CN111933473A - Excitation type dual-power contact pressing device - Google Patents
Excitation type dual-power contact pressing device Download PDFInfo
- Publication number
- CN111933473A CN111933473A CN202010849523.9A CN202010849523A CN111933473A CN 111933473 A CN111933473 A CN 111933473A CN 202010849523 A CN202010849523 A CN 202010849523A CN 111933473 A CN111933473 A CN 111933473A
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- CN
- China
- Prior art keywords
- pressing
- disc
- spring
- excitation type
- fixedly installed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000005284 excitation Effects 0.000 title claims abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- 238000009434 installation Methods 0.000 claims abstract description 5
- 230000003068 static effect Effects 0.000 claims description 9
- 230000009977 dual effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 8
- 230000001681 protective effect Effects 0.000 description 5
- 150000002500 ions Chemical class 0.000 description 2
- 241001270131 Agaricus moelleri Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- 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 dual-power contact pressing device, which comprises a shell, wherein an inner frame is fixedly installed at the top of an inner cavity of the shell, a rotating shaft is arranged in the inner cavity of the inner frame, a disc is fixedly connected to the top of the rotating shaft, a pressing outer tube is fixedly installed at the axis position of the top of the disc, a first spring and a pressing inner tube are arranged inside the pressing outer tube, a conversion knob is arranged at the top of the pressing inner tube, pressing convex 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 further fixedly installed in the second spring, and moving contact installation seats are fixedly installed at the tops of the second spring and the limiting device respectively. The manual and automatic switching mode is adopted, and the manual mode and the automatic mode are not interfered with each other; the phenomenon that manual switching is not easy to fail to cause wrong switching occurs.
Description
Technical Field
The invention relates to the technical field of power supply change-over 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 along with the development of social economy, the dual-power transfer switch is widely applied to important places where power failure is not allowed, such as high-rise buildings, communities, hospitals, airports, wharfs, fire fighting, metallurgy, chemical engineering, textiles and the like.
The existing dual-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 must perform on-site control on the switch, the control is inconvenient for the operator, the switch switching can not be performed at the first time, and in addition, the problem of potential safety hazard also generally exists in manual control, so that the dual-power transfer switch is not suitable for popularization and use.
However, in the switching between the normal use and the standby use, the situation that the coil is always operated and burnt due to the jamming problem in the switching process or the switch is damaged due to the dispersion of the ion flow ions in the use process can occasionally occur due to the parts, so the invention aims to apply the manual-automatic integrated power transfer switch.
Disclosure of Invention
The invention aims to provide an excitation type double-power-supply contact pressing device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an excitation type dual-power contact pressing device comprises a shell, wherein an inner frame is fixedly installed at the top of an inner cavity of the shell, a rotating shaft is arranged in the inner cavity of the inner frame, a disc is fixedly connected to the top of the rotating shaft, a pressing outer tube is fixedly installed at the top axis position of the disc, a first spring and a pressing inner tube are arranged inside the pressing outer tube, a switching knob is arranged at the top of the pressing inner tube, pressing lugs are symmetrically arranged at the bottom of the switching knob, second springs are symmetrically arranged at the bottom of the inner cavity of the inner frame, a limiting device is fixedly installed in the second springs, moving contact installation seats are fixedly installed at the tops of the second springs and the limiting device, moving contacts are arranged on the moving contact installation seats, through holes are formed in the disc, static contacts matched and connected with the moving contacts are arranged on the inner wall of the through holes, and an electromagnet is arranged in the limiting device.
As a further scheme of the invention: the horizontal plane of disc and the horizontal plane at shell top are parallel and level mutually, and the shell top is reserved has the opening that corresponds with the disc, set up the dark line in the disc, just the dark line is through inside the pivot.
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, the inner rod is connected with the inner wall of the outer rod in an inserting mode, 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 moving contact mounting seat is characterized in that the longitudinal section of the moving contact mounting seat is of a trapezoidal 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 static 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 guard flap, guard flap is ring shape setting, just guard flap is located the outside of through-hole.
Compared with the prior art, the invention has the beneficial effects that:
1. two different conversion modes, namely manual conversion and automatic conversion, can be realized, and the conversion process is simple;
2. in the manual switching process, the switching of the power supply can be realized only by two different steps of pressing and rotating, and the condition of switching by mistake is not easy to occur;
3. the two switching modes are not interfered with each other 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 used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a cross-sectional view of the structure of the present invention;
FIG. 2 is a schematic view of the configuration of the through holes according to the present invention;
FIG. 3 is an enlarged view of the structure of the present invention.
In the figure: the device comprises a shell 1, an inner frame 2, a rotating shaft 3, a disc 4, a pressing outer tube 5, a first spring 6, a pressing inner tube 7, a rotating device 8, a pressing bump 9, a second spring 10, a limiting device 11, a moving contact mounting seat 12, a moving contact 13, a moving contact 14, a moving contact 15, a protective baffle 16, a motor 17 and an electromagnet 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, in the embodiment of the present invention, an excitation type dual power contact pressing device includes 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 installed in an inner cavity of the inner frame 2, a disk 4 is fixedly connected to the top of the rotating shaft 3, a pressing outer tube 5 is fixedly installed at a top axis position of the disk 4, a first spring 6 and a pressing inner tube 7 are installed inside the pressing outer tube 5, a conversion knob 8 is installed at the top of the pressing inner tube 7, pressing protrusions 9 are symmetrically installed at the bottom of the conversion knob 8, a second spring 10 is symmetrically installed at the bottom of the inner cavity of the inner frame 2, a limiting device 11 is further fixedly installed inside the second spring 10, a moving contact mounting seat 12 is fixedly installed at the tops of the second spring 10 and the limiting device 11, a moving contact 13 is installed on the moving, the disc 4 is provided with a through hole 14, the inner wall of the through hole 14 is provided with a static contact 15 which is matched and connected with a movable contact 13, the bottom of the rotating shaft 3 is rotatably connected with a motor 17, and an electromagnet 18 is arranged inside the limiting device 11.
It is worth noting that the horizontal plane of the disc 4 is flush with the horizontal plane of the top of the housing 1, an opening corresponding to the disc 4 is reserved in the top of the housing 1, a hidden line is arranged in the disc 4 and passes through the inside of the rotating shaft 3, the hidden line arranged in the disc 4 is connected with the static contact 15, the hidden line can avoid the phenomenon of hidden line winding caused by the rotation of the disc 4 through the inside of the rotating shaft 3, meanwhile, line holes of the hidden line are reserved in the top of the inner frame 2, the number of the through holes 4 is at least four, and the distance between the two pressing protruding blocks 9 is equal to the diameter of a circle formed by the four through holes 4 in a surrounding mode.
It is worth noting that the limiting device 11 comprises an inner rod and an outer rod, the inner rod is connected with the inner wall of the outer rod in an inserting mode, 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, the inner rod is magnetically connected with the electromagnet 18, the moving contact mounting seat 12 is limited to move up and down only through the limiting device 11, and the phenomenon that the second spring 10 is bent due to friction resistance between the disc 4 and the moving contact mounting seat 12 under the condition that the disc 4 rotates is avoided.
It should be noted that the longitudinal section of the movable contact mounting seat 12 is a trapezoid structure, the cross section of the movable contact mounting seat is a circular structure, the movable contact 13 is disposed at a position close to the top end, the fixed contact 15 is disposed at a position close to the bottom end of the disk 4, the flat-top conical structure can facilitate the movable contact mounting seat 12 to be inserted into the through hole 14, so that the fixed contact 15 and the movable contact 13 can be conveniently combined, and meanwhile, the movable contact 13 and the fixed contact 15 are not easy to fall off, and the electric shock hazard of personnel can be reduced due to the height arrangement.
It is worth noting that the top of the disc 4 is further provided with a protective baffle 16, the protective baffle 16 is arranged in a circular ring shape, and the protective baffle 16 is located outside the through hole 14, so that the existence of the protective baffle 16 can also reduce the situation of direct contact with the movable contact mounting seat 12, and reduce the danger of electric shock.
Example (b):
in a specific power supply switching process, the power supply switching process can be divided into two steps, wherein in the first step, the switching knob 8 is pressed downwards, and along with the downward pressing of the switching knob 8, the pressing protrusion 9 presses the moving contact mounting base 12 to be separated from the through hole 14, namely, the moving contact 13 is separated from the static contact 15, so that the power supply switching-off process is completed; a second step of rotating the conversion knob 8, wherein the whole disc 4 rotates along with the rotation of the conversion knob 8, and the horizontal height of the movable contact mounting seat 12 is lower than that of the bottom of the disc 4 at the moment, 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 bounce the conversion knob 8, the pressing lug 9 is separated from the through hole 14, the movable contact mounting seat 12 is not pressed by the pressing lug 9, and the movable contact mounting seat 12 is bounced by the second spring 10, so that the combination of the static contact 15 and the movable contact 13 is realized, and the process of power supply conversion is completed;
when the coil current around the electromagnet 18 is increased to generate larger magnetic force, the inner rod is influenced by the magnetic force of the electromagnet 18 to serve the elastic force of the second spring 10, the moving contact 13 is driven to be separated from the static contact 15, the motor 17 drives the disc 4 to rotate after being electrified, after a corresponding instruction is finished, the electromagnet 18 and the motor 17 stop working, and the first spring 6 and the second spring 10 automatically finish the remaining power supply conversion work;
the switching angle between the two power sources is set to ninety degrees, which is convenient for operation and observation.
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 attributes 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 description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides an excitation type dual supply contact press device, includes shell (1), its characterized in that: an inner frame (2) is fixedly installed at the top of an inner cavity of the outer shell (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 axle center position of the disc (4), a first spring (6) and a pressing inner tube (7) are arranged inside the pressing outer tube (5), a conversion knob (8) is arranged at the top of the pressing inner tube (7), pressing convex 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), moving contact installation seats (12) are fixedly installed at the tops of the second spring (10) and the limiting device (11), and moving contacts (13) are arranged on the moving contact installation seats (12, the disc (4) is provided with a through hole (14), the inner wall of the through hole (14) is provided with a static contact (15) which is connected with the moving contact (13) in a matching way, the bottom of the rotating shaft (3) is rotatably connected with a motor (17), and an electromagnet (18) is arranged inside the limiting device (11).
2. The excitation type dual-power contact pressing device according to claim 1, wherein: the horizontal plane of disc (4) and the horizontal plane at shell (1) top are parallel and level mutually, and shell (1) top is reserved has the opening that corresponds with disc (4), set up the hidden line in disc (4), just the hidden line passes through pivot (3) insidely.
3. The excitation type dual-power contact pressing device according to claim 1, wherein: the number of the through holes (4) 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 (4).
4. The excitation type dual-power contact pressing device according to claim 1, wherein: the limiting device (11) comprises an inner rod and an outer rod, the inner rod is connected with the inner wall of the outer rod in an inserting mode, 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.
5. The excitation type dual-power contact pressing device according to claim 1, wherein: the longitudinal section of the moving contact mounting seat (12) is of a trapezoidal structure, the cross section of the moving contact mounting seat is of a circular structure, the moving contact (13) is arranged at a position close to the top end, and the static contact (15) is arranged at a position close to the bottom end of the disc (4).
6. The excitation type dual-power contact pressing device according to claim 1, wherein: the top of disc (4) still is provided with guard flap (16), guard flap (16) are ring shape setting, just guard flap (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 true CN111933473A (en) | 2020-11-13 |
| CN111933473B CN111933473B (en) | 2024-05-03 |
Family
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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112713019A (en) * | 2020-12-24 | 2021-04-27 | 贺神华 | 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112713019A (en) * | 2020-12-24 | 2021-04-27 | 贺神华 | Voltage stabilizing device for output circuit of low-voltage transformer |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111933473B (en) | 2024-05-03 |
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