CN114288587A - Miniature automatic fire extinguishing tank with networking function - Google Patents
Miniature automatic fire extinguishing tank with networking function Download PDFInfo
- Publication number
- CN114288587A CN114288587A CN202111428499.2A CN202111428499A CN114288587A CN 114288587 A CN114288587 A CN 114288587A CN 202111428499 A CN202111428499 A CN 202111428499A CN 114288587 A CN114288587 A CN 114288587A
- Authority
- CN
- China
- Prior art keywords
- fire extinguishing
- miniature automatic
- automatic fire
- operation program
- networking function
- 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.)
- Pending
Links
Images
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a miniature automatic fire extinguishing tank with a networking function, which comprises a miniature automatic fire extinguishing tank (1) and a networking function module (2), wherein the miniature automatic fire extinguishing tank (1) mainly comprises a bottom plate (3), a shell (16), a cooling system (7), a combustion chamber (6), fire extinguishing agents (5), an electric starting element (12) and a feedback element (13), the networking function module (2) comprises a temperature sensing module (24), an operation program chip (23), a wireless transmission module (22) and a power supply module (26), and the power supply module (26) provides energy for equipment operation. The miniature fire extinguishing device can be arranged in small and narrow spaces such as a power distribution cabinet, a cable trench and the like, is simple in arrangement, has the functions of automatically sensing fire extinguishing and finishing networking, monitoring and remote operation fire extinguishing, and has positive significance for realizing intelligent fire extinguishing.
Description
Technical Field
The invention relates to the technical field of gas automatic fire extinguishing and fire fighting of an electric power system, in particular to a miniature automatic fire extinguishing tank with a networking function.
Background
The hidden danger of fire hazard exists in electric power transmission and transformation equipment, cable channels, various power distribution cabinets and transformer boxes due to long-term high-load operation. Some distribution rooms, the fire extinguishing system equipment such as heptafluoropropane, the aerosol, the automatic fire extinguishing device of fire detection pipe, superfine dry powder have been installed to the transformer substation and have been arranged according to the design of total flooding mode, some have only simply placed cart type or portable simple and easy fire extinguisher, survey discovery electric power conflagration often because the electrical switch in single switch board or single cable joint electric leakage short circuit cause, current fire extinguishing apparatus can not in time reflect the emergence of these conflagrations, only wait that the conflagration large tracts of land to the indoor or when the cable channel appears the conflagration that is difficult to control, these fire extinguishing apparatus can start, delay the time of putting out a fire, cause bigger loss.
Therefore, a miniature automatic fire extinguishing tank is provided, is arranged in a power distribution cabinet or at a cable joint of a cable channel, senses the environment temperature change in real time, automatically starts to extinguish a fire after the temperature is abnormal, quickly extinguishes the initial fire and reduces the fire loss.
The use is installed in the switch board or the small-size automatic gas fire extinguishing tank of cable channel, can in time handle the condition of a fire that single source of a fire took place in the very first time, does benefit to ubiquitous networking technology, feeds back the operating condition of automatic gas fire extinguishing tank to the monitoring platform in real time, can realize understanding the switch board at any time, the safe situation of cable channel, can receive the information that the fire extinguishing tank started to put out a fire in the very first time, also can start the fire extinguishing tank when needs remote control, put out small-size conflagration.
The small automatic gas fire extinguishing tank with the networking function can realize free partition cooperative fire extinguishing, improve the fire extinguishing efficiency and reduce the disaster extinguishing loss as much as possible.
Disclosure of Invention
Aiming at the problems, the invention provides a miniature automatic fire extinguishing tank with a networking function, which solves the problem that the prior art cannot monitor the initial fire in a power distribution cabinet and further misses the optimal fire extinguishing time, realizes regional linkage networking and collaborative fire extinguishing simultaneously, improves the fire extinguishing efficiency, reduces the equipment installation cost by the application of a wireless networking mode, and improves the modern intelligence of equipment application.
In order to achieve the above object, the present invention provides a miniature automatic fire extinguishing tank with networking function, comprising: the automatic fire extinguishing device comprises a miniature automatic fire extinguishing tank and a networking function module arranged in a groove formed by a bottom plate and a bottom protective cover plate of the miniature automatic fire extinguishing tank, wherein an operation program chip in the networking function module is electrically connected with an electric starting element and a feedback element through a binding post penetrating through the bottom plate;
the miniature automatic fire extinguishing tank comprises a bottom plate and a shell arranged on the upper surface of the bottom plate, the miniature automatic fire extinguishing tank and a top sealing film form a normal-pressure sealed shell through a sealing ring arranged on the inner side surface of the shell, and a cooling system, a combustion chamber and a fire extinguishing agent are arranged in the shell from top to bottom;
the fire extinguishing device is characterized in that the shell also comprises a spray hole for spraying a fire extinguishing agent and a temperature sensing element for measuring the ambient temperature, the spray hole is arranged in the fire extinguishing agent, the combustion chamber and the cooling system in a penetrating manner, one end of the spray hole is connected with the electric starting element, and the other end of the spray hole is fixed at the top of the shell.
Preferably, the electric starting element and the feedback element are arranged in a groove formed by the fire extinguishing agent and the bottom plate.
Preferably, the lower surface of the bottom plate is also provided with a high-strength magnet for adsorbing electrical equipment.
In a preferable mode, the temperature sensing element is electrically connected with the electric starting element and the feedback element at the same time, when the temperature sensing element judges that the environmental temperature is greater than the preset value, the temperature sensing element outputs a fire starting signal to the electric starting element and the feedback element, the electric starting element ignites the fire extinguishing agent after receiving the fire starting signal, and the feedback element transmits the fire extinguishing agent to the operation program chip through the wiring terminal after receiving the fire starting signal.
Preferably, the networking function module includes: the temperature sensing module is connected with the operation program chip and is used for monitoring the ambient temperature and transmitting the ambient temperature to the operation program chip; the wireless transmission module is connected with the operation program chip and is used for transmitting a fire starting signal; the operation program chip is used for judging that the environmental temperature is greater than a preset value or outputting a fire starting signal to the electric starting element after receiving the fire starting signal; and the power supply module is used for supplying power to the networking functional module.
Under preferred mode, the networking function of miniature automatic fire extinguishing jar includes wired networking function and wireless networking function, wired networking function is: the operation program chips of the miniature automatic fire extinguishing tanks in the network are connected with each other through the wired network terminal, the operation program chip of one miniature automatic fire extinguishing tank sends out a fire starting signal, and the operation program chips of the other miniature automatic fire extinguishing tanks receive the fire starting signal through the wired network terminal and then carry out cooperative fire extinguishing; the wireless networking function is as follows: the wireless transmission module of the miniature automatic fire extinguishing tank in the network transmits information mutually in a wireless mode, the operation program chip of one miniature automatic fire extinguishing tank sends out a fire starting signal to the wireless transmission module, the wireless transmission module transmits the fire starting signal to the wireless transmission modules and the operation program chips of other miniature automatic fire extinguishing tanks, and the operation program chips of other miniature automatic fire extinguishing tanks perform fire extinguishing in a coordinated mode after receiving the fire starting signal.
The invention has the beneficial effects that: the automatic fire extinguishing device has a simple structure, is easy to install, can automatically detect whether the temperature in the power distribution cabinet is abnormal or not, automatically starts to extinguish a fire, and extinguishes an initial fire, and the started output feedback signal can be connected with an alarm signal, cut off a switch and disconnect a power supply line of the power distribution cabinet, so that the aims of timely finding and disposing and reducing the fire loss to the maximum extent are fulfilled; can use wired or wireless mode to constitute a linkage region through rather than the networking function module that links to each other, after one goes out fire pot response temperature anomaly and starts in the region, can send other fire pots in all the other with conflagration start signal to, put out a fire in coordination, also can artificially or by the regional back that appears the fire disaster of system automatic judgement through control system, remote control fire pot starts to put out a fire.
Drawings
FIG. 1 is a structural diagram of a fire extinguishing tank of a miniature automatic fire extinguishing tank with networking function provided by the invention;
fig. 2 is a structure diagram of a networking functional module of the miniature automatic fire extinguishing tank with the networking function provided by the invention.
Wherein: 1. miniature automatic fire extinguishing jar, 2, network deployment function module, 3, the bottom plate, 4, the sealing washer, 5, the medicament of putting out a fire, 6, the combustion chamber, 7, cooling system, 8, the orifice, 9, the temperature-sensing element, 10, the top seal membrane, 11, high-strength magnet, 12, the electricity starting element, 13, feedback element, 14, the terminal, 15, bottom protective cover board, 16, the shell, 21, the PCB board, 22, the wireless transmission module, 23, operation procedure chip, 24, the temperature-sensing module, 25, the wiring hole, 26, power module, 27, wired network deployment terminal, 28, input/output terminal.
Detailed Description
As shown in fig. 1, the invention relates to a miniature automatic fire extinguishing tank with networking function, comprising: the automatic fire extinguishing device comprises a miniature automatic fire extinguishing tank 1 and a networking functional module 2 which is arranged in a groove formed by a bottom plate 3 and a bottom protective cover plate 15 of the miniature automatic fire extinguishing tank 1, wherein an operation program chip 23 in the networking functional module 2 is electrically connected with an electric starting element 12 and a feedback element 13 through a binding post 14 which penetrates through the bottom plate 3;
the miniature automatic fire extinguishing tank 1 comprises a bottom plate 3 and a shell 16 arranged on the upper surface of the bottom plate 3, the miniature automatic fire extinguishing tank 1 and a top sealing film 10 form a normal-pressure sealed shell through a sealing ring 4 arranged on the inner side surface of the shell 16, a cooling system 7, a combustion chamber 6 and fire extinguishing agents 5 are arranged in the shell 16 from top to bottom, and the height of the combustion chamber is 3-10 mm;
the fire extinguishing device is characterized in that the shell 16 further comprises a spray hole 8 for spraying a fire extinguishing agent and a temperature sensing element 9 for measuring the ambient temperature, the spray hole 8 penetrates through the fire extinguishing agent 5, the combustion chamber 6 and the cooling system 7, one end of the spray hole 8 is connected with the electric starting element 12, the other end of the spray hole 8 is fixed at the top of the shell 16, and the size of the spray hole is equal to that of the spray hole
The number of the active ingredients is 10-30.
As shown in fig. 1, the electric starting element 12 and the feedback element 13 are installed in a groove formed by the fire extinguishing agent 5 and the bottom plate 3; the 3 lower surfaces of bottom plate still install the high-strength magnet 11 that is used for adsorbing electrical equipment, even use high-strength magnet 11 can be convenient adsorb in equipment medial surfaces such as switch board, the quantity of high-strength magnet 11 can be 3 ~ 5.
The working process of the miniature fire extinguishing tank is as follows: when the temperature sensing element 9 arranged on the miniature fire extinguishing tank 1 senses that the temperature in the power distribution cabinet abnormally exceeds the set value thereof by 170 ℃, a fire starting signal is transmitted into the fire extinguishing agent 5 in the fire extinguishing tank 1, the fire extinguishing agent 5 is ignited to burn in the combustion chamber 6, and a large amount of CO and CO are released2、N2、NO、NO2、CnNn、H2O, etc. as a mist gas, simultaneouslyProducing metal oxides of extremely high fire-extinguishing capacity, e.g. K2O, SiO, etc., through the cooling system 7, the fire extinguishing substance breaks through the top sealing film 10, and is sprayed from the spray holes 8 to the fire point at a high speed, isolating the comburent and oxygen, consuming the oxygen in the fire scene, reducing the temperature of the fire scene, cutting off the combustion chain, and realizing rapid automatic fire extinguishing. The whole fire extinguishing process does not need manual intervention, and automatic intelligent fire extinguishing is realized.
As the improvement of the technical scheme, an electric starting element 12 and a feedback element 13 are arranged in the miniature automatic fire extinguishing tank 1, the miniature automatic fire extinguishing tank is connected with the outside through a binding post 14, and the miniature automatic fire extinguishing tank can be connected with a remote starting module or a starting end of an automatic device through the electric starting element 12 to realize remote starting fire extinguishing. After the miniature automatic fire extinguishing tank 1 is started, the feedback element 13 outputs a signal of a switching value, and the miniature automatic fire extinguishing tank can be connected with an audible and visual alarm to prompt a person on duty or cut off a power supply through a control switch, so that the fire extinguishing effect is improved.
As shown in fig. 2, as an improvement of the technical solution, a networking function module 2 is arranged in the miniature automatic fire-extinguishing tank 1, and is electrically connected with the miniature automatic fire-extinguishing tank 1 through a binding post 14. The networking functional module 2 is composed of a PCB board 21, an operation program chip 23, a wireless transmission module 22, a wiring hole 25, a temperature sensing module 24, a power supply module 26, a wired networking terminal 27 and an input/output terminal 28. The power module 26 of the networking function module 2 may be a long-life high-energy disposable battery or may be powered by an external power source. The networking function module 2 can be wirelessly networked or wired networked through a wired networking terminal 27. The networking functional module 2 is connected with the binding post 14 through a wiring hole 25.
The working process of the networking function module 2 is as follows: when the wired mode is used, the wired networking terminals 27 are used for connecting a plurality of fire extinguishing tanks in a wired mode, after a temperature sensing element 9 on one miniature automatic fire extinguishing tank 1 senses the temperature and starts the fire extinguishing tank, a fire starting signal of the device is output to the miniature automatic fire extinguishing tanks 1 in other networks through the feedback element 13, and fire extinguishing is started at the same time; or the temperature sensing module 24 of the networking functional module 2 senses that the temperature exceeds the set value abnormally and then starts the miniature automatic fire extinguishing tank 1, and meanwhile, the fire starting signal of the device is transmitted to the miniature automatic fire extinguishing tanks 1 in other networking functional modules, and meanwhile, fire extinguishing is started. The networking functional module 2 can receive fire starting signals sent from the outside and start the miniature automatic fire extinguishing tank 1, and simultaneously sends state information of the miniature automatic fire extinguishing tank 1 to the control platform or sends the state information to the other miniature automatic fire extinguishing tanks 1 in the networking and starts fire extinguishing, and can also receive fire starting signals of the other miniature fire extinguishing tanks 1, send the state information to the control platform or sends the state information to the other miniature automatic fire extinguishing tanks 1 in the networking and starts fire extinguishing.
As an improvement of the technical scheme, when the networking function module 2 works in a wireless mode, each networking function module 2 is provided with a unique address code, and the address code consists of three parts: the system comprises a characteristic code, an area code and an identity code, and is used for distinguishing different system equipment, networking areas and equipment, when a temperature sensing module 24 of a networking functional module 2 senses that the temperature is abnormal and exceeds a set value, the miniature automatic fire extinguishing tank 1 is started, or a temperature sensing element 9 on the miniature automatic fire extinguishing tank 1 senses the temperature and starts the fire extinguishing tank, a fire starting signal of the device is output to the networking functional module 2 through a feedback element 13, an operation program chip 23 on the networking functional module 2 can record the starting time and starting reason of the equipment, and other modules in a calling area are started through a wireless transmission module 22 to cooperatively extinguish fire.
As an improvement of the technical scheme, the networking function module 2 can be accessed into an object networking through a connecting gateway to realize networking management.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (6)
1. The utility model provides a miniature automatic fire extinguishing jar with networking function which characterized in that includes: the automatic fire extinguishing device comprises a miniature automatic fire extinguishing tank (1) and a networking functional module (2) which is arranged in a groove formed by a bottom plate (3) and a bottom protective cover plate (15) of the miniature automatic fire extinguishing tank (1), wherein an operation program chip (23) in the networking functional module (2) is electrically connected with an electric starting element (12) and a feedback element (13) through a binding post (14) penetrating through the bottom plate (3);
the miniature automatic fire extinguishing tank (1) comprises a bottom plate (3) and a shell (16) arranged on the upper surface of the bottom plate (3), the miniature automatic fire extinguishing tank (1) and a top sealing film (10) form a normal-pressure sealed shell through a sealing ring (4) arranged on the inner side surface of the shell (16), and a cooling system (7), a combustion chamber (6) and a fire extinguishing agent (5) are arranged in the shell (16) from top to bottom;
the fire extinguishing device is characterized in that the shell (16) further comprises a spray hole (8) used for spraying a fire extinguishing agent and a temperature sensing element (9) used for measuring the ambient temperature, the spray hole (8) penetrates through the fire extinguishing agent (5), the combustion chamber (6) and the cooling system (7), one end of the spray hole (8) is connected with the electric starting element (12), and the other end of the spray hole (8) is fixed to the top of the shell (16).
2. The miniature automatic fire extinguishing tank with networking function according to claim 1, wherein the electric starting element (12) and the feedback element (13) are installed in a groove formed by the fire extinguishing agent (5) and the bottom plate (3).
3. The miniature automatic fire extinguishing tank with networking function according to claim 1, wherein the lower surface of the bottom plate (3) is further provided with a high-strength magnet (11) for adsorbing electrical equipment.
4. The miniature automatic fire extinguishing tank with networking function according to claim 1, wherein the temperature sensing element (9) is electrically connected with the electric starting element (12) and the feedback element (13) at the same time, when the temperature sensing element (9) judges that the environmental temperature is higher than the preset value, the temperature sensing element outputs a fire starting signal to the electric starting element (12) and the feedback element (13), the electric starting element (12) ignites the fire extinguishing agent (5) after receiving the fire starting signal, and the feedback element (13) transmits the fire starting signal to the operation program chip (23) through the wiring terminal (14).
5. The miniature automatic fire extinguishing tank with networking function according to claim 1, wherein the networking function module (2) comprises: the temperature sensing module (24) is connected with the operation program chip (23) and is used for monitoring the ambient temperature and transmitting the ambient temperature to the operation program chip (23); the wireless transmission module (22), the said wireless transmission module (22) couples to operation program chip (23) and is used for transmitting the fire starting signal; the operation program chip (23), the said operation program chip (23) judges the ambient temperature is greater than the default value or outputs the fire starting signal to the electric starting component (12) after receiving the fire starting signal; a power module (26), the power module (26) being configured to supply power to the networking functional module (2).
6. The miniature automatic fire extinguishing tank with networking function according to claim 1, wherein the networking function of the miniature automatic fire extinguishing tank comprises a wired networking function and a wireless networking function, and the wired networking function is as follows: the operation program chips (23) of the miniature automatic fire extinguishing tanks (1) in the network are connected with each other through wired network terminals (27), the operation program chip (23) of one miniature automatic fire extinguishing tank (1) sends out a fire starting signal, and the operation program chips (23) of the other miniature automatic fire extinguishing tanks (1) receive the fire starting signal through the wired network terminals (27) and then carry out cooperative fire extinguishing; the wireless networking function is as follows: the wireless transmission module (22) of the miniature automatic fire extinguishing tank (1) in the network mutually transmits information in a wireless mode, the operation program chip (23) of one miniature automatic fire extinguishing tank (1) sends a fire starting signal to the wireless transmission module (22), the wireless transmission module (22) transmits the fire starting signal to the wireless transmission module (22) and the operation program chip (23) of the other miniature automatic fire extinguishing tanks (1), and the operation program chips (23) of the other miniature automatic fire extinguishing tanks (1) cooperatively extinguish fire after receiving the fire starting signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111428499.2A CN114288587A (en) | 2021-11-26 | 2021-11-26 | Miniature automatic fire extinguishing tank with networking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111428499.2A CN114288587A (en) | 2021-11-26 | 2021-11-26 | Miniature automatic fire extinguishing tank with networking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114288587A true CN114288587A (en) | 2022-04-08 |
Family
ID=80965829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111428499.2A Pending CN114288587A (en) | 2021-11-26 | 2021-11-26 | Miniature automatic fire extinguishing tank with networking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114288587A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2522101Y (en) * | 2002-02-08 | 2002-11-27 | 秦荣英 | Fire extinguisher and automatic control fire extinguishing system comprising the same |
| TWM521473U (en) * | 2016-02-01 | 2016-05-11 | Zhen-Xiang Huang | Remote-controlling fire extinguishing device |
| CN206121005U (en) * | 2016-06-30 | 2017-04-26 | 四川迪威消防设备制造有限公司 | Aerosol automatic starting drive of temperature sensing that puts out a fire |
| CN209237234U (en) * | 2018-08-17 | 2019-08-13 | 西安昂飞消防科技有限公司 | Temperature-sensitive with external starting and feedback output starts fire suppression bottle automatically |
| CN110115816A (en) * | 2019-06-03 | 2019-08-13 | 北京紫光新锐科技发展有限公司 | A kind of power distribution cabinet being exclusively used in security against fire and method |
| CN209392657U (en) * | 2018-12-20 | 2019-09-17 | 萃联（中国）消防设备制造有限公司 | A kind of hanged powder extinguishing equipment linkage activation system |
-
2021
- 2021-11-26 CN CN202111428499.2A patent/CN114288587A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2522101Y (en) * | 2002-02-08 | 2002-11-27 | 秦荣英 | Fire extinguisher and automatic control fire extinguishing system comprising the same |
| TWM521473U (en) * | 2016-02-01 | 2016-05-11 | Zhen-Xiang Huang | Remote-controlling fire extinguishing device |
| CN206121005U (en) * | 2016-06-30 | 2017-04-26 | 四川迪威消防设备制造有限公司 | Aerosol automatic starting drive of temperature sensing that puts out a fire |
| CN209237234U (en) * | 2018-08-17 | 2019-08-13 | 西安昂飞消防科技有限公司 | Temperature-sensitive with external starting and feedback output starts fire suppression bottle automatically |
| CN209392657U (en) * | 2018-12-20 | 2019-09-17 | 萃联（中国）消防设备制造有限公司 | A kind of hanged powder extinguishing equipment linkage activation system |
| CN110115816A (en) * | 2019-06-03 | 2019-08-13 | 北京紫光新锐科技发展有限公司 | A kind of power distribution cabinet being exclusively used in security against fire and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111643834B (en) | Fire fighting device of container energy storage system and control method thereof | |
| CN110227221B (en) | Intelligent fire extinguishing device for lithium battery box of electric vehicle | |
| CN106410298A (en) | Intelligent firefighting system for lithium-ion battery energy storage unit | |
| CN206134867U (en) | Lithium ion battery energy storage unit intelligence fire control system of putting out a fire to save life and property | |
| CN115207785B (en) | Intelligent fireproof system and method for distribution box | |
| CN213760299U (en) | Fire-fighting system | |
| CN205127247U (en) | Temperature sensing self -starting formula aerosol extinguishing device | |
| CN113593154A (en) | Alarm system of high-low voltage power equipment | |
| CN211126486U (en) | Flame-retardant distribution box for brewhouse | |
| CN212751839U (en) | Lithium battery charging protection device | |
| CN114288587A (en) | Miniature automatic fire extinguishing tank with networking function | |
| CN215961938U (en) | Edge side initiative fire control monitoring devices and system | |
| CN110935121A (en) | Automatic fire extinguishing system of power distribution cabinet | |
| CN212262233U (en) | Airtight semi-closed micro-space fire control device and system | |
| CN211239298U (en) | Explosion-proof cable joint box based on NB intelligence thing networking smoke temperature and automatic fire extinguishing | |
| CN202120423U (en) | Electrical fire hazard monitor system using wireless communication network to realize remote monitoring | |
| CN114259666A (en) | Liquid cooling PACK of energy storage system is directly hung to well high pressure | |
| CN210250929U (en) | Fireproof and explosion-proof device for storage battery chamber of unattended transformer substation | |
| CN216672310U (en) | Self-starting integration fire extinguishing system based on thing networking | |
| CN221126590U (en) | Electrical cabinet with fire monitoring function | |
| CN215351751U (en) | Fire extinguishing system capable of being remotely controlled | |
| CN210926813U (en) | Block terminal with PLC intelligent control | |
| CN213964901U (en) | Foam fire extinguishing system for main transformer of unattended transformer substation | |
| CN219423616U (en) | Mixed gas fire extinguishing device for distributed deep energy storage container | |
| CN218357000U (en) | Fire prevention and control system suitable for railway power supply facility management equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20220408 |
|
| WD01 | Invention patent application deemed withdrawn after publication |