CN114210001A - Intelligent solidified aerosol fire extinguishing device and fire extinguishing method - Google Patents
Intelligent solidified aerosol fire extinguishing device and fire extinguishing method Download PDFInfo
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- CN114210001A CN114210001A CN202111471513.7A CN202111471513A CN114210001A CN 114210001 A CN114210001 A CN 114210001A CN 202111471513 A CN202111471513 A CN 202111471513A CN 114210001 A CN114210001 A CN 114210001A
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- 239000000443 aerosol Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000004891 communication Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 239000008275 solid aerosol Substances 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 239000003814 drug Substances 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 239000004831 Hot glue Substances 0.000 claims description 3
- FMRLDPWIRHBCCC-UHFFFAOYSA-L Zinc carbonate Chemical compound [Zn+2].[O-]C([O-])=O FMRLDPWIRHBCCC-UHFFFAOYSA-L 0.000 claims description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- 239000002360 explosive Substances 0.000 claims description 3
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims description 3
- 239000001095 magnesium carbonate Substances 0.000 claims description 3
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000011667 zinc carbonate Substances 0.000 claims description 3
- 229910000010 zinc carbonate Inorganic materials 0.000 claims description 3
- 235000004416 zinc carbonate Nutrition 0.000 claims description 3
- 230000004913 activation Effects 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 238000007711 solidification Methods 0.000 claims description 2
- 230000008023 solidification Effects 0.000 claims description 2
- 210000000056 organ Anatomy 0.000 claims 4
- 230000005059 dormancy Effects 0.000 claims 1
- 230000002265 prevention Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C5/00—Making of fire-extinguishing materials immediately before use
- A62C5/006—Extinguishants produced by combustion
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/05—Nozzles specially adapted for fire-extinguishing with two or more outlets
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
- A62C37/10—Releasing means, e.g. electrically released
- A62C37/11—Releasing means, e.g. electrically released heat-sensitive
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Electromagnetism (AREA)
- Fire Alarms (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses an intelligent solidified aerosol fire extinguishing device which comprises a fire extinguishing device main body, a controller and a background management system, wherein the fire extinguishing device main body is connected with the controller through a wire harness, the controller and the background management system are in information transmission through 5G, the controller is provided with a wireless communication module, a single chip microcomputer, a fixed power supply and a satellite positioning module, the single chip microcomputer controls the starting time of the satellite positioning module, the wireless communication module is used for signal connection between the controller and the background management system, the satellite positioning module is used for realizing accurate positioning of the controller and the fire extinguishing device main body, the early warning function of the fire extinguishing device is increased by carrying out remote control on the fire extinguishing device, a user can conveniently and quickly process the fire, secondary fire is prevented, and fire extinguishing safety is greatly improved.
Description
Technical Field
The invention relates to an intelligent solidified aerosol fire extinguishing device and a fire extinguishing method.
Background
The fire is generated frequently, such as: line aging, combustible combustion, gas leakage, artificial pilot fire, which can all cause fire; the fire disaster can cause the loss of personnel and economy, so that the fire prevention is important, and how to eliminate the fire disaster in a bud state is an important problem for enterprises and families; with the development investment, a large number of fire extinguishing devices are generated, one of which is an aerosol fire extinguishing device, and extinguishes fire by sensing temperature through a thermosensitive wire and igniting aerosol; however, the existing aerosol fire extinguishing devices are still relatively large in size and cannot meet the requirements of multiple fields, such as televisions, computers and other equipment or devices with compact structures and small internal spaces; meanwhile, the fire extinguishing devices can not carry out fire early warning, the generated fire condition can not be fed back to a user or an individual after the fire extinguishing is automatically finished, and when the aerosol does not finish the fire extinguishing once, if an early warning signal is not sent out in time, secondary fire is probably generated; in order to solve the above problems, it is necessary to develop a miniature aerosol fire extinguishing apparatus and a fire extinguishing system to solve the problems.
