CN204167432U - A kind of modular battery and include the electric motor car of modular battery - Google Patents
A kind of modular battery and include the electric motor car of modular battery Download PDFInfo
- Publication number
- CN204167432U CN204167432U CN201420464368.9U CN201420464368U CN204167432U CN 204167432 U CN204167432 U CN 204167432U CN 201420464368 U CN201420464368 U CN 201420464368U CN 204167432 U CN204167432 U CN 204167432U
- Authority
- CN
- China
- Prior art keywords
- unit cell
- discharge
- battery unit
- battery
- connect
- 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.)
- Withdrawn - After Issue
Links
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
Landscapes
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The utility model discloses a kind of modular battery, aim to provide a kind of rational in infrastructure, the quick increase and decrease of amount of batteries can be carried out according to demand, strong adaptability, the modular battery of good operating stability.It comprises some battery unit cell, BMS is provided with in shell, battery pack, pcb board, all cell polar ears in battery pack all weld with pcb board, pcb board is electrically connected with BMS, shell is provided with external discharge and recharge mouth in parallel, inside connect discharge and recharge mouth, external discharge and recharge mouth, inside connect discharge and recharge mouth to be all connected with battery pack, shell is provided with line outlet, both positive and negative polarity wire leads to shell by line outlet in shell, line outlet is provided with rubber stopper, connect on a battery unit cell discharge and recharge mouth with on another or several battery unit cell in connect discharge and recharge mouth and be electrically connected.The invention also discloses a kind of electric motor car including modular battery.The beneficial effects of the utility model are: can improve job stability, and the electricity reduced on wire damages; During use, selectivity is better; Bulk strength can be ensured and connect effect etc.
Description
Technical field
The utility model belongs to battery of electric vehicle technical field, particularly relates to a kind of modular battery and includes the electric motor car of modular battery.
Background technology
Existing electric vehicle lithium battery market is day by day ripe, each manufacturer scale also expanding day, and the application of the especially lithium battery of the secondary cell in electric motor car is very extensive.But in production, life, often have multiple different demand for lithium battery, now, the change in voltage of lithium battery, electricity adaptability just seem very important.Moreover, the lithium battery that electric motor car uses, due to space restriction and be in vibrating state, the less stable of its work always, easily there is structural breakage and easily affect useful life because of inner accumulated heat.
Utility model content
The utility model is to overcome the deficiencies in the prior art, provides a kind of rational in infrastructure, can carry out the quick increase and decrease of amount of batteries according to demand, strong adaptability, the modular battery of good operating stability and include the electric motor car of modular battery.
To achieve these goals, the utility model is by the following technical solutions:
A kind of modular battery, comprise some battery unit cell, described battery unit cell comprises shell, described shell comprises left drain pan, right drain pan, BMS is provided with in described shell, battery pack, pcb board, all cell polar ears in battery pack all weld with pcb board, described pcb board is electrically connected with BMS, described shell is provided with external discharge and recharge mouth in parallel, inside connect discharge and recharge mouth, described external discharge and recharge mouth, inside connect discharge and recharge mouth to be all connected with battery pack by both positive and negative polarity wire, described right drain pan is provided with a line outlet, described both positive and negative polarity wire leads to shell by line outlet in shell, described line outlet is provided with the rubber stopper with two holes, both positive and negative polarity wire is drawn respectively from two of rubber stopper holes, connect on a battery unit cell discharge and recharge mouth with on another or several battery unit cell in connect discharge and recharge mouth and be electrically connected.
As preferably, described shell has two places inwardly shrink formation two and dodges protection portion, external discharge and recharge mouth, in connect discharge and recharge mouth and be in one respectively and dodge in protection portion.Can to external discharge and recharge mouth, in connect discharge and recharge mouth and protect, prevent its clashing and breaking, extend its useful life.
As preferably, a battery unit cell is connected by link with between another battery unit cell, described link comprises pipe frame, on described pipe frame, two to the lock pin be slidably connected with pipe frame, point-blank, the two couples lock pin being subordinate to a link is towards the opposite, and lock pin is provided with clinching at the glide direction place of a pair lock pin, described shell is provided with two armful grooves for coordinating with lock pin, and described embracing in groove is provided with the catching groove that can coordinate fastening with clinching.Utilize link can connect battery unit cell, during connection, the press-in of lock pin is embraced in groove, relative lock pin is utilized pin thread, box clamps mutually, just can complete fixing each battery unit cell, and, lock pin can slide, and therefore can adapt to the battery container of various sizes, conformability is good, wide adaptability, bonding strength is also guaranteed.
As preferably, described pipe frame is an annulus line closed, cooling fluid is full of in described pipe frame, heat transfer device is provided with bottom described battery unit cell, described heat transfer device comprises the multiple heat radiation plates inserted in battery unit cell, and the heat-radiating substrate to be affixed with pipe frame, described pipe frame is provided with hot converter, and described hot converter comprises the heat radiation contact plate that is affixed with pipe frame and ventilation fence outwardly.
As preferably, be provided with the water pump for driving liquid circulation to flow in described pipe frame, the power source of described water pump is from battery pack, and described shell is provided with the heat dissipation switch opened and closed for controlling water pump.Here water pump only needs very little power, and object allows cooling fluid flow in pipe frame.The cooling fluid of flowing, can absorb the heat from heat-radiating substrate and other places fast, driven, passed to heat radiation contact plate, ventilation fence, the quick flowing of extraneous air when recycling electric motor car runs, take away these heats, allow the cooling fluid after lowering the temperature continue circulation and go back, fast endothermic, form good heat-radiation loop, fully ensure radiating effect.
As preferably, form a heat conduction card chamber between adjacent heat radiation plate, described battery pack is connected and composed by multiple soft pack cell, and all some snaps in heat conduction card chamber each soft pack cell.Utilize heat conduction card chamber to assist the fixing of soft pack cell, allow the utility model internal structure when moving and shake still can ensure firmly, and utilize the contact of heat radiation plate, directly the heat that main heating source produces is conducted, further improving heat radiation efficiency.
As preferably; the described pipe frame side of being ring-type; described pipe frame is provided with protection box; connect discharge and recharge mouth on battery unit cell and be in himself sidepiece; all battery unit cell are arranged in order with the form of bottom surface to end face; connect in adjacent two battery unit cell in passing through between discharge and recharge mouth and connect wire and be connected; all have between adjacent two battery unit cell and only have one to protect box, described protection box by with on two battery unit cell himself be connected in connect discharge and recharge mouth and be connected in these two to connect and connect wire in discharge and recharge mouth and cover completely.Junction between battery unit cell; due to factors such as electric current collect; heat production is relative to much higher on other wire; therefore temperature is also very high, for design protection box herein, first can carry out insulation blocking; secondly; utilize protection box to be directly connected, can to lead away fast the characteristic of internal heat with pipe frame, ensure that the accumulated heat of battery unit cell linkage section can not be too much, extend useful life of the present utility model.
As preferably, in described protection box, be provided with some fuses, in each wire loop of safety box, be all connected in series a fuse.Carry out work protection by fuse to battery, at ordinary times, fuse needs to be in the not too high environment of temperature, therefore utilizes the heat dissipation characteristics of protection box, is arranged in protection box most suitable, and can places outside destroy.When electric current moment is excessive, blown fuse, can protect at least one whole battery unit cell, avoid battery pack large area to scrap.
A kind of electric motor car, comprises foregoing a kind of modular battery in the technical program.
