Photovoltaic energy storage safety detection device

Abstract

The utility model relates to the field of power station box transformer substation safety detection, in particular to a photovoltaic energy storage safety detection device. The utility model provides an improved photovoltaic energy storage safety detection device. The device comprises a box door, a detection assembly, a traction positioning piece and the like, the detection assembly is arranged between the middle part of the connecting shaft and the inner side of the box transformer body, and the traction positioning piece is arranged between the box transformer body and the lower part of the box door. Through the arrangement of the detection assembly formed by mutual cooperation of the mounting base, the proximity switch, the connecting arm and the detection rod, automatic detection and identification can be carried out while the box door is opened or closed, the safety of maintainers during detection is improved, the device can be used for replacing an existing limiting switch, and the problem that the limiting switch has limitation is solved; through the traction positioning piece composed of the adjusting arm, the movable arm, the locking bolt and the fixing base, locking and limiting can be conducted on any opening angle of the box door, and convenience can be provided for maintainers.

Description

Technical Field

[0001] The utility model relates to the field of safety detection of power station box transformers, in particular to a photovoltaic energy storage safety detection device. Background Technique

[0002] A box-type transformer, usually abbreviated as a "box transformer", is a power equipment that centrally designs a traditional transformer and its related equipment in a box-type housing. When it is necessary to regularly overhaul the box transformers in a photovoltaic power station, due to the vast territory and poor communication, it is easy to cause difficulties in real-time communication between maintenance personnel and station area management personnel, and increase the safety risks of maintenance operations. To ensure the safety of the operation and maintenance process, it is usually necessary to install a safety detection device inside the box transformer to be able to detect in real time whether the box door is open or closed, and transmit the detected data to the background system, so as to provide timely safety guarantee information for management personnel and on-site maintenance personnel.

[0003] However, the current detection of the position of the box door usually uses a limit switch. Although it can display the status on the monitoring background, there are problems such as cumbersome installation and adjustment, easy damage leading to a decrease in accuracy, and easy misoperation in harsh environments, which need to be optimized to improve the detection reliability and safety.

[0004] Therefore, a modified photovoltaic energy storage safety detection device is specifically proposed to solve the above technical problems. Content of the Utility Model

[0005] In order to overcome the shortcomings that there are still some defects in the existing safety detection device during actual use, a technical problem: to provide an improved photovoltaic energy storage safety detection device.

[0006] A photovoltaic energy storage safety detection device includes a box transformer body, a box door and a connecting shaft. The left part of the front side of the box transformer body is hinged to the box door through the connecting shaft. It also includes a detection component and a pulling and positioning component. A detection component is arranged between the middle part of the connecting shaft and the inner side of the box transformer body. The detection component includes a mounting seat, a proximity switch, a connecting arm, a detection rod, a controller and a buzzer. A mounting seat is arranged on the left front side of the inner wall of the box transformer body. The proximity switch is sleeved inside the mounting seat. The connecting arm is sleeved on the upper part of the connecting shaft. The end of the connecting arm is connected with the detection rod. The detection rod can approach the proximity switch. The controller and the buzzer are respectively arranged on the upper part of the left front side of the inner wall of the box transformer body. And the proximity switch and the buzzer are both electrically connected to the controller. A pulling and positioning component is arranged between the lower part of the box transformer body and the box door. The opening and closing angle of the box door can be adjusted and limited through the pulling and positioning component.

[0007] As a further improvement of the above solution, the pulling and positioning member includes a fixed seat, an adjusting arm, a movable arm and a locking bolt. A fixed seat is arranged on the front side of the lower left part of the inner wall of the box-type transformer body. The adjusting arm is hinged to the fixed seat. The movable arm is hinged to the lower part of the inner side of the box door. A locking bolt is sleeved between the movable arm and the adjusting arm.

[0008] As a further improvement of the above solution, the proximity switch is a passive proximity switch of magnetic induction type.

[0009] As a further improvement of the above solution, the detection rod is designed with an arc-shaped structure.

[0010] As a further improvement of the above solution, the detection rod is made of metal material.

[0011] As a further improvement of the above solution, a positioning groove is formed on the mounting seat, and the proximity switch is embedded and sleeved in the positioning groove.

[0012] As a further improvement of the above solution, the width of the positioning groove is adapted to the approaching part of the detection rod.

[0013] As a further improvement of the above solution, one-way slots for adjusting the moving stroke are respectively formed on the adjusting arm and the movable arm, and the locking bolt is sleeved in the one-way slots.

[0014] The beneficial effects are as follows: The detection component composed of the mounting seat, the proximity switch, the connecting arm and the detection rod can perform automatic detection and identification while the box door is opened or closed, which is beneficial to improving the safety of maintenance personnel during detection, and can be used to replace the existing limit switch to solve the problem of the limitations of the limit switch; The pulling and positioning member composed of the adjusting arm, the movable arm, the locking bolt and the fixed seat can lock and limit the arbitrarily opened angle of the box door, which is beneficial to providing convenience for maintenance personnel. Description of the Drawings

[0015] Figure 1 It is a view showing the open state of the box door of the present utility model.

[0016] Figure 2 It is a view showing the separated state of the detection rod and the proximity switch of the present utility model.

[0017] Figure 3 It is a three-dimensional structural schematic diagram of the mounting seat, the proximity switch, the connecting arm and the detection rod of the present utility model.

[0018] Figure 4 It is a three-dimensional structural schematic diagram of the pulling and positioning member of the present utility model.

[0019] Figure 5This is a diagram of the fitting state of the detection rod and the proximity switch of the utility model.

[0020] Explanation of the reference numerals: 1: transformer body, 2: box door, 3: connecting shaft, 4: mounting seat, 40: positioning groove, 5: proximity switch, 6: connecting arm, 7: detection rod, 8: controller, 9: buzzer, 10: fixing seat, 11: adjusting arm, 12: movable arm, 13: locking bolt. DETAILED DESCRIPTION

[0021] The embodiments of the present invention will be described below with reference to the accompanying drawings.

[0022] Embodiment: The utility model provides a photovoltaic energy storage safety detection device, see Figures 1 - 5 As shown, it includes a box transformer body 1, a box door 2, a connecting shaft 3, a detection component and a pulling positioning piece. The box door 2 is hingedly connected to the left front side of the box transformer body 1 through the connecting shaft 3. A detection component is arranged between the middle part of the connecting shaft 3 and the inner side of the box transformer body 1. The detection component can detect the open or closed state of the box door 2 in real time and transmit it to the background for management personnel to view. The detection component includes a mounting seat 4, a proximity switch 5, a connecting arm 6, a detection rod 7, a controller 8 and a buzzer 9. A mounting seat 4 is arranged on the left front side of the inner wall of the box transformer body 1. A proximity switch 5 is arranged inside the mounting seat 4. The proximity switch 5 is a passive proximity switch of magnetic induction type. 5, which has the characteristics of no need to connect to the power supply, non-contact, maintenance-free and environmentally friendly; a connecting arm 6 is sleeved on the upper part of the connecting shaft 3, and a detection rod 7 is connected to the end of the connecting arm 6, and the detection rod 7 can be close to the proximity switch 5, and the detection rod 7 cooperates with the proximity switch 5. A controller 8 and a buzzer 9 are respectively arranged on the upper left front side of the inner wall of the box-type transformer body 1, and the proximity switch 5 and the buzzer 9 are electrically connected to the controller 8. When the box door 2 is opened, the controller 8 detects the door opening signal and controls the buzzer 9 to make a beeping sound, which is beneficial to the purpose of providing a warning to the maintenance personnel. A pulling positioning member is arranged between the box-type transformer body 1 and the lower part of the box door 2.

[0023] For further information, see Figure 1 ,Figure,2, Figure 4 and Figure 5As shown in the figure, the pulling and positioning member includes a fixed seat 10, an adjusting arm 11, a movable arm 12 and a locking bolt 13. A fixed seat 10 is provided on the front side of the lower left part of the inner wall of the box-type transformer body 1. The adjusting arm 11 is hinged to the fixed seat 10. The movable arm 12 is hinged to the lower part of the inner side of the box door 2. A locking bolt 13 is sleeved between the movable arm 12 and the adjusting arm 11. One-word grooves for adjusting the moving stroke are respectively formed on the adjusting arm 11 and the movable arm 12, and the locking bolt 13 is sleeved in the one-word grooves. By tightening the locking bolt 13, the adjusting arm 11 and the movable arm 12 can be fixedly connected together, and thus the opened box door 2 can be supported and limited, which is beneficial to providing convenience for maintenance personnel.

[0024] In addition, referring to Figure 1 Figure 2 Figure 3 and Figure 5 As shown, the detection rod 7 is designed with an arc-shaped structure and can synchronously follow the moving position of the opening or closing of the box door 2; the detection rod 7 is made of a metal material and can cooperate with the proximity switch 5 to generate a magnetic induction signal; a positioning groove 40 is formed on the mounting seat 4, and the proximity switch 5 is embedded and sleeved in the positioning groove 40, and the width of the positioning groove 40 is adapted to the approaching part of the detection rod 7, which is beneficial to guiding the detection rod 7 in a specific direction.

[0025] When the box door 2 is normally opened, it will drive the connecting arm 6 and the detection rod 7 to swing outward, so that the detection rod 7 moves away from the proximity switch 5. When the distance between the detection rod 7 and the proximity switch 5 exceeds the preset value, the proximity switch 5 will send an opening signal and feedback it to the controller 8. Then, the detection data can be fed back to the background through the controller 8; by tightening the locking bolt 13 between the adjusting arm 11 and the movable arm 12, the adjusting arm 11 and the movable arm 12 can be locked together, and thus the opened box door 2 can be supported and positioned, and it is convenient to support and position flexibly according to different opening angles of the box door 2. When the box door 2 needs to be closed, just loosen the locking bolt 13, which is beneficial to providing convenience for maintenance personnel; when the box door 2 is closed, it will drive the connecting arm 6 and the detection rod 7 to swing inward and reset, so that the detection rod 7 can approach the proximity switch 5. When the distance between the detection rod 7 and the proximity switch 5 is less than the preset value, the proximity switch 5 will send a closing signal and feedback it to the controller 8. In this way, the detection data can be fed back to the background through the controller 8, which is beneficial for the management personnel to view and master the relevant data in the background in time.

[0026] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A photovoltaic energy storage safety detection device, comprising a box-type transformer body (1), a box door (2) and a connecting shaft (3). The left part of the front side of the box-type transformer body (1) is hinged to the box door (2) through the connecting shaft (3), and is characterized in that, It further includes a detection component and a pulling and positioning member. A detection component is provided between the middle of the connecting shaft (3) and the inner side of the box-type transformer body (1). The detection component includes a mounting seat (4), a proximity switch (5), a connecting arm (6), a detection rod (7), a controller (8) and a buzzer (9). A mounting seat (4) is provided on the left front side of the inner wall of the box-type transformer body (1). A proximity switch (5) is sleeved in the mounting seat (4). A connecting arm (6) is sleeved on the upper part of the connecting shaft (3). The end of the connecting arm (6) is connected with a detection rod (7). The detection rod (7) can be close to the proximity switch (5). The controller (8) and the buzzer (9) are respectively provided on the upper part of the left front side of the inner wall of the box-type transformer body (1). And the proximity switch (5) and the buzzer (9) are both electrically connected to the controller (8). A pulling and positioning member is provided between the box-type transformer body (1) and the lower part of the box door (2). The opening and closing angle of the box door (2) can be adjusted and limited by the pulling and positioning member.

2. The photovoltaic energy storage safety detection device according to claim 1, characterized in that The pulling and positioning member includes a fixed seat (10), an adjusting arm (11), a movable arm (12) and a locking bolt (13). A fixed seat (10) is provided on the front side of the lower left part of the inner wall of the box-type transformer body (1). An adjusting arm (11) is hinged to the fixed seat (10). A movable arm (12) is hinged to the lower part of the inner side of the box door (2). A locking bolt (13) is sleeved between the movable arm (12) and the adjusting arm (11).

3. The photovoltaic energy storage safety detection device according to claim 1, characterized in that, The proximity switch (5) is a magnetic induction type passive proximity switch.

4. A photovoltaic energy storage safety detection device according to claim 1, characterized in that, The detection rod (7) is designed with an arc-shaped structure.

5. The photovoltaic energy storage safety detection device according to claim 4, wherein The detection rod (7) is made of metal material.

6. The photovoltaic energy storage safety detection device according to claim 1, wherein, A positioning groove (40) is formed on the mounting seat (4), and the proximity switch (5) is embedded and sleeved in the positioning groove (40).

7. The photovoltaic energy storage safety detection device according to claim 6, characterized in that, The width of the positioning groove (40) is adapted to the approaching part of the detection rod (7).

8. The photovoltaic energy storage safety detection device according to claim 2, characterized in that, One-word grooves for adjusting the moving stroke are respectively formed on the adjusting arm (11) and the movable arm (12), and the locking bolt (13) is sleeved in the one-word grooves.

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