Disclosure of Invention
The invention aims to solve the technical problems of providing an intelligent solidified aerosol fire extinguishing device and a fire extinguishing method which are convenient to use, simple to operate, convenient to install, capable of being installed in places with narrow space, capable of solving the problem of fire prevention of some special equipment, capable of quickly extinguishing fire sources, eliminating the fire in a bud state, preventing the expansion of the fire, improving the safety level, long in storage time, free of harmful substance residues after fire extinguishment, beneficial to environmental protection, capable of sending out early warning signals when the fire occurs, positioning fire occurrence points, and capable of preventing and solving the problem of secondary fire occurrence through the early warning signals, and practical and widely used.
In order to solve the problems, the invention adopts the following technical scheme:
the utility model provides an intelligence solidification aerosol extinguishing device, extinguishing device main part, controller and backstage management system adopt the pencil to be connected between extinguishing device main part and the controller, adopt 5G to carry out information transmission between controller and the backstage management system, be equipped with wireless communication module, singlechip, fixed power supply and satellite positioning module on the controller, singlechip control satellite positioning module activation time, fixed power supply provides required electric quantity for controller work, and wireless communication module is used for the signal connection between controller and the backstage management system, and satellite positioning module is used for realizing the accurate location of controller and extinguishing device main part, wireless communication module has independent UID.
Preferably, the inner wall of the fire extinguishing device main body is provided with a heat insulation agent layer, and the heat insulation agent layer consists of 20% of calcium carbonate, 32% of magnesium carbonate, 45% of zinc carbonate and 3% of adhesive.
Preferably, a thermosensitive wire and solid aerosol are arranged inside the fire extinguishing device main body, one end of the thermosensitive wire is connected with a medicine bag and a feedback sheet, the feedback sheet is connected with a wire harness, and one end of the wire harness is connected with the controller.
Preferably, the fire extinguishing device is internally provided with a metal net, and the metal net is arranged on the outer side of the solid aerosol.
Preferably, the controller is internally provided with a buzzer, the singlechip controls the buzzer to work, when the buzzer does not work, the buzzer is in a dormant state, and when the feedback piece transmits fire information to the controller, the singlechip starts the buzzer to work and gives out sound alarm.
Preferably, the background management system is provided with an independent APP program, and a user can position the vehicle through the APP program.
A fire extinguishing method of an intelligent solidified aerosol fire extinguishing device comprises the following steps:
1) glue with high bonding strength is coated on the side surfaces of the rear sections of the base and the shell, and the fire extinguishing device is fixed under the action of the glue;
2) when the temperature near the installation point reaches the starting temperature of the thermal wire or open fire occurs, the thermal wire is started, the ignition head works and ignites the explosive package, so that the solid hot melt adhesive quickly generates the nano aerosol fire extinguishing agent and is sprayed out from the spray opening to finish fire extinguishing in a certain area range;
3) when the fire extinguishing device is started to automatically extinguish fire, the feedback sheet carries out information feedback under the action of the wire harness, the information is transmitted to the controller, the controller is in contact with the background management system through the wireless communication module (5G), the background management system positions a fire point through the UID and the satellite positioning module, and the background management system informs a user of the feedback information and the fire point in the modes of short messages, telephones and the like, reminds the user of further processing and prevents fire expansion.
And when the user does not respond in the step 3), the background management system actively sends a request for assisting fire extinguishing short message to the user in the area of 200 m of the fire point.
When a plurality of fire extinguishing devices are arranged in a closed area where a fire point is located, when any two fire extinguishing devices are in a fire extinguishing state, all the fire extinguishing devices in the area are linked to realize fire extinguishing operation.
When the fire is found actively, the background management system controls the fire extinguishing device main body to conduct fire extinguishing operation actively through a 5G communication mode.
