CN208580703U - Mechanical high-speed switch based on electromagnetic repulsion mechanism - Google Patents
Mechanical high-speed switch based on electromagnetic repulsion mechanism Download PDFInfo
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- CN208580703U CN208580703U CN201821415599.5U CN201821415599U CN208580703U CN 208580703 U CN208580703 U CN 208580703U CN 201821415599 U CN201821415599 U CN 201821415599U CN 208580703 U CN208580703 U CN 208580703U
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Abstract
The utility model discloses a kind of mechanical high-speed switch based on electromagnetic repulsion mechanism, belongs to switchgear technical field.The utility model includes connecting rod, bistable state holding mechanism, operating mechanism and one group of electromagnetic repulsion mechanism；The connecting rod moves under the driving of the electromagnetic repulsion mechanism or operating mechanism, makes the mechanical high-speed switch separating brake；The connecting rod moves under the driving of the operating mechanism, and the mechanical high-speed switch is made to close a floodgate；In connecting rod separating brake or combined floodgate movement, the bistable state holding mechanism applies retentivity to the opening and closing state of connecting rod；During quick acting switching-off, electromagnetic repulsion mechanism is completely independent with operating mechanism；And sub-switching operation may be implemented in electromagnetic repulsion mechanism and operating mechanism.The miniaturization of breaker and intensive may be implemented in the utility model；Solves the problems, such as the rigid collision of electromagnetic repulsion mechanism and closing holding mechanism；It may be implemented under nominal situation and fault condition using different sub-switching operation modes.
Description
Technical field
The utility model belongs to switchgear technical field, and in particular to it is a kind of based on electromagnetic repulsion mechanism machinery quickly open
It closes.
Background technique
Recently as the extensive access of distributed generation resource and energy storage device, the fast development of power electronic technique and
The growth of DC load, DC distribution more and more attention has been paid to.Especially certain specific occasions, as large ship power supply system,
The direct current systems such as Feeding System of Urban Rail Transit have obtained tremendous development.Sustainable growth and voltage with direct current system capacity
The continuous improvement of grade, the peak value of short of dc circuit breaker and the index of switch off time are also being continuously improved.Traditional machine
Although it is strong that tool switchs carrying load ability, stable advantage is connected, response speed is slow, generally in 5~20ms or so, Bu Nengman
Foot is some to need quick acting requirement；Electronic power switch fast response time, but its on-state loss is excessive, and voltage endurance capability is low.
Since the hybrid dc circuit breaker that Fast mechanical switch and large power semiconductor device form has discharge capacity
Greatly, the advantages that turn-off speed is fast, and current limiting capacity is strong cut-offs field with very big potentiality in direct current.Hybrid dc circuit breaker
It is required that Fast mechanical switch can be realized contact high-speed separation, convenient for electric current to transfer branch transfer, while Quick mechanical is required
Switch can obtain initial velocity big as far as possible and form clearance for insulation, one occurred between mechanical chopper fracture after resistance as early as possible
A very high transient recovery voltage.Fast mechanical switch uses double electromagnetic repulsion mechanisms mostly at this stage, needs two repulsion lines
Circle, two sets of driving circuits, mechanism and driving circuit volume are larger, at high cost, are unfavorable for breaker and minimize, is intensive.Therefore
Electromagnetic repulsion force Fast mechanical switch many places at this stage there is no reliable engineer application case in theoretical research and principle prototype stage
Example, has seriously affected the development and use of hybrid dc circuit breaker.
Such as it is a kind of based on the fast of permanent magnet holding mechanism disclosed in the Chinese patent application No. is CN201620362749.5
Speed switch, including repulsive force mechanism and permanent magnet mechanism, including sequentially connected top guide bar, vacuum interrupter, middle guide rod, insulator,
Lower guide rod and holding dynamic iron core, its special feature is that: repulsion dish are set on the lower guide rod, above the repulsion dish
Opening coil is installed and closing coil is installed thereunder；Upper keep with quiet is installed above holding dynamic iron core
Iron core is equipped with combined floodgate among holding static iron core on this and keeps permanent magnet, and is equipped with below holding dynamic iron core
It is lower to keep using static iron core, separating brake is installed among the lower holding static iron core and keeps permanent magnet.It wherein closes a floodgate and keeps permanent magnet
Lower end is shorter with static iron core lower end than upper holding, to use static iron core lower end to form groove as upper air gap in upper holding；Wherein divide
Lock keeps permanent magnet upper end shorter with static iron core upper end than lower holding, to use static iron core upper end to form groove under in lower holding
Air gap.Permanent magnetism holding part is used to provide separating brake retentivity and closing retention force for the arc extinguishing chamber contact in breaker, makes open circuit
Device is in stable gate-dividing state or "on" position；Electromagnetic repulsion force actuating part provides electromagnetism in switching on and off operating process
Power makes breaker become closing a floodgate from separating brake, or becomes separating brake from combined floodgate.
But above-mentioned high-speed switch needs two repulsion coils, two sets of driving circuits, mechanism using double electromagnetic repulsion mechanisms
It is larger, at high cost with driving circuit volume, it is unfavorable for breaker and minimizes, is intensive.
Application No. is 201710859374.2 Chinese patent applications to disclose a kind of powder operation device of dc circuit breaker,
The electromagnetic mechanism of the repulsive force mechanism is connected with via connecting rod including vacuum bubbles, repulsive force mechanism, is equipped in the vacuum bubbles by quiet
The mechanical contact that contact and moving contact are constituted, the moving contact connect repulsive force mechanism, the repulsive force mechanism packet via insulated pull rod
The first controller of opening coil, repulsion dish, charging and discharging circuit and the control charging and discharging circuit triggering sub-switching operation is included, it is described
Repulsion dish connect connecting rod via dynamic guide rod, and opening coil is located above repulsion dish and gap is no more than 3.5mm；The electromagnetic mechanism
Static iron core, dynamic iron core, suction and coil, hold-in winding, separating brake reset spring, touch spring and the second control including annular hollow
Device.
But above-mentioned powder operation device realizes quick acting switching-off using single electromagnetic repulsion mechanism, is kept using electromagnet as closing a floodgate
Mechanism realizes specified separating brake using electromagnet coil power-off and reverse charging, and with the mode of tripping spring cooperation.Due to electricity
Magnetic repulsion mechanism can be rapidly achieved thrust peak value within tens to hundreds of microseconds time, far faster than the actuation time of electromagnet,
When leading to electromagnetic repulsion mechanism quick acting switching-off, repulsion dish drive connecting rod to move down, and electromagnet still provides closing retention force at this time,
Tripping spring can generate opposition because of compression, thus can reduce the opening velocity of Fast mechanical switch, when increasing separating brake
Between, while will cause the rigid collision of electromagnetic repulsion mechanism and closing holding mechanism, cause bounce.
Summary of the invention
The utility model aim is to provide a kind of mechanical high-speed switch based on electromagnetic repulsion mechanism, not only high reliablity,
Structure is simple, small in size, opening velocity is fast, and the rigid collision that can also solve electromagnetic repulsion mechanism and closing holding mechanism is asked
Topic.
Specifically, the utility model adopts the following technical solutions realization: keeping machine including connecting rod, bistable state
Structure, operating mechanism and one group of electromagnetic repulsion mechanism；The connecting rod is under the driving of the electromagnetic repulsion mechanism or operating mechanism
Movement makes the mechanical high-speed switch separating brake；The connecting rod moves under the driving of the operating mechanism, makes described mechanical fast
Speed switch closes a floodgate；In connecting rod separating brake or combined floodgate movement, the bistable state holding mechanism applies the opening and closing state of connecting rod
Add retentivity.
Furthermore, the electromagnetic repulsion mechanism includes repulsion coil and repulsion dish, and the repulsion dish are fixed on connection
On bar, repulsion is applied to repulsion dish by repulsion coil, mechanical high-speed switch is driven to move to open position.
Furthermore, the bistable state holding mechanism includes bistable spring and connecting rod, and the one of the bistable spring
End is fixed, and the other end is connected with one end of connecting rod, and the other end of the connecting rod connects the connecting rod；In connecting rod to sub-gate position
It sets or when closing position moves, the bistable spring keeps compressive state, applies separating brake or combined floodgate to connecting rod by connecting rod
The retentivity of state.
Furthermore, the bistable state holding mechanism includes bistable state disc spring, and the outer end of the bistable state disc spring is fixed,
Inner end is fixedly connected with the connecting rod；When connecting rod is moved to open position or closing position, the bistable state disc spring keeps pressure
Contracting state applies the retentivity of separating brake or "on" position by bistable state disc spring to connecting rod.
Furthermore, the connecting rod is connect with operating mechanism by interlocking mechanism, and snap arm is equipped in interlocking mechanism；
The snap arm withdraws the interlocking mechanism when the mechanical high-speed switch is completed and closed a floodgate, in the mechanical high-speed switch completion point
It is popped up when lock from the interlocking mechanism；When combined floodgate, operating mechanism is abutted against with snap arm, and connecting rod is pushed to move to closing position.
Furthermore, the operating mechanism is bistable-state permanent magnet mechanism, for driving the connection in normal conditions
Bar movement realizes that the switch closing and switch opening of the mechanical high-speed switch makes institute by the electromagnetic repulsion mechanism under fault condition
State mechanical high-speed switch separating brake.
Furthermore, the operating mechanism is Monostable permanent magnetic mechanism or electromagnetic mechanism, for driving the connecting rod
Movement makes the mechanical high-speed switch close a floodgate, and under nominal situation and fault condition, makes institute by the electromagnetic repulsion mechanism
State mechanical high-speed switch separating brake.
Furthermore, it is provided with lock hole in the interlocking mechanism, locking level is installed on the operating mechanism；The lock
Fixed pole is passed through from lock hole；The lock hole is not less than the maximum row of the connecting rod along the size of the connecting rod direction of motion
Journey.
Furthermore, buffer unit is installed below the electromagnetic repulsion mechanism and/or the operating mechanism.
Furthermore, the buffer unit is oil bumper, gas cushion, damping buffer or spring buffer.
The beneficial effects of the utility model are as follows: the mechanical high-speed switch based on electromagnetic repulsion mechanism of the utility model,
One side the utility model can effectively reduce repulsion line compared to double electromagnetic repulsion mechanisms only with one group of electromagnetic repulsion mechanism
Circle and driving circuit quantity, reduce volume, save the cost, realize the miniaturization of breaker and intensive, solve Quick mechanical
Switching mechanism and larger, the at high cost problem of driving circuit volume；On the other hand, the utility model is during quick acting switching-off,
Electromagnetic repulsion mechanism is completely independent with permanent magnet mechanism, and permanent magnet mechanism will not influence the opening velocity of electromagnetic repulsion mechanism, is avoided just
Property collision caused by spring, improve the opening velocity of Fast mechanical switch, solve the rigid of electromagnetic repulsion mechanism and operating mechanism
Property collision problem；In another aspect, sub-switching operation may be implemented in the electromagnetic repulsion mechanism of the utility model and permanent magnet mechanism, provide
Two groups of completely self-contained brake separating mechanisms realize quick acting switching-off by electromagnetic repulsion mechanism, normal in Short-circuit Working Condition
Under operating condition, normal separating brake is realized by permanent magnet mechanism, reduces the action frequency of permanent magnet mechanism, greatly improves Fast mechanical switch
Reliability and working life.
Detailed description of the invention
Fig. 1 is the separating brake completion status structural schematic diagram of the utility model embodiment 1.
Fig. 2 is the making process intermediate state structural schematic diagram of the utility model embodiment 1.
Fig. 3 is the combined floodgate completion status structural schematic diagram of the utility model embodiment 1.
Fig. 4 is status architecture schematic diagram among the normal separating brake process of the utility model embodiment 1.
Fig. 5 is status architecture schematic diagram among the emergency opening process of the utility model embodiment 1.
Fig. 6 is the separating brake completion status structural schematic diagram of the utility model embodiment 2.
Fig. 7 is the making process intermediate state structural schematic diagram of the utility model embodiment 2.
Fig. 8 is the combined floodgate completion status structural schematic diagram of the utility model embodiment 2.
Fig. 9 is status architecture schematic diagram among the separating brake process of the utility model embodiment 2.
Label in figure: 1- vacuum interrupter, 2- insulated pull rod, 3- connecting rod, 4- repulsion coil, 5- repulsion dish, 6- connect
Bar, 7- bistable spring, 8- buffer unit, 9- snap arm, 10- interlocking mechanism, 11- lock hole, 12- locking level, 13- bistable state is forever
Magnetic mechanism, 14- bistable state disc spring, 15- Monostable permanent magnetic mechanism.
Specific embodiment
The utility model is described in further detail below with reference to embodiment and referring to attached drawing.
Embodiment 1:
One embodiment of the utility model is a kind of mechanical high-speed switch based on electromagnetic repulsion mechanism.Based on electromagnetism
The structure of the mechanical high-speed switch of repulsive force mechanism is referring to Fig. 1.
Vacuum interrupter 1 is connect with connecting rod 3 by insulated pull rod 2.Electromagnetic repulsion mechanism and double is installed in connecting rod 3
Stable state holding mechanism；Repulsion coil 4 and repulsion dish 5 form electromagnetic repulsion mechanism, and repulsion dish 5 are fixedly connected with connecting rod 3.Bistable
State holding mechanism includes bistable spring 7 and connecting rod 6, and 6 one end of connecting rod connects bistable spring 7, and the other end connects connecting rod 3；
In the movement of 3 upstream or downstream of connecting rod, bistable spring 7 keeps compressive state, is applied by state of the connecting rod 6 to connecting rod 3
Retentivity.It is only illustrated in the present embodiment with bistable spring, but is not limited to bistable spring, can also be other kinds
The bistable state holding mechanism of class, such as bistable state disc spring, as long as used bistable state holding mechanism can be realized above-mentioned function
?.Operating mechanism uses bistable-state permanent magnet mechanism 13, can be realized combined floodgate and sub-switching operation.Connecting rod 3 and bistable state are forever
Magnetic mechanism 13 is connected by interlocking mechanism 10, and interlocking mechanism 10 is fixed on the lower end of connecting rod 3；Energy is installed in interlocking mechanism 10
Enough snap arm 9 for popping up, withdrawing.It is provided with lock hole 11 in interlocking mechanism 10, locking level is installed above bistable-state permanent magnet mechanism 13
12, locking level 12 can move up and down in lock hole 11, and the diameter of lock hole 11 connects not less than the range of connecting rod 12
Range of the extension bar 3 in separating brake；Buffer unit 8 is installed below repulsion dish 5 and bistable-state permanent magnet mechanism 13, plays separating brake
Buffer function in the process.Buffer 8 can be using oil bumper, gas cushion, damping buffer or spring buffer etc.
To realize buffering.
In normal conditions, mechanical high-speed switch is realized that mechanical high-speed switch closes a floodgate using bistable-state permanent magnet mechanism 13 and grasped
Make, sub-switching operation, mechanical high-speed switch gate-dividing state, "on" position are kept using bistable state holding mechanism.Under fault condition,
Mechanical high-speed switch realizes mechanical high-speed switch quick acting switching-off operation using electromagnetic repulsion mechanism.
Specific separating brake and closing operation process are as follows:
One, closing operation under nominal situation
Referring to Fig. 1,1 initial position of vacuum interrupter is in separating brake completion status, and the snap arm 9 in interlocking mechanism 10 is in bullet
It does well.Referring to fig. 2,13 feed motion of bistable-state permanent magnet mechanism, bistable-state permanent magnet mechanism 13 push the snap arm 9 of pop-up to transport upwards
It is dynamic, it drives interlocking mechanism 10, connecting rod 3, insulated pull rod 2 to move upwards, vacuum interrupter 1 is made to close a floodgate.Connecting rod 3 drives bistable
State holding mechanism moves upwards, and since bistable spring 7 keeps compressive state, the work along connecting rod 6 is persistently generated to connecting rod 6
Firmly, to apply the active force to closing position to connecting rod 3, i.e. bistable state holding mechanism is in combined floodgate holding position, mentions
For the "on" position retentivity of vacuum interrupter 1.Referring to Fig. 3, after vacuum interrupter 1 is in closing position, snap arm 9 withdraws interlocking
In mechanism 10.
Two, sub-switching operation under nominal situation
Referring to Fig. 3,1 initial position of vacuum interrupter is in closing position, and the snap arm 9 in interlocking mechanism 10, which is in, withdraws shape
State.Referring to fig. 4,13 separating brake of bistable-state permanent magnet mechanism acts, and bistable-state permanent magnet mechanism 13 moves downward, and bistable state is overcome to keep machine
The "on" position retentivity that structure provides, the locking level 12 of the top of bistable-state permanent magnet mechanism 13 drive interlocking mechanism 10, connecting rod 3,
Insulated pull rod 2 is moved to open position, makes 1 separating brake of vacuum interrupter.Connecting rod 3 drives bistable state holding mechanism to open position
Movement persistently generates the active force along connecting rod 6 to connecting rod 6, thus to even since bistable spring 7 keeps compressive state
Extension bar 3 applies the active force to open position, i.e. bistable state holding mechanism is in separating brake holding position, provides vacuum interrupter 1
Gate-dividing state retentivity.The buffer unit 8 installed at repulsion dish 5 and bistable-state permanent magnet mechanism 13, during playing separating brake
Buffer function.Referring to Fig. 1, after vacuum interrupter 1 is in open position, snap arm 9 is popped up from interlocking mechanism 10.
Three, emergency opening under fault condition
Referring to Fig. 3,1 initial position of vacuum interrupter is in "on" position, and the snap arm 9 in interlocking mechanism 10, which is in, withdraws shape
State.Referring to Fig. 5, after short trouble occurs, repulsion coil 4 is discharged, and repulsion dish 5 start separating brake movement, and the repulsion of generation overcomes
The "on" position retentivity that bistable state holding mechanism 7 provides drives interlocking mechanism 10, connecting rod 3, insulated pull rod 2 to sub-gate position
Set movement.The snap arm 9 in interlocking mechanism 10 is in retracted state at this time, and snap arm 9 is not contacted with bistable-state permanent magnet mechanism 13.Connection
Latch mechanism 10 starts failure separating brake in the case where not generating contact with bistable-state permanent magnet mechanism 13, when can shorten failure separating brake
Between.Connecting rod 3 drives bistable state holding mechanism to move to open position, right since bistable spring 7 keeps compressive state
Connecting rod 6 persistently generates the active force along connecting rod 6, to apply the active force to open position to connecting rod 3, i.e. bistable state is kept
Mechanism is in separating brake holding position, provides the gate-dividing state retentivity of vacuum interrupter 1.Referring to Fig. 1, electromagnetic repulsion mechanism is completed
After separating brake movement, bistable-state permanent magnet mechanism 13 is moved to open position, after reaching open position, the snap arm 9 in interlocking mechanism 10
Pop-up, to carry out next combined floodgate circulation.
Embodiment 2:
Another embodiment of the utility model is a kind of mechanical high-speed switch based on electromagnetic repulsion mechanism.Based on electricity
The structure of the mechanical high-speed switch of magnetic repulsion mechanism is referring to Fig. 6.Operating mechanism uses Monostable permanent magnetic mechanism 15.In the present embodiment
It is only illustrated with Monostable permanent magnetic mechanism, but is not limited to Monostable permanent magnetic mechanism, can also be the monostable of other types
State operating mechanism, as long as used monostable operating mechanism can be realized monostable closing function.
In normal conditions, mechanical high-speed switch is realized that mechanical high-speed switch closes a floodgate using Monostable permanent magnetic mechanism 15 and grasped
Make, the normal sub-switching operation of mechanical high-speed switch is realized using electromagnetic repulsion mechanism, machine is kept using bistable state holding mechanism
Tool high-speed switch gate-dividing state, "on" position.Bistable state holding mechanism includes the bistable state disc spring being fixedly connected with connecting rod 3
14；In the movement of 3 upstream or downstream of connecting rod, bistable state disc spring 14 keeps compressive state, applies to the state of connecting rod 3 and keeps
Power.During normal sub-switching operation, the discharge voltage at 4 both ends of repulsion coil of electromagnetic repulsion mechanism can be reduced, to reduce
Electromagnetic repulsion mechanism improves the reliability and working life of Fast mechanical switch in opening velocity in normal conditions.In event
Hinder under operating condition, mechanical high-speed switch realizes the quick acting switching-off operation of mechanical high-speed switch using electromagnetic repulsion mechanism.
Specific separating brake and closing operation process are as follows:
One, closing operation under nominal situation
Referring to Fig. 6,1 initial position of vacuum interrupter is in separating brake completion status, and the snap arm 9 in interlocking mechanism 10 is in bullet
It does well.Referring to Fig. 7,15 feed motion of Monostable permanent magnetic mechanism, Monostable permanent magnetic mechanism 15 pushes the snap arm 9 of pop-up to transport upwards
It is dynamic, it drives interlocking mechanism 10, connecting rod 3, insulated pull rod 2 to move upwards, vacuum interrupter 1 is made to close a floodgate.Connecting rod 3 drives bistable
State holding mechanism moves upwards, and since bistable state disc spring 14 is compressive state, is continuously applied connecting rod 3 to closing position
Active force, i.e. bistable state holding mechanism is in combined floodgate holding position, provides the "on" position retentivity of vacuum interrupter 1.Ginseng
After seeing that Fig. 8, vacuum interrupter 1 are in closing position, snap arm 9 is withdrawn in interlocking mechanism 10.
Two, sub-switching operation under nominal situation:
Referring to Fig. 8,1 initial position of vacuum interrupter is in "on" position, and the snap arm 9 in interlocking mechanism 10, which is in, withdraws shape
State.Referring to Fig. 9, repulsion coil 4 is discharged, and repulsion dish 5 start separating brake movement, and the repulsion of generation overcomes bistable state holding mechanism to provide
"on" position retentivity, drive interlocking mechanism 10, connecting rod 3, insulated pull rod 2 to move to open position.At this time due to interlocking
Snap arm 9 in mechanism 10 is in retracted state, and snap arm 9 is not contacted with Monostable permanent magnetic mechanism 15.Interlocking mechanism 10 not with
Monostable permanent magnetic mechanism 15 starts normal separating brake in the case where generating contact.Connecting rod 3 drives bistable state holding mechanism to separating brake
Position movement is continuously applied the active force to open position to connecting rod 3 since bistable state disc spring 14 is compressive state,
I.e. bistable state holding mechanism is in separating brake holding position, provides the gate-dividing state retentivity of vacuum interrupter 1.Referring to Fig. 6, electromagnetism
After repulsive force mechanism completes separating brake movement, Monostable permanent magnetic mechanism 15 is moved to open position, after reaching open position, interlocking mechanism
Snap arm 9 in 10 pops up, to carry out next combined floodgate circulation.
Three, emergency opening under fault condition:
Referring to Fig. 8,1 initial position of vacuum interrupter is in "on" position, and the snap arm 9 in interlocking mechanism 10, which is in, withdraws shape
State.Referring to Fig. 9, repulsion coil 4 is discharged, and repulsion dish 5 start separating brake movement, and the repulsion of generation overcomes bistable state holding mechanism to provide
"on" position retentivity, drive interlocking mechanism 10, connecting rod 3, insulated pull rod 2 to move to open position.At this time due to interlocking
Snap arm 9 in mechanism 10 is in retracted state, and snap arm 9 is not contacted with Monostable permanent magnetic mechanism 15.Interlocking mechanism 10 not with
Monostable permanent magnetic mechanism 15 starts quick acting switching-off in the case where generating contact.Connecting rod 3 drives bistable state holding mechanism to separating brake
Position movement is continuously applied the active force to open position to connecting rod 3 since bistable state disc spring 14 is compressive state,
I.e. bistable state holding mechanism is in separating brake holding position, provides the gate-dividing state retentivity of vacuum interrupter 1.Referring to Fig. 6, electromagnetism
After repulsive force mechanism completes separating brake movement, Monostable permanent magnetic mechanism 15 is moved to open position, after reaching open position, interlocking mechanism
Snap arm 9 in 10 pops up, to carry out next combined floodgate circulation.
Although the utility model has been described by way of example and in terms of the preferred embodiments, embodiment is not for limiting the utility model
's.In the spirit and scope for not departing from the utility model, it is practical new to also belong to this for any equivalent change or retouch done
The protection scope of type.Therefore the protection scope of the utility model should be mark with the content that claims hereof is defined
It is quasi-.
Claims (10)
1. a kind of mechanical high-speed switch based on electromagnetic repulsion mechanism, which is characterized in that keep machine including connecting rod, bistable state
Structure, operating mechanism and one group of electromagnetic repulsion mechanism；The connecting rod is under the driving of the electromagnetic repulsion mechanism or operating mechanism
Movement makes the mechanical high-speed switch separating brake；The connecting rod moves under the driving of the operating mechanism, makes described mechanical fast
Speed switch closes a floodgate；In connecting rod separating brake or combined floodgate movement, the bistable state holding mechanism applies the opening and closing state of connecting rod
Add retentivity.
2. the mechanical high-speed switch based on electromagnetic repulsion mechanism as described in claim 1, which is characterized in that the electromagnetic repulsion force
Mechanism includes repulsion coil and repulsion dish, and the repulsion dish are fixed in connecting rod, is applied by repulsion coil to repulsion dish and is denounceed
Power drives mechanical high-speed switch to move to open position.
3. the mechanical high-speed switch based on electromagnetic repulsion mechanism as described in claim 1, which is characterized in that the bistable state is protected
Holding mechanism includes bistable spring and connecting rod, and one end of the bistable spring is fixed, and the other end is connected with one end of connecting rod, institute
The other end for stating connecting rod connects the connecting rod；When connecting rod is moved to open position or closing position, the bistable state bullet
Spring keeps compressive state, applies the retentivity of separating brake or "on" position to connecting rod by connecting rod.
4. the mechanical high-speed switch based on electromagnetic repulsion mechanism as described in claim 1, which is characterized in that the bistable state is protected
Holding mechanism includes bistable state disc spring, and the outer end of the bistable state disc spring is fixed, and inner end is fixedly connected with the connecting rod；Connecting rod to
When open position or closing position move, the bistable state disc spring keeps compressive state, is applied by bistable state disc spring to connecting rod
The retentivity of bonus point lock or "on" position.
5. the mechanical high-speed switch based on electromagnetic repulsion mechanism as described in claim 1, which is characterized in that the connecting rod with
Operating mechanism is connected by interlocking mechanism, is equipped with snap arm in interlocking mechanism；The snap arm is completed in the mechanical high-speed switch
The interlocking mechanism is withdrawn when combined floodgate, is popped up when the mechanical high-speed switch completes separating brake from the interlocking mechanism；When combined floodgate,
Operating mechanism is abutted against with snap arm, and connecting rod is pushed to move to closing position.
6. the mechanical high-speed switch based on electromagnetic repulsion mechanism as claimed in claim 5, which is characterized in that the operating mechanism
For bistable-state permanent magnet mechanism, for driving the connecting rod movement to realize the combined floodgate of the mechanical high-speed switch in normal conditions
And separating brake makes the mechanical high-speed switch separating brake by the electromagnetic repulsion mechanism under fault condition.
7. the mechanical high-speed switch based on electromagnetic repulsion mechanism as claimed in claim 5, which is characterized in that the operating mechanism
For Monostable permanent magnetic mechanism or electromagnetic mechanism, the mechanical high-speed switch is set to close a floodgate for driving the connecting rod to move, just
Under normal operating condition and fault condition, the mechanical high-speed switch separating brake is made by the electromagnetic repulsion mechanism.
8. the mechanical high-speed switch based on electromagnetic repulsion mechanism as claimed in claim 6, which is characterized in that the interlocking mechanism
It is inside provided with lock hole, locking level is installed on the operating mechanism；The locking level is passed through from lock hole；The lock hole edge
The size of the connecting rod direction of motion is not less than the range of the connecting rod.
9. the mechanical high-speed switch based on electromagnetic repulsion mechanism as described in claim 1, which is characterized in that the electromagnetic repulsion force
Buffer unit is installed below mechanism and/or the operating mechanism.
10. the mechanical high-speed switch according to claim 9 based on electromagnetic repulsion mechanism, which is characterized in that the buffering
Device is oil bumper, gas cushion, damping buffer or spring buffer.
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| CN201821415599.5U CN208580703U (en) | 2018-08-30 | 2018-08-30 | Mechanical high-speed switch based on electromagnetic repulsion mechanism |
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| CN201821415599.5U CN208580703U (en) | 2018-08-30 | 2018-08-30 | Mechanical high-speed switch based on electromagnetic repulsion mechanism |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110428986A (en) * | 2019-08-19 | 2019-11-08 | 南京南瑞继保电气有限公司 | Electromagnetic repulsion force operating device and switch based on electromagnetic repulsion force operating device |
| CN110875162A (en) * | 2018-08-30 | 2020-03-10 | 江苏大全凯帆电器股份有限公司 | Mechanical quick switch based on electromagnetic repulsion mechanism |
| CN110911188A (en) * | 2019-12-06 | 2020-03-24 | 上海思源高压开关有限公司 | Closing buffer mechanism for high-speed switch and adjusting method |
| CN111048365A (en) * | 2019-11-26 | 2020-04-21 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Quick locking and tripping device for repulsion mechanism |
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2018
- 2018-08-30 CN CN201821415599.5U patent/CN208580703U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110875162A (en) * | 2018-08-30 | 2020-03-10 | 江苏大全凯帆电器股份有限公司 | Mechanical quick switch based on electromagnetic repulsion mechanism |
| CN110428986A (en) * | 2019-08-19 | 2019-11-08 | 南京南瑞继保电气有限公司 | Electromagnetic repulsion force operating device and switch based on electromagnetic repulsion force operating device |
| CN111048365A (en) * | 2019-11-26 | 2020-04-21 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Quick locking and tripping device for repulsion mechanism |
| CN111048365B (en) * | 2019-11-26 | 2021-10-22 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Quick locking and tripping device for repulsion mechanism |
| CN110911188A (en) * | 2019-12-06 | 2020-03-24 | 上海思源高压开关有限公司 | Closing buffer mechanism for high-speed switch and adjusting method |
| CN110911188B (en) * | 2019-12-06 | 2021-11-05 | 上海思源高压开关有限公司 | Closing buffer mechanism for high-speed switch and adjusting method |
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