CN201016412Y - Magnetic valve control circuit for air-jet loom - Google Patents
Magnetic valve control circuit for air-jet loom Download PDFInfo
- Publication number
- CN201016412Y CN201016412Y CNU2006201523197U CN200620152319U CN201016412Y CN 201016412 Y CN201016412 Y CN 201016412Y CN U2006201523197 U CNU2006201523197 U CN U2006201523197U CN 200620152319 U CN200620152319 U CN 200620152319U CN 201016412 Y CN201016412 Y CN 201016412Y
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- China
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- control circuit
- solenoid valve
- power supply
- diode
- divider resistance
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Abstract
The utility model provides an electromagnetic valve control circuit used on an air-jet loom, which comprises a power supply circuit, a diode, an on-off control circuit and an electromagnetic valve. An output end of the power supply circuit is connected with an input end of the on-off control circuit; the on-off control circuit is used to connect or disconnect the power supply circuit and the electromagnetic valve. An output end of the on-off control circuit is connected with an anode of the diode. A cathode of the diode is connected with an input end of the electromagnetic valve; an output end of the electromagnetic valve is connected to the zero potential. The power supply circuit comprises a first dividing resistor and a capacitor. One end of the first dividing resistor is connected with a DC power supply; the other end of the first dividing resistor is connected with one electrode of the capacitor; the output end of the on-off control circuit is connected with one end of a second dividing resistor; the other end of the second dividing resistor is connected to the zero potential. By adding the capacitor and the first dividing resistor, the high voltage DC power supply and the lower voltage DC power supply in the traditional electromagnetic valve control circuit are abbreviated into one. In addition, the reliability of the system is improved.
Description
Technical field
The utility model relates to a kind of solenoid valve control circuit, especially for the solenoid valve control circuit of air-jet loom.
Background technique
In order to satisfy the woven requirement of air-jet loom high speed, the automatical control system of air-jet loom adopts two DC electrical source to drive the unlatching (seeing accompanying drawing 1) of solenoid valve usually, that is: when needs make that solenoid valve is connected, two ends at solenoid valve load high voltage (being about 48V) 7-9ms, make the electromagnet of solenoid valve be in saturated excited state, magnetic is extremely strong, thereby make solenoid valve adhesive promptly open, improve speed of response, after solenoid valve is in attracting state, adopt low voltage (being about 9V) to make the electromagnet in the solenoid valve keep attracting state; (voltage-time waveform figure at solenoid valve two ends is anticipated as shown in Figure 2 in this process) in order to reach this effect, needs independently high and low voltage dc source usually in control circuit, manufacture cost is relatively more expensive; In addition, in traditional design, high voltage is directly to be loaded on the solenoid valve, in case the switching circuit inefficacy that is communicated with between control high voltage and the solenoid valve or disconnects loads high voltage for a long time and then is easy to solenoid valve is burnt out on solenoid valve.
Summary of the invention
The purpose of this utility model just is to overcome above-mentioned shortcoming and defect, and a kind of solenoid valve control circuit that is used for air-jet loom of cheap, reliable performance is provided.
In order to achieve the above object, the technical solution adopted in the utility model is: a kind of solenoid valve control circuit that is used for air-jet loom, it comprises: power supply circuits, diode, ON-OFF control circuit, solenoid valve, the input end of the output termination ON-OFF control circuit of power supply circuits wherein, ON-OFF control circuit is used for conducting or disconnects power supply circuits and solenoid valve, the positive pole of the output terminating diode of ON-OFF control circuit, the negative pole of diode is connected with the input end of solenoid valve, the output terminal connecting to neutral current potential of solenoid valve.
Described power supply circuits comprise first divider resistance and electric capacity, and an end of described first divider resistance is connected with DC electrical source, and the other end is connected with a utmost point of electric capacity; The output terminal of described ON-OFF control circuit is connected with an end of second divider resistance, the other end connecting to neutral current potential of described second divider resistance.
Described ON-OFF control circuit comprises the field effect transistor that grid is connected with photoelectric sensor, the drain electrode of described field effect transistor is connected with the output terminal of described power supply circuits, and the source electrode of field effect transistor is connected with the positive pole of described diode.
The utility model has the advantages that: it makes that by the adding electric capacity and first divider resistance in power supply circuits the high and low pressure DC electrical source in traditional solenoid valve control circuit is reduced to one to get final product, and has saved manufacture cost; Simultaneously, even control circuit lost efficacy, removed most voltage owing to divide on first divider resistance, being carried on the electromagnetic valve coil is low voltage, thus avoided with solenoid valve burn out may, improved the reliability of whole system.
Description of drawings
Accompanying drawing 1 is the solenoid valve control circuit that is used for air-jet loom of prior art;
Accompanying drawing 3 is embodiment's circuit structure diagram of the present utility model;
Wherein: 1, power supply circuits; 2, diode; 3, ON-OFF control circuit; 4, solenoid valve; 5, first divider resistance; 6, electric capacity; 7, field effect transistor; 8, second divider resistance.
Embodiment
With reference to accompanying drawing, will be described in detail specific embodiments of the present utility model.
Accompanying drawing 1 has provided traditional circuit design, this control circuit is provided with two DC electrical source, be respectively 48V and 9V, field effect transistor 7 is used for the folding of control circuit, diode 2 is used to prevent that the induction current backflow of solenoid valve 4 from influencing its work, the drain electrode of field effect transistor 7 connects power supply, source electrode connects the positive pole of diode 2, the negative pole of diode 2 is connected with solenoid valve 4, in use, connect high voltage (48V) circuit 7-9ms earlier, make the electromagnet of the solenoid valve excitation that reaches capacity rapidly to disconnect high voltage circuit then, connect low voltage circuit, keep solenoid valve attracting state, accompanying drawing 2 has provided the voltage-time diagram at solenoid valve 4 two ends in the sort circuit.
Accompanying drawing 3 has provided circuit structure described in the utility model, it comprises: power supply circuits 1, diode 2, ON-OFF control circuit 3, solenoid valve 4, the input end of the output termination ON-OFF control circuit 3 of power supply circuits 1 wherein, the positive pole of the output terminating diode 2 of ON-OFF control circuit 3, the negative pole of diode 2 is connected with the input end of solenoid valve 4, the output terminal connecting to neutral current potential of solenoid valve 4
Described power supply circuits 1 comprise first divider resistance 5 and electric capacity 6, and an end of described first divider resistance 5 is connected with DC electrical source, and the other end is connected with a utmost point of electric capacity 6; The output terminal of described ON-OFF control circuit 3 is connected with an end of second divider resistance 8, the other end connecting to neutral current potential of described second divider resistance 8.
Described ON-OFF control circuit 3 comprises the field effect transistor 7 that grid is connected with photoelectric sensor, the drain electrode of described field effect transistor 7 is connected with the output terminal of described power supply circuits 1, and the source electrode of field effect transistor 7 is connected with the positive pole of described diode 2.
Described DC electrical source is the high-voltage power supply of 48V.
The working principle of embodiments of the invention is described in detail as follows: when needs are connected solenoid valve 4, control signal drives field effect transistor 7 conductings by photoelectric sensor, because electric capacity 6 energy storage, the coil of electric capacity 6 and solenoid valve 4 constitutes LC (inductor-capacitor) circuit together, electric capacity 6 discharges, load high voltage (48V) at the two ends of solenoid valve 4, make the electromagnet of solenoid valve 4 excited state that reaches capacity rapidly, solenoid valve 4 rapid adhesives; Along with electric energy in the electric capacity 6 discharges rapidly, DC electrical source is loaded on the solenoid valve 4 after by first divider resistance 5, make and keep a lower voltage on the solenoid valve 4, electromagnet in the solenoid valve 4 keeps attracting state, simultaneously, electric capacity 6 charges in this process, is the unlatching stored energy of solenoid valve 4 next time; When solenoid valve 4 needs closure, disconnect field effect transistor 7, solenoid valve 4 outages also disconnect.
Claims (2)
1. solenoid valve control circuit that is used for air-jet loom, it comprises: power supply circuits (1), diode (2), ON-OFF control circuit (3), solenoid valve (4), the input end of the output termination ON-OFF control circuit (3) of power supply circuits (1) wherein, the positive pole of the output terminating diode (2) of ON-OFF control circuit (3), the negative pole of diode (2) is connected with the input end of solenoid valve (4), the output terminal connecting to neutral current potential of solenoid valve (4)
It is characterized in that: described power supply circuits (1) comprise first divider resistance (5) and electric capacity (6), and an end of described first divider resistance (5) is connected with DC electrical source, and the other end is connected with a utmost point of electric capacity (6); The output terminal of described ON-OFF control circuit (3) is connected with an end of second divider resistance (8), the other end connecting to neutral current potential of described second divider resistance (8).
2. the solenoid valve control circuit that is used for air-jet loom as claimed in claim 1, it is characterized in that: described ON-OFF control circuit (3) comprises the field effect transistor (7) that grid is connected with photoelectric sensor, the drain electrode of described field effect transistor (7) is connected with the output terminal of described power supply circuits (1), and the source electrode of field effect transistor (7) is connected with the positive pole of described diode (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201523197U CN201016412Y (en) | 2006-12-25 | 2006-12-25 | Magnetic valve control circuit for air-jet loom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201523197U CN201016412Y (en) | 2006-12-25 | 2006-12-25 | Magnetic valve control circuit for air-jet loom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201016412Y true CN201016412Y (en) | 2008-02-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201523197U Expired - Fee Related CN201016412Y (en) | 2006-12-25 | 2006-12-25 | Magnetic valve control circuit for air-jet loom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201016412Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102819225A (en) * | 2012-08-15 | 2012-12-12 | 中国人民解放军第三军医大学 | Ventilation control system based on pulse output triggering of blinking stimulator |
| CN109799453A (en) * | 2019-01-21 | 2019-05-24 | 湖北航天技术研究院总体设计所 | A kind of switch electromagnetic valve control observation circuit and method |
-
2006
- 2006-12-25 CN CNU2006201523197U patent/CN201016412Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102819225A (en) * | 2012-08-15 | 2012-12-12 | 中国人民解放军第三军医大学 | Ventilation control system based on pulse output triggering of blinking stimulator |
| CN109799453A (en) * | 2019-01-21 | 2019-05-24 | 湖北航天技术研究院总体设计所 | A kind of switch electromagnetic valve control observation circuit and method |
| CN109799453B (en) * | 2019-01-21 | 2021-04-27 | 湖北航天技术研究院总体设计所 | Switch electromagnetic valve control monitoring circuit and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |