CN109921292B - Closing coil base device and system of switch cabinet - Google Patents

Closing coil base device and system of switch cabinet Download PDF

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Publication number
CN109921292B
CN109921292B CN201910216916.3A CN201910216916A CN109921292B CN 109921292 B CN109921292 B CN 109921292B CN 201910216916 A CN201910216916 A CN 201910216916A CN 109921292 B CN109921292 B CN 109921292B
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China
Prior art keywords
switch cabinet
hole
closing coil
fixing
motor
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CN201910216916.3A
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Chinese (zh)
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CN109921292A (en
Inventor
陈浩瀚
包卫军
魏宝平
钟玉平
游德刚
曾晓辉
孙震方
刘军
彭友仙
纪经涛
江顺乐
吴周
黎伟智
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Guangdong Power Grid Co Ltd
Huizhou Power Supply Bureau of Guangdong Power Grid Co Ltd
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Guangdong Power Grid Co Ltd
Huizhou Power Supply Bureau of Guangdong Power Grid Co Ltd
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Priority to CN201910216916.3A priority Critical patent/CN109921292B/en
Publication of CN109921292A publication Critical patent/CN109921292A/en
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Publication of CN109921292B publication Critical patent/CN109921292B/en
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Abstract

The invention provides a switch-on coil base device and a system of a switch cabinet, which relate to the technical field of electric power systems and comprise the following components: the switch cabinet fixing part is fixedly connected with the motor fixing part; the switch cabinet fixing piece is provided with a first preset number of first fixing structures and is fixedly connected with the switch cabinet through the first fixing structures; the switch cabinet fixing piece is also provided with an iron core through hole for enabling the electric core of the closing coil to reciprocate through the iron core through hole; the diameter of the iron core through hole is larger than that of the electric core of the closing coil; the motor fixing piece is provided with a second fixing structure with a second preset number and is fixedly connected with the peripheral motor through the second fixing structure. The invention can prevent the closing coil from being shielded by the closing buckle plate and can effectively improve the replacement efficiency of the closing coil.

Description

Closing coil base device and system of switch cabinet
Technical Field
The invention relates to the technical field of power systems, in particular to a closing coil base device and a closing coil base system of a switch cabinet.
Background
The 10KV fixed switch cabinet is an electrical device used for the processes of power generation, power transmission and power conversion of a distribution box in a power system, and is an electrical device for opening, closing, controlling and protecting. Be provided with closing coil in the 10KV cubical switchboard, closing coil plays crucial effect to the circuit breaker realization combined floodgate, stipulate "closing coil is in obvious visible position in the fixed cubical switchboard technical protocol 5.4.2.11 of 10KV, should not dismantle other parts during the change", but closing coil is fixed through two bases at present, closing coil is sheltered from by other parts for need dismantle a plurality of other parts at the change closing coil in-process, and then make closing coil's replacement process comparatively complicated, change efficiency is lower.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a closing coil base device and system for a switch cabinet, which can make the position of a closing coil visible and effectively improve the replacement efficiency of the closing coil.
In a first aspect, an embodiment of the present invention provides a closing coil base device of a switch cabinet, including: the switch cabinet fixing part is fixedly connected with the motor fixing part; the switch cabinet fixing piece is provided with a first preset number of first fixing structures and is fixedly connected with the switch cabinet through the first fixing structures; the switch cabinet fixing piece is also provided with an iron core through hole for enabling the electric core of the closing coil to reciprocate through the iron core through hole; the diameter of the iron core through hole is larger than that of the electric core of the closing coil; the motor fixing piece is provided with a second fixing structure with a second preset number and is fixedly connected with the peripheral motor through the second fixing structure.
With reference to the first aspect, an embodiment of the present invention provides a second possible implementation manner of the first aspect, wherein the motor fixing member is vertically fixed to the switch cabinet fixing member.
With reference to the first aspect, an embodiment of the present invention provides a first possible implementation manner of the first aspect, wherein the motor fixing part is a right-angle fixing part.
In combination with the second possible implementation manner of the first aspect, the present invention provides a third possible implementation manner of the first aspect, wherein the right-angle fixing member includes a first right-angle surface and a second right-angle surface; the first right-angle surface is used for arranging a second fixing structure; the second right-angle surface is used for being fixedly connected with the switch cabinet fixing piece.
With reference to the third possible implementation manner of the first aspect, the present invention provides a fourth possible implementation manner of the first aspect, wherein the second right-angle surface includes an upper right-angle side and a lower right-angle side; wherein, the length of the lower right-angle side is greater than that of the upper right-angle side; the lower right-angle side is fixedly connected with the switch cabinet fixing piece.
With reference to the first aspect, an embodiment of the present invention provides a fifth possible implementation manner of the first aspect, where each of the first fixing structures is a first through hole with a first preset size; each second fixing structure is a second through hole with a second preset size.
With reference to the fifth possible implementation manner of the first aspect, an embodiment of the present invention provides a sixth possible implementation manner of the first aspect, wherein a distance between every two second through holes is a preset distance.
With reference to the first aspect, an embodiment of the present invention provides a seventh possible implementation manner of the first aspect, wherein a material of the apparatus is a metal material.
In a second aspect, an embodiment of the present invention further provides a switching coil base system of a switch cabinet, including the switching coil base device of the switch cabinet described in any one of the first to seventh possible implementation manners of the first aspect, and further including a switch cabinet and an external motor connected to the switching coil base device of the switch cabinet.
With reference to the second aspect, an embodiment of the present invention provides a first possible implementation manner of the second aspect, wherein the system further includes an iron core of the closing coil, which reciprocates through an iron core through hole of the closing coil base device.
The embodiment of the invention has the following beneficial effects:
the embodiment of the invention provides a switch-on coil base device and a system of a switch cabinet, which comprise a switch cabinet fixing piece and a motor fixing piece, wherein the switch cabinet fixing piece is fixedly connected with the motor fixing piece, is provided with a plurality of first fixing structures and is fixedly connected with the switch cabinet through the first fixing structures, and is also provided with an iron core through hole for enabling an iron core of a switch-on coil to do reciprocating motion through the iron core through hole; the motor fixing piece is provided with a plurality of second fixing structures, and the second fixing structures are fixedly connected with the external motor. According to the base device of the closing coil, the form of the base and the closing buckle plate in the prior art is not needed, the problem that the closing coil is shielded by the closing buckle plate is solved, the position of the closing coil can be obviously visible, on the other hand, the closing buckle plate does not need to be disassembled when the closing coil is replaced, only the motor fixing piece of the base device of the closing coil needs to be disassembled, the operation amount of replacing the closing coil is reduced, and the replacement efficiency of the closing coil can be effectively improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a closing coil base device of a switch cabinet according to an embodiment of the present invention;
fig. 2 is a top view of a closing coil base device of a switch cabinet according to an embodiment of the present invention;
fig. 3 is a front view of a closing coil base device of a switch cabinet according to an embodiment of the present invention;
fig. 4 is a side view of a closing coil base device of a switch cabinet according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a closing coil base system of a switch cabinet according to an embodiment of the present invention.
Icon:
10-switch cabinet fixing parts; 20-motor fixing part; 11-a first fixed structure; 12-core through holes; 21-second fixation structure.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Closing coil in the fixed cubical switchboard of present 10KV passes through two bases fixedly, and closing coil is sheltered from by the closing buckle, need dismantle the fixed stay bolt in left side and the closing buckle of two bases when changing closing coil, specific process includes at first dismantling the closing buckle, then with the jump ring that rises pincers and break off the closing buckle round pin, dismantle two left fixed stay bolts of the two bases of closing coil at last, need notice the gasket when dismantling fixed stay bolt simultaneously and do not drop and do not drag the spring on buckle right side, this not only is not conform to "closing coil is in obvious visible position, should not dismantle the regulation of other parts" during the change, closing coil's change process is comparatively complicated, change efficiency is lower.
Based on the above, compared with the prior art in which the base and the closing buckle plate are used for fixing, the closing buckle plate is not required to be installed in the switch cabinet closing coil base device and system provided by the embodiment of the invention, so that the problem that the closing coil is shielded by other parts is avoided, the position of the closing coil is obviously visible, and in addition, when the closing coil is replaced, only the motor fixing part needs to be detached, so that the replacement efficiency of the closing coil can be effectively improved.
To facilitate understanding of the embodiment, first, a detailed description is given of a closing coil base device of a switch cabinet disclosed in the embodiment of the present invention, referring to a schematic structural diagram of the closing coil base device of the switch cabinet shown in fig. 1, the device includes the following parts:
a switch cabinet fixing member 10, and a motor fixing member 20 fixedly connected with the switch cabinet fixing member 10.
