CN112216537A - High isolation voltage intelligence change over switch - Google Patents
High isolation voltage intelligence change over switch Download PDFInfo
- Publication number
- CN112216537A CN112216537A CN202011130008.1A CN202011130008A CN112216537A CN 112216537 A CN112216537 A CN 112216537A CN 202011130008 A CN202011130008 A CN 202011130008A CN 112216537 A CN112216537 A CN 112216537A
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- CN
- China
- Prior art keywords
- copper bar
- connecting copper
- contact
- screw rod
- upper connecting
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Classifications
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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
- H01H3/26—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/06—Contacts characterised by the shape or structure of the contact-making surface, e.g. grooved
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
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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
Abstract
The invention relates to a high-isolation-voltage intelligent change-over switch which comprises a frame body, wherein an upper layer copper bar and a lower layer copper bar are arranged in the frame body, a hollow outer screw rod and a hollow inner shaft are arranged at the center of the frame body, a sliding block is arranged on the outer screw rod, an upper connecting copper bar and a lower connecting copper bar which are parallel to each other are connected below the sliding block, the centers of the upper connecting copper bar and the lower connecting copper bar are in annular locking connection with the inner shaft, the upper connecting copper bar and the lower connecting copper bar have the same structure and comprise an insulating circular shell and contact copper bars arranged in the shell, two ends of each contact copper bar are of fan-shaped structures, the two sides of the shell are divided into two fan-shaped insulating surfaces by the contact copper bars, and a partition plate which is higher. It has not only realized intelligent automatic switch function to throw away the restriction problem of size and stroke, under the high frequency high voltage condition, can realize complete safe electric isolation, avoided the electrical safety danger.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of switching devices, in particular to a high-isolation-voltage intelligent change-over switch.
[ background of the invention ]
The isolating switch is a switch device which is mainly used for isolating a power supply and switching over, communicating and cutting off a current circuit and has no arc extinguishing function. When the isolating switch is in the separated position, the contacts have insulation distance meeting the specified requirements and are obviously disconnected; a switching device capable of carrying current in normal loop conditions and current in abnormal conditions (e.g., short circuit) for a specified period of time when in the closed position. The main characteristic of the isolating switch is that it has no arc-extinguishing capability, and can only open and close the circuit under the condition of no load current.
The isolator that uses at present is as shown in fig. 9, including insulating support body 1, be provided with upper copper bar and lower floor's copper bar that are parallel to each other in the support body 1, and the upper copper bar comprises last left copper bar 2 and last right copper bar 3, and lower floor's copper bar comprises lower left copper bar 4 and lower right copper bar 5, and the center of support body 1 is provided with movable rod 25 that can reciprocate, is provided with the last copper bar 14 of connecting and the lower copper bar 15 of connecting that are parallel to each other on the movable rod 25. When the movable rod is pressed down, the two sides of the upper connecting copper bar 14 are respectively contacted with the upper left copper bar 2 and the upper right copper bar 3, so that the conduction between the upper left copper bar 2 and the upper right copper bar 3 is realized, and the two sides of the lower connecting copper bar 15 are respectively contacted with the lower left copper bar 4 and the lower right copper bar 5, so that the conduction between the lower left copper bar 4 and the lower right copper bar 5 is realized.
The disadvantages of the currently used disconnectors are: 1. there is a lack of intelligent automated switching functionality. 2. Due to size and stroke limitations, the safety distance of common structures is at risk under high frequency and high voltage conditions. 3. If the movable rod is pressed down due to misoperation after the disconnecting switch is disconnected, the disconnected circuit can be connected, and electrical safety risks are caused.
[ summary of the invention ]
In order to solve the above problems, an object of the present invention is to provide an intelligent transfer switch with high isolation voltage, which can realize intelligent automation and avoid safety hazards.
In order to achieve the purpose, the invention adopts the technical scheme that: a high isolation voltage intelligent change-over switch comprises an insulating frame body, wherein an upper layer copper bar and a lower layer copper bar which are parallel to each other are arranged in the frame body, the upper layer copper bar consists of an upper left copper bar and an upper right copper bar, the lower layer copper bar consists of a lower left copper bar and a lower right copper bar, a hollow outer screw rod and an inner shaft which is arranged in the outer screw rod in a penetrating way through a bearing are arranged at the center of the frame body, an outer servo motor for driving the outer screw rod to rotate and an inner servo motor for driving the inner shaft to rotate are arranged on the frame body, a sliding block which is in threaded connection with the outer screw rod is arranged on the outer screw rod, an upper connecting copper bar and a lower connecting copper bar which are parallel to each other are connected below the sliding block, the centers of the upper connecting copper bar and the lower connecting copper bar are in annular locking connection with the inner shaft, the upper connecting copper bar and, the two ends of the contact copper bar are of fan-shaped structures, the two sides of the shell are separated into two fan-shaped insulating surfaces by the contact copper bar, and a partition plate higher than the surface of the contact copper bar is arranged on the inner edge of the contact copper bar.
The high-isolation voltage intelligent change-over switch is further provided with the following components: the shapes of the contact ends of the upper left copper bar, the upper right copper bar, the lower left copper bar and the lower right copper bar are smaller than the fan-shaped structures at the two ends of the contact copper bars.
The high-isolation voltage intelligent change-over switch is further provided with the following components: an upper spring pressurizing assembly is arranged between the sliding block and the upper connecting copper bar, and a lower spring pressurizing assembly is arranged between the upper connecting copper bar and the lower connecting copper bar.
The high-isolation voltage intelligent change-over switch is further provided with the following components: and a convex pin is arranged at the joint of the inner shaft and the upper connecting copper bar and the lower connecting copper bar.
The high-isolation voltage intelligent change-over switch is further provided with the following components: the top of the inner shaft is provided with a driven gear, an output shaft of the inner servo motor is provided with a driving gear, and a transition gear which is meshed with the driving gear and the driven gear is arranged between the driving gear and the driven gear.
The high-isolation voltage intelligent change-over switch is further provided with the following components: the rack body is provided with a signal contact for detecting the position of the sliding block and a controller for controlling the operation of the outer servo motor and the inner servo motor.
Compared with the prior art, the invention has the following beneficial effects: the intelligent high-isolation-voltage change-over switch not only realizes an intelligent and automatic switching function, but also avoids the limitation of size and stroke, can realize complete and safe electrical isolation under the condition of high frequency and high voltage, and avoids electrical safety hazard.
[ description of the drawings ]
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is a side view of the present invention.
Fig. 3 is a schematic structural view of the housing of fig. 1.
Fig. 4 is a schematic structural diagram of the contact copper bar in fig. 1.
Fig. 5 is a schematic view of the upper left copper bar in fig. 1.
Fig. 6 is a schematic view of the structure of the male pin of fig. 1.
Fig. 7 is a schematic structural view between the upper connecting copper bar and the upper layer copper bar in the open state of the present invention.
Fig. 8 is a schematic structural view between the upper connecting copper bar and the upper layer copper bar in the closed state of the present invention.
Fig. 9 is a schematic diagram of a structure of a currently used isolator switch described in the background art.
In the figure: 1. the support body, 2, go up left copper bar, 3, go up right copper bar, 4, lower left copper bar, 5, lower right copper bar, 6, outer screw rod, 7, interior axle, 8, outer servo motor, 9, interior servo motor, 10, driven gear, 11, the driving gear, 12, transition gear, 13, the slider, 14, go up the connection copper bar, 15, lower connection copper bar, 16, go up spring pressure boost subassembly, 17, lower spring pressure boost subassembly, 18, the protruding round pin, 19, the casing, 20, the contact copper bar, 21, insulating surface, 22, the baffle, 23, the signal contact, 24, the controller, 25, the movable rod.
[ detailed description ] embodiments
The invention provides a high-isolation voltage intelligent transfer switch, which is further described in detail through specific embodiments.
As shown in fig. 1 and 2, a high isolation voltage intelligent transfer switch comprises an insulating frame body 1, wherein an upper copper bar and a lower copper bar which are parallel to each other are arranged in the frame body 1, the upper copper bar is composed of an upper left copper bar 2 and an upper right copper bar 3, the lower copper bar is composed of a lower left copper bar 4 and a lower right copper bar 5, a hollow outer screw rod 6 and an inner shaft 7 which is arranged in the outer screw rod 6 in a penetrating manner through a bearing are arranged at the center of the frame body 1, an outer servo motor 8 for driving the outer screw rod 6 to rotate and an inner servo motor 9 for driving the inner shaft 7 to rotate are arranged on the frame body 1, a driven gear 10 is arranged at the top of the inner shaft 7, a driving gear 11 is arranged on an output shaft of the inner servo motor 9, and a transition gear 12 which is meshed with each. The outer screw rod 6 is provided with a sliding block 13 in threaded connection with the outer screw rod, the lower portion of the sliding block 13 is connected with an upper connecting copper bar 14 and a lower connecting copper bar 15 which are parallel to each other, an upper spring pressurizing assembly 16 is arranged between the sliding block 13 and the upper connecting copper bar 14, and a lower spring pressurizing assembly 17 is arranged between the upper connecting copper bar 14 and the lower connecting copper bar 15. As shown in fig. 6, a convex pin 18 is arranged at the connection position of the inner shaft 7 and the upper connecting copper bar 14 and the lower connecting copper bar 15, so that the centers of the upper connecting copper bar 14 and the lower connecting copper bar 15 are connected with the inner shaft 7 in an annular locking manner. The upper connecting copper bar 14 and the lower connecting copper bar 15 have the same structure, and as shown in fig. 3 and 4, the upper connecting copper bar 14 and the lower connecting copper bar 15 include an insulating circular casing 19 and contact copper bars 20 arranged in the casing 19, two ends of the contact copper bars 20 are fan-shaped structures, the two sides of the casing 19 are separated into two fan-shaped insulating surfaces 21 by the contact copper bars 20, and partition plates 22 higher than the surfaces of the contact copper bars 20 are arranged on the inner edges of the contact copper bars 20. As shown in fig. 5, the shape of the contact end of the upper left copper bar 2, the upper right copper bar 3, the lower left copper bar 4 and the lower right copper bar 5 is smaller than the fan-shaped structure at the two ends of the contact copper bar 20. The frame body 1 is provided with a signal contact 23 for detecting the position of the slide block 13 and a controller 24 for controlling the operation of the outer servo motor 8 and the inner servo motor 9.
The working principle of the invention is as follows: when the isolating switch is to be opened, the controller 24 controls the outer servo motor 8 to drive the outer screw rod 6 to rotate in the reverse direction, so that the sliding block 13 and the upper connecting copper bar 14 and the lower connecting copper bar 15 move upwards, when the signal contact 23 detects a signal of the sliding block 13, the controller 24 stops the operation of the outer servo motor 8, at the moment, the upper connecting copper bar 14 is disconnected with the upper left copper bar 2 and the upper right copper bar 3, the lower connecting copper bar 15 is disconnected with the lower left copper bar 4 and the lower right copper bar 5, then the controller 24 controls the inner servo motor 9 to drive the inner shaft 7 to rotate 90 degrees, so that the upper connecting copper bar 14 and the lower connecting copper bar 15 rotate 90 degrees, at the moment, the contact copper bar 20 is no longer positioned in the radiation surfaces of the upper copper bar and the lower copper bar, and the two fan-shaped insulating surfaces 21 are positioned right above the upper copper bar and the lower copper bar, and then the outer screw rod 6 is, so that the slider 13 and the upper and lower connecting copper bars 14 and 15 move downwards, and the upper and lower copper bars are clamped into the two fan-shaped insulating surfaces 21 of the shell 19, and complete and safe electrical isolation is realized by the action of the partition plate 22, and the structure is shown in fig. 7. If the isolating switch needs to be closed, only reverse operation is needed, the controller 24 controls the outer servo motor 8 to drive the outer screw rod 6 to rotate in the reverse direction, so that the sliding block 13 and the upper connecting copper bar 14 and the lower connecting copper bar 15 move upwards, when the signal contact 23 detects a signal of the sliding block 13, the controller 24 stops the operation of the outer servo motor 8, then the controller 24 controls the inner servo motor 9 to drive the inner shaft 7 to rotate 90 degrees, so that the upper connecting copper bar 14 and the lower connecting copper bar 15 rotate 90 degrees, at the moment, the contact copper bar 20 is positioned right above the upper copper bar and the lower copper bar, then the outer servo motor 8 drives the outer screw rod 6 to rotate in the forward direction, so that the sliding block 13 and the upper connecting copper bar 14 and the lower connecting copper bar 15 move downwards, the contact copper bar 20 is respectively contacted with the upper copper bar and the lower copper bar, and the compression is realized through the upper spring pressurizing assembly, the upper copper bar and the lower copper bar are respectively conducted, and the structure is shown in figure 8.
The above-mentioned embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments may be used, not restrictive; it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications belong to the protection scope of the present invention.
Claims (6)
1. The utility model provides a high isolation voltage intelligence change over switch, includes insulating support body, is provided with upper copper bar and lower floor's copper bar that is parallel to each other in the support body, and upper copper bar comprises last left copper bar and last right copper bar, and lower floor's copper bar comprises lower left copper bar and lower right copper bar, its characterized in that: the center of the frame body is provided with a hollow outer screw rod and an inner shaft which is arranged in the outer screw rod in a penetrating mode through a bearing, the frame body is provided with an outer servo motor used for driving the outer screw rod to rotate and an inner servo motor used for driving the inner shaft to rotate, a sliding block in threaded connection with the outer screw rod is arranged on the outer screw rod, an upper connecting copper bar and a lower connecting copper bar which are parallel to each other are connected below the sliding block, the centers of the upper connecting copper bar and the lower connecting copper bar are connected with the inner shaft in an annular locking mode, the upper connecting copper bar and the lower connecting copper bar are identical in structure and comprise an insulating circular shell and a contact copper bar arranged in the shell, the two ends of the contact copper bar are of fan-shaped structures, the two sides of the shell are separated by the contact copper bar to form two fan-shaped insulating surfaces.
2. The high isolation voltage intelligent transfer switch of claim 1, wherein: the shapes of the contact ends of the upper left copper bar, the upper right copper bar, the lower left copper bar and the lower right copper bar are smaller than the fan-shaped structures at the two ends of the contact copper bars.
3. The high-isolation voltage intelligent transfer switch of claim 1 or 2, characterized in that: an upper spring pressurizing assembly is arranged between the sliding block and the upper connecting copper bar, and a lower spring pressurizing assembly is arranged between the upper connecting copper bar and the lower connecting copper bar.
4. The high-isolation voltage intelligent transfer switch of claim 1 or 2, characterized in that: and a convex pin is arranged at the joint of the inner shaft and the upper connecting copper bar and the lower connecting copper bar.
5. The high-isolation voltage intelligent transfer switch of claim 1 or 2, characterized in that: the top of the inner shaft is provided with a driven gear, an output shaft of the inner servo motor is provided with a driving gear, and a transition gear which is meshed with the driving gear and the driven gear is arranged between the driving gear and the driven gear.
6. The high-isolation voltage intelligent transfer switch of claim 1 or 2, characterized in that: the rack body is provided with a signal contact for detecting the position of the sliding block and a controller for controlling the operation of the outer servo motor and the inner servo motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011130008.1A CN112216537A (en) | 2020-10-21 | 2020-10-21 | High isolation voltage intelligence change over switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011130008.1A CN112216537A (en) | 2020-10-21 | 2020-10-21 | High isolation voltage intelligence change over switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112216537A true CN112216537A (en) | 2021-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011130008.1A Pending CN112216537A (en) | 2020-10-21 | 2020-10-21 | High isolation voltage intelligence change over switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112216537A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113421787A (en) * | 2021-06-22 | 2021-09-21 | 宁波电工合金材料有限公司 | Contact detection and trimming structure of full-automatic reed welding machine |
-
2020
- 2020-10-21 CN CN202011130008.1A patent/CN112216537A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113421787A (en) * | 2021-06-22 | 2021-09-21 | 宁波电工合金材料有限公司 | Contact detection and trimming structure of full-automatic reed welding machine |
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