The invention has the beneficial effects that: convenient to use, easy operation, the installation of being convenient for, can install in the narrow and small place in space, solve some special equipment conflagration prevention problems, can put out the fire source rapidly, eliminate the conflagration at the sprouting state, the enlargement of prevention conflagration improves the security level, the save time is long simultaneously, there is not harmful substance to remain after putting out a fire, do benefit to the environmental protection, can send early warning signal when conflagration produces simultaneously, fix a position conflagration emergence point, through the problem that early warning signal prevention and solution secondary conflagration took place, the universality of practicality and use has.
Drawings
In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, but the protection scope of the present invention is not limited.
FIG. 1 is a schematic diagram of the principles of the present invention;
FIG. 2 is a schematic structural diagram of an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of an embodiment of the present invention;
FIG. 4 is a schematic view of a metal mesh structure according to an embodiment of the present invention;
FIG. 5 is a schematic view of an exemplary embodiment of a spray position;
FIG. 6 is a schematic diagram of an overall structure of the present invention;
the device comprises a shell, a thermosensitive wire, a spraying hole, a penetrating hole, a base, a solid aerosol, a medicine bag, a feedback sheet and a metal net, wherein the shell is 1, the thermosensitive wire is 2, the spraying hole is 3, the penetrating hole is 4, the base is 5, the solid aerosol is 6, the medicine bag is 7, the feedback sheet is 8, and the metal net is 9.
Detailed Description
Referring to fig. 1 to 6, an intelligent solidified aerosol fire extinguishing apparatus comprises a fire extinguishing apparatus main body, a controller and a background management system, wherein the fire extinguishing apparatus main body is connected with the controller through a wire harness, the controller is in information transmission with the background management system through 5G, the controller is provided with a wireless communication module, a single chip microcomputer, a fixed power supply and a satellite positioning module, the single chip microcomputer controls the starting time of the satellite positioning module, the fixed power supply provides required electric quantity for the controller to work, the wireless communication module is used for signal connection between the controller and the background management system, the satellite positioning module is used for realizing accurate positioning of the controller and the fire extinguishing apparatus main body, the wireless communication module is provided with an independent UID, preferably, the inner wall of the fire extinguishing apparatus main body is provided with a heat insulation preparation layer, and the heat insulation preparation layer is composed of 20% of calcium carbonate, 32% of magnesium carbonate, 45% of zinc carbonate and 3% of binder.
Furthermore, a thermosensitive wire and solid aerosol are arranged inside the fire extinguishing device main body, one end of the thermosensitive wire is connected with a medicine bag and a feedback sheet, the feedback sheet is connected with a wire harness, and one end of the wire harness is connected with the controller; the quick transmission of fire early warning information is realized through the action of the feedback sheet, and the purpose of early warning is achieved.
Furthermore, a metal net is arranged inside the fire extinguishing device and is arranged on the outer side of the solid aerosol; through using the metal mesh to cool off, reduced the occupation to the space, reduced extinguishing device's volume for application scope is wider, has changed and has need add the coolant in the past and carry out refrigerated mode.
Further, a buzzer is arranged inside the controller, the singlechip controls the buzzer to work, when the buzzer does not work, the buzzer is in a dormant state, and when the feedback sheet transmits fire information to the controller, the singlechip starts the buzzer to work and gives out sound alarm; through the design, the function of rapid alarm is realized, the attention of nearby or surrounding people is attracted through sound, and the fire disaster is conveniently and rapidly treated.
Further, backstage management system is equipped with independent APP procedure, and the user can fix a position the vehicle through the APP procedure, and indirect the use that has made things convenient for the crowd.
The first embodiment of the invention:
the fire extinguishing device comprises a main body and a fire extinguishing device, wherein the main body comprises a shell 1, a heat-sensitive wire 2, a base 5 and a solid aerosol 6, a cavity is formed between the shell 1 and the base 5, the solid aerosol 6 is arranged in the cavity, one end of the heat-sensitive wire 2 is connected with a drug package 7 and a feedback sheet 8, the feedback sheet 8 is connected with a wire harness, one end of the wire harness is connected with a controller, the drug package 7 is in contact with the solid aerosol 6, the shell 1 is divided into a front section and a rear section, the rear section extends outwards and is vertical to the front section, the diameter of the front section is 50.5mm, the diameter of the rear section is 60.5mm, and the thickness of the shell 1 is 14 mm; the front surface of the shell 1 is provided with an injection hole 3 and a plurality of through holes 4, the diameter of the injection hole 3 is 4mm, the diameter of the through hole 4 is 8mm, the injection holes 3 are arranged around the through holes 4, and the thermosensitive wire 2 is arranged in the through holes 4; the inside of cavity is equipped with metal mesh 9, and metal mesh 9 sets up between jet orifice 3 and solid aerosol 6.
Further, the protection range of the solid aerosol 6 is 0.2m3。
Further, the spraying time of the solid aerosol 6 is less than or equal to 5S.
Further, the fixing mode of the fire extinguishing device main body is glue pasting and fixing.
The small fire extinguishing device can be used in places with small space, such as automobiles, household appliances, power distribution facilities and the like.
The conventional structure of the ignition head and the heat-sensitive wire of the present invention will not be described in detail.
When the fire extinguishing device is used, glue with high bonding strength is coated on the side faces of the rear sections of the base and the shell, the fire extinguishing device is fixed under the action of the glue, when the temperature near the installation point reaches the starting temperature of the thermosensitive wire or open fire occurs, the thermosensitive wire is started, the ignition head works and ignites the explosive package, so that the solid hot melt adhesive quickly generates the nano aerosol fire extinguishing agent and is sprayed out from the spray opening to finish fire extinguishing in a certain area range; when the fire extinguishing device is started to automatically extinguish fire, the feedback sheet carries out information feedback under the action of the wire harness, the information is transmitted to the controller, the controller is in contact with the background management system through the wireless communication module (5G), the background management system positions a fire point through the UID and the satellite positioning module, and the background management system informs a user of the feedback information and the fire point in the modes of short messages, telephones and the like, reminds the user of further processing and prevents the fire from expanding. Before a fire disaster occurs, the satellite positioning module transmits positioning information to a background management system at regular time so as to ensure the normal work of the satellite positioning module.
In the process of extinguishing a fire; when the background management system sends information to the user and the user does not respond, the background management system actively sends a request for assisting fire extinguishing short message information to the user in an area of 200 m of the fire point.
When a plurality of fire extinguishing devices are arranged in a closed area where a fire point is located, when any two fire extinguishing devices are in a fire extinguishing state, all the fire extinguishing devices in the area are linked to realize fire extinguishing operation.
When the fire is found actively, the background management system controls the fire extinguishing device main body to conduct fire extinguishing operation actively through a 5G communication mode.
Meanwhile, the user can enter the operation interface through the APP and position the vehicle through operation so as to understand the condition of the vehicle.
The above is only a specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (10)
1. An intelligent solidification aerosol extinguishing device which is characterized in that: including extinguishing device main part, controller and backstage management system, adopt the pencil to be connected between extinguishing device main part and the controller, adopt 5G to carry out information transmission between controller and the backstage management system, be equipped with wireless communication module, singlechip, fixed power and satellite positioning module on the controller, singlechip control satellite positioning module activation time, fixed power provides required electric quantity for controller work, and wireless communication module is used for the signal connection between controller and the backstage management system, and satellite positioning module is used for realizing the accurate location of controller and extinguishing device main part, wireless communication module has independent UID.
2. An intelligent solidified aerosol fire extinguishing apparatus according to claim 1, wherein: the inner wall of the fire extinguishing device main body is provided with a heat insulation preparation layer, and the heat insulation preparation layer consists of 20% of calcium carbonate, 32% of magnesium carbonate, 45% of zinc carbonate and 3% of adhesive.
3. An intelligent solidified aerosol fire extinguishing apparatus according to claim 1, wherein: the fire extinguishing device is characterized in that a thermosensitive wire and solid aerosol are arranged inside the fire extinguishing device main body, one end of the thermosensitive wire is connected with a medicine bag and a feedback sheet, the feedback sheet is connected with a wire harness, and one end of the wire harness is connected with a controller.
4. An intelligent solidified aerosol fire extinguishing apparatus according to claim 1, wherein: the fire extinguishing device is characterized in that a metal net is arranged inside the fire extinguishing device and arranged on the outer side of the solid aerosol.
5. An intelligent solidified aerosol fire extinguishing apparatus according to claim 1, wherein: the inside of controller is equipped with bee calling organ, and singlechip control bee calling organ work, and during the inoperative, bee calling organ is in the dormancy state, and when the feedback piece was with conflagration information transfer to controller, the singlechip started bee calling organ work, and the sound is reported to the police.
6. An intelligent solidified aerosol fire extinguishing apparatus according to claim 1, wherein: the background management system is provided with an independent APP, and a user can position the vehicle through the APP.
7. A fire extinguishing method of an intelligent solidified aerosol fire extinguishing device is characterized in that: the method comprises the following steps:
1) glue with high bonding strength is coated on the side surfaces of the rear sections of the base and the shell, and the fire extinguishing device is fixed under the action of the glue;
2) when the temperature near the installation point reaches the starting temperature of the thermal wire or open fire occurs, the thermal wire is started, the ignition head works and ignites the explosive package, so that the solid hot melt adhesive quickly generates the nano aerosol fire extinguishing agent and is sprayed out from the spray opening to finish fire extinguishing in a certain area range;
3) when the fire extinguishing device is started to automatically extinguish fire, the feedback sheet carries out information feedback under the action of the wire harness, the information is transmitted to the controller, the controller is in contact with the background management system through the wireless communication module (5G), the background management system positions a fire point through the UID and the satellite positioning module, and the background management system informs a user of the feedback information and the fire point in the modes of short messages, telephones and the like, reminds the user of further processing and prevents fire expansion.
8. The fire extinguishing method of the intelligent solidified aerosol fire extinguishing device according to claim 7, wherein the fire extinguishing method comprises the following steps: and when the user does not respond in the step 3), the background management system actively sends a request for assisting fire extinguishing short message to the user in the area of 200 m of the fire point.
9. The fire extinguishing method of the intelligent solidified aerosol fire extinguishing device according to claim 7, wherein the fire extinguishing method comprises the following steps: when a plurality of fire extinguishing devices are arranged in a closed area where a fire point is located, when any two fire extinguishing devices are in a fire extinguishing state, all the fire extinguishing devices in the area are linked to realize fire extinguishing operation.
10. The fire extinguishing method of the intelligent solidified aerosol fire extinguishing device according to claim 7, wherein the fire extinguishing method comprises the following steps: when the fire is found actively, the background management system controls the fire extinguishing device main body to conduct fire extinguishing operation actively through a 5G communication mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111471513.7A CN114210001A (en) | 2021-12-06 | 2021-12-06 | Intelligent solidified aerosol fire extinguishing device and fire extinguishing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111471513.7A CN114210001A (en) | 2021-12-06 | 2021-12-06 | Intelligent solidified aerosol fire extinguishing device and fire extinguishing method |
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| CN207950358U (en) * | 2017-12-27 | 2018-10-12 | 中国船舶重工集团公司第七一0研究所 | A kind of miniature aerosol fire-extinguishing device |
| CN211097242U (en) * | 2019-07-05 | 2020-07-28 | 王正 | Fire-extinguishing escape bottle base feedback device |
| CN212575480U (en) * | 2020-04-10 | 2021-02-23 | 浙江亚瑟菲智能科技有限公司 | Miniature automatic fire extinguisher |
| CN212416736U (en) * | 2020-04-15 | 2021-01-29 | 深圳市鸿嘉利新能源有限公司 | Twelve-bin charging and battery replacing cabinet with fire-fighting system |
| CN112619015A (en) * | 2020-12-22 | 2021-04-09 | 青岛理工大学 | Automatic aerosol fire extinguishing system |
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Application publication date: 20220322 |