In order to fix the closing coil base device provided by the embodiment of the invention on the switch cabinet, a first preset number of first fixing structures 11 are arranged on the switch cabinet fixing part 10 and are fixedly connected with the switch cabinet through the first fixing structures. The fixing structure can be a through hole, so that a bolt, a screw, a stud and other structures can pass through the through hole, and the closing coil base device is fixed on the switch cabinet. The bolt is a mechanical part and consists of a head part and a screw rod with external threads, a nut with threads is matched and used, the purpose of fastening and connecting two parts with fixing holes is achieved, and through holes which correspond to the through holes in the switch cabinet fixing part one to one are formed in the switch cabinet when the bolt is implemented specifically, so that the switch cabinet and the switch cabinet fixing part are fixed together through the bolt. The screws are divided into screws for fixing the wooden device and screw rods for fixing the metal device, and if the screw is used for fixing in this embodiment, the screws for the switch cabinet and the switch cabinet fixing member are screw rods in this embodiment. When the double-screw bolt is used, one end of the double-screw bolt is screwed into the fixing hole with the internal thread, the other end of the double-screw bolt penetrates through the fixing hole with the through hole, and then the nut is screwed on, so that the purpose of fixing the switch cabinet and the switch cabinet fixing piece is achieved.
Preferably, considering the firm connection between cubical switchboard and the cubical switchboard mounting, can set up a through-hole respectively in the four corners of cubical switchboard mounting, and first predetermined quantity is four promptly to four through-holes set up respectively in the four corners of cubical switchboard mounting, in order to realize the firm connection between cubical switchboard and the cubical switchboard are fixed.
Considering that the 'closing coil is in an obvious visible position' specified in the 10KV fixed-type switch cabinet technical protocol 5.4.2.11, the switch cabinet fixing part 10 is further provided with an iron core through hole 12 for enabling the electric core of the closing coil to do reciprocating motion through the iron core through hole, so that the coil is not shielded by other parts, and the requirement that the 'closing coil is in an obvious visible position' is met. In order to enable the iron core of the closing coil to normally pass through the iron core through hole, the diameter of the iron core through hole is larger than that of the battery cell of the closing coil. Preferably, the diameter of the iron core through hole can be tested, and the proper diameter is selected as the diameter of the iron core through hole, so that the action process of the closing coil iron core is not influenced as much as possible.
Further, in order to fix the base apparatus of the closing coil provided in the embodiment of the present invention on the motor, the motor fixing member 20 is provided with a second preset number of second fixing structures 21, and is fixedly connected to an external motor through the second fixing structures. The number of the second preset structures can be two, and the two fixing structures are respectively arranged at the upper end and the lower end of the motor fixing piece; the fixing structure can be a through hole, and the small bolt in the prior art needs a corresponding small elastic pad when being fixed, and the small elastic pads are easy to drop when being detached, so that the bolt structure of the bolt elastic pad which can not drop is selected, and the bolt structure is enabled to pass through the through hole and further fix the closing coil base device on the switch cabinet.
The embodiment of the invention provides a switch-on coil base device of a switch cabinet, which comprises a switch cabinet fixing piece and a motor fixing piece, wherein the switch cabinet fixing piece is fixedly connected with the motor fixing piece, the switch cabinet fixing piece is provided with a plurality of first fixing structures and is fixedly connected with the switch cabinet through the first fixing structures, and the switch cabinet fixing piece is also provided with an iron core through hole for enabling an iron core of a switch-on coil to do reciprocating motion through the iron core through hole; the motor fixing piece is provided with a plurality of second fixing structures, and the second fixing structures are fixedly connected with the external motor. According to the base device of the closing coil, the form of the base and the closing buckle plate in the prior art is not needed, the problem that the closing coil is shielded by the closing buckle plate is solved, the position of the closing coil can be obviously visible, on the other hand, the closing buckle plate does not need to be disassembled when the closing coil is replaced, only a motor fixing piece in the base device of the closing coil needs to be disassembled, the operation amount of replacing the closing coil is reduced, and the replacement efficiency of the closing coil can be effectively improved.
In general, the motor is horizontally disposed in the switch cabinet, so that the motor fixing member should be vertically fixed to the switch cabinet fixing member, so that the closing coil base apparatus can be attached and fixed to the motor and the switch cabinet.
Further, the first fixing structures on the switch cabinet fixing part are first through holes with a first preset size, referring to the top view of the switching-on coil base device of the switch cabinet shown in fig. 2, 4 first through holes are arranged on the switch cabinet fixing part, and the size of each first through hole corresponds to the size of a selected bolt, screw or stud, so that the purpose of fixing the switching-on coil base device on the switch cabinet is achieved through the 4 first through holes. And be provided with the iron core through-hole in the centre of cubical switchboard mounting, the diameter of iron core through-hole is greater than the iron core diameter, and further, the selection of this iron core diameter should be with the minimum standard of influence to the iron core motion.
In order to enable the closing coil base device to be stable and fixed in an attaching mode with the motor, the motor fixing piece is designed to be a right-angle fixing piece, the right angle of the motor fixing piece is attached to the right angle of the motor, the closing coil base device can be fixed on the motor conveniently after the closing coil is replaced, and therefore the efficiency of replacing the closing coil is improved. Further, in order to reduce the excessive size of the motor fixing part as much as possible, the length of the motor fixing part should be pre-selected according to the size of the motor.
It will be appreciated that a right angle fixture generally includes two faces, a first right angle face and a second right angle face. Referring to the front view of the closing coil base device of the switch cabinet shown in fig. 3, the first right-angle surface is provided with a second fixing structure, which is respectively arranged at the upper end of the first right-angle surface and the lower end of the first right-angle surface.
Wherein, every second fixed knot constructs the second through-hole that the size was predetermine to the second is predetermine the size and should be carried out reasonable setting based on the bolt model, in order can conveniently carry out the dismantlement and the tightening of bolt, thereby improve the efficiency of changing closing coil.
It can be understood, according to the length of motor mounting, rationally set up the interval between two second through-holes, the interval between every second through-hole promptly is for predetermineeing the interval, makes second through-hole position convenient to detach and screw up the bolt, also can improve the efficiency that the bolt was dismantled and was screwed up, and then improves the efficiency of changing closing coil.
In order to facilitate understanding of the motor fixing part provided in the above embodiments, the embodiment of the present invention further provides a side view of the closing coil base device of the switch cabinet, and refer to a side view of the closing coil base device of the switch cabinet illustrated in fig. 4, where the second right-angle surface of the motor fixing part is used for being fixedly connected with the switch cabinet fixing part. Wherein, the second right angle face includes right angle limit and lower right angle limit, consider that lower right angle limit is used for with cubical switchboard mounting fixed connection, in order to make firm in connection between motor mounting and the cubical switchboard mounting, difficult quilt damages, can suitably increase the length on the lower right angle limit of second right angle face, the length on the lower right angle limit of the second right angle face of the motor mounting that obtains is greater than the length on last right angle limit, it is further, the length on right angle limit and the length on lower right angle limit can design according to the size of motor on the second right angle face.
In one embodiment, the device may be made of a metal material. Preferably, the manufacturing material of the device can be the same as that of the switch cabinet, or the better manufacturing material can be selected. In order to obtain manufacturing materials with the same or better materials, quality tests can be carried out on the manufacturing materials of the base device of the closing coil, the tests comprise a full-voltage closing mechanical characteristic test, a low-voltage closing mechanical characteristic test and an 80% voltage closing mechanical characteristic test, the impact force of the iron core of the closing coil is tested through the tests, the material with the optimal iron core impact force test result is selected as the manufacturing material of the base device of the closing coil, and therefore the closing effect of the closing coil cannot be influenced by the base manufacturing materials or the influence of the base manufacturing materials on the closing effect is minimum. Specifically, when the test is carried out, the closing coil is between 80% and 105% of the rated voltage, and when the closing coil can reliably run between 80% and 105% of the rated voltage, the material at the moment is selected as the manufacturing material of the closing coil base device.
Preferably, the joint of the motor fixing part and the switch cabinet fixing part can be reinforced, so that the stability of the base device of the closing coil is further improved.
In summary, compared with the prior art in which the base and the closing pinch plate are fixed, the closing pinch plate does not need to be installed, the problem that the closing coil is blocked by other parts is avoided, the position of the closing coil is obviously visible, and in addition, only the motor fixing part needs to be disassembled when the closing coil is replaced, so that the replacement efficiency of the closing coil can be effectively improved.
An embodiment of the present invention provides a switching coil base system, and referring to a schematic structural diagram of a switching coil base system of a switch cabinet shown in fig. 5, the switching coil base system includes the switching coil base device 100 of the switch cabinet described in any one of the foregoing embodiments, and further includes a switch cabinet 200 and an external motor 300 connected to the switching coil base device 100 of the switch cabinet.
The embodiment of the invention provides a switching-on coil base system of a switch cabinet, wherein a switching-on coil base device of the switch cabinet is fixed on an external motor and the switch cabinet through a fixing structure, and the switching-on coil cannot be shielded, so that the position of the switching-on coil is obviously visible, and meanwhile, the switching-on coil base device of the switch cabinet is simple to disassemble, and the replacement efficiency of the switching-on coil can be effectively improved.
Furthermore, the system also comprises an iron core of the closing coil which moves back and forth through an iron core through hole of the closing coil base device.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working process of the system described above may refer to the corresponding process in the foregoing embodiments, and is not described herein again.
In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a closing coil base device of cubical switchboard which characterized in that includes: the switch cabinet fixing part is fixedly connected with the motor fixing part;
the switch cabinet fixing part is provided with a first preset number of first fixing structures and is fixedly connected with the switch cabinet through the first fixing structures; the first fixing structure is a first through hole, the first through hole corresponds to a third through hole arranged on the switch cabinet one by one, and the first through hole and the third through hole are used for enabling a bolt, a screw or a stud to pass through;
the switch cabinet fixing piece is also provided with an iron core through hole for enabling the electric core of the closing coil to reciprocate through the iron core through hole; the diameter of the iron core through hole is larger than that of the electric core of the closing coil;
the motor fixing piece is provided with a second fixing structure with a second preset number, and the motor fixing piece is fixedly connected with the peripheral motor through the second fixing structure.
2. The apparatus of claim 1, wherein the motor mount is vertically fixed to the switchgear mount.
3. The apparatus of claim 1, wherein the motor mount is a right angle mount.
4. The apparatus of claim 3, wherein the right angle fixture comprises a first right angle face and a second right angle face;
the first right-angle surface is used for arranging the second fixing structure;
the second right-angle surface is used for being fixedly connected with the switch cabinet fixing piece.
5. The apparatus of claim 4, wherein the second cathetus comprises an upper cathetus and a lower cathetus; the length of the lower right-angle side is greater than that of the upper right-angle side;
the lower right-angle side is fixedly connected with the switch cabinet fixing piece.
6. The device of claim 1, wherein each of the first fastening structures is a first through hole of a first predetermined size; each second fixing structure is a second through hole with a second preset size.
7. The apparatus of claim 6, wherein the spacing between each of the second through holes is a predetermined spacing.
8. The device of claim 1, wherein the device is made of a metallic material.
9. A switching coil base system of a switchgear, characterized in that it comprises a switching coil base device of a switchgear according to any of claims 1-8, a switchgear and an external motor connected to the switching coil base device of the switchgear.
10. The system of claim 9, further comprising a closing coil core reciprocating through a core through hole of the closing coil base means.
CN201910216916.3A 2019-03-20 2019-03-20 Closing coil base device and system of switch cabinet Active CN109921292B (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102543501A (en) * 2011-12-02 2012-07-04 万控集团有限公司 Circuit-breaker spring actuating mechanism
CN106098488A (en) * 2015-04-30 2016-11-09 现代重工业株式会社 Chopper

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0877860A (en) * 1994-09-02 1996-03-22 Toshiba Corp Motor-driven spring operating mechanism for switching apparatus and manufacture of coil spring
KR100711915B1 (en) * 2002-01-07 2007-04-27 현대중공업 주식회사 Motor Spring for Circurt Breaker of 145kV GIS
CN201298495Y (en) * 2008-11-26 2009-08-26 常州万德福兰陵电器有限公司 Vacuum circuit breaker capable of removing switching electromagnet conveniently
CN203733709U (en) * 2014-03-12 2014-07-23 西一电气有限公司 Installation structure for closing electromagnet of vacuum circuit breaker
CN204966376U (en) * 2015-09-07 2016-01-13 陕西宝鼎开关有限公司 Spring mechanism and vacuum circuit breaker thereof
CN208352238U (en) * 2018-07-06 2019-01-08 陕西龙翔电器有限公司 For the high life divide-shut brake coil in modular mechanism breaker
CN209056770U (en) * 2018-08-22 2019-07-02 广东电网有限责任公司 Fixed switching cabinet

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102543501A (en) * 2011-12-02 2012-07-04 万控集团有限公司 Circuit-breaker spring actuating mechanism
CN106098488A (en) * 2015-04-30 2016-11-09 现代重工业株式会社 Chopper

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