CN107876667B - Traction cutter controller for shaping and processing lead wire of transformer - Google Patents
Traction cutter controller for shaping and processing lead wire of transformer Download PDFInfo
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- CN107876667B CN107876667B CN201710954718.8A CN201710954718A CN107876667B CN 107876667 B CN107876667 B CN 107876667B CN 201710954718 A CN201710954718 A CN 201710954718A CN 107876667 B CN107876667 B CN 107876667B
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- traction
- cutter
- frequency converter
- controller
- alternating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F11/00—Cutting wire
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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
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
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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
- H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
- H02P5/46—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors for speed regulation of two or more dynamo-electric motors in relation to one another
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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
- H02P2207/00—Indexing scheme relating to controlling arrangements characterised by the type of motor
- H02P2207/01—Asynchronous machines
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- Engineering & Computer Science (AREA)
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- Mechanical Engineering (AREA)
- Harvester Elements (AREA)
- Wire Processing (AREA)
Abstract
The invention discloses a traction cutter controller for shaping and processing a lead wire of a transformer, which receives a setting instruction for setting the length of traction and the parameters of a frequency converter and a cutting instruction signal and issues the instruction to a corresponding alternating current frequency converter so as to control a corresponding motor of the traction cutter to perform corresponding action. The invention adopts an autonomous control mode to replace human arms to complete the traction and cutting off heavy-load operation task of the distribution line transformer lead wire processing.
Description
Technical Field
The invention relates to a traction cutter controller for shaping and processing a lead wire of a transformer.
Background
The factory processing of distribution lines is widely applied at present, the core work is 'transformer lead wire manufacturing', the core work is finished on a workbench by using manual, electric or pneumatic tools by operators at present, the number of the operators is large, the efficiency is low, and the operation mode is original. The research and development of automatic shaping and processing equipment and control systems of distribution lines are urgent requirements of production units. Meanwhile, the currently used processing equipment is not matched and comprises self-grinding equipment and outsourcing equipment; the automation can not be realized by various modes such as pneumatic, hydraulic, electric and manual modes, and the automation requirement can be met only by researching complete special equipment.
The factory processing of artifical distribution lines has its difficulty and limitation, consequently develops to have more efficient distribution lines automation design processing equipment and control system, overcomes the difficulty and the limitation of the factory processing of artifical distribution lines, replaces the manual work to carry out distribution lines automation processing and accords with the requirement of era. The developed automatic shaping and processing equipment and control system for the distribution line meet the requirement of transformer lead wire manufacturing, and the automatic control of line processing is realized by adopting a programmable controller and a touch screen, so that people are relieved from heavy physical labor. The practical research success of the automatic shaping and processing equipment and the control system for the distribution lines of the project is bound to further promote the automatic process of the distribution line processing.
The patent with the application number of 201620899896.6 named as 'a linear optical cable cutting device' provides a linear optical cable cutting device, and a linear guide rod traction device driven by a stepping motor clamps and pulls an optical cable to a required length, and an air pressure driving air cylinder presses and cuts the optical cable, so that the traction force is small, and the cutting is easy. The diameter of a lead wire roller of a distribution line transformer exceeds 2 meters, the weight of the lead wire roller exceeds 2 tons, and the lead wire roller is not suitable for shaping, processing, traction and cutting of the lead wire of the transformer.
The automatic shaping processing equipment and the control system for the distribution line are blank in China, and the application of the technology in the automatic processing of the distribution line in China is the first time. The successful development of the project not only has a positive revolution effect on the processing of the distribution lines in China, but also must improve the production automation level and the safety risk prevention level of the distribution lines, accumulates valuable technical data and field actual operation experience, is the initial development of the intelligent power grid of the distribution lines, and is a technical innovation of the operation management of the distribution lines.
Disclosure of Invention
The invention provides a traction cutter controller for shaping and processing a transformer lead wire, which adopts an autonomous control mode to replace an arm of a person to complete a traction cutting heavy-load operation task for processing the distribution line transformer lead wire.
In order to achieve the purpose, the invention adopts the following technical scheme:
a transformer lead wire form-finishing traction disconnector controller configured to:
receiving a setting instruction for setting the length of traction and the parameters of the frequency converter and a cutting instruction signal, and sending the instruction to the corresponding alternating current frequency converter so as to control the corresponding motor of the traction cutter to perform corresponding action.
Furthermore, the controller is connected with a remote control device, and the length of traction and the parameters of the frequency converter are set through the remote control device, and a cut-off signal is input.
Further, the traction cutter comprises a tractor and a cutter, wherein the tractor draws the lead in one direction, and the cutter cuts the lead according to the instruction.
Furthermore, the alternating current frequency converter is arranged in the electric control circuit, the circuit comprises three phase lines, an air switch, a fuse, the alternating current frequency converter, a contactor main contact and an alternating current asynchronous motor, one of the three phase lines is sequentially connected with the other of the three phase lines through a thermal relay break contact, a power indicator lamp connection, a contactor coil, a start button, a contactor auxiliary contact, a stop button and the three phase line, the contactor main contact is connected with the three phase lines through the fuse and the air switch, the contactor main contact is connected with each alternating current frequency converter, and each alternating current frequency converter correspondingly controls one alternating current asynchronous motor.
Furthermore, the tractor comprises a motor, a speed reducer, a chain wheel, a chain, a pressing wheel, a supporting wheel and a driving wheel; the motor drives the chain wheel to rotate, the chain wheel drives the supporting wheel and the pressing wheel to rotate simultaneously through the chain, the wire enters the guide grooves of the supporting wheel and the pressing wheel and is pulled to move forwards or backwards, the displacement sensor measures the walking distance of the wire, and the wire is pulled to a set length position by means of mutual matching of the supporting wheel and the pressing wheel.
Furthermore, the distance between the supporting wheels and the pressing wheels is adjustable, so that the requirements of different wire diameters are met.
Furthermore, the cutter is driven by a motor, and a rotary cutter is used for cutting off the lead.
Further, the cutter controls the rotation speed of the rotary cutter and the cutting action of the rotary cutter through an alternating current frequency converter.
Further, the controller outputs and controls the frequency converter through 485 signals, and drives the alternating current servo motor to move.
Further, the controller is connected with a voltage-stabilized power supply to supply direct current.
Furthermore, the information of the rotating speed of the chain wheel is output by the rotary encoder in real time and is used for the controller to calculate.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention has the functions of short-circuit protection, overload protection and undervoltage protection. Thereby leading the traction cutter to play the role of overload protection when in overload use and ensuring the safe and reliable work.
2. The traction cutter controller can realize the automatic processing of wire traction and cutting, improves the working efficiency and reduces the labor.
3. The system controller adopts a mature PLC controller, and has strong anti-interference capability and low failure rate.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is a general block diagram of the present invention traction disconnector;
FIG. 2 is a schematic block diagram of the retractor of the present invention;
FIG. 3 is an electrical block diagram of the present invention traction disconnector;
FIG. 4 is a control block diagram of the traction disconnector of the present invention;
FIG. 5 is a flowchart of a control procedure according to the present invention;
the specific implementation mode is as follows:
the invention is further described with reference to the following figures and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present invention, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only terms of relationships determined for convenience of describing structural relationships of the parts or elements of the present invention, and are not intended to refer to any parts or elements of the present invention, and are not to be construed as limiting the present invention.
In the present invention, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and mean either a fixed connection or an integrally connected or detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be determined according to specific situations by persons skilled in the relevant scientific or technical field, and are not to be construed as limiting the present invention.
As introduced by the background art, the automatic shaping and processing equipment and control system of the distribution line in the prior art is still a blank in China, and in order to solve the technical problems, the application provides a traction disconnector controller for shaping and processing the lead wire of the transformer.
In a typical implementation of this application, as shown in fig. 1, the disconnector controller is pull in transformer lead wire design processing, including touch-sensitive screen and controller, output, the input of controller connect 485 conversion module, touch-sensitive screen, 485 interfaces are connected to its 485 conversion module, 485 interface connection converter, the touch-sensitive screen set up the parameter of towed length, converter, the signal of cutting off, a plurality of converter control pull the motion of disconnector, and the signal of displacement sensor collection on the tractor feeds back to the controller through AD acquisition module, and main control unit carries out accurate control to pulling the disconnector according to feedback signal again.
As shown in fig. 2, the tractor includes a motor, a reducer, a sprocket, a chain, a pinch roller, a support wheel, a driving wheel, etc. The motor drives the chain wheel to rotate, the chain wheel drives the supporting wheel and the pressing wheel to rotate simultaneously through the chain, the lead enters the guide grooves of the supporting wheel and the pressing wheel and is pulled to move forwards or backwards, and the displacement sensor measures the walking distance of the lead. Finally, the wire is pulled to a set length position. The distance between each supporting wheel and the pressing wheel is adjustable, so that the requirements of different wire diameters are met.
The wire cutter is driven by a motor, and a rotary cutter is used for cutting off the wire.
The touch screen is connected with the controller and can set functions such as traction speed, traction length, traction direction, rotating cutter direction, cutting action and the like.
The cutter controls the rotation speed of the rotary cutter and the cutting action of the rotary cutter through an alternating current frequency converter.
The controller controls the frequency converter through 485 signal output to drive the alternating current servo motor to move.
The controller supplies 24VDC power by connecting with a regulated power supply.
And the rotation speed information of the chain wheel is output in real time through a rotary encoder and is used for a controller to calculate.
The motor drives the roller to clamp and pull the wire, the position sensor measures the rotation of the roller, and the distance of the walking wire is calculated. And finally, the wire is pulled to a set length position, and the wire cutter cuts off the wire. The distance between each gyro wheel is adjustable to satisfy the demand of different line footpaths.
Referring to fig. 3, U, V, W phase of 380V is connected with an air switch, the air switch is connected with a fuse, the fuse is connected with a main contact of a contactor, the main contact of the contactor is connected with a frequency converter, the contactor is connected with a heating element of a thermal relay, and the heating element of the thermal relay is connected with an alternating current asynchronous motor; the 380V phase is connected with the thermal relay break contact, the thermal relay break contact is connected with the power indicator lamp, the power indicator lamp is connected with the contactor coil, the contactor coil is connected with the starting button and the contactor auxiliary contact, the starting button and the contactor auxiliary contact are connected with the stopping button, and the stopping button is connected with the 380V W phase.
The thermal relay is connected with the main circuit of the motor, and if the motor is overloaded, the power supply can be automatically cut off, so that the overload protection of the motor is realized.
The thermal relay dynamic break contact is connected with a V in the three-phase line; the stop button is connected with the W of the three-phase line.
The fuse can realize short circuit or overcurrent protection of the main circuit. The fuse rated current of the fuse of the single motor is more than or equal to 2 to 5 times of the starting current of the motor.
The auxiliary contact of the contactor is connected with the starting switch in parallel, and the closing self-locking function can be realized.
The stabilized voltage power supply is a 220VAC/24VDC stabilized voltage power supply, one line of the input end is a zero line, the other line of the input end is connected with a phase line, and the voltage and the current of the stabilized voltage power supply are 24V and 5A.
The frequency converter can set parameters such as frequency range, acceleration and deceleration time, motor rated current, motor fault and protection, PID function and the like.
The frequency converter adopts a PV6000 frequency converter, 24 items of warning information and protection functions are provided in total, and once a fault occurs, the protection functions act, and the frequency converter stops outputting.
The displacement sensor adopts an American MTI laser displacement sensor, the response frequency is up to 20Khz, the linearity is less than 0.03%, and the resolution is up to 0.038 um.
Referring to fig. 4, touch-sensitive screen and controller, 485 conversion module, touch-sensitive screen are connected to the output, the input of controller, and its 485 conversion module connects the 485 interface, 485 interface connection converter, the touch-sensitive screen set up the parameter of towed length, converter, the signal of cutting off, a plurality of converters control pull the motion of cutting off, and the signal of displacement sensor collection on the tractor feeds back to the controller through AD acquisition module, and main control unit carries out accurate control to pulling the cutter according to feedback signal again.
Referring to fig. 5, when the traction cutter is in the automatic movement mode, the traction cutter automatically and circularly executes according to a movement control program written in advance until a control key on a control panel is pressed.
And when a power button on the system is pressed, the distance between the rollers is adjusted according to the wire diameter, the traction speed and the traction length are set, the system is started, the traction motor runs, if the set length is reached, a 'location signal' is sent to the cutting motor, the cutting is started, and if the set length is not reached, the system returns to the traction motor to run and continues to circularly run.
The touch screen adopts the Chinesian VT3-X15, ultra-high brightness TFT color, XGA 1024X 766 points, 32768 display and 28 Mbyte memory.
The PLC controller adopts a Keynes PLC KV-N24DT model, runs at 10000 steps/ms, and can be programmed by adopting a ladder diagram and a script (supporting a C language mode).
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (4)
1. The utility model provides a disconnector controller is pull in transformer lead wire design processing which characterized by: receiving a setting instruction for setting the length of traction and the parameters of the alternating-current frequency converter and a cutting instruction signal, and sending the instruction to the corresponding alternating-current frequency converter so as to control the corresponding motor of the traction cutter to perform corresponding action; the traction cutter comprises a tractor and a cutter, wherein the tractor draws the lead in one direction, and the cutter cuts the lead according to instructions; the tractor comprises a traction motor, a speed reducer, a chain wheel, a chain, a pressing wheel, a supporting wheel and a driving wheel; the motor drives the chain wheel to rotate, the chain wheel drives the supporting wheel and the pressing wheel to rotate simultaneously through the chain, the wire enters the guide grooves of the supporting wheel and the pressing wheel and is pulled to move forwards or backwards, the displacement sensor measures the walking distance of the wire, and the wire is pulled to a set length position by utilizing the mutual matching of the supporting wheel and the pressing wheel; the cutter is driven by a cutting motor, and a rotary cutter is used for cutting off the lead;
the alternating-current frequency converter is arranged in an electric control circuit, the circuit comprises three phase lines, an air switch, a fuse, the alternating-current frequency converter, a contactor main contact and an alternating-current asynchronous motor, one of the three phase lines is sequentially connected with the other of the three phase lines through a thermal relay break contact, a power indicator lamp, a contactor coil, a start button, a contactor auxiliary contact, a stop button and the fuse, the contactor main contact is connected to the three phase lines through the fuse and the air switch, the contactor main contact is connected with each alternating-current frequency converter, and each alternating-current frequency converter correspondingly controls one alternating-current asynchronous motor;
the controller controls the alternating current frequency converter through 485 signal output to drive the alternating current asynchronous motor to move; the controller is connected with a voltage-stabilized power supply to perform direct-current power supply; the cutter controls the rotating speed of the rotary cutter and the cutting action of the rotary cutter through the alternating-current frequency converter.
2. The traction cutter controller for shaping and processing the lead wire of the transformer as claimed in claim 1, wherein: the controller is connected with a remote control device, and the length of traction and the parameters of the frequency converter are set through the remote control device, and a cut-off signal is input.
3. The traction cutter controller for shaping and processing the lead wire of the transformer as claimed in claim 1, wherein: the distance between the supporting wheels and the pressing wheels is adjustable so as to meet the requirements of different wire diameters.
4. The traction cutter controller for shaping and processing the lead wire of the transformer as claimed in claim 1, wherein: the information of the rotating speed of the chain wheel is output by the rotary encoder in real time and is used for the controller to calculate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710954718.8A CN107876667B (en) | 2017-10-13 | 2017-10-13 | Traction cutter controller for shaping and processing lead wire of transformer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710954718.8A CN107876667B (en) | 2017-10-13 | 2017-10-13 | Traction cutter controller for shaping and processing lead wire of transformer |
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| Publication Number | Publication Date |
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| CN107876667A CN107876667A (en) | 2018-04-06 |
| CN107876667B true CN107876667B (en) | 2020-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710954718.8A Active CN107876667B (en) | 2017-10-13 | 2017-10-13 | Traction cutter controller for shaping and processing lead wire of transformer |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110752582B (en) * | 2019-02-13 | 2021-11-30 | 国网江苏省电力有限公司常州供电分公司 | Intelligent power-off device for electric wire |
| CN114570858B (en) * | 2022-02-28 | 2024-02-23 | 献县中远线缆有限公司 | Cutting equipment for hardware power transmission wire and cable |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000351036A (en) * | 1999-05-03 | 2000-12-19 | Rockford Mfg Group Inc | Clutchless wire cutting device |
| CN103157738A (en) * | 2013-03-28 | 2013-06-19 | 金堆城钼业股份有限公司 | Metal wire rod precision alignment cutting device and method |
| CN203245315U (en) * | 2013-04-07 | 2013-10-23 | 太原科技大学 | Full-automatic wire rod cutting device |
| CN203689073U (en) * | 2014-01-25 | 2014-07-02 | 武汉迈信电气技术有限公司 | Steel wire fixed-length cutting control system |
| CN203817237U (en) * | 2014-05-12 | 2014-09-10 | 国家电网公司 | Automatic cable cutting machine |
-
2017
- 2017-10-13 CN CN201710954718.8A patent/CN107876667B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000351036A (en) * | 1999-05-03 | 2000-12-19 | Rockford Mfg Group Inc | Clutchless wire cutting device |
| CN103157738A (en) * | 2013-03-28 | 2013-06-19 | 金堆城钼业股份有限公司 | Metal wire rod precision alignment cutting device and method |
| CN203245315U (en) * | 2013-04-07 | 2013-10-23 | 太原科技大学 | Full-automatic wire rod cutting device |
| CN203689073U (en) * | 2014-01-25 | 2014-07-02 | 武汉迈信电气技术有限公司 | Steel wire fixed-length cutting control system |
| CN203817237U (en) * | 2014-05-12 | 2014-09-10 | 国家电网公司 | Automatic cable cutting machine |
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| CN107876667A (en) | 2018-04-06 |
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Address after: Ji'nan City, Shandong Province Wang Yue Road 250003 No. 2000 Applicant after: Electric Power Research Institute of State Grid Shandong Electric Power Company Applicant after: National Network Intelligent Technology Co., Ltd. Applicant after: State Grid Corporation of China Address before: Ji'nan City, Shandong Province Wang Yue Road 250003 No. 2000 Applicant before: Electric Power Research Institute of State Grid Shandong Electric Power Company Applicant before: Shandong Luneng Intelligent Technology Co., Ltd. Applicant before: State Grid Corporation of China |
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Effective date of registration: 20201030 Address after: 250101 Electric Power Intelligent Robot Production Project 101 in Jinan City, Shandong Province, South of Feiyue Avenue and East of No. 26 Road (ICT Industrial Park) Applicant after: National Network Intelligent Technology Co.,Ltd. Address before: Ji'nan City, Shandong Province Wang Yue Road 250003 No. 2000 Applicant before: ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER Co. Applicant before: National Network Intelligent Technology Co.,Ltd. Applicant before: STATE GRID CORPORATION OF CHINA |
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