Photovoltaic power grid fault arc detector

Abstract

The photovoltaic power grid fault arc detector comprises a supporting base block and a detection machine body, an adjusting assembly and a driven part are assembled on the two sides of the supporting base block respectively, the detection machine body is fixedly installed at the sliding end of the adjusting assembly and the sliding end of the driven part together, an assembling opening is formed in the back face of the supporting base block, and the supporting base block is provided with an arc detector. An assembling seat is clamped in the assembling opening, a wire cavity is formed in the supporting base block, and an extending clamping assembly is assembled in the wire cavity. The adjusting assembly comprises a driving sliding block, a fastening rotary knob and a first sliding rail. According to the utility model, through the mutual cooperation between the adjusting assembly and the driven part, the installation and fixation of the detection machine body are completed, and the detection machine body can be adjusted up and down according to the assembly condition of the detection machine body, so that personnel do not need to disassemble and assemble the detection machine body, and only need to complete adaptive connection between the machine body and a wire in a sliding mode.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical detection equipment, in particular to a photovoltaic power grid fault arc detector. Background Art

[0002] An arc detector is a device designed to detect the presence of an arc fault in electrical equipment;

[0003] Arc detectors are crucial to the maintenance and safety of photovoltaic power grids. In photovoltaic power grids, although photovoltaic systems mainly convert sunlight into electrical energy, their components are similar to conventional power systems and also have the potential risk of arc generation. For example, photovoltaic inverters, connectors, cable connections, and AC-MAC (connection between the AC bus and the auxiliary bus) may also generate arcs under overload or fault conditions.

[0004] The arc detector has a relatively simple function during operation. After installation, the wires to which it is connected need to be adjusted according to the distance of the detector. When the wire length is insufficient, the personnel need to make additional wiring compensation or disassemble and adjust the detector, which increases the complexity during operation. At the same time, the existing detectors only detect fault arcs. When the wires are burned due to the arc, it is not possible to simply eliminate the burned wires, which increases the safety risks in the power distribution area.

[0005] Therefore, the present application proposes a photovoltaic power grid fault arc detector. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a photovoltaic power grid fault arc detector, which solves the problems mentioned in the background technology.

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] A photovoltaic power grid fault arc detector comprises a supporting base block and a detection body, wherein an adjustment assembly and a driven component are respectively mounted on both sides of the supporting base block, the sliding end of the adjusting assembly and the driven component are jointly fixedly mounted with the detection body, an assembly port is arranged on the back of the supporting base block, and an assembly seat is clamped in the assembly port, a wire cavity is arranged inside the supporting base block, and an extended clamping assembly is mounted inside the wire cavity;

[0009] The adjustment component includes an active slider, a tightening knob, and a first slide rail. The first slide rail is fixedly installed on one side of the supporting base block, and the active slider is slidably installed on the first slide rail. The front side of the active slider is docked with a tightening knob for limiting. The clamping component includes a partition plate and a positioning component. Four groups of partition plates are fixedly installed inside the wire cavity. The front side of the supporting base block is docked with a positioning component extending into the wire cavity, and the positioning component and the partition plate are assembled with each other.

[0010] Furthermore, a wire port is provided on the front side of the support base block, and the wire port is communicated with the wire cavity.

[0011] Furthermore, clamping blocks are fixedly installed on both sides of the assembly port, and clamping grooves are provided on both sides of the assembly seat, and the clamping grooves and the clamping blocks cooperate with each other.

[0012] Furthermore, the adjustment component also includes a first connecting seat, the first connecting seat is fixedly installed on the front side of the active slider, and the active slider is fixedly connected to the side of the detection body through the first connecting seat.

[0013] Furthermore, the driven component includes a driven slider, a second slide rail, and a second connecting seat. The second slide rail is fixedly installed on the side of the detection body away from the first slide rail, the driven slider is slidably installed on the second slide rail, and the second connecting seat connected to the detection body is fixedly installed on the driven slider.

[0014] Furthermore, the positioning component includes an adjusting knob, a connecting plate, a square cavity, a dry powder filling layer, and a rubber sealing piece. The partition plate is provided with corresponding placement openings, and a connecting plate is passed through the placement openings. A square cavity is fixedly installed on the back of the connecting plate, and the square cavity is located between the partition plates. The interior of the square cavity is filled with a dry powder filling layer, and a rubber sealing piece is fixedly installed at the port of the square cavity.

[0015] Furthermore, a hollow opening is provided on the inner side of the assembly seat, and four groups of through mounting holes are provided on the front side of the hollow opening.

[0016] The utility model provides a photovoltaic power grid fault arc detector. Compared with the prior art, it has the following beneficial effects:

[0017] 1. Through the cooperation between the adjustment component and the driven component, the installation and fixation of the detection body is completed, and the detection body can be adjusted up and down according to the assembly condition of the detection body. In this way, personnel do not need to disassemble and assemble the detection body, but only need to complete the adaptive connection between the body and the wire by sliding;

[0018] 2. The clamping assembly in the conductor cavity can not only clamp and fix the connected conductors to ensure the stability of the conductors during the connection period, but also trigger the elimination material in the assembly to eliminate the arc when a fault occurs in the conductor, thereby ensuring the stability of the distribution area. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 The schematic diagram of the structure of the photovoltaic power grid fault arc detector of the utility model in the first assembly state is shown;

[0021] Figure 2 The schematic diagram of the second assembly state structure of the photovoltaic power grid fault arc detector of the utility model is shown;

[0022] Figure 3 The third assembly state structural schematic diagram of the photovoltaic power grid fault arc detector of the utility model is shown;

[0023] Figure 4 The schematic diagram of the structure of the clamping assembly of the utility model is shown;

[0024] As shown in the figure: 1. Support base block; 11. Wire cavity; 12. Wire port; 13. Assembly port; 14. Snap-in block; 2. Adjustment assembly; 21. Active slider; 22. Fastening knob; 23. First connecting seat; 24. First slide rail; 3. Detection body; 4. Clamping assembly; 41. Partition plate; 411. Placement port; 42. Positioning component; 421. Adjustment knob; 422. Connecting plate; 423. Square cavity; 424. Dry powder filling layer; 425. Rubber sealing sheet; 5. Driven component; 51. Driven slider; 52. Second slide rail; 53. Second connecting seat; 6. Assembly seat; 61. Snap-in groove; 62. Mounting hole; 63. Hollow port. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model is described clearly and completely. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0026] Embodiment 1

[0027] In order to solve the technical problems in the background technology, a photovoltaic power grid fault arc detector is provided as follows:

[0028] Combination Figure 1-Figure 4 As shown, the utility model provides a photovoltaic power grid fault arc detector, comprising a support base block 1 and a detection body 3, the two sides of the support base block 1 are respectively equipped with an adjustment component 2 and a driven component 5, the sliding ends of the adjustment component 2 and the driven component 5 are jointly fixedly installed with the detection body 3, the back of the support base block 1 is provided with an assembly port 13, and the assembly port 13 is clamped with an assembly seat 6, the interior of the support base block 1 is provided with a wire cavity 11, and the interior of the wire cavity 11 is equipped with an extended clamping component 4;

[0029] During this period, the support base block 1 completes the bearing operation of the detection body 3, and the mutual cooperation between the adjustment component 2 and the driven component 5 completes the installation and fixation of the detection body 3, and can also be adjusted up and down according to the assembly status of the detection body 3, so that personnel do not need to disassemble and assemble the detection body 3, and only need to complete the adaptive connection between the body and the wire by sliding. The support base block 1 can complete the card-mounted connection with the assembly seat 6 through the assembly port 13 on the back, and the clamping component 4 in the wire cavity 11 can not only clamp and fix the connected wires to ensure the stability of the wires during the connection period, but also when a fault arc occurs in the wire and causes the wire to burn, it will trigger the arc extinguishing material in the component to eliminate it, thereby ensuring the stability of the power distribution area.

[0030] The adjusting assembly 2 includes an active slider 21, a fastening knob 22, and a first slide rail 24. The first slide rail 24 is fixedly installed on one side of the supporting base block 1, and the active slider 21 is slidably installed on the first slide rail 24. The fastening knob 22 for limiting the position is installed in a butt joint on the front of the active slider 21; the clamping assembly 4 includes a partition plate 41 and a positioning component 42. Four groups of partition plates 41 are fixedly installed inside the wire cavity 11. The positioning component 42 extending into the wire cavity 11 is installed in a butt joint on the front of the supporting base block 1, and the positioning component 42 and the partition plate 41 are assembled with each other;

[0031] During the process, the personnel can drive the detection body 3 to slide and adjust through the mutual cooperation between the active slider 21 and the first slide rail 24, so that the personnel can make adjustments according to the actual connection lengths at both ends during the assembly, reduce the assembly and disassembly of the body, and increase the convenience during the operation. After the adjustment is completed, the active slider 21 can be fixed by tightening the rotation 22; during the process, the wires at the bottom of the detection body 3 are separated by the partition plate 41 to avoid aggregation, and during the wiring, the positioning component 42 is used to press and fix the wires to ensure their stability after docking. When the wires are burned due to a fault arc, the rubber material on the positioning component 42 will be burned, and the burned wire parts will be treated by eliminating the material.

[0032] Embodiment 2

[0033] like Figure 1 and Figure 4 As shown, based on the above embodiment, this embodiment further provides the following contents:

[0034] In this embodiment, a wire opening 12 is provided on the front side of the supporting base block 1 , and the wire opening 12 is communicated with the wire cavity 11 .

[0035] During the process, when the wire passes through the wire cavity 11 , the plug-in terminal of the wire needs to pass through the wire opening 12 , so that the installation connection with the detection body 3 can be completed.

[0036] In this embodiment, the two sides of the assembly opening 13 are fixedly mounted with clamping blocks 14 , and the two sides of the assembly seat 6 are provided with clamping grooves 61 , and the clamping grooves 61 cooperate with the clamping blocks 14 .

[0037] The clamping block 14 and the clamping slot 61 cooperate with each other;

[0038] During the process, the personnel need to first install and fix the assembly seat 6, and then insert the support base 1 into the clamping groove 61 through the clamping block 14. In this way, the installation and docking between the assembly seat 6 and the support base block 1 are completed.

[0039] Embodiment 3

[0040] like Figure 1-Figure 4 As shown, based on the above embodiment, this embodiment further provides the following contents:

[0041] In this embodiment, the adjustment assembly 2 further includes a first connection seat 23 , the first connection seat 23 is fixedly mounted on the front of the active slider 21 , and the active slider 21 is fixedly connected to the side of the detection body 3 via the first connection seat 23 .

[0042] The first connecting seat 23 is a connecting component;

[0043] During this period, the active slider 21 will complete the installation connection with the detection body 3 through the first connection seat 23, and the first connection seat 23 and the detection body 3 are installed and connected by screws;

[0044] At that time, the personnel can operate the active slider 21 to slide and drive the detection body 3 to move synchronously.

[0045] In this embodiment, the driven component 5 includes a driven slider 51, a second slide rail 52, and a second connecting seat 53. The second slide rail 52 is fixedly installed on the side of the detection body 3 away from the first slide rail 24. The driven slider 51 is slidably installed on the second slide rail 52. The driven slider 51 is fixedly installed with a second connecting seat 53 connected to the detection body 3.

[0046] By combining the above contents, when the active slider 21 drives the detection body 3 to move through the first connecting seat 23, the driven component 5 on the other side also moves accordingly, in order to ensure the stability of the detection body 3 during the movement;

[0047] During this period, the driven slider 51 is connected to the detection body 3 through the second connecting seat 53 and performs driven operation through the second slide rail 52 .

[0048] In this embodiment, the positioning component 42 includes an adjusting knob 421, a connecting plate 422, a square cavity 423, a dry powder filling layer 424, and a rubber sealing piece 425. The partition plate 41 is provided with corresponding placement openings 411, and a connecting plate 422 passes through the placement openings 411. A square cavity 423 is fixedly installed on the back of the connecting plate 422, and the square cavity 423 is located between the partition plates 41. The interior of the square cavity 423 is filled with a dry powder filling layer 424, and a rubber sealing piece 425 is fixedly installed at the port of the square cavity 423.

