CN102426944B - Change-over switch electrical appliance - Google Patents
Change-over switch electrical appliance Download PDFInfo
- Publication number
- CN102426944B CN102426944B CN2011103534793A CN201110353479A CN102426944B CN 102426944 B CN102426944 B CN 102426944B CN 2011103534793 A CN2011103534793 A CN 2011103534793A CN 201110353479 A CN201110353479 A CN 201110353479A CN 102426944 B CN102426944 B CN 102426944B
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- gear
- cam
- electromagnet
- axis hole
- pole socket
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Abstract
The invention discloses a change-over switch electrical appliance comprising cam mechanisms, a manual device and a contact device, wherein each cam mechanism is composed of an electromagnet, an 'L'-shaped rod, a connecting rod and a cam; the electromagnet is connected with the 'L'-shaped rod and the 'L'-shaped rod is used for driving the cam to rotate through the connecting rod; the cam contacts with a moving contact on the contact device to control an opening state or a closing state of the contact device 4, so that mutual changing between two paths of power supply circuits is realized. Through the manual device, an initial state of the moving contact on the contact device is conveniently set. In the invention, two groups of the cam mechanisms are adopted to contact with the moving contact so that the mutual changing of the opening or the closing of the two paths of the power supply circuits is realized. The change-over switch electrical appliance provided by the invention has the advantages of simplicity in structure, convenience for changing over and high work reliability.
Description
Technical field
The present invention relates to the electrical engineering and electric apparatus technical field, especially a kind of transfer switching equipment.
Background technology
Transfer switching equipment is mainly used in the switching of two-way power circuit, and the guarantee load is powered continuously.The transfer switching equipment of prior art, the service position of pressing contact, can be divided into two working positions and three working positions.The problem existed is, this series products adopts the switching mechanism of lever and connecting rod, completes a change-over period, need to change jobs and just can be achieved by the wheel of three magnet, and its complex structure, working link is many and reliability product is low.
Summary of the invention
A kind of transfer switching equipment provided for the deficiencies in the prior art is provided, and the present invention adopts two groups of cam mechanisms to touch the structure of moving contact, realizes the conversion that the two-way power circuit is closed or disconnect.Have simple in structurely, conversion is convenient, the advantage that functional reliability is high.
The concrete technical scheme that realizes the object of the invention is:
A kind of transfer switching equipment, its characteristics comprise cam mechanism, hand gear and contact apparatus, described cam mechanism is comprised of electromagnet, " L " type bar, connecting rod and cam, cam mechanism is provided with " L " type pole socket, camshaft holder, guide plate and electromagnet base, electromagnet is provided with expansion link, " L " type bar is provided with shaft gear, the first axis hole and the second axis hole, and an end of connecting rod is provided with pulley, and cam is provided with axis hole and chute; Described electromagnet is located on electromagnet base, " L " type bar is hinged through shaft gear and " L " type pole socket, cam is hinged through axis hole and cam free bearing, wherein, the expansion link of electromagnet is hinged with the first axis hole of " L " type bar, the end that connecting rod is provided with pulley passes guide plate and touches in the chute of cam, and the other end is hinged with the second axis hole of " L " type bar; Described hand gear is comprised of selector bar and manual pole socket, and selector bar is provided with the second gear and the 3rd gear, and selector bar is articulated on manual pole socket, and the second gear and the 3rd gear are positioned at the two ends of manual pole socket; Described cam mechanism is two groups, be antisymmetry and be located at the hand gear dual-side and be connected with manual pole socket, and the shaft gear on two " L " type bars meshes with the second gear and the 3rd gear respectively; Described contact apparatus is provided with moving contact, and contact apparatus is two, and correspondence is located at the top of cam mechanism respectively, and moving contact touches on the outward flange of cam; On described the second gear, the 3rd gear wheel and shaft gear, set gear is half gear.
The present invention adopts two groups of cam mechanisms to touch the structure of moving contact, realizes the conversion that the two-way power circuit is closed or disconnect.Have simple in structurely, conversion is convenient, the advantage that functional reliability is high.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the end view of Fig. 1;
Fig. 3 is the upward view of Fig. 1.
Embodiment
Consult Fig. 1, Fig. 2, Fig. 3, the present invention includes cam mechanism 1, hand gear 3 and contact apparatus 4, described cam mechanism 1 is comprised of electromagnet 11, " L " type bar 5, connecting rod 6 and cam 7, cam mechanism 1 is provided with " L " type pole socket 21, camshaft holder 23, guide plate 26 and electromagnet base 27, electromagnet 11 is provided with expansion link 12, " L " type bar 5 is provided with shaft gear 51, the first axis hole 52 and the second axis hole 53, one end of connecting rod 6 is provided with pulley 62, and cam 7 is provided with axis hole 71 and chute 72; Described electromagnet 11 is located on electromagnet base 27, " L " type bar 5 is hinged through shaft gear 51 and " L " type pole socket 21, cam 7 is hinged through axis hole 71 and cam free bearing 23, wherein, the expansion link 12 of electromagnet 11 is hinged with the first axis hole 52 of " L " type bar 5, the end that connecting rod 6 is provided with pulley 62 passes guide plate 26 and touches in the chute 72 of cam 7, and the other end is hinged with the second axis hole 53 of " L " type bar 5; Described hand gear 3 is comprised of selector bar 35 and manual pole socket 36, and selector bar 35 is provided with the second gear 31 and the 3rd gear 33, and selector bar 35 is articulated on manual pole socket 36, and the second gear 31 and the 3rd gear 33 are positioned at the two ends of manual pole socket 36; Described cam mechanism 1 is two groups, be antisymmetry and be located at hand gear 3 dual-sides and be connected with manual pole socket 36, and the shaft gear 51 on two " L " type bars 5 meshes with the second gear 31 and the 3rd gear 33 respectively; Described contact apparatus 4 is provided with moving contact 41, and contact apparatus 4 is two, and correspondence is located at the top of cam mechanism 1 respectively, and moving contact 41 touches on the outward flange of cam 7; On described the second gear 31, the 3rd gear wheel 33 and shaft gear 51, set gear is half gear.
The present invention is work like this:
The present invention passes through sequence circuit, control two groups of electromagnet 11 on cam mechanism 1, by adhesive or the release of electromagnet 11, driving cam 7 touches respectively two moving contacts 41, control disconnection or the closure state of contact apparatus 4, realize the mutual switching of two-way power circuit.
The one group of cam mechanism 1 of take is example, adopts magnet control, further illustrates the course of work as follows:
Under the effect that sequence circuit starts, electromagnet 11 adhesives, because the expansion link 12 of electromagnet 11 is hinged with the first axis hole 52 of " L " type of driving bar 5, the expansion link 12 of electromagnet 11 drives " L " type bar 5 and rotates counterclockwise around " L " type pole socket 21, drive connecting rod 6 up, pulley 62 on connecting rod 6 is under the guide effect of guide plate 26, touch in the chute 72 of cam 7, ordering about cam 7 clockwise rotates around axis hole 71, it is up that the outward flange of cam 7 touches the moving contact 41 of contact apparatus 4, make moving contact 41 and contact apparatus 4 closures, make this power circuit conducting, now control circuit cuts out, and electromagnet 11 discharges, and the expansion link 12 of electromagnet 11 resets, " L " type of driving bar 5 clockwise rotates around " L " type pole socket 21, and the pulley 62 driven on connecting rod 6 resets in the chute 72 of cam 7, now, cam 7 state of remaining stationary is constant, under the effect that sequence circuit starts again, electromagnet 11 adhesives, the expansion link 12 of electromagnet 11 drives " L " type bar 5 and again rotates counterclockwise around " L " type pole socket 21, drive connecting rod 6 up, pulley 62 on connecting rod 6 is under the guide effect of guide plate 26, pulley 62 orders about cam 7 and rotates counterclockwise around axis hole 71 in the chute 72 of cam 7, it is descending that the outward flange of cam 7 touches the moving contact 41 of contact apparatus 4, moving contact 41 and contact apparatus 4 are disconnected, this power circuit is disconnected, completes whole courses of work of one group of cam mechanism 1.
The present invention, by hand gear, can control the initial position of two groups of cam mechanism 1 overhead cams 7, touches respectively two moving contacts 41 by cam 7, controls disconnection or the closed initial condition of contact apparatus 4, and the specific works process is as follows:
Rotate counterclockwise the selector bar 35 of hand gear 3, shaft gear 51, " L " type bar 5 that the second gear 31 on selector bar 35 drives on one group of cam mechanism 1 rotate counterclockwise around " L " type pole socket 21, drive connecting rod 6 up, the end that connecting rod 6 is provided with pulley 62 touches in the chute 72 of cam 7, ordering about cam 7 clockwise rotates around axis hole 71, it is up that the outward flange of cam 7 touches the moving contact 41 of contact apparatus 4, makes moving contact 41 closed or disconnect with contact apparatus 4; Because set gear on the second gear 31, the 3rd gear wheel 33 and shaft gear 51 is half gear, during axle shaft gear 51 engagement on the second gear 31 and one group of cam mechanism 1, between axle shaft gear 51 on the 3rd gear 33 and another group cam mechanism 1, be in anodontia zone, so axle shaft gear 51, connecting rod 6 and cam 7 on another group cam mechanism 1 can not move.Otherwise, clockwise rotate the selector bar 35 of hand gear 3, shaft gear 51, " L " type bar 5 that the 3rd gear 33 on selector bar 35 drives on another group cam mechanism 1 rotate counterclockwise around " L " type pole socket 21, realize manually controlling respectively two moving contacts 41 and with contact apparatus 4, disconnect or closed initial condition.
Claims (2)
1. transfer switching equipment, it is characterized in that it comprises cam mechanism (1), hand gear (3) and contact apparatus (4), described cam mechanism (1) is by electromagnet (11), " L " type bar (5), connecting rod (6) and cam (7) form, cam mechanism (1) is provided with " L " type pole socket (21), camshaft holder (23), guide plate (26) and electromagnet base (27), electromagnet (11) is provided with expansion link (12), " L " type bar (5) is provided with shaft gear (51), the first axis hole (52) and the second axis hole (53), one end of connecting rod (6) is provided with pulley (62), cam (7) is provided with axis hole (71) and chute (72), described electromagnet (11) is located on electromagnet base (27), " L " type bar (5) is hinged through shaft gear (51) and " L " type pole socket (21), cam (7) is hinged through axis hole (71) and cam free bearing (23), wherein, the expansion link (12) of electromagnet (11) is hinged with first axis hole (52) of " L " type bar (5), the end that connecting rod (6) is provided with pulley (62) passes guide plate (26) and touches in the chute (72) of cam (7), and the other end is hinged with second axis hole (53) of " L " type bar (5), described hand gear (3) is comprised of selector bar (35) and manual pole socket (36), selector bar (35) is provided with the second gear (31) and the 3rd gear (33), it is upper that selector bar (35) is articulated in manual pole socket (36), and the second gear (31) and the 3rd gear (33) are positioned at the two ends of manual pole socket (36), described cam mechanism (1) is two groups, be antisymmetry and be located at hand gear (3) dual-side and be connected with manual pole socket (36), and the shaft gear (51) on two " L " type bars (5) meshes with the second gear (31) and the 3rd gear (33) respectively, described contact apparatus (4) is provided with moving contact (41), and contact apparatus (4) is two, and correspondence is located at the top of cam mechanism (1) respectively, and moving contact (41) touches on the outward flange of cam (7).
2. transfer switching equipment according to claim 1, is characterized in that the upper set gear of the second gear (31), the 3rd gear (33) and shaft gear (51) is half gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103534793A CN102426944B (en) | 2011-11-10 | 2011-11-10 | Change-over switch electrical appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103534793A CN102426944B (en) | 2011-11-10 | 2011-11-10 | Change-over switch electrical appliance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102426944A CN102426944A (en) | 2012-04-25 |
| CN102426944B true CN102426944B (en) | 2013-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103534793A Expired - Fee Related CN102426944B (en) | 2011-11-10 | 2011-11-10 | Change-over switch electrical appliance |
Country Status (1)
| Country | Link |
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| CN (1) | CN102426944B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109509646B (en) | 2017-09-15 | 2023-01-06 | Abb 瑞士股份有限公司 | Switching device |
| CN112268042A (en) * | 2020-10-20 | 2021-01-26 | 雪宝国际智能科技有限公司 | Furniture board for children's room |
| CN114038694B (en) * | 2021-10-26 | 2023-06-16 | 天水师范学院 | Energy-saving conversion device of switch electric appliance |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2353027Y (en) * | 1998-09-28 | 1999-12-08 | 江苏泰航电器有限公司 | Lockable type electromagnetic, automatic and double power supply switch |
| CN2679817Y (en) * | 2003-09-26 | 2005-02-16 | 上海电器科学研究所（集团）有限公司 | Driving gear of auto transfer switch |
| CN101350259A (en) * | 2008-09-03 | 2009-01-21 | 深圳市泰永科技股份有限公司 | Automatic transfer switch electric appliance for moment parallel device |
| CN102034619A (en) * | 2010-11-29 | 2011-04-27 | 西安交通大学 | Permanent magnet mechanism automatic changeover switch |
| CN202307577U (en) * | 2011-11-10 | 2012-07-04 | 上海方同电气科技发展有限公司 | Change-over switch appliance |
-
2011
- 2011-11-10 CN CN2011103534793A patent/CN102426944B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2353027Y (en) * | 1998-09-28 | 1999-12-08 | 江苏泰航电器有限公司 | Lockable type electromagnetic, automatic and double power supply switch |
| CN2679817Y (en) * | 2003-09-26 | 2005-02-16 | 上海电器科学研究所（集团）有限公司 | Driving gear of auto transfer switch |
| CN101350259A (en) * | 2008-09-03 | 2009-01-21 | 深圳市泰永科技股份有限公司 | Automatic transfer switch electric appliance for moment parallel device |
| CN102034619A (en) * | 2010-11-29 | 2011-04-27 | 西安交通大学 | Permanent magnet mechanism automatic changeover switch |
| CN202307577U (en) * | 2011-11-10 | 2012-07-04 | 上海方同电气科技发展有限公司 | Change-over switch appliance |
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| Publication number | Publication date |
|---|---|
| CN102426944A (en) | 2012-04-25 |
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Granted publication date: 20131127 Termination date: 20161110 |
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