CN111933473B - Excitation type double-power-supply contact pressing device - Google Patents
Excitation type double-power-supply contact pressing device Download PDFInfo
- Publication number
- CN111933473B CN111933473B CN202010849523.9A CN202010849523A CN111933473B CN 111933473 B CN111933473 B CN 111933473B CN 202010849523 A CN202010849523 A CN 202010849523A CN 111933473 B CN111933473 B CN 111933473B
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- China
- Prior art keywords
- pressing
- disc
- moving contact
- spring
- mounting seat
- Prior art date
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- 238000003825 pressing Methods 0.000 title claims abstract description 38
- 230000005284 excitation Effects 0.000 title claims abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims abstract description 23
- 230000009977 dual effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 2
- 241000826860 Trapezium Species 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H25/00—Switches with compound movement of handle or other operating part
- H01H25/06—Operating part movable both angularly and rectilinearly, the rectilinear movement being along the axis of angular movement
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/20—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch wherein an auxiliary movement thereof, or of an attachment thereto, is necessary before the main movement is possible or effective, e.g. for unlatching, for coupling
-
- 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
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
- Mechanisms For Operating Contacts (AREA)
Abstract
The invention discloses an excitation type double-power-supply contact pressing device, which comprises a shell, wherein an inner frame is fixedly arranged at the top of an inner cavity of the shell, a rotating shaft is arranged in the inner cavity of the inner frame, the top of the rotating shaft is fixedly connected with a disc, a pressing outer tube is fixedly arranged at the axial center position of the top of the disc, a first spring and a pressing inner tube are arranged in the pressing outer tube, a conversion knob is arranged at the top of the pressing inner tube, pressing protruding blocks are symmetrically arranged at the bottom of the conversion knob, a second spring is symmetrically arranged at the bottom of the inner cavity of the inner frame, a limiting device is fixedly arranged in the second spring, and moving contact mounting seats are fixedly arranged at the tops of the second spring and the limiting device, and the beneficial effects of the invention are that: the switching method has two different switching modes of manual operation and automatic operation, and the two modes are not mutually interfered; the phenomenon of error switching caused by error in manual switching is not easy to occur.
Description
Technical Field
The invention relates to the technical field of power transfer switches, in particular to an excitation type double-power-supply contact pressing device.
Background
The dual-power transfer switch is a switch capable of switching between two power supplies, and is widely applied to important places which do not allow power failure, such as high-rise buildings, communities, hospitals, airports, wharfs, fire protection, metallurgy, chemical industry, textiles and the like along with the development of society and economy.
The existing double-power transfer switch generally adopts a mechanical locking device to control the selection of a power supply, the existing mechanical locking device generally performs power supply switching through manual operation, an operator is required to perform on-site control on the switch, the control of the operator is inconvenient at first, the switching cannot be performed at the first time, in addition, the problem of potential safety hazards is generally caused in manual control, and the double-power transfer switch is not suitable for popularization and use.
However, in the automatic dual-power transfer switch, during the common and standby switching, the problem of blocking in the switching process can happen occasionally due to parts, so that the coil is always in operation and burnt, or the switch is damaged due to the fact that the ions flow away and are scattered in the using process, so that the invention aims to apply for an automatic manual power transfer switch.
Disclosure of Invention
The invention aims to provide an excitation type double-power-supply contact pressing device so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an excitation type dual power contact press device, includes the shell, the inner chamber top fixed mounting of shell has the inside casing, the inner chamber of inside casing is provided with the pivot, the top fixed connection disc of pivot, the top axle center position fixed mounting of disc has the outer tube of pressing, the inside of pressing the outer tube sets up first spring and presses the inner tube, the top of pressing the inner tube sets up the conversion knob, the bottom symmetry of conversion knob is provided with presses the boss, the inner chamber bottom symmetry of inside casing is provided with the second spring, still fixed mounting has stop device in the second spring, the equal fixed mounting moving contact mount pad in top of second spring and stop device, be provided with the moving contact on the moving contact mount pad, the through-hole has been seted up on the disc, the inner wall of through-hole is provided with the fixed contact that is connected with the moving contact cooperation the bottom of pivot rotates the connection motor, stop device's inside sets up the electro-magnet.
As a further scheme of the invention: the horizontal plane of disc and the horizontal plane at shell top are parallel and level, and the shell top is reserved and is had the opening that corresponds with the disc, set up the dark line in the disc, just the dark line passes through the pivot inside.
As a further scheme of the invention: the number of the through holes is at least four, and the distance between the two pressing protruding blocks is equal to the diameter of a circle surrounded by the four through holes.
As a further scheme of the invention: the limiting device comprises an inner rod and an outer rod, wherein the inner rod is inserted into the inner wall of the outer rod, the top of the inner rod is fixedly connected with the bottom of the moving contact mounting seat, the electromagnet is arranged inside the outer rod, and the inner rod is magnetically connected with the electromagnet.
As a further scheme of the invention: the longitudinal section of the moving contact mounting seat is of a trapezoid structure, the cross section of the moving contact mounting seat is of a circular structure, the moving contact is arranged at a position close to the top end, and the fixed contact is arranged at a position close to the bottom end of the disc.
As a further scheme of the invention: the top of disc still is provided with the guard shield, the guard shield is the ring shape setting, just the guard shield is located the outside of through-hole.
Compared with the prior art, the invention has the beneficial effects that:
1. two different conversion modes of manual conversion and automatic conversion can be realized, and the conversion process is simple;
2. In the manual conversion process, the power supply can be converted only through two different steps of pressing and rotating, so that the situation of error switching is not easy to occur;
3. the two switching modes are mutually noninterfere, and can be carried out independently or simultaneously.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a cross-sectional view of the structure of the present invention;
FIG. 2 is a schematic view of a through-hole pattern arrangement according to the present invention;
Fig. 3 is an enlarged view of the structure of the present invention.
In the figure: 1 shell, 2 inner frame, 3 pivots, 4 discs, 5 outer pressing pipes, 6 first springs, 7 inner pressing pipes, 8 rotating devices, 9 pressing protruding blocks, 10 second springs, 11 limiting devices, 12 moving contact mounting seats, 13 moving contacts, 14 through holes, 15 moving contacts, 16 protective baffles, 17 motors and 18 electromagnets.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, in the embodiment of the invention, an excitation type dual-power-supply contact pressing device comprises a housing 1, an inner frame 2 is fixedly installed at the top of an inner cavity of the housing 1, a rotating shaft 3 is arranged in the inner cavity of the inner frame 2, a disc 4 is fixedly connected to the top of the rotating shaft 3, a pressing outer tube 5 is fixedly installed at the top axial center position of the disc 4, a first spring 6 and a pressing inner tube 7 are arranged in the pressing outer tube 5, a conversion knob 8 is arranged at the top of the pressing inner tube 7, pressing protruding blocks 9 are symmetrically arranged at the bottom of the conversion knob 8, a second spring 10 is symmetrically arranged at the bottom of the inner cavity of the inner frame 2, a limiting device 11 is fixedly installed in the second spring 10, a moving contact installation seat 12 is fixedly installed at the tops of the second spring 10 and the limiting device 11, a moving contact 13 is arranged on the moving contact installation seat 12, a through hole 14 is formed in the disc 4, a fixed contact 15 which is in fit with the moving contact 13 is arranged in the inner wall of the through hole 14, the bottom of the disc 3 is rotationally connected with a motor 17, and an electromagnet 18 is arranged in the electromagnet device.
It is worth noting that the horizontal plane of disc 4 is parallel and level with the horizontal plane at shell 1 top, and the opening that corresponds with disc 4 is reserved at shell 1 top, set up the dark line in the disc 4, just the dark line passes through inside pivot 3, and the dark line that disc 4 inside set up links to each other with stationary contact 15, and the dark line can avoid taking place the phenomenon of dark line winding because of disc 4 rotates inside the pivot 3, and the line hole of dark line is reserved at the top of inside casing 2 simultaneously, through-hole 4 quantity is four at least, two the distance between pressing lug 9 equals with the diameter of four circle that through-hole 4 encloses into.
It is noted that the limiting device 11 includes an inner rod and an outer rod, the inner rod is inserted into the inner wall of the outer rod, the top of the inner rod is fixedly connected with the bottom of the moving contact mounting seat 12, the electromagnet 18 is disposed inside the outer rod, the inner rod is magnetically connected with the electromagnet 18, the moving contact mounting seat 12 is limited to move up and down by the limiting device 11, and the second spring 10 is prevented from being bent due to the frictional resistance between the disc 4 and the moving contact mounting seat 12 under the condition that the disc 4 rotates.
It is worth noting that, the longitudinal section of moving contact mount pad 12 is trapezium structure, and its transversal circular structure that personally submits, moving contact 13 sets up in the position that is close to the top, stationary contact 15 sets up in the position that disc 4 is close to the bottom, and the conical structure of flat top can make things convenient for moving contact mount pad 12 to insert in through-hole 14, makes things convenient for the combination of stationary contact 15 and moving contact 13 promptly, is difficult for droing again simultaneously, and the high setting of moving contact 13 and stationary contact 15 can reduce personnel's danger of electrocuting.
It is worth noting that, the top of the disc 4 is further provided with a protection baffle 16, the protection baffle 16 is in a circular ring shape, the protection baffle 16 is located at the outer side of the through hole 14, and the existence of the protection baffle 16 can also reduce the direct contact with the moving contact mounting seat 12, so as to reduce the danger of electric shock.
Examples:
In a specific power supply switching process, the method can be divided into two steps, wherein the first step is to press the conversion knob 8 downwards, and the pressing lug 9 presses the movable contact mounting seat 12 to be separated from the through hole 14 along with the pressing of the conversion knob 8, namely the movable contact 13 and the fixed contact 15 are separated, so that the power supply cutting process is completed; the second step rotates the conversion knob 8, along with the rotation of the conversion knob 8, the whole disc 4 rotates, at the moment, the horizontal plane height of the movable contact mounting seat 12 is lower than the horizontal plane height of the bottom of the disc 4, so that the disc 4 can rotate, when the conversion knob 8 rotates to the angle position of another power supply, the conversion knob 8 is loosened, the first spring 6 can spring the conversion knob 8, so that the pressing lug 9 is separated from the through hole 14, the pressing lug 9 does not press the movable contact mounting seat 12 any more, the second spring 10 can spring the movable contact mounting seat 12, and therefore the combination of the fixed contact 15 and the movable contact 13 is realized, and the power supply conversion process is completed;
when the coil current around the electromagnet 18 increases to generate larger magnetic force, the inner rod is influenced by the magnetic force of the electromagnet 18 to take the elasticity of the second spring 10 away from the fixed contact 15 with the moving contact 13, the motor 17 drives the disc 4 to rotate after the power-on operation, after the corresponding instruction is completed, the electromagnet 18 and the motor 17 stop working, and the first spring 6 and the second spring 10 automatically complete the rest power conversion operation;
The conversion angle between the two power supplies is set to ninety degrees, so that the operation and the observation are convenient.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (4)
1. The utility model provides an excitation type dual power contact press device, includes shell (1), its characterized in that: the inner frame (2) is fixedly arranged at the top of the inner cavity of the shell (1), the rotating shaft (3) is arranged in the inner cavity of the inner frame (2), the top of the rotating shaft (3) is fixedly connected with the disc (4), the pressing outer tube (5) is fixedly arranged at the top axial center of the disc (4), the first spring (6) and the pressing inner tube (7) are arranged in the pressing outer tube (5), the conversion knob (8) is arranged at the top of the pressing inner tube (7), the pressing protruding blocks (9) are symmetrically arranged at the bottom of the conversion knob (8), the second spring (10) is symmetrically arranged at the bottom of the inner cavity of the inner frame (2), the limiting device (11) is fixedly arranged in the second spring (10), the moving contact mounting seat (12) is fixedly arranged at the top of the second spring (10) and the limiting device (11), the moving contact (13) is arranged on the moving contact mounting seat (12), the through hole (14) is formed in the disc (4), the inner wall of the through hole (14) is provided with the moving contact (13) and is matched with the moving contact motor (13), and the bottom (15) is connected with the electromagnet (17);
The number of the through holes (14) is at least four, and the distance between the two pressing lugs (9) is equal to the diameter of a circle surrounded by the four through holes (14);
the limiting device (11) comprises an inner rod and an outer rod, the inner rod is inserted into the inner wall of the outer rod, the top of the inner rod is fixedly connected with the bottom of the moving contact mounting seat (12), the electromagnet (18) is arranged inside the outer rod, and the inner rod is magnetically connected with the electromagnet 18.
2. The excitation type double power contact pressing apparatus according to claim 1, wherein: the horizontal plane of disc (4) is parallel and level with the horizontal plane at shell (1) top, and the opening that corresponds with disc (4) is reserved at shell (1) top, set up the dark line in disc (4), just the dark line is inside through pivot (3).
3. The excitation type double power contact pressing apparatus according to claim 1, wherein: the longitudinal section of the moving contact mounting seat (12) is of a trapezoid structure, the cross section of the moving contact mounting seat is of a round structure, the moving contact (13) is arranged at a position close to the top end, and the fixed contact (15) is arranged at a position close to the bottom end of the disc (4).
4. The excitation type double power contact pressing apparatus according to claim 1, wherein: the top of disc (4) still is provided with protection baffle (16), protection baffle (16) are the ring shape setting, just protection baffle (16) are located the outside of through-hole (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010849523.9A CN111933473B (en) | 2020-08-21 | 2020-08-21 | Excitation type double-power-supply contact pressing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010849523.9A CN111933473B (en) | 2020-08-21 | 2020-08-21 | Excitation type double-power-supply contact pressing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111933473A CN111933473A (en) | 2020-11-13 |
| CN111933473B true CN111933473B (en) | 2024-05-03 |
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ID=73305458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010849523.9A Active CN111933473B (en) | 2020-08-21 | 2020-08-21 | Excitation type double-power-supply contact pressing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111933473B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112713019B (en) * | 2020-12-24 | 2022-05-24 | 佛山市金米诚电气有限公司 | Voltage stabilizing device for output circuit of low-voltage transformer |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4859922A (en) * | 1986-02-18 | 1989-08-22 | Robert Bosch Gmbh | System for controlling the operating mode of a controlled apparatus |
| WO2006068114A1 (en) * | 2004-12-20 | 2006-06-29 | Pioneer Corporation | Switch device, information processing device, and reproduction device |
| CN103077837A (en) * | 2013-01-08 | 2013-05-01 | 北京电研华源电力技术有限公司 | Automatic change-over switch and method of automatically changing over power supply |
| CN207925333U (en) * | 2017-11-30 | 2018-09-28 | 施耐德电器工业公司 | Double power supply automatic transfer switch and its electromagnetic drive mechanism |
| CN110620021A (en) * | 2018-06-19 | 2019-12-27 | 福特全球技术公司 | Contactor assembly and contactor conversion method |
| CN111192781A (en) * | 2020-01-09 | 2020-05-22 | 佛山市顺德区美的洗涤电器制造有限公司 | Operating assembly and household appliance |
| CN212342533U (en) * | 2020-08-21 | 2021-01-12 | 南京亚派科技股份有限公司 | Excitation type dual-power contact pressing device |
-
2020
- 2020-08-21 CN CN202010849523.9A patent/CN111933473B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4859922A (en) * | 1986-02-18 | 1989-08-22 | Robert Bosch Gmbh | System for controlling the operating mode of a controlled apparatus |
| WO2006068114A1 (en) * | 2004-12-20 | 2006-06-29 | Pioneer Corporation | Switch device, information processing device, and reproduction device |
| CN103077837A (en) * | 2013-01-08 | 2013-05-01 | 北京电研华源电力技术有限公司 | Automatic change-over switch and method of automatically changing over power supply |
| CN207925333U (en) * | 2017-11-30 | 2018-09-28 | 施耐德电器工业公司 | Double power supply automatic transfer switch and its electromagnetic drive mechanism |
| CN110620021A (en) * | 2018-06-19 | 2019-12-27 | 福特全球技术公司 | Contactor assembly and contactor conversion method |
| CN111192781A (en) * | 2020-01-09 | 2020-05-22 | 佛山市顺德区美的洗涤电器制造有限公司 | Operating assembly and household appliance |
| CN212342533U (en) * | 2020-08-21 | 2021-01-12 | 南京亚派科技股份有限公司 | Excitation type dual-power contact pressing device |
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| Publication number | Publication date |
|---|---|
| CN111933473A (en) | 2020-11-13 |
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