CN109216084B - Zero-transition phase change switch - Google Patents
Zero-transition phase change switch Download PDFInfo
- Publication number
- CN109216084B CN109216084B CN201811089668.2A CN201811089668A CN109216084B CN 109216084 B CN109216084 B CN 109216084B CN 201811089668 A CN201811089668 A CN 201811089668A CN 109216084 B CN109216084 B CN 109216084B
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- circuit
- switch
- gear
- contact end
- limiting block
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- 230000008859 change Effects 0.000 title claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 210000000078 claw Anatomy 0.000 claims description 8
- 239000004020 conductor Substances 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 208000002925 dental caries Diseases 0.000 claims 2
- 230000001360 synchronised effect Effects 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/02—Details
- H01H19/10—Movable parts; Contacts mounted thereon
- H01H19/14—Operating parts, e.g. turn knob
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/02—Details
- H01H19/08—Bases; Stationary contacts mounted thereon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/36—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having only two operative positions, e.g. relatively displaced by 180 degrees
- H01H19/42—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having only two operative positions, e.g. relatively displaced by 180 degrees providing more than two electrically different conditions, e.g. for closing either or both of two circuits
Abstract
The invention discloses a zero-transition phase change switch, which comprises a switch body, a gear shifting mechanism and a circuit connecting mechanism, wherein the switch body comprises a switch base, a contact end cavity and a switch top cover, the circuit connecting mechanism comprises a circuit connecting column and a circuit joint, three contact end cavities are uniformly formed in the upper end face of the switch base, three circuit connecting columns are uniformly arranged in the middle of the outer wall of the switch base, the gear shifting mechanism is arranged in the switch base, and the gear shifting mechanism comprises a conductive column, a conductive sheet and an insulating sheet. In the invention, the first circuit, the second circuit and the bypass circuit can be controlled to be connected or disconnected with the user circuit by adjusting the positions of the conducting plates, and the positions of the switching sections of the switch are limited by the clamping relation between the gear limiting blocks and the gear grooves on the conducting plates when the power supply circuit is shifted.
Description
Technical Field
The invention relates to the field of switching devices, in particular to a zero-transition phase change switch.
Background
In urban power supply or large-scale factories, two power supply systems are usually required to be arranged, so that when one power supply system fails, the standby power supply can be switched to work.
In order to avoid the influence of life power supply or production and manufacture, uninterrupted power supply is needed when the power supply is switched, and a bypass circuit (similar to a special frequency conversion device) is connected in parallel to the first circuit, and a voltage synchronous with the first circuit is output through the PMW and connected to a user to be switched. At this point the hot wire of the first circuit is disconnected and supplied by the bypass means. After N power frequency periods (t), the phase is shifted, and when the output voltage is consistent with the voltage of the second circuit, the frequency is changed back to be synchronous with the power grid. The phase of the output is verified to be synchronized with the phase of the second circuit, when the single-phase user is connected to the second phase. Finally, the bypass circuit is disconnected, and the uninterrupted switching load is completed, so that the aim of convenient operation is fulfilled, but the following defects still exist in actual use:
1. the switch for switching the second power supply is usually required to be arranged in a plurality, and the operation is complicated;
2. the gear of the change-over switch is not well limited, and misoperation is easy to cause;
3. the connection of the switch and the power supply circuit is troublesome and cannot be quickly connected.
Disclosure of Invention
The present invention is directed to a zero-transition phase change switch, which solves the problems set forth in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the switch body comprises a switch base, a contact end cavity and a switch top cover, the circuit connecting mechanism comprises a circuit connecting column and a circuit joint, the switch base is in a cylindrical shape, the switch top cover is arranged on the upper end face of the switch base, three contact end cavities are uniformly formed in the upper end face of the switch base, a cylindrical circuit contact end is arranged above the inner part of the contact end cavity, a conductive connecting rod is arranged at the inner bottom of the contact end cavity, the bottom surface of the circuit contact end is connected with the conductive connecting rod through an elastic conductor, three circuit connecting columns are uniformly arranged in the middle of the outer wall of the switch base, one circuit connecting column is arranged in the middle of the lower end face of the switch base, three conductive connecting rods penetrate outwards along the middle of the three circuit connecting columns in the middle of the switch base, the switch base is internally provided with a gear shifting mechanism which comprises a conductive column, a conductive sheet and an insulating sheet, the conductive sheet and the insulating sheet are in a round rod shape, the upper end of the conductive column is provided with a conductive sheet, the conductive sheet and the insulating sheet are fan-shaped, the upper end of the conductive sheet and the insulating sheet are respectively a fan-shaped body, the upper end face of the conductive sheet is provided with a five-shaped through holes which are formed in the middle of the upper end face of the switch base, the upper end face of the conductive sheet is provided with a five-shaped through holes, the conductive sheet is arranged in the middle of the circuit connecting rod is penetrated out from the middle of the circuit connecting column, the upper end of the switch base is provided with a five-shaped conductive sheet holes, the conductive sheet is provided with a conductive sheet through a hole and the conductive sheet, and the conductive sheet is in the round rod is in a round rod, and the round rod and round rod, and the inside, and the contact is in the contact. The outer end of the circuit connecting column is inserted with one end of the circuit connector.
Preferably, the three circuit contact ends are a first circuit contact end, a bypass circuit contact end and a second circuit contact end respectively, the five gear limiting blocks are a first gear limiting block, a second gear limiting block, a third gear limiting block, a fourth gear limiting block and a fifth gear limiting block respectively, the first gear limiting block is arranged on the outer side of the first circuit contact end, and the five gear limiting blocks are distributed anticlockwise along the angle interval of 60 degrees.
Preferably, the fan-shaped angle of the conducting strip is 120 degrees, the gear groove is arranged at the middle position of the cambered surface of the outer wall of the conducting strip, and the fan-shaped angle of the insulating strip is 240 degrees.
Preferably, the outer side of the gear limiting block is connected with the outer side wall of the cavity formed in the upper end face of the switch base through a spring, the inner side of the gear limiting block is a semicircular arc face, the gear groove is a concave semicircular arc face, and the inner side end of the gear limiting block is clamped with the gear groove in a matched mode.
Preferably, the upper end of the circuit contact end is hemispherical, the lower surface of the conducting strip is provided with a circular groove, and the upper end of the circuit contact end is in fit contact with the circular groove provided on the lower surface of the conducting strip.
Preferably, the circuit connecting column is cylindrical, a plurality of connecting claws are arranged at the edge of the outer end of the circuit connecting column, triangular buckles arranged inwards are arranged at the outer ends of the connecting claws, and a clamping ring matched with the buckles is arranged on the outer wall of one side, in contact with the circuit connecting column, of the circuit connector.
Preferably, the gear is provided with an arrow indication, the arrow indication is consistent with the direction of the gear groove, and the upper surface of the switch top cover is provided with position indication marks of five gear limiting blocks.
Compared with the prior art, the invention has the beneficial effects that: the invention has reasonable structure and strong functionality and has the following advantages:
1. in the invention, the first circuit, the second circuit and the bypass circuit can be controlled to be connected or disconnected with the user circuit by adjusting the position of the conducting strip, so that the power supply circuit is switched;
2. according to the invention, the positions of all switching sections of the switch are limited through the clamping relation between the gear limiting blocks and the gear grooves on the conducting strip;
3. the circuit connecting column is provided with the connecting claw, so that the connector of the connecting circuit is clamped, the installation is convenient, and the contact end is prevented from falling off.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a front cross-sectional view of the present invention;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;
FIG. 4 is an enlarged view at B in FIG. 2;
FIG. 5 is a schematic view of a first circuit contact in contact communication with a conductive sheet in accordance with the present invention;
fig. 6 is a schematic diagram of the contact communication of the bypass circuit contact with the conductive pad in the present invention.
In the figure: the switch body 1, the gear shift mechanism 2, the circuit connecting mechanism 3, the gear limiting block 4, the first gear limiting block 41, the second gear limiting block 42, the third gear limiting block 43, the fourth gear limiting block 44, the fifth gear limiting block 45, the circuit contact 5, the first circuit contact 51, the bypass circuit contact 52, the second circuit contact 53, the conductive connecting rod 6, the switch base 7, the contact cavity 8, the switch top cover 9, the conductive post 10, the conductive plate 11, the insulating plate 12, the gear slot 13, the shift lever 14, the circuit connecting post 15, the circuit joint 16, the conductive push rod 17, the user circuit contact 18, and the connecting claw 19.
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 to 6, the present invention provides a technical solution: a zero-transition phase change switch comprises a switch body 1, a gear shifting mechanism 2 and a circuit connecting mechanism 3, wherein the switch body 1 comprises a switch base 7, a contact end cavity 8 and a switch top cover 9, the circuit connecting mechanism 3 comprises a circuit connecting column 15 and a circuit connector 16, the switch base 7 is cylindrical, the switch top cover 9 is arranged on the upper end face of the switch top cover 9, the switch top cover 9 seals the upper end of the switch top cover 9, three contact end cavities 8 are uniformly arranged on the upper end face of the switch base 7, a cylindrical circuit contact end 5 is arranged above the inner part of each contact end cavity 8, a conductive connecting rod 6 is arranged at the inner bottom of each contact end cavity 8, the bottom surface of each circuit contact end 5 is connected with the conductive connecting rod 6 through an elastic conductor, three circuit connecting columns 15 are uniformly arranged in the middle of the outer wall of the switch base 7, one circuit connecting column 15 is arranged in the middle of the lower end face of the switch base 7, one end of each of the three conductive connecting rods 6 penetrates outwards along the middle of the three circuit connecting columns 15 in the middle of the switch base 7, a gear shifting mechanism 2 is arranged in the switch base 7, each gear shifting mechanism 2 comprises a conductive column 10, a conductive sheet 11 and an insulating sheet 12, each conductive column 10 is in a round rod shape, the conductive columns 10 are connected with the inside of the switch base 7 in a rotating mode, the upper ends of the conductive columns 10 are provided with the conductive sheets 11 and the insulating sheets 12, each conductive sheet 11 and each insulating sheet 12 are fan-shaped plate bodies, gear grooves 13 are formed in the side walls of the conductive sheets 11, a blocking dial 14 is arranged above the middle of each conductive sheet 11 and each insulating sheet 12 through the connecting rods, the positions of the conductive sheets 11 can be limited by the rotary blocking dial 14, five cavities are formed in the upper end face of the switch base 7 along the outer walls of each conductive sheet 11 and each insulating sheet 12, gear limiting blocks 4 are arranged in each of the five cavities, through holes are formed in the lower ends of the conductive columns 10, the upper part of the inside of the through hole is provided with a user circuit contact end 18, the lower part of the inside of the through hole is provided with a conductive ejector rod 17, the lower surface of the user circuit contact end 18 is connected with the conductive ejector rod 17 through an elastic conductor, the lower end of the conductive ejector rod 17 penetrates out along a circuit connecting column 15 arranged on the lower end face of the switch base 7, and the outer end of the circuit connecting column 15 is inserted with one end of a circuit joint 16.
The three circuit contact ends 5 are a first circuit contact end 51, a bypass circuit contact end 52 and a second circuit contact end 53 respectively, the five gear limiting blocks 4 are a first gear limiting block 41, a second gear limiting block 42, a third gear limiting block 43, a fourth gear limiting block 44 and a fifth gear limiting block 45 respectively, the first gear limiting block 41 is arranged on the outer side of the first circuit contact end 51, and the five gear limiting blocks 4 are distributed anticlockwise along the angular interval of 60 degrees.
The fan-shaped angle of the conducting strip 11 is 120 degrees, the gear slot 13 is arranged at the middle position of the cambered surface of the outer wall of the conducting strip 11, the fan-shaped angle of the insulating strip 12 is 240 degrees, when the gear slot 13 is clamped with the first gear limiting block 41, only the first circuit contact end 51 is communicated with the conducting strip 11, when the gear slot 13 is clamped with the second gear limiting block 42, the first circuit contact end 51 and the bypass circuit contact end 52 are communicated with the conducting strip 11, when the gear slot 13 is clamped with the third gear limiting block 43, only the bypass circuit contact end 52 is communicated with the conducting strip 11, when the gear slot 13 is clamped with the fourth gear limiting block 44, the bypass circuit contact end 52 and the second circuit contact end 53 are communicated with the conducting strip 11, and when the gear slot 13 is clamped with the fifth gear limiting block 45, only the second circuit contact end 53 is communicated with the conducting strip 11.
The outside of gear limiting piece 4 passes through spring coupling with the cavity lateral wall that switch base 7 up end offered, makes gear limiting piece 4 carry out the card to gear groove 13 and establishes, and the inboard of gear limiting piece 4 is half arc surface, and gear groove 13 is the half arc surface of indent, makes gear limiting piece 4 deviate from gear groove 13 under certain dynamics, and gear limiting piece 4 inboard end and gear groove 13 cooperation card establish.
The upper end of the circuit contact end 5 is hemispherical, the lower surface of the conducting strip 11 is provided with a circular groove, the upper end of the circuit contact end 5 is in matched contact with the circular groove provided on the lower surface of the conducting strip 11, the contact surface between the circuit contact end 5 and the conducting strip 11 is increased, and poor contact is prevented.
The circuit connection post 15 is cylindric, and the outer end edge of circuit connection post 15 is equipped with many connecting claws 19, and the outer end of connecting claw 19 is equipped with the triangle buckle of inwards setting, and the outer wall of circuit joint 16 and circuit connection post 15 contact one side is equipped with snap-fit's snap ring, is convenient for to the installation of circuit joint 16, and can prevent that circuit joint 16 from droing out.
The gear 14 is provided with an arrow indication, the arrow indication is consistent with the direction of the gear groove 13, and the upper surface of the switch top cover 9 is provided with position indication marks of the five gear limiting blocks 4, so that gear shifting errors are prevented.
Working principle: when the invention works, the circuit of a user is connected with the conductive ejector rod 17 in the circuit connecting column 15 arranged below the switch base 7, the live wire of the first circuit is connected with the conductive connecting rod 6 connected with the first circuit contact end 51, the live wire of the bypass circuit is connected with the conductive connecting rod 6 connected with the bypass circuit contact end 52, the live wire of the second circuit is connected with the conductive connecting rod 6 connected with the second circuit contact end 53, and the zero lines of the first circuit, the second circuit and the bypass circuit are all connected with the user.
The position of the conductive sheet 11 is adjusted by rotating the blocking dial 14, when the gear groove 13 on the conductive sheet 11 is clamped with the first gear limiting block 41, the first circuit contact end 51 connected with the first circuit is communicated with the conductive column 10 through the conductive sheet 11, the conductive column 10 is communicated with a user circuit along the user circuit contact end 18 and the conductive push rod 17, and at the moment, the first circuit supplies power to the user.
When the gear slot 13 is clamped with the second gear limiting block 42, the bypass circuit outputs a voltage synchronous with the first circuit through the PMW, and the bypass circuit contact end 52 connected with the bypass circuit is communicated with the conductive column 10 through the conductive sheet 11 and is communicated with a user in parallel with the first circuit.
The first circuit needs to be disconnected at this time, the gear slot 13 is clamped with the third gear limiting block 43, at this time, the first circuit contact end 51 is disconnected with the conducting strip 11, the bypass circuit supplies power to a user, after N power frequency periods t, the phase is shifted, and when the output voltage is consistent with the second circuit voltage, the frequency is changed back to be synchronous with the power grid.
The gear slot 13 is then snapped into place with the fourth gear limiting block 44, whereupon the second circuit contact 53 to which the second circuit is connected in parallel with the conductive post 10 via the conductive strip 11 to the user's circuit.
Finally, the gear slot 13 is clamped with the fifth gear limiting block 45, at this time, the bypass circuit contact end 52 connected with the bypass circuit is disconnected with the conducting strip 11, and power is supplied by the second circuit, and at this time, switching is completed.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a zero excessive phase change switch, includes switch body (1), gearshift (2), circuit coupling mechanism (3), its characterized in that: the switch body (1) comprises a switch base (7), a contact end cavity (8) and a switch top cover (9), the circuit connecting mechanism (3) comprises a circuit connecting column (15) and a circuit joint (16), the switch base (7) is in a cylindrical shape, the switch top cover (9) is arranged on the upper end face of the switch base (7), three contact end cavities (8) are uniformly formed in the upper end face of the switch base (7), a cylindrical circuit contact end (5) is arranged above the inside of the contact end cavity (8), a conductive connecting rod (6) is arranged at the inner bottom of the contact end cavity (8), the bottom surface of the circuit contact end (5) is connected with the conductive connecting rod (6) through an elastic conductor, three circuit connecting columns (15) are uniformly arranged in the middle of the outer wall of the switch base (7), one end of the conductive connecting rod (6) penetrates outwards along the middle of the three circuit connecting columns (15) in the middle of the switch base (7), the inside of the switch base (7) is provided with a conductive connecting rod (2), the bottom surface of the circuit contact end (5) is connected with the conductive connecting rod (10) through an elastic conductor, the conductive rod (10) is in the middle of the switch base (10) and the conductive rod (10) is in the shape of the switch base (10), the upper end of conducting rod (10) is equipped with conducting strip (11) and insulating piece (12), and conducting strip (11) and insulating piece (12) are the sector plate body, and gear groove (13) have been seted up to the lateral wall of conducting strip (11), and the centre top of conducting strip (11) and insulating piece (12) is equipped with keeps off and dials (14) through the connecting rod, five cavitys have been seted up along the outer wall of conducting strip (11) and insulating piece (12) to the up end of switch base (7), all are equipped with gear limiting block (4) in five cavitys, the through-hole is seted up to the lower extreme of conducting rod (10), and the inside top of through-hole is equipped with user circuit contact end (18), and the inside below of through-hole is equipped with electrically conductive ejector pin (17), and the lower surface of user circuit contact end (18) is connected with electrically conductive ejector pin (17) through the elastic conductor, and the lower extreme of electrically conductive ejector pin (17) wears out along circuit spliced pole (15) that switch base (7) lower terminal surface was established, circuit spliced pole (15) outer end and circuit joint (16) one end are inserted.
2. A zero-transition phase change switch as defined in claim 1, wherein: the three circuit contact ends (5) are respectively a first circuit contact end (51), a bypass circuit contact end (52) and a second circuit contact end (53), the five gear limiting blocks (4) are respectively a first gear limiting block (41), a second gear limiting block (42), a third gear limiting block (43), a fourth gear limiting block (44) and a fifth gear limiting block (45), the first gear limiting block (41) is arranged on the outer side of the first circuit contact end (51), and the five gear limiting blocks (4) are distributed anticlockwise along the angle interval of 60 degrees.
3. A zero-transition phase change switch as defined in claim 1, wherein: the fan-shaped angle of the conducting strip (11) is 120 degrees, the gear groove (13) is arranged in the middle of the cambered surface of the outer wall of the conducting strip (11), and the fan-shaped angle of the insulating strip (12) is 240 degrees.
4. A zero-transition phase change switch as defined in claim 1, wherein: the outer side of the gear limiting block (4) is connected with the outer side wall of a cavity formed in the upper end face of the switch base (7) through a spring, the inner side of the gear limiting block (4) is a semicircular arc face, the gear groove (13) is a concave semicircular arc face, and the inner side end of the gear limiting block (4) is clamped with the gear groove (13) in a matching mode.
5. A zero-transition phase change switch as defined in claim 1, wherein: the upper end of the circuit contact end (5) is hemispherical, the lower surface of the conducting strip (11) is provided with a circular groove, and the upper end of the circuit contact end (5) is in fit contact with the circular groove formed in the lower surface of the conducting strip (11).
6. A zero-transition phase change switch as defined in claim 1, wherein: the circuit connecting column (15) is cylindrical, a plurality of connecting claws (19) are arranged at the edge of the outer end of the circuit connecting column (15), triangular buckles which are arranged inwards are arranged at the outer ends of the connecting claws (19), and a clamping ring matched with the buckles is arranged on the outer wall of one side, which is contacted with the circuit connecting column (15), of the circuit connector (16).
7. A zero-transition phase change switch as defined in claim 1, wherein: the gear shifting device is characterized in that an arrow indication is arranged on the gear shifting device (14), the arrow indication is consistent with the direction of the gear groove (13), and position indication marks of five gear limiting blocks (4) are arranged on the upper surface of the switch top cover (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811089668.2A CN109216084B (en) | 2018-09-18 | 2018-09-18 | Zero-transition phase change switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811089668.2A CN109216084B (en) | 2018-09-18 | 2018-09-18 | Zero-transition phase change switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109216084A CN109216084A (en) | 2019-01-15 |
| CN109216084B true CN109216084B (en) | 2024-03-08 |
Family
ID=64983995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811089668.2A Active CN109216084B (en) | 2018-09-18 | 2018-09-18 | Zero-transition phase change switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109216084B (en) |
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|---|---|---|---|---|
| EP0563530A1 (en) * | 1992-04-02 | 1993-10-06 | Efen Elektrotechnische Fabrik GmbH | Power switch block |
| EP0920081A1 (en) * | 1997-11-29 | 1999-06-02 | Preh-Werke GmbH & Co. KG | Rotary switch or resistor |
| US6236007B1 (en) * | 2000-08-10 | 2001-05-22 | Chi-Wen Chen | Rotary switch for a two-wire electrical cable |
| JP2002367461A (en) * | 2001-06-11 | 2002-12-20 | Yazaki Corp | Power control device |
| US6737598B1 (en) * | 2002-12-11 | 2004-05-18 | Tyco Electronics Canada, Ltd. | Electrical switch with limited contact arcing |
| DE102007042396A1 (en) * | 2007-09-05 | 2009-03-12 | Siemens Ag | Switch with at least two switching levels |
| CN201465855U (en) * | 2009-03-28 | 2010-05-12 | 湖州莱檬电子科技有限公司 | Rotary switch |
| CN201946483U (en) * | 2010-10-12 | 2011-08-24 | 林振德 | Multifunctional rotary switch |
| CN202094025U (en) * | 2011-03-15 | 2011-12-28 | 江门市竞晖电器实业有限公司 | Novel gear-adjustable rotary switch |
| CN104900441A (en) * | 2014-03-07 | 2015-09-09 | 福州斯狄渢电热水器有限公司 | Gear switch adjusting device |
| DE102014107273A1 (en) * | 2014-05-23 | 2015-11-26 | Maschinenfabrik Reinhausen Gmbh | Diverter switch for an on-load tap-changer and permanent main switch for this |
| CN205159176U (en) * | 2015-11-30 | 2016-04-13 | 孔令权 | Change -over switch |
| CN207097725U (en) * | 2017-06-26 | 2018-03-13 | 瑞安市中联电声乐器有限公司 | A kind of sound pick-up shift switch |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001266703A (en) * | 2000-03-23 | 2001-09-28 | Tokai Rika Co Ltd | Switching device |
| US9396894B2 (en) * | 2013-11-04 | 2016-07-19 | Rocal Corporation | Conductivity power connection |
| JP6266550B2 (en) * | 2015-02-25 | 2018-01-24 | 株式会社東海理化電機製作所 | Switch device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0563530A1 (en) * | 1992-04-02 | 1993-10-06 | Efen Elektrotechnische Fabrik GmbH | Power switch block |
| EP0920081A1 (en) * | 1997-11-29 | 1999-06-02 | Preh-Werke GmbH & Co. KG | Rotary switch or resistor |
| US6236007B1 (en) * | 2000-08-10 | 2001-05-22 | Chi-Wen Chen | Rotary switch for a two-wire electrical cable |
| JP2002367461A (en) * | 2001-06-11 | 2002-12-20 | Yazaki Corp | Power control device |
| US6737598B1 (en) * | 2002-12-11 | 2004-05-18 | Tyco Electronics Canada, Ltd. | Electrical switch with limited contact arcing |
| DE102007042396A1 (en) * | 2007-09-05 | 2009-03-12 | Siemens Ag | Switch with at least two switching levels |
| CN201465855U (en) * | 2009-03-28 | 2010-05-12 | 湖州莱檬电子科技有限公司 | Rotary switch |
| CN201946483U (en) * | 2010-10-12 | 2011-08-24 | 林振德 | Multifunctional rotary switch |
| CN202094025U (en) * | 2011-03-15 | 2011-12-28 | 江门市竞晖电器实业有限公司 | Novel gear-adjustable rotary switch |
| CN104900441A (en) * | 2014-03-07 | 2015-09-09 | 福州斯狄渢电热水器有限公司 | Gear switch adjusting device |
| DE102014107273A1 (en) * | 2014-05-23 | 2015-11-26 | Maschinenfabrik Reinhausen Gmbh | Diverter switch for an on-load tap-changer and permanent main switch for this |
| CN205159176U (en) * | 2015-11-30 | 2016-04-13 | 孔令权 | Change -over switch |
| CN207097725U (en) * | 2017-06-26 | 2018-03-13 | 瑞安市中联电声乐器有限公司 | A kind of sound pick-up shift switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109216084A (en) | 2019-01-15 |
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