CN1621722A - High-frequency pulse width modulation controller of magnetic valve and the magnetic valve thereof - Google Patents
High-frequency pulse width modulation controller of magnetic valve and the magnetic valve thereof Download PDFInfo
- Publication number
- CN1621722A CN1621722A CN 200310110600 CN200310110600A CN1621722A CN 1621722 A CN1621722 A CN 1621722A CN 200310110600 CN200310110600 CN 200310110600 CN 200310110600 A CN200310110600 A CN 200310110600A CN 1621722 A CN1621722 A CN 1621722A
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- China
- Prior art keywords
- circuit
- magnetic valve
- width modulation
- high frequency
- output terminal
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Abstract
The present invention relates to one kind of electromagnetic valve and its HF pulse width modulation controller. The HF pulse width modulation controller consists of AC rectifying and filtering circuit or DC direction-changing filtering circuit, pulse width modulation circuit, power source circuit, voltage regulating circuit, voltage comparator circuit, jitter preventing circuit, switch circuit, etc. The HF pulse width modulation controller has wide input voltage range, high reliability, less vibration, low noise, high efficiency, low power consumption and other advantages, and the electromagnetic valve with the HF pulse width modulation controller high performance.
Description
Technical field: the present invention relates to a kind of solenoid valve and magnetic valve high frequency impulse-width modulation control device.
Background technique: existing solenoid valve electromagnet when satisfying starting has enough big suction and overcomes the weight of medium to the pressure of spool and spool, armature itself, mostly is designed to the structure of big coil heavy current.Still pass to heavy current when moving after the solenoid valve starting of this structure, this not only wastes energy, and the technical failure of coil also usually occurs burning.For addressing this problem, the patent No. a kind of alternating-current pulse solenoid valve that has been 00225894.3 disclosure of the Invention has been realized the function that big current start, little electric current keep.But also come with some shortcomings: the one, the unexpected variation of electric current makes solenoid valve produce very big noise and vibration; Two provide electric current to electromagnetic coil is still pulsation, the influence that its size is changed by input voltage, the maintenance suction of electromagnetic coil changes with the variation of input voltage, in case input voltage fluctuation or extraneous factor influence, electromagnet all has the danger of falling at any time, and reliability is relatively poor.It is wide to the objective of the invention is to disclose a kind of change range of input voltage, but and not only input AC but also can import direct current, can provide powerful starting direct current (d.c.) and constant maintenance electric current for electromagnetic valve coil, the solenoid valve operational vibration is little, noise is low, operate steadily, safe and reliable, high-frequency pulsed width modulation controller that operating cost is cheap and the solenoid valve that this high-frequency pulsed width modulation controller is housed.
Summary of the invention: technical solution of the present invention is: a kind of magnetic valve high frequency PDM keyer, have shell, power line or wiring terminal, circuit board, its special way be said circuit board by AC current rectifying and wave filtering circuit or DC break-in eliminator, keep electric current to form circuit and timing switch circuit is formed.
Technical solution of the present invention is: a kind of solenoid valve, comprise valve body, be located at piston sleeve, piston, spool in the valve body, be located at the piston sleeve top sleeve, electromagnetic coil, guard shield, be located at armature in the sleeve, connect armature and spool valve rod, be located at the electric controller on valve body or the guard shield, its special way is that electric controller makes and have AC current rectifying and wave filtering circuit or DC break-in eliminator, keep electric current to form circuit high-frequency pulsed width modulation controller.
AC current rectifying and wave filtering circuit in the technical solution of the present invention or DC break-in eliminator can be by protective tube FU, wave filter L
2, rectifier bridge BR and filter capacitor C
1Form.
Maintenance electric current in the technical solution of the present invention forms circuit can be by the IC that integrates voltage stabilizing control, high-voltage power supply, overheated, overcurrent protection
1And VD
1, VD
2, R
1, R
2, C
2The pulse-width modulation circuit of forming Deng peripheral cell, be provided with N
2, N
3, N
4The transformer T and the VD thereof of three tunnel outputs
3～VD
6, C
3～C
6, L
1The power supply circuits, the IC that form Deng peripheral cell
4, IC
3And R
3～R
5, R
9, C
7Form Deng the mu balanced circuit that peripheral cell is formed.
