CN103560033A - Linked switch - Google Patents
Linked switch Download PDFInfo
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- CN103560033A CN103560033A CN201310533374.5A CN201310533374A CN103560033A CN 103560033 A CN103560033 A CN 103560033A CN 201310533374 A CN201310533374 A CN 201310533374A CN 103560033 A CN103560033 A CN 103560033A
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- turning arm
- auxiliary switch
- arm
- rotating
- spreader
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention provides a linked switch. The linked switch comprises a supporting portion, an auxiliary switch connected with the supporting portion and a driving mechanism connected with the supporting portion, wherein the auxiliary switch comprises a contact, and the driving mechanism is in driving connection with the contact of the auxiliary switch to drive the contact of the auxiliary switch to be closed or disconnected. By means of the technical scheme, the rate of generating electric car in a position change process of the contact is reduced, and the loss of the contact is reduced.
Description
Technical field
The present invention relates to field of electrical equipment, more specifically, relate to a kind of linked switch.
Background technology
In the on-pole switch of electric power system, be widely used sensitive switch as the switch element in loop.For example for controlling the switch of display unit, adopt sensitive switch.
Sensitive switch, owing to limited by self structure, does not have the function of current in rupturing operation loop, if by they opening operation electric currents, will arcing in operating process, and cause contact to be burnt.
Summary of the invention
The present invention aims to provide a kind of linked switch, to reduce the probability that produces arcing in switch motion process.
To achieve these goals, the invention provides a kind of linked switch, linked switch comprises: support portion; Auxiliary switch, is connected with support portion, and auxiliary switch comprises contact; Driving mechanism, is connected with support portion, and driving mechanism drives and is connected to drive the closing of contact or the disconnection of auxiliary switch with the contact of auxiliary switch.
Further, driving mechanism comprises: rotating shaft, is connected with support portion and arranges rotationally with respect to support portion; First rotating arm, the first end of first rotating arm is fixedly connected with rotating shaft and extends to the direction away from rotating shaft; The second turning arm, drives and is connected with the contact of auxiliary switch, and the first end of the second turning arm is connected in rotationally rotating shaft and extends to the direction away from rotating shaft, and the second end elasticity of the second end of first rotating arm and the second turning arm is connected.
Further, driving mechanism also comprises limiting section, and limiting section is arranged on the rotate path of first rotating arm and/or the second turning arm.
Further, limiting section comprises the first limiting section and the second limiting section on the rotate path that is arranged on the second turning arm, wherein, in the second turning arm rotation during to the position of the first limiting section, the contact of auxiliary switch is in the close position, in the second turning arm rotation, during to the position of the second limiting section, the contact of auxiliary switch is in open position.
Further, linked switch also comprises for showing the mechanical instruction unit of the on off state of linked switch, and the second turning arm drives and is connected with mechanical instruction unit.
Further, auxiliary switch also comprises central shaft, and central shaft rotates the position of the contact of controlling auxiliary switch by self; Driving mechanism also comprises linkage, and linkage is connected to drive respectively central shaft to rotate with central shaft with the second turning arm.
Further, auxiliary switch also comprises auxiliary switch drive division, and auxiliary switch drive division is fixedly connected with central shaft; Linkage comprises: pillar, is connected with the second turning arm; Connecting rod, the first end of connecting rod is connected with auxiliary switch drive division, and the second end of connecting rod is connected with pillar.
Further, auxiliary switch drive division comprises rotating disk, and rotating disk is fixedly connected with coaxially with central shaft, and the first end of connecting rod and rotating disk are articulated with the first articulated section of rotating disk, and the axis interval of the first articulated section and central shaft arranges.
Further, driving mechanism also comprises elastic mechanism, and the second end of first rotating arm is connected by elastic mechanism elasticity with the second end of the second turning arm.
Further, elastic mechanism comprises: the axis of guide, comprises the bar shaped groove arranging along the bearing of trend of the axis of guide; The first spreader, is connected with the first end of the axis of guide and is connected with the second end of first rotating arm, and the first spreader is perpendicular to first rotating arm and the second turning arm; The second spreader, is connected with the second end of the axis of guide and is connected with the second end of the second turning arm, and the second spreader is perpendicular to first rotating arm and the second turning arm; Spring, be set on the axis of guide and be arranged on the first spreader and the second spreader between; Wherein in the first spreader and the second spreader, at least one crosses bar shaped groove.
Apply technical scheme of the present invention, this linked switch comprises support portion, auxiliary switch and driving mechanism, and auxiliary switch is connected with support portion; Driving mechanism is connected with support portion, and driving mechanism drives and is connected to drive the closing of contact or the disconnection of auxiliary switch with the contact of auxiliary switch.Apply technical scheme of the present invention, reduced the probability that produces electric arc in the process of shifting one's position contact, reduced the loss of contact.
Accompanying drawing explanation
The Figure of description that forms the application's a part is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the linked switch structure schematic diagram of the embodiment of the present invention;
Fig. 2 shows the sectional structure schematic diagram of the linked switch of the embodiment of the present invention.
Reference numeral: 10, support portion; 41, drive division; 42, pillar; 43, connecting rod; 21, mechanical instruction unit; 22, auxiliary switch; 31, rotating shaft; 32, first rotating arm; 33, the second turning arm; 34, elastic mechanism; 341, the axis of guide; 342, the first spreader; 343, the second spreader; 344, spring.
Embodiment
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
As shown in Figure 1, the linked switch of the embodiment of the present invention comprises support portion 10, auxiliary switch 22 and driving mechanism.Auxiliary switch is connected with support portion 10.Auxiliary switch comprises contact, and driving mechanism is connected with support portion 10, and driving mechanism drives and is connected to drive the closing of contact or the disconnection of auxiliary switch 22 with the contact of auxiliary switch 22.
In the present embodiment, linked switch is for controlling the break-make of the auxiliary circuit of on-pole switch.The driving mechanism of linked switch drives and is connected respectively with the contact of auxiliary switch 22 with the contact of on-pole switch.
The driving mechanism of the linked switch of the present embodiment is Manual spring driving mechanism.Linked switch also comprises for driving the handle of driving mechanism.Manpower drives driving mechanism, when driving mechanism drives the contact of auxiliary switch 22 to shift one's position, also drives the contact of on-pole switch to shift one's position.Shift one's position in the contact of auxiliary switch 22 and the contact of on-pole switch simultaneously.Auxiliary switch 22 is controlled the state indicating device of series connection with it, and the state of state indicating device has also just represented the position of the contact of on-pole switch.
As depicted in figs. 1 and 2, driving mechanism comprises rotating shaft 31, first rotating arm 32 and the second turning arm 33.Rotating shaft 31 is connected with support portion 10 and arranges rotationally with respect to support portion 10.The first end of first rotating arm 32 is fixedly connected with rotating shaft 31 and extends to the direction away from rotating shaft 31.The second turning arm 33 drives and is connected with the contact of auxiliary switch 22, the first end of the second turning arm 33 is connected in rotationally rotating shaft 31 and extends to the direction away from rotating shaft 31, and the second end elasticity of the second end of first rotating arm 32 and the second turning arm 33 is connected.Driving mechanism also comprises limiting section.Limiting section is arranged on the rotate path of first rotating arm 32 and/or the second turning arm 33.
Preferably, limiting section comprises for limiting the first limiting section and the second limiting section on the rotate path that is arranged on the second turning arm 33 of the second turning arm 33 rotation.The second turning arm 33 rotations are equivalent to the position of on-pole switch and auxiliary switch 22 closures to the position of the first limiting section, the second turning arm 33 rotations are equivalent to the position of on-pole switch and auxiliary switch 22 disconnections to the position of the second limiting section.The second turning arm 33 moves and drives the contact of on-pole switch and auxiliary switch 22 to shift one's position between the first limiting section and the second limiting section.
In the present embodiment, handle (not shown) is fixedly connected with rotating shaft 31.Rotating shaft 31 rotates with the rotation of handle.Preferably, first rotating arm 32 and the second turning arm 33 are frame structure.The first end of first rotating arm 32 is fixedly connected with rotating shaft 31.In the present embodiment, first rotating arm 32 comprise be positioned at first rotating arm 32 first end be set in the axle sleeve on rotating shaft 31, the axial two ends, two support plates parallel and that extend towards the second end of first rotating arm 32 that are vertically arranged at respectively axle sleeve, axle sleeve coordinates by spline plane spline with central shaft.The second turning arm 33 comprises two frames that are parallel to each other perpendicular to rotating shaft 31, and the first end of two frames is set in respectively on rotating shaft 31, and the first end of above-mentioned two frames is arranged at respectively the both sides of above-mentioned axle sleeve.Relative the second turning arm 33 of first rotating arm 32 be take rotating shaft 31 and is rotatably arranged as pivot.
Preferably, the second end of first rotating arm 32 is less than the second end of the second turning arm 33 to the distance of rotating shaft 31 to the distance of rotating shaft 31.
In the present embodiment, driving mechanism also comprises elastic mechanism 34, and the second end of the second end of first rotating arm 32 and the second turning arm 33 is connected by elastic mechanism 34 elasticity.
In the present embodiment, the first spreader 342 crosses the bar shaped groove arranging along the bearing of trend of the axis of guide 341.The first spreader 342 is connected with the second end of first rotating arm 32.The two ends of the first spreader 342 are connected with one end away from axle sleeve of two support plates of first rotating arm 32 respectively particularly.The second end of the axis of guide 341 and the second spreader 343 are fixedly connected on the middle part of the second spreader 343, and the second spreader 343 is connected with the second end of the second turning arm 33.Particularly, the two ends of the second spreader 343 are connected with the second end of two frames respectively.The first spreader 342 and the second spreader 343 are parallel to rotating shaft 31.
In the process of external force driving handle rotation, rotating shaft 31 drives the first rotating arm 32 being fixedly connected with it to rotate.During first rotating arm 32 rotation, the second end of first rotating arm 32 promotes the second turning arm 33 by elastic mechanism 34 and rotates around rotating shaft 31.When rotating to, the second turning arm 33 by the first limiting section, stopped and after cannot being rotated further along former direction, first rotating arm 32 is rotated further along former direction under the drive of rotating shaft 31, and the distance between the second end of first rotating arm 32 and the second end of the second turning arm 33 reduces gradually.Being rotated further in process of first rotating arm 32, the first spreader 342 being connected with the second end of first rotating arm 32 is along the bearing of trend Compress Spring 344 of bar shaped groove.At the bearing of trend of first rotating arm 32 and the bearing of trend of the second turning arm 33, when consistent, the pressure of spring 344 is maximum.First rotating arm 32 continues rotation along original direction of rotation, first rotating arm 32 departs from behind the position consistent with the second turning arm 33 bearing of trends, the second turning arm 33 rotates to the direction direction of above-mentioned outer power-actuated rotatable handle opposite direction (both with) that deviates from the first limiting section rapidly under the elastic force effect of spring 344, and the second limiting section is arranged on the path that the second turning arm 33 deviates from the first limiting section direction rotation and stops that the second turning arm 33 continues rotation along former direction.The second turning arm 33 rotates between the first limiting section and the second limiting section, has driven the contact change-over position of auxiliary switch.The second turning arm 33 drives fast the contact of auxiliary switch 22 to shift one's position under the driving of elastic mechanism 34, has effectively lowered the probability that electric arc produces.
Rotary course and the above process of the second turning arm 33 from the second limiting section to the first limiting section is similar, does not repeat them here.
As shown in Figure 1, in the present embodiment, linked switch also comprises for showing that mechanical instruction unit 21, the second turning arms 33 of the on off state of linked switch drive and are connected with mechanical instruction unit 21.Preferably, the first end of the second turning arm 33 is fixedly connected with mechanical instruction unit 21.
In the present embodiment, mechanical instruction unit 21 comprises swingle, and the first end of swingle is set on rotating shaft 31 and with the first end of the second turning arm 33 and is fixedly connected with.Swingle rotates with the second turning arm 33.On support portion 10, be provided with the groove (not shown) arranging along the rotate path of swingle.The second end of swingle extends to the outside of support portion 10.Machinery instruction unit 21 also comprises the indicating arm being positioned at outside support portion 10, and indicating arm is arranged at the second end of swingle.
As shown in Figure 1, auxiliary switch 22 also comprises central shaft, and central shaft rotates the position of the contact of controlling auxiliary switch 22 by self; Driving mechanism also comprises linkage, and linkage is connected to drive central shaft to rotate with the second turning arm 33 respectively with central shaft.
In the present embodiment, auxiliary switch also comprises auxiliary switch drive division 41, and auxiliary switch drive division 41 is fixedly connected with central shaft.Linkage comprises pillar 42 and connecting rod 43.Pillar 42 is connected with the second turning arm 33, and pillar 42 is perpendicular to the second turning arm 33.The first end of connecting rod 43 is connected with auxiliary switch drive division 41.
Preferably, auxiliary switch drive division 41 comprises rotating disk, and rotating disk is fixedly connected with coaxially with central shaft, and the first end of connecting rod 43 and rotating disk are articulated with the first articulated section of rotating disk, and the axis interval of the first articulated section and central shaft arranges.
In the present embodiment, rotating disk, connecting rod 43 and the second turning arm 33 have formed crank and rocker mechanism.In this crank and rocker mechanism, the second turning arm 33 is driving link, and rotating disk is driven member.Rocking bar the second turning arm 33 is reciprocating between the first limiting section and the second limiting section, has driven 360 degree of crank rotor plate to rotate.Realized the function of shifting one's position fast in the contact of auxiliary switch 22.Further, reduced the probability that produces electric arc.
Embodiments of the invention have been realized following technique effect as can be seen from the above description: apply technical scheme of the present invention, use auxiliary switch to replace sensitive switch, reduced the probability that produces electric arc in the process of shifting one's position contact.Further, realize the Fast transforms of the contact position of auxiliary switch, reduced further the probability that produces electric arc in the process of shifting one's position contact.
These are only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a linked switch, is characterized in that, described linked switch comprises:
Support portion (10);
Auxiliary switch (22), is connected with described support portion (10), and described auxiliary switch comprises contact;
Driving mechanism, is connected with described support portion (10), and described driving mechanism drives with the described contact of described auxiliary switch (22) the described closing of contact or the disconnection that is connected to drive described auxiliary switch (22).
2. linked switch according to claim 1, is characterized in that, described driving mechanism comprises:
Rotating shaft (31), is connected with described support portion (10) and arranges rotationally with respect to described support portion (10);
First rotating arm (32), the first end of described first rotating arm (32) is fixedly connected with described rotating shaft (31) and extends to the direction away from described rotating shaft (31);
The second turning arm (33), drive and be connected with the described contact of described auxiliary switch (22), the first end of described the second turning arm (33) is connected in rotationally described rotating shaft (31) and extends to the direction away from described rotating shaft (31), and the second end elasticity of the second end of described first rotating arm (32) and described the second turning arm (33) is connected.
3. linked switch according to claim 2, is characterized in that, described driving mechanism also comprises limiting section, and described limiting section is arranged on the rotate path of described first rotating arm (32) and/or described the second turning arm (33).
4. linked switch according to claim 3, it is characterized in that, described limiting section comprises the first limiting section and the second limiting section on the rotate path that is arranged on described the second turning arm (33), wherein, in described the second turning arm (33) rotation during to the position of described the first limiting section, the described contact of described auxiliary switch (22) is in the close position, in described the second turning arm (33) rotation, during to the position of described the second limiting section, the described contact of described auxiliary switch (22) is in open position.
5. linked switch according to claim 2, it is characterized in that, described linked switch also comprises for showing the mechanical instruction unit (21) of the on off state of described linked switch, and described the second turning arm (33) drives and is connected with described mechanical instruction unit (21).
6. according to the linked switch described in any one in claim 2 to 5, it is characterized in that, described auxiliary switch (22) also comprises central shaft, and described central shaft rotates the position of the described contact of controlling described auxiliary switch (22) by self; Described driving mechanism also comprises linkage, and described linkage is connected to drive described central shaft to rotate with described the second turning arm (33) and described central shaft respectively.
7. linked switch according to claim 6, is characterized in that, described auxiliary switch also comprises auxiliary switch drive division (41), and described auxiliary switch drive division (41) is fixedly connected with described central shaft; Described linkage comprises:
Pillar (42), is connected with described the second turning arm (33);
Connecting rod (43), the first end of described connecting rod (43) is connected with described auxiliary switch drive division (41), and the second end of described connecting rod (43) is connected with described pillar (42).
8. linked switch according to claim 7, it is characterized in that, described auxiliary switch drive division (41) comprises rotating disk, described rotating disk is fixedly connected with coaxially with described central shaft, the first end of described connecting rod (43) and described rotating disk are articulated with the first articulated section of described rotating disk, and the axis interval of described the first articulated section and described central shaft arranges.
9. linked switch according to claim 2, it is characterized in that, described driving mechanism also comprises elastic mechanism (34), and the second end of the second end of described first rotating arm (32) and described the second turning arm (33) is connected by described elastic mechanism (34) elasticity.
10. linked switch according to claim 9, is characterized in that, described elastic mechanism (34) comprising:
The axis of guide (341), comprises the bar shaped groove arranging along the bearing of trend of the described axis of guide (341);
The first spreader (342), is connected with the first end of the described axis of guide (341) and is connected with the second end of described first rotating arm (32), and described the first spreader (342) is perpendicular to described first rotating arm (32) and described the second turning arm (33);
The second spreader (343), is connected with the second end of the described axis of guide (341) and is connected with the second end of described the second turning arm (33), and described the second spreader (343) is perpendicular to described first rotating arm (32) and described the second turning arm (33);
Spring (344), is set in the described axis of guide (341) and goes up and be arranged between described the first spreader (342) and described the second spreader (343);
In wherein said the first spreader (342) and described the second spreader (343), at least one crosses described bar shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310533374.5A CN103560033B (en) | 2013-10-31 | 2013-10-31 | Linked switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310533374.5A CN103560033B (en) | 2013-10-31 | 2013-10-31 | Linked switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103560033A true CN103560033A (en) | 2014-02-05 |
| CN103560033B CN103560033B (en) | 2016-01-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310533374.5A Active CN103560033B (en) | 2013-10-31 | 2013-10-31 | Linked switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103560033B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106783277A (en) * | 2017-01-20 | 2017-05-31 | 浙江临高电气实业有限公司 | A kind of auxiliary switch control structure and the switch cubicle with it |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB262488A (en) * | 1925-08-06 | 1926-12-06 | Frank Brimson Cox | Improvements relating to electric switches |
| GB428529A (en) * | 1933-10-06 | 1935-05-07 | Gen Electric Co Ltd | Improvements in mechanisms for operating electric switches or other devices with snap action and adapted to be actuated electromagnetically |
| CN201359965Y (en) * | 2009-02-26 | 2009-12-09 | 万控集团有限公司 | Secondary auxiliary switch interlocking mechanism of vacuum breaker |
| CN202067688U (en) * | 2011-03-14 | 2011-12-07 | 平高集团有限公司 | High-voltage circuit breaker |
| CN203242558U (en) * | 2013-05-16 | 2013-10-16 | 浙江兴田电气有限公司 | Novel permanent magnetic mechanism |
-
2013
- 2013-10-31 CN CN201310533374.5A patent/CN103560033B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB262488A (en) * | 1925-08-06 | 1926-12-06 | Frank Brimson Cox | Improvements relating to electric switches |
| GB428529A (en) * | 1933-10-06 | 1935-05-07 | Gen Electric Co Ltd | Improvements in mechanisms for operating electric switches or other devices with snap action and adapted to be actuated electromagnetically |
| CN201359965Y (en) * | 2009-02-26 | 2009-12-09 | 万控集团有限公司 | Secondary auxiliary switch interlocking mechanism of vacuum breaker |
| CN202067688U (en) * | 2011-03-14 | 2011-12-07 | 平高集团有限公司 | High-voltage circuit breaker |
| CN203242558U (en) * | 2013-05-16 | 2013-10-16 | 浙江兴田电气有限公司 | Novel permanent magnetic mechanism |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106783277A (en) * | 2017-01-20 | 2017-05-31 | 浙江临高电气实业有限公司 | A kind of auxiliary switch control structure and the switch cubicle with it |
| CN106783277B (en) * | 2017-01-20 | 2019-02-19 | 浙江临高电气实业有限公司 | A kind of auxiliary switch control structure and the switchgear with it |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103560033B (en) | 2016-01-13 |
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Effective date of registration: 20220414 Address after: 100000 room 921, 8th floor, block B, floor 01, building 1, yard 59, Chemical Road, Chaoyang District, Beijing Patentee after: Beijing Jieneng new energy Co.,Ltd. Address before: 100085, room 1111, block D, No. 9, 3rd Street, Beijing, Haidian District Patentee before: BEIJING SOJO ELECTRIC Co.,Ltd. |
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