CN105161379B - A kind of linkage for realizing breaker automatic switching-in function - Google Patents
A kind of linkage for realizing breaker automatic switching-in function Download PDFInfo
- Publication number
- CN105161379B CN105161379B CN201510594012.6A CN201510594012A CN105161379B CN 105161379 B CN105161379 B CN 105161379B CN 201510594012 A CN201510594012 A CN 201510594012A CN 105161379 B CN105161379 B CN 105161379B
- Authority
- CN
- China
- Prior art keywords
- spanner
- positive
- linkage
- cylinder
- breaker
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/66—Power reset mechanisms
- H01H71/70—Power reset mechanisms actuated by electric motor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/24—Interlocking, locking, or latching mechanisms for interlocking two or more parts of the mechanism for operating contacts
Abstract
The present invention provides a kind of linkage for realizing breaker automatic switching-in function, comprising: a power part, to export a trigger action；One linkage portion, it includes interconnected one positive spanner and at least one secondary spanner, wherein pair spanner described in the positive spanner synchronous drive, the secondary spanner is connected with the motor unit of the breaker, by it is described just, the movement of secondary spanner realize the on-off of the breaker；One driving section is mutually coupled with the output of the power part and positive spanner respectively, movement is transferred to the positive spanner from the power part.Linkage of the present invention realizes the linkage consistency just, inside and outside secondary spanner by the short pin and the connection strap, ensure that the linkage be perhaps able to achieve under short-circuit condition in normal state it is described just, the secondary spanner function closing a floodgate or trip together together.
Description
Technical field
The present invention relates to a kind of linkage, in particular to a kind of linkage for realizing breaker automatic switching-in function fills
It sets.
Background technique
Switchgear is switched for power department, is to guarantee Electrical Safety, carry out that circuit switching is essential sets
Standby, with country to smart grid plan release, it is an important side that miniature circuit breaker equipment, which needs to stride forward to intelligence,
To.Wherein, the on-off that power circuit is controlled by miniature circuit breaker group is a kind of important use direction, how to be realized miniature
The automatic closing or tripping action of breaker group are a very important functions.At present for single miniature circuit breaker and
Speech, can usually be realized by electrically operated institution, but electrically operated institution only can control the dynamic of a miniature circuit breaker at present
It cannot achieve the movement for controlling multiple miniature circuit breakers；Simultaneously most of electrically operated institutions be for big switch come realize combined floodgate or
It is cut-out function, has a single function, and intelligence degree is too low is unable to satisfy existing actual needs；More importantly at present
Electrically operated institution mainly pass through link mechanism realization and act and position control, this often requires that motor realizes positive and negative rotating function,
Control is closed a floodgate or is disconnected, this has been resulted in, and electrically operated institution volume is bigger, and more complicated drawback is arranged in link mechanism.
Refering to Chinese patent " a kind of miniature circuit breaker with short circuit self-locking function ", application number: 201010520199.2,
The present invention is a kind of miniature circuit breaker with short circuit self-locking function comprising: one first miniature circuit breaker is arranged described
Power line on, generate a tripping action when short trouble occurs；One action output device for miniature circuit breaker comprising: one
Shell is provided with a motor in the shell, to export a torque；One motor unit obtains the motor
The torque of output, and be converted to the combined floodgate or tripping action of first miniature circuit breaker；One control unit, control described in
Motor turn and stop；One short-circuit protection linkage unit, in first miniature circuit breaker because short trouble generates open circuit
When movement, to one action signal of control unit, occur that the control unit in first miniature circuit breaker short
Make the motor stalls behind road.
But miniature circuit breaker described above is on the consistency problem of combined floodgate, it is difficult to control.
In view of the above drawbacks, creator of the present invention obtains the present invention by prolonged research and practice finally.
Summary of the invention
The object of the present invention is to provide a kind of linkage for realizing breaker automatic switching-in function, to gram
Take above-mentioned technological deficiency.
To achieve the above object, the technical solution adopted by the present invention is, provides a kind of connection with automatic switching-in function
Dynamic device comprising:
One power part, to export a trigger action；
One linkage portion comprising a positive spanner interconnected and at least one secondary spanner, wherein the positive spanner synchronous belt
Move the secondary spanner, the secondary spanner is connected with the motor unit of the breaker, by it is described just, secondary spanner moves
Make the on-off of the realization breaker；
One driving section is mutually coupled with the output of the power part and positive spanner respectively, will act from described
Power part is transferred to the positive spanner.
Linkage of the present invention by the short pin and the connection strap realize it is described just, inside and outside secondary spanner
Link consistency, ensure that the linkage in normal state or under short-circuit condition, described just, the secondary spanner of realization is together
The function of closing a floodgate or trip together.
Preferably, a short pin is arranged in the junction of the positive spanner and the secondary spanner, multiple tracks is provided on the short pin
On the inside of sliding slot, with the positive spanner and the secondary spanner inboard groove matches, prevent the short pin in the positive spanner and
It is relatively rotated in the pair spanner.
Preferably, the positive spanner includes a positive shift plate, it is provided with a pit in the positive shift plate, the pit is to pacify
A connection strap is filled, the connection strap is as the outer link part between pair spanner described in the positive spanner and two sides.
Preferably, the positive spanner further includes a cylinder, the cylinder is fixedly connected with the positive shift plate, on the cylinder
It is provided with a first positioning hole, with equal of the position of a second location hole being arranged on the secondary spanner, first positioning
The location hole of hole and the second location hole as the positive spanner and the secondary spanner on the breaker.
Preferably, the driving section includes two drive blocks and a gear wheel, wherein the drive block is symmetrically distributed in described
On gear wheel, and one end of the drive block is mutually touched with the lower end convex block of the positive spanner, and the other end switchs phase with one stroke
It touches, so that the convex block, the drive block and the travel switch constitute mutually linkage, the transmitting acted.
Preferably, the power part includes a pinion gear, the pinion gear is meshed with the gear wheel, as the biography
Movement between dynamic portion and the power part is transmitted.
Preferably, the power part further includes a motor and a mounting base, wherein the side of the mounting base and the electricity
Machine is connected, and the other side is connected with the pinion gear, and the mounting base includes a bottom plate and a bracket, and the bracket is located at the electricity
Between machine and the bottom plate, as the support of the motor, diagonally there are two through-holes for setting on the bottom plate, to described in fixation
Power part.
Preferably, the driving section further includes a boss, the boss is located at the center of the gear wheel, and is embedded in institute
It states on gear wheel, is fixed by the disk of the gear wheel other side, the boss is mutually communicated with the gear wheel, to card
It connects on the breaker.
It is embedded to be cased with a hollow circuit cylinder preferably, the pair spanner includes a stepped cylinder, the hollow circuit cylinder with
Protrusion in the cylinder is corresponding, and both ends of the hollow circuit cylinder with the protrusion to connect the short pin.
The beneficial effects of the present invention are: linkages of the present invention compared with the prior art by the short pin and
The connection strap realizes the linkage consistency just, inside and outside secondary spanner, ensure that the linkage in normal state
Perhaps the function that described just, the secondary spanner of realization closes a floodgate together or trips together under short-circuit condition.
Detailed description of the invention
Fig. 1 is structural block diagram of the present invention for realizing the linkage of breaker automatic switching-in function；
Fig. 2 is linkage left view shaft side figure of the present invention for realizing breaker automatic switching-in function；
Fig. 3 is linkage right view shaft side figure of the present invention for realizing breaker automatic switching-in function；
Fig. 4 is linkage left view scattered shaft side figure of the present invention for realizing breaker automatic switching-in function；
Fig. 5 is linkage right view scattered shaft side figure of the present invention for realizing breaker automatic switching-in function；
Fig. 6 is that the present invention shows for realizing the section of short pin in the linkage embodiment one of breaker automatic switching-in function
It is intended to.
Specific embodiment
Below in conjunction with attached drawing, the forgoing and additional technical features and advantages are described in more detail.
Refering to Figure 1, it has the knot of the linkage for realizing breaker automatic switching-in function for the present invention
Structure block diagram；The linkage includes a linkage portion 1, a driving section 2 and a power part 3, wherein one end of the driving section 2
It is connected with the linkage portion 1, the other end is connected with the power part 3, and when short circuit occurs, it is dynamic to trigger the power part 3
Make, and so that breaker is reached synchronous with the movement of driving section 2 by the linkage portion 1；After trouble shooting, again described in clawback
When linkage portion 1, so that the breaker is again at energized state.
