CN211486336U

CN211486336U - Fire-fighting early warning and gas fire extinguishing device for high-voltage switch cabinet

Info

Publication number: CN211486336U
Application number: CN201922214753.3U
Authority: CN
Inventors: 石清元
Original assignee: Shanghai Kooling Intelligent Electronic Equipment Co ltd
Current assignee: Shanghai Kooling Intelligent Electronic Equipment Co ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-09-15
Anticipated expiration: 2029-12-05

Abstract

The utility model relates to a high tension switchgear fire control early warning and gaseous extinguishing device, include: the fire detector is electrically connected with the sensing and control module, the gas fire extinguisher is provided with an electric control valve, the electric control valve is electrically connected with the sensing and control module to realize data communication, and the sensing and control module is electrically connected with the fire-fighting early-warning device to realize data communication. The fire-fighting early warning device is a buzzer, the fire detector is composed of a temperature sensor and a smoke sensor, the gas extinguisher is composed of a gas cylinder nozzle and a gas cylinder, and an electric control valve is arranged between the gas cylinder nozzle and the gas cylinder. The utility model can automatically sense the fire and send out alarm prompt, and can automatically open the fire extinguishing device to extinguish fire in time; the fire-fighting protection device is suitable for the fire-fighting protection requirements in relatively sealed spaces such as a high-voltage switch cabinet and the like, and ensures the safe and normal work of the high-voltage switch cabinet; the utility model discloses low in manufacturing cost is suitable for extensive popularization and application.

Description

Fire-fighting early warning and gas fire extinguishing device for high-voltage switch cabinet

Technical Field

The utility model belongs to the technical field of extinguishing device, especially, relate to a high tension switchgear fire control early warning and gaseous extinguishing device, make high tension switchgear's fire control early warning and fire extinguishing operation more intelligent, more convenient, more swift.

Background

The high-voltage switch cabinet is an electric device which is used for power generation, power transmission, power distribution, electric energy conversion and consumption of an electric power system and plays roles of on-off, control or protection and the like. With the rapid increase of domestic economy, the application of electric power equipment such as high-voltage switch cabinets and the like is increasingly wide. Because the high-voltage switch cabinet is a closed space, and various electronic devices in the high-voltage switch cabinet can generate a large amount of heat in the working process, the internal temperature of the high-voltage switch cabinet is overhigh, or various electronic devices generate sparks due to faults such as short circuit in the working process, and the like, the fire hazard brought by the faults also greatly threatens the property and life safety of people. Particularly, in a relatively sealed space such as a high-voltage switch cabinet, a fire is not easy to find in an early stage, and once found, the fire is often difficult to control.

The existing fire extinguishing technology or fire extinguishing device on the market mainly has the following defects: the dry powder fire extinguisher has no early warning function, and generally has the defects of low fire extinguishing efficiency, uneven spraying, serious pollution after fire extinguishment, difficult cleaning and the like. Professional inert gas extinguishers usually require a pressure vessel to store the gas, and the piping and control for gas delivery is also complicated and expensive. The common water spraying system is mainly used for industrial and civil buildings, has high water consumption during fire extinguishing, has conductivity, and is not suitable for fire extinguishing requirements of occasions such as high-voltage switch cabinets and the like. Particularly, most of the existing fire extinguishers adopt manual switch valves to carry out manual operation fire extinguishment, and field personnel are required to have certain professional operation skills. In addition, once the fire is big, the high tension of field personnel is inevitable, and the best fire extinguishing time can be missed due to improper use and operation of the fire extinguisher caused by the tension of the operator.

Disclosure of Invention

The utility model aims at overcoming the above-mentioned not enough and the defect that exists among the prior art, providing a structural design is simple, reasonable, is suitable for fire control early warning and the extinguishing device that occasions such as high tension switchgear used. The utility model discloses the technical scheme who adopts as follows:

high tension switchgear fire control early warning and gaseous extinguishing device include: the fire detector is electrically connected with the sensing and control module, the gas fire extinguisher is provided with an electric control valve for controlling gas injection, the electric control valve is electrically connected with the sensing and control module to realize data communication, and the sensing and control module is electrically connected with the fire-fighting early-warning device to realize data communication.

Preferably, the fire-fighting early warning device is a buzzer, the fire detector is composed of a temperature sensor and a smoke sensor, the gas extinguisher is composed of a gas cylinder nozzle and a gas cylinder, and an electric control valve is arranged between the gas cylinder nozzle and the gas cylinder;

the temperature sensor is sequentially electrically connected with the sensing and control module and the buzzer to realize data communication, the smoke sensor is sequentially electrically connected with the sensing and control module and the electric control valve to realize data communication, and the system power supply is sequentially electrically connected with the buzzer, the temperature sensor, the smoke sensor and the sensing and control module.

The high-voltage switch cabinet fire-fighting early warning and gas fire extinguishing device is arranged in the closed space of the high-voltage switch cabinet, the fire detector monitors the temperature value and the smoke concentration inside the high-voltage switch cabinet in real time, the fire-fighting early warning device gives an early warning in time when the temperature is too high and fire hazard is caused, and the gas fire extinguisher releases fire extinguishing gas and automatically extinguishes the fire in time when the electric control valve is automatically opened in case of fire.

The utility model has the advantages that:

1) the utility model discloses simple structure, the design science, reliable degree is high, but the auto-induction conflagration bud sends the suggestion of reporting to the police, can open gas extinguisher in time to put out a fire automatically.

2) The utility model discloses be adapted to the fire prevention demand of putting out a fire in relative sealed space such as high tension switchgear, guarantee its safe normal work.

3) The utility model discloses low in manufacturing cost is suitable for extensive popularization and application.

Drawings

In order to more 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. It should be apparent that the drawings in the following description are illustrative of some embodiments of the invention, and that those skilled in the art will be able to derive other drawings without inventive step from these drawings, which are within the scope of the present application.

Fig. 1 is a schematic diagram of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a fire-fighting early warning and gas fire extinguishing device according to an embodiment of the present invention.

In the figure, 1-a sensing part shell, 2-a sensing and control module, 3-a smoke sensing hole, 4-a gas cylinder nozzle, 5-a gas cylinder cover, 6-a gas cylinder and 7-an electric control valve.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1, is a schematic diagram of the embodiment of the present invention. High tension switchgear fire control early warning and gaseous extinguishing device include: the fire detector is electrically connected with the sensing and control module, and the sensing and control module is respectively electrically connected with the gas fire extinguisher and the fire-fighting early-warning device to realize data communication. The gas fire extinguisher is provided with an electric control valve which is used for controlling the gas fire extinguisher to spray extinguishing agent. The fire detector collects information (temperature and smoke concentration inside the high-voltage switch cabinet) related to a fire on site, and compares the collected fire information (smoke concentration) with a preset fire threshold (smoke concentration threshold). Once the fire source is judged to appear, the electric control valve is opened to automatically control the gas fire extinguisher to spray the fire extinguishing agent to extinguish the fire when the set conditions are met. The fire detector compares the acquired temperature information with a preset temperature threshold value of fire-fighting early warning; in case the temperature is too high, probably the seedling of conflagration breaks out, when according with the condition automatic start fire control early warning ware carries out the fire control early warning, reminds maintainer. Use the utility model discloses, can reach the conflagration and the potential danger of high tension switchgear "in time discover, put out" purpose in early stage for the loss of conflagration is fallen to the minimum.

Fig. 2 is a schematic structural diagram of a fire-fighting early warning and gas fire extinguishing device according to an embodiment of the present invention. High tension switchgear fire control early warning and gaseous extinguishing device include: the device comprises a sensing part shell 1, a sensing and control module 2, a smoke sensing hole 3, a gas cylinder nozzle 4, a gas cylinder cover 5, a gas cylinder 6, an electric control valve 7, a temperature sensor, a buzzer and a smoke sensor. Temperature sensor, bee calling organ, smoke transducer, response and control module 2 set up in response part shell 1, and temperature sensor is connected with response and control module 2, bee calling organ electricity in proper order, and smoke transducer is connected with response and control module 2, electric control valve 7 electricity in proper order, and smoke transducer sees through the inside smog concentration of smoke sensing hole 3 response high tension switchgear. The smoke sensor is connected with the induction and control module 2, and the electric control valve is controlled by the induction and control module 2 to automatically open, deflate and extinguish fire. The upper part of the gas cylinder 6 is provided with a gas cylinder cover 5, and an electric control valve 7 is arranged in the gas cylinder cover 5 and used for controlling the gas cylinder nozzle 4 to spray gas for extinguishing fire.

In this embodiment, the fire extinguishing agent of the gas fire extinguisher is inert gas, and the inert gas is contained in the gas cylinder 6. Once the smoke sensor penetrates through the smoke sensing hole 3 to acquire the concentration of the micro smoke inside the high-voltage switch cabinet, the electric control valve is automatically opened, and the gas fire extinguisher sprays inert gas from the gas cylinder nozzle 4 to extinguish early fire in time.

In another embodiment of the present invention, the number of the temperature sensors is more than one; the number of smoke sensors is more than one. According to the structural characteristics of the high-voltage switch cabinet, a plurality of temperature sensors and smoke sensors can be arranged at different positions, so that the three-dimensional monitoring of the fire hazard of the high-voltage switch cabinet is realized.

In another embodiment of the utility model, the gas cylinder nozzle 4 is divided into the gas cylinder of a plurality of different angles and divides the nozzle, can distribute a plurality of gas cylinders on the different angles and the direction of high tension switchgear and divide the nozzle according to the structural feature of high tension switchgear, in case there is the conflagration emergence, can spray inert gas to the fire source multi-angle of high tension switchgear to reach the purpose of putting out a fire fast.

The utility model discloses a further embodiment, still include the pilot lamp, the pilot lamp is connected, is used for indicateing fire detector's operating condition with the fire detector electricity. The system power supply is electrically connected with the indicator lamp.

In this embodiment, the methods of controlling the buzzer to warn and controlling the electric control valve to open by the sensing and controlling module and the preset threshold are all the prior art, and are not described herein again.

Finally, it is to be noted that: the above embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, and the scope of the present invention is not limited thereto. Those skilled in the art will understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.

Claims

1. High tension switchgear fire control early warning and gaseous extinguishing device, its characterized in that includes: the fire detector is electrically connected with the sensing and control module, the gas fire extinguisher is provided with an electric control valve for controlling gas injection, the electric control valve is electrically connected with the sensing and control module to realize data communication, and the sensing and control module is electrically connected with the fire-fighting early-warning device to realize data communication.

2. The high-voltage switch cabinet fire-fighting early warning and gas fire extinguishing device as recited in claim 1, wherein the fire-fighting early warning device is a buzzer, the fire detector is composed of a temperature sensor and a smoke sensor, the gas fire extinguisher is composed of a gas cylinder nozzle and a gas cylinder, and an electric control valve is arranged between the gas cylinder nozzle and the gas cylinder;

3. The high voltage switch cabinet fire-fighting early warning and gas fire extinguishing device according to claim 2, wherein the number of the temperature sensors is more than one.

4. The high voltage switch cabinet fire-fighting early warning and gas fire extinguishing device according to claim 2, wherein the number of the smoke sensors is more than one.

5. The high voltage switchgear fire warning and gas fire extinguishing apparatus as claimed in claim 2, wherein said gas cylinder nozzle is divided into a plurality of different angle gas cylinder nozzles.

6. The high-voltage switch cabinet fire-fighting early warning and gas fire extinguishing device according to any one of claims 1 to 5, further comprising an indicator light electrically connected with the fire detector for indicating the working state of the fire detector.

7. The high voltage switch cabinet fire warning and gas fire suppression apparatus of claim 6, wherein the system power supply is electrically connected to the indicator light.