A photovoltaic off-grid power generation system control cabinet

Abstract

The utility model provides a photovoltaic off-grid power generation system control cabinet. The photovoltaic off-grid power generation system control cabinet includes: a system control cabinet for photovoltaic off-grid power generation, wherein a charging controller, an inverter, a battery and a power controller are arranged in the system control cabinet, wherein the charging controller is used to connect the solar panel and the inverter to control the charging and discharging process of electric energy; the inverter is connected to the charging controller and the power controller, and is used to control the conversion of direct current into alternating current; a fire extinguishing tank for fire extinguishing, wherein the fire extinguishing tank is arranged in the system control cabinet; a connecting pipe, wherein the connecting pipe is fixedly connected to the discharge end of the fire extinguishing tank. The photovoltaic off-grid power generation system control cabinet provided by the utility model has conventional control capabilities, and can also extinguish fire in time when a fire occurs in the system control cabinet to prevent the spread of fire, which is conducive to reducing property losses.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic off-grid power generation, in particular to a photovoltaic off-grid power generation system control cabinet. Background Art

[0002] With the transformation of the global energy structure, the importance of renewable energy, especially solar energy, has become increasingly prominent. Photovoltaic off-grid power generation systems are increasingly widely used in the fields of independent power supply and distributed energy. However, how to efficiently control and manage photovoltaic off-grid power generation systems to achieve maximum energy utilization and stable power output has always been an important technical problem in the industry. Among them, the control cabinet is the core component of the photovoltaic off-grid power generation system, and its performance directly affects the operation effect of the entire system.

[0003] At present, although the photovoltaic off-grid power generation system control cabinets on the market have basic power conversion and control functions, they still expose some significant problems and shortcomings when dealing with complex and changeable natural environments and diverse user needs. For example, due to natural factors, heat is easily accumulated inside the control cabinet, causing electrical components to overheat or even catch fire. If fire-fighting measures are not taken in time in this situation, it is likely to cause a large-scale fire, resulting in significant property losses and personal safety risks.

[0004] Therefore, it is necessary to provide a new photovoltaic off-grid power generation system control cabinet to solve the above technical problems. Utility Model Content

[0005] The utility model provides a photovoltaic off-grid power generation system control cabinet, which is designed to solve the technical problem that an internal fire cannot be extinguished in time during use of the existing photovoltaic off-grid power generation system control cabinet proposed in the above background technology.

[0006] The photovoltaic off-grid power generation system control cabinet provided by the utility model comprises: a system control cabinet for photovoltaic off-grid power generation, wherein a charging controller, an inverter, a battery and a power controller are arranged in the system control cabinet, wherein the charging controller is used to connect the solar cell panel and the inverter to control the charging and discharging process of the electric energy; the inverter is connected to the charging controller and the power controller to control the conversion of direct current into alternating current; a fire extinguishing tank for fire extinguishing, wherein the fire extinguishing tank is arranged in the system control cabinet; a connecting pipe, wherein the connecting pipe is fixedly connected to the discharge end of the fire extinguishing tank; a fire extinguishing pipe, wherein the fire extinguishing pipe is fixedly installed in the system control cabinet, and the feed end of the fire extinguishing pipe is fixedly connected to the discharge end of the connecting pipe; a cabinet door, wherein the cabinet door is arranged at one side of the system control cabinet; a heat dissipation mechanism for dissipating heat from the battery, wherein the heat dissipation mechanism is arranged on the system control cabinet and on the cabinet door.

[0007] Preferably, the heat dissipation mechanism includes a fin rack, an exhaust fan and a plurality of air holes, the fin rack is arranged in the system control cabinet, the top of the fin rack is connected to the bottom of the battery, the exhaust fan is arranged on the cabinet door, and the plurality of air holes are opened on the back of the system control cabinet.

[0008] Preferably, an assembly frame is fixedly mounted on the back of the system control cabinet, a detachable dust filter plate for filtering dust is provided on the assembly frame, and a handle is fixedly mounted on the top of the dust filter plate.

[0009] Preferably, wire tubes for inserting and exiting cables are fixedly installed on both sides of the system control cabinet, and hinges for assembling the cabinet door are fixedly installed on one side of the system control cabinet, and the hinges are fixedly connected to the cabinet door.

[0010] Preferably, a knob-type handle lock is provided on the cabinet door, a smoke sensor for detecting smoke and an automatic fire extinguishing controller are provided in the system control cabinet, the automatic fire extinguishing controller is electrically connected to the smoke sensor and the power supply controller, and an electromagnetic valve is provided on the connecting pipe, and the electromagnetic valve is electrically connected to the automatic fire extinguishing controller.

[0011] Preferably, a placement rack for placing the fire extinguisher tank is fixedly installed in the system control cabinet, and the placement rack is provided with an arc groove adapted to the fire extinguisher tank.

[0012] Preferably, a plurality of support columns are symmetrically fixedly mounted on the bottom of the system control cabinet, and insulating foot pads are fixedly mounted on the bottom ends of the plurality of support columns.

[0013] Compared with the related art, the photovoltaic off-grid power generation system control cabinet provided by the utility model has the following beneficial effects:

[0014] The utility model provides a photovoltaic off-grid power generation system control cabinet:

[0015] 1. This device realizes the basic power conversion and control functions of the photovoltaic off-grid power generation system by setting up core components such as charging controller, inverter, battery and power controller. The coordinated work of these components enables the system to effectively utilize solar energy and convert it into the required AC power; secondly, this device is specially equipped with fire extinguishing tanks, connecting pipes and fire extinguishing pipes for fire extinguishing, which can start the fire extinguishing procedure in time when a fire occurs in the system control cabinet. The perfluorohexanone fire extinguishing agent is sprayed through the connecting pipe and the fire extinguishing pipe, which can quickly extinguish the fire source, avoid the spread of fire, and reduce property losses;

[0016] 2. The heat dissipation mechanism is set up to facilitate exhaust ventilation, which is beneficial to heat dissipation and reduce the incidence of fire. The dust filter plate can be assembled through the set assembly rack, and the dust can be filtered through the set dust filter plate, which is beneficial to the cleanliness of the inside of the system control cabinet. The automatic fire extinguishing controller and smoke sensor and other safety protection measures can immediately start the fire extinguishing procedure when a fire occurs, avoiding the risk of fire expansion and property loss. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the main structure of a preferred embodiment of a photovoltaic off-grid power generation system control cabinet provided by the utility model;

[0018] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0019] Figure 3 It is a first rear view structural schematic diagram of the utility model;

[0020] Figure 4 It is a second rear view structural schematic diagram of the utility model;

[0021] Figure 5 It is a structural schematic diagram of the dust filter plate in the utility model.

[0022] Numbers in the figure: 1. System control cabinet; 2. Charging controller; 3. Inverter; 4. Battery; 5. Power controller; 6. Fire extinguisher tank; 7. Connecting pipe; 8. Fire extinguishing pipe; 9. Cabinet door; 10. Fin rack; 11. Exhaust fan; 12. Air hole; 13. Assembly frame; 14. Dust filter plate; 15. Handle; 16. Wire pipe; 17. Hinge; 18. Handle lock; 19. Smoke sensor; 20. Automatic fire extinguishing controller; 21. Solenoid valve. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0024] Please refer to Figure 1-Figure 5 ,in, Figure 1 A schematic diagram of the main structure of a preferred embodiment of a photovoltaic off-grid power generation system control cabinet provided by the utility model; Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model; Figure 3 It is a first rear view structural schematic diagram of the utility model; Figure 4 It is a second rear view structural schematic diagram of the utility model; Figure 5 It is a structural schematic diagram of the dust filter plate in the utility model.

[0025] The photovoltaic off-grid power generation system control cabinet comprises: a system control cabinet 1 for photovoltaic off-grid power generation, wherein a charging controller 2, an inverter 3, a battery 4 and a power controller 5 are arranged in the system control cabinet 1, wherein the charging controller 2 is used to connect the solar panel and the inverter 3 to control the charging and discharging process of electric energy; the inverter 3 is connected to the charging controller 2 and the power controller 5 to control the conversion of direct current into alternating current; a fire extinguishing tank 6 for fire extinguishing, wherein the fire extinguishing tank 6 is arranged in the system control cabinet 1; a connecting pipe 7, wherein the connecting pipe 7 is fixedly connected to the discharge end of the fire extinguishing tank 6; a fire extinguishing pipe 8, wherein the fire extinguishing pipe 8 is fixedly installed in the system control cabinet 1, and the feed end of the fire extinguishing pipe 8 is fixedly connected to the discharge end of the connecting pipe 7; a cabinet door 9, wherein the cabinet door 9 It is arranged on one side of the system control cabinet 1; a heat dissipation mechanism for dissipating heat from the battery 4, and the heat dissipation mechanism is arranged on the system control cabinet 1 and the cabinet door 9. The device realizes the basic power conversion and control functions of the photovoltaic off-grid power generation system by arranging core components such as the charging controller 2, the inverter 3, the battery 4 and the power controller 5. The coordinated work of these components enables the system to effectively utilize solar energy and convert it into the required alternating current; secondly, the device is specially provided with components such as a fire extinguishing tank 6, a connecting pipe 7 and a fire extinguishing pipe 8 for fire extinguishing, which can promptly start the fire extinguishing procedure when a fire occurs in the system control cabinet 1. The perfluorohexanone fire extinguishing agent is sprayed through the connecting pipe 7 and the fire extinguishing pipe 8, which can quickly extinguish the fire source, avoid the spread of fire, and reduce property losses.

[0026] The heat dissipation mechanism includes a fin rack 10, an exhaust fan 11 and a plurality of air holes 12. The fin rack 10 is arranged in the system control cabinet 1. The top of the fin rack 10 is connected to the bottom of the battery 4. The exhaust fan 11 is arranged on the cabinet door 9. The plurality of air holes 12 are all opened on the back of the system control cabinet 1. The heat dissipation mechanism is set up to facilitate exhaust ventilation, which is beneficial to heat dissipation and reduce the incidence of fire.

[0027] An assembly frame 13 is fixedly installed on the back of the system control cabinet 1, and a detachable dust filter plate 14 for filtering dust is arranged on the assembly frame 13. A handle 15 is fixedly installed on the top of the dust filter plate 14. The dust filter plate 14 can be assembled through the set assembly frame 13, and dust can be filtered through the set dust filter plate 14, which is conducive to the cleanliness of the interior of the system control cabinet 1.

[0028] Wire tubes 16 for passing cables in and out are fixedly installed on both sides of the system control cabinet 1 , and hinges 17 for assembling the cabinet door 9 are fixedly installed on one side of the system control cabinet 1 . The hinges 17 are fixedly connected to the cabinet door 9 .

[0029] The cabinet door 9 is provided with a knob-type handle lock 18, and the system control cabinet 1 is provided with a smoke sensor 19 for detecting smoke and an automatic fire extinguishing controller 20, and the automatic fire extinguishing controller 20 is electrically connected to the smoke sensor 19 and the power controller 5. The connecting pipe 7 is provided with an electromagnetic valve 21, and the electromagnetic valve 21 is electrically connected to the automatic fire extinguishing controller 20. By providing safety protection measures such as the automatic fire extinguishing controller 20 and the smoke sensor 19, the fire extinguishing procedure can be immediately started when a fire occurs, thereby avoiding the risk of fire expansion and property loss.

[0030] A placement rack for placing the fire extinguishing tank 6 is fixedly installed in the system control cabinet 1 , and an arc-shaped groove adapted to the fire extinguishing tank 6 is provided on the placement rack.

[0031] A plurality of support columns are symmetrically fixedly installed on the bottom of the system control cabinet 1, and insulating foot pads are fixedly installed on the bottom ends of the plurality of support columns.

[0032] It is worth noting that the circuits, electronic components and modules involved in the present utility model are all prior art and can be fully implemented by those skilled in the art. Needless to say, the content protected by the present utility model does not involve improvements to software and methods.

[0033] The working principle of the photovoltaic off-grid power generation system control cabinet provided by the utility model is as follows:

[0034] During the use of the system control cabinet 1, the (MQ-6 type) smoke detector 19 will detect in real time whether there is a fire inside it, and the (GCAN-PLC-326AC-E type) smoke detector 19 will receive the detection information of the smoke detector 19. After the automatic fire extinguishing controller 20 receives the smoke information, it will immediately start the automatic fire extinguishing program;

[0035] First, the automatic fire extinguishing controller 20 will control the inverter 3 to stop working and cut off the power supply to prevent the fire from spreading. Then, it will control the opening of the electromagnetic valve 21, and the perfluorohexanone fire extinguishing agent injected into the fire extinguishing tank 6 will be sprayed into the system control cabinet 1 through the connecting pipe 7 and the fire extinguishing pipe 8. The sprayed perfluorohexanone fire extinguishing agent can extinguish the fire source, prevent the fire from spreading, and reduce property losses. When the fire is successfully extinguished, the automatic fire extinguishing controller 20 will close the electromagnetic valve 21 to end the fire extinguishing procedure. During use, the exhaust fan 11 can be started for exhaust ventilation and heat dissipation according to actual needs to reduce the incidence of fire.

[0036] Compared with the related art, the photovoltaic off-grid power generation system control cabinet provided by the utility model has the following beneficial effects:

[0037] The utility model provides a photovoltaic off-grid power generation system control cabinet. The device realizes the basic power conversion and control functions of the photovoltaic off-grid power generation system by arranging core components such as a charging controller 2, an inverter 3, a battery 4 and a power controller 5. The coordinated work of these components enables the system to effectively utilize solar energy and convert it into the required alternating current. Secondly, the device is specially provided with components such as a fire extinguishing tank 6, a connecting pipe 7 and a fire extinguishing pipe 8 for extinguishing fire, and can timely start the fire extinguishing program when a fire occurs in the system control cabinet 1. The perfluorohexanone fire extinguishing agent is sprayed through the connecting pipe 7 and the fire extinguishing pipe 8, and can quickly extinguish the fire source, avoid the spread of the fire, and reduce property losses. The heat dissipation mechanism is arranged to facilitate exhaust ventilation, which is conducive to heat dissipation and reduce the incidence of fire. The dust filter plate 14 can be assembled through the arranged assembly frame 13, and the dust can be filtered through the arranged dust filter plate 14, which is conducive to the cleanliness of the interior of the system control cabinet 1. The fire extinguishing program can be immediately started when a fire occurs through the safety protection measures such as the automatic fire extinguishing controller 20 and the smoke sensor 19, and the risk of fire expansion and property losses is avoided.

[0038] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. However, on the premise that technical personnel in this field understand the principle of the above-mentioned utility model, they can clearly know the details of its power mechanism, power supply system and control system.

[0039] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A photovoltaic off-grid power generation system control cabinet, characterized in that: include: A system control cabinet for off-grid photovoltaic power generation, wherein a charging controller, an inverter, a battery and a power controller are arranged in the system control cabinet, wherein the charging controller is used to connect the solar panel and the inverter to control the charging and discharging process of electric energy; the inverter is connected to the charging controller and the power controller to control the conversion of direct current into alternating current; A fire extinguishing tank for extinguishing fire, wherein the fire extinguishing tank is arranged in the system control cabinet; A connecting pipe, the connecting pipe is fixedly connected to the discharge end of the fire extinguishing tank; A fire extinguishing pipe, the fire extinguishing pipe is fixedly installed in the system control cabinet, and the feed end of the fire extinguishing pipe is fixedly connected to the discharge end of the connecting pipe; A cabinet door, the cabinet door is arranged on one side of the system control cabinet; A heat dissipation mechanism for dissipating heat from the battery, wherein the heat dissipation mechanism is arranged on the system control cabinet and the cabinet door.

2. The photovoltaic off-grid power generation system control cabinet according to claim 1, characterized in that: The heat dissipation mechanism includes a fin rack, an exhaust fan and a plurality of air holes. The fin rack is arranged in the system control cabinet, the top of the fin rack is connected to the bottom of the battery, the exhaust fan is arranged on the cabinet door, and the plurality of air holes are opened on the back of the system control cabinet.

3. The photovoltaic off-grid power generation system control cabinet according to claim 1, characterized in that: An assembly frame is fixedly installed on the back of the system control cabinet, a detachable dust filter plate for filtering dust is arranged on the assembly frame, and a handle is fixedly installed on the top of the dust filter plate.

4. The photovoltaic off-grid power generation system control cabinet according to claim 1, characterized in that: Wire tubes for passing cables in and out are fixedly installed on both sides of the system control cabinet, and hinges for assembling the cabinet door are fixedly installed on one side of the system control cabinet, and the hinges are fixedly connected to the cabinet door.

5. The photovoltaic off-grid power generation system control cabinet according to claim 1, characterized in that: The cabinet door is provided with a knob-type handle lock, and the system control cabinet is provided with a smoke sensor for detecting smoke and an automatic fire extinguishing controller, the automatic fire extinguishing controller is electrically connected to the smoke sensor and the power controller, and the connecting pipe is provided with an electromagnetic valve, and the electromagnetic valve is electrically connected to the automatic fire extinguishing controller.

6. The photovoltaic off-grid power generation system control cabinet according to claim 1, characterized in that: A placement rack for placing the fire extinguishing tank is fixedly installed in the system control cabinet, and an arc groove adapted to the fire extinguishing tank is arranged on the placement rack.

7. The photovoltaic off-grid power generation system control cabinet according to claim 1, characterized in that: A plurality of support columns are symmetrically and fixedly mounted on the bottom of the system control cabinet, and insulating foot pads are fixedly mounted on the bottom ends of the plurality of support columns.

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