CN215119476U

CN215119476U - Novel secondary voltage air switch adapter

Info

Publication number: CN215119476U
Application number: CN202120801372.XU
Authority: CN
Inventors: 黄江; 陆凤娇; 蒋文冰
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-12-10
Anticipated expiration: 2031-04-19

Abstract

A novel secondary voltage air switch adapter comprises a plug component and a transition component; the transition assembly comprises at least one transition metal, each transition metal is correspondingly connected with a male plug, one end of the transition metal head connected with the male plug is arranged in the insulating shell, and the other end of the transition metal head is exposed out of the insulating shell; the plug assembly comprises a first plug female head, a second plug female head, an intermediate connector and an insulating sleeve; the first plug-pull piece female head is connected with the second plug-pull piece female head through an intermediate connector; the first plug-pull piece female head, the second plug-pull piece female head and the middle connector are integrally arranged in the insulating sleeve; each plug male head corresponds to a plug assembly, the first plug female head is connected with the plug male head in an opposite plugging mode, and the second plug female head is used for being connected with the regular inspection instrument male head. This novel secondary voltage air switch adapter is demolishd and is resumeed the convenience, and work efficiency is high.

Description

Novel secondary voltage air switch adapter

Technical Field

The utility model relates to an electric power system protective apparatus technical field, in particular to novel secondary voltage air switch adapter.

Background

In the routine secondary power equipment regular maintenance operation, secondary voltage air switch (air switch) lower end wiring needs to be removed for adding, but the problems of easy removal and difficult recovery exist. One reason is that the position of the fixing piece at the lower end can not be seen due to limited space, and when the wiring is recovered, the connector lug can not be placed at the correct position of the fixing piece, so that the fixing is unstable; the second reason is that under the condition that the lower end screw is opened by frequent screwing, the screw is easy to slip, so that when the wiring is restored, the lead is not firmly fastened, the secondary equipment regular inspection work is frequently performed in the high-voltage chamber switch cabinet under the condition, and the time and labor are wasted in the solving process.

The conventional secondary voltage air switch switching device only emphasizes the convenience of regular detection, does not consider the condition of difficult wire connection recovery, and directly causes system problems after adding if the air switch quality has problems.

Disclosure of Invention

The utility model provides a novel secondary voltage air switch adapter solves the empty problem that resumes the difficulty after the lower end connection is demolishd of opening of traditional secondary voltage, and improve equipment examines regularly and maintains operation work efficiency and operating mass with rated load.

The utility model adopts the technical proposal that: a novel secondary voltage air switch adapter comprises a plug component and a transition component; the transition assembly comprises at least one transition metal head, each transition metal head is correspondingly connected with a male plug-in part head, one end of the transition metal head, which is connected with the male plug-in part head, is arranged in the insulating shell, and the other end of the transition metal head is exposed out of the insulating shell and is used for being connected with the secondary air switch; the insulating shell is provided with a long hole for configuring a female head of the plug-in piece within the equal length range of the male head of the plug-in piece; the plug assembly comprises a first plug female head, a second plug female head, an intermediate connector and an insulating sleeve; the first plug-pull piece female head is connected with the second plug-pull piece female head through an intermediate connector; the middle part of the middle connector is respectively provided with a threaded hole and an unthreaded hole for placing a wire, the threaded hole is communicated with the unthreaded hole, and the threaded hole compresses the wire penetrating from the unthreaded hole through a screw; the first plug-pull piece female head, the second plug-pull piece female head and the middle connector are integrally arranged in the insulating sleeve; each plug male head corresponds to a plug assembly, the first plug female head is connected with the plug male head in an opposite plugging mode, and the second plug female head is used for being connected with the regular inspection instrument male head.

The further technical scheme is as follows: the threaded hole and the unthreaded hole are perpendicular to each other in the hole direction; and the insulating sleeve is provided with through holes corresponding to the threaded holes and the unthreaded holes.

The further technical scheme is as follows: the end of the transition metal head exposed out of the insulating shell is made into a shallow groove anti-drop design.

The further technical scheme is as follows: the male plug is a banana plug.

The further technical scheme is as follows: the three transition metal heads share one insulating shell, and the colors of the insulating shell are red, yellow and green to distinguish a live wire, a zero line and a ground wire.

The further technical scheme is as follows: the unthreaded hole is a round hole or a square hole.

The further technical scheme is as follows: the transition metal head and the male head of the plug-in piece are connected by threads or welded or made into a whole.

The further technical scheme is as follows: two ends of the middle connector are connected with the first plug-in part female head and the second plug-in part female head into a whole through threaded connection or welding; or the first plug-pull piece female head, the middle connector and the second plug-pull piece female head are integrally formed.

Since the technical scheme is used, the utility model relates to a novel secondary voltage air switch adapter has following beneficial effect:

1. convenient disassembly and recovery and high working efficiency.

2. Simple structure, the reliability is high.

3. When the adapter is subjected to regular inspection, the adapter is completely cut off from the front-end equipment in a pulling-out mode and is only connected with the detection equipment, so that the external current interference can be reduced, and the detection accuracy is improved. Whereas it was previously conventional to simply disconnect the main switch and the instrumentation still connected to the front-end equipment.

4. The investment cost is low.

The technical features of the novel secondary voltage air switch adapter of the present invention will be further described with reference to the accompanying drawings and embodiments.

Drawings

FIG. 1 is a schematic diagram of a novel secondary voltage air switch adaptor body structure in an embodiment;

FIG. 2 is a schematic diagram of a plug assembly structure of a novel secondary voltage air switch adapter in an embodiment;

fig. 3 is a schematic diagram of a transition assembly structure of a novel secondary voltage air switch adapter in an embodiment.

In the figure:

1-a plug component, 11-the left end of a plug female head, 11 a-a first plug female head, 11 b-a second plug female head, 12-an intermediate connector, 13-a screw, 14-an insulating sleeve I, 15-an insulating sleeve II;

2-transition component, 21-male plug of plug, 22-insulating shell, 23-transition metal head, 24-long hole;

3-conducting wire.

Detailed Description

A novel secondary voltage air switch adapter is a switching device for connecting an air switch and a regular inspection instrument, and comprises a plug component 1 and a transition component 2. The transition assembly 2 is a transition unit connected with the secondary air switch and connected with the plug assembly 1, and the transition assembly 2 comprises at least one transition metal head 23. The transition assembly 2 generally has three transition metal heads 23, as shown in fig. 1 and 3, each transition metal head 23 is correspondingly connected with a male plug 21, and the connection between the transition metal head 23 and the male plug 21 is either a threaded connection, a welded connection or a self-integrated connection. One end of the transition metal head 23 connected with the male plug 21 is arranged in the insulating shell 22, and the other end of the transition metal head 23 is exposed out of the insulating shell 22, is used for being connected with a secondary air switch, and is designed to prevent the plugging of a shallow groove. The male plug 21 may be but is not limited to a banana plug male. The insulating shell 22 is provided with a long hole 24 for configuring a male head of the plug-in piece within a range of the same length as the male head 21 of the plug-in piece; in this embodiment, the three transition metal heads 23 share one insulating housing 22, and the insulating housing 22 is made of insulating materials such as plastics, and is used for preventing an operator from touching the transition metal heads and the male plug of the plug-in unit to avoid electric shock during working.

As shown in fig. 2: one end of the plug component is used for being connected with the plug component male head 21 of the transition component 2, and the other end of the plug component is used for being connected with the plug component male head of the regular checking instrument. The plug assembly 1 comprises a first plug female head 11a, a second plug female head 11b, an intermediate connector 12 and an insulating sleeve 14. The first plug-pull piece female head 11a is connected with the second plug-pull piece female head 11b through the intermediate connector 12, and the combined connection mode can be that the two ends of the intermediate connector 12 are connected with the first plug-pull piece female head 11a and the second plug-pull piece female head 11b into a whole through threaded connection or welding, and the first plug-pull piece female head 11a, the intermediate connector 12 and the second plug-pull piece female head 11b can also be manufactured into a whole.

The middle part of the intermediate connector 12 is respectively provided with a threaded hole and an unthreaded hole for placing a wire, the threaded hole is communicated with the unthreaded hole, the threaded hole and the unthreaded hole are mutually vertical in the hole direction, the unthreaded hole can be a round hole or a square hole for placing the wire, and the threaded hole compresses tightly the wire 3 penetrating from the unthreaded hole through a screw 13. The optical hole of the plugging component 1 is required to be connected with a lead when the equipment normally operates and is detected. The first plug-pull piece female head 11a, the second plug-pull piece female head 11b and the middle connector 12 are integrally arranged in the insulating sleeve 14; the insulating sleeve 14 is provided with a through hole corresponding to the threaded hole and the unthreaded hole. When the wire is installed, the insulating sleeve can rotate 360 degrees. The color of the insulating shell 22 is red, yellow and green to distinguish a live wire, a zero wire and a ground wire.

