CN117373863B - Circuit breaker switch - Google Patents
Circuit breaker switch Download PDFInfo
- Publication number
- CN117373863B CN117373863B CN202311644064.0A CN202311644064A CN117373863B CN 117373863 B CN117373863 B CN 117373863B CN 202311644064 A CN202311644064 A CN 202311644064A CN 117373863 B CN117373863 B CN 117373863B
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- switch
- contact
- assembly
- connecting piece
- transmission
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- 230000005540 biological transmission Effects 0.000 claims description 57
- 238000009434 installation Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 230000009471 action Effects 0.000 description 7
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
Abstract
The invention provides a breaker switch, which relates to the field of breakers and comprises a vacuum arc extinguishing chamber, a first switch and a second switch; the vacuum arc-extinguishing chamber comprises a first contact assembly, a second contact assembly and a linkage assembly, wherein the first switch is connected with the first contact assembly, and the second switch is connected with the second contact assembly; the first contact assembly comprises a first moving contact and a first fixed contact which are oppositely arranged, and the second contact assembly comprises a second moving contact and a second fixed contact which are oppositely arranged; the linkage assembly is connected with the first moving contact and the second moving contact; the first switch is used for enabling the first moving contact to move relatively or deviate from the first fixed contact, the second switch is used for enabling the second moving contact to move relatively or deviate from the second fixed contact, and the linkage assembly is used for enabling the moving direction of the first moving contact to be opposite to the moving direction of the second moving contact. The on-off process of the circuit breaker controlled by the invention is stable and sensitive.
Description
Technical Field
The invention relates to the field of circuit breakers, in particular to a circuit breaker switch.
Background
A circuit breaker is a switching device capable of closing, carrying and breaking a current under normal circuit conditions and capable of closing, carrying and breaking a current under abnormal circuit conditions for a prescribed time. In some working environments, when one working circuit is broken, the other circuit needs to be started to work, and two circuit breakers are arranged to be alternately on and off, so that normal work of the working circuit is realized.
In the prior art, as the double circuit breaker structure of a linkage that chinese patent CN216250462U discloses, including the mount, the mount on fixed mounting have two circuit breakers, two circuit breakers set up side by side, be equipped with the operating handle of control circuit breaker break-make on the leading flank of circuit breaker, operating handle can swing in upper and lower direction, still include the mounting bracket, the mounting bracket is fixed to be set up between two circuit breakers, be equipped with the wane on the mounting bracket, the upper end and the mounting bracket of wane are articulated to be connected, the operating handle setting of two circuit breakers is corresponding respectively to the left and right sides both ends of the lower extreme of wane, when operating handle of circuit breaker upwards swings, operating handle can bump with the wane and drive the wane and take place to rotate.
The linkage double-circuit breaker structure adopts two independent circuit breakers when realizing the on-off of two circuits, the structural connectivity of the two circuit breakers is not strong, and when the operating handle is stirred to conduct the on-off of the circuit breakers, the switch of the circuit breakers is not uniform in thrust when the operating handle is stirred, so that the on-off of the circuit breakers is unstable and insensitive.
Disclosure of Invention
Based on the problems, the invention provides a breaker switch, which aims to solve the problems of unstable and insensitive switching on and off of a breaker when two circuits are switched on and off, and the specific technical scheme is as follows:
a breaker switch comprises a vacuum arc-extinguishing chamber, a first switch and a second switch;
the vacuum arc-extinguishing chamber comprises a first contact assembly, a second contact assembly and a linkage assembly, wherein the first switch is connected with the first contact assembly, and the second switch is connected with the second contact assembly;
the first contact assembly comprises a first moving contact and a first fixed contact which are oppositely arranged, and the second contact assembly comprises a second moving contact and a second fixed contact which are oppositely arranged;
the linkage assembly is connected with the first moving contact and the second moving contact;
the first switch is used for enabling the first moving contact to move relatively to or away from the first fixed contact, the second switch is used for enabling the second moving contact to move relatively to or away from the second fixed contact, and the linkage assembly is used for enabling the moving direction of the first moving contact to be opposite to the moving direction of the second moving contact;
the linkage assembly comprises a first connecting piece, a second connecting piece, a transmission assembly and two mounting seats;
the two mounting seats are arranged side by side, and the transmission assembly is positioned between the two mounting seats;
one ends of the first connecting piece and the second connecting piece are respectively fixed on the two mounting seats, and the other ends of the first connecting piece and the second connecting piece are respectively connected with the transmission assembly to connect the first moving contact and the second moving contact and are respectively mounted on the two mounting seats;
the transmission assembly comprises a transmission piece and a transmission driving piece;
the first connecting piece and the second connecting piece are respectively arranged on the transmission piece, and the connection position of the first connecting piece and the transmission piece and the connection position of the second connecting piece and the transmission piece are in the same straight line;
the transmission piece is sleeved on the conveying shaft of the transmission driving piece, the transmission driving piece drives the transmission piece to rotate, and the transmission piece rotates to drive the first connecting piece and the second connecting piece to move relatively or away from each other in the vertical direction;
the transmission piece comprises a first guide groove and a second guide groove, and the first guide groove and the second guide groove are arc-shaped grooves;
the two arc-shaped grooves are oppositely arranged, and the end parts of the two arc-shaped grooves are staggered;
the first connecting piece is provided with a first guide rod, and the first guide rod is arranged in the first guide groove;
the second connecting piece is provided with a second guide rod, and the second guide rod is installed in the second guide groove.
The first contact component and the second contact component of the circuit breaker switch are arranged in the vacuum arc extinguishing chamber, and the first moving contact and the second moving contact are connected through the linkage component, so that the moving directions of the first moving contact and the second moving contact are opposite when the circuit breaker switch is used, the first contact component and the second contact component are alternately switched on and off, and the switching-on and switching-off process of the circuit breaker controlled by the circuit breaker switch is stable and sensitive.
Further, the first connecting piece comprises a first installation part and a first connecting part which are connected with each other, and a yielding space is arranged between the first installation part and the first connecting part;
the second connecting piece includes interconnect's second installation department and second connecting portion, the second installation department with contained angle between the second connecting portion is greater than 90, just the extending direction orientation of second connecting portion the direction that first connecting piece is located, the second connecting portion remove in the space of stepping down.
Further, the linkage assembly also comprises a guide assembly, wherein the guide assembly comprises a moving block and a guide rail, and the moving block is movably arranged on the guide rail;
the movable block is fixed on the mounting seat, and the guide rail is fixed on the vacuum arc-extinguishing chamber.
Further, the mount pad includes perpendicular first mounting panel and the second mounting panel of connecting, the movable block is fixed in first mounting panel, the second mounting panel is equipped with the installation through groove, the installation through groove is used for fixing first moving contact or second moving contact.
Further, an adjusting connecting rod is arranged between the first switch and the second switch, and the first switch and the second switch both comprise a rotating shaft and a switch assembly;
the two ends of the adjusting connecting rod are respectively sleeved on the rotating shaft of the first switch and the rotating shaft of the second switch;
the switch assembly comprises a cam, a movable rod and a reset spring, wherein the cam is sleeved on the rotating shaft, and the reset spring is sleeved on the movable rod;
one end of the movable rod is propped against the cam, and the other end of the movable rod is propped against the vacuum arc-extinguishing chamber.
Further, a movable groove is arranged between the cam of the first switch and the first movable contact, and the movable rod comprises a limiting block and a guide post which are connected with each other;
the limiting block is propped against the arc-shaped surface of the cam, and the guide post stretches into the movable groove, so that the end part of the guide post is propped against the first movable contact;
the reset spring is sleeved on the guide post and is positioned between the limiting block and the top of the movable groove.
Drawings
The invention will be further understood from the following description taken in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.
