CN108287516A - A kind of frequency conversion drive formula anchor winch is from tensioning control system and from tensioning control method - Google Patents
A kind of frequency conversion drive formula anchor winch is from tensioning control system and from tensioning control method Download PDFInfo
- Publication number
- CN108287516A CN108287516A CN201810054983.5A CN201810054983A CN108287516A CN 108287516 A CN108287516 A CN 108287516A CN 201810054983 A CN201810054983 A CN 201810054983A CN 108287516 A CN108287516 A CN 108287516A
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- China
- Prior art keywords
- frequency
- control unit
- tensioning
- anchor
- value
- 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.)
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/11—Plc I-O input output
- G05B2219/1103—Special, intelligent I-O processor, also plc can only access via processor
Abstract
The invention discloses a kind of frequency conversion drive formula anchor winch from tensioning control system, including anchor winch, variable-frequency motor, frequency converter, PLC control unit and multiple master controllers, wherein：The transmission axis connection of variable-frequency motor output shaft and anchor winch reduction box, driving anchor winch rotation；Master controller connects PLC control unit, it will take over, anchor is received, anchor is put or is sent to the switching input module of PLC control unit from the control signal of tensioning, and receipts anchor analog quantity that handle operates and puts the Analog input mModule that anchor analog signals are sent to PLC control unit；Frequency converter connects the analog input and output module of variable-frequency motor and PLC control unit, the frequency variation signal sent out according to PLC control unit carries out step-less adjustment to the input frequency of variable-frequency motor, the variable-frequency motor torque and steering of monitoring simultaneously, and feed back to PLC control unit.
Description
Technical field
The present invention relates to a kind of anchor capstans more particularly to a kind of frequency conversion drive formula anchor winch to be opened from tensioning control system and certainly
Clamping control method.
Background technology
It is driven currently, the type of drive of anchor winch is hydraulic-driven or three-speed motor, but as people are to energy-efficient concept
Increasingly focus on, existing hydraulic-driven is mainly by hydraulic power unit, hydraulic motor, hydraulic control valve, electric cabinet, reduction box and anchor
The compositions such as the main axis transmission system of winch.Because hydraulic system component is more, unavoidably there is hydraulic fluid leak, has one to environment
Fixed pollution, shipyard need to install fluid pressure line and clean when installing hydraulic anchor winch, need a large amount of artificial and cost.
The anchor winch of three-speed motor driving only has third speed, it is not possible to realize stepless speed regulation, require to have in shipowner automatic
In the case of tensile requirements, need other components of increase load axis and amplification board etc. that could realize that cost increases big.
For existing client to energy saving, automatization level, the promotion of reliability and handling requirement needs a kind of complete
New anchor winch drive form replaces hydraulic-driven or three-level motor to drive, high and cannot nothing to eliminate maintenance cost
The problem of grade speed governing, (patent name is the frequency changing driving system of anchor winch, Patent No. in existing patent application
201210126527.X), it is referred to a kind of frequency conversion drive form, is realized to the stepless of anchor winch by frequency converter and variable-frequency motor
Speed governing, however encoder is arranged to detect the output torsion of variable-frequency motor in it on variable-frequency motor it can be seen from its manuscript content
Square realizes tensioning to carry out tension adjustment, and the encoder of this structure is mounted in the shaft of motor, it is required that encoder
It is high with motor shaft concentricity requirement, but as the long-time of motor uses, shaft will appear deformation, be compiled to may result in
Code device can not be concentric with shaft, and then causes encoder damage that can not use, and replacement gets up to be more troublesome, while anchor winch is peace
On ship, encoder with variable-frequency motor be directly it is exposed in air, when encountering sea laps ship, seawater
Impact can make encoder dislocation even damage, to influence its normal work.
The problem of carrying out output torque detection for encoder, patent is with load limitation and hawser from the electronic of tensioning function
Anchor winch (Patent No. 2014105510509), in be referred to another test format, carried out by the pulling force sensor of exterior
Torque detects, and can accurately detect the output torque of motor, however the pulling force sensor cost of this exterior is relatively high, and will be
Mating auxiliary circuit is installed, the presence of circuit results in its existing fault point to increase, and detects needs inside reduction box
Reduction box is dismantled and is operated, it is very troublesome, and also the increase of circuit makes reduction box volume increase, and it is empty to occupy hull surface
Between increase；In addition it is easily damaged during this pulling force sensor use, not only influences the normal use of tensioning operation, Er Qiela
Force snesor can not be replaced directly, need to carry out previous calibration operation, due to being of entirely to be mounted on ship, so using
That can not be calibrated in the process, need the overall pulling down to entire transmission shaft of reduction box etc calibrated just can, cause to tie up
It repaiies and bothers very much, and maintenance cost is high.
Invention content
It is an object of the invention to overcome the deficiencies of existing technologies, a kind of frequency conversion drive formula anchor winch is provided from being tensioned control
System realizes the stepless time adjustment to anchor winch using frequency conversion drive form, and from tensioning control, utilizes the direct of frequency converter
Direct torque realizes the detection and adjusting to motor torque, and by coordinating settings of the PLC to adjustment parameter, realizes from tensioning work(
The reliable and stable realization of energy.
To achieve the above object, the following technical solutions are proposed by the present invention：A kind of frequency conversion drive formula anchor winch is from being tensioned control
System, including anchor winch, variable-frequency motor, frequency converter, PLC control unit and multiple master controllers, wherein：
The transmission axis connection of variable-frequency motor output shaft and anchor winch reduction box, driving anchor winch rotation；
Master controller connects PLC control unit, will take over, and receives anchor, puts anchor or is sent to PLC from the control signal of tensioning
The switching input module of control unit, and the receipts anchor analog quantity of handle operation and put anchor analog signals and be sent to PLC controls
The Analog input mModule of unit；
Frequency converter connects the analog input and output module of variable-frequency motor and PLC control unit, is sent out according to PLC control unit
The frequency variation signal gone out carries out step-less adjustment, while the variable-frequency motor torque and steering monitored to the input frequency of variable-frequency motor, and
Feed back to PLC control unit；
There is DTC Direct Torque Control modules, PLC control unit to be triggered according to from tensioning control signal inside frequency converter
The torque of DTC Direct Torque Control module monitors variable-frequency motors, and PLC control unit is fed back to, PLC control unit is according to matching
The torque of variable-frequency motor is adjusted in parameter value, realizes the adjusting of tensile force.
There is torque amplitude limit function module and display module, the detection of DTC Direct Torque Control modules inside the frequency converter
Torque value shown by display module, and according to show value pass through torque amplitude limit function module be arranged amplitude limit value, realize load
Control.
A kind of frequency conversion drive formula anchor winch is from being tensioned control method, including following content：
Determine that the tension preset value of frequency converter is a gear, multiple gears or arbitrary point first, to judge input letter
Number type；
If a gear or multiple gears, then it is On-off signal signal, is controlled by frequency converter internal processes
Parameter setting, including the anchor point for the folding and unfolding anchor that each gear is arranged, the dead zone of anchor point, the bound of automatic deploying and retracting cable
The torque limit value of value, activation value, folding and unfolding speed and variable-frequency motor；
From tensioning operation when, started from tensioning function by master controller, and select gear, from tensioning control signal
It is transferred to PLC control unit, activation value is sent and starts DTC Direct Torque Controls to frequency converter, there is frequency converter monitoring in real time to become
The torque functions of frequency motor, while PLC control unit is sent from tensioning control gear value to frequency converter, frequency converter is according to preset
Parameter value is carried out from tensioning operation；
During from being tensioned, if hawser pine or tension excessively, frequency converter coordinate actual monitoring value according to preset parameter value,
The cable tension that automatically adjusts is matched until with preset value；
If tension preset value is arbitrary point, for analog input signal, by the way that frequency converter inner parameter 76.13 is set
It is read to come from PLC control unit AI2 port signals, Setpoint 1 is set as when single grade normal, is i.e. anchor point comes from 76.14
Setting value, when analog signals, speed gives routing when AI2 interfaces are again simultaneously normal operatings；
From tensioning operation when, started from tensioning function by master controller, PLC controls be transferred to from tensioning control signal
Unit, PLC control unit start DTC Direct Torque Controls by AI2 interface activation frequency converters, and frequency converter monitors change in real time at this time
The torque of frequency motor, while PLC control unit is sent from tensioning control gear value to frequency converter, frequency converter is according to preset parameter
Value is carried out from tensioning operation；
During from being tensioned, if hawser pine or tension excessively, frequency converter coordinate actual monitoring value according to preset parameter value,
The cable tension that automatically adjusts is matched until with preset value.
Compared with prior art, disclosed frequency conversion drive formula anchor winch has as follows from tensioning control system
Advantageous effect：Using frequency conversion drive form, the nothing to anchor winch may be implemented in not only energy conservation and environmental protection, but also automatization level height
Pole speed governing, and from tensioning control, detection and adjusting to motor torque are realized using the Direct Torque Control of frequency converter, and
By coordinating settings of the PLC to adjustment parameter, the reliable and stable realization from tensioning function is realized, this form is not deposited again additional
Structural circuit, therefore overall operation stablizes not easy break-down, and if damage, direct replacement frequency converter is easy to maintenance,
At low cost, performance is stablized, from stretch precision height.
Description of the drawings
Fig. 1 is schematic diagram of the frequency conversion drive formula anchor winch of the present invention from tensioning control system；
Fig. 2 is the electrical connection diagram of control system of the present invention.
Specific implementation mode
Below in conjunction with the attached drawing of the present invention, clear, complete description is carried out to the technical solution of the embodiment of the present invention.
As shown in Fig. 1~2, a kind of disclosed frequency conversion drive formula anchor winch is from tensioning control system, including anchor
Winch, variable-frequency motor, frequency converter, PLC control unit, multiple master controllers and braking resistor box, wherein：
The transmission axis connection of variable-frequency motor output shaft and anchor winch reduction box, driving anchor winch rotation；
Master controller connects PLC control unit, will take over, and receives anchor, puts anchor and is sent to PLC from the control signal of tensioning
The switching input module of control unit, and the receipts anchor analog quantity of handle operation and put anchor analog signals and be sent to PLC controls
The Analog input mModule of unit；
Frequency converter connects the analog input and output module of variable-frequency motor and PLC control unit, internal to have DTC direct
Torque control module, torque amplitude limit function module and display module, the frequency variation signal pair that frequency converter is sent out according to PLC control unit
The input frequency of variable-frequency motor carries out step-less adjustment, while triggering DTC Direct torques according to the signal that PLC control unit is sent
The torque of module monitors variable-frequency motor processed, and torque value is shown and is fed back to by display module PLC control unit, together
When frequency converter the torque of variable-frequency motor is adjusted according to preset match parameter value, realize from tensioning operation；
The torque value that user shows according to display module carries out the setting of torque amplitude limit, to realize automatically controlling for load.
The variable-frequency motor has two kinds of permanent torque control, power limitation control working characteristics, wherein：The speed in permanent torque stage
Degree is V0~VIt is specified；And the speed in invariable power stage is VIt is specified~Vmax.According to Rated motor torque calculation formula：TIt is specified=9550*
PIt is specified/NIt is specified, wherein P is rated power, and N is rated speed.When speed is in VIt is specified~VmaxBetween when changing, due to the power of motor
It will not become larger again, then rotating speed will become inversely with torque, i.e. rotating speed is faster, and motor output torque will be smaller.
Disclosed frequency conversion drive formula anchor winch may be implemented the frequency conversion to anchor winch and drive from tensioning control system
It is dynamic, the differentiation of operating mode (windlass or winch) is carried out by the optoelectronic switch on the mechanical clutch of anchor winch.
For the speed governing of windlass：When optoelectronic switch obtains it is electric when, PLC program can start windlass operating mode, windlass work automatically
Condition belongs to promotion class, needs to remain bigger load (anchor+anchor chain), car slipping, actuating speed will be limited in order to prevent
In V0~VVolumeBetween carry out stepless time adjustment.Due to the acceleration and deceleration characteristic of frequency converter inherently, when anchor is received to hawsehole, if
Do not shift to an earlier date reducing speed, can not just stop at once, thus will appear overload or other safety accidents etc..Therefore, frequency conversion
The anchor winch of driving can also be furnished with chain length detection device, and when remaining anchor chain is less than 3~5 meters, PLC program can start automatic retarding
Function can shorten the time as possible when shutting down in this way.
For the speed governing of winch：When optoelectronic switch dead electricity, PLC program can start winch operating mode automatically, and speed can
With in V0~VmaxBetween stepless time adjustment carried out by operation handle, and in quick take-up, by PLC to the real-time of frequency converter
Torque monitoring signal carries out data analysis, controls in VIt is specified~VmaxBetween, when hawser load is more than that motor output torque minimum permits
Perhaps value TminWhen, speed can be switched to V by PLC automatically0~VVolumeSection is resetted in handle to be operated returns behind position.
A kind of frequency conversion drive formula anchor winch is from being tensioned control method, including following content：
Determine that the tension preset value of frequency converter is a gear, multiple gears or arbitrary point first, to judge input letter
Number type；
If a gear or multiple gears, then it is On-off signal signal, is controlled by frequency converter internal processes
Parameter setting, including the anchor point for the folding and unfolding anchor that each gear is arranged, the dead zone of anchor point, the bound of automatic deploying and retracting cable
The torque limit value of value, activation value, folding and unfolding speed and variable-frequency motor；
From tensioning operation when, started from tensioning function by master controller, and select gear, from tensioning control signal
It is transferred to PLC control unit, activation value is sent and starts DTC Direct Torque Controls to frequency converter, frequency converter monitors change in real time at this time
The torque of frequency motor, while PLC control unit is sent from tensioning control gear value to frequency converter, frequency converter is according to preset parameter
Value is carried out from tensioning operation；
During from being tensioned, if hawser pine or tension excessively, frequency converter coordinate actual monitoring value according to preset parameter value,
The cable tension that automatically adjusts is matched until with preset value；
If tension preset value is arbitrary point, for analog input signal, by the way that frequency converter inner parameter 76.13 (is become
76th the 13rd parameter in frequency device arrange parameter table) it is set as reading from PLC control unit AI2 port signals, just
Often single grade when be set as Setpoint 1, i.e., anchor point from 76.14 (the 76th the 14th ginseng in frequency converter arrange parameter table
Number) setting value, when analog signals, speed gives routing when AI2 interfaces are again simultaneously normal operatings；
From tensioning operation when, started from tensioning function by master controller, PLC controls be transferred to from tensioning control signal
Unit, PLC control unit start DTC Direct Torque Controls by AI2 interface activation frequency converters, and frequency converter monitors change in real time at this time
The torque of frequency motor, while PLC control unit is sent from tensioning control gear value to frequency converter, frequency converter is according to preset parameter
Value is carried out from tensioning operation；
During from being tensioned, if hawser pine or tension excessively, frequency converter coordinate actual monitoring value according to preset parameter value,
The cable tension that automatically adjusts is matched until with preset value.
Disclosed frequency conversion drive formula anchor winch is not only saved from tensioning control system using frequency conversion drive form
Can be environmentally friendly, and automatization level is high, the stepless time adjustment to anchor winch may be implemented, and from tensioning control, utilize frequency conversion
The Direct Torque Control of device realizes the detection and adjusting to motor torque, and by coordinating settings of the PLC to adjustment parameter, realizes
From the reliable and stable realization of tensioning function, this form does not deposit again additional structural circuit, therefore overall operation stabilization is not easy out
Failure, and if damage, directly replace frequency converter, it is easy to maintenance, it is at low cost, performance stablize, from stretch precision height.
The technology contents and technical characteristic of the present invention have revealed that as above, however those skilled in the art still may base
Make various replacements and modification without departing substantially from spirit of that invention, therefore, the scope of the present invention in teachings of the present invention and announcement
It should be not limited to the revealed content of embodiment, and should include various replacements and modification without departing substantially from the present invention, and be this patent Shen
Please claim covered.
Claims (3)
1. a kind of frequency conversion drive formula anchor winch is from tensioning control system, it is characterised in that：Including anchor winch, variable-frequency motor, frequency conversion
Device, PLC control unit and multiple master controllers, wherein：
The transmission axis connection of variable-frequency motor output shaft and anchor winch reduction box, driving anchor winch rotation；
Master controller connects PLC control unit, will take over, and receives anchor, puts anchor or is sent to PLC controls from the control signal of tensioning
The switching input module of unit, and the receipts anchor analog quantity of handle operation and put anchor analog signals and be sent to PLC control unit
Analog input mModule；
Frequency converter connects the analog input and output module of variable-frequency motor and PLC control unit, is sent out according to PLC control unit
Frequency variation signal carries out step-less adjustment, while the variable-frequency motor torque and steering monitored to the input frequency of variable-frequency motor, and feeds back
To PLC control unit；
There is DTC Direct Torque Control modules, PLC control unit is according to straight from tensioning control signal triggering DTC inside frequency converter
The torque of torque control module monitoring variable-frequency motor is connect, and feeds back to PLC control unit, PLC control unit is according to match parameter
The torque of variable-frequency motor is adjusted in value, realizes the adjusting of tensile force.
2. a kind of frequency conversion drive formula anchor winch as described in claim 1 is from tensioning control system, it is characterised in that：The frequency conversion
There is torque amplitude limit function module and display module, the torque value of DTC Direct Torque Control modules detection to pass through display inside device
Module is shown, and amplitude limit value is arranged by torque amplitude limit function module according to show value, realizes load control.
3. as described in claim 1 from the tensioning control method certainly of tensioning control system, it is characterised in that including following content：
Determine that the tension preset value of frequency converter is a gear, multiple gears or arbitrary point first, to judge input signal class
Type；
Then it is On-off signal signal if a gear or multiple gears, control parameter is carried out by frequency converter internal processes
Setting, including the anchor point for the folding and unfolding anchor that each gear is arranged, the dead zone of anchor point, the upper lower limit value of automatic deploying and retracting cable,
The torque limit value of activation value, folding and unfolding speed and variable-frequency motor；
From tensioning operation when, started from tensioning function by master controller, and select gear, transmitted from tensioning control signal
To PLC control unit, sends activation value and start DTC Direct Torque Controls to frequency converter, frequency converter has monitoring variable-frequency electric in real time
The torque functions of machine, while PLC control unit is sent from tensioning control gear value to frequency converter, frequency converter is according to preset parameter
Value is carried out from tensioning operation；
During from being tensioned, if hawser pine or tension excessively, frequency converter coordinate actual monitoring value according to preset parameter value, carry out
Automatic adjustment cable tension is matched until with preset value；
If tension preset value is arbitrary point, for analog input signal, by by frequency converter inner parameter 76.13 be set as come
It is read from PLC control unit AI2 port signals, normal single grade when is set as Setpoint 1, i.e., anchor point is set from 76.14
Definite value, when analog signals, speed gives routing when AI2 interfaces are again simultaneously normal operatings；
From tensioning operation when, started from tensioning function by master controller, it is single to be transferred to PLC controls from tensioning control signal
Member, PLC control unit start DTC Direct Torque Controls by AI2 interface activation frequency converters, and frequency converter monitors frequency conversion in real time at this time
The torque of motor, while PLC control unit is sent from tensioning control gear value to frequency converter, frequency converter is according to preset parameter value
It carries out from tensioning operation；
During from being tensioned, if hawser pine or tension excessively, frequency converter coordinate actual monitoring value according to preset parameter value, carry out
Automatic adjustment cable tension is matched until with preset value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810054983.5A CN108287516A (en) | 2018-01-19 | 2018-01-19 | A kind of frequency conversion drive formula anchor winch is from tensioning control system and from tensioning control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810054983.5A CN108287516A (en) | 2018-01-19 | 2018-01-19 | A kind of frequency conversion drive formula anchor winch is from tensioning control system and from tensioning control method |
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| Publication Number | Publication Date |
|---|---|
| CN108287516A true CN108287516A (en) | 2018-07-17 |
Family
ID=62835285
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810054983.5A Pending CN108287516A (en) | 2018-01-19 | 2018-01-19 | A kind of frequency conversion drive formula anchor winch is from tensioning control system and from tensioning control method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111874540A (en) * | 2020-08-11 | 2020-11-03 | 大连华锐重工国际贸易有限公司 | Movable tensioning control system and method for displacing belt conveyor |
| CN115072604A (en) * | 2022-05-09 | 2022-09-20 | 南京中船绿洲机器有限公司 | Constant tension control method for variable-frequency mooring winch |
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| CN103378798A (en) * | 2012-04-26 | 2013-10-30 | 上海国靖机械设备有限公司 | Variable frequency driving system of anchor winch |
| CN105398986A (en) * | 2015-12-23 | 2016-03-16 | 深圳市英威腾电气股份有限公司 | Frequency converter based rope creep protection method and device and hoisting equipment |
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| JP2006521080A (en) * | 2003-03-19 | 2006-09-14 | フォルスカーパテント イー エスイーデー アーベー | Synchronous machine |
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| CN105398986A (en) * | 2015-12-23 | 2016-03-16 | 深圳市英威腾电气股份有限公司 | Frequency converter based rope creep protection method and device and hoisting equipment |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111874540A (en) * | 2020-08-11 | 2020-11-03 | 大连华锐重工国际贸易有限公司 | Movable tensioning control system and method for displacing belt conveyor |
| CN111874540B (en) * | 2020-08-11 | 2023-08-04 | 大连华锐国际工程有限公司 | Mobile tensioning control system and method for displacement belt conveyor |
| CN115072604A (en) * | 2022-05-09 | 2022-09-20 | 南京中船绿洲机器有限公司 | Constant tension control method for variable-frequency mooring winch |
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Application publication date: 20180717 |