[0049] When the wire passes through the wire cavity 11, the personnel can rotate the adjustment knob 421. Since the connection plate 422 is limited by the placement opening 411, the connection plate 422 will drive the components on itself to reciprocate, and then the rubber sealing sheet 425 on the square cavity 423 will complete the clamping and fixing of the wire.

[0050] When a fault arc occurs at the end of the conductor, the wire burns and burns onto the rubber sealing sheet 42. As the rubber sealing sheet 425 is damaged, the dry powder filling layer 424 in the square cavity 423 will leak out, thus eliminating the burnt wire.

[0051] In this embodiment, a hollow opening 63 is provided on the inner side of the assembly seat 6 , and four groups of through mounting holes 62 are provided on the front side of the hollow opening 63 .

[0052] During this period, the personnel need to first install and fix the assembly seat 6 by using external components to penetrate the installation hole 62 and connect with the external structure, so as to complete the fixation of the assembly seat 6.

[0053] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0054] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A photovoltaic power grid fault arc detector, characterized in that: The invention comprises a support base block (1) and a detection body (3), wherein an adjustment component (2) and a driven component (5) are respectively mounted on both sides of the support base block (1), and the sliding ends of the adjustment component (2) and the driven component (5) are fixedly mounted with the detection body (3), an assembly port (13) is arranged on the back side of the support base block (1), and an assembly seat (6) is clamped in the assembly port (13), a wire cavity (11) is arranged inside the support base block (1), and an extended clamping component (4) is mounted inside the wire cavity (11); The adjustment component (2) comprises an active slider (21), a tightening knob (22), and a first slide rail (24); the first slide rail (24) is fixedly installed on one side of the support base block (1); the active slider (21) is slidably installed on the first slide rail (24); the front side of the active slider (21) is butt-jointed with a tightening knob (22) for limiting; the clamping component (4) comprises a partition plate (41) and a positioning component (42); four groups of partition plates (41) are fixedly installed inside the wire cavity (11); the front side of the support base block (1) is butt-jointed with a positioning component (42) extending into the wire cavity (11); and the positioning component (42) and the partition plate (41) are assembled with each other.

2. A photovoltaic power grid fault arc detector according to claim 1, characterized in that: A wire port (12) is provided on the front side of the support base block (1), and the wire port (12) is communicated with the wire cavity (11).

3. A photovoltaic power grid fault arc detector according to claim 2, characterized in that: A clamping block (14) is fixedly installed on both sides of the assembly opening (13), and a clamping groove (61) is provided on both sides of the assembly seat (6), and the clamping groove (61) and the clamping block (14) cooperate with each other.

4. A photovoltaic power grid fault arc detector according to claim 3, characterized in that: The adjustment assembly (2) further comprises a first connection seat (23), the first connection seat (23) being fixedly mounted on the front side of the active slider (21), and the active slider (21) being fixedly connected to the side of the detection body (3) via the first connection seat (23).

5. A photovoltaic power grid fault arc detector according to claim 4, characterized in that: The driven component (5) comprises a driven slider (51), a second slide rail (52), and a second connecting seat (53); the second slide rail (52) is fixedly mounted on a side of the detection body (3) away from the first slide rail (24); the driven slider (51) is slidably mounted on the second slide rail (52); and the second connecting seat (53) connected to the detection body (3) is fixedly mounted on the driven slider (51).

6. A photovoltaic power grid fault arc detector according to claim 5, characterized in that: The positioning component (42) comprises an adjusting knob (421), a connecting plate (422), a square cavity (423), a dry powder filling layer (424), and a rubber sealing sheet (425); the partition plate (41) is provided with corresponding placement openings (411); a connecting plate (422) passes through the placement openings (411); a square cavity (423) is fixedly installed on the back of the connecting plate (422); the square cavity (423) is located between the partition plates (41); the interior of the square cavity (423) is filled with a dry powder filling layer (424); and a rubber sealing sheet (425) is fixedly installed at the port of the square cavity (423).

7. A photovoltaic power grid fault arc detector according to claim 6, characterized in that: The inner side of the assembly seat (6) is provided with a hollow opening (63), and the front side of the hollow opening (63) is provided with four groups of through-going mounting holes (62).

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