Fig. 1 is a schematic structural view of a circuit breaker switch according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a linkage assembly of a circuit breaker switch according to an embodiment of the invention;
fig. 3 is a schematic structural view of a first connector and a second connector of a circuit breaker switch according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a transmission member of a circuit breaker switch according to an embodiment of the present invention.
Reference numerals illustrate:
1-a vacuum arc-extinguishing chamber,
11-first contact assembly, 111-first moving contact, 112-first static contact,
12-a second contact assembly, 121-a second moving contact, 122-a second fixed contact,
13-linkage assembly, 131-first connector, 1311-first guide bar, 1312-first mount, 1313-first connector, 1314-limit stop, 1315-yield, 132-second connector, 1321-second guide bar, 1322-second mount, 1323-second connector, 133-mount, 1331-first mount plate, 1332-second mount plate, 134-transmission assembly, 1341-transmission, 1341 a-first guide slot, 1341 b-second guide slot, 1342-transmission drive, 135-guide assembly, 1351-moving block, 1352-guide rail;
the device comprises a first switch 2-a first switch 21-an adjusting connecting rod, a rotating shaft 22-a rotating shaft 23-a switch component 231-a cam 232-a movable rod 2321-a limiting block 2322-a guide post 233-a reset spring and a movable groove 234-a first switch;
3-a second switch.
Detailed Description
The present invention will be described in further detail with reference to the following examples thereof in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the detailed description and specific examples are intended for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The terms "first" and "second" in this specification do not denote a particular quantity or order, but rather are used to distinguish one element from another.
As shown in fig. 1 to 4, a circuit breaker switch according to an embodiment of the present invention includes a vacuum interrupter 1, a first switch 2, and a second switch 3; the vacuum arc-extinguishing chamber 1 comprises a first contact assembly 11, a second contact assembly 12 and a linkage assembly 13, wherein the first switch 2 is connected with the first contact assembly 11, and the second switch 3 is connected with the second contact assembly 12; the first contact assembly 11 comprises a first moving contact 111 and a first fixed contact 112 which are oppositely arranged, and the second contact assembly 12 comprises a second moving contact 121 and a second fixed contact 122 which are oppositely arranged; the linkage assembly 13 connects the first moving contact 111 and the second moving contact 121; the first switch 2 is used for enabling the first moving contact 111 to move relatively to or away from the first fixed contact 112, the second switch 3 is used for enabling the second moving contact 121 to move relatively to or away from the second fixed contact 122, and the linkage assembly 13 is used for enabling the moving direction of the first moving contact 111 to be opposite to the moving direction of the second moving contact 121.
The circuit breaker switch of the invention can be applied to a circuit breaker with two circuit work requirements, wherein the first contact assembly 11 and the first switch 2 are communicated with one working circuit, the second contact assembly 12 and the second switch 3 are communicated with the other working circuit, and the first contact assembly 11 and the second contact assembly 12 are alternately communicated and disconnected, so that the normal work of the working circuit is realized. Specifically, when the first switch 2 moves the first moving contact 111 towards the direction in which the first fixed contact 112 is located, the linkage assembly 13 moves the second moving contact 121 away from the second fixed contact 122, so that the first contact assembly 11 and the second contact assembly 12 are in an alternately on-off state. The first contact component 11 and the second contact component 12 for switching on and off a circuit are arranged in a vacuum arc-extinguishing chamber 1, and the first moving contact 111 and the second moving contact 121 are connected through the linkage component 13, so that the moving directions of the first moving contact 111 and the second moving contact 121 are opposite when in use, the first contact component 11 and the second contact component 12 are alternately switched on and off, and the switching-on and switching-off process of a circuit breaker controlled by the circuit breaker is stable and sensitive.
In one embodiment, the linkage assembly 13 includes a first connector 131, a second connector 132, a transmission assembly 134, and two mounts 133; the two mounting seats 133 are arranged side by side, and the transmission assembly 134 is positioned between the two mounting seats 133; one end of the first connecting piece 131 and one end of the second connecting piece 132 are respectively fixed on the two mounting seats 133, the other ends of the first connecting piece 131 and the second connecting piece 132 are respectively connected with the transmission assembly 134, and the transmission assembly 134 drives the first connecting piece 131 and the second connecting piece 132 to do opposite movement on the same plane, so as to drive the two mounting seats 133 to do opposite movement on the same plane; in addition, the first moving contact 111 and the second moving contact 121 are respectively mounted on the two mounting seats 133, so that the moving directions of the first moving contact 111 and the second moving contact 121 are opposite, and the first contact assembly 11 and the second contact assembly 12 are alternately turned on and off.
In one embodiment, the transmission assembly 134 includes a transmission member 1341 and a transmission drive member 1342; the first connecting piece 131 and the second connecting piece 132 are respectively arranged on the transmission piece 1341, and the connection position of the first connecting piece 131 and the transmission piece 1341 and the connection position of the second connecting piece 132 and the transmission piece 1341 are in the same straight line; the transmission member 1341 is sleeved on the conveying shaft of the transmission driving member 1342, and the transmission driving member 1342 drives the transmission member 1341 to rotate, so that the transmission member 1341 rotates to drive the first connecting member 131 and the second connecting member 132 to move relatively or reversely in the vertical direction.
Specifically, the transmission driving member 1342 includes a first gear, a second gear, and a transmission driving member 1342; the transmission driving piece 1342 is in driving connection with the first gear, the transmission driving piece 1342 drives the first gear and the second gear to be meshed for transmission, and a coupling is arranged between the second gear and the transmission piece 1341, so that the transmission piece 1341 and the second gear synchronously rotate.
In one embodiment, the transmission member 1341 includes a first guide groove 1341a and a second guide groove 1341b, the first guide groove 1341a and the second guide groove 1341b each being arc-shaped grooves; the two arc-shaped grooves are oppositely arranged, and the end parts of the two arc-shaped grooves are staggered; the first link 131 is provided with a first guide bar 1311, and the first guide bar 1311 is mounted to the first guide groove 1341a; the second link 132 is provided with a second guide bar 1321, and the second guide bar 1321 is mounted to the second guide groove 1341b.
When the transmission member 1341 rotates, the first guide groove 1341a and the second guide groove 1341b rotate synchronously and in the same direction, and as the arc grooves of the first guide groove 1341a and the second guide groove 1341b are disposed opposite to each other, and the ends of the two arc grooves are sequentially staggered, the two arc grooves rotate around the first guide rod 1311 and the second guide rod 1321 respectively along with the rotation of the transmission member 1341, and the first guide rod 1311 and the second guide rod 1321 move upward or downward in the same vertical direction under the action of the groove edges of the arc grooves.
In one embodiment, the first connecting member 131 includes a first mounting portion 1312 and a first connecting portion 1313 connected to each other, and a relief space is provided between the first mounting portion 1312 and the first connecting portion 1313; the second connecting piece 132 includes a second mounting portion 1322 and a second connecting portion 1323 that are connected to each other, an included angle between the second mounting portion 1322 and the second connecting portion 1323 is greater than 90 °, and an extending direction of the second connecting portion 1323 faces a direction in which the first connecting piece 131 is located, and the second connecting portion 1323 moves in the abdication space.
Specifically, as shown in fig. 3, the first connecting piece 131 further includes a limiting portion 1314 and a yielding portion 1315, the first mounting portion 1312 is connected with the limiting portion 1314, the first connecting portion 1313 and the limiting portion 1314 are respectively located at two ends of the yielding portion 1315, and angles between the yielding portion 1315 and the first connecting portion 1313 and between the yielding portion 1315 and the limiting portion 1314 are all greater than 90 °, so that a yielding space is formed among the first connecting portion 1313, the yielding portion 1315 and the limiting portion 1314. The first installation portion 1312 is fixed on one of the installation seats 133, the first guide rod 1311 is fixed on the first connection portion 1313, the second installation portion 1322 is fixed on the other installation seat 133, the second guide rod 1321 is fixed on the second connection seat, when the transmission member 1341 rotates, the first connection member 131 and the second connection member 132 are driven to move in a staggered manner, at this time, the second connection portion 1323 moves in the abdicating space along the length direction of the abdicating portion 1315, and the limiting portion 1314 plays a limiting role on the movement of the second connection portion 1323, so that the accuracy of the switch control of the circuit breaker is ensured.
In one embodiment, the linkage assembly 13 further includes a guiding assembly 135 that guides the movement of the mounting base 133, so that the first moving contact 111 triggers the first fixed contact 112 and the second moving contact 121 triggers the second fixed contact 122 more stably and reliably. Specifically, as shown in fig. 2, the guide assembly 135 includes a moving block 1351 and a guide 1352, and the moving block 1351 is movably mounted on the guide 1352; the moving block 1351 is fixed to the mounting base 133, and the guide rail 1352 is fixed to the vacuum interrupter 1.
In one embodiment, the mounting base 133 includes a first mounting plate 1331 and a second mounting plate 1332 that are vertically connected, the moving block 1351 is fixed to the first mounting plate 1331, and the second mounting plate 1332 is provided with a mounting through slot for fixing the first moving contact 111 or the second moving contact 121.
In one embodiment, an adjusting connecting rod 21 is arranged between the first switch 2 and the second switch 3, and the first switch 2 and the second switch 3 comprise a rotating shaft 22 and a switch assembly 23; the two ends of the adjusting connecting rod 21 are respectively sleeved on the rotating shaft 22 of the first switch 2 and the rotating shaft 22 of the second switch 3, and the adjusting connecting rod 21 is used for enabling the rotating directions of the rotating shaft 22 of the first switch 2 and the rotating shaft 22 of the second switch 3 to be opposite; the switch assembly 23 comprises a cam 231, a movable rod 232 and a return spring 233, wherein the cam 231 is sleeved on the rotating shaft 22, and the return spring 233 is sleeved on the movable rod 232; one end of the movable rod 232 abuts against the cam 231, and the other end of the movable rod 232 abuts against the vacuum interrupter 1.
Specifically, when the rotating shaft 22 of the first switch 2 rotates, under the action of the rotating shaft 22, the cam 231 synchronously rotates, so that the movable rod 232 moves towards the direction where the vacuum interrupter 1 is located, the first movable contact is propped against the first fixed contact, the first trigger component of the vacuum interrupter 1 is in a connected state, at this moment, the rotating shaft 22 of the second switch 3 rotates in the opposite direction to the rotating shaft 22 of the first switch 2 under the action of the adjusting connecting rod 21, so that the movable rod 232 of the second switch 3 moves towards the direction away from the vacuum interrupter 1, and meanwhile, under the action of the linkage component 13, the second movable contact is away from the second fixed contact, and at this moment, the second movable contact and the second fixed contact are in a disconnected state. In the moving process of the movable rod 232, the reset spring 233 is compressed or stretched along with the moving rod, so that a buffer effect is achieved on the on-off process of the first trigger assembly and the second trigger assembly, and the on-off safety of the circuit breaker is further guaranteed.
In one embodiment, a movable slot 234 is provided between the cam 231 of the first switch 2 and the first moving contact 111, and the movable rod 232 includes a limiting block 2321 and a guide post 2322 that are connected to each other; the limiting block 2321 abuts against the arc-shaped surface of the cam 231, and the guide post 2322 stretches into the movable groove 234, so that the end part of the guide post 2322 abuts against the first movable contact 111; the return spring 233 is sleeved on the guide post 2322, and the return spring 233 is located between the limiting block 2321 and the top of the movable groove 234. Along with the rotation of the cam 231, the limiting block 2321 is subjected to the action force of the cam 231 and moves towards the direction where the first moving contact 111 is located, so that the return spring 233 is compressed between the limiting block 2321 and the top of the movable slot 234, meanwhile, the guide post 2322 moves towards the first moving contact 111 in the movable slot 234, so that the guide post 2322 abuts against the first moving contact 111, and under the action of the guide post 2322, the first moving contact 111 moves towards the direction where the first fixed contact 112 is located, so that the first moving contact 111 is communicated with the first fixed contact 112.
