CN216251233U

CN216251233U - Plug-in assembly

Info

Publication number: CN216251233U
Application number: CN202122965967.1U
Authority: CN
Inventors: 刘立双; 李林柯
Original assignee: Shijiazhuang Handi Technology Co ltd
Current assignee: Shijiazhuang Handi Technology Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-04-08
Anticipated expiration: 2031-11-29

Abstract

The utility model provides an electric plug-in component, which comprises a socket and a plug; the socket comprises an insulating seat and a conductive column which is vertically connected and fixed on the insulating seat; the insulating seat is fixedly connected to an operation panel of the high-voltage line parameter testing device, and the conductive column is used for connecting a testing cable; the plug comprises an insulating shell and a conductive sleeve embedded in the insulating shell; the conductive sleeve is used for being connected with a high-voltage cable penetrating into the insulating shell, and insulating glue used for coating the conductive sleeve and the high-voltage cable is filled and sealed in the insulating shell; when the conductive columns are correspondingly inserted into the conductive sleeves, the test cable is conducted with the high-voltage cable. The plug-in assembly provided by the utility model can improve the safety of plug-in operation during parameter testing of a high-voltage line.

Description

Plug-in assembly

Technical Field

The utility model belongs to the technical field of high-voltage line testing, and particularly relates to an electric plug-in assembly.

Background

When the parameter test of the high-voltage transmission line is carried out, if a tester mistakenly removes a test line at the end of the parameter test device in advance and touches a metal part on a plug of the test line under the condition that the transmission line is not connected with a grounding switch or a test connecting line at the end of the high-voltage transmission line is not removed, the power transmission line can suffer induced electric shock to cause casualty accidents.

At present, when the high-voltage cable is electrically connected with a test circuit, a mode that a plug is directly inserted into a socket is mostly adopted, the socket is usually fixed on a parameter test device to serve as a female connection end, the plug is connected with the high-voltage cable to serve as a male connection end, and because the high-voltage cable is a live end and a conductive contact pin of the plug is exposed, electric shock accidents are easy to happen in the process that an operator holds the plug and the socket for plugging, and great potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides an electric plug assembly, aiming at improving the safety of electric plug operation during parameter testing of a high-voltage line.

In order to achieve the purpose, the utility model adopts the technical scheme that: providing a plug-in assembly, comprising a socket and a plug; the socket comprises an insulating seat and a conductive column which is vertically connected and fixed on the insulating seat; the insulating seat is fixedly connected to an operation panel of the high-voltage line parameter testing device, and the conductive column is used for connecting a testing cable; the plug comprises an insulating shell and a conductive sleeve embedded in the insulating shell; the conductive sleeve is used for being connected with a high-voltage cable penetrating into the insulating shell, and insulating glue used for coating the conductive sleeve and the high-voltage cable is filled and sealed in the insulating shell; when the conductive columns are correspondingly inserted into the conductive sleeves, the test cable is conducted with the high-voltage cable.

In one possible implementation, the insulating housing comprises a cylindrical shell and an enclosure; the column shell is internally provided with a partition plate, the partition plate divides an inner cavity of the column shell into a protection cavity and an encapsulation cavity, the protection cavity and the encapsulation cavity are respectively opened towards two ends of the column shell, and one side of the partition plate, which faces the protection cavity, is provided with an embedding hole suitable for embedding the conductive sleeve; the enclosure is screwed and fixed with the opening of the encapsulation cavity, and a threading hole suitable for a high-voltage cable to pass through is formed in the enclosure.

In some embodiments, the embedding hole is a stepped hole, and the large-diameter section of the embedding hole is communicated with the protection cavity and the small-diameter section is communicated with the encapsulation cavity; the conductive sleeve is wholly embedded in the large-diameter section in a concave mode.

Illustratively, one end of the conductive sleeve is provided with a conductive screw rod extending along the axial direction of the conductive sleeve, the conductive screw rod penetrates through the small-diameter section and extends into the encapsulation cavity, the extending end is screwed with a conductive nut column, and the conductive nut column is fixedly connected with the high-voltage cable through a fastener.

In a possible implementation mode, the insulating base is provided with a bearing cavity suitable for the insertion of the column shell, the conductive column penetrates through the bottom wall of the insulating base and upwards extends into the bearing cavity, and when the column shell is inserted into the bearing cavity and is abutted against the bottom wall of the bearing cavity, the conductive column is connected with the corresponding conductive sleeve in an inserting mode.

In some embodiments, the bottom wall of the receiving chamber is provided with a positioning table protruding upwards, and the positioning table is embedded with the protection chamber when the column shell is inserted into the receiving chamber.

Exemplarily, the positioning table is provided with a through hole for penetrating the conductive column.

For example, the conductive column includes a stud segment and an insertion segment, wherein the stud segment is screwed into the through hole, and the insertion segment extends upward into the receiving cavity.

In some embodiments, the peripheral wall of the receptacle is provided with a plurality of engaging lugs spaced circumferentially therealong.

The plug-in assembly provided by the utility model has the beneficial effects that: compared with the prior art, the plug-in component of the utility model has the advantages that the socket is fixedly arranged on the operation panel of the high-voltage line parameter testing device through the insulating seat, the testing cable is electrically connected with the conductive post connected on the insulating seat, the high-voltage cable is electrically connected with the conductive sleeve embedded in the insulating shell of the plug, and the insulating glue filled in the insulating shell is used for wrapping the conductive sleeve and the penetrated high-voltage cable after the connection is finished, so that the fixing stability of the conductive sleeve can be improved on the premise of ensuring the insulativity of the insulating shell, when in testing, an operator can conduct the high-voltage cable and the testing cable by aligning the conductive sleeve and the conductive post and plugging the conductive sleeve by holding the plug, the operation is simple and convenient, and because the conductive sleeve connected with the high-voltage cable is always positioned in the insulating shell, the safety accident caused by the mistaken touch of the hand of the operator can be avoided in the plugging operation process, therefore, the safety of power-on operation during parameter testing of the high-voltage line is improved.

Drawings

Fig. 1 is a schematic cross-sectional view of an electrical plug assembly according to an embodiment of the present invention;

fig. 2 is an exploded view of a plug-in assembly according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of an insulating housing employed in an embodiment of the present invention;

fig. 4 is a schematic structural diagram of an insulating base according to an embodiment of the present invention.

In the figure: 10. a socket; 11. an insulating base; 111. a receiving chamber; 112. a positioning table; 113. a through hole; 12. a conductive post; 121. a stud segment; 122. inserting and mounting sections; 13. connecting lugs; 20. a plug; 21. an insulating housing; 211. a column shell; 2111. a protective cavity; 2112. encapsulating the cavity; 2113. embedding holes; 212. an enclosure; 2121. threading holes; 22. a conductive sleeve; 221. a conductive screw; 222. a conductive nut post; 23. insulating glue; 30. an operation panel; 40. testing the cable; 50. a high voltage cable.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1 and 2 together, the electrical plug-in assembly provided by the present invention will now be described. The plug-in assembly comprises a socket 10 and a plug 20; the socket 10 comprises an insulating base 11 and a conductive column 12 vertically connected and fixed on the insulating base 11; the insulating base 11 is used for being fixedly connected to an operation panel 30 of the high-voltage line parameter testing device, and the conductive column 12 is used for being connected with a testing cable 40; the plug 20 comprises an insulating shell 21 and a conductive sleeve 22 embedded in the insulating shell 21; the conductive sleeve 22 is used for being connected with a high-voltage cable 50 penetrating into the insulating shell 21, and the insulating glue 23 used for coating the conductive sleeve 22 and the high-voltage cable 50 is filled in the insulating shell 21; when the conductive column 12 is correspondingly plugged into the conductive sleeve 22, the test cable 40 is conducted with the high voltage cable 50.

It should be noted here that the high voltage cable 50 is led out from the high voltage line, and in the testing process, the high voltage line may have a high voltage of more than five kilovolts due to a mutual inductance or a capacitive coupling effect (only the grounding knife switch is closed during the wiring to avoid electric shock), and the testing cable 40 is not electrified when not being communicated with the high voltage cable 50, and in the testing process, the high voltage line parameter testing device is placed at a fixed point, an operator needs to hold the plug 20 to drag the high voltage cable 50 to be plugged with the socket 10 for energization, and since the conductive sleeve 22 connected with the high voltage cable 50 is embedded inside the insulating housing 21, when the operator holds the plug 20, the conductive sleeve 22 is not touched by mistake, and the conductive column 12 is exposed on the insulating base 11, but is in a power-off state after the conductive sleeve 22 is not inserted or pulled out from the conductive sleeve 22, so that even if the operator touches the conductive column 12 by mistake, the conductive column 12 will not be touched by mistake, in the plugging process, the socket 10 is fixed on the operation panel 30, so that an operator only needs to hold the insulating housing 21 without contacting and supporting the socket 10, and the operator does not contact the conductive column 12 which is not completely separated from the conductive sleeve 22, thereby avoiding the electric shock condition in the plugging process.

In addition, when the high voltage circuit parameter test is performed, each phase circuit on the high voltage circuit needs to be correspondingly connected to a corresponding test line on the parameter test device, usually in a one-to-one connection manner, so the electrical components used in this embodiment may be a corresponding conductive post 12 and a corresponding conductive sleeve 22, a plurality of electrical components are installed on the operation panel 30 to connect the high voltage circuit and the test circuit, or a plurality of conductive sleeves 22 and conductive posts 12 are correspondingly arranged on the plug 20 and the socket 10, and at this time, only one or more electrical components capable of meeting the wiring requirements need to be correspondingly arranged on the operation panel 30.

Compared with the prior art, the plug-in component provided by the embodiment is characterized in that the socket 10 is fixedly installed on the operation panel 30 of the high-voltage line parameter testing device through the insulating base 11, the testing cable 40 is electrically connected with the conductive column 12 connected to the insulating base 11, the high-voltage cable 50 is electrically connected with the conductive sleeve 22 embedded in the insulating shell 21 of the plug 20, and the insulating glue 23 is encapsulated in the insulating shell 21 to wrap the conductive sleeve 22 and the penetrated high-voltage cable 50 after the connection is completed, so that the fixing stability of the conductive sleeve 22 can be improved on the premise of ensuring the insulativity of the insulating shell 21, when testing, an operator can conduct the high-voltage cable 50 and the testing cable 40 by inserting the conductive sleeve 22 and the conductive column 12 after aligning the plug 20, the operation is simple and convenient, because the conductive sleeve 22 connected with the high-voltage cable 50 is always located in the insulating shell 21, therefore, in the process of plugging and unplugging operation, the safety accident caused by the fact that the hands of an operator touch the conductive sleeve 22 by mistake can be avoided, and the safety of plugging operation in the process of testing the parameters of the high-voltage line is improved.

In some embodiments, please refer to fig. 1 and 3, the insulating housing 21 includes a cylindrical shell 211 and an enclosure 212; a partition board is arranged in the column shell 211, the partition board divides an inner cavity of the column shell 211 into a protection cavity 2111 and a potting cavity 2112, the protection cavity 2111 and the potting cavity 2112 are respectively open towards two ends of the column shell 211, and one side of the partition board facing the protection cavity 2111 is provided with an embedding hole 2113 suitable for embedding the conductive sleeve 22; the capsule 212 is screwed to the mouth of the potting chamber 2112, and the capsule 212 is provided with a threading hole 2121 through which the high-voltage cable 50 passes.

Open capsule 212 during the wiring, fill behind the wiring completion behind the embedment chamber 2112 behind the encapsulation insulating cement 23 with capsule 212 and embedment chamber 2112's oral area connect soon fixedly, the wiring is convenient, because the existence of protection chamber 2111, after electrically conductive cover 22 inlays the dress and inlays in the embedding hole 2113 on the baffle, can make electrically conductive cover 22's tip shrink inside column shell 211 to contact electrically conductive cover 22 when can avoiding the operator to touch the tip of column shell 211, improve the operational safety.

Specifically, the embedding hole 2113 is a stepped hole, and a large-diameter section of the embedding hole 2113 is communicated with the protection cavity 2111, and a small-diameter section is communicated with the encapsulation cavity 2112; the conductive sleeve 22 is integrally recessed in the large diameter section. Set up to the shoulder hole and can make the whole big footpath section of embedding of conductive sleeve 22 inside back and carry out the butt location with the step face of shoulder hole, also make things convenient for high-voltage cable 50 to pass the footpath section simultaneously and be connected with conductive sleeve 22, it should be understood, because the whole concave embedding of conductive sleeve 22 is inside big footpath section, even consequently the operator's hand stretches into the inside big footpath port department that touches the shoulder hole of protection chamber 2111, also can not contact conductive sleeve 22, thereby avoid electrocuteeing, the security performance is improved.

For example, referring to fig. 1, one end of the conductive sleeve 22 is provided with a conductive screw 221 extending along an axial direction thereof, the conductive screw 221 passes through the small diameter section and extends into the potting cavity 2112, the extending end is screwed with a conductive nut column 222, and the conductive nut column 222 is connected and fixed with the high-voltage cable 50 through a fastener. The conductive nut column 222 is a nut-type column with a certain length, and is a common piece for electrical connection, the main body part of the conductive sleeve 22 is integrally embedded into the large-diameter section and abutted against the step surface of the stepped hole, and the conductive screw 221 penetrates through the small-diameter section and is screwed and fixed with one end of the conductive nut column 222, so that the conductive sleeve 22 can be prevented from being separated from the large-diameter section, the connection reliability of the conductive sleeve 22 is ensured, meanwhile, when the high-voltage cable 50 is connected, a terminal can be welded on a cable core of the high-voltage cable 50, and then the terminal is screwed and fixed with the other end of the conductive nut column 222 after penetrating through the terminal through a fastener, and the wiring is convenient and reliable.

In some possible implementations, please refer to fig. 1 and 4, the insulating base 11 is provided with a receiving cavity 111 into which the pillar shell 211 is inserted, the conductive pillar 12 is disposed on the bottom wall of the insulating base 11 and extends upward into the receiving cavity 111, and when the pillar shell 211 is inserted into the receiving cavity 111 and abuts against the bottom wall of the receiving cavity 111, the conductive pillar 12 is inserted into and conducted with the corresponding conductive sleeve 22. The end of the column housing 211 can be inserted by providing the receiving cavity 111, so that the plugging position of the plug 20 and the socket 10 is covered and protected, and the safety is high.

In the present embodiment, referring to fig. 1 and 4, the bottom wall of the receiving chamber 111 is provided with a positioning table 112 protruding upward, and when the column housing 211 is inserted into the receiving chamber 111, the positioning table 112 is engaged with the protection chamber 2111. Through the engagement of the positioning table 112 and the protection cavity 2111, on the one hand, the connection stability of the plug 20 and the socket 10 can be improved, and on the other hand, the conductive post 12 or the conductive sleeve 22 can be prevented from being stressed and bent during the insertion and extraction process.

Further, in the present embodiment, the positioning table 112 is provided with a through hole 113 for penetrating the conductive pillar 12. The conductive column 12 and the through hole 113 can be connected in a tight fit manner, and the glue can be applied to the inserting part before the conductive column 12 is inserted into the through hole 113, so as to ensure the connection stability of the conductive column 12.

As a specific structure of the conductive post 12, please refer to fig. 1 and fig. 2, the conductive post 12 includes a stud segment 121 and a plug segment 122, wherein the stud segment 121 is screwed into the through hole 113, and the plug segment 122 extends upward into the receiving cavity 111. The connection between the conductive column 12 and the through hole 113 is realized by directly adopting a screwing and fixing mode, the connection is convenient and reliable, meanwhile, the thread of the stud section 121 can be coated with glue before screwing so as to improve the connection reliability, and the inserting section 122 extending into the bearing cavity 111 after the connection is finished can be inserted and connected with the conductive sleeve 22, so that the structure is simple and the connection is stable.

It should be understood that, in some embodiments, referring to fig. 1, in order to facilitate the connection and fixation of the socket 10 and the operation panel 30, the peripheral wall of the socket 10 is provided with a plurality of connection lugs 13 spaced along the peripheral direction thereof. Can conveniently carry out fixed connection with operating panel 30 through setting up engaging lug 13, improve socket 10's connection stability, avoid plug in-process socket 10 to drop from operating panel 30 and cause the risk of electrocuteeing.

It should be noted that in the present embodiment, the insulating housing 21 and the insulating base 11 are made of high-voltage-resistant insulating material, such as POM (polyoxymethylene) or bakelite.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. An electrical outlet assembly, comprising:

the socket comprises an insulating seat and a conductive column which is vertically connected and fixed on the insulating seat; the insulating seat is used for being fixedly connected to an operation panel of the high-voltage line parameter testing device, and the conductive column is used for being connected with a testing cable;

the plug comprises an insulating shell and a conductive sleeve embedded in the insulating shell; the conductive sleeve is used for being connected with a high-voltage cable penetrating into the insulating shell, and insulating glue used for coating the conductive sleeve and the high-voltage cable is filled in the insulating shell;

when the conductive columns are correspondingly inserted into the conductive sleeves, the test cable is conducted with the high-voltage cable.

2. The electrical jack assembly of claim 1, wherein the insulative housing comprises:

the column shell is internally provided with a partition plate, the partition plate divides an inner cavity of the column shell into a protection cavity and an encapsulation cavity, the protection cavity and the encapsulation cavity are respectively opened towards two ends of the column shell, and one side of the partition plate, which faces the protection cavity, is provided with an embedding hole suitable for embedding the conductive sleeve;

and the enclosure is screwed and fixed with the opening of the encapsulation cavity, and a threading hole suitable for the high-voltage cable to pass through is formed in the enclosure.

3. The electrical outlet assembly of claim 2, wherein the recessed aperture is a stepped aperture, and a large diameter section of the recessed aperture is in communication with the shielding cavity and a small diameter section is in communication with the potting cavity; the conductive sleeve is integrally embedded in the large-diameter section in a concave mode.

4. The electrical plug assembly according to claim 3, wherein one end of the conductive sleeve is provided with a conductive screw rod extending along an axial direction thereof, the conductive screw rod passes through the small diameter section and extends into the potting cavity, the extending end is screwed with a conductive nut column, and the conductive nut column is fixedly connected with the high-voltage cable through a fastener.

5. The electrical plug assembly according to claim 2, wherein the insulating base is provided with a receiving cavity adapted to be inserted by the housing, the conductive post is inserted through the bottom wall of the insulating base and extends upward into the receiving cavity, and when the housing is inserted into the receiving cavity and abuts against the bottom wall of the receiving cavity, the conductive post is electrically connected to the conductive sleeve.

6. The connector assembly of claim 5, wherein the receiving cavity has an upwardly projecting positioning ledge on a bottom wall thereof, the positioning ledge engaging a peripheral wall of the protective cavity when the column housing is inserted into the receiving cavity.

7. The electrical connector assembly of claim 6, wherein the positioning stage has a through hole for passing the conductive post.

8. The electrical outlet assembly of claim 7, wherein the conductive post includes a stud segment and a plug segment, wherein the stud segment is threaded into the through-hole and the plug segment extends upwardly into the receiving cavity.

9. An electrical plug assembly according to any one of claims 1 to 8 wherein the peripheral wall of the socket is provided with a plurality of engaging lugs spaced circumferentially thereof.