CN105529968B - A kind of main motor and power off synchronous control system and its synchronisation control means from motor - Google Patents
A kind of main motor and power off synchronous control system and its synchronisation control means from motor Download PDFInfo
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- CN105529968B CN105529968B CN201610012820.1A CN201610012820A CN105529968B CN 105529968 B CN105529968 B CN 105529968B CN 201610012820 A CN201610012820 A CN 201610012820A CN 105529968 B CN105529968 B CN 105529968B
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- motor
- frequency converter
- primary transducer
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/24—Arrangements for stopping
Abstract
Synchronous control system is powered off the invention discloses a kind of main motor and from motor, including the primary transducer that is connected with control device and from frequency converter, primary transducer, be connected from frequency converter with three-phase mains, primary transducer is connected with main motor, from frequency converter with from motor connection；Main motor and main encoder is respectively arranged with from motor and from encoder, the motion controller for synchronization is integrated with from frequency converter, main encoder and from encoder corresponding with motion controller input connection respectively, primary transducer and control circuit energization pins are provided with from frequency converter, primary transducer and it is all connected with ups power from the control circuit energization pins on frequency converter, the dc bus in primary transducer is in parallel with the dc bus from frequency converter.Synchronisation control means is there is further disclosed herein, the control system and control method can make to follow main motor synchronously to shut down from motor under powering-off state, avoid dislocation from making damage of product, avoid causing damage to equipment using mechanical brake.
Description
Technical field
The present invention relates to a kind of control system and control method, for controlling the main motor of beer wine filling machine and existing from motor
Run simultaneously during power-off.
Background technology
Beer filler is mainly made up of wine machine and capping machine, and does not have machine driving company between wine machine and capping machine
Connect, driven by respective motor, wine machine is run as main frame, capping machine as slave, subordinate motors track main frame, and will be any
In the case of keep synchronous.Wine machine drives main motor by primary transducer, and capping machine is by from transducer drive from motor, main frame frequency converter
Using using Danfoss FC302.Slave frequency converter uses FC302, and is furnished with motion controller (sync card) MCO350.The master
Motor and main encoder is respectively arranged with from motor and from encoder, the main encoder and from encoder respectively with motion control
The connection of corresponding input, is controlled from motor from frequency converter according to the signal of main encoder on device processed, realize main motor and from
The synchronization of motor.Under normal circumstances, main motor and synchronization can be realized from motor.But powered off suddenly when in equipment operation, main,
Become inertia after frequency converter power-off to shut down, cause main motor and misplaced from motor, for quick shutdown after powering off, also using machine
Tool is braked, and skidding motor of being pulled up a horse after power-off, this method step-out magnitude of misalignment is reduced, but serious to mechanical damage.
The content of the invention
The technical problems to be solved by the invention are：A kind of main motor is provided and powers off synchronous control system from motor, should
Control system can make to follow main motor synchronously to shut down from motor under powering-off state, avoid dislocation from making damage of product, also avoid
Equipment is caused damage using mechanical brake.
Another technical problem to be solved by this invention is：A kind of main motor is provided and powers off Synchronization Control side from motor
Method, the control method can make to follow main motor synchronously to shut down from motor under powering-off state, avoid dislocation from making damage of product,
Avoid causing damage to equipment using mechanical brake.
In order to solve the above technical problems, the technical scheme is that：A kind of main motor and from motor power off Synchronization Control
System, including the primary transducer that is connected with control device and from frequency converter, the inverter supply pin of the primary transducer and three
Phase city is electrically connected, and the motor energization pins in the primary transducer are connected with main motor, the inverter supply from frequency converter
Pin is connected with three-phase mains, the motor energization pins from frequency converter with from motor connection；The main motor and from electricity
Main encoder is respectively arranged with machine and from encoder, it is described to be integrated with from frequency converter for synchronous motion controller, institute
State main encoder and from encoder corresponding with motion controller input connection respectively, the primary transducer and from frequency converter
On be provided with control circuit energization pins, primary transducer and be all connected with UPS electricity from the control circuit energization pins on frequency converter
Source, the dc bus in the primary transducer are in parallel with the dc bus from frequency converter.
As a kind of preferable scheme, the primary transducer and be provided with from frequency converter dc bus positive terminal and
Dc bus negative terminal, the dc bus positive terminal in the primary transducer and the dc bus positive terminal from frequency converter
Between connected by positive DC wiring, the dc bus negative terminal in the primary transducer and dc bus from frequency converter
Connected between negative terminal by negative DC wiring, electric capacity is connected between the positive DC wiring and negative DC wiring
Accumulator.
As a kind of preferable scheme, the capacitor energy storage circuit includes four electric capacity, a current-limiting resistance and two partial pressures electricity
Resistance, connect to form capacitance group again after four electric capacity are in parallel two-by-two, the current-limiting resistance is connected again with capacitance group, and capacitance group is just
Pole is connected to positive DC wiring, and the negative pole of capacitance group is connected to negative DC wiring, and described two divider resistances difference are one by one
It is correspondingly connected to the both ends of the electric capacity after parallel connection.
After employing above-mentioned technical proposal, effect of the invention is：It is all provided with due to the primary transducer and from frequency converter
It is equipped with control circuit energization pins, primary transducer and is all connected with ups power from the control circuit energization pins on frequency converter, it is described
Dc bus in primary transducer is in parallel with the dc bus from frequency converter, and therefore, when power is off, ups power is primary transducer
With the control circuit continued power from frequency converter, make the control circuit normal work of principal and subordinate's frequency converter, and main motor because inertia after
Reforwarding row, caused regeneration energy is back to primary transducer in moderating process, and then the regeneration energy is transformed into by primary transducer
Passed to after direct current by dc bus from frequency converter, receive the inertial current from frequency converter becomes exchange biography after inversion
Pass from motor, make to run simultaneously from motor from the motion controller on frequency converter according to the operation conditions of main motor, so
When being achieved that power-off main motor and from motor synchronously shut down, avoid dislocation from making damage of product, also avoid using mechanical brake pair
Equipment causes damage.Operationally, it is not necessary to after a power-off, manually adjust synchronization again.After re-powering, it can be kept powered on
Preceding state continues to produce, the continuity of the product of guarantee, increases production efficiency of equipment.
Dc bus positive terminal and dc bus negative pole are provided with due to the primary transducer and from frequency converter again
Terminal, dc bus positive terminal in the primary transducer and passes through positive pole between the dc bus positive terminal of frequency converter
Direct current wiring connects, dc bus negative terminal in the primary transducer and between the dc bus negative terminal of frequency converter
Connected by negative DC wiring, capacitor energy storage circuit is connected between the positive DC wiring and negative DC wiring, should
Capacitor energy storage circuit can main motor be also introduced into inertia generate electricity when, for from motor track operation energy, make main motor and from
Motor still keeps synchronous.
To solve another above-mentioned technical problem, the technical scheme is that：A kind of main motor and same from motor power-off
Control method is walked, the control method is using primary transducer control main motor, using from Frequency Converter Control from motor, by primary transducer
Dc bus it is in parallel with the dc bus from frequency converter, primary transducer and external control power supply is all connected with from frequency converter, from change
It is provided with motion controller on frequency device, main encoder on main motor and connects motion control respectively from encoder from motor
The corresponding input of device, when extraneous power-off suddenly, external control power supply persistently gives primary transducer and the control electricity from frequency converter
Road power, main motor due to inertia still run, main motor in moderating process it is caused regeneration energy through the straight of primary transducer
Stream bus passes to the dc bus from frequency converter, then by being transformed into exchange electric drive from motor from the inversion module of frequency converter
Rotation, the signal of main encoder detection is read as pursuit gain from frequency converter and reads the signal from encoder detection as anti-
Feedback signal carrys out closed-loop control from motor.
Wherein preferable, the dc bus in primary transducer on the dc bus from frequency converter with increasing electric capacity, normal work
Electric capacity stores electric energy when making, main motor when being introduced into inertia generating state when extraneous power-off suddenly, electric capacity electric discharge confession
To from frequency converter and primary transducer, the controlling electric energy supplied from frequency converter using electric capacity follows main motor to run simultaneously from motor.
After employing above-mentioned technical proposal, effect of the invention is：The control method can make under powering-off state from electricity
Machine follows main motor synchronously to shut down, and avoids dislocation from making damage of product, also avoids causing damage to equipment using mechanical brake.Grasping
In terms of work, it is not necessary to after a power-off, manually adjust synchronization again.After re-powering, the state before being kept powered on continues to produce,
The continuity of the product of guarantee, increase production efficiency of equipment.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of the primary transducer of the embodiment of the present invention；
Fig. 2 is the partial circuit line schematic diagram from frequency converter of the embodiment of the present invention；
Fig. 3 is the circuit connection schematic diagram of the motion controller from frequency converter of the embodiment of the present invention；
In accompanying drawing：1. inverter supply pin；2. primary transducer；3. motor energization pins；4. main motor；5. main coding
Device；6. dc bus positive terminal；7. dc bus negative terminal；8. negative DC wiring；9. positive DC wiring；10. electricity
Hold accumulator；11. synchronous reset pin；The positive pin 12. control circuit is powered；13. the negative pin of control circuit power supply；14. electricity
Hold；15. divider resistance；16. divider resistance；17. current-limiting resistance；18. from frequency converter；19. braking resistor；20. from motor；21.
From encoder；22. motion controller；221. from synchronous input end；222. main synchronous input ends.
Embodiment
Below by specific embodiment, the present invention is described in further detail.
As shown in Figure 1, 2, 3, a kind of main motor 4 and synchronous control system is powered off from motor 20, including connected with control device
The primary transducer 2 that connects and from frequency converter 18, the control device use PLC, primary transducer 2 and pass through between frequency converter 18
ProfiNet or ProfiBus communications, transmitting-receiving instruction is handled by bus.
The inverter supply pin 1 of the primary transducer 2 is connected with three-phase mains, and the motor in the primary transducer 2 supplies
Electric pin 3 is connected with main motor 4, described to be connected from the inverter supply pin 1 of frequency converter 18 with three-phase mains, described from frequency conversion
Motor energization pins 3 on device 18 are connected with from motor 20；The inverter supply pin 1 of the primary transducer 2 and from frequency converter
18 inverter supply pin 1 connects the same uniformity for being spaced apart control general supply, keeping power supply.The main motor 4 and from
Main encoder 5 is respectively arranged with motor 20 and from encoder 21, the main encoder 5 and is respectively arranged in main electricity from encoder 21
Machine 4 and the position for being used for detecting the output shaft of motor from motor 20.
It is described to be integrated with motion controller 22 (sync card) from frequency converter 18, the main encoder 5 and from encoder 21
Input connection corresponding with motion controller 22 respectively, as shown in figure 3, being provided with from encoder 21 from synchronous input end
221 and main synchronous input end 222, it is connected from encoder 21 with from synchronous input end 221, main encoder 5 and main synchronous input end
222 connections, the primary transducer 2 and are provided with control circuit energization pins from frequency converter 18, primary transducer 2 and from frequency conversion
Control circuit energization pins on device 18 are all connected with ups power, as shown in figure 1, ups power is 24V dc source, control electricity
Road energization pins are divided into the positive pin 13 of control circuit power supply and the negative pin 12 of control circuit power supply, positive and negative with ups power respectively
Pole connect, under normal electric power thus supplied, primary transducer 2 and from frequency converter 18 three-phase electricity is converted into DC current when a part
In supply control circuit, and when power is off, powered using ups power.
Dc bus in the primary transducer 2 is in parallel with the dc bus from frequency converter 18.The primary transducer 2 and from
It is provided with dc bus positive terminal 6 and dc bus negative terminal 7 on frequency converter 18, the direct current in the primary transducer 2
Bus positive terminal 6 and connected between the dc bus positive terminal 6 of frequency converter 18 by positive DC wiring 9, the master
Dc bus negative terminal 7 on frequency converter 2 and connect between the dc bus negative terminal 7 of frequency converter 18 by negative DC
Line 8 is connected, and capacitor energy storage circuit 10 is connected between the positive DC wiring 9 and negative DC wiring 8.
As shown in figure 1, the capacitor energy storage circuit 10 includes four electric capacity 14C1, C2, C3 and C4, a current-limiting resistance 17
(R3) connect to form 14 groups of electric capacity, electric capacity again after and two divider resistances (R4, R5) 16,15, four electric capacity 14 are in parallel two-by-two
14C1 and C2 is in parallel, and electric capacity 14C3 and C4 parallel connection is serially connected again, and the current-limiting resistance 17 (R3) is connected for 14 groups again with electric capacity, electricity
Hold 14 groups of positive pole and be connected to positive DC wiring 9, the negative pole that 14 groups of electric capacity is connected to negative DC wiring 8, described two points
Piezoresistance 16,15 (R4, R5) connects one to one the both ends of the electric capacity after parallel connection 14 respectively, and wherein R4 is connected in parallel on electric capacity 14C1
With C2 both ends, R5 is connected in parallel on electric capacity 14C3 and C4 both ends, electric capacity 14C1, C2, C3 and C4 specification 2200uF/450V, and two
Equivalent to 2200uF/900V electric capacity 141 after the series connection of parallel connection two.
From 18 synchronous Protection Counter Functions of frequency converter, be provided with it is synchronous reset pin 11, in debugging, main motor 4 and from
After the synchronization of motor 20, can press the synchronous pin 11 that resets can be from the position as original position, while primary transducer 2 and from change
Braking resistor 19 is provided with frequency device 18, when the overtension of dc bus, such as more than 800V when, utilize the braking resistor 19
Electric discharge.
Other the present embodiment also discloses a kind of main motor 4 and powers off synchronisation control means, the control method from motor 20
Using primary transducer 2 control main motor 4, controlled using from frequency converter 18 from motor 20, by the dc bus of primary transducer 2 with from
The dc bus of frequency converter 18 is in parallel, primary transducer 2 and is all connected with external control power supply from frequency converter 18, is set from frequency converter 18
It is equipped with motion controller 22, main encoder 5 on main motor 4 and connects motion control respectively from encoder 21 from motor 20
The corresponding input of device 22, when extraneous power-off suddenly, external control power supply persistently gives primary transducer 2 and the control from frequency converter 18
Circuit power supply processed, for main motor 4 because inertia is still run, main motor 4 can be back to master because of inertial current caused by inertia generating
In frequency converter 2, the dc bus through primary transducer 2 passes to the dc bus from frequency converter 18, then passes through from frequency converter 18
Inversion module be transformed into exchange electric drive rotated from motor 20, from frequency converter 18 read main encoder 5 detect signal be used as with
The signal that track value and reading detect from encoder 21 carrys out closed-loop control from motor 20 as feedback signal.
It is wherein preferable, increase electric capacity 14 in the dc bus of primary transducer 2 and from the dc bus of frequency converter 18, just
Often electric capacity 14 stores electric energy during work, the main motor 4 when being introduced into inertia generating state when extraneous power-off suddenly, electric capacity
14 electric discharge supplies while are also supplied with primary transducer 2 from frequency converter 18, from frequency converter 18 using the controlling electric energy that electric capacity 14 supplies from
Motor 20 follows main motor 4 to run simultaneously.
When DC bus-bar voltage drops to 480V, then it is assumed that be power failure, power failure performs " controlled deceleration ", quickly
Deceleration time 2.5s, slave is still kept in the 2.5s and host synchronization, is steadily shut down in 2.5 seconds.
Embodiment described above is only the description to the preferred embodiment of the present invention, not as the limit to the scope of the invention
It is fixed, the various modifications made on the basis of design spirit of the present invention is not departed to technical solution of the present invention and transformation, it all should fall
In the protection domain for entering claims of the present invention determination.
Claims (2)
1. a kind of main motor and from motor power off synchronisation control means, the control method using primary transducer control main motor, profit
It is with from Frequency Converter Control from motor, the dc bus of primary transducer is in parallel with the dc bus from frequency converter, primary transducer and
Be all connected with external control power supply from frequency converter, be provided with motion controller from frequency converter, main encoder on main motor and from
The corresponding input for connecting motion controller respectively from encoder on motor, when extraneous power-off suddenly, external control power supply
Persistently the control circuit to primary transducer and from frequency converter is powered, and because inertia is still run, main motor was slowing down main motor
Caused regeneration dc bus of the energy through primary transducer passes to the dc bus from frequency converter in journey, then passes through from frequency converter
Inversion module be transformed into exchange electric drive from motor rotate, from frequency converter read main encoder detection signal as pursuit gain
And the signal read from encoder detection carrys out closed-loop control from motor as feedback signal.
2. a kind of main motor as claimed in claim 1 and power off synchronisation control means from motor, it is characterised in that：In main transformer frequency
The dc bus of device and increase electric capacity from the dc bus of frequency converter, electric capacity storage electric energy during normal work, when it is extraneous suddenly
Main motor when being introduced into inertia generating state during power-off, electric capacity electric discharge supply is from frequency converter and primary transducer, from frequency conversion
The controlling electric energy that device is supplied using electric capacity follows main motor to run simultaneously from motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610012820.1A CN105529968B (en) | 2016-01-08 | 2016-01-08 | A kind of main motor and power off synchronous control system and its synchronisation control means from motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610012820.1A CN105529968B (en) | 2016-01-08 | 2016-01-08 | A kind of main motor and power off synchronous control system and its synchronisation control means from motor |
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| Publication Number | Publication Date |
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| CN105529968A CN105529968A (en) | 2016-04-27 |
| CN105529968B true CN105529968B (en) | 2018-03-30 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101277029A (en) * | 2007-03-27 | 2008-10-01 | 宝山钢铁股份有限公司 | Method for maintaining operation of coal supply machine frequency transformer when switching instantly electric power of |
| CN201180145Y (en) * | 2008-04-02 | 2009-01-14 | 深圳市库马克新技术股份有限公司 | Revolving furnace incline movement and oxygen gun hoisting control system |
| CN201444248U (en) * | 2009-03-31 | 2010-04-28 | 沈阳工业大学 | High-pressure switch equipment motor actuating mechanism universal servo control platform device |
| CN104443275A (en) * | 2014-10-09 | 2015-03-25 | 武汉船用机械有限责任公司 | Master-slave control system for automatically tensioning winch mooring rope of anchor moored positioning system |
| CN205304655U (en) * | 2016-01-08 | 2016-06-08 | 南京乐惠轻工装备制造有限公司 | Main motor and follow motor power synchronous control system |
-
2016
- 2016-01-08 CN CN201610012820.1A patent/CN105529968B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101277029A (en) * | 2007-03-27 | 2008-10-01 | 宝山钢铁股份有限公司 | Method for maintaining operation of coal supply machine frequency transformer when switching instantly electric power of |
| CN201180145Y (en) * | 2008-04-02 | 2009-01-14 | 深圳市库马克新技术股份有限公司 | Revolving furnace incline movement and oxygen gun hoisting control system |
| CN201444248U (en) * | 2009-03-31 | 2010-04-28 | 沈阳工业大学 | High-pressure switch equipment motor actuating mechanism universal servo control platform device |
| CN104443275A (en) * | 2014-10-09 | 2015-03-25 | 武汉船用机械有限责任公司 | Master-slave control system for automatically tensioning winch mooring rope of anchor moored positioning system |
| CN205304655U (en) * | 2016-01-08 | 2016-06-08 | 南京乐惠轻工装备制造有限公司 | Main motor and follow motor power synchronous control system |
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| CN105529968A (en) | 2016-04-27 |
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Address after: 211151 Nanjing Le Hui Fenach Packaging Machinery Co., Ltd. No. 641 General Avenue, Jiangning District, Nanjing, Jiangsu Province Patentee after: Nanjing Le Hui Fenach Packaging Machinery Co., Ltd. Address before: 211151 Jiangsu Province Nanjing Jiangning Development Zone No. 641 General South Road Nanjing Lehui Light Industry Equipment Manufacturing Co., Ltd. Patentee before: Nanjing Lehui Light Industry Equipment Manufacturing Co., Ltd. |