CN206893747U - A kind of controllable battery management system of high security - Google Patents

A kind of controllable battery management system of high security Download PDF

Info

Publication number
CN206893747U
CN206893747U CN201720732450.9U CN201720732450U CN206893747U CN 206893747 U CN206893747 U CN 206893747U CN 201720732450 U CN201720732450 U CN 201720732450U CN 206893747 U CN206893747 U CN 206893747U
Authority
CN
China
Prior art keywords
battery
cooling
column
fin
heat sink
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.)
Expired - Fee Related
Application number
CN201720732450.9U
Other languages
Chinese (zh)
Inventor
马宇清
朱俊峰
蔡文超
钱明君
何洁
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.)
JIANGSU ANHE ELECTRIC Co Ltd
Original Assignee
JIANGSU ANHE ELECTRIC Co 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 JIANGSU ANHE ELECTRIC Co Ltd filed Critical JIANGSU ANHE ELECTRIC Co Ltd
Priority to CN201720732450.9U priority Critical patent/CN206893747U/en
Application granted granted Critical
Publication of CN206893747U publication Critical patent/CN206893747U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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

  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The utility model provides a kind of controllable battery management system of high security, the utility model improves the utilization rate of battery by battery management system, prevent battery from overcharge and overdischarge occur, extend the service life of battery, monitor the state of battery, battery management system uses hierarchy, it is used for a battery with a battery module controller, the independent monitoring and control of each battery are realized, monitors voltage, the temperature of each battery, and the electric current and leakage current of module;The battery heap manager of the superiors is used to exchange information with central control system, and issues order to the battery set management device in intermediate layer;Overvoltage, temperature, leakage-current alarm and defencive function are realized by battery management system;The utility model further improves the heat dispersion of battery, avoids battery from producing the generation of battery bulging, cracking because of situations such as temperature raises, effectively improves the security of battery.

Description

A kind of controllable battery management system of high security
Technical field
It the utility model is related to battery management system field, and in particular to a kind of controllable battery management system of high security System.
Background technology
Battery is widely used a kind of chemical " power supply " in the world, with voltage is steady, safe and reliable, price is low The advantages that honest and clean, applied widely, abundant raw materials and recycling utilization rate are high, be in the world in all kinds of batteries yield it is maximum, A kind of most wide battery of purposes.Battery is a kind of device that chemical energy is directly translated into electric energy, is designed by rechargeable Battery, by reversible chemical reaction realize recharge, typically refer to lead-acid accumulator, it belongs to secondary cell.Battery During charging, both positive and negative polarity active material occurs electrochemical reaction and is converted into another material, so as to store electric energy, in the process, Because the presence of electrochemical reaction and accumulator internal resistance itself can cause battery to produce heat energy, the temperature of battery can raise, In the life-span gathered the bulging for being easily caused battery, the deformation of battery plastic housing and cracking, have a strong impact on battery of temperature, shorten The usage time of battery, therefore battery must stay certain gap when installation between monomer and monomer, be formed good The passage of good ventilation and heat, makes heat energy caused by battery distribute in time, but in some specific occasions, due to by The restriction in space, it can not ensure that battery is placed by defined spacing.Meanwhile battery also exist few storage energy, short life, The shortcomings that connection in series-parallel is using problem, safety in utilization, difficult battery electric quantity estimation, therefore battery management system arises at the historic moment, but It is that existing battery management system all only has detection battery voltage, temperature, the function of electric current, it is impossible to fully ensure that battery Runnability.
Utility model content
In order to solve problems of the prior art, the utility model provides a kind of controllable cell tube of high security Reason system, there is the characteristics of hierarchical control, safe.
The technical scheme that the utility model solves the above problems is:A kind of controllable battery management system of high security, bag Include battery, central control system, battery heap manager, battery set management device, data acquisition module, battery module controller, Charging system;
Battery management system uses hierarchy, and battery heap manager is located at the superiors, and battery set management device is positioned at centre Layer, quantity G >=1 of battery set management device, and be natural number, a battery set management device has battery module controller, electricity Quantity C >=1 of pond module controller, and be natural number;Each battery module controller has a battery, battery with A data acquisition module is provided between battery module, each battery is electrically connected with charging system by charging circuit, often A relay is equipped with bar charging circuit;Temperature alarming device, temperature control signals lamp, electric leakage alarm device and center are controlled Electrically connected between system processed;Data acquisition module can be gathered including battery tension, electric current, temperature data;Battery module controls Device monitors voltage, temperature, electric current, the leakage current of battery, and corresponding information is passed into battery pile pipe by battery set management device Device is managed, battery module controller carries out information exchange by battery heap manager and central control system;
Battery, including battery case, cover plate, electrode, grid, detachable heat abstractor;
Battery case includes side plate, shrouding, and bottom plate, battery case is hollow housing, and two side plates are located at the left and right sides of bottom plate, Shrouding is located at the front and rear sides of bottom plate, and side plate is equal provided with the distance between multiple cooling baths, two neighboring cooling bath, cooling Slot cross-section assumes a " convex " shape, and cooling bath includes the first groove, the second groove, and the first groove, the second channel section are rectangle, the Two channel section sizes are less than the first channel section size, and the first inside grooves are provided with two the 3rd grooves in a longitudinal direction, Two the 3rd grooves are symmetrical on the second groove;
Shrouding is provided with two thermal columns, and thermal column is cuboid, is divided in thermal column two planes parallel with cover plate Not She You a first boss, two first boss on radiate column symmetry;In thermal column two planes parallel with side plate A first boss is respectively equipped with, two first boss are on the column symmetry that radiates;
Detachable heat abstractor includes fin, cooling fin, cooling device;
Fin includes heat sink body, erecting bed, and heat sink assumes a " convex " shape, and heat sink body includes the first heat sink, second Heat sink, the first heat sink, the second heat sink section are rectangle, and the second heat sink sectional dimension is less than the first heat sink, Second heat sink is provided with two erecting beds, and two erecting beds are symmetrical on the second heat sink;
Cooling fin is cuboid, is full of coolant in cooling fin;
Cooling device includes cooling housing, cooling column, insulated column, and cooling housing includes cell body, installing plate, and cell body is rectangular Shape cavity, installing plate and cell body sealed connection are into a single integrated structure, and installing plate is provided with two square grooves, two square grooves and cover plate A neck is equipped with parallel plane;The cell body plane relative with installing plate is provided with installing zone, isolated area, installing zone Center and plane geometry center superposition, installing zone is rectangle, and isolated area is located at outside installing zone;Installing zone is provided with multiple coolings Hole, Cooling Holes are uniformly distributed into the five-element three in installing zone and arranged, and the distance between adjacent rows Cooling Holes are equal, adjacent two row cooling The distance between hole is equal, and a cooling column is equipped with each Cooling Holes;Cooling column is cylinder, and cooling column one end blocks, The other end does not block, and does not block end and is connected by Cooling Holes with cooling housing, junction sealing, insulated column is the sky of both ends closure Chamber rectangular parallelepiped structure, insulated column are located on four angles of isolated area, and the height of insulated column is H1, and the height of cooling column is H2, H1> H2;Coolant is each filled with cooling housing, cooling column;
Cooling fin is located in the first groove, and a cooling fin is equipped with each first groove;Fin passes through erecting bed Cooperation with the 3rd groove is fixed on battery case, there is a fin by each cooling fin;Cooling device by neck with The cooperation of first boss is fixed on battery case, and a cooling device is equipped with each shrouding;
Cover plate is located at battery case top, and cover plate is tightly connected with battery case, and electrode includes positive electrode, negative electrode, positive electrode It is placed in negative electrode in battery case cavity volume, cover plate is stretched out on positive electrode, the top of negative electrode, and grid is placed in battery case inner volume It is interior.
The length of the cooling fin is equal with the length of the first groove.
The fin, cooling fin, cooling device surface are covered with High temperature resistant heat radiation paint.
One end that the insulated column is not connected with cooling housing is provided with the flexure strip of insulating materials.
The utility model has beneficial effect:
(1) the utility model improves the utilization rate of battery by battery management system, prevents battery from overcharge and mistake occur Electric discharge, extends the service life of battery, monitors the state of battery, battery management system uses hierarchy, with a battery mould Block controller is used for a battery, realizes the independent monitoring and control of each battery, monitors voltage, the temperature of each battery Degree, and the electric current and leakage current of module;The battery heap manager of the superiors is used to exchange information with central control system, and to The battery set management device issue order in intermediate layer;Overvoltage, temperature, leakage-current alarm and protection work(are realized by battery management system Energy.
(2) battery of the present utility model increases battery case by setting thermal column, cooling bath on battery slot shell Area of dissipation;By setting up cooling device, cooling fin outside thermal column, cooling bath, heat is taken away using coolant, further The heat dispersion of battery is improved, avoids battery from producing the generation of battery bulging, cracking because of situations such as temperature raises, Effectively improve the security of battery.
(3) battery of the present utility model outside cooling fin by setting up the fin of good heat conductivity, so as to fast Speed belt walks heat;Pass through the setting of insulated column on battery case so that during multiple battery installations, all left between monomer and monomer Certain gap, the passage of good ventilation and heat is formd, heat energy caused by battery is distributed in time, ensure that storage Battery is pressed defined spacing and placed.
Brief description of the drawings
Fig. 1 is the utility model structure diagram.
Fig. 2 is stereogram when battery installs detachable heat abstractor.
Fig. 3 is stereogram when battery does not install detachable heat abstractor.
Fig. 4 is left view when battery does not install detachable heat abstractor.
Fig. 5 is the enlarged drawing of part A in Fig. 4.
Fig. 6 is refrigerating device of accumulator structural representation (1).
Fig. 7 is refrigerating device of accumulator structural representation (2).
Fig. 8 is refrigerating device of accumulator structural representation (3).
Fig. 9 is battery heat sink structure illustration.
In figure:1- battery cases, 2- cover plates, 3- positive electrodes, 4- negative electrodes, 5- valve openings, 6- side plates, 7- shroudings, 8- bottom plates, 9- Cooling bath, the grooves of 10- first, the grooves of 11- second, the grooves of 12- the 3rd, 13- thermal columns, 14- first boss, 15- fin, 16- heat sink bodies, 17- erecting beds, the heat sinks of 18- first, the heat sinks of 19- second, 20- cooling fins, 22- cooling devices, 23- are cold But housing, 24- cooling columns, 25- insulated columns, 26- cell bodies, 27- installing plates, 28- square grooves, 29- necks, 30- Cooling Holes, 100- Central control system, 101- batteries, 102- battery heap managers, 103- battery set management devices, 104- data acquisition modules, 105- battery module controllers, 106- charging systems, 107- relays, 108- electric leakage alarm devices, 109- temperature alarming devices, 110- temperature control signals lamps.
Embodiment
Below in conjunction with the accompanying drawings and embodiment is further described to the utility model.
A kind of controllable battery management system of high security, including battery, central control system, battery heap manager, Battery set management device, data acquisition module, battery module controller, charging system;
Battery management system uses hierarchy, and battery heap manager is located at the superiors, and battery set management device is positioned at centre Layer, quantity G >=1 of battery set management device, and be natural number, a battery set management device has battery module controller, electricity Quantity C >=1 of pond module controller, and be natural number;Each battery module controller has a battery, battery with A data acquisition module is provided between battery module, each battery is electrically connected with charging system by charging circuit, often A relay is equipped with bar charging circuit;Temperature alarming device, temperature control signals lamp, electric leakage alarm device and center are controlled Electrically connected between system processed;Data acquisition module can gather the data including battery tension, electric current, temperature;Battery mould Block controller monitors voltage, temperature, electric current, the leakage current of battery, and corresponding information is passed into electricity by battery set management device Pond heap manager, battery module controller carry out information exchange by battery heap manager and central control system;
Battery, including battery case, cover plate, electrode, grid, detachable heat abstractor;
Battery case includes side plate, shrouding, and bottom plate, battery case is hollow housing, and two side plates are located at the left and right sides of bottom plate, Shrouding is located at the front and rear sides of bottom plate, and side plate is equal provided with the distance between multiple cooling baths, two neighboring cooling bath, cooling Slot cross-section assumes a " convex " shape, and cooling bath includes the first groove, the second groove, and the first groove, the second channel section are rectangle, the Two channel section sizes are less than the first channel section size, and the first inside grooves are provided with two the 3rd grooves in a longitudinal direction, Two the 3rd grooves are symmetrical on the second groove;
Shrouding is provided with two thermal columns, and thermal column is cuboid, is divided in thermal column two planes parallel with cover plate Not She You a first boss, two first boss on radiate column symmetry;In thermal column two planes parallel with side plate A first boss is respectively equipped with, two first boss are on the column symmetry that radiates;
Detachable heat abstractor includes fin, cooling fin, cooling device;
Fin includes heat sink body, erecting bed, and heat sink assumes a " convex " shape, and heat sink body includes the first heat sink, second Heat sink, the first heat sink, the second heat sink section are rectangle, and the second heat sink sectional dimension is less than the first heat sink, Second heat sink is provided with two erecting beds, and two erecting beds are symmetrical on the second heat sink;
Cooling fin is cuboid, is full of coolant in cooling fin;
Cooling device includes cooling housing, cooling column, insulated column, and cooling housing includes cell body, installing plate, and cell body is rectangular Shape cavity, installing plate and cell body sealed connection are into a single integrated structure, and installing plate is provided with two square grooves, two square grooves and cover plate A neck is equipped with parallel plane;The cell body plane relative with installing plate is provided with installing zone, isolated area, installing zone Center and plane geometry center superposition, installing zone is rectangle, and isolated area is located at outside installing zone;Installing zone is provided with multiple coolings Hole, Cooling Holes are uniformly distributed into the five-element three in installing zone and arranged, and the distance between adjacent rows Cooling Holes are equal, adjacent two row cooling The distance between hole is equal, and a cooling column is equipped with each Cooling Holes;Cooling column is cylinder, and cooling column one end blocks, The other end does not block, and does not block end and is connected by Cooling Holes with cooling housing, junction sealing, insulated column is the sky of both ends closure Chamber rectangular parallelepiped structure, insulated column are located on four angles of isolated area, and the height of insulated column is H1, and the height of cooling column is H2, H1> H2;Coolant is each filled with cooling housing, cooling column;
Cooling fin is located in the first groove, and a cooling fin is equipped with each first groove;Fin passes through erecting bed Cooperation with the 3rd groove is fixed on battery case, there is a fin by each cooling fin;Cooling device by neck with The cooperation of first boss is fixed on battery case, and a cooling device is equipped with each shrouding;
Cover plate is located at battery case top, and cover plate is tightly connected with battery case, and electrode includes positive electrode, negative electrode, positive electrode It is placed in negative electrode in battery case cavity volume, cover plate is stretched out on positive electrode, the top of negative electrode, and grid is placed in battery case inner volume It is interior.
The length of the cooling fin is equal with the length of the first groove.
The fin, cooling fin, cooling device surface are covered with High temperature resistant heat radiation paint.
One end that the insulated column is not connected with cooling housing is provided with the flexure strip of insulating materials.
When a battery temp is higher than setting value, the data acquisition module of the battery leads to temperature signal now Cross battery heap manager and pass to central control system, central control system after analysis, controls the temperature control of battery Signal lamp lights, and now staff is that the battery loads onto detachable heat abstractor;When the battery temp is always above setting Definite value, when duration exceedes setting time, after analysis, control temperature alarming device sends alarm to central control system Sound, staff is reminded to be overhauled;
When in battery charging process, when battery overcharges, be over-pressed, data acquisition module is by corresponding voltage, electricity Stream signal passes to central control system, and central control system after analysis, disconnects the relay on the battery charging circuit Device;
When the voltage of battery is less than setting value, during data acquisition module passes to voltage now, current signal Control system is entreated, central control system after analysis, connects the relay on the battery charging circuit, connects charging circuit It is logical, charged;After battery is full of, voltage now, current signal are passed to center control system by data acquisition module System, center control after analysis, disconnect the relay on the battery charging circuit, stop charging;
When battery leaks electricity, voltage now, current signal are passed to center control system by data acquisition module System, after analysis, control electric leakage alarm device sends alarm to central control system, and now staff is examined for prompting Repair.
Many other changes and remodeling can be made by not departing from spirit and scope of the present utility model.It should be appreciated that this reality Specific embodiment is not limited to new, the scope of the utility model is defined by the following claims.

Claims (5)

1. the controllable battery management system of a kind of high security, it is characterised in that including battery, central control system, battery Heap manager, battery set management device, data acquisition module, battery module controller, charging system;
Battery management system uses hierarchy, and battery heap manager is located at the superiors, and battery set management device is located at intermediate layer, electricity Quantity G >=1 of pond group manager, and be natural number, a battery set management device has battery module controller, battery module Quantity C >=1 of controller, and be natural number;Each battery module controller has a battery, battery and battery mould A data acquisition module is provided between block controller, each battery is electrically connected with charging system by charging circuit, often A relay is equipped with bar charging circuit;Temperature alarming device, temperature control signals lamp, electric leakage alarm device and center are controlled Electrically connected between system processed;Battery module controller carries out information exchange by battery heap manager and central control system.
A kind of 2. controllable battery management system of high security as claimed in claim 1, it is characterised in that the battery, Including battery case, cover plate, electrode, grid, detachable heat abstractor;Battery case includes side plate, shrouding, bottom plate, during battery case is Empty capsid, two side plates are located at the left and right sides of bottom plate, and shrouding is located at the front and rear sides of bottom plate, and side plate is provided with multiple coolings The distance between groove, two neighboring cooling bath is equal, and cooling slot cross-section assumes a " convex " shape, and cooling bath includes the first groove, second recessed Groove, the first groove, the second channel section are rectangle, and the second channel section size is less than the first channel section size, and first Inside grooves are provided with two the 3rd grooves in a longitudinal direction, and two the 3rd grooves are symmetrical on the second groove;Shrouding is provided with Two thermal columns, thermal column are cuboid, and a first boss is respectively equipped with thermal column two planes parallel with cover plate, Two first boss are on the column symmetry that radiates;Be respectively equipped with thermal column two planes parallel with side plate one it is first convex Platform, two first boss are on the column symmetry that radiates;Detachable heat abstractor includes fin, cooling fin, cooling device;Fin Including heat sink body, erecting bed, heat sink assumes a " convex " shape, and heat sink body includes the first heat sink, the second heat sink, the first radiating Plate, the second heat sink section are rectangle, and the second heat sink sectional dimension is less than the first heat sink, and the second heat sink is provided with Two erecting beds, two erecting beds are symmetrical on the second heat sink;Cooling fin is cuboid, is full of coolant in cooling fin;It is cold But device includes cooling housing, cooling column, insulated column, and cooling housing includes cell body, installing plate, and cell body is rectangular cavity, peace Loading board and cell body sealed connection are into a single integrated structure, and installing plate is provided with two square grooves, and two square grooves are parallel with cover plate to put down A neck is equipped with face;The cell body plane relative with installing plate is provided with installing zone, isolated area, and the center of installing zone is with putting down Face geometric center overlaps, and installing zone is rectangle, and isolated area is located at outside installing zone;Installing zone is provided with multiple Cooling Holes, cooling Hole is uniformly distributed into the five-element three in installing zone and arranged, and the distance between adjacent rows Cooling Holes are equal, between adjacent two row Cooling Holes Distance it is equal, a cooling column is equipped with each Cooling Holes;Cooling column is cylinder, and cooling column one end blocks, the other end Do not block, do not block end and be connected by Cooling Holes with cooling housing, junction sealing, insulated column is that the cavity of both ends closure is rectangular Body structure, insulated column are located on four angles of isolated area, and the height of insulated column is H1, and the height of cooling column is H2, H1>H2;It is cold But housing, be each filled with coolant in cooling column;Cooling fin is located in the first groove, and a cooling is equipped with each first groove Piece;Fin is fixed on battery case by the cooperation of erecting bed and the 3rd groove, there is a fin by each cooling fin; Cooling device is fixed on battery case by the cooperation of neck and first boss, and a cooling device is equipped with each shrouding; Cover plate is located at battery case top, and cover plate is tightly connected with battery case, and electrode includes positive electrode, negative electrode, positive electrode and negative electrode It is placed in battery case cavity volume, cover plate is stretched out on positive electrode, the top of negative electrode, and grid is placed in battery case inner volume.
3. the controllable battery management system of high security as claimed in claim 2, it is characterised in that the length of the cooling fin, It is wide, high equal with the length of the first groove.
4. the controllable battery management system of high security as claimed in claim 2, it is characterised in that the fin, cooling Piece, cooling device surface are covered with High temperature resistant heat radiation paint.
5. the controllable battery management system of high security as claimed in claim 2, it is characterised in that the insulated column not with it is cold But the connected one end of housing is provided with the flexure strip of insulating materials.
CN201720732450.9U 2017-06-22 2017-06-22 A kind of controllable battery management system of high security Expired - Fee Related CN206893747U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720732450.9U CN206893747U (en) 2017-06-22 2017-06-22 A kind of controllable battery management system of high security

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720732450.9U CN206893747U (en) 2017-06-22 2017-06-22 A kind of controllable battery management system of high security

Publications (1)

Publication Number Publication Date
CN206893747U true CN206893747U (en) 2018-01-16

Family

ID=61315476

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720732450.9U Expired - Fee Related CN206893747U (en) 2017-06-22 2017-06-22 A kind of controllable battery management system of high security

Country Status (1)

Country Link
CN (1) CN206893747U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110957443A (en) * 2019-12-11 2020-04-03 深圳万慧通自动化有限公司 Monitoring device with forecast battery performance

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110957443A (en) * 2019-12-11 2020-04-03 深圳万慧通自动化有限公司 Monitoring device with forecast battery performance

Similar Documents

Publication Publication Date Title
US10468891B2 (en) Charger for vacuum cleaner and fast charging controlling method thereof
CN102569935B (en) Radiating aluminum plates for flexible package battery pack
CN105932367B (en) A kind of battery energy storage system and method based on manifold type heat management
CN108110371A (en) A kind of power battery module structure
CN207303153U (en) A kind of lithium ion battery heat dissipation damping shell
KR102061292B1 (en) Battery module, battery pack comprising the battery module and vehicle comprising the battery pack
CN109768194A (en) It is a kind of based on phase-change material-fin composite construction lithium ion battery mould group heat management system
US20220153169A1 (en) Heat management safety enhanced vehicle battery pack based on nested lithium ion batteries
CN106159378B (en) Battery module with cooling device
CN206893747U (en) A kind of controllable battery management system of high security
CN208914952U (en) A kind of lithium battery insertion mechanism for four-wheel driven electric vehicle
CN207834515U (en) A kind of power battery module structure
CN102569936B (en) Flexible packaging battery module
CN109193067A (en) A kind of composite phase-change material radiator of lithium ion battery
CN202564501U (en) Radiating aluminum plate for flexible package battery bank
US20180241028A1 (en) Lithium ion battery system having temperature control function
CN109301116A (en) A kind of power battery module with plug coldplate
CN208723043U (en) A kind of composite phase-change material radiator of lithium ion battery
CN206893764U (en) A kind of battery of high security
CN107834129B (en) Combined battery liquid cooling package
CN202034446U (en) Annular lithium ion battery
CN109461990A (en) A kind of battery truck battery temperature regulating device
CN213636101U (en) Liquid cooling heat dissipation structure for battery core
CN211088427U (en) High-density graphene lithium battery
CN210296573U (en) Power battery system and vehicle

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180116

Termination date: 20210622

CF01 Termination of patent right due to non-payment of annual fee