CN216034922U - Marine throwing type battery cabin based on quick response technology - Google Patents
Marine throwing type battery cabin based on quick response technology Download PDFInfo
- Publication number
- CN216034922U CN216034922U CN202122493637.7U CN202122493637U CN216034922U CN 216034922 U CN216034922 U CN 216034922U CN 202122493637 U CN202122493637 U CN 202122493637U CN 216034922 U CN216034922 U CN 216034922U
- Authority
- CN
- China
- Prior art keywords
- battery compartment
- battery
- base
- compartment body
- marine
- 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.)
- Active
Links
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
- Battery Mounting, Suspending (AREA)
Abstract
The utility model relates to a marine throwing-down type battery compartment based on a quick response technology, which is characterized by comprising a battery compartment body for supplying power to ship equipment and a battery compartment base with an inclined top surface, wherein the battery compartment base is arranged on a deck of a ship, the battery compartment body is arranged on the inclined surface of the battery compartment base, and the battery compartment body can slide out of the ship along the inclined surface of the battery compartment base and then is thrown into water in a free falling body mode. The utility model has the beneficial effects that: the fire battery compartment can automatically respond and alarm, different coping methods are provided for different fires, meanwhile, when an uncontrollable fire is existed, the damage can be immediately stopped, and the subsequent recovery can be realized, so that pollution diffusion is avoided.
Description
Technical Field
The utility model relates to a battery compartment which can immediately respond to disaster conditions in the running process of a ship and automatically drops when a fire disaster is uncontrollable, and relates to the field of marine batteries.
Background
"green, intelligent, polar, deep sea" is the latest direction of current civil ship technology development, and green ships have become the choice of more and more shipowners. The complete zero emission solution taking the storage battery and fuel cell technology as the ship power is gradually popularized in the field of shipping and has the market scale at first. In addition, many shipboard devices also require battery power. However, in the case of dealing with fire, the lithium battery widely used at present cannot spontaneously judge the temperature change inside the battery, and the protection measures are weak. Taking a lithium battery widely used at present as an example, the lithium itself belongs to combustible materials, and the lithium battery can cause the rupture of the separation membrane when being extruded, punctured and heated, and the lithium battery can release huge heat instantly. After the ternary lithium ion battery pack is punctured and short-circuited, the whole battery pack can be ignited within 3 seconds, and a large amount of oxygen is released, so that explosion and large-area fire are caused. Besides external factors, when the inside of the storage battery is spontaneously combusted, chemical substances leak, so that toxic gas is discharged, and the ship body is corroded by the ocean. After the accident happens, because of the storage battery connects the ship, be difficult to the very first time put out the fire source, the secondary calamity takes place, causes bigger influence to boats and ships, goods and environment. Therefore, it is very important to take measures for protecting the battery from fire, and to take measures for spontaneously detecting and immediately reflecting the battery state and preventing the occurrence of secondary disaster after the fire occurs.
Disclosure of Invention
The purpose of the utility model is: design one and can spontaneous detection conflagration situation and make quick response to reply different degree conflagrations, make different reply, effectively prevent the battery compartment that secondary disaster took place.
In order to achieve the above object, the technical solution of the present invention is to provide a boat-used drop-out battery compartment based on a rapid response technology, which is characterized by comprising a battery compartment body for supplying power to boat equipment and a battery compartment base with an inclined top surface, wherein the battery compartment base is arranged on a deck of a boat, the battery compartment body is arranged on the inclined surface of the battery compartment base, the battery compartment body can slide out of the boat along the inclined surface of the battery compartment base and then be thrown into water in a free-falling body manner, and the rear end and the front end of the battery compartment body arranged on the battery compartment base are respectively located at a high position and a low position, and the method comprises the following steps:
the front part of the battery compartment base is provided with a front baffle plate, the state of which can be switched between a locking state and an opening state, and when the front baffle plate is in the locking state, the front baffle plate props against the front end of the battery compartment body so as to prevent the battery compartment body from sliding outwards through the inclined plane of the battery compartment base; when the front baffle is in an opening state, the front baffle is separated from the battery compartment body, and the battery compartment body can freely slide out through the inclined plane of the battery compartment base;
the battery compartment body is also provided with an initial speed acquisition mechanism for giving an initial acceleration to the battery compartment body in a fire uncontrollable state.
Preferably, the battery compartment base is located at the rear of the deck.
Preferably, the battery compartment base is located on the side of the deck.
Preferably, the battery compartment recycling device is arranged on the deck and connected with the rear end of the battery compartment body.
Preferably, the battery compartment recovery device comprises a cable guide drum and a winch, one end of the rope is connected with the rear end of the battery compartment body, and the other end of the rope is wound on the winch after passing through the cable guide drum.
Preferably, the left side and the right side of the top surface of the battery compartment base are respectively provided with at least one side baffle, and all the side baffles are positioned on the left side and the right side of the battery compartment body and used for limiting the displacement of the battery compartment body in the left-right direction.
Preferably, the initial speed obtaining mechanism comprises high-pressure gas cylinders arranged on the left side and the right side of the battery compartment body, high-pressure gas is stored in the high-pressure gas cylinders, and the high-pressure gas cylinders are provided with openable injection ports which face the rear direction.
Preferably, external temperature and pressure sensors are arranged on the periphery of the base of the battery compartment and connected with an existing fire monitoring and alarming system of the ship.
Preferably, the battery compartment body comprises a housing, a BMS system and a plurality of containment vessels are arranged in the housing, the space inside the housing is divided into a plurality of battery module mounting spaces by the containment vessels, one battery module and a plurality of internal temperature and pressure sensors are arranged in each battery module mounting space, and two adjacent battery modules are mutually separated by the containment vessels; a battery cell is packaged in each battery module, and the battery cell, an internal temperature sensor and an internal pressure sensor are electrically connected with a BMS system; the top in the shell is also provided with a pressure water mist system connected with the BMS system, and the BMS system establishes data communication with the existing control system of the ship.
Preferably, the front end of the shell adopts a streamline shape.
Compared with the traditional storage battery pack, the utility model adopts a layered safety barrier and a throwing-down type treatment mode. Compared with single battery protection, the fixed storage battery pack solves the problems that the fire protection is not flexible and secondary disasters are easy to cause. Based on the quick response technology, the battery compartment can automatically infer the fire degree and give an alarm in case of a disaster, and the battery compartment can be used as a coping means. Multiple safety barriers provide sufficient protection of the battery from fire. And when the fire is in an uncontrollable state, the fire can be far away from the ship by a throwing-down means, so that secondary disasters are avoided, and the safety of the ship and goods is protected.
The utility model has the beneficial effects that: the fire battery compartment can automatically respond and alarm, different coping methods are provided for different fires, meanwhile, when an uncontrollable fire is existed, the damage can be immediately stopped, and the subsequent recovery can be realized, so that pollution diffusion is avoided.
Drawings
FIG. 1 is a top view of a boat body structure adopting a tail-throwing type and a battery cabin arrangement position of a battery cabin disclosed in embodiment 1;
FIG. 2 is a side view of the arrangement position of the battery compartment and the hull structure adopting the tail-throwing type disclosed in the embodiment 1;
FIGS. 3 and 4 are schematic views of a battery compartment body;
fig. 5 is a plan view of the boat body structure adopting the side-throwing type battery compartment and the arrangement position of the battery compartment disclosed in embodiment 2;
fig. 6 is a side view of the battery compartment disclosed in example 2, in which a side-throwing type hull structure is adopted, and the battery compartment is arranged.
Detailed Description
The utility model will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
Example 1
The embodiment discloses a marine throwing-down type battery compartment based on a quick response technology, which can respond and deal with different degrees of fire, and comprises a battery compartment body 1 and a battery compartment base 2 with an inclined top surface. The inclined plane of the battery compartment base 2 is provided with a battery compartment body 1, the battery compartment body 1 supplies power for the ship equipment, and the battery compartment base 2 is fixed on a deck. In this embodiment, the battery compartment base 2 is disposed at the rear of the deck.
The battery compartment body 1 is arranged on the battery compartment base 2, the rear end of the battery compartment body is located at a high position, the front end of the battery compartment body is located at a low position, the rear end of the battery compartment body 1 is connected with one end of the rope 3, in the embodiment, the rear end of the battery compartment body 1 is provided with the lifting lug 10, and one end of the rope 3 is fixedly connected with the lifting lug 10. The other end of the rope 3 is wound on a winch 5 after passing through a guide cable drum 4, the winch 5 can be manually controlled to take in and pay off the rope 3, and the winch 5 can also be controlled to take in and pay off the rope 3 by an existing control system of the ship. The winches 5 for manually winding and unwinding the rope 3 and the winches 5 for automatically winding and unwinding the rope 3 are conventional devices known to those skilled in the art and will not be described in detail herein.
The left side and the right side of the top surface of the battery compartment base 2 are respectively provided with at least one side baffle 6, and the side baffles 6 are positioned on the left side and the right side of the battery compartment body 1 and used for limiting the displacement of the battery compartment body 1 in the left-right direction.
Referring to fig. 3, a front flap 7 is provided at the front of the battery compartment base 2, and the state of the front flap 7 can be switched between a closed state and an open state under the control of the existing control system of the ship. When the front baffle 7 is in a locking state, the front baffle 7 props against the front end of the battery compartment body 1 to prevent the battery compartment body 1 from sliding outwards through the inclined surface of the battery compartment base 2; when the front baffle 7 is in the open state, the front baffle 7 is separated from the battery compartment body 1, and the battery compartment body 1 can freely slide out through the inclined plane of the battery compartment base 2. The structure of the front baffle 7 can refer to a conventional pneumatic shutter, the front baffle 7 in a locking state is not switched to an opening state through a spring, when the front baffle 7 needs to be switched to the opening state, the front baffle 7 can be ejected out by driving a pneumatic rod through an air cylinder, and at the moment, the front baffle 7 can be switched to the opening state by overcoming the action of the spring. Of course, after reading the disclosure of the present invention, the skilled person can also switch the state of the front bezel 7 in other well-known ways, which will not be described herein.
The left side and the right side of the battery compartment body 1 are respectively provided with a high-pressure gas cylinder 8, the injection port 8-1 of the high-pressure gas cylinder 8 is opened and closed under the control of the existing control system of the ship, and the control system can control the opening and closing of the injection port 8-1 by means well known by technicians in the field such as an emergency pneumatic valve and the like, and the details are not repeated.
The external temperature and pressure sensors 9 are arranged on the periphery of the battery compartment base 2, the external temperature and pressure sensors 9 are connected with the existing fire monitoring and alarming system of the ship, and the fire monitoring and alarming systems of different types can be configured on the ship aiming at different types of batteries in the battery compartment body 1.
With reference to fig. 3 and 4, the battery compartment body 1 supplies power to the power consuming equipment on the ship, a power supply contact may be disposed on the battery compartment body 1, a contact piece is disposed on the top surface of the battery compartment base 2, the contact piece is communicated with the power consuming equipment circuit on the ship, and after the power supply contact is contacted with the contact piece, the power supply of the battery compartment body 1 to the power consuming equipment is realized. In this embodiment, the battery compartment body 1 includes a housing 1-1. The front end of the shell 1-1 adopts a streamline shape to reduce resistance, increase buoyancy, reduce the impact on the battery compartment body 1 when the battery compartment body 1 falls into water and protect the safety of the battery compartment body 1. A BMS system 1-2 (a "battery management system" well known to those skilled in the art) and a plurality of safety housings 1-3 are provided in the housing 1-1, and the space inside the housing 1-1 is partitioned into a plurality of battery module installation spaces by the safety housings 1-3, each of which has a battery module 1-4 and a plurality of internal temperature and pressure sensors 1-5 therein. Two adjacent battery modules 1-4 are separated from each other by a safety shell 1-3. Each battery module is internally provided with a battery core in a sealing way, and is provided with a power supply interface, a charging interface, a battery state detection interface and the like so as to meet the requirements of battery charging and discharging and state detection. The power supply interface and the charging interface are connected with the battery cores 1-4, and the external power supply and charging of the current battery module can be realized through the contact point and contact piece structures. The battery state detection interface is connected with the BMS system 1-2, and the BMS system 1-2 is also connected with the power supply interface and the charging interface.
