent problem to be solved.On the other hand, in order to ensure that the safety of battery, national standard propose battery case
It is higher sealing and waterproof requirement, how in the case where battery case is closed to battery pack carry out heat management, have many difficult points
Problem needs to solve.
Invention content
The utility model aim is：There is provided that a kind of high temperature rapid heat dissipation, low-temperature heat is fast, temperature is easily controllable, thermal uniformity
A kind of good, light-weight and high energy density battery case with heat management function, the battery case is using heat pipe as key
Heat transfer element, it is simple in structure, safe and reliable, economical and practical.
The technical solution of the utility model is a kind of battery case with heat management function, characterized in that the battery case
Closed Battery case is formed by upper cover, side wall and pedestal, meets the requirement of cell sealing, waterproof, and battery is placed in the confined air
Between within, the heat pipe that can be transmitted to heat inside and outside babinet is equipped on Battery case, one end of heat pipe is placed in box house,
The other end of heat pipe is placed in outside babinet, and the heat pipe has been inoculated with the working medium of phase-change heat transfer effect by vacuumizing sealing.
Further explanation is made to the utility model below.
It is described to insert in the evaporation ends of heat pipe or condensation end on babinet and post radiating fin or coldplate or heating element, it forms
Heat pipe assembly.The heating element is the heating plate of electric heating film, electric boiling plate or interior logical heating agent.
The radiating fin or coldplate or heating element posted on the heat pipe can also be adopted with heat pipe monolithic molding
It is connected with welding or the mode being glued.When being bonded between heat pipe and radiating fin or coldplate or heating element or battery, pasting
The substance with heat conduction, insulating effect, such as heat-conducting glue is added in conjunction face.
The one end of the heat pipe in babinet is placed in beside battery pack or is bonded with single battery.
Heat pipe can be placed in the battery case to be bonded with battery, and heat is led on babinet or outside babinet, or is led cold
But plate, coldplate can be placed in battery case or outside battery case.
When the heat pipe for being affixed on single battery is gravity assisted heat pipe, heat pipe can be placed in U-shaped bottom by U-shaped placement, battery,
U-shaped both ends are directly or indirectly connected with coldplate, and the coldplate being connected with heat pipe both ends, which communicates, to form heat transfer loop.
The heat pipe be linear type, U-shaped, L-shaped, backward L-shaped, square shape, the square shape of opening, flute profile, waveform, rectangle or
Parallelogram.
The heat pipe is plate-type heat-pipe or round heat pipe or special-shaped heat pipe or copper heat pipe, aluminothermy pipe, stainless
Steel heat pipe or composite material hot pipe or gravity assisted heat pipe, pulsating heat pipe or antigravity heat pipe.
The battery box body includes upper cover, side wall and bottom plate, can be respectively adopted metal or nonmetallic making, upper cover,
Side wall and bottom plate can place heat pipe or heat pipe assembly, on each face can there are one or more than one heat pipe or heat pipe heat
Part, and modular structure can be made convenient for splicing.
The heat pipe can be set on babinet, by babinet be made it is a kind of can heat conduction composite material, can also by heat pipe with
Structure is made of one, and is both heat-conducting piece and structural member.
One or more wind turbines can be placed in the Battery case, are made to form cross-ventilation in battery pack, are reached monomer
Samming between battery.
The battery includes battery pack and single battery, and battery pack is made of multiple single batteries, and single battery external form is
Cuboid or cylinder or soft-package battery.
A kind of battery case with heat management function uses crucial heat conducting element of the heat pipe as battery, work former
Reason is：Heat pipe is inserted on babinet, using the high-efficiency heat conduction performance of heat pipe promptly by the heat derives of enclosed cell case to electricity
Outside the case of pond.One end that heat pipe is placed in battery case is bonded with battery（Or it is placed in the closed space of battery case）, heat pipe absorbs electric
The heat in pond（Or the fin by being affixed on heat pipe absorbs the heat of battery）, the evaporation of hot intraductal working medium rapidly passes to heat
On the outside of battery case, heat is scattered away by the fin or coldplate that are bonded with heat pipe on the outside of battery case.When winter conditions temperature mistake
It is low, battery need heating when, heating element transfers heat to heat pipe, in working medium evaporation, transfer heat to electricity rapidly
Pond, the part that heat pipe is bonded with battery at this time become condensation end, and the part with heating element contact is evaporation ends, need to will only be heated
Element control is to certain temperature, and heat pipe spontaneously transfers heat to battery, to control the temperature of battery pack suitable
In the range of, and ensure the good uniform temperature of battery pack.
