CN208862064U - Battery pack structure - Google Patents

Battery pack structure Download PDF

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Publication number
CN208862064U
CN208862064U CN201821706505.XU CN201821706505U CN208862064U CN 208862064 U CN208862064 U CN 208862064U CN 201821706505 U CN201821706505 U CN 201821706505U CN 208862064 U CN208862064 U CN 208862064U
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China
Prior art keywords
heat
liquid cooling
lid
battery modules
pipe
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Active
Application number
CN201821706505.XU
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Chinese (zh)
Inventor
李聪利
李海军
蔡惠群
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Yinlong New Energy Co Ltd
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Yinlong New Energy Co Ltd
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Priority to CN201821706505.XU priority Critical patent/CN208862064U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The utility model discloses a kind of battery pack structures, including shell and it is arranged in the intracorporal battery modules of the shell, the enclosure interior is provided with conductive structure, the conductive structure is used to export the heat that the battery modules generate, the hull outside is provided with liquid cooling pipe, heat derived from the conductive structure is transferred in the liquid cooling pipe by the shell, and the cooling medium by circulating in the liquid cooling pipe takes away heat.Battery pack structure provided by the utility model, the heat that conductive structure is used to export battery modules generation is set in shell, and liquid cooling pipe is set in hull outside, heat is transferred on cooling liquid tube by conductive structure by shell, and the coolant liquid by circulating in liquid cooling pipe takes away heat, keeps the heat dissipation effect of battery pack more preferable.Also, liquid cooling pipe and battery modules are separately positioned on shell outwardly and inwardly, battery modules and liquid cooling pipe is isolated in shell, and liquid cooling pipe leakage is avoided to damage battery modules.

Description

Battery pack structure
Technical field
The utility model relates to battery correlative technology field, especially a kind of battery pack structure.
Background technique
Existing battery pack generallys use air-cooled or liquid cooling pipe is placed on liquid cooling inside battery case and is set between battery The mode for setting heat pipe cools down battery, prevents battery charge and discharge process medium temperature from spending height.
But that there are air-cooling efficiencies is low, installation liquid cooling pipe complex process in battery case, deposits for the cooling structure of above-mentioned battery pack Lead to battery pack safety reduction in cooling liquid tube rupture, is unfavorable for improving the performance of battery.
Utility model content
In view of this, one of the purpose of this utility model is to provide a kind of electricity that can be improved heat dissipation performance and security performance Pond pack arrangement.
The utility model provides a kind of battery pack structure, including shell and setting in the intracorporal battery modules of the shell, institute It states enclosure interior and is provided with heat-absorbing structure, the conductive structure is used to absorb the heat that the battery modules generate,
The hull outside is provided with liquid cooling pipe, and the heat that the conductive structure absorbs is transferred to described by the shell In liquid cooling pipe, and the cooling medium by circulating in the liquid cooling pipe takes away heat.
Preferably, the shell includes cabinet and lid, and the conductive structure includes:
The first heat conducting pipe on the cabinet wall is set, and/or, the second heat conducting pipe on the lid is set.
Preferably, first heat conducting pipe is embedded into the cabinet, and/or, second heat conducting pipe is embedded into described In lid.
Preferably, the liquid cooling pipe is arranged on the cabinet and/or lid.
Preferably, the conductive structure further include:
First heat-conducting plate, first heat-conducting plate are contacted with the battery modules and first heat conducting pipe, and described first In the heat transfer that heat-conducting plate generates the battery modules to first heat conducting pipe;And/or
Second heat-conducting plate, second heat-conducting plate are contacted with the battery modules and second heat conducting pipe, and described second In the heat transfer that heat-conducting plate generates the battery modules to second heat conducting pipe.
Preferably, first heat-conducting plate and/or second conducting plate structure are that can be bonded with the battery modules Plate structure.
Preferably, the both ends of first heat conducting pipe are contacted with the lid, and the heat that first heat conducting pipe absorbs passes It is handed on the lid.
Preferably, the liquid cooling pipe is arranged on the lid, inhales first heat conducting pipe and second heat conducting pipe The heat of receipts is transferred in the liquid cooling pipe by the lid.
Preferably, the liquid cooling pipe is embedded into the lid portion inside.
Preferably, cooling fin is provided on the lid.
Conductive structure is arranged in shell and is used to absorb battery modules generation for battery pack structure provided by the utility model Heat, and liquid cooling pipe is set in hull outside, heat is transferred in liquid cooling pipe by conductive structure by shell, and passes through liquid cooling pipe The coolant liquid of interior circulation takes away heat, keeps the heat dissipation effect of battery pack more preferable.Also, liquid cooling pipe is set respectively with battery modules Setting can avoid liquid cooling pipe leakage from causing to damage to battery modules outwardly and inwardly, can isolate battery modules and liquid cooling pipe It is bad.
Detailed description of the invention
By referring to the drawings to the description of the utility model embodiment, the above-mentioned and other mesh of the utility model , feature and advantage will be apparent from, in the accompanying drawings:
Fig. 1 shows the configuration schematic diagram of battery pack structure provided by the utility model;
Fig. 2 shows the liquid cooling pipe distribution schematic diagrams on cover body structure;
The distribution schematic diagram that Fig. 3,4 show the second heat conducting pipe on lid.
Specific embodiment
The utility model is described below based on embodiment, but the utility model is not restricted to these implementations Example.It should be understood by one skilled in the art that attached drawing is provided to the purpose of explanation provided herein, and attached drawing is not necessarily It is drawn to scale.
Unless the context clearly requires otherwise, "include", "comprise" otherwise throughout the specification and claims etc. are similar Word should be construed as the meaning for including rather than exclusive or exhaustive meaning;That is, be " including but not limited to " contains Justice.
In the description of the present invention, it should be understood that term " first ", " second " etc. are used for description purposes only, It is not understood to indicate or imply relative importance.In addition, in the description of the present invention, unless otherwise indicated, it is " more It is a " it is meant that two or more.
The utility model provides a kind of battery pack structure, as shown in Figure 1, including cabinet 1, lid 2 and battery modules 3, institute The shell for forming the battery pack in the lid conjunction to the cabinet 1 of lid 2 is stated, forms accommodation space, the battery in the shell Mould group 3 is arranged in the accommodation space.Anode interface 12, cathode interface 13, communication interface 14 are provided on 1 on the cabinet With explosion-proof valve 15, the anode interface 12 and the cathode interface 13 are connect with the anode and cathode of the battery modules 3 respectively, The explosion-proof valve 15 is used for quick pressure releasing, prevents 1 internal pressure of cabinet is excessively high from exploding.It is also set up in the cabinet 1 There is the control module 31 being connected with the battery modules 3, the control module 31 is used to control the battery modules 3, Such as the charge/discharge speed of the battery modules 3 is controlled, the communication interface 14 is connected with the control module 31, makes Obtaining the control module 31 can be connected with external control component, to realize the control to the battery modules 3.
The enclosure interior is provided with conductive structure, and the conductive structure is used to export the heat that the battery modules 3 generate Amount.The conductive structure includes the first heat conducting pipe 11 being arranged in the cabinet 1, and first heat conducting pipe 11 is for absorbing institute State the heat generated in 3 charge and discharge process of battery modules, first heat conducting pipe 11 is provided with multiple, and multiple described first is thermally conductive Pipe 11 is contacted with the battery modules 3, it is preferable that first heat conducting pipe 11 is embedded into the inside of the cabinet 1.Alternatively, institute Stating conductive structure further includes the first heat-conducting plate 41 being arranged between first heat conducting pipe 11 and the battery modules 3, described First heat conducting pipe 41 is contacted with the battery modules 3 and first heat conducting pipe 11, will be described by first heat-conducting plate 41 To first heat conducting pipe 11, first heat-conducting plate 41 connects the heat transfer that battery modules 3 generate with the battery modules 3 Contacting surface product is bigger, to guarantee the heat that more uniform described 3 each section of battery modules of absorption generates.Preferably, institute Stating the first heat-conducting plate 41 is the preferable material of heating conduction, for example, first heat-conducting plate 41 can be high-termal conductivity and insulation Phase-change material, can specifically select covert composite material of paraffin composite material, graphite etc., the preferably covert composite wood of graphite Material.Further, the construction of first heat-conducting plate 41 is the plate structure being adapted to the surface shape of the battery modules 3, First heat-conducting plate 41 is fitted in the battery modules 3, in the present embodiment, 41 structure of the first heat-conducting plate It makes as slab construction, is fitted on the bottom wall of the battery modules 3, in other embodiments, first heat-conducting plate 41 may be used also It is contacted simultaneously with the bottom wall of the battery modules 3 and side wall, to increase endotherm area.
The lid of lid 2 is closed onto the cabinet 1, and the cabinet 1 and the lid 2 contact, and the cabinet 1 is preferably It is made of the preferable material of heating conduction, the cabinet 1 is preferably metal material, for example, aluminum alloy material.The lid 2 with The cabinet 1 contacts the heat that first heat conducting pipe 11 is absorbed and is transferred to the lid 2 by the cabinet 1 On, alternatively, extending at the both ends of first heat conducting pipe 11 on the face contacted with the lid 2, make first heat conducting pipe 11 heats absorbed can be more easily transmitted on the lid 2.
The lid 2 is made of the preferable material of heating conduction, and the lid 2 is preferably metal material, such as can be Aluminum alloy material, the hull outside are provided with liquid cooling pipe, and as shown in Figure 1, 2, the liquid cooling pipe 21 is arranged in the lid 2 On, the liquid cooling pipe 21 includes arrival end 211 and outlet end 212, the arrival end 211 and the outlet end 212 and coolant liquid Circulation line connection, enables coolant liquid to circulate in the liquid cooling pipe 21, to take away heat.The liquid cooling pipe 21 is arranged On the lid 2 far from the cabinet 1 face on, i.e., the described liquid cooling pipe 21 be located at the lid 2 and the cabinet 1 composition The outside of accommodating chamber, to guarantee to cause to damage to the battery modules 3 when the failures such as leakage occur for the liquid cooling pipe 21 It is bad.As shown in Fig. 2, the liquid cooling pipe 21 serpentine-like bending setting on the lid 2, to increase it and be set on the lid 2 The length set, it is preferable that the liquid cooling pipe 21 is embedded into the lid 2, to increase the liquid cooling pipe 21 and the lid 2 Contact area.Further, it is provided with fin in the liquid cooling pipe 21, to further increase itself and heat dissipation effect, alternatively, may be used also The structures such as the cooling fin for being capable of increasing heat dissipation area to be arranged on the lid 2, increase the contact surface of the lid 2 and air Product.
As shown in Figure 3,4, the conductive structure further includes that the lid 2 is arranged on the face of the battery modules 3 The second heat conducting pipe 22, i.e., described second heat conducting pipe 22 is located at the interior of the accommodating chamber that the lid 2 and the cabinet 1 are constituted Side, second heat conducting pipe 22 are embedded into described for absorbing the heat that the battery modules 3 distribute, second heat conducting pipe 22 The inside of lid 2.Second heat conducting pipe 22 can be multiple as being set in parallel to each other as shown in Figure 3, and multiple described Two heat conducting pipes 22 are along linear extension, alternatively, second heat conducting pipe 22 can also be as being set as bending or curved as shown in Figure 4 The pipe of folded structure can be L-shaped structure or the structure of other arbitrary shapes.Preferably, as shown in Figure 1, the lid 2 and described The second heat-conducting plate 42, second heat-conducting plate 42 and second heat conducting pipe 22 and the battery are provided between battery modules 3 Mould group 3 contacts, the heat transfer that second heat-conducting plate 42 is used to generate the battery modules 3 to second heat conducting pipe 22, second heat-conducting plate 42 and the contact area of the battery modules 3 are bigger, to guarantee more uniform absorption institute State the heat of 3 each section of battery modules generation.Preferably, second heat-conducting plate 42 is the preferable material of heating conduction, for example, Second heat-conducting plate 42 can be high-termal conductivity and the phase-change material of insulation, can specifically select paraffin composite material, graphite Covert composite material etc., the preferably covert composite material of graphite.Further, the construction of second heat-conducting plate 42 be with it is described The plate structure of the surface shape adaptation of battery modules 3, enables second heat-conducting plate 42 to be fitted in the battery modules 3 On, in the present embodiment, second heat-conducting plate 42 is configured to slab construction, is fitted on the roof of the battery modules 3.
Preferably, it in order to further increase the heat dissipation performance of the battery pack, can also be also provided on the cabinet 1 cold Liquid pipe, and absorb by the liquid cooling pipe on the cabinet 1 heat of first heat conducting pipe 11.
The outside of cabinet is arranged in liquid cooling pipe by battery pack structure provided by the utility model, make itself and battery modules every From to avoid liquid cooling pipe that from damaging to battery modules when the failures such as leakage occur.Also, utilize the thermal conductivity of lid Can, the heat that the first heat conducting pipe and the second heat conducting pipe absorb can be absorbed by the coolant liquid in liquid cooling pipe, reach heat dissipation Effect, improve the heat dissipation effect of battery pack.
Those skilled in the art will readily recognize that above-mentioned each preferred embodiment can be free under the premise of not conflicting Ground combination, superposition.
It should be appreciated that above-mentioned embodiment is merely exemplary, and not restrictive, without departing from the utility model In the case where basic principle, those skilled in the art can be for the various apparent or equivalent modification that above-mentioned details is made Or replacement, it is all included in the scope of the claims of the utility model.

Claims (10)

1. a kind of battery pack structure, which is characterized in that including shell and be arranged in the intracorporal battery modules of the shell, the shell It is internally provided with conductive structure, the conductive structure is used to export the heat that the battery modules generate,
The hull outside is provided with liquid cooling pipe, and heat derived from the conductive structure is transferred to the liquid cooling by the shell Guan Shang, and the cooling medium by circulating in the liquid cooling pipe takes away heat.
2. battery pack structure according to claim 1, which is characterized in that the shell includes cabinet and lid, described to lead Heat structure includes:
The first heat conducting pipe on the cabinet wall is set, and/or, the second heat conducting pipe on the lid is set.
3. battery pack structure according to claim 2, which is characterized in that first heat conducting pipe is embedded into the cabinet It is interior, and/or, second heat conducting pipe is embedded into the lid.
4. battery pack structure according to claim 2, which is characterized in that liquid cooling pipe setting in the cabinet and/or On lid.
5. battery pack structure according to claim 2, which is characterized in that the conductive structure further include:
First heat-conducting plate, first heat-conducting plate are contacted with the battery modules and first heat conducting pipe, and described first is thermally conductive In the heat transfer that plate generates the battery modules to first heat conducting pipe;And/or
Second heat-conducting plate, second heat-conducting plate are contacted with the battery modules and second heat conducting pipe, and described second is thermally conductive In the heat transfer that plate generates the battery modules to second heat conducting pipe.
6. battery pack structure according to claim 5, which is characterized in that first heat-conducting plate and/or described second lead Hot plate is configured to the plate structure being bonded with the battery modules.
7. battery pack structure according to claim 2, which is characterized in that the both ends of first heat conducting pipe and the lid It contacts, in the heat transfer to the lid that first heat conducting pipe absorbs.
8. battery pack structure according to claim 7, which is characterized in that the liquid cooling pipe is arranged on the lid, makes The heat that first heat conducting pipe and second heat conducting pipe absorb is transferred in the liquid cooling pipe by the lid.
9. battery pack structure according to claim 8, which is characterized in that the liquid cooling pipe is embedded into the lid portion inside.
10. the battery pack structure according to one of claim 2-9, which is characterized in that be provided with cooling fin on the lid.
CN201821706505.XU 2018-10-19 2018-10-19 Battery pack structure Active CN208862064U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821706505.XU CN208862064U (en) 2018-10-19 2018-10-19 Battery pack structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821706505.XU CN208862064U (en) 2018-10-19 2018-10-19 Battery pack structure

Publications (1)

Publication Number Publication Date
CN208862064U true CN208862064U (en) 2019-05-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821706505.XU Active CN208862064U (en) 2018-10-19 2018-10-19 Battery pack structure

Country Status (1)

Country Link
CN (1) CN208862064U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI750543B (en) * 2019-11-21 2021-12-21 國家中山科學研究院 Battery module cooling cover
CN117387401A (en) * 2023-12-13 2024-01-12 山东光大机械制造有限公司 Heat exchanger and engine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI750543B (en) * 2019-11-21 2021-12-21 國家中山科學研究院 Battery module cooling cover
CN117387401A (en) * 2023-12-13 2024-01-12 山东光大机械制造有限公司 Heat exchanger and engine
CN117387401B (en) * 2023-12-13 2024-03-08 山东光大机械制造有限公司 Heat exchanger and engine

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