CN215195147U - Lithium battery box protector - Google Patents
Lithium battery box protector Download PDFInfo
- Publication number
- CN215195147U CN215195147U CN202121217666.4U CN202121217666U CN215195147U CN 215195147 U CN215195147 U CN 215195147U CN 202121217666 U CN202121217666 U CN 202121217666U CN 215195147 U CN215195147 U CN 215195147U
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- Prior art keywords
- fire
- lithium battery
- groove
- battery box
- control valve
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 28
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 230000001012 protector Effects 0.000 title claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 48
- 239000000443 aerosol Substances 0.000 claims abstract description 22
- 230000001681 protective effect Effects 0.000 claims abstract description 17
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 3
- 239000011229 interlayer Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 150000002641 lithium Chemical class 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 7
- 239000010410 layer Substances 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000032677 cell aging Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Images
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
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model relates to a lithium battery box protector, including the protective housing, the resettlement groove has evenly been seted up to the inside of protective housing, the inside movable mounting in resettlement groove has the battery piece, the inside fixed mounting of protective housing has the mechanism of putting out a fire, the inside fixed mounting of protective housing has and puts out a fire corresponding emergency alarm mechanism of mechanism and automatic trigger mechanism. This lithium battery box protector, through having set up the mechanism of putting out a fire, and with the corresponding emergency alarm mechanism and the automatic trigger mechanism of the mechanism of putting out a fire, when the source of a fire appears, can detect through infrared flame detector the very first time, then trigger the shower nozzle of putting out a fire through the controller, hold the inside aerosol blowout of feed bin and storage tank with the pressurization, be used in source of a fire department, quick fire extinguishing, attract user's attention through emergency alarm mechanism simultaneously, put out a fire as early as possible, the fusing point that still sets up the automatic control valve is at 300 + 500 degrees centigrade, when the source of a fire appears, the automatic control valve can melt under the effect of high temperature, make the aerosol normally spout.
Description
Technical Field
The utility model relates to a battery protection technical field.
Background
The lithium battery is a battery which uses lithium metal or lithium alloy as a positive/negative electrode material and uses a non-aqueous electrolyte solution, the lithium metal battery is firstly proposed and researched by Gilbert N.Lewis in 1912, and in the 70 th century, the lithium metal has very high requirements on environment for processing, storage and use due to the very active chemical property of the lithium metal, and the lithium battery becomes a mainstream along with the development of scientific technology.
When using, current lithium cell case can lead to the lithium cell ageing after long-term the use to the potential danger that explosion and catch fire appears, and among the existing equipment, can not carry out urgent and quick processing to this kind of condition, thereby lead to the intensity of a fire to enlarge fast and cause the casualties, so proposed a lithium cell case protector and solved the problem that proposes in the aforesaid.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the technical problem who exists among the prior art, provide a lithium cell case protector, solved and can not be to catching fire and explode and carry out urgent and quick processing problem.
The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a lithium battery box protector, includes the protective housing, the arrangement groove has evenly been seted up to the inside of protective housing, the inside movable mounting in arrangement groove has the battery piece, the inside fixed mounting of protective housing has the mechanism of putting out a fire, the inside fixed mounting of protective housing have with the corresponding emergency alarm mechanism of the mechanism of putting out a fire and automatic trigger mechanism, fixed mounting has the attach fitting corresponding with the battery piece on the interior diapire of arrangement groove, fixed mounting has the conflict gasket corresponding with the battery piece on the interior roof of arrangement groove.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, fixed mounting has the clamp ring of settling corresponding with the battery piece on the inner wall of settling groove, settle the clamp ring and conflict the gasket and be the metal material that has elasticity, the top fixed mounting of battery piece has and conflicts the corresponding buffering of gasket and conflict the piece.
Furthermore, the inside of guard box evenly seted up with the corresponding arrangement groove of every battery piece, the inside fixed mounting in inner wall in arrangement groove has explosion-proof intermediate layer.
Further, the mechanism of putting out a fire holds the feed bin including the pressurization that is located the protective housing inside, the pressurization is held to be provided with on the feed bin and is held the feed bin with the pressurization and be linked together and extend to the inside shower nozzle of putting the groove of putting out a fire, the inside fixed mounting of protective housing holds the corresponding storage tank of feed bin with the pressurization, the storage tank holds feed bin with the pressurization and is linked together a fixed mounting and have the booster pump machine, the pressurization holds feed bin fixed mounting each other has communicating pipe, the inlet pipe that corresponds with the storage tank is seted up in the left side of protective housing.
Further, the fire extinguishing nozzle is located right above the connecting joint, the storage tank and the pressurizing storage bin are filled with aerosol, and the aerosol inside the pressurizing storage bin is in a high-pressure state.
Further, the automatic triggering mechanism comprises an infrared flame detector positioned on the side wall of the placing groove, a controller corresponding to the infrared flame detector is fixedly installed inside the protection box, an automatic control valve is fixedly installed inside the fire extinguishing nozzle, and the automatic control valve is electrically connected with the controller through a connecting wire.
Furthermore, the output end of the controller is electrically connected with the input end of the automatic control valve, the input end of the controller is electrically connected with the output end of the infrared flame detector, and an external interface is fixedly installed at the top of the protection box.
Further, the automatic control valve is a butterfly valve and is made of plastic materials with the melting point of 300-500 ℃.
Further, the emergency alarm mechanism comprises alarm indicating lamps electrically connected with the controller, the alarm indicating lamps correspond to the number and the positions of the placing grooves and are electrically connected with the infrared flame detector, and the emergency alarm mechanism further comprises a wireless signal transmitter and a buzzer.
Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:
this lithium battery box protector, through having set up the mechanism of putting out a fire, and with the corresponding emergency alarm mechanism and the automatic trigger mechanism of the mechanism of putting out a fire, when the burning things which may cause a fire disaster appear, can detect through infrared flame detector the very first time, then trigger the shower nozzle of putting out a fire through the controller, hold the inside aerosol blowout of feed bin and storage tank with the pressurization, be used in burning things which may cause a fire disaster department, quick fire extinguishing, attract user's attention through emergency alarm mechanism simultaneously, put out a fire as early as possible, the fusing point that still sets up the automatic control valve is at 300 + 500 degrees centigrade, when the burning things which may cause a fire disaster appears, the automatic control valve can melt under the effect of high temperature, thereby make the normal blowout of aerosol, thereby realize the effect of putting out a fire, the inside fixed mounting of inner wall of storage tank has explosion-proof intermediate layer simultaneously, can avoid the explosion and influence other batteries, cause bigger danger.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the fire extinguishing nozzle of the utility model.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the protective housing, 2, the controller, 3, the warning pilot lamp, 4, the buffering contact block, 5, the storage tank, 6, the booster pump machine, 7, the pressurization holds the feed bin, 8, communicating pipe, 9, the settling tank, 10, the explosion-proof intermediate layer, 11, settle the clamp ring, 12, the shower nozzle of putting out a fire, 13, infrared flame detector, 14, the automatic control valve, 15, connecting wire, 16, the inlet pipe, 17, external interface, 18, attach fitting, 19, conflict gasket, 20, the battery piece.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
Referring to fig. 1-2, the lithium battery box protection device in the present embodiment includes a protection box 1, a placement groove 9 is uniformly formed in the protection box 1, a storage battery block 20 is movably mounted in the placement groove 9, a fire extinguishing mechanism is fixedly mounted in the protection box 1, an emergency alarm mechanism and an automatic trigger mechanism corresponding to the fire extinguishing mechanism are fixedly mounted in the protection box 1, a connection joint 18 corresponding to the storage battery block 20 is fixedly mounted on an inner bottom wall of the placement groove 9, and a collision gasket 19 corresponding to the storage battery block 20 is fixedly mounted on an inner top wall of the placement groove 9.
Wherein, fixed mounting has the position clamp ring 11 corresponding with battery piece 20 on the inner wall of arrangement groove 9, and it is elastic metal material to settle clamp ring 11 and conflict gasket 19, and battery piece 20's top fixed mounting has the buffering conflict piece 4 corresponding with conflict gasket 19, settles clamp ring 11 and conflict gasket 19 and constitutes the centre gripping subassembly, and the centre gripping subassembly can be replaced by other structures that technical staff in the field can arrive easily, and need explain that the centre gripping subassembly must constitute for non-combustible material.
In order to improve the protection performance of the equipment, the protection box 1 is uniformly provided with a placement groove 9 corresponding to each storage battery block 20, and an explosion-proof interlayer 10 is fixedly arranged inside the inner wall of the placement groove 9.
It should be noted that, the fire extinguishing mechanism includes the pressurization storage bin 7 that is located protection box 1 inside, be provided with on the pressurization storage bin 7 and hold the feed bin 7 with the pressurization and be linked together and extend to the inside shower nozzle 12 of putting in place of 9, the inside fixed mounting of protection box 1 has the storage tank 5 corresponding with pressurization storage bin 7, storage tank 5 and pressurization storage bin 7 are linked together and are located fixed mounting and have booster pump machine 6, pressurization storage bin 7 is fixed mounting each other has communicating pipe 8, inlet pipe 16 corresponding with storage tank 5 has been seted up on the left side of protection box 1.
Wherein, the shower nozzle 12 of putting out a fire is located attach fitting 18 directly over, because the battery junction, it is ageing and impaired easily, so be the place that has potential danger most, when the shower nozzle 12 of putting out a fire was located the top, can put out a fire to this department the very first time, avoid the intensity of a fire to spread, influence other parts, storage tank 5 holds the inside fire extinguishing substance in feed bin 7 with the pressurization simultaneously and is the aerosol, and the inside aerosol of feed bin 7 is held in the pressurization is in high-pressure state, under the condition that the shower nozzle 12 of putting out a fire was triggered, the blowout action that the aerosol can be quick is in the burning things which may cause a fire disaster.
In the embodiment, after the aerosol is started to be sprayed, in the processes of hot melting and gasification, multiple functions of high-efficiency fire extinguishing, re-combustion inhibition and effective cooling are achieved in a full-flooding mode through the action mechanisms of chemical oxygen consumption, physical oxygen isolation and heat absorption cooling, and the aerosol is almost free of residue after being sprayed, environment-friendly, free of corrosion, free of damage to a lithium battery and free of pollution to the environment.
It should be noted that, when the storage battery block 20 in the placement groove 9 has a problem and burns, the fire extinguishing nozzle 12 on the pressurization storage bin 7 is opened under the action of the automatic trigger mechanism, then the storage battery block 20 in the placement groove 9 is extinguished, after the aerosol in the corresponding pressurization storage bin 7 is completely sprayed, the aerosol can be transferred from the interiors of other pressurization storage bins 7 under the action of pressure, and finally the automatic trigger mechanism can start the pressurization pump 6 to pump out the standby fire extinguishing aerosol in the storage tank 5, so as to further extinguish fire, thereby effectively improving the safety protection performance of the equipment.
In this embodiment, the automatic triggering mechanism includes an infrared flame detector 13 located on the side wall of the installation groove 9, a controller 2 corresponding to the infrared flame detector 13 is fixedly installed inside the protection box 1, a self-control valve 14 is fixedly installed inside the fire extinguishing nozzle 12, and the self-control valve 14 is electrically connected with the controller 2 through a connecting wire 15.
Wherein, the output of controller 2 is connected with the input of automatic control valve 14 electricity, and the input of controller 2 is connected with the output of infrared flame detector 13 electricity, and the top fixed mounting of protective housing 1 has external interface 17.
It should be noted that the self-control valve 14 is a butterfly valve, or other structures that can be easily conceived by those skilled in the art, and it should be noted that the self-control valve 14 must be made of a material with a melting point of 300-.
In order to avoid the situation that the circuit is damaged to cause the automatic triggering mechanism to be incapable of being normally triggered, the melting point of the automatic control valve 14 is 300-500 ℃, so that the phenomenon that the automatic triggering mechanism is damaged to cause the aerosol to be incapable of being normally sprayed when the equipment is on fire can be effectively avoided, the melting point of the automatic control valve 14 is 300-500 ℃, and when a fire source occurs, the automatic control valve 14 can be melted under the action of high temperature, so that the aerosol is normally sprayed out, and the fire extinguishing effect is realized.
In this embodiment, the emergency alarm mechanism includes the alarm indicator lamp 3 electrically connected with the controller 2, the alarm indicator lamp 3 corresponds to the number and position of the placing groove 9, and the alarm indicator lamp 3 is electrically connected with the infrared flame detector 13, and the emergency alarm mechanism further includes a wireless signal transmitter and a buzzer, so that the abnormal signal inside the device can be transmitted, and meanwhile, the sound and light can remind the user of paying attention to the occurrence of the condition.
When the fire extinguishing device is used, the fire extinguishing device, the emergency alarm device and the automatic trigger device corresponding to the fire extinguishing device are arranged, when a fire source occurs, the fire source can be detected for the first time through the infrared flame detector 13, then the fire extinguishing nozzle 12 is triggered through the controller 2, aerosol inside the pressurizing storage bin 7 and the storage tank 5 is sprayed out to act on the fire source, the fire is quickly extinguished, meanwhile, the emergency alarm device attracts the attention of a user to extinguish the fire as soon as possible, the melting point of the automatic control valve 14 is set to be 300-500 ℃, and when the fire source occurs, the automatic control valve 14 can be melted under the action of high temperature, so that the aerosol can be normally sprayed out, and the fire extinguishing effect is realized.
The beneficial effects of the above embodiment are as follows:
the lithium battery box protection device is provided with a fire extinguishing mechanism, an emergency alarm mechanism and an automatic trigger mechanism which correspond to the fire extinguishing mechanism, when a fire source occurs, the fire source can be detected by the infrared flame detector 13 for the first time, then the controller 2 triggers the fire extinguishing nozzle 12 to spray the aerosol inside the pressurizing storage bin 7 and the storage tank 5 to act on the fire source for quickly extinguishing fire, meanwhile, the emergency alarm mechanism attracts the attention of a user to extinguish the fire as soon as possible, the melting point of the automatic control valve 14 is set to be 300-500 ℃, when a fire source occurs, the automatic control valve 14 can be melted under the action of high temperature, so that aerosol can be normally sprayed out, thereby realize the effect of putting out a fire, the inside fixed mounting of inner wall of resettlement groove 9 has explosion-proof intermediate layer 10 simultaneously, can avoid the explosion and influence other batteries, causes bigger danger.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. The utility model provides a lithium battery box protector, includes protective housing (1), place groove (9) have evenly been seted up to the inside of protective housing (1), the inside movable mounting of place groove (9) has battery piece (20), a serial communication port, the inside fixed mounting of protective housing (1) has the mechanism of putting out a fire, the inside fixed mounting of protective housing (1) has the emergency alarm mechanism and the automatic trigger mechanism corresponding with the mechanism of putting out a fire, fixed mounting has on the interior diapire of place groove (9) and holds battery piece (20) corresponding attach fitting (18), fixed mounting has on the interior roof of place groove (9) and holds battery piece (20) corresponding conflict gasket (19).
2. The lithium battery box protection device according to claim 1, wherein the inner wall of the placement groove (9) is fixedly provided with a placement clamping ring (11) corresponding to the storage battery block (20), the placement clamping ring (11) and the collision gasket (19) are both made of elastic metal materials, and the top of the storage battery block (20) is fixedly provided with a buffer collision block (4) corresponding to the collision gasket (19).
3. The lithium battery box protection device according to claim 2, characterized in that the protection box (1) is provided with a placement groove (9) corresponding to each battery block (20) uniformly, and an explosion-proof interlayer (10) is fixedly arranged inside the inner wall of the placement groove (9).
4. The lithium battery box protection device according to claim 3, wherein the fire extinguishing mechanism comprises a pressurizing storage bin (7) located inside the protection box (1), the pressurizing storage bin (7) is provided with a fire extinguishing nozzle (12) communicated with the pressurizing storage bin (7) and extending to the inside of the placing groove (9), the inside of the protection box (1) is fixedly provided with a storage groove (5) corresponding to the pressurizing storage bin (7), the storage groove (5) is fixedly provided with a pressurizing pump (6) communicated with the pressurizing storage bin (7), the pressurizing storage bin (7) is fixedly provided with a communicating pipe (8), and the left side of the protection box (1) is provided with an inlet pipe (16) corresponding to the storage groove (5).
5. The lithium battery box protection device according to claim 4, wherein the fire extinguishing nozzle (12) is located right above the connection joint (18), the storage tank (5) and the pressurized storage bin (7) are filled with aerosol, and the aerosol inside the pressurized storage bin (7) is in a high-pressure state.
6. The lithium battery box protection device according to claim 5, wherein the automatic trigger mechanism comprises an infrared flame detector (13) located on the side wall of the placement groove (9), a controller (2) corresponding to the infrared flame detector (13) is fixedly installed inside the protection box (1), an automatic control valve (14) is fixedly installed inside the fire extinguishing nozzle (12), and the automatic control valve (14) is electrically connected with the controller (2) through a connecting wire (15).
7. The lithium battery box protection device according to claim 6, wherein the output end of the controller (2) is electrically connected with the input end of the automatic control valve (14), the input end of the controller (2) is electrically connected with the output end of the infrared flame detector (13), and an external interface (17) is fixedly installed at the top of the protection box (1).
8. The lithium battery box protection device as claimed in claim 7, wherein the automatic control valve (14) is a butterfly valve, and the automatic control valve (14) is made of plastic material with a melting point of 300-500 ℃.
9. The lithium battery box protection device according to claim 8, wherein the emergency alarm mechanism comprises alarm indicator lamps (3) electrically connected with the controller (2), the alarm indicator lamps (3) correspond to the number and the positions of the placing grooves (9), the alarm indicator lamps (3) are electrically connected with the infrared flame detector (13), and the emergency alarm mechanism further comprises a wireless signal transmitter and a buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121217666.4U CN215195147U (en) | 2021-06-02 | 2021-06-02 | Lithium battery box protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121217666.4U CN215195147U (en) | 2021-06-02 | 2021-06-02 | Lithium battery box protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215195147U true CN215195147U (en) | 2021-12-17 |
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ID=79422943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121217666.4U Active CN215195147U (en) | 2021-06-02 | 2021-06-02 | Lithium battery box protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215195147U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114497814A (en) * | 2022-04-18 | 2022-05-13 | 深圳市尚亿芯科技有限公司 | Lithium battery box with automatic fire extinguishing and explosion preventing functions |
-
2021
- 2021-06-02 CN CN202121217666.4U patent/CN215195147U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114497814A (en) * | 2022-04-18 | 2022-05-13 | 深圳市尚亿芯科技有限公司 | Lithium battery box with automatic fire extinguishing and explosion preventing functions |
| CN114497814B (en) * | 2022-04-18 | 2022-07-01 | 深圳市尚亿芯科技有限公司 | Lithium battery box with automatic fire extinguishing and explosion preventing functions |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240202 Address after: Room 606, 6th Floor, Building 2, No. 7 Jinghai Road, Beijing Economic and Technological Development Zone, Tongzhou District, Beijing, 101100 Patentee after: BEIJING VSAIL FIRE PRODUCTION EQUIPMENT CO.,LTD. Country or region after: China Patentee after: Tianjin fosser Intelligent Fire Technology Co.,Ltd. Patentee after: Three Gorges Intelligent Engineering Co.,Ltd. Address before: 100176 Room 606, 6 / F, building 2, yard 7, Jinghai Road, Beijing Economic and Technological Development Zone, Beijing Patentee before: BEIJING VSAIL FIRE PRODUCTION EQUIPMENT CO.,LTD. Country or region before: China |
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| TR01 | Transfer of patent right |