CN201749816U - Auxiliary switching device of high voltage vacuum circuit breaker - Google Patents
Auxiliary switching device of high voltage vacuum circuit breaker Download PDFInfo
- Publication number
- CN201749816U CN201749816U CN201020280016XU CN201020280016U CN201749816U CN 201749816 U CN201749816 U CN 201749816U CN 201020280016X U CN201020280016X U CN 201020280016XU CN 201020280016 U CN201020280016 U CN 201020280016U CN 201749816 U CN201749816 U CN 201749816U
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- side plate
- sensitive switch
- mounting bracket
- cam
- pressure vacuum
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Abstract
Provided is an auxiliary switching device of a high voltage vacuum circuit breaker belonging to the technical field of accessories additionally arranged on circuit breakers. The high voltage vacuum circuit breaker includes an operating mechanism which comprises a mechanism side plate and an energy reserve shaft, one end of the energy reserve shaft stretches on the external side of the mechanism side plate after penetrating through the mechanism side plate, the breaker is characterized in that the auxiliary switching device includes cams, pressing boards and microswitches, the cams are disposed on the ends of the energy reserve shaft, the cams are provided with protruding parts, the microswitches are change-over switches which can be normally opened and closed without public point, more than one microswitches are fixed on the mechanism side plate, each microswitch is provided with a press button, the pressing boards are pivotedly joined to the mechanism side plate and is arranged between the cams and the microswitches, moreover, the pressing boards are respectively cooperated with the protruding parts on the cams and the press buttons on the microswitches. The utility model is advantageous in that a plurality of microswitches can be installed based on users needs, meanwhile, because the microswitches are change-over switches which can be normally opened and closed without public point, the users more needs can be met.
Description
Technical field
The utility model relates to a kind of high-pressure vacuum breaker auxiliary switchgear, is specially adapted on the indoor HVAC vacuum circuit breaker, belongs to the attachment technique field of setting up on circuit breaker.
Background technology
The indoor HVAC vacuum circuit breaker of original modular mechanism generally is matched in KYN28 metal enclosed switchgear, i.e. switch cubicle.Be used for control and protection power circuit.This kind indoor HVAC vacuum circuit breaker adopts integrated mechanism, and this mechanism is a spring operating mechanism, and the combined floodgate of vacuum circuit-breaker releases energy by switching-in spring and realizes.Therefore, the energy storage of supervision or control switching-in spring is with release can state, and the operation and the control of circuit breaker is had great significance.The energy storage state of original mechanism has a sensitive switch to indicate, promptly after the energy storage or release can after this sensitive switch normally-open normally-close contact conversion, as output, be used for the state supervision or the control of circuit breaker.In practice, the user often requires to provide more normally-open normally-close contact.For example: the energy storage indicator light on the switch cubicle needs a contact, needs a contact on the switch cubicle controller, needs a contact on the Long-distance Control.These loops often have different power supplys again.At this moment, one in original mechanism often opens, a normally closed sensitive switch with common point can not satisfy user's requirement.
Summary of the invention
The purpose of this utility model is that a kind of high-pressure vacuum breaker auxiliary switchgear will be provided, and it can need load onto a plurality of sensitive switches by the user, to satisfy the more requirement of user.
The purpose of this utility model reaches like this, a kind of high-pressure vacuum breaker auxiliary switchgear, described high-pressure vacuum breaker comprises operating mechanism, operating mechanism comprises mechanism's side plate, the energy storage axle, one axle head of described energy storage axle is stretched in the outside of mechanism's side plate after passing mechanism's side plate, be characterized in: described auxiliary switchgear, comprise cam, pressing board, sensitive switch, described cam is installed on the axle head of energy storage axle, on cam, has lug boss, described sensitive switch is one often to open the change over switch of a normally closed no common point, sensitive switch is more than one, be fixed on the described mechanism side plate, on each sensitive switch, has button respectively, described pressing board is pivotally connected on mechanism's side plate, and between cam and sensitive switch, be respectively applied for cam on lug boss, button on the sensitive switch cooperates.
In a specific embodiment of the present utility model, described high-pressure vacuum breaker also comprises a mounting bracket with auxiliary switchgear, described mounting bracket is fixed on mechanism's side plate, on mounting bracket, be provided with installation shaft, described sensitive switch is the stack shape and arranges, and place in the described mounting bracket, described installation shaft fixes with the mechanism side plate after passing a plurality of sensitive switches successively, is preset with to be used for the installing hole that fixes with installation shaft on described mechanism side plate.
In another specific embodiment of the present utility model, described pressing board is provided with rotation axis, corresponding hole pivot joint and spacing on one end of described rotation axis and the mounting bracket with jump ring, corresponding positioning hole articulates on the other end of rotation axis and the mechanism's side plate, makes the pressing board moving axis rotation that can rotate on mechanism's side plate.
In another specific embodiment of the present utility model, the axle head of described energy storage axle be provided be used for cam is spacing and be fixed on rotating shaft jump ring on the energy storage axle.
In another specific embodiment of the present utility model, described mounting bracket on mechanism's side plate, is preset with the screwed hole that is used for screw fit by screw on described mechanism side plate.
In of the present utility model and then specific embodiment, the installation width D of described mounting bracket is adjusted into the integral multiple of the width d of described sensitive switch according to the number of the sensitive switch of installing.
The utility model is because after adopting said structure, the beneficial effect that has: can select to install a plurality of sensitive switches according to user's needs, selected sensitive switch is one often to open the change over switch of a normally closed no common point simultaneously, thereby can satisfy the more requirement of user.
Description of drawings
Fig. 1 is an example structure figure of the present utility model.
Fig. 2 is the profile of sensitive switch of the present utility model, mounting bracket and mechanism's side plate.
Fig. 3 is the mated condition figure of high-pressure vacuum breaker auxiliary switchgear when energy storage.
Fig. 4 is the mated condition figure of high-pressure vacuum breaker auxiliary switchgear after releasing energy.
Fig. 5 is installed on schematic diagram in the high-pressure vacuum breaker mechanism for the utility model.
Wherein: 1. mounting bracket, 11. installation shaft, 12. holes; 2. sensitive switch, 21. buttons; 3. pressing board, 31. rotation axiss, 32. medial surfaces, 33. lateral surfaces; 4. cam, 41. lug bosses; 5. energy storage axle, 51. axle heads; 6. rotating shaft jump ring; 7. mechanism's side plate, 71. screwed holes, 72. installing holes, 73. location holes; 8. screw; 9. jump ring; 10. operating mechanism.
Embodiment
For the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present utility model and beneficial effect more, the applicant general elaborates in conjunction with the accompanying drawings in the mode of embodiment below, but to the description of embodiment all is not restriction to the utility model scheme, any according to the utility model design done only for pro forma but not substantial equivalent transformation all should be considered as the technical solution of the utility model category.
See also Fig. 1 and in conjunction with Fig. 2, Fig. 5, a kind of high-pressure vacuum breaker auxiliary switchgear of the utility model, described high-pressure vacuum breaker comprises operating mechanism 10, operating mechanism 10 comprises mechanism's side plate 7, energy storage axle 5, one axle head 51 of described energy storage axle 5 is stretched in the outside of mechanism's side plate 7 after passing mechanism's side plate 7, be preset with screwed hole 71, installing hole 72, location hole 73 on the described mechanism side plate 7, described auxiliary switchgear comprises cam 4, pressing board 3, sensitive switch 2 and mounting bracket 1.Described cam 4 is installed on the axle head 51 of energy storage axle 5 and is spacing fixing with rotating shaft jump ring 6, on cam 4, has lug boss 41, described sensitive switch 2 is one often to open the change over switch of a normally closed no common point, sensitive switch 2 has at least more than one, in the present embodiment, described sensitive switch is selected two for use, being the stack shape arranges, and place in the described mounting bracket 1, on each sensitive switch 2, has button 21 respectively, described mounting bracket 1 is fixed on the screwed hole 71 default on mechanism's side plate 7 by screw 8, riveted joint has installation shaft 11 on mounting bracket 1, installation shaft 11 is passed on the sensitive switch of two stacks the installing hole of presetting on the other end and the mechanism side plate 7 behind the corresponding hole 72 successively and is matched, and is used for fixing sensitive switch 2.The installation width D (shown in Figure 2) of described mounting bracket 1 is adjusted into the integral multiple of the width d of described sensitive switch 2 according to the number of the sensitive switch of installing, in the present embodiment, because sensitive switch 2 has two, therefore the installation width D of described mounting bracket 1 should be the twice of the width d of sensitive switch 2.One face down bonding of described pressing board 3 is connected to rotation axis 31, one end of rotation axis 31 passes hole 12 default on the mounting bracket 1, and 12 inside and outside both sides all have jump ring 9 to limit rotation axis 31 in the hole, in the location hole 73 that the other end hub setting of rotation axis 31 is preset on mechanism's side plate 7, thereby pressing board 3 can be rotated within the specific limits.Mounted pressing board 3 is between cam 4 and sensitive switch 2, and the lateral surface 33 that makes pressing board 3 is corresponding to described cam 4 one sides, and the medial surface 32 of pressing board 3 is corresponding to described sensitive switch 2 one sides.
See also Fig. 3, when the high-pressure vacuum breaker energy storage, energy storage axle 5 is being followed thermal energy storage process and is being rotated, energy storage axle 5 forwards the energy storage position to after the high-pressure vacuum breaker energy storage puts in place, at this moment, the lateral surface 33 of the lug boss 41 pushing pressing boards 3 of cam 4, pressing board 3 turns over certain angle, by the button 21 on the medial surface 32 pushing sensitive switches 2 of pressing board 3, thereby the break-make of the switching contact in the sensitive switch 2 is changed.
See also Fig. 4, after high-pressure vacuum breaker released energy, energy storage axle 5 was rotated further, and the lug boss 41 of cam 4 is no longer oppressed the lateral surface 33 of pressing board 3 at this moment.The button 21 of sensitive switch 2 is because runback power is recovered the ejection state, thereby makes contact break-make in the sensitive switch 2 return to the state of no external force effect.And under the effect of runback power, button 21 promotes the medial surface 32 of pressing board 3, makes pressing board 3 return to the state of cam extruding.
Claims (6)
1. high-pressure vacuum breaker auxiliary switchgear, described high-pressure vacuum breaker comprises operating mechanism (10), described operating mechanism (10) comprises mechanism's side plate (7), energy storage axle (5), one axle head (51) of described energy storage axle (5) is stretched in the outside of mechanism's side plate (7) after passing mechanism's side plate (7), it is characterized in that described auxiliary switchgear comprises cam (4), pressing board (3), sensitive switch (2), described cam (4) is installed on the axle head (51) of energy storage axle (5), on cam (4), has lug boss (41), described sensitive switch (2) is more than one, be fixed on the described mechanism side plate (7), on each sensitive switch (2), has button (21) respectively, described pressing board (3) is pivotally connected on mechanism's side plate (7), and be positioned between cam (4) and the sensitive switch (2), be respectively applied for cam (4) on lug boss (41), button (21) on the sensitive switch (2) cooperates.
2. high-pressure vacuum breaker auxiliary switchgear according to claim 1, it is characterized in that described auxiliary switchgear also comprises a mounting bracket (1), described mounting bracket (1) is fixed on mechanism's side plate (7), on mounting bracket (1), be provided with installation shaft (11), described sensitive switch places in the described mounting bracket (1), described installation shaft (11) fixes with mechanism's side plate (7) passing a plurality of sensitive switches (2) backs successively, is preset with to be used for the installing hole (72) that fixes with installation shaft (11) on described mechanism side plate (7).
3. high-pressure vacuum breaker auxiliary switchgear according to claim 1 and 2, it is characterized in that described pressing board (3) is provided with rotation axis (31), one end of described rotation axis (31) and mounting bracket (1) are gone up corresponding hole (12) pivot joint and spacing with jump ring (9), the other end of rotation axis (31) and mechanism's side plate (7) are gone up corresponding positioning hole (73) and are articulated, and pressing board (3) moving axis (31) that can rotate on mechanism's side plate (7) is rotated.
4. high-pressure vacuum breaker auxiliary switchgear according to claim 1, the axle head (51) that it is characterized in that described energy storage axle (5) be provided be used for cam (4) is spacing and be fixed on rotating shaft jump ring (6) on the energy storage axle (5).
5. high-pressure vacuum breaker auxiliary switchgear according to claim 1, it is characterized in that described mounting bracket (1) is fixed on mechanism's side plate (7) by screw (8), on described mechanism side plate (7), be preset with and be used for the screwed hole (71) that cooperates with screw (8).
6. high-pressure vacuum breaker auxiliary switchgear according to claim 2 is characterized in that the installation width D of described mounting bracket (1) is adjusted into the integral multiple of the width d of described sensitive switch (2) according to the number of the sensitive switch of installing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020280016XU CN201749816U (en) | 2010-07-30 | 2010-07-30 | Auxiliary switching device of high voltage vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020280016XU CN201749816U (en) | 2010-07-30 | 2010-07-30 | Auxiliary switching device of high voltage vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201749816U true CN201749816U (en) | 2011-02-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020280016XU Expired - Lifetime CN201749816U (en) | 2010-07-30 | 2010-07-30 | Auxiliary switching device of high voltage vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201749816U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112992611A (en) * | 2019-12-16 | 2021-06-18 | 天津平高智能电气有限公司 | Rotary tool for breaker frame |
-
2010
- 2010-07-30 CN CN201020280016XU patent/CN201749816U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112992611A (en) * | 2019-12-16 | 2021-06-18 | 天津平高智能电气有限公司 | Rotary tool for breaker frame |
| CN112992611B (en) * | 2019-12-16 | 2022-12-27 | 天津平高智能电气有限公司 | Rotary tool for frame of circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110216 |
|
| CX01 | Expiry of patent term |