Similarly, a movable slot 234 is disposed between the cam 231 of the second switch 3 and the second moving contact 121, and the triggering action of the second switch 3 on the second moving contact 121 is the same as that of the first switch 2, which has the same beneficial effects and is not described herein.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (6)
1. The breaker switch is characterized by comprising a vacuum arc extinguishing chamber, a first switch and a second switch;
the vacuum arc-extinguishing chamber comprises a first contact assembly, a second contact assembly and a linkage assembly, wherein the first switch is connected with the first contact assembly, and the second switch is connected with the second contact assembly;
the first contact assembly comprises a first moving contact and a first fixed contact which are oppositely arranged, and the second contact assembly comprises a second moving contact and a second fixed contact which are oppositely arranged;
the linkage assembly is connected with the first moving contact and the second moving contact;
the first switch is used for enabling the first moving contact to move relatively to or away from the first fixed contact, the second switch is used for enabling the second moving contact to move relatively to or away from the second fixed contact, and the linkage assembly is used for enabling the moving direction of the first moving contact to be opposite to the moving direction of the second moving contact;
the linkage assembly comprises a first connecting piece, a second connecting piece, a transmission assembly and two mounting seats,
the two mounting seats are arranged side by side, and the transmission assembly is positioned between the two mounting seats;
one ends of the first connecting piece and the second connecting piece are respectively fixed on the two mounting seats, and the other ends of the first connecting piece and the second connecting piece are respectively connected with the transmission assembly;
the first moving contact and the second moving contact are respectively arranged on the two mounting seats;
the transmission assembly comprises a transmission piece and a transmission driving piece;
the first connecting piece and the second connecting piece are respectively arranged on the transmission piece, and the connection position of the first connecting piece and the transmission piece and the connection position of the second connecting piece and the transmission piece are in the same straight line;
the transmission piece is sleeved on the conveying shaft of the transmission driving piece, the transmission driving piece drives the transmission piece to rotate, and the transmission piece rotates to drive the first connecting piece and the second connecting piece to move relatively or away from each other in the vertical direction;
the transmission piece comprises a first guide groove and a second guide groove, and the first guide groove and the second guide groove are arc-shaped grooves;
the two arc-shaped grooves are oppositely arranged, and the end parts of the two arc-shaped grooves are staggered;
the first connecting piece is provided with a first guide rod, and the first guide rod is arranged in the first guide groove;
the second connecting piece is provided with a second guide rod, and the second guide rod is installed in the second guide groove.
2. The circuit breaker switch of claim 1, wherein the first connector comprises a first mounting portion and a first connecting portion that are connected to each other, wherein a relief space is provided between the first mounting portion and the first connecting portion;
the second connecting piece includes interconnect's second installation department and second connecting portion, the second installation department with contained angle between the second connecting portion is greater than 90, just the extending direction orientation of second connecting portion the direction that first connecting piece is located, the second connecting portion remove in the space of stepping down.
3. The circuit breaker switch of claim 1, wherein the linkage assembly further comprises a guide assembly comprising a moving block and a rail, the moving block being movably mounted to the rail;
the movable block is fixed on the mounting seat, and the guide rail is fixed on the vacuum arc-extinguishing chamber.
4. The circuit breaker switch according to claim 3, wherein the mounting base comprises a first mounting plate and a second mounting plate vertically connected, the moving block is fixed to the first mounting plate, the second mounting plate is provided with a mounting through slot for fixing the first moving contact or the second moving contact.
5. The circuit breaker switch of claim 1, wherein an adjustment link is disposed between the first switch and the second switch, the first switch and the second switch each comprising a shaft and a switch assembly;
the two ends of the adjusting connecting rod are respectively sleeved on the rotating shaft of the first switch and the rotating shaft of the second switch;
the switch assembly comprises a cam, a movable rod and a reset spring, wherein the cam is sleeved on the rotating shaft, and the reset spring is sleeved on the movable rod;
one end of the movable rod is propped against the cam, and the other end of the movable rod is propped against the vacuum arc-extinguishing chamber.
6. The circuit breaker switch of claim 5, wherein a movable slot is provided between the cam of the first switch and the first movable contact, the movable lever including a stopper and a guide post connected to each other;
the limiting block is propped against the arc-shaped surface of the cam, and the guide post stretches into the movable groove, so that the end part of the guide post is propped against the first movable contact;
the reset spring is sleeved on the guide post and is positioned between the limiting block and the top of the movable groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311644064.0A CN117373863B (en) | 2023-12-04 | 2023-12-04 | Circuit breaker switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311644064.0A CN117373863B (en) | 2023-12-04 | 2023-12-04 | Circuit breaker switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117373863A CN117373863A (en) | 2024-01-09 |
| CN117373863B true CN117373863B (en) | 2024-03-29 |
Family
ID=89406150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311644064.0A Active CN117373863B (en) | 2023-12-04 | 2023-12-04 | Circuit breaker switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117373863B (en) |
Citations (7)
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|---|---|---|---|---|
| US5347096A (en) * | 1991-10-17 | 1994-09-13 | Merlin Gerin | Electrical circuit breaker with two vacuum cartridges in series |
| JP2002124157A (en) * | 2000-10-13 | 2002-04-26 | Mitsubishi Electric Corp | Switch device |
| WO2014075739A1 (en) * | 2012-11-19 | 2014-05-22 | Abb Technology Ag | High-voltage switching device |
| CN104576176A (en) * | 2014-12-22 | 2015-04-29 | 苏州施源特电气有限公司 | Circuit breaker of arc extinguish chambers in series connection |
| CN106373821A (en) * | 2016-11-17 | 2017-02-01 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Double-break disconnector switch module |
| CN112840428A (en) * | 2018-09-12 | 2021-05-25 | 西门子能源全球有限公司 | Power switch |
| CN113972106A (en) * | 2020-07-24 | 2022-01-25 | 上海良信电器股份有限公司 | Circuit breaker |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2923661B1 (en) * | 2007-11-13 | 2010-04-30 | Areva T & D Sa | SWITCHING APPARATUS WITH CIRCUIT BREAKER AND DISCONNECT AND COMPRISING COMMON TRAINING MEANS |
| US10957505B2 (en) * | 2019-06-19 | 2021-03-23 | Eaton Intelligent Power Limited | Disconnect switch assemblies with a shared actuator that concurrently applies motive forces in opposing directions and related circuit breakers and methods |
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| US5347096A (en) * | 1991-10-17 | 1994-09-13 | Merlin Gerin | Electrical circuit breaker with two vacuum cartridges in series |
| JP2002124157A (en) * | 2000-10-13 | 2002-04-26 | Mitsubishi Electric Corp | Switch device |
| WO2014075739A1 (en) * | 2012-11-19 | 2014-05-22 | Abb Technology Ag | High-voltage switching device |
| CN104576176A (en) * | 2014-12-22 | 2015-04-29 | 苏州施源特电气有限公司 | Circuit breaker of arc extinguish chambers in series connection |
| CN106373821A (en) * | 2016-11-17 | 2017-02-01 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Double-break disconnector switch module |
| CN112840428A (en) * | 2018-09-12 | 2021-05-25 | 西门子能源全球有限公司 | Power switch |
| CN113972106A (en) * | 2020-07-24 | 2022-01-25 | 上海良信电器股份有限公司 | Circuit breaker |
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| CN117373863A (en) | 2024-01-09 |
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