CN204166345U - Latitude control device is visited in digitizing - Google Patents
Latitude control device is visited in digitizing Download PDFInfo
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- CN204166345U CN204166345U CN201420643576.5U CN201420643576U CN204166345U CN 204166345 U CN204166345 U CN 204166345U CN 201420643576 U CN201420643576 U CN 201420643576U CN 204166345 U CN204166345 U CN 204166345U
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- bandpass filter
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Abstract
The utility model provides a kind of digitizing and visits latitude control device, comprise control panel and at least one signal processing unit, and the input end of described signal processing unit is connected to the output terminal of weft sensor; Wherein: described control panel comprises digital processing chip and is connected to described digital processing chip and output port for connecting loom main control chip; Described signal processing unit comprises the one-level bandpass filter, secondary bandpass filter, detecting circuit and the peak detection circuit that are connected successively; Described secondary bandpass filter includes the digital regulation resistance that control end is connected to digital processing chip, and this digital regulation resistance is connected to the input end of described secondary bandpass filter.The utility model can the chopping frequency of frequency converter and servo and Hz noise in filtering scene by two-stage bandpass filter, and is processed sampled signal by digital processing chip, can significantly improve the interference free performance visiting latitude control device.
Description
Technical field
The utility model relates to field of textile equipment, more particularly, relates to a kind of digitizing and visits latitude control device.
Background technology
Along with the raising of people's living standard, people are also day by day various to the demand of clothes.For meeting the demand of people to clothes, weaving mill needs to change frequently the pattern of cloth, and the requirement for the kind of fabric, quality and weaving efficiency is also more and more higher.
In the loom course of work, the accuracy of parallel signal judgement is directly affected to the quality of efficiency and the cloth of weaving cotton cloth.At present, the process of parallel signal is mainly made in two ways: mimic channel and digital circuit process.In analog circuitry processes mode, use adjustable inductance and resistance, by artificial contrast's waveform adjustment loom to best duty; And in digital circuit processing mode, utilize high-speed computational capability and the programmed method flexibly of digit chip, by the adjustment of the automatic completing circuit of chip that can be digital regulated.
, there is the problem that can not automatically regulate in the simulation feeler plate of above-mentioned employing analog circuitry processes mode, and is subject to the impact of vibrations and temperature in the course of the work.Above-mentioned feeler plate life cycle is shorter, and after using a period of time, due to device, the accuracy of judgement declines, and as will be efficiently worked, needs the feeler plate more renewed.
Existing mimic channel and digital circuit processing mode are all whether simple detection parallel is come, and the angle not in conjunction with loom judges, when visiting latitude head or feeler plate is disturbed, accuracy rate declines obviously.And existing scheme all do not show that parallel arrives time waveform, loom is when needing the yarn of multiple color, and the yarn that can not show different colours, on the impact visiting latitude sensitivity, is unfavorable for carrying out optimum adjustment to the sensitivity of feeler plate.
In addition, existing feeler plate only supports the spy latitude head of single variety, by the restriction of producer and price, and air-jet loom and water-jet loom poor compatibility.
Utility model content
The technical problems to be solved in the utility model is, for the problem that above-mentioned feeler plate is easily disturbed, provides a kind of digitizing to visit latitude control device.
The technical scheme that the utility model solves the problems of the technologies described above is, provides a kind of digitizing to visit latitude control device, comprise control panel and at least one signal processing unit, and the input end of described signal processing unit is connected to the output terminal of weft sensor; Wherein: described control panel comprises digital processing chip and is connected to described digital processing chip and output port for connecting loom main control chip; Described signal processing unit comprises the one-level bandpass filter, secondary bandpass filter, detecting circuit and the peak detection circuit that are connected successively, and the analog to digital conversion mouth that the input end of described one-level bandpass filter is connected to the output terminal of weft sensor, the output terminal of described peak detection circuit is connected to the digital processing chip of control panel; Described secondary bandpass filter includes the digital regulation resistance that control end is connected to digital processing chip, and this digital regulation resistance is connected to the input end of described secondary bandpass filter.
Visit in latitude control device in digitizing described in the utility model, described signal processing unit also comprises differential amplifier circuit, and described one-level bandpass filter is connected with weft sensor via differential amplifier circuit.
Visit in latitude control device in digitizing described in the utility model, described control panel also comprises the input port for connecting loom main shaft motor encoder, and this input port is connected to digital processing chip.
Visit in latitude control device in digitizing described in the utility model, described control panel also comprises CAN communication module, and described digital processing chip is via this CAN communication model calling human-computer interaction interface.
Visit in latitude control device in digitizing described in the utility model, described device includes two signal processing units.
Visit in latitude control device in digitizing described in the utility model, described digital processing chip is the control chip of ARM core.
Visit in latitude control device in digitizing described in the utility model, described control panel comprises driving port, and described digital processing chip sends the drive singal of fixed frequency by driving port to weft sensor.
Digitizing of the present utility model is visited latitude control device and is had following beneficial effect: can the chopping frequency of frequency converter and servo and Hz noise in filtering scene by two-stage bandpass filter, and by digital processing chip, sampled signal is processed, the interference free performance visiting latitude control device can be significantly improved.Further, above-mentioned digital processing chip also can connect loom main shaft motor encoder to obtain loom angle signal, judges the state of the parallel of loom more accurately, also can reduce the possibility of erroneous judgement when being disturbed greatly.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that latitude control device first embodiment is visited in the utility model digitizing.
Fig. 2 is the schematic diagram that latitude control device second embodiment is visited in the utility model digitizing.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, be the schematic diagram that latitude control device first embodiment is visited in the utility model digitizing, it can be applicable in loom, realizes parallel signal and judges.Digitizing in the present embodiment is visited latitude control device and is comprised control panel 12 and at least one signal processing unit 11, and the input end of signal processing unit 11 is connected to the output terminal of weft sensor.Control panel 12 comprises digital processing chip 121 and is connected to digital processing chip 121 and output port for connecting loom main control chip; Signal processing unit 11 comprises the one-level bandpass filter 111, secondary bandpass filter 112, detecting circuit 113 and the peak detection circuit 114 that are connected successively, and the analog to digital conversion mouth that the input end of one-level bandpass filter 111 is connected to the output terminal of weft sensor, the output terminal of peak detection circuit 114 is connected to the digital processing chip 121 of control panel 12.Above-mentioned secondary bandpass filter 112 includes the digital regulation resistance that control end is connected to digital processing chip 121, and this digital regulation resistance is connected to the input end of described secondary bandpass filter, and its value is relevant to the size of secondary bandpass filter 112 input signal.
Above-mentioned control panel 12 pairs of weft sensors use fixed frequency to drive, and when parallel signal being detected, weft sensor exports in the mode of amplitude modulation.First signal processing unit 11 makes signal carry out filtering by one-level bandpass filter 111 and secondary bandpass filter 112 and amplify process, the chopping frequency of frequency converter and servo and Hz noise in filtering scene, by two-stage bandpass filter, useful signal is amplified to a suitable scope, facilitate the detecting circuit 113 of back modulation signal demodulation out, digital processing chip 121 is given modulation signal by ADC (analog to digital conversion) oral instructions of digital processing chip 121 again through peak detection circuit 114, the value of the digital regulation resistance of secondary bandpass filter 112 is regulated after the signal transacting of digital processing chip 121 pairs of ADC mouths, make digital weft detecting device be in an optimum duty always.
Above-mentioned digitizing is visited latitude control device and is overcome the shortcoming that simulation feeler plate is easily subject to temperature and vibration influence, by using digital regulation resistance and digital processing chip 121, automatically can regulate according to parallel type, solve the difficult problem that simulation feeler plate in use needs manual shift, and improve the life cycle visiting latitude control device.
As shown in Figure 2, be the schematic diagram that latitude control device second embodiment is visited in the utility model digitizing.Digitizing in the present embodiment is visited latitude control device and is comprised control panel 22 and at least one signal processing unit 21 equally, and signal processing unit 21 comprises the one-level bandpass filter 212, secondary bandpass filter 213, detecting circuit 214 and the peak detection circuit 215 that are connected successively, control panel 22 comprises digital processing chip 221.Above-mentioned signal processing unit 21 also comprises differential amplifier circuit 211, and the input end that the input end of this differential amplifier circuit 211 is connected to the output terminal of weft sensor, output terminal is connected to one-level bandpass filter 212.Above-mentioned differential amplifier circuit, equally for filtering, can further improve the interference free performance of device.
In addition, above-mentioned control panel 22 also can comprise the input port for connecting loom main shaft motor encoder, and this input port is connected to digital processing chip 221.By gathering loom angle signal, judging the state of the parallel of loom more accurately, also can reduce the possibility of erroneous judgement when being disturbed greatly.
Control panel 22 also comprises CAN communication module 222, and digital processing chip 221 connects human-computer interaction interface via this CAN communication module 222, thus can realize the display of parallel signal.
Especially, latitude control device is visited in above-mentioned digitizing can comprise two signal processing units 21, and the input end of these two signal processing units 21 connects different weft sensor (such as detect sensor that whether weft yarn arrive and for detecting the whether long sensor of weft yarn) respectively.
Above-mentioned digital processing chip 221 can adopt the control chip of ARM core.This digital processing chip 221 can coordinate quicker and stable CAN communication module and host computer (human-computer interaction interface) to carry out alternately; and can the parallel signal that arrives of storage of collected; and export in the form of images; data foundation is provided to the detection case of different yarns and degree of accuracy for analyzing spy latitude control device; simultaneously when shutting down; host computer can be checked parallel detection case several times before loom, the shutdown reason of fault cues to loom in conjunction with control system accurately judges.
The above; be only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (7)
1. a latitude control device is visited in digitizing, it is characterized in that: comprise control panel and at least one signal processing unit, and the input end of described signal processing unit is connected to the output terminal of weft sensor; Wherein: described control panel comprises digital processing chip and is connected to described digital processing chip and output port for connecting loom main control chip; Described signal processing unit comprises the one-level bandpass filter, secondary bandpass filter, detecting circuit and the peak detection circuit that are connected successively, and the analog to digital conversion mouth that the input end of described one-level bandpass filter is connected to the output terminal of weft sensor, the output terminal of described peak detection circuit is connected to the digital processing chip of control panel; Described secondary bandpass filter includes the digital regulation resistance that control end is connected to digital processing chip, and this digital regulation resistance is connected to the input end of described secondary bandpass filter.
2. latitude control device is visited in digitizing according to claim 1, it is characterized in that: described signal processing unit also comprises differential amplifier circuit, and described one-level bandpass filter is connected with weft sensor via differential amplifier circuit.
3. latitude control device is visited in digitizing according to claim 1, it is characterized in that: described control panel also comprises the input port for connecting loom main shaft motor encoder, and this input port is connected to digital processing chip.
4. latitude control device is visited in digitizing according to claim 1, and it is characterized in that: described control panel also comprises CAN communication module, described digital processing chip is via this CAN communication model calling human-computer interaction interface.
5. latitude control device is visited in the digitizing according to any one of claim 1-4, it is characterized in that: described device includes two signal processing units.
6. latitude control device is visited in the digitizing according to any one of claim 1-4, it is characterized in that: described digital processing chip is the control chip of ARM core.
7. latitude control device is visited in the digitizing according to any one of claim 1-4, it is characterized in that: described control panel comprises driving port, and described digital processing chip sends the drive singal of fixed frequency by driving port to weft sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420643576.5U CN204166345U (en) | 2014-10-30 | 2014-10-30 | Latitude control device is visited in digitizing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420643576.5U CN204166345U (en) | 2014-10-30 | 2014-10-30 | Latitude control device is visited in digitizing |
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| Publication Number | Publication Date |
|---|---|
| CN204166345U true CN204166345U (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420643576.5U Expired - Fee Related CN204166345U (en) | 2014-10-30 | 2014-10-30 | Latitude control device is visited in digitizing |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106066344A (en) * | 2016-06-17 | 2016-11-02 | 山东易码智能科技股份有限公司 | A kind of digital Weft search unit weaved and method thereof |
| CN110266332A (en) * | 2019-07-22 | 2019-09-20 | 复汉海志(江苏)科技有限公司 | A kind of anti-tampering signal processing system and its method suitable for bluetooth headset |
| CN111811545A (en) * | 2020-06-04 | 2020-10-23 | 苏州汇川技术有限公司 | Loom weft detecting method, system, device and computer readable storage medium |
-
2014
- 2014-10-30 CN CN201420643576.5U patent/CN204166345U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106066344A (en) * | 2016-06-17 | 2016-11-02 | 山东易码智能科技股份有限公司 | A kind of digital Weft search unit weaved and method thereof |
| CN106066344B (en) * | 2016-06-17 | 2019-03-19 | 山东易码智能科技股份有限公司 | A kind of digital Weft search unit and its method of weaving |
| CN110266332A (en) * | 2019-07-22 | 2019-09-20 | 复汉海志(江苏)科技有限公司 | A kind of anti-tampering signal processing system and its method suitable for bluetooth headset |
| CN111811545A (en) * | 2020-06-04 | 2020-10-23 | 苏州汇川技术有限公司 | Loom weft detecting method, system, device and computer readable storage medium |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150218 Termination date: 20201030 |