As known from the above, the utility model is a kind of battery case with heat management function, its good effect has：
（1）Due to being inserted on Battery case using heat pipe, using the characteristic of its phase transformation high-efficiency heat conduction, heat transfer is considerably increased
Efficiency can quickly and effectively export cell heat, can be effectively reduced the maximum temperature of battery pack, and battery temperature control is existed
It in reasonable range, and keeps the temperature difference between battery sufficiently small, significantly improves the consistency of battery pack temperature field.
（2）This radiating mode make it is anhydrous dustless in battery case, it is securely and reliably, simple in structure, avoid general liquid cooling side
Liquid fluxion strap comes in Battery case complexity and security risk in method.
（3）A kind of battery case with heat management function described in the utility model can not only cool down battery pack, but also
Battery pack can be heated, can easily be switched in heating and cooling, to easily and effectively regulating cell group
Temperature.
（4）Due to simplifying the structure of heating system and cooling system, and the especially plate of the heat pipe as Heat Conduction Material
Formula heat pipe weight is very light, significantly reduces battery weight, is conducive to the energy density for improving battery.
Description of the drawings
Fig. 1,2,3,4,5,6,7,8,9,10,11 and 12, which are respectively the utility model one kind, having the function of heat management battery case
The 1st, 2,3,4,5,6,7,8,9,10,11 and 12 kind of embodiment schematic diagram.
In figure：
1-heat pipe, 2-seals, 3-side walls,
4-batteries, 5-upper covers, 6-pedestals,
7-outer fins, 8-inner fins, 9-heating elements,
10-coldplates, 11-fans, 12-air ducts,
13-internal heat pipes, 14-screws, 15-runners.
Specific implementation mode:
In order to be better understood from a kind of battery case with heat management function of the utility model, with reference to embodiment to this
Utility model, which is done, to be further described in detail, but the range of the requires of the utility model protection is not limited to embodiment expression
Range.
Embodiment 1：As shown in Fig. 1, a kind of battery case with heat management function is illustrated, by heat pipe 1, sealing
Mouth 2, side wall 3, battery 4, upper cover 5 and pedestal 6 form.Side wall 3, upper cover 5 and pedestal 6 form Battery case, and battery 4 is placed on electricity
In the babinet of pond, Battery case is the closed structure of dustproof and waterproof, is inserted with heat pipe 1 in upper cover 5, utilizes the spy of 1 high-efficiency heat conduction of heat pipe
Property can be suitable at one by the temperature control in battery case quickly by outside the heat derives to Battery case in Battery case
Range.The heat pipe 1 has been inoculated with the working medium of phase-change heat transfer effect by vacuumizing sealing.When radiating to battery, heat pipe 1
Part in the case is evaporation ends, and the part outside case is condensation end, and when the temperature inside the box is higher than operating temperature, heat will transmit
To heat pipe 1, in working medium evaporation, heat pipe 1 spontaneously transfers heat to outside case rapidly, to by the control of the temperature of battery pack
In suitable range, and ensure the good uniform temperature of battery pack.Seal 2 is carried out close using effective measures such as welding, splicing
Envelope, can be such that heat pipe insert division is well sealed.
Embodiment 2：As shown in Fig. 2, in this embodiment, the evaporation ends of heat pipe 1 are bonded with inner fin 8, condensation end with it is outer
Fin 7 is bonded, and reinforces heat exchange efficiency by increasing heat exchange area.Air duct 12 is set in battery, reinforces battery case with fan 11
Interior hot-air circulation makes in case heat pass through inner fin 8 and passes to heat pipe 1 rapidly, and passes to outer fin 7 by heat pipe 1, then
It is dispersed into outside case.The other structures and operation principle of the present embodiment are same as Example 1.
Embodiment 3：As shown in figure 3, in this embodiment, 1 evaporation ends of square shape heat pipe are placed in case and and inner fin 8
Fitting, condensation end are placed in outside babinet and are bonded with outer fin 7, and square shape heat pipe can be a closed circuit, can also be Fig. 1
Shown in opening square shape（The structure that two Edge Bends come similar to U-shaped heat pipe）.The other structures of the present embodiment and
Operation principle is same as Example 1.
Embodiment 4：As shown in figure 4, in this embodiment, heat pipe 1 is backward L-shaped, and evaporation ends are vertical section, are placed in case
And be bonded with inner fin 8, condensation end is that horizontal segment is placed in outside case and is bonded with outer fin 7, and the heat of battery is passed by air duct 12
Inner fin 8 is passed, and outer fin 7 is transmitted to rapidly by heat pipe 1, it then will be in heat spreader to air.The present embodiment its
His structure and working principle is same as Example 1.
Embodiment 5：As shown in figure 5, in this embodiment, heat pipe 1 is that U-shaped structure is rotated by 90 ° placement（I.e. U-shaped bottom side is perpendicular
It stands up and sets）, it is colling end that 1 upper end of heat pipe, which passes through upper cover 5,1 upper end horizontal sides of heat pipe, and lower end horizontal sides are fire end.Heat pipe 1
Colling end is bonded with coldplate 10, and the fire end of heat pipe 1 is bonded with heating element 9, and the middle section of heat pipe 1 is bonded with battery 4,
Battery in the present embodiment is rectangular cell.When radiating to battery, heating element 9 is closed, heat pipe 1 is bonded with coldplate 10
Part is condensation end, and the part being bonded with battery 4 is evaporation ends, and the heat that battery generates when working makes the working medium in heat pipe 1 steam
Hair, transfers heat to rapidly on the coldplate 10 being bonded with the condensation end of heat pipe 1, is scattered away heat by coldplate 10；When
When needing to heat battery, heating element 9 is opened, the part that heat pipe 1 is bonded with heating element 9 is evaporation ends, and is pasted with battery 4
The part of conjunction is condensation end.Heating element 9 transfers heat to heat pipe 1, in working medium evaporation, heat pipe 1 is rapid spontaneously will
The heat transfer that heating element 9 generates to control the temperature of battery pack in suitable range, and ensures electricity to battery 4
The good uniform temperature of pond group.The other structures and operation principle of the present embodiment are same as Example 1.
Embodiment 6：As shown in fig. 6, in this embodiment, heat pipe 1 inserts in battery case side as different from Example 1
On wall 3, the other structures and operation principle of the present embodiment are same as Example 1.
Embodiment 7：As shown in fig. 7, the battery of the present embodiment is cylindrical battery, this implementation as different from Example 5
The other structures and operation principle of example are same as Example 5.
Embodiment 8：As shown in figure 8, as shown in figure 8, coldplate 10 is closely connect by screw 14 with upper cover 5, seal 2
In be placed with sealing strip, battery case is sealed, coldplate 10 is bonded with heat pipe 1, by the cooling medium in runner 15 by heat band
It walks, battery case and water segregation can be taken away and be accomplished to the heat of battery efficiently by this structure.It is different from embodiment 5
The heat pipe 1 for being the present embodiment is square shape structure, and the other structures and operation principle of the present embodiment are same as Example 5.
Embodiment 9：As shown in figure 9, heat pipe 1 is U-shaped structure in the present embodiment, when the both ends of U-shaped heat pipe 1 are heat dissipation
Colling end be bonded with coldplate 10, the bottom edge upper surface of U-shaped heat pipe 1 is bonded with battery 4, and lower surface is bonded with heating element 9,
Two colling ends of heat pipe 1 stretch out other than Battery case so that coldplate is placed in except babinet, makes to realize Non-water-cooled in babinet
But.The other structures and operation principle of the present embodiment are same as Example 5.
Embodiment 10：As shown in Figure 10, heat pipe has 13 two kinds of forms of heat pipe 1 and internal heat pipe, heat pipe 1 in the present embodiment
For square shape structure, it is placed in battery case side wall, being convenient for will be outside the heat derives to babinet in Battery case；Internal heat pipe 13 be to
The U-shaped of upper opening, U-shaped bottom edge are undaform, are bonded with multiple cylindrical batteries 4, the both sides of U-shaped are bonded with heat pipe 1.It is described
Battery pack is made of multiple batteries 4, and 4 external form of battery is cylindrical type.Coldplate 10 is placed in outside Battery case.The present embodiment other
Structure and working principle is same as Example 9.
Embodiment 11：As shown in figure 11, in this embodiment, the evaporation ends of backward L-shaped heat pipe 1 are bonded with inner fin 8, cold
Solidifying end is bonded with coldplate 10.Heat in case is transmitted rapidly heat pipe 1 by inner fin 8, and coldplate is passed to by heat pipe 1
10, then it is dispersed into outside case.The other structures and operation principle of the present embodiment are same as Example 1.
Embodiment 12：As shown in figure 12, the embodiment and embodiment 11 are except that heat pipe 1 is the U that top is turned up
Shape.The other structures and operation principle of the present embodiment are identical as embodiment 11.
Claims (9)
1. a kind of battery case with heat management function, characterized in that the battery case is formed closed by upper cover, side wall and pedestal
Battery case, meet the requirement of cell sealing, waterproof, battery is placed within the closed Battery case, on Battery case
It is equipped with the heat pipe transmitted to heat inside and outside babinet, one end of heat pipe is placed in box house, and the other end of heat pipe is placed in babinet
Outside, the heat pipe have been inoculated with the working medium of phase-change heat transfer effect by vacuumizing sealing.
2. according to a kind of battery case with heat management function described in claim 1, characterized in that described to be placed in Battery case
On heat pipe evaporation ends or condensation end post radiating fin or coldplate or heating element, form heat pipe assembly.
3. according to a kind of battery case with heat management function described in claim 1, characterized in that the heat pipe is in babinet
One end be placed in beside battery pack or be bonded with single battery, the one end of heat pipe outside the enclosure and radiating fin or coldplate phase
Even.
4. according to a kind of battery case with heat management function described in claim 1, characterized in that placed in the battery case
Internal heat pipe is bonded with battery, and heat is led on babinet or outside babinet.
5. a kind of battery case with heat management function according to claim 4, characterized in that placed in the battery case
Inside heat pipe bend to U-shaped, battery is placed in U-shaped bottom, and U-shaped both ends are directly or indirectly connected with coldplate, with heat pipe two
The connected coldplate in end communicates to form heat transfer loop.
6. according to a kind of battery case with heat management function described in claim 1 or claim 4, characterized in that described
Heat pipe is linear type, U-shaped, L-shaped, backward L-shaped, square shape, the square shape of opening, flute profile, waveform, rectangle or parallelogram.
7. according to a kind of battery case with heat management function described in claim 1, characterized in that put in the Battery case
One or more wind turbines are set, make to form cross-ventilation in battery pack, reach the samming between single battery.
8. according to a kind of battery case with heat management function described in claim 1, characterized in that the heat pipe is set in babinet
On, a kind of composite material for capableing of heat conduction is made in babinet.
9. according to a kind of battery case with heat management function described in claim 1, characterized in that make heat pipe and structure
One, it is both heat-conducting piece and structural member to make babinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720807313.7U CN207705352U (en) | 2017-07-05 | 2017-07-05 | A kind of battery case with heat management function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720807313.7U CN207705352U (en) | 2017-07-05 | 2017-07-05 | A kind of battery case with heat management function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207705352U true CN207705352U (en) | 2018-08-07 |
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ID=63019705
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720807313.7U Active CN207705352U (en) | 2017-07-05 | 2017-07-05 | A kind of battery case with heat management function |
Country Status (1)
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| CN (1) | CN207705352U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109509852A (en) * | 2018-11-30 | 2019-03-22 | 苏州安靠电源有限公司 | Battery pack |
| CN109860949A (en) * | 2019-01-22 | 2019-06-07 | 重庆交通大学 | Cell safety heat management device |
| CN113675494A (en) * | 2021-07-12 | 2021-11-19 | 东风汽车集团股份有限公司 | Heat pipe fin type cooling structure applied to power battery module |
-
2017
- 2017-07-05 CN CN201720807313.7U patent/CN207705352U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109509852A (en) * | 2018-11-30 | 2019-03-22 | 苏州安靠电源有限公司 | Battery pack |
| CN109860949A (en) * | 2019-01-22 | 2019-06-07 | 重庆交通大学 | Cell safety heat management device |
| CN113675494A (en) * | 2021-07-12 | 2021-11-19 | 东风汽车集团股份有限公司 | Heat pipe fin type cooling structure applied to power battery module |
| CN113675494B (en) * | 2021-07-12 | 2023-10-24 | 东风汽车集团股份有限公司 | Heat pipe fin type cooling structure applied to power battery module |
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