Photovoltaic power station fault detection device

Abstract

The utility model relates to the technical field of photovoltaic power stations, in particular to a photovoltaic power station fault detection device, which comprises a main body structure, a first fixing mechanism and a second fixing mechanism, the first fixing mechanism comprises a connecting piece and a magnetic component, one end of the connecting piece is connected with the top of the back side of the main body structure, and the other end is connected with the magnetic component; the second fixing mechanism comprises a connecting rod and a set screw, the connecting rod is L-shaped, one end of the connecting rod is connected with the bottom of the back side of the main body structure, the other end of the connecting rod is in threaded connection with the set screw, and a U-shaped gap used for clamping the electric box door is formed between the connecting rod and the back face of the main body structure. The device has the advantages that the device is magnetically attracted on the electric box door through the first fixing mechanism, and then the device is further fixed on the electric box door through the second fixing mechanism, so that the device is ensured to be stably mounted on the electric box.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic power stations, in particular to a photovoltaic power station fault detection device. Background Art

[0002] A photovoltaic power station is a power generation system that utilizes solar energy and uses special materials such as crystalline silicon panels, inverters and other electronic components. It is a photovoltaic power generation system that is connected to the power grid and transmits electricity to the power grid. When a photovoltaic power station fails, relevant detection devices are required to troubleshoot the fault. When detecting a photovoltaic power station fault, the inverter of the power station is generally tested through a power quality detection device.

[0003] However, it still has the following disadvantages in actual use: when using the power quality detection device, the device needs to be fixed on the switch door of the electrical box first, usually fixed on the electrical box door by magnetic attraction. This fixing method has a poor fixing effect and can easily cause the entire device to fall off the electrical box door, causing damage to the entire device. Utility Model Content

[0004] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a photovoltaic power station fault detection device.

[0005] The purpose of the utility model is achieved through the following technical solutions: a photovoltaic power station fault detection device, including a main structure, a first fixing mechanism and a second fixing mechanism; the first fixing mechanism, the first fixing mechanism includes a connecting piece and a magnetic attraction component, one end of the connecting piece is connected to the back top of the main structure, and the other end is connected to the magnetic attraction component; the second fixing mechanism includes a connecting rod and a fixing screw, the connecting rod is L-shaped, one end of which is connected to the back bottom of the main structure, and the other end is threadedly connected to the fixing screw, and a U-shaped gap for clamping the electrical box door is formed between the connecting rod and the back of the main structure.

[0006] The utility model magnetically fixes the main structure of the device to the electrical box door through a first fixing mechanism, and further fixes the main structure of the device to the electrical box door through a second fixing mechanism, thereby performing secondary fixation on the device and ensuring a stable connection between the device and the electrical box door.

[0007] In some embodiments, the magnetic attraction assembly includes a magnet mounting plate and a magnet, magnets are arranged at both ends of the magnet mounting plate, and the connecting member is connected to the middle position of the magnet mounting plate. Two magnets are arranged on the magnet mounting plate, and the two magnets improve the stability of the magnetic attraction connection.

[0008] In some embodiments, the connecting member includes a flexible connecting belt and is elastic. The flexible connecting belt is elastic, so that the device is stably connected to the electrical box door while having a certain amount of movement space, which facilitates the second fixing mechanism to connect to the electrical box door.

[0009] In some embodiments, the first fixing mechanism further includes a placement component, and the placement component includes a V-shaped placement block arranged on the top of the main structure. Through the placement component, in conjunction with an elastic connector, the connector can be placed on the V-shaped placement block, and the magnetic attraction component at one end of the connector is placed at one end of the V-shaped placement block, so that the first fixing mechanism can be stored when the device is not in use.

[0010] In some embodiments, a cable fixing mechanism is further included, the cable fixing mechanism including a fixed clamping block and a movable clamping block, the fixed clamping block is fixedly arranged on the front top of the main structure, the movable clamping block is slidably connected to the main structure or the fixed clamping block, and there is a gap between the fixed clamping block and the movable clamping block for clamping cables. The cable fixing mechanism clamps and fixes the cables connected to the device through the fixed clamping block and the movable clamping block to prevent the cables from being entangled.

[0011] In some embodiments, sleeves are provided at both ends of the fixed clamp block, and sliding rods are provided at both ends of the movable clamp block corresponding to the sleeves, and the sliding rods are slidably connected to the sleeves. The sleeves and the sliding rods are respectively provided at both ends of the fixed clamp block and the movable clamp block, so that the movable clamp block can slide relative to the fixed clamp block, and the sliding rods at both ends of the movable clamp block can limit the cable between the movable clamp block and the fixed clamp block to prevent the cable from detaching from the movable clamp block and the fixed clamp block.

[0012] In some embodiments, the sliding rod is provided with a plurality of adjustment holes along its extension direction, the sleeve is provided with positioning holes corresponding to the adjustment holes, a positioning pin is detachably inserted into the positioning hole, and the positioning pin passes through the adjustment hole. By matching the positioning pin with different adjustment holes, the gap between the movable clamp block and the fixed clamp block can be adjusted to accommodate the clamping of cables with different wire diameters.

[0013] In some embodiments, a plurality of first wire grooves are provided on a side of the fixed clamp block facing the movable clamp block, and a plurality of second wire grooves are provided on a side of the movable clamp block facing the fixed clamp block corresponding to the first wire grooves. Through the first wire grooves and the second wire grooves, the clamped cables are located in the wire grooves, thereby preventing the clamped cables from shaking easily and ensuring stable clamping.

[0014] The utility model has the following advantages:

[0015] The utility model uses the first fixing mechanism and the second fixing mechanism to fix the device to the electric box door. First, the magnetic attraction component of the first fixing mechanism is used to adsorb the device to the back of the electric box door. Then, the connecting rod on the second fixing mechanism is used to make the end of the connecting rod not connected to the main structure go around from the bottom of the back side of the electric box door to the front side of the electric box door. Then, the fixing screw is used to abut the electric box door to fix the device for the second time, thereby improving the stability of the connection between the device and the electric box door and preventing the device from sliding off the electric box door.

[0016] At the same time, by providing a cable fixing mechanism, the cables connected to the main structure of the fault detection device are fixed to avoid entanglement between the cables. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the back structure of the photovoltaic power station fault detection device of the utility model;

[0018] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0019] Figure 3 This is a schematic diagram of the front structure of the photovoltaic power station fault detection device of the utility model;

[0020] Figure 4 for Figure 3 Enlarged view of point B in the middle;

[0021] In the figure: 1. main structure; 2. first fixing mechanism; 21. connecting piece; 22. magnetic attraction assembly; 221. magnet mounting plate; 222. magnet; 3. second fixing mechanism; 31. connecting rod; 32. set screw; 4. placement component; 51. fixed clamp; 511. sleeve; 5111. positioning hole; 512. first wire groove; 52. movable clamp; 521. sliding rod; 5211. adjustment hole; 522. second wire groove; 53. positioning pin. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the utility model clearer, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model, that is, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations.

[0023] The present invention is further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0024] like Figure 1-Figure 4As shown, a photovoltaic power station fault detection device includes a main structure 1, a first fixing mechanism 2 and a second fixing mechanism 3; the first fixing mechanism 2 includes a connecting piece 21 and a magnetic attraction component 22, one end of the connecting piece 21 is connected to the back top of the main structure 1, and the other end is connected to the magnetic attraction component 22; the second fixing mechanism 3 includes a connecting rod 31 and a fixing screw 32, the connecting rod 31 is L-shaped, one end of which is connected to the back bottom of the main structure 1, and the other end is threadedly connected to the fixing screw 32, and a U-shaped gap for clamping an electrical box door is formed between the connecting rod 31 and the back of the main structure 1.

[0025] Specifically, in this embodiment, there are two first fixing mechanisms 2 and two second fixing mechanisms 3. The two first fixing mechanisms 2 are respectively arranged on both sides of the top of the back side of the main structure 1, and the two second fixing mechanisms 3 are respectively arranged on both sides of the bottom of the back side of the main structure 1. Through the two first fixing mechanisms 2 and the two second fixing mechanisms 3, the connection between the device and the electrical box door is more firmly established. When the device is used, the magnetic attraction component 22 of the first fixing mechanism 2 is first magnetically attracted to the back side of the electrical box door, and the magnetic attraction component 22 fixes the main structure 1 to the back side of the electrical box door through the connecting piece 21. Then, by using the connecting rod 31 of the second fixing mechanism 3, the bottom end of the electrical box door is placed in the U-shaped gap formed between the connecting rod 31 and the main structure 1, so that one end of the connecting rod 31 is located at the front side of the electrical box door. A fixing screw 32 is provided on the end of the connecting rod 31 located at the front side of the electrical box door. By tightening the fixing screw 32, the fixing screw 32 is abutted against the front side of the electrical box door, so that the electrical box door is abutted against the back side of the main structure 1, thereby completing the secondary fixation of the device and ensuring that the device will not fall off the electrical box door and be damaged.

[0026] Preferably, the magnetic attraction component 22 includes a magnet mounting plate 221 and a magnet 222, both ends of the magnet mounting plate 221 are provided with magnets 222, and the connecting member 21 is connected to the middle position of the magnet mounting plate 221. Two magnets 222 are provided on the magnet mounting plate 221, so that the magnetic attraction between the magnetic attraction component 22 and the electrical box door is more stable.

[0027] Preferably, the connecting member 21 includes a flexible connecting belt and is elastic. The flexible connecting member 21 is elastic, so that the device has a certain amount of movement space when the device is fixed to the electrical box door, so that when the second fixing mechanism 3 is connected to the electrical box door, the main structure 1 can be pulled down so that the bottom of the electrical box door can enter the U-shaped gap between the connecting rod 31 and the main structure 1.

[0028] Preferably, the first fixing mechanism 2 also includes a placement component 4, and the placement component 4 includes a V-shaped placement block arranged on the top of the main structure 1. In this embodiment, two placement components 4 are provided and correspond to two first fixing mechanisms 2 respectively, and the V-shaped placement block cooperates with an elastic connector 21, and the connector 21 is stretched so that the connector 21 is located in the V-shaped fork of the V-shaped placement block, and the magnetic attraction component 22 at one end of the connector 21 is located at one end of the V-shaped placement block close to the front side of the main structure 1; by utilizing the elastic force of the connector 21, the magnetic attraction component 22 is clamped and fixed to the end of the V-shaped placement block, so that the first fixing mechanism 2 is fixed when the device is not in use.

[0029] Preferably, it also includes a cable fixing mechanism, which includes a fixed clamp block 51 and a movable clamp block 52, wherein the fixed clamp block 51 is fixedly arranged at the top of the front side of the main structure 1, and the movable clamp block 52 is slidably connected to the main structure 1 or the fixed clamp block 51, and there is a gap between the fixed clamp block 51 and the movable clamp block 52 for clamping cables. In this embodiment, the cable fixing mechanism is arranged at the top of the front side of the main structure 1 at a position corresponding to the cable interface on the main structure 1. In this embodiment, the movable clamp block 52 is slidably connected to the fixed clamp block 51, and through the sliding connection between the movable clamp block 52 and the fixed clamp block 51, the gap between the movable clamp block 52 and the fixed clamp block 51 can be adjusted to facilitate clamping of cables.

[0030] Preferably, sleeves 511 are provided at both ends of the fixed clamp block 51, and sliding rods 521 are provided at both ends of the movable clamp block 52 corresponding to the sleeves 511, and the sliding rods 521 are slidably connected to the sleeves 511. By providing the sliding rods 521 at both ends of the fixed clamp block 51, the clamped cable is limited between the two sliding rods 521, so that the clamped cable is not easy to escape from the cable fixing mechanism.

[0031] Preferably, the sliding rod 521 is provided with a plurality of adjustment holes 5211 along its extension direction, and the sleeve 511 is provided with positioning holes 5111 corresponding to the adjustment holes 5211, and a positioning pin 53 is detachably inserted into the positioning hole 5111, and the positioning pin 53 passes through the adjustment hole 5211. The adjustment holes 5211 in this embodiment are equidistantly arranged on the sliding rod 521, and by matching the positioning pins 53 with different adjustment holes 5211, the gap between the movable clamping block 52 and the fixed clamping block 51 can be flexibly adjusted, so as to facilitate clamping of cables with different wire diameters.

[0032] Preferably, a plurality of first wire grooves 512 are provided on one side of the fixed clamp block 51 facing the movable clamp block 52, and a plurality of second wire grooves 522 are provided on one side of the movable clamp block 52 facing the fixed clamp block 51 corresponding to the first wire grooves 512. In this embodiment, the cross-sections of the first wire grooves 512 and the second wire grooves 522 are both semicircular, and the cables are fixed by the cooperation of the first wire grooves 512 and the second wire grooves 522, so as to prevent the cables from moving in the movable clamp block 52 and the fixed clamp block 51, and further prevent the cables from being entangled.

[0033] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Any technician familiar with the field can make many possible changes and modifications to the technical solution of the utility model by using the above-mentioned technical content without departing from the scope of the technical solution of the utility model, or modify it into an equivalent embodiment of equivalent changes. Therefore, any changes, modifications, equivalent changes and modifications made to the above embodiments based on the technology of the utility model without departing from the content of the technical solution of the utility model shall fall within the protection scope of the technical solution of the utility model.

Claims

1. A photovoltaic power station fault detection device, characterized in that: include: Main structure (1); A first fixing mechanism (2), the first fixing mechanism (2) comprising a connecting member (21) and a magnetic attraction component (22), one end of the connecting member (21) being connected to the top of the back side of the main structure (1), and the other end being connected to the magnetic attraction component (22); A second fixing mechanism (3), the second fixing mechanism (3) comprising a connecting rod (31) and a fixing screw (32), the connecting rod (31) being L-shaped, one end of which is connected to the bottom of the back side of the main structure (1), and the other end of which is threadedly connected to the fixing screw (32), and a U-shaped gap for clamping the electrical box door is formed between the connecting rod (31) and the back side of the main structure (1).

2. A photovoltaic power station fault detection device according to claim 1, characterized in that: The magnetic attraction component (22) comprises a magnet mounting plate (221) and a magnet (222), both ends of the magnet mounting plate (221) are provided with magnets (222), and the connecting member (21) is connected to the middle position of the magnet mounting plate (221).

3. A photovoltaic power station fault detection device according to claim 1, characterized in that: The connecting piece (21) comprises a flexible connecting belt and has elasticity.

4. A photovoltaic power station fault detection device according to claim 3, characterized in that: The first fixing mechanism (2) further comprises a placement component (4), and the placement component (4) comprises a V-shaped placement block arranged on the top of the main structure (1).

5. A photovoltaic power station fault detection device according to claim 1, characterized in that: The invention also comprises a cable fixing mechanism, wherein the cable fixing mechanism comprises a fixed clamping block (51) and a movable clamping block (52), wherein the fixed clamping block (51) is fixedly arranged at the top of the front side of the main structure (1), and the movable clamping block (52) is slidably connected to the main structure (1) or the fixed clamping block (51), and a gap is provided between the fixed clamping block (51) and the movable clamping block (52) for clamping cables.

6. A photovoltaic power station fault detection device according to claim 5, characterized in that: Both ends of the fixed clamp block (51) are provided with sleeves (511), and both ends of the movable clamp block (52) are provided with sliding rods (521) corresponding to the sleeves (511), and the sliding rods (521) are slidably connected to the sleeves (511).

7. A photovoltaic power station fault detection device according to claim 6, characterized in that: The sliding rod (521) is provided with a plurality of adjustment holes (5211) along its telescopic direction, and the sleeve (511) is provided with positioning holes (5111) corresponding to the adjustment holes (5211), and a positioning pin (53) is detachably inserted into the positioning hole (5111), and the positioning pin (53) passes through the adjustment hole (5211).

8. A photovoltaic power station fault detection device according to claim 7, characterized in that: A plurality of first wire grooves (512) are provided on one side of the fixed clamp block (51) facing the movable clamp block (52), and a plurality of second wire grooves (522) are provided on one side of the movable clamp block (52) facing the fixed clamp block (51) corresponding to the first wire grooves (512).

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