CN105845520B - A kind of breaker and its control device - Google Patents
A kind of breaker and its control device Download PDFInfo
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- CN105845520B CN105845520B CN201610397717.3A CN201610397717A CN105845520B CN 105845520 B CN105845520 B CN 105845520B CN 201610397717 A CN201610397717 A CN 201610397717A CN 105845520 B CN105845520 B CN 105845520B
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- 230000005611 electricity Effects 0.000 claims description 5
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- 238000004146 energy storage Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 230000008278 dynamic mechanism Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 11
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- 230000008569 process Effects 0.000 description 6
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- 230000008014 freezing Effects 0.000 description 4
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- 238000005516 engineering process Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
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- 101100489713 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) GND1 gene Proteins 0.000 description 1
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Classifications
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- 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
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/42—Induction-motor, induced-current, or electrodynamic release mechanisms
- H01H71/43—Electrodynamic release mechanisms
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- 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
Abstract
The present invention relates to a kind of breaker and its control devices.The breaker includes motor transmission mechanism, and the motor transmission mechanism is used to that switch contact to be closed or be detached.The motor transmission mechanism includes worm screw, the first duplex helical gear, the second duplicate gear, third duplicate gear and partial gear；Wherein, first duplex helical gear is engaged with the gear being arranged on motor driving shaft, first duplex helical gear is engaged with second duplicate gear, and second duplicate gear is engaged with the third duplicate gear, and third duplicate gear is engaged with the partial gear；The worm screw is fixed on the partial gear.The reliability and stability when present invention can take into account breaker open operation or close a floodgate.
Description
Technical field
The present invention relates to intelligent power grid technology fields, and in particular to a kind of breaker and its control device.
Background technology
As country is to the input of intelligent grid, the standard of the electrical equipment of national grid is also being formulated, for example, electric energy
The breaker of table.Therefore it needs to release new product according to the standard of new user equipment.
Currently, including following manner to the design of breaker：" breaker+control unit "：One is added in circuit breaker external
A control unit realization automatically controls.The advantages of which, is the technology using existing breaker maturation, reduces development cost.
But also additional control unit can increase the volume of breaker, can not utilize the internal resource of existing breaker, cause resource
Waste, causes design cost to increase.
By taking miniature circuit breaker as an example：The separating brake action of breaker relies primarily on spring and pushes contact separation, due to detaching band
Electric arc is will produce when electrical circuit between contact.Electric arc can generate larger suction to contact.To overcome the influence of electric arc, spring usually defeated
Go out larger torque, enables contact quick separating to disconnect energized circuit.The key of separating brake is to thread off, and is realized in circuit breaker internal
Separating brake controls, it is only necessary to design a movement device i.e..Setting shutting-brake control is further needed exist for, to overcome the power output of spring
Square.But separating brake with close a floodgate realize (separating brake, which can be thus achieved, again to close a floodgate, but not be simultaneously) simultaneously when, then to the breaker
Reliability and stability bring no small challenge.
Invention content
For the defects in the prior art, a kind of breaker of present invention offer and its control device, can take into account breaker
Reliability and stability when separating brake or combined floodgate.
In a first aspect, the present invention provides a kind of breaker, including motor transmission mechanism, the motor transmission mechanism are used for
Switch contact is closed or is detached.
Optionally, the motor transmission mechanism includes worm screw, the first duplex helical gear, the second duplicate gear, third duplex
Gear and partial gear；Wherein, first duplex helical gear is engaged with the worm screw being arranged on motor driving shaft, and described
One duplex helical gear is engaged with second duplicate gear, and second duplicate gear is engaged with the third duplicate gear, the
Three duplicate gears are engaged with the partial gear.
Optionally, the transmission ratio of the partial gear and first duplex helical gear is 419.3.
Second aspect, the embodiment of the present invention additionally provide a kind of control device for breaker described above, including：
Transmission mechanism control module, power module and state detection module；
The state detection module connects the transmission mechanism control module, and for obtaining switch contact state, threading off fills
It sets state and feeds back to the transmission mechanism control module；
The transmission mechanism control module connects the power module, for according to the switch contact state and described
Trip gear state generates control instruction, and the control instruction is sent to the power module；
The power module connects motor transmission mechanism, for exporting preset torque according to the control instruction to control electricity
The action of machine transmission mechanism is driving switch contact to predeterminated position.
Optionally, further include standby power module, the standby power module when energy storage is completed for passing through the short time
Electric discharge drives the power module work, so that the breaker closing.
Optionally, the standby power module include the first diode V1, it is the second diode V2, third diode V3, steady
Press diode V4, the first transistor V5, second transistor V6, the 4th diode V7, the 5th diode V8, third transistor V9,
First capacitance C1, the second capacitance C2, third capacitance C3, the 4th capacitance C6, first resistor R1, second resistance R2,3rd resistor R3,
4th resistance R4, the 5th resistance F5, the 6th resistance R6, the 7th resistance R7, the 8th resistance R8, the 9th resistance R11, the tenth resistance
R12；Wherein
First resistor R1 and the 6th resistance R6 constitutes bleeder circuit, the first end connection ground of the bleeder circuit, and the other end connects
Meet the first power cord L1；The second end of the 6th resistance R6 connects the first end of the tenth resistance R12, and the of the tenth resistance R12
Two ends connect the first input end of connecting terminal J4；
The first end of first resistor R6 described in the substrate connection of the third transistor and the second of the first resistor R1
End, collector connect 5V power supplys, emitter connection ground by the 8th resistance；
The second input terminal of the connecting terminal J4 connects the first diode V1, the second diode V2, the three or two pole simultaneously
The anode of pipe V3；The cathode of second diode by after the second resistance R2 connect the 6th transistor V6 collector,
The first pole, the second end of the 5th resistance and the base stage of the first transistor V5 of 6th capacitance C6；
The cathode of the first diode V1 connects the second end of the 9th resistance R11 and the 7th resistance R7
First end；The second end of the 7th resistance R7 connect simultaneously the first pole of the first capacitance C1,3rd resistor R3 second
The cathode of end and zener diode V4；The second pole of the first capacitance C1, the first end of 3rd resistor R3 and voltage stabilizing two
The anode of pole pipe V4 is connected to the anode of the 5th diode V8 simultaneously；The minus earth of the 5th diode V8；
The base stage of the 6th transistor V6 connects the anode of the zener diode V4, while after the second capacitance C2
Ground connection, emitter ground connection；
The second pole of the 6th capacitance C6 is grounded, the first end ground connection of the 5th resistance R5；The first transistor
The emitter of V5 is grounded, and collector connects the second source input terminal of the first relay K1；The of the first relay K1
One power input connects the cathode of the 4th diode V7, and the anode of the 4th diode V7 connects the second relay
Normally-closed contact.
As shown from the above technical solution, the present invention can control switch by the way that motor transmission mechanism and control device is arranged
Contact closure or separation.Breaker and control device provided by the invention are simple in structure, while can take into account breaker point
Reliability and stability when lock or combined floodgate.
