CN207755660U - A kind of dynamic lithium battery automatic fire extinguisher - Google Patents
A kind of dynamic lithium battery automatic fire extinguisher Download PDFInfo
- Publication number
- CN207755660U CN207755660U CN201721893912.1U CN201721893912U CN207755660U CN 207755660 U CN207755660 U CN 207755660U CN 201721893912 U CN201721893912 U CN 201721893912U CN 207755660 U CN207755660 U CN 207755660U
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- fire
- water
- cooling
- battery case
- suppression mechanism
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- 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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Abstract
The utility model discloses a kind of dynamic lithium battery automatic fire extinguishers, including protective housing, magnetism servo-electric motor water-cooling, fire suppression mechanism and temperature sensor.Wherein protective housing is for protecting fire suppression mechanism, and magnetism servo-electric motor water-cooling is for cooling down to battery, and for fire suppression mechanism for quickly being put out a fire to battery, whether temperature sensor is on fire for detecting battery.The utility model avoids fire suppression mechanism by protective housing and is directly installed on outside, and then fire suppression mechanism times can guarantee normal fire-fighting work when generating greater impact, increase the adaptability of the present apparatus under various operating conditions, water cooling is carried out to battery by magnetism servo-electric motor water-cooling, it can cool down when not catching fire, fire suppression mechanism quick extinguishing can be helped when catching fire, and by fire suppression mechanism lower quickly by Cell closure there is a situation where fire, avoid burning things which may cause a fire disaster leakage.
Description
Technical field
The utility model is related to cell safety technical field, specially a kind of dynamic lithium battery automatic fire extinguisher.
Background technology
Being on the rise of earth environment pollution, world petroleum resource it is increasingly exhausted, consume 85% or so gasoline and
20% or so diesel oil has manufactured the traditional combustion engine automobile of 70% or so atmosphere pollution, already cause the worry of people with
Thinking.Power train in vehicle application transition is the trend of the times of Global Auto industrial development, and by the extensive concern of countries in the world, development is electronic
Automobile seizes the new runway of automobile industry development, has become common recognition, also receives the great attention of governments at all levels of China, work as battery
It needs to consider when being widely applied during battery use because connector loosening causes overcurrent and heat, battery management system out of control
Cause to overcharge or cross put, the reasons such as the inside battery caused by external force factor or outside line short circuit cause internal temperature of battery liter
Height, and the case where cause battery to catch fire.
A kind of power battery pack fire extinguishing apparatus special that Chinese utility model patent Publication No. CN105561503A is provided,
It includes sensor, fire extinguisher storage tank, intelligent controller and extinguishing chemical nozzle, and the sensor is fixedly mounted in battery flat,
Quick trigger valve is installed, control terminal and the intelligent controller of quick trigger valve pass through control in the outlet of the fire extinguisher storage tank
Cable connects, and intelligent controller is also connect with vehicle power supply by vehicle power supply terminals, the outlet and fire extinguishing of quick trigger valve
One end of agent conveyance conduit connects, and the other end of extinguishing chemical conveyance conduit is equipped with extinguishing chemical nozzle, and extinguishing chemical nozzle is mounted on
On the inner wall of battery flat.This utility model puts out a fire to battery by fire extinguisher storage tank, since fire extinguisher storage tank is independently installed
And outside battery flat, the parts in the case where being squeezed by external force on fire extinguisher storage tank are put out a fire caused by being easily damaged
The case where device storage tank can not work normally, and then cannot be satisfied and carry out quick extinguishing in various catch fire.
A kind of battery case Special automatic extinguisher that Chinese utility model patent Publication No. CN104784847A is provided,
It includes multiple air suction type fire disaster detectors, whether catching fire in each battery case for detecting；At least two foamite containers, should
The extinguishing chemical delivery outlet of foamite container is connected with extinguishing chemical transmission pipeline network, the extinguishing chemical transmission pipeline network include main pipe rail and with this
Each battery case of multiple branch pipelines that main pipe rail is connected, vehicle is separately connected an at least branch pipeline；Main pipe rail or extinguishing chemical
The extinguishing chemical delivery outlet of container is equipped with the first valve, and each branch pipeline is separately installed with the second valve；Controller, with air-breathing
Formula fire detector, the first valve and the second valve are connected, and the controller is according to the result of detection of air suction type fire disaster detector
Whether controlling each first valve, the second valve opening.This utility model puts out a fire to the battery to catch fire by foamite container,
Since current battery case is required to be aerated the battery in it and battery case directly connects with other component
It touches, this device can only put out a fire to battery, can not carry out quick closing battery case, so burning things which may cause a fire disaster is easy and other component
It is in direct contact, the case where burning things which may cause a fire disaster accurately can not quickly be put out caused by.
Utility model content
The purpose of this utility model is to provide a kind of dynamic lithium battery automatic fire extinguishers, to solve above-mentioned background technology
The problem of middle proposition.
To achieve the above object, the utility model provides the following technical solutions：
A kind of dynamic lithium battery automatic fire extinguisher, including protective housing, magnetism servo-electric motor water-cooling, fire suppression mechanism and temperature sensor,
Wherein：
Magnetism servo-electric motor water-cooling comprising water tank, water pump, water pipe I, distributive pipe, water pipe II and water pipe III, the water tank are mounted on anti-
On protecting box, the pump intake is connected with water tank, and two distributive pipe opposition are mounted in protective housing, two of which institute
It states distributive pipe by water pipe II to be connected, a partition board I is equipped in the distributive pipe, the pump outlet passes through water pipe I and its
In a distributive pipe be connected, III one end of the water pipe with not with water pump connection distributive pipe be connected, the other end extends to water tank
It is interior；
Fire suppression mechanism comprising battery case, cover board, side plate, baffle I, baffle II, hydraulic cylinder, dry powder extinguisher, drainage tube
And cooling hole, the cover board and side plate are mounted on battery case by bolt, are wherein all provided on battery case, cover board and side plate respectively
There are several cooling holes, is movably installed with a pumping board I in three circumferential surfaces of the battery case and side plate, activity peace in the cover board
A pumping board II is filled, several cooling holes are equipped on the pumping board I and pumping board II, three baffles I are separately mounted in side plate
Pumping board I on, on the pumping board I on the pumping board II in cover board and in battery case, two baffles II are separately mounted to electricity
On two pumping boards I in the case of pond, five hydraulic cylinders are separately mounted on battery case, cover board and side plate, power output end point
Be not fixedly connected with baffle I and baffle II, the dry powder extinguisher be mounted on battery case on, both ends respectively with two distributive pipes
Connection, one end of several drainage tubes is uniformly mounted on two distributive pipes, the other end extends in battery case,
A partition board II is equipped in the drainage tube.
Preferably, the centre-to-centre spacing of two adjacent cooling holes and two neighboring cooling on pumping board I on the battery case and cover board
Hole centre-to-centre spacing is identical and quantity is consistent, the centre-to-centre spacing of two adjacent cooling holes and two adjacent coolings on pumping board II on the cover board
Hole centre-to-centre spacing is identical and quantity is consistent, and the width of entity is equal to the width of cooling hole between two neighboring cooling hole.
Preferably, distributive pipe is uniformly divided into two parts by the partition board I in the distributive pipe, in the drainage tube every
Drainage tube is uniformly divided into two parts by plate II.
Preferably, a spring I is fixedly mounted in four sides of the protective housing respectively and four springs are fixedly mounted in bottom surface
II, the fire suppression mechanism is mounted on by spring I and spring II in protective housing.
Preferably, the temperature sensor is mounted in battery case, and the temperature sensor is electrically connected signal adapter,
The signal adapter is electrically connected signal processing unit, and described control unit is electrically connected signal processing unit, the signal
Processing unit is electrically connected fire suppression mechanism
Compared with prior art, the utility model has the beneficial effects that：
1. the utility model avoids fire suppression mechanism by protective housing and is directly installed on outside, and then when generation greater impact
Fire suppression mechanism, which is appointed, can guarantee normal fire-fighting work, increase the adaptability of the present apparatus under various operating conditions.
2. the utility model carries out water cooling by magnetism servo-electric motor water-cooling to battery, it can cool down when not catching fire, catch fire
When can help fire suppression mechanism quick extinguishing.
3. the utility model lower quickly by Cell closure there is a situation where fire, avoids fire by fire suppression mechanism
Source leaks outside, and carries out quick fire extinguishing processing by dry powder extinguisher, and wherein cooling water and dry powder is separated by distributive pipe, into
And reduce the volume of extinguishing device component.
Description of the drawings
Fig. 1 is the utility model overall structure front view；
Fig. 2 is the utility model overall structure sectional view；
Fig. 3 is the utility model fire suppression mechanism schematic three dimensional views；
Fig. 4 is the utility model battery case schematic three dimensional views；
Fig. 5 is the utility model cover board schematic three dimensional views；
Fig. 6 is the utility model distributive pipe schematic three dimensional views；
Fig. 7 is the utility model drainage tube sectional view；
Fig. 8 is I schematic three dimensional views of the utility model pumping board；
Fig. 9 is the utility model controling circuit structure schematic diagram；
In figure：1 protective housing, 2 magnetism servo-electric motor water-coolings, 3 fire suppression mechanisms, 4 temperature sensors, 11 springs I, 12 springs II, 21 water tanks,
22 water pumps, 23 water pipes I, 24 distributive pipes, 25 water pipes II, 26 water pipes III, 241 partition boards I, 31 battery cases, 32 cover boards, 33 side plates, 34
Baffle I, 35 baffles II, 36 hydraulic cylinders, 37 dry powder extinguishers, 38 drainage tubes, 39 cooling holes, 311 pumping boards I, 321 pumping boards II, 381
Partition board II, 41 signal adapters, 42 signal processing units, 43 control units.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Embodiment：
It please refers to Fig.1 to Fig. 9, the utility model provides a kind of technical solution：
A kind of dynamic lithium battery automatic fire extinguisher, including protective housing 1, magnetism servo-electric motor water-cooling 2, fire suppression mechanism 3 and temperature sensing
Device 4, wherein：
Magnetism servo-electric motor water-cooling 2 comprising water tank 21, water pump 22, water pipe I 23, distributive pipe 24, water pipe II 25 and water pipe III 26, water
Case 21 is fixedly mounted on 1 bottom surface of protective housing, and 22 water inlet of water pump connect with water tank 21 and is in connected state, two distributive pipes 24
Opposition is mounted in protective housing 1, and two of which distributive pipe 24, which is linked together and is in by water pipe II 25, to be connected, distributive pipe
It is equipped with a partition board I 241 in 24, distributive pipe 24 is uniformly divided into two parts, wherein water pipe II 25 connects two distributive pipes
24 corresponding regions, 22 water outlet of water pump are connected by water pipe I 23 with one of distributive pipe 24, III 26 one end of water pipe with
It is not connected with the distributive pipe 24 that water pump 22 is connected to, the other end extends in water tank 21；
Fire suppression mechanism 3 comprising battery case 31, cover board 32, side plate 33, baffle I 34, baffle II 35, hydraulic cylinder 36, dry powder
Fire extinguisher 37, drainage tube 38 and cooling hole 39, cover plate 32 and side plate 33 are mounted on by bolt on battery case 31 respectively, with
And several cooling holes 39, wherein the three of battery case 31 circumferential surface and side plate are equipped on battery case 31, cover board 32 and side plate 33
It is movably installed with a pumping board I 311 in 33, one pumping board II 321 of activity installation, wherein pumping board I 311 and pumping board II in cover board 32
Several cooling holes 39 are equipped on 321, the centre-to-centre spacing of two adjacent cooling holes 39 and pumping board I wherein on battery case 31 and cover board 32
39 centre-to-centre spacing of two neighboring cooling hole is identical on 311 and the quantity of cooling hole 39 is consistent and cover board 32 on two adjacent coolings
The centre-to-centre spacing in hole 39 with two 39 centre-to-centre spacing of adjacent cooling hole are identical on pumping board II 321 and 39 quantity of cooling hole is consistent, adjacent two
The width of entity is equal to the width of cooling hole 39 between a cooling hole 39, and there are three baffles I 34, one of them is fixedly mounted on side
On pumping board I 311 in plate 33, on the pumping board II 321 that another is fixedly mounted in cover board 32, remaining one be fixedly mounted on electricity
On an interior pumping board I 311 for 31 side of pond case, wherein 31 side of battery case is the face to oppose with side plate 33, baffle II 35
There are two, two of which baffle II 35 is respectively and fixedly installed on two pumping boards I 311 in 31 two sides of battery case, wherein battery
The two sides of case 31 are two faces adjacent with side plate 33, and there are five hydraulic cylinders 36, wherein three are separately mounted to battery case 31
Three sides, another be mounted on cover board 32, remaining one be mounted on side plate 33, power output end respectively with baffle
I 34 are fixedly connected with baffle II 35, dry powder extinguisher 37 be mounted on 31 bottom surface of battery case, both ends respectively with two distributive pipes 24
Connection, one end of several drainage tubes 38 is uniformly mounted on two distributive pipes 24, the other end extends in battery case 31, is drawn
It is equipped with a partition board II 381 in flow tube 38, drainage tube 38 is uniformly divided into two parts, wherein separate two of drainage tube 38
It is divided to corresponding with two parts that distributive pipe 24 separates and is to be tightly connected, wherein drainage tube 38 is equipped with several circular holes, circular hole
Direction towards battery.
A spring I 11 is fixedly mounted in four sides of protective housing 1 respectively and four springs II 12 are fixedly mounted in bottom surface,
Fire suppression mechanism 3 is mounted on by spring I 11 and spring II 12 in protective housing 1.
Temperature sensor 4 is mounted in battery case 31, and temperature sensor 4 is electrically connected signal adapter 41, signal conversion
Device 41 is electrically connected signal processing unit 42, and control unit 43 is electrically connected signal processing unit 42,42 electricity of signal processing unit
Property connection fire suppression mechanism 3.
Present apparatus specific work process is：Wherein power battery is mounted in battery case 31, and will be added in water tank 21
Cooling water detects the temperature of battery in the middle temperature sensor 4 of the process of power battery work, and is converted by signal in real time
The temperature signal measured is converted into the signal that signal processing unit 42 can identify by device 41, wherein in signal processing unit 42
Threshold value equipped with a temperature, signal processing unit 42 assigns unlatching if 4 measured temperature of temperature sensor reaches preset threshold value
The instruction of fire suppression mechanism 3 so that fire suppression mechanism 3 is in running order, if not up to threshold value when continue to measure, wherein default
Threshold value be that battery is in the temperature value that catches fire under state.
When battery is in normal operating conditions, water pump 22 extracts the cooling water in water tank 21 out, will be cold by water pipe I 23
But water is delivered in distributive pipe 24, wherein a part of region is equipped with cooling water in the cooling tube being directly connected with water pipe I 23, in addition
The cooling water of one distributive pipe 24 is conveyed by water pipe II 25, wherein being respectively arranged in the corresponding region separated of two distributive pipes 24
When cooling water, cooling water is flow in drainage tube 38, and the cooling water in one of distributive pipe 24 is back to water by water pipe III 26
In case 21, and then completes water cycle and carry out the cooling hole 39 on cooling processing and pumping board I 311 and battery case 31 and side plate 33
On cooling hole 39 it is corresponding, the cooling hole 39 on pumping board II 321 is corresponding with the cooling hole 39 on cover board 32, and then battery case
31 states in ventilation, and then air-cooled and water cooling is carried out to the battery under working condition.
In the state that battery is in and catches fire, signal processing unit 42 assigns the instruction for opening fire suppression mechanism 3, and then controls
Hydraulic cylinder 36 is started to work, and direction movement of five 36 power output ends of hydraulic cylinder far from cylinder body, passes through drive at this time at this time
Baffle I 34 and baffle II 35 move and then drive pumping board I 311 and pumping board II 321 to move, and move to entity on each pumping board I 311
Position is against physical location at the cooling hole 39 on battery case 31 or side plate 33 and on pumping board II 321 against cold on cover board 32
But stop motion at hole 39, and then battery case 31 is in the state of sealing, and then separated burning things which may cause a fire disaster and contacted with other component, and
Dry powder extinguisher 37 starts to spray dry powder, and dry powder is delivered to by two distributive pipes 24 and several drainage tubes 38 in battery case 31
Portion, dry powder several circular holes from drainage tube 38 spray at this time, and then dry powder is directly sprayed on battery, and then quickly finish dry
The process of powder fire extinguishing is equipped with a partition board I 241 due to being equipped in a partition board II 381 and distributive pipe 24 in drainage tube 38, so dry
Powder is in the phenomenon that two independent regions will not cause to mix with cooling water.
In the case that the present apparatus is squeezed by external force, the spring I 11 between protective housing 1 and fire suppression mechanism 3 and spring II
12 carry out damping processing, influence of the foreign impacts to the present apparatus are reduced, since cover board 32 and side plate 33 are mounted on by bolt
On battery case 31, so the enhanced convenience when carrying out battery altering or maintenance, and control is directly assigned by control unit 43
The instruction of hydraulic cylinder 36 processed, enabling directly control the closing and unlatching of battery case 31.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of dynamic lithium battery automatic fire extinguisher, including protective housing (1), magnetism servo-electric motor water-cooling (2), fire suppression mechanism (3) and temperature
Sensor (4), it is characterised in that：
Magnetism servo-electric motor water-cooling (2) comprising water tank (21), water pump (22), water pipe I (23), distributive pipe (24), water pipe II (25) and water pipe
III (26), the water tank (21) are mounted on protective housing (1), and water pump (22) water inlet is connected with water tank (21), two
Distributive pipe (24) opposition is mounted in protective housing (1), and distributive pipe described in two of which (24) is connected by water pipe II (25)
It is logical, a partition board I (241) is equipped in the distributive pipe (24), water pump (22) water outlet passes through water pipe I (23) and one of them
Distributive pipe (24) is connected, the water pipe III (26) one end with not with water pump (22) connection distributive pipe (24) be connected, the other end
It extends in water tank (21)；
Fire suppression mechanism (3) comprising battery case (31), cover board (32), side plate (33), baffle I (34), baffle II (35), hydraulic pressure
Cylinder (36), dry powder extinguisher (37), drainage tube (38) and cooling hole (39), the cover board (32) and side plate (33) pass through spiral shell respectively
Bolt is mounted on battery case (31), is wherein equipped with several cooling holes (39) on battery case (31), cover board (32) and side plate (33),
It is movably installed with a pumping board I (311) in (31) three circumferential surfaces of the battery case and side plate (33), lives in the cover board (32)
It is dynamic that a pumping board II (321) is installed, it is equipped with several cooling holes (39), three institutes on the pumping board I (311) and pumping board II (321)
It states on the pumping board II (321) on the pumping board I (311) that baffle I (34) is separately mounted in side plate (33), in cover board (32) and electric
On a pumping board I (311) in pond case (31), two baffles II (35) are separately mounted to two pumping boards I in battery case (31)
(311) on, five hydraulic cylinders (36) are separately mounted on battery case (31), cover board (32) and side plate (33), and power is defeated
Outlet is fixedly connected with baffle I (34) and baffle II (35) respectively, and the dry powder extinguisher (37) is mounted on battery case (31),
Its both ends is connected to two distributive pipes (24) respectively, and one end of several drainage tubes (38) is uniformly mounted on described in two
On distributive pipe (24), the other end extend in battery case (31), a partition board II (381) is equipped in the drainage tube (38).
2. a kind of dynamic lithium battery automatic fire extinguisher according to claim 1, it is characterised in that：The battery case (31)
Centre-to-centre spacing with upper two adjacent cooling holes (39) of cover board (32) and two neighboring cooling hole (39) centre-to-centre spacing on pumping board I (311)
Identical and quantity is consistent, centre-to-centre spacing and upper two phases of pumping board II (321) of the adjacent cooling hole (39) of upper two of the cover board (32)
Adjacent cooling hole (39) centre-to-centre spacing is identical and quantity is consistent, wherein the width of entity is equal to cooling between two neighboring cooling hole (39)
The width in hole (39).
3. a kind of dynamic lithium battery automatic fire extinguisher according to claim 1, it is characterised in that：The distributive pipe (24)
Distributive pipe (24) is uniformly divided into two parts by interior partition board I (241), and the partition board II (381) in the drainage tube (38) will
Drainage tube (38) is uniformly divided into two parts.
4. a kind of dynamic lithium battery automatic fire extinguisher according to claim 1, it is characterised in that：The protective housing (1)
A spring I (11) is fixedly mounted in four sides respectively and four springs II (12), the fire suppression mechanism is fixedly mounted in bottom surface
(3) it is mounted in protective housing (1) by spring I (11) and spring II (12).
5. a kind of dynamic lithium battery automatic fire extinguisher according to claim 1, it is characterised in that：The temperature sensor
(4) it is mounted in battery case (31), the temperature sensor (4) is electrically connected signal adapter (41), the signal adapter
(41) it is electrically connected signal processing unit (42), described control unit (43) is electrically connected signal processing unit (42), the letter
Number processing unit (42) is electrically connected fire suppression mechanism (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721893912.1U CN207755660U (en) | 2017-12-29 | 2017-12-29 | A kind of dynamic lithium battery automatic fire extinguisher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721893912.1U CN207755660U (en) | 2017-12-29 | 2017-12-29 | A kind of dynamic lithium battery automatic fire extinguisher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207755660U true CN207755660U (en) | 2018-08-24 |
Family
ID=63185951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721893912.1U Expired - Fee Related CN207755660U (en) | 2017-12-29 | 2017-12-29 | A kind of dynamic lithium battery automatic fire extinguisher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207755660U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109193073A (en) * | 2018-09-17 | 2019-01-11 | 双极泵业科技（珠海）有限公司 | New energy car battery safety management system and method |
| TWI690350B (en) * | 2018-10-01 | 2020-04-11 | 協同能源科技股份有限公司 | System and method for battery fire extinguishing through flooding the battery |
| CN112162207A (en) * | 2020-09-24 | 2021-01-01 | 浙江硕维轨道交通装备有限公司 | Train battery on-line monitoring system |
| CN113594605A (en) * | 2021-07-31 | 2021-11-02 | 浙江米皇新材股份有限公司 | Automobile battery aluminum-clad section |
-
2017
- 2017-12-29 CN CN201721893912.1U patent/CN207755660U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109193073A (en) * | 2018-09-17 | 2019-01-11 | 双极泵业科技（珠海）有限公司 | New energy car battery safety management system and method |
| TWI690350B (en) * | 2018-10-01 | 2020-04-11 | 協同能源科技股份有限公司 | System and method for battery fire extinguishing through flooding the battery |
| CN112162207A (en) * | 2020-09-24 | 2021-01-01 | 浙江硕维轨道交通装备有限公司 | Train battery on-line monitoring system |
| CN112162207B (en) * | 2020-09-24 | 2021-09-07 | 浙江硕维轨道交通装备有限公司 | Train battery on-line monitoring system |
| CN113594605A (en) * | 2021-07-31 | 2021-11-02 | 浙江米皇新材股份有限公司 | Automobile battery aluminum-clad section |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180824 Termination date: 20201229 |