The top of the interior of the housing 1-1 is provided with a pressurized water mist system (not shown) connected to the BMS system 1-2, which is well known to those skilled in the art and will not be described herein. The BMS system 1-2 establishes data communication with the existing control system of the ship, and the BMS system 1-2 can be electrically connected with the existing control system of the ship by adopting the contact and contact structure.
The present invention provides triple safety barriers and connects existing fire alarm systems and fire suppression systems of ships. The utility model adopts the layered safety barrier based on the quick response technology, deals with the fire disasters with different degrees, and can respond spontaneously and make different deals. Meanwhile, under the condition that the disaster is uncontrollable, the battery cabin body 1 can be thrown off from the cabin, so that damage is stopped in time, and the safety of ships and goods is ensured. Specifically, the method comprises the following steps:
under normal conditions, the front baffle 7 is in a locked state to prevent the battery compartment body 1 from sliding outwards through the inclined surface of the battery compartment base 2, and the battery compartment body 1 is statically fixed on the battery compartment base 2. If a fire disaster occurs on the deck, the shell 1-1 is heated firstly, the external temperature and pressure sensor 9 senses the environmental change and transmits a signal to the fire disaster monitoring and alarming system. The fire monitoring and alarming system carries out multiple judgment on whether the fire monitoring and alarming system is triggered by mistake, if not, the fire monitoring and alarming system sends out a photoacoustic alarm and drives the fire extinguishing system on the deck to release a fire extinguishing agent, and the cabin ventilation system is opened to extinguish the fire and reduce the temperature.
When the internal temperature of the battery in the battery cabin body 1 rises, the BMS system 1-2 monitors the running temperature of the battery in real time, gives an alarm prompt and cuts off power supply once the temperature is found to be higher than the upper limit of the normal temperature, so that the battery module 1-4 is shut down, and personnel in a ship are informed to replace the battery module. When the single battery module 1-4 has spontaneous combustion phenomenon, after the temperature is judged to be higher than the specified value through the internal temperature and the pressure sensor 1-5, the BMS system 1-2 sends a signal to the connected pressure water mist system to spray for local fire extinguishing, and the whole containment 1-3 is replaced after the fire extinguishing is successful.
When a plurality of battery modules 1-4 are in a thermal runaway state, the whole battery compartment body 1 is firstly put out a fire: the fire extinguishing system on the deck is utilized to spray fire extinguishing agent, the pressure water mist system is started, and personnel in the ship are informed of emergency situations through the fire monitoring and alarming system, and need to extinguish fire manually. If the temperature in the battery compartment body 1 cannot be controlled and overpressure occurs, the battery compartment body 1 needs to be quickly separated and thrown down. Namely, when a fire disaster is in an uncontrollable state, the battery compartment body 1 is quickly popped out and separated from the ship body, so that the battery compartment body is thrown into water through gravity. The battery compartment body 1 keeps a certain distance from the ship body in the whole throwing-off process, and the damage to the ship body in the throwing-off and burning processes is avoided.
When the dropping process is performed, the front baffle 7 is switched to the open state, and the rope 3 connected to the battery compartment body 1 is loosened. Then, the jet orifice 8-1 of the high-pressure gas cylinder 8 is opened, so that the battery compartment body 1 has an initial speed, the battery compartment body 1 slides down along the inclined plane of the battery compartment base 2, leaves the deck, and the free falling body is thrown into the river or the sea. After a while, the rope 3 is tightened to start to recover the battery compartment body 1. In this embodiment, since the battery compartment body 1 is thrown out from the tail of the ship body, the battery compartment body 1 may interfere with the blade at the stern during recovery. Therefore, personnel need to be arranged to supervise the whole recovery process at the same time, and the battery compartment body 1 is ensured to keep a sufficient distance from the blade. Since recycling is complicated, recycling problems are generally not considered in the tail-throw structure disclosed in this embodiment.
Example 2
As shown in fig. 5 and 6, the battery compartment base 2 of the throwing-down type battery compartment for a ship based on the quick response technology disclosed in the present embodiment is arranged on the deck on both sides of the ship body. Therefore, in this embodiment, the battery compartment body 1 is thrown by using a side throwing method, and compared with the tail throwing method disclosed in embodiment 1, after the side throwing method is used, the collision problem of the blades does not need to be considered when the battery compartment body 1 is recovered, and the following steps are specifically adopted during recovery:
after the battery compartment body 1 is lifted, the battery compartment body 1 is placed on the deck by a crane. The rope 3 is separated from the lifting lug 10, and the rope 3 is rapidly collected by a wire collecting device and fixed on the ship body. Personnel in the ship check whether the toxic chemical substance leaks in the battery compartment body 1: if no leakage exists or the leakage degree is relatively low, the battery module 1-4 is separated from the shell 1-1 for storage; if the leakage is serious, the whole battery compartment body 1 is isolated.
Claims (10)
1. The utility model provides a marine throwing formula battery compartment based on quick response technique, a serial communication port, including battery compartment body and the top surface for the power supply of boats and ships equipment for the battery compartment base on inclined plane, the battery compartment base is located on the deck of boats and ships, the battery compartment body is located on the inclined plane of battery compartment base, the battery compartment body can be followed behind the inclined plane roll-off boats and ships of battery compartment base and thrown into aquatic with the form of freely falling body, the rear end of the battery compartment body of establishing to be located on the battery compartment base is in the eminence, the front end is in the low place, then has:
the front part of the battery compartment base is provided with a front baffle plate, the state of which can be switched between a locking state and an opening state, and when the front baffle plate is in the locking state, the front baffle plate props against the front end of the battery compartment body so as to prevent the battery compartment body from sliding outwards through the inclined plane of the battery compartment base; when the front baffle is in an opening state, the front baffle is separated from the battery compartment body, and the battery compartment body can freely slide out through the inclined plane of the battery compartment base;
the battery compartment body is also provided with an initial speed acquisition mechanism for giving an initial acceleration to the battery compartment body in a fire uncontrollable state.
2. The marine jettison battery compartment based on the rapid response technology as claimed in claim 1, wherein the battery compartment base is located at the rear of the deck.
3. A rapid response technology based marine jettison battery pod as claimed in claim 1, wherein said battery pod base is located on the side of the deck.
4. The marine jettison type battery compartment based on the rapid response technology as claimed in claim 1, further comprising a battery compartment recycling device, wherein the battery compartment recycling device is arranged on the deck and is connected with the rear end of the battery compartment body.
5. The marine jettison type battery compartment based on the rapid response technology as claimed in claim 4, wherein the battery compartment recycling device comprises a cable guide drum and a winch, one end of a rope is connected with the rear end of the battery compartment body, and the other end of the rope is wound on the winch after passing through the cable guide drum.
6. The quick response technology-based marine jettison battery compartment as claimed in claim 1, wherein at least one side baffle is disposed on each of the left and right sides of the top surface of the battery compartment base, and all the side baffles are disposed on the left and right sides of the battery compartment body for limiting the displacement of the battery compartment body in the left-right direction.
7. The marine jettison type battery compartment based on the rapid response technology as claimed in claim 1, wherein the initial speed obtaining mechanism includes high pressure gas cylinders disposed on left and right sides of the battery compartment body, the high pressure gas cylinders storing therein high pressure gas, the high pressure gas cylinders having openable and closable injection ports, the injection ports being directed rearward.
8. The marine jettison type battery compartment based on the rapid response technology as claimed in claim 1, wherein external temperature and pressure sensors are arranged around the base of the battery compartment, and the external temperature and pressure sensors are connected with an existing fire monitoring and alarming system of a ship.
9. The quick response technology-based marine drop-out battery compartment as claimed in claim 1, wherein the battery compartment body comprises a housing, a BMS system and a plurality of containment vessels are arranged in the housing, the interior space of the housing is divided into a plurality of battery module mounting spaces by the containment vessels, one battery module and a plurality of internal temperature and pressure sensors are arranged in each battery module mounting space, and two adjacent battery modules are separated from each other by the containment vessels; a battery cell is packaged in each battery module, and the battery cell, an internal temperature sensor and an internal pressure sensor are electrically connected with a BMS system; the top in the shell is also provided with a pressure water mist system connected with the BMS system, and the BMS system establishes data communication with the existing control system of the ship.
10. The quick response technology-based marine jettison battery compartment of claim 9, wherein the front end of the housing has a streamlined shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122493637.7U CN216034922U (en) | 2021-10-15 | 2021-10-15 | Marine throwing type battery cabin based on quick response technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122493637.7U CN216034922U (en) | 2021-10-15 | 2021-10-15 | Marine throwing type battery cabin based on quick response technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216034922U true CN216034922U (en) | 2022-03-15 |
Family
ID=80549179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122493637.7U Active CN216034922U (en) | 2021-10-15 | 2021-10-15 | Marine throwing type battery cabin based on quick response technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216034922U (en) |
-
2021
- 2021-10-15 CN CN202122493637.7U patent/CN216034922U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110335438B (en) | Hydrogen fuel cell ship safety protection system and protection method | |
| CN110690513B (en) | Battery thermal runaway state detection control device and method | |
| CN109568833A (en) | A kind of anti-re-ignition automatic fire extinguisher of power battery pack and method | |
| CN207587767U (en) | A kind of lithium ion battery fireproof anti-explosion device | |
| CN104007451B (en) | Wrecked position record report device | |
| WO2013036087A2 (en) | Apparatus for extinguishing a battery-pack fire | |
| WO2014200136A1 (en) | Remote-controlled boat having lifebuoy loaded thereon | |
| CN111790083A (en) | Early warning and fire extinguishing system and method for thermal runaway of lithium ion battery | |
| TWI690350B (en) | System and method for battery fire extinguishing through flooding the battery | |
| CN204871545U (en) | Automatic come -up system of underwater robot | |
| CN213724537U (en) | Lithium ion battery water-packaging base fire prevention and control device | |
| US20140102731A1 (en) | Method for emergency cooling and extinguishing a battery of a water vehicle, battery and water vehicle | |
| CN111613842A (en) | Safety guarantee system and method for ship lithium ion power battery | |
| US11730986B2 (en) | Storage and charging system for hazardous products | |
| CN106654412A (en) | Fire treatment apparatus and method for power battery pack of electric vehicle | |
| CN216034922U (en) | Marine throwing type battery cabin based on quick response technology | |
| CN209575563U (en) | A kind of perfluor hexanone electric motor coach power lithium ion battery box fire prevention and control device | |
| CN113815774A (en) | Marine throwing-out type battery cabin based on quick response technology | |
| KR101293480B1 (en) | Apparatus to prevent vessel from sinking | |
| CN105261082A (en) | Black box intelligent land and sea amphibious positioning call-for-help device | |
| CN212416736U (en) | Twelve-bin charging and battery replacing cabinet with fire-fighting system | |
| CN112774062B (en) | Vehicle-mounted battery fire extinguishing protection system and fire extinguishing protection method | |
| CN209630480U (en) | A kind of anti-re-ignition automatic fire extinguisher of power battery pack | |
| CN110302482A (en) | A kind of perfluor hexanone electric motor coach power lithium ion battery box fire prevention and control device | |
| CN217311695U (en) | Lithium cell testing arrangement that puts out a fire |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |