CN204516624U - The indicating device of three position automatic transfer switching electric appliances - Google Patents
The indicating device of three position automatic transfer switching electric appliances Download PDFInfo
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- CN204516624U CN204516624U CN201520149635.8U CN201520149635U CN204516624U CN 204516624 U CN204516624 U CN 204516624U CN 201520149635 U CN201520149635 U CN 201520149635U CN 204516624 U CN204516624 U CN 204516624U
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Abstract
The utility model relates to a kind of indicating device of three position automatic transfer switching electric appliances, it comprises substrate, substrate is provided with conventional power supply indication piece and stand-by power supply indication piece, and the conventional conventional power supply status indication end of power supply indication piece and the stand-by power supply state indication end of stand-by power supply indication piece are all positioned at the same side of substrate; Power supply indication piece must be commonly used to swing on substrate around conventional power drives link and stand-by power supply indication piece can drive link to swing on substrate around stand-by power supply; The conventional power drives link of conventional power supply indication piece is also hinged with conventional power drives connecting rod, and the stand-by power supply of stand-by power supply indication piece drives link to be also hinged with stand-by power supply drive link.The utility model is simple and compact for structure, can with contact synchronization action, can in real time and correctly reflect contact state, easy for installation, safe and reliable.
Description
Technical field
The utility model relates to a kind of indicating device, and especially a kind of indicating device of three position automatic transfer switching electric appliances, belongs to the technical field of low-voltage electrical apparatus.
Background technology
Along with socioeconomic development, automatic transfer switching electric appliance is widely used in the low-voltage distribution system in the fields such as building, fire-fighting, industry, communication, finance, traffic, military affairs, as the conversion between two-way power supply, to guarantee the uninterrupted power supply of important load.And Large Copacity height inductive load (as transformer, high power motor even load) should directly not changed in principle, the automatic transfer switching electric appliance of three positions should be selected, first disconnecting consumers, change again after load is out of service, the impulse current produced when changing can being avoided like this, also can not give load by any out of order power supply.
In low voltage electrical apparatus technology field, three position automatic change-overs have three kinds of service positions, one is " conventional ON " (namely conventional power supply is connected), two is " stand-by power supply ON " (namely stand-by power supply is connected), three is " disconnecting OFF " (zero-bit be namely often called or interposition represent that two-way power supply is all disconnected).Operating state due to three position automatic transfer switching electric appliances is that the instruction relying on indicating device embodies, therefore indicating device is only had to indicate the state of contact system accurately, the operating state of three position automatic transfer switching electric appliances could be reflected really, for operating personnel and maintenance personal provide correct information, just can stop potential safety hazard during Operation and maintenance and avoid unnecessary loss.
At present, the indicating device of three general position automatic change-overs, indication piece is fixed on the rotating shaft of certain grade of travelling gear of motor-operating mechanism by most employing, in Power convert process, the motor of motor-operating mechanism all shows as the speed be similar at the uniform velocity and rotates, and follows motor uniform motion to drive indication piece.This work condition indicator has following problem: 1), the combined floodgate of dynamic/static contact or separating brake action complete instantaneously, and indication piece is then followed and done uniform rotation in motor, therefore indication piece does not often correctly reflect the real conditions of contact; 2), contact generation melting welding under extreme case, and main contact is not operating, is still in "on" position, main spring also cannot discharge and put in place, in this process, indication piece but rotates with the rotation of motor all the time, until motor stops operating because contact melting welding causes mechanism blockage; 3), after the combined floodgate of contact or separating brake action complete, because motor itself exists dwell time instability, make by the rotation dwell time of the rotating shaft of motor-driven travelling gear at different levels unstable equally, thus cause the indication piece pointed location be located on the rotating shaft of certain grade of travelling gear to depart from tram.Thus bring puzzlement to operating personnel and maintenance personal; 4), indication piece is driven to too increase switch manufacturing cost, inadequate energy-conserving and environment-protective with motor.
Summary of the invention
The purpose of this utility model overcomes the deficiencies in the prior art, and provide a kind of indicating device of three position automatic transfer switching electric appliances, it is simple and compact for structure, can with contact synchronization action, can in real time and correctly reflect contact state, easy for installation, safe and reliable.
According to the technical scheme that the utility model provides, the indicating device of described three position automatic transfer switching electric appliances, comprise substrate, be provided with the conventional power supply indication piece being used to indicate conventional power work state and the stand-by power supply indication piece being used to indicate stand-by power supply operating state on the substrate, the stand-by power supply state indication end of the contiguous stand-by power supply indication piece in conventional power supply status indication end of described conventional power supply indication piece, and the conventional conventional power supply status indication end of power supply indication piece and the stand-by power supply state indication end of stand-by power supply indication piece are all positioned at the same side of substrate, the conventional power drives link of conventional power supply indication piece, the stand-by power supply of stand-by power supply indication piece drive link to coordinate with substrate, can swing and stand-by power supply indication piece can drive link to swing on substrate around stand-by power supply to make conventional power supply indication piece around conventional power drives link on substrate, the conventional power drives link of conventional power supply indication piece is also hinged with the conventional power drives connecting rod for driving conventional power supply indication piece to swing, and the stand-by power supply of stand-by power supply indication piece drives link to be also hinged with the stand-by power supply drive link for driving stand-by power supply indication piece to swing.
Directly over described substrate, mounting panel is set, described mounting panel is fixedly connected with substrate by minor axis, the conventional power drives link of conventional power supply indication piece is on a mounting board hinged by conventional power supply connecting bushing, and the stand-by power supply of stand-by power supply indication piece drives link on a mounting board hinged by stand-by power supply connecting bushing.
One end that the conventional power drives link of described conventional power supply indication piece connects major axis and conventional power drives connecting rod by conventional power supply is hinged, and one end that the stand-by power supply of stand-by power supply indication piece drives link to connect major axis and stand-by power supply drive link by stand-by power supply is hinged.
The other end of described conventional power drives connecting rod is hinged with conventional power supply towing plate by conventional power supply connecting rob bushing, the other end of stand-by power supply drive link pass through stand-by power supply connecting rob bushing and stand-by power supply towing plate hinged.
Described conventional power drives connecting rod, stand-by power supply drive link are all S-type.
The conventional power supply status indication end conventional power supply first comprised for pasting " conventional-ON " of described conventional power supply indication piece indicates pasting boards and indicates pasting boards for pasting " conventional-OFF " conventional power supply second; Conventional power supply first indicates pasting boards and conventional power supply second to indicate the angle between pasting boards to be 22 ° ~ 27 °.
The stand-by power supply state indication end of described stand-by power supply indication piece comprises and indicates pasting boards for pasting "-ON for subsequent use " stand-by power supply first and indicate pasting boards for pasting "-OFF for subsequent use " stand-by power supply second; Stand-by power supply first indicates pasting boards and stand-by power supply second to indicate the angle between pasting boards to be 22 ° ~ 27 °.
Described conventional power supply connects the conventional power supply signal sensitive switch of side setting for gathering conventional power supply status feedback signal of major axis, and stand-by power supply connects the stand-by power supply signal sensitive switch of side setting for gathering stand-by power supply status feedback signal of major axis.
Advantage of the present utility model:
1, conventional power supply indication piece and stand-by power supply indication piece separate, be independent of each other, conventional power supply indication piece can rotate around conventional power supply connecting bushing, realize the instruction of conventional power supply moving contact state, stand-by power supply indication piece can rotate around stand-by power supply connecting bushing, realize the instruction of stand-by power supply moving contact state, not only simple and reliable, easy for installation, cost-saving, and the state of reflection contact that can be real-time, for operation and attendant provide the real work state position of automatic transfer switching electric appliance, thus stop hidden danger.
2, the utility model commonly use power supply connect major axis can coordinate with conventional power supply signal sensitive switch, stand-by power supply connects major axis and can coordinate with stand-by power supply signal sensitive switch, feedback signal can be provided for the state of moving contact corresponding after automatic change-over action by conventional power supply signal sensitive switch and stand-by power supply signal sensitive switch, thus provide convenient for switch internal design of secondary line and intelligent controller signals collecting.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is stereogram of the present utility model.
Fig. 3 is the structural representation that the utility model commonly uses power supply indication piece.
Fig. 4 is the structural representation of the utility model stand-by power supply indication piece.
Fig. 5 is the state diagram that the utility model arranges sensitive switch.
Description of reference numerals: 1-substrate, 2-mounting panel, 3-minor axis, 4-commonly uses power supply indication piece, 5-stand-by power supply indication piece, 6-commonly uses power supply connecting bushing, 7-commonly uses power supply and connects major axis, 8-commonly uses power drives connecting rod, 9-commonly uses power supply connecting rob bushing, 10-stand-by power supply connects major axis, 11-stand-by power supply connecting bushing, 12-stand-by power supply connecting rob bushing, 13-stand-by power supply drive link, 14-commonly uses power supply status indication end, 15-commonly uses power supply axle sleeve hole, 16-commonly uses power supply major axis hole, 17-stand-by power supply state indication end, 18-stand-by power supply axle sleeve hole, 19-stand-by power supply major axis hole, 20-commonly uses power supply signal sensitive switch, 21-stand-by power supply signal sensitive switch, 22-commonly uses power supply first and indicates pasting boards, 23-commonly uses power supply second and indicates pasting boards, 24-stand-by power supply first indicates pasting boards and 25-stand-by power supply second to indicate pasting boards.
Embodiment
Below in conjunction with concrete drawings and Examples, the utility model is described in further detail.
As depicted in figs. 1 and 2: in order to make indicating device can with contact synchronization action, can in real time and correctly reflect contact state, the utility model comprises substrate 1, described substrate 1 is provided with the conventional power supply indication piece 4 being used to indicate conventional power work state and the stand-by power supply indication piece 5 being used to indicate stand-by power supply operating state, the stand-by power supply state indication end 17 of the contiguous stand-by power supply indication piece 5 in conventional power supply status indication end 14 of described conventional power supply indication piece 4, and the conventional power supply status indication end 14 of conventional power supply indication piece 4 and the stand-by power supply state indication end 17 of stand-by power supply indication piece 5 are all positioned at the same side of substrate 1, the conventional power drives link of conventional power supply indication piece 4, the stand-by power supply of stand-by power supply indication piece 5 drive link to coordinate with substrate 1, can swing on substrate 1 and stand-by power supply indication piece 5 can drive link to swing on substrate 1 around stand-by power supply to make conventional power supply indication piece 4 around conventional power drives link, the conventional power drives link of conventional power supply indication piece 4 is also hinged with the conventional power drives connecting rod 8 for driving conventional power supply indication piece 4 to swing, and the stand-by power supply of stand-by power supply indication piece 5 drives link to be also hinged with the stand-by power supply drive link 13 for driving stand-by power supply indication piece 5 to swing.
Particularly, substrate 1 adopts the side plate of switch operating mechanism, conventional power supply indication piece 4 has conventional power supply status indication end 14 and the conventional power drives link corresponding with described conventional power supply status indication end 14, and stand-by power supply indication piece 5 has stand-by power supply state indication end 17 and the stand-by power supply corresponding with described stand-by power supply state indication end 17 drives link.On substrate 1, conventional power supply status indication end 14 and stand-by power supply state indication end 17 are positioned at the same side of substrate 1, conventional power drives link drives link corresponding with stand-by power supply, conventional power supply indication piece 4 can be swung after being driven by conventional power drives connecting rod 8 on substrate 1, and stand-by power supply indication piece 5 can be swung after being driven by stand-by power supply drive link 14 on substrate 1.
Conventional power supply indication piece 4 when conventional power drives link swings, can indicate the state opened or closed of conventional power supply on substrate 1; Stand-by power supply indication piece 5 when stand-by power supply drives link to swing, can indicate the state opened or closed of stand-by power supply on substrate 1.Keep separate between the conventional power supply indication piece 4 on substrate 1 and stand-by power supply indication piece 5, namely when the operating state of power supply is commonly used in conventional power supply indication piece 4 instruction, on stand-by power supply indication piece 5 on the instruction of stand-by power supply operating state without impact, also namely can not affect switch operating mechanism.
Further, directly over described substrate 1, mounting panel 2 is set, described mounting panel 2 is fixedly connected with substrate 1 by minor axis 3, the conventional power drives link of conventional power supply indication piece 4 is hinged on mounting panel 2 by conventional power supply connecting bushing 6, and the stand-by power supply of stand-by power supply indication piece 5 drives link to be hinged on mounting panel 2 by stand-by power supply connecting bushing 11.
In the utility model embodiment, mounting panel 2 and substrate 1 are in parallel distribution, mounting panel 2 is by keeping the distance set between minor axis 3 and substrate 1, conventional power supply indication piece 4 is all hinged on mounting panel 2 with stand-by power supply indication piece 5, conventional power supply indication piece 4 and stand-by power supply indication piece 5 can be allowed to swing the corresponding state of instruction better.Conventional power supply indication piece 4 can swing on mounting panel 2 around conventional power supply connecting bushing 6, and stand-by power supply indication piece 5 can swing on mounting panel 2 around stand-by power supply connecting bushing 11.
The conventional power drives link of described conventional power supply indication piece 4 connects major axis 7 by conventional power supply and is hinged with one end of conventional power drives connecting rod 8, and the stand-by power supply of stand-by power supply indication piece 5 drives link to connect major axis 10 by stand-by power supply and is hinged with one end of stand-by power supply drive link 13.
The other end of described conventional power drives connecting rod 8 is hinged with conventional power supply towing plate by conventional power supply connecting rob bushing 9, and the other end of stand-by power supply drive link 13 is hinged by stand-by power supply connecting rob bushing 12 and stand-by power supply towing plate.Described conventional power drives connecting rod 8, stand-by power supply drive link 13 are all S-type, the shape of conventional power drives connecting rod 8, stand-by power supply drive link 13 can reduce the moment produced in moment swing process, thus effectively reduces the resistance conventional power supply being connected to major axis 7, the motion of stand-by power supply connection major axis 10.
As shown in Figure 3 and Figure 4, the conventional power drives link of conventional power supply indication piece 4 has conventional power supply axle sleeve hole 15 and conventional power supply major axis hole 16, conventional power supply axle sleeve hole 15 matches with conventional power supply connecting bushing 6, conventional power supply indication piece 4 is hinged on mounting panel 2 by the conventional power supply connecting bushing 6 being positioned at conventional power supply axle sleeve hole 15, and one end that conventional power supply indication piece 4 connects major axis 7 and conventional power drives connecting rod 8 by the conventional power supply being positioned at conventional power supply major axis hole 16 is hinged.
In like manner, the stand-by power supply of stand-by power supply indication piece 5 drives link to have stand-by power supply axle sleeve hole 18 and stand-by power supply major axis hole 19, stand-by power supply indication piece 5 is hinged on mounting panel 2 by the stand-by power supply connecting bushing 11 being positioned at stand-by power supply axle sleeve hole 18, and it is hinged with one end of stand-by power supply drive link 13 that stand-by power supply indication piece 5 also connects major axis 10 by the stand-by power supply being positioned at stand-by power supply major axis hole 19.
Conventional power drives connecting rod 8 is hinged with conventional power supply towing plate by conventional power supply connecting rob bushing 9, and stand-by power supply drive link 13 is hinged by stand-by power supply connecting rob bushing 12 and stand-by power supply towing plate.In the specific implementation, conventional power supply towing plate can around conventional power supply towing plate axis of rotation, stand-by power supply towing plate can around stand-by power supply towing plate axis of rotation, the moving contact of conventional power supply towing plate and conventional power supply is hinged, the moving contact of stand-by power supply towing plate and stand-by power supply is hinged, conventional power supply towing plate, stand-by power supply towing plate all adopts the existing structure of existing automatic change-over, the moving contact of conventional power supply towing plate and conventional power supply is hinged, the moving contact of stand-by power supply towing plate and stand-by power supply is hinged also known by the art personnel, repeat no more herein.
When to close a floodgate conventional power supply time, operating mechanism can drive conventional power supply towing plate axis of rotation, drive switch on of moving contact to conventional power supply by conventional power supply towing plate, meanwhile, conventional power supply towing plate can drive the action of conventional power drives connecting rod 8, because conventional power drives connecting rod 8 is S-type, conventional power drives connecting rod 8 can connect by conventional power supply the conventional power drives link action that major axis 7 drives conventional power supply indication piece 4, namely conventional power supply indication piece 4 can rotate around conventional power supply connecting bushing 6, after conventional power supply indication piece 4 rotate in place, the state that conventional power supply status indication end 14 by conventional power supply indication piece 4 indicates " conventional-ON ", and stand-by power supply indication piece 5 still indicates "-OFF for subsequent use " state.
When will from conventional electrical source exchange to stand-by power supply time, need first conventional power supply indication piece 4 to be in instruction " conventional-OFF " state, namely operating mechanism drives conventional power supply towing plate axis of rotation, the moving contact separating brake of conventional power supply is driven by conventional power supply towing plate, simultaneously, conventional power supply towing plate can pull conventional power drives connecting rod 8, conventional power supply is driven to connect major axis 7 action by conventional power drives connecting rod 8, conventional power supply indication piece 4 is rotated around conventional power supply connecting bushing 6, at conventional power supply indication piece 4 after conventional power supply connecting bushing 6 rotate in place, the conventional power supply status indication end 14 of conventional power supply indication piece 4 can indicate " conventional-OFF " state.
" conventional-OFF " state is indicated and after the delay time of setting in the conventional power supply status indication end 14 of conventional power supply indication piece 4, operating mechanism drives stand-by power supply towing plate axis of rotation, stand-by power supply switch on of moving contact is driven by stand-by power supply towing plate, simultaneously, stand-by power supply towing plate drives stand-by power supply drive link 13 to move by stand-by power supply connecting rob bushing 12, stand-by power supply drive link 13 connects major axis 10 by stand-by power supply and drives stand-by power supply indication piece 5 to rotate around stand-by power supply connecting bushing 11, at stand-by power supply indication piece 5 after stand-by power supply connecting bushing 11 rotate in place, the stand-by power supply state indication end 17 of stand-by power supply indication piece 5 can indicate "-ON for subsequent use " state, now, stand-by power supply is in connection status.When needs are switched to conventional power supply from stand-by power supply again, need the state first stand-by power supply indication piece 5 being in instruction "-OFF for subsequent use ", then at the connection procedure repeating above-mentioned conventional power supply, specifically repeat no more.
As shown in Figure 3, the conventional power supply status indication end 14 of the described conventional power supply indication piece 4 conventional power supply first comprised for pasting " conventional-ON " indicates pasting boards 22 and indicates pasting boards 23 for pasting " conventional-OFF " conventional power supply second; Conventional power supply first indicates pasting boards 22 and conventional power supply second to indicate the angle between pasting boards 23 to be 22 ° ~ 27 °.
In the utility model embodiment, " conventional-ON " and " conventional-OFF " is bonded in the surface, the same side of conventional power supply status indication end 14, is specially the surface be pasted onto away from conventional power supply connecting bushing 6 side.
As shown in Figure 4, the stand-by power supply state indication end 17 of described stand-by power supply indication piece 5 comprise for paste "-ON for subsequent use " stand-by power supply first indicate pasting boards 24 and for paste "-OFF for subsequent use " stand-by power supply second indicate pasting boards 25; Stand-by power supply first indicates pasting boards 24 and stand-by power supply second to indicate the angle between pasting boards 25 to be 22 ° ~ 27 °.
In the utility model embodiment, "-ON for subsequent use " and "-OFF for subsequent use " is bonded in the surface, the same side of stand-by power supply state indication end 17, is specially the surface be pasted onto away from stand-by power supply connecting bushing 11 side.
As shown in Figure 5, described conventional power supply connects the conventional power supply signal sensitive switch 20 of side setting for gathering conventional power supply status feedback signal of major axis 7, and stand-by power supply connects the stand-by power supply signal sensitive switch 21 of side setting for gathering stand-by power supply status feedback signal of major axis 10.
In the utility model embodiment, conventional power supply signal sensitive switch 20 is fixed on mounting panel 2, stand-by power supply signal sensitive switch 21 is installed on substrate 1, when conventional power drives connecting rod 8 drives conventional power supply connection major axis 7 to move, conventional power supply connects major axis 7 can touch conventional power supply signal sensitive switch 20, realize the switching of " often open → normally closed " and " normally closed → often to open " of conventional power supply signal sensitive switch 20, thus provide a feedback signal for the state of conventional power supply moving contact.In like manner, when stand-by power supply drive link 13 drives stand-by power supply connection major axis 10 to move, stand-by power supply connects major axis 21 can touch stand-by power supply signal sensitive switch 21, realize the switching of " often open → normally closed " and " normally closed → often to open " of stand-by power supply signal sensitive switch 21, thus provide a feedback signal for the state of stand-by power supply moving contact.By the feedback signal that conventional power supply signal sensitive switch 20 and stand-by power supply signal sensitive switch 21 provide, the connection status of conventional power supply or stand-by power supply can be determined more accurately, guarantee the reliability of whole circuit.
The utility model commonly uses power supply indication piece 4 and stand-by power supply indication piece 5 is separate, be independent of each other, conventional power supply indication piece 4 can rotate around conventional power supply connecting bushing 6, realize the instruction of conventional power supply moving contact state, stand-by power supply indication piece 5 can rotate around stand-by power supply connecting bushing 11, realize the instruction of stand-by power supply moving contact state, not only simple and reliable, easy for installation, cost-saving, and the state of reflection contact that can be real-time, for operation and attendant provide the real work state position of automatic transfer switching electric appliance, thus stop hidden danger.
The utility model is commonly used power supply connection major axis 7 and can be coordinated with conventional power supply signal sensitive switch 20, stand-by power supply connects major axis 11 and can coordinate with stand-by power supply signal sensitive switch 21, feedback signal can be provided for the state of moving contact corresponding after automatic change-over action by conventional power supply signal sensitive switch 20 and stand-by power supply signal sensitive switch 21, thus provide convenient for switch internal design of secondary line and intelligent controller signals collecting.
Certain above-described embodiment, only for technical conceive and the feature of invention are described, its object is to person skilled in the art can be understood the content of invention and implement according to this, can not limit the protection range of invention with this.All modifications done according to the Spirit Essence of main technical schemes of the present invention, all should be encompassed within protection scope of the present invention.
Claims (8)
1. the indicating device of a position automatic transfer switching electric appliance, it is characterized in that: comprise substrate (1), described substrate (1) is provided with the conventional power supply indication piece (4) being used to indicate conventional power work state and the stand-by power supply indication piece (5) being used to indicate stand-by power supply operating state, the stand-by power supply state indication end (17) of contiguous stand-by power supply indication piece (5) of conventional power supply status indication end (14) of described conventional power supply indication piece (4), and the conventional conventional power supply status indication end (14) of power supply indication piece (4) and the stand-by power supply state indication end (17) of stand-by power supply indication piece (5) are all positioned at the same side of substrate (1), the conventional power drives link of conventional power supply indication piece (4), the stand-by power supply of stand-by power supply indication piece (5) drive link to coordinate with substrate (1), link can be driven above to swing at substrate (1) around stand-by power supply around conventional power drives link to make conventional power supply indication piece (4) in the upper swing of substrate (1) and stand-by power supply indication piece (5), the conventional power drives link of conventional power supply indication piece (4) is also hinged with the conventional power drives connecting rod (8) for driving conventional power supply indication piece (4) to swing, and the stand-by power supply of stand-by power supply indication piece (5) drives link to be also hinged with the stand-by power supply drive link (13) for driving stand-by power supply indication piece (5) to swing.
2. the indicating device of three position automatic transfer switching electric appliances according to claim 1, it is characterized in that: mounting panel (2) is set directly over described substrate (1), described mounting panel (2) is fixedly connected with substrate (1) by minor axis (3), the conventional power drives link of conventional power supply indication piece (4) is hinged on mounting panel (2) by conventional power supply connecting bushing (6), and the stand-by power supply of stand-by power supply indication piece (5) drives link to be hinged on mounting panel (2) by stand-by power supply connecting bushing (11).
3. the indicating device of three position automatic transfer switching electric appliances according to claim 2, it is characterized in that: the conventional power drives link of described conventional power supply indication piece (4) connects major axis (7) by conventional power supply and is hinged with one end of conventional power drives connecting rod (8), the stand-by power supply of stand-by power supply indication piece (5) drives link to connect major axis (10) by stand-by power supply and is hinged with one end of stand-by power supply drive link (13).
4. the indicating device of three position automatic transfer switching electric appliances according to claim 3, it is characterized in that: the other end of described conventional power drives connecting rod (8) is hinged with conventional power supply towing plate by conventional power supply connecting rob bushing (9), and the other end of stand-by power supply drive link (13) is hinged by stand-by power supply connecting rob bushing (12) and stand-by power supply towing plate.
5. the indicating device of three position automatic transfer switching electric appliances according to claim 1, is characterized in that: described conventional power drives connecting rod (8), stand-by power supply drive link (13) are all S-type.
6. the indicating device of three position automatic transfer switching electric appliances according to claim 1, is characterized in that: conventional power supply status indication end (14) the conventional power supply first comprised for pasting " conventional-ON " of described conventional power supply indication piece (4) indicates pasting boards (22) and indicates pasting boards (23) for pasting " conventional-OFF " conventional power supply second; Conventional power supply first indicates pasting boards (22) and conventional power supply second to indicate the angle between pasting boards (23) to be 22 ° ~ 27 °.
7. the indicating device of three position automatic transfer switching electric appliances according to claim 1, is characterized in that: the stand-by power supply state indication end (17) of described stand-by power supply indication piece (5) comprises and indicates pasting boards (24) for pasting "-ON for subsequent use " stand-by power supply first and indicate pasting boards (25) for pasting "-OFF for subsequent use " stand-by power supply second; Stand-by power supply first indicates pasting boards (24) and stand-by power supply second to indicate the angle between pasting boards (25) to be 22 ° ~ 27 °.
8. the indicating device of three position automatic transfer switching electric appliances according to claim 3, it is characterized in that: described conventional power supply connects the conventional power supply signal sensitive switch (20) of side setting for gathering conventional power supply status feedback signal of major axis (7), stand-by power supply connects the stand-by power supply signal sensitive switch (21) of side setting for gathering stand-by power supply status feedback signal of major axis (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520149635.8U CN204516624U (en) | 2015-03-16 | 2015-03-16 | The indicating device of three position automatic transfer switching electric appliances |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520149635.8U CN204516624U (en) | 2015-03-16 | 2015-03-16 | The indicating device of three position automatic transfer switching electric appliances |
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| Publication Number | Publication Date |
|---|---|
| CN204516624U true CN204516624U (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520149635.8U Expired - Fee Related CN204516624U (en) | 2015-03-16 | 2015-03-16 | The indicating device of three position automatic transfer switching electric appliances |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105575694A (en) * | 2016-03-07 | 2016-05-11 | 无锡韩光电器股份有限公司 | Automatic transfer electric appliance contact position indicating device |
| CN107578934A (en) * | 2017-10-18 | 2018-01-12 | 罗格朗低压电器（无锡）有限公司 | Conjunction on automatic change-over product divides instruction device |
| CN107610955A (en) * | 2017-10-18 | 2018-01-19 | 罗格朗低压电器（无锡）有限公司 | The contact position indicating device of automatic transfer switching electric appliance product |
| CN111341580A (en) * | 2020-03-18 | 2020-06-26 | 苏州飞腾电器有限公司 | Three-position dual-power transfer switch |
-
2015
- 2015-03-16 CN CN201520149635.8U patent/CN204516624U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105575694A (en) * | 2016-03-07 | 2016-05-11 | 无锡韩光电器股份有限公司 | Automatic transfer electric appliance contact position indicating device |
| CN105575694B (en) * | 2016-03-07 | 2018-01-05 | 无锡韩光电器股份有限公司 | The contact position indicating device of automatic conversion electrical equipment |
| CN107578934A (en) * | 2017-10-18 | 2018-01-12 | 罗格朗低压电器（无锡）有限公司 | Conjunction on automatic change-over product divides instruction device |
| CN107610955A (en) * | 2017-10-18 | 2018-01-19 | 罗格朗低压电器（无锡）有限公司 | The contact position indicating device of automatic transfer switching electric appliance product |
| CN111341580A (en) * | 2020-03-18 | 2020-06-26 | 苏州飞腾电器有限公司 | Three-position dual-power transfer switch |
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Granted publication date: 20150729 Termination date: 20190316 |