CN109545501B - Valve core remanence demagnetizing circuit of electromagnetic valve of electronic jacquard machine assembly - Google Patents
Valve core remanence demagnetizing circuit of electromagnetic valve of electronic jacquard machine assembly Download PDFInfo
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- CN109545501B CN109545501B CN201811547544.4A CN201811547544A CN109545501B CN 109545501 B CN109545501 B CN 109545501B CN 201811547544 A CN201811547544 A CN 201811547544A CN 109545501 B CN109545501 B CN 109545501B
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- triode
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- diode
- valve core
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F13/00—Apparatus or processes for magnetising or demagnetising
- H01F13/006—Methods and devices for demagnetising of magnetic bodies, e.g. workpieces, sheet material
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
- D03C3/00—Jacquards
- D03C3/20—Electrically-operated jacquards
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Textile Engineering (AREA)
- Electromagnets (AREA)
Abstract
The invention discloses a valve core remanence demagnetization circuit of an electromagnetic valve of an electronic jacquard machine component, which comprises a component electromagnetic valve driving circuit, a driving circuit controller, an inductance-capacitance energy storage circuit, an energy storage circuit controller and a component electromagnetic valve core remanence demagnetization circuit. The invention has reasonable structure and good working effect.
Description
Technical Field
The invention relates to a remanence demagnetization circuit for a valve core of an electromagnetic valve of an electronic jacquard machine assembly.
Background
With the deep application of the electronic industry in the textile industry, people put forward new requirements on the personalized development of the textile industry. The fast development of the loom promotes the development of the matched jacquard device, the high-performance jacquard machine is an important direction of the modern textile development and has important significance for improving the quality of the fabric, the electronic jacquard machine is an electromechanical integrated product which utilizes warp yarns and weft yarns with different colors to be mutually interwoven to form large-pattern texture fabric, and the electronic jacquard machine is matched with the loom and can weave various large-pattern jacquard fabrics. The core of the electronic jacquard machine is an electronic needle selection module, an opening of the jacquard machine is realized by controlling a needle lifting element to move up and down along with a needle lifting mechanism mainly depending on the suction and the release of an electromagnetic valve of the needle selection module, the needle lifting mechanism used by the jacquard machine consists of the electromagnetic valve and a crochet hook, the actions of a valve core and the crochet hook of the electromagnetic valve are suction and release, the valve core sucks the crochet hook, warp yarns are lifted, the valve core does not suck the crochet hook, and the warp yarns cannot be lifted.
Most textile machinery companies for producing jacquard at home and abroad adopt the needle lifting module, but the needle lifting module has the following problems:
normally, a U L N2803 device is generally used as a driving device of a needle selector electromagnetic valve, a U L N2803 is composed of eight NPN Darlington transistors, 8 cascode diodes in a chip of the U are used for absorbing inductive current and are suitable for driving an electromagnet, the maximum allowable current of a collector of each Darlington transistor is measured and calculated to be 500mA, the current required when the electromagnet is attracted is about 40mA, and each electromagnetic valve is relatively stable.
In order to solve the problems, the general method is to improve the quality of the component electromagnetic valve and repeatedly perform suction and release tests on the valve core material of the electromagnetic valve to ensure that the residual magnetism of the material is the lowest, but the method takes a lot of time and costs a lot of funds for selecting different experimental materials.
Disclosure of Invention
The invention aims to provide a valve core remanence degaussing circuit of an electromagnetic valve of an electronic jacquard component, which can automatically eliminate the valve core remanence of the electromagnetic valve of the electronic jacquard component.
The technical solution of the invention is as follows:
a remanence degaussing circuit of a valve core of a solenoid valve of an electronic jacquard machine is characterized by comprising a component solenoid valve driving circuit, a driving circuit controller, an inductance-capacitance energy storage circuit and an energy storage circuit controller, wherein the component solenoid valve driving circuit specifically comprises triodes Q1, Q2, Q3 and Q4, the emitting electrodes of triodes Q1 and Q2 are connected with a power VCC, the bases of triodes Q1 and Q2 are connected with a needle selection signal, the collector electrode of the triode Q2 is connected with the collector electrode of a triode Q4, the emitter electrode of the triode Q4 is connected with a diode D7 and a resistor R7 in sequence and then connected with the collector electrode of the triode Q7, a contact point connected with the inverter U1 7 is arranged between the base electrodes of the inverter U1 7 and the triode Q7 in sequence, the emitter electrode of the triode Q7, the collector electrode of the inverter U1 7 and the collector electrode of the triode Q7 are connected with a diode D7, a branch circuit of the triode D7 and the collector electrode of the triode D7 is connected with a resistor D7 in series, a branch circuit 7 and a branch of the triode D7, the other branch circuit is connected with a resistor D7 in series, the triode D7 and a branch of the triode D7 in parallel connection with a resistor 7, the collector of the triode D7, the resistor 7 and a branch circuit 7, the collector of the triode D7 in series circuit is connected with a resistor D7 in series circuit, the triode D7, the resistor D7 in series is connected with;
the triode Q2 is conducted under the action of a needle selection signal (low level), the triode Q4 is cut off under the action of the reverser U1C, the diode D5 and the reverser U1B, the triode Q3 is conducted under the action of the reverser U1A to form a solenoid valve coil, the valve core is magnetized, a point crochet needle can be sucked, the needle selection action is finished, meanwhile, the triode Q1 is conducted under the action of the needle selection signal, the power supply charges an inductance and capacitance energy storage circuit, after the needle selection signal disappears, the triode Q1 is cut off, the inductance L1, the capacitance C1 and the energy storage circuit formed by the diode D6 serve as a secondary power supply to reversely supply power for the component solenoid valve, and simultaneously, the base voltage is provided for the triode Q4 after the pressure is reduced by the resistor R2 and the diode D4, the triode Q4 is conducted, the component solenoid valve coil generates a reverse magnetic field, the valve core is reversely magnetized, and the magnetic reman.
The invention has reasonable structure and good working effect.
Drawings
The invention is further illustrated by the following figures and examples.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
The valve core remanence degaussing circuit of the electromagnetic valve of the electronic jacquard machine component shown in the figure 1 comprises a component electromagnetic valve driving circuit, a driving circuit controller, an inductance-capacitance energy storage circuit and an energy storage circuit controller, and specifically comprises triodes Q1, Q2, Q3 and Q4, wherein the emitting electrodes of the triodes Q1 and Q2 are connected with a power VCC, the bases of the triodes Q1 and Q2 are connected with a needle selection signal, the collector electrode of the triode Q2 is connected with the collector electrode of a triode Q4, the emitter electrode of the triode Q4 is connected with a diode D7 and a resistor R7 in sequence and then connected with the collector electrode of the triode Q7, a reverse direction device U1 7, a diode D7 and a reverse direction device U1 7 are connected between the bases of the reverse direction device U1 7 and the triode Q7 in sequence, a connecting point connected with the reverse direction device U1 7 is arranged between the base electrode of the reverse direction device U1 7 and the triode Q7, the collector electrode of the triode Q7 and the collector electrode of the triode D7 is connected with another triode D7 in parallel, a branch circuit, a branch of the diode 36D 7 and a branch of the collector electrode of the triode D7, a branch of the triode D7 is connected with a diode 7 in series circuit 7, the diode 7, a branch of the diode D7 and a branch of the diode 7, a branch of the diode 36D 7 are connected with a resistor D7 in parallel connection of the resistor D7, a resistor D7, the resistor D7, a resistor D7 in series circuit is arranged in series circuit, a branch of the resistor;
the triode Q2 is conducted under the action of a needle selection signal (low level), the triode Q4 is cut off under the action of the reverser U1C, the diode D5 and the reverser U1B, the triode Q3 is conducted under the action of the reverser U1A to form a solenoid valve coil, the valve core is magnetized, a point crochet needle can be sucked, the needle selection action is finished, meanwhile, the triode Q1 is conducted under the action of the needle selection signal, the power supply charges an inductance and capacitance energy storage circuit, after the needle selection signal disappears, the triode Q1 is cut off, the inductance L1, the capacitance C1 and the energy storage circuit formed by the diode D6 serve as a secondary power supply to reversely supply power for the component solenoid valve, and simultaneously, the base voltage is provided for the triode Q4 after the pressure is reduced by the resistor R2 and the diode D4, the triode Q4 is conducted, the component solenoid valve coil generates a reverse magnetic field, the valve core is reversely magnetized, and the magnetic reman.
Claims (1)
1. A remanence degaussing circuit of a valve core of a solenoid valve of an electronic jacquard machine is characterized by comprising a component solenoid valve driving circuit, a driving circuit controller, an inductance-capacitance energy storage circuit and an energy storage circuit controller, wherein the component solenoid valve driving circuit specifically comprises triodes Q1, Q2, Q3 and Q4, the emitting electrodes of triodes Q1 and Q2 are connected with a power VCC, the bases of triodes Q1 and Q2 are connected with a needle selection signal, the collector electrode of the triode Q2 is connected with the collector electrode of a triode Q4, the emitter electrode of the triode Q4 is connected with a diode D7 and a resistor R7 in sequence and then connected with the collector electrode of the triode Q7, a contact point connected with the inverter U1 7 is arranged between the base electrodes of the inverter U1 7 and the triode Q7 in sequence, the emitter electrode of the triode Q7, the collector electrode of the inverter U1 7 and the collector electrode of the triode Q7 are connected with a diode D7, a branch circuit of the triode D7 and the collector electrode of the triode D7 is connected with a resistor D7 in series, a branch circuit 7 and a branch of the triode D7, the other branch circuit is connected with a resistor D7 in series, the triode D7 and a branch of the triode D7 in parallel connection with a resistor 7, the collector of the triode D7, the resistor 7 and a branch circuit 7, the collector of the triode D7 in series circuit is connected with a resistor D7 in series circuit, the triode D7, the resistor D7 in series is connected with;
triode Q2 is conducted under the action of a needle selection signal, a needle selection signal is conducted through triode Q4 under the action of reverser U1C, diode D5 and reverser U1B, triode Q3 is conducted under the action of reverser U1A to form a solenoid valve coil to be electrified, a valve core is magnetized, a point crochet needle can be sucked to finish needle selection action, triode Q1 is conducted under the action of the needle selection signal, a power supply charges an inductance and capacitance energy storage circuit, when a needle selection signal disappears, triode Q1 is cut off, inductor L1, capacitor C1 and an energy storage circuit formed by diode D6 serve as a secondary power supply to reversely supply power to the component solenoid valve, and residual voltage is provided for triode Q4 after voltage reduction through resistor R2 and diode D4, triode Q4 is conducted, the component solenoid valve coil generates a reverse magnetic field, the valve core is reversely magnetized, and the magnetic field of the valve core is eliminated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811547544.4A CN109545501B (en) | 2018-12-18 | 2018-12-18 | Valve core remanence demagnetizing circuit of electromagnetic valve of electronic jacquard machine assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811547544.4A CN109545501B (en) | 2018-12-18 | 2018-12-18 | Valve core remanence demagnetizing circuit of electromagnetic valve of electronic jacquard machine assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109545501A CN109545501A (en) | 2019-03-29 |
| CN109545501B true CN109545501B (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811547544.4A Active CN109545501B (en) | 2018-12-18 | 2018-12-18 | Valve core remanence demagnetizing circuit of electromagnetic valve of electronic jacquard machine assembly |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0381286B2 (en) * | 1987-08-12 | 1991-12-27 | Toyota Tsusho Kk | |
| CN2150220Y (en) * | 1993-01-20 | 1993-12-22 | 武进纺织机械厂 | Electronic-jacquard driving device |
| CN102995213B (en) * | 2012-12-20 | 2013-10-02 | 南通职业大学 | Jacquard data transmission fault and electronic valve fault detection circuit for electronic jacquard machine |
| CN106796839A (en) * | 2014-10-22 | 2017-05-31 | 博格华纳公司 | Electromagnetic valve driver |
| CN107608437A (en) * | 2017-09-29 | 2018-01-19 | 傅加龙 | A kind of jacquard needle selecting drive circuit |
| CN108494235A (en) * | 2018-05-31 | 2018-09-04 | 蔺会强 | A kind of slide cam selector driving circuit |
-
2018
- 2018-12-18 CN CN201811547544.4A patent/CN109545501B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0381286B2 (en) * | 1987-08-12 | 1991-12-27 | Toyota Tsusho Kk | |
| CN2150220Y (en) * | 1993-01-20 | 1993-12-22 | 武进纺织机械厂 | Electronic-jacquard driving device |
| CN102995213B (en) * | 2012-12-20 | 2013-10-02 | 南通职业大学 | Jacquard data transmission fault and electronic valve fault detection circuit for electronic jacquard machine |
| CN106796839A (en) * | 2014-10-22 | 2017-05-31 | 博格华纳公司 | Electromagnetic valve driver |
| CN107608437A (en) * | 2017-09-29 | 2018-01-19 | 傅加龙 | A kind of jacquard needle selecting drive circuit |
| CN108494235A (en) * | 2018-05-31 | 2018-09-04 | 蔺会强 | A kind of slide cam selector driving circuit |
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| Publication number | Publication date |
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| CN109545501A (en) | 2019-03-29 |
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