CN2665769Y - Closed loop fuzzy multifunctional controller for knitting machine - Google Patents
Closed loop fuzzy multifunctional controller for knitting machine Download PDFInfo
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- CN2665769Y CN2665769Y CN 03256002 CN03256002U CN2665769Y CN 2665769 Y CN2665769 Y CN 2665769Y CN 03256002 CN03256002 CN 03256002 CN 03256002 U CN03256002 U CN 03256002U CN 2665769 Y CN2665769 Y CN 2665769Y
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- knitting machine
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Abstract
The utility model relates to a fuzzy multifunctional controller used for loop-closing of a knitting machine. The utility model comprises a low voltage power-supply DC conversion disturbing isolator, various failure sensors and warning indicators, operation buttons arranged on the knitting machine, an MPU which receives various failure and operation signals, a driving circuit and an executive device of the knitting machine controlled by the MPU, an input signal anti-disturbing wave-filtering and converting device which carries out anti-disturbing and fuzzy treatment to the signals of the operation buttons on the knitting machine and various failure sensors, a transducer part which checks the loop-closing of the running of the transducer, a panel controlling and displaying device which is provided with failure indicator lights and function keys and a data memory which record the data through an SRAM. The controller of the utility model with the structure has the advantages that the operation is easy; the anti-disturbing capability is good; the running is stable; the automatic degree is high, etc. The controller of the utility model can play an important role in enhancing the product quality and quantity of the knitting machine.
Description
(1) technical field
The utility model relates to the controller in a kind of circular knitting machine electric control system, refers in particular to and has adopted the close-loop feedback protection, prevents the have an injection fuzzy multifunctional controller of a kind of knitting machine closed loop of fault of knitting machine.
(2) background technology
In the circular knitting machine electric control system, most critical be Anti-Jamming Technique.In long-term use, insurmountable always defective has to the electric controller of all kinds of circular knitting machines in the past:
One. out of control because of the controller computer intralamellar part, do not shut down when causing broken yarn and cause and have an injection, thereby make the circular knitting machine loss serious;
Two. relatively poor because of controller computer slab integral anti-interference, if when client's environment for use is abominable relatively, can cause the jumping electricity of unknown cause to shut down, thereby the phenomenon that causes part or all of record data to lose make the client can't carry out data and gather;
Three. because of the resistance to overturning of controller computer plate relatively poor, so relevant control module failure rate is than higher, as blower system, injection system etc.;
Above a few class phenomena of the failure that circular knitting machine exists have sudden and randomness, so the quality of knitted fabric product is caused many influences, can't satisfy the further needs of client to the knitted fabric product.Therefore solve mistakenly stop machine and the out-of-control phenomenon that overcomes circular knitting machine, realize that the highly effective and safe operation is a urgent problem in the industry.
(3) utility model content
The purpose of this utility model is to solve the problem that prior art exists, and designs a kind of easy to operate, good in anti-interference performance, the fuzzy multifunctional controller of knitting machine closed loop reliable, that automaticity is high.
The purpose of this utility model is achieved in that
A kind of knitting machine closed loop is blured multifunctional controller, comprising:
Isolator is disturbed in the conversion of low-voltage power supply direct current: be made up of rectification circuit, anti-interference inverter circuit, mu balanced circuit and electric voltage observation circuit, the DC low-voltage of generation is the supply voltage of described controller;
Microprocessor: the frequency converter signal that input signal comprises all kinds of fault-signals from knitting machine, control the motor rotary speed of knitting machine and the operation signal of knitting hands-operation button, output signal goes to control the topworks to the knitting machine operation;
Driving circuit and topworks: controlled by described microprocessor, knitting machine is carried out operation, form by the out-expander, optical coupling isolation circuit and the actuating mechanism circuit that are connected with the output connecting pin of microprocessor, by the operation of topworks's execution knitting machine;
Panel control and panel display: be equipped with the LED display window; Also be equipped with the display lamp of indication corresponding failure and the operating key of control relevant work parts, the signal of described panel control and panel display is from the output connecting pin of the described microprocessor signal through optical coupling isolation circuit;
Sensor and warning indicator: form by all kinds of fault sensors and the corresponding alarm lamp that is installed on the knitting machine thereof, the corresponding component that produces fault on all kinds of fault sensors and the described knitting machine is connected, the signal of all kinds of fault sensors alarm lamp that is input to the display lamp of the indication corresponding failure on described panel control and the panel display and is installed on the correspondence on the knitting machine in parallel simultaneously, in addition, the signal of all kinds of fault sensors is delivered to the input pin of microprocessor after anti-interference filtration is handled;
Frequency converter parts: be connected between the input end of the output terminal of described microprocessor and input signal anti-interference filtration and converter, be made up of the optical coupling isolation circuit that is connected with the output connecting pin of microprocessor, holding circuit and described frequency converter, the signal of frequency converter outputs to microprocessor input pin after anti-interference filtration is handled;
Input signal anti-interference filtration and converter: be connected between the input end of the output terminal of described sensor and warning indicator, frequency converter parts and knitting hands-operation button and microprocessor, the signal that enters microprocessor is carried out anti-interference filtration handle, form by the optical coupling isolation circuit and the diode circuit that are connected with the output of described all kinds of fault sensors, be connected with the output of described frequency converter parts and be connected with the output of described knitting hands-operation button;
Data recorder: adopt the SRAM storage and write down the parameter of described microprocessor control knitting machine operation.
Effect of the present utility model:
One, in the utility model, the frequency converter running status has been carried out closed-loop control, changed in the same quasi-controller of prior art, just adopt the situation of the fault-signal that detects frequency converter itself, in fact the frequency converter failure signal often only produces in operational process, even fault-signal produces when output, therefore, the fault-signal of detection frequency converter itself can not in time be found the fault on the transmission link, this is the main cause that causes knitting machine to have an injection, the utility model detects frequency converter operation closed loop, that is, be in operation, microprocessor constantly carries out fault detect, and the result who detects is carrying out feeding back to microprocessor in the frequency control through frequency converter to knitting machine, so that microprocessor is correctly controlled the operation of knitting machine according to the feedback signal of testing result and frequency converter, has improved the knitting machine reliability of operation greatly.
Two, the utility model was provided with input signal anti-interference filtration and converter before the input signal of microprocessor, the effect of these parts:
1, utilizes the Fuzzy Processing technology that signal is carried out special processing, make microcomputer shorten the time of controlling for the jitter integration that disappears, also can reduce loss in case break down;
2, to the signal of various sensors, when adopting light-coupled isolation undesired signal is utilized the decay of diode guiding, effectively solved because the blocking action that produces sensor signal is disturbed in frequency conversion, this not only imports signal effect to sensor signal on longer line fairly obvious, and transmit also very favourable to the output control signal of frequency converter;
3, various input signals are carried out synchronous sampling technique, make input signal and output signal have a regular time poor, reduced the waveform competition.
Three, the anti-interference isolation technology of safety is adopted in the power supply of core component, the low-and high-frequency in the electrical network is disturbed carried out effective isolation.
Four, the utility model carries out low-voltage control to electrical network, and the fluctuation of electrical network and the fault of frequency converter write down (user can not remove) with SRAM, provide strong help to maintenance.
In sum, adopt the controller of the knitting machine of the present utility model of said structure to have easy to operate, good in anti-interference performance, reliable, automaticity advantages of higher, therefore, controller of the present utility model plays important effect to quality and the output that improves the knitting machine product.
For further specifying above-mentioned purpose of the present utility model, design feature and effect, the utility model is described in detail below with reference to accompanying drawing.
(4) description of drawings
Fig. 1 is the electric theory diagram of controller of the present invention;
Fig. 2 implements illustration for the electronic circuit of controller of the present invention;
Fig. 3 is the panel control of controller of the present invention and the structural drawing of panel display.
Main symbol description among Fig. 3:
1, LED display window shows rotating speed, output etc. 2, last broken yarn alarm lamp INPUT YARN
3, following broken yarn alarm lamp OUTPUT YARN 4, gate inhibition's pilot lamp DOOR
5, probe alarm lamp NEEDLE 6, cropping pilot lamp TAKE-UP
7, oil starvation alarm lamp OILER 8, frequency converter failure pilot lamp INVERTER
9, rag alarm lamp SCANNER 10, motor ON/OFF key MOTOR
11, blower fan ON/OFF key FAN 12, pressure crawl ON/OFF key MPF BYPASS
13, according to cloth lamp ON/OFF key LIGHT 14, zero key RESET
15, ten key 16, enter key ENTER
17, " powered-down " key OFF 18, " power-on " key ON
19, total key TOTAL 20, "start" button START
21, reading key READ 22, " stopping " key STOP
23, setting key SETUP 24 " crawl " key JOG
25, order of classes or grades at school options button SELECT 26, order of classes or grades at school pilot lamp A.B.C
(5) embodiment
Below in conjunction with the accompanying drawing of the utility model embodiment, embodiment of the present utility model is elaborated.
Referring to Fig. 1,2.
A kind of knitting machine closed loop of the present utility model is blured multifunctional controller, comprising:
Microprocessor 203:, integral body control is carried out in the operation of knitting machine 201 by the program that designs in advance.The input signal of described microprocessor 203 comprises the operation signal of all kinds of fault-signals, frequency converter signal and knitting hands-operation button 209 from knitting machine 201, and output signal goes to control the topworks to knitting machine 201 operations.Microprocessor 203 described in the present embodiment adopts 89C52.
Driving circuit and topworks 202: be subjected to described microprocessor 203 controls, knitting machine 201 is carried out operation, promptly, when microprocessor 203 is pressed the program of design in advance, the signal of input all just often, microprocessor 203 output signals are to driving circuit and topworks 202, knitting machine 201 is normally moved, otherwise, when microprocessor 203 obtains all kinds of fault-signal, output signal is to driving circuit and topworks 202, make knitting machine 201 out of service, described driving circuit and topworks 202 are the out-expanders (8243) that are connected by with the P20-26 output connecting pin of microprocessor 203, optical coupling isolation circuit (TLP521-4), topworks forms, and topworks is made up of driving circuit (1413) and executive component (4123), is carried out the operation operation of knitting machine 201 by described topworks.
Panel control and panel display 208 (referring to Fig. 3): be equipped with LED display window 1, show rotating speed, output etc.; Also be equipped with the display lamp of indication corresponding failure, comprise: go up broken yarn alarm lamp 2, following broken yarn alarm lamp 3, probe alarm lamp 5, rag alarm lamp 9, oil-break alarm lamp 7, safety door pilot lamp 4, cropping pilot lamp 6 and frequency converter failure pilot lamp 8; Also be equipped with the operating key of control relevant work parts, comprise: motor ON/OFF key 10, blower fan ON/OFF key 11 is forced crawl ON/OFF key 12, according to cloth lamp ON/OFF key 13, zero key 14, ten key 15, enter key 16, " powered-down " key 17, " power-on " key 18, sum key 19, "start" button 20, reading key 21, " stop " key 22, setting key 23, " crawl " key 24, order of classes or grades at school options button 25 and order of classes or grades at school pilot lamp (A, B, C) 26.The signal of control of panel described in the present embodiment and panel display 208 is from the P20-24 of microprocessor 203 and the T0 output connecting pin signal through optical coupling isolation circuit (TLP521-4).
Sensor and warning indicator 210: form by all kinds of fault sensors and the alarm lamp that is installed on the correspondence on the knitting machine 201 thereof, the corresponding component that produces fault on described all kinds of fault sensor and the described knitting machine 201 is connected, the signal of all kinds of fault sensors alarm lamp that is input to the display lamp of the indication corresponding failure on described panel control and the panel display 208 and is installed on the correspondence on the knitting machine 201 in parallel simultaneously, in addition, the signal of all kinds of fault sensors is delivered to microprocessor 203 after anti-interference filtration is handled, when each service part of knitting machine 201 all is in just often, as mentioned above, microprocessor 203 output signals are to driving circuit and topworks 202, knitting machine 201 is normally moved, otherwise, when having one to break down in these service parts, the signal transducer of these parts sends signal, on panel control and panel display 208 and carry out fault on the knitting machine 201 and show, this fault-signal is delivered to microprocessor 203 after anti-interference filtration is handled simultaneously, microprocessor 203 output signals make knitting machine 201 out of service to driving circuit and topworks 202.Sensor and warning indicator 210 comprise in the present embodiment: go up yarn break sensor 2a and go up broken yarn alarm lamp 2b; Following yarn break sensor 3a reaches broken yarn alarm lamp 3b down; Probe sensor 5a and probe alarm lamp 5b; Rag sensor 9a and rag alarm lamp 9b; Oil-break sensor 7a and oil-break alarm lamp 7b; Safety door sensor 4a and safety door pilot lamp 4b; Cropping pilot lamp 6b; Frequency converter failure pilot lamp 8b.The wherein said yarn break sensor 2a that goes up, following yarn break sensor 3a, probe sensor 5a, rag sensor 9a, oil-break sensor 7a, safety door sensor 4a are the switches that adopts monitoring probe type, and every class probe allows a plurality of and connects.As mentioned above, wherein go up broken yarn alarm lamp 2b, following broken yarn alarm lamp 3b, probe alarm lamp 5b, rag alarm lamp 9b, oil-break alarm lamp 7b, safety door pilot lamp 4b, cropping pilot lamp 6b and frequency converter failure pilot lamp 8b are installed on the knitting machine 201, and respectively with Fig. 3 in panel control and the last broken yarn alarm lamp 2 on the panel display 208, following broken yarn alarm lamp 3, probe alarm lamp 5, rag alarm lamp 9, oil-break alarm lamp 7, safety door pilot lamp 4, cropping pilot lamp 6 and frequency converter failure pilot lamp 8 are connected in parallel, that is, if when a certain fault takes place, example: when knitting machine occurred going up the broken yarn fault, the last broken yarn alarm lamp 2 on the last broken yarn alarm lamp 2b on the knitting machine 201 and panel control and the panel display 208 lighted the indication of reporting to the police simultaneously.
Frequency converter parts 206: be connected between the input end of the output terminal of described microprocessor 203 and input signal anti-interference filtration and converter 207, be in operation, microprocessor 203 constantly carries out fault detect, and the result who detects is carrying out feeding back in the frequency control microprocessor 203 through frequency converter parts 206 to knitting machine 201, so that microprocessor 203 is correctly controlled the operation of knitting machine 201 according to the feedback signal of the testing result of described sensor and warning indicator 210 and frequency converter parts 206, knitting machine 201 reliabilities of operation have been improved.Described frequency converter parts 206 are by forming with the TXD of microprocessor 203, optical coupling isolation circuit (TLP521-4), holding circuit (555) that the T1 output connecting pin is connected and the frequency converter of controlling the motor rotary speed of described knitting machine 201, and the signal of frequency converter outputs to the input pin of microprocessor after anti-interference filtration is handled;
Input signal anti-interference filtration and converter 207: be connected between the input end of the output terminal of described sensor and warning indicator 210, frequency converter parts 206 and knitting hands-operation button 209 and microprocessor 203, the signal that enters microprocessor 203 is carried out anti-interference filtration handle, make microprocessor 203 carry out maloperation to prevent undesired signal.Input signal anti-interference filtration described in the present embodiment and converter 207 by be connected with the output of described all kinds of fault sensors, be connected and be connected with the output of described knitting hands-operation button with the output of described knitting hands-operation button 209 optical coupling isolation circuit (TLP521-4) and diode circuit form, the output signal of input signal anti-interference filtration and converter 207 enters P10-19, the INT1 of microprocessor 203, INT0 etc. respectively and imports pin.
Data recorder 204: the operational factor of storage and 203 controls of record microprocessor, the fault of the fluctuation of 204 pairs of electrical networks of data recorder and frequency converter writes down (user can not remove) with SRAM (DS12887) in the present embodiment, provides strong help to maintenance.The P00-07 of the data recorder 204 described in the present embodiment and microprocessor 203 and RD, UR output connecting pin are connected.
Knitting machine of the present utility model in the course of the work, microprocessor 203 is with the signal of various kinds of sensors in 2ms loop cycle detecting sensor and the warning indicator 210, in case (the comprising low-voltage) signal that notes abnormalities, hard stop.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the utility model, and be not to be used as qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in the scope of the utility model claims variation, the modification of the above embodiment.
Claims (5)
1, the fuzzy multifunctional controller of a kind of knitting machine closed loop is characterized in that comprising:
Isolator is disturbed in the conversion of low-voltage power supply direct current: be made up of rectification circuit, anti-interference inverter circuit, mu balanced circuit and electric voltage observation circuit, the DC low-voltage of generation is the supply voltage of described controller;
Microprocessor: the frequency converter signal that input signal comprises all kinds of fault-signals from knitting machine, control the motor rotary speed of knitting machine and the operation signal of knitting hands-operation button, output signal goes to control the topworks to the knitting machine operation;
Driving circuit and topworks: controlled by described microprocessor, knitting machine is carried out operation, form by the out-expander, optical coupling isolation circuit and the actuating mechanism circuit that are connected with the output connecting pin of microprocessor, by the operation of topworks's execution knitting machine;
Panel control and panel display: be equipped with the LED display window; Also be equipped with the display lamp of indication corresponding failure and the operating key of control relevant work parts, the signal of described panel control and panel display is from the output connecting pin of the described microprocessor signal through optical coupling isolation circuit;
Sensor and warning indicator: form by all kinds of fault sensors and the corresponding alarm lamp that is installed on the knitting machine thereof, the corresponding component that produces fault on all kinds of fault sensors and the described knitting machine is connected, the signal of all kinds of fault sensors alarm lamp that is input to the display lamp of the indication corresponding failure on described panel control and the panel display and is installed on the correspondence on the knitting machine in parallel simultaneously, in addition, the signal of all kinds of fault sensors is delivered to the input pin of microprocessor after anti-interference filtration is handled;
Frequency converter parts: be connected between the input end of the output terminal of described microprocessor and input signal anti-interference filtration and converter, be made up of the optical coupling isolation circuit that is connected with the output connecting pin of microprocessor, holding circuit and described frequency converter, the signal of frequency converter outputs to microprocessor input pin after anti-interference filtration is handled;
Input signal anti-interference filtration and converter: be connected between the input end of the output terminal of described sensor and warning indicator, frequency converter parts and knitting hands-operation button and microprocessor, the signal that enters microprocessor is carried out anti-interference filtration handle, form by the optical coupling isolation circuit and the diode circuit that are connected with the output of described all kinds of fault sensors, be connected with the output of described frequency converter parts and be connected with the output of described knitting hands-operation button;
Data recorder: adopt the SRAM storage and write down the parameter of described microprocessor control knitting machine operation.
2, the fuzzy multifunctional controller of knitting machine closed loop as claimed in claim 1 is characterized in that the display lamp of the indication corresponding failure on described panel control and the panel display comprises: go up the broken yarn alarm lamp; Following broken yarn alarm lamp; The probe alarm lamp; The rag alarm lamp; The oil-break alarm lamp; The safety door pilot lamp; Cropping pilot lamp and frequency converter failure pilot lamp.
3, knitting machine closed loop as claimed in claim 1 is blured multifunctional controller, it is characterized in that the operating key of the control relevant work parts on described panel control and the panel display, comprising: motor ON/OFF key; Blower fan ON/OFF key; Force crawl ON/OFF key; According to cloth lamp ON/OFF key; Zero key; Ten key; Enter key; " powered-down " key; " power-on " key; The sum key; "start" button; Reading key; " stop " key; Setting key; " crawl " key; Order of classes or grades at school options button and order of classes or grades at school pilot lamp A, B, C.
4, the fuzzy multifunctional controller of knitting machine closed loop as claimed in claim 1 is characterized in that all kinds of fault sensors on described sensor and the warning indicator comprise: go up yarn break sensor; Following yarn break sensor; Probe sensor; The rag sensor; The oil-break sensor; The safety door sensor.
5, the fuzzy multifunctional controller of knitting machine closed loop as claimed in claim 1 is characterized in that the alarm lamp that is installed on the correspondence on the knitting machine on described sensor and the warning indicator comprises: go up the broken yarn alarm lamp; Following broken yarn alarm lamp; The probe alarm lamp; The rag alarm lamp; The oil-break alarm lamp; Safety door pilot lamp and also comprise the cropping pilot lamp and the frequency converter failure pilot lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03256002 CN2665769Y (en) | 2003-07-28 | 2003-07-28 | Closed loop fuzzy multifunctional controller for knitting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03256002 CN2665769Y (en) | 2003-07-28 | 2003-07-28 | Closed loop fuzzy multifunctional controller for knitting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2665769Y true CN2665769Y (en) | 2004-12-22 |
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ID=34328703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03256002 Expired - Fee Related CN2665769Y (en) | 2003-07-28 | 2003-07-28 | Closed loop fuzzy multifunctional controller for knitting machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN2665769Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102965830A (en) * | 2012-12-04 | 2013-03-13 | 江苏盈悦科技有限公司 | System and method for controlling high-speed jacquard needle selection of silk stocking knitting machine |
-
2003
- 2003-07-28 CN CN 03256002 patent/CN2665769Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102965830A (en) * | 2012-12-04 | 2013-03-13 | 江苏盈悦科技有限公司 | System and method for controlling high-speed jacquard needle selection of silk stocking knitting machine |
| CN102965830B (en) * | 2012-12-04 | 2014-11-05 | 浙江恒强科技股份有限公司 | System and method for controlling high-speed jacquard needle selection of silk stocking knitting machine |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |