CN205680712U - A kind of battery modules - Google Patents
A kind of battery modules Download PDFInfo
- Publication number
- CN205680712U CN205680712U CN201620538471.2U CN201620538471U CN205680712U CN 205680712 U CN205680712 U CN 205680712U CN 201620538471 U CN201620538471 U CN 201620538471U CN 205680712 U CN205680712 U CN 205680712U
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- Prior art keywords
- battery modules
- cell
- lower box
- heat
- locating slot
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- Expired - Fee Related
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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 battery modules, including cell, battery case and heat-conducting layer, wherein, battery case is provided with the relative wall of least one set in having cavity and cavity, be symmetrically provided with locating slot on the relative wall of least one set, two relative locating slots can respectively with two lateral engagement on the length direction of cell or width with securing unit battery；Heat-conducting layer is made up of phase-change material, is filled in the gap between cell and cavity inner wall and/or between neighboring unit cell；Above-mentioned battery modules; after being completed; can there is a lot of gap accommodating heat-conducting layer in battery case; it is possible not only to accommodate heat-conducting layer so that it is directly contact with cell, it is ensured that good radiating effect; and heat-conducting layer can be formed and be effectively protected support by these gaps; avoid suffering damage when battery modules is run, extend its service life so that it is play well stable thermolysis.
Description
Technical field
The utility model relates to cell art, particularly to a kind of battery modules.
Background technology
With being on the rise of energy crisis and problem of environmental pollution, the electric power more cleaning is used to substitute conventional change
Stone fuel has become as a kind of important developing direction as energy source of car, has received more and more attention.Battery technology
Degree of stability when one of key technology as electric automobile, battery and operation all can directly affect electric automobile
Stability and security.
Management system that the electrokinetic cell system of electric automobile typically by battery modules and is installed in battery modules,
Support and guard system, discharge and recharge conversion connecting device etc. are constituted, and wherein, battery modules generally comprises multiple cell, makes
During with, the heat that each cell produces can accumulate in inside battery modules, makes battery modules temperature raise, if produced
Raw heat can not shed in time, battery modules local temperature can be caused to raise, this property to cell in battery modules
Can, battery modules overall service life cause serious impact, probably due to local thermal runaway when serious, and cause on fire,
Blast.
In prior art, there is a kind of type of cooling to be phase-change material cooling, utilize phase-change material height latent heat to save battery
Then heat is shed from phase-change material and reaches the purpose of heat radiation by the heat producing, and this type of cooling even temperature effect is good, energy
The temperature difference between each cell in enough effectively reducing battery modules, good heat-transfer, radiating efficiency is high, simple in construction, cost
Cheap, easily manufacture, therefore there is more wide utilization prospect.But the current phase-change material type of cooling there is also
Some problems, or charge phase-change material to interlayer, make interlayer contact with battery modules, but interlayer and battery modules it
Between there is bigger thermal contact resistance, heat transfer efficiency is low, and is not easy to manufacture, or makes phase-change material directly and battery modules
Contact, reduces thermal contact resistance, improves heat transfer efficiency, but does not form again effectively reliable protection to phase-change material
Support, the phase-change material causing self-strength relatively low is easily subject to infringement in battery modules running, and the life-span is low, and it is right to be unfavorable for
Battery modules carries out continual and steady heat radiation.
Therefore, the cooling structure of battery modules in electrokinetic cell system how is improved so that it is radiating efficiency is high, and has relatively
The long life-span, can be continual and steady play a role, become those skilled in the art's important technological problems urgently to be resolved hurrily.
Utility model content
In view of this, the utility model provides a kind of battery modules, high to reach to be allowed to cool structure radiating efficiency, and
There is the longer life-span, the purpose playing a role that can be continual and steady.
For achieving the above object, the following technical scheme of the utility model offer:
A kind of battery modules, comprising:
Cell；
There is the battery case of cavity, be provided with the relative wall of least one set in described cavity, and least one set is relative
It is symmetrically provided with locating slot, the length that two relative described locating slots can respectively with described cell on described wall
Two lateral engagement on direction or width are to fix at least one described cell；
The heat-conducting layer being made up of phase-change material, is filled between described cell with described cavity inner wall and/or adjacent
In gap between described cell.
Preferably, described battery case includes lower box and top cover, and described lower box is relative two-by-two by base plate and four
Side plate surround, the inwall of the relative described side plate of one of which is symmetrically provided with described locating slot, described top cover is used for
Surround described each gap with described lower box fitted seal.
Preferably, described battery modules includes multiple cell, corresponding, the one of which phase of described lower box
To described side plate on be provided with multiple described locating slot, multiple described cells are arranged at described lower box abreast
In, and the gap between cell described in adjacent two is the first joint filling, another group phase of described cell and described lower box
To described side plate inwall between gap be the second joint filling.
Preferably, described top cover includes sealing for the heat conduction pin blocking described first joint filling covering and described for blocking
The side seals lid of the second joint filling, described heat conduction pin seals lid and includes cover plate, heat conduction pin and the first radiating fin, described heat conduction
Pin and described first radiating fin are divided into described cover plate upper and lower surface, and described heat conduction pin is used for inserting in described first joint filling
Described heat-conducting layer in.
Preferably, the outer wall of four described side plates of described lower box is provided with the second radiating fin.
Preferably, the inwall of the relative described side plate of the one of which of described lower box is provided with at least two positioning
Rib, the inwall of described side plate surrounds described locating slot with two positioning ribs on it.
Preferably, described locating slot extends from the opening part of described lower box to described base plate direction, and described locating slot
Length less than the height of described lower box.
Preferably, the inwall of the base plate of described lower box is provided with the heat conduction less than edge under described locating slot for the height
Post.
Preferably, also including temperature-controlling component, described temperature-controlling component includes controller, temperature sensor and heat sink；
Described temperature sensor is connected with the signal input part of described controller, is used for detecting described battery modules or described monomer electricity
The temperature in pond；The signal output part of described controller is connected with described heat sink；Described heat sink is arranged at described battery
Outside module.
Preferably, described heat sink includes fan.
From technique scheme it can be seen that the utility model provide battery modules, including cell, battery case with
And heat-conducting layer, wherein, cell has at least one；It is relative that battery case is provided with least one set in having cavity and cavity
Wall, the relative wall of least one set is symmetrically provided with locating slot, and two relative locating slots can be respectively with at least one
Two lateral engagement on the length direction of individual cell or width are to fix at least one cell；Heat-conducting layer by
Phase-change material is made, and is filled in the gap between cell and cavity inner wall and/or between neighboring unit cell；Above-mentioned
Battery modules, after locating slot cooperation on the wall relative with one of which for the cell is fixed in battery case, itself and electricity
Between other walls in the case of pond, when cell has multiple, all can there is a gap between adjacent two cells, no
Only can accommodate heat-conducting layer, make heat-conducting layer directly contact with cell, it is ensured that good radiating effect, and these gap energy
Enough form heat-conducting layer is effectively protected support, it is to avoid heat-conducting layer suffers damage when battery modules is run, and extends it and uses the longevity
Life, thus can be continual and steady play good thermolysis.
Brief description
In order to be illustrated more clearly that the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing of required use is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only
It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the battery modules that Fig. 1 provides for the utility model embodiment；
The structural representation of lower box in the battery modules that Fig. 2 provides for the utility model embodiment；
The structural representation that in the battery modules that Fig. 3 provides for the utility model embodiment, cell coordinates with lower box
Figure；
Heat conduction pin sealing cover structure schematic diagram in the top cover of the battery modules that Fig. 4 provides for the utility model embodiment；
Side seals lid structural representation in the top cover of the battery modules that Fig. 5 provides for the utility model embodiment；
The heat conduction pin of the battery modules that Fig. 6 provides for the utility model embodiment seals lid and shows with the structure of lower box assembling
It is intended to.
Detailed description of the invention
The utility model provides a kind of battery modules, high to reach to be allowed to cool structure radiating efficiency, and has longer
Life-span, the purpose playing a role that can be continual and steady.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of the utility model protection.
Refer to Fig. 1, the structural representation of the battery modules that Fig. 1 provides for the utility model embodiment.
A kind of battery modules that the utility model embodiment provides, including cell the 1st, battery case 2 and heat-conducting layer.
Wherein, cell 1 has at least one；It is relative that battery case 2 is provided with least one set in having cavity and cavity
Wall, the relative wall of least one set is symmetrically provided with locating slot, two relative locating slots can respectively with at least
Two lateral engagement on the length direction of one cell 1 or width are to fix at least one cell 1；Heat conduction
Layer is made up of phase-change material, is filled in the gap between cell and described cavity inner wall and/or between neighboring unit cell
In.
Compared with prior art, the utility model embodiment provide battery modules, cell 1 with one of which phase
To wall on locating slot coordinate and be fixed in battery case 2 after, between other walls in itself and battery case 2, when monomer electricity
When pond 1 has multiple, between adjacent two cells 1, all can there is a gap, be possible not only to accommodate heat-conducting layer, make heat-conducting layer straight
Connect and contact with cell 1, it is ensured that good radiating effect, and heat-conducting layer can be formed to be effectively protected and prop up by these gaps
Support, it is to avoid heat-conducting layer suffers damage when battery modules is run, extends its service life, thus can be continual and steady
To good thermolysis.
In order to be supported battery modules and protect, in the utility model embodiment, referring to Fig. 2, Fig. 2 is this reality
With the structural representation of lower box in the battery modules of new embodiment offer, battery case 2 includes lower box 21 and top cover 22,
Lower box 21 is surrounded by base plate and four side plates facing each other, and the inwall of the relative side plate of one of which is symmetrically arranged
Having locating slot, top cover 22 is for surrounding each gap with lower box 21 fitted seal.Four side plates of this dependence surround on base plate
The lower box 21 of atrium, simple in construction, it is simple to make.
Further, the distance between the inwall of the one group of relative sidewall being provided with locating slot can be equal to cell
The length of 1, it is also possible to being equal to the width of cell 1, in the utility model embodiment, one group that is provided with locating slot relative
Sidewall inwall between distance be equal to the length of cell 1, so, the contact surface of cell 1 and heat-conducting layer
Long-pending bigger, radiating effect is more preferable.
Above-mentioned battery case 2 structure is a kind of preferred embodiment that the utility model provides, and it can also use it
His structure, such as, in the contact of above-mentioned lower box 21, can arrange many in the atrium that base plate and four side plates surround
The individual dividing plate intersecting in length and breadth, as long as being capable of the support to battery modules and protecting, can according to the actual requirements depending on, this
In just no longer illustrate one by one.
Would generally have plural cell 1 in battery modules, the position relationship between cell 1 will be straight
Connecing the connection having influence between each cell 1, therefore, in the utility model embodiment, referring to Fig. 3, Fig. 3 is this practicality
The structural representation that in the battery modules that new embodiment provides, cell coordinates with lower box, battery modules includes multiple list
Body battery 1, corresponding, the relative side plate of the one of which of lower box 21 is provided with multiple locating slot, multiple monomers
Battery 1 is arranged in lower box 21 abreast, and the gap between adjacent two cells 1 is the first joint filling 4, cell 1 with
Gap between the inwall of another relative side plate of group of lower box 21 is the second joint filling 5.As can be seen here, above-mentioned lower box 21 is not
Only self structure is simple, it is simple to manufacture, and can be by neat for multiple cells 1 arranged in parallel, consequently facilitating cabling, and
Make cabling clear, convenient inspection.
Owing to heat-conducting layer is made up of phase-change material, in the battery modules course of work, may change owing to being heated
Becoming its own shape, such as becoming liquid from solid-state, therefore, the effect of top cover 22 is mainly to the lower box equipped with cell 1
Each gap at the top of 21 blocks, and to prevent heat-conducting layer to run off, affects radiating effect, it is thus well known that, two kinds of differences
Can there is thermal contact resistance in the interface of material, affect the transmission efficiency of heat, in order to solve the problems referred to above, refers to Fig. 4 and Tu
Heat conduction pin sealing cover structure schematic diagram in the top cover of 5, Fig. 4 battery modules providing for the utility model embodiment；Fig. 5 is this
Side seals lid 22a structural representation in the top cover 22 of the battery modules that utility model embodiment provides, top cover 22 includes using
Sealing lid 22b and for blocking the side seals lid 22a of the second joint filling 5 in the heat conduction pin blocking the first joint filling 4, heat conduction pin is close
Capping 22b includes cover plate the 7th, heat conduction pin 6 and the first radiating fin 8, and heat conduction pin 6 and the first radiating fin 8 are divided into cover plate 7
In upper and lower surface, heat conduction pin 6, for inserting in the heat-conducting layer in the first joint filling 4, refers to Fig. 6, and Fig. 6 is that the utility model is implemented
The heat conduction pin of the battery modules that example provides seals the structural representation of lid and lower box assembling, and heat conduction pin seals leading on lid 22b
Hot pin 6 inserts heat-conducting layer, by increasing capacitance it is possible to increase heat conduction pin seals the contact area between lid 22b and heat-conducting layer, improves the conduction effect of heat
Rate, and it is arranged at the first radiating fin 8 that heat conduction pin seals lid 22b opposite side, radiating efficiency can be improved further.
In order to optimize technique scheme further, in the utility model embodiment, four side plates of lower box 21
Being provided with the second radiating fin 3 on outer wall, the second radiating fin 3 both can be structure as a whole with lower box 21, it is also possible to makees
It is that an independent accessory is removably mounted on lower box 21.
Locating slot plays vital effect for the fixing of cell 1, and it is prevented from cell 1 at battery
Module topples over extruding heat-conducting layer when running, in the utility model embodiment, and the relative side of the one of which of lower box 21
Being provided with at least two positioning ribs on the inwall of plate, the inwall of side plate surrounds locating slot with two positioning ribs on it.Above-mentioned
It is made up of the mode of locating slot, simple in construction positioning rib and side plate inwall, it is simple to make, and can play good to cell 1
Good fixation.
If making the bottom of cell 1 directly and the contacts baseplate of lower box 21, cause the bottom of cell 1 and its
He is different with the position radiating efficiency of heat-conducting layer contact, eventually results in cell 1 internal temperature uneven, and impact uses the longevity
Life, therefore, in order to solve above-mentioned technical problem, in the utility model embodiment, locating slot from the opening part of lower box 21 to
Base plate direction extends, and the length of locating slot is less than the height of lower box 21, and so, cell 1 inserts along locating slot
After on earth, also can leave certain space between the bottom of cell 1 and the base plate of lower box 21, can fill out in this space
Fill heat-conducting layer, so that cell 1 Homogeneouslly-radiating, extend its service life.
For further technique scheme, in the utility model embodiment, the inwall of the base plate of lower box 21 sets
Be equipped with the heating column less than edge under locating slot for the height, under above-mentioned locating slot along for locating slot near lower box 21 base plate
Edge, so, heating column can not only increase the contact area being filled in the heat-conducting layer bottom lower box 21 and base plate, to improve
Radiating efficiency, additionally it is possible to play the effect of skeleton, supports the heat-conducting layer bottom lower box 21, extends its service life.
In order to further strengthen the radiating effect of battery modules, in the utility model embodiment, battery modules is also wrapped
Including temperature-controlling component, temperature-controlling component includes controller, temperature sensor and heat sink；Temperature sensor and the signal of controller
Input is connected, for detecting battery modules or the temperature of cell 1；The signal output part of controller and heat sink phase
Even；Heat sink is arranged at outside battery modules.So, when the temperature in battery modules is too high, when exceeding value set in advance,
Controller starts heat sink and accelerates heat radiation, on the basis of the heat-conducting layer heat radiation being made up of phase-change material, enters battery modules
Row secondary dispels the heat, and improves the radiating efficiency of battery modules, it is ensured that the normal work of battery modules.
Preferably, in the utility model embodiment, heat sink includes fan.
In this specification, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment, identical similar portion sees mutually.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses this practicality new
Type.Multiple modifications to these embodiments will be apparent from for those skilled in the art, is determined herein
The General Principle of justice can realize in the case of without departing from spirit or scope of the present utility model in other embodiments.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The wide scope consistent with features of novelty.
Claims (10)
1. a battery modules, it is characterised in that include:
Cell (1)；
There is the battery case (2) of cavity, in described cavity, be provided with the relative wall of least one set, and the institute that least one set is relative
State and on wall, be symmetrically provided with locating slot, the length that two relative described locating slots can respectively with described cell (1)
Two lateral engagement on degree direction or width are with fixing described cell (1)；
The heat-conducting layer being made up of phase-change material, is filled between described cell (1) and described cavity inner wall and/or adjacent institute
State in the gap between cell (1).
2. battery modules according to claim 1, it is characterised in that described battery case (2) include lower box (21) and
Top cover (22), described lower box (21) is surrounded by base plate and four side plates facing each other, the relative described side of one of which
Being symmetrically provided with described locating slot on the inwall of plate, described top cover (22) is for surrounding with described lower box (21) fitted seal
Described each gap.
3. battery modules according to claim 2, it is characterised in that described battery modules includes multiple cell (1),
Corresponding, the relative described side plate of the one of which of described lower box (21) is provided with multiple described locating slot, many
Individual described cell (1) is arranged in described lower box (21) abreast, and the gap between cell (1) described in adjacent two
It is the first joint filling (4), between the inwall of described cell (1) the described side plate relative with another group of described lower box (21)
Gap is the second joint filling (5).
4. battery modules according to claim 3, it is characterised in that described top cover (22) includes for blocking described first
The heat conduction pin of joint filling (4) seals lid (22b) and is used for blocking the side seals lid (22a) of described second joint filling (5), described leads
Hot pin seals lid (22b) and includes cover plate (7), heat conduction pin (6) and the first radiating fin (8), described heat conduction pin (6) and described
First radiating fin (8) is divided into the upper and lower surface of described cover plate (7), and described heat conduction pin (6) is used for inserting described first joint filling
(4) in the described heat-conducting layer in.
5. battery modules according to claim 2, it is characterised in that outside four described side plates of described lower box (21)
It is provided with the second radiating fin (3) on wall.
6. battery modules according to claim 2, it is characterised in that the relative institute of the one of which of described lower box (21)
Stating and being provided with at least two positioning ribs on the inwall of side plate, the inwall of described side plate surrounds with on it two described positioning ribs
Described locating slot.
7. the battery modules according to any one of claim 2-6, it is characterised in that described locating slot is from described lower box
(21) opening part extends to described base plate direction, and the length of described locating slot is less than the height of described lower box (21).
8. battery modules according to claim 7, it is characterised in that arrange on the inwall of the base plate of described lower box (21)
There is the heating column less than edge under described locating slot for the height.
9. the battery modules according to any one of claim 1-6, it is characterised in that also include temperature-controlling component, described temperature control
Assembly includes controller, temperature sensor and heat sink；Described temperature sensor and the signal input part of described controller
It is connected, be used for the temperature detecting described battery modules or described cell (1)；The signal output part of described controller and institute
State heat sink to be connected；Described heat sink is arranged at outside described battery modules.
10. battery modules according to claim 9, it is characterised in that described heat sink is fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620538471.2U CN205680712U (en) | 2016-06-03 | 2016-06-03 | A kind of battery modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620538471.2U CN205680712U (en) | 2016-06-03 | 2016-06-03 | A kind of battery modules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205680712U true CN205680712U (en) | 2016-11-09 |
Family
ID=57434346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620538471.2U Expired - Fee Related CN205680712U (en) | 2016-06-03 | 2016-06-03 | A kind of battery modules |
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| Country | Link |
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| CN (1) | CN205680712U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105870539A (en) * | 2016-06-03 | 2016-08-17 | 广东工业大学 | Battery module |
| CN106711553A (en) * | 2017-02-24 | 2017-05-24 | 华霆（合肥）动力技术有限公司 | Battery module and battery module heat management system |
| CN106784473A (en) * | 2016-12-22 | 2017-05-31 | 泰州久诺杰电子科技有限公司 | A kind of accurate battery pack heat-dissipating casing |
| CN110061278A (en) * | 2018-01-18 | 2019-07-26 | 郑州宇通客车股份有限公司 | Vehicle and its fuel cell, fuel cell package casing |
| CN110224090A (en) * | 2019-04-24 | 2019-09-10 | 合肥国轩高科动力能源有限公司 | Heat conduction type square battery pack |
-
2016
- 2016-06-03 CN CN201620538471.2U patent/CN205680712U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105870539A (en) * | 2016-06-03 | 2016-08-17 | 广东工业大学 | Battery module |
| CN106784473A (en) * | 2016-12-22 | 2017-05-31 | 泰州久诺杰电子科技有限公司 | A kind of accurate battery pack heat-dissipating casing |
| CN106711553A (en) * | 2017-02-24 | 2017-05-24 | 华霆（合肥）动力技术有限公司 | Battery module and battery module heat management system |
| CN110061278A (en) * | 2018-01-18 | 2019-07-26 | 郑州宇通客车股份有限公司 | Vehicle and its fuel cell, fuel cell package casing |
| CN110061278B (en) * | 2018-01-18 | 2024-08-02 | 宇通客车股份有限公司 | Vehicle and fuel cell packaging shell thereof |
| CN110224090A (en) * | 2019-04-24 | 2019-09-10 | 合肥国轩高科动力能源有限公司 | Heat conduction type square battery pack |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20161109 Termination date: 20170603 |