CN211045284U - Dual-power automatic transfer switch - Google Patents
Dual-power automatic transfer switch Download PDFInfo
- Publication number
- CN211045284U CN211045284U CN202020000451.6U CN202020000451U CN211045284U CN 211045284 U CN211045284 U CN 211045284U CN 202020000451 U CN202020000451 U CN 202020000451U CN 211045284 U CN211045284 U CN 211045284U
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- China
- Prior art keywords
- contact
- plate
- power supply
- plate body
- electromagnet
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- 230000009977 dual effect Effects 0.000 claims abstract description 10
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 8
- 244000309464 bull Species 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The utility model discloses a dual supply automatic transfer switch, which comprises a plate body and a main power supply, be fixed with the electro-magnet that is connected with the main power supply on the plate body one, the middle part of plate body is rotated and is connected with the commentaries on classics board, the one side that the commentaries on classics board is close to electro-magnet one is equipped with the permanent magnet, fixedly connected with baffle on the plate body, change fixedly connected with expanding spring between board and the baffle, the plate body is kept away from one side of electro-magnet one fixed with stand-by power supply, stand-by power supply's output is connected with contact one, the board is close to one side of contact one and is equipped. The utility model discloses taking place the problem at the main power supply, contact one and contact two contacts when rotating through changeing the board, carry out the automatic switch-over of power, avoided manual operation, simultaneously, contact one with contact two contact back electro-magnet two promote the limiting plate rotate spacing to the board, avoid changeing the board gyration, guarantee the reliable and stable of switching power supply work.
Description
Technical Field
The utility model relates to the technical field of switches, especially, relate to a dual supply automatic transfer switch.
Background
A switch is an electronic component that can open a circuit, interrupt current, or cause current to flow to other circuits. The most common switches are electromechanical devices operated by a person, in which there are one or several electrical contacts.
In order to avoid the situation that the load cannot be supplied with power due to power failure, a dual-power automatic transfer switch is generally adopted for switching the power supply, and application number CN108666158A discloses a dual-power automatic transfer switch, which comprises a rack; the movable contact assembly is provided with a movable contact support frame and a movable contact, one end of the movable contact support frame is pivotally fixed on the rack, and the other end of the movable contact support frame is provided with a movable contact; the first static contact is electrically connected with a first power supply; the second fixed contact is electrically connected with a second power supply, and the moving contact can pivot among a closed position with the first fixed contact, a closed position with the second fixed contact and a double-division position; although the dual power supply can be switched, manual operation is required, and the load cannot be supplied with power in time.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem in the background art, and the dual supply automatic transfer switch who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a dual supply automatic transfer switch, includes plate body and main power supply, be fixed with the electro-magnet I of being connected with the main power supply on the plate body, the middle part of plate body is rotated and is connected with the commentaries on classics board, the one side that changes the board and be close to electro-magnet I is equipped with the permanent magnet, fixedly connected with baffle on the plate body, change fixedly connected with expanding spring between board and the baffle, the plate body is kept away from one side of electro-magnet I fixed with stand-by power supply, stand-by power supply's output is connected with contact I, the one side that changes the board and be close to contact I is equipped with contact one assorted contact two, be equipped.
Preferably, a bearing is fixedly embedded in the plate body, a rotating rod is fixed on the outer wall of the end part of the rotating plate, and the rotating rod is inserted in the bearing.
Preferably, the limiting mechanism comprises a limiting plate which is rotatably connected with the plate body and is positioned on the lower side of the rotating plate, and a return spring is fixedly connected between the upper end of the limiting plate and the outer wall of the plate body.
Preferably, a second electromagnet is fixed on the lower side wall of the plate body, and the second electromagnet is connected with the second contact through a lead.
Preferably, the limiting plate is composed of an upper plastic plate and a lower magnet plate.
Preferably, the magnetic attraction force between the first electromagnet and the permanent magnet is larger than the elastic force of the expansion spring.
Compared with the prior art, this dual supply automatic transfer switch's advantage lies in:
1. when the main power supply is connected with the electromagnet I for supplying power to the load, the rotating plate is pulled to rotate towards the electromagnet I through the magnetic attraction between the electromagnet I and the permanent magnet, and the contact I is far away from the contact II at the moment, namely, the load is supplied with power through the main power supply;
2. when the main power supply is in power failure due to an accident, the first electromagnet no longer attracts the permanent magnet, the rotating plate rotates towards one side of the standby power supply under the elastic force action of the telescopic spring and the reset spring, and when the first contact and the second contact are in contact connection, the standby power supply can be used for supplying power to a load;
3. after the first contact is connected with the second contact, the second electromagnet is connected with current to generate magnetic force opposite to the magnetism of the magnet plate, the upper end of the limiting plate is pushed to rotate towards the inner side to be contacted with the outer wall of the lower end of the rotating plate, the rotating plate is prevented from rotating reversely under the action of the elastic force of the telescopic spring and the reset spring, and the position of the rotating plate is fixed through one-time contact;
to sum up, the utility model discloses at the main power source emergence problem, contact one and contact two contacts when rotating through changeing the board, carry out the automatic switch-over of power, avoided manual operation, simultaneously, contact one with contact two contact back electro-magnet two promote the limiting plate rotate to the board spacing, avoid changeing the board gyration, guarantee to switch the reliable and stable of power work.
Drawings
Fig. 1 is a schematic structural diagram of a dual power automatic transfer switch provided by the present invention;
fig. 2 is the utility model provides a structural schematic diagram after being connected with stand-by power supply in dual supply automatic transfer switch.
In the figure: the device comprises a plate body 1, a first electromagnet 2, a rotating plate 3, a permanent magnet 4, a standby power supply 5, a first contact 6, a second contact 7, a baffle 8, a telescopic spring 9, a magnet plate 10, a return spring 11 and a second electromagnet 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, a dual power supply automatic transfer switch, includes plate body 1 and main power supply, is fixed with the electro-magnet 2 of being connected with the main power supply on the plate body 1, and the middle part of plate body 1 rotates and is connected with commentaries on classics board 3, and the fixed bearing that is equipped with that inlays on the plate body 1, is fixed with the bull stick on the tip outer wall of commentaries on classics board 3, and the bull stick is inserted and is established in the bearing, and commentaries on classics board 3 carries out the bearing in the bearing through the bull stick, and the bearing plays the.
One side of the rotating plate 3 close to the first electromagnet 2 is provided with a permanent magnet 4, a baffle plate 8 is fixedly connected to the plate body 1, an expansion spring 9 is fixedly connected between the rotating plate 3 and the baffle plate 8, the magnetic attraction force between the first electromagnet 2 and the permanent magnet 4 is larger than the elastic force of the expansion spring 9, further, the magnetic attraction force between the first electromagnet 2 and the permanent magnet 4 is larger than the sum of the elastic force of the expansion spring 9 and the elastic force of a reset spring 11, through magnetic adsorption, it is ensured that the first contact 6 is not in contact with the second contact 7, one side of the plate body 1 far away from the first electromagnet 2 is fixed with a standby power supply 5, the output end of the standby power supply 5 is connected with the first contact 6, one side of the rotating plate 3 close to the.
When the main power supply is connected with the first electromagnet 2 for load power supply, the rotating plate 3 is pulled to rotate towards the first electromagnet 2 through the magnetic attraction between the first electromagnet 2 and the permanent magnet 4, at the moment, the first contact 6 is far away from the second contact 7, the telescopic spring 9 is in a stretching state, and the reset spring 11 is in a compressing state.
The main power supply and the second contact 7 are both connected with an external load, when the main power supply is in power failure due to an accident, the electromagnet I2 loses magnetism, the permanent magnet 4 is not attracted any more, the rotating plate 3 rotates towards one side of the standby power supply 5 under the elastic force action of the telescopic spring 9 and the return spring 11, and when the first contact 6 is in contact connection with the second contact 7, the standby power supply 5 can be used for supplying power to the load.
A limiting mechanism is arranged between the lower side of the plate body 1 and the rotating plate 3, the limiting mechanism comprises a limiting plate which is rotatably connected with the plate body 1 and is positioned at the lower side of the rotating plate 3, the limiting plate consists of a plastic plate at the upper end and a magnet plate 10 at the lower end, a reset spring 11 is fixedly connected between the upper end of the limiting plate and the outer wall of the plate body 1, an electromagnet II 12 is fixed on the lower side wall of the plate body 1, the electromagnet II 12 is connected with a contact II 7 through a lead, after the contact I6 is connected with the contact II, the second electromagnet 12 is connected with the standby power supply 5, the second electromagnet 12 is connected with current to generate magnetic force opposite to the magnetic force of the magnet plate 10, the limiting plate is pushed to rotate, the upper end of the limiting plate rotates towards the inner side to be in contact with the outer wall of the lower end of the rotating plate 3, the rotating plate 3 is prevented from rotating reversely under the elastic force action of the expansion spring 9 and the reset spring 11, the position of the rotating plate 3 is fixed through one-time contact, and power supply switching is more stable and reliable.
Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.
Now, the operation principle of the present invention is explained as follows:
when a main power supply is connected with an electromagnet I2 for supplying power to a load, a rotating plate 3 is pulled to rotate towards the electromagnet I2 through magnetic attraction between the electromagnet I2 and a permanent magnet 4, at the moment, a contact I6 is far away from a contact II 7, an extension spring 9 is in a stretching state, a return spring 11 is in a compression state, when the main power supply is in power failure due to an accident, the electromagnet I2 loses magnetism and does not attract the permanent magnet 4 any more, the rotating plate 3 rotates towards one side of a standby power supply 5 under the action of the elastic force of the extension spring 9 and the return spring 11, when the contact I6 is in contact connection with the contact II 7, the electromagnet II 12 is switched on to generate magnetic force opposite to the magnetic force of a magnet plate 10 to push a limiting plate to rotate, the upper end of the limiting plate rotates towards the inner side and is in contact with the outer wall of the lower end of the rotating plate, the power supply can be fixed by one-time contact, and the power supply switching work is stable.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A dual-power automatic transfer switch comprises a plate body (1) and a main power supply, and is characterized in that, an electromagnet I (2) connected with a main power supply is fixed on the plate body (1), a rotating plate (3) is rotatably connected in the middle of the plate body (1), one side of the rotating plate (3) close to the electromagnet I (2) is provided with a permanent magnet (4), a baffle plate (8) is fixedly connected on the plate body (1), an extension spring (9) is fixedly connected between the rotating plate (3) and the baffle plate (8), one side of the plate body (1) far away from the electromagnet I (2) is fixed with a standby power supply (5), the output end of the standby power supply (5) is connected with a first contact (6), one side of the rotating plate (3) close to the first contact (6) is provided with a second contact (7) matched with the first contact (6), a limiting mechanism is arranged between the lower side of the plate body (1) and the rotating plate (3).
2. The dual-power automatic transfer switch according to claim 1, wherein a bearing is fixedly embedded in the plate body (1), a rotating rod is fixed on an outer wall of an end portion of the rotating plate (3), and the rotating rod is inserted in the bearing.
3. The dual-power automatic transfer switch of claim 1, wherein the limiting mechanism comprises a limiting plate rotatably connected with the plate body (1) and located on the lower side of the rotating plate (3), and a return spring (11) is fixedly connected between the upper end of the limiting plate and the outer wall of the plate body (1).
4. The dual-power automatic transfer switch according to claim 1, wherein a second electromagnet (12) is fixed on the lower side wall of the plate body (1), and the second electromagnet (12) is connected with the second contact (7) through a lead.
5. The dual power automatic transfer switch of claim 3, wherein the limiting plate is composed of an upper plastic plate and a lower magnetic plate (10).
6. The dual-power automatic transfer switch of claim 1, wherein the magnetic attraction force between the electromagnet I (2) and the permanent magnet (4) is larger than the elastic force of the expansion spring (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020000451.6U CN211045284U (en) | 2020-01-02 | 2020-01-02 | Dual-power automatic transfer switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020000451.6U CN211045284U (en) | 2020-01-02 | 2020-01-02 | Dual-power automatic transfer switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211045284U true CN211045284U (en) | 2020-07-17 |
Family
ID=71537793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020000451.6U Expired - Fee Related CN211045284U (en) | 2020-01-02 | 2020-01-02 | Dual-power automatic transfer switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211045284U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114074053A (en) * | 2021-12-20 | 2022-02-22 | 合肥河钢新材料科技有限公司 | Double-coating machine set for zero-time switching coating |
| CN116166110A (en) * | 2023-01-04 | 2023-05-26 | 江苏电子信息职业学院 | Computer outage protection device based on artificial intelligence information security |
-
2020
- 2020-01-02 CN CN202020000451.6U patent/CN211045284U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114074053A (en) * | 2021-12-20 | 2022-02-22 | 合肥河钢新材料科技有限公司 | Double-coating machine set for zero-time switching coating |
| CN114074053B (en) * | 2021-12-20 | 2022-10-28 | 合肥河钢新材料科技有限公司 | Double-coating machine set for zero-time switching coating |
| CN116166110A (en) * | 2023-01-04 | 2023-05-26 | 江苏电子信息职业学院 | Computer outage protection device based on artificial intelligence information security |
| CN116166110B (en) * | 2023-01-04 | 2023-07-21 | 江苏电子信息职业学院 | Computer outage protection device based on artificial intelligence information security |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200717 |
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| CF01 | Termination of patent right due to non-payment of annual fee |