CN113643916B - Slide-in type double-power-supply change-over switch - Google Patents
Slide-in type double-power-supply change-over switch Download PDFInfo
- Publication number
- CN113643916B CN113643916B CN202110913598.3A CN202110913598A CN113643916B CN 113643916 B CN113643916 B CN 113643916B CN 202110913598 A CN202110913598 A CN 202110913598A CN 113643916 B CN113643916 B CN 113643916B
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- China
- Prior art keywords
- push plate
- plate
- static contact
- drawer
- bridge
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- 230000003068 static effect Effects 0.000 claims abstract description 51
- 230000033001 locomotion Effects 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims description 22
- 230000009977 dual effect Effects 0.000 claims description 7
- 238000005192 partition Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
Classifications
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
-
- 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
- H01H9/02—Bases, casings, or covers
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Slide Switches (AREA)
- Switches With Compound Operations (AREA)
Abstract
The invention relates to a slide-in double-power-supply change-over switch, which comprises a fixed contact seat fixedly arranged on a bottom plate, an upper static contact and a lower static contact which form a fracture, a fork plate hinged to a rotating shaft, a driving piece positioned at a first power supply side is driven to move from a left push plate of the first push plate to a right push plate of the first push plate by a first connecting rod mechanism, the fork plate is driven to rotate anticlockwise, a driving piece positioned at a second power supply side is driven to move from the right push plate of the second push plate to the left push plate of the second push plate by a second connecting rod mechanism, and the left-right linear movement of the first push plate and the second push plate is converted into front-rear linear movement of a movable contact bridge drawer by a movement steering mechanism. The driving piece transversely translates left and right, translates back and forth into the bridging piece in the movable contact bridge drawer, and is connected with or far away from the fracture, and the structure is simple.
Description
Technical Field
The invention relates to a slide-in dual-power transfer switch.
Background
The double-power change-over switch is an electric switch for alternately connecting a common power supply and a standby power supply to a circuit. The traditional double-power transfer switch adopts a clapping structure, a movable contact frame is used for bridging an upper static contact and a lower static contact by a movable contact bridge, and a mechanism capable of pressing a movable contact to the static contact is further arranged on the movable contact frame. The defects of the double-power transfer switch are that: because the contact compacting mechanism has a plurality of parts, if the mechanism is aged or even fails in the assembly and use process, the electrical connection of the moving contact and the static contact is poor, and arcing or even burning is easy to occur.
Disclosure of Invention
Therefore, the invention aims to provide the slide-in type dual-power transfer switch which has a simple structure and can effectively ensure the electrical contact performance of the moving contact and the static contact.
In order to achieve the above purpose, the invention adopts the slide-in double-power transfer switch, which comprises a bottom plate, wherein a static contact seat is fixedly arranged on the bottom plate, an upper static contact and a lower static contact are fixedly arranged on the static contact seat, the upper static contact and the lower static contact form a fracture, the slide-in double-power transfer switch also comprises a fork plate hinged with a rotating shaft, the fork plate rotates clockwise, a driving piece positioned at a first power side is driven by a first connecting rod mechanism to move from a left push plate of the first push plate to a right push plate of the first push plate, the fork plate rotates anticlockwise, a driving piece positioned at a second power side is driven by a second connecting rod mechanism to move from the right push plate of the second push plate to the left push plate of the second push plate, the left-right linear movement of the first push plate and the second push plate is converted into the front-back linear movement of a movable contact bridge drawer through a movement steering mechanism, the bridge piece on the movable contact bridge drawer is used for bridging the upper static contact piece and the lower static contact piece, in the double-division state, the first connecting rod mechanism and the second connecting rod mechanism are arranged in a left-right mirror image mode, the first connecting rod mechanism comprises an upper transmission arm, a lower transmission arm and a pull rod, one end of the upper transmission arm, one end of the lower transmission arm and one end of the pull rod are hinged to a driving piece together, the other end of the upper transmission arm is hinged to an upper shaft of a limiting window, the other end of the lower transmission arm is hinged to a lower shaft of the limiting window, the other end of the pull rod is connected with the tail end of a fork plate, the part of the upper transmission arm hinged to the driving piece is a strip-shaped hole, the part of the pull rod hinged to the fork plate is a strip-shaped long hole, each phase on the movable contact bridge drawer is provided with two jacks, the jack in set up the bridging piece, the outside of bridging piece have the pressure spring, the both ends of pressure spring act on respectively the both ends of bridging piece, the static contact seat of first power with the static contact seat of second power adopt the integral type design.
