CN206088857U - Permanent power flybar of distributed control - Google Patents
Permanent power flybar of distributed control Download PDFInfo
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- CN206088857U CN206088857U CN201621102281.2U CN201621102281U CN206088857U CN 206088857 U CN206088857 U CN 206088857U CN 201621102281 U CN201621102281 U CN 201621102281U CN 206088857 U CN206088857 U CN 206088857U
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Abstract
The utility model provides a permanent power flybar of distributed control, including subcontrol ware, motor and converter, the hoist engine includes spool and reel, the subcontrol ware passes through the converter to be connected with the motor, and the motor is connected with the spool, and it is rotatory to drive the reel through the spool, implements wire rope and receive and releases, the motor adopts the special excitation synchronous motor of interchange or exchanges built -in permanent magnetism synchronous motor, converter adoption work is at 0.5~100Hz's the synchronous machine vector control or the converter of torque control. The advantage does: the utility model discloses in, the modularization controlgear and the hoist engine machine as an organic whole of dispersion, only through power cable, net twine jointing equipment, the use installation is simple, and the equipment increase and decrease is very nimble with the transformation. And adopt speed regulation by constant power can compromise to hang greatly and heavily be applicable to the low -speed operation, and hang the heavy purpose that can reach high -speed operation for a short time, both satisfied theater performance demand, can reduce the power of motor again, reduce theater installation total capacity, save theater investment and power consumption.
Description
Technical field
This utility model belongs to flybar technical field, and in particular to a kind of distributed AC servo system invariable power flybar.
Background technology
Flybar hoist engine is that arenas usage amount is most, most common equipment, lift heavy and fortune of the modern arenas to suspension rod
The requirement more and more higher of scanning frequency degree, therefore, power of motor is also increasing, due to the quantity of arenas suspension rod it is also more and more, its
Installation total capacity is very big, and construction cost and power consumption are very high.
The control of existing suspension rod hoist engine is usually centralized Control, i.e.,：The electric components collection of all suspension rod hoist engines
In in total regulator cubicle.This kind of centralized control system is primarily present following deficiency：When arenas needs to increase and decrease suspension rod equipment, changes electricity
When gas components and parts or electric system transformation, a complete set of regulator cubicle can only be changed, the high cost transformed with arenas construction and arenas with
And the problem for wasting time and energy.
In addition, existing theatrical stage suspension rod hoist engine is generally speed regulation by constant torque, i.e.,：Motor is in normal speed lowering
Speed, from the analysis of arenas service condition, a big lift heavy piece of scenery is simultaneously few in the probability of high-speed cruising, and, increased operation safety
Risk.And a little lift heavy piece of scenery is very high in the probability of high-speed cruising, and, the risk for running safety is less, thus causes very
Big power dissipation.By taking Grand National Theatre theatre motorized winch batten as an example, load 750kg, speed 1.8m/s, motor power (output) is high
Up to 30kw, 61 altogether.According to the statistics of performance practice, suspension rod speed is most to be used in the case of 0.8m/s, side crops industry at most
1.0m/s is used, and is to carry selection according to high speed and height when the selection of motor, the problem brought is that installed capacity is a large amount of
It is idle.Therefore, big lift heavy how is taken into account suitable for low cruise, little lift heavy can reach the purpose of high-speed cruising, both meet arenas
Performance demand, greatly reduces power of motor again, so as to, installation total capacity is substantially reduced, greatly save investment and electricity consumption
Measurer is significant.
Utility model content
For the defect that prior art is present, this utility model provides a kind of distributed AC servo system invariable power flybar, can
Effectively solving the problems referred to above.
The technical solution adopted in the utility model is as follows：
This utility model provides a kind of distributed AC servo system invariable power flybar, including sub-controller, motor and frequency conversion
Device；
Wherein, hoist engine includes spool and reel；The sub-controller is by the converter and the motor connection, institute
State motor to be connected with the spool, rotated by the reel strip movable reel, and then implement steel wire rope folding and unfolding；
The motor is using Special alternating-current excitation synchronous motor or exchange built-in permanent-magnet synchronous motor；The frequency conversion
Device is adopted and is operated in the synchronous motor vector controlled of 0.5～100Hz or the converter of direct torque.
Preferably, the motor is：Fundamental frequency be 25Hz, rated speed be 750RPM, S1 duty, power 7.5KW it is special
With AC excitation synchronous motor or exchange built-in permanent-magnet synchronous motor.
Preferably, the sub-controller is embedded among flybar plant equipment, forms the modularity knot of electromechanical
Structure pattern；Each described sub-controller has point power supply interface and a subnetwork interface；Each sub-controller point
Power supply interface is connected to total power supply interface of control station by power supply service cable；Each sub-controller point
Network interface is connected to the overall network interface of control station by network cable, is consequently formed dcs.
Preferably, the best match restriction also including lift heavy and maximum speed and protection location；The lift heavy and most high speed
The best match restriction of degree includes lift heavy sensor and Programmable Logic Controller with protection location；The outfan of the lift heavy sensor
It is connected with the input of the Programmable Logic Controller；The outfan of the Programmable Logic Controller connects with the control end of the converter
Connect, the hoisting weight for being detected according to lift heavy sensor calculates in real time highest effective speed, and volitional check maximum speed
Operation.
The distributed AC servo system invariable power flybar that this utility model is provided has advantages below：
In this utility model, scattered modular control system is integrated machine with hoist engine, only by power cable, netting twine
Connection equipment, simple using installing, equipment increases and decreases and transforms flexible.And big lift heavy can be taken into account using constant-power speed regulation and be applied to
Low cruise, little lift heavy can reach the purpose of high-speed cruising, both meet arenas performance demand, and power of motor can be reduced again, reduce
Arenas installation total capacity, saves arenas investment and power consumption.
Description of the drawings
The structural representation of the distributed AC servo system invariable power flybar that Fig. 1 is provided for this utility model.
The unit assembly drawing of the invariable power flybar that Fig. 2 is provided for this utility model；
Wherein：
1- risers；2- pressure rollers；3- distributed AC servo system casees；4- steel wire ropes；5- reels；Special frequency conversion/the servomotors of 6-；7- subtracts
Fast machine；8- loop wheel machine mounting seats；9- encoders；10- servomotors；11- brakes；12- stops；13- lift heavy sensors.
Specific embodiment
In order that technical problem, technical scheme and beneficial effect that this utility model is solved become more apparent, below
With reference to drawings and Examples, this utility model is further elaborated.It should be appreciated that described herein be embodied as
Example only to explain this utility model, is not used to limit this utility model.
This utility model is related to be applied to cultural art, video display industry, all kinds of arenas, tourism venue, stadiums, performs in a radio or TV programme
The technical field of the flybar equipment such as room.The distributed AC servo system invariable power flybar that this utility model is provided, it is possible to resolve mesh
The above-mentioned technical problem of front centerized fusion constant torque characteristic flybar.
This utility model main innovation includes：(1) proportioning of optimal permanent torque and invariable power in full speed governing section；(2) exchange
Excitation synchronous motor or exchange built-in permanent-magnet synchronous motor；(3) new distribution type control system；(4) it is operated in 0.5-
The high performance synchronous motor vector controlled/direct torque converter of 100Hz；(5) lift heavy is limited with the best match of maximum speed
With protection etc. part.
With reference to Fig. 1 and Fig. 2, the distributed AC servo system invariable power flybar of this utility model offer, including sub-controller, electricity
Machine and converter；Wherein, hoist engine includes spool and reel；The sub-controller is connected by the converter with the motor
Connect, the motor is connected with the spool, rotated by the reel strip movable reel, and then implement steel wire rope folding and unfolding；The electricity
Machine is using Special alternating-current excitation synchronous motor or exchanges built-in permanent-magnet synchronous motor, specially：Fundamental frequency is 25Hz, specified
Rotating speed is 750RPM, S1 duty, the Special alternating-current excitation synchronous motor of power 7.5KW or the synchronous electricity of exchange built-in type permanent-magnet
Motivation.The converter is adopted and is operated in the synchronous motor vector controlled of 0.5～100Hz or the converter of direct torque.
Sub-controller is embedded among flybar plant equipment, forms the modular construction pattern of electromechanical；Each
The sub-controller has point power supply interface and a subnetwork interface；Point power supply interface of each sub-controller
Total power supply interface of control station is connected to by power supply service cable；The subnetwork interface of each sub-controller passes through
Network cable is connected to the overall network interface of control station, is consequently formed dcs.
With reference to Fig. 1, the dcs of invariable power flybar, including master control system and several are distributed
Control unit；Each described distributed control unit forms all-in-one with a corresponding suspension rod hoist engine；Each described distribution
Formula control unit includes：Panel, converter, frequency conversion motor, encoder, brake, stop, lift heavy sensor, braking
Resistance, point power supply interface and subnetwork interface；The panel is used by frequency conversion motor described in the Frequency Converter Control
In the rotating speed and lifting operation that control the frequency conversion motor；The converter respectively with the encoder, brake, described
The connection of stop, the lift heavy sensor, the braking resistor, described point of power supply interface and the subnetwork interface；
The master control system includes master console, mobile station, total power supply interface and overall network interface；The master console point
It is not connected with total power supply interface and the overall network interface；Total power supply interface by power cable with it is each
Point power supply interface connection of the individual distributed control unit；The overall network interface is by described in network cable and each
The subnetwork interface connection of distributed control unit.
As can be seen here, in this utility model, control system adopts dcs, with traditional centerized fusion system
Unlike system, centralized Control is many motors control equipment to be concentrated in unified switch board；And dcs be by
The control device unit of each suspension rod hoist engine is dispersed in the modular construction of each suspension rod hoist engine integrative installation technology, only passes through
Towering the connecing of power supply service cable and network cable is connected with master console, and control device unit is built-in shape among plant equipment
Into the modular mode of electromechanical.When suspension rod quantity is increased or decreased.Only need to simply release or increase towering connecing and just complete
, it is very convenient quick, the quantity of quick increase and decrease equipment is realized, it is particularly particularly important in transformation.
The optimal permanent torque of distributed AC servo system invariable power flybar is 3/4, i.e., 3/4 in the proportioning of full speed governing section with invariable power
Full speed governing section be constant-power speed regulation, the ratio too reduction of small machine power not substantially, on the too big motor highest frequency of ratio
Rise, high band motor torque declines serious.Therefore, through multiple development test, the optimal permanent torque of its result is with invariable power complete
The proportioning of speed governing section is 3/4, therefore, the 1/4 of speed governing operation scope is permanent torque section (low speed segment), adopt the 3/4 of full speed degree for
Invariable power section (middle and high fast section), the proportioning of 3/4 constant-power speed regulation section reaches first invariable power proportioning for invariable power suspension rod, fully
The excellent properties of invariable power section have been played, the power of motor has been greatly reduced.
At present existing permanent torque suspension rod adopts normal fundamental frequency for the frequency conversion motor of 50Hz, and the perseverance for being operated in below 50Hz turns
Square section, to realize constant-power speed regulation, configures according to 3/4 optimal proportion, and maximum operating frequency reaches 200Hz, 200Hz frequency ranges
Frequency control be currently difficult to realize.
The utility model is reduced to 25Hz, rated speed and is also reduced to 750RPM, S1 duty, power 7.5KW using fundamental frequency
Special alternating-current excitation synchronous motor or exchange built-in permanent-magnet synchronous motor, the speed of service 1/4 is operated in below fundamental frequency, and 3/
4 are operated in more than fundamental frequency, and highest frequency is 100Hz, and maximum speed is 3000RPM.I.e. 1/4 is operated in permanent torque section, 3/4 work
In invariable power section.
Adopt fundamental frequency for 25Hz Special alternating-current excitation synchronous motor or exchange built-in permanent-magnet synchronous motor, reduce
Maximum operating frequency, maximum operating frequency is only 100Hz, can be effectively reduced frequency conversion and debug under the torque of high band
Drop.
Adopt rated speed for 750RPM Special alternating-current excitation synchronous motor or exchange built-in type permanent-magnet it is synchronously electronic
Machine, reduces highest working speed, highest working speed can as little as 3000RPM, conventional reductor can be effectively decreased down to
Optional scope, greatly reduces the cost of high deceleration machine, while noise objective when also reducing high-speed cruising.
Using the Special alternating-current excitation synchronous motor or exchange built-in permanent-magnet synchronous motor of S1 dutys, work as low speed
Longevity of service during big torque, work is made as S1, and when high speed little torque, the working time is short, S3 dutys, the S1 of power 7.5KW
The motor of duty is when S3 dutys are operated in, and power of motor is ingenious and efficiently solve high frequency power not up to 11KW
A difficult problem for foot.
The Motor drive of control system adopts converter (UF), and converter is the core of invariable power suspension rod hoist engine control system
Heart equipment, converter must be the high-performance transducer of synchronous motor vector controlled or direct torque, and converter must have motor
The enhanced feature of driving force when being operated in high frequency, to adapt to the load driving force that motor is operated in 0.5-100Hz.Control
System selects 11KW converters, with the ability of correspondence motor high current output in S3 dutys.
Control system is effective, convenient use, and the best match of speed and lift heavy is must assure that in use, and system is adopted and hung
Sensor real-time detection hoisting weight is retransmitted, and it is effective to calculate highest in real time according to hoisting weight by Programmable Logic Controller (PLC)
The operation of speed and volitional check maximum speed, to guarantee effectiveness and the safety of constant output characteristic.
Distributed AC servo system invariable power flybar calculating parameter：
1st, drum diameter；320mm
Calculated diameter：318.47mm 1m/ is often enclosed
2nd, deceleration machine speed ratio：1:31.2 reductor highest input speeds：3000RPM
3rd, Rated motor rotating speed：750RPM
5th, electric moter voltage：380V
6th, rated frequency：25Hz
7th, number of pole-pairs：4 poles
8th, overall efficiency：80%
9th, duty：S1
10th, base speed (25Hz, 750RPM) and below be speed regulation by constant torque
More than base speed (25Hz, 750RPM) it is constant-power speed regulation, maximum speed is 1.6m/s.
Calculating speed/lift heavy table
| Sequence number | Speed m/s | Lift heavy Kg | Operating frequency Hz | Rotating speed RPM | Remarks |
| 1 | 0.4m/s | 1500KG | 25.0Hz | 750 | |
| 2 | 0.5m/s | 1200KG | 31.3Hz | 936 | |
| 3 | 0.6m/s | 1000KG | 37.4Hz | 1123 | |
| 4 | 0.7m/s | 857KG | 43.7Hz | 1310 | |
| 5 | 0.8m/s | 750KG | 50.0Hz | 1498 | |
| 6 | 0.9m/s | 666KG | 56.2Hz | 1685 | |
| 7 | 1.0m/s | 600KG | 62.4Hz | 1872 | |
| 8 | 1.1m/s | 545KG | 68.6Hz | 2059 | |
| 9 | 1.2m/s | 500KG | 74.9Hz | 2246 | |
| 10 | 1.3m/s | 460KG | 81.1Hz | 2434 | |
| 11 | 1.4m/s | 500KG | 87.4Hz | 2621 | |
| 12 | 1.5m/s | 400KG | 93.6Hz | 2808 | |
| 13 | 1.6m/s | 375KG | 99.8Hz | 2995 |
This utility model is the utility model stage Special suspender product using the research and development of motor constant output characteristic, including optimal
The proportioning of permanent torque and invariable power in full speed governing section；Special alternating-current excitation synchronous motor or exchange built-in type permanent-magnet are synchronously electronic
Machine；New distribution type control system；It is operated in the high performance synchronous motor vector controlled/direct torque converter of 0.5-100Hz
Employing；The part such as the best match restriction of lift heavy and maximum speed and protection.
1) using dcs from unlike traditional Centralized Control System, centralized Control is control system
Many motors control equipment is concentrated in unified switch board, dcs is by the control device of each suspension rod hoist engine
It is dispersed on each suspension rod hoist engine and installs, control device is built-in among plant equipment forming the modularity knot of electromechanical
Structure pattern.The advantage of modular construction is only to be connected with control station afterwards by towering the connecing of power supply service cable and network cable
Whole control system is constituted, when suspension rod quantity is increased or decreased, only need to simply be released or be increased and towering connects the system that just complete
Reconfigure, it is very convenient quick, realize the quantity of quick increase and decrease equipment, the advantage particularly in transformation project is particularly
It is prominent.
2) proportioning of optimal permanent torque and the full speed governing section of invariable power, 1/4 low speed segment of the speed governing operation scope adopts 3/4
The constant-power speed regulation of full velocity shooting reaches first invariable power proportioning for invariable power suspension rod, has given full play to the superiority of invariable power section
Can, greatly reduce the power of motor.
3) Special alternating-current excitation synchronous motor or exchange built-in permanent-magnet synchronous motor, described utility model is adopted
Fundamental frequency is 25Hz, rated speed is 750RPM, S1 duty, the Special alternating-current excitation synchronous motor of power 7.5KW or exchange
Built-in permanent-magnet synchronous motor, it is described adopt fundamental frequency for 25Hz Special alternating-current excitation synchronous motor or exchange it is built-in forever
Magnetic-synchro motor, reduces maximum operating frequency, and maximum operating frequency is only 100Hz, can be effectively reduced frequency conversion debugging
In the torque drop of high band.It is described adopt rated speed for 750RPM Special alternating-current excitation synchronous motor or exchange it is built-in
Formula permasyn morot, reduces highest working speed, highest working speed can as little as 3000RPM, can be effectively reduced
To the optional scope of conventional reductor, the cost of high deceleration machine is greatly reduced, while making an uproar when also reducing high-speed cruising
Sound index.The Special alternating-current excitation synchronous motor or exchange built-in permanent-magnet synchronous motor of the employing S1 dutys, when
Longevity of service during low speed high torque, work is made as S1, and when high speed little torque, the working time is very short, and work is made as S3.Power
The motor of the S1 dutys of 7.5KW is when S3 dutys are operated in, and power of motor is ingenious and efficiently solve work up to 11KW
Make in the under powered difficult problem of high band.
4) employing of the high performance synchronous motor vector controlled/direct torque converter of 0.5-100Hz is operated in, it is described
The Motor drive of control system adopts converter (UF), and converter is the nucleus equipment of invariable power suspension rod hoist engine control system,
Converter must be the high-performance transducer of synchronous motor vector controlled or direct torque, and converter must have motor to be operated in height
The enhanced feature of driving force during frequency, to adapt to the load driving force that motor is operated in 100Hz.Control system is become from 11KW
Frequency device, with the ability of correspondence motor high current output in S3 dutys.
5) best match of lift heavy and maximum speed is limited and protection, and the control system is effective, convenient use, uses
In must assure that the best match of speed and lift heavy, system adopts lift heavy sensor real-time detection hoisting weight, and by compiling
Range controller (PLC) calculates in real time the operation of highest effective speed and volitional check maximum speed according to hoisting weight, to guarantee
The effectiveness of constant output characteristic and safety.
As can be seen here, in this utility model, scattered modular control system is integrated machine with hoist engine, only by electric power
Cable, netting twine connection equipment, simple using installing, equipment increases and decreases and transforms flexible.And can be taken into account greatly using constant-power speed regulation
Lift heavy is applied to low cruise, and little lift heavy can reach the purpose of high-speed cruising, has both met arenas performance demand, and motor can be reduced again
Power, reduces arenas installation total capacity, saves arenas investment and power consumption.Motorized winch batten is that most, utilization rate is arranged in arenas
Highest equipment, from energy-conservation, technological innovation, device for performing arts development trend angularly, the constant-power speed regulation of decentralised control is electronic
Suspension rod is that from now on Stage Machinery Industry develops significant equipment, is the project of new generation of green environmental protection innovation, in play from now on
Huge application potential will be played during field is built and arenas is transformed.
Constant-power speed regulation hoist engine will affect China's stage machinery boom system with Modular control system achievement in research
Update, its purpose is：Solve and both meet arenas performance demand, power of motor is greatly reduced again, so as to subtract significantly
Little installation total capacity, greatlys save investment and power consumption, is the project of new generation of green environmental protection innovation, in arenas from now on
Huge application potential will be played in construction and arenas transformation.
Constant-power speed regulation hoist engine is at home to belong to researching and developing first with Modular control system, and its development indicates China
Stage machinery Development Techniques integrate with international similar technique, drive the research and development of stage machinery industry overall technology and integrated horizontal
Lifted, with significant meaning.
The above is only preferred implementation of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from this utility model principle, some improvements and modifications can also be made, these improve and
Retouching should also regard protection domain of the present utility model.
Claims (4)
1. a kind of distributed AC servo system invariable power flybar, it is characterised in that including sub-controller, motor and converter；
Wherein, hoist engine includes spool and reel；The sub-controller is by the converter and the motor connection, the electricity
Machine is connected with the spool, is rotated by the reel strip movable reel, and then implements steel wire rope folding and unfolding；
The motor is using Special alternating-current excitation synchronous motor or exchange built-in permanent-magnet synchronous motor；The converter is adopted
With being operated in the synchronous motor vector controlled of 0.5～100Hz or the converter of direct torque.
2. distributed AC servo system invariable power flybar according to claim 1, it is characterised in that the motor is：Fundamental frequency
It is that 750RPM, S1 duty, the Special alternating-current excitation synchronous motor of power 7.5KW or exchange are built-in for 25Hz, rated speed
Formula permasyn morot.
3. distributed AC servo system invariable power flybar according to claim 1, it is characterised in that the sub-controller is embedded in
Among flybar plant equipment, the modular construction pattern of electromechanical is formed；Each described sub-controller has a point confession
Electric power interface and subnetwork interface；A point power supply interface for each sub-controller is connected by power supply service cable
To total power supply interface of control station；The subnetwork interface of each sub-controller is connected to control station by network cable
Overall network interface, be consequently formed dcs.
4. distributed AC servo system invariable power flybar according to claim 1, it is characterised in that also including lift heavy and highest
The best match restriction of speed and protection location；The lift heavy includes hanging with the best match restriction of maximum speed with protection location
Retransmit sensor and Programmable Logic Controller；The outfan of the lift heavy sensor is connected with the input of the Programmable Logic Controller；
The outfan of the Programmable Logic Controller is connected with the control end of the converter, for rising for being detected according to lift heavy sensor
Lift heavy amount calculates in real time highest effective speed, and the operation of volitional check maximum speed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621102281.2U CN206088857U (en) | 2016-09-30 | 2016-09-30 | Permanent power flybar of distributed control |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621102281.2U CN206088857U (en) | 2016-09-30 | 2016-09-30 | Permanent power flybar of distributed control |
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| CN206088857U true CN206088857U (en) | 2017-04-12 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108466958A (en) * | 2018-05-07 | 2018-08-31 | 浙江诺和机电股份有限公司 | A kind of invariable power electric capstan |
| CN108919743A (en) * | 2018-08-13 | 2018-11-30 | 广东白云学院 | Sunpender motor circuit and control system of platform booms |
| CN109188997A (en) * | 2018-08-13 | 2019-01-11 | 广东白云学院 | Control system of platform booms, method and device |
-
2016
- 2016-09-30 CN CN201621102281.2U patent/CN206088857U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108466958A (en) * | 2018-05-07 | 2018-08-31 | 浙江诺和机电股份有限公司 | A kind of invariable power electric capstan |
| CN108919743A (en) * | 2018-08-13 | 2018-11-30 | 广东白云学院 | Sunpender motor circuit and control system of platform booms |
| CN109188997A (en) * | 2018-08-13 | 2019-01-11 | 广东白云学院 | Control system of platform booms, method and device |
| CN109188997B (en) * | 2018-08-13 | 2024-03-01 | 广东白云学院 | Stage suspender control system, method and device |
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