CN113643916A - Slide-in type dual-power transfer switch - Google Patents
Slide-in type dual-power transfer switch Download PDFInfo
- Publication number
- CN113643916A CN113643916A CN202110913598.3A CN202110913598A CN113643916A CN 113643916 A CN113643916 A CN 113643916A CN 202110913598 A CN202110913598 A CN 202110913598A CN 113643916 A CN113643916 A CN 113643916A
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- push plate
- static contact
- plate
- slide
- drawer
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- 230000003068 static effect Effects 0.000 claims abstract description 36
- 230000033001 locomotion Effects 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims description 23
- 230000009977 dual effect Effects 0.000 claims description 15
- 238000005192 partition Methods 0.000 claims description 9
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000009286 beneficial effect Effects 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
- 238000000034 method Methods 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
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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
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Slide Switches (AREA)
- Switches With Compound Operations (AREA)
Abstract
The invention relates to a slide-in type dual-power transfer switch, wherein a fixed contact seat is fixedly arranged on a bottom plate, an upper static contact and a lower static contact are fixed on the fixed contact seat, the upper static contact and the lower static contact form a fracture, the slide-in type dual-power transfer switch also comprises a fork plate hinged to a rotating shaft, the fork plate rotates clockwise, a driving piece positioned on a first power supply side is driven by a first connecting rod mechanism to move from a left push plate of a first push plate to a right push plate of the first push plate, the fork plate rotates anticlockwise, a driving piece positioned on a second power supply side is driven by a second connecting rod mechanism to move from the right push plate of a second push plate to a left push plate of the second push plate, the left and right linear motions of the first push plate and the second push plate are converted into the front and back linear motions of a movable contact bridge drawer by a motion steering mechanism, and a bridging piece on the movable contact bridge drawer is used for bridging the upper static contact and the lower static contact. The driving piece translates left and right in the horizontal direction, and the driving piece translates front and back to the bridging piece in the movable contact bridge drawer, connects the fracture or keeps away from the fracture, and is simple in structure.
Description
Technical Field
The invention relates to a slide-in type dual-power transfer switch.
Background
The double-power-supply change-over switch is an electric switch of a circuit in which a common power supply and a standby power supply are alternately communicated. The traditional dual-power transfer switch adopts a clapper type structure, a movable contact frame drives a movable contact bridge to be in bridge connection with an upper static contact and a lower static contact, and the movable contact frame is also provided with a mechanism capable of pressing the movable contact to the static contact. The dual power transfer switch has the following defects: because the contact pressing mechanism has a plurality of parts, if the mechanism is aged or even broken, the electric connection of the moving contact and the static contact is poor, and arcing or even burning is easy to occur in the assembling and using process.
Disclosure of Invention
In view of this, the present invention provides a slide-in dual power transfer switch, which has a simple structure and can effectively ensure the electrical contact performance of the moving contact and the stationary contact.
In order to achieve the above purpose, the slide-in dual power transfer switch comprises a bottom plate, a stationary contact seat is fixedly installed on the bottom plate, an upper stationary contact and a lower stationary contact are fixed on the stationary contact seat, a fracture is formed between the upper stationary contact and the lower stationary contact, the slide-in dual power transfer switch further comprises a fork plate hinged to a rotating shaft, the fork plate rotates clockwise, a driving piece located on a first power supply side is driven by a first connecting rod mechanism to move from a left push plate of a first push plate to a right push plate of the first push plate, the fork plate rotates anticlockwise, a driving piece located on a second power supply side is driven by a second connecting rod mechanism to move from a right push plate of a second push plate to a left push plate of the second push plate, and the left-right linear motion of the first push plate and the second push plate is converted into the front-back linear motion of a movable contact bridge drawer by a motion steering mechanism, the bridging piece on the movable contact bridge drawer is used for bridging the upper static contact piece and the lower static contact piece.
Compared with the prior art, the invention has the beneficial technical effects that: through the setting of above structure, by the driving piece that the rotation axis drove first link mechanism or second link mechanism's driving piece translation about horizontal for translation around the bridging piece in the movable contact bridge drawer connects the fracture or keeps away from the fracture, and first power is closed, the closed three station of two divisions and second power is pressed, is in the same direction as contrary switching, simple structure.
Particularly, first catch plate, second catch plate adopt the structure of left and right mirror symmetry, first catch plate extend the inserted sheet, the inserted sheet on form the unanimous first oblique guide block of slope and the oblique guide block of second, the movable contact bridge drawer have the slot, the last inner wall of slot and lower inner wall on form in the first track and the second track of the oblique guide block adaptation of first oblique guide block, second. 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.
Particularly, the fixed contact seat is provided with a sliding groove, the movable contact bridge drawer is provided with a sliding guide strip matched with the sliding groove, and the movable contact bridge drawer runs in the depth direction of the fixed contact seat. Through the arrangement of the structure, the sliding groove serves as a sliding track of the movable contact bridge drawer, and convenience is provided for the forward and backward movement of the movable contact bridge drawer.
Particularly, the fixed contact seat extends out of partition plates for separating at intervals, the periphery of each phase contact piece of the movable contact bridge drawer is provided with a protection plate, and slots matched with the partition plates are formed among the protection plates at intervals. Through the arrangement of the structure, the partition plate and the protection plate form a partition between adjacent phases, and the electrical insulation performance is improved.
Particularly, each phase on the movable contact bridge drawer is provided with two jacks, a bridging piece is arranged in each jack, a pressure spring is arranged on the outer side of each bridging piece, and two ends of each pressure spring respectively act on two ends of each bridging piece. Through the arrangement of the structure, the pressure spring can ensure that the connection of the bridging piece, the upper static contact piece and the lower static contact piece is more reliable.
Particularly, the static contact seat of the first power supply and the static contact seat of the second power supply are designed in an integrated manner. Through the arrangement of the structure, the structure is neat, and the installation is convenient.
Particularly, the slide-in dual-power transfer switch comprises two limiting windows, the two limiting windows are respectively and fixedly installed with a static contact seat of a first power supply and a static contact seat of a second power supply, and the limiting windows are provided with slotted holes for inserting pieces to pass through. Through the arrangement of the structure, the limiting window can be used as the front end limiting of the movable contact bridge drawer, so that the movable contact bridge drawer is prevented from moving forwards excessively to influence the electric connection performance of the contact.
Particularly, under the state of two divisions, first link mechanism with second link mechanism be and control the mirror image setting, first link mechanism include transmission arm, lower transmission arm and pull rod, the one end of last transmission arm, the one end of lower transmission arm and the one end of pull rod articulate in the driving piece jointly, the other end of last transmission arm articulate in the upper shaft of restriction window, the other end of lower transmission arm articulate in the lower shaft of restriction window, the other end of pull rod be connected with the end of fork board, last transmission arm on with driving piece articulated position be the bar hole, the pull rod on with fork board articulated position be the bar slot hole. Through the arrangement of the structure, a transmission basis is provided for the three stations of the first power supply closing, the double-split and the second power supply closing according to the times and the clockwise and anticlockwise switching.
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 present invention with the cover plate removed;
FIG. 3 is an exploded view of the stationary contact block, the movable contact bridge drawer, the check window and the push plate in an embodiment of the present invention;
FIG. 4 is a perspective view of a moveable contact bridge drawer in accordance with an embodiment of the present invention;
FIG. 5 is a perspective view of a pusher plate in an embodiment of the present invention;
fig. 6 is a right side sectional view in an embodiment of the invention.
In the figure: 1. a rotating shaft; 10. a stationary contact base; 121. a chute; 122. a partition plate; 123. a lower static contact; 124. an extension bracket; 125. an upper static contact piece; 11. a fork plate; 12. a pull rod; 13. a lower drive arm; 14. an upper transmission arm; 15. a drive member; 20. a base plate; 2. a first power supply unit; 3. a second power supply unit; 30. a first push plate; 31. a second pusher plate; 311. a left push plate; 312. a right push plate; 313. inserting sheets; 314. a first inclined guide block; 315. a second inclined guide block; 32. a limiting window; 33. a movable contact bridge drawer; 331. a slot; 332. sliding the guide bar; 333. a movable groove; 3331. a first track; 3332. a second track; 334. a jack; 335. a bridging piece; 336. and (5) pressing a spring.
Detailed Description
As shown in fig. 1 to 6, a slide-in dual power transfer switch comprises a bottom plate 20, a stationary contact seat 10 is fixedly installed on the bottom plate 20, an upper stationary contact 125 and a lower stationary contact 123 are fixed on the stationary contact seat 10, the upper stationary contact 125 and the lower stationary contact 123 form a break, the slide-in dual power transfer switch further comprises 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 a first push plate 30 to a right push plate 312 of the first push plate 30, the fork plate 11 rotates counterclockwise, a driving member located at a second power side is driven by a second link mechanism to move from the right push plate 312 of a second push plate 31 to the left push plate 311 of the second push plate 31, left-right linear motion of the first push plate 30 and the second push plate 31 is converted into front-back linear motion of a movable contact bridge drawer 33 by a motion steering mechanism, the bridge piece on the movable contact bridge drawer 33 is used for bridging the upper static contact piece 125 and the lower static contact piece 123.
The first pushing plate 30 and the second pushing plate 31 adopt a structure of left-right mirror symmetry, the first pushing plate 30 extends out of an insertion piece 313, a first oblique guide block 314 and a second oblique guide block 315 with the same slope are formed on the insertion piece 313, the movable contact bridge drawer 33 is provided with a slot 333, and a first track 3331 and a second track 3332 which are matched with the first oblique guide block 314 and the second oblique guide block 315 are formed on the upper inner wall and the lower inner wall of the slot 333.
The fixed contact seat 10 is provided with a sliding chute 121, the movable contact bridge drawer 33 is provided with a sliding guide strip 332 matched with the sliding chute 121, and the movable contact bridge drawer 33 runs in the depth direction of the fixed contact seat 10.
The fixed contact seat 10 extends to form a partition plate 122 for partitioning at intervals, the movable contact bridge drawer 33 is provided with a protection plate at the periphery of each contact piece, and a slot 331 matched with the partition plate 122 is formed between every two protection plates at intervals.
Each phase of the movable contact bridge drawer 33 is provided with two insertion holes 334, a bridge piece 335 is arranged in each insertion hole 334, a compression spring 336 is arranged on the outer side of each bridge piece 335, and two ends of each compression spring 336 respectively act on two ends of each bridge piece 335.
The static contact base 10 of the first power supply and the static contact base 10 of the second power supply are designed in an integrated manner.
The slide-in dual power transfer switch comprises two limiting windows 32, the two limiting windows 32 are respectively and fixedly installed with a fixed contact base 10 of a first power supply and a fixed contact base 10 of a second power supply, and the limiting windows 32 are provided with slot holes through which the insertion pieces 313 can pass.
Under the two state of dividing, first link mechanism and second link mechanism are left and right sides mirror image setting, first link mechanism includes transmission arm 13, lower transmission arm 14 and pull rod 12, go up the one end of 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 going up transmission arm 13 articulates in the upper shaft of limit window 32, the other end of lower transmission arm 14 articulates in the lower shaft of limit window 32, the other end of pull rod 12 and the end-to-end connection of fork 11, the position of going up on transmission arm 13 and being articulated with driving piece 15 is the bar hole, the position of articulating with fork 11 on pull rod 12 is the bar slot hole.
Claims (8)
1. The utility model provides a slide-in dual power transfer switch, includes the bottom plate, its characterized in that: a static contact seat is fixedly arranged on the bottom plate, an upper static contact piece and a lower static contact piece are fixed on the static contact seat, the upper static contact and the lower static contact form a fracture, the slide-in dual-power-supply change-over switch also comprises a fork plate hinged on the rotating shaft, the fork plate rotates clockwise, the driving piece positioned at the first power supply side is driven by the first connecting rod mechanism to move from the left push plate of the first push plate to the right push plate of the first push plate, the fork plate rotates anticlockwise, the driving piece positioned at the second power supply side is driven by the 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 motion of the first pushing plate and the second pushing plate is converted into the front-back linear motion of the movable contact bridge drawer through the motion steering mechanism, and the bridging piece on the movable contact bridge drawer is used for bridging the upper static contact piece and the lower static contact piece.
2. The slide-in dual power transfer switch of claim 1, wherein: first catch plate, second catch plate adopt the structure of left and right sides mirror symmetry, first catch plate extend the inserted sheet, the inserted sheet on form the unanimous first oblique guide block of slope and the oblique guide block of second, the movable contact bridge drawer have the slot, the last inner wall of slot and lower inner wall on be formed with in the first track and the second track of the oblique guide block adaptation of first oblique guide block, second.
3. The slide-in dual power transfer switch of claim 2, wherein: the fixed contact seat is provided with a sliding groove, the movable contact bridge drawer is provided with a sliding guide strip matched with the sliding groove, and the movable contact bridge drawer runs in the depth direction of the fixed contact seat.
4. The slide-in dual power transfer switch of claim 3, wherein: the movable contact bridge drawer is characterized in that partition plates for separating at intervals extend out of the fixed contact seat, protection plates are arranged on the peripheries of the contact plates of the movable contact bridge drawer, and slots matched with the partition plates are formed among the protection plates at intervals.
5. The slide-in dual power transfer switch of claim 1, 2, 3 or 4, wherein: each phase of the movable contact bridge drawer is provided with two jacks, a bridging piece is arranged in each jack, a pressure spring is arranged on the outer side of each bridging piece, and two ends of each pressure spring respectively act on two ends of each bridging piece.
6. The slide-in dual power transfer switch of claim 5, wherein: the static contact seat of the first power supply and the static contact seat of the second power supply are designed in an integrated mode.
7. The slide-in dual power transfer switch of claim 6, wherein: the slide-in dual-power transfer switch comprises two limiting windows, wherein the two limiting windows 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 the limiting windows are provided with slotted holes for inserting pieces to pass through.
8. The slide-in dual power transfer switch of claim 6 or 7, wherein: under the two state of dividing, first link mechanism with second link mechanism be and control the mirror image setting, first link mechanism include transmission arm, lower transmission arm and pull rod, the one end of last transmission arm, the one end of lower transmission arm with the one end of pull rod articulate in the driving piece jointly, the other end of last transmission arm articulate in the upper shaft of restricted window, the other end of lower transmission arm articulate in the lower shaft of restricted window, the other end of pull rod and the end-to-end connection of fork board, last transmission arm on be the bar hole with driving piece articulated position, the pull rod on be the bar slot hole with fork board articulated position.
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 true CN113643916A (en) | 2021-11-12 |
| CN113643916B CN113643916B (en) | 2023-11-21 |
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| 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 |
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| 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 |
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| Publication number | Publication date |
|---|---|
| CN113643916B (en) | 2023-11-21 |
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