The beneficial effects of the utility model are: utilize pcb board to be welded to connect cell polar ear, and the problem of the chaotic and easily breakdown in inner space wires cross can being avoided to be wound around cause, improve job stability, and the electricity reduced on wire damages; There are two discharge and recharge mouths, use selectivity larger, inside connect discharge and recharge mouth and itself can be used as quick connection channel between battery unit cell, reduce labour expenditure when battery connects, reduce unsteadiness; Rubber stopper can carry out certain protection to enclosure and both positive and negative polarity wire, avoids dust to enter simultaneously; There is link structure, can effectively fix each battery unit cell, ensure intensity and connect effect, there is the cooling fluid of circulation, coordinate each radiator structure, effectively can carry out quick heat radiating to the main accumulated heat position in shell; Radiator structure and syndeton are relied on mutually interrelated, good integrity, can reduce extra parts and have obvious lifting to radiating effect; Protection box both can to outer lead, be exposed in connect discharge and recharge mouth and protect, connection battery unit cell can also be assisted, improve bonding strength further, and coordinate fuse to protect single battery cell cube, prevent the damage of globality.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment 1;
Fig. 2 is the explosive view of the utility model embodiment 1;
Fig. 3 is the structural representation of the utility model embodiment 2;
Fig. 4 is the structural representation of the utility model embodiment 2;
Fig. 5 is structural representation when removing safety box in the utility model embodiment 2;
Fig. 6 is the structural representation at pipe frame place in the utility model embodiment 2;
Fig. 7 is the structural representation of heat transfer device in the utility model embodiment 2;
Fig. 8 is the structural representation at link place in the utility model embodiment 2.
In figure: battery unit cell 1, external discharge and recharge mouth 11, in connect discharge and recharge mouth 12, heat transfer device 13, heat radiation plate 131, heat-radiating substrate 132, heat conduction card chamber 133, rubber stopper 14, shell 2, left drain pan 21, right drain pan 22, BMS23, battery pack 24, pcb board 25, pipe frame 3, hot converter 31, heat radiation contact plate 311, ventilation fence 312, water pump 32, lock pin 4, clinching 41, protection box 5.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
Embodiment 1: as Fig. 1, in embodiment shown in Fig. 2, a kind of modular battery, comprise some battery unit cell 1, described battery unit cell 1 comprises shell 2, described shell 2 comprises left drain pan 21, right drain pan 22, BMS23 is provided with in described shell 2, battery pack 24, pcb board 25, all cell polar ears in battery pack 24 all weld with pcb board 25, described pcb board 25 is electrically connected with BMS23, described shell 2 is provided with external discharge and recharge mouth 11 in parallel, inside connect discharge and recharge mouth 12, described external discharge and recharge mouth 11, inside connect discharge and recharge mouth 12 to be all connected with battery pack 24 by both positive and negative polarity wire, described right drain pan 22 is provided with a line outlet, described both positive and negative polarity wire leads to shell 2 by line outlet in shell 2, described line outlet is provided with the rubber stopper 14 with two holes, both positive and negative polarity wire is drawn respectively from two of rubber stopper 14 holes, connect on a battery unit cell 1 discharge and recharge mouth 12 with on another or several battery unit cell 1 in connect discharge and recharge mouth 12 and be electrically connected.Described shell 2 has two places inwardly shrink formation two and dodges protection portion, external discharge and recharge mouth 11, in connect discharge and recharge mouth 12 and be in one respectively and dodge in protection portion.
When there being the demand of different voltage or charge capacity, the number of battery unit cell 1 can be increased and decreased to reach requirement.Can be connected by wire or other conductive structure between battery unit cell 1, inside connecing discharge and recharge mouth 12 as connecting portion, can improve the convenience connected.
A kind of electric motor car, comprises a kind of modular battery as the aforementioned in the present embodiment.
