A high-voltage switch cabinet fire early warning device

CN224625059UActive Publication Date: 2026-08-11ZHAOYUAN WEIYE ELECTRIC CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-03
Publication Date
2026-08-11

AI Technical Summary

Technical Problem

[0004]在使用过程中发现,现有的火灾预警装置在长时间使用过程中,会产生粉尘影响火灾预警装置内部的元器件,导致火灾预警装置失灵,因此亟需一种高压开关柜火灾预警装置

Benefits of technology

[0013]与现有技术相比本实用新型的有益效果为:通过过滤装置对高压柜内部的粉尘进行隔绝,通过监测装置对火灾情况监测,通过吹风装置将高压柜内部的空气吹入预警箱中,通过信号传输装置将火灾报警信号进行传输,通过报警装置进行报警。

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Abstract

This utility model relates to the technical field of fire early warning devices, and in particular to a fire early warning device for high-voltage switchgear. It isolates dust inside the high-voltage switchgear through a filtration device, monitors the fire situation through a monitoring device, blows air from inside the high-voltage switchgear into an early warning box through a blower, transmits a fire alarm signal through a signal transmission device, and triggers an alarm through an alarm device. The device includes an early warning box, a filtration device, a monitoring device, a blower, a signal transmission device, and an alarm device, all of which are mounted on the early warning box. The filtration device isolates dust inside the high-voltage switchgear, the monitoring device monitors the fire, the blower blows air in, the signal transmission device transmits the signal, and the alarm device triggers an alarm.
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Description

Technical Field

[0001] This utility model relates to the technical field of fire early warning devices, and in particular to a fire early warning device for high-voltage switchgear. Background Technology

[0002] High-voltage switchgear, as a core piece of equipment in the power system, is widely used in power generation, transmission, transformation, and distribution. However, its fire risk is becoming increasingly prominent. Long-term high-load operation leads to equipment overheating and insulation aging, which can easily cause short circuits or arcing faults. Therefore, there is an urgent need for an intelligent early warning and fire suppression integrated system to achieve early intervention and ensure power grid safety.

[0003] For example, in a class of prior art represented by application number CN202122295949.7, the main structure includes a cabinet, with connecting plates installed at both ends of the cabinet. Several wiring pipes are provided on both sides of the cabinet near the connecting plates. A cabinet door is installed on the front side of the cabinet. This utility model is applicable to the field of fire early warning technology. In this utility model, by changing the traditional fixed connection plate to the existing connection plate that is inserted into both ends of the cabinet, and after insertion, the positioning plate inside the connection plate is connected to the plate inserted into the cabinet, the connection plate can be pulled left and right at both ends of the cabinet, thereby adapting to inaccurate installation holes due to measurement errors, and solving the problem of inconvenient installation due to incorrect hole size measurement.

[0004] During use, it was found that existing fire warning devices generate dust over long periods of time, which affects the internal components and causes the devices to malfunction. Therefore, there is an urgent need for a fire warning device for high-voltage switchgear. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides a high-voltage switchgear fire early warning device that isolates dust inside the high-voltage switchgear through a filtration device, monitors fire conditions through a monitoring device, blows air from inside the high-voltage switchgear into the early warning box through a blower, transmits fire alarm signals through a signal transmission device, and triggers an alarm through an alarm device.

[0006] This utility model discloses a fire early warning device for high-voltage switchgear, comprising an early warning box; it also includes a filtering device, a monitoring device, a blowing device, a signal transmission device, and an alarm device, all of which are installed on the early warning box. The filtering device isolates dust inside the high-voltage switchgear, the monitoring device monitors the fire situation, the blowing device blows air into the early warning box, the signal transmission device transmits signals, and the alarm device sounds an alarm. The device isolates dust inside the high-voltage switchgear, the monitoring device monitors the fire situation, the blowing device blows air from inside the high-voltage switchgear into the early warning box, the signal transmission device transmits the fire alarm signal, and the alarm device sounds an alarm.

[0007] Preferably, the warning box includes a box body, a powerful magnet, a gas collection hood, a mounting frame, a bracket, a mounting plate, an exhaust screen, and a controller. The powerful magnet is mounted on the box body. The gas collection hood, mounting frame, and mounting plate are all installed inside the box body. The mounting frame is located on the right side of the bracket, the mounting plate is located on the right side of the mounting frame, the bracket is installed on the side end of the mounting frame, the exhaust screen is installed on the side end of the box body, and the controller is installed on the top of the box body. The box body is magnetically attached to the air outlet of the high-voltage cabinet by the powerful magnet. The mounting frame, bracket, and mounting plate provide support, and the exhaust screen provides ventilation.

[0008] Preferably, the filtration device includes a filter plate, which is installed on the side of the housing and has filter holes; the filter holes isolate the dust from the high-voltage cabinet.

[0009] Preferably, the monitoring device includes a flame sensor, a combustible gas sensor, and a temperature sensor. The flame sensor is mounted on a bracket and passes through a filter hole. The combustible gas sensor and the temperature sensor are both mounted on a mounting plate, with the combustible gas sensor located above the temperature sensor. The flame is monitored by the flame sensor, the combustible gas is monitored by the combustible gas sensor, and the temperature is monitored by the temperature sensor.

[0010] Preferably, the blowing device includes a motor and a motor shaft. The motor is mounted on the side of the mounting bracket, and the output end of the motor is rotatably connected to the input end of the motor shaft. Multiple sets of fan blades are provided on the motor shaft. By starting the motor, the motor shaft and fan blades are driven to rotate, and the gas in the high-pressure cabinet is input into the interior of the housing.

[0011] Preferably, the signal transmission device includes a signal transmitter, which is installed on the top of the housing and has an antenna. When a fire warning is detected, the signal transmitter and the antenna work together to transmit the fire signal to the staff.

[0012] Preferably, the alarm device includes a buzzer, which is installed on the top of the housing and located to the right of the signal transmitter; when a fire occurs, the buzzer will be activated to alert personnel.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: the dust inside the high-voltage cabinet is isolated by the filtration device, the fire situation is monitored by the monitoring device, the air inside the high-voltage cabinet is blown into the early warning box by the blowing device, the fire alarm signal is transmitted by the signal transmission device, and the alarm is triggered by the alarm device. Attached Figure Description

[0014] Figure 1 This is a structural cross-sectional view of the present invention;

[0015] Figure 2 yes Figure 1 A structural cross-sectional view of the early warning box and monitoring device in this utility model;

[0016] Figure 3 This is an isometric drawing of the structure of this utility model;

[0017] Figure 4 This is the structural isometric drawing of this utility model.

[0018] The attached diagram is labeled as follows: 01, Warning Box; 11, Box Body; 12, Strong Magnet; 13, Gas Collection Hood; 14, Mounting Frame; 15, Bracket; 16, Mounting Plate; 17, Exhaust Screen; 18, Controller; 02, Filter Device; 21, Filter Plate; 22, Filter Holes; 03, Monitoring Device; 31, Flame Sensor; 32, Combustible Gas Sensor; 33, Temperature Sensor; 04, Blowing Device; 41, Motor; 42, Motor Shaft; 43, Fan Blade; 05, Signal Transmission Device; 51, Signal Transmitter; 52, Antenna; 06, Alarm Device; 61, Buzzer. Detailed Implementation

[0019] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. This utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete. Example 1

[0020] A fire early warning device for a high-voltage switchgear includes an early warning box 01; characterized in that it further includes a filter device 02, a monitoring device 03, a blowing device 04, a signal transmission device 05, and an alarm device 06, wherein the filter device 02, the monitoring device 03, the blowing device 04, the signal transmission device 05, and the alarm device 06 are all installed on the early warning box 01.

[0021] The filter device 02 isolates the dust inside the high-voltage cabinet, the monitoring device 03 monitors the dust, the blowing device 04 blows in air, the signal transmission device 05 transmits signals, and the alarm device 06 sounds an alarm.

[0022] The warning box 01 includes a box body 11, a strong magnet 12, a gas collection hood 13, a mounting frame 14, a bracket 15, a mounting plate 16, an exhaust screen 17, and a controller 18. The strong magnet 12 is mounted on the box body 11. The gas collection hood 13, the mounting frame 14, and the mounting plate 16 are all installed inside the box body 11. The mounting frame 14 is located to the right of the bracket 15, and the mounting plate 16 is located to the right of the mounting frame 14. The bracket 15 is installed on the side end of the mounting frame 14, the exhaust screen 17 is installed on the side end of the box body 11, and the controller 18 is installed on the top of the box body 11.

[0023] The monitoring device 03 includes a flame sensor 31, a combustible gas sensor 32, and a temperature sensor 33. The flame sensor 31 is mounted on the bracket 15 and passes through the filter hole 22. The combustible gas sensor 32 and the temperature sensor 33 are both mounted on the mounting plate 16, with the combustible gas sensor 32 located above the temperature sensor 33.

[0024] The blower device 04 includes a motor 41 and a motor shaft 42. The motor 41 is mounted on the side of the mounting bracket 14. The output end of the motor 41 is rotatably connected to the input end of the motor shaft 42. Multiple sets of fan blades 43 are provided on the motor shaft 42.

[0025] The signal transmission device 05 includes a signal transmitter 51, which is installed on the top of the housing 11, and an antenna 52 is provided on the signal transmitter 51.

[0026] The alarm device 06 includes a buzzer 61, which is installed on the top of the housing 11 and is located to the right of the signal transmitter 51.

[0027] Monitoring device 03 performs monitoring, air blowing device 04 blows in air, signal transmission device 05 transmits signals, and alarm device 06 sounds an alarm.

[0028] The enclosure 11 is installed at the air outlet of the high-voltage cabinet using a strong magnet 12. When the motor 41 is started, it drives the motor shaft 42 and fan blades 43 to rotate, introducing the gas in the high-voltage cabinet into the interior of the enclosure 11. The flame is monitored by the flame sensor 31, the combustible gas is monitored by the combustible gas sensor 32, and the temperature is monitored by the temperature sensor 33. In the event of a fire, the fire signal is transmitted to the staff through the signal transmitter 51 and the antenna 52. At the same time, the buzzer 61 will be activated to remind the staff, thus facilitating fire extinguishing. Example 2

[0029] like Figures 1 to 4 As shown, in addition to Embodiment 1, a filter device 02 is also included;

[0030] The filter device 02 includes a filter plate 21, which is installed on the side of the housing 11 and has filter holes 22.

[0031] Filter device 02 isolates dust inside the high-voltage cabinet;

[0032] Dust from the high-voltage cabinet is isolated through filter holes 22.

[0033] This utility model discloses a fire early warning device for a high-voltage switchgear. In operation, the housing 11 is first installed at the air outlet of the high-voltage switchgear using a powerful magnet 12. The motor 41 is started, driving the motor shaft 42 and fan blades 43 to rotate, allowing gas from the high-voltage switchgear to be introduced into the housing 11 through the filter 22. A flame sensor 31 monitors the flame, a combustible gas sensor 32 monitors the combustible gas, and a temperature sensor 33 monitors the temperature. In the event of a fire, a fire signal is transmitted to personnel via a signal transmitter 51 and an antenna 52. Simultaneously, a buzzer 61 is activated to alert personnel, facilitating firefighting efforts.

[0034] The filter plate 21, flame sensor 31, combustible gas sensor 32, temperature sensor 33, motor 41, signal transmitter 51, antenna 52 and buzzer 61 of this utility model are purchased from the market. Technical personnel in this industry only need to install and operate them according to the accompanying instruction manual, without requiring any creative work from those skilled in the art.

[0035] The main function of this utility model is to isolate dust and extend the service life of the equipment.

[0036] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A high-voltage switch cabinet fire early warning device, comprising an early warning box (01); characterized in that, It also includes a filter device (02), a monitoring device (03), a blowing device (04), a signal transmission device (05), and an alarm device (06), all of which are installed on the warning box (01); The filter device (02) isolates the dust inside the high-voltage cabinet, the monitoring device (03) monitors, the blowing device (04) blows in air, the signal transmission device (05) transmits signals, and the alarm device (06) sounds an alarm.

2. The high-voltage switch cabinet fire warning device according to claim 1, characterized in that, The warning box (01) includes a box body (11), a strong magnet (12), a gas collection hood (13), a mounting frame (14), a bracket (15), a mounting plate (16), an exhaust net (17), and a controller (18). The strong magnet (12) is installed on the box body (11). The gas collection hood (13), the mounting frame (14), and the mounting plate (16) are all installed inside the box body (11). The mounting frame (14) is located to the right of the bracket (15), and the mounting plate (16) is located to the right of the mounting frame (14). The bracket (15) is installed at the side end of the mounting frame (14). The exhaust net (17) is installed at the side end of the box body (11), and the controller (18) is installed at the top of the box body (11).

3. The high-voltage switch cabinet fire warning device according to claim 2, characterized in that, The filter device (02) includes a filter plate (21), which is installed on the side of the housing (11) and has filter holes (22).

4. The high-voltage switch cabinet fire warning device of claim 2, wherein, The monitoring device (03) includes a flame sensor (31), a combustible gas sensor (32) and a temperature sensor (33). The flame sensor (31) is mounted on a bracket (15) and passes through a filter hole (22). The combustible gas sensor (32) and the temperature sensor (33) are both mounted on a mounting plate (16), with the combustible gas sensor (32) located above the temperature sensor (33).

5. A high-voltage switchgear fire early warning device as described in claim 2, characterized in that, The blower (04) includes a motor (41) and a motor shaft (42). The motor (41) is mounted on the side of the mounting bracket (14). The output end of the motor (41) is rotatably connected to the input end of the motor shaft (42). Multiple sets of fan blades (43) are provided on the motor shaft (42).

6. A high-voltage switchgear fire early warning device as described in claim 2, characterized in that, The signal transmission device (05) includes a signal transmitter (51), which is installed on the top of the housing (11) and has an antenna (52) on it.

7. A high-voltage switchgear fire early warning device as described in claim 6, characterized in that, The alarm device (06) includes a buzzer (61), which is installed on the top of the housing (11) and is located to the right of the signal transmitter (51).

Citation Information

Patent Citations

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