Fabricated fire-fighting automatic spraying device of photovoltaic module

Abstract

The utility model relates to the technical field of assembly type fire-fighting automatic spraying of photovoltaic modules, and discloses an assembly type fire-fighting automatic spraying device of a photovoltaic module, which comprises a photovoltaic panel, and a fire-fighting mechanism is arranged below the photovoltaic panel; the fire fighting mechanism comprises a supporting frame, the upper surface of the supporting frame is fixedly connected with the bottom face of the photovoltaic panel, a water suction pump is fixedly installed on the back face of the supporting frame, the output end of the water suction pump fixedly communicates with a three-way pipe, and the end, away from the water suction pump, of the three-way pipe penetrates through the photovoltaic panel and extends into the photovoltaic panel. The outer surface of the three-way pipe fixedly communicates with high-pressure spray heads arranged at equal intervals, and a temperature sensor is fixedly installed on the outer surface of the supporting frame. According to the assembly type fire-fighting automatic spraying device of the photovoltaic module, the temperature can be detected through the temperature sensor when the photovoltaic panel is on fire, the water suction pump can directly convey water into the high-pressure spraying head through guiding of the three-way pipe, and the high-pressure spraying head sprays the water on the surface of the photovoltaic panel in a mist shape.

Description

Technical Field

[0001] The utility model relates to the technical field of assembled fire-fighting automatic sprinklers for photovoltaic modules, in particular to an assembled fire-fighting automatic sprinkler device for photovoltaic modules. Background Art

[0002] Photovoltaic modules are made by connecting a number of single cells in series and parallel, and then sealing them into a whole, so that it can convert solar energy into electrical energy. Common photovoltaic modules are mostly flat-panel packaging structures.

[0003] Existing photovoltaic modules do not have automatic fire sprinkler devices. Some photovoltaic panels of relatively poor quality do not contain diodes, or the diodes do not reach the return current rating, so that shadows can easily cause some photovoltaic cells on the photovoltaic panels to be blocked, resulting in uneven light distribution and causing short circuits or current reverse flow, thereby causing the batteries to spontaneously combust. In addition, it is inconvenient to monitor the inside of the junction box for fire prevention, making it less practical.

[0004] Therefore, those skilled in the art provide an assembled fire automatic sprinkler device for photovoltaic modules to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the utility model is to provide an assembled fire-fighting automatic sprinkler device for a photovoltaic module to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] An assembled fire-fighting automatic sprinkler device of a photovoltaic assembly comprises a photovoltaic panel, and a fire-fighting mechanism is arranged below the photovoltaic panel;

[0008] The fire-fighting mechanism includes a support frame, the upper surface of the support frame is fixedly connected to the bottom surface of the photovoltaic panel, a water pump is fixedly installed on the back of the support frame, the output end of the water pump is fixedly connected to a three-way pipe, the end of the three-way pipe away from the water pump penetrates the photovoltaic panel and extends to the inside of the photovoltaic panel, the outer surface of the three-way pipe is fixedly connected to high-pressure nozzles arranged at equal distances, a temperature sensor is fixedly installed on the outer surface of the support frame, a junction box is fixedly installed on the back of the support frame, a smoke sensor is fixedly installed on the inner top wall of the junction box, a fire extinguisher is arranged inside the junction box, the bottom surface of the fire extinguisher is in contact with the inner bottom wall of the junction box, the upper surface of the fire extinguisher is fixedly connected to a delivery pipe, the outer surface of the delivery pipe is fixedly installed with a solenoid valve, the temperature sensor is electrically connected to the water pump through a wire, and the smoke sensor is electrically connected to the solenoid valve through a wire.

[0009] As a further solution of the utility model: two supporting legs are fixedly installed on the bottom surface of the photovoltaic panel, and first connecting blocks are fixedly installed on both side surfaces of each supporting leg.

[0010] As a further solution of the utility model: two second connection blocks are fixedly installed on the outer surface of the support frame, and two circular holes are formed on the upper surface of each of the second connection blocks.

[0011] As a further solution of the utility model: a switch door is movably hinged on the back of the combiner box, and a pull block is fixedly installed on the back of the switch door.

[0012] As a further solution of the utility model: an alarm light is fixedly installed on the upper surface of the combiner box, and the alarm light is electrically connected to the temperature sensor and the smoke sensor respectively through wires.

[0013] As a further solution of the utility model: four limit bolts are arranged on the outside of the water pump, and one end of each limit bolt close to the water pump penetrates the water pump and extends to the inside of the support frame, and each limit bolt is threadedly connected to the support frame.

[0014] As a further solution of the utility model: a flange is fixedly mounted on the outer surface of the input end of the water pump, and the upper surface of the flange is provided with connection holes arranged at equal distances.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model is provided with a temperature sensor which can detect the temperature when the photovoltaic panel catches fire. When the temperature reaches the value set by the temperature sensor, the temperature sensor transmits an electrical signal to the water pump through a wire, so that the water pump can directly transmit water to the high-pressure nozzle through the guidance of the three-way pipe. The high-pressure nozzle sprays the water on the surface of the photovoltaic panel in the form of mist, so that fire extinguishing can be carried out when the photovoltaic panel catches fire, and the surface of the photovoltaic panel can be cleaned when it is safe to prevent dust and impurities from adhering to and affecting the light energy conversion of the photovoltaic panel. The inside of the junction box can be detected by the smoke sensor. When the inside of the junction box catches fire, the smoke sensor transmits an electrical signal to the solenoid valve through a wire, so that the dry powder in the fire extinguisher can be sprayed out, thereby facilitating the monitoring and fire prevention of the inside of the junction box, achieving a more practical effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of an assembled fire-fighting automatic sprinkler device for a photovoltaic module;

[0018] Figure 2 It is a schematic diagram of a sectional three-dimensional structure of a photovoltaic panel in an assembled fire automatic sprinkler device of a photovoltaic module;

[0019] Figure 3 It is a left-view stereoscopic structural diagram of a support frame in an assembled fire-fighting automatic sprinkler device of a photovoltaic module;

[0020] Figure 4 It is a schematic diagram of the left-side sectional three-dimensional structure of a junction box in an assembled fire automatic sprinkler device of a photovoltaic module.

[0021] In the figure: 1. Photovoltaic panel; 2. Fire fighting mechanism; 201. Support frame; 202. Water pump; 203. Tee pipe; 204. High-pressure nozzle; 205. Solenoid valve; 206. Temperature sensor; 207. Junction box; 208. Smoke sensor; 209. Fire extinguisher; 210. Delivery pipe; 3. Support leg; 4. First connecting block; 5. Second connecting block; 6. Round hole; 7. Switch door; 8. Pull block; 9. Alarm light; 10. Limit bolt; 11. Flange; 12. Connecting hole. DETAILED DESCRIPTION

[0022] See also Figure 1-4 , an assembled fire-fighting automatic sprinkler device of a photovoltaic module, comprising a photovoltaic panel 1, and a fire-fighting mechanism 2 is arranged below the photovoltaic panel 1;

[0023] The fire-fighting mechanism 2 includes a support frame 201, the upper surface of the support frame 201 is fixedly connected to the bottom surface of the photovoltaic panel 1, a water pump 202 is fixedly installed on the back of the support frame 201, and the output end of the water pump 202 is fixedly connected to a three-way pipe 203. Two support legs 3 are fixedly installed on the bottom surface of the photovoltaic panel 1, and the first connecting blocks 4 are fixedly installed on both sides of each support leg 3. The photovoltaic panel 1 can be supported by the support legs 3, and the first connecting blocks 4 facilitate the limiting of the photovoltaic panel 1, thereby increasing the convenience of the device.

[0024] One end of the three-way pipe 203 away from the water pump 202 passes through the photovoltaic panel 1 and extends to the interior of the photovoltaic panel 1. The outer surface of the three-way pipe 203 is fixedly connected to high-pressure nozzles 204 arranged at equal distances. The outer surface of the support frame 201 is fixedly installed with a temperature sensor 206. The outer surface of the support frame 201 is fixedly installed with two second connecting blocks 5. The upper surface of each second connecting block 5 is provided with two circular holes 6. The second connecting blocks 5 are used to facilitate the installation and positioning of the support frame 201, thereby preventing the photovoltaic panel 1 from tipping over and increasing the stability of the photovoltaic panel 1.

[0025] A junction box 207 is fixedly installed on the back of the support frame 201, a smoke sensor 208 is fixedly installed on the inner top wall of the junction box 207, a fire extinguisher 209 is arranged inside the junction box 207, and the bottom surface of the fire extinguisher 209 is in contact with the inner bottom wall of the junction box 207, and a switch door 7 is movably hinged on the back of the junction box 207, and a pull block 8 is fixedly installed on the back of the switch door 7. The switch door 7 can be manually opened by the pull block 8, thereby facilitating the installation of internal electrical components and increasing the practicability of the device.

[0026] The upper surface of the fire extinguisher 209 is fixedly connected to a delivery pipe 210, and a solenoid valve 205 is fixedly installed on the outer surface of the delivery pipe 210. The temperature sensor 206 is electrically connected to the water pump 202 through a wire, and the smoke sensor 208 is electrically connected to the solenoid valve 205 through a wire. An alarm light 9 is fixedly installed on the upper surface of the junction box 207, and the alarm light 9 is electrically connected to the temperature sensor 206 and the smoke sensor 208 through wires, respectively. The alarm light 9 can sound an alarm when a fire occurs, thereby reminding people to check quickly, which further increases the practicality of the device.

[0027] Four limiting bolts 10 are arranged on the outside of the water pump 202. The end of each limiting bolt 10 close to the water pump 202 passes through the water pump 202 and extends to the inside of the support frame 201. Each limiting bolt 10 is threadedly connected to the support frame 201. The limiting bolts 10 can increase the stability of the water pump 202, thereby preventing the water pump 202 from shaking and deviating, thereby increasing the stability of the water pump 202.

[0028] A flange 11 is fixedly installed on the outer surface of the input end of the water pump 202, and connection holes 12 are arranged at equal distances on the upper surface of the flange 11. The flange 11 can facilitate the connection between the water pump 202 and the external water pipe, thereby facilitating the spraying of the photovoltaic panel 1 and increasing the convenience of the device.

[0029] The working principle of the utility model is as follows: when in use, firstly, the water pump 202, the solenoid valve 205, the temperature sensor 206, the smoke sensor 208 and the alarm light 9 are connected to the power supply, the water pump 202 can be connected to the external water pipe through the flange 11, and the temperature sensor 206 can detect the temperature when the photovoltaic panel 1 is on fire. When the temperature reaches the value set by the temperature sensor 206, the temperature sensor 206 transmits the electrical signal to the water pump 202 through the wire, so that the water pump 202 can directly transport water to the high-pressure nozzle 204 through the guidance of the three-way pipe 203, and the high-pressure nozzle 204 sprays the water in the form of mist on the surface of the photovoltaic panel 1 , so that fire extinguishing can be carried out when the photovoltaic panel 1 catches fire, and the surface of the photovoltaic panel 1 can be cleaned when it is safe to prevent dust and impurities from adhering and affecting the light energy conversion of the photovoltaic panel 1. The inside of the junction box 207 can be detected by the smoke sensor 208. When a fire occurs inside the junction box 207, the smoke sensor 208 transmits an electrical signal to the solenoid valve 205 through a wire, so that the dry powder in the fire extinguisher 209 can be sprayed out, thereby facilitating the monitoring and fire prevention of the inside of the junction box 207. The alarm light 9 can sound an alarm when a fire occurs, so as to remind personnel to check quickly, making the assembled fire automatic sprinkler device of the photovoltaic module more practical.

[0030] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An assembled fire-fighting automatic sprinkler device of a photovoltaic module, comprising a photovoltaic panel (1), characterized in that: A fire-fighting mechanism (2) is provided below the photovoltaic panel (1); The fire fighting mechanism (2) comprises a support frame (201), the upper surface of the support frame (201) is fixedly connected to the bottom surface of the photovoltaic panel (1), a water pump (202) is fixedly installed on the back of the support frame (201), the output end of the water pump (202) is fixedly connected to a three-way pipe (203), the end of the three-way pipe (203) away from the water pump (202) passes through the photovoltaic panel (1) and extends to the inside of the photovoltaic panel (1), the outer surface of the three-way pipe (203) is fixedly connected to high-pressure nozzles (204) arranged at equal distances, the outer surface of the support frame (201) is fixedly installed with a temperature sensor (206), and the support frame ( A junction box (207) is fixedly installed on the back of the junction box (201), a smoke sensor (208) is fixedly installed on the inner top wall of the junction box (207), a fire extinguisher (209) is arranged inside the junction box (207), the bottom surface of the fire extinguisher (209) is in contact with the inner bottom wall of the junction box (207), the upper surface of the fire extinguisher (209) is fixedly connected to a delivery pipe (210), an electromagnetic valve (205) is fixedly installed on the outer surface of the delivery pipe (210), the temperature sensor (206) is electrically connected to the water pump (202) through a wire, and the smoke sensor (208) is electrically connected to the electromagnetic valve (205) through a wire.

2. The assembled fire-fighting automatic sprinkler device of a photovoltaic module according to claim 1 is characterized in that: Two supporting legs (3) are fixedly mounted on the bottom surface of the photovoltaic panel (1), and first connecting blocks (4) are fixedly mounted on both side surfaces of each supporting leg (3).

3. The assembled fire-fighting automatic sprinkler device of a photovoltaic module according to claim 1 is characterized in that: Two second connection blocks (5) are fixedly mounted on the outer surface of the support frame (201), and the upper surface of each of the second connection blocks (5) is provided with two circular holes (6).

4. The assembled fire-fighting automatic sprinkler device of a photovoltaic module according to claim 1 is characterized in that: A switch door (7) is movably hinged on the back of the combiner box (207), and a pull block (8) is fixedly installed on the back of the switch door (7).

5. The assembled fire-fighting automatic sprinkler device of a photovoltaic module according to claim 1 is characterized in that: An alarm light (9) is fixedly mounted on the upper surface of the combiner box (207), and the alarm light (9) is electrically connected to the temperature sensor (206) and the smoke sensor (208) respectively through wires.

6. The assembled fire-fighting automatic sprinkler device of a photovoltaic module according to claim 1, characterized in that: Four limiting bolts (10) are arranged on the outside of the water pump (202), and one end of each limiting bolt (10) close to the water pump (202) passes through the water pump (202) and extends to the inside of the support frame (201), and each limiting bolt (10) is threadedly connected to the support frame (201).

7. The assembled fire-fighting automatic sprinkler device of a photovoltaic module according to claim 1, characterized in that: A flange (11) is fixedly mounted on the outer surface of the input end of the water pump (202), and connection holes (12) arranged at equal distances are provided on the upper surface of the flange (11).

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