CN109285735B - Intelligent air switch with interconnection communication port bridging structure - Google Patents
Intelligent air switch with interconnection communication port bridging structure Download PDFInfo
- Publication number
- CN109285735B CN109285735B CN201811249072.4A CN201811249072A CN109285735B CN 109285735 B CN109285735 B CN 109285735B CN 201811249072 A CN201811249072 A CN 201811249072A CN 109285735 B CN109285735 B CN 109285735B
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- bridging
- board
- shell
- relay board
- communication port
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- 238000004891 communication Methods 0.000 title claims abstract description 17
- 238000012360 testing method Methods 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- RIRXDDRGHVUXNJ-UHFFFAOYSA-N [Cu].[P] Chemical compound [Cu].[P] RIRXDDRGHVUXNJ-UHFFFAOYSA-N 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
- H01H71/0228—Mounting or assembling the different parts of the circuit breaker having provisions for interchangeable or replaceable parts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/08—Terminals; Connections
Landscapes
- Switch Cases, Indication, And Locking (AREA)
- Breakers (AREA)
Abstract
The intelligent air switch with the interconnection communication port bridging structure is characterized in that a bridging device is formed by fixedly arranging a relay board and a bridging board which is arranged in a split mode with a shell, the relay board is provided with a connecting point and is electrically connected with a signal wire of an internal control circuit, a plurality of elastic contacts and a plurality of parallel conducting strips are respectively arranged on the opposite surfaces of the bridging board and the relay board, a bridging board guide structure perpendicular to two side surfaces of the shell is arranged on the shell, the relay board is positioned in a sliding projection track of the bridging board, and the front surface of the shell is provided with an inserting port and a limiting mechanism of the bridging board. The intelligent breaker bridging device provided by the invention slides to the adjacent breaker by utilizing the bridging plate and is connected with the elastic contact on the relay plate, so that the purpose of reliably bridging the signal line of the control circuit is achieved. When the intelligent circuit breaker needs to be maintained, the corresponding intelligent circuit breaker can be detached only by moving the bridging plate back, and the intelligent circuit breaker is very convenient.
Description
Technical Field
The invention relates to an intelligent air switch with an interconnection communication port bridging structure.
Background
With the improvement of the application requirements of the circuit breaker and the development of the technology, the functions of the circuit breaker are further required, namely the functions of remote control and data acquisition are required, the device is generally called an intelligent air switch, and the intelligent air switch can form switches with different functions according to different internal structures, for example, a tripping mechanism, an operation structure and a corresponding control circuit are arranged in the intelligent air switch, so that the intelligent circuit breaker and the circuit breaker of the Internet of things can be formed; the magnetic saturation relay and the corresponding control circuit are arranged inside the intelligent relay. In a specific application, the intelligent air switch is generally provided with a plurality of intelligent circuit breakers (or intelligent controllers) in a control cabinet at the same time, all the intelligent circuit breakers are arranged side by side, left and right sides and adjacent circuit breakers are arranged in a pasting mode, meanwhile, a main controller is further arranged in the control cabinet, and the main controller is connected with signal lines of all the intelligent circuit breakers in the control cabinet through a bridging device to form a system. The bridging device of the existing intelligent circuit breaker generally adopts the following modes: in the intelligent circuit breaker, a pin hole and a contact point are arranged at a signal line connection point of a circuit, the pin hole is usually arranged at the front surface of the intelligent circuit breaker facing an operator, and a bridging plate formed by a printed circuit board with vertical pins at two ends is utilized to respectively insert the vertical pins at two ends into the pin holes of two adjacent intelligent circuit breakers from the upper surface, the bottom surface or the front surface so as to connect the signal lines of the two intelligent circuit breakers. When one of the intelligent circuit breakers needs to be replaced or maintained, the two adjacent intelligent circuit breakers can be separated only by pulling out the bridging plate from the front, and the intelligent circuit breakers can be detached, replaced and maintained conveniently like the traditional circuit breakers, but have the defect of unreliable connection, and have higher requirements on the manufacturing and mounting precision of products, so that the production cost is increased; the other is that pin holes are arranged at corresponding positions of the left side surface and the right side surface of the intelligent circuit breaker, and the pin holes of the two intelligent circuit breakers are connected through pin bars, so that signal wires of the two intelligent circuit breakers are connected. The connection reliability is higher, the requirement on the manufacturing precision of products is lower, however, because all intelligent circuit breakers in the control cabinet are arranged side by side, the left side surface and the right side surface are attached to adjacent circuit breakers, when one intelligent circuit breaker needs to be replaced or maintained, the row pins cannot be pulled out from the front, and the two intelligent circuit breakers need to be detached one by one from the two ends, so that the replacement and the maintenance are very troublesome.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the intelligent air switch with the interconnection communication port bridging structure, which is reliable in connection and convenient to replace and maintain.
In order to achieve the above purpose, the present invention discloses an intelligent air switch with an interconnection communication port bridging structure, comprising a housing, and a control circuit arranged in the housing, wherein the intelligent air switch is characterized in that: the communication port bridging structure comprises a relay board and a bridging board, wherein the relay board is fixedly arranged, the bridging board and a shell are arranged in a split mode, a bridging board guide structure is further arranged on the shell, an inserting port and a limiting mechanism of the bridging board are arranged on the upper face, the bottom face or the front face of the shell, the bridging board is inserted through the inserting port and limited in the bridging board guide structure by the limiting mechanism and slidably arranged on the shell, the guide structure extends to two side faces of the shell and is perpendicular to the two side faces, the relay board is located in a projection track of sliding of the bridging board, a plurality of connecting points are arranged on the relay board, connecting points on the relay board are electrically connected with signal wires of an internal control circuit, a plurality of parallel conducting strips and a plurality of pairs of elastic contacts are respectively arranged on opposite faces of the bridging board and are arranged in pairs along two ends of the sliding direction of the bridging board, the conducting strips or the elastic contacts are electrically connected with the connecting points, the number of the elastic contacts is identical to that of the connecting points, and the elastic contacts are correspondingly arranged in a position corresponding to the conducting strips.
Compared with the prior art, the intelligent air switch with the interconnection communication port bridging structure is characterized in that a bridging device is formed by fixedly arranging a relay board and a bridging board which is arranged in a split mode with a shell, the relay board is provided with a connecting point and is electrically connected with a signal wire of an internal control circuit, the opposite surfaces of the bridging board and the relay board are respectively provided with a plurality of elastic contacts and a plurality of parallel conducting strips, the shell is provided with a bridging board guiding structure perpendicular to two side surfaces of the shell, the relay board is positioned in a sliding projection track of the bridging board, and the front surface of the shell is provided with an inserting port and a limiting mechanism of the bridging board. The intelligent breaker bridging device provided by the invention slides to the adjacent breaker by utilizing the bridging plate and is connected with the elastic contact on the relay plate, so that the purpose of reliably bridging the signal line of the control circuit is achieved. When the intelligent circuit breaker needs to be maintained, the corresponding intelligent circuit breaker can be detached only by moving the bridging plate back, and the intelligent circuit breaker is very convenient.
As a further arrangement of the invention, the front surface of the shell is provided with a concave bridge device containing cavity, the bridge device containing cavity is rectangular, an opening of the bridge device containing cavity forms the insertion port, the relay board is positioned and arranged in the bridge device containing cavity, the upper side wall of the bridge device containing cavity is provided with a groove to form a guide groove to form a bridge board guide structure, the bridge board is a rectangular board component matched with the bridge device containing cavity in shape, one side edge of the bridge board is in sliding fit with the guide groove, the other side surface of the bridge board opposite to the bridge board is provided with a groove parallel to the guide groove to form a limit chute, a telescopic limit protrusion is arranged at the position of the lower side wall of the bridge device containing cavity corresponding to the limit chute, and the limit protrusion is matched with the limit chute to form the limit mechanism. Through setting up the bridging device appearance chamber of indent on the front of shell, can accomodate relay board and bridging board in bridging device appearance chamber, do not destroy intelligent circuit breaker's outward appearance, also can play better protection to relay board and bridging board simultaneously.
As still further arrangement of the invention, the bridging device containing cavity is arranged at the lower part of the front surface of the shell, the lower side surface of the shell is provided with a slot communicated with the bridging device containing cavity, the outlet at the inner side of the slot corresponds to the position of the limit chute of the bridging plate, a flashboard is arranged in the slot in a clearance fit manner, and the front end of the flashboard forms the limit protrusion. The bridging device containing cavity is arranged at the lower part of the front surface of the shell, so that enough space is available, and the operation of maintenance personnel is convenient.
As a further arrangement of the invention, two side edges of the flashboard are provided with protruding elastic parts which are elastically propped against the side walls of the slot, wherein the flashboard is preferably provided with a through hole in the middle to divide the flashboard into a front part and a rear part, the front part and the rear part of the flashboard are connected by arc-shaped connecting strips at two side edges, and the arc-shaped connecting strips protrude to two sides to form the elastic parts. Through be equipped with outstanding elasticity position and with slot lateral wall elasticity counterbalance at two sides of flashboard, can make the flashboard more firmly insert in the slot, more reliably restrict the bridging board in bridging board guide structure, prevent to drop, the work is more reliable.
As still further arrangement of the present invention, the elastic contact is constituted by an elastic test pin, the elastic contact is arranged on the relay board, and the conductive strip is arranged on the bridging board. Through above-mentioned setting, utilize elasticity and the conducting strip elasticity of elasticity test needle to offset, reach good contact conductive properties, connect more reliably to elasticity test needle is a ripe product, easily purchases, and convenient equipment.
The invention will be further described with reference to the accompanying drawings and specific examples.
Drawings
FIG. 1 is a schematic view of an embodiment of the present invention;
FIG. 2 is a schematic diagram showing a partial structural decomposition of an embodiment of the present invention;
FIG. 3 is a schematic diagram showing a partial structural decomposition of a second embodiment of the present invention;
FIG. 4 is a third exploded view of a portion of an embodiment of the present invention;
FIG. 5 is a schematic diagram showing a partial structural decomposition of an embodiment of the present invention;
FIG. 6 is a schematic view of a schematic perspective view of an embodiment of a bridge device according to the present invention;
FIG. 7 is a schematic diagram showing a partial structural exploded view of an embodiment of the bridging device of the present invention;
FIG. 8 is a schematic diagram showing a partial structural exploded view of a bridge device according to an embodiment of the present invention;
FIG. 9 is a third exploded view of a portion of an embodiment of the bridging device of the present invention;
FIG. 10 is a front view of an embodiment of the present invention;
FIG. 11 is a cross-sectional view of structure A-A of FIG. 10;
fig. 12 is an enlarged view of a portion I of fig. 11.
Detailed Description
The intelligent air switch can form intelligent switches with different functions according to different internal structures. In this embodiment, for example, as shown in fig. 1, the intelligent air switch with the interconnection communication port bridging structure of the present invention includes a housing 1, and a contact set, a trip mechanism, an operating mechanism, a control circuit and a bridging device that are disposed inside the housing 1. As shown in fig. 2-5, the bridging device comprises a relay board 2 and a bridging board 3, wherein the relay board 2 is fixedly arranged, and the bridging board 3 is arranged separately from the housing 1. The shell 1 is provided with a guide structure of the bridging plate 3, the front surface of the shell 1 is provided with an insertion port 101 of the bridging plate 3 and a limiting mechanism, the bridging plate 3 is inserted through the insertion port 101 and limited in the guide structure of the bridging plate by the limiting mechanism and is slidably arranged on the shell 1, the bridging plate 3 is prevented from falling off, and when the limiting mechanism releases the limiting, the bridging plate 3 can be taken out from the insertion port 101. The guide structures extend to two side surfaces of the shell 1 and are perpendicular to the two side surfaces, so that when a plurality of intelligent circuit breakers are arranged side by side, left side surfaces and right side surfaces are attached to adjacent circuit breakers in a control cabinet, all the guide structures of the bridging plates 3 are arranged in a straight line and are connected with each other, the bridging plates 3 can slide in the guide structures of the bridging plates 3 on the adjacent intelligent circuit breakers, and bridging of control signals can be formed when two ends of the bridging plates 3 are respectively positioned on the two adjacent intelligent circuit breakers. The relay board 2 is located in the projection track where the bridge board 3 slides, the relay board 2 is provided with a plurality of connection points 4, the number of the connection points 4 cannot be less than (usually equal to) the number of signal wires needing to be electrically connected, the connection points 4 on the relay board 2 are electrically connected with the signal wires of the internal control circuit one by one,
the opposite surfaces of the bridging plate 3 and the relay plate 2 are respectively provided with a plurality of parallel conductive strips 6 and a plurality of pairs of elastic contacts 5, each pair of elastic contacts 5 is arranged in pairs along the two ends of the sliding direction of the bridging plate 3, and if the conductive strips 6 are arranged on the bridging plate 3, the elastic contacts 5 are arranged on the relay plate 2, otherwise, the elastic contacts can also be arranged. In this embodiment, as shown in fig. 6-9, the elastic contacts 5 are disposed on the relay board 2, the elastic contacts 5 are electrically connected with the connection points 4, the number of pairs of the elastic contacts 5 and the number of the conductive strips 6 are the same as the number of the connection points 4, and the elastic contacts 5 and the conductive strips 6 are correspondingly and elastically arranged against each other. The elastic contact 5 may be made of a metal material with strong elasticity, such as a phosphor copper sheet, and for more reliable contact, the elastic contact 5 is preferably formed of an elastic test pin, the elastic contact 5 is disposed on the relay board 2, and the conductive strip 6 is disposed on the bridge board 3.
The bridge plate 3 may be provided above the surface of the housing 1, but is preferably flush with the surface of the housing 1. For this purpose, in the present invention, the housing 1 is provided with a bridge device accommodating cavity 102, the relay board 2 is positioned in the bridge device accommodating cavity 102, and the relay board 2 and the bridge board 3 are separately arranged from the housing 1. The bridging device receptacle 102 may not exclude other sides than the left, right and back sides, such as the upper or lower side of the housing 1, if the dimensions and interior space allow, so that the bridging device receptacle 102 is not obstructed in the installed state of the intelligent circuit breaker. For convenience, as shown in fig. 2, in this embodiment, the bridge device accommodating cavity 102 is disposed on the front side (i.e. facing the operator) of the housing 1, specifically, on the lower portion (below the operating handle) of the front side of the housing 1, above the wiring screw hole, the bridge device accommodating cavity 102 is rectangular, the opening of the bridge device accommodating cavity 102 faces the operator, the opening of the bridge device accommodating cavity 102 forms the insertion port 101, and the relay board 2 is positioned in the bridge device accommodating cavity 102. The relay board 2 may be separate and independent, or may be integrally provided with a control circuit. In this embodiment, the relay board 2 and the bridge board 3 are separately disposed with the housing 1, the relay board 2 and the bridge board 3 are also rectangular, and the two paired connection points 4 are respectively disposed at two ends of the relay board 2.
The upper side wall (i.e. the side close to the operating handle) of the bridge device accommodating cavity 102 is provided with a groove to form a guide groove 103 to form a guide structure of the bridge plate 3, the guide groove 103 is parallel to the front surface of the shell 1 and perpendicular to the two side surfaces, the bridge plate 3 is a rectangular plate member with the shape matched with the bridge device accommodating cavity 102, the thickness of one side edge of the bridge plate 3 is matched with the width clearance of the guide groove 103, or a convex rib 301 matched with the width clearance of the guide groove 103 is arranged, the other side surface of the bridge plate 3 opposite to the guide groove is provided with a groove parallel to the guide groove 103 to form a limit chute 302, the limit chute 302 extends to two ends, a telescopic limit protrusion is arranged at the position, corresponding to the limit chute 302, of the lower side wall of the bridge device accommodating cavity 102, and the limit protrusion are matched with the limit chute 302 to form the limit mechanism.
In this embodiment, the specific structure of the limiting mechanism is that a slot 104 extending toward the bridge device accommodating cavity 102 and penetrating the bridge device accommodating cavity 102 is provided on the lower side surface of the housing 1, the slot 104 is preferably provided with two or more slots, two sides of the housing 1 are respectively provided with one slot 104, the slot 104 is preferably flat rectangular or trapezoidal, in this embodiment, a rectangular shape is provided, an outlet on the inner side of the slot 104 corresponds to the position of the limiting chute 302 of the bridge plate 3, a gate plate 7 is provided in the slot 104 in a clearance fit manner, the gate plate 7 is also flat rectangular, and is in clearance fit with the slot 104, and the front end of the gate plate 7 forms the limiting protrusion 703. In order to make the shutter 7 and the slot 104 reliably cooperate, the two sides of the shutter 7 are preferably provided with protruding elastic parts, in this embodiment, a through hole 701 is formed in the middle of the shutter 7 to divide the shutter 7 into a front part and a rear part, the front part and the rear part of the shutter 7 are connected by arc connecting strips 702 arranged on two sides, and the arc connecting strips protrude to two sides to form elastic parts and elastically abut against the side wall of the slot 104.
When the intelligent circuit breaker is installed in a control cabinet side by side and used, the bridging plate 3 is slid to one side, so that part of the intelligent circuit breaker enters the guiding structure of the bridging plate 3 of the adjacent circuit breaker, and two ends of the conducting strip 6 on the bridging plate 3 are respectively connected with the elastic contact 5 on the relay plate 2 of the intelligent circuit breaker and the elastic contact 5 on the relay plate 2 of the adjacent circuit breaker, so that the purpose of reliably bridging the signal wires of the control circuit is achieved. When maintenance is needed, the corresponding intelligent circuit breaker can be detached only by moving the bridging plate 3 back, so that the intelligent circuit breaker is very convenient.
Claims (7)
1. An intelligent air switch with interconnection communication port bridging structure, includes the shell, and set up mechanism and control circuit inside the shell, its characterized in that: the communication port bridging structure comprises a relay board and a bridging board, wherein the relay board is fixedly arranged, the bridging board and a shell are arranged in a split mode, a bridging board guide structure is further arranged on the shell, an inserting port and a limiting mechanism of the bridging board are arranged on the upper face, the bottom face or the front face of the shell, the bridging board is inserted through the inserting port and limited in the bridging board guide structure by the limiting mechanism and slidably arranged on the shell, the guide structure extends to two side faces of the shell and is perpendicular to the two side faces, the relay board is located in a projection track of sliding of the bridging board, a plurality of connecting points are arranged on the relay board, connecting points on the relay board are electrically connected with signal wires of an internal control circuit, a plurality of parallel conducting strips and a plurality of pairs of elastic contacts are respectively arranged on opposite faces of the bridging board and are arranged in pairs along two ends of the sliding direction of the bridging board, the conducting strips or the elastic contacts are electrically connected with the connecting points, the number of the elastic contacts is identical to that of the connecting points, and the elastic contacts are correspondingly arranged in a position corresponding to the conducting strips.
2. The intelligent air switch with interconnection communication port bridging structure of claim 1, wherein: the utility model discloses a bridge device, including shell, bridge device hold the cavity, the bridge device holds the cavity and is equipped with the bridge device hold the cavity, the bridge device holds the opening in cavity and constitutes the inserted port, the relay board location sets up in the bridge device holds the cavity, the bridge device holds the upper side wall in cavity and is equipped with the recess and constitutes the bridge board guide structure, the bridge plate be with bridge device holds the rectangular plate component of cavity shape looks adaptation, one side of bridge plate with guide slot sliding fit, the opposite another side of bridge plate is equipped with the recess that parallels with the guide slot and constitutes spacing spout, the lower side wall that bridge device holds the cavity is equipped with telescopic spacing protruding with spacing spout corresponds department, spacing protruding and spacing spout match and constitute stop gear.
3. The intelligent air switch with interconnection communication port bridging structure of claim 2, wherein: the bridging device holding cavity is arranged at the lower part of the front surface of the shell, the lower side surface of the shell is provided with a slot communicated with the bridging device holding cavity, an outlet at the inner side of the slot corresponds to the position of a limiting chute of the bridging plate, a flashboard is arranged in the slot in a clearance fit manner, and the front end of the flashboard forms the limiting protrusion.
4. The intelligent air switch having an interconnect communication port bridging structure of claim 3, wherein: protruding elastic parts are arranged on two side edges of the flashboard and elastically propped against the side wall of the slot.
5. The intelligent air switch with interconnection communication port bridging structure of claim 4, wherein: the middle part of the flashboard is provided with a through hole to divide the flashboard into a front part and a rear part, the front part and the rear part of the flashboard are connected by arc-shaped connecting strips at two sides, and the arc-shaped connecting strips protrude to two sides to form the elastic part.
6. The intelligent air switch with interconnect communication port bridging structure of any one of claims 1-5, wherein: the elastic contact is composed of an elastic test needle, the elastic contact is arranged on the relay board, and the conducting strip is arranged on the bridging board.
7. The intelligent air switch with interconnection communication port bridging structure of claim 6, wherein: the relay board and the bridging board are arranged separately from the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811249072.4A CN109285735B (en) | 2018-10-25 | 2018-10-25 | Intelligent air switch with interconnection communication port bridging structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811249072.4A CN109285735B (en) | 2018-10-25 | 2018-10-25 | Intelligent air switch with interconnection communication port bridging structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109285735A CN109285735A (en) | 2019-01-29 |
| CN109285735B true CN109285735B (en) | 2023-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811249072.4A Active CN109285735B (en) | 2018-10-25 | 2018-10-25 | Intelligent air switch with interconnection communication port bridging structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN109285735B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111650407A (en) * | 2020-06-12 | 2020-09-11 | 航大电气有限公司 | Test terminal |
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| US2047816A (en) * | 1935-04-25 | 1936-07-14 | Gen Electric | Circuit breaker |
| CN1310855A (en) * | 1999-04-15 | 2001-08-29 | 默勒股份有限公司 | Low voltage switchgear with bimetallic actuator |
| CN2572544Y (en) * | 2002-08-09 | 2003-09-10 | 上海永嘉仪表厂 | Control and protection switch |
| CN101617379A (en) * | 2006-11-24 | 2009-12-30 | Abb专利有限公司 | Interrupter chamber module and switching device |
| CN105895458A (en) * | 2016-05-26 | 2016-08-24 | 许继电气股份有限公司 | DC circuit breaker and power assembly for transfer branch of DC circuit breaker |
| CN105931923A (en) * | 2016-05-26 | 2016-09-07 | 许继电气股份有限公司 | High-voltage DC circuit breaker |
| CN207199547U (en) * | 2017-05-23 | 2018-04-06 | 上海辰竹仪表有限公司 | Tripping mechanism, base and surge protector for surge protector |
| CN108428586A (en) * | 2018-03-22 | 2018-08-21 | 上海得慨电气有限公司 | A kind of circuit breaking switch structure of small size high reliability |
| CN208861902U (en) * | 2018-10-25 | 2019-05-14 | 嘉兴弘博电气有限公司 | Intelligent air switch with interconnected communication mouth bridging structure |
-
2018
- 2018-10-25 CN CN201811249072.4A patent/CN109285735B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2047816A (en) * | 1935-04-25 | 1936-07-14 | Gen Electric | Circuit breaker |
| CN1310855A (en) * | 1999-04-15 | 2001-08-29 | 默勒股份有限公司 | Low voltage switchgear with bimetallic actuator |
| CN2572544Y (en) * | 2002-08-09 | 2003-09-10 | 上海永嘉仪表厂 | Control and protection switch |
| CN101617379A (en) * | 2006-11-24 | 2009-12-30 | Abb专利有限公司 | Interrupter chamber module and switching device |
| CN105895458A (en) * | 2016-05-26 | 2016-08-24 | 许继电气股份有限公司 | DC circuit breaker and power assembly for transfer branch of DC circuit breaker |
| CN105931923A (en) * | 2016-05-26 | 2016-09-07 | 许继电气股份有限公司 | High-voltage DC circuit breaker |
| CN207199547U (en) * | 2017-05-23 | 2018-04-06 | 上海辰竹仪表有限公司 | Tripping mechanism, base and surge protector for surge protector |
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| CN109285735A (en) | 2019-01-29 |
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