CN220796917U - Lithium battery pack with cooling mechanism - Google Patents
Lithium battery pack with cooling mechanism Download PDFInfo
- Publication number
- CN220796917U CN220796917U CN202322383383.2U CN202322383383U CN220796917U CN 220796917 U CN220796917 U CN 220796917U CN 202322383383 U CN202322383383 U CN 202322383383U CN 220796917 U CN220796917 U CN 220796917U
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- China
- Prior art keywords
- cooling
- battery pack
- lithium battery
- plate
- lithium
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000001816 cooling Methods 0.000 title claims abstract description 83
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 64
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 230000017525 heat dissipation Effects 0.000 claims abstract description 14
- 230000000712 assembly Effects 0.000 claims abstract description 6
- 238000000429 assembly Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- 239000000741 silica gel Substances 0.000 claims description 10
- 229910002027 silica gel Inorganic materials 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000007599 discharging Methods 0.000 abstract description 2
- 239000000498 cooling water Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 241001233242 Lontra Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- 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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- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model belongs to the technical field of lithium batteries, and particularly relates to a lithium battery pack with a cooling mechanism, which comprises a battery pack, a battery core module, a clamping fixing assembly, two first cooling assemblies and two second cooling assemblies, wherein the battery core module comprises a bottom plate, a top plate and a plurality of lithium battery cores, the bottom plate is fixedly arranged on the inner wall of the bottom of the battery pack, the lithium battery cores are detachably and fixedly arranged on the bottom plate, the top plate is welded at the top ends of the lithium battery cores, and the clamping fixing assembly is arranged in the battery pack. The lithium battery pack cooling device is reasonable in design, the battery cell module can be fixed through the clamping fixing assembly, meanwhile, the battery cell module is convenient to detach, the cooling assembly II can be used for cooling the lithium battery cell and discharging heat generated by the cooling assembly II out of the battery pack, and meanwhile, auxiliary heat dissipation can be provided under the action of the cooling assembly I when the heat dissipation of the cooling assembly II is insufficient to meet the heat dissipation requirement, so that stable operation of the lithium battery cell can be ensured.
Description
Technical Field
The utility model relates to the technical field of lithium batteries, in particular to a lithium battery pack with a cooling mechanism.
Background
The utility model provides a lithium battery pack with a cooling mechanism, which is characterized in that a lithium battery is a primary battery which uses lithium metal or lithium alloy as a negative electrode material and uses nonaqueous electrolyte solution, and is different from a rechargeable battery lithium ion battery and a lithium ion polymer battery, a plurality of lithium battery cells are installed in the battery pack in use, but the lithium battery cells can generate certain heat in the working process, the heat generated by the lithium battery cells is converged in the battery pack, if the heat cannot be cooled in time, the normal use of the lithium battery cells can be influenced, fire and other phenomena can easily occur in severe cases, and the lithium battery cells in the lithium battery pack are prevented from being overheated.
The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.
Disclosure of Invention
The utility model aims to solve the defects of the prior art and provides a lithium battery pack with a cooling mechanism.
The technical aim of the utility model is realized by the following technical scheme: a lithium battery pack with a cooling mechanism comprises a battery pack, a battery core module, a clamping fixing assembly, two first cooling assemblies and two second cooling assemblies;
the battery cell module comprises a bottom plate, a top plate and a plurality of lithium battery cells, wherein the bottom plate is fixedly arranged on the inner wall of the bottom of the battery pack, the lithium battery cells are detachably and fixedly arranged on the bottom plate, the top plate is welded on the top ends of the lithium battery cells, the clamping fixing assembly is arranged in the battery pack, the clamping fixing assembly is matched with the top plate, heat dissipation openings are formed in the inner walls of the two sides of the battery pack, the first cooling assembly is respectively arranged in the corresponding mounting openings, the second cooling assembly is arranged on the battery pack, the second cooling assembly is matched with the battery cell module, the top cover is fixedly arranged on the top side of the battery pack, and a plurality of air inlets are formed in the top cover.
Preferably, the first cooling component comprises a cooling fan, a fixing strip, a screen plate and a temperature control switch, wherein the fixing strip is fixedly arranged in the cooling opening, the cooling fan is fixedly arranged on the fixing strip, the temperature control switch is fixedly arranged on the inner walls of the two sides of the battery pack, the temperature control switch is electrically connected with the cooling fan, and the screen plate is fixedly arranged in the cooling opening.
Preferably, a plurality of dwang is installed in the rotation on the front and back both sides inner wall of thermovent, and a plurality of dwang are mutual parallel arrangement and lie in same vertical plane, equal fixed mounting has the strip shaped plate on a plurality of dwang, and adjacent two strip shaped plate movable seal contact, the front and back both sides of strip shaped plate all with thermovent's inner wall seal sliding contact.
Preferably, the installation groove is formed in the front side of the uppermost strip-shaped plate, the same torsion spring is fixedly installed between the inner wall of the installation groove and the inner wall of the front side of the heat dissipation opening, and the torsion spring is movably sleeved on the outer side of the uppermost rotating rod.
Preferably, the cooling assembly comprises a radiating water tank, a circulating pump, a plurality of cooling pipes, two connecting pipes and a radiating plate, the radiating water tank is fixedly installed on the front side of the battery pack, the radiating plate is fixedly installed on the inner wall of the front side of the radiating water tank in a sealing mode, the front side of the radiating plate extends out of the radiating water tank, the cooling pipes are fixedly installed on the battery pack and are arranged in parallel, two ends of the cooling pipes extend to the front side of the battery pack and are fixedly installed with the two connecting pipes, the circulating pump is fixedly installed at the top of the radiating water tank, the water inlet of the circulating pump is communicated with the connecting pipe above, the connecting pipe below is communicated with the radiating water tank, and the cooling pipes are respectively arranged at positions between two adjacent rows of lithium battery cores.
Preferably, the side that a plurality of lithium batteries are close to each other all fixed mounting has heat conduction silica gel, and a plurality of heat conduction silica gel all contact with the cooling tube that corresponds.
Preferably, the clamping and fixing assembly comprises two screw rods, two pressing plates, two belt wheels, a belt and two hand wheels, guide grooves are formed in the inner walls of the two sides of the battery pack, the pressing plates are slidably mounted in the two guide grooves, the bottom sides of the two pressing plates are abutted to the top plate, the two screw rods are rotatably mounted on the inner wall of the bottom of the battery pack, the two pressing plates are respectively in threaded connection with the corresponding screw rods, the hand wheels are fixedly sleeved on the top ends of the two screw rods, the bottom ends of the two screw rods are respectively and fixedly sleeved on the belt wheels, and the belt wheels are respectively and fixedly sleeved on the bottom ends of the two screw rods.
The beneficial effects of the utility model are as follows: according to the utility model, the battery cell module can be fixed through the clamping fixing assembly, meanwhile, the battery cell module is convenient to detach, the cooling assembly II can be used for cooling the lithium battery cell and discharging heat generated by the cooling assembly II out of the battery pack, and meanwhile, under the action of the cooling assembly I, auxiliary heat dissipation can be provided when the heat dissipation of the cooling assembly II is insufficient to meet the heat dissipation requirement, so that the stable work of the lithium battery cell can be ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of a lithium battery pack with a cooling mechanism according to the present utility model;
fig. 2 is a schematic cross-sectional view of a lithium battery pack with a cooling mechanism according to the present utility model;
fig. 3 is a schematic structural diagram of a portion a of a lithium battery pack with a cooling mechanism according to the present utility model;
fig. 4 is a schematic right-view structure of the cooling pipe and the connecting pipe according to the present utility model.
In the figure: 1. a battery pack; 11. a top cover; 2. a lithium cell; 21. a bottom plate; 22. a top plate; 23. thermally conductive silica gel; 3. a screw rod; 31. a pressing plate; 32. a belt wheel; 33. a belt; 4. a heat radiation water tank; 41. a circulation pump; 42. a cooling tube; 43. a connecting pipe; 44. a heat dissipation plate; 5. a heat radiation fan; 51. a temperature control switch; 52. a strip-shaped plate; 53. and (3) a torsion spring.
Detailed Description
The technical scheme of the present utility model will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
Referring to fig. 1-4, a lithium battery pack with a cooling mechanism comprises a battery pack 1 and a battery core module, wherein the battery core module comprises a bottom plate 21, a top plate 22 and a plurality of lithium battery cores 2, the bottom plate 21 is fixedly installed on the inner wall of the bottom of the battery pack 1, the plurality of lithium battery cores 2 are detachably and fixedly installed on the bottom plate 21, the top plate 22 is welded on the top ends of the plurality of lithium battery cores 2, guide grooves are formed in the inner walls of the two sides of the battery pack 1, pressing plates 31 are slidably installed in the two guide grooves, the bottom sides of the two pressing plates 31 are abutted against the top plate 22, two screw rods 3 are rotatably installed on the inner wall of the bottom of the battery pack 1, the two pressing plates 31 are respectively in threaded connection with the corresponding screw rods 3, the top ends of the two screw rods 3 are fixedly sleeved with hand wheels, the bottom ends of the two screw rods 3 are respectively extended to the lower side of the battery pack 1 and respectively fixedly sleeved with belt wheels 32, the same belt 33 is connected to the two belt wheels 32 in a transmission manner, can carry out effectual fixed to the electric core module to can guarantee that lithium cell 2 can not appear not hard up in the in-process of using, the thermovent has all been seted up on the both sides inner wall of battery package 1, fixed mounting has the fixed strip in the thermovent, fixed mounting has cooling fan 5 on the fixed strip, all fixed mounting has temperature detect switch 51 on the both sides inner wall of battery package 1, temperature detect switch 51 and cooling fan 5 electric connection, fixed mounting has the otter board in the thermovent, can control cooling fan 5 outwards discharge the heat that lithium cell 2 produced from the thermovent when the temperature reaches temperature detect switch 51 setting value in battery package 1, the front side fixed mounting of battery package 1 has radiator tank 4, sealed fixed mounting has heating panel 44 on the front side inner wall of radiator tank 4, the front side of heating panel 44 extends outside radiator tank 4, fixed mounting has a plurality of cooling tubes 42 on the battery package 1, the cooling pipes 42 are arranged in parallel, two ends of the cooling pipes 42 extend to the front side of the battery pack 1 and are fixedly provided with two connecting pipes 43, the top of the radiating water tank 4 is fixedly provided with a circulating pump 41, the water inlet of the circulating pump 41 is communicated with the connecting pipe 43 above, the connecting pipe 43 below is communicated with the radiating water tank 4, the cooling pipes 42 are respectively arranged at positions between two adjacent rows of lithium battery cells 2, heat generated by the lithium battery cells 2 in the battery pack 1 can be absorbed and discharged, thereby achieving the purpose of heat dissipation, the mounting groove is formed in the front side of the uppermost strip plate 52, the same torsion spring 53 is fixedly arranged between the inner wall of the mounting groove and the inner wall of the front side of the radiating opening, the torsion spring 53 is movably sleeved on the outer side of the uppermost rotating rod, the condition that the strip plate 52 can still be ensured to realize the closing state of the opening when the radiating fan 5 stops working, the top cover 11 is clamped and fixedly provided with the air inlets on the top cover 11, and the air replacement of the battery pack 1 is convenient to cooperate with the radiating fan.
In this embodiment, a plurality of dwang are installed to rotation on the inner wall of the front and back both sides of thermovent, and a plurality of dwang are mutual parallel arrangement and lie in same vertical plane, equal fixed mounting has strip shaped plate 52 on a plurality of dwang, and adjacent two strip shaped plate 52 movable seal contact, the front and back both sides of strip shaped plate 52 all with thermovent's inner wall seal sliding contact, can control thermovent's switch by oneself according to the operating condition of radiator fan 5.
In this embodiment, the heat-conducting silica gel 23 is fixedly installed on one side of the lithium battery cells 2, which is close to each other, and the heat-conducting silica gel 23 contacts with the corresponding cooling tube 42, so that the heat generated by the lithium battery cells 2 can be rapidly transferred, the heat absorption effect of the cooling tube 42 can be effectively improved, and the heat dissipation efficiency can be improved.
In this embodiment, the heat-conducting silica gel 23 is disposed between adjacent lithium battery cells 2 and connected with the corresponding cooling tube 42, so that the heat transfer of the lithium battery cells 2 can be improved, the usage amount of the heat-conducting silica gel 23 can be reduced, and the air flow around the lithium battery cells 2 can be unaffected.
In this embodiment, the contact portions between the two ends of the top plate 22 and the two pressing plates 31 can ensure that the pressing plates 31 press and fix the top plate 22, and the top plate 22 and the lithium battery cell 2 can be taken out from the battery pack 1 without affecting the slight inclination of the top plate 22.
Working principle: when the lithium battery pack is used, firstly, a power supply is connected, cooling liquid is injected into the cooling water tank 4, a circulating water pump is started, water in the cooling water tank 4 is circularly conveyed through a connecting pipe 43 below, a plurality of cooling pipes 42 and a connecting pipe 43 above under the action of the circulating water pump, heat generated by the lithium battery cell 2 is transferred to the cooling pipe 42 under the action of the heat conducting silica gel 23, the cooling liquid in the cooling pipe 42 absorbs heat and then flows back into the cooling water tank 4 and dissipates heat under the action of the heat dissipating plate 44, cooling of the lithium battery cell 2 can be achieved, when the temperature in the battery pack 1 reaches a set value of the temperature control switch 51, the heat dissipating fan 5 is started, heat accumulated in the battery pack 1 can be discharged from a heat dissipating opening, and when the heat dissipating fan 5 works, the strip plate 52 can be controlled to deflect outwards based on a rotating rod, so that hot air can be normally discharged through the heat dissipating opening.
The lithium battery pack with the cooling mechanism provided by the utility model is described in detail above. The principles and embodiments of the present utility model have been described herein with reference to specific examples, which are intended to be merely illustrative of the methods of the present utility model and their core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
Claims (7)
1. The lithium battery pack with the cooling mechanism is characterized by comprising a battery pack (1), a battery cell module, a clamping fixing assembly, two first cooling assemblies and two second cooling assemblies;
the battery cell module comprises a bottom plate (21), a top plate (22) and a plurality of lithium battery cells (2), wherein the bottom plate (21) is fixedly installed on the inner wall of the bottom of the battery pack (1), the lithium battery cells (2) are detachably and fixedly installed on the bottom plate (21), the top plate (22) is welded on the top ends of the lithium battery cells (2), the clamping fixing assembly is arranged in the battery pack (1), the clamping fixing assembly is matched with the top plate (22), heat dissipation openings are formed in the inner walls of two sides of the battery pack (1), the first cooling assembly is respectively arranged in the corresponding installation openings, the second cooling assembly is arranged on the battery pack (1), the second cooling assembly is matched with the battery cell module, the top cover (11) is fixedly installed on the top side of the battery pack (1) in a clamping mode, and a plurality of air inlets are formed in the top cover (11).
2. A lithium battery pack with a cooling mechanism according to claim 1, wherein: the cooling assembly I comprises a cooling fan (5), fixing strips, a screen plate and a temperature control switch (51), wherein the fixing strips are fixedly arranged in a cooling opening, the cooling fan (5) is fixedly arranged on the fixing strips, the temperature control switch (51) is fixedly arranged on the inner walls of the two sides of the battery pack (1), the temperature control switch (51) is electrically connected with the cooling fan (5), and the screen plate is fixedly arranged in the cooling opening.
3. A lithium battery pack with a cooling mechanism according to claim 1, wherein: a plurality of rotating rods are rotatably arranged on the inner walls of the front side and the rear side of the heat dissipation opening, the rotating rods are arranged in parallel and located in the same vertical plane, strip-shaped plates (52) are fixedly arranged on the rotating rods, two adjacent strip-shaped plates (52) are movably and hermetically contacted, and the front side and the rear side of each strip-shaped plate (52) are in sealed sliding contact with the inner wall of the heat dissipation opening.
4. A lithium battery pack with a cooling mechanism according to claim 3, wherein: the front side of the uppermost strip-shaped plate (52) is provided with a mounting groove, the same torsion spring (53) is fixedly arranged between the inner wall of the mounting groove and the inner wall of the front side of the heat radiation opening, and the torsion spring (53) is movably sleeved on the outer side of the uppermost rotating rod.
5. A lithium battery pack with a cooling mechanism according to claim 1, wherein: the cooling assembly comprises a radiating water tank (4), a circulating pump (41), a plurality of cooling pipes (42), two connecting pipes (43) and a radiating plate (44), wherein the radiating water tank (4) is fixedly installed on the front side of the battery pack (1), the radiating plate (44) is fixedly installed on the inner wall of the front side of the radiating water tank (4), the plurality of cooling pipes (42) are fixedly installed on the battery pack (1) outside the radiating water tank (4), the plurality of cooling pipes (42) are arranged in parallel, two ends of the plurality of cooling pipes (42) extend to the front side of the battery pack (1) and are fixedly installed with the two connecting pipes (43), the circulating pump (41) is fixedly installed at the top of the radiating water tank (4), the water inlet of the circulating pump (41) is communicated with the connecting pipe (43) above, the connecting pipe (43) below is communicated with the radiating water tank (4), and the plurality of cooling pipes (42) are respectively arranged at positions between two adjacent lithium battery cells (2).
6. The lithium battery pack with cooling mechanism according to claim 5, wherein: one side that a plurality of lithium cell (2) are close to each other all fixed mounting has heat conduction silica gel (23), and a plurality of heat conduction silica gel (23) all contact with corresponding cooling tube (42).
7. A lithium battery pack with a cooling mechanism according to claim 1, wherein: the clamping fixing assembly comprises two screw rods (3), two pressing plates (31), two belt wheels (32), a belt (33) and two hand wheels, guide grooves are formed in the inner walls of two sides of the battery pack (1), the pressing plates (31) are slidably mounted in the two guide grooves, the bottom sides of the two pressing plates (31) are abutted to the top plate (22), the two screw rods (3) are rotatably mounted on the inner walls of the bottom of the battery pack (1), the two pressing plates (31) are respectively in threaded connection with the corresponding screw rods (3), the hand wheels are fixedly sleeved on the top ends of the two screw rods (3), the bottom ends of the two screw rods (3) are respectively and fixedly sleeved with the belt wheels (32), and the same belt (33) is connected to the two belt wheels (32) in a transmission mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322383383.2U CN220796917U (en) | 2023-09-04 | 2023-09-04 | Lithium battery pack with cooling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322383383.2U CN220796917U (en) | 2023-09-04 | 2023-09-04 | Lithium battery pack with cooling mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220796917U true CN220796917U (en) | 2024-04-16 |
Family
ID=90630986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322383383.2U Active CN220796917U (en) | 2023-09-04 | 2023-09-04 | Lithium battery pack with cooling mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220796917U (en) |
-
2023
- 2023-09-04 CN CN202322383383.2U patent/CN220796917U/en active Active
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