Fire extinguishing device for electrical equipment
By introducing a combination of infrared temperature sensors and electromagnetically driven valves into the fire extinguishing devices of electrical equipment, the fire extinguisher can be automatically shut down, solving the problem of waste of fire-fighting resources and improving fire-fighting efficiency.
Patent Information
- Application Number
- CN202422730334.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-08
- Publication Date
- 2025-09-09
- Estimated Expiration
- 2034-11-08
AI Technical Summary
Existing fire extinguishing devices for electrical equipment cannot shut down autonomously, resulting in a waste of firefighting resources.
A combination of an infrared temperature sensor and an electromagnetically driven valve is used. The temperature at which the electromagnetically driven valve is activated is set by a temperature controller, so that the fire extinguisher automatically closes after the flame is extinguished, achieving autonomous shutdown.
It effectively avoids unnecessary discharge of fire extinguishing agents, saves fire-fighting resources, and improves the efficiency of fire-fighting equipment.
Smart Images

Figure CN223311564U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fire protection devices, in particular to a fire extinguishing device for electrical equipment. Background Art
[0002] If the fire extinguisher is too hot, the fire extinguisher will not be able to stop, so the fire extinguisher will not be able to stop, and the fire extinguisher will not be able to stop, so the fire extinguisher will not be able to stop, and the fire extinguisher will not be able to stop, so the fire extinguisher will not be able to stop, and the fire extinguisher will not be able to stop, so the fire extinguisher will be more polluted. Utility Model Content
[0003] The problem to be solved by the utility model is that the fire extinguisher cannot be shut down automatically and wastes fire-fighting resources.
[0004] In order to solve the above technical problems, the utility model provides a fire extinguishing device for electrical equipment, comprising a fire extinguishing mechanism and a cabinet arranged on one side of the fire extinguishing mechanism, the cabinet having an installation space therein, and the electrical equipment being arranged on one side of the cabinet. The fire extinguishing mechanism comprises a fire extinguisher, a release pipe, a fire detection pipe, a container valve, and an electromagnetically driven valve. The release end of the fire extinguisher is provided with a container valve, the container valve is provided with an electromagnetically driven valve, and the container valve is provided with a fire detection pipe. The fire detection pipe extends from one side of the cabinet at an end away from the container valve and enters the cabinet from one side, exits from the other side of the cabinet, and is provided with a pressure switch for controlling the pressure inside the fire detection pipe. The discharge end of the container valve is connected to the release pipe, the end of the release pipe extends from the other side of the cabinet to the upper end of the cabinet and is provided with a nozzle. The upper end of the cabinet is also provided with an infrared temperature sensor for detecting the temperature of the electrical equipment inside the cabinet. The infrared temperature sensor is connected to the electromagnetically driven valve via a temperature controller. The electromagnetically driven valve is used to control whether the release end of the container valve is connected or closed. The temperature controller sets the temperature for activating the electromagnetically driven valve, so that the container valve is activated after the flame in the cabinet is extinguished, thereby shutting down the fire extinguisher.
[0005] Preferably, fixing seats are provided at both ends of the inner wall of the cabinet, and the fire detection tube is snap-connected with the fixing seats.
[0006] Preferably, the fire detection tube is installed between electrical equipment.
[0007] Preferably, the fire extinguisher is a carbon dioxide fire extinguisher.
[0008] Preferably, a mounting frame is provided on one side of the cabinet, and a slot is provided on one side of the mounting frame for fixing the fire extinguisher.
[0009] Preferably, a baffle is provided on one side of the mounting frame and is in contact with the surface of the fire extinguisher.
[0010] Preferably, a cabinet door is rotatably connected to one side of the installation space.
[0011] Preferably, mounting holes are provided on both sides of the mounting frame.
[0012] Preferably, the mounting hole is connected and fixed to the cabinet body by bolts.
[0013] Preferably, the top of the installation frame has a support plate, and the top of the fire extinguisher passes through the support plate and is installed with the container valve.
[0014] Compared with the prior art, the present invention provides a fire extinguishing device for electrical equipment, which has the following beneficial effects:
[0015] 1. The utility model is provided with an infrared temperature sensor and an electromagnetically driven valve. When the fire detection tube is burned and exploded, the container valve is opened, and the fire extinguishing agent enters the release pipe through the container valve. The fire extinguishing agent is transmitted to the nozzle through the release pipe. The fire extinguishing agent is discharged downward through the nozzle and transmitted to the electrical equipment, thereby extinguishing the flame in the cabinet. At this time, the infrared temperature sensor detects a temperature drop, and the temperature controller is used to set the temperature for starting the electromagnetically driven valve. The infrared temperature sensor triggers the electromagnetically driven valve to start, and the electromagnetically driven valve triggers the container valve to close, preventing the fire extinguishing agent from being discharged, thereby solving the problem that the fire extinguisher cannot be shut down automatically and wastes fire-fighting resources. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is the first schematic diagram of the main structure of the utility model;
[0017] Figure 2 This is the second schematic diagram of the main structure of the utility model;
[0018] Figure 3 This is a schematic diagram of the structure of the nozzle and infrared temperature sensor of the utility model;
[0019] Figure 4 It is a structural schematic diagram of the fire extinguishing mechanism of the present utility model.
[0020] In the figure: 1. Fire extinguishing mechanism; 101. Fire extinguisher; 102. Release pipe; 103. Fire detection tube; 104. Container valve; 105. Solenoid-driven valve; 2. Cabinet; 3. Pressure switch; 4. Nozzle; 5. Infrared temperature sensor; 6. Fixing seat; 7. Mounting frame; 8. Card slot; 9. Baffle; 10. Cabinet door; 11. Mounting hole; 12. Support plate. DETAILED DESCRIPTION
[0021] The utility model relates to a fire extinguishing device for electrical equipment, such as Figure 1-4 As shown, it includes a fire extinguishing mechanism 1 and a cabinet 2 arranged on one side of the fire extinguishing mechanism 1. The cabinet 2 has an installation space inside, and electrical equipment is arranged on one side of the cabinet 2. The fire extinguishing mechanism 1 includes a fire extinguisher 101, a release pipe 102, a fire detection pipe 103, a container valve 104, and an electromagnetically driven valve 105. The release end of the top of the fire extinguisher 101 is provided with a container valve 104, the container valve 104 is provided with an electromagnetically driven valve 105, the container valve 104 is provided with a fire detection pipe 103, and the end of the fire detection pipe 103 away from the container valve 104 penetrates the cabinet from one side of the cabinet 2. 2, and a pressure switch 3 is provided on the other side of the cabinet 2 to control the pressure inside the fire detection tube 103. The discharge end of the container valve 104 is connected to the release pipe 102. The end of the release pipe 102 away from the container valve 104 is passed through the upper end of the cabinet 2 and is provided with a nozzle 4. The upper end of the cabinet 2 is also provided with an infrared temperature sensor 5 for detecting the temperature of the electrical equipment inside the cabinet 2. The infrared temperature sensor 5 is connected to the electromagnetic drive valve 105 through the temperature controller. The electromagnetic drive valve 105 is used to control the release of the container valve 104. The discharge end is connected or closed, and the temperature controller is used to set the temperature for activating the electromagnetically driven valve 105. After the flame in the cabinet 2 is extinguished, the container valve 104 is activated, causing the fire extinguisher 101 to be closed. The cabinet 2 is set as the installation body of the electrical equipment, and the electrical equipment is connected by cables. When the temperature inside the cabinet 2 increases due to factors such as equipment aging, poor heat dissipation, and short circuit, resulting in a fire inside the cabinet 2, the fire detection tube 103 is burned and exploded, thereby opening the container valve 104. The fire extinguishing agent enters the release pipe 102 through the container valve 104, and is transferred to the sprinkler head 4 through the release pipe 102. The fire extinguishing agent is discharged downward through the sprinkler head 4 and is transferred to the electrical equipment, thereby extinguishing the flame in the cabinet 2. At this time, the infrared temperature sensor 5 detects the temperature drop, and the temperature controller is used to set the temperature for activating the electromagnetically driven valve 105. The infrared temperature sensor 5 triggers the electromagnetically driven valve 105 to activate, and the electromagnetically driven valve 105 triggers the container valve 104 to close, preventing the discharge of the fire extinguishing agent, thereby solving the problem of the fire extinguisher 101 being unable to shut down automatically and wasting firefighting resources.