Description of the drawings
The features and advantages of the present invention can be more clearly understood by reference to attached drawing, attached drawing is schematically without that should manage
Solution is carries out any restrictions to the present invention, in the accompanying drawings：
Fig. 1 is a kind of side schematic view of the transmission mechanism of breaker provided in an embodiment of the present invention；
Fig. 2 is the structure diagram of control device provided in an embodiment of the present invention；
Fig. 3 is control device initialization flow diagram provided in an embodiment of the present invention；
Fig. 4 is the processing flow schematic diagram that breaker is in "on" position；
Fig. 5 is the processing flow schematic diagram of breaker state in an intermediate position；
Fig. 6 is the processing flow schematic diagram that breaker is in gate-dividing state；
Fig. 7 is the circuit diagram of standby power module；
Fig. 8 is the circuit diagram of power module；
Fig. 9 is on off state monitoring modular workflow schematic diagram；
Figure 10 is the workflow schematic diagram of feedback of status module；
Figure 11 is instantaneous frozen state process of feedback schematic diagram；
Figure 12 is to freeze processing stage flow diagram.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
The every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
An embodiment of the present invention provides a kind of breakers, as shown in Figure 1, including motor transmission mechanism, the motor drive
Mechanism is used to that switch contact to be closed or be detached.Motor transmission mechanism includes that worm screw a, the first duplex are oblique in the embodiment of the present invention
Gear b, the second duplicate gear c, third duplicate gear d and partial gear e；Wherein, the first duplex helical gear b and setting are in electricity
Worm screw a is engaged in machine drive shaft, and the first duplex helical gear b is engaged with the second duplicate gear c, and the second duplicate gear c is double with third
Join gear d engagements, third duplicate gear d is engaged with partial gear e.
Middle gear parameter of the embodiment of the present invention is as shown in table 1：
1 each section parameter of table
| Project name | The number of teeth and modulus |
| Number of threads (modulus) | 1(0.4mm) |
| First duplex helical gear | 26(13)/0.4mm |
| Second duplicate gear | 37(12)/0.4mm(0.5mm) |
| Third duplicate gear | 28(14)/0.5mm(0.6mm) |
| Partial gear | 22/0.6mm |
It is the number of teeth and modulus of the pinion gear of duplex helical gear or duplicate gear, bracket in bracket of the embodiment of the present invention
Outside is the number of teeth and modulus of gear wheel.
The transmission ratio of gear can be calculated by table 1：
Assuming that when the first duplex helical gear, the second duplicate gear, third duplicate gear and partial gear normal use
Minimum efficiency is respectively 0.4,0.75,0.75,0.75；Divide-shut brake pull rod (not shown) radius is 15mm, then reaches last
The no-load torque of level-one：
T2=419.3 × 1.43 × 0.4 × 0.75 × 0.75 × 0.75=101.2N. (2)
Combined floodgate damping torque T3, electric motor load torque is T when combined floodgate5, then when closing a floodgate：
T2-T3=419.3 × T5×0.4×0.75×0.75×0.75； (3)
It is T that can obtain electric motor load torque according to formula (3)5.Then further according to formula (4)：
T5=9550 × P/n5； (4)
N in formula (4)5For motor load rotating speed, P is power of motor (kW).
The angular velocity omega of pull rod when divide-shut brake can be calculated using formula (5)1：
And then the time t that can be closed a floodgate1。
When separating brake, electric motor load torque is T when separating brake6, T can be calculated by formula (6)6：
T2+T4=419.3 × T6×0.4×0.75×0.75×0.75； (6)
T in formula (6)4It is separating brake from power, it is unknown.
Motor load rotating speed n is calculated according to formula (7)6；
T6=9550 × P/n6； (7)
Angular velocity omega when separating brake is obtained in turn2：
According to angular velocity omega2It can obtain opening time t2。
Divide-shut brake pull rod corner is θ in the embodiment of the present invention1, partial gear rotational angle theta2, each separating brake in place or close a floodgate
Revolution certain angle θ in place3, to facilitate act next time and be switched to manual activity there are spaces.This angle, θ3With incomplete tooth
The half of wheel is optimal, then in place, which will go to combined floodgate or separating brake next time
Partial gear rotating speed under no-load condition
Under t=0.42s, that is, light condition, 0.42s the time required to divide-shut brake.
In the embodiment of the present invention, motor selects direct current generator.Position sensor uses infrared transmitting tube and reception pipe, wherein
Infrared transmitting tube model IR26-21C/L110/TR8, reception pipe model：PT26-21B-TR8.And transmitting tube scattering angle
It is ± 15 °.The transmitting tube is welded on tube side-by-side is received on circuit board, and center spacing is 2.3mm.It is provided on partial gear
The copper foil of one piece of a diameter of 2mm realizes position control for reflecting infrared light.
When partial gear goes to predeterminated position, corresponding infrared receiving tube receives the infrared light of reflection, generates electricity
Flat variation, by amplifier threshold circuit, the low and high level signal of generation 0 or 1 is to microcontroller.
Motor drive ic selects BD6221F, microcontroller that R5F10268 is selected to realize in the embodiment of the present invention.
Second aspect, the embodiment of the present invention additionally provides a kind of control device for breaker, as shown in Fig. 2, including：
Transmission mechanism control module 1, power module 2 and state detection module 4；
State detection module 4 connects transmission mechanism control module 1, for obtaining switch contact state, trip gear state
And feed back to transmission mechanism control module 1；
Transmission mechanism control module 1 connects power module 2, for being given birth to according to switch contact state and trip gear state
It is sent to power module 2 at control instruction, and by control instruction；
Power module connects motor transmission mechanism 3, for exporting preset torque according to control instruction to control motor drive
The action of mechanism 3 is driving switch contact to predeterminated position.
The predeterminated position of motor includes closing position, centre position and open position in the embodiment of the present invention.Such as Fig. 3 institutes
Show, transmission mechanism control module in each power-up initializing, obtain by infrared transmitting tube and reception pipe detection switch contact,
The current state of actuating mechanism and state detection module, and judge that breaker is presently in state.It (is closed a floodgate according to judgement result
Position, centre position, open position or other positions) execute corresponding process flow.
As shown in figure 4, judging switch feedback state when in closing position, if switch feedback state disconnects, instead
Rotating motor.If switch feedback state is closed, continue to judge whether motor is in rotating forward state, stops motor if motor rotates forward
Terminate flow；Judge whether motor is in inverted status if not being to rotate forward if motor, if being in inverted status, keeps motor
Current state terminates flow.Judge whether motor is in halted state if not being to invert if motor status, if stopping terminating to flow
Journey makes motor reversal terminate flow again if motor stops.
As shown in figure 5, judging whether switch feedback state is closed when in an intermediate position, closure then keeps motor reversal right
After terminate flow；Terminate flow if disconnecting, stop motor if not disconnecting, and on off state initialization Success Flag is set 1.
Then it is that machine state then keeps to rotate forward as shown in fig. 6, judging whether motor status rotates forward when in open position
Then the current state of motor terminates flow.Otherwise judge whether motor status is in inverted status, if motor is in reversion
State then keeps motor reversal state then to terminate flow.Otherwise judge whether motor status is in halted state, then keep electricity
Then machine inverted status terminates flow.Terminate flow if motor status is not off state.
Further, the embodiment of the invention also includes standby power modules 5.Standby power module 5 is used to complete in energy storage
When by the short time discharge driving power module 2 work so that breaker closing.As shown in fig. 7, standby power module 5 includes
First diode V1, the second diode V2, third diode V3, zener diode V4, the first transistor V5, second transistor
V6, the 4th diode V7, the 5th diode V8, third transistor V9, the first capacitance C1, the second capacitance C2, third capacitance C3,
Four capacitance C6, first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4, the 5th resistance F5, the 6th resistance R6,
Seven resistance R7, the 8th resistance R8, the 9th resistance R11, the tenth resistance R12；Wherein,
First resistor R1 and the 6th resistance R6 constitutes bleeder circuit, the first end connection ground of the bleeder circuit, and the other end connects
Meet the first power cord L1；The second end of the 6th resistance R6 connects the first end of the tenth resistance R12, and the of the tenth resistance R12
Two ends connect the first input end of connecting terminal J4；
The first end of first resistor R6 described in the substrate connection of the third transistor and the second of the first resistor R1
End, collector connect 5V power supplys, emitter connection ground by the 8th resistance；
The second input terminal of the connecting terminal J4 connects the first diode V1, the second diode V2, the three or two pole simultaneously
The anode of pipe V3；The cathode of second diode by after the second resistance R2 connect the 6th transistor V6 collector,
The first pole, the second end of the 5th resistance and the base stage of the first transistor V5 of 6th capacitance C6；
The cathode of the first diode V1 connects the second end of the 9th resistance R11 and the 7th resistance R7
First end；The second end of the 7th resistance R7 connect simultaneously the first pole of the first capacitance C1,3rd resistor R3 second
The cathode of end and zener diode V4；The second pole of the first capacitance C1, the first end of 3rd resistor R3 and voltage stabilizing two
The anode of pole pipe V4 is connected to the anode of the 5th diode V8 simultaneously；The minus earth of the 5th diode V8；
The base stage of the 6th transistor V6 connects the anode of the zener diode V4, while after the second capacitance C2
Ground connection, emitter ground connection；
The second pole of the 6th capacitance C6 is grounded, the first end ground connection of the 5th resistance R5；The first transistor
The emitter of V5 is grounded, and collector connects the second source input terminal of the first relay K1；The of the first relay K1
One power input connects the cathode of the 4th diode V7, and the anode of the 4th diode V7 connects the second relay
Normally-closed contact.
The first diode V1, the second diode V2, third diode V3 are halfwave rectifier diode in the embodiment of the present invention,
Alternating current 220V is controlled into signal after halfwave rectifier to the first capacitance C1, the C3 chargings of third capacitance.As zener diode V4 two
When the voltage at end reaches breakdown reverse voltage, the first transistor V5, second transistor V6 conductings, transmission mechanism control module 1 are sent out
The division of the control signal T forming circuit control relay K1 (model JZC-49F) gone out, to achieve the purpose that control motor.
Standby power provided in an embodiment of the present invention is divided into standby mode and driving condition, and input current is less than the alternating current of 1mA,
Under standby mode, standby power output voltage is less than 15V, and output current is less than 0.5mA；It is not less than in driving condition output current
20mA, duration are not less than 20ms, and during which Voltage Drop is not higher than 8V.
Transmission mechanism control module 1 provided in an embodiment of the present invention uses STC15 family chips, realizes that acquisition, record are opened
The information such as the combined floodgate gate-dividing state of pass, state of a control can control the break-make of main power source as needed, driving dc motor executes
Relevant operation etc..As shown in figure 8, U1 is STC15 family chips, disconnection and the closure of relay K2 can be controlled, to control
The output of standby power trigger signal T processed.U3 is 7905TO-92 type integrated regulators, main function be output it is stable+
5V power supplys carry out thermal overload protection and short-circuit protection to circuit.One end of the 4th pin (P1.5) the connection relay K2 coils of U1
(the 8th end), the 1st pin (T0/P1.2) by the other end (the 1st end) and 5V power supplys of resistance R9 connection relay K2 coils,
3rd pin (TOCLK/P1.4) by the other end (the 1st end) and 5V power supplys of resistance R10 connection relay K2 coils (+
5V1).The normally opened contact (the 4th end) of relay K2 at the same connect the first end of the second connecting terminal J2,12V power supplys (+12V2) with
And the input terminal (the 3rd pin IN) of U3.The second end of second connecting terminal J2 connect simultaneously (GND1), U3 public terminal GND
And the first end of capacitance C8.The second end of the output end OUT connection 5V power supplys (+5V1) and capacitance C8 of U3.
The detailed description of motor transmission mechanism 3 refers to above in the embodiment of the present invention, and details are not described herein.
Switch contact in the embodiment of the present invention, actuating mechanism state use on off state monitoring modular (not shown)
It realizes.The workflow of the on off state monitoring modular is as shown in Figure 9：
Feed back input state is obtained, judges whether current feedback input state and last feed back input state are consistent；When
When inconsistent, the time at that time is recorded, is current input feedback input state by the last feed back input state of update；If one
It causes, then compares whether current time is more than 20ms with the record time difference, update last feed back input shape if being not more than 20ms
State is current input feedback input state；It is current feedback input state that feedback states are then updated if it is greater than 20ms, then more
New last time feed back input state is that current input feedback input state terminates flow.
Control device provided in an embodiment of the present invention further includes feedback of status module (not shown), the feedback of status mould
The workflow of block is as shown in Figure 10：
Judge whether feedback of status is completed, judges whether feedback of status is instantaneous freezing method if not completing；Such as
Fruit is not that instantaneous freezing method then executes and sets ginseng and freeze process of feedback；It is then executed if it is instantaneous freezing method and instantaneously freezes to feed back
Flow；Judge whether on off state determines if feedback of status has been completed, terminates flow if not determining；If opened
Off status has determined, judges that feedback states are consistent on off state, terminates flow if consistent, is opened if inconsistent
Dynamic process of feedback.
Instantaneous frozen state process of feedback is as shown in figure 11：
Judge whether that if, in freezing the stage, phase process flow is freezed in execution in the stage is freezed；If no
In stage then delay stage A is freezed, marker location position is then switched to for 1 minute in delay if feeding back and completing freezes rank
Section；Terminate flow if no delay stage A.
It is as shown in figure 12 to freeze processing stage flow：
Judge whether, in transmission phase is started, if switch disconnects or 1 minute mark of delay arrives, to write data to
Buffering area is sent, starts and sends freeze command, be switched to just in transmission phase.If switch does not disconnect or is delayed 1 minute and marks
Will does not arrive, switches to delay stage A.Just in transmission phase if being not in and starting transmission phase, if being in the transmission rank
Whether section then judges to send and complete, record has sent the moment it is busy to delay stage B, terminate to flow if not being sent completely
Journey.If being not in transmission phase, judge whether to be in delay stage B, be then delayed 500ms, and is switched to the copy reading stage.
Copy reading phase flow is realized using the scheme of the prior art in the embodiment of the present invention, is no longer introduced herein.
In the present invention, term " first ", " second ", " third " are used for description purposes only, and should not be understood as instruction or
Imply relative importance.Term " multiple " refers to two or more, unless otherwise restricted clearly.
Although the embodiments of the invention are described in conjunction with the attached drawings, but those skilled in the art can not depart from this hair
Various modifications and variations are made in the case of bright spirit and scope, such modifications and variations are each fallen within by appended claims
Within limited range.
Claims (1)
1. a kind of control device of breaker, the breaker include motor transmission mechanism, the motor transmission mechanism is used for will
Switch contact is closed or separation；The motor transmission mechanism includes worm screw, the first duplex helical gear, the second duplicate gear,
Three duplicate gears and partial gear；Wherein, first duplex helical gear is engaged with the worm screw being arranged on motor driving shaft,
First duplex helical gear is engaged with second duplicate gear, and second duplicate gear is nibbled with the third duplicate gear
It closes, third duplicate gear is engaged with the partial gear；The partial gear each separating brake in place or in-place closing
After turn round set angle, the set angle is the half of the partial gear central angle, which is characterized in that the control fills
Set including：Transmission mechanism control module, power module, state detection module and standby power module；
The state detection module connects the transmission mechanism control module, for obtaining switch contact state, trip gear shape
State simultaneously feeds back to the transmission mechanism control module；
The transmission mechanism control module connects the power module, for according to the switch contact state and the dropout
Unit state generates control instruction, and the control instruction is sent to the power module；
The power module connects motor transmission mechanism, for exporting preset torque according to the control instruction to control motor biography
Dynamic mechanism action is driving switch contact to predeterminated position；
The standby power module is used to drive the power module to work by short time electric discharge when energy storage is completed, so that institute
State breaker closing；
The standby power module include the first diode V1, the second diode V2, third diode V3, zener diode V4,
The first transistor V5, second transistor V6, the 4th diode V7, the 5th diode V8, third transistor V9, the first capacitance C1,
Second capacitance C2, third capacitance C3, the 4th capacitance C6, first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4,
5th resistance R5, the 6th resistance R6, the 7th resistance R7, the 8th resistance R8, the 9th resistance R11, the tenth resistance R12；Wherein,
First resistor R1 and the 6th resistance R6 constitutes bleeder circuit, the first end connection ground of the bleeder circuit, other end connection the
One power cord L1；The second end of the 6th resistance R6 connects the first end of the tenth resistance R12, the second end of the tenth resistance R12
Connect the first input end of connecting terminal J4；
The base stage of the third transistor V9 connects the second end of the first end and the first resistor R1 of the 6th resistance R6,
Collector passes through the 8th resistance R8 connection 5V power supplys, emitter connection ground；
The second input terminal of the connecting terminal J4 connects the first diode V1, the second diode V2, third diode V3 simultaneously
Anode；The cathode of the second diode V2 by connected after the second resistance R2 second transistor V6 collector, the
The first pole, the second end of the 5th resistance R5 and the base stage of the first transistor V5 of four capacitance C6；
The cathode of the first diode V1 connect the 9th resistance R11 second end and the 7th resistance R7 first
End；The second end of the 7th resistance R7 connect simultaneously the first pole of the first capacitance C1,3rd resistor R3 second end with
And the cathode of zener diode V4, the anode of the zener diode V4 connect the second end of the 4th resistance R4；Described
The first end of the second pole of one capacitance C1, the first end of 3rd resistor R3 and the 4th resistance R4 is connected to described the simultaneously
The anode of five diode V8；The minus earth of the 5th diode V8；
The base stage of the second transistor V6 connects the second end of the anode and the 4th resistance R4 of the zener diode V4,
And it is grounded after the second capacitance C2, emitter ground connection；
The second pole of the 4th capacitance C6 is grounded, the first end ground connection of the 5th resistance R5；The first transistor V5's
Emitter is grounded, and collector connects the second source input terminal of the first relay K1；The first electricity of the first relay K1
Source input terminal connects the cathode of the 4th diode V7, and the anode of the 4th diode V7 connects the normally closed of the second relay
Contact.
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| CN105845520B true CN105845520B (en) | 2018-08-31 |
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| CN111755297B (en) * | 2020-07-09 | 2023-05-26 | 江苏三口井信息科技有限公司 | Multifunctional breaker device with automatic opening and closing control mechanism |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203179816U (en) * | 2013-03-22 | 2013-09-04 | 北京Abb低压电器有限公司 | Performer for carrying out operation on breaker |
| CN203277259U (en) * | 2013-06-05 | 2013-11-06 | 苏州未来电器有限公司 | Electrically-operated mechanism of breaker |
| CN104036983A (en) * | 2014-06-20 | 2014-09-10 | 国家电网公司 | Automatic switching-out and switching-on device utilizing inner shaft for transmission and method of automatic switching-out and switching-on device |
| CN104779128A (en) * | 2015-04-27 | 2015-07-15 | 苏州未来电器股份有限公司 | Electric-control operator |
| CN206022274U (en) * | 2016-06-07 | 2017-03-15 | 国家电网公司 | A kind of chopper and its control device |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203179816U (en) * | 2013-03-22 | 2013-09-04 | 北京Abb低压电器有限公司 | Performer for carrying out operation on breaker |
| CN203277259U (en) * | 2013-06-05 | 2013-11-06 | 苏州未来电器有限公司 | Electrically-operated mechanism of breaker |
| CN104036983A (en) * | 2014-06-20 | 2014-09-10 | 国家电网公司 | Automatic switching-out and switching-on device utilizing inner shaft for transmission and method of automatic switching-out and switching-on device |
| CN104779128A (en) * | 2015-04-27 | 2015-07-15 | 苏州未来电器股份有限公司 | Electric-control operator |
| CN206022274U (en) * | 2016-06-07 | 2017-03-15 | 国家电网公司 | A kind of chopper and its control device |
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