CN106059289B - A kind of circuit topological structure and control method for solving unicoil or Double coil permanent magnetic mechanism and causing to act dispersibility because of standby time - Google Patents
A kind of circuit topological structure and control method for solving unicoil or Double coil permanent magnetic mechanism and causing to act dispersibility because of standby time Download PDFInfo
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- CN106059289B CN106059289B CN201610512779.4A CN201610512779A CN106059289B CN 106059289 B CN106059289 B CN 106059289B CN 201610512779 A CN201610512779 A CN 201610512779A CN 106059289 B CN106059289 B CN 106059289B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/06—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider
- H02M3/07—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
Abstract
The invention discloses a kind of solution unicoils or Double coil permanent magnetic mechanism to lead to the circuit topological structure and control method of movement dispersibility because of standby time, topological structure includes unicoil or Double coil permanent magnetic mechanism driving circuit, controller and current transformer, the connection of the input terminal of current transformer and controller, the output end of controller and the gate pole of switching tube connect.The present invention is using the method control permanent magnet mechanism coil magnetization electric current to magnetize in advance, pass through the accurate control switch pipe conducting of current feedback, it realizes that permanent magnet mechanism permanent magnet initial state current is consistent, solves the problems, such as that permanent magnet mechanism leads to movement dispersibility because of standby time；Storage capacitor gives permanent magnet mechanism coil magnetization through switch controlled, realize divide-shut brake movement, it solves the problems, such as that switching tube afterflow avoids on/off switch process switch OFF and generates overvoltage simultaneously using specific control sequential, acts branch wire time for the first time after reaching reduction permanent magnet mechanism idle a period of time and average branch wire time difference minimizes.
Description
Technical field
The invention belongs to permanent magnetism coil circuit control fields, and in particular to a kind of solution unicoil or Double coil permanent magnetic mechanism
Because standby time leads to the circuit topological structure and control method of movement dispersibility, it is suitable for unicoil and Double coil permanent magnetic mechanism electricity
Flow feed back type circuit topology.
Background technique
Existing permanent magnet mechanism acts branch wire time and average branch wire time difference for the first time after idle a period of time
Larger, most of mechanism time dispersibility reaches 4-5ms.The control of mechanism dispersibility is needed to exist using newest phase control techniques
In 0.5ms, requirements at the higher level are proposed to mechanism structure design and performance.It is obtained through many experiments and analysis: for single environment
The mechanism used, the reason of mechanism dispersibility are mainly caused by the remanent magnetism of previous movement permanent magnet is inconsistent.Pass through thus
The permanent magnet residual magnetism before acting mechanism every time that magnetizes in advance can unanimously guarantee that mechanism action dispersibility minimizes.
Summary of the invention
The technical problem to be solved by the present invention is to In view of the above shortcomings of the prior art, provide a kind of solution single line
Circle or Double coil permanent magnetic mechanism lead to the circuit topological structure and control method of movement dispersibility because of standby time, anti-by electric current
Present the conducting of accurate control switch pipe, realize that permanent magnet mechanism permanent magnet initial state current is consistent, efficiently solve permanent magnet mechanism because
Standby time leads to the problem of movement dispersibility.
Used technical solution is the present invention to solve above-mentioned technical problem:
A kind of circuit topological structure for solving unicoil permanent magnetic actuator and causing movement dispersed because of standby time, including single line
Enclose permanent magnet mechanism driving circuit, controller and current transformer；
The unicoil permanent magnetic actuator driving circuit is encouraged by large capacity storage capacitor (divide-shut brake capacitor), H bridge, permanent magnet mechanism
Magnetic coil is constituted, and H bridge includes the first switch tube of upper bridge arm, the first freewheeling diode, third switching tube, third freewheeling diode
With the second switch of lower bridge arm, the second freewheeling diode, the 4th switching tube, the 4th freewheeling diode, positive storage capacitor and H
Bridge arm connects to form total interlink point on bridge, and storage capacitor cathode connect to form total interlink point, permanent magnet mechanism excitation with H bridge lower bridge arm
Coil both ends are connected across H bridge arm midpoint respectively, and current transformer string is on storage capacitor and H bridge in the connecting wire of bridge arm；
The connection of the input terminal of the current transformer and controller, output end and first switch tube, second of controller open
The gate pole of Guan Guan, third switching tube and the 4th switching tube connects, and controller is used to receive the sampled signal of current transformer and outer
Boundary's divide-shut brake order, and pwm signal is issued to first switch tube, second switch, third switching tube and the 4th switching tube, control
Each switching tube on-off.
According to the above scheme, the current transformer is punching Hall type, and string is in storage capacitor electric discharge major loop, realization pair
Permanent magnet mechanism magnet exciting coil discharge current real-time detection.
The present invention also provides a kind of above-mentioned solution unicoil permanent magnetic actuator because standby time leads to the electricity of movement dispersibility
The control method of road topological structure, includes the following steps:
1) when controller receives reclosing command, H bridge first switch tube and the 4th switching tube conducting, electric current flow through path by
Positive storage capacitor, first switch tube, permanent magnet mechanism coil, the 4th switching tube, storage capacitor cathode forming circuit, pass through control
First switch tube and the conducting dutycycle of the 4th switching tube control field coil current；
2) H bridge first switch tube is turned off before making process terminates, the 4th switching tube is still connected, and electric current flows through path by forever
Magnetic mechanism coil, the 4th switching tube, the second freewheeling diode forming circuit, shutdown H bridge the 4th switchs after current attenuation is to zero
Pipe, making process terminate；
3) when controller receive separating brake instruction when, H bridge second switch and third switching tube conducting, electric current flow through path by
Positive storage capacitor, third switching tube, permanent magnet mechanism coil, second switch, storage capacitor cathode forming circuit, pass through control
Second switch and the conducting dutycycle of third switching tube control field coil current；
4) H bridge third switching tube is turned off before separating brake process terminates, electric current flows through path and opens by permanent magnet mechanism coil, second
Guan Guan, the 4th freewheeling diode forming circuit, turn off H bridge second switch after current attenuation is to zero, separating brake process terminates.
According to the above scheme, for unicoil permanent magnetic actuator driving circuit, permanent magnet mechanism movement starting electricity is first measured by experiment
Stream peak value, note feed motion initial current peak value are i0 closes, it is i that separating brake, which acts initial current peak value,0 point, combined floodgate is received in controller
When action command, controller issues pwm signal to first switch tube and the 4th switching tube, first switch tube T1And the 4th switching tube
T4Conducting, and conducting dutycycle is gradually increased by zero, current transformer real-time detection coil current, when coil current peak value reaches
0.8i0 closesFirst switch tube is immediately turned off, the pwm signal of the 4th switching tube, the 4th switch of shutdown are blocked when current attenuation is to zero
Pipe, pre-magnetizing process terminate, and whole process continues less than 10ms；Separating brake process is herewith regular.
The present invention also provides a kind of solution Double coil permanent magnetic mechanism because standby time causes the circuit of movement dispersibility to be opened up
Flutter structure, including Double coil permanent magnetic mechanism driving circuit, controller and current transformer；
The Double coil permanent magnetic mechanism driving circuit is by large capacity storage capacitor (separating brake or combined floodgate capacitor), switching tube, continuous
Flow diode, permanent magnet mechanism magnet exciting coil (separating brake or closing coil) is constituted, positive storage capacitor and freewheeling diode cathode and
Permanent magnet mechanism magnet exciting coil one end connects to form first node, and storage capacitor cathode connect to form the second section with switching tube emitter
Point, freewheeling diode anode connect to form third node, electric current with the permanent magnet mechanism magnet exciting coil other end and switch pipe collector
Mutual inductor string is in the connecting wire between positive storage capacitor and first node；
The connection of the input terminal of the current transformer and controller, the output end of controller and the gate pole of switching tube connect,
Controller is used to receive the sampled signal and extraneous divide-shut brake order of current transformer, and issues pwm waveform to switching tube.
According to the above scheme, the current transformer is punching Hall type, and string is in storage capacitor electric discharge major loop, realization pair
Permanent magnet mechanism magnet exciting coil discharge current real-time detection.
The present invention also provides a kind of above-mentioned solution Double coil permanent magnetic mechanism because standby time leads to the electricity of movement dispersibility
The control method of road topological structure, includes the following steps:
1) when controller receives divide-shut brake instruction, switching tube conducting, electric current flows through path by positive storage capacitor, permanent magnetism
Actuator coil, switching tube, storage capacitor cathode forming circuit, the conducting dutycycle by controlling first switch tube, which can control, encourages
Magnet-wire loop current.
2) when combined floodgate or separating brake process terminate preceding on-off switching tube, electric current flows through path by permanent magnet mechanism coil, afterflow two
Pole pipe forming circuit closes a floodgate after current attenuation is to zero or separating brake process terminates.
According to the above scheme, permanent magnet mechanism movement initial current peak value, note are first measured by experiment for Double coil permanent magnetic mechanism
Combined floodgate origination action current peak is i'0 closes, separating brake origination action current peak is i'0 point, feed motion instruction is received in controller
When, controller issues pwm signal to switching tube, and switching tube is connected and conducting dutycycle is gradually increased by zero, and current transformer is real
When detection coil electric current, when coil current peak value reaches 0.8i'0 closesThe pwm signal of lockout switch pipe immediately, on-off switching tube, in advance
Magnetization process terminates, and whole process continues less than 10ms (can carry out normal breaking-closing operating after the above process), point
Lock process is herewith regular.
The beneficial effects of the present invention are:
1, permanent magnet mechanism coil magnetization electric current is controlled using the method to magnetize in advance, passes through the accurate control switch of current feedback
Pipe conducting realizes that permanent magnet mechanism permanent magnet initial state current is consistent, efficiently solves permanent magnet mechanism because standby time causes to move
Make the problem of dispersibility；
2, storage capacitor gives permanent magnet mechanism coil magnetization through switch controlled, divide-shut brake movement is realized, using specific control
Timing solves the problems, such as that switching tube afterflow avoids on/off switch process switch OFF and generates overvoltage simultaneously, reaches reduction permanent magnetic motor
Structure acts branch wire time for the first time after idle a period of time and average branch wire time difference minimizes.
Detailed description of the invention
Fig. 1 is that the present invention solves unicoil permanent magnetic actuator because standby time leads to the circuit topological structure of movement dispersibility
Figure；
Fig. 2 is unicoil permanent magnetic actuator driving circuit closing circuit schematic diagram of the present invention；
Fig. 3 is unicoil permanent magnetic actuator driving circuit closing circuit afterflow schematic diagram of the present invention；
Fig. 4 is unicoil permanent magnetic actuator driving circuit sub-gate circuit schematic diagram of the present invention；
Fig. 5 is unicoil permanent magnetic actuator driving circuit sub-gate circuit afterflow schematic diagram of the present invention；
Fig. 6 is that the present invention solves Double coil permanent magnetic mechanism because standby time leads to the circuit topological structure of movement dispersibility
Figure；
Fig. 7 is Double coil permanent magnetic mechanism driving circuit divide-shut brake circuit diagram of the present invention；
Fig. 8 is Double coil permanent magnetic mechanism driving circuit divide-shut brake circuit afterflow schematic diagram of the present invention.
Specific embodiment
Below according to specific embodiment and in conjunction with attached drawing, the present invention is described in further detail.
As shown in Figure 1, the unicoil permanent magnetic actuator of the present invention that solves is because standby time leads to the electricity of movement dispersibility
Road topological structure, including unicoil permanent magnetic actuator driving circuit, controller and current transformer, unicoil permanent magnetic actuator driving
Circuit is made of large capacity storage capacitor C (divide-shut brake capacitor), H bridge, permanent magnet mechanism magnet exciting coil, and H bridge includes the of upper bridge arm
One switch transistor T1, the first sustained diode1, third switch transistor T3, third sustained diode3With the second switch of lower bridge arm
T2, the second sustained diode2, the 4th switch transistor T4, the 4th sustained diode4, storage capacitor C anode connect with bridge arm on H bridge
It forms interlink point, storage capacitor C cathode altogether to connect to form total interlink point with H bridge lower bridge arm, permanent magnet mechanism magnet exciting coil both ends point
It is not connected across H bridge arm midpoint, Current Transmit string is on storage capacitor C and H bridge in the connecting wire of bridge arm；Current transformer
The connection of the input terminal of CT and controller, the output end and first switch tube T of controller1, second switch T2, third switch transistor T3
With the 4th switch transistor T4Gate pole connection, controller is used to receive the sampled signal and extraneous divide-shut brake order of current transformer,
And pwm signal (control waveform) is issued to first switch tube T1, second switch T2, third switch transistor T3With the 4th switch transistor T4,
Control each switching tube on-off.
Above-mentioned solution unicoil permanent magnetic actuator leads to the controlling party of the circuit topological structure of movement dispersibility because of standby time
Method includes the following steps:
1) when controller receives reclosing command, H bridge first switch tube T1And the 4th switch transistor T4Conducting, electric current flow through road
Diameter presses C+ → T1→Ls→Rs→T4→ C-, by controlling first switch tube T1With the 4th switch transistor T4Conducting dutycycle control encourage
Magnet-wire loop current, as shown in Figure 2；
2) H bridge first switch tube T is turned off before making process terminates1, the 4th switch transistor T4It is still connected, electric current flows through path
By Ls→Rs→T4→D2, the 4th switch transistor T of H bridge is turned off after current attenuation is to zero4, making process terminates, as shown in Figure 3；
3) when controller receives separating brake instruction, H bridge second switch T2And third switch transistor T3Conducting, electric current flow through road
Diameter presses C+ → T3→Rs→Ls→T2→ C-, by controlling second switch T2With third switch transistor T3Conducting dutycycle control encourage
Magnet-wire loop current, as shown in Figure 4；
4) H bridge third switch transistor T is turned off before separating brake process terminates3, second switch T2It is still connected, electric current flows through path
By Rs→Ls→T2→D4, H bridge second switch T is turned off after current attenuation is to zero2, separating brake process terminates, as shown in Figure 5.
Permanent magnet mechanism movement initial current peak value, note feed motion starting are first measured by experiment for unicoil permanent magnetic actuator
Current peak is i0 closes, it is i that separating brake, which acts initial current peak value,0 point, when controller receives feed motion instruction, controller is issued
Pwm signal gives first switch tube T1And the 4th switch transistor T4, first switch tube T1And the 4th switch transistor T4Conducting, and duty is connected
Than being gradually increased by zero, current transformer real-time detection coil current, when coil current peak value reaches 0.8i0 closesImmediately turn off
One switch transistor T1(block first switch tube T1Pwm signal), the 4th switch transistor T is blocked when current attenuation is to zero4PWM letter
Number, turn off the 4th switch transistor T4, pre-magnetizing process terminates, and whole process continues less than 10ms, after the above process
Normal closing operation is carried out, separating brake process is herewith regular.
As shown in fig. 6, Double coil permanent magnetic mechanism driving circuit of the present invention is by large capacity storage capacitor (separating brake or conjunction
Lock capacitor), switch transistor T, sustained diode, permanent magnet mechanism magnet exciting coil (separating brake or closing coil) constitute, storage capacitor C+
Anode connect with sustained diode cathode and permanent magnet mechanism magnet exciting coil one end and to form first node 1., storage capacitor C+ cathode
It connect to form second node 2. with switch transistor T emitter, sustained diode anode and the permanent magnet mechanism magnet exciting coil other end and open
Pipe T collector is closed to connect to form third node 3., Current Transmit string storage capacitor C+ and first node 1. between company
It connects on conducting wire；The connection of the input terminal of Current Transmit and controller, the output end of controller and the gate pole of switch transistor T connect,
Controller is used to receive the sampled signal and extraneous divide-shut brake order of Current Transmit, and issues pwm signal (control waveform)
To switch transistor T, control switch pipe T on-off.
Above-mentioned solution Double coil permanent magnetic mechanism leads to the controlling party of the circuit topological structure of movement dispersibility because of standby time
Method includes the following steps:
1) when controller receives divide-shut brake instruction, switch transistor T conducting, electric current flows through path by C+ → Ls→Rs→T→
C- can control field coil current by control switch pipe T conducting dutycycle, as shown in Figure 7；
2) on-off switching tube T, electric current flow through path by L before combined floodgate or separating brake process terminates→Rs→ D, works as current attenuation
It closes a floodgate after to zero or separating brake process terminates, as shown in Figure 8.
Permanent magnet mechanism origination action current peak is first measured by experiment for Double coil permanent magnetic mechanism, remembers combined floodgate origination action
Current peak is i'0 closes, separating brake origination action current peak is i'0 point, when controller receives feed motion instruction, controller hair
Pwm signal is connected to switch transistor T, switch transistor T out and conducting dutycycle is gradually increased by zero, current transformer real-time detection coil
Electric current, when coil current peak value reaches 0.8i'0 closesThe pwm signal of lockout switch pipe T immediately, on-off switching tube T, pre-magnetizing process
Terminate, whole process continues that normal closing operation can be carried out after the above process, separating brake process is herewith advised less than 10ms
Rule.
Above-mentioned Current Transmit is punching Hall type, and string is realized in storage capacitor electric discharge major loop to permanent magnetic motor
Structure magnet exciting coil discharge current real-time detection.
Obviously, the above embodiment is merely an example for clearly illustrating the present invention, and is not to of the invention
The restriction of embodiment.For those of ordinary skill in the art, it can also be made on the basis of the above description
Its various forms of variation or variation.There is no necessity and possibility to exhaust all the enbodiments.And these belong to this hair
The obvious changes or variations that bright spirit is extended out are still in the protection scope of this invention.
Claims (4)
1. a kind of unicoil permanent magnetic actuator that solves leads to the control method for the circuit topological structure for acting dispersibility because of standby time,
Circuit topological structure includes unicoil permanent magnetic actuator driving circuit, controller and current transformer；The unicoil permanent magnetic actuator
Driving circuit is made of large capacity storage capacitor, H bridge, permanent magnet mechanism magnet exciting coil, H bridge include upper bridge arm first switch tube,
First freewheeling diode, third switching tube, the second switch of third freewheeling diode and lower bridge arm, the second freewheeling diode,
4th switching tube, the 4th freewheeling diode, positive storage capacitor connect to form total interlink point with bridge arm on H bridge, and storage capacitor is negative
Pole connect to form total interlink point with H bridge lower bridge arm, and permanent magnet mechanism magnet exciting coil both ends are connected across H bridge arm midpoint respectively, and electric current is mutual
Sensor string is on storage capacitor and H bridge in the connecting wire of bridge arm；The connection of the input terminal of the current transformer and controller, control
The output end of device processed is connect with the gate pole of first switch tube, second switch, third switching tube and the 4th switching tube, and controller is used
In the sampled signal for receiving current transformer and extraneous divide-shut brake order, and pwm signal is issued to first switch tube, second switch
Pipe, third switching tube and the 4th switching tube, control each switching tube on-off, which is characterized in that control method includes the following steps:
1) when controller receives reclosing command, H bridge first switch tube and the conducting of the 4th switching tube, electric current flow through path by energy storage
Capacitance cathode, first switch tube, permanent magnet mechanism coil, the 4th switching tube, storage capacitor cathode forming circuit, pass through control first
The conducting dutycycle of switching tube and the 4th switching tube controls field coil current；
2) H bridge first switch tube is turned off before making process terminates, the 4th switching tube is still connected, and electric current flows through path by permanent magnetic motor
Structure coil, the 4th switching tube, the second freewheeling diode forming circuit, turn off the 4th switching tube of H bridge after current attenuation is to zero, close
Lock process terminates；
3) when controller receives separating brake instruction, H bridge second switch and the conducting of third switching tube, electric current flow through path by energy storage
Capacitance cathode, third switching tube, permanent magnet mechanism coil, second switch, storage capacitor cathode forming circuit, pass through control second
The conducting dutycycle of switching tube and third switching tube controls field coil current；
4) H bridge third switching tube is turned off before separating brake process terminates, electric current flows through path by permanent magnet mechanism coil, second switch
Pipe, the 4th freewheeling diode forming circuit, turn off H bridge second switch after current attenuation is to zero, separating brake process terminates；
For unicoil permanent magnetic actuator driving circuit, permanent magnet mechanism movement initial current peak value is first measured by experiment, note is closed a floodgate dynamic
Making initial current peak value is i0 closes, it is i that separating brake, which acts initial current peak value,0 point, when controller receives feed motion instruction, control
Device issues pwm signal to first switch tube and the 4th switching tube, first switch tube T1And the 4th switch transistor T4Conducting, and conducting accounts for
Empty ratio is gradually increased by zero, current transformer real-time detection coil current, when coil current peak value reaches 0.8i0 closesIt immediately turns off
First switch tube blocks the pwm signal of the 4th switching tube when current attenuation is to zero, turns off the 4th switching tube, pre-magnetizing process
Terminate, whole process continues less than 10ms；Separating brake process is herewith regular.
2. the unicoil permanent magnetic actuator according to claim 1 that solves is because standby time leads to the circuit topology of movement dispersibility
The control method of structure, which is characterized in that the current transformer is punching Hall type, and string is in storage capacitor electric discharge major loop
In, it realizes to permanent magnet mechanism magnet exciting coil discharge current real-time detection.
3. a kind of Double coil permanent magnetic mechanism that solves leads to the control method for the circuit topological structure for acting dispersibility because of standby time,
Circuit topological structure includes Double coil permanent magnetic mechanism driving circuit, controller and current transformer；The Double coil permanent magnetic mechanism
Driving circuit is made of large capacity storage capacitor, switching tube, freewheeling diode, permanent magnet mechanism magnet exciting coil, positive storage capacitor
It connect with freewheeling diode cathode and permanent magnet mechanism magnet exciting coil one end and to form first node, storage capacitor cathode and switching tube are sent out
Emitter-base bandgap grading connects to form second node, and freewheeling diode anode is connect with the permanent magnet mechanism magnet exciting coil other end and switch pipe collector
Third node is formed, current transformer string is in the connecting wire between positive storage capacitor and first node；The electric current is mutual
The connection of the input terminal of sensor and controller, the output end of controller and the gate pole of switching tube connect, and controller is for receiving electric current
The sampled signal of mutual inductor and extraneous divide-shut brake order, and pwm waveform is issued to switching tube, which is characterized in that controlling party
Method includes the following steps:
1) when controller receives divide-shut brake instruction, switching tube conducting, electric current flows through path by positive storage capacitor, permanent magnet mechanism
Coil, switching tube, storage capacitor cathode forming circuit, the conducting dutycycle by controlling first switch tube can control excitation wire
Loop current；
2) when combined floodgate or separating brake process terminate preceding on-off switching tube, electric current flows through path by permanent magnet mechanism coil, freewheeling diode
Forming circuit closes a floodgate after current attenuation is to zero or separating brake process terminates；
Permanent magnet mechanism movement initial current peak value is first measured by experiment for Double coil permanent magnetic mechanism, remembers combined floodgate origination action electric current
Peak value is i'0 closes, separating brake origination action current peak is i'0 point, when controller receives feed motion instruction, controller issues PWM
Signal is to switching tube, and switching tube is connected and conducting dutycycle is gradually increased by zero, current transformer real-time detection coil current, when
Coil current peak value reaches 0.8i'0 closesThe pwm signal of lockout switch pipe immediately, on-off switching tube, pre-magnetizing process terminate, entirely
Process continues less than 10ms, and separating brake process is herewith regular.
4. the Double coil permanent magnetic mechanism according to claim 3 that solves is because standby time leads to the circuit topology of movement dispersibility
The control method of structure, which is characterized in that the current transformer is punching Hall type, and string is in storage capacitor electric discharge major loop
In, it realizes to permanent magnet mechanism magnet exciting coil discharge current real-time detection.
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| CN201610512779.4A CN106059289B (en) | 2016-07-01 | 2016-07-01 | A kind of circuit topological structure and control method for solving unicoil or Double coil permanent magnetic mechanism and causing to act dispersibility because of standby time |
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| CN201610512779.4A CN106059289B (en) | 2016-07-01 | 2016-07-01 | A kind of circuit topological structure and control method for solving unicoil or Double coil permanent magnetic mechanism and causing to act dispersibility because of standby time |
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| CN107733306A (en) * | 2017-10-20 | 2018-02-23 | 陕西航空电气有限责任公司 | A kind of generator H bridges excitation unit and method suitable for aviation power system |
| CN111048368A (en) * | 2018-10-11 | 2020-04-21 | 江苏爱斯凯电气有限公司 | Solid-state drive unit and layered drive method of circuit breaker |
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|---|---|---|---|---|
| US6850019B2 (en) * | 2003-06-12 | 2005-02-01 | Mcmillan Electric Company | Single coil, direct current permanent magnet brushless motor with voltage boost |
| CN102737810A (en) * | 2012-07-18 | 2012-10-17 | 常州电子研究所有限公司 | Working method of permanent magnet coil driving circuit |
| CN103956893A (en) * | 2014-03-21 | 2014-07-30 | 国网电力科学研究院武汉南瑞有限责任公司 | Single-coil permanent magnetic mechanism drive circuit and work method thereof |
| CN205753978U (en) * | 2016-07-01 | 2016-11-30 | 国网电力科学研究院武汉南瑞有限责任公司 | A kind of unicoil or Double coil permanent magnetic mechanism of solving is because causing the circuit topological structure of action dispersibility standby time |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6850019B2 (en) * | 2003-06-12 | 2005-02-01 | Mcmillan Electric Company | Single coil, direct current permanent magnet brushless motor with voltage boost |
| CN102737810A (en) * | 2012-07-18 | 2012-10-17 | 常州电子研究所有限公司 | Working method of permanent magnet coil driving circuit |
| CN103956893A (en) * | 2014-03-21 | 2014-07-30 | 国网电力科学研究院武汉南瑞有限责任公司 | Single-coil permanent magnetic mechanism drive circuit and work method thereof |
| CN205753978U (en) * | 2016-07-01 | 2016-11-30 | 国网电力科学研究院武汉南瑞有限责任公司 | A kind of unicoil or Double coil permanent magnetic mechanism of solving is because causing the circuit topological structure of action dispersibility standby time |
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