CN201170321Y - Numerical control electromagnetic valve - Google Patents
Numerical control electromagnetic valve Download PDFInfo
- Publication number
- CN201170321Y CN201170321Y CNU2007201572802U CN200720157280U CN201170321Y CN 201170321 Y CN201170321 Y CN 201170321Y CN U2007201572802 U CNU2007201572802 U CN U2007201572802U CN 200720157280 U CN200720157280 U CN 200720157280U CN 201170321 Y CN201170321 Y CN 201170321Y
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 21
- 230000009471 action Effects 0.000 claims abstract description 4
- 230000002457 bidirectional effect Effects 0.000 claims description 31
- 101000668165 Homo sapiens RNA-binding motif, single-stranded-interacting protein 1 Proteins 0.000 claims description 12
- 102100039692 RNA-binding motif, single-stranded-interacting protein 1 Human genes 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 6
- 230000008676 import Effects 0.000 claims 2
- 230000005611 electricity Effects 0.000 abstract 1
- 230000001052 transient effect Effects 0.000 abstract 1
- 239000003990 capacitor Substances 0.000 description 9
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010001541 Akinesia Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 230000006872 improvement Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model relates to a digital control electromagnetic valve, comprising a valve body consisting of an air inlet and an air outlet, wherein, the valve body is fixedly connected with a valve plug; a movable iron core is arranged inside a hollow cavity of the valve plug; a spring is arranged between the movable iron core and the valve plug; the outer side of the valve plug is provided with a coil, a coil housing and a junction box; the bottom of the coil is provided with a closing piece; the top part of the valve plug is provided with a permanent magnet; the inner part of the junction box is provided with a driving device for controlling the action of the movable iron core; and the driving device is provided with a control terminal and a positive power source terminal which are in electric connection with an external control circuit, and a power terminal connected with the external AC power source. The top part of the valve plug is provided with the permanent magnet, and the working state of the electromagnetic valve is changed by electrifying the transient current into the electromagnetic valve, thereby reducing the electricity consumption; the driving device and the electromagnetic valve are integrated; when the digital control electromagnetic valve is used, the on and off states of the electromagnetic valve are controlled by means of connecting a digital control pulse signal of the control circuit with the control terminal of the electromagnetic valve, thereby the use is convenient and the commonality and the interchangeability are improved.
Description
Technical field
The utility model relates to a kind of solenoid valve, specifically, relates to a kind of numerical control electromagnetic valve that is applied to flowing medium such as control gaseous, liquid break-make in the pipeline, has Chang Kai and normally closed two kinds of features concurrently.
Background technique
General solenoid valve is divided into open type and normal close type according to the state that is kept when no electric circuit, this solenoid valve only could transition status when energising, returns to normal at once again after the power failure.In the use for make solenoid valve can be for a long time in abnormal work down, the solenoid valve duration of work needs energising all the time, like this, the bigger driving current that passes through in the coil is as easy as rolling off a log to cause that coil is overheated to be burnt.In addition, during owing to this type of solenoid valve of use, the user must oneself design, the configure dedicated control system, the user cost height, and versatility is poor, and it is inconvenient to use.
Summary of the invention
The technical problems to be solved in the utility model is at above technological deficiency, a kind of selected often opening or normally closed arbitrary state, energy-conservation that can remain on after outage is provided, versatility is good, and control is convenient, and the energising of coil short time gets final product the numerical control electromagnetic valve of throw over switch state.
For solving the problems of the technologies described above, the utility model adopts following technological scheme: numerical control electromagnetic valve, comprise and have suction port, the valve body of air outlet, be fixedly connected with spool on the valve body, be provided with moving iron core in the cavity of spool, be provided with spring between moving iron core and the spool, the arranged outside of spool has coil, coil case and terminal box, the bottom of described coil is provided with close out sheet, it is characterized in that: the top of described spool is provided with permanent magnet, be provided with the drive unit that is used for controlling moving iron core action in the described terminal box, described drive unit is electrically connected with coil, drive unit is provided with the control terminal that is electrically connected with external control circuit, positive power terminal, and the power supply terminal that is connected with external AC power supply.
Below be further improvement in the technical proposal:
Described drive unit comprises power circuit and electric power polarity change-over circuit, and described power circuit comprises protective circuit, current rectifying and wave filtering circuit, ON-OFF control circuit, and the output terminal of described electric power polarity change-over circuit is electrically connected with relay.
Described protective circuit comprises resistance and electric capacity; current rectifying and wave filtering circuit comprises diode and electric capacity; ON-OFF control circuit comprises current-limiting resistance; resistance; photo coupler and bidirectional triode thyristor; four diodes are formed the rectification full-bridge; an input end of rectification full-bridge connects ac power supply terminal; diode and two electric capacity are connected in parallel on the output terminal of rectification full-bridge; an input end of photo coupler connects control terminal through current-limiting resistance; another input termination positive power terminal; an output terminal of photo coupler connects the control end and the resistance of bidirectional triode thyristor; the other end of resistance connects the T1 utmost point of bidirectional triode thyristor; resistance and ac power supply terminal; the other end of resistance connects another input end of rectification full-bridge through electric capacity; another output terminal of photo coupler connects the T2 utmost point of bidirectional triode thyristor and another input end of rectification full-bridge through resistance, and two output terminals of rectification full-bridge are electrically connected with coil through the normally closed point of relay.
Described electric power polarity change-over circuit comprises current-limiting resistance, resistance, photo coupler, bidirectional triode thyristor and electric capacity, an input end of photo coupler connects control terminal through current-limiting resistance, another input termination positive power terminal, an output terminal of photo coupler connects the control end and the resistance of bidirectional triode thyristor, the other end of resistance connects the T1 utmost point of bidirectional triode thyristor, resistance and ac power supply terminal, the other end of resistance connects relay through electric capacity, the other end of relay connects ac power supply terminal, and another output terminal of photo coupler connects the T2 utmost point of bidirectional triode thyristor and connects electric capacity and the tie point of relay through resistance.
The utility model adopts technique scheme, has the following advantages:
(1) at the top of spool permanent magnet is set, permanent magnet, moving iron core cooperate with spring, when solenoid valve is in the arbitrary state that opens or closes, make solenoid valve after outage, can keep current state constant, reduced the electric energy that drive coil consumed, more energy-conservation, solenoid valve of the present utility model is not only applicable to common occasion, also be suitable for special occasions such as powered battery, applied range.
(2) solenoid valve of the present utility model passes to immediate current and will change its working state, therefore avoided lasting energising after, coil generates heat easily and burns, and causes solenoid valve short problem in working life.
(3) drive unit and solenoid valve are set to one, the control terminal that during use the digital pulse signal of control circuit is inserted solenoid valve just can control electromagnetic valve on off operating mode, do not need to be equipped with specially drive unit, easy to use, simplify the usage mode of solenoid valve greatly, strengthened versatility and interchangeability.
Below in conjunction with drawings and Examples the utility model is further described:
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment when opening;
Fig. 2 is the structural representation of the utility model embodiment when closing;
Fig. 3 is the schematic diagram of drive unit among the utility model embodiment.
Embodiment
The 1-valve body, the 2-coil case, the 3-suction port, the 4-air outlet, the 5-close out sheet, the 6-coil, the 7-spool, the 8-permanent magnet, the 9-spring, 10-moves iron core, 11-terminal box, 12-drive unit
Embodiment, as shown in Figure 1, numerical control electromagnetic valve, be in the state of opening, comprise and have suction port 3, the valve body 1 of air outlet 4, be fixedly connected with spool 7 on the valve body 1, be provided with moving iron core 10 in the cavity of spool 7, be provided with spring 9 between moving iron core 10 and spool 7 upper ends, the arranged outside of spool 7 has coil 6, coil case 2 and terminal box 11, the top of spool 7 is provided with permanent magnet 8, the bottom of coil 6 is provided with close out sheet 5, be provided with the drive unit 12 that is used for controlling moving iron core 10 actions in the terminal box 11, drive unit 12 is electrically connected with coil 6, and drive unit 12 is provided with the control terminal I that is electrically connected with control circuit, control terminal II, positive power terminal+and the power supply terminal U1 that is connected with external AC power supply, power supply terminal U2.
As shown in Figure 3; drive unit 12 comprises power circuit and electric power polarity change-over circuit; power circuit comprises protective circuit; current rectifying and wave filtering circuit; ON-OFF control circuit; protective circuit comprises that resistance R 2 is to resistance R 4 and capacitor C 1; current rectifying and wave filtering circuit comprises that diode D1 is to diode D5; capacitor C 2 and capacitor C 3; ON-OFF control circuit comprises current-limiting resistance R1; resistance R 2 is to resistance R 4; photo coupler OC1 and bidirectional triode thyristor SCR; diode D2 is to diode D5 composition rectification full-bridge; an input end of rectification full-bridge connects ac power supply terminal U1; capacitor C 2; capacitor C 3 and diode D1 are connected in parallel on the output terminal of rectification full-bridge; the input end of photo coupler OC1 connects control terminal I through current-limiting resistance R1; another input termination positive power terminal+; the output terminal of photo coupler OC1 connects control end and the resistance R 3 of bidirectional triode thyristor SCR; the other end of resistance R 3 connects the T1 utmost point of bidirectional triode thyristor SCR; resistance R 4 and ac power supply terminal U2; the other end of resistance R 4 connects another input end of rectification full-bridge through capacitor C 1; another output terminal of photo coupler OC1 connects the T2 utmost point of bidirectional triode thyristor SCR and another input end of rectification full-bridge through resistance R 2, and two output terminals of rectification full-bridge are electrically connected with coil 6 through normally closed some K of relay J.
The electric power polarity change-over circuit comprises current-limiting resistance R5, resistance R 6 is to resistance R 8, photo coupler OC2, bidirectional triode thyristor SCR2 and capacitor C 4, the input end of photo coupler OC2 connects control terminal II through current-limiting resistance R5, another input termination positive power terminal+, the output terminal of photo coupler OC2 connects control end and the resistance R 6 of bidirectional triode thyristor SCR2, the other end of resistance R 6 connects the T1 utmost point of bidirectional triode thyristor SCR2, resistance R 8 and ac power supply terminal U2, the other end of resistance R 8 connects relay J through capacitor C 4, the other end of relay J connects ac power supply terminal U1, and another output terminal of photo coupler OC2 connects the T2 utmost point of bidirectional triode thyristor SCR2 and connects the tie point of capacitor C 4 and relay J through resistance R 7.
Control terminal I control bidirectional triode thyristor SCR, not conducting of bidirectional triode thyristor SCR when control terminal I is in high level, receive just conducting of bidirectional triode thyristor SCR when hanging down pulse, Ac through behind the rectifying and wave-filtering through the polarity switching control electromagnetic valve, control terminal II control bidirectional triode thyristor SCR2, not conducting of bidirectional triode thyristor SCR2 when receiving high impulse, relay J keeps normally-closed contact K conducting, 1 pin of electromagnetic valve coil 6 is a high level, 2 pin are low level, bidirectional triode thyristor SCR2 conducting when receiving low level pulse, electric current is by the coil of relay J, the relay J adhesive, and 2 pin that make electromagnetic valve coil 6 are high level, 1 pin is a low level, realizes the change of coil 6 magnetic directions.
Following table is control terminal and solenoid valve state relation table
Wherein, be high level under control terminal I and the control terminal II normal state.
When control terminal I received high impulse, control terminal II is akinesias of solenoid valve under any state, and when control terminal I and control terminal II all receive low pulse, solenoid valve will close to state as shown in Figure 2, can remain unchanged as closing then.
When control terminal I receives low level pulse, when control terminal II receives high level pulse, 1 pin of electromagnetic valve coil 6 is a high level, 2 pin are low level, moving iron core 10 produces magnetic under the effect of electromagnetic field, its upper end is opposite with the permanent magnetic field lower end polarity of permanent magnet 8, both inhale mutually, moving iron core 10 is by the upper end of adhesive to spool 7, originally the valve that was in closed condition will be opened, and that has opened then can remain unchanged, and the outage back is because the permanent magnetism of permanent magnet 8 is made every effort to overcome the elastic force of having obeyed spring 9, moving iron core 10 still keeps and spool 7 upper end adhesives, and valve keeps opening constant.
When control terminal I and control terminal II receive the low level pulse signal simultaneously, bidirectional triode thyristor SCR and the equal conducting of bidirectional triode thyristor SCR2, the relay J adhesive, it is high level that the electric power polarity of coil 6 is changed into 2 pin, 1 pin is a low level, the permanent magnetic field lower end polar repulsion of moving iron core 10 upper ends and permanent magnet 8, moving iron core 10 is under magnetic force and spring force acting in conjunction, make the valve closing of opening originally, originally the valve that was in closed condition will remain unchanged, outage back is because spool 7 is far away with moving iron core 10 distances, and the permanent magnetic field that permanent magnet 8 produces is far smaller than the thrust of spring 9 to the suction of moving iron core 10, and valve will keep closed condition.
Claims (4)
1, numerical control electromagnetic valve, comprise and have suction port (3), the valve body (1) of air outlet (4), be fixedly connected with spool (7) on the valve body (1), be provided with moving iron core (10) in the cavity of spool (7), be provided with spring (9) between moving iron core (10) and the spool (7), the arranged outside of spool (7) has coil (6), coil case (2) and terminal box (11), the bottom of described coil (6) is provided with close out sheet (5), it is characterized in that: the top of described spool (7) is provided with permanent magnet (8), be provided with the drive unit (12) that is used for controlling moving iron core (10) action in the described terminal box (11), described drive unit (12) is electrically connected with coil (6), and drive unit (12) is provided with the control terminal (I that is electrically connected with external control circuit, II), positive power terminal (+) and the power supply terminal (U1 that is connected with the external AC source terminal, U2).
2, numerical control electromagnetic valve as claimed in claim 1; it is characterized in that: described drive unit (12) comprises power circuit and electric power polarity change-over circuit; described power circuit comprises protective circuit, current rectifying and wave filtering circuit, ON-OFF control circuit, and the output terminal of described electric power polarity change-over circuit is electrically connected with relay (J).
3; numerical control electromagnetic valve as claimed in claim 2; it is characterized in that: described protective circuit comprises resistance (R2～R4) and electric capacity (C1); current rectifying and wave filtering circuit comprises diode (D1～D5) and electric capacity (C2; C3); ON-OFF control circuit comprises current-limiting resistance (R1); resistance (R2～R4); photo coupler (OC1) and bidirectional triode thyristor (SCR); (D2～D5) forms the rectification full-bridge for four diodes; an input end of rectification full-bridge connects ac power supply terminal (U1); diode (D1) and two electric capacity (C2; C3) be connected in parallel on the output terminal of rectification full-bridge; an input end of photo coupler (OC1) connects control terminal (I) through current-limiting resistance (R1); another imports termination positive power terminal (+); an output terminal of photo coupler (OC1) connects the control end and the resistance (R3) of two-way controlled (SCR); the other end of resistance (R3) connects the T1 utmost point of bidirectional triode thyristor (SCR); resistance (R4) and ac power supply terminal (U2); the other end of resistance (R4) connects another input end of rectification full-bridge through electric capacity (C1); another output terminal of photo coupler (OC1) connects the T2 utmost point of bidirectional triode thyristor (SCR) and another input end of rectification full-bridge through resistance (R2), and two output terminals of rectification full-bridge are electrically connected with coil (6) through the normally closed point (K) of relay (J).
4, as claim 2 or 3 described numerical control electromagnetic valves, it is characterized in that: described electric power polarity change-over circuit comprises current-limiting resistance (R5), resistance (R6～R8), photo coupler (OC2), bidirectional triode thyristor (SCR2) and electric capacity (C4), an input end of photo coupler (OC2) connects control terminal (II) through current-limiting resistance (R5), another imports termination positive power terminal (+), an output terminal of photo coupler (OC2) connects the control end and the resistance (R6) of bidirectional triode thyristor (SCR2), the other end of resistance (R6) connects the T1 utmost point of bidirectional triode thyristor (SCR2), resistance (R8) and ac power supply terminal (U2), the other end of resistance (R8) connects relay (J) through electric capacity (C4), the other end of relay (J) connects ac power supply terminal (U1), and another output terminal of photo coupler (OC2) connects the T2 utmost point of bidirectional triode thyristor (SCR2) and connects electric capacity (C4) and the tie point of relay (J) through resistance (R7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201572802U CN201170321Y (en) | 2007-11-20 | 2007-11-20 | Numerical control electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201572802U CN201170321Y (en) | 2007-11-20 | 2007-11-20 | Numerical control electromagnetic valve |
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| Publication Number | Publication Date |
|---|---|
| CN201170321Y true CN201170321Y (en) | 2008-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201572802U Expired - Fee Related CN201170321Y (en) | 2007-11-20 | 2007-11-20 | Numerical control electromagnetic valve |
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| CN (1) | CN201170321Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956860A (en) * | 2010-10-28 | 2011-01-26 | 哈尔滨工业大学 | Driving device of solenoid directional valve |
| CN103885472A (en) * | 2012-12-19 | 2014-06-25 | 深圳市大族激光科技股份有限公司 | Multi-mode universal control system of cooler and method thereof |
| US20160319953A1 (en) * | 2013-12-17 | 2016-11-03 | Ningbo Hoyea Industrial Control Technology Co., Ltd. | Electromagnetic Valve |
| CN106531397A (en) * | 2016-12-27 | 2017-03-22 | 宁波市镇海华泰电器厂 | Capacitance energy storage pull-push AC electromagnet |
| CN106783010A (en) * | 2016-12-27 | 2017-05-31 | 宁波市镇海华泰电器厂 | The adjustable push-and-pull alternating electromagnet of startup power |
| CN106783008A (en) * | 2016-12-27 | 2017-05-31 | 宁波市镇海华泰电器厂 | Using the push-and-pull alternating electromagnet of variation electric bridge |
| CN111609149A (en) * | 2020-06-02 | 2020-09-01 | 山东奇威特太阳能科技有限公司 | Magnetic reset direct-acting solenoid valve and reset method of valve inner moving iron core sealing assembly |
-
2007
- 2007-11-20 CN CNU2007201572802U patent/CN201170321Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956860A (en) * | 2010-10-28 | 2011-01-26 | 哈尔滨工业大学 | Driving device of solenoid directional valve |
| CN101956860B (en) * | 2010-10-28 | 2012-01-04 | 哈尔滨工业大学 | Driving device of solenoid directional valve |
| CN103885472A (en) * | 2012-12-19 | 2014-06-25 | 深圳市大族激光科技股份有限公司 | Multi-mode universal control system of cooler and method thereof |
| CN103885472B (en) * | 2012-12-19 | 2017-03-29 | 大族激光科技产业集团股份有限公司 | A kind of cooler multi-mode general-purpose control system and method |
| US20160319953A1 (en) * | 2013-12-17 | 2016-11-03 | Ningbo Hoyea Industrial Control Technology Co., Ltd. | Electromagnetic Valve |
| US10337637B2 (en) * | 2013-12-17 | 2019-07-02 | Ningbo Hoyea Machinery Manufacture Co., Ltd. | Circuit controller for electromagnetic valve |
| CN106531397A (en) * | 2016-12-27 | 2017-03-22 | 宁波市镇海华泰电器厂 | Capacitance energy storage pull-push AC electromagnet |
| CN106783010A (en) * | 2016-12-27 | 2017-05-31 | 宁波市镇海华泰电器厂 | The adjustable push-and-pull alternating electromagnet of startup power |
| CN106783008A (en) * | 2016-12-27 | 2017-05-31 | 宁波市镇海华泰电器厂 | Using the push-and-pull alternating electromagnet of variation electric bridge |
| WO2018121614A1 (en) * | 2016-12-27 | 2018-07-05 | 宁波市镇海华泰电器厂 | Capacitance energy storage push-pull alternating current electromagnet |
| CN111609149A (en) * | 2020-06-02 | 2020-09-01 | 山东奇威特太阳能科技有限公司 | Magnetic reset direct-acting solenoid valve and reset method of valve inner moving iron core sealing assembly |
| CN111609149B (en) * | 2020-06-02 | 2025-08-05 | 山东奇威特太阳能科技有限公司 | Magnetic reset direct-acting solenoid valve and reset method of movable iron core sealing assembly in valve |
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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: 20081224 Termination date: 20101120 |