Embodiment 2: the basic structure of the present embodiment and execution mode are substantially with embodiment 1, its difference is, as Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, shown in Fig. 8, a battery unit cell 1 is connected by link with between another battery unit cell 1, described link comprises pipe frame 3, on described pipe frame 3, two to the lock pin 4 be slidably connected with pipe frame 3, the glide direction place of a pair lock pin 4 point-blank, the two couples lock pin 4 being subordinate to a link is towards the opposite, lock pin 4 is provided with clinching 41, described shell 2 is provided with two armful grooves for coordinating with lock pin 4, described embracing in groove is provided with the catching groove that can coordinate fastening with clinching 41.Utilize link can connect battery unit cell 1, during connection, lock pin 4 is pressed into be embraced in groove, relative lock pin 4 is utilized pin thread, box clamps mutually, just can complete fixing each battery unit cell 1, and, lock pin 4 can slide, and therefore can adapt to the battery container of various sizes, conformability is good, wide adaptability, bonding strength is also guaranteed.Described pipe frame 3 is an annulus line closed, cooling fluid is full of in described pipe frame 3, heat transfer device 13 is provided with bottom described battery unit cell 1, described heat transfer device 13 comprises the multiple heat radiation plates 131 inserted in battery unit cell 1, and the heat-radiating substrate 132 to be affixed with pipe frame 3, described pipe frame 3 is provided with hot converter 31, and described hot converter 31 comprises the heat radiation contact plate 311 that is affixed with pipe frame 3 and ventilation fence 312 outwardly.Be provided with the water pump 32 for driving liquid circulation to flow in described pipe frame 3, the power source of described water pump 32 is from battery pack 24, and described shell 2 is provided with the heat dissipation switch opened and closed for controlling water pump 32.Here 32, water pump needs very little power, and object allows cooling fluid flow in pipe frame 3.The cooling fluid of flowing, can absorb the heat from heat-radiating substrate 132 and other places fast, driven, passed to heat radiation contact plate 311, ventilation fence 312, the quick flowing of extraneous air when recycling electric motor car runs, take away these heats, allow the cooling fluid after lowering the temperature continue circulation and go back, fast endothermic, form good heat-radiation loop, fully ensure radiating effect.Form a heat conduction card chamber 133 between adjacent heat radiation plate 131, described battery pack 24 is connected and composed by multiple soft pack cell, and all some snaps in heat conduction card chamber 133 each soft pack cell.Heat conduction card chamber 133 is utilized to assist the fixing of soft pack cell, allow the utility model internal structure when moving and shake still can ensure firmly, and utilize the contact of heat radiation plate 131, directly the heat that main heating source produces is conducted, further improving heat radiation efficiency.Described pipe frame 3 is in square ring-type, described pipe frame 3 is provided with protection box 5, connect discharge and recharge mouth 12 on battery unit cell 1 and be in himself sidepiece, all battery unit cell 1 are arranged in order with the form of bottom surface to end face, connect in adjacent two battery unit cell 1 in passing through between discharge and recharge mouth 12 and connect wire and be connected, all have between adjacent two battery unit cell 1 and only have one to protect box 5, described protection box 5 connects discharge and recharge mouth 12 on be connected with himself two battery unit cell 1, and connect in these two to connect and connect wire in discharge and recharge mouth 12 and cover completely.Junction between battery unit cell 1; due to factors such as electric current collect; heat production is relative to much higher on other wire; therefore temperature is also very high, for design protection box 5 herein, first can carry out insulation blocking; secondly; utilize protection box 5 to be directly connected, can to lead away fast the characteristic of internal heat with pipe frame 3, ensure that the accumulated heat of battery unit cell 1 linkage section can not be too much, extend useful life of the present utility model.Be provided with some fuses in described protection box 5, in each wire loop of safety box, be all connected in series a fuse.Carry out work protection by fuse to battery, at ordinary times, fuse needs to be in the not too high environment of temperature, therefore utilizes the heat dissipation characteristics of protection box 5, is arranged in protection box 5 most suitable, and can places outside destroy.When electric current moment is excessive, blown fuse, can protect at least one whole battery unit cell 1, avoid battery pack 24 large area to scrap.
A kind of electric motor car, comprises a kind of modular battery as the aforementioned in the present embodiment.
Claims (9)
1. a modular battery, it is characterized in that, comprise some battery unit cell (1), described battery unit cell (1) comprises shell (2), described shell (2) comprises left drain pan (21), right drain pan (22), BMS (23) is provided with in described shell (2), battery pack (24), pcb board (25), all cell polar ears in battery pack (24) all weld with pcb board (25), described pcb board (25) is electrically connected with BMS (23), described shell (2) is provided with external discharge and recharge mouth (11) in parallel, inside connect discharge and recharge mouth (12), described external discharge and recharge mouth (11), inside connect discharge and recharge mouth (12) to be all connected with battery pack (24) by both positive and negative polarity wire, described right drain pan (22) is provided with a line outlet, described both positive and negative polarity wire leads to shell (2) by line outlet in shell (2), described line outlet is provided with the rubber stopper (14) with two holes, both positive and negative polarity wire is drawn respectively from two holes of rubber stopper (14), connect on a battery unit cell (1) discharge and recharge mouth (12) with on another or several battery unit cell (1) in connect discharge and recharge mouth (12) and be electrically connected.
2. a kind of modular battery according to claim 1; it is characterized in that; described shell (2) has two places inwardly shrink formation two and dodges protection portion, external discharge and recharge mouth (11), in connect discharge and recharge mouth (12) and be in one respectively and dodge in protection portion.
3. a kind of modular battery according to claim 1, it is characterized in that, a battery unit cell (1) is connected by link with between another battery unit cell (1), described link comprises pipe frame (3), described pipe frame (3) upper two is to the lock pin (4) be slidably connected with pipe frame (3), the glide direction place of a pair lock pin (4) point-blank, two couple lock pin (4) being subordinate to a link is towards the opposite, lock pin (4) is provided with clinching (41), described shell (2) is provided with two armful grooves for coordinating with lock pin (4), described embracing in groove is provided with the catching groove that can coordinate fastening with clinching (41).
4. a kind of modular battery according to claim 3, it is characterized in that, described pipe frame (3) is an annulus line closed, cooling fluid is full of in described pipe frame (3), described battery unit cell (1) bottom is provided with heat transfer device (13), described heat transfer device (13) comprises multiple heat radiation plates (131) of inserting in battery unit cell (1), and the heat-radiating substrate (132) to be affixed with pipe frame (3), described pipe frame (3) is provided with hot converter (31), described hot converter (31) comprises the heat radiation contact plate (311) and ventilation fence outwardly (312) that are affixed with pipe frame (3).
5. a kind of modular battery according to claim 3 or 4, it is characterized in that, the water pump (32) for driving liquid circulation to flow is provided with in described pipe frame (3), the power source of described water pump (32) is from battery pack (24), and described shell (2) is provided with the heat dissipation switch opened and closed for controlling water pump (32).
6. a kind of modular battery according to claim 3, it is characterized in that, a heat conduction card chamber (133) is formed between adjacent heat radiation plate (131), described battery pack (24) is connected and composed by multiple soft pack cell, and all some snaps in heat conduction card chamber (133) each soft pack cell.
7. a kind of modular battery according to claim 3, it is characterized in that, described pipe frame (3) is in square ring-type, described pipe frame (3) is provided with protection box (5), connect discharge and recharge mouth (12) on battery unit cell (1) and be in himself sidepiece, all battery unit cell (1) are arranged in order with the form of bottom surface to end face, connect in adjacent two battery unit cell (1) in passing through between discharge and recharge mouth (12) and connect wire and be connected, all have between adjacent two battery unit cell (1) and only have one to protect box (5), described protection box (5) connects discharge and recharge mouth (12) on be connected with himself two battery unit cell (1), and connect in these two to connect and connect wire in discharge and recharge mouth (12) and cover completely.
8. a kind of modular battery according to claim 7, is characterized in that, is provided with some fuses in described protection box (5), is all connected in series a fuse in each wire loop of safety box.
9. an electric motor car, is characterized in that, comprise claim 1-8 any one described in a kind of modular battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420464368.9U CN204167432U (en) | 2014-08-18 | 2014-08-18 | A kind of modular battery and include the electric motor car of modular battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420464368.9U CN204167432U (en) | 2014-08-18 | 2014-08-18 | A kind of modular battery and include the electric motor car of modular battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204167432U true CN204167432U (en) | 2015-02-18 |
Family
ID=52541088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420464368.9U Withdrawn - After Issue CN204167432U (en) | 2014-08-18 | 2014-08-18 | A kind of modular battery and include the electric motor car of modular battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204167432U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104241715A (en) * | 2014-08-18 | 2014-12-24 | 浙江超威创元实业有限公司 | Modularized battery |
| WO2018119724A1 (en) * | 2016-12-28 | 2018-07-05 | 深圳市大疆灵眸科技有限公司 | Power source module of cradle head, battery assembly and cradle head |
| CN111403802A (en) * | 2020-04-30 | 2020-07-10 | 东莞新能德科技有限公司 | Battery and electric device with same |
| CN111403675A (en) * | 2020-04-20 | 2020-07-10 | 东莞新能德科技有限公司 | Battery and electronic device |
-
2014
- 2014-08-18 CN CN201420464368.9U patent/CN204167432U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104241715A (en) * | 2014-08-18 | 2014-12-24 | 浙江超威创元实业有限公司 | Modularized battery |
| CN104241715B (en) * | 2014-08-18 | 2016-08-31 | 浙江超威创元实业有限公司 | Modular battery and electric motor car |
| WO2018119724A1 (en) * | 2016-12-28 | 2018-07-05 | 深圳市大疆灵眸科技有限公司 | Power source module of cradle head, battery assembly and cradle head |
| CN111403675A (en) * | 2020-04-20 | 2020-07-10 | 东莞新能德科技有限公司 | Battery and electronic device |
| CN111403802A (en) * | 2020-04-30 | 2020-07-10 | 东莞新能德科技有限公司 | Battery and electric device with same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10468891B2 (en) | Charger for vacuum cleaner and fast charging controlling method thereof | |
| CN204167432U (en) | A kind of modular battery and include the electric motor car of modular battery | |
| CN106469840B (en) | Battery module, battery pack and vehicle | |
| CN204441392U (en) | A kind of lithium ion battery structure that can fold flexibly | |
| CN105789733A (en) | Thermal management device and power source device | |
| CN110518309B (en) | Multi-cooling-mode power battery heat dissipation device | |
| CN104362972A (en) | Split type photovoltaic terminal box with cable protection structure | |
| CN211700495U (en) | Motorcycle lithium battery heat dissipation detection device | |
| CN105742751A (en) | Battery pack | |
| CN201699106U (en) | Flexible-package lithium-ion battery radiating structure | |
| CN104347907A (en) | Battery, battery module and vehicle | |
| CN204243103U (en) | A kind of battery structure and include the electric motor car of battery structure | |
| CN207677035U (en) | A kind of energy storage module of high efficiency and heat radiation | |
| CN104201435A (en) | Sealed liquid-cooling lithium ion battery pack | |
| CN208208934U (en) | Battery core group unit and cell apparatus | |
| CN209134124U (en) | A kind of simple photovoltaic integrated machine for reverse conversion | |
| CN104241715A (en) | Modularized battery | |
| CN207368166U (en) | A kind of battery modules radiator structure | |
| CN105552294A (en) | Battery module | |
| CN206076453U (en) | It is a kind of can quick soaking electrokinetic cell module | |
| CN211700377U (en) | High-efficient cooling system mounting structure of motorcycle lithium cell | |
| CN210866417U (en) | Battery module fast dispels heat | |
| CN210576325U (en) | Lithium battery with good heat dissipation effect | |
| CN209981425U (en) | Lightweight heat dissipation battery pack | |
| CN206116557U (en) | High -efficient heat radiation structure of lithium cell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150218 Effective date of abandoning: 20160831 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150218 Effective date of abandoning: 20160831 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |