Modularized secondary junction box used in pole-mounted circuit breaker

Abstract

The utility model discloses a modularized secondary junction box used in a pole-mounted circuit breaker, which comprises a shell and a plurality of wiring terminals arranged in the shell, the shell is provided with a wire inlet socket and a wire outlet socket, the wire inlet socket is provided with a plurality of wire inlet conductive poles, the wire outlet socket is provided with a plurality of wire outlet conductive poles, and the wire outlet conductive poles are arranged in the shell. The wire inlet conductive columns and the wire outlet conductive columns are electrically connected through the wiring terminals in a one-to-one correspondence mode. The inlet wire socket is provided with an inlet wire connecting plate in a matched mode, the inlet wire connecting plate is provided with a plurality of inlet wire connecting sleeves, the inlet wire connecting sleeves can be correspondingly connected with the inlet wire conductive columns, the outlet wire socket is provided with an outlet wire connecting plate in a matched mode, the outlet wire connecting plate is provided with a plurality of outlet wire connecting sleeves, and the outlet wire connecting sleeves can be correspondingly connected with the outlet wire conductive columns. Cables needing to be connected in the circuit breaker are welded to the wire inlet connecting plate in a one-to-one correspondence mode through the wire inlet side of the junction box, the wire inlet connecting plate and the wire outlet connecting plate are correspondingly connected to the wire inlet socket and the wire outlet socket in an inserted mode, electric connection of the cables is facilitated, and the connection stability of the cables is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a circuit breaker accessory technical field, concretely relates to a modular secondary wiring box for inside of pole-mounted circuit breaker. BACKGROUND

[0002] 10kV outdoor vacuum pole-mounted circuit breaker is a kind of primary equipment for high-voltage power system, and the energy storage, electric opening and closing of pole-mounted circuit breaker need to be controlled by feeder terminal, and the secondary wiring inside circuit breaker directly determines whether pole-mounted circuit breaker can normally electrically store energy and electrically open and close during operation.

[0003] At present, the wiring mode in market is that the cables needed to be connected inside circuit breaker are one by one corresponding according to drawing, and then short-circuit on wiring terminal according to left and right, and the cables needed to be connected can be preformed to specified position only after complicated steps such as cabling, binding, stripping, pressing cold-pressed terminal, and the fixed preformed cold-pressed terminal of wiring terminal is fixed by M3 bolt, and when force is too large, M3 bolt is easily broken, and bolt thread is easily slipped, and when force is too small, cold-pressed terminal is not effectively pressed, and low-level error of cold-pressed terminal falling during circuit breaker transportation is generated, and after circuit breaker is installed on pole, it is found that electric energy storage and opening and closing cannot be realized, and the circuit breaker without falling also affects later operation of pole-mounted circuit breaker (circuit breaker control loop and acquisition loop contact are poor, and also cause circuit breaker to be unable to electrically store energy and electrically open and close, and data acquisition is abnormal, etc. UTILITARIAN CONTENT

[0004] In order to solve the technical problems existing in the prior art, the application provides a modular secondary wiring box for inside of pole-mounted circuit breaker.

[0005] In order to achieve the above purpose, the technical scheme adopted by the present application is as follows: a modular secondary wiring box for inside of pole-mounted circuit breaker, comprising a shell and a plurality of wiring terminals arranged inside the shell, the shell is provided with an incoming line socket and an outgoing line socket, the incoming line socket is provided with a plurality of incoming line conductive columns, the outgoing line socket is provided with a plurality of outgoing line conductive columns, the incoming line conductive columns and the outgoing line conductive columns are one by one corresponding electrically connected through the wiring terminals; the incoming line socket is adapted with an incoming line terminal plate, the incoming line terminal plate is provided with a plurality of incoming line sockets for connecting incoming line cables, the incoming line sockets can be connected with the incoming line conductive columns in correspondence, the outgoing line socket is adapted with an outgoing line terminal plate, the outgoing line terminal plate is provided with a plurality of outgoing line sockets for connecting outgoing line cables, the outgoing line sockets can be connected with the outgoing line conductive columns in correspondence.

[0006] In some embodiments of the utility model, the above-mentioned incoming line socket is provided with a limiting block, and a limiting groove matched with the limiting block is formed on the incoming line connector plate.

[0007] In some embodiments of the utility model, a mounting lug for mounting the junction box is arranged on the above-mentioned shell.

[0008] In some embodiments of the utility model, the above-mentioned incoming line socket is a cylindrical structure, and the outer side wall of the cylindrical structure has external threads, and a locking sleeve matched with the external threads is sleeved on the incoming line connector plate.

[0009] Beneficial effects:

[0010] 1. The cables inside the circuit breaker that need to be connected are welded one by one on the incoming line connector plate through the incoming line side of the junction box, the cables to be connected are welded on the outgoing line connector plate on the outgoing line side of the junction box, and the incoming line connector plate and the outgoing line connector plate are correspondingly inserted into the incoming line socket and the outgoing line socket, so that the electrical connection of the cables is facilitated, and the stability of the connection is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0012] Figure 1 It is a structural schematic view of the embodiment of the present application;

[0013] Figure 2 It is a structural schematic view of the embodiment of the present application after the incoming line connector plate and the incoming line socket are inserted;

[0014] Figure 3 It is a front view of the embodiment of the present application after the incoming line connector plate and the incoming line socket are inserted;

[0015] Figure 4 It is Figure 3 the sectional view of A-A section in figure;

[0016] Figure 5 It is a structural schematic view of the incoming line connector plate of the embodiment of the present application.

[0017] In the figure: 1-shell; 2-wiring terminal; 3-incoming line socket; 4-outgoing line socket; 5-incoming line conductive column; 6-outgoing line conductive column; 7-incoming line connector plate; 8-incoming line connector sleeve; 9-outgoing line connector plate; 10-outgoing line connector sleeve; 11-limiting block; 12-limiting groove; 13-mounting lug; 14-locking sleeve. DETAILED DESCRIPTION

[0018] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some but not all of the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0019] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative work fall within the scope of protection of the present application.

[0020] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0021] In the description of the present application, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship when the product of the application is usually placed, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the present application. In addition, if the terms "first", "second" and the like appear in the description of the present application, they are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0022] In addition, if the terms "horizontal", "vertical" and the like appear in the description of the present application, they do not mean that the component must be absolutely horizontal or vertical, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0023] In the description of the present application, it should also be noted that unless otherwise explicitly specified and limited, if the terms "arrangement", "installation", "connection", "connection" appear, they should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0024] Embodiment

[0025] Referring to Figures 1-5 The embodiment provides a modular secondary terminal box for inside a pole-mounted circuit breaker, which comprises a shell 1 and a plurality of terminal clamps 2 arranged in the shell 1, the shell 1 is provided with an incoming terminal 3 and an outgoing terminal 4, the incoming terminal 3 is provided with a plurality of incoming conductive columns 5, the outgoing terminal 4 is provided with a plurality of outgoing conductive columns 6, the incoming conductive columns 5 and the outgoing conductive columns 6 are electrically connected one by one through the terminal clamps 2; the incoming terminal 3 is adapted with an incoming terminal plate 7, the incoming terminal plate 7 is provided with a plurality of incoming terminal sleeves 8 for connecting incoming cables, the incoming terminal sleeves 8 can be connected with the incoming conductive columns 5 in correspondence, the outgoing terminal 4 is adapted with an outgoing terminal plate 9, the outgoing terminal plate 9 is provided with a plurality of outgoing terminal sleeves 10 for connecting outgoing cables, the outgoing terminal sleeves 10 can be connected with the outgoing conductive columns 6 in correspondence.

[0026] In the embodiment, the shell 1 is used for mounting and fixing the terminal clamps 2, so that the terminal clamps 2 can be effectively protected and the service life is greatly prolonged.

[0027] In the embodiment, the incoming terminal 3 is used in cooperation with the outgoing terminal 4, the outgoing conductive columns 6 and the incoming conductive columns 5 correspond one by one, and the circuit can be conducted after plugging, so that the power equipment can be stably operated.

[0028] Specifically, the incoming conductive columns 5 and the outgoing conductive columns 6 are electrically connected through the terminal clamps 2, the number of the incoming conductive columns 5 and the outgoing conductive columns 6 is nine, and the incoming terminal plate 7 and the outgoing terminal plate 9 are correspondingly provided with nine incoming terminal sleeves 8 and outgoing terminal sleeves 10, so that the secondary wiring in the pole-mounted circuit breaker can be realized by corresponding connection during plugging.

[0029] It should be noted that the terminal clamps 2, the incoming terminal 3 and the outgoing terminal 4 are electrically connected through wires (not shown in the figure), so that the circuit can be conducted.

[0030] Referring to Figure 1 , Figure 3 and Figure 5 In some embodiments of the embodiment, the incoming terminal 3 is provided with a limiting block 11, and the incoming terminal plate 7 is provided with a limiting groove 12 matched with the limiting block 11.

[0031] In the embodiment, the limiting block 11 and the limiting groove 12 are used to limit the connection mode of the incoming wire socket 3 and the incoming wire terminal 7, which can effectively ensure the one-to-one connection of the incoming wire cable and the outgoing wire cable, thereby facilitating the conduction of the circuit.

[0032] Please refer to Figure 1 and Figure 2 In some embodiments of the present embodiment, the shell 1 is provided with a mounting lug 13 for mounting the junction box.

[0033] In the embodiment, the mounting lug 13 is connected to the pole circuit breaker by bolts, and the self-weight and operating load of the shell 1 are transmitted to the support structure, thereby facilitating the stable transmission of electric energy after the cable is plugged.

[0034] Please refer to Figure 2 In some embodiments of the present embodiment, the incoming wire socket 3 is a cylindrical structure, and the outer side wall of the cylindrical structure has external threads. The incoming wire terminal 7 is provided with a locking sleeve 14 matched with the external threads.

[0035] In the embodiment, the locking sleeve 14 is used to push the incoming wire terminal 7 against the incoming wire socket 3, which can effectively increase the stability of the cable connection and avoid the separation of the incoming wire socket 3 and the incoming wire terminal 7 due to vibration. In use, after the incoming wire terminal 7 is plugged into the incoming wire socket 3, the incoming wire terminal 7 is gradually moved towards the incoming wire socket 3 by rotating the locking sleeve 14. When the incoming wire terminal 7 is abutted against the incoming wire socket 3, the incoming conductive column 5 and the incoming terminal sleeve 8 are in the maximum contact position.

[0036] In use, the shell 1 is fixed in the pole circuit breaker by bolts, and the incoming wire cable and the outgoing wire cable are connected to the corresponding positions of the incoming terminal sleeve 8 and the outgoing terminal sleeve 10. The incoming wire cable and the incoming terminal sleeve 8 are fixed by welding, and the connection is sealed by glue after welding to avoid electric shock. Then, the incoming wire terminal 7 is plugged into the incoming wire socket 3. In the plugging process, the corresponding limiting groove 12 and the limiting opening are aligned, and the corresponding locking sleeve 14 is twisted when the incoming wire terminal 7 and the incoming wire socket 3 are abutted. The connection of the outgoing wire socket 4 and the outgoing wire terminal 9 is the same as above.

[0037] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Those skilled in the art can make various changes and modifications to the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A modular secondary junction box for use inside a pole-mounted circuit breaker, characterized in that, It includes a housing (1) and a plurality of terminals (2) disposed inside the housing (1). The housing (1) is provided with an inlet socket (3) and an outlet socket (4). The inlet socket (3) has a plurality of inlet conductive posts (5), and the outlet socket (4) has a plurality of outlet conductive posts (6). The inlet conductive posts (5) and the outlet conductive posts (6) are electrically connected one-to-one through the terminals (2). The incoming socket (3) is equipped with an incoming connector plate (7), which has several incoming connector sleeves (8) for connecting incoming cables. The incoming connector sleeves (8) can be connected to the incoming conductive post (5). The outgoing socket (4) is equipped with an outgoing connector plate (9), which has several outgoing connector sleeves (10) for connecting outgoing cables. The outgoing connector sleeves (10) can be connected to the outgoing conductive post (6).

2. A modular secondary junction box for use inside a pole-mounted circuit breaker according to claim 1, characterized in that, The incoming line socket (3) is provided with a limiting block (11), and the incoming line connector plate (7) is provided with a limiting groove (12) that is adapted to the limiting block (11).

3. A modular secondary junction box for use inside a pole-mounted circuit breaker according to claim 1, characterized in that, The housing (1) is provided with mounting lugs (13) for mounting junction boxes.

4. A modular secondary junction box for use inside a pole-mounted circuit breaker according to claim 1, characterized in that, The incoming line socket (3) is a cylindrical structure with external threads on the outer side wall of the cylindrical structure, and a locking sleeve (14) adapted to the external threads is fitted on the incoming line connector plate (7).

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