Portable low-voltage single bypass switch

Abstract

The utility model relates to a portable low-voltage single-phase bypass switch which comprises a low-voltage single-phase bypass switch body and two low-voltage drainage pieces, and quick-plug plugs of the low-voltage drainage pieces are connected to a first quick-plug socket and a second quick-plug socket in the low-voltage single-phase bypass switch body. After the fuse carrying device is turned over and closed, a bypass of the heating wire clamp needing to be replaced can be formed, and current flows through a bypass switch circuit. The portable low-voltage single-phase bypass switch can realize operation without power failure, does not need to power off a user side, avoids the problems of production stagnation, inconvenience in life and the like brought to a user due to power failure, and improves the reliability of power supply.

Description

Technical Field

[0001] This utility model relates to the field of power line maintenance technology, and in particular to a portable low-voltage single-phase bypass switch. Background Technology

[0002] During the long-term operation and maintenance of low-voltage lines, overheating of clamps (including tension clamps, parallel groove clamps, etc.) occurs frequently due to reasons such as dirty conductor surfaces, defects in the fittings themselves, insufficient crimping force, poor contact, overload operation of the line, substandard construction techniques, improper design, and the influence of the natural environment. This is one of the main defects of the line.

[0003] Currently, the main method for replacing heating clamps in low-voltage lines in China is to replace them during a power outage.

[0004] The drawbacks of replacing heating clamps on low-voltage lines during power outages are: 1) It can cause power outages for users supplied by the low-voltage line, affecting their production and daily life; 2) It can increase the risk of power grid operation; 3) Replacing clamps during power outages requires the operation to be completed within the specified power outage time, which may put some pressure on the staff and make it easy to make mistakes during the operation; 4) Power outages can lead to a reduction in the electricity sales of the power company, affecting economic benefits. Utility Model Content

[0005] This application provides a portable low-voltage single-phase bypass switch, which solves or partially solves the technical problem of replacing heating clamps in low-voltage lines during power outages in the prior art; it enables uninterrupted operation of low-voltage lines, avoiding the problems of production stagnation and inconvenience to users caused by power outages.

[0006] This application provides a portable low-voltage single-phase bypass switch, comprising: a low-voltage single-phase bypass switch body and two low-voltage lead-in components, wherein...

[0007] The low-voltage single-phase bypass switch body includes: a housing, a first quick-connect socket, a second quick-connect socket, a stationary contact, a moving contact, a base, and a fuse carrier. The base is disposed inside the housing. The first quick-connect socket is disposed on the housing and electrically connected to the moving contact. The second quick-connect socket is disposed on the housing and electrically connected to the stationary contact. The moving contact and the stationary contact are disposed on the base. The fuse carrier is movably disposed on the base and electrically connected to the stationary contact. The fuse carrier can be flipped to connect and conduct with the moving contact.

[0008] The low-voltage draining device includes: a draining clamp, a draining wire, and a quick-connect plug. The draining clamp is used to connect and conduct the wires at both ends of the clamp to be replaced, and is electrically connected to the draining wire. The draining wire is electrically connected to the quick-connect plug. The quick-connect plug can be connected and conducted to the first quick-connect socket or the second quick-connect socket.

[0009] Preferably, the enclosure is an insulated enclosure;

[0010] An insulating base plate is fixed inside the box.

[0011] The base is fixed to the insulating base plate;

[0012] The opening of the enclosure is detachably fitted with an insulated cover.

[0013] Preferably, the insulating box cover is provided with an opening adapted to the shape of the fusion carrier, and the fusion carrier is located in the opening.

[0014] Preferably, the first quick-connect socket is electrically connected to the moving contact via a connecting copper plate;

[0015] The second quick-connect socket is electrically connected to the stationary contact via a connecting copper plate.

[0016] Preferably, a crossbar support and a self-locking strap are provided on the outside of the box;

[0017] The crossbar bracket is fixed to the back of the housing by fasteners;

[0018] The two ends of the self-locking strap are respectively fixed to the two ends of the crossbar bracket, and are used to secure the box to the fixing facility near the clamp to be replaced.

[0019] Preferably, a handle is fixed on the box body.

[0020] One or more technical solutions provided in the embodiments of this application have at least the following technical effects or advantages:

[0021] This portable low-voltage single-phase bypass switch, through its structure consisting of a low-voltage single-phase bypass switch body and two low-voltage current-leading components, connects the quick-connect plugs of the low-voltage current-leading components to the first and second quick-connect sockets in the low-voltage single-phase bypass switch body. After flipping and closing the fuse holder, a bypass is formed for the heating clamp to be replaced. Current flows through the circuit of this portable low-voltage single-phase bypass switch, allowing direct replacement of the heating clamp without power outages. This bypass switch enables uninterrupted operation, eliminating the need for power outages at the user end and avoiding production stoppages and inconveniences caused by power outages, thus improving power supply reliability. Since the operation does not need to be completed within the time limit of a power outage, workers can operate more calmly, reducing the risk of operational errors. Uninterrupted operation helps maintain grid stability and reduces economic losses caused by power outages. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a schematic diagram of the structure of a portable low-voltage single-phase bypass switch provided in an embodiment of this application;

[0024] Figure 2 for Figure 1 A schematic diagram of the front of the medium and low voltage single-phase bypass switch body;

[0025] Figure 3 for Figure 1 A schematic diagram of the structure on the back of the medium and low voltage single-phase bypass switch body;

[0026] Figure 4 for Figure 1 A schematic diagram of the structure of a medium- and low-voltage single-phase bypass switch body assembled with an insulating box cover;

[0027] Figure 5 A schematic diagram of the on-state of a portable low-voltage single-phase bypass switch provided in an embodiment of this application;

[0028] Figure 6 A schematic diagram of the portable low-voltage single-phase bypass switch in the open state provided in the embodiments of this application.

[0029] (The components represented by the numbers in the diagram are as follows: 1 Low-voltage single-phase bypass switch body, 11 Insulating box, 12 Insulating box cover, 13 Insulating base plate, 14 Fuse-type disconnect switch, 141 Base, 142 Fuse carrier, 15 First quick-connect socket, 16 Connecting copper plate, 17 Crossbar bracket, 18 Self-locking strap, 19 Handle, 2 Low-voltage lead-in component, 21 Lead-in wire clamp, 22 Lead-in wire, 23 Quick-connect plug) Detailed Implementation

[0030] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0031] See appendix Figure 1 The portable low-voltage single-phase bypass switch provided in this embodiment includes: a low-voltage single-phase bypass switch body 1 and two low-voltage lead-in components 2.

[0032] See appendix Figure 2 and 3 The low-voltage single-phase bypass switch body 1 includes an insulating box 11, an insulating box cover 12, an insulating base plate 13, a fuse-type disconnect switch 14, a first quick-connect socket 15, a connecting copper plate 16, a crossbar bracket 17, a self-locking strap 18, and a handle 19. The insulating box 11 is provided with the first quick-connect socket 15 and mounting holes for the first quick-connect socket, the insulating base plate 13, the crossbar bracket 17, and the handle 19. The insulating box cover 12 is provided with a square mounting hole for the fuse-type disconnect switch 14.

[0033] The insulating box cover 12 is bolted to the insulating box body 11; the insulating base plate 13 is provided with mounting holes for the base of the fuse-type disconnect switch 14, and the insulating base plate 13 is bolted to the insulating box body 11; see appendix. Figure 4 The fuse-type disconnect switch 14 is divided into two parts: a base 141 and a fuse carrier 142. The base is provided with a moving contact and a stationary contact. The fuse carrier 142 is movably mounted on the base 141 and is electrically connected to the stationary contact. After the fuse carrier 142 is flipped, it can be connected to the moving contact to conduct electricity.

[0034] The base 141 is bolted to the insulating base plate 13; the first quick-connect socket 15 and the second quick-connect socket are bolted to the insulating housing 11; the first quick-connect socket 15 is electrically connected to the moving contact through the connecting copper plate 16; the second quick-connect socket is electrically connected to the stationary contact through the connecting copper plate 16; the crossbar bracket 17 is bolted to the back of the insulating housing 11, and the two ends of the self-locking strap 18 are fixed to the two ends of the crossbar bracket 17; the handle 19 is installed on the insulating housing 11 for easy lifting.

[0035] The low-voltage draining device 2 includes a draining wire clamp 21, a draining wire 22, and a quick-connect plug 23. The quick-connect plug 23 can be quickly connected and locked with the first quick-connect socket 15 and the second quick-connect socket.

[0036] The following describes the working process of this bypass switch:

[0037] Access steps:

[0038] See appendix Figure 5First, secure the low-voltage single-phase bypass switch body 1 to the pole using the self-locking strap 18. Then, connect and lock the quick-connect plugs 23 on the two low-voltage current-leading components 2 to the first quick-connect socket 15 and the second quick-connect socket on the low-voltage single-phase bypass switch body 1, respectively. Next, open the fuse-type disconnecting switch 14's fuse-type disconnecting switch 14 to disconnect it. Then, install and clamp the current-leading clamp 21 onto the wires at both ends of the heating clamp that needs to be replaced. Finally, close the fuse-type disconnecting switch 14 to connect it. At this time, the portable low-voltage single-phase bypass switch forms a bypass for the heating clamp that needs to be replaced, and the current flows through the circuit of the portable low-voltage single-phase bypass switch. The heating clamp that needs to be replaced can be replaced directly without power outage.

[0039] Removal steps:

[0040] See appendix Figure 6 After the heating wire clamp that needs to be replaced has been replaced, first pull open the fuse-type disconnector 142 of the fuse-type disconnector 14 to disconnect the fuse-type disconnector 14. Then remove the drain wire clamp 21. Then loosen the quick-connect plug 23 on the low-voltage drain component 2 from the first quick-connect socket 15 and the second quick-connect socket on the low-voltage single-phase bypass switch body 1. Finally, loosen the self-locking strap 18 and remove the low-voltage single-phase bypass switch body 1.

[0041] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of this utility model. It should be understood that the above description is only a specific embodiment of this utility model and is not intended to limit this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A portable low-voltage single-phase bypass switch, characterized in that, include: The low-voltage single-phase bypass switch body and two low-voltage lead-in components, among which, The low-voltage single-phase bypass switch body includes: a housing, a first quick-connect socket, a second quick-connect socket, a stationary contact, a moving contact, a base, and a fuse carrier. The base is disposed inside the housing. The first quick-connect socket is disposed on the housing and electrically connected to the moving contact. The second quick-connect socket is disposed on the housing and electrically connected to the stationary contact. The moving contact and the stationary contact are disposed on the base. The fuse carrier is movably disposed on the base and electrically connected to the stationary contact. The fuse carrier can be flipped to connect and conduct with the moving contact. The low-voltage draining device includes: a draining clamp, a draining wire, and a quick-connect plug. The draining clamp is used to connect and conduct the wires at both ends of the clamp to be replaced, and is electrically connected to the draining wire. The draining wire is electrically connected to the quick-connect plug. The quick-connect plug can be connected and conducted to the first quick-connect socket or the second quick-connect socket.

2. The portable low-voltage single-phase bypass switch as described in claim 1, characterized in that, The enclosure is an insulated enclosure; An insulating base plate is fixed inside the box. The base is fixed to the insulating base plate; The opening of the enclosure is detachably fitted with an insulated cover.

3. The portable low-voltage single-phase bypass switch as described in claim 2, characterized in that, The insulating box cover is provided with an opening adapted to the shape of the fusion carrier, and the fusion carrier is located in the opening.

4. The portable low-voltage single-phase bypass switch as described in claim 1, characterized in that, The first quick-connect socket is electrically connected to the moving contact via a connecting copper plate; The second quick-connect socket is electrically connected to the stationary contact via a connecting copper plate.

5. The portable low-voltage single-phase bypass switch as described in claim 1, characterized in that, The box is equipped with a horizontal support and a self-locking strap. The crossbar bracket is fixed to the back of the housing by fasteners; The two ends of the self-locking strap are respectively fixed to the two ends of the crossbar bracket, and are used to secure the box to the fixing facility near the clamp to be replaced.

6. The portable low-voltage single-phase bypass switch as described in claim 1, characterized in that, A handle is fixed to the box.

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