CN102610403A - Contact system for double-power-supply conversion switch - Google Patents
Contact system for double-power-supply conversion switch Download PDFInfo
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- CN102610403A CN102610403A CN2012100500003A CN201210050000A CN102610403A CN 102610403 A CN102610403 A CN 102610403A CN 2012100500003 A CN2012100500003 A CN 2012100500003A CN 201210050000 A CN201210050000 A CN 201210050000A CN 102610403 A CN102610403 A CN 102610403A
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Abstract
The invention discloses a contact system for a dual-power-supply conversion switch, which comprises a mounting base, and a double-power-supply contact system and a switch mechanism that are arranged on the mounting base; the dual-power-supply contact system comprises a main power supply wire-incoming terminal, an auxiliary power supply wire-incoming terminal, a load wire-outgoing terminal, a main static contact connected with the main power supply wire-incoming terminal, an auxiliary static contact connected with the auxiliary power supply wire-incoming terminal, a main movable contact rotatably arranged on the mounting base and an auxiliary movable contact rotatably arranged on the mounting base; the main power supply wire-incoming terminal, the auxiliary power supply wire-incoming terminal and the load wire-outgoing terminal are arranged at the same side end of the mounting base; and the load wire-outgoing terminal is arranged between the main power supply wire-outgoing terminal and the auxiliary power supply wire-incoming terminal. The contact system disclosed by the invention is more reasonable and compact in structure, can meet requirements of high-current work and has the capabilities of effectively reducing the whole occupied space and decreasing the manufacturing cost.
Description
Technical field
The invention belongs to low-voltage electrical apparatus structure-design technique field, be specifically related to a kind of contact system that is used for dual-power transfer switch.
Background technology
The topmost performance index of automatic transfer switching electric appliance are short circuit making capacity, short circuit breaking capacity, electrical endurance and mechanical endurance, and device for switching structure and performance index effect have direct relation.What the automatic transfer switching electric appliance of traditional above specification of 630A used is two-shipper structure or double electromagnet interlock; Its shortcoming is to require height at the quality of fit that adopts many its each parts of complex structure of two-shipper structure its parts of transmission, and breaks down often; Adopt the double electromagnet interlock in debugging and maintenance, need could move, otherwise automatic change-over just can not use to the electromagnet power switch.
Be the diverter switch electrical equipment that use in place that 630A electricity consumption requirement can not have a power failure both at home and abroad in rated current; Great majority all are that two omnipotent breaker switches adopting add switch controller and constitute with mechanical interlocking, and its design feature is: adopt two omnipotent breakers with regard to the busbar that is connected between the secondary control loop that must adopt two cabinets and add these two switches and this two cabinet.So not only uneconomical, but also waste resource, and floor space is big.
Summary of the invention
The purpose of this invention is to provide the comparatively reasonable compactness of a kind of structure, can satisfy the demand of big current work, and can effectively reduce the contact system that is used for dual-power transfer switch that integral body takes up room.
The technical scheme that realizes the object of the invention is: a kind of contact system that is used for dual-power transfer switch comprises mount pad, and is arranged on duplicate supply contact system and switching mechanism on the mount pad; Said duplicate supply contact system comprises that active contact, rotation that main power source input terminal, auxiliary power input terminal, load outlet terminal, the main fixed contact that links to each other with the main power source input terminal, the secondary fixed contact that links to each other with the auxiliary power input terminal, rotation are arranged on the mount pad are arranged on the secondary moving contact on the mount pad; Said main power source input terminal, auxiliary power input terminal, load outlet terminal are arranged on the same side of mount pad, and said load outlet terminal is arranged between main power source input terminal and the auxiliary power input terminal.
In the such scheme, said duplicate supply contact system also comprises the support plate that is fixed on load outlet terminal medial extremity; Said active contact and secondary moving contact include copper movable contact plate, the made contact supporter of insulating material, steel Contact Cover, trip bolt and buffering spring; One end and the said support plate of said steel Contact Cover are rotationally connected, and said movable contact plate is electrically connected with the load outlet terminal through being flexible coupling; Said buffer spring is arranged between contact supporter and the movable contact plate.
In the such scheme, said Contact Cover links to each other with switching mechanism; Said support plate is provided with two axis holes, and said each Contact Cover is rotated and is arranged on the said support plate in the corresponding axis hole.
In the such scheme, be provided with locating part in the said mount pad with arc confined planes, said each contact supporter be provided with said locating part in the limiting section that matches of arc confined planes with arc guide surface.
The present invention has positive effect: the contact system structure among the present invention is comparatively rationally compact, can satisfy the demand of big current work, and can effectively reduce integral body and take up room, and reduces manufacturing cost.
In addition, said duplicate supply contact system also comprises the support plate that is fixed on load outlet terminal medial extremity; Said support plate is provided with two axis holes, and said each Contact Cover is rotated and is arranged on the said support plate in the corresponding axis hole.The stability of each moving contact had further promoted overall performance when this structure effectively improved the duplicate supply switching.
Description of drawings
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is a kind of structural representation of duplicate supply contact system among the present invention;
A kind of cutaway view of Fig. 3 duplicate supply contact system shown in Figure 2;
Fig. 4 is the sectional structure sketch map of a kind of dual-power transfer switch of adopting contact system shown in Figure 1 and processing;
Fig. 5 is a kind of structural representation of switching mechanism in the double power supply automatic transfer switch shown in Figure 4;
Fig. 6 is a kind of structural representation of interlock plate in the double power supply automatic transfer switch shown in Figure 4;
Fig. 7 is a kind of structural representation that switches main shaft in the double power supply automatic transfer switch shown in Figure 4;
Fig. 8 is a kind of structural representation of guider in the double power supply automatic transfer switch shown in Figure 4;
Fig. 9 is a kind of end view of guider shown in Figure 9;
Figure 10 is a kind of end view of guide plate in the guider shown in Figure 8;
Figure 11 is a kind of end view of limiting plate in the guider shown in Figure 8.
Embodiment
(embodiment 1)
Fig. 1 to Fig. 3 has shown a kind of embodiment of the present invention, and wherein Fig. 1 is a kind of structural representation of the present invention; Fig. 2 is a kind of structural representation of duplicate supply contact system among the present invention; A kind of cutaway view of Fig. 3 duplicate supply contact system shown in Figure 2.
Present embodiment is a kind of contact system that is used for dual-power transfer switch, sees Fig. 1 to Fig. 3, comprises mount pad 1, and is arranged on duplicate supply contact system 2 and switching mechanism 3 on the mount pad 1; Said duplicate supply contact system 2 comprises that active contact 26A, rotation that main power source input terminal 21, auxiliary power input terminal 22, load outlet terminal 23, the main fixed contact 24 that links to each other with main power source input terminal 21, the secondary fixed contact 25 that links to each other with auxiliary power input terminal 22, rotation are arranged on the mount pad 1 are arranged on the secondary moving contact 26B on the mount pad 1; Said main power source input terminal 21, auxiliary power input terminal 22, load outlet terminal 23 are arranged on the same side of mount pad 1, and said load outlet terminal 23 is arranged between main power source input terminal 21 and the auxiliary power input terminal 22.
Said duplicate supply contact system 2 also comprises the support plate 28 that is fixed on load outlet terminal 23 medial extremitys; Said active contact 26A and secondary moving contact 26B include the made contact supporter of copper movable contact plate 261, insulating material 262, steel Contact Cover 263, trip bolt 264 and buffering spring 265; One end and the said support plate 28 of said steel Contact Cover 263 are rotationally connected, and said movable contact plate 261 is electrically connected with load outlet terminal 23 through being flexible coupling; Said buffer spring 265 is arranged between contact supporter 262 and the movable contact plate 261.
Said Contact Cover 263 links to each other with switching mechanism; Said support plate 28 is provided with two axis holes 281, and said each Contact Cover 263 is rotated and is arranged on the said support plate 28 in the corresponding axis hole 281.
Be provided with locating part 11 in the said mount pad 1 with arc confined planes 111, said each contact supporter 262 be provided with said locating part 11 in the limiting section with arc guide surface 2621 that matches of arc confined planes 111.
Present embodiment has positive effect: the contact system structure in the present embodiment is comparatively rationally compact, can satisfy the demand of big current work, and can effectively reduce integral body and take up room, and reduces manufacturing cost.
In addition, said duplicate supply contact system 2 also comprises the support plate 28 that is fixed on load outlet terminal 23 medial extremitys; Said support plate 28 is provided with two axis holes 281, and said each Contact Cover 263 is rotated and is arranged on the said support plate 28 in the corresponding axis hole 281.The stability of each moving contact had further promoted overall performance when this structure effectively improved the duplicate supply switching.
(application examples)
Fig. 4 to Figure 11 has shown a kind of concrete application mode of the present invention, and wherein Fig. 4 is the sectional structure sketch map of a kind of dual-power transfer switch of adopting contact system shown in Figure 1 and processing; Fig. 5 is a kind of structural representation of switching mechanism in the double power supply automatic transfer switch shown in Figure 4; Fig. 6 is a kind of structural representation of interlock plate in the double power supply automatic transfer switch shown in Figure 4; Fig. 7 is a kind of structural representation that switches main shaft in the double power supply automatic transfer switch shown in Figure 4; Fig. 8 is a kind of structural representation of guider in the double power supply automatic transfer switch shown in Figure 4; Fig. 9 is a kind of end view of guider shown in Figure 9; Figure 10 is a kind of end view of guide plate in the guider shown in Figure 8; Figure 11 is a kind of end view of limiting plate in the guider shown in Figure 8.
Should use-case be a kind of double power supply automatic transfer switch, see Fig. 1 to Figure 11, comprise mount pad 1, and be arranged on duplicate supply contact system 2, switching mechanism 3 and operating mechanism 4 on the mount pad 1; Said duplicate supply contact system 2 comprises that active contact 26A, rotation that main power source input terminal 21, auxiliary power input terminal 22, load outlet terminal 23, the main fixed contact 24 that links to each other with main power source input terminal 21, the secondary fixed contact 25 that links to each other with auxiliary power input terminal 22, rotation are arranged on the mount pad 1 are arranged on the secondary moving contact 26B on the mount pad 1; Said main power source input terminal 21, auxiliary power input terminal 22, load outlet terminal 23 are arranged on the same side of mount pad 1, and said load outlet terminal 23 is arranged between main power source input terminal 21 and the auxiliary power input terminal 22; Said operating mechanism 4 is arranged on another side of mount pad 1.
Said switching mechanism 3 comprises switching main shaft 31; Be arranged on the reversing plate 32 that switches on the main shaft 31; Main transmission rotating shaft 33; Be arranged on the main connecting lever assembly 34 that being used in the main transmission rotating shaft 33 drives active contact 26A rotation; The main transmission assembly 35 that is used for interlock reversing plate 32 and main transmission rotating shaft 33; Auxiliary driving rotating shaft 36; Be arranged on the secondary connecting lever assembly 37 that being used in the auxiliary driving rotating shaft 36 drives secondary moving contact 26B rotation; The auxiliary driving assembly 38 that is used for interlock reversing plate 32 and auxiliary driving rotating shaft 36; Said main transmission rotating shaft 33 is symmetricly set on auxiliary driving rotating shaft 36 switches main shaft 31 both sides; Said reversing plate 32 is provided with the main transmission hole 321 and auxiliary driving hole 322 of arc; Said main transmission assembly 35 comprises main transmission connecting lever 351 that is fixed in the main transmission rotating shaft 33 and the main transmission connecting rod 352 that is used to be connected main transmission connecting lever 351 and reversing plate 32; One end and the main transmission connecting lever 351 of said main transmission connecting rod 352 are rotationally connected, another side then with pass reversing plate 32 on the bearing pin in main transmission hole 321 link to each other; Said auxiliary driving assembly 38 comprises auxiliary driving connecting lever 381 that is fixed in the auxiliary driving rotating shaft 36 and the auxiliary driving connecting rod 382 that is used for auxiliary connection transmission crank arm 381 and reversing plate 32; One end and the auxiliary driving connecting lever 381 of said auxiliary driving connecting rod 382 are rotationally connected, another side then with pass reversing plate 32 on another bearing pin in auxiliary driving hole 322 link to each other.
Said main connecting lever assembly 34 comprises the main connecting lever 341 that is fixed in the main transmission rotating shaft 33, the master connecting-rod 342 that connects contact supporter 261 among main connecting lever 341 and the active contact 26A; Said secondary connecting lever assembly 37 comprises the slave connecting rod 372 of contact supporter among secondary connecting lever 371, auxiliary connection connecting lever 371 and the secondary moving contact 26B that is fixed in the auxiliary driving rotating shaft 36.
Said switching mechanism 3 also comprises main auxiliary tripping spring 391 and secondary auxiliary tripping spring 392; One end hook of said main auxiliary tripping spring 391 hangs on the mount pad 1, and the other end is hooked on the main connecting lever 341; One end hook of the auxiliary tripping spring 392 of said pair hangs on the mount pad 1, and the other end is hooked on the secondary connecting lever.
Also comprise indicating mechanism 5, said indicating mechanism 5 comprises and rotates the main indication piece 51 be arranged in the mount pad 1, is used to main indication piece 51 the master reset spring 52 of reseting elasticity is provided, rotates and be arranged on the secondary indication piece 53 in the mount pad 1 and be used to the secondary back-moving spring 54 that secondary indication piece 53 provides reseting elasticity; Said reversing plate 32 is provided with sliding surface 323; One end of said main indication piece 51 is under the effect of master reset spring 52; Be connected on the sliding surface 323 of reversing plate 32; Said main indication piece 51 can back and forth rotate in certain angle under the reset response of master reset spring 52 and under the toggle action of reversing plate 32, and the other end of said main indication piece 51 is provided with sign 511; One end of said secondary indication piece 53 is under the effect of secondary back-moving spring 54; Be connected on the sliding surface 323 of reversing plate 32; Said secondary indication piece 53 can back and forth rotate in certain angle under the reset response of secondary back-moving spring 54 and under the toggle action of reversing plate 32, and the other end of said secondary indication piece 53 is provided with sign 531.
Be equipped with waist shape hanging hole 55 on said main indication piece 51 and the secondary indication piece 53; One end hook of said master reset spring 52 hangs on the mount pad 1, and the other end is hooked in the waist shape hanging hole 55 of main indication piece 51, and in the rotation process of main indication piece 51, from then on an end of waist shape hanging hole 55 moves to the other end; One end hook of said secondary back-moving spring 54 hangs on the mount pad 1, and the other end is hooked in the waist shape hanging hole 55 of secondary indication piece 53, and in the rotation process of secondary indication piece 53, from then on an end of waist shape hanging hole 55 moves to the other end.
Also comprise interlocking device 7; Be provided with framework 41 and combined floodgate semiaxis 42 in the said operating mechanism 4; Said interlocking device 7 comprises interlock plate 71, main blocking lever 72 and duplicate invoice locking bar 73; The basic configuration of said interlock plate 71 is the Y shapes that are provided with three flanges 711, and its center is rotated through bearing pin and is arranged on the framework 41 of operating mechanism 4; Be equipped with an interlocking hole 712 in the said interlock plate 71 on each flange 711, one of them flange 711 is located on the combined floodgate semiaxis 42 through its chain borehole jack, and two flanges 711 link to each other with main blocking lever 72 or duplicate invoice locking bar 73 through its interlocking hole 712 in addition; The other end of said main blocking lever 72 links to each other with main indication piece 51, and said duplicate invoice locking bar 73 links to each other with secondary indication piece 53.
Said main indication piece 51 is provided with at it and is provided with a main connecting axle 512 between sign 511 and its center of rotation; One end of said main blocking lever 72 is provided with and is used for the waist-shaped hole that links to each other with 71 1 flanges 711 of interlock plate, and the other end is provided with and is used for the circular hole that links to each other with this main connecting axle 512; Said secondary indication piece 53 is provided with at it and is provided with a secondary connecting axle 532 between sign 531 and its center of rotation; One end of said duplicate invoice locking bar 73 is provided with and is used for the waist-shaped hole that links to each other with 71 1 flanges 711 of interlock plate, and the other end is provided with and is used for the circular hole that links to each other with this pair connecting axle 532.
Said duplicate supply contact system 2 also comprises the support plate 28 that is fixed on load outlet terminal 23 medial extremitys; Said active contact 26A and secondary moving contact 26B include the made contact supporter of copper movable contact plate 261, insulating material 262, steel Contact Cover 263, trip bolt 264 and buffering spring 265; One end and the said support plate 28 of said steel Contact Cover 263 are rotationally connected, and said movable contact plate 261 is electrically connected with load outlet terminal 23 through being flexible coupling; Said buffer spring 265 is arranged between contact supporter 262 and the movable contact plate 261.
Said Contact Cover 263 links to each other with switching mechanism; Said support plate 28 is provided with two axis holes 281, and said each Contact Cover 263 is rotated and is arranged on the said support plate 28 in the corresponding axis hole 281; Be provided with locating part 11 in the said mount pad 1 with arc confined planes 111, said each contact supporter 262 be provided with said locating part 11 in the limiting section with arc guide surface 2621 that matches of arc confined planes 111.
Also comprise guider 8; Said switching main shaft 31 is provided with two guiding connecting levers 311 and rotates and is arranged on two intermediate rotary shaft 100 on the guiding connecting lever 311; Said guider 8 comprises support 81, be arranged on guide plate 82 that two of support 81 two side ends are provided with slide opening 821, be arranged on limiting plate 83 that support 81 two side ends and between two guide plates 82 two are provided with spacing hole 831, two be provided with the fairlead 84 of dialling plate 841, two 85, intermediate sleeve of guiding tooth cover 86, two clutch springs 87, axis of guide 88, two switching-over springs 89 and three locating shafts 80 that are used to locate switching-over spring 89; Said intermediate rotary shaft 100 is passed the slide opening 821 of each guide plate 82 and the spacing hole 831 of each limiting plate 83.
The said tooth cover 85 of respectively leading is axially arranged with axis hole 851 along it, a said end that respectively leads tooth cover 85 be fixed on guide plate 82 away from the end that switches main shaft 31, other end end face is provided with friction teeth 852; The two ends of the said axis of guide 88 are arranged in the axis hole 851 of two guiding tooth covers 85; Each fairlead 84 is set on the axis of guide 88, and overlaps 85 in abutting connection with being provided with a guiding tooth, and the said tooth cover 85 that respectively leads is provided with clutch tooth 841 on an end of its tooth cover 85 that leads in abutting connection with corresponding one, and the other end is provided with two breach 842 with guiding hypotenuse; Said intermediate sleeve 86 and is fixed on the axis of guide 88 between two fairleads 84, and the two side ends of said intermediate sleeve 86 respectively is provided with two boss 861 with guiding hypotenuse, and said boss 861 matches with breach 842 on the fairlead 84; Said each clutch spring 87 is arranged between each fairlead 84 and the corresponding guiding tooth cover 85 with it, and said fairlead 84 leaves the gap between the friction teeth 852 in that its clutch tooth 841 is overlapped on 85 with the guiding tooth.
Also be provided with a spacing axis hole 832 and a positioning shaft hole 833 that is used to be provided with locating shaft 80 that is used for spacing guiding tooth cover 85 on each limiting plate 83; Said spacing hole 831 is that the circular hole 8311 by symmetrically arranged two decentraction is connected to form, and said spacing hole 831 is between its positioning shaft hole 822 and spacing axis hole 832.
Also be provided with two positioning shaft hole 822 and guiding axis holes 823 that are used to be provided with the axis of guide 88 that are used to be provided with locating shaft 80 on each guide plate 82; Its slide opening 821 matches with spacing hole 831 on the limiting plate 83, and the guiding axis hole 823 on the guide plate 82 is passed at the two ends of the said axis of guide 88; Positioning shaft hole 822 on the said limiting plate 83 is between two positioning shaft holes on the guide plate 82.
In three locating shafts 80, have a locating shaft 80 to pass 822, two locating shafts 80 of two positioning shaft holes on the limiting plate 83 and pass the corresponding positioning shaft hole 822 on two guide plates 82, and these two locating shafts 80 also are rotationally connected with a guiding connecting lever 311 separately; Each commutates spring 89 between two guide plates 82, and the one of which end is positioned to be hooked on and passes on the locating shaft 80 that is arranged on the limiting plate 83, and the other end is hooked on respectively on the locating shaft 80 that is arranged on the guide plate 82; Said guide plate 82 rotates to be arranged on through a cartridge clip 91 and switches on the main shaft 31.
Said guide plate 82 is provided with arc shaped breach 824 at it in abutting connection with a side that switches main shaft 31.
The said axis of guide 88, locating shaft 80 and intermediate rotary shaft 100 all with switch main shaft 31 and laterally arrange.
The switching mechanism and the body construction that should use-case adopt unique design; The load end of power supply commonly used and stand-by power supply is shared; Body part is become one; Shorten the overall dimension of switch greatly, thereby made that structure of the present invention is comparatively rationally compact, performance is comparatively good, effectively improved the conversion reliability.
Obviously, the above embodiment of the present invention only be for clearly the present invention is described and is done for example, and be not to be qualification to execution mode of the present invention.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all execution modes.And these belong to conspicuous variation or the change that connotation of the present invention extends out and still belong to protection scope of the present invention.
Claims (4)
1. a contact system that is used for dual-power transfer switch comprises mount pad (1), and is arranged on duplicate supply contact system (2) and switching mechanism (3) on the mount pad (1); It is characterized in that: said duplicate supply contact system (2) comprises that active contact (26A), rotation that main power source input terminal (21), auxiliary power input terminal (22), load outlet terminal (23), the main fixed contact (24) that links to each other with main power source input terminal (21), the secondary fixed contact (25) that links to each other with auxiliary power input terminal (22), rotation are arranged on the mount pad (1) are arranged on the secondary moving contact (26B) on the mount pad (1); Said main power source input terminal (21), auxiliary power input terminal (22), load outlet terminal (23) are arranged on the same side of mount pad (1), and said load outlet terminal (23) is arranged between main power source input terminal (21) and the auxiliary power input terminal (22).
2. the contact system that is used for dual-power transfer switch according to claim 1 is characterized in that: said duplicate supply contact system (2) also comprises the support plate (28) that is fixed on load outlet terminal (23) medial extremity;
Said active contact (26A) and secondary moving contact (26B) include copper movable contact plate (261), the made contact supporter of insulating material (262), steel Contact Cover (263), trip bolt (264) and buffering spring (265); One end of said steel Contact Cover (263) and said support plate (28) are rotationally connected, and said movable contact plate (261) is electrically connected with load outlet terminal (23) through being flexible coupling; Said buffer spring (265) is arranged between contact supporter (262) and the movable contact plate (261).
3. the contact system that is used for dual-power transfer switch according to claim 2 is characterized in that: said Contact Cover (263) links to each other with switching mechanism; Said support plate (28) is provided with two axis holes (281), and said each Contact Cover (263) rotation is arranged on said support plate (28) and goes up in the corresponding axis hole (281).Mount pad (1)
4. the contact system that is used for dual-power transfer switch according to claim 3; It is characterized in that: be provided with the locating part (11) with arc confined planes (111) in the said mount pad (1), said each contact supporter (262) is provided with the limiting section with arc guide surface (2621) that matches with the middle arc confined planes (111) of said locating part (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210050000.3A CN102610403B (en) | 2012-02-29 | 2012-02-29 | Contact system for double-power-supply conversion switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210050000.3A CN102610403B (en) | 2012-02-29 | 2012-02-29 | Contact system for double-power-supply conversion switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102610403A true CN102610403A (en) | 2012-07-25 |
| CN102610403B CN102610403B (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210050000.3A Active CN102610403B (en) | 2012-02-29 | 2012-02-29 | Contact system for double-power-supply conversion switch |
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| CN (1) | CN102610403B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100545971C (en) * | 2006-08-18 | 2009-09-30 | 宁波奇乐电器实业总公司 | Automatic transfer switching electric appliance |
| CN101763959A (en) * | 2010-01-06 | 2010-06-30 | 成峰 | Transfer mechanism of transfer switch equipment (TSE) |
| CN201667299U (en) * | 2009-12-12 | 2010-12-08 | 天水长城开关厂有限公司 | Mechanical interlocking mechanism of breaker and three-position disconnecting switch |
| CN201838488U (en) * | 2010-08-26 | 2011-05-18 | 巨邦电气有限公司 | Double-power automatic change-over switch |
| CN202616062U (en) * | 2012-02-29 | 2012-12-19 | 环宇集团有限公司 | Contact system used for dual supply change-over switch |
-
2012
- 2012-02-29 CN CN201210050000.3A patent/CN102610403B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100545971C (en) * | 2006-08-18 | 2009-09-30 | 宁波奇乐电器实业总公司 | Automatic transfer switching electric appliance |
| CN201667299U (en) * | 2009-12-12 | 2010-12-08 | 天水长城开关厂有限公司 | Mechanical interlocking mechanism of breaker and three-position disconnecting switch |
| CN101763959A (en) * | 2010-01-06 | 2010-06-30 | 成峰 | Transfer mechanism of transfer switch equipment (TSE) |
| CN201838488U (en) * | 2010-08-26 | 2011-05-18 | 巨邦电气有限公司 | Double-power automatic change-over switch |
| CN202616062U (en) * | 2012-02-29 | 2012-12-19 | 环宇集团有限公司 | Contact system used for dual supply change-over switch |
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| Publication number | Publication date |
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| CN102610403B (en) | 2015-04-08 |
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Effective date of registration: 20170807 Address after: 325603 Wenzhou Bridge Industrial Zone, Zhejiang, Yueqing Patentee after: Huanyu Group Zhejiang hi tech Limited by Share Ltd Address before: 325600 North white elephant Bridge Industrial Zone, Yueqing, Zhejiang Patentee before: Huyu Group Co., Ltd. |
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Address after: 325600 Wenzhou Daqiao Industrial Park, Yueqing City, Wenzhou City, Zhejiang Province Patentee after: Huanyu Hi Tech Co.,Ltd. Address before: 325600 Wenzhou Daqiao Industrial Zone, Yueqing City, Zhejiang Province Patentee before: Huanyu Hi Tech Co.,Ltd. |
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