CN201215190Y - Digital solenoid electric valve - Google Patents
Digital solenoid electric valve Download PDFInfo
- Publication number
- CN201215190Y CN201215190Y CNU2008200993616U CN200820099361U CN201215190Y CN 201215190 Y CN201215190 Y CN 201215190Y CN U2008200993616 U CNU2008200993616 U CN U2008200993616U CN 200820099361 U CN200820099361 U CN 200820099361U CN 201215190 Y CN201215190 Y CN 201215190Y
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- valve
- cylinder
- pipeline
- solenoid valve
- normally open
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Abstract
The utility model discloses a digital solenoid controlled valve, a valve body (1)of a Y-shaped main valve is internally equipped with a spring (10), the outer end of the spring is limited by a valve bonnet (9) covering on the Y-shaped main valve, the inner end is fixed in a U-shaped piston (6) which is disposed in a cylinder (8), the cylinder is fixedly sleeved in the valve body and is disposed between the valve bonnet and a valve seat (3) fixed at tee junction of the valve body, a drainage hole (22) is arranged at the identical circumference of the lower portion of the cylinder, a normally open solenoid valve (14) is arranged on an upper flow pipeline, a normal close solenoid valve (15) is arranged on a lower flow pipeline, the normally open solenoid valve is connected with the normally close solenoid valve via a duct (20), and the duct is communicated with the cylinder after penetrating the valve bonnet via a branch pipe (21). Additionally, the normally open solenoid valve is connected with the normally close solenoid valve and a controller. The utility model has large flow capacity, and has the advantages of capability of realizing remote automatic control with a constant flow and eliminating water hammer, flexible control, small volume, safety, explosion protection, low failure rate, convenient maintenance and the like.
Description
Technical field
The utility model relates to a kind of control valve, especially relates to a kind of digital solenoid electric valve.
Background technique
Control valve claims modulating valve again, is the main type of final controlling element, by accepting to regulate the control signal of control unit output, removes to change fluid flow by power operation.The electricity control valve that surges is to be the control valve that power changes fluid flow with liquid medium (as wet goods) pressure.
The present more employing T type valve body of multifunctional electrohydraulic valve that uses, when flow, rapid change in pressure, water hammer is serious, and the diaphragm life-span is short, measures inaccurate.The flow control valve in the form of piston that uses the Y valve body structure is also arranged, make operating ratio more steady, improved water hammer to a certain extent.But the cylinder body of this class control valve is positioned at the valve body outside, and volume is excessive; When spring drive flap is reciprocating, need in spring, add positioning and guiding mechanisms such as leading truck, valve rod, complex structure.Simultaneously, spring, leading truck, valve rod etc. all directly contact with medium, will bear the impact of medium to a certain extent, and reliability and working life all will be affected.Electro-hydraulic proportional valve main structure and common valve difference are little, and just Proportional valve drives by proportion electro-magnet, and regulation range is narrow, and measuring accuracy is not high, and when pressure or flow change, flow can not be well controlled.
The model utility content
The purpose of this utility model provides and a kind ofly can realize constant current and multistage control function, eliminates water hammer, and volume is small and exquisite, and is simple in structure, reliable and stable digital solenoid electric valve.
In order to achieve the above object, the technical solution of the utility model is as follows: mainly comprise Y type main valve, conduit, this conduit communicates with the valve inlet and the valve export of Y type main valve respectively, in the valve body of described Y type main valve, spring is housed, its key is: the outer end of described spring is spacing by the valve gap that covers on Y type main valve, the inner is fixed in the U-shaped piston, this piston is positioned at cylinder, described cylinder is solidly set in the valve body, and at valve gap and be fixed between the valve seat of valve body trident intersection, on the same circumference of this cylinder lower, have discharge orifice, the control loop that described conduit is formed is divided into upper reaches pipeline and dirty pipeline, described upper reaches pipeline is provided with normally open solenoid valve, dirty pipeline is provided with normally closed solenoid valve, and the upper reaches pipeline communicates with valve inlet, and dirty pipeline communicates with valve export, described normally open solenoid valve links to each other through conduit with normally closed solenoid valve, and this conduit passes valve gap by arm and is communicated with cylinder.
The utility model adopts Y type main valve, the semi-streamlined form design, and inflow-rate of water turbine is big.Inject or discharge the size of piston flow by medium, make the piston two ends produce pressure reduction, impel spring to drive piston to-and-fro motion in cylinder, make discharge orifice be in the switching that the mode of being blocked or opening by piston is controlled main valve, simple in structure, stable action is reliable, and noise is little, the pressure loss is little, and is wear-resisting durable.On the pipeline of control loop upper reaches, normally open solenoid valve is installed, on the dirty pipeline of control loop, normally closed solenoid valve is installed, by two solenoid valves are carried out switching, make the pressure duct at upper reaches be in turned on or off, and then make the piston two ends produce pressure reduction, promote piston up-down, main valve is opened or closed.
Described digital solenoid electric valve, the coil of described normally open solenoid valve and normally closed solenoid valve all is connected with controller.Controller can be switched on to electromagnetic valve coil according to changes in flow rate.In flow process, to the normally open solenoid valve coil electricity, make the aperture of solenoid valve keep certain value, the flow of medium that flows through normally open solenoid valve is controlled, thereby make the flow of the medium that injects piston also controlled, piston two ends pressure reduction remains a fixed value, makes piston be in the cylinder fixed position, thereby make main valve by hydraulic lock at fixing open position, kept constant flow rate.When operating conditions changes when causing changes in flow rate, to respective electrical magnet valve coil electricity, adjust the aperture size of solenoid valve by controller, just flow can be transferred to again the flow value of setting.Controller can be set a plurality of continuous or discrete flow values, realizes multistage control function.
Described digital solenoid electric valve, the outer surface middle and upper part of described U-shaped piston has the twice groove, be inlaid with the YX RunddichtringO in this groove, between described valve seat and valve body, be provided with pad, between described valve seat top and cylinder, be provided with O RunddichtringO and pad.Valve body, valve seat, cylinder, piston space are provided with the elastic packing assembly, effectively prevent the medium seepage.When piston motion was arrived bottom, main valve was closed fully, and the position of YX RunddichtringO should be higher than the position of discharge orifice at this moment.
Described digital solenoid electric valve, the pipeline between described conduit and valve export is provided with manual ball valve.When outage or solenoid valve can not work the time, can open and close main valve by manual ball valve.
Described digital solenoid electric valve is provided with ball valve on described upper reaches pipeline and dirty pipeline.This ball valve is as the responsive valves of main valve, adjusts the switching of two ball valves according to dielectