CN114171356A - Double-tripping mechanism applied to circuit breaker - Google Patents
Double-tripping mechanism applied to circuit breaker Download PDFInfo
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- CN114171356A CN114171356A CN202111446373.8A CN202111446373A CN114171356A CN 114171356 A CN114171356 A CN 114171356A CN 202111446373 A CN202111446373 A CN 202111446373A CN 114171356 A CN114171356 A CN 114171356A
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- 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
- H01H71/10—Operating or release mechanisms
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Abstract
The invention discloses a double-tripping mechanism applied to a circuit breaker, which comprises: a fixing member; the moving contact module is movably arranged right above the fixed part; the static contact module is fixedly arranged on the surface of the fixed part; the first tripping module is fixedly arranged on the fixed piece and is connected with the moving contact module in a buckling manner; the second tripping module is fixedly arranged on the fixed piece and is connected with the moving contact module in a buckling manner; and the controller is electrically connected or wirelessly connected with the first tripping module and the second tripping module respectively. According to the invention, the circuit is controlled to be disconnected by adopting a double-tripping structure, so that the circuit breaker is safe and efficient, can prevent accidents from occurring, effectively protects the circuit of a user, and is compact in structure and reasonable in layout, so that the whole occupied space of the circuit breaker structure is small, and the requirement of miniaturization of the circuit breaker is met.
Description
Technical Field
The invention relates to the technical field of circuit breakers. More particularly, the present invention relates to a dual trip mechanism for a circuit breaker.
Background
In the field of circuit breakers, it is known to use circuit breakers of different construction to achieve an efficient protection of an electric circuit. In the process of researching and realizing the high-efficiency protection of the circuit, the inventor finds that the circuit breaker in the prior art has at least the following problems:
the existing circuit breaker adopts a single-trip structure, so that certain potential safety hazards are generated in the using process, and meanwhile, the existing circuit breaker is unreasonable in structural layout, so that the occupied space is large, and the requirements of users are not met.
In view of the above, it is necessary to develop a dual trip mechanism for a circuit breaker to solve the above problems.
Disclosure of Invention
Aiming at the defects in the prior art, the invention mainly aims to provide a double-tripping mechanism applied to a circuit breaker, wherein a first tripping module and a second tripping module are utilized to control two moving contacts to be respectively in contact connection with or separated from a first static contact and a second static contact, and the circuit is controlled to be disconnected by adopting the double-tripping structure, so that the double-tripping mechanism is safe and efficient, can prevent accidents from occurring, effectively protects the circuit of a user, and meanwhile, has a compact structure and reasonable layout, so that the whole occupied space of the circuit breaker structure is small, and the requirement of miniaturization of the circuit breaker is met.
To achieve these objects and other advantages and in accordance with the purpose of the invention, there is provided a dual trip mechanism applied to a circuit breaker, including: a fixing member;
the moving contact module is movably arranged right above the fixed part;
the static contact module is fixedly arranged on the surface of the fixed part;
the first tripping module is fixedly arranged on the fixed piece and is connected with the moving contact module in a buckling manner;
the second tripping module is fixedly arranged on the fixed piece and is connected with the moving contact module in a buckling manner; and
the controller is electrically connected or wirelessly connected with the first tripping module and the second tripping module respectively;
wherein, the static contact module includes: the first fixed contact and the second fixed contact are both arranged on the fixing part;
the moving contact module comprises: a rotating member rotatably disposed right above the fixed member;
at least two moving contacts, wherein the two moving contacts are respectively and detachably and symmetrically arranged at two side ends of the rotating member, and are respectively positioned right above the first fixed contact and the second fixed contact; and
the first locking piece is fixedly connected with the rotating piece and is respectively connected with the first tripping module and the second tripping module in a buckling manner;
the controller sends a control instruction to the first tripping module and the second tripping module to control the first tripping module to drive the first locking piece to reciprocate along the vertical direction, control the second tripping module to be connected or separated with the first locking piece in a buckling manner, and finally control the two moving contacts to be respectively connected or separated with the first fixed contact and the second fixed contact in a contact manner.
Preferably, a buffer spring is arranged between the rotating part and the fixed part.
Preferably, the rotating member includes: a rotating part; and
the connecting part is integrally formed with the rotating part and extends from the middle area of the rotating part to the direction far away from the rotating part;
the two sides of the rotating part are both provided with a fixed clamping groove, and the two moving contacts are respectively detachably mounted in the corresponding fixed clamping grooves;
the first locking piece is detachably connected with the connecting part.
Preferably, the first fixed contact is provided with a first contact portion; the second fixed contact is provided with a second contact part; each moving contact is provided with a third contact part, the cross section of each third contact part is arc-shaped, and each third contact part is respectively positioned right above the first contact part and the second contact part.
Preferably, the first trip module includes: a first trip driver;
the first transmission piece is in transmission connection with the power output end of the first tripping driver;
the second transmission piece is arranged along the vertical direction and is in transmission connection with the first transmission piece; and
the second locking piece is hinged with the second transmission piece and is connected with the first locking piece in a buckling manner;
the first tripping driver is electrically or wirelessly connected with the controller, and the controller sends a control instruction to the first tripping driver to control the first tripping driver to drive the second locking piece to reciprocate along the vertical direction, so that the first locking piece is controlled to reciprocate along the vertical direction.
Preferably, a first buckling part and a second buckling part are respectively arranged on the opposite surfaces between the first locking part and the second locking part, and the first buckling part is matched with the second buckling part.
Preferably, the first trip module further includes: the sensing block is arranged beside the second transmission part pair, at least two position sensors are arranged on the surface of the sensing block, and the two position sensors are respectively arranged at the upper end and the lower end of the sensing block;
an induction part is arranged at the side end of the second transmission piece;
and the contact states of the two moving contacts and the first fixed contact and the second fixed contact are monitored in real time through the matching between the induction part and the two position sensors.
Preferably, the second trip module includes: the second tripping driver is fixedly arranged in the fixed part through a fixed seat; and
the third locking fastener is in transmission connection with the power output end of the second tripping driver;
the second tripping driver is electrically or wirelessly connected with the controller, and the controller sends a control instruction to the second tripping driver to control the second tripping driver to drive the third locking piece to reciprocate along the horizontal direction, so as to control the third locking piece to be in buckled connection or separation with or from the first locking piece.
Preferably, a third buckling part and a fourth buckling part are respectively arranged on the opposite surfaces between the first locking part and the third locking part, and the third buckling part is matched with the fourth buckling part.
One of the above technical solutions has the following advantages or beneficial effects: the circuit breaker utilizes the first tripping module and the second tripping module to control the two moving contacts to be in contact connection with or separated from the first static contact and the second static contact respectively, adopts a double-tripping structure to control circuit disconnection, is safe and efficient, can prevent accidents, effectively protects circuits of users, and has compact structure and reasonable layout, so that the whole occupied space of the circuit breaker structure is small, and the requirement of circuit breaker miniaturization is met.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below, and it is apparent that the drawings in the following description relate only to some embodiments of the present invention and are not limiting thereof, wherein:
fig. 1 is a three-dimensional structural view of a double trip mechanism applied to a circuit breaker according to an embodiment of the present invention;
fig. 2 is an exploded view of a dual trip mechanism applied to a circuit breaker according to an embodiment of the present invention;
fig. 3 is a three-dimensional structural view of a movable contact module and a first trip module in a dual-trip mechanism applied to a circuit breaker according to an embodiment of the present invention;
fig. 4 is a three-dimensional structural view of a movable contact module and a second trip module in a dual-trip mechanism applied to a circuit breaker according to an embodiment of the present invention;
fig. 5 is an exploded view of a movable contact module in a dual trip mechanism applied to a circuit breaker according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and claims of the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a," "an," or "the" and similar referents do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, etc., are defined with respect to the configurations shown in the respective drawings, and in particular, "height" corresponds to a dimension from top to bottom, "width" corresponds to a dimension from left to right, "depth" corresponds to a dimension from front to rear, which are relative concepts, and thus may be varied accordingly depending on the position in which it is used, and thus these or other orientations should not be construed as limiting terms.
Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments, unless expressly described otherwise.
According to an embodiment of the present invention, referring to fig. 1, it can be seen that a dual trip mechanism applied to a circuit breaker includes: a fixing member 121;
a movable contact module 122 movably disposed right above the fixed member 121;
the fixed contact module 123 is fixedly mounted on the surface of the fixing member 121;
the first tripping module 124 is fixedly installed on the fixing member 121, and the first tripping module 124 is connected with the movable contact module 122 in a buckling manner;
the second trip module 125 is fixedly installed on the fixing element 121, and the second trip module 125 is connected with the movable contact module 122 in a snap-in manner; and
a controller electrically or wirelessly connected to the first and second trip modules 124 and 125, respectively;
wherein, static contact module 123 includes: a first fixed contact 1231 and a second fixed contact 1232, where the first fixed contact 1231 and the second fixed contact 1332 are both installed on the fixing member 121;
the movable contact module 122 includes: a rotating member 1221 rotatably disposed right above the fixed member 121;
at least two moving contacts 1222, wherein the two moving contacts 1222 are detachably and symmetrically mounted on two side ends of the rotating member 1221, and the two moving contacts 1222 are located right above the first fixed contact 1231 and the second fixed contact 1232, respectively; and
a first locking member 1223 fixedly connected to the rotating member 1221, wherein the first locking member 1223 is respectively connected to the first tripping module 124 and the second tripping module 125 in a snap-fit manner;
the controller sends a control command to the first tripping module 124 and the second tripping module 125 to control the first tripping module 124 to drive the first locking member 1223 to reciprocate along the vertical direction, control the second tripping module 125 to be connected or separated with or from the first locking member 1223 in a snap-in manner, and finally control the two moving contacts 1222 to be connected or separated with or from the first fixed contact 1231 and the second fixed contact 1332 in a contact manner.
It can be understood that, in the present invention, the first tripping module 124 and the second tripping module 125 are used to control the two moving contacts 1222 to be respectively in contact with or separated from the first fixed contact 1231 and the second fixed contact 1332, and the circuit is controlled to be disconnected by using a double-tripping structure, which is safe and efficient, can prevent accidents, effectively protect the circuit of a user, and has a compact structure and a reasonable layout, so that the whole circuit breaker structure occupies a small space, and meets the requirement of circuit breaker miniaturization.
Further, a buffer spring (not shown) is disposed between the rotating member 1221 and the fixing member 121.
It can be understood that, when the first trip module 124 drives the first locking element 1233 to move downward along the vertical direction, the buffer spring is pressed to generate an elastic force, and at this time, the second trip module 125 is connected with the first locking element 1223 in a snap-in manner, and the two moving contacts 1222 are respectively connected with the first fixed contact 1231 and the second fixed contact 1332 in a contact manner;
when the circuit is short-circuited, the second trip module 125 is separated from the first latch 1223, the first trip module 124 moves up and down along the vertical direction, and the first latch 1233 rotates upward under the action of the elastic force of the buffer spring to drive the two moving contacts 1222 to be separated from the first fixed contact 1231 and the second fixed contact 1332, respectively.
Further, the rotating member 1221 includes: a rotating portion 12211; and
a connecting portion 12212 integrally formed with the rotating portion 12211, wherein the connecting portion 12212 extends from a middle region of the rotating portion 12211 in a direction away from the rotating portion 12211;
the two side ends of the rotating part 12211 are both provided with a fixed slot 12213, and the two moving contacts 1222 are detachably mounted in the corresponding fixed slot 12213 respectively; the first locking member 1223 is detachably connected to the connection portion 12212.
Further, the first stationary contact 1231 is provided with a first contact portion 12311; the second stationary contact 1232 is provided with a second contact portion 12321; each of the movable contacts 1222 is provided with a third contact portion 12221, a cross section of the third contact portion 12221 is arc-shaped, and each of the third contact portions 12221 is located directly above the first contact portion 12311 and the second contact portion 12321, respectively.
Further, the first trip module 124 includes: a first trip driver 1241;
a first transmission member 1242, which is in transmission connection with the power output end of the first trip driver 1241;
a second transmission member 1243, which is arranged along the vertical direction and is in transmission connection with the first transmission member 1242; and
a second locking component 1244, which is hinged to the second transmission component 1243, and the second locking component 1244 is connected to the first locking component 1223 in a snap-fit manner;
the first trip driver 1241 is electrically or wirelessly connected to the controller, and the controller sends a control command to the first trip driver 1241 to control the first trip driver 1241 to drive the second locking element 1244 to reciprocate in the vertical direction, so as to control the first locking element 1244 to reciprocate in the vertical direction.
In a preferred embodiment of the present invention, the first transmission member 1242 and the second transmission member 1243 are connected by a gear transmission.
The bottom area of the fixing member 121 is provided with a first fixing cavity 1211, and the first trip driver 1241 is arranged in the first fixing cavity 1211 to save the occupied space, so that the whole structure is compact.
A return spring (not shown) is disposed between the second locking member 1244 and the second transmission member 1243.
The second locking part 1244 is hinged to the second transmission part 1243, so that the second locking part 1244 can rotate around the second transmission part 1243, and the second locking part 1244 and the first locking part 1223 can be assembled to be connected in a snap-fit manner, and meanwhile, a return spring is arranged between the second locking part 1244 and the second transmission part 1243, so that the second locking part 1244 can be reset after being assembled.
Further, a first buckling part 12231 and a second buckling part 12441 are respectively disposed on the facing surfaces between the first locking part 1223 and the second locking part 1244, and the first buckling part 12231 is matched with the second buckling part 12441.
It can be understood that, by the cooperation of the first fastening portion 12231 and the second fastening portion 12441, the first locking member 1223 is fastened to the second locking member 1244, so that the first trip driver 1241 drives the first locking member 1223 to move in the vertical direction, and finally the first trip driver 1241 drives the two movable contacts 1222 to move in the vertical direction.
Further, the first trip module 124 further includes: the sensing block 1245 is arranged beside the pair of second transmission members 1243, the surface of the sensing block 1245 is provided with at least two position sensors 12451, and the two position sensors 12451 are respectively arranged at the upper end and the lower end of the sensing block 1245;
a sensing part 12431 is arranged at the side end of the second transmission piece 1243;
the contact states of the two moving contacts 1222 and the first fixed contact 1231 and the second fixed contact 1232 are monitored in real time through the cooperation between the sensing portion 12431 and the two position sensors 12451.
In a preferred embodiment of the present invention, the position sensor 12451 is electrically or wirelessly connected to the controller.
It can be understood that when the sensing portion 12431 is in contact connection with the position sensor 12451 located at the upper end, the two moving contacts 1222 are separated from the first stationary contact 1231 and the second stationary contact 1332, respectively;
when the sensing portion 12431 is in contact connection with the position sensor 12451 at the bottom end, the two moving contacts 1222 are in contact connection with the first fixed contact 1231 and the second fixed contact 1332, respectively.
Further, the second trip module 125 includes: a second trip driver 1251 fixedly mounted inside the fixing member 121 through a fixing seat 1253; and
a third locking element 1252, which is in transmission connection with the power output end of the second trip driver 1251;
the second trip driver 1251 is electrically or wirelessly connected to the controller, and the controller sends a control command to the second trip driver 1251 to control the second trip driver 1251 to drive the third locking element 1252 to reciprocate in the horizontal direction, so as to control the third locking element 1252 to be connected to or separated from the first locking element 1252 in a snap-in manner.
In a preferred embodiment of the present invention, a second fixing cavity 1212 is disposed at a top region of the fixing member 121, and the second trip driver 1251 is fixedly installed in the second fixing cavity 1212, so as to save a floor space and make the overall structure compact.
The bottom region of the fixing member 121 is provided with a first hinge portion 1213, and the third locking member 1252 is provided with a rotation connecting portion 12522, and the rotation connecting portion 12522 is rotatably connected to the first hinge portion 1213.
When the second release driver 1251 drives the third locking component 1252 to rotate away from the fixed component 121, the third locking component 1252 is connected with the first locking component 1252 in a snap-fit manner;
when the second trip driver 1251 drives the third latch 1252 to rotate in a direction approaching the fixing member 121, the third latch 1252 is separated from the first latch 1252.
Further, a third fastening portion 12232 and a fourth fastening portion 12521 are respectively disposed on the facing surfaces of the first fastening member 1223 and the third fastening member 1252, and the third fastening portion 12232 is adapted to the fourth fastening portion 12521.
It can be understood that the first locking member 1223 and the third locking member 1252 are snap-fit by the cooperation of the third snapping portion 12232 and the fourth snapping portion 12521.
The number of apparatuses and the scale of the process described herein are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be apparent to those skilled in the art.
While embodiments of the invention have been disclosed above, it is not intended to be limited to the uses set forth in the specification and examples. It can be applied to all kinds of fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. It is therefore intended that the invention not be limited to the exact details and illustrations described and illustrated herein, but fall within the scope of the appended claims and equivalents thereof.
Claims (9)
1. A double-trip mechanism applied to a circuit breaker, comprising:
a fixing member (121);
the moving contact module (122) is movably arranged right above the fixed part (121);
the static contact module (123) is fixedly arranged on the surface of the fixing piece (121);
the first tripping module (124) is fixedly arranged on the fixed part (121), and the first tripping module (124) is connected with the movable contact module (122) in a buckling manner;
the second tripping module (125) is fixedly arranged on the fixed part (121), and the second tripping module (125) is connected with the moving contact module (122) in a buckling manner; and
the controller is electrically connected or wirelessly connected with the first tripping module (124) and the second tripping module (125) respectively;
wherein, static contact module (123) includes: a first fixed contact (1231) and a second fixed contact (1232), wherein the first fixed contact (1231) and the second fixed contact (1332) are both mounted on the fixing member (121);
the moving contact module (122) comprises: a rotating member (1221) rotatably disposed directly above the fixed member (121);
at least two moving contacts (1222), wherein the two moving contacts (1222) are detachably and symmetrically mounted at two side ends of the rotating member (1221), and the two moving contacts (1222) are respectively located right above the first fixed contact (1231) and the second fixed contact (1232); and
the first locking piece (1223) is fixedly connected with the rotating piece (1221), and the first locking piece (1223) is respectively connected with the first tripping module (124) and the second tripping module (125) in a buckling manner;
the controller sends a control instruction to the first tripping module (124) and the second tripping module (125) to control the first tripping module (124) to drive the first locking piece (1223) to reciprocate along the vertical direction, control the second tripping module (125) to be connected with or separated from the first locking piece (1223) in a buckling manner, and finally control the two movable contacts (1222) to be respectively connected with or separated from the first fixed contact (1231) and the second fixed contact (1332) in a contact manner.
2. The dual trip mechanism applied to a circuit breaker according to claim 1, wherein a buffer spring is provided between the rotating member (1221) and the fixed member (121).
3. The dual trip mechanism applied to a circuit breaker according to claim 1, wherein the rotary member (1221) comprises: a rotating section (12211); and
a connecting portion (12212) that is integrally formed with the rotating portion (12211), and the connecting portion (12212) extends from a middle region of the rotating portion (12211) in a direction away from the rotating portion (12211);
the two side ends of the rotating part (12211) are respectively provided with a fixed clamping groove (12213), and the two moving contacts (1222) are respectively detachably mounted in the corresponding fixed clamping groove (12213);
the first locking piece (1223) is detachably connected with the connecting part (12212).
4. The double trip mechanism applied to a circuit breaker according to claim 1, characterized in that said first stationary contact (1231) is provided with a first contact portion (12311); the second stationary contact (1232) is provided with a second contact portion (12321); each movable contact (1222) is provided with a third contact part (12221), the cross section of the third contact part (12221) is arc-shaped, and each third contact part (12221) is respectively positioned right above the first contact part (12311) and the second contact part (12321).
5. The dual trip mechanism applied to a circuit breaker according to claim 1, wherein said first trip module (124) comprises: a first trip driver (1241);
the first transmission piece (1242) is in transmission connection with the power output end of the first tripping driver (1241);
a second transmission member (1243) which is arranged along the vertical direction and is in transmission connection with the first transmission member (1242); and
the second locking piece (1244) is hinged with the second transmission piece (1243), and the second locking piece (1244) is connected with the first locking piece (1223) in a buckling manner;
the first tripping driver (1241) is electrically or wirelessly connected with the controller, and the controller sends a control instruction to the first tripping driver (1241) to control the first tripping driver (1241) to drive the second locking piece (1244) to reciprocate along the vertical direction, so as to control the first locking piece (1244) to reciprocate along the vertical direction.
6. The dual trip mechanism applied to a circuit breaker according to claim 5, wherein a first buckling portion (12231) and a second buckling portion (12441) are respectively disposed on the facing surfaces of the first locking member (1223) and the second locking member (1244), and the first buckling portion (12231) is matched with the second buckling portion (12441).
7. The dual trip mechanism applied to a circuit breaker according to claim 5 wherein said first trip module (124) further comprises: the induction block (1245) is arranged beside the second transmission piece (1243), at least two position sensors (12451) are arranged on the surface of the induction block (1245), and the two position sensors (12451) are respectively arranged at the upper end and the lower end of the induction block (1245);
a sensing part (12431) is arranged at the side end of the second transmission piece (1243);
the contact states of the two moving contacts (1222) and the first fixed contact (1231) and the second fixed contact (1232) are monitored in real time through the cooperation between the sensing part (12431) and the two position sensors (12451).
8. The dual trip mechanism applied to a circuit breaker according to claim 1, wherein said second trip module (125) comprises: a second trip driver (1251) fixedly installed inside the fixing member (121) through a fixing seat (1253); and
a third locking piece (1252) which is in transmission connection with the power output end of the second tripping driver (1251);
the second trip driver (1251) is electrically or wirelessly connected with the controller, and the controller sends a control command to the second trip driver (1251) to control the second trip driver (1251) to drive the third latch member (1252) to reciprocate in the horizontal direction, so as to control the third latch member (1252) to be connected with or separated from the first latch member (1252) in a snap-in manner.
9. The dual trip mechanism applied to a circuit breaker according to claim 8, wherein a third fastening portion (12232) and a fourth fastening portion (12521) are respectively disposed on the facing surfaces of the first fastening member (1223) and the third fastening member (1252), and the third fastening portion (12232) is adapted to the fourth fastening portion (12521).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111446373.8A CN114171356B (en) | 2021-11-30 | 2021-11-30 | Double-tripping mechanism applied to circuit breaker |
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| CN202111446373.8A CN114171356B (en) | 2021-11-30 | 2021-11-30 | Double-tripping mechanism applied to circuit breaker |
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| CN114171356B CN114171356B (en) | 2023-07-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116092889A (en) * | 2022-12-29 | 2023-05-09 | 国网安徽省电力有限公司阜阳供电公司 | Remote control tripping device of high-voltage circuit breaker |
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| KR20070103289A (en) * | 2006-04-18 | 2007-10-23 | 후지 덴키 기기세이교 가부시끼가이샤 | Circuit breaker |
| KR20110039891A (en) * | 2009-10-12 | 2011-04-20 | 엘에스산전 주식회사 | Switching mechanism for small mold cased circuit breaker |
| CN201655700U (en) * | 2009-12-09 | 2010-11-24 | 上海诺雅克电气有限公司 | Operating mechanism of miniature circuit breaker capable of realizing multi-control input and multi output |
| WO2016008298A1 (en) * | 2014-07-17 | 2016-01-21 | 正泰集团股份有限公司 | Operation device of multi-pole miniature circuit breaker |
| WO2016145704A1 (en) * | 2015-03-16 | 2016-09-22 | 温州高能电气有限公司 | Miniature circuit breaker |
| CN110970274A (en) * | 2019-12-23 | 2020-04-07 | 国网江苏省电力有限公司滨海县供电分公司 | Small-sized circuit breaker |
| CN212907587U (en) * | 2020-06-29 | 2021-04-06 | 深圳微羽智能科技有限公司 | Novel circuit breaker |
| CN212907469U (en) * | 2020-09-15 | 2021-04-06 | 浙江新风电器有限公司 | Locking type withdrawable circuit-breaker base |
| CN213184171U (en) * | 2020-11-11 | 2021-05-11 | 温州凯信电气有限公司 | Hydraulic electromagnetic circuit breaker with double arc extinguish chambers |
| CN113161211A (en) * | 2021-04-30 | 2021-07-23 | 科都电气股份有限公司 | Circuit breaker device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116092889A (en) * | 2022-12-29 | 2023-05-09 | 国网安徽省电力有限公司阜阳供电公司 | Remote control tripping device of high-voltage circuit breaker |
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| CN114171356B (en) | 2023-07-21 |
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