Wireless aerosol fire extinguishing device based on power distribution cabinet

Abstract

The utility model discloses a wireless aerosol fire extinguishing device based on a power distribution cabinet, and relates to the technical field of aerosol devices, the wireless aerosol fire extinguishing device comprises an aerosol device, one end of the aerosol device is provided with a shell, the shell is internally provided with a detection module used for detecting the external environment, and the detection module is provided with a power distribution cabinet. The detection module comprises a smoke detection unit, a temperature detection unit and a single-chip microcomputer used for controlling signal transmission, the output end of the single-chip microcomputer is electrically connected with the aerosol device, and the input end of the single-chip microcomputer is electrically connected with the smoke detection unit and the temperature detection unit; through the arrangement of the detection module, the environment of the power distribution cabinet can be detected in real time, the temperature and smoke conditions in the power distribution cabinet can be checked, the fire condition in the power distribution cabinet can be distinguished in real time, early warning can be carried out, and when fire occurs, a signal is transmitted through the single chip microcomputer, so that the aerosol device is started, and the power distribution cabinet is started. Fire extinguishing is carried out in the power distribution cabinet, and personal safety is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to an aerosol fire extinguishing device, more particularly to a wireless aerosol fire extinguishing device based on a power distribution cabinet. BACKGROUND

[0002] Power distribution cabinets (boxes) are divided into power distribution cabinets (boxes) and lighting distribution cabinets (boxes), and metering cabinets (boxes), which are the last stage equipment of a power distribution system. The power distribution cabinet is the general term of the motor control center, and there are many electrical components in the power distribution cabinet. After long-term use, the internal electrical components will heat up and even cause a fire. The existing fire extinguishing device mostly uses a handheld aerosol fire extinguishing device to avoid damaging the electrical components. However, the staff manually extinguish the fire, which may affect personal safety.

[0003] Therefore, a new scheme is needed to solve this problem. UTILITY MODEL CONTENT

[0004] To solve the above technical problems, the utility model provides a wireless aerosol fire extinguishing device based on a power distribution cabinet.

[0005] The technical scheme of the utility model is as follows:

[0006] A wireless aerosol fire extinguishing device based on a power distribution cabinet, comprising an aerosol device, one end of the aerosol device is provided with a shell, a detection module for detecting the external environment is arranged in the shell, the detection module comprises a smoke detection unit, a temperature detection unit, and a single-chip microcomputer for controlling signal transmission, the output end of the single-chip microcomputer is electrically connected with the aerosol device, and the input end of the single-chip microcomputer is electrically connected with the smoke detection unit and the temperature detection unit.

[0007] The utility model is further provided with a 485 communication unit, and the 485 communication unit is connected with a 485 communication device.

[0008] The utility model is further provided with a 485 communication unit, and the 485 communication unit is connected with a 485 communication device.

[0009] The utility model is further provided with a 485 communication unit, and the 485 communication unit is connected with a 485 communication device.

[0009] The utility model is further provided with a 485 communication unit, and the 485 communication unit is connected with a 485 communication device.

[0009] The utility model is further provided with a 485 communication unit, and the 485 communication unit is connected with a 485 communication device.

[0010] The utility model further sets up, the smoke detection unit includes smoke sensor, the output of smoke sensor is connected to the input of singlechip, the pin 5 of smoke sensor is grounded, the pin 2 of smoke sensor is connected to + 5V power supply, the pin 3 of smoke sensor is connected to + 3.3V power supply.

[0011] The utility model further sets up, the temperature detection unit includes thermistor, one end of thermistor is grounded, the other end of thermistor is connected to + 3.3V power supply through resistance, one end of thermistor is connected to the input of singlechip in parallel.

[0012] The utility model has the advantages of the beneficial effects of:

[0013] Through setting up detection module in one end of aerosol device, can carry out real time detection to the environment of switch board, check the temperature and smoke condition in switch board, thereby distinguishing the fire situation in switch board, can distinguish in real time, thereby can and carry out early warning, when fire, through singlechip transmission signal, makes aerosol device start, carries out fire extinguishing in switch board, avoids causing personal safety.

[0014] And through setting up 485 communication unit, and connecting 485 communication equipment, its temperature and smoke data can be transmitted to 485 communication equipment in real time, and the staff can carry out wireless remote monitoring, and also can manually control 485 communication equipment and make aerosol device open, carry out fire extinguishing or cooling in advance, avoid the phenomenon of fire, prevent the damage of switch board internal parts, guarantee the service life of whole switch board. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structural schematic diagram of the utility model;

[0016] Figure 2 It is the circuit structure principle drawing of singlechip of the utility model;

[0017] Figure 3 It is the circuit structure principle drawing of 485 communication unit of the utility model;

[0018] Figure 4 It is the circuit structure principle drawing of smoke detection unit and temperature detection unit of the utility model;

[0019] Figure 5 It is the circuit structure principle drawing of power control unit of the utility model;

[0020] In the drawing, 1, aerosol device;2, shell. DETAILED DESCRIPTION

[0021] In order to make the technical means of the utility model more clearly understood, and can be implemented according to the content of the specification, the specific embodiment of the utility model is further described in detail below, the following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

[0022] A wireless aerosol fire extinguishing device based on a power distribution cabinet, as shown in Figures 1-5 The device comprises an aerosol device 1, one end of the aerosol device 1 is provided with a shell 2, a detection module for detecting the external environment is arranged in the shell 2, a through slot for smoke to enter is formed in the shell 2, the detection module comprises a smoke detection unit, a temperature detection unit and a single-chip microcomputer for controlling signal transmission, the output end of the single-chip microcomputer is electrically connected with the aerosol device 1, and the input end of the single-chip microcomputer is electrically connected with the smoke detection unit and the temperature detection unit.

[0023] The detection module further comprises a power control unit, the power control unit comprises a switching stabilizer U4 and a switching stabilizer U2, the model of the switching stabilizer U4 is MC33063, the VCC pin of the switching stabilizer U4 is connected with a +30V power supply and is stabilized through the switching stabilizer U4, and +5V power supply can be output from the output end, the model of the switching stabilizer U2 is SPX1117M, the Vin pin of the switching stabilizer U2 is connected with the stabilized +5V power supply, and the Vout pin of the switching stabilizer U2 outputs +3.3V power supply to supply the remaining parts on the circuit board;

[0024] The detection module further comprises a 485 communication unit, the 485 communication unit is connected with 485 communication equipment, the 485 communication unit comprises a 485 communication chip and a wiring terminal electrically connected with the 485 communication chip, the pin 1 and the pin 4 of the 485 communication chip are connected with the input end of the single-chip microcomputer, the pin 6 and the pin 7 of the 485 communication chip are connected with the pin 3 and the pin 4 of the wiring terminal respectively, the pin 5 of the 485 communication chip is grounded, the pin 8 of the 485 communication chip is connected with +3.3V power supply, and the 485 communication unit further comprises a triode Q2, the base of the triode Q2 is connected with the input end of the single-chip microcomputer through a current-limiting resistor, the collector of the triode Q2 is connected with +3.3V power supply, the emitter of the triode Q2 is grounded and is connected with the pin 2 and the pin 3 of the 485 communication chip in parallel.

[0025] The smoke detection unit comprises a smoke sensor, the output end of the smoke sensor is connected with the input end of the single-chip microcomputer, the pin 5 of the smoke sensor is grounded, the pin 2 of the smoke sensor is connected with +5V power supply, and the pin 3 of the smoke sensor is connected with +3.3V power supply.

[0026] The temperature detection unit comprises a thermistor, one end of the thermistor is grounded, the other end of the thermistor is connected with +3.3V power supply through a resistor, and the end of the thermistor connected with the power supply is connected with the input end of the single-chip microcomputer in parallel.

[0027] Working principle: by accessing temperature detection unit and smoke detection unit, can detect the external environment in time, when the temperature in the power distribution cabinet reaches the preset value and detects the smoke, can input signal to the single-chip microcomputer, then output signal to the aerosol device 1 through the single-chip microcomputer, open the aerosol device 1, extinguish the fire in the power distribution cabinet; and also access 485 communication unit, 485 communication unit access 485 communication equipment, can pass into the detected value to 485 communication equipment, the staff can carry out wireless remote monitoring, also can use 485 communication equipment to send control signal, control the switch of aerosol device 1, so that timely extinguishing fire, avoid the personal safety, also can reduce the risk as far as possible, use more convenient, and can according to the situation in the power distribution cabinet in advance extinguishing fire or cooling, avoid the phenomenon of fire, prevent the damage of the internal parts of the power distribution cabinet, ensure the service life of the whole power distribution cabinet.

[0028] The preferred embodiments described above are only the preferred embodiments of the present application, and are not used to limit the present application, it should be pointed out that, for ordinary skilled in the art, without departing from the technical principles of the present application, can make a number of improvements and modifications, these improvements and modifications should also be considered as the protection scope of the present application.

Claims

1. A wireless aerosol fire extinguishing device based on a power distribution cabinet, characterized by: The application relates to an aerosol device, one end of the aerosol device is provided with a shell, a detection module for detecting an external environment is arranged in the shell, the detection module comprises a smoke detection unit, a temperature detection unit and a single-chip microcomputer for controlling signal transmission, the output end of the single-chip microcomputer is electrically connected with the aerosol device, and the input end of the single-chip microcomputer is electrically connected with the smoke detection unit and the temperature detection unit.

2. The power cabinet based wireless aerosol fire extinguishing apparatus of claim 1, wherein: The detection module further comprises a 485 communication unit, and the 485 communication unit is connected with a 485 communication device.

3. The power cabinet based wireless aerosol fire extinguishing apparatus of claim 2, wherein: The 485 communication unit comprises a 485 communication chip and a wiring terminal electrically connected with the 485 communication chip, pin 1 and pin 4 of the 485 communication chip are connected with the input end of the single-chip microcomputer, pin 6 and pin 7 of the 485 communication chip are respectively connected with pin 3 and pin 4 of the wiring terminal, pin 5 of the 485 communication chip is grounded, and pin 8 of the 485 communication chip is connected with a +3.3V power supply.

4. The power cabinet based wireless aerosol fire extinguishing apparatus of claim 2, wherein: The 485 communication unit further comprises a triode Q2, the base of the triode Q2 is connected with the input end of the single-chip microcomputer through a current-limiting resistor, the collector of the triode Q2 is connected with a +3.3V power supply, the emitter of the triode Q2 is grounded and is connected with pin 2 and pin 3 of the 485 communication chip in parallel.

5. The power cabinet based wireless aerosol fire extinguishing apparatus of claim 1, wherein: The smoke detection unit comprises a smoke sensor, the output end of the smoke sensor is connected with the input end of the single-chip microcomputer, pin 5 of the smoke sensor is grounded, pin 2 of the smoke sensor is connected with a +5V power supply, and pin 3 of the smoke sensor is connected with a +3.3V power supply.

6. The power cabinet based wireless aerosol fire extinguishing apparatus of claim 1, wherein: The temperature detection unit comprises a thermistor, one end of the thermistor is grounded, the other end of the thermistor is connected with a +3.3V power supply through a resistor, and the end of the thermistor connected with the power supply is connected with the input end of the single-chip microcomputer in parallel.

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