Compared with the prior art, the invention has the beneficial technical effects that: through the arrangement of the structure, the driving piece of the first connecting rod mechanism or the driving piece of the second connecting rod mechanism is driven by the rotating shaft to horizontally move left and right, so that the bridge piece in the movable contact bridge drawer horizontally moves forwards and backwards, the fracture is connected or kept away from the fracture, and the three stations of the first power supply closure, the double-part power supply closure and the second power supply closure are switched in sequence and in the reverse direction, so that the structure is simple; the pressure spring is designed, so that the bridge piece can be connected with the upper static contact piece and the lower static contact piece more reliably; and the static contact bases of the two power supplies are integrally designed, so that the structure is neat and the installation is convenient.
In particular, the first pushing plate and the second pushing plate adopt a structure of left-right mirror symmetry, the first pushing plate extends out of the inserting sheet, a first oblique guide block and a second oblique guide block with identical slopes are formed on the inserting sheet, the movable contact bridge drawer is provided with a slot, and a first track and a second track which are formed on the upper inner wall and the lower inner wall of the slot and are matched with the first oblique guide block and the second oblique guide block. Through the arrangement of the structure, the left-right translation motion of the pushing plate can be converted into the front-back motion of the movable contact bridge drawer.
Specifically, the static contact seat is provided with a sliding groove, the movable contact bridge drawer is provided with a sliding guide bar matched with the sliding groove, and the movable contact bridge drawer operates in the depth direction of the static contact seat. Through the arrangement of the structure, the sliding chute is used as a sliding track of the movable contact bridge drawer, and convenience is provided for the front-back movement of the movable contact bridge drawer.
Particularly, a baffle plate for inter-phase separation extends from the static contact seat, the periphery of each phase of contact piece of the movable contact bridge drawer is provided with a protection plate, and a slot matched with the baffle plate is formed between the protection plates at each phase. Through the arrangement of the structure, the partition plate and the protection plate form a partition between adjacent phases, so that the electrical insulation performance is improved.
In particular, the slide-in type dual-power transfer switch comprises two limiting windows which are fixedly installed with a static contact seat of a first power supply and a static contact seat of a second power supply respectively, and slotted holes through which inserting sheets can pass are formed in the limiting windows. Through the arrangement of the structure, the limiting window can be used as the front end of the movable contact bridge drawer to limit, so that the movable contact bridge drawer is prevented from moving forward excessively, and the electrical connection performance of the contacts is prevented from being influenced.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention;
FIG. 2 is a perspective view of an embodiment of the invention with the cover plate removed;
FIG. 3 is an exploded view of a stationary contact block, a movable contact bridge drawer, a restraining window and a pusher plate in an embodiment of the present invention;
FIG. 4 is a perspective view of a movable contact bridge drawer in an embodiment of the invention;
FIG. 5 is a perspective view of a pusher plate in an embodiment of the present invention;
fig. 6 is a right side cross-sectional view of an embodiment of the present invention.
In the figure: 1. a rotation shaft; 10. a static contact seat; 121. a chute; 122. a partition plate; 123. a lower static contact; 124. an extension bracket; 125. an upper static contact; 11. a fork plate; 12. a pull rod; 13. a lower transmission arm; 14. uploading a movable arm; 15. a driving member; 20. a bottom plate; 2. a first power supply unit; 3. a second power supply unit; 30. a first push plate; 31. a second pushing plate; 311. a left push plate; 312. a right push plate; 313. inserting sheets; 314. a first oblique guide block; 315. a second oblique guide block; 32. a limiting window; 33. a movable contact bridge drawer; 331. a slot; 332. sliding guide bars; 333. a movable groove; 3331. a first track; 3332. a second track; 334. a jack; 335. a bridge piece; 336. a compression spring.
Detailed Description
As shown in fig. 1 to 6, a slide-in dual power transfer switch includes a bottom plate 20, a fixed contact seat 10 is fixedly installed on the bottom plate 20, an upper static contact 125 and a lower static contact 123 are fixed on the fixed contact seat 10, the upper static contact 125 and the lower static contact 123 form a fracture, the slide-in dual power transfer switch further includes a fork plate 11 hinged to a rotating shaft 1, the fork plate 11 rotates clockwise, a driving member located at a first power side is driven by a first link mechanism to move from a left push plate 311 of the first push plate 30 to a right push plate 312 of the first push plate 30, the fork plate 11 rotates anticlockwise, a driving member located at a second power side is driven by a right push plate 312 of the second push plate 31 to move to a left push plate 311 of the second push plate 31, the left-right linear motion of the first push plate 30 and the second push plate 31 is converted into a front-rear linear motion of a movable contact bridge drawer 33 by a motion steering mechanism, and a bridge on the movable bridge drawer 33 is used for bridging the upper static contact 125 and the lower static contact 123.
The first pushing plate 30 and the second pushing plate 31 adopt a structure of mirror symmetry left and right, the first pushing plate 30 extends out of the inserting sheet 313, a first inclined guide block 314 and a second inclined guide block 315 with the same slope are formed on the inserting sheet 313, the movable contact bridge drawer 33 is provided with a slot 333, and a first rail 3331 and a second rail 3332 which are matched with the first inclined guide block 314 and the second inclined guide block 315 are formed on the upper inner wall and the lower inner wall of the slot 333.
The stationary contact holder 10 is provided with a sliding groove 121, the movable contact bridge drawer 33 is provided with a sliding guide bar 332 matched with the sliding groove 121, and the movable contact bridge drawer 33 runs in the depth direction of the stationary contact holder 10.
The static contact base 10 is extended with a baffle 122 for separating the phases, the periphery of each phase of contact piece of the movable contact bridge drawer 33 is provided with protection plates, and a slot 331 matched with the baffle 122 is formed between the protection plates at each phase.
Each phase on the movable contact bridge drawer 33 is provided with two jacks 334, a bridge piece 335 is arranged in each jack 334, a pressure spring 336 is arranged on the outer side of the bridge piece 335, and two ends of the pressure spring 336 respectively act on two ends of the bridge piece 335.
The static contact seat 10 of the first power supply and the static contact seat 10 of the second power supply are integrally designed.
The slide-in double-power transfer switch comprises two limiting windows 32, wherein the two limiting windows 32 are fixedly installed with the static contact seat 10 of the first power supply and the static contact seat 10 of the second power supply respectively, and slotted holes through which the inserting pieces 313 can pass are formed in the limiting windows 32.
Under the bipartition state, first link mechanism and second link mechanism are left and right sides mirror image setting, first link mechanism includes upper transmission arm 13, lower transmission arm 14 and pull rod 12, the one end of upper transmission arm 13, the one end of lower transmission arm 14 and the one end of pull rod 12 articulate in driving piece 15 jointly, the other end of upper transmission arm 13 articulates in the upper axle of limit window 32, the other end of lower transmission arm 14 articulates in the lower axle of limit window 32, the other end of pull rod 12 is connected with fork plate 11's end, the articulated position with driving piece 15 on the upper transmission arm 13 is the bar hole, the articulated position with fork plate 11 on the pull rod 12 is the bar slot hole.
Claims (5)
1. The utility model provides a slide-in type dual power change-over switch, includes bottom plate, its characterized in that: the base plate is fixedly provided with a fixed contact seat, the fixed contact seat is fixedly provided with an upper static contact and a lower static contact, the upper static contact and the lower static contact form a fracture, the sliding-in double-power transfer switch also comprises a fork plate hinged to a rotating shaft, the fork plate rotates clockwise, a driving piece positioned at a first power side is driven by a first connecting rod mechanism to move from a left push plate of the first push plate to a right push plate of the first push plate, the fork plate rotates anticlockwise, a driving piece positioned at a second power side is driven by a second connecting rod mechanism to move from a right push plate of the second push plate to a left push plate of the second push plate, the left-right linear motion of the first push plate and the second push plate is converted into front-back linear motion of a movable contact bridge drawer through a motion steering mechanism, a bridge piece positioned on the movable contact bridge drawer is used for bridging the upper static contact and the lower static contact, in the double-split state, the first connecting rod mechanism and the second connecting rod mechanism are arranged in a left-right mirror image mode, the first connecting rod mechanism comprises an upper transmission arm, a lower transmission arm and a pull rod, one end of the upper transmission arm, one end of the lower transmission arm and one end of the pull rod are hinged to a driving piece together, the other end of the upper transmission arm is hinged to an upper shaft of a limiting window, the other end of the lower transmission arm is hinged to a lower shaft of the limiting window, the other end of the pull rod is connected with the tail end of a fork plate, a part of the upper transmission arm hinged to the driving piece is a strip-shaped hole, a part of the pull rod hinged to the fork plate is a strip-shaped long hole, each phase of the movable contact bridge drawer is provided with two jacks, a bridge piece is arranged in each jack, the outer side of the bridge piece is provided with a pressure spring, the two ends of the pressure spring respectively act on the two ends of the bridge piece, and the static contact seat of the first power supply and the static contact seat of the second power supply are integrally designed.
2. The slide-in dual power transfer switch of claim 1, wherein: the first pushing plate and the second pushing plate adopt a structure of left-right mirror symmetry, the first pushing plate extends out of the inserting sheet, a first oblique guide block and a second oblique guide block with identical slopes are formed on the inserting sheet, the movable contact bridge drawer is provided with a slot, and a first track and a second track which are matched with the first oblique guide block and the second oblique guide block are formed on the upper inner wall and the lower inner wall of the slot.
3. The slide-in dual power transfer switch of claim 2, wherein: the movable contact bridge drawer is provided with a sliding guide bar matched with the sliding groove, and the movable contact bridge drawer moves in the depth direction of the static contact seat.
4. A slide-in dual power transfer switch as claimed in claim 3 wherein: the static contact seat is extended with a baffle plate for separating the phases, the periphery of each phase of contact piece of the movable contact bridge drawer is provided with a protection plate, and a slot matched with the baffle plate is formed between the protection plates at each phase.
5. The slide-in dual power transfer switch of claim 1, 2, 3 or 4, wherein: the slide-in type dual-power transfer switch comprises two limiting windows which are fixedly installed with a static contact seat of a first power supply and a static contact seat of a second power supply respectively, and slotted holes through which inserting sheets can pass are formed in the limiting windows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110913598.3A CN113643916B (en) | 2021-08-10 | 2021-08-10 | Slide-in type double-power-supply change-over switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110913598.3A CN113643916B (en) | 2021-08-10 | 2021-08-10 | Slide-in type double-power-supply change-over switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113643916A CN113643916A (en) | 2021-11-12 |
| CN113643916B true CN113643916B (en) | 2023-11-21 |
Family
ID=78420502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110913598.3A Active CN113643916B (en) | 2021-08-10 | 2021-08-10 | Slide-in type double-power-supply change-over switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113643916B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204441137U (en) * | 2015-01-17 | 2015-07-01 | 浙江德菱科技有限公司 | Double power supply automatic transfer switch |
| CN204480926U (en) * | 2015-02-03 | 2015-07-15 | 浙江正泰电器股份有限公司 | Be easy to the dual-power transfer switch assembled |
| WO2017167085A1 (en) * | 2016-03-30 | 2017-10-05 | 上海电科电器科技有限公司 | Internal feedback apparatus for control and protection of electrical switching device |
| CN206595175U (en) * | 2017-03-28 | 2017-10-27 | 盎迈智能科技（上海）有限公司 | The general dual-power transfer switch of push-pull type |
| CN207021172U (en) * | 2017-07-17 | 2018-02-16 | 富隆电气有限公司 | Dual-power transfer switch |
| CN109545595A (en) * | 2019-01-10 | 2019-03-29 | 常熟开关制造有限公司(原常熟开关厂） | A kind of locker and dual-power transfer switch of dual-power transfer switch |
| CN109545590A (en) * | 2019-01-10 | 2019-03-29 | 常熟开关制造有限公司(原常熟开关厂） | A kind of operating mechanism of dual-power transfer switch |
| CN215600267U (en) * | 2021-08-10 | 2022-01-21 | 雷顿电气科技有限公司 | Slide-in type dual-power transfer switch |
-
2021
- 2021-08-10 CN CN202110913598.3A patent/CN113643916B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204441137U (en) * | 2015-01-17 | 2015-07-01 | 浙江德菱科技有限公司 | Double power supply automatic transfer switch |
| CN204480926U (en) * | 2015-02-03 | 2015-07-15 | 浙江正泰电器股份有限公司 | Be easy to the dual-power transfer switch assembled |
| WO2017167085A1 (en) * | 2016-03-30 | 2017-10-05 | 上海电科电器科技有限公司 | Internal feedback apparatus for control and protection of electrical switching device |
| CN206595175U (en) * | 2017-03-28 | 2017-10-27 | 盎迈智能科技（上海）有限公司 | The general dual-power transfer switch of push-pull type |
| CN207021172U (en) * | 2017-07-17 | 2018-02-16 | 富隆电气有限公司 | Dual-power transfer switch |
| CN109545595A (en) * | 2019-01-10 | 2019-03-29 | 常熟开关制造有限公司(原常熟开关厂） | A kind of locker and dual-power transfer switch of dual-power transfer switch |
| CN109545590A (en) * | 2019-01-10 | 2019-03-29 | 常熟开关制造有限公司(原常熟开关厂） | A kind of operating mechanism of dual-power transfer switch |
| CN215600267U (en) * | 2021-08-10 | 2022-01-21 | 雷顿电气科技有限公司 | Slide-in type dual-power transfer switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113643916A (en) | 2021-11-12 |
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