CN113140416B - Driving mechanism of dual-power switch - Google Patents
Driving mechanism of dual-power switch Download PDFInfo
- Publication number
- CN113140416B CN113140416B CN202110463953.1A CN202110463953A CN113140416B CN 113140416 B CN113140416 B CN 113140416B CN 202110463953 A CN202110463953 A CN 202110463953A CN 113140416 B CN113140416 B CN 113140416B
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- arc
- driving
- shaped groove
- gear
- excitation
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- 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
- H01H3/40—Driving mechanisms, i.e. for transmitting driving force to the contacts using friction, toothed, or screw-and-nut gearing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/28—Power arrangements internal to the switch for operating the driving mechanism using electromagnet
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a driving mechanism of a dual-power switch, which comprises a driving plate, a first driving plate and a second driving plate, wherein a first excitation switch pushes the driving plate to rotate forwards through the first driving plate, and a second excitation switch pushes the driving plate to rotate backwards through the second driving plate; the drive plate is fixedly connected with the intermediate gear, the two sides of the intermediate gear are in transmission engagement with the first gear and the second gear, the first gear is fixedly connected with the first rotary plate, the first rotary plate is provided with a third arc-shaped groove, the first drive plate is provided with a fourth arc-shaped groove, a first swing arm connected with the first energy storage spring is provided with a first drive pin at the swinging end, the first drive plate is connected with a first rotary shaft, the second gear is fixedly connected with a second rotary plate, the second rotary plate is provided with a fifth arc-shaped groove, the second drive plate is provided with a sixth arc-shaped groove, a second swing arm connected with the second energy storage spring is provided with a second drive pin at the swinging end, and the second drive plate is connected with a second rotary shaft. The invention has simple and compact structure and is easy to realize the miniaturization of the switch.
Description
Technical Field
The invention relates to an electrical switch product, in particular to a driving mechanism of a dual-power switch.
Background
The actuating mechanism of dual power source switch has the three operating condition of closing a floodgate commonly used, reserve combined floodgate and two switchings, will realize dual power source change over switch's syllogic function at present, needs three excitation coil to promote switching mechanism and moves, and the overall structure of switch is complicated, need occupy great space, consequently is difficult to realize the switch miniaturization, and the switch cost also can improve, and the possibility of breaking down also can increase.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a driving mechanism for a dual power switch, which has a simple and compact structure and is easy to miniaturize the switch.
In order to achieve the purpose, the invention provides the following technical scheme: a driving mechanism of a dual-power switch comprises a first fixed contact communicated with a main power supply, a second fixed contact communicated with a standby power supply and a power switching mechanism, wherein a first moving contact is arranged on a first rotating shaft to control the opening and closing of the first fixed contact, a second moving contact is arranged on a second rotating shaft to control the opening and closing of the second fixed contact, the power switching mechanism comprises an excitation switch, an intermediate gear, a first gear, a second gear, a first driving disc and a second driving disc, the forward and reverse rotation of the intermediate gear is driven by the excitation switch, the first gear is fixedly connected with the first rotating disc, the first rotating disc is provided with a third arc-shaped groove, the first driving disc is provided with a fourth arc-shaped groove, a first swing arm connected with a first energy storage spring is provided with a first poking pin at a swing end, two ends of the first poking pin are movably arranged in the third arc-shaped groove and the fourth arc-shaped groove, the first driving disc is connected with a first rotating shaft, the second gear is fixedly connected with the second rotating disc, the second turntable is provided with a fifth arc-shaped groove, the second driving disc is provided with a sixth arc-shaped groove, a second swing arm connected with the second energy storage spring is provided with a second shifting pin at the swinging end, the two ends of the second shifting pin are movably arranged in the fifth and sixth arc-shaped grooves, and the second driving disc is connected with the second rotating shaft.
The number of the excitation switches is two, namely a first excitation switch and a second excitation switch, the first excitation switch pushes the driving plate to rotate in the forward direction through the first driving lever, the second excitation switch pushes the driving plate to rotate in the reverse direction through the second driving lever, and the driving plate is fixedly connected with the intermediate gear.
The first driving lever is movably arranged in a first arc-shaped groove of the dial, the second driving lever is movably arranged in a second arc-shaped groove of the dial, the return of the dial after forward rotation is completed by the second excitation switch through pushing the third driving lever, the return of the dial after reverse rotation is completed by the first excitation switch through pushing the fourth driving lever, and the third and fourth driving levers are fixedly connected with the dial.
The excitation switch comprises an excitation coil and a movable iron core, the excitation coil is wound on a coil framework, the movable iron core moves along the hollow of the coil framework, the two movable iron cores are connected with shifting pieces, and the movement of the shifting pieces drives the first shifting rod or the second shifting rod to move.
The power switching mechanism further comprises a rotatable manual gear piece, wherein teeth on the manual gear piece are in meshing transmission with the first gear or the second gear, and a handle is further arranged on the manual gear piece.
According to the structure, the intermediate gear is driven by the excitation switch to realize forward and reverse rotation, so that the power supply of the common power supply and the standby power supply is switched on and off respectively, the use states of common closing, standby closing and double switching can be formed between the common power supply and the standby power supply, and the structure is simple and compact, small in size and easy to realize switch miniaturization.
The invention is further described with reference to the accompanying drawings and detailed description.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention;
FIG. 2 is a partial default perspective view of an embodiment of the present invention;
FIG. 3 is a partially exploded perspective view of an embodiment of the present invention;
FIG. 4 is a view showing a structure of a transmission of a dial in the embodiment of the present invention;
fig. 5 is a structural relationship diagram of a moving contact and a stationary contact in the embodiment of the present invention.
Detailed Description
The present invention will now be described specifically by way of examples.
As shown in fig. 1 to 5, the driving mechanism of the dual power switch includes a first fixed contact 2 connected to a main power source, a second fixed contact 3 connected to a standby power source, a first movable contact 20 mounted on a first rotating shaft 21 for controlling the opening and closing of the first fixed contact 2, a second movable contact 30 mounted on a second rotating shaft 31 for controlling the opening and closing of the second fixed contact 3, and an excitation switch, the dial plate 40, the first driving disk 41 and the second driving disk 42, the number of the excitation switches is two, and the two excitation switches are respectively a first excitation switch 431 and a second excitation switch 432, the first excitation switch 431 pushes the dial plate 40 to rotate forward through a first driving rod 441, the first driving rod 441 is movably arranged in a first arc-shaped groove 61 of the dial plate 40, the second excitation switch 432 pushes the dial plate 40 to rotate reversely through a second driving rod 442, and the second driving rod 442 is movably arranged in a second arc-shaped groove 62 of the dial plate 40; the driving plate 40 is two, the first arc-shaped groove and the second arc-shaped groove are respectively arranged on the driving plate 40 which is in one-to-one correspondence, the driving plate 40 is fixedly connected with the intermediate gear 45, the two sides of the intermediate gear 45 are in transmission engagement with the first gear 461 and the second gear 462, the first gear 461 is fixedly connected with the first rotating disc 471, the first rotating disc 471 is provided with a third arc-shaped groove 63, the first driving disc 41 is provided with a fourth arc-shaped groove 64, the first swinging arm 491 connected with the first energy storage spring 481 is provided with a first pulling pin 4911 at the swinging end, the two ends of the first pulling pin 4911 are movably arranged in the third (63) and the fourth arc-shaped groove 64, the first driving disc 41 is connected with the first rotating shaft 21, the second gear 462 is fixedly connected with the second rotating disc 472, the second rotating disc 472 is provided with a fifth arc-shaped groove 65, the second driving disc 42 is provided with a sixth arc-shaped groove 66, the second swinging arm 492 connected with the second energy storage spring 482 is provided with a second pulling pin 4922 at the swinging end, the second driving plate 42 is connected to the second rotating shaft 31, and both ends of the second pulling pin 4922 are movably disposed in the fifth (65) and sixth arc-shaped slots 66.
The return after the forward rotation of the dial 40 is completed by the second excitation switch 432 by pushing the third lever 50, the return after the reverse rotation of the dial 40 is completed by the first excitation switch 431 by pushing the fourth lever 60, and the third and fourth levers 60 are fixedly connected with the dial 40.
The driving mechanism of the dual-power switch works as follows: in a double-brake state, when the first excitation switch 431 acts, the first driving lever 441 pushes the driving plate 40 to rotate forward at the first time, the first gear 461 and the second gear 462 rotate along with the first gear 461, and when the first gear 461 rotates at the initial stage, the first rotating disc 471 rotates reversely only through the third arc-shaped groove 63 to drive the first pulling pin 4911 to act, so that the first swing arm 491 swings reversely, and the first energy storage spring 481 performs energy storage action, at this time, due to the existence of the fourth arc-shaped groove 64, the first driving disc 41 does not act, and when the first swing arm 491 passes through the inflection point of the first energy storage spring 481, the first energy storage spring 481 quickly releases energy, and the first swing arm 491 rapidly swings forward to drive the first driving disc 41 and the first rotating shaft 21 to rotate reversely, so that the first movable contact 20 and the first static contact 2 are closed to realize common electric closing, and when the first swing arm rapidly swings forward, due to the existence of the third arc-shaped groove 491, therefore, the first rotating disc 471 does not rotate reversely any more, and the intermediate gear 45 and the dial 40 stay in place; in addition, in the process of the above-mentioned common electrical closing action, although the second gear 462 drives the second rotary table 472 to rotate reversely, since the fifth arc-shaped groove 65 of the second rotary table 472 makes a yielding action, the second swing arm 492 is not caused to swing by the reverse rotation of the second rotary table 472, the second energy storage spring 482 does not perform an energy storage action, the second driving disc 42 and the second rotating shaft 31 do not generate an action, and the corresponding second movable contact 30 does not generate an action; when the normal electrical switching-off is required, the second excitation switch 432 is actuated to push the third shift lever 50 to rotate the dial 40 reversely to return to the original position, and the switch returns to the double-switching-off state again. At this time, if the standby power switching-on is required, the second excitation switch 432 firstly operates, the dial 40 is pushed to rotate reversely through the second shift lever 442 for the first time, the first gear 461 and the second gear 462 rotate accordingly, the second gear 462 rotates in the initial stage, the reverse rotation of the second rotary table 472 drives the second shift pin 4922 to operate only through the fifth arc-shaped groove 65, so that the second swing arm 492 swings in the forward direction, the second energy storage spring 482 performs the energy storage operation, at this time, due to the existence of the sixth arc-shaped groove 66, the second drive disk 42 does not operate, when the second swing arm 492 passes through the inflection point of the second energy storage spring 482, the second energy storage spring 482 rapidly releases energy, the second swing arm 492 swings forward rapidly, the second drive disk 42 and the second drive shaft are driven to rotate in the forward direction, the second fixed contact 30 and the second fixed contact 3 are closed, the standby power switching-on is realized, when the movable contact of the second swing arm 492 swings forward rapidly, due to the fifth arc-shaped slot 65, the second rotating disc 472 does not rotate in the forward direction any more, and the intermediate gear 45 and the dial plate 40 stay in the original positions; in addition, in the process of the standby power closing action, although the first gear 461 drives the first rotating disc 471 to rotate reversely, since the third arc-shaped groove 63 of the first rotating disc 471 makes a yielding action, the first swinging arm 491 is not caused by the reverse rotation of the first rotating disc 471, the first energy storage spring 481 does not perform an energy storage action, the first driving disc 41 and the first rotating shaft 21 do not generate an action, and the corresponding first moving contact 20 does not generate an action; when the standby power is needed to be switched off, the first excitation switch 431 is actuated to push the fourth shift lever 60 to rotate the dial 40 forward and return to the original position, and the switch returns to the double-brake state again.
The excitation switch comprises an excitation coil (not shown in the figure) and a movable iron core 5, the excitation coil is wound on a coil framework 6, the movable iron core 5 moves along the hollow of the coil framework 6, the two movable iron cores 5 are connected with shifting pieces 7, the movement of the shifting pieces 7 drives the first shifting rod 441 or the second shifting rod 442 to move, and two return springs 8 are further arranged at the tail end of the movable iron core 5 for returning. The structure can enable the excitation coil to generate a magnetic field after being electrified, so that the magnetic field is used for adsorbing the movable iron core 5 to move linearly along the hollow of the framework, and further the first driving lever 441 or the second driving lever 442 is driven to move.
As shown in fig. 1 and 2, the power switching mechanism 4 further includes a rotatable manual blade 9, teeth on the manual blade 9 are in meshing transmission with the first gear 461 or the second gear 462, and the manual blade 9 is further provided with a handle, so that the states of a common switch-on state, a standby switch-on state and a double switch-off state can be realized manually when the excitation switch fails, and the operation is convenient.
By adopting the technical scheme, the intermediate gear realizes forward and reverse rotation through the driving of the excitation switch, so that the power supply of the common power supply and the standby power supply is switched on and off respectively, and the service states of common switch-on, standby switch-on and double switch-off can be formed between the common power supply and the standby power supply.
Claims (5)
1. Dual switch's actuating mechanism, characterized in that: the energy storage spring rotating device comprises an excitation switch, an intermediate gear, a first gear, a second gear, a first driving disk and a second driving disk, wherein the positive and negative rotation of the intermediate gear is driven by the excitation switch, the first gear is fixedly connected with the first rotating disk, the first rotating disk is provided with a third arc-shaped groove, the first driving disk is provided with a fourth arc-shaped groove, a first poking pin is arranged at the swinging end of a first swing arm connected with a first energy storage spring, the two ends of the first poking pin are movably arranged in the third arc-shaped groove and the fourth arc-shaped groove, the first driving disk is connected with a first rotating shaft, the second gear is fixedly connected with the second rotating disk, the second rotating disk is provided with a fifth arc-shaped groove, the second driving disk is provided with a sixth arc-shaped groove, a second poking pin is arranged at the swinging end of a second swing arm connected with a second energy storage spring, the two ends of the second poking pin are movably arranged in the fifth arc-shaped groove and the sixth arc-shaped groove, and the second driving disk is connected with a second rotating shaft.
2. The drive mechanism of the dual-power switch according to claim 1, characterized in that: the number of the excitation switches is two, namely a first excitation switch and a second excitation switch, the first excitation switch pushes the driving plate to rotate in the forward direction through the first driving lever, the second excitation switch pushes the driving plate to rotate in the reverse direction through the second driving lever, and the driving plate is fixedly connected with the intermediate gear.
3. The drive mechanism of the dual-power switch according to claim 2, characterized in that: the first driving lever is movably arranged in a first arc-shaped groove of the dial, the second driving lever is movably arranged in a second arc-shaped groove of the dial, the return of the dial after forward rotation is completed by the second excitation switch through pushing the third driving lever, the return of the dial after reverse rotation is completed by the first excitation switch through pushing the fourth driving lever, and the third and fourth driving levers are fixedly connected with the dial.
4. The drive mechanism of the dual-power switch according to claim 2, characterized in that: the excitation switch comprises an excitation coil and a movable iron core, the excitation coil is wound on a coil framework, the movable iron core moves along the hollow of the coil framework, the two movable iron cores are connected with shifting pieces, and the movement of the shifting pieces drives the first shifting rod or the second shifting rod to move.
5. The drive mechanism of the dual-power switch according to claim 1, characterized in that: the power switching mechanism further comprises a rotatable manual gear piece, wherein teeth on the manual gear piece are in meshing transmission with the first gear or the second gear, and a handle is further arranged on the manual gear piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110463953.1A CN113140416B (en) | 2021-04-28 | 2021-04-28 | Driving mechanism of dual-power switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110463953.1A CN113140416B (en) | 2021-04-28 | 2021-04-28 | Driving mechanism of dual-power switch |
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| Publication Number | Publication Date |
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| CN113140416A CN113140416A (en) | 2021-07-20 |
| CN113140416B true CN113140416B (en) | 2022-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110463953.1A Active CN113140416B (en) | 2021-04-28 | 2021-04-28 | Driving mechanism of dual-power switch |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104134559A (en) * | 2014-08-06 | 2014-11-05 | 浙江现代电气有限公司 | Automatic-switching switch |
| CN105261496A (en) * | 2015-10-21 | 2016-01-20 | 环宇集团有限公司 | Double-power-source automatic change-over switch |
| CN107275130A (en) * | 2017-06-09 | 2017-10-20 | 德力西电气有限公司 | A kind of switching device for double power supply automatic transfer switch |
| CN109686598A (en) * | 2019-01-24 | 2019-04-26 | 沈阳斯沃电器有限公司 | A kind of professional automatic change-over electric appliance with duplicate |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109509651B (en) * | 2017-09-15 | 2022-05-27 | Abb 瑞士股份有限公司 | Switching device and associated switch |
-
2021
- 2021-04-28 CN CN202110463953.1A patent/CN113140416B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104134559A (en) * | 2014-08-06 | 2014-11-05 | 浙江现代电气有限公司 | Automatic-switching switch |
| CN105261496A (en) * | 2015-10-21 | 2016-01-20 | 环宇集团有限公司 | Double-power-source automatic change-over switch |
| CN107275130A (en) * | 2017-06-09 | 2017-10-20 | 德力西电气有限公司 | A kind of switching device for double power supply automatic transfer switch |
| CN109686598A (en) * | 2019-01-24 | 2019-04-26 | 沈阳斯沃电器有限公司 | A kind of professional automatic change-over electric appliance with duplicate |
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| CN113140416A (en) | 2021-07-20 |
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