[0022] In an embodiment of the present invention, fixing seats 6 are provided at both ends of the inner wall of the cabinet 2 , and the fire detection tube 103 is engaged with the fixing seats 6 . By providing the fixing seats 6 , the fire detection tube 103 is fixed on the fixing seats 6 , thereby improving the stability of the fire detection tube 103 .
[0023] In the embodiment of the present invention, the fire detection tube 103 is arranged between the electrical equipment. By providing the above structure, the fire detection tube 103 is close to the electrical equipment, thereby improving the fire prevention performance of the fire detection tube 103.
[0024] In an embodiment of the present invention, the fire extinguisher 101 is a carbon dioxide fire extinguisher 101. By providing the above structure, the carbon dioxide fire extinguishing agent can reduce damage to electrical equipment and cables.
[0025] In an embodiment of the present invention, a mounting frame 7 is provided on one side of the cabinet 2, and a card slot 8 is provided on one side of the mounting frame 7 for fixing the fire extinguisher 101. By providing the mounting frame 7 and the card slot 8, the fire extinguisher 101 is embedded in the card slot 8, so that the fire extinguisher 101 and the mounting frame 7 are firmly fixed.
[0026] In an embodiment of the present invention, a baffle 9 is provided on one side of the mounting frame 7 and is in contact with the surface of the fire extinguisher 101. By providing the baffle 9, the baffle 9 is in contact with the surface of the fire extinguisher 101, so that the fire extinguisher 101 is fixed between the baffle 9 and the slot 8, thereby improving the stability of the fire extinguisher 101.
[0027] In an embodiment of the present invention, a cabinet door 10 is rotatably connected to one side of the installation space. By providing the cabinet door 10 , the cabinet door 10 is rotated outward to open the installation space, and the installation space is closed by the cabinet door 10 .
[0028] In the embodiment of the present invention, mounting holes 11 are provided on both sides of the mounting frame 7. The mounting holes 11 facilitate the fixing of the mounting frame 7 to the cabinet 2, so that the fire extinguishing mechanism 1 and the cabinet 2 are firmly fixed.
[0029] In the embodiment of the present invention, the mounting hole 11 is connected and fixed to the cabinet 2 by bolts. By setting the above structure, the mounting frame 7 is movably connected to the cabinet 2, which facilitates the installation and disassembly of the fire extinguishing mechanism 1 and the cabinet 2.
[0030] In an embodiment of the present utility model, a support plate 12 is provided on the top of the mounting frame 7, and the top of the fire extinguisher 101 passes through the support plate 12 and is installed with the container valve 104. By providing the support plate 12, the top of the fire extinguisher 101 is passed through the support plate 12, which effectively fixes the top of the fire extinguisher 101. At the same time, the bottom of the container valve 104 is abutted against the upper end of the support plate 12, thereby improving the stability of the installation of the container valve 104.
[0031] When in use, first, install the fire extinguishing mechanism 1 on the cabinet 2, fit the mounting frame 7 to the surface of the cabinet 2, and then put the bolts into the mounting holes 11 so that the bolts pass through the mounting frame 7 and are threadedly connected to the cabinet 2. The mounting frame 7 is fixed to the cabinet 2, and the fire extinguisher 101 is placed between the baffle 9 and the slot 8. The top of the fire extinguisher 101 is passed through the support plate 12, and the container valve 104 is placed on the support plate 12. The container valve 104 is installed on the support plate 12, and the container valve 104 is installed on the release end of the top of the fire extinguisher 101. Then, the electromagnetic drive valve 105 is installed on the upper end of the container valve 104. At the same time, the release pipe 102 is installed on the discharge end of the container valve 104, and the fire detection pipe 103 is installed on the container valve 104. The release pipe 102 is connected to the spray nozzle at the upper end of the cabinet 2. The head 4 is connected, the fire detection tube 103 is passed through the cabinet 2, and is fixed to the inside of the cabinet 2 through the fixing seat 6. At the same time, ensure that the fire detection tube 103 is arranged between the electrical equipment, pass the fire detection tube 103 from the other side of the cabinet 2 and install the pressure switch 3. When a fire occurs in the cabinet 2, the fire detection tube 103 is burned and exploded, causing the container valve 104 to open, and the fire extinguishing agent enters the release pipe 102 from the container valve 104, and then enters the nozzle 4, so that the carbon dioxide fire extinguishing agent is transmitted to the electrical equipment to extinguish the flame on the electrical equipment. After the infrared temperature sensor 5 detects that the temperature has dropped, it starts the electromagnetic drive valve 105 through the temperature controller, and triggers the container valve 104 to close through the electromagnetic drive valve 105, thereby preventing the fire extinguishing agent from being discharged.
[0032] It is understood that the present invention is described by way of certain embodiments, and those skilled in the art will appreciate that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. Furthermore, under the guidance of the present invention, these features and embodiments may be modified to suit specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are intended to be protected by the present invention.
Claims
1. A fire extinguishing device for electrical equipment, comprising a fire extinguishing mechanism (1) and a cabinet (2) arranged on one side of the fire extinguishing mechanism (1), characterized in that: The cabinet (2) has an installation space inside. Electrical equipment is arranged on one side of the cabinet (2). The fire extinguishing mechanism (1) comprises a fire extinguisher (101), a release pipe (102), a fire detection pipe (103), a container valve (104), and an electromagnetically driven valve (105). The release end of the top of the fire extinguisher (101) is provided with a container valve (104). The electromagnetically driven valve (105) is provided on the container valve (104). The fire detection pipe (103) is provided on the container valve (104). The end of the fire detection pipe (103) away from the container valve (104) penetrates into the cabinet (2) from one side of the cabinet (2) and exits from the other side of the cabinet (2). The fire detection pipe (103) is provided with a pressure switch (3) for controlling the pressure inside the fire detection pipe (103). The discharge end of the container valve (104) is connected to the release pipe (102), and one end of the release pipe (102) away from the container valve (104) is passed through the upper end of the cabinet (2) and is provided with a nozzle (4). The upper end of the cabinet (2) is also provided with an infrared temperature sensor (5) for detecting the temperature of the electrical equipment inside the cabinet (2). The infrared temperature sensor (5) is connected to the electromagnetic drive valve (105) through a temperature controller. The electromagnetic drive valve (105) is used to control the connection or closing of the release end of the container valve (104). The temperature controller is used to set the temperature for starting the electromagnetic drive valve (105), so that the container valve (104) is started after the flame in the cabinet (2) is extinguished, so that the fire extinguisher (101) is closed.
2. A fire extinguishing device for electrical equipment according to claim 1, characterized in that: Fixed seats (6) are provided at both ends of the inner wall of the cabinet (2), and the fire detection tube (103) is snap-connected with the fixed seats (6).
3. A fire extinguishing device for electrical equipment according to claim 1, characterized in that: The fire detection tube (103) is arranged between electrical equipment.
4. A fire extinguishing device for electrical equipment according to claim 1, characterized in that: The fire extinguisher (101) is a carbon dioxide fire extinguisher.
5. A fire extinguishing device for electrical equipment according to claim 1, characterized in that: A mounting frame (7) is provided on one side of the cabinet (2), and a slot (8) is provided on one side of the mounting frame (7) for fixing the fire extinguisher (101).
6. A fire extinguishing device for electrical equipment according to claim 5, characterized in that: A baffle (9) is provided on one side of the installation frame (7) and is in contact with the surface of the fire extinguisher (101).
7. A fire extinguishing device for electrical equipment according to claim 1, characterized in that: A cabinet door (10) is rotatably connected to one side of the installation space.
8. A fire extinguishing device for electrical equipment according to claim 5, characterized in that: Mounting holes (11) are provided on both sides of the mounting frame (7).
9. A fire extinguishing device for electrical equipment according to claim 8, characterized in that: The mounting hole (11) is connected and fixed to the cabinet body (2) via bolts.
10. A fire extinguishing device for electrical equipment according to claim 5, characterized in that: The top of the installation frame (7) is provided with a support plate (12), and the top of the fire extinguisher (101) passes through the support plate (12) and is installed with the container valve (104).