CN2406123Y - Double stabilized pulse electromagnetic water-inlet valve - Google Patents
Double stabilized pulse electromagnetic water-inlet valve Download PDFInfo
- Publication number
- CN2406123Y CN2406123Y CN 99240397 CN99240397U CN2406123Y CN 2406123 Y CN2406123 Y CN 2406123Y CN 99240397 CN99240397 CN 99240397 CN 99240397 U CN99240397 U CN 99240397U CN 2406123 Y CN2406123 Y CN 2406123Y
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- Prior art keywords
- spool
- sealing
- valve
- magnetic
- valve core
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- Expired - Fee Related
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Abstract
The utility model relates to a double stabilized pulse electromagnetic water-inlet valve, which comprises a valve body, a filter screen, a flow guiding frame and a flow guiding ring, whrerin, the filter screen, the flow guiding frame and the flow guiding ring are arranged in the valve body. The upper end of the right part of the valve body is provided with a sealing element and a sealing element frame erected on the sealing element; a valve core guiding frame is arranged on the sealing element; a valve core, a spring and a sealing head are arranged in the valve core guiding frame, wherein, the spring and the sealing head are positioned on and under the valve core; the utility model also comprises an excitation coil and a magnetic yoke which are sheathed outside the valve core guiding frame. The utility model is characterized in that a permanent magnet and a magnetic conductive sheet are respectively arranged on and under a cross frame of the valve core guiding frame. The excitation coil, the magnetic yoke, the valve core, the magnetic conductive plate 11 and the permanent magnet form a magnetic loop; the production quality and the service life can be increased.
Description
The utility model relates to a kind of electromagnetic water inlet valve, relates in particular to the electromagnetic pilot-operated bi-stable pulse magnetic inlet valve that a kind of washing machine, drinking machine are used.
The water inlet control of washing machine and drinking machine is what to realize by the control to electromagnetism.The electromagnetic water inlet valve of prior art mainly contains valve body, filter screen, water conservancy diversion frame, baffle liner, Sealing, Sealing frame, spool leading truck, sealing head, spool, spring, yoke, field coil and forms, tension force by spring moves spool with retraction, controls flowing of refrigerant liquid thus.But there is following defective in actual use in the solenoid valve of prior art:
1. electromagnetic valve coil spoilage height.
Because the mechanics limit of prior art solenoid valve, therefore solenoid valve is when work, electromagnetic coil needs long-term energising, therefore not only to consume many energy, more thus the enameled cable in the electromagnetic coil is required than higher, usually adopt a kind of thinner enameled cable, not only cost is bigger for it, and make it easy elongation owing to enameled cable is meticulous, will increase by electric current and the enameled cable after elongating flows through on unit area, electromagnetic coil is in "on" position for a long time in addition, makes it heating and fuses, so the electromagnetic coil proportion of goods damageds are higher.
2. unstable working condition.
Because the prior art solenoid valve makes spool move its control function of realization by the tension force and the retraction of spring, therefore not only require to have enough the trying hard to recommend spring of moving to uphold, and, service time of a specified duration make it tension force and change, make solenoid valve the situation of unstable working condition occur thus.
3. noise is bigger.
Since the prior art solenoid valve when work electromagnetic coil need the long-term bigger alternating current (a.c.) of connecting, can take place after long-term the use drone ... back drop produces bigger noise thus.
4. the valve core of the electromagnetic valve saddle is out of shape and stuck spool.
Since the prior art solenoid valve when work electromagnetic coil need long-term energising, make it to produce high temperature, spool saddle Yin Gaowen and being out of shape makes it stuck spool, makes the spool cisco unity malfunction.
The purpose of this utility model provides a kind of improved bi-stable pulse magnetic inlet valve, the electromagnetic water inlet valve that it can move to noiseless, and its power consumption is extremely low, cost descends, and favorable working performance and stable working state.
The purpose of this utility model is achieved in that
A kind of bi-stable pulse magnetic inlet valve comprises: a valve body is arranged on filter screen, water conservancy diversion frame, baffle liner in the valve body; Right part upper end at valve body is provided with Sealing and the Sealing frame that is erected on the Sealing; Be arranged on the spool leading truck on the Sealing, be provided with spool in it and be positioned at spool spring and sealing head up and down; Be set in spool leading truck outer field coil and yoke; Be characterized in: be provided with a permanent magnet and a magnetic conducting plate in described spool leading truck, described field coil and yoke and spool, magnetic conducting plate, permanent magnet constitute magnetic loop.
In above-mentioned bi-stable pulse magnetic inlet valve, wherein, the top of described spool leading truck is the H shape, and described permanent magnet and magnetic conducting plate are separately positioned on the upper-lower position place of H shape spool leading truck crossbearer.
The utility model bi-stable pulse magnetic inlet valve makes it compared with prior art owing to adopted above-mentioned water inlet scheme, has following advantage and good effect:
1. improved product working life.
Because the work of the utility model electromagnetic valve switch the time only needs immediate current, steady state no current, so field coil do not have temperature rise and form, thus prolonged enameled cable working life, also reduced manufacture cost; Simultaneously, after the field coil operating voltage changes 12V into by 220V, reduce the insulation class of coil, reduced the puncture and the Inter-turn Short Circuit Phenomenon of coil, thereby improved the reliable of product.
2. prevent the distortion of valve core of the electromagnetic valve saddle and the phenomenon of stuck spool.
Owing to only need immediate current during the work of the utility model electromagnetic valve switch, can not produce high temperature, thereby avoid the spool saddle because of the stuck spool phenomenon of high temperature deformation, make spool energy proper functioning.
3. eliminate the noise of solenoid valve.
Because the utility model adopts direct current moment energising, product can not produce the noise of Ac magnetosonic thus.
4. energy-conservation.
Therefore the utility model has saved many energy because field coil adopts instantaneous energising, has improved product quality and has reduced the power consumption index.
5. control circuit is simple.
Can further understand the purpose of this utility model, specific structural features and advantage by a following embodiment in conjunction with the description of its accompanying drawing to the utility model bi-stable pulse magnetic inlet valve.Wherein, accompanying drawing is:
Fig. 1 is the structural representation according to the bi-stable pulse magnetic inlet valve that the utility model proposes;
Fig. 2 is an electromagnetic valve electrical schematic diagram in the utility model bi-stable pulse magnetic inlet valve.
As shown in Figure 1, the utility model bi-stable pulse magnetic inlet valve comprises: a valve body 1, and it has a water intake 11 and a water outlet 12, is provided with the filter screen 2 that is used for filtered water, the water conservancy diversion frame 3 and the baffle liner 4 of guiding current direction in valve body 1; Be provided with Sealing 5 in the right part of valve body 1 upper end, be connected with Sealing 5 and be erected at Sealing frame 6 on the Sealing 5, be formed centrally a poppet port 13 in the sealing part frame 6; Be arranged on the spool leading truck 7 on the Sealing 5, be provided with spool 9 in the spool leading truck 7 and be positioned at spring 10 and the sealing head 8 of spool about in the of 9, sealing 8 is positioned on the valve port 1; Be set in field coil 13 and yoke 14 outside the spool leading truck 7.Be characterized in, in spool leading truck 7, also be provided with a permanent magnet 12 and a magnetic conducting plate 11, and the top of spool leading truck 7 is the H shape, a described permanent magnet 12 and a magnetic conducting plate 11 are separately positioned on the upper-lower position place of the crossbearer 71 of H shape spool leading truck 7, and make field coil 13, yoke 14 constitute magnetic loop, form leading type pulse electromagnetic inlet valve with spool 9, magnetic conducting plate 11, permanent magnet 12; The electromagnetic valve parts are arranged in the electrical equipment control loop of washing machine, drinking machine (not shown).
Please cooperate referring to shown in Figure 2, this is an electromagnetic valve electrical schematic diagram in the utility model bi-stable pulse magnetic inlet valve, components and parts are arranged in the washing machine appliance controling plate, advance valve control relay J by former electromagnetism and form with storage capacitor C1, current-limiting resistance R, differential capacitance C2 and the field coil 13 set up.Wherein, relay J contact common port, connect field coil 13+the 250# inserted sheet, a 250# inserted sheet of the anodal field coil 13 of differential capacitance C2, differential capacitance C2 negative pole is succeeded electrical equipment J normally closed interlock 2, relay normally open contact 3 connects the positive pole of current-limiting resistance and C1.
Working principle of the present utility model following (please cooperate) referring to shown in Fig. 1,2,
Relay J is in power failure state at ordinary times, and DC electrical source is through current-limiting resistance R, to storage capacitor C1 charging (its effect reduces the influence of instant excitation to the The whole control circuit), the time t=R * C1 of charging.
When the relay J adhesive, the normally open contact closure, normally closed interlock is opened, (electric energy on the storage capacitor C1 charges instantaneous maximum current 80mA to differential capacitance C2 charging through relay J normally open contact and field coil 13, maximum instantaneous power consumption 1W), finish after being charged to supply voltage, in charging process, field coil 13 produces magnetic field, through yoke 14 and spool 9, magnetic conducting plate 11, permanent magnet 12 constitutes magnetic loop in the same way, make spool 9 produce magnetic fields, the magnetic direction of magnetic direction and permanent magnet 12 is identical and produce the suction-combining force in the same way, and the while is under the effect of field coil 13 and yoke 14, spool 9 is moved to permanent magnet 12 directions, two power merge the magnetic conducting plate 11 the overcome spring 10 power backward shifts position (magnetic conducting plate rises and leads the permanent magnet magnetic field action) that contacts, and by the adhesive of the magnetic field of permanent magnet 12 institute, finish no electric auto-lock function.At this moment, poppet port 13 on the Sealing frame 6 is opened, hydraulic pressure is by removal in Sealing 5 and Sealing frame 6 back of the body chambeies, valve port 13 on the valve body 1 is opened under the effect that adds hydraulic pressure, finishes the guide and opens the valve process, and current flow to water outlet 12 by water intake 11, after capacitor C 2 is charged to supply voltage, electric current in the field coil 13 is 0, and spool 9 is finished no electric auto-lock function by 12 adhesives of permanent magnet at this moment.
When relay J discharged, normally open contact discharged, the normally closed interlock closure, and the electric energy on the differential capacitance C2 is through field coil 13 back discharges, and field coil 13 obtains the back discharge electric current.In the discharge current process, spool 9 is produced and the opposite electromagnetic field of permanent magnet 12 magnetic directions, thereby produce repulsive force, and make a concerted effort to seal poppet port 13 with spring 10, after discharge finished, direction 9 kept poppet port 13 sealing states under the effect of spring 10 power.Adding hydraulic pressure after poppet port 13 is sealed pressurizes in Sealing 5 and Sealing frame 6 back of the body chambeies through the hydraulic pressure on the Sealing frame 6, when cavity pressure is higher than the valve port pressure of valve body 1, Sealing 5 is self acting stop valve mouth 13 under differential pressure action, finish the guide and close closed procedure, promptly under the effect of hydraulic pressure and spring 10, do not have electric self-locking and closed valve.
In sum, the utility model bi-stable pulse magnetic inlet valve only needs immediate current when working owing to electromagnetic valve switch, the steady state no current, therefore field coil does not have temperature rise formation, thereby quality of product and working life have been improved, and low, the noiseless of its energy consumption, control circuit is simple, and is therefore very practical.
Claims (2)
1. bi-stable pulse magnetic inlet valve comprises:
One valve body (1) is arranged on filter screen (2), water conservancy diversion frame (3), baffle liner (4) in the valve body (1);
Right part upper end at valve body (1) is provided with Sealing (5) and the Sealing frame (6) that is erected on the Sealing;
Be arranged on the spool leading truck (7) on the Sealing (5), be provided with spool (9) in it and be positioned at spool (9) spring (10) and sealing head (8) up and down;
Be set in outer field coil (13) of spool leading truck (7) and yoke (14);
It is characterized in that:
Be provided with a permanent magnet (12) and a magnetic conducting plate (11) in described spool leading truck (7), described field coil (13) constitutes magnetic loop with yoke (14) and spool (9), magnetic conducting plate (11), permanent magnet (12).
2. bi-stable pulse magnetic inlet valve as claimed in claim 1, it is characterized in that: the top of described spool leading truck (7) is the H shape, and described permanent magnet (12) and magnetic conducting plate (11) are separately positioned on the upper-lower position place of H shape spool leading truck (7) crossbearer (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99240397 CN2406123Y (en) | 1999-11-22 | 1999-11-22 | Double stabilized pulse electromagnetic water-inlet valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99240397 CN2406123Y (en) | 1999-11-22 | 1999-11-22 | Double stabilized pulse electromagnetic water-inlet valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2406123Y true CN2406123Y (en) | 2000-11-15 |
Family
ID=34027450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99240397 Expired - Fee Related CN2406123Y (en) | 1999-11-22 | 1999-11-22 | Double stabilized pulse electromagnetic water-inlet valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2406123Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226480A (en) * | 2011-04-12 | 2011-10-26 | 鲍伟军 | Valve head for pulse solenoid valve |
| WO2012167427A1 (en) * | 2011-06-08 | 2012-12-13 | Tang Hongzhi | Bistable pulse electromagnetic valve |
| WO2012167426A1 (en) * | 2011-06-08 | 2012-12-13 | Tang Hongzhi | Bistable pulse solenoid valve |
| CN102853107A (en) * | 2012-09-29 | 2013-01-02 | 侯全舵 | Water path switch valve |
| CN103423503A (en) * | 2012-05-14 | 2013-12-04 | 株式会社电装 | Electromagnetic actuator |
| CN107725786A (en) * | 2017-09-29 | 2018-02-23 | 宁波捷尔天电气有限公司 | A kind of safe pilot solenoid valve |
| CN108331924A (en) * | 2016-03-28 | 2018-07-27 | 广东普洛测控科技有限公司 | A kind of downhole pulser control valve of low remanent magnetism |
-
1999
- 1999-11-22 CN CN 99240397 patent/CN2406123Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226480A (en) * | 2011-04-12 | 2011-10-26 | 鲍伟军 | Valve head for pulse solenoid valve |
| WO2012167427A1 (en) * | 2011-06-08 | 2012-12-13 | Tang Hongzhi | Bistable pulse electromagnetic valve |
| WO2012167426A1 (en) * | 2011-06-08 | 2012-12-13 | Tang Hongzhi | Bistable pulse solenoid valve |
| CN103423503A (en) * | 2012-05-14 | 2013-12-04 | 株式会社电装 | Electromagnetic actuator |
| CN102853107A (en) * | 2012-09-29 | 2013-01-02 | 侯全舵 | Water path switch valve |
| CN102853107B (en) * | 2012-09-29 | 2014-02-26 | 侯全舵 | Water path switch valve |
| CN108331924A (en) * | 2016-03-28 | 2018-07-27 | 广东普洛测控科技有限公司 | A kind of downhole pulser control valve of low remanent magnetism |
| CN108331924B (en) * | 2016-03-28 | 2020-04-14 | 广东普洛测控科技有限公司 | Low-remanence underground pulse generator control valve |
| CN107725786A (en) * | 2017-09-29 | 2018-02-23 | 宁波捷尔天电气有限公司 | A kind of safe pilot solenoid valve |
| CN107725786B (en) * | 2017-09-29 | 2024-04-26 | 宁波捷尔天电气有限公司 | Safe pilot electromagnetic valve |
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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 |