CN113541084B - Quick connector for power taking and data acquisition and environment-friendly gas-insulated ring main unit thereof - Google Patents
Quick connector for power taking and data acquisition and environment-friendly gas-insulated ring main unit thereof Download PDFInfo
- Publication number
- CN113541084B CN113541084B CN202110879258.3A CN202110879258A CN113541084B CN 113541084 B CN113541084 B CN 113541084B CN 202110879258 A CN202110879258 A CN 202110879258A CN 113541084 B CN113541084 B CN 113541084B
- Authority
- CN
- China
- Prior art keywords
- base
- sleeve
- quick connector
- joint seat
- limiting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/02—Cable terminations
- H02G15/04—Cable-end sealings
- H02G15/043—Cable-end sealings with end caps, e.g. sleeve closed at one end
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/0358—Connections to in or out conductors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connector Housings Or Holding Contact Members (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses a quick connector for power taking and data acquisition and an environment-friendly gas insulation ring main unit thereof, wherein the quick connector comprises an insulation cap and a connector base; the joint seat comprises a base; the base is provided with a limiting hole for the steel ball to be clamped in; the insulation cap comprises an insulation cap main body, and an inner guide sleeve is fixed outside the insulation cap main body; the outer wall of the inner guide sleeve is provided with a groove for accommodating the steel balls; the insulation cap moves in the joint seat in an interference fit mode. The environment-friendly gas insulation ring main unit comprises a ring main unit body, a main bus, an instrument room, a switch room, a mechanism room and a cable room, and further comprises the quick connector; and a sleeve is arranged in the cable chamber and connected with the quick connector. The invention can effectively prevent the conductive piece from creepage to the outside, has good sealing effect and avoids the influence of dust, water vapor and dirt on the inside of the high-voltage electric connection part.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to a quick connector for power taking and data acquisition and an environment-friendly gas-insulated ring main unit thereof.
Background
In the prior art, when the equipment of the 10kV environment-friendly gas-insulated ring main unit is installed on site, the environment-friendly gas-insulated ring main unit and a cable need to be connected so as to ensure the connection of the lines and ensure that current flows through the environment-friendly gas-insulated ring main unit safely and reliably. Generally, the existing environment-friendly gas-insulated ring main unit has the defects that the interface part connected with a cable is inconvenient to assemble and disassemble, long in construction time, not tight in sealing, and capable of creepage to the outside, the construction progress is seriously affected, and the defects are particularly obvious under the condition that emergency power supply is needed for rescue, disaster relief, hospital operation and the like.
Disclosure of Invention
The invention aims to provide a quick connector for power taking and data acquisition and an environment-friendly gas-insulated ring main unit thereof, which are used for solving at least one technical problem, can effectively prevent a conductive piece from creepage to the outside, have good sealing effect and avoid the influence of dust, water vapor and dirt on the inside of a high-voltage electric connection part.
The embodiment of the invention is realized by the following steps:
a quick connector comprises an insulating cap and a connector base.
The joint seat comprises a base.
The base is provided with a limiting hole for the steel ball to be clamped in.
The insulating cap comprises an insulating cap main body, and an inner guide sleeve is fixed outside the insulating cap main body.
The outer wall of the inner guide sleeve is provided with a groove for accommodating the steel balls.
The insulation cap moves in the joint seat in an interference fit manner.
In a preferred embodiment of the present invention, the connector housing further comprises a lock sleeve and an on-housing retainer.
One end of the base protrudes to form a limiting ring, and the other end of the base is fixed with the limiting piece on the base.
The lock sleeve is sleeved on the main body of the base, one end of the lock sleeve is abutted to the limiting ring to limit movement, and the other end of the lock sleeve is abutted to the limiting piece on the base to limit movement.
A limit pin is fixed on the main body of the base.
And the lock sleeve is provided with a limit groove corresponding to the limit pin, so that the lock sleeve can move along the main body of the base and can rotate and lock.
The technical effects are as follows: and rotating the lock sleeve to enable the limiting pin to enter the limiting groove, so that the lock sleeve can move on the main body of the base.
In a preferred embodiment of the invention, the lock sleeve comprises a lock sleeve body.
The inner wall of the lock sleeve main body protrudes to form a stop block.
The main body of the base is provided with a base slideway for the stop block to move.
The base slide is close to one side of spacing collar is gone up the cover and is equipped with the elastic component.
One end of the stop block is abutted to the elastic piece for limiting movement, and the other end of the stop block is abutted to the limiting piece on the seat for limiting movement.
The technical effects are as follows: after the insulating cap is pushed into the joint seat, the stop block pushes the steel balls to fall into the groove, and the insulating cap and the joint seat are fixed.
In a preferred embodiment of the invention, the inner guide sleeve is externally fixed with an outer guide sleeve.
The inner guide sleeve is connected with the outer guide sleeve through threads.
The technical effects are as follows: a tight package is formed.
In a preferred embodiment of the present invention, a chamfer is provided at the front end of the inner guide sleeve inserted into the joint seat.
The technical effects are as follows: the insulating cap can conveniently enter the joint seat.
In a preferred embodiment of the invention, the base is fixed to the sleeve.
The base is fixed on the sleeve by an M8 nut.
The technical effects are as follows: securing the base with the cannula.
In a preferred embodiment of the present invention, one end of the inner guide sleeve, which is close to the joint seat, extends into the joint seat and abuts against the sleeve.
One end of the inner guide sleeve, which is far away from the joint seat, protrudes and is abutted to the joint seat.
The technical effects are as follows: is beneficial to sealing.
In a preferred embodiment of the present invention, a rolled pattern is disposed outside the lock sleeve.
And the outer part of the inner guide sleeve is provided with rolled patterns.
The technical effects are as follows: the insulating cap and the joint seat are convenient to mount and dismount.
The utility model provides an environmental protection gas insulation looped netowrk cabinet, its includes looped netowrk cabinet main part, main bus, instrument room, switch room, mechanism room and cable chamber, still includes as before quick-operation joint.
And a sleeve is arranged in the cable chamber and connected with the quick connector.
In a preferred embodiment of the invention, the main bus bar extends from above the switchgear cabinet.
And the inside of the instrument room is provided with a terminal row, a relay protection device, an indicator light and a button.
The switch chamber is sealed, and a breaker or a load switch is arranged inside the switch chamber.
The mechanism chamber is connected with the switch chamber.
The embodiment of the invention has the beneficial effects that:
the quick connector with good sealing performance can effectively prevent the conductive piece from creepage to the outside, has good sealing effect, and avoids the influence of dust, water vapor and dirt on the inside of the high-voltage electric connection part.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
The quick connector and the environmentally friendly gas insulated ring main unit according to the present invention will be described in further detail with reference to the accompanying drawings and the detailed description thereof.
FIG. 1 is a schematic view of the structure of the quick connector of the present invention;
FIG. 2 is a schematic view of the quick connector of the present invention with the insulative cap mounted on the connector housing;
FIG. 3 is a schematic view of a connector base of the quick connector of the present invention;
FIG. 4 is a schematic view of the structure of the insulating cap of the quick connector of the present invention;
FIG. 5 is a schematic diagram of a front view of the environment-friendly gas-insulated ring main unit according to the present invention;
fig. 6 is a schematic side view of the environment-friendly gas-insulated ring main unit according to the present invention;
fig. 7 is an enlarged schematic view of a portion a in fig. 6.
In the figure: 1-a ring main unit main body; 2-main bus; 3-an instrument room; 4-a switching chamber; 5-a mechanism chamber; 6-a cable chamber; 7-a sleeve; 8-a joint seat; 801-a base; 8011-a stop collar; 802-a spacing pin; 803-lock sleeve; 8031-a stopper; 804-an elastic member; 805-steel balls; 806-upper stops; 9-an insulating cap; 901-chamfering; 902-grooves; 903-an inner guide sleeve; 904-insulating cap body; 905-external guide sleeve.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein can be arranged and designed in a wide variety of different configurations.
Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The embodiments and features of the embodiments described below can be combined with each other without conflict.
Referring to fig. 1 to 4, a first embodiment of the present invention provides a quick connector, which includes an insulating cap 9 and a connector base 8.
The socket 8 includes a base 801.
The base 801 is provided with a limiting hole for the steel ball 805 to be clamped in.
The insulation cap 9 comprises an insulation cap body 904, and an inner guide sleeve 903 is externally fixed on the insulation cap body 904.
The outer wall of the inner guide sleeve 903 is provided with a groove 902 for accommodating the steel ball 805.
The insulation cap 9 moves in the socket 8 in an interference fit manner.
In the preferred embodiment of the present invention, the connector housing 8 further comprises a locking sleeve 803 and an upper housing limiting member 806.
One end of the base 801 protrudes to form a limiting ring 8011, and the other end of the base fixes a limiting member 806 on the base.
The lock sleeve 803 is sleeved on the main body of the base 801, one end of the lock sleeve is limited to move by abutting against the limiting ring 8011, and the other end of the lock sleeve is limited to move by abutting against the limiting piece 806 on the base.
A stopper pin 802 is fixed to the body of the base 801.
A limiting groove is formed in the lock sleeve 803 corresponding to the limiting pin 802, so that the lock sleeve 803 can move along the main body of the base 801 and can rotate and be locked.
The technical effects are as follows: the lock sleeve 803 is rotated to make the limit pin 802 enter the limit groove, so that the lock sleeve 803 can move on the main body of the base 801.
In the preferred embodiment of the present invention, the lock sleeve 803 includes a lock sleeve body 803.
The inner wall of the sleeve body 803 protrudes to form a stop 8031.
The main body of the base 801 is provided with a base slideway for the stopper 8031 to move.
The base slide is provided with an elastic element 804 on one side close to the limiting ring 8011.
The stopper 8031 has one end restricted from moving by abutting against the elastic member 804 and the other end restricted from moving by abutting against the stopper 806 on the seat.
The technical effects are as follows: after the insulation cap 9 is pushed into the joint seat 8, the stopper 8031 pushes the steel ball 805 to fall into the groove 902, so as to fix the insulation cap 9 and the joint seat 8.
In the preferred embodiment of the present invention, the inner guide sleeve 903 is externally fixed with an outer guide sleeve 905.
The inner guide sleeve 903 is connected with the outer guide sleeve 905 through threads.
The technical effects are as follows: a tight package is formed.
In the preferred embodiment of the present invention, the front end of the inner guide sleeve 903 inserted into the joint seat 8 is provided with a chamfer 901.
The technical effects are as follows: the insulation cap 9 is convenient to enter the joint seat 8.
In the preferred embodiment of the present invention, the base 801 is fixed to the sleeve 7.
The base 801 is fixed to the sleeve 7 by means of M8 nuts.
The technical effects are as follows: the base 801 is fixed to the sleeve 7.
In the preferred embodiment of the present invention, one end of the inner guide sleeve 903 near the joint seat 8 extends into the joint seat 8 and abuts against the sleeve 7.
One end of the inner guide sleeve 903, which is far away from the joint seat 8, protrudes to abut against the joint seat 8.
The technical effects are as follows: is beneficial to sealing.
In the preferred embodiment of the present invention, a rolled pattern is disposed outside the lock sleeve 803.
And the outer part of the inner guide sleeve 903 is provided with rolled patterns.
The technical effects are as follows: the insulating cap 9 and the joint seat 8 are convenient to mount and dismount.
Referring to fig. 1 to 7, a second embodiment of the present invention provides an environmental protection gas insulation ring main unit, which includes a ring main unit body 1, a main bus 2, an instrument room 3, a switch room 4, a mechanism room 5, a cable room 6, and a quick coupling as described above.
And a sleeve 7 is arranged in the cable chamber 6 and connected with the quick connector.
In the preferred embodiment of the invention, the main bus bar 2 extends from above the switchgear cabinet 4.
And a terminal block, a relay protection device, an indicator light and a button are arranged in the instrument room 3.
The switch chamber 4 is sealed, and a circuit breaker or a load switch is arranged in the switch chamber.
The mechanism chamber 5 is connected to the switch chamber 4.
Referring to fig. 1 to 7, a third embodiment of the present invention provides a method for installing a quick coupling for an environmental protection gas insulation ring main unit, including:
firstly, aligning 2 limiting grooves on the lock sleeve 803 with the limiting pin 802, then applying force leftwards and rotating clockwise to loosen the lock sleeve 803, and fixing the position of the lock sleeve 803 at a position close to a flange of the base 801; the elastic member 804 is compressed; the steel ball 805 may return to the cavity formed by the base 801 and the jacket 803 without leaving the aperture in the jacket 803.
One hand is used for forcibly pushing the insulating cap 9 to be aligned with the connector base 8 leftwards, the other hand is used for rotating the lock sleeve 803 anticlockwise, under the action of the elastic element 804, the lock sleeve 803 moves rightwards to the position of the limiting element 806 on the base, the protrusion on the lock sleeve 803 just presses the steel ball 805 on the limiting hole on the base 801, the steel ball 805 protrudes out of the inner surface of the base 801 and is matched with the groove 902, and at the moment, the insulating cap 9 is firmly fixed and cannot be taken out rightwards.
Referring to fig. 1 to 7, a fourth embodiment of the present invention provides a method for disassembling a quick coupling for an environmental protection gas insulation ring main unit, including:
the 2 position-limiting grooves on the lock sleeve 803 are aligned with the position-limiting pins 802, and then the lock sleeve 803 is loosened by applying force leftwards and rotating clockwise, and the lock sleeve 803 is fixed at a position close to the flange of the base 801. The steel ball 805 can return to the cavity formed by the base 801 and the lock sleeve 803, and the steel ball 805 no longer protrudes out of the inner surface of the base 801, so that the insulation cap 9 can be taken out rightwards.
The embodiment of the invention aims to protect a quick connector and an environment-friendly gas insulation ring main unit thereof, and has the following effects:
the quick connector with good sealing performance can effectively prevent the conductive piece from creepage to the outside, has good sealing effect, is used as a reliable front-end interface for power supply power taking and power consumption data acquisition of miniaturized sealing equipment such as a ring main unit, a switch cabinet and the like, more conveniently and reliably acquires primary power consumption data of a system and transmits the primary power consumption data to subsequent series of terminal equipment for data acquisition and processing of the terminal equipment, can provide a reliable data source for data analysis of a data space of an electric power system, can complete functions of emergency power supply, power consumption and the like, and effectively avoids the influence of dust, water vapor and dirt on the inside of a high-voltage electrical connection part, so that the data acquisition and the power consumption supply are more convenient and reliable, and are free from environmental interference. The time for installing and disassembling the cable accessories is less than 1 minute, the construction efficiency is effectively improved, and precious time is saved for rescue, disaster relief, hospital operations and the like.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (8)
1. A quick connector is characterized by comprising an insulating cap (9) and a connector base (8);
the joint seat (8) comprises a base (801);
the base (801) is provided with a limiting hole for the steel ball (805) to be clamped in;
the insulation cap (9) comprises an insulation cap main body (904), and an inner guide sleeve (903) is fixed outside the insulation cap main body (904);
the outer wall of the inner guide sleeve (903) is provided with a groove (902) for accommodating the steel ball (805);
the insulation cap (9) moves in the joint seat (8) in an interference fit manner;
the joint seat (8) further comprises a lock sleeve (803) and an upper seat limiting piece (806);
one end of the base (801) protrudes to form a limiting ring (8011), and the other end of the base fixes a limiting piece (806) on the base;
the lock sleeve (803) is sleeved on the main body of the base (801), one end of the lock sleeve is limited to move by abutting against the limiting ring (8011), and the other end of the lock sleeve is limited to move by abutting against the limiting piece (806) on the base;
a limiting pin (802) is fixed on the main body of the base (801);
a limiting groove is formed in the lock sleeve (803) corresponding to the limiting pin (802) and used for enabling the lock sleeve (803) to move along the main body of the base (801) and to rotate and lock;
the lock case (803) includes a lock case body;
the inner wall of the lock sleeve main body protrudes to form a stopper (8031);
a base slideway is arranged on the main body of the base (801) and used for the stopper (8031) to move;
an elastic piece (804) is sleeved on one side, close to the limiting ring (8011), of the base slideway;
one end of the stopper (8031) is limited by abutting against the elastic member (804), and the other end is limited by abutting against the upper seat limiting member (806).
2. The quick connector according to claim 1,
and an outer guide sleeve (905) is fixed outside the inner guide sleeve (903).
3. The quick connector of claim 1,
the front end of the inner guide sleeve (903) inserted into the joint seat (8) is provided with a chamfer (901).
4. The quick connector of claim 1,
the base (801) is fixed on the sleeve (7).
5. The quick connector according to claim 4,
one end, close to the joint seat (8), of the inner guide sleeve (903) extends into the joint seat (8) and abuts against the sleeve (7);
one end, far away from the joint seat (8), of the inner guide sleeve (903) protrudes and is abutted to the joint seat (8).
6. The quick connector of claim 1,
the lock sleeve (803) is externally provided with rolled patterns;
and the outer part of the inner guide sleeve (903) is provided with a rolled pattern.
7. An environment-friendly gas insulation ring main unit, which is characterized by comprising a ring main unit (1), a main bus (2), an instrument room (3), a switch room (4), a mechanism room (5) and a cable room (6), and further comprising a quick coupling as claimed in any one of claims 1 to 6;
and a sleeve (7) is arranged in the cable chamber (6) and connected with the quick connector.
8. The environmentally friendly gas insulated ring main unit as claimed in claim 7,
the main bus (2) extends out of the upper part of the switch chamber (4);
a terminal block, a relay protection device, an indicator light and a button are arranged in the instrument room (3);
the switch chamber (4) is sealed, and a circuit breaker or a load switch is arranged in the switch chamber;
the mechanism chamber (5) is connected with the switch chamber (4).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020112437560 | 2020-11-10 | ||
| CN202011243756.0A CN112271689A (en) | 2020-11-10 | 2020-11-10 | Quick-operation joint and gaseous insulation looped netowrk cabinet of environmental protection thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113541084A CN113541084A (en) | 2021-10-22 |
| CN113541084B true CN113541084B (en) | 2022-07-15 |
Family
ID=74340918
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011243756.0A Withdrawn CN112271689A (en) | 2020-11-10 | 2020-11-10 | Quick-operation joint and gaseous insulation looped netowrk cabinet of environmental protection thereof |
| CN202110879258.3A Active CN113541084B (en) | 2020-11-10 | 2021-08-02 | Quick connector for power taking and data acquisition and environment-friendly gas-insulated ring main unit thereof |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011243756.0A Withdrawn CN112271689A (en) | 2020-11-10 | 2020-11-10 | Quick-operation joint and gaseous insulation looped netowrk cabinet of environmental protection thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN112271689A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117134288B (en) * | 2023-10-25 | 2024-01-02 | 山东新大陆电力股份有限公司 | Quick connector and environment-friendly gas-insulated ring main unit thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6655991B2 (en) * | 2002-01-09 | 2003-12-02 | Clark Heebe | Coaxial cable quick connect/disconnect connector |
| CN201330906Y (en) * | 2009-01-08 | 2009-10-21 | 郭黄民 | Quick connecter |
| CN209963735U (en) * | 2019-06-13 | 2020-01-17 | 嵩山线缆有限公司 | Stabilizing device for power cable connector |
| CN111162461A (en) * | 2020-01-20 | 2020-05-15 | 珠海华智高科电气有限公司 | 10kV environment-friendly gas insulation ring main unit |
| CN213879252U (en) * | 2020-11-10 | 2021-08-03 | 北京清畅电力技术股份有限公司 | Quick-operation joint and gaseous insulation looped netowrk cabinet of environmental protection thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107170537B (en) * | 2017-06-28 | 2023-12-22 | 河南森源电气股份有限公司 | Insulating cap, insulating cylinder, insulating structure using insulating cap and switching bus assembly |
-
2020
- 2020-11-10 CN CN202011243756.0A patent/CN112271689A/en not_active Withdrawn
-
2021
- 2021-08-02 CN CN202110879258.3A patent/CN113541084B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6655991B2 (en) * | 2002-01-09 | 2003-12-02 | Clark Heebe | Coaxial cable quick connect/disconnect connector |
| CN201330906Y (en) * | 2009-01-08 | 2009-10-21 | 郭黄民 | Quick connecter |
| CN209963735U (en) * | 2019-06-13 | 2020-01-17 | 嵩山线缆有限公司 | Stabilizing device for power cable connector |
| CN111162461A (en) * | 2020-01-20 | 2020-05-15 | 珠海华智高科电气有限公司 | 10kV environment-friendly gas insulation ring main unit |
| CN213879252U (en) * | 2020-11-10 | 2021-08-03 | 北京清畅电力技术股份有限公司 | Quick-operation joint and gaseous insulation looped netowrk cabinet of environmental protection thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112271689A (en) | 2021-01-26 |
| CN113541084A (en) | 2021-10-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113541084B (en) | Quick connector for power taking and data acquisition and environment-friendly gas-insulated ring main unit thereof | |
| US8128423B2 (en) | Visible open for switchgear assembly | |
| US9112322B2 (en) | Electrical connector with multiple interfaces | |
| JP2018156885A (en) | Wiring connection device and electric device | |
| CN112466701B (en) | Double-break linkage type three-station isolation grounding switch structure | |
| CN213879252U (en) | Quick-operation joint and gaseous insulation looped netowrk cabinet of environmental protection thereof | |
| JP2013041694A (en) | Connector | |
| JP2012019650A (en) | Power receiving-transforming equipment | |
| CN210668175U (en) | Switch cabinet power-off device | |
| CN108288785B (en) | Tripolar on-off leakage protection plug | |
| KR101315437B1 (en) | Gas insulated switchgear | |
| JP2019515455A (en) | HVIL system | |
| CN208986308U (en) | The mother socket of load end on a kind of monopole seat | |
| CN106450880A (en) | Elastic contact device for electric connection | |
| WO2014109089A1 (en) | Vacuum circuit breaker | |
| CN219937773U (en) | Centrally installed switchgear handcart and bypass uninterrupted power supply system with same | |
| CN218828144U (en) | A quick access device of emergency power source for 0.4KVJP cabinet | |
| CN218849972U (en) | SMP self-locking connector | |
| CN219626494U (en) | Quick grounding switch contact structure with guiding function | |
| CN218414336U (en) | Novel double-branch manual maintenance switch | |
| CN220710183U (en) | Contact structure for GIS gas insulation isolating switch | |
| WO2021240759A1 (en) | Bus connection device | |
| CN109236809A (en) | A kind of tight device of quick connection lock | |
| CN216214828U (en) | Conductive connection device and gas-insulated metal-enclosed switchgear | |
| JP2008017674A (en) | Test plug |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |