CN107578934A - Conjunction on automatic change-over product divides instruction device - Google Patents
Conjunction on automatic change-over product divides instruction device Download PDFInfo
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- CN107578934A CN107578934A CN201710997925.1A CN201710997925A CN107578934A CN 107578934 A CN107578934 A CN 107578934A CN 201710997925 A CN201710997925 A CN 201710997925A CN 107578934 A CN107578934 A CN 107578934A
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- 238000000926 separation method Methods 0.000 description 8
- 230000005611 electricity Effects 0.000 description 2
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Abstract
The conjunction that the present invention is provided on a kind of automatic change-over product divides instruction device, including：Installing plate, conventional power indicator and backup power indicator, there are conventional power supply and stand-by power supply on the installing plate, conventional power indicator, it is arranged on conventional power supply and is connected with conventional power supply moving contact rotating shaft, conventional conjunction isloation state between power supply moving contact and conventional power supply static contact can be indicated；Backup power indicator, it is arranged on stand-by power supply and is connected with stand-by power supply moving contact rotating shaft, the conjunction isloation state between stand-by power supply moving contact and stand-by power supply static contact can be indicated.Such a contactor divides instruction device can be with moving contact synchronization action, so as to the conjunction isloation state reflected exactly between moving contact and static contact.
Description
Technical field
The present invention relates to low voltage equipment technical field, more particularly, to the conjunction on a kind of automatic change-over product point
Instruction device.
Background technology
As current era is to electricity consumption and the increasingly enhancing of electrical stability demand, the importance of automatic transfer switching electric appliance
Increasingly improve, the wherein conversion between two-way power supply can provide a continuous reliable power supply for load, to ensure the company of load
Reforwarding row.
In the prior art, there can be switch contact position indicator in each automatic change-over switch electric mechanism, lead to
Normally opened pass contact position indicator is connected with motor output shaft, and automatic transfer switching electric appliance has three kinds of working conditions, i.e., conventional position
Put, spare space and open position, switch contact position instruction is driven by motor rotating clockwise or counter-clockwise at the uniform velocity
Device rotates a certain angle, so as to reflect the location status of switch contact.
Although switch contact position indicator of the prior art is simple in construction, it can not reflect switch electricity exactly
The actual position state of source contact, reason are as follows：On the one hand, power switch dynamic/static contact is during mutual divide-shut brake, first
Spring members on moving contact need to carry out energy storage, but in spring members thermal energy storage process, moving contact will not act.When
After spring members discharge by dead point, moving contact can complete divide-shut brake action under the drive of spring with static contact moment, by
Slowly more are wanted relative to the instant movement speed of moving contact in the speed of motor rotation, and this switch contact position indicator is only capable of
Reflect the operating of motor so switch contact position indicator of the prior art can not accurately reflect that switch contact is real
Location status.It is welded together, such a feelings
When motor at the uniform velocity rotates under condition, although switch contact position indicator can be rotated together with motor output shaft due to
Dynamic and static contact melting welding, is still within "on" position between moving contact and static contact, so the instruction of switch contact position indicator
Position can not still accurately reflect the real location status of switch contact under such a extreme case.
The content of the invention
In order to solve the deficiencies in the prior art, the conjunction point that the present invention is provided on a kind of reliable automatic change-over product refers to
Showing device, such a contactor divide instruction device can be with moving contact synchronization action, so as to reflect moving contact and static contact exactly
Between conjunction isloation state.
According to technical scheme provided by the invention, the conjunction on a kind of automatic change-over product divides instruction device, including：
Conventional power supply and the bearing and stand-by power supply for being separately mounted to both sides above and below conventional power supply, are commonly used in power supply provided with conventional
The rotating shaft of power supply moving contact, power supply moving contact and conventional power supply static contact are commonly used, being provided with stand-by power supply moving contact in stand-by power supply turns
Axle, stand-by power supply moving contact and stand-by power supply static contact；
Conventional power indicator, the conventional power indicator be arranged on conventional power supply and with conventional power supply moving contact rotating shaft phase
Even, conventional conjunction isloation state between power supply moving contact and conventional power supply static contact can be indicated；
Backup power indicator, the backup power indicator be arranged on stand-by power supply and with stand-by power supply moving contact rotating shaft phase
Even, the conjunction isloation state between stand-by power supply moving contact and stand-by power supply static contact can be indicated.
Further, the conventional power indicator includes：
Conventional end cap, including driving end and turning end, the driving end of the conventional end cap by conventional power supply moving contact rotating shaft with
Conventional power supply moving contact is fixedly connected, and conventional power supply moving contact rotating shaft can drive the driving end of the conventional end cap and turning end to turn
It is dynamic；
First trace, its first end are articulated with the driving end of conventional end cap, and the driving end of the conventional end cap can drive first
Trace moves；
First instruction unit, is rotatably installed in the upper end of the bearing, and the side of the first instruction unit is moved with first the second end of trace
Connection, the first trace can promote the first instruction unit around the first instruction axis of rotation.
Further, the first inclined-plane is formed in the turning end of conventional end cap.
Further, the body of rod of first trace is provided with the first spacing hole, and the first limit is provided with the first spacing hole
Position pin, first trace is in the limit of the first spacing hole using the first spacer pin as axis of rotation and movement.
Further, it is provided with first with the first instruction unit side of the dynamic connection of the first trace and moves hole, the first trace
Second end can move in the described first shifting hole.
Further, the backup power indicator includes：
Standby end cap, including driving end and turning end, the driving end of the standby end cap by the rotating shaft of stand-by power supply moving contact with
Stand-by power supply moving contact is fixedly connected, and the rotating shaft of stand-by power supply moving contact can drive the driving end of standby end cap and turning end to rotate；
Second trace, its first end are articulated with the driving end of standby end cap, and the driving end of the standby end cap can drive second
Trace moves；
Second instruction unit, it is rotatably installed in the upper end of the bearing, the side of the second instruction unit and the second end of the second trace
Dynamic connection, the second trace can promote the second instruction unit around the second instruction axis of rotation.
Further, the second inclined-plane is formed in the turning end of standby end cap.
Further, the body of rod of second trace is provided with the second spacing hole, and the second limit is provided with the second spacing hole
Position pin, second trace is in the limit of the second spacing hole using the second spacer pin as axis of rotation and movement.
Further, the side with the second instruction unit of the dynamic connection of the second trace is provided with second and moves hole, and second connects
Second end of lever can move in the described second shifting hole.
Further, first inclined-plane can be close so as to anti-with the standby side-to-side anastomosis of end cap one when conventional end cap rotates
Only standby end cap rotation；Second inclined-plane can coincide close to so as to preventing from commonly using when standby end cap rotates with conventional end cap side
End cap rotates.
From it is described above as can be seen that automatic change-over product provided by the invention on conjunction divide instruction device with it is existing
Technology, which is compared, possesses advantages below：First, conventional power indicator and backup power indicator are respectively at conventional power supply moving contact
It is connected with stand-by power supply moving contact, conventional power indicator can directly reflect that conventional power supply is dynamic with backup power indicator and touch
The location status of head and stand-by power supply moving contact.Second, it is conventional separate between power indicator and backup power indicator,
They can show the conjunction isloation state between conventional power supply moving contact and conventional power supply static contact respectively, stand-by power supply moving contact with
Conjunction isloation state between stand-by power supply static contact.Third, conventional position mutual between power indicator and backup power indicator
Put the first hypotenuse and second of standby end cap on backup power indicator that end cap is commonly used in relation, including conventional power indicator
The relation of hypotenuse, commonly use the distance between power indicator and backup power indicator relation so that conventional power supply moving contact and
Interlock function can be achieved between stand-by power supply moving contact, effectively prevent short circuit from the generation of potential safety hazard such as burning.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
1. installing plate, 1-1. stand-by power supplies, 1-2. often use power supply, 1-3. bearings, 2. often use end cap, and 3. first connect
Lever, the spacing holes of 3-1. first, 4. first instruction units, 4-1. first indicate rotating shaft, and 5. standby end caps, 6. second interlock
Bar, the spacing holes of 6-1 second, 7. second instruction units, the instruction rotating shafts of 7-1. second, the spacer pins of 8-1. first, 8-2. second are spacing
Pin, 9-1. first move hole, and 9-2. second moves hole.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with specific embodiment, and reference
Accompanying drawing, the present invention is described in more detail.Wherein identical parts are presented with like reference characters.Need what is illustrated
It is that word "front", "rear", "left", "right", the "up" and "down" used in describing below refers to the direction in accompanying drawing.Use
Word " interior " and " outer " refer respectively to towards or away from the direction of particular elements geometric center.
As shown in figure 1, the conjunction point instruction device on a kind of automatic change-over product includes：Bearing 1-3, conventional power supply 1-
2nd, stand-by power supply 1-1, conventional power indicator and backup power indicator.
The bearing 1-3, conventional power supply 1-2 and stand-by power supply 1-1 are sequentially connected from top to bottom, are set in conventional power supply 1-2
There are conventional power supply moving contact rotating shaft, conventional power supply moving contact and conventional power supply static contact, the conventional power supply moving contact rotating shaft energy
It is enough to drive conventional power supply moving contact to rotate an angle.Stand-by power supply moving contact rotating shaft, standby is provided with the stand-by power supply 1-1
Power supply moving contact and stand-by power supply static contact, the stand-by power supply moving contact rotating shaft can drive stand-by power supply moving contact to rotate one
Individual angle.
The conventional power indicator, it is arranged on conventional power supply 1-2 and is connected with conventional power supply moving contact rotating shaft, often
The location status of conventional power supply moving contact can be indicated with power indicator, commonly using the location status of power supply moving contact includes two
Kind：One is conventional power supply moving contact and conventional power supply static contact separation point position state, the second is conventional power supply moving contact with often
With power supply static contact closing position state.
The backup power indicator, it is arranged on stand-by power supply 1-1 and is connected with stand-by power supply moving contact rotating shaft, standby
The location status of stand-by power supply moving contact can be indicated with power indicator, the location status of stand-by power supply moving contact includes two
Kind：One is stand-by power supply moving contact and stand-by power supply static contact separation point position state, the second is stand-by power supply moving contact with it is standby
With power supply static contact closing position state.
The conventional power indicator includes：Conventional end cap 2, the first trace 3 and the first instruction unit 4.
The conventional end cap 2 includes driving end and turning end, and the turning end for commonly using end cap 2 forms the first inclined-plane, driving end
The first cambered surface is formed, the driving end of the conventional end cap 2 is fixed by conventional power supply moving contact rotating shaft with conventional power supply moving contact
Connection, the rotation of conventional power supply moving contact rotating shaft can drive the driving end of conventional end cap 2 and turning end to rotate.
First trace 3, its first end are articulated with the driving end of conventional end cap 2, the second end and the first instruction unit 4
The dynamic connection in side, it is preferable that the second end of the first trace 3 can move and rotate in the first shifting hole 9-1.It is described conventional
The driving end of end cap 2, which rotates, can drive the first trace 3 to move；The body of rod of first trace 3 is provided with the first spacing hole 3-1, the
The first spacer pin 8-1, the first spacer pin 8-1 is provided with one spacing hole 3-1 and passes through the first spacing hole 3-1 by the first trace
3 are rotatablely installed on bearing 1-3 so that first trace 3 is as axis of rotation and spacing first using the first spacer pin 8-1
Moved in hole 3-1 limit.
The side that first instruction unit 4 is connected with the first trace 3 is provided with first and moves hole 9-1, and the first shifting hole 9-1 is located at
The right side of first instruction unit 4, the second end of the first trace 3 can move in the described first shifting hole 9-1；First instruction unit 4
Be shaped as sector, it includes the first closure indication end and the first separation indication end, the first closure indication end and first point
From the fan arc end that indication end is located at fan-shaped first instruction unit 4, the bottom of the first instruction unit 4 is rotatably installed on bearing 1-3, can
Rotated around the first instruction rotating shaft 4-1.When the rotation of conventional end cap 2 can drive the first trace 3 to move, the first trace 3
Movement can promote the rotation of the first instruction unit 4.
The backup power indicator includes：Standby end cap 5, the second trace 6 and the second instruction unit 7；
The standby end cap 5 includes driving end and turning end, and the turning end of standby end cap 5 forms the second inclined-plane, and driving end is formed
Second cambered surface, the driving end of the standby end cap 5 are fixedly connected by the rotating shaft of stand-by power supply moving contact with stand-by power supply moving contact,
The rotation of stand-by power supply moving contact rotating shaft can drive the driving end of standby end cap 5 and turning end to rotate.
Second trace 6, its first end are articulated with the driving end of standby end cap 5, the second end and the second instruction unit 7
The dynamic connection in side, it is preferable that the second end of the second trace 6 can move and rotate in the second shifting hole 9-2.The standby end cap
The rotation of 5 driving end can drive the second trace 6 to move；The body of rod of second trace 6 is provided with the second spacing hole 6-1, and second
The second spacer pin 8-2, the second spacer pin 8-2 is provided with spacing hole 6-1 and passes through the second spacing hole 6-1 by the second trace 6
It is installed on bearing 1-3 so that second trace 6 is using the second spacer pin 8-2 as axis of rotation and in the second spacing hole 6-1
Limit in move.
The side that second instruction unit 7 is connected with the second trace 6 is provided with second and moves hole 9-2, and the second shifting hole 9-2 is located at
The left side of second instruction unit 7, the second end of the second trace 6 can move in the described second shifting hole 9-2；Second instruction
Portion 7 is shaped as sector, and it includes the second closure indication end and the second separation indication end, the second closure indication end and second
The fan arc end that indication end is located at fan-shaped second instruction unit 7 is separated, the bottom of the second instruction unit 7 is rotatably installed on bearing 1-3, energy
It is enough to be rotated around the second instruction rotating shaft 7-1.When the rotation of standby end cap 5 drives the movement of the second trace 6, the second trace 6
Movement can promote the rotation of the second instruction unit 7.
First inclined-plane can be close standby so as to prevent with the standby side-to-side anastomosis of end cap 5 one when conventional end cap 2 rotates
End cap 5 rotates；Second inclined-plane can when standby end cap 5 rotates with the conventional side-to-side anastomosis of end cap 2 one close to so as to preventing usual end
Lid 2 rotates.The conventional end cap 2 is parallel to each other in the same plane with standby end cap 5, the first inclined-plane of the conventional end cap 2
Towards a left side, the second inclined-plane of standby end cap 5 is towards the right side, and the first inclined-plane is parallel to each other with the second inclined-plane.
This structure can when conventional end cap 2 rotate to the first inclined-plane and the standby side-to-side anastomosis of end cap 5 one close to when, commonly use power supply
Moving contact closes with conventional power supply static contact, and stand-by power supply moving contact is locked；When standby end cap 5 is rotated to the second inclined-plane with commonly using
Close to when coincideing, stand-by power supply moving contact closes the side of end cap 2 with stand-by power supply static contact, and conventional power supply moving contact is locked.From
And effectively prevent short circuit from the potential safety hazard such as burning and occurring.
Preferably, as shown in figure 1, during original state, the angle for commonly using end cap 2 and vertical direction is about 60 °, standby end cap
5 and the angle of vertical direction are about 60 °.
When conventional power supply moving contact from conventional power supply static contact separating action to conventional power supply static contact closing course
In, conventional power supply moving contact rotating shaft can drive conventional about 60 ° of the rotate counterclockwise of end cap 2, when stand-by power supply moving contact from it is standby
With power supply static contact separating action to in stand-by power supply static contact closing course, the rotating shaft of stand-by power supply moving contact can drive standby
With about 60 ° of the rotate counterclockwise of end cap 5.
Preferably, as shown in figure 1, the angle between first inclined-plane and the upper side edge of conventional end cap 2 is 30 °, second is oblique
Angle between face and the lower side of standby end cap 5 is about 30 °.
The present invention the course of work be：As shown in figure 1, during original state, power supply moving contact and conventional power supply stationary contact are commonly used
Head is in released state, and released state is between stand-by power supply moving contact and stand-by power supply static contact, now commonly uses end cap 2
First inclined-plane is towards a left side, and towards the right side, the first spacer pin 8-1 is located at the first spacing hole 3-1 tops on the second inclined-plane of standby end cap 5, and second
Spacer pin 8-2 is located at the second spacing hole 6-1 bottom, and staff can observe the first instruction unit 4 from bearing 1-3 upper end
First separation indication end and the second separation indication end of the second instruction unit 7.
When conventional power supply moving contact is extremely closed by separating rotation with conventional power supply static contact with conventional power supply static contact, this
During, commonly use the rotating shaft of power supply moving contact and drive conventional about 60 ° of the rotate counterclockwise of end cap 2, commonly use end cap 2 by the original state inverse time
After pin rotates about 60 °, the first inclined-plane of conventional end cap 2 and the upper side of standby end cap 5 coincide close to so as to preventing standby end cap 5
Rotation, the first trace of rotation forces 3 of conventional end cap 2 rotate clockwise certain angle using the first spacer pin 8-1 as rotating shaft, and
And first trace 3 moved up in the first spacing hole 3-1 limit so that the first trace 3 is connected with the first instruction unit 4
One end first shifting hole 9-1 limits in move and promote the first instruction unit 4 around first instruction rotating shaft 4-1 rotate counterclockwise,
Now staff from bearing 1-3 upper ends observe be the first instruction unit 4 the first closure and the second instruction unit 7 second
Separation unit.
Similarly, when stand-by power supply moving contact is extremely closed by separating rotation with stand-by power supply static contact with stand-by power supply static contact
During conjunction, during this, the rotating shaft of stand-by power supply moving contact drives standby about 60 ° of the rotate counterclockwise of end cap 5, and standby end cap 5 is by initial
After about 60 ° of state rotate counterclockwise, the downside of the second inclined-plane of standby end cap 5 and conventional end cap 2 coincide close to so as to preventing
Conventional end cap 2 rotates, and the second trace of rotation forces 6 of standby end cap 5 rotates counterclockwise one using the second spacer pin 8-2 as rotating shaft
Determine angle, and the second trace 6 moves down in the second spacing hole 6-1 limit so that the second trace 6 and second refers to
Show that one end that portion 7 connects is moved in the second shifting hole 9-2 limits and promotes the second instruction unit 7 suitable around the second instruction rotating shaft 7-1
Hour hands rotate, now staff from peace bearing 1-3 upper end observe be the first instruction unit 4 the first separation unit and second
Second closure of instruction unit 7.
Those of ordinary skills in the art should understand that：The specific embodiment of the present invention is the foregoing is only, and
The limitation present invention is not used in, it is all within the purport of the present invention, any modification, equivalent substitution and improvements done etc., it all should include
Within protection scope of the present invention.
Claims (10)
1. the conjunction on a kind of automatic change-over product divides instruction device, it is characterised in that including：
Conventional power supply（1-2）And it is separately mounted to conventional power supply（1-2）The bearing of upper and lower both sides（1-3）And stand-by power supply（1-
1）, the conventional power supply（1-2）In be provided with conventional power supply moving contact rotating shaft, conventional power supply moving contact and conventional power supply static contact；
The stand-by power supply（1-1）In be provided with the rotating shaft of stand-by power supply moving contact, stand-by power supply moving contact and stand-by power supply static contact；
Conventional power indicator, the conventional power indicator are arranged at conventional power supply（1-2）It is upper and with conventional power supply moving contact
Rotating shaft is connected, and can indicate conventional conjunction isloation state between power supply moving contact and conventional power supply static contact；
Backup power indicator, the backup power indicator are arranged at stand-by power supply（1-1）It is upper and with stand-by power supply moving contact
Rotating shaft is connected, and can indicate the conjunction isloation state between stand-by power supply moving contact and stand-by power supply static contact.
2. the conjunction on automatic change-over product as claimed in claim 1 divides instruction device, it is characterised in that the conventional power supply
Indicator includes：
Conventional end cap（2）, including driving end and turning end, the conventional end cap（2）Driving end pass through conventional power supply moving contact
Rotating shaft is fixedly connected with conventional power supply moving contact, and conventional power supply moving contact rotating shaft can drive the conventional end cap（2）Driving end
Rotated with turning end；
First trace（3）, its first end is articulated with conventional end cap（2）Driving end, the conventional end cap（2）Driving end energy
Drive the first trace（3）It is mobile；
First instruction unit（4）, it is rotatably installed in the bearing（1-3）Upper end, the first instruction unit（4）Side with first interlock
Bar（3）The dynamic connection in second end, the first trace（3）The first instruction unit can be promoted（4）Around the first instruction rotating shaft（4-1）Rotate.
3. the conjunction on automatic change-over product as claimed in claim 2 divides instruction device, it is characterised in that in conventional end cap
（2）Turning end formed the first inclined-plane.
4. the conjunction on automatic change-over product as claimed in claim 2 divides instruction device, it is characterised in that described first interlocks
Bar（3）The body of rod be provided with the first spacing hole（3-1）, the first spacing hole（3-1）In be provided with the first spacer pin（8-1）, described
One trace（3）In the first spacing hole（3-1）Limit in the first spacer pin（8-1）For axis of rotation and movement.
5. the conjunction on automatic change-over product as claimed in claim 2 divides instruction device, it is characterised in that with the first trace
（3）First instruction unit of dynamic connection（4）Side is provided with first and moves hole（9-1）, the first trace（3）The second end can be described
First moves hole（9-1）Middle movement.
6. the conjunction on automatic change-over product as claimed in claim 1 divides instruction device, it is characterised in that the stand-by power supply
Indicator includes：
Standby end cap（5）, including driving end and turning end, the standby end cap（5）Driving end pass through stand-by power supply moving contact
Rotating shaft is fixedly connected with stand-by power supply moving contact, and the rotating shaft of stand-by power supply moving contact can drive standby end cap（5）Driving end and turn
Moved end rotates；
Second trace（6）, its first end is articulated with standby end cap（5）Driving end, the standby end cap（5）Driving end energy
Drive the second trace（6）It is mobile；
Second instruction unit（7）, it is rotatably installed in the bearing（1-3）Upper end, the second instruction unit（7）Side with second interlock
Bar（6）The dynamic connection in the second end, the second trace（6）The second instruction unit can be promoted（7）Around the second instruction rotating shaft（7-1）Turn
It is dynamic.
7. the conjunction on automatic change-over product as claimed in claim 6 divides instruction device, it is characterised in that in standby end cap
（5）Turning end formed the second inclined-plane.
8. the conjunction on automatic change-over product as claimed in claim 6 divides instruction device, it is characterised in that described second interlocks
Bar（6）The body of rod be provided with the second spacing hole（6-1）, the second spacing hole（6-1）In be provided with the second spacer pin（8-2）, described
Two traces（6）In the second spacing hole（6-1）Limit in the second spacer pin（8-2）For axis of rotation and movement.
9. the conjunction on automatic change-over product as claimed in claim 6 divides instruction device, it is characterised in that with the second trace
（6）Second instruction unit of dynamic connection（7）Side is provided with second and moves hole（9-2）, the second trace（6）The second end can be described
Second moves hole（9-2）Middle movement.
10. the conjunction as described in claim 3 or 7 on automatic change-over product divides instruction device, it is characterised in that described first
Inclined-plane can be in conventional end cap（2）During rotation with standby end cap（5）One side-to-side anastomosis is close, so as to prevent standby end cap（5）Rotation；
Second inclined-plane can be in standby end cap（5）During rotation with conventional end cap（2）One side-to-side anastomosis is close, so as to prevent conventional end cap（2）
Rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710997925.1A CN107578934A (en) | 2017-10-18 | 2017-10-18 | Conjunction on automatic change-over product divides instruction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710997925.1A CN107578934A (en) | 2017-10-18 | 2017-10-18 | Conjunction on automatic change-over product divides instruction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107578934A true CN107578934A (en) | 2018-01-12 |
Family
ID=61038319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710997925.1A Pending CN107578934A (en) | 2017-10-18 | 2017-10-18 | Conjunction on automatic change-over product divides instruction device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6137070A (en) * | 1998-07-01 | 2000-10-24 | General Electric Company | Circuit breaker assembly with inhibitor assembly |
| CN204516624U (en) * | 2015-03-16 | 2015-07-29 | 无锡韩光电器股份有限公司 | The indicating device of three position automatic transfer switching electric appliances |
| CN205582764U (en) * | 2015-12-25 | 2016-09-14 | 江苏大全凯帆开关有限公司 | Transfer switch indicating device |
| CN205828199U (en) * | 2016-03-07 | 2016-12-21 | 无锡韩光电器股份有限公司 | Automatically the contact position indicating device of electrical equipment is changed |
| CN207409407U (en) * | 2017-10-18 | 2018-05-25 | 罗格朗低压电器（无锡）有限公司 | Conjunction on automatic change-over product divides instruction device |
-
2017
- 2017-10-18 CN CN201710997925.1A patent/CN107578934A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6137070A (en) * | 1998-07-01 | 2000-10-24 | General Electric Company | Circuit breaker assembly with inhibitor assembly |
| CN204516624U (en) * | 2015-03-16 | 2015-07-29 | 无锡韩光电器股份有限公司 | The indicating device of three position automatic transfer switching electric appliances |
| CN205582764U (en) * | 2015-12-25 | 2016-09-14 | 江苏大全凯帆开关有限公司 | Transfer switch indicating device |
| CN205828199U (en) * | 2016-03-07 | 2016-12-21 | 无锡韩光电器股份有限公司 | Automatically the contact position indicating device of electrical equipment is changed |
| CN207409407U (en) * | 2017-10-18 | 2018-05-25 | 罗格朗低压电器（无锡）有限公司 | Conjunction on automatic change-over product divides instruction device |
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Application publication date: 20180112 |
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| RJ01 | Rejection of invention patent application after publication |