It as shown in connection with fig. 2, is the present invention for realizing the linkage left view shaft side figure of breaker automatic switching-in function；
It is the present invention for realizing the right view shaft side figure of linkage of breaker automatic switching-in function and shown in Fig. 3；The linkage
Portion 1 includes a positive spanner 11, while the present embodiment is by taking two secondary spanners 12 as an example, wherein the positive spanner 11 is located at two
Between the pair spanner 12, if only one secondary spanner, being arranged side by side with the positive spanner 11 can (present invention tool
Body embodiment is not repeating, and sees the present embodiment setting), and be connected by two short pins 13, and the secondary spanner
12 are connected with the motor unit of the breaker；The lower end of the positive spanner 11 is provided with a convex block 14, the convex block 14 with
21 phase of drive block on the driving section 2 is touched, wherein the quantity of the drive block 21 is two pieces, and central symmetry is distributed in
On one gear wheel 22 of the driving section 2, wherein one piece of drive block 21 is touched with 14 phase of convex block, described in another piece
Drive block 21 is mutually touched with 23 upper switch key of one stroke switch；The power part 3 includes a pinion gear 31, the power part 3 with
The transmitting for engaging progress power that the connection of the driving section 2 passes through the gear wheel 22 and the pinion gear 31.
The pair spanner 12 can be symmetricly set on the two sides of the positive spanner 11, setting that can also be in varying numbers it is described just
The two sides of spanner 11 are appointed so that realizing between the breaker at 11 place of the breaker where the pair spanner 12 and the positive spanner
The combination for quantity of anticipating.For example, the quantity for the secondary spanner 12 that 11 two sides of positive spanner are connected can be three, or
Side is three, and the other side is one or side is three, and the other side is one or side is two, and the other side is then not
The secondary spanner 12 is connected, but is not limited only to the integrated mode of above-mentioned description.
When the testing agency in the breaker detects, and over-current phenomenon avoidance occurs in circuit, 32 turns of the motor is triggered
It is dynamic, drive the pinion gear 31 to rotate, and by engaging structure, the gear wheel 22 is driven to rotate, so that being located at the institute of upside
Stating drive block 21 pushes the convex block 14 to act, and then makes the positive spanner 11 that assistant's plate 12 be driven to rotate, while described in downside
Drive block 21 touches the travel switch 23, so that the motor 32 inverts, drives the gear wheel 22 to turn round, to make to be located at
The drive block 21 of upside is far from the convex block 14, when until downside, the drive block 21 touches the motor 32 again, institute
It is out of service to state motor 32, to disconnect the breaker.
After trouble shooting, when calling back the positive spanner 11 again, so that the breaker turns again to energized state.
The positive spanner 11 further includes a positive shift plate 111 and a cylinder 112, wherein the side of the cylinder 112 with it is described
Positive shift plate 111 is connected, and the other side is connected with the convex block 14, and the positive shift plate 111 is a T-shape, and hollow, is provided with
One pit 113, positioned at the middle part of the positive shift plate 111, to assign a connection strap (not shown), the connection strap conduct
Outer link part between pair spanner 12 described in the positive spanner 11 and two sides, and the short pin 13 as the positive spanner 11 with
Inner link part between pair spanner 12 described in two sides achievees the effect that dual linkage, more improve the positive spanner 11 with
Linkage consistency between the pair spanner 12；The both ends of the cylinder 112 are each provided with a protrusion 114, and described raised 114
It is embedded on the cylinder 112, described raised 114 one end to be socketed the short pin 13, on the both ends of the cylinder 112 also
Multiple irregular shape through slots 115 are provided with, the through slot 115 is located at raised 114 periphery, to mitigate the cylinder
112 weight；The end of the cylinder 112 is additionally provided with a first positioning hole 116, disconnected the positive spanner 11 to be socketed in
On the device of road；The convex block 14 is a circular arc camber, and the convex surface of the circular arc camber is touched with 21 phase of drive block.
The pair spanner 12 includes a secondary shift plate 121 and a stepped cylinder 122, wherein the pair shift plate 121 is one
T-shape, the height of the pair shift plate 121 and the height flush of the positive shift plate 111, and the both ends of the secondary shift plate 121 are passed through
It wears, to be mounted on the breaker；Run through before and after the stepped cylinder 122, and is arranged in the stepped cylinder 122
There is a hollow circuit cylinder 123, the hollow circuit cylinder 123 is located at raised 114 opposite face, to connect the another of the short pin 13
One end is additionally provided with a second location hole 124 in the stepped cylinder 122, and the second location hole 124 is described ladder-like
Position on cylinder 122 is corresponding with position of the first positioning hole 116 on the cylinder 112, the second location hole
124 the secondary spanner 12 to be socketed on the breaker.
21 bilateral symmetry of drive block is distributed on the side of the gear wheel 22, and the drive block 21 is a circular arc column
The concave surface in face, the circular arc cylinder of one of drive block 21 is mutually touched with the convex surface of the convex block 14, described in another piece
The convex surface of the circular arc cylinder of drive block 21 is mutually touched with the on & off switch of the travel switch 23, so that the convex block 14, the biography
Motion block 21 and the travel switch 23 constitute mutual linkage, the transmitting acted；The driving section 2 further includes a boss
24, the boss 24 is located at the center of the gear wheel 22, and is embedded on the gear wheel 22, another by the gear wheel 22
The disk of side is fixed, and the boss 24 is mutually communicated with the gear wheel 22, to be connected on the breaker.
The power part 3 further includes a motor 32 and a mounting base 33, wherein the side of the mounting base 33 and the electricity
Machine 32 is connected, and the other side is connected with the pinion gear 31, and the biography of the gear shaft at 31 center of the pinion gear and the motor 32
Moving axis is connected, wherein the gear shaft can be integrated with the transmission shaft, or seperated；The mounting base 33 is one
It is tower-shaped, wherein the mounting base 33 includes a bottom plate 331 and a bracket 332, and the bracket 332 is located at the motor 32 and institute
It states between bottom plate 331, as the support of the motor 32, diagonally there are two through-holes 333 for setting on the bottom plate 331, to solid
The fixed power part 3；The bracket 332 is stratiform, and is connected between layers by connecting rod；It is short-circuit when occurring in circuit
When, it triggers the motor 32 and rotates, the pinion gear 31 is driven to rotate, by engaging structure, the gear wheel 22 is driven to rotate,
So that the upside drive block 21 pushes the convex block 14 to act, and then makes the positive spanner 11 that assistant's plate 12 be driven to rotate, together
When the downside drive block 21 touch the travel switch 23 so that the motor 32 inverts, to make the upside drive block
21 far from the convex block 14, and when until downside, the drive block 21 touches the motor 32 again, the motor 32 is out of service,
Finally disconnect the breaker.
It as shown in connection with fig. 4, is the present invention for realizing the scattered axis of linkage left view of breaker automatic switching-in function
Side figure；It is the present invention for realizing the right scattered axis side of view of linkage of breaker automatic switching-in function and shown in Fig. 5
Scheme, be provided with multiple tracks sliding slot 131 on the short pin 13, with 122 inside of raised 114 inside and the stepped cylinder
Groove matches, and prevents the short pin 13 from relatively rotating in described raised 114 and 122 body of the stepped cylinder, accordingly
Also improve the linkage consistency between the positive spanner 11 and the secondary spanner 12, as shown in the figure, the short pin 13
Section is cross, so that the connection of the short pin 13 and raised 114 inside and 122 inside of the stepped cylinder is more
What is added is close, but cross sectional shape is not limited only in this, as shown in fig.6, it is the present invention with automatic for realizing breaker
The schematic cross-section of short pin in the linkage embodiment one of closing function；The two sides up and down of the short pin 13 are that an arch is bent
Face 132, the left and right sides is each provided with a cavity 133, and the cavity 133 is symmetric, accordingly in described raised 114
Square there are two being respectively provided on the inside of side and the stepped cylinder 122, and the position of the position of the square and the cavity 133
It is corresponding, it can also realize the nested encryptions between the short pin 13 and described raised 114 and the stepped cylinder 122, it is real
Linkage consistency between the existing positive spanner 11 and the secondary spanner 12.
Linkage of the present invention by the short pin 13 and the connection strap realize it is described just, in secondary spanner 12
Outer linkage consistency ensure that the linkage in normal state or under short-circuit condition, realize it is described just, secondary spanner
12 functions of closing a floodgate or trip together together.
The foregoing is merely presently preferred embodiments of the present invention, is merely illustrative for the purpose of the present invention, and not restrictive
's.Those skilled in the art understand that in the spirit and scope defined by the claims in the present invention many changes can be carried out to it,
It modifies or even equivalent, but falls in protection scope of the present invention.
Claims (6)
1. a kind of linkage for realizing breaker automatic switching-in function, which is characterized in that the linkage includes:
One power part, to export a trigger action；
One linkage portion comprising a positive spanner interconnected and at least one secondary spanner, wherein the positive spanner synchronous drive institute
State secondary spanner, the secondary spanner is connected with the motor unit of the breaker, by it is described just, the movement of secondary spanner it is real
The on-off of the existing breaker；
One driving section is mutually coupled with the output of the power part and positive spanner respectively, will act from the power
Portion is transferred to the positive spanner；
A short pin is arranged in the junction of the positive spanner and the secondary spanner, is provided with multiple tracks sliding slot on the short pin, and described
On the inside of positive spanner and the secondary spanner inboard groove matches, and prevents the short pin in the positive spanner and the secondary spanner
It relatively rotates；
The positive spanner includes a positive shift plate, and the positive shift plate is hollow T-shape structure, and it is recessed to be provided with one in the positive shift plate
Hole, the pit is to install a connection strap, and the connection strap is as outer between pair spanner described in the positive spanner and two sides
Portion's STATEMENT OF FEDERALLY SPONSORED；
The positive spanner further includes a cylinder, and the cylinder is fixedly connected with the positive shift plate, and one is provided on the cylinder
A positioning hole, with equal of the position of a second location hole being arranged on the secondary spanner；The cylinder both ends setting protrusion, institute
Protrusion is stated to be socketed the short pin.
2. linkage according to claim 1, which is characterized in that the driving section includes two drive blocks and a canine tooth
Wheel, wherein the drive block is symmetrically distributed on the gear wheel, and the lower end of one piece of the drive block and the positive spanner
Convex block mutually touches, and another piece is mutually touched with one stroke switch, so that the convex block, the drive block and the travel switch structure
At mutual linkage, the transmitting acted.
3. linkage according to claim 2, which is characterized in that the power part includes a pinion gear, the small tooth
Wheel is meshed with the gear wheel, as the movement transmitting between the driving section and the power part.
4. linkage according to claim 3, which is characterized in that the power part further includes a motor and an installation
Seat, wherein the side of the mounting base is connected with the motor, and the other side is connected with the pinion gear, and the mounting base includes
One bottom plate and a bracket, the bracket is between the motor and the bottom plate, as the support of the motor, the bottom plate
There are two through-holes for upper diagonal setting, to the fixation power part.
5. linkage according to claim 3, which is characterized in that the driving section further includes a boss, the boss
It positioned at the center of the gear wheel, and is embedded on the gear wheel, is fixed by the disk of the gear wheel other side, it is described
Boss is mutually communicated with the gear wheel, to be connected on the breaker.
6. linkage according to claim 1, which is characterized in that the pair spanner includes a stepped cylinder, in
It is nested with a hollow circuit cylinder, the hollow circuit cylinder is corresponding with the protrusion in the cylinder, and the hollow circuit cylinder and institute
State both ends of the protrusion to connect the short pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510594012.6A CN105161379B (en) | 2015-09-17 | 2015-09-17 | A kind of linkage for realizing breaker automatic switching-in function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510594012.6A CN105161379B (en) | 2015-09-17 | 2015-09-17 | A kind of linkage for realizing breaker automatic switching-in function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105161379A CN105161379A (en) | 2015-12-16 |
| CN105161379B true CN105161379B (en) | 2018-12-04 |
Family
ID=54802202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510594012.6A Active CN105161379B (en) | 2015-09-17 | 2015-09-17 | A kind of linkage for realizing breaker automatic switching-in function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105161379B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105161375B (en) * | 2015-09-17 | 2018-12-04 | 湖北盛佳电器设备有限公司 | Realize the linkage of breaker automatic closing and the breaker with the device |
| CN105489452B (en) * | 2016-01-18 | 2019-07-26 | 范国平 | Miniature circuit breaker and its operating method with automatic closing and separating brake function |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3028812A1 (en) * | 1980-07-30 | 1982-02-25 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Manually or remote operated switch - has motor and gear train mounted on side, driving rotor with projecting operating finger |
| CN102013363A (en) * | 2010-10-18 | 2011-04-13 | 湖北盛佳电器设备有限公司 | Miniature circuit breaker with short circuit self-locking function |
| CN204029748U (en) * | 2014-07-16 | 2014-12-17 | 浙江天正电气股份有限公司 | A kind of electrically operated device for circuit breaker and miniature circuit breaker |
| CN104465244A (en) * | 2014-12-23 | 2015-03-25 | 莫文艺 | Control method for switching mechanism |
| CN105161375A (en) * | 2015-09-17 | 2015-12-16 | 湖北盛佳电器设备有限公司 | Linkage device for realizing automatic closing of circuit breaker and circuit breaker having same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205069551U (en) * | 2015-09-17 | 2016-03-02 | 湖北盛佳电器设备有限公司 | A aggregate unit for realizing automatic function of closing a floodgate of circuit breaker |
-
2015
- 2015-09-17 CN CN201510594012.6A patent/CN105161379B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3028812A1 (en) * | 1980-07-30 | 1982-02-25 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Manually or remote operated switch - has motor and gear train mounted on side, driving rotor with projecting operating finger |
| CN102013363A (en) * | 2010-10-18 | 2011-04-13 | 湖北盛佳电器设备有限公司 | Miniature circuit breaker with short circuit self-locking function |
| CN204029748U (en) * | 2014-07-16 | 2014-12-17 | 浙江天正电气股份有限公司 | A kind of electrically operated device for circuit breaker and miniature circuit breaker |
| CN104465244A (en) * | 2014-12-23 | 2015-03-25 | 莫文艺 | Control method for switching mechanism |
| CN105161375A (en) * | 2015-09-17 | 2015-12-16 | 湖北盛佳电器设备有限公司 | Linkage device for realizing automatic closing of circuit breaker and circuit breaker having same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105161379A (en) | 2015-12-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100545971C (en) | Automatic transfer switching electric appliance | |
| CN107068438B (en) | Operating device of dual-power automatic transfer switch | |
| CN105161379B (en) | A kind of linkage for realizing breaker automatic switching-in function | |
| EP3196915A1 (en) | Automatic switching miniature circuit breaker | |
| CN101763959B (en) | Transfer mechanism of transfer switch equipment (TSE) | |
| CN105161375B (en) | Realize the linkage of breaker automatic closing and the breaker with the device | |
| CN205069551U (en) | A aggregate unit for realizing automatic function of closing a floodgate of circuit breaker | |
| CN104183435A (en) | Circuit breaker with reclosing transmission mechanism in neutral pole capable of being opened and closed | |
| CN204257436U (en) | A kind of middle pressure automatic change-over electric appliance with duplicate of permanent magnet mechanism operation | |
| CN104282462B (en) | A kind of moving contact transformational structure of two section automatic transfer switching electric appliances | |
| CN203312207U (en) | Electronic spring operation mechanism | |
| CN104485244B (en) | Earthing switch integrated operating mechanism for circuit breaker | |
| CN203150498U (en) | High current repulsion-aside rapid action mechanism of miniature circuit breaker | |
| CN204991515U (en) | Two power change -over switch's quick switching mechanism | |
| CN105428116A (en) | Dual-power source switching mechanism and automatic change-over switch | |
| CN202111014U (en) | Breaker auxiliary switch | |
| CN205122506U (en) | Aggregate unit that realization circuit breaker closed a floodgate automatically and circuit breaker that has device | |
| CN106847608A (en) | A kind of permanent magnetic spring integrated mechanism of outdoor high-voltage alternating-current vacuum breaker | |
| CN203165829U (en) | Hydraulic electromagnetic breaker | |
| JP4081145B2 (en) | Power switch for opening and closing the current circuit | |
| CN202678143U (en) | Twin-clutch operating mechanism | |
| CN202678148U (en) | Middling-pressure pneumatic dual-supply load switch | |
| CN207381313U (en) | A kind of operating mechanism device of indoor high-voltage vacuum circuit breaker | |
| CN204424190U (en) | A kind of miniature circuit breaker | |
| CN202633080U (en) | Novel clamping plate type spring operation mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |