Multifunctional electrical fire warning system

By designing a multi-functional electrical fire early warning system, using infrared temperature sensors and smoke sensors for real-time monitoring, and automatic cooling and smoke filtering through fans and air pumps, the problems of fire and environmental pollution caused by short circuits in electrical equipment are solved, and early warning of fires and effective filtration of smoke are achieved.

CN111243218BActive Publication Date: 2025-05-09广西华超电气有限公司
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Patent Information

Application Number
CN202010185034.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-03-17
Publication Date
2025-05-09
Estimated Expiration
2040-03-17

AI Technical Summary

Technical Problem

Electrical equipment may cause fires when short-circuited, and the prior art is difficult to achieve automatic early warning and smoke filtration, resulting in fire expansion and environmental pollution.

Method used

A multifunctional electrical fire early warning system is designed, including early warning device, filter device and control device. The early warning device detects the temperature and smoke of the electrical equipment through infrared temperature sensors and smoke sensors, and the control device sends early warning information based on the detection data and starts the fan and air pump. The filter device filters the smoke through a horn-shaped filter.

Benefits of technology

Early warning of electrical equipment fires is achieved, the probability of fires is reduced, and harmful particulate matter in smoke is removed through filtering devices, reducing environmental pollution.

✦ Generated by Eureka AI based on patent content.

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    Figure CN111243218B_ABST
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Abstract

The present invention discloses a multifunctional electrical fire early warning system, which comprises: an early warning device, which comprises a first box, an infrared temperature sensor, a smoke sensor, a first fan and a buzzer, and is used to monitor the temperature change of the electrical equipment; a filtering device, which comprises a filtering box, an air pump, a second fan and an electric control valve, and is used to filter the smoke generated in the equipment room; a control device, which comprises a controller and a wireless transmission device, and the controller is electrically connected to the infrared temperature sensor, the smoke sensor, the first fan, the second fan, the buzzer, the electric control valve, the air pump and the wireless transmission device. The present invention has the functions of early warning of fire hazards and avoiding fires.
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Description

Technical Field

[0001] The present invention relates to the field of electrical fire early warning, and more particularly to a multifunctional electrical fire early warning system. Background Art

[0002] When electrical equipment is short-circuited, a large amount of heat will be generated, which may not only burn the electrical equipment, but also cause a fire. Electrical equipment usually needs to work uninterruptedly, which makes the labor cost of real-time monitoring high. If personnel are not arranged for uninterrupted monitoring, when a fire occurs, it is often not discovered until it develops to a larger scale, causing great losses. In addition, the thick smoke generated by the short circuit of electrical equipment is directly discharged into the environment, seriously polluting the environment. Summary of the invention

[0003] An object of the present invention is to solve at least the above problems and / or disadvantages and to provide at least the advantages which will be described hereinafter.

[0004] Another object of the present invention is to provide a multifunctional electrical fire warning system, which can provide early warning and automatic temperature reduction intervention for fire, thereby reducing the probability of fire occurrence, and when a fire occurs, it can filter the smoke generated by the fire to remove harmful particulate matter in the smoke, and has the function of quickly clearing smoke in the room of electrical equipment.

[0005] In order to achieve these objects and other advantages of the present invention, a multifunctional electrical fire warning system is provided, comprising:

[0006] An early warning device, comprising a first box, an infrared temperature sensor, a smoke sensor, a first fan and a buzzer, wherein the cross section of the first box is rectangular, a first air inlet is arranged at the bottom of the first box, the smoke sensor and the humidity sensor are both arranged in the first box, the infrared temperature sensor and the buzzer are both arranged on the outside of the first box, a first air outlet is arranged at the top of the first box, and the first fan is arranged at the first air inlet;

[0007] A filter device, comprising a filter box and an air pump, wherein the filter box is in a trumpet-shaped structure, a second air inlet is arranged at the bottom of the filter box, a second air outlet is arranged at the top of the filter box, the first air outlet is connected with the second air inlet through a first pipe, the air pump is arranged on the air pump, a second pipe is arranged at the second air outlet, a second fan is arranged at the second air outlet, the second pipe is connected to the outside of the electrical equipment room, the first air outlet is connected with the second pipe through a third pipe, and an electric control valve is arranged on the third pipe;

[0008] A control device, comprising a controller and a wireless transmission device, wherein the controller is electrically connected to the infrared temperature sensor, the smoke sensor, the first fan, the second fan, the buzzer, the electric control valve, the air pump and the wireless transmission device, the infrared temperature sensor transmits the detected temperature of the electrical equipment to the controller, and the controller stores the temperature and analyzes the temperature change;

[0009] When the temperature increase rate is greater than a preset value V and the duration is greater than T, the controller sends a first warning message to the management background and the operator through a wireless transmission device, and the controller starts the first fan and the second fan;

[0010] When the temperature detected by the infrared temperature sensor is greater than the preset value C1, the controller sends a second warning message to the management background and the operator through the wireless transmission device, the buzzer sounds a buzzer, and the controller starts the first fan and the second fan;

[0011] When the temperature detected by the infrared temperature sensor is greater than the preset value C2, and the smoke sensor detects smoke, the controller sends an alarm message to the management background and the operator through the wireless transmission device, the buzzer sounds a buzzer, the controller starts the first fan, the second fan and the air pump, and closes the electronically controlled valve.

[0012] Preferably, a trumpet-shaped air inlet structure is provided in the first housing, the first fan is provided at the opening of the trumpet-shaped air inlet structure, the smoke sensor is provided in the first duct, and the tail of the air inlet structure is connected to the first air outlet. The smoke sensor is provided in the duct so that it can sense when there is less smoke, thereby improving the sensitivity of the sensing.

[0013] Preferably, a humidity sensor is further included, and the humidity sensor is arranged in the first pipe.

[0014] Preferably, a filter screen is provided in the filter box, the filter screen is in a trumpet-shaped structure, the trumpet-shaped opening of the filter screen is connected and fixed in the filter box through an annular connector, and baffles are arranged alternately between the filter screen and the filter box. By providing a filter screen with a trumpet-shaped structure, the filtration area can be effectively increased, and by providing a filter screen, harmful particulate matter in the airflow is dissolved in the purified liquid in the filter box; by providing a baffle, the airflow passes through the filter screen at the bottom of the filter screen, avoiding the airflow gathering at the top of the filter screen, thereby improving the filtration efficiency.

[0015] Preferably, a solar panel is arranged above the first box, and the solar panel is electrically connected to the controller, infrared temperature sensor, smoke sensor, fan, buzzer, electric control valve, air pump and wireless transmission device to provide power.

[0016] Preferably, the electrical equipment room is provided with a heat dissipation window, and the heat dissipation window is provided with an electric-controlled window door, which is electrically connected to the controller. When the early warning device detects a fire in the electrical equipment, the electric-controlled window door closes the heat dissipation window, so that the equipment room forms a closed space, reduces air circulation, reduces the oxygen concentration in the equipment room, and prevents the fire from spreading and expanding.

[0017] Preferably, a dry ice storage tank is provided in the electrical equipment room, and the electric control switch on the dry ice storage tank is electrically connected to the controller. When the temperature rise rate is greater than a preset value V and the duration is greater than T, the electric control switch is turned on to release carbon dioxide for cooling; when the temperature detected by the infrared temperature sensor is greater than a preset value C1, the controller closes the electric control windows and doors, turns on the electric control switch, starts the first fan and the second fan, and opens the electric control valve; when the temperature detected by the infrared temperature sensor is greater than a preset value C2, and the smoke sensor detects smoke, the controller closes the electric control windows and doors, turns on the electric control switch, starts the first fan and the second fan, starts the air pump, and closes the electric control valve.

[0018] Preferably, a sewage outlet is provided at the bottom of the filter box, and a ball valve is provided at the sewage outlet.

[0019] Preferably, the controller transmits the information detected in real time by the infrared temperature sensor, the smoke sensor and the humidity sensor to the management background through a wireless transmission device, and the management background stores the information and displays it on a display.

[0020] The present invention includes at least the following beneficial effects: real-time monitoring of the operation of electrical equipment by infrared temperature sensors, when the temperature of electrical equipment rises sharply, it indicates that the electrical equipment may be in danger of short circuit, and timely sending warning information to the management background and the mobile phone of the operator, so that the operator can respond to the warning in time; filtering the generated thick smoke by filtering the filter device to prevent the harmful particulate matter in the thick smoke from being released into the environment and polluting the environment; by setting a dry ice storage tank, when the temperature of the electrical equipment is high, the temperature of the equipment is reduced by carbon dioxide, and carbon dioxide is covered around the electrical equipment to isolate oxygen and prevent the electrical equipment from catching fire. The present invention has the functions of early warning of fire hazards and preventing fires.

[0021] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through study and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic structural diagram of an embodiment of the present invention.

[0023] 1. Early warning device; 2. Filter device; 3. Infrared temperature sensor; 4. First fan; 5. Air inlet structure; 6. Smoke sensor; 7. Humidity sensor; 8. Air pump; 9. Electric control valve; 10. Filter box; 11. Filter net; 12. Second fan; 13. Ball valve; 14. Baffle. DETAILED DESCRIPTION

[0024] The present invention is further described in detail below in conjunction with the accompanying drawings so that those skilled in the art can implement the invention with reference to the description.

[0025] It should be understood that the terms such as “having”, “including” and “comprising” used herein do not exclude the existence or addition of one or more other elements or combinations thereof.

[0026] Example

[0027] A multifunctional electrical fire early warning system, comprising:

[0028] An early warning device 1 comprises a first box, an infrared temperature sensor 3, a smoke sensor 6, a first fan 4 and a buzzer, wherein the cross section of the first box is rectangular, a first air inlet is arranged at the bottom of the first box, the smoke sensor 6 and the humidity sensor 7 are both arranged in the first box, the infrared temperature sensor 3 and the buzzer are both arranged on the outside of the first box, a first air outlet is arranged at the top of the first box, and the first fan 4 is arranged at the first air inlet;

[0029] A filter device 2, comprising a filter box 10 and an air pump 8, wherein the filter box 10 is a trumpet-shaped structure, a second air inlet is provided at the bottom of the filter box 10, a second air outlet is provided at the top of the filter box 10, the first air outlet is connected to the second air inlet through a first pipe, the air pump 8 is provided on the air pump 8, a second pipe is provided at the second air outlet, a second fan 12 is provided at the second air outlet, the second pipe is connected to the outside of the electrical equipment room, the first air outlet is connected to the second pipe through a third pipe, and an electric control valve 9 is provided on the third pipe;

[0030] A control device, comprising a controller and a wireless transmission device, wherein the controller is electrically connected to the infrared temperature sensor 3, the smoke sensor 6, the first fan 4, the second fan 12, the buzzer, the electric control valve 9, the air pump 8 and the wireless transmission device, the infrared temperature sensor 3 transmits the detected temperature of the electrical equipment to the controller, and the controller stores the temperature and analyzes the temperature change;

[0031] When the temperature increase rate is greater than a preset value V and the duration is greater than T, the controller sends a first warning message to the management background and the operator through a wireless transmission device, and the controller starts the first fan 4 and the second fan 12;

[0032] When the temperature detected by the infrared temperature sensor 3 is greater than the preset value C1, the controller sends a second warning message to the management background and the operator through the wireless transmission device, the buzzer sounds, and the controller starts the first fan 4 and the second fan 12;

[0033] When the temperature detected by the infrared temperature sensor 3 is greater than the preset value C2, and the smoke sensor 6 detects smoke, the controller sends an alarm message to the management background and the operator through the wireless transmission device, the buzzer sounds a buzzer, and the controller starts the first fan 4, the second fan 12 and the air pump 8, and closes the electric control valve 9.

[0034] Based on the above embodiment, in one embodiment, a trumpet-shaped air inlet structure 5 is provided in the first box, the first fan 4 is provided at the opening of the trumpet-shaped air inlet structure 5, the smoke sensor 6 is provided in the first duct, and the tail of the air inlet structure 5 is connected to the first air outlet. The smoke sensor 6 is provided in the duct so that it can sense when there is less smoke, thereby improving the sensitivity of the sensing.

[0035] Based on the above embodiment, in one embodiment, a humidity sensor 7 is further included, and the humidity sensor 7 is arranged in the first pipe.

[0036] On the basis of the above embodiments, in one embodiment, a filter screen 11 is provided in the filter box 10, and the filter screen 11 is in a trumpet-shaped structure. The trumpet-shaped opening of the filter screen 11 is connected and fixed in the filter box 10 through an annular connector, and baffles 14 are arranged alternately between the filter screen 11 and the filter box 10. By providing the trumpet-shaped filter screen 11, the filtering area can be effectively increased, and by providing the filter screen 11, harmful particulate matter in the airflow is dissolved in the purified liquid in the filter box 10; by providing the baffles 14, the airflow passes through the filter screen 11 at the bottom of the filter screen 11, avoiding the airflow from gathering at the top of the filter screen 11, thereby improving the filtering efficiency.

[0037] Based on the above embodiments, in one embodiment, a solar panel is arranged above the first box body, and the solar panel is electrically connected to the controller, infrared temperature sensor 3, smoke sensor 6, fan, buzzer, electric control valve 9, air pump 8 and wireless transmission device to provide power.

[0038] On the basis of the above embodiments, in one embodiment, a heat dissipation window is provided on the electrical equipment room, and an electric-controlled window door is provided on the heat dissipation window, and the electric-controlled window door is electrically connected to the controller. When the early warning device 1 detects a fire in the electrical equipment, the electric-controlled window door closes the heat dissipation window, so that the equipment room forms a closed space, reduces air circulation, reduces the oxygen concentration in the equipment room, and prevents the fire from spreading and expanding.

[0039] On the basis of the above embodiments, in one embodiment, a dry ice storage tank is provided in the electrical equipment room, and the electric control switch on the dry ice storage tank is electrically connected to the controller. When the temperature rise rate is greater than a preset value V and the duration is greater than T, the electric control switch is turned on to release carbon dioxide to cool down and isolate oxygen; when the temperature detected by the infrared temperature sensor 3 is greater than a preset value C1, C1 is less than the critical ignition point, the controller closes the electric control windows and doors, turns on the electric control switch, starts the first fan 4 and the second fan 12, and opens the electric control valve 9; when the temperature detected by the infrared temperature sensor 3 is greater than the preset value C2, C2 is the critical ignition point, and the smoke sensor 6 detects smoke, the controller closes the electric control windows and doors, turns on the electric control switch, starts the first fan 4 and the second fan 12, starts the air pump 8, and closes the electric control valve 9.

[0040] On the basis of the above embodiment, in one embodiment, a sewage outlet is provided at the bottom of the filter box 10, and a ball valve 13 is provided at the sewage outlet.

[0041] Based on the above embodiments, in one embodiment, the controller transmits the information detected in real time by the infrared temperature sensor, the smoke sensor and the humidity sensor to the management background through a wireless transmission device, and the management background stores the information and displays it on a display.

[0042] Although the embodiments of the present invention have been disclosed above, they are not limited to the applications listed in the specification and the embodiments. It can be fully applied to various fields suitable for the present invention. For those familiar with the art, additional modifications can be easily realized. Therefore, without departing from the general concept defined by the claims and equivalent scope, the present invention is not limited to the specific details and the illustrations shown and described here.

Claims

1. A multifunctional electrical fire warning system, characterized in that: include: An early warning device, comprising a first box, an infrared temperature sensor, a smoke sensor, a first fan and a buzzer, wherein the cross section of the first box is rectangular, a first air inlet is arranged at the bottom of the first box, the smoke sensor and the humidity sensor are both arranged in the first box, the infrared temperature sensor and the buzzer are both arranged on the outside of the first box, a first air outlet is arranged at the top of the first box, and the first fan is arranged at the first air inlet; A filter device, comprising a filter box and an air pump, wherein the filter box is in a trumpet-shaped structure, a second air inlet is arranged at the bottom of the filter box, a second air outlet is arranged at the top of the filter box, the first air outlet is connected with the second air inlet through a first pipe, the air pump is arranged on the first pipe, a second pipe is arranged at the second air outlet, a second fan is arranged at the second air outlet, the second pipe is connected to the outside of the electrical equipment room, the first air outlet is connected with the second pipe through a third pipe, and an electric control valve is arranged on the third pipe; A control device, comprising a controller and a wireless transmission device, wherein the controller is electrically connected to the infrared temperature sensor, the smoke sensor, the first fan, the second fan, the buzzer, the electric control valve, the air pump and the wireless transmission device, the infrared temperature sensor transmits the detected temperature of the electrical equipment to the controller, and the controller stores the temperature and analyzes the temperature change; When the temperature increase rate is greater than a preset value V and the duration is greater than T, the controller sends a first warning message to the management background and the operator through a wireless transmission device, and the controller starts the first fan and the second fan; When the temperature detected by the infrared temperature sensor is greater than the preset value C1, the controller sends a second warning message to the management background and the operator through the wireless transmission device, the buzzer sounds a buzzer, and the controller starts the first fan and the second fan; When the temperature detected by the infrared temperature sensor is greater than the preset value C2, and the smoke sensor detects smoke, the controller sends an alarm message to the management background and the operator through the wireless transmission device, the buzzer sounds a buzzer, the controller starts the first fan, the second fan and the air pump, and closes the electric control valve; The first box body is provided with a trumpet-shaped air inlet structure, the first fan is provided at the opening of the trumpet-shaped air inlet structure, the smoke sensor is provided in the first duct, and the tail end of the air inlet structure is connected with the first air outlet; The filter box is provided with a filter screen, the filter screen is in a trumpet-shaped structure, the trumpet-shaped opening of the filter screen is connected and fixed in the filter box through an annular connector, and baffles are alternately provided between the filter screen and the filter box.

2. The multifunctional electrical fire warning system according to claim 1, characterized in that: A humidity sensor is also included, and the humidity sensor is disposed in the first duct.

3. The multifunctional electrical fire warning system according to claim 1, characterized in that: A solar panel is arranged above the first box body, and the solar panel is electrically connected to the controller, infrared temperature sensor, smoke sensor, fan, buzzer, electric control valve, air pump and wireless transmission device to provide power.

4. The multifunctional electrical fire warning system according to claim 1, characterized in that: The electrical equipment room is provided with a heat dissipation window, and the heat dissipation window is provided with an electric-controlled window door, which is electrically connected to the controller.

5. The multifunctional electrical fire warning system according to claim 4, characterized in that: A dry ice storage tank is provided in the electrical equipment room. The electric control switch on the dry ice storage tank is electrically connected to the controller. When the temperature rise rate is greater than a preset value V and the duration is greater than T, the electric control switch is turned on to release carbon dioxide for cooling; When the temperature detected by the infrared temperature sensor is greater than a preset value C1, the controller closes the electric-controlled window, turns on the electric-controlled switch, starts the first fan and the second fan, and opens the electric-controlled valve; When the temperature detected by the infrared temperature sensor is greater than the preset value C2 and the smoke sensor detects smoke, the controller closes the electric-controlled window, turns on the electric-controlled switch, starts the first and second fans, starts the air pump, and closes the electric-controlled valve.

6. The multifunctional electrical fire warning system according to claim 1, characterized in that: The bottom of the filter box is provided with a sewage outlet, and a ball valve is arranged at the sewage outlet.

7. The multifunctional electrical fire warning system according to claim 2, characterized in that: The controller transmits the information detected in real time by the infrared temperature sensor, the smoke sensor and the humidity sensor to the management background through a wireless transmission device, and the management background stores the information and displays it on a display.

Citation Information

Patent Citations

  • Multifunctional early warning device for electrical fire

    CN109544847A

  • Heat dissipation and dust removal power distribution cabinet with waterlogging prevention function

    CN109818262A

  • Multifunctional electrical fire early warning system

    CN211180993U