A pluggable photovoltaic maintenance cutout

Abstract

The application discloses a pluggable photovoltaic protection circuit breaker and relates to the technical field of circuit breakers. The pluggable photovoltaic protection circuit breaker is characterized by the following: when the circuit breaker body is wired, the cable is first assembled to the internal plug-in rod, the internal plug-in rod is inserted into the corresponding assembly ring sleeve, the connection of the cable is completed, and the positioning plate frame is locked by the cooperation of the locking plug block at the end, the locking slot and the reset spring during the insertion process. When disassembled, the internal plug-in rod can be pulled out by pressing the positioning plate frame downward to separate the locking plug block from the locking slot, compared with the traditional installation mode, the wiring convenience of the equipment and the subsequent maintenance convenience of the equipment are further improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of circuit breakers, in particular to a pluggable photovoltaic protection circuit breaker. BACKGROUND

[0002] The circuit breaker refers to a switching device capable of closing, carrying and opening the current under normal loop conditions and capable of closing, carrying and opening the current under abnormal loop conditions within a specified time; according to the Chinese patent with the publication number: "CN114783835A", a pluggable photovoltaic protection circuit breaker is disclosed, which aims at the problem that the existing photovoltaic protection circuit breaker is complicated in field secondary wiring and prone to errors; however, the above-mentioned circuit breaker still has the problems of complicated wiring and subsequent disassembly and maintenance inconvenience, and therefore the application provides a pluggable photovoltaic protection circuit breaker to solve the above-mentioned problems. SUMMARY

[0003] In view of the deficiencies of the prior art, the application provides a pluggable photovoltaic protection circuit breaker to solve the problems in the background art.

[0004] To achieve the above-mentioned purposes, the application is implemented by the following technical scheme: a pluggable photovoltaic protection circuit breaker, comprising a circuit breaker body, a closing and opening indication module, a manual closing module and a control panel are respectively installed on the outer side of the circuit breaker body, and wiring assemblies are arranged at both ends of the circuit breaker body for connecting multiple cables into the circuit breaker body.

[0005] The wiring assembly comprises an end positioning plate fixed at the end of the circuit breaker body, and a plurality of assembly ring sleeves are fixedly installed on the top of the end positioning plate, and an internal plug-in rod is slidably inserted into the interior of each assembly ring sleeve, and a locking assembly is arranged between the internal plug-in rod and the assembly ring sleeve.

[0006] A conical protective sleeve is fixedly installed at the end of the internal plug-in rod, and the conical protective sleeve is used for fixing the cable inserted into the internal plug-in rod.

[0007] The locking assembly comprises a positioning plate frame, a rectangular notch is formed in the outer side of the internal plug-in rod, the positioning plate frame is rotationally installed in the rectangular notch, a limiting rod is rotationally installed at one end of the positioning plate frame, the limiting rod is rotationally installed in the rectangular notch, a locking plug is fixedly installed at the end of the positioning plate frame away from the limiting rod, a locking slot is formed in the interior of the assembly ring sleeve and matched with the locking plug, and a return spring is fixedly installed between the positioning plate frame and the rectangular notch.

[0008] Preferably, a plurality of sealing ring pieces are fixedly installed in the interior of the assembly ring sleeve for sealing between the assembly ring sleeve and the internal plug-in rod.

[0009] Preferably, the end protection frame is rotatably connected to both ends of the circuit breaker body, and the end protection frame is used for protecting the plurality of internal plug-in rods.

[0010] Preferably, a plurality of arc-shaped insulating sheets are fixedly installed on the outer side of the end protection frame, the installation positions of the arc-shaped insulating sheets are matched with the plurality of internal plug-in rods, and a distance is left between the plurality of arc-shaped insulating sheets.

[0011] Preferably, an elastic filling sheet is fixedly installed on the side of the arc-shaped insulating sheet close to the internal plug-in rod, and the elastic filling sheet is matched with the internal plug-in rod.

[0012] Preferably, a limiting shaft is rotatably connected to the outer side of the end protection frame, and the limiting shaft is rotatably connected to the end of the circuit breaker body.

[0013] Preferably, the circuit breaker body is provided with an assembly assembly on both sides, which is used for assembling the circuit breaker body to a preset position, and the assembly assembly comprises a side assembly plate and a right-angle assembly frame, the side assembly plate is slidably installed in the right-angle assembly frame, the side assembly plate is fixedly installed on the outer side of the circuit breaker body, a plurality of positioning shafts are fixedly installed on the outer side of the side assembly plate, and the side assembly plate and the right-angle assembly frame are locked.

[0014] Preferably, limiting grooves matched with the positioning shafts are formed in the two sides of the right-angle assembly frame, the positioning shafts are slidably installed in the corresponding limiting grooves, an outer shaft sleeve is slidably sleeved on the outer side of the positioning shaft, a spring body is fixedly installed between the positioning shaft and the outer shaft sleeve, and a plurality of positioning grooves matched with the outer shaft sleeve are formed on the outer side of the limiting groove.

[0015] Preferably, the outer shaft sleeve is inserted into the corresponding positioning groove.

[0016] Preferably, a plurality of positioning bolts are connected to the bottom of the right-angle assembly frame.

[0017] The application provides a pluggable photovoltaic protection circuit breaker.

[0018] (1) The pluggable photovoltaic protection circuit breaker is provided with a wiring assembly, and when the circuit breaker body is wired, the cable can be assembled to the internal plug-in rod first, the connection of the cable is completed by inserting the internal plug-in rod into the corresponding assembly ring, the locking of the positioning plate frame is completed by the cooperation of the locking insert block at the end, the locking insert slot and the reset spring during the insertion process, and the internal plug-in rod can be pulled out by separating the locking insert block from the locking insert slot by pressing the positioning plate frame downward during disassembly. Compared with the traditional installation mode, the wiring convenience of the equipment and the subsequent maintenance convenience of the equipment are further improved.

[0019] (2) The pluggable photovoltaic protection circuit breaker, through the setting of the assembly, when wiring operation is performed on the circuit breaker body, the circuit breaker body can be pulled upwards to perform wiring operation by pulling the outer shaft sleeve outward to separate it from the corresponding positioning slot, until the wiring operation is completed, the circuit breaker body is pressed to reset, and the locking operation of the circuit breaker body is re-performed through the cooperation of the positioning shaft, the outer shaft sleeve and the positioning slot, further improving the wiring convenience of the circuit breaker body. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0021] Figure 2 It is a schematic diagram of the circuit breaker body structure of the present application;

[0022] Figure 3 It is a schematic diagram of the assembly of the present application Figure 2 enlarged structure at A;

[0023] Figure 4 It is a schematic diagram of the assembly of the present application Figure 2 side view structure;

[0024] Figure 5 It is a sectional view of the assembly of the present application

[0025] Figure 6 It is a schematic diagram of the assembly of the present application Figure 5 enlarged structure at B;

[0026] Figure 7 It is a schematic diagram of the assembly of the present application Figure 5 side view structure;

[0027] Figure 8 It is a schematic diagram of the assembly of the present application

[0028] In the figure: 1, circuit breaker body; 101, opening and closing indication module; 102, manual closing module; 103, control panel; 2, side assembly plate; 3, right-angle assembly frame; 301, positioning bolt; 4, limiting slot; 401, positioning slot; 5, positioning shaft; 501, outer shaft sleeve; 502, spring body; 6, end positioning plate; 7, assembly ring; 701, sealing ring; 8, internal plug-in rod; 801, rectangular slot; 9, end protection frame; 901, limiting shaft; 902, arc-shaped insulating piece; 903, elastic filling piece; 10, conical protective sleeve; 11, positioning plate frame; 111, limiting rod; 112, locking plug; 113, reset spring. DETAILED DESCRIPTION

[0029] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0030] Please refer to Figures 1-8 The present application provides two technical solutions, specifically including the following embodiments: Embodiment one:

[0031] In the embodiment of the present application, a pluggable photovoltaic protection circuit breaker includes a circuit breaker body 1, a split and close indication module 101, a manual closing module 102 and a control panel 103 are respectively installed on the outside of the circuit breaker body 1, and a wiring assembly is arranged at both ends of the circuit breaker body 1 for connecting multiple cables into the inside of the circuit breaker body 1.

[0032] In the embodiment of the present application, the split and close indication module 101 and the manual closing module 102 are both existing modules, which are used to display the split and close state of the circuit breaker body 1, and the manual closing module 102 is used for manual closing operation.

[0033] In the embodiment of the present application, the control panel 103 is realized based on the existing PLC control module.

[0034] In the embodiment of the present application, the wiring assembly includes an end positioning plate 6 fixed at the end of the circuit breaker body 1, a plurality of assembly ring sleeves 7 are fixedly installed on the top of the end positioning plate 6, an internal plug-in rod 8 is slidably inserted into the inside of each assembly ring sleeve 7, and a locking assembly is arranged between the internal plug-in rod 8 and the assembly ring sleeve 7.

[0035] In the embodiment of the present application, a tapered protective sleeve 10 is fixedly installed at the end of the internal plug-in rod 8, which is used to fix the cable inserted into the inside of the internal plug-in rod 8.

[0036] In the embodiment of the present application, specifically, when wiring operation is performed on the circuit breaker body 1, first, the cable end is installed to the corresponding internal plug-in rod 8, and the cable is fixed between the internal plug-in rod 8 during assembly through the tapered protective sleeve 10.

[0037] In the embodiment of the present application, specifically, the tapered protective sleeve 10 is made of elastic material, when the cable is assembled, first, the tapered protective sleeve 10 is turned out to the outside of the internal plug-in rod 8, when the cable is inserted into the inside of the internal plug-in rod 8, the tapered protective sleeve 10 is reset to complete the locking of the cable.

[0038] In the embodiment of the present application, specifically, the locking assembly comprises a positioning plate frame 11, a rectangular notch 801 is formed on the outer side of the internal plug-in rod 8, the positioning plate frame 11 is rotationally installed inside the rectangular notch 801, one end of the positioning plate frame 11 is rotationally installed with a limiting rod 111, the limiting rod 111 is rotationally installed inside the rectangular notch 801, the end of the positioning plate frame 11 away from the limiting rod 111 is fixedly installed with a locking plug 112, the inside of the assembly ring sleeve 7 is formed with a locking slot matched with the locking plug 112, and the positioning plate frame 11 and the rectangular notch 801 are fixedly installed with a return spring 113;

[0039] In the embodiment of the present application, specifically, when the cable is inserted into the internal plug-in rod 8, the connection work of the cable is completed by inserting the internal plug-in rod 8 into the corresponding assembly ring sleeve 7, the positioning plate frame 11 can be compressed into the rectangular notch 801 through the locking plug 112 at the end during the insertion process, when the locking plug 112 moves to the position of the locking slot, the positioning plate frame 11 can be reset through the cooperation of the return spring 113, so that the locking plug 112 can be inserted into the locking slot to complete the locking, and when disassembling, the same principle is used, the internal plug-in rod 8 can be pulled out only by pressing the positioning plate frame 11 downward to separate the locking plug 112 from the locking slot;

[0040] In the embodiment of the present application, specifically, the inside of the assembly ring sleeve 7 is fixedly installed with a plurality of sealing ring pieces 701, and the sealing ring pieces 701 are used for sealing between the assembly ring sleeve 7 and the internal plug-in rod 8;

[0041] In the embodiment of the present application, specifically, the both ends of the circuit breaker body 1 are rotationally connected with end protection frames 9, and the end protection frames 9 are used for protecting the plurality of internal plug-in rods 8;

[0042] In the embodiment of the present application, specifically, the outer side of the end protection frame 9 is fixedly installed with a plurality of arc-shaped insulation pieces 902, the installation positions of the arc-shaped insulation pieces 902 are matched with the plurality of internal plug-in rods 8, and a distance is left between the plurality of arc-shaped insulation pieces 902;

[0043] In the embodiment of the present application, specifically, one side of the arc-shaped insulation piece 902 close to the internal plug-in rod 8 is fixedly installed with an elastic filling piece 903, and the elastic filling piece 903 is matched with the internal plug-in rod 8;

[0044] In the embodiment of the present application, specifically, the outer side of the end protection frame 9 is rotationally connected with a limiting shaft 901, and the limiting shaft 901 is rotationally connected with the end of the circuit breaker body 1;

[0045] Specifically, by arranging the end protection frame 9, when the wiring operation of the cable is completed, the plurality of arc-shaped insulating sheets 902 can be used to separate and seal the corresponding internal plug-in rods 8, thereby improving the wiring stability of the cable and the moisture-proof and waterproof performance of the circuit breaker body 1.

[0046] In the embodiment, based on the first embodiment, the pluggable photovoltaic protection circuit breaker comprises a circuit breaker body 1, a closing and opening indication module 101, a manual closing module 102 and a control panel 103 are arranged on the outer side of the circuit breaker body 1, and wiring assemblies are arranged at both ends of the circuit breaker body 1 to connect a plurality of cables to the inside of the circuit breaker body 1.

[0047] In the embodiment, the closing and opening indication module 101 and the manual closing module 102 are existing modules, which are used to display the closing and opening state of the circuit breaker body 1, and the manual closing module 102 is used for manual closing operation.

[0048] In the embodiment, the control panel 103 is realized based on an existing PLC control module.

[0049] In the embodiment, the wiring assembly comprises an end positioning plate 6, which is fixed at the end of the circuit breaker body 1, and a plurality of assembly ring sleeves 7 are fixedly arranged on the top of the end positioning plate 6, and an internal plug-in rod 8 is slidably inserted into each of the assembly ring sleeves 7, and a locking assembly is arranged between the internal plug-in rod 8 and the assembly ring sleeve 7.

[0050] In the embodiment, a conical protective sleeve 10 is fixedly arranged at the end of the internal plug-in rod 8, which is used to fix the cable inserted into the internal plug-in rod 8.

[0051] In the embodiment, when the circuit breaker body 1 is wired, the cable end is first arranged on the corresponding internal plug-in rod 8, and the cable and the internal plug-in rod 8 are fixed by the conical protective sleeve 10 during assembly.

[0052] The conical protective sleeve 10 is made of elastic material, and when the cable is assembled, the conical protective sleeve 10 is first turned outside the internal plug-in rod 8, and then the conical protective sleeve 10 is reset when the cable is inserted into the internal plug-in rod 8, thereby locking the cable.

[0053] The locking assembly comprises a positioning plate frame 11, a rectangular notch 801 is formed in the outer side of the internal plug-in rod 8, the positioning plate frame 11 is rotationally installed in the rectangular notch 801, one end of the positioning plate frame 11 is rotationally installed with a limiting rod 111, the limiting rod 111 is rotationally installed in the rectangular notch 801, the end of the positioning plate frame 11 away from the limiting rod 111 is fixedly installed with a locking plug 112, the internal of the assembly ring sleeve 7 is formed with a locking slot matched with the locking plug 112, and the positioning plate frame 11 and the rectangular notch 801 are fixedly installed with a reset spring 113;

[0054] When the cable is inserted into the internal plug-in rod 8, the connection work of the cable is completed by inserting the internal plug-in rod 8 into the corresponding assembly ring sleeve 7, and in the process of insertion, the positioning plate frame 11 can be compressed into the rectangular notch 801 by the locking plug 112 at the end, and when the locking plug 112 moves to the position of the locking slot, the positioning plate frame 11 can be reset by the cooperation of the reset spring 113, so that the locking plug 112 can be inserted into the locking slot to complete the locking, and when disassembling, the same is true, the internal plug-in rod 8 can be pulled out only by pressing the positioning plate frame 11 downward to separate the locking plug 112 from the locking slot;

[0055] In the embodiment of the application, a plurality of sealing ring pieces 701 are fixedly installed in the internal of the assembly ring sleeve 7, and the sealing ring pieces 701 are used for sealing between the assembly ring sleeve 7 and the internal plug-in rod 8;

[0056] In the embodiment of the application, end protection frames 9 are rotationally connected to both ends of the circuit breaker body 1, and the end protection frames 9 are used for protecting the plurality of internal plug-in rods 8;

[0057] In the embodiment of the application, a plurality of arc-shaped insulation pieces 902 are fixedly installed on the outer side of the end protection frame 9, the installation positions of the arc-shaped insulation pieces 902 are matched with the plurality of internal plug-in rods 8, and distances are left between the plurality of arc-shaped insulation pieces 902;

[0058] In the embodiment of the application, specifically, an elastic filling piece 903 is fixedly installed on the side of the arc-shaped insulation piece 902 close to the internal plug-in rod 8, and the elastic filling piece 903 is matched with the internal plug-in rod 8;

[0059] In the embodiment of the application, specifically, a limiting shaft 901 is rotationally connected to the outer side of the end protection frame 9, and the limiting shaft 901 is rotationally connected to the end of the circuit breaker body 1;

[0060] Through the setting of the end protection frame 9, after the wiring work of the cable is completed, the plurality of arc-shaped insulation pieces 902 can be rotated to separate and seal the corresponding internal plug-in rods 8, which improves the wiring stability of the cable and the moisture-proof and waterproof performance of the circuit breaker body 1;

[0061] In the embodiment of the present application, specifically, both sides of the circuit breaker body 1 are provided with an assembly component for assembling the circuit breaker body 1 to a preset position, the assembly component comprises a side assembly plate 2 and a right-angle assembly frame 3, the side assembly plate 2 is slidingly installed inside the right-angle assembly frame 3, the side assembly plate 2 is fixedly installed on the outside of the circuit breaker body 1, a plurality of positioning shafts 5 are fixedly installed on the outside of the side assembly plate 2 for locking between the side assembly plate 2 and the right-angle assembly frame 3;

[0062] In the embodiment of the present application, specifically, both sides of the right-angle assembly frame 3 are provided with a limiting slot 4 matched with the positioning shaft 5, the positioning shaft 5 is slidingly installed inside the corresponding limiting slot 4, an outer shaft sleeve 501 is slidingly sleeved on the outside of the positioning shaft 5, and a spring body 502 is fixedly installed between the positioning shaft 5 and the outer shaft sleeve 501, a plurality of limiting slots 401 matched with the outer shaft sleeve 501 are formed on the outside of the limiting slot 4;

[0063] In the embodiment of the present application, specifically, the outer shaft sleeve 501 is inserted into the corresponding limiting slot 401;

[0064] In the embodiment of the present application, specifically, the bottom of the right-angle assembly frame 3 is connected with a plurality of positioning bolts 301;

[0065] In the embodiment of the present application, through the setting of the assembly component, when wiring operation is performed on the circuit breaker body 1, first, the outer shaft sleeve 501 is pulled outward to separate from the corresponding limiting slot 401, then the circuit breaker body 1 is pulled upward to drive the two side assembly plates 2 to slide upward inside the right-angle assembly frame 3, at this time, the assembly positioning shaft 5 slides upward inside the corresponding limiting slot 4, until the wiring operation is completed, the circuit breaker body 1 is pressed to reset, and the locking operation of the circuit breaker body 1 is re-performed through the cooperation of the positioning shaft 5, the outer shaft sleeve 501 and the limiting slot 401, further improving the wiring convenience of the circuit breaker body 1.

[0066] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.

[0067] The above has described one embodiment of the present application in detail, but the content described is only the preferred embodiment of the present application, and cannot be considered as limiting the implementation scope of the present application. Any equivalent changes and improvements made within the scope of the present application should still belong to the scope of the present application.

Claims

1. A pluggable photovoltaic protection circuit breaker, comprising a circuit breaker body (1), wherein an opening / closing indicator module (101), a manual closing module (102), and a control panel (103) are respectively installed on the outside of the circuit breaker body (1), characterized in that: Both ends of the circuit breaker body (1) are provided with wiring components for connecting multiple cable segments into the circuit breaker body (1). The wiring assembly includes an end positioning plate (6), which is fixed to the end of the circuit breaker body (1). Multiple assembly rings (7) are fixedly installed on the top of the end positioning plate (6). An internal plug rod (8) is slidably inserted into the inside of each assembly ring (7). A locking component is provided between the internal plug rod (8) and the assembly ring (7). A conical protective sleeve (10) is fixedly installed at the end of the internal plug rod (8). The conical protective sleeve (10) is used to fix the cable inserted into the internal plug rod (8). The locking assembly includes a positioning plate frame (11), and a rectangular slot (801) is provided on the outer side of the internal plug rod (8). The positioning plate frame (11) is rotatably installed inside the rectangular slot (801). A limit rod (111) is rotatably installed at one end of the positioning plate frame (11), and the limit rod (111) is rotatably installed inside the rectangular slot (801). A locking plug (112) is fixedly installed at the end of the positioning plate frame (11) away from the limit rod (111). A locking slot that is compatible with the locking plug (112) is provided inside the assembly ring sleeve (7). A return spring (113) is fixedly installed between the positioning plate frame (11) and the rectangular slot (801). The circuit breaker body (1) is provided with assembly components on both sides for assembling the circuit breaker body (1) to a preset position. The assembly components include a side assembly plate (2) and a right-angle assembly frame (3). The side assembly plate (2) is slidably installed inside the right-angle assembly frame (3). The side assembly plate (2) is fixedly installed on the outside of the circuit breaker body (1). Multiple positioning shafts (5) are fixedly installed on the outside of the side assembly plate (2) for locking the side assembly plate (2) and the right-angle assembly frame (3). The right-angle assembly frame (3) has limiting slots (4) on both sides of its interior that are compatible with the positioning shaft (5). The positioning shaft (5) is slidably installed inside the corresponding limiting slot (4). An outer bushing (501) is slidably sleeved on the outside of the positioning shaft (5), and a spring body (502) is fixedly installed between the positioning shaft (5) and the outer bushing (501). Multiple positioning slots (401) that are compatible with the outer bushing (501) are opened on the outside of the limiting slot (4).

2. The pluggable photovoltaic protection circuit breaker according to claim 1, characterized in that: Multiple sealing rings (701) are fixedly installed inside the assembly ring sleeve (7) to seal between the assembly ring sleeve (7) and the internal insertion rod (8).

3. A pluggable photovoltaic protection circuit breaker according to claim 1, characterized in that: Both ends of the circuit breaker body (1) are rotatably connected to end guards (9), which are used to protect multiple internal plug rods (8).

4. A pluggable photovoltaic protection circuit breaker according to claim 3, characterized in that: Multiple arc-shaped insulating sheets (902) are fixedly installed on the outer side of the end protective frame (9). The installation position of the arc-shaped insulating sheets (902) is adapted to the multiple internal plug-in rods (8). A distance is left between the multiple arc-shaped insulating sheets (902).

5. A pluggable photovoltaic protection circuit breaker according to claim 4, characterized in that: An elastic filler (903) is fixedly installed on the side of the arc-shaped insulating sheet (902) near the internal plug rod (8), and the elastic filler (903) is in contact with the internal plug rod (8).

6. A pluggable photovoltaic protection circuit breaker according to claim 3, characterized in that: The outer side of the end guard (9) is rotatably connected to a limiting shaft (901), and the limiting shaft (901) is rotatably connected to the end of the circuit breaker body (1).

7. A pluggable photovoltaic protection circuit breaker according to claim 1, characterized in that: The outer bushing (501) is inserted into the corresponding positioning slot (401).

8. A pluggable photovoltaic protection circuit breaker according to claim 1, characterized in that: The bottom of the right-angled assembly frame (3) is connected to multiple positioning bolts (301).

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