CN103560033B - Linked switch - Google Patents
Linked switch Download PDFInfo
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- CN103560033B CN103560033B CN201310533374.5A CN201310533374A CN103560033B CN 103560033 B CN103560033 B CN 103560033B CN 201310533374 A CN201310533374 A CN 201310533374A CN 103560033 B CN103560033 B CN 103560033B
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- turning arm
- auxiliary switch
- arm
- rotating
- spreader
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Abstract
The invention provides a kind of linked switch.This 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 and the contact of auxiliary switch drive the closing of contact or the disconnection that are connected to drive auxiliary switch.Apply technical scheme of the present invention, reduce the probability producing electric arc in the process of shifting one's position contact, reduce the loss of contact.
Description
Technical field
The present invention relates to field of electrical equipment, more specifically, relate to a kind of linked switch.
Background technology
The switch element of sensitive switch as loop is widely used in the on-pole switch of electric power system.Namely switch such as controlling display unit adopts sensitive switch.
Sensitive switch, owing to limiting by self structure, does not have the function of current in rupturing operation loop, if by they opening operation electric currents, will arcing in operation, 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 producing 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 and the contact of auxiliary switch drive the closing of contact or the disconnection that are connected to drive auxiliary switch.
Further, driving mechanism comprises: rotating shaft, is connected and arranges rotationally relative to support portion with 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; Second turning arm, drives with the contact of auxiliary switch and is connected, and the first end of the second turning arm is connected to rotating shaft rotationally and extends to the direction away from rotating shaft, and the second end of first rotating arm is connected with the second end elasticity of the second turning arm.
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 comprise be arranged on the second turning arm rotate path on the first limiting section and the second limiting section, wherein, when the second turning arm rotates the position to the first limiting section, the contact of auxiliary switch is in the close position, when the second turning arm rotates the position to the second limiting section, the contact of auxiliary switch is in open position.
Further, linked switch also comprises the mechanical instruction unit of the on off state for showing linked switch, and the second turning arm drives with mechanical instruction unit and is connected.
Further, auxiliary switch also comprises central shaft, and central shaft controls the position of the contact of auxiliary switch by own rotation; Driving mechanism also comprises linkage, and linkage is connected to drive central axis with the second turning arm and central shaft respectively.
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 be fixedly connected with, the first end of connecting rod and rotating disk are articulated with the first articulated section of rotating disk, and the axis at intervals of the first articulated section and central shaft is arranged rotating disk and central axis.
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 that the bearing of trend along the axis of guide is arranged; 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; Second spreader, be connected with the second end of the axis of guide and be connected with the second end of the second turning arm, the second spreader is perpendicular to first rotating arm and the second turning arm; Spring, to be set on the axis of guide and to be arranged between the first spreader and the second spreader; 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 and the contact of auxiliary switch drive the closing of contact or the disconnection that are connected to drive auxiliary switch.Apply technical scheme of the present invention, reduce the probability producing electric arc in the process of shifting one's position contact, reduce the loss of contact.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, 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, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
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 and the contact of auxiliary switch 22 drive the closing of contact or the disconnection that are connected to drive auxiliary switch 22.
In the present embodiment, linked switch is for controlling the break-make of the auxiliary circuit of on-pole switch.The contact of the driving mechanism of linked switch and the contact of on-pole switch and auxiliary switch 22 drives respectively and is connected.
The driving mechanism of the linked switch of the present embodiment is Manual spring driving mechanism.Linked switch also comprises the handle for driving driving mechanism.Manpower drives driving mechanism, and driving mechanism also drives the contact of on-pole switch to shift one's position while driving the contact of auxiliary switch 22 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 controls the state indicating device of series connection with it, and the state of state indicating device also just represents 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 relative 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.Second turning arm 33 drives with the contact of auxiliary switch 22 and is connected, the first end of the second turning arm 33 is connected to rotating shaft 31 rotationally and extends to the direction away from rotating shaft 31, and the second end of first rotating arm 32 is connected with the second end elasticity of the second turning arm 33.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 comprise for limit second turning arm 33 rotate the rotate path being arranged on the second turning arm 33 on the first limiting section and the second limiting section.Second turning arm 33 position rotated to the first limiting section is equivalent to on-pole switch and the closed position of auxiliary switch 22, and the second turning arm 33 position rotated to the second limiting section is equivalent to the position that on-pole switch and auxiliary switch 22 disconnect.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 comprises the axle sleeve be set on rotating shaft 31 of the first end being positioned at first rotating arm 32, vertically be arranged at respectively the axial two ends of axle sleeve, parallel and towards first rotating arm 32 second end extend two pieces of support plates, axle sleeve is coordinated by spline plane spline with central shaft.Second turning arm 33 comprises two frames be parallel to each other perpendicular to rotating shaft 31, and the first end of two frames is set on rotating shaft 31 respectively, and the first end of above-mentioned two frames is arranged at the both sides of above-mentioned axle sleeve respectively.Relative second turning arm 33 of first rotating arm 32 is rotatably arranged for pivot with rotating shaft 31.
Preferably, the second end of first rotating arm 32 is less than the distance of the second end to rotating shaft 31 of the second turning arm 33 to the distance of rotating shaft 31.
In the present embodiment, driving mechanism also comprises elastic mechanism 34, and the second end of first rotating arm 32 is connected by elastic mechanism 34 elasticity with the second end of the second turning arm 33.
Elastic mechanism 34 comprises the axis of guide 341, first spreader 342, second spreader 343 and spring 344.The axis of guide 341 comprises the bar shaped groove that the bearing of trend along the axis of guide 341 is arranged.First spreader 342 is connected with the first end of the axis of guide 341 and is connected with the second end of first rotating arm 32, and the first spreader 342 is perpendicular to first rotating arm 32 and the second turning arm 33.Second spreader 343 is connected with the second end of the axis of guide 341 and is connected with the second end of the second turning arm 33, and the second spreader 343 is perpendicular to first rotating arm 32 and the second turning arm 33.Spring 344 to be set on the axis of guide 341 and to be arranged between the first spreader 342 and the second spreader 343.Wherein in the first spreader 342 and the second spreader 343, at least one crosses bar shaped groove.
In the present embodiment, the first spreader 342 crosses the bar shaped groove that the bearing of trend along the axis of guide 341 is arranged.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 pieces of support plates of first rotating arm 32 respectively particularly.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.First spreader 342 and the second spreader 343 are parallel to rotating shaft 31.
In the process that external force driving handle rotates, rotating shaft 31 drives the first rotating arm 32 be fixedly connected with it to rotate.When first rotating arm 32 rotates, 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 the second turning arm 33 rotates to by the first limiting section stop 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.First rotating arm 32 be rotated further in process, the first spreader 342 be connected with the second end of first rotating arm 32 is along the bearing of trend Compress Spring 344 of bar shaped groove.When the bearing of trend of first rotating arm 32 is consistent with the bearing of trend of the second turning arm 33, the pressure of spring 344 is maximum.First rotating arm 32 continues to rotate along original direction of rotation, after first rotating arm 32 departs from the position consistent with the second turning arm 33 bearing of trend, second turning arm 33 rotates to the direction (both with above-mentioned outer power-actuated rotatable handle side in the opposite direction) deviating from the first limiting section rapidly under the elastic force effect of spring 344, and the second limiting section is arranged on the second turning arm 33 to deviate from path that the first limiting section direction rotates and to stop that the second turning arm 33 continues to rotate along former direction.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.Second turning arm 33 drives the contact of auxiliary switch 22 to shift one's position fast under the driving of elastic mechanism 34, effectively reduces the probability that electric arc produces.
Second turning arm 33 from the second limiting section to the rotary course of the first limiting section and above process similar, do not repeat them here.
As shown in Figure 1, in the present embodiment, mechanical instruction unit 21, second turning arm 33 that linked switch also comprises the on off state for showing linked switch drives with mechanical instruction unit 21 and is connected.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 to be set on rotating shaft 31 and to be fixedly connected with the first end of the second turning arm 33.Swingle rotates with the second turning arm 33 and rotates.Support portion 10 is provided with the groove (not shown) that the rotate path along swingle is arranged.Second end of swingle extends to the outside of support portion 10.Machinery instruction unit 21 also comprises the indicating arm be 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 controls the position of the contact of auxiliary switch 22 by own rotation; Driving mechanism also comprises linkage, and linkage is connected to drive central axis with the second turning arm 33 and central shaft respectively.