Timing switch circuit in the technical solution of the present invention can be by 1C
2And R
6, R
7, R
11, R
10, VD
9, VD
10, C
8The voltage comparator circuit of forming Deng peripheral cell, by IC
5And R
12, VD
7The switching circuit of forming Deng peripheral cell, by VD
8, R
8The preventing jittering circuit of being formed is formed.
The present invention has the following advantages owing to adopted above technical solution: the one, and the wide ranges of input voltage is when changing between 150V～265V, to the not influence of electric current that outputs to electromagnetic coil; The 2nd, can provide powerful starting direct current (d.c.) to electromagnetic coil, the constant less direct current of keeping can be provided again, improved the solenoid valve reliability of operation greatly; The 3rd, make solenoid valve in when operation, vibrate little, noise is low, less energy consumption, operating cost is low.
Description of drawings: accompanying drawing 1 is the circuit structure diagram of magnetic valve high frequency PDM keyer of the present invention, and accompanying drawing 2 is a kind of structural representation with solenoid valve of high-frequency pulsed width modulation controller of the present invention.
Embodiment: the present invention is further illustrated below in conjunction with accompanying drawing, embodiment one, shown in accompanying drawing 1,2, a kind of magnetic valve high frequency PDM keyer, have shell [2], power line or wiring terminal [13], circuit board [4], on circuit board [4], be disposed with AC current rectifying and wave filtering circuit or DC break-in eliminator [15], keep electric current to form circuit [16] and timing switch circuit [17].Embodiment 2 is shown in accompanying drawing 2,1: a kind of solenoid valve with high-frequency pulsed width modulation controller, comprise valve body [12], be located at valve body [12] interior piston sleeve [8], piston [9], spool [11], be located at the cover core nut [10] on the spool [11], be located at sleeve [5], the electromagnetic coil L of piston sleeve [8] top
3, guard shield [3], be located at the iron that spreads out [6] in the sleeve [5], connect the valve rod [7] of armature [6] and valve core nut [10], on valve body [12] or guard shield [3], be provided with magnetic valve high frequency PDM keyer [1].The structure and the embodiment 1 of high-frequency pulsed width modulation controller [1] are identical.Describe its circuit structure and working principle below in detail: AC current rectifying and wave filtering circuit or DC break-in eliminator [15] are by protective tube FU, wave filter L
2, rectifier bridge BR and filter capacitor C
1Form.AC220V or DC220V electric current change the direct current (d.c.) of 220～300V into through rectification or break-in, and rectifier bridge BR is output as two-way, and one the road supplies with and keeps electric current to form circuit [16], the electromagnetic coil L of another road direction solenoid valve
3Supply with starting current.Keep electric current to form circuit [16] by the IC that integrates voltage stabilizing control, high-voltage power supply, overheated, overcurrent protection
1And the pulse-width modulation circuit formed of peripheral cell, be provided with N
2, N
3, N
4Power supply circuits, IC that the transformer T of three tunnel outputs and peripheral cell thereof are formed
4, IC
3And the mu balanced circuit that peripheral cell is formed is formed.In above-mentioned pulse-width modulation circuit, IC
1D end be connected IC with the elementary lower end of transformer T
1S end link to each other IC with the following output terminal of BR
1C end and photo coupler IC
4Link to each other, between C end and S end, be provided with R successively
2And C
2, at IC
1D end and the upper end of the primary air of T between to being connected to VD
1, VD
2, VD
1Be parallel with R
1By IC
1Produce the conducting of the pulse width signal control switch pipe of 100KHz, produce high frequency current, through transformer T level power supply backward.By VD
1, VD
2, R
1The pulse absorption circuit protection IC that forms
1Over-voltage breakdown not.In above-mentioned power supply circuits, N
1The last output terminal of last termination BR, N
3Output terminal connects by VD
4, C
4, L
1, C
6Behind the rectifier filter of forming, provide 12V DC electrical source to timing switch circuit, N
4Output terminal connects by VD
3, C
3, VD
6The rectifier filter of forming is to electromagnetic coil L
3Provide the maintenance electric current, N
2Output terminal connects by VD
5, C
5Pass through photo coupler IC behind the rectifier filter of forming
4To IC
1Control signal is provided, realizes voltage stabilizing control.In above-mentioned mu balanced circuit, IC
4Collector electrode meet VD
5, C
5The rectifier filter of forming, IC
4Emitter meets IC
1C end, IC
3Positive pole connect the following output terminal of BR, pass through R simultaneously
9, R
5Meet L
1Right-hand member, R
4With C
7Series connection back and R
5Parallel connection, IC
3Negative pole pass through R
3, photo coupler IC
4Meet L
1Left end, simultaneously and R
4, C
7Common public point link to each other.Its principle of stabilized voltage is: when RV output raises, and IC
3Conducting strengthens, IC
4Conducting strengthens thereupon, IC
1Output diminishes thereupon, and RV exports step-down.When RV output reduced, control procedure was opposite.Timing switch circuit [17] is by IC
2, R
6～R
8, R
10～R
12, VD
7～VD
10, IC
5Form IC
2Pin 1,2,3,5 pass through R respectively
6, R
7, lead, R
11Meet L
1Right-hand member, VD
9With R
6Parallel connection, IC simultaneously
2Pin 1,2,4,5 pass through C respectively
8, R
10, lead, VD
10Connect the following output terminal of BR, be provided with R between pin 2, the pin 5 simultaneously
8, VD
8The preventing jittering circuit of forming, pin 5 also passes through R
12Meet IC
5C end, IC
5D termination electromagnetic coil L
3The lower end, VD
7With L
3In parallel.IC
2Be voltage comparator, IC during energising
4Be input as 1/2Vcc at positive, anti-phase IC when being input as low level
25 pin output high level make IC
5Conducting, 200V～300V direct current is through electromagnetic coil L
3, IC
5Form the loop, L
3Producing very big suction attracts armature [6] to rise, armature [6] drives on the piston [9] by valve rod [7] and moves, thereby big valve core [11] is opened, play moving electromagnetic valve, along with the continuation rising of armature [6], the continuous unlatching of big valve core [11], the pressure medium that acts on big valve core [11] is also more and more littler, and at this moment, the RV power supply is through R
6To C
8C is worked as in charging
8When both end voltage surpasses 1/2Vcc, IC
2Inverting input voltage is higher than normal phase input end voltage and output low level, IC
5Turn-off electromagnetic coil L
3Break away from 200V～300V power supply, transfer to by VD
640～50V is provided direct current supply, makes armature [6] be stabilized in apical position, make big valve core [11] remain on open mode with less suction.Magnetic valve high frequency pulse width modulator of the present invention can be contained on the solenoid valve, also can be contained in the place except that solenoid valve, as control room etc.It can with the supporting use of various solenoid valves.IC in the circuit structure of the present invention
1Can be for TOP series pulse width modulated power supply thick film, as TOP223Y, IC
2Can adopt the LM339 voltage comparator, IC
3Can adopt the accurate voltage stabilizer of TL431, IC
4Can adopt TL817 or TL621 photo coupler, IC
5Can adopt the IPC60 field effect transistor.The present invention is through experiment operation, and it is powerful to have a starting, keeps reliable, vibrates little, good characteristics such as noise is low, efficient is high, less energy consumption, has reached the purpose of invention fully.
Claims (9)
1, a kind of magnetic valve high frequency PDM keyer, have shell [2], power line or wiring terminal [13], circuit board [4], it is characterized in that said circuit board [4] by AC current rectifying and wave filtering circuit or DC break-in eliminator [15], keep that electric current forms circuit [16], timing switch circuit [17] is formed.
2, a kind of solenoid valve comprises valve body [12], is located at piston sleeve [8], piston [9], spool [11] in the valve body [12], is located at cover core nut [10] on the spool [11], is located at sleeve [5], the electromagnetic coil L of piston sleeve [8] top
3, guard shield [3], be located at armature [6] in the sleeve [5], connect armature [6] and valve core nut [10] valve rod [7], be located at the electric controller [1] on valve body [12] or the guard shield [3], it is characterized in that said electric controller [1], make the high-frequency pulsed width modulation controller that has AC current rectifying and wave filtering circuit or DC break-in eliminator [15], keeps electric current formation circuit [16], timing switch circuit [17].
3, according to claim 1,2 described a kind of magnetic valve high frequency PDM keyer and solenoid valves thereof, it is characterized in that said AC current rectifying and wave filtering circuit or DC break-in eliminator [15], by protective tube FU, wave filter L
2, rectifier bridge BR and filter capacitor C
1Form.
4,, it is characterized in that said maintenance electric current forms circuit [16], by the IC that integrates voltage stabilizing control, high-voltage power supply, overheated, overcurrent protection according to claim 1,2 described a kind of magnetic valve high frequency PDM keyer and solenoid valves
1And VD
1, VD
2, R
1, R
2, C
2The pulse-width modulation circuit of forming Deng peripheral cell, be provided with N
2, N
3, N
4The transformer T and the peripheral cell VD thereof of three tunnel outputs
3～VD
6, C
3～C
6, L
1The power supply circuits of being formed, IC
4, IC
3And peripheral cell R
3～R
5, R
9, C
7The mu balanced circuit of being formed is formed.
5, according to claim 1,2 described a kind of magnetic valve high frequency PDM keyer and solenoid valves thereof, it is characterized in that said timing switch circuit, by IC
2And peripheral cell R
6, R
7, R
11, R
10, VD
9, VD
10, C
8Deng the voltage comparator circuit of being formed, IC
5And peripheral cell R
12, VD
7The switching circuit of being formed, VD
8, R
8The preventing jittering circuit of being formed is formed.
6, a kind of magnetic valve high frequency PDM keyer according to claim 4 and solenoid valve thereof is characterized in that in the said pulse-width modulation circuit IC
1D end link to each other its C end and photo coupler IC with the elementary lower end of transformer T
4Link to each other, between its C end and S end, be provided with R successively
2, C
2, at the primary air N of its D end with T
1The upper end between to being connected to VD
1, VD
2, VD
1Be parallel with R
1
7, a kind of magnetic valve high frequency PDM keyer according to claim 4 and solenoid valve thereof is characterized in that in the said power supply circuits N
3Output terminal is connected with by VD
4, C
4, L
1, C
6The rectifier filter of forming, N
4Output terminal is connected with by VD
3, C
3, VD
6The rectifier filter of forming, N
2Output terminal is connected with by VD
5, C
5The rectifier filter of forming.
8, a kind of magnetic valve high frequency PDM keyer according to claim 4 and solenoid valve thereof is characterized in that in the said mu balanced circuit IC
4Collector electrode meet VD
5, C
5The rectifier filter of forming, IC
4Emitter meet IC
1C end, IC
3Positive pole connect the following output terminal of BR, pass through R simultaneously
9, R
5Meet L
1Right-hand member, R
4With C
7Series connection back and R
5Parallel connection, 1C
3Negative pole pass through R
3, photo coupler IC
4Meet L
1Left end, simultaneously and R
4, C
7Common public point link to each other.
9, a kind of magnetic valve high frequency PDM keyer according to claim 5 and solenoid valve thereof is characterized in that in the said voltage comparator circuit IC
2Pin 1,2,3,5 pass through R respectively
6, R
7, lead, R
11After, with L
1Right-hand member link to each other VD
9With R
6Parallel connection, IC simultaneously
2Pin 1,2,4,5 pass through C respectively
8, R
10, lead, VD
10After, link to each other with output terminal under the BR, in the said switching circuit, IC
5S termination BR under output terminal, its D termination electromagnetic coil L
3The lower end, its C end passes through R
12Meet IC
2Pin 5, in the said preventing jittering circuit, VD
8, R
8Be connected on IC
2Pin 2 and pin 5 between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101106005A CN100498026C (en) | 2003-11-26 | 2003-11-26 | High-frequency pulse width modulation controller of magnetic valve and the magnetic valve thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101106005A CN100498026C (en) | 2003-11-26 | 2003-11-26 | High-frequency pulse width modulation controller of magnetic valve and the magnetic valve thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1621722A true CN1621722A (en) | 2005-06-01 |
| CN100498026C CN100498026C (en) | 2009-06-10 |
Family
ID=34759179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101106005A Expired - Fee Related CN100498026C (en) | 2003-11-26 | 2003-11-26 | High-frequency pulse width modulation controller of magnetic valve and the magnetic valve thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100498026C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410396A (en) * | 2011-08-05 | 2012-04-11 | 安徽中科光电色选机械有限公司 | High-frequency electromagnetic valve and driving circuit thereof |
| CN102539898A (en) * | 2010-12-20 | 2012-07-04 | 西安开容电子技术有限责任公司 | Design method of adjustable pulse width current generation and detection circuit |
| CN102996274A (en) * | 2012-12-14 | 2013-03-27 | 中国第一汽车股份有限公司无锡油泵油嘴研究所 | Electromagnetic valve driving device capable of bearing high frequency switching loss |
| CN103322275A (en) * | 2013-06-26 | 2013-09-25 | 中国人民解放军军事交通学院 | Pulse electromagnetic valve control circuit based on electromagnetic valve |
| CN103727289A (en) * | 2013-12-27 | 2014-04-16 | 西安航天远征流体控制股份有限公司 | Direct-current electromagnetic valve control circuit |
| CN106528481A (en) * | 2016-12-29 | 2017-03-22 | 无锡华润矽科微电子有限公司 | Discharge circuit integrated behind bus rectifier bridge at interior of slave chip |
-
2003
- 2003-11-26 CN CNB2003101106005A patent/CN100498026C/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102539898A (en) * | 2010-12-20 | 2012-07-04 | 西安开容电子技术有限责任公司 | Design method of adjustable pulse width current generation and detection circuit |
| CN102539898B (en) * | 2010-12-20 | 2015-02-18 | 西安开容电子技术有限责任公司 | Adjustable pulse width current generation and detection circuit |
| CN102410396A (en) * | 2011-08-05 | 2012-04-11 | 安徽中科光电色选机械有限公司 | High-frequency electromagnetic valve and driving circuit thereof |
| CN102410396B (en) * | 2011-08-05 | 2014-04-09 | 安徽中科光电色选机械有限公司 | High-frequency electromagnetic valve and driving circuit thereof |
| CN102996274A (en) * | 2012-12-14 | 2013-03-27 | 中国第一汽车股份有限公司无锡油泵油嘴研究所 | Electromagnetic valve driving device capable of bearing high frequency switching loss |
| CN102996274B (en) * | 2012-12-14 | 2015-04-22 | 中国第一汽车股份有限公司无锡油泵油嘴研究所 | Electromagnetic valve driving device capable of bearing high frequency switching loss |
| CN103322275A (en) * | 2013-06-26 | 2013-09-25 | 中国人民解放军军事交通学院 | Pulse electromagnetic valve control circuit based on electromagnetic valve |
| CN103727289A (en) * | 2013-12-27 | 2014-04-16 | 西安航天远征流体控制股份有限公司 | Direct-current electromagnetic valve control circuit |
| CN106528481A (en) * | 2016-12-29 | 2017-03-22 | 无锡华润矽科微电子有限公司 | Discharge circuit integrated behind bus rectifier bridge at interior of slave chip |
| CN106528481B (en) * | 2016-12-29 | 2021-10-15 | 华润微集成电路(无锡)有限公司 | Bus rectifier bridge post-discharge circuit integrated in slave chip |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100498026C (en) | 2009-06-10 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hunan Xiang'an Special Electromagnetic Valve Co., Ltd. Assignor: Hunan Province Anhua County Special Electro-magnetic Valve Co., Ltd. Contract record no.: 2011430000240 Denomination of invention: High-frequency pulse width modulation controller of magnetic valve and the magnetic valve thereof Granted publication date: 20090610 License type: Exclusive License Open date: 20050601 Record date: 20111021 |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 413500 tea unitary village, Anhua Economic Development Zone, Hunan, Yiyang Patentee after: Hunan Xiang'an Special Electromagnetic Valve Co., Ltd. Address before: 413500 No. 6, Dongping Town, Anhua County, Hunan, Jianshe Road Patentee before: Hunan Province Anhua County Special Electro-magnetic Valve Co., Ltd. |
|
| 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: 20090610 Termination date: 20181126 |