Plug subassembly 1 and transition subassembly 2 are under the assembled state, and every plug member public head 21 corresponds a plug subassembly 1, first plug member female head 11a and plug member public head 21 are to inserting the connection, second plug member female head 11b is used for linking to each other with the public head of regular checking instrument.

A novel secondary voltage air switch adapter implementation operation method comprises the following steps:

1. the detection implementation operation method comprises the following steps:

1) the transition metal head 23 of the transition component 2 is connected with the secondary voltage air switch for a long time, and the air switch is required to be disconnected during detection;

2) in order to reduce the interference of the air switch on the detection result, the plugging component 1 needs to be pulled out from the transition component 2;

3) after plug subassembly 1 extracts, first wire also can be even at this moment, makes things convenient for the later stage just need not even again, puts into plug subassembly 1's unthreaded hole to the wire that penetrates from the unthreaded hole through screw 13 compresses tightly promptly.

4) The plug of the regular checking instrument is inserted into the female head 11b of the second plug-pull piece of the plug-pull assembly 1 for connection;

5) and carrying out normal dosage detection.

2. And after the detection is finished, the operation method for recovering implementation is as follows:

1) pulling out the plug of the fixed inspection instrument;

2) inserting the first plug female head 11a of the plug assembly 1 into the plug male head 21 of the transition assembly 2;

3) and (5) normally operating the air switch equipment.

The utility model discloses the part that does not relate to all is the same with prior art or can adopt prior art to realize. The above description is for further details of the present invention with reference to specific preferred embodiments, and it should not be understood that the embodiments of the present invention are limited to the description of the above embodiments, and it will be apparent to those skilled in the art that the present invention can be implemented in a plurality of ways without departing from the spirit of the present invention, and all of them should be considered as belonging to the scope of the present invention as defined by the appended claims.

Claims

1. The utility model provides a novel secondary voltage air switch adapter which characterized in that: comprises a plug component (1) and a transition component (2); the transition assembly (2) comprises at least one transition metal head (23), each transition metal head (23) is correspondingly connected with a male plug (21), one end of each transition metal head (23) connected with the male plug (21) is arranged in the insulating shell (22), and the other end of each transition metal head (23) is exposed out of the insulating shell (22) and is used for being connected with a secondary air switch; the insulating shell (22) is provided with a long hole (24) for configuring a female head of the plug-in piece within the equal length range of the male head (21) of the plug-in piece; the plug assembly (1) comprises a first plug female head (11 a), a second plug female head (11 b), an intermediate connector (12) and an insulating sleeve (14); the first plug-in female head (11 a) is connected with the second plug-in female head (11 b) through an intermediate connector (12); the middle part of the middle connector (12) is respectively provided with a threaded hole and an unthreaded hole for placing a wire, the threaded hole is communicated with the unthreaded hole, and the threaded hole compresses the wire (3) penetrating through the unthreaded hole through a screw (13); the first plug-pull piece female head (11 a), the second plug-pull piece female head (11 b) and the intermediate connector (12) are integrally arranged in the insulating sleeve (14); each plug male head (21) corresponds to one plug assembly (1), the first plug female head (11 a) is connected with the plug male head (21) in an opposite plugging mode, and the second plug female head (11 b) is used for being connected with the plug of the regular inspection instrument.

2. The novel secondary voltage air switch adapter according to claim 1, characterized in that: the threaded hole and the unthreaded hole are perpendicular to each other in the hole direction; the insulating sleeve (14) is provided with through holes corresponding to the threaded holes and the unthreaded holes.

3. The novel secondary voltage air switch adapter according to claim 2, characterized in that: the end of the transition metal head (23) exposed out of the insulating shell (22) is made into a shallow groove anti-drop design.

4. The novel secondary voltage air switch adapter according to claim 3, characterized in that: the male plug (21) is a banana plug male.

5. The novel secondary voltage air switch adapter according to claim 1, characterized in that: the three transition metal heads (23) share one insulating shell (22), and the colors of the insulating shell (22) are red, yellow and green to distinguish a live wire, a zero wire and a ground wire.

6. The novel secondary voltage air switch adapter according to claim 1, characterized in that: the unthreaded hole is a round hole or a square hole.

7. The novel secondary voltage air switch adapter according to claim 1, characterized in that: the transition metal head (23) is connected with the male head (21) of the plug-in piece in a threaded manner, or welded or integrated.

8. The novel secondary voltage air switch adapter according to claim 1, characterized in that: two ends of the middle connector (12) are connected with the first plug-in part female head (11 a) and the second plug-in part female head (11 b) into a whole through threaded connection or welding; or the first plug-in female head (11 a), the intermediate connector (12) and the second plug-in female head (11 b) are integrally formed.