CN213951486U - Electronic selvage electric control system of air jet loom - Google Patents
Electronic selvage electric control system of air jet loom Download PDFInfo
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- CN213951486U CN213951486U CN202021911392.4U CN202021911392U CN213951486U CN 213951486 U CN213951486 U CN 213951486U CN 202021911392 U CN202021911392 U CN 202021911392U CN 213951486 U CN213951486 U CN 213951486U
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Abstract
The utility model discloses an air jet loom electron hank limit electrical system, including signal input unit, the control unit, human-computer interface and drive unit, the control unit includes ARM control panel and power protection circuit. The signal input unit comprises an encoder, a first proximity switch and a second proximity switch, and the encoder, the first proximity switch and the second proximity switch are all in communication connection with the ARM control board. The human-computer interface comprises a liquid crystal display touch screen, and the liquid crystal display touch screen is connected with the serial communication. The driving unit comprises a first servo motor and a second servo motor, the first servo motor is in communication connection with the ARM control board through a first electronic selvage servo controller, and the second servo motor is in communication connection with the ARM control board through a second electronic selvage servo controller. The utility model discloses simple structure, low in manufacturing cost, the installation of being convenient for carries out accurate control to servo controller and servo motor, and control system moves stably, reliably, and electron hank limit parameter sets up and the simple high efficiency of adjustment, applicable multiple type air jet loom.
Description
Technical Field
The utility model relates to an air jet loom technical field, concretely relates to air jet loom electron hank limit electrical system.
Background
The air jet loom is a shuttleless loom which adopts jet airflow to pull weft yarns to pass through a shed, and is one of the novel looms with the greatest development prospect due to the advantages of reasonable weft insertion mode, high weft insertion rate, simple, convenient and safe operation, wide variety adaptability, low machine material consumption, high efficiency, high speed, low noise and the like.
At present, the selvage mechanism of the domestic weaving machine is completed through a mechanical structure. The power of the main shaft of the loom is transmitted to the selvage twisting device through the transmission mechanism, and the selvage twisting mechanism acts once to lock the weft yarn every time the main shaft picks up the weft yarn. The mechanical selvage device can satisfy weaving of a plurality of fabrics, but has a plurality of defects.
Firstly, the mechanical selvedge twisting mechanism can complicate the structure of the loom, increase the material cost and increase the assembly difficulty, and reduce the reliability of the loom, and secondly, once the transmission relationship between the mechanical selvedge twisting mechanism and the main shaft is established, the twisting position and the twisting force of the mechanical selvedge twisting mechanism are fixed, which is inconvenient to adjust. In some elastic weft yarns with high weft shrinkage, the selvage weft shrinkage cannot be suppressed. Therefore, further improvements are needed in the art.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned prior art's defect, the utility model aims to provide an air jet loom electron hank limit electrical system solves drive mechanism and makes air jet loom's structure complicated, and material, manufacturing cost are high, and the assembly degree of difficulty is big, and the loom reliability is low, adjusts inconvenient problem.
The utility model discloses a realize above-mentioned purpose, the technical solution who adopts is:
an electronic selvage electric control system of an air jet loom comprises a signal input unit, a control unit, a human-computer interface and a driving unit, wherein the control unit comprises an ARM control board and a power supply protection circuit, and the output end of the power supply protection circuit is electrically connected with the ARM control board.
The signal input unit comprises an encoder, a first proximity switch and a second proximity switch, and the encoder, the first proximity switch and the second proximity switch are all in communication connection with the ARM control board.
The human-computer interface comprises a liquid crystal display touch screen, and the liquid crystal display touch screen is connected with the serial communication.
The driving unit comprises a first servo motor and a second servo motor, the first servo motor is in communication connection with the ARM control board through a first electronic selvage servo controller, and the second servo motor is in communication connection with the ARM control board through a second electronic selvage servo controller.
Furthermore, the ARM control board adopts a 32-bit singlechip, the input end of the power protection circuit is connected with a 24V direct-current power supply, and the 24V direct-current power supply supplies power to the liquid crystal display touch screen.
Furthermore, the output end of the encoder is in communication connection with the input end of the ARM control panel through the input high-speed optical coupling isolation circuit, and the output ends of the proximity switch I and the proximity switch II are also in communication connection with the input end of the ARM control panel through the input high-speed optical coupling isolation circuit.
Furthermore, the output end of the ARM control board is in communication connection with the input end of the output high-speed optical coupling isolation circuit, and the two output ends of the output high-speed optical coupling isolation circuit are in communication connection with the input ends of the first electronic selvage servo controller and the second electronic selvage servo controller respectively.
The output end of the first electronic selvage servo controller is electrically connected with the input end of the first servo motor, and the output end of the second electronic selvage servo controller is electrically connected with the input end of the second servo motor.
And the output end of the alternating current power supply is respectively and electrically connected with the first electronic selvage servo controller and the second electronic selvage servo controller to supply power to the first electronic selvage servo controller and the second electronic selvage servo controller.
Furthermore, the control unit comprises a first photoelectric coupler and a second photoelectric coupler, the first electronic selvage servo controller is in signal connection with the ARM control panel through the first photoelectric coupler, and the second electronic selvage servo controller is in signal connection with the ARM control panel through the second photoelectric coupler.
Furthermore, the signal interface of the liquid crystal display touch screen is in two-way communication connection with the serial port of the ARM control board through an RS232 communication line.
By adopting the technical scheme, the utility model discloses a beneficial technological effect is: the utility model discloses simple structure, low in manufacturing cost sets up through the various parameters in man-machine interface hank limit, carries out accurate control to servo controller and servo motor through the ARM control panel, greatly increased the stability and the reliability of control system operation, electron hank limit parameter sets up and the simple high efficiency of adjustment, applicable multiple type air jet loom, and the range of application is wide.
Drawings
Fig. 1 is a block diagram of an electronic selvage electric control system of an air jet loom.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
With reference to fig. 1, an electronic selvage control system for an air jet loom includes a signal input unit, a control unit, a human-computer interface and a driving unit, wherein the control unit includes an ARM control board and a power protection circuit, and an output end of the power protection circuit is electrically connected to the ARM control board. The ARM control panel adopts 32 single-chip microcomputers, the input of power protection circuit is connected with 24V DC power supply, 24V DC power supply is the LCD touch-sensitive screen power supply, and in addition, power protection circuit output 3.3V voltage, for the power supply of ARM control panel. The air jet loom is provided with two sets of selvage devices, after the air jet loom stops, the selvage devices stop along with the air jet loom, and the selvage devices need to run to a set position to stop.
The signal input unit comprises an encoder, a first proximity switch and a second proximity switch, and the encoder, the first proximity switch and the second proximity switch are all in communication connection with the ARM control board. Specifically, the output end of the encoder is in communication connection with the input end of the ARM control panel through the input high-speed optical coupling isolation circuit, and the output ends of the proximity switch I and the proximity switch II are also in communication connection with the input end of the ARM control panel through the input high-speed optical coupling isolation circuit.
The encoder is arranged on a main shaft of the air jet loom and acquires data information of the main shaft in real time, specifically, the encoder sends out a pulse signal every time the main shaft rotates by a unit angle, the pulse signal of the encoder is output through an A phase, a B phase and a Z phase, the A phase and the B phase are pulse output with a mutual delay of 1/4 periods, the rotation direction of the main shaft can be judged according to the delay relation, 2 or 4 frequency multiplication can be carried out by taking the rising edge and the falling edge of the A phase and the B phase, and the Z phase is a single-circle pulse, namely, one pulse is sent out in each circle. Under the running state of the air jet loom, data information of a main shaft collected by an encoder is transmitted to an input high-speed optical coupling isolation circuit in real time in the form of pulse signals, and the input high-speed optical coupling isolation circuit judges the rotating direction and the rotating speed of the main shaft and transmits the data information to an ARM control board.
The human-computer interface comprises a liquid crystal display touch screen, and the liquid crystal display touch screen is connected with the serial communication. The signal interface of the liquid crystal display touch screen is in two-way communication connection with the serial port of the ARM control board through an RS232 communication line, the stop position of the selvedge twisting device is set through the liquid crystal display touch screen, the liquid crystal display touch screen displays the running states of the air jet loom and the two selvedge twisting devices, and when running faults occur, the liquid crystal display touch screen displays the fault problem and feeds back signals to the ARM control board to stop.
The driving unit comprises a first servo motor and a second servo motor, the first servo motor is in communication connection with the ARM control board through a first electronic selvage servo controller, and the second servo motor is in communication connection with the ARM control board through a second electronic selvage servo controller. The output end of the ARM control board is in communication connection with the input end of the output high-speed optical coupling isolation circuit, and the two output ends of the output high-speed optical coupling isolation circuit are in communication connection with the input ends of the first electronic selvage servo controller and the second electronic selvage servo controller respectively.
Under the working state, the ARM control panel converts an output signal of the ARM control panel into a pulse signal which can be identified by the electronic selvage servo controller through an output high-speed optical coupling isolation circuit, and the selvage servo controller controls the rotating direction and the rotating speed of the servo motor according to an instruction signal of the ARM control panel, so that the direction and the rotating speed of the selvage device are matched with the rotating direction and the rotating speed of the main shaft. When the air jet loom stops, the selvage control servo controller controls the selvage device to run to a set position to stop according to the instruction signal of the RM control board.
The output end of the first electronic selvage servo controller is electrically connected with the input end of the first servo motor, and the output end of the second electronic selvage servo controller is electrically connected with the input end of the second servo motor. The electronic selvage electric control system of the air jet loom further comprises a 220V alternating current power supply, wherein the output end of the alternating current power supply is respectively and electrically connected with the first electronic selvage servo controller and the second electronic selvage servo controller to supply power to the first electronic selvage servo controller and the second electronic selvage servo controller. The electronic selvage servo controller converts 220V alternating current into direct current to supply power for a corresponding servo motor, controls the input voltage of the servo motor according to an instruction signal of an RM control board, further controls the rotating speed of the servo motor to be matched with the rotating speed of the main shaft, and stops when the vehicle stops, the electronic selvage servo controller controls the output shaft of the servo motor to rotate at a set angular position.
The control unit comprises a first photoelectric coupler and a second photoelectric coupler, the first electronic selvage servo controller is in signal connection with the ARM control panel through the first photoelectric coupler, and the second electronic selvage servo controller is in signal connection with the ARM control panel through the second photoelectric coupler. The running state of the corresponding electronic selvage servo controller is monitored by each photoelectric coupler in real time, when the electronic selvage servo controller breaks down, an alarm signal is sent to the ARM control panel, the ARM control panel sends fault information to the liquid crystal display touch screen, meanwhile, the air jet loom is controlled to stop, and after the air jet loom stops, the main shaft and the two selvage devices run to a set position to stop.
The parts not mentioned in the utility model can be realized by adopting or using the prior art for reference.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.
Claims (7)
1. An electronic selvage electric control system of an air jet loom comprises a signal input unit, a control unit, a human-computer interface and a driving unit, and is characterized in that the control unit comprises an ARM control board and a power supply protection circuit, and the output end of the power supply protection circuit is electrically connected with the ARM control board;
the signal input unit comprises an encoder, a first proximity switch and a second proximity switch, and the encoder, the first proximity switch and the second proximity switch are in communication connection with the ARM control board;
the human-computer interface comprises a liquid crystal display touch screen, and the liquid crystal display touch screen is in serial communication connection with the human-computer interface;
the driving unit comprises a first servo motor and a second servo motor, the first servo motor is in communication connection with the ARM control board through a first electronic selvage servo controller, and the second servo motor is in communication connection with the ARM control board through a second electronic selvage servo controller.
2. The electronic selvage control system of an air jet loom as claimed in claim 1, wherein the ARM control board adopts a 32-bit single chip microcomputer, the input end of the power protection circuit is connected with a 24V direct current power supply, and the 24V direct current power supply supplies power to a liquid crystal display touch screen.
3. The electronic selvage control system of an air jet loom as claimed in claim 1, wherein the output end of the encoder is in communication connection with the input end of the ARM control board through an input high-speed optical coupling isolation circuit, and the output ends of the proximity switch I and the proximity switch II are also in communication connection with the input end of the ARM control board through an input high-speed optical coupling isolation circuit.
4. The electronic selvage control system of an air jet loom as claimed in claim 1, wherein the output end of the ARM control board is in communication connection with the input end of an output high-speed optical coupling isolation circuit, and two output ends of the output high-speed optical coupling isolation circuit are in communication connection with the input ends of a first electronic selvage servo controller and a second electronic selvage servo controller respectively;
the output end of the first electronic selvage servo controller is electrically connected with the input end of the first servo motor, and the output end of the second electronic selvage servo controller is electrically connected with the input end of the second servo motor.
5. The electronic selvage control system of the air-jet loom as claimed in claim 4, further comprising a 220V alternating current power supply, wherein the output end of the alternating current power supply is electrically connected with the first electronic selvage servo controller and the second electronic selvage servo controller respectively to supply power to the first electronic selvage servo controller and the second electronic selvage servo controller.
6. The electronic selvage control system of an air jet loom as claimed in claim 1, wherein the control unit further comprises a first photoelectric coupler and a second photoelectric coupler, the first electronic selvage servo controller is in signal connection with the ARM control board through the first photoelectric coupler, and the second electronic selvage servo controller is in signal connection with the ARM control board through the second photoelectric coupler.
7. The electronic selvage control system of an air-jet loom as claimed in claim 1, wherein the signal interface of the liquid crystal display touch screen is in bidirectional communication connection with the serial port of the ARM control board through an RS232 communication line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021911392.4U CN213951486U (en) | 2020-09-04 | 2020-09-04 | Electronic selvage electric control system of air jet loom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021911392.4U CN213951486U (en) | 2020-09-04 | 2020-09-04 | Electronic selvage electric control system of air jet loom |
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| Publication Number | Publication Date |
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| CN213951486U true CN213951486U (en) | 2021-08-13 |
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| CN202021911392.4U Active CN213951486U (en) | 2020-09-04 | 2020-09-04 | Electronic selvage electric control system of air jet loom |
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