CN201926883U - Interface circuit for Piezo needle selection control of jacquard warp-knitting machine - Google Patents
Interface circuit for Piezo needle selection control of jacquard warp-knitting machine Download PDFInfo
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- CN201926883U CN201926883U CN 201020667711 CN201020667711U CN201926883U CN 201926883 U CN201926883 U CN 201926883U CN 201020667711 CN201020667711 CN 201020667711 CN 201020667711 U CN201020667711 U CN 201020667711U CN 201926883 U CN201926883 U CN 201926883U
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Abstract
The utility model relates to an interface circuit for the Piezo needle selection control of a jacquard warp-knitting machine. The interface circuit comprises a binary word length or tetrad word length interface so as to control the displacement and actions of needles of two jacquard thread guide needle blocks fixed on two separated jacquard thread guide combs occupying half machine interval. The interface circuit is characterized by comprising a microprocessor unit used for converting received or stored decorative pattern codes into control signals, outputting the control signals and providing a binary word length or tetrad word length output interface, and a circuit connected at the output interface of the output interface and used for optoelectronic isolation and driving. The interface circuit is used for the needle selection control of the Piezo guide needles so as to ensure the direct generation of decorative pattern codes of needle selection control, to save the generation time of needle selection control codes compiled by the microprocessor as well as the program code space, and to achieve real-time needle selection control, thus creating conditions for the microprocessor in the aspect of intelligent control of many other fields; and besides, the interface circuit realizes the direct control of the Piezo needle selection of the broche jacquard warp-knitting machine.
Description
Technical field
The utility model relates to the microprocessor control technology, is based on a jacquard warp Chinese mugwort state needle selection control interface circuit of microprocessor technology.
Background technology
Jacquard warp Jacquard device is since 1884 come out, develop into electromagnetic type and present piezoelectric type from mechanical type, Chinese mugwort state Jacquard system promptly, thoroughly having changed the Jacquard device needs the characteristics of numerous and diverse parts such as harness cord, shift needle, the mechanism of jacquard warp jacquard weave part is simplified greatly, and speed has had large increase.In addition, cooperate with area of computer aided flower type design system, accelerated the design of jacquard warp-knitting fabric, simplified knitting technology, shortened the upgrading period of product, the successful exploitation of a Chinese mugwort state Jacquard has promoted making constant progress of tricot machine equipment.
Chinese mugwort state Jacquard element be used to control Jacquard sley point on the tricot machine about skew, it is made up of two piezoelectric ceramics, middle wherein piezoelectric ceramics has " inverse piezoelectric effect " by glass layer isolation (insulation), is placed on external electric field to produce geometry deformation; Add alternately that in a both sides of Chinese mugwort state Jacquard element the 200V DC voltage makes the piezoelectric ceramics distortion, and then sley point is offset to the left or to the right; Contrary just piezoelectric ceramics effect, make the piezoelectric type sley point can keep certain skew, locating piece is all arranged, guaranteed accurate offset orientation on two sides, the Jacquard sley point left and right sides, the skew that the Jacquard sley point is left or right according to certain rules forms braid or thick or thin tissue.
Utilize common Zemo, can generate the byte code of braiding to numeral, literal, portrait, decorative pattern, pattern etc., by network technology or from storing technology, microprocessor is directly exported to control interface to the decorative pattern byte code.
Summary of the invention
The purpose of this utility model is to provide an a kind of lappet type jacquard warp Chinese mugwort state needle selection control interface circuit based on microprocessor technology, be used for a needle selection control of Chinese mugwort state sley point, to guarantee the direct output of needle selection control decorative pattern coding, save the rise time and the program code space of microprocessor compiling needle selection control coding, realize the real-time of needle selection control, and be engaged in other more Based Intelligent Control for microprocessor and create conditions.
For solving its technical matters, the lappet type jacquard warp Chinese mugwort state needle selection control interface circuit that the utility model provides based on microprocessor technology, it is characterized in that it comprises: the decorative pattern code conversion that will receive or store certainly becomes the microprocessor unit of control signal output; Microprocessor unit provides the output interface of 2 word lengths or 4 word lengths; Be connected the microprocessor output interface, be used for the circuit that photoelectricity is isolated and driven.
More excellent, described microprocessor unit provides the output interface of 2 word lengths to comprise: have each delivery outlet signal formation complementary output circuit, form the output signal of 4 word lengths of 2 groups of complementary outputs.
More excellent, described microprocessor unit provides the output interface of 4 word lengths to comprise: the output signal that directly forms 4 word lengths of 2 groups of complementary outputs.
More excellent, described photoelectricity is isolated and driving circuit comprises: be connected light current and forceful electric power buffer circuit that output interface is used for control signal; Be connected the buffer circuit output terminal and be used to provide the direct current 200V switching mode circuit of output.
Compare with conventional art, the utlity model has following beneficial effect:
According to a technological requirement of Chinese mugwort state jacquard warp, and the installation requirement of a Chinese mugwort state Jacquard pin piece, on a drive plate, need to drive two Chinese mugwort state Jacquard pin pieces, a Chinese mugwort state Jacquard pin piece has 16 needle selections, and every Chinese mugwort state Jacquard needle selection is complementary control, thereby, need to provide 64 control signals on the every drive plate, 32 of 2 groups of complementary outputs control signals in other words, in the conventional art, require microprocessor unit that 32 interfaces or 64 interfaces are provided, and connect the on-off circuit of each needle selection by turn by interface order, like this, according to the installation relation of two pieces Chinese mugwort state Jacquard pin pieces on the drive plate, just must control encoded byte to needle selection effectively splits, after adopting the utility model technology, need not needle selection control encoded byte is split and directly output, save the rise time and the program code space of microprocessor compiling needle selection control coding, realize the real-time of needle selection control, and be engaged in other more Based Intelligent Control for microprocessor and create conditions.
Description of drawings
Fig. 1 is the utility model 2 word length output interface circuit synoptic diagram.
Fig. 2 is the utility model 4 word length output interface circuit synoptic diagram.
Embodiment
Embodiment 1: the 2 word length output interface circuit synoptic diagram that the utility model discloses:
Referring to Fig. 1, a jacquard warp Chinese mugwort state needle selection control interface circuit comprises: the microprocessor unit 100 that 2 word length output interfaces are provided, has the circuit 110 that each delivery outlet signal is formed complementary output, be used for the light current of control signal and 120, two Chinese mugworts of switch control unit state Jacquard pin piece 130 that direct current 200V output is isolated and provided to forceful electric power.
Described microprocessor unit 100 can provide 2 word length output interfaces, is used for the control output of decorative pattern coded signal, as adopts 8 single-chip microcomputers, generally needs 2 parallel interfaces of expansion, has 8155 or 8255; Also can adopt STM32 (ARM Cor tex-M3) 32 8-digit microcontrollers (48 pin are above), generally not need to expand again parallel interface.
Described complementary output circuit 110 can directly be realized by not gate.The light current of described control signal and forceful electric power are isolated and direct current 200V are provided the switch control unit 120 of output, can be realized by optocoupler such as 6N137 etc. and transistor switching circuit.The light current of described complementary output circuit 110 and control signal and forceful electric power are isolated and direct current 200V are provided the switch control unit 120 of output, can select solid-state relay LH1502, have both realized complementary control, realize that again photoelectricity is isolated and switch control.
Described two Chinese mugwort state Jacquard pin pieces 130 are two Chinese mugwort state Jacquard pin pieces, and each Chinese mugwort state Jacquard pin piece has 16 needle selections, and every Chinese mugwort state Jacquard needle selection is complementary control.Wherein odd number face pin piece needle selection is numbered A1 ~ A16, and when pin A1.0 side was the 200V DC voltage, pin A1.1 side was the 0V DC voltage, by that analogy.In like manner, even number face pin block number is B1 ~ B16, and when pin B1.0 side was the 200V DC voltage, pin B1.1 side was the 0V DC voltage, by that analogy.
Described the utility model output interface circuit, the corresponding annexations of outstanding behaviours 32 pin controls in interface line that microprocessor unit 100 provides and two Chinese mugwort state Jacquard pin pieces 130.
Embodiment 2: the 4 word length output interface circuit synoptic diagram that the utility model discloses:
Referring to Fig. 2, a jacquard warp Chinese mugwort state needle selection control interface circuit comprises: the microprocessor unit 200 that 4 word length output interfaces are provided, be used for the light current of control signal and 210, two Chinese mugworts of switch control unit state Jacquard pin piece 220 that direct current 200V output is isolated and provided to forceful electric power.
Described microprocessor unit 200 can provide 4 word length output interfaces, be used for the control output of decorative pattern coded signal, as adopt STM32 (ARM Cor tex-M3) 32 8-digit microcontrollers (100 pin are above), 4 word length parallel interfaces of 2 groups of complementary outputs can directly be provided.
Described employing photoelectricity form is provided by the switch control unit 210 that light current and forceful electric power are isolated and provided direct current 200V to export, and can select solid-state relay LH1502, has both realized complementary control, realizes that again photoelectricity is isolated and switch control.
Described two Chinese mugwort state Jacquard pin pieces 220 are two Chinese mugwort state Jacquard pin pieces, and each Chinese mugwort state Jacquard pin piece has 16 needle selections, and every Chinese mugwort state Jacquard needle selection is complementary control.Wherein odd number face pin piece needle selection is numbered A1 ~ A16, and when pin A1.0 side was the 200V DC voltage, pin A1.1 side was the 0V DC voltage, by that analogy.In like manner, even number face pin block number is B1 ~ B16, and when pin B1.0 side was the 200V DC voltage, pin B1.1 side was the 0V DC voltage, by that analogy.
Described the utility model output interface circuit, the corresponding annexations of outstanding behaviours 32 pin controls in interface line that microprocessor unit 200 provides and two Chinese mugwort state Jacquard pin pieces 220.
Claims (2)
1. a jacquard warp Chinese mugwort state needle selection control interface circuit is characterized in that it comprises: the microprocessor unit that the decorative pattern code conversion that will receive or store certainly becomes control signal to export; Microprocessor unit provides the output interface of 2 word lengths or 4 word lengths; Be connected the microprocessor output interface, be used for the circuit that photoelectricity is isolated and driven.
2. a jacquard warp according to claim 1 Chinese mugwort state needle selection control interface circuit, it is characterized in that: the circuit that described photoelectricity is isolated and driven comprises that being connected output interface is used for the light current and the forceful electric power buffer circuit of control signal and is connected the buffer circuit output terminal being used to provide the direct current 200V switching mode circuit of output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020667711 CN201926883U (en) | 2010-12-20 | 2010-12-20 | Interface circuit for Piezo needle selection control of jacquard warp-knitting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020667711 CN201926883U (en) | 2010-12-20 | 2010-12-20 | Interface circuit for Piezo needle selection control of jacquard warp-knitting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201926883U true CN201926883U (en) | 2011-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020667711 Expired - Fee Related CN201926883U (en) | 2010-12-20 | 2010-12-20 | Interface circuit for Piezo needle selection control of jacquard warp-knitting machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN201926883U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103576592A (en) * | 2013-11-15 | 2014-02-12 | 福建宏宇电子科技有限公司 | System and method for controlling guy jacquard |
| CN104328600A (en) * | 2014-11-12 | 2015-02-04 | 江南大学 | Design and implementation method for float starting control program of float type jacquard warp knitting machine |
| CN108646633A (en) * | 2018-06-26 | 2018-10-12 | 常州旭禾自动化技术有限公司 | A kind of cpu control circuit plate and its working method, a kind of piezoelectric jacquard control system |
-
2010
- 2010-12-20 CN CN 201020667711 patent/CN201926883U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103576592A (en) * | 2013-11-15 | 2014-02-12 | 福建宏宇电子科技有限公司 | System and method for controlling guy jacquard |
| CN104328600A (en) * | 2014-11-12 | 2015-02-04 | 江南大学 | Design and implementation method for float starting control program of float type jacquard warp knitting machine |
| CN108646633A (en) * | 2018-06-26 | 2018-10-12 | 常州旭禾自动化技术有限公司 | A kind of cpu control circuit plate and its working method, a kind of piezoelectric jacquard control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20111220 |