CN106787969A - Alternating current generator brake gear and its control method - Google Patents
Alternating current generator brake gear and its control method Download PDFInfo
- Publication number
- CN106787969A CN106787969A CN201610719016.7A CN201610719016A CN106787969A CN 106787969 A CN106787969 A CN 106787969A CN 201610719016 A CN201610719016 A CN 201610719016A CN 106787969 A CN106787969 A CN 106787969A
- Authority
- CN
- China
- Prior art keywords
- control module
- circuit
- motor
- brake
- alternating current
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Stopping Of Electric Motors (AREA)
Abstract
The invention provides a kind of alternating current generator brake gear and its control method, the alternating current generator brake gear includes main control module, single-phase controlled rectification Voltage stabilizing module, brake control module, motor start-up and shut-down control module, main control module respectively with the single-phase controlled rectification Voltage stabilizing module, the brake control module, the motor start-up and shut-down control module is connected, the single-phase controlled rectification Voltage stabilizing module is connected with the brake control module, the motor start-up and shut-down control module is connected with the brake control module, the single-phase controlled rectification Voltage stabilizing module includes zero cross detection circuit, and the controllable silicon copped wave rectification circuit being connected with the zero cross detection circuit.The beneficial effects of the invention are as follows：Alternating current generator brake gear of the invention is using the certain braking brake DC voltage/current of monolithic processor controlled thyristor operating angle size, the DC voltage and current of braking brake, and braking time can be accurately controlled, so as to reach safety, it is reliable, accurately braking brake effect.
Description
Technical field
The present invention relates to commercial mixer class or load motor braking brake equipment technical field, more particularly to exchange
Brake device for electrical machinery and its control method.
Background technology
At present, high-power single-phase AC induction motor brake device, industrial practice is mostly using in alternating current generator
The method that portion's insertion brake winding coil changes torque force direction to realize braking after being powered.
The method for being internally embedded the braking of brake winding coil using alternating current generator to realize, it is huge (because inside adds that it stops product
Brake winding coil), electric current is also uncontrollable during braking, motor easily generates heat, and damages motor, and technique, production cost is also higher, stops
Car braking impact is big, and power consumption is more, and effect is also very undesirable, and security cannot also be ensured when motor stops brake.
The content of the invention
The invention provides a kind of alternating current generator brake gear, including main control module, single-phase controlled rectification Voltage stabilizing module,
Brake control module, motor start-up and shut-down control module, the main control module respectively with the single-phase controlled rectification Voltage stabilizing module, institute
State brake control module, the motor start-up and shut-down control module to be connected, the single-phase controlled rectification Voltage stabilizing module and the brake are controlled
Molding block is connected, and the motor start-up and shut-down control module is connected with the brake control module, the single-phase controlled rectification voltage stabilizing mould
Block includes zero cross detection circuit and the controllable silicon copped wave rectification circuit being connected with the zero cross detection circuit.
As a further improvement on the present invention, the brake control module includes brake control circuit and is stopped with described
The connected safeguard protection braking circuit of car control circuit.
As a further improvement on the present invention, the alternating current generator brake gear also includes being connected with the brake control module
Safety protection switch Port detecting circuit.
As a further improvement on the present invention, the motor start-up and shut-down control module include electric motor starting/stopping control circuit,
Startup/brake control circuit, start selection capacitor of motor control circuit, the electric motor starting/stopping control circuit respectively with institute
Startup/brake control circuit, startup selection capacitor of motor control circuit is stated to be connected.
As a further improvement on the present invention, the motor start-up and shut-down control module also includes safeguard protection port circuit, institute
State safeguard protection port circuit to be connected with the electric motor starting/stopping control circuit, the safeguard protection port circuit includes machine
Shell detaching-proof protection switch port, chassis place protection opening port.
As a further improvement on the present invention, the main control module include single-chip microcomputer, the single-chip microcomputer respectively with it is described
Single-phase controlled rectification Voltage stabilizing module, the brake control module, the motor start-up and shut-down control module are connected.
As a further improvement on the present invention, the main control module also includes touch key-press integrated circuit, open/close state
Indicating circuit, the single-chip microcomputer is connected with the touch key-press integrated circuit, the touch key-press integrated circuit and the ON/OFF
Condition indication circuit is connected.
As a further improvement on the present invention, the alternating current generator brake gear also includes power circuit, the power circuit
It is connected with the main control module, single-phase controlled rectification Voltage stabilizing module, motor start-up and shut-down control module respectively.
As a further improvement on the present invention, the power circuit include be sequentially connected 220VAC power supply input circuits,
EMI is anti-interference/capacitor filter, switch power integrated circuit ,+12VDC power supplys ,+5VDC power supplys.
Present invention also offers a kind of control method of alternating current generator brake gear, comprise the following steps：
(1) initialize：Single-chip microcomputer is initialized；
(2) judge whether zero passage detection is normal, if normally, then perform step (3), otherwise motor does not allow operation, so
After continue executing with step (2)；
(3) judge whether to place chassis, if chassis is in place, then perform step (4), otherwise motor does not allow fortune
OK, then proceed to perform step (3)；
(4) determine whether to tear casing open, if not tearing casing open, then step (5) is performed, if tearing casing open, then motor
Operation is not allowed, then proceedes to perform step (4)；
(5) judge whether start button is pressed, if, then step (6) is performed, otherwise motor does not allow operation, then
Continue executing with step (5)；
(6) motor normally runs；
(7) judge whether to place chassis, if, then execution step (8), otherwise motor braking, then perform step
(2)；
(8) determine whether to tear casing open, if not tearing casing open, then step (9) is performed, if tearing casing open, then motor
Braking, then performs step (2)；
(9) judge to shut down whether button is pressed, if, then motor braking, step (2) is then performed, if shutting down button
Do not press, then step (6).
The beneficial effects of the invention are as follows：Alternating current generator brake gear of the invention uses monolithic processor controlled controlled silicon conducting
The certain braking brake DC voltage/current of angle size, can be accurately controlled the DC voltage and current of braking brake, and during brake
Between, reliable so as to reach safety, accurately braking brake effect.
Brief description of the drawings
Fig. 1 is the theory diagram of alternating current generator brake gear of the invention.
Fig. 2 is the circuit diagram of main control module of the invention.
Fig. 3 is the circuit diagram of single-phase controlled rectification Voltage stabilizing module of the invention.
Fig. 4 is the circuit diagram of brake control module of the invention.
Fig. 5 is the circuit diagram of motor start-up and shut-down control module of the invention.
Fig. 6 is the circuit diagram of safety protection switch Port detecting circuit of the invention.
Fig. 7 is the circuit diagram of power circuit of the invention.
Fig. 8 is control method flow chart of the invention.
Specific embodiment
It is as shown in figure 1, the invention discloses a kind of alternating current generator brake gear including main control module 10, single-phase controllable
Rectifying and voltage-stabilizing module 20, brake control module 30, motor start-up and shut-down control module 40, the main control module 10 respectively with the list
The phase controlled rectification Voltage stabilizing module 20, brake control module 30, the motor start-up and shut-down control module 40 be connected, it is described it is single-phase can
Control rectifying and voltage-stabilizing module 20 is connected with the brake control module 30, and the motor start-up and shut-down control module 40 and the brake are controlled
Module 30 be connected, the single-phase controlled rectification Voltage stabilizing module 20 include zero cross detection circuit 21 and with the zero passage detection electricity
The connected controllable silicon copped wave rectification circuit 22 in road 21.
The brake control module 30 includes brake control circuit 31 and the peace being connected with the brake control circuit 31
Full guard braking circuit 32.
The alternating current generator brake gear also includes the safety protection switch port inspection being connected with the brake control module 30
Slowdown monitoring circuit 50.
The motor start-up and shut-down control module 40 includes electric motor starting/stopping control circuit 41, startup/brake control circuit
42nd, start selection capacitor of motor control circuit 43, the electric motor starting/stopping control circuit 41 respectively with the startup/braking
Control circuit 42, the selection capacitor of motor control circuit 43 that starts are connected.
The motor start-up and shut-down control module 40 also includes safeguard protection port circuit 44, the safeguard protection port circuit 44
It is connected with the electric motor starting/stopping control circuit 41, the safeguard protection port circuit 44 is switched including casing detaching-proof protection
Place protection opening port 442 in port 441, chassis.
Electric motor starting/stopping control circuit 41 is connected with motor 70, and motor 70 is exactly alternating current generator.
The main control module 10 include single-chip microcomputer 11, the single-chip microcomputer 11 respectively with the single-phase controlled rectification voltage stabilizing mould
Block 20, the brake control module 30, the motor start-up and shut-down control module 40 are connected.
The main control module 10 also includes touch key-press integrated circuit 12, open/close state indicating circuit 13, the monolithic
Machine 11 is connected with the touch key-press integrated circuit 12, and the touch key-press integrated circuit 12 indicates electricity with the open/close state
Road 13 is connected.
The alternating current generator brake gear also include power circuit 60, the power circuit 60 respectively with the main control module
10th, single-phase controlled rectification Voltage stabilizing module 20, motor start-up and shut-down control module 40 are connected.
The power circuit 60 include the 220VAC power supply input circuits 61, EMI that are sequentially connected it is anti-interference/capacitor filtering electricity
Road 62, switch power integrated circuit 63 ,+12VDC power supplys 64 ,+5VDC power supplys 65.
Main control module 10：For controlling to start/stop/brake work(by 12/ single-chip microcomputer of touch key-press integrated circuit 11
Can state.
Single-phase controlled rectification Voltage stabilizing module 20：By controllable silicon chopping depressuring rectification, there is provided the system of a certain size stabilization
Dynamic brake DC voltage.
Brake control module 30：Circuit is turned on/off by the control relay of single-chip microcomputer 11, braking brake direct current is cut
Pressure, this circuit still can safeguard protection incision brake direct current comprising the state of emergency (or under software control braking brake failure state)
Voltage, carries out braking brake.
Motor start-up and shut-down control module 40：Controlled motor starts/stops.
Safety protection switch Port detecting circuit 50：Braking safe guard mode is controlled by single-chip microcomputer 11.
Power circuit 60：For other circuit parts provide power supply.
The present invention is to change the method for thyristor operating angle by controllable silicon chopping depressuring rectification circuit operation principle to control
Motor braking processed brakes the size of DC voltage/current, the certain system of the thyristor operating angle size controlled by single-chip microcomputer 11
Dynamic brake DC voltage/current, leads to DC voltage, i.e., in motor stator using alternating current generator stator main winding in itself
A stationary magnetic field is produced, after motor shuts down, due to effect of inertia, motor-spin-coil (or sliver) is in stationary magnetic field
In, cutting magnetic line produces induced-current, is acted on by electromagnetic force, the direction that the torque that this power is produced rotates with rotor
Conversely, the braking moment for producing forces rotor speed to decline, when rotor speed is down to 0, rotor no longer cutting magnetic field, motor stops
Turn, so as to reach braking brake purpose.
In the present invention, the skidding effect time that can be needed by software correction user equipment.
As shown in figure 8, the invention also discloses a kind of control method of alternating current generator brake gear, comprising the following steps：
(1) initialize：Single-chip microcomputer is initialized；In step (1), single-chip microcomputer initialization includes：Data buffer
Initialization, timer module initialization, external interrupt module initialization.
(2) judge whether zero passage detection is normal, if normally, then perform step (3), otherwise motor does not allow operation, so
After continue executing with step (2)；In step (2), normal zero cross signal is the necessary condition of controllable silicon copped wave.
(3) judge whether to place chassis, if chassis is in place, then perform step (4), otherwise motor does not allow fortune
OK, then proceed to perform step (3)；In step (3), chassis placed be electric motor starting operation necessary condition.
(4) determine whether to tear casing open, if not tearing casing open, then step (5) is performed, if tearing casing open, then motor
Operation is not allowed, then proceedes to perform step (4)；In order to this product is using safety, hardware tears casing protection circuit, software open
There is judging treatmenting module, it is ensured that user is described in step (4) using safety, if detect not tearing casing open, it is allowed to system
Startup optimization, otherwise, does not allow operation.
(5) judge whether start button is pressed, if, then step (6) is performed, otherwise motor does not allow operation, then
Continue executing with step (5)；When all conditions above meets, single-chip microcomputer detects start button when pressing, Single-chip Controlling motor
Start-up circuit work starts motor, and system brings into operation, and otherwise, does not allow operation.
(6) motor normally runs；When system is normally run, run indicator is bright, and motor normally runs.
(7) judge whether to place chassis, if, then execution step (8), otherwise motor braking, then perform step
(2)；In running, if software or hardware detection take away (or dropping) to chassis, braking circuit is controlled to be stopped immediately
Car is acted, and is waited after the completion of shutdown and is again started up, otherwise, normal operation.
(8) determine whether to tear casing open, if not tearing casing open, then step (9) is performed, if tearing casing open, then motor
Braking, then performs step (2)；In order to this product is using safety, hardware tears casing protection circuit open, and software also has judgement to process
Module, it is ensured that user using safety, in running, if software or hardware detection are to casing is being torn open, brake by control immediately
Circuit carries out brake, is waited after the completion of shutdown and is again started up, otherwise, normal operation.
(9) judge to shut down whether button is pressed, if, then motor braking, step (2) is then performed, if shutting down button
Do not press, then step (6)；In running, if single-chip microcomputer detects shutdown button when pressing, control brake immediately
Circuit carries out brake, otherwise, normal operation.
In the control method of the alternating current generator brake gear, during motor braking, during system-down is waited, run indicator
Go out, motor is out of service.
Alternating current generator brake gear of the invention is using the certain braking of the thyristor operating angle size of the control of single-chip microcomputer 11
Brake DC voltage/current, can be accurately controlled the DC voltage and current of braking brake, and braking time, so as to reach safety,
It is reliable, accurately braking brake effect.Avoid completely industrial practice using alternating current generator be internally embedded brake winding coil lead to
The method for changing torque force direction after electricity to realize braking, improves the reliability and security of equipment braking brake, and control
Circuit footprint is also small, and production cost is relatively low, is easy to production with processing；Additionally, due to single-chip microcomputer 11 to controllable silicon copped wave electricity
The control of road voltage and braking circuit braking time, and can by software at any time corrective need be accurately controlled braking
The DC voltage and current sizes values of brake, and braking time, reliable so as to reach safety, accurately braking brake effect.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to assert
Specific implementation of the invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of not departing from present inventive concept, some simple deduction or replace can also be made, should be all considered as belonging to of the invention
Protection domain.
Claims (10)
1. a kind of alternating current generator brake gear, it is characterised in that：Including main control module, single-phase controlled rectification Voltage stabilizing module, stop
Car control module, motor start-up and shut-down control module, the main control module respectively with the single-phase controlled rectification Voltage stabilizing module, described
Brake control module, the motor start-up and shut-down control module are connected, and the single-phase controlled rectification Voltage stabilizing module and the brake are controlled
Module is connected, and the motor start-up and shut-down control module is connected with the brake control module, the single-phase controlled rectification Voltage stabilizing module
The controllable silicon copped wave rectification circuit being connected including zero cross detection circuit and with the zero cross detection circuit.
2. alternating current generator brake gear according to claim 1, it is characterised in that：The brake control module includes brake
Control circuit and the safeguard protection braking circuit being connected with the brake control circuit.
3. alternating current generator brake gear according to claim 1, it is characterised in that：The alternating current generator brake gear also includes
The safety protection switch Port detecting circuit being connected with the brake control module.
4. alternating current generator brake gear according to claim 1, it is characterised in that：The motor start-up and shut-down control module includes
Electric motor starting/stopping control circuit, startup/brake control circuit, startup selection capacitor of motor control circuit, the motor are opened
Dynamic/stopping control circuit is connected with the startup/brake control circuit, startup selection capacitor of motor control circuit respectively.
5. alternating current generator brake gear according to claim 4, it is characterised in that：The motor start-up and shut-down control module is also wrapped
Safeguard protection port circuit is included, the safeguard protection port circuit is connected with the electric motor starting/stopping control circuit, the peace
Full guard port circuit includes that casing detaching-proof protection switch port, chassis place protection opening port.
6. alternating current generator brake gear according to claim 1, it is characterised in that：The main control module includes monolithic
Machine, the single-chip microcomputer respectively with the single-phase controlled rectification Voltage stabilizing module, the brake control module, the motor start-up and shut-down control
Module is connected.
7. alternating current generator brake gear according to claim 6, it is characterised in that：The main control module also includes touching
Button integrated circuit, open/close state indicating circuit, the single-chip microcomputer are connected with the touch key-press integrated circuit, the touch
Button integrated circuit is connected with the open/close state indicating circuit.
8. the alternating current generator brake gear according to any one of claim 1 to 7, it is characterised in that：The alternating current generator brakes
Device also include power circuit, the power circuit respectively with the main control module, single-phase controlled rectification Voltage stabilizing module, motor
Start-up and shut-down control module is connected.
9. alternating current generator brake gear according to claim 8, it is characterised in that：The power circuit includes being sequentially connected
220VAC power supply input circuits, EMI it is anti-interference/capacitor filter, switch power integrated circuit ,+12VDC power supplys ,+5VDC
Power supply.
10. a kind of control method of alternating current generator brake gear, it is characterised in that comprise the following steps：
(1) initialize：Single-chip microcomputer is initialized；
(2) judge whether zero passage detection is normal, if normally, then perform step (3), otherwise motor does not allow operation, Ran Houji
It is continuous to perform step (2)；
(3) judge whether to place chassis, if chassis is in place, then perform step (4), otherwise motor does not allow operation, so
After continue executing with step (3)；
(4) determine whether to tear casing open, if not tearing casing open, then step (5) is performed, if tearing casing open, then motor is not permitted
Perhaps run, then proceed to perform step (4)；
(5) judge whether start button is pressed, if, then step (6) is performed, otherwise motor does not allow operation, then proceedes to
Perform step (5)；
(6) motor normally runs；
(7) judge whether to place chassis, if, then perform step (8), otherwise motor braking, then execution step (2)；
(8) determine whether to tear casing open, if not tearing casing open, then perform step (9), if tearing casing open, then motor braking,
Then step (2) is performed；
(9) judge to shut down whether button is pressed, if, then motor braking, step (2) is then performed, if shut down button not having
Press, then step (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610719016.7A CN106787969A (en) | 2016-08-25 | 2016-08-25 | Alternating current generator brake gear and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610719016.7A CN106787969A (en) | 2016-08-25 | 2016-08-25 | Alternating current generator brake gear and its control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106787969A true CN106787969A (en) | 2017-05-31 |
Family
ID=58972096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610719016.7A Pending CN106787969A (en) | 2016-08-25 | 2016-08-25 | Alternating current generator brake gear and its control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106787969A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2596666Y (en) * | 2002-12-30 | 2003-12-31 | 沈阳东宇工业技术研究院（有限公司） | Electronic braker for ac motor |
| CN201320496Y (en) * | 2008-11-13 | 2009-10-07 | 湖北华中药业有限公司 | A protection device of centrifugal machine chassis |
| CN202435325U (en) * | 2011-10-18 | 2012-09-12 | 美的集团有限公司 | Braking circuit of food processor |
| CN202940760U (en) * | 2012-10-31 | 2013-05-15 | 雷通科技发展有限公司 | Motor control device |
-
2016
- 2016-08-25 CN CN201610719016.7A patent/CN106787969A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2596666Y (en) * | 2002-12-30 | 2003-12-31 | 沈阳东宇工业技术研究院（有限公司） | Electronic braker for ac motor |
| CN201320496Y (en) * | 2008-11-13 | 2009-10-07 | 湖北华中药业有限公司 | A protection device of centrifugal machine chassis |
| CN202435325U (en) * | 2011-10-18 | 2012-09-12 | 美的集团有限公司 | Braking circuit of food processor |
| CN202940760U (en) * | 2012-10-31 | 2013-05-15 | 雷通科技发展有限公司 | Motor control device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103262408B (en) | Power conversion device | |
| CN105689160B (en) | A kind of closing method and device for magnetic suspension centrifuge | |
| CN110045281A (en) | A kind of magneto stall operating condition processing method of electric car | |
| TWI641759B (en) | Vacuum pump and operating method of the vacuum pump | |
| CN103595037B (en) | Three-phase alternating current phase sequence error correction device | |
| CN105322843A (en) | Start-against-wind system for integrated variable-frequency motor and working method of start-against-wind system | |
| CN103155397B (en) | Control device of electric motor | |
| CN102991374B (en) | A kind of passive rectification protection system of electric vehicle motor controller | |
| CN106787969A (en) | Alternating current generator brake gear and its control method | |
| CN201966784U (en) | Intelligent transducer specially used for spinning | |
| CN108361185A (en) | A kind of the startup control method and startup control system of air compressor machine | |
| CN208257695U (en) | A kind of starting control system of air compressor machine | |
| JP2007318955A (en) | Driving method and driving controller of electric motor | |
| CN102801254A (en) | Energy-saving motor for hydraulic pump drive | |
| CN205084893U (en) | Arresting gear of spiral shell centrifugal separator for sleeping in | |
| CN105014455B (en) | A kind of tool changing device for reducing stroke | |
| CN213717865U (en) | Grinding machine with electronic braking function | |
| JP2000272874A (en) | Torque monitoring method of inverter-controlled motor in crane | |
| JP5835692B2 (en) | Vehicle drive control device | |
| CN204967677U (en) | PMSM power steady voltage protection control system | |
| CN206293876U (en) | A kind of blower fan power supply circuit | |
| CN216224873U (en) | Safety interlocking device for water-driving centrifugal machine | |
| CN104632599B (en) | Vacuum pump and its method of operation | |
| CN203156457U (en) | Novel belt transmission device | |
| JP7498997B1 (en) | Crushing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |