CN112366390A - Lithium battery connecting heat dissipation guide sheet - Google Patents

Lithium battery connecting heat dissipation guide sheet Download PDF

Info

Publication number
CN112366390A
CN112366390A CN202011251822.9A CN202011251822A CN112366390A CN 112366390 A CN112366390 A CN 112366390A CN 202011251822 A CN202011251822 A CN 202011251822A CN 112366390 A CN112366390 A CN 112366390A
Authority
CN
China
Prior art keywords
heat
heat conduction
communicated
cavity
pipeline
Prior art date
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.)
Granted
Application number
CN202011251822.9A
Other languages
Chinese (zh)
Other versions
CN112366390B (en
Inventor
江船
杨万光
彭前峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Tianjin New Energy Technology Ltd
Original Assignee
Guangdong Tianjin New Energy Technology Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangdong Tianjin New Energy Technology Ltd filed Critical Guangdong Tianjin New Energy Technology Ltd
Publication of CN112366390A publication Critical patent/CN112366390A/en
Application granted granted Critical
Publication of CN112366390B publication Critical patent/CN112366390B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/61Types of temperature control
    • H01M10/613Cooling or keeping cold
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/62Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625Vehicles
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/653Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/655Solid structures for heat exchange or heat conduction
    • H01M10/6554Rods or plates
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/655Solid structures for heat exchange or heat conduction
    • H01M10/6556Solid parts with flow channel passages or pipes for heat exchange
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/656Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6561Gases
    • H01M10/6563Gases with forced flow, e.g. by blowers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/656Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567Liquids
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Secondary Cells (AREA)

Abstract

The invention discloses a lithium battery connection heat dissipation guide sheet, wherein a heat conduction plate body is fixedly sleeved on the outer side of a heat conduction copper bar, a cavity is arranged in the heat conduction plate body, air holes communicated with the cavity are uniformly penetrated through the outer side of the heat conduction plate body, a water cavity is arranged at the bottom of a shell, the top of the water cavity is communicated with the cavity through an air pipe, the outer side of the shell is communicated with a second pipeline through a first pipeline, one side of the second pipeline is communicated with an air inlet of an air suction pump, and the bottom of the water cavity is communicated with a third pipeline. The heat dissipation guide sheet absorbs heat of the battery accommodating groove through the heat conduction metal plate, the heat is transferred to the heat conduction plate body through the heat conduction copper bar, and humidified mist is blown into the cavity through the air pipe, so that moisture in the mist can quickly absorb the heat of the heat conduction plate body, and the heat dissipation effect is improved; the heat dissipation guide piece can actively dissipate heat through the arrangement of the air suction pump, so that the heat dissipation speed is improved.

Description

Lithium battery connecting heat dissipation guide sheet
Technical Field
The invention relates to the technical field of lithium battery pack heat dissipation, in particular to a lithium battery connection heat dissipation guide sheet.
Background
In recent years, with the continuous development and progress of science and technology, the development of electric automobiles has also achieved remarkable achievement. Compared with the traditional mode of transportation, the new energy electric automobile is driven by pure electric power, so that zero emission is realized, and the pollution to the environment is effectively reduced. Therefore, electric vehicles are increasingly favored. Current electric automobile generally all adopts the lithium cell to do electric core, and when electric core during operation, self can generate heat, when the high temperature, can influence the performance and the life-span of lithium cell, probably arouse the spontaneous combustion or the fire of lithium cell even, consequently it is very important to keep the inside temperature of lithium cell box to be fit for electric core operating temperature.
Use the lithium cell on electric automobile at present need make up the use with the multiunit lithium cell, all organize the lithium cell and place and deposit in the lithium cell holding tank, can produce great heat at the during operation of lithium cell group, need in time dispel the heat, and current lithium cell heat dissipation guide fin radiating effect is not good, can not dispel the heat fast, for this reason, proposes a lithium cell and joins the heat dissipation guide fin.
Disclosure of Invention
The present invention provides a lithium battery connection heat dissipation guide plate to solve the problems of poor heat dissipation effect and incapability of fast heat dissipation of the conventional lithium battery heat dissipation guide plate proposed in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a lithium cell interlinks heat dissipation guide vane, includes the heat conduction metal sheet, the welding of one side of heat conduction metal sheet has the casing, the even welding of one side of heat conduction metal sheet has the heat conduction bar copper that inserts in the casing inner chamber, the fixed heat conduction plate body that has cup jointed in the outside of heat conduction bar copper, be equipped with the cavity in the heat conduction plate body, the outside of heat conduction plate body evenly runs through the gas pocket that is linked together with the cavity, the bottom of casing is equipped with the water cavity, the top in water cavity is linked together through trachea and cavity, the outside of casing is linked together through first pipeline and second pipeline, one side of second pipeline is linked together with the air inlet of aspiration pump, the bottom intercommunication in water cavity has the third pipeline.
Preferably, the heat conducting metal plate is fixedly arranged on the outer side of the battery accommodating groove through screws, a water tank is arranged at the bottom of the battery accommodating groove, an air humidifier is arranged on the outer side of the water tank, the water inlet end of the air humidifier is communicated with a fourth pipeline inserted into the water tank, and the water outlet end of the air humidifier is communicated with the third pipeline.
Preferably, the outer side of the water tank is communicated with a water inlet pipe, and a valve is arranged at the pipe orifice of the water inlet pipe.
Preferably, the bottom of the shell is provided with a drain pipe communicated with the water cavity, and a valve is arranged at the pipe orifice of the drain pipe.
Preferably, the number of the heat conduction plate bodies is not less than three, and the heat conduction plate bodies are equidistantly distributed on the outer side of the heat conduction copper rod.
Preferably, one side of the heat-conducting metal plate is uniformly penetrated with an insertion hole, an insertion column is inserted into an inner cavity of the insertion hole, a disc is fixed on one side of the insertion column, a disc accommodating groove communicated with the insertion hole is formed in the other side of the heat-conducting metal plate, and a metal elastic sheet is arranged in the disc accommodating groove.
Compared with the prior art, the invention has the beneficial effects that:
1. the heat dissipation guide sheet absorbs heat of the battery accommodating groove through the heat conduction metal plate, the heat is transferred to the heat conduction plate body through the heat conduction copper bar, and humidified mist is blown into the cavity through the air pipe, so that moisture in the mist can quickly absorb the heat of the heat conduction plate body, and the heat dissipation effect is improved;
2. the heat dissipation guide piece can actively dissipate heat through the arrangement of the air suction pump, so that the heat dissipation speed is improved.
Drawings
FIG. 1 is a schematic cross-sectional front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic diagram of a structure of a heat-conducting metal plate according to the present invention.
In the figure: (1) the heat-conducting metal plate, (2) the shell, (3) the heat-conducting copper rod, (4) the heat-conducting plate body, (5) the cavity, (6) the air hole, (7) the first pipeline, (8) the second pipeline, (9) the air pump, (10) the air pipe, (11) the water cavity, (12) the drain pipe, (13) the third pipeline, (14) the air humidifier, (15) the water tank, (16) the fourth pipeline, (17) the water inlet pipe, (18) the battery accommodating groove, (19) the jack, (20) the inserted column, (21) the disc, (22) the disc accommodating groove, and (23) the metal elastic sheet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a lithium cell interlinkage heat dissipation guide vane, includes heat conduction metal sheet 1, the welding of one side of heat conduction metal sheet 1 has casing 2, the even welding of one side of heat conduction metal sheet 1 has the heat conduction bar copper 3 that inserts in 2 inner chambers of casing, the outside of heat conduction bar copper 3 is fixed to have cup jointed heat conduction plate body 4, be equipped with cavity 5 in the heat conduction plate body 4, the outside of heat conduction plate body 4 evenly runs through the gas pocket 6 that is linked together with cavity 5, the bottom of casing 2 is equipped with water cavity 11, trachea 10 and cavity 5 are linked together through at the top of water cavity 11, the outside of casing 5 is linked together through first pipeline 7 and second pipeline 8, one side of second pipeline 8 is linked together with the air inlet of aspiration pump 9, the bottom intercommunication of water cavity 11 has third pipeline 13.
Specifically, the heat conducting metal plate 1 is fixed to the outer side of the battery accommodating groove 18 through screws, a water tank 15 is arranged at the bottom of the battery accommodating groove 18, an air humidifier 14 is arranged on the outer side of the water tank 15, a water inlet end of the air humidifier 14 is communicated with a fourth pipeline 16 inserted into the water tank 15, and a water outlet end of the air humidifier 14 is communicated with the third pipeline 13.
Wherein the air humidifier 14 is of model MH-168H.
Specifically, the outside of the water tank 15 is communicated with a water inlet pipe 17, a valve is arranged at the pipe orifice of the water inlet pipe 17, and the water inlet pipe 17 is used for filling clear water into the water tank 15.
Specifically, the bottom of the casing 2 is provided with a drain pipe 12 communicated with the water cavity 11, a valve is arranged at the opening of the drain pipe 12, and the drain pipe 12 is used for draining accumulated water in the water cavity 11.
Specifically, the quantity of the heat conduction plate bodies 4 is no less than three, and the heat conduction plate bodies 4 are distributed in the outer side of the heat conduction copper bar 3 at equal intervals, and the heat dissipation speed of the heat can be improved by the heat conduction plate bodies 4.
Specifically, jack 19 has evenly been run through to one side of heat conduction metal sheet 1, the inner chamber of jack 19 has inserted and has inserted post 20, one side of inserting post 20 is fixed with disc 21, the opposite side of heat conduction metal sheet 1 is equipped with the disc holding tank 22 that is linked together with jack 19, be equipped with metal shrapnel 23 in the disc holding tank 22, when heat conduction metal sheet 1 fixes the outside at battery holding tank 18, disc 21 is compressed tightly by metal shrapnel 23 for disc 21 hugs closely on battery holding tank 18, and battery holding tank 18's heat is absorbed the back and is followed to insert post 20 and metal shrapnel 23 and conduct the heat to heat conduction metal sheet 1, can improve the contact compactness of heat conduction metal sheet 1 and battery holding tank 18, improves heat conduction effect.
The working principle is as follows: during the use, place lithium cell group in battery holding tank 18, battery holding tank 18 is made by heat conduction metal material, the heat that the during operation of lithium cell group produced is derived for heat conduction metal sheet 1 through battery holding tank 18, give heat conduction bar copper 3 with heat transmission after the heat of battery holding tank 18 is absorbed by heat conduction metal sheet 1, heat conduction bar copper 3 gives heat conduction plate body 4 with heat transmission, through the water in air humidifier 14 extraction water tank 15 and spout water atomization into water chamber 11, water fog is taken away a large amount of heats from gas pocket 6 outside discharge after getting into in the cavity 5 through trachea 10, thereby dispel the heat fast to heat conduction plate body 4, water fog after the absorption heat is taken out and outwards discharges by aspiration pump 9 after getting into second pipeline 8 in first pipeline 7, prevent that water fog from causing the injury to the lithium cell.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a lithium cell is connected heat dissipation guide plate, includes heat conduction metal sheet (1), its characterized in that: a shell (2) is welded on one side of the heat-conducting metal plate (1), heat-conducting copper bars (3) inserted into the inner cavity of the shell (2) are uniformly welded on one side of the heat-conducting metal plate (1), a heat-conducting plate body (4) is fixedly sleeved on the outer side of the heat-conducting copper bar (3), a cavity (5) is arranged in the heat-conducting plate body (4), air holes (6) communicated with the cavity (5) are uniformly penetrated through the outer side of the heat-conducting plate body (4), the bottom of the shell (2) is provided with a water cavity (11), the top of the water cavity (11) is communicated with the cavity (5) through an air pipe (10), the outer side of the shell (2) is communicated with a second pipeline (8) through a first pipeline (7), one side of the second pipeline (8) is communicated with an air inlet of the air suction pump (9), and the bottom of the water cavity (11) is communicated with a third pipeline (13).
2. The lithium battery connection heat sink fin as claimed in claim 1, wherein: the battery heat-conducting metal plate is characterized in that the heat-conducting metal plate (1) is fixedly arranged on the outer side of the battery accommodating groove (18) through screws, a water tank (15) is arranged at the bottom of the battery accommodating groove (18), an air humidifier (14) is arranged on the outer side of the water tank (15), the water inlet end of the air humidifier (14) is communicated with a fourth pipeline (16) inserted into the water tank (15), and the water outlet end of the air humidifier (14) is communicated with a third pipeline (13).
3. The lithium battery connection heat sink fin as claimed in claim 2, wherein: the outside of water tank (15) communicates has inlet tube (17), and the mouth of pipe department of inlet tube (17) is equipped with the valve.
4. The lithium battery connection heat sink fin as claimed in claim 1, wherein: the bottom of the shell (2) is provided with a drain pipe (12) communicated with the water cavity (11), and a valve is arranged at the pipe orifice of the drain pipe (12).
5. The lithium battery connection heat sink fin as claimed in claim 1, wherein: the number of the heat conduction plate bodies (4) is not less than three, and the heat conduction plate bodies (4) are distributed on the outer side of the heat conduction copper bar (3) in an equal distance mode.
6. The lithium battery connection heat sink fin as claimed in claim 1, wherein: one side of heat conduction metal sheet (1) evenly runs through there is jack (19), the inner chamber of jack (19) has inserted post (20), one side of inserting post (20) is fixed with disc (21), the opposite side of heat conduction metal sheet (1) is equipped with disc holding tank (22) that are linked together with jack (19), be equipped with metal shrapnel (23) in disc holding tank (22).
CN202011251822.9A 2019-12-31 2020-11-10 Lithium battery connecting heat dissipation guide sheet Active CN112366390B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201911424348 2019-12-31
CN2019114243482 2019-12-31

Publications (2)

Publication Number Publication Date
CN112366390A true CN112366390A (en) 2021-02-12
CN112366390B CN112366390B (en) 2023-03-28

Family

ID=74514524

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011251822.9A Active CN112366390B (en) 2019-12-31 2020-11-10 Lithium battery connecting heat dissipation guide sheet

Country Status (1)

Country Link
CN (1) CN112366390B (en)

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2823867Y (en) * 2005-07-12 2006-10-04 朴成杰 Heat conducting plate for heating pipeline
US20070063339A1 (en) * 2005-09-21 2007-03-22 Grand Power Sources Inc. Heat dissipating assembly for heat dissipating substrate and application
CN203707246U (en) * 2013-11-26 2014-07-09 河南超威电源有限公司 Storage battery curing chamber
CN207409570U (en) * 2017-11-27 2018-05-25 福建荣华科技有限公司 Battery modules protective shell and lithium ion battery module
CN207637855U (en) * 2017-10-23 2018-07-20 创谱(长兴)新能源科技有限公司 A kind of electric vehicle lithium battery box efficient radiating apparatus
CN108493511A (en) * 2018-04-10 2018-09-04 安徽奥兹信息科技有限公司 Heat dissipation sleeve pipe structure for automobile batteries
CN109119727A (en) * 2018-10-26 2019-01-01 广东工业大学 A kind of battery temperature control device of vehicle and method
CN208674233U (en) * 2018-10-10 2019-03-29 安徽赛尔新能源科技有限公司 A kind of lithium battery core casing with cooling effect
CN208706820U (en) * 2018-10-11 2019-04-05 深圳市科润恒德电子科技有限公司 A kind of new energy car battery radiator
CN208711673U (en) * 2018-08-10 2019-04-09 滨海明昇化工有限公司 A kind of cooling device prepared
CN110474131A (en) * 2019-09-06 2019-11-19 广东工业大学 A kind of battery thermal management system
CN209823231U (en) * 2019-05-21 2019-12-20 杨时雷 Dampproofing electric power cabinet dispels heat

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2823867Y (en) * 2005-07-12 2006-10-04 朴成杰 Heat conducting plate for heating pipeline
US20070063339A1 (en) * 2005-09-21 2007-03-22 Grand Power Sources Inc. Heat dissipating assembly for heat dissipating substrate and application
CN203707246U (en) * 2013-11-26 2014-07-09 河南超威电源有限公司 Storage battery curing chamber
CN207637855U (en) * 2017-10-23 2018-07-20 创谱(长兴)新能源科技有限公司 A kind of electric vehicle lithium battery box efficient radiating apparatus
CN207409570U (en) * 2017-11-27 2018-05-25 福建荣华科技有限公司 Battery modules protective shell and lithium ion battery module
CN108493511A (en) * 2018-04-10 2018-09-04 安徽奥兹信息科技有限公司 Heat dissipation sleeve pipe structure for automobile batteries
CN208711673U (en) * 2018-08-10 2019-04-09 滨海明昇化工有限公司 A kind of cooling device prepared
CN208674233U (en) * 2018-10-10 2019-03-29 安徽赛尔新能源科技有限公司 A kind of lithium battery core casing with cooling effect
CN208706820U (en) * 2018-10-11 2019-04-05 深圳市科润恒德电子科技有限公司 A kind of new energy car battery radiator
CN109119727A (en) * 2018-10-26 2019-01-01 广东工业大学 A kind of battery temperature control device of vehicle and method
CN209823231U (en) * 2019-05-21 2019-12-20 杨时雷 Dampproofing electric power cabinet dispels heat
CN110474131A (en) * 2019-09-06 2019-11-19 广东工业大学 A kind of battery thermal management system

Also Published As

Publication number Publication date
CN112366390B (en) 2023-03-28

Similar Documents

Publication Publication Date Title
CN205194813U (en) Cooling structure of lithium ion battery module
CN112909411B (en) Lithium cell group for new energy automobile
CN212162021U (en) Heat dissipation type lithium cell
CN112366390B (en) Lithium battery connecting heat dissipation guide sheet
CN212209707U (en) New energy automobile group battery heat radiation structure
CN210082974U (en) Heat dissipation device of charging column
CN218827376U (en) Battery seal box for new energy automobile battery with cooling body
CN203932256U (en) The battery modules that possesses forced heat radiation function
CN214477635U (en) New forms of energy power automobile group battery cooling device
CN211858767U (en) Battery storage box with heat dissipation function
CN104051814A (en) Nickel-hydrogen battery pack box body heat radiating structure of pure-electric bus
CN210805949U (en) Heat management device of automobile power battery
CN216488295U (en) Quick radiating lithium cell
CN211182266U (en) Lithium battery cell that security performance is high
CN207425985U (en) A kind of batteries of electric automobile bag liquid ice chest body
CN214625230U (en) High-temperature-resistant lithium battery
CN221018309U (en) Stamping die for producing lithium battery shell
CN212579647U (en) Efficient direct current new energy automobile fills electric pile heat dissipation mechanism
CN213021128U (en) Waste heat circulating device
CN220914353U (en) Rechargeable alkaline battery
CN219419215U (en) Liquid cooling battery box and power battery pack
CN212517305U (en) Lithium battery shell capable of rapidly dissipating heat
CN220475598U (en) Mining frequency converter with cooling device
CN220254335U (en) Multi-port converter for charging and discharging electric automobile power grid
CN210535743U (en) Handheld energy storage battery pack

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
PP01 Preservation of patent right

Effective date of registration: 20231127

Granted publication date: 20230328

PP01 Preservation of patent right