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 be fixedly connected with, the first end of connecting rod 43 and rotating disk are articulated with the first articulated section of rotating disk, and the axis at intervals of the first articulated section and central shaft is arranged rotating disk and central axis.
In the present embodiment, rotating disk, connecting rod 43 and the second turning arm 33 constitute 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 second turning arm 33 is reciprocating between the first limiting section and the second limiting section, has driven 360 degree of rotations of crank rotor plate.The function shifted one's position fast in the contact achieving auxiliary switch 22.Further, the probability producing electric arc is reduced.
Embodiments of the invention achieve 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, reduce the probability producing electric arc in the process of shifting one's position contact.Further, achieve the Fast transforms of the contact position of auxiliary switch, create a further reduction the probability producing 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 amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a linked switch, is characterized in that, described linked switch comprises:
Support portion (10);
Auxiliary switch (22), be connected with described support portion (10), described auxiliary switch comprises contact;
Driving mechanism, is connected with described support portion (10), and described driving mechanism and the described contact of described auxiliary switch (22) drive the described closing of contact or disconnection that are connected to drive described auxiliary switch (22),
Described driving mechanism comprises:
Rotating shaft (31), is connected with described support portion (10) and arranges rotationally relative 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);
Second turning arm (33), drive with the described contact of described auxiliary switch (22) and be connected, the first end of described second turning arm (33) is connected to described rotating shaft (31) rotationally and extends to the direction away from described rotating shaft (31), second end of described first rotating arm (32) is connected with the second end elasticity of described second turning arm (33)
Described driving mechanism also comprises elastic mechanism (34), and the second end of described first rotating arm (32) is connected by described elastic mechanism (34) elasticity with the second end of described second turning arm (33),
Described elastic mechanism (34) comprising:
The axis of guide (341), comprises the bar shaped groove that the bearing of trend along the described axis of guide (341) is arranged;
First spreader (342), be connected with the first end of the described axis of guide (341) and be connected with the second end of described first rotating arm (32), described first spreader (342) is perpendicular to described first rotating arm (32) and described second turning arm (33);
Second spreader (343), be connected with the second end of the described axis of guide (341) and be connected with the second end of described second turning arm (33), described second spreader (343) is perpendicular to described first rotating arm (32) and described second turning arm (33);
Spring (344), is set in the described axis of guide (341) and goes up and be arranged between described first spreader (342) and described second spreader (343);
In wherein said first spreader (342) and described second spreader (343), at least one crosses described bar shaped groove.
2. linked switch according to claim 1, 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 second turning arm (33).
3. linked switch according to claim 2, it is characterized in that, described limiting section comprises the first limiting section on the rotate path being arranged on described second turning arm (33) and the second limiting section, wherein, when described second turning arm (33) rotates the position to described first limiting section, the described contact of described auxiliary switch (22) is in the close position, when described second turning arm (33) rotates the position to described second limiting section, the described contact of described auxiliary switch (22) is in open position.
4. linked switch according to claim 1, it is characterized in that, described linked switch also comprises the mechanical instruction unit (21) of the on off state for showing described linked switch, and described second turning arm (33) drives with described mechanical instruction unit (21) and is connected.
5. linked switch according to any one of claim 1 to 4, is characterized in that, described auxiliary switch (22) also comprises central shaft, and described central shaft controls the position of the described contact of described auxiliary switch (22) by own rotation; Described driving mechanism also comprises linkage, and described linkage is connected to drive described central axis with described second turning arm (33) and described central shaft respectively.
6. linked switch according to claim 5, 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 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).
7. linked switch according to claim 6, it is characterized in that, described auxiliary switch drive division (41) comprises rotating disk, be fixedly connected with described rotating disk and described central axis, 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 at intervals of described first articulated section and described central shaft is arranged.
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 CN103560033A (en) | 2014-02-05 |
| CN103560033B true CN103560033B (en) | 2016-01-13 |
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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) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (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 |
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2013
- 2013-10-31 CN CN201310533374.5A patent/CN103560033B/en active Active
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| Publication number | Publication date |
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| CN103560033A (en) | 2014-02-05 |
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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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