CN112736597A - Cable connector of quick switching mouth - Google Patents
Cable connector of quick switching mouth Download PDFInfo
- Publication number
- CN112736597A CN112736597A CN202011483142.XA CN202011483142A CN112736597A CN 112736597 A CN112736597 A CN 112736597A CN 202011483142 A CN202011483142 A CN 202011483142A CN 112736597 A CN112736597 A CN 112736597A
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- Prior art keywords
- base
- pressing
- shell
- plug
- bottom end
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R27/00—Coupling parts adapted for co-operation with two or more dissimilar counterparts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention relates to the technical field of cable connection, in particular to a cable connecting piece of a quick switching port, which comprises a shell, a limiting block, an electrifying base, a pressing clamp and a plug-in terminal, wherein the shell is provided with a clamping groove; a connecting copper bar is arranged inside the shell; the limiting block is fixedly connected to one end of the shell and provided with a limiting groove; the power-on base is fixedly connected to the bottom end of the limiting groove and electrically connected with the connecting copper bar inside the shell. The invention has the beneficial effects that: the cable connecting piece of the quick switching port can realize stable connection between external cables of different specifications and the transformer substation, has high universality, and improves the convenience of connection between the external cables and a power supply for the transformer substation or equipment in the substation; the external cable only needs to be inserted through the plug-in terminal and compressed tightly between the clamp and the power-on base, does not need to be additionally fixed, is convenient and efficient to connect, and is convenient to repeatedly plug and pull.
Description
Technical Field
The invention relates to the technical field of cable connection, in particular to a cable connecting piece of a quick switching port.
Background
The station power supply system of the transformer substation is the heart of the transformer substation and is responsible for power supply of low-voltage alternating-current and direct-current power utilization equipment of the whole substation.
When the transformer substation is overhauled or external equipment is in alternating current connection with in-station equipment of the transformer substation, an external cable needs to be connected with a busbar of a station power supply of the transformer substation or a joint of the in-station equipment, but the external cable does not have a uniform specification, so that direct connection between the external cable and the busbar of the station power supply of the transformer substation cannot be achieved, and inconvenience is very high.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the cable connecting piece of the quick switching port can realize quick connection between cables of different specifications and a transformer substation.
In order to solve the technical problems, the technical scheme of the invention is as follows: a cable connecting piece of a quick switching port comprises a shell, a limiting block, an electrified base, a pressing clamp and a plug-in terminal;
a connecting copper bar is arranged inside the shell;
the limiting block is fixedly connected to one end of the shell and provided with a limiting groove;
the power-on base is fixedly connected to the bottom end of the limiting groove and is electrically connected with the connecting copper bar inside the shell;
the pressing clamp is fixedly connected to the shell and positioned above the limiting block, and the bottom end of the pressing clamp is positioned in the limiting groove;
one end of the plug-in terminal is provided with a plug-in part, and the plug-in part is positioned between the pressing clamp and the power-on base and is pressed on the power-on base by the pressing clamp.
Specifically, the compressing clamp comprises a seat body, a handle, a connecting rod, a pressing rod and a pressing block, the seat body is fixedly connected to the shell, one end of the handle is hinged to the seat body, the pressing rod is connected to the seat body in a sliding mode along the longitudinal direction, one end of the connecting rod is hinged to the handle, the other end of the connecting rod is hinged to the pressing rod, and the pressing block is connected to the bottom end of the pressing rod and located in the limiting groove.
Specifically, compress tightly clamp still includes the telescopic link, fore-and-aft inner chamber has been seted up to the bottom of depression bar, telescopic link sliding connection is in the inner chamber, the telescopic link bottom is equipped with the flange, set up the draw-in groove that corresponds with the flange on the briquetting, the flange joint is in the draw-in groove.
Specifically, the bottom end of the pressing block is provided with a positioning column, and the insertion part is provided with a jack corresponding to the positioning column.
Specifically, the power-on base is provided with a yielding hole corresponding to the positioning column.
Specifically, the circular telegram base includes lower seat and upper seat, lower seat fixed connection is in spacing bottom of the groove, the slot has been seted up on the lower seat, the upper seat body bottom is equipped with the inserted block that corresponds with the slot, the inserted block is pegged graft in the slot.
Specifically, still include connecting element, connecting element fixed connection is on the casing, connecting element and the inside connection copper bar electric connection of casing.
In particular, the connecting element is an aircraft plug.
The invention has the beneficial effects that: the cable connecting piece of the quick switching port can realize stable connection between external cables of different specifications and the transformer substation, has high universality, and improves the convenience of connection between the external cables and a power supply for the transformer substation or equipment in the substation; the external cable only needs to be inserted through the plug-in terminal and compressed tightly between the clamp and the power-on base, does not need to be additionally fixed, is convenient and efficient to connect, and is convenient to repeatedly plug and pull.
Drawings
FIG. 1 is a schematic diagram of an internal structure of a cable connector of a quick-connect port according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of a cable connector of the quick-connect interface in accordance with an embodiment of the present invention;
FIG. 3 is a schematic diagram of an external structure of a cable connector of the quick-connect interface according to an embodiment of the present invention;
FIG. 4 is a front view of a cable connector of the quick-connect interface according to an embodiment of the present invention;
FIG. 5 is a top view of a cable connector of the quick-connect interface according to an embodiment of the present invention;
description of reference numerals:
1. a housing; 11. connecting the copper bars; 2. a limiting block; 21. a limiting groove; 3. a power-on base; 31. a lower seat; 32. an upper seat; 4. pressing the clamp; 41. a base body; 42. a handle; 43. a connecting rod; 44. a pressure lever; 45. briquetting; 451. a card slot; 452. a positioning column; 46. a telescopic rod; 461. a flange; 5. a plug-in terminal; 51. a plug-in part; 6. a connecting element.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to the attached drawings 1 to 5, the cable connecting piece of the quick switching port comprises a shell 1, a limiting block 2, an electrifying base 3, a pressing clamp 4 and a plug-in terminal 5;
a connecting copper bar 11 is arranged inside the shell 1;
the limiting block 2 is fixedly connected to one end of the shell 1, and a limiting groove 21 is formed in the limiting block 2;
the electrifying base 3 is fixedly connected to the bottom end of the limiting groove 21 and is electrically connected with the connecting copper bar 11 in the shell 1;
the pressing clamp 4 is fixedly connected to the shell 1 and positioned above the limiting block 2, and the bottom end of the pressing clamp 4 is positioned in the limiting groove 21;
one end of the plug terminal 5 is provided with a plug part 51, and the plug part 51 is positioned between the pressing clamp 4 and the power-on base 3 and is pressed on the power-on base 3 by the pressing clamp 4.
The working principle of the invention is as follows: plug terminal 5 connects on the external cable, when being connected external cable and the equipment of standing, insert the grafting portion 51 of plug terminal 5 and compress tightly between clamp 4 and the circular telegram base 3, and be compressed tightly clamp 4 and press on circular telegram base 3, realize plug terminal 5 and be connected the electric connection between copper bar 11 through circular telegram base 3, and then realize being connected of external cable and the equipment of standing, the current signal of external cable passes through plug terminal 5, circular telegram base 3 and connect copper bar 11 and transmit to and be connected the equipment of standing that copper bar 11 is connected.
As can be seen from the above description, the beneficial effects of the present invention are: the cable connecting piece of the quick switching port can realize stable connection between external cables of different specifications and the transformer substation, has high universality, and improves the convenience of connection between the external cables and a power supply for the transformer substation or equipment in the substation; the external cable only needs to be inserted through the plug-in terminal and compressed tightly between the clamp and the power-on base, does not need to be additionally fixed, is convenient and efficient to connect, and is convenient to repeatedly plug and pull.
Further, the pressing clamp 4 includes a base body 41, a handle 42, a connecting rod 43, a pressing rod 44 and a pressing block 45, the base body 41 is fixedly connected to the casing 1, one end of the handle 42 is hinged to the base body 41, the pressing rod 44 is connected to the base body 41 in a longitudinal sliding manner, one end of the connecting rod 43 is hinged to the handle 42, the other end of the connecting rod 43 is hinged to the pressing rod 44, and the pressing block 45 is connected to the bottom end of the pressing rod 44 and located in the limiting groove 21.
According to the above description, when the insertion part is located between the pressing block and the electrified base, the handle is pressed downwards, the handle drives the connecting rod to move, the connecting rod pushes the pressing rod to move downwards, the pressing block is tightly pressed on the insertion part, and meanwhile, the handle can form self-locking, so that the insertion part is tightly and stably contacted with the electrified base; when the connection is required to be disconnected, the pressing block can be loosened only by lifting the handle upwards, and then the inserting part can be taken out easily.
Further, the pressing clamp 4 further comprises a telescopic rod 46, a longitudinal inner cavity is formed in the bottom end of the pressing rod 44, the telescopic rod 46 is connected in the inner cavity in a sliding mode, a flange 461 is arranged at the bottom end of the telescopic rod 46, a clamping groove 451 corresponding to the flange 461 is formed in the pressing block 45, and the flange 461 is clamped in the clamping groove 451.
According to the above description, when the handle is lifted upwards, the pressure rod moves upwards, the telescopic rod moves downwards relative to the pressure rod under the action of gravity, the pressure block is still pressed on the insertion part under the action of self weight, and the insertion part is prevented from directly falling off. Simultaneously can conveniently dismouting between the flange of briquetting and telescopic link for the briquetting can carry out the adaptability according to the concrete shape of grafting portion and change, improves cable connecting piece's commonality.
Furthermore, a positioning column 452 is disposed at the bottom end of the pressing block 45, and an insertion hole corresponding to the positioning column 452 is disposed on the insertion part 51.
It can be known from the above description that, after the grafting portion inserted between briquetting and the circular telegram base, the reference column can stretch into in the jack to further fix grafting portion, avoid grafting portion to take place to break away from.
Furthermore, a yielding hole corresponding to the positioning column 452 is formed in the power-on base 3.
Further, the power-on base 3 comprises a lower seat 31 and an upper seat 32, the lower seat 31 is fixedly connected to the bottom end of the limiting groove 21, a slot is formed in the lower seat 31, an insertion block corresponding to the slot is arranged at the bottom end of the upper seat 32, and the insertion block is inserted into the slot.
It can be known from the above description that can carry out convenient dismouting through inserted block and slot between upper seat and the lower seat to the upper seat that can be convenient for the circular telegram base can carry out the adaptability according to the concrete shape of grafting portion and change.
Further, still include connecting element 6, connecting element 6 fixed connection is on casing 1, connecting element 6 and the inside connection copper bar 11 electric connection of casing 1.
As can be seen from the above description, the connection element may be a universal joint of a substation, and the cable connection member can be freely connected to a power bus bar or an in-station device of the substation.
Further, the connecting element 6 is an aircraft plug.
Example one
A cable connecting piece of a quick switching port comprises a shell 1, a limiting block 2, an electrified base 3, a pressing clamp 4 and a plug-in terminal 5;
a connecting copper bar 11 is arranged inside the shell 1;
the limiting block 2 is fixedly connected to one end of the shell 1, and a limiting groove 21 is formed in the limiting block 2;
the electrifying base 3 is fixedly connected to the bottom end of the limiting groove 21 and is electrically connected with the connecting copper bar 11 in the shell 1;
the pressing clamp 4 is fixedly connected to the shell 1 and positioned above the limiting block 2, and the bottom end of the pressing clamp 4 is positioned in the limiting groove 21;
one end of the plug-in terminal 5 is provided with a plug-in part 51, the plug-in part 51 is positioned between the pressing clamp 4 and the electrified base 3 and is pressed on the electrified base 3 by the pressing clamp 4;
the pressing clamp 4 comprises a seat body 41, a handle 42, a connecting rod 43, a pressing rod 44 and a pressing block 45, the seat body 41 is fixedly connected to the shell 1, one end of the handle 42 is hinged to the seat body 41, the pressing rod 44 is connected to the seat body 41 in a longitudinal sliding mode, one end of the connecting rod 43 is hinged to the handle 42, the other end of the connecting rod 43 is hinged to the pressing rod 44, and the pressing block 45 is connected to the bottom end of the pressing rod 44 and located in the limiting groove 21;
the pressing clamp 4 further comprises a telescopic rod 46, a longitudinal inner cavity is formed in the bottom end of the pressing rod 44, the telescopic rod 46 is connected in the inner cavity in a sliding mode, a flange 461 is arranged at the bottom end of the telescopic rod 46, a clamping groove 451 corresponding to the flange 461 is formed in the pressing block 45, and the flange 461 is clamped in the clamping groove 451;
a positioning column 452 is arranged at the bottom end of the pressing block 45, an insertion hole corresponding to the positioning column 452 is formed in the insertion part 51, and a yielding hole corresponding to the positioning column 452 is formed in the electrifying base 3;
the power-on base 3 comprises a lower base 31 and an upper base 32, the lower base 31 is fixedly connected to the bottom end of the limiting groove 21, a slot is formed in the lower base 31, an inserting block corresponding to the slot is arranged at the bottom end of the upper base 32, and the inserting block is inserted into the slot;
still include connecting element 6, connecting element 6 fixed connection is on casing 1, connecting element 6 and the inside connection copper bar 11 electric connection of casing 1, connecting element 6 is the aviation plug.
In conclusion, the beneficial effects provided by the invention are as follows: the cable connecting piece of the quick switching port can realize stable connection between external cables of different specifications and the transformer substation, has high universality, and improves the convenience of connection between the external cables and a power supply for the transformer substation or equipment in the substation; the external cable only needs to be inserted through the plug-in terminal and compressed tightly between the clamp and the power-on base, does not need to be additionally fixed, is convenient and efficient to connect, and is convenient to repeatedly plug and pull. When the inserting part is positioned between the pressing block and the electrified base, the handle is pressed downwards, the handle drives the connecting rod to move, the connecting rod pushes the pressing rod to move downwards, the pressing block is tightly pressed on the inserting part, and meanwhile, the handle can form self locking, so that the inserting part is tightly and stably contacted with the electrified base; when the connection is required to be disconnected, the pressing block can be loosened only by lifting the handle upwards, and then the inserting part can be taken out easily. After the handle is lifted upwards, the pressure rod moves upwards, the telescopic rod moves downwards relative to the pressure rod under the action of gravity, the pressing block is still pressed on the insertion part under the action of dead weight, the insertion part is prevented from directly falling off, and in addition, a spring can be arranged between the top end of the telescopic rod and the inner cavity to ensure that the telescopic rod still has certain pressure on the insertion part when the pressure rod moves upwards. Simultaneously can conveniently dismouting between the flange of briquetting and telescopic link for the briquetting can carry out the adaptability according to the concrete shape of grafting portion and change, improves cable connecting piece's commonality. After insertion part inserts between briquetting and the circular telegram base, the reference column can stretch into in the jack to further fix insertion part, avoid insertion part to take place to break away from. The upper seat and the lower seat can be conveniently disassembled and assembled through the inserting block and the inserting groove, so that the upper seat of the power-on base can be conveniently and adaptively replaced according to the specific shape of the inserting part. The connecting element can be a universal joint of the transformer substation, and the cable connecting piece can be freely connected with a power supply busbar or equipment in the transformer substation.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (8)
1. A cable connecting piece of a quick switching port is characterized by comprising a shell, a limiting block, an electrified base, a pressing clamp and a plug-in terminal;
a connecting copper bar is arranged inside the shell;
the limiting block is fixedly connected to one end of the shell and provided with a limiting groove;
the power-on base is fixedly connected to the bottom end of the limiting groove and is electrically connected with the connecting copper bar inside the shell;
the pressing clamp is fixedly connected to the shell and positioned above the limiting block, and the bottom end of the pressing clamp is positioned in the limiting groove;
one end of the plug-in terminal is provided with a plug-in part, and the plug-in part is positioned between the pressing clamp and the power-on base and is pressed on the power-on base by the pressing clamp.
2. The cable connector of a quick-connect port as claimed in claim 1, wherein the pressing clamp includes a base, a handle, a connecting rod, a pressing rod and a pressing block, the base is fixedly connected to the housing, one end of the handle is hinged to the base, the pressing rod is connected to the base in a sliding manner along a longitudinal direction, one end of the connecting rod is hinged to the handle, the other end of the connecting rod is hinged to the pressing rod, and the pressing block is connected to a bottom end of the pressing rod and located in the limiting groove.
3. The cable connector of a quick-change-over port according to claim 2, wherein the pressing clamp further comprises a telescopic rod, a longitudinal inner cavity is formed in the bottom end of the pressing rod, the telescopic rod is slidably connected in the inner cavity, a flange is arranged at the bottom end of the telescopic rod, a clamping groove corresponding to the flange is formed in the pressing block, and the flange is clamped in the clamping groove.
4. The cable connector of the quick-adapting port as claimed in claim 2, wherein a positioning column is disposed at the bottom end of the pressing block, and the inserting portion is provided with a jack corresponding to the positioning column.
5. The cable connector of the rapid transit interface as claimed in claim 4, wherein the energizing base is provided with a yielding hole corresponding to the positioning post.
6. The cable connector of a quick-change interface as claimed in claim 5, wherein the power-on base includes a lower base and an upper base, the lower base is fixedly connected to the bottom end of the limiting groove, the lower base is provided with a slot, the bottom end of the upper base is provided with an insertion block corresponding to the slot, and the insertion block is inserted into the slot.
7. The cable connector of a quick-connect port as claimed in claim 1, further comprising a connecting member, wherein the connecting member is fixedly connected to the housing, and the connecting member is electrically connected to the connecting copper bar inside the housing.
8. The quick-connect interface cable connector of claim 7, wherein said connecting element is an aircraft plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011483142.XA CN112736597B (en) | 2020-12-16 | 2020-12-16 | Cable connector of quick switching mouth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011483142.XA CN112736597B (en) | 2020-12-16 | 2020-12-16 | Cable connector of quick switching mouth |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112736597A true CN112736597A (en) | 2021-04-30 |
| CN112736597B CN112736597B (en) | 2022-04-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011483142.XA Active CN112736597B (en) | 2020-12-16 | 2020-12-16 | Cable connector of quick switching mouth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112736597B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB951802A (en) * | 1960-03-07 | 1964-03-11 | Gottfried Glasel | Improvements in and relating to neutral conductor terminal units and terminal blocks |
| GB1454155A (en) * | 1974-01-23 | 1976-10-27 | Gen Signal Corp | Electrical connector |
| EP0053252A1 (en) * | 1980-12-02 | 1982-06-09 | BROWN, BOVERI & CIE Aktiengesellschaft | Adapter for electrical installation equipment |
| CN201274379Y (en) * | 2008-10-16 | 2009-07-15 | 杭州中恒电气股份有限公司 | Feed line standard unit for plastic circuit breaker |
| CN201754432U (en) * | 2010-06-24 | 2011-03-02 | 宁波勋辉电器有限公司 | Rapid wiring device of electrical equipment |
| CN102901850A (en) * | 2011-07-29 | 2013-01-30 | Abb股份公司 | Adapter component |
| CN209150324U (en) * | 2018-11-12 | 2019-07-23 | 上海永继电气股份有限公司 | The connection structure of connecting terminal and wiring board |
| CN110224265A (en) * | 2019-05-28 | 2019-09-10 | 惠州市开关厂 | Quick connector and emergency power distribution cabinet |
| CN209418816U (en) * | 2019-04-16 | 2019-09-20 | 浙江苏耐电力科技有限公司 | A kind of outlet connecting terminal of two-way breaker bus adapter |
| CN209860353U (en) * | 2019-05-20 | 2019-12-27 | 易霸科技(威海)股份有限公司 | Grounding component of power transformation and distribution device |
| CN111952752A (en) * | 2020-08-03 | 2020-11-17 | 杭州之江开关股份有限公司 | 0.4kV power system distribution uninterrupted operation system and operation method thereof |
-
2020
- 2020-12-16 CN CN202011483142.XA patent/CN112736597B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB951802A (en) * | 1960-03-07 | 1964-03-11 | Gottfried Glasel | Improvements in and relating to neutral conductor terminal units and terminal blocks |
| GB1454155A (en) * | 1974-01-23 | 1976-10-27 | Gen Signal Corp | Electrical connector |
| EP0053252A1 (en) * | 1980-12-02 | 1982-06-09 | BROWN, BOVERI & CIE Aktiengesellschaft | Adapter for electrical installation equipment |
| CN201274379Y (en) * | 2008-10-16 | 2009-07-15 | 杭州中恒电气股份有限公司 | Feed line standard unit for plastic circuit breaker |
| CN201754432U (en) * | 2010-06-24 | 2011-03-02 | 宁波勋辉电器有限公司 | Rapid wiring device of electrical equipment |
| CN102901850A (en) * | 2011-07-29 | 2013-01-30 | Abb股份公司 | Adapter component |
| CN209150324U (en) * | 2018-11-12 | 2019-07-23 | 上海永继电气股份有限公司 | The connection structure of connecting terminal and wiring board |
| CN209418816U (en) * | 2019-04-16 | 2019-09-20 | 浙江苏耐电力科技有限公司 | A kind of outlet connecting terminal of two-way breaker bus adapter |
| CN209860353U (en) * | 2019-05-20 | 2019-12-27 | 易霸科技(威海)股份有限公司 | Grounding component of power transformation and distribution device |
| CN110224265A (en) * | 2019-05-28 | 2019-09-10 | 惠州市开关厂 | Quick connector and emergency power distribution cabinet |
| CN111952752A (en) * | 2020-08-03 | 2020-11-17 | 杭州之江开关股份有限公司 | 0.4kV power system distribution uninterrupted operation system and operation method thereof |
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| Publication number | Publication date |
|---|---|
| CN112736597B (en) | 2022-04-12 |
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