Fuse type disconnecting switch with fusible core detection

Abstract

The utility model provides a fuse type disconnecting switch with fusible core detection, which comprises a switch main body, and a fusible core detection module and a plurality of fusible cores which are arranged on the switch main body, and the fusible core detection module is connected with the corresponding fusible cores through a plurality of detection leads and is used for detecting the working / fusing state of the fusible cores. At least one wire slot for accommodating a detection wire and a wire blocking piece which is detachably mounted on the switch main body through a first elastic hook structure and is used for blocking a slot opening of the wire slot are formed on the switch main body, and the first elastic hook structure comprises a first hanging table arranged on the switch main body; and the first elastic hook is arranged on the wire blocking piece and is connected with the first hanging table in a hooking manner. Through the arrangement of the wire groove, wiring is simple, later maintenance is facilitated, the wire blocking piece is assembled rapidly and conveniently in an elastic hook installation mode, and the production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of switches, in particular to a fuse type isolating switch with fuse core detection. Background Art

[0002] Isolating switches are usually used in conjunction with fuses. They have the two functions of "load disconnection" and "isolation". Fuses can be added to each pole for "overload and short-circuit protection", making full use of the protection characteristic curve of the fuse to protect cables and equipment in the line, and providing obvious disconnection points during maintenance to ensure the personal safety of workers.

[0003] The existing fuse-type disconnector includes a switch housing, multiple fuses and a fuse detection module. The fuse detection module is installed on the outer wall of the switch housing and is used to detect the working state of the fuse. The fuse detection module is connected to the corresponding fuse through a detection wire and determines the working / fusing state of the fuse by detecting the fuse voltage. When the number of fuses is large, the number of corresponding detection wires will also increase accordingly, which will cause the wires to be messy and inconvenient for later maintenance. Utility Model Content

[0004] Therefore, the technical problem to be solved by the utility model is to overcome the defects in the prior art that the detection wires are relatively messy and affect the later maintenance, so as to provide a fuse-type isolating switch with fuse core detection that is easy to maintain.

[0005] To this end, the utility model provides a fuse-type isolating switch with fuse core detection, comprising a switch body, and a fuse core detection module and multiple fuse cores arranged on the switch body, the fuse core detection module is connected to the corresponding fuse core through multiple detection wires, and is used to detect the working / fusing state of the fuse core, the switch body is formed with at least one wire groove for accommodating the detection wire, and a wire blocking member that can be detachably mounted on the switch body through a first elastic hook structure and is used to cover the wire groove notch, the first elastic hook structure comprises a first hanging platform arranged on the switch body, and a first elastic hook arranged on the wire blocking member and hooked with the first hanging platform.

[0006] The plurality of fuses are spaced apart along the length direction of the switch body, and there are two wire grooves, which are arranged on the side plates at both sides of the width direction of the switch body and extend along the length direction of the switch body.

[0007] A first slot for inserting the first elastic hook is formed on the inner wall of the side plate, and the first hanging platform is provided on the inner wall of the first slot.

[0008] The wire blocking member has two baffle portions respectively arranged at two ends thereof, and the two baffle portions are suitable for correspondingly blocking the notches of the two wire troughs.

[0009] The fuse detection module is arranged at one end of the switch body in the length direction, and comprises a mounting bracket, and a detection unit and a wiring terminal arranged on the mounting bracket, wherein the wiring terminal is connected to the detection wire.

[0010] The mounting bracket is assembled with the switch body through a second elastic hook structure, and the second elastic hook structure includes a second hanging platform arranged on the switch body, and a second elastic hook arranged on the mounting bracket and hooked with the second hanging platform.

[0011] A T-shaped slot is provided on the outer wall of the switch body, a second plug block adapted to the T-shaped slot is provided on the mounting bracket, the second hanging platform is provided on the inner wall of the T-shaped slot, and the second plug block is provided with the second elastic hook.

[0012] The mounting bracket has a stopper which abuts against the upper end surface of the T-shaped slot.

[0013] The mounting bracket is formed with a mounting groove suitable for inserting the detection unit, and two sides of the mounting groove are formed with third elastic hooks that are hooked and abutted against the bottom of the detection unit.

[0014] The technical solution of the utility model has the following advantages:

[0015] 1. The fuse-type disconnector provided by the utility model has at least one wire groove formed on the switch body for accommodating the detection wire, and a wire blocking member detachably mounted on the switch body through a first elastic hook structure for shielding the wire groove slot. The first elastic hook structure includes a first hanging platform provided on the switch body, and a first elastic hook provided on the wire blocking member and hooked and connected to the first hanging platform. By setting the wire groove, the wiring is simple and convenient for later maintenance. The wire blocking member adopts the installation method of the elastic hook, which is quick and convenient to assemble, reducing the production cost.

[0016] 2. The fuse-type isolating switch provided by the utility model has two wire slots, and the wire blocking member has two baffle portions respectively arranged at both ends thereof, and the two baffle portions are suitable for correspondingly blocking the notches of the two wire slots, so that the wire blocking member can block the detection wires in the two wire slots, and the structure is simple.

[0017] 3. The fuse-type disconnector provided by the utility model has a mounting bracket assembled with the switch body through a second elastic hook structure, and the second elastic hook structure includes a second hanging platform provided on the switch body, and a second elastic hook provided on the mounting bracket and hooked with the second hanging platform. The installation method using the elastic hook has the advantages of quick and convenient assembly and low production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a first stereoscopic view of the fuse-type disconnector of the utility model;

[0020] Figure 2 It is a structural schematic diagram of a fuse type disconnect switch;

[0021] Figure 3 for Figure 2 Sectional view of the AA section;

[0022] Figure 4 It is a structural schematic diagram of the wire blocking member;

[0023] Figure 5 is a three-dimensional diagram of the switch body;

[0024] Figure 6 for Figure 2 Cross-section of the middle BB section;

[0025] Figure 7 is a second stereoscopic view of a fuse-type disconnect switch;

[0026] Figure 8 for Figure 7 A schematic diagram of the enlarged structure of the middle C part;

[0027] Fig. 9 for Figure 8 A three-dimensional image after the fuse detection module is removed;

[0028] Fig.10 It is a three-dimensional diagram of the fuse detection module;

[0029] Fig.11 A perspective view of the mounting bracket.

[0030] Explanation of the accompanying drawings: 1. switch body; 2. fuse detection module; 3. wire trough; 4. wire stopper; 5. first hanging platform; 6. first elastic hook; 7. side panel; 8. first slot; 9. baffle part; 10. mounting bracket; 11. detection unit; 12. wiring terminal; 13. second hanging platform; 14. second elastic hook; 15. T-shaped slot; 16. second plug block; 17. block; 18. mounting slot; 19. third elastic hook. DETAILED DESCRIPTION

[0031] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. 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.

[0032] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0033] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0035] Example

[0036] This embodiment provides a fuse-type isolating switch with fuse core detection, such as Figure 1 As shown, it includes a switch body 1 and a fuse detection module 2.

[0037] The switch body 1 has three fuses installed therein, and the three fuses are spaced apart along the length direction of the switch body 1. Figure 1 , Figure 2 and Figure 3As shown, the switch body 1 is formed with two wire grooves 3 for accommodating the detection wires, and a wire blocking member 4 detachably mounted on the switch body through a first elastic hook structure for blocking the notch of the wire groove 3. The two wire grooves 3 are arranged on the side panels 7 on both sides of the width direction of the switch body 1 and extend along the length direction of the switch body 1; the first elastic hook structure includes a first hanging platform 5 arranged on the switch body 1, and a first elastic hook 6 arranged on the wire blocking member 4 and hooked and connected to the first hanging platform 5. Figure 5 As shown, the inner wall of the side plate 7 is formed with a first slot 8 for inserting the first elastic hook 6, and the inner wall of the first slot 8 is provided with the first hanging platform 5. In this embodiment, Figure 4 As shown, the wire blocking member 4 has two baffle portions 9 disposed at both ends thereof, and the two baffle portions 9 are suitable for correspondingly blocking the notches of the two wire slots 3 .

[0038] The fuse detection module 2 is arranged at one end of the switch body 1 in the length direction, connected to the corresponding fuse through a plurality of detection wires, and used to detect the working / fusing state of the fuse. Fig.10 As shown, the fuse detection module 2 includes a mounting bracket 10, and a detection unit 11 and a wiring terminal 12 arranged on the mounting bracket 10, and the wiring terminal 12 is connected to the detection wire. The mounting bracket 10 is assembled with the switch body 1 through a second elastic hook structure, as shown in FIG. Figure 6 , Figure 7 , Figure 8 and Fig. 9 As shown, the second elastic hook structure includes a second hanging platform 13 provided on the switch body 1, and a second elastic hook 14 provided on the mounting bracket 10 and hooked and connected to the second hanging platform 13. In this embodiment, a T-shaped slot 15 is provided on the outer wall of the switch body 1, and a second plug-in block 16 adapted to the T-shaped slot 15 is provided on the mounting bracket 10. The second hanging platform 13 is provided on the inner wall of the T-shaped slot 15, and the second elastic hook 14 is provided on the second plug-in block 16. The mounting bracket 10 has a stopper 17 that abuts against the upper end surface of the T-shaped slot 15. Fig.11 As shown, the mounting bracket 10 is formed with a mounting groove 18 suitable for inserting the detection unit 11, and the two sides of the mounting groove 18 are formed with third elastic hooks 19 that are hooked against the bottom of the detection unit 11. During assembly, the detection unit 11 is first installed in the mounting groove 18 of the mounting bracket 10, and then the entire fuse detection module 2 is installed on the switch body 1. In this embodiment, the wiring terminal 12 is fixed to the mounting bracket 10 by screws.

[0039] The fuse-type disconnector provided by the utility model has at least one wire groove 3 for accommodating the detection wire formed on the switch body 1, and a wire blocking member 4 detachably mounted on the switch body 1 through a first elastic hook structure for shielding the notch of the wire groove 3. The first elastic hook structure includes a first hanging platform 5 arranged on the switch body 1, and a first elastic hook 6 arranged on the wire blocking member 4 and hooked and connected with the first hanging platform 5. By setting the wire groove 3, the wiring is simple and convenient for later maintenance. The wire blocking member 4 adopts the installation method of the elastic hook, which is quick and convenient to assemble, reducing the production cost.

[0040] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention of the utility model.

Claims

1. A fuse-type disconnecting switch with fuse core detection, comprising a switch body (1), and a fuse core detection module (2) and a plurality of fuse cores arranged on the switch body (1), wherein the fuse core detection module (2) is connected to the corresponding fuse cores through a plurality of detection wires and is used to detect the working / fusing state of the fuse cores, characterized in that: The switch body (1) is formed with at least one wire groove (3) for accommodating the detection wire, and a wire blocking member (4) which is detachably mounted on the switch body (1) via a first elastic hook structure and is used to cover the notch of the wire groove (3), wherein the first elastic hook structure comprises a first hanging platform (5) arranged on the switch body (1), and a first elastic hook (6) arranged on the wire blocking member (4) and hooked and connected to the first hanging platform (5).

2. The fuse-type disconnector with fuse core detection according to claim 1, characterized in that: The plurality of fuses are spaced apart along the length direction of the switch body (1), and there are two wire grooves (3). The two wire grooves (3) are arranged on the side plates (7) on both sides of the width direction of the switch body (1) and extend along the length direction of the switch body (1).

3. The fuse-type disconnector with fuse core detection according to claim 2, characterized in that: A first slot (8) for inserting the first elastic hook (6) is formed on the inner wall of the side plate (7), and the first hanging platform (5) is provided on the inner wall of the first slot (8).

4. The fuse-type disconnector with fuse core detection according to claim 2 or 3, characterized in that: The wire blocking member (4) has two baffle portions (9) respectively arranged at two ends thereof, and the two baffle portions (9) are suitable for correspondingly blocking the notches of the two wire slots (3).

5. The fuse-type disconnector with fuse core detection according to any one of claims 1 to 4, characterized in that: The fuse detection module (2) is arranged at one end of the switch body (1) in the length direction, and comprises a mounting bracket (10), and a detection unit (11) and a wiring terminal (12) arranged on the mounting bracket (10), wherein the wiring terminal (12) is connected to the detection wire.

6. The fuse-type disconnector with fuse core detection according to claim 5, characterized in that: The mounting bracket (10) is assembled with the switch body (1) via a second elastic hook structure, wherein the second elastic hook structure comprises a second hanging platform (13) provided on the switch body (1), and a second elastic hook (14) provided on the mounting bracket (10) and hooked to the second hanging platform (13).

7. The fuse-type disconnector with fuse core detection according to claim 6, characterized in that: The outer wall of the switch body (1) is provided with a T-shaped slot (15), the mounting bracket (10) is provided with a second plug-in block (16) adapted to the T-shaped slot (15), the inner wall of the T-shaped slot (15) is provided with the second hanging platform (13), and the second plug-in block (16) is provided with the second elastic hook (14).

8. The fuse-type disconnector with fuse core detection according to claim 7, characterized in that: The mounting bracket (10) has a stopper (17) that abuts against the upper end surface of the T-shaped slot (15).

9. The fuse-type disconnector with fuse core detection according to claim 5, characterized in that: The mounting bracket (10) is formed with a mounting groove (18) suitable for inserting the detection unit (11), and third elastic hooks (19) are formed on both sides of the mounting groove (18) and are hooked and abutted against the bottom of the detection unit (11).

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