A photovoltaic grid-connected switch cabinet based on remote control

Abstract

The utility model discloses a photovoltaic converging grid-connected switch cabinet based on remote control. The utility model relates to the technical field of grid-connected switch cabinets, including a switch cabinet body, a first door panel is installed at the front end of the switch cabinet body, and a second door panel is arranged at the side of the first door panel at the front end of the switch cabinet body. The photovoltaic converging grid-connected switch cabinet based on remote control realizes remote control by setting a lock plate, a power box and a drive motor, etc., and a wireless network communication module is arranged in the power box. When unlocking, the drive motor drives the gear to rotate, and the meshing of the teeth can push the lock plate to rotate, so that the arc-shaped latch plate moves to the outside of the latch hole to realize unlocking. There is no need for the staff to manually unlock the door. The staff can remotely control the opening of the door lock to increase safety. At the same time, it is adapted to an independent power supply. When the switch cabinet fails and the power is cut off, it does not affect the opening of the switch cabinet, which improves practicality.

Description

Technical Field

[0001] The utility model relates to the technical field of grid-connected switch cabinets, in particular to a photovoltaic converging grid-connected switch cabinet based on remote control. Background Art

[0002] Photovoltaic grid-connected switchgear has an important protection function in the photovoltaic power generation system. The photovoltaic grid-connected switchgear also has a control function, which can effectively control the photovoltaic power generation system. At the same time, the monitoring function of the photovoltaic grid-connected switchgear can monitor the operating status of the photovoltaic power generation system in real time, including the monitoring of the system's voltage, current, power and other parameters.

[0003] For example, patent number CN209592772U, the utility model discloses a photovoltaic grid-connected switch cabinet, including a cabinet, wherein a photovoltaic incoming line unit, an instrument control unit, a metering unit and a grid-connected outgoing line unit are arranged in the cabinet; the photovoltaic incoming line unit, the instrument control unit, the metering unit and the grid-connected outgoing line unit are provided with partitions between each other; the metering unit includes an electric meter, a first mutual inductor, a metering box and an insulator, and the electric meter, mutual inductor, metering box and insulator are fixed in the cabinet. The utility model has the characteristics of being able to improve the safety of electricity use and prevent human theft of electricity;

[0004] The doors of conventional photovoltaic grid-connected switch cabinets are normally closed, and in order to prevent equipment failures, personal safety accidents caused by misoperation or accidental touch, the doors and cabinet bodies of the switch cabinets need to be locked by door locks. However, the door lock structure of the photovoltaic grid-connected switch cabinet cannot be remotely controlled, resulting in the need for staff to manually open the door when opening it. In the event of an operational error or leakage in the switch cabinet, manual opening by staff poses certain safety hazards. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a photovoltaic busbar grid-connected switch cabinet based on remote control, which solves the problem that the cabinet door of the conventional photovoltaic grid-connected switch cabinet is in a normally closed state. In order to prevent equipment failure, personal safety and other accidents caused by misoperation and mistouch, the cabinet door and the cabinet body of the switch cabinet need to be locked by a door lock. However, the door lock structure of the photovoltaic grid-connected switch cabinet cannot be remotely controlled, resulting in the need for the staff to manually open the cabinet door when opening it. In the event of an operational error or leakage of the switch cabinet, the manual opening of the cabinet door by the staff has certain safety hazards.

[0006] To achieve the above purpose, the utility model is implemented through the following technical solutions: a photovoltaic busbar grid-connected switch cabinet based on remote control, comprising a switch cabinet body, a first door panel is installed at the front end of the switch cabinet body, a second door panel is arranged at the front end of the switch cabinet body at the side of the first door panel, an instrument display unit is arranged on the surface of the first door panel, a door handle is arranged on the surface of the second door panel, two second door panels are arranged, a lock tongue is fixedly installed on the rear side of the right end of the second door panel, a lock core box is installed at the front end of the inner side of the switch cabinet body, a power box is installed at the lower end of the lock core box, a lock plate is arranged on the inner side of the lock core box, a drive motor is arranged on the inner side of the lock core box at the side of the lock plate, and a leakage detector is installed at the lower end of the inner side of the switch cabinet body;

[0007] A cylindrical battery is arranged inside the power box, and a control module and a wireless network communication module are arranged at the upper end inside the power box.

[0008] Preferably, a status indicator light is provided on the surface of the first door panel at the side of the instrument display unit, an observation window is provided on the surface of the second door panel, and the left ends of the first door panel and the second door panel are rotatably connected to the switch cabinet body through hinges.

[0009] Preferably, the rear end of the lock tongue is adapted to the lock core box, and a latch hole is provided on the surface of the rear end of the lock tongue.

[0010] Preferably, an arc-shaped latch plate is provided at the front end of the lock plate surface, teeth are provided on the outer side of the lock plate surface, the lock plate and the lock core box are rotationally connected via a connecting shaft, and the arc-shaped latch plate and the latch hole are latch-connected.

[0011] Preferably, a gear is fixedly mounted on the output end of the driving motor, and the gear is meshingly connected with teeth.

[0012] Preferably, the leakage detector and the power box are connected via a wire, and the drive motor and the power box are connected via a wire.

[0013] Beneficial Effects

[0014] The utility model provides a photovoltaic grid-connected switch cabinet based on remote control. Compared with the prior art, it has the following beneficial effects:

[0015] The photovoltaic busbar grid-connected switch cabinet based on remote control realizes remote control by setting a lock plate, a power box and a drive motor, etc. A wireless network communication module is set in the power box. When unlocking, the drive motor drives the gear to rotate, and the meshing of the teeth can push the lock plate to rotate, so that the arc-shaped latch plate moves to the outside of the latch hole to achieve unlocking. There is no need for staff to manually unlock the door. Personnel can remotely control the opening of the door lock to increase safety. At the same time, it is adapted to an independent power supply. When the switch cabinet fails and the power is cut off, it will not affect the opening of the switch cabinet, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0018] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0019] Figure 4 It is a schematic diagram of the internal structure of the lock core box of the utility model.

[0020] In the figure: 1. switch cabinet body; 2. first door panel; 3. second door panel; 4. instrument display unit; 5. door handle; 6. lock tongue; 61. latch hole; 7. lock core box; 8. power supply box; 9. lock plate; 91. arc latch plate; 92. teeth; 10. drive motor; 101. gear; 11. leakage detector. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4The utility model provides a technical solution: a photovoltaic converging grid-connected switch cabinet based on remote control, comprising a switch cabinet body 1, a first door panel 2 is installed at the front end of the switch cabinet body 1, a second door panel 3 is arranged at the front end of the switch cabinet body 1 on the side of the first door panel 2, an instrument display unit 4 is arranged on the surface of the first door panel 2, a status indicator light is arranged on the surface of the first door panel 2 on the side of the instrument display unit 4, an observation window is arranged on the surface of the second door panel 3, the left ends of the first door panel 2 and the second door panel 3 are rotatably connected to the switch cabinet body 1 through hinges, a door handle 5 is arranged on the surface of the second door panel 3, and multiple door panels correspond to different working areas, so that during maintenance, the corresponding door panel can be opened to perform detection work, and other door panels do not need to be opened, thereby avoiding the possibility of personnel misoperation and improving safety;

[0023] The second door panels 3 are provided with two, a lock tongue 6 is fixedly installed on the rear side of the right end of the second door panel 3, the rear end of the lock tongue 6 is adapted to the lock core box 7, and a latch hole 61 is opened on the surface of the rear end of the lock tongue 6, a lock core box 7 is installed at the front end of the inner side of the switch cabinet body 1, a power box 8 is installed at the lower end of the lock core box 7, a lock plate 9 is arranged on the inner side of the lock core box 7, an arc-shaped latch plate 91 is arranged on the front end of the surface of the lock plate 9, and teeth 92 are arranged on the outer side of the surface of the lock plate 9, the lock plate 9 and the lock core box 7 are rotatably connected by a connecting shaft, the arc-shaped latch plate 91 is connected with the latch hole 61 by a latch, and the inner side of the lock core box 7 is located at A drive motor 10 is provided on the side of the lock plate 9, and a gear 101 is fixedly installed on the output end of the drive motor 10. The gear 101 is meshed with the teeth 92. The drive motor 10 drives the gear 101 to rotate, thereby synchronously driving the lock plate 9 to rotate, so that the arc-shaped latch plate 91 enters the latch hole 61, and the lock plate 9 is locked in a limited position. When unlocking, the personnel can control it through the remote end, and the drive motor 10 drives the gear 101 to rotate in the opposite direction, so that the arc-shaped latch plate 91 moves to the outside of the latch hole 61 to unlock, without manual operation by personnel, thereby increasing safety.

[0024] A leakage detector 11 is installed at the lower end of the inner side of the switch cabinet body 1. The leakage detector 11 and the power box 8 are connected by a wire, and the drive motor 10 and the power box 8 are connected by a wire. A cylindrical battery is arranged inside the power box 8. A control module and a wireless network communication module are arranged at the upper end of the power box 8. The wireless network communication module can generate and receive remote information to realize remote control, and the overall electronic components and the drive motor 10 are independently powered by cylindrical batteries. When the switch cabinet fails, the normal operation of the control structure is not affected.

[0025] During operation, multiple door panels correspond to different working areas. Therefore, during maintenance, the corresponding door panels are opened to carry out inspection work, and other door panels do not need to be opened, thereby avoiding the possibility of personnel misoperation and improving safety. The drive motor 10 is used to drive the gear 101 to rotate, thereby synchronously pushing the lock plate 9 to rotate, so that the arc-shaped latch plate 91 enters the latch hole 61, and realizes the limit locking of the lock plate 9. When unlocking, personnel can control it through the remote end, and the drive motor 10 drives the gear 101 to rotate in the opposite direction, so that the arc-shaped latch plate 91 moves to the outside of the latch hole 61 to unlock, without manual operation by personnel, thereby increasing safety. The wireless network communication module can generate and receive remote information to realize remote control, and the overall electronic components and the drive motor 10 are independently powered by cylindrical batteries. When the switch cabinet fails, it will not affect the normal operation of the control structure.

[0026] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A photovoltaic busbar grid-connected switch cabinet based on remote control, comprising a switch cabinet body (1), characterized in that: A first door panel (2) is installed at the front end of the switch cabinet body (1); a second door panel (3) is installed at the front end of the switch cabinet body (1) at the side of the first door panel (2); an instrument display unit (4) is installed on the surface of the first door panel (2); a door handle (5) is installed on the surface of the second door panel (3); two second door panels (3) are provided; a lock tongue (6) is fixedly installed on the rear side of the right end of the second door panel (3); a lock core box (7) is installed at the front end of the inner side of the switch cabinet body (1); a power supply box (8) is installed at the lower end of the lock core box (7); a lock plate (9) is installed on the inner side of the lock core box (7); a drive motor (10) is installed on the inner side of the lock core box (7) at the side of the lock plate (9); and a leakage detector (11) is installed at the lower end of the inner side of the switch cabinet body (1); A cylindrical battery is arranged inside the power box (8), and a control module and a wireless network communication module are arranged at the upper end inside the power box (8).

2. A photovoltaic busbar grid-connected switch cabinet based on remote control according to claim 1, characterized in that: A status indicator light is provided on the surface of the first door panel (2) at the side of the instrument display unit (4), and an observation window is provided on the surface of the second door panel (3). The left ends of the first door panel (2) and the second door panel (3) are rotatably connected to the switch cabinet body (1) via hinges.

3. A photovoltaic busbar grid-connected switch cabinet based on remote control according to claim 1, characterized in that: The rear end of the lock tongue (6) is adapted to the lock core box (7), and a latch hole (61) is provided on the surface of the rear end of the lock tongue (6).

4. A photovoltaic busbar grid-connected switch cabinet based on remote control according to claim 3, characterized in that: The front end of the surface of the lock plate (9) is provided with an arc-shaped latch plate (91), and the outer side of the surface of the lock plate (9) is provided with teeth (92). The lock plate (9) and the lock core box (7) are rotatably connected via a connecting shaft, and the arc-shaped latch plate (91) and the latch hole (61) are latch-connected.

5. A photovoltaic busbar grid-connected switch cabinet based on remote control according to claim 4, characterized in that: A gear (101) is fixedly mounted on the output end of the driving motor (10), and the gear (101) is meshingly connected with the teeth (92).

6. A photovoltaic busbar grid-connected switch cabinet based on remote control according to claim 1, characterized in that: The leakage detector (11) and the power box (8) are connected via a wire, and the drive motor (10) and the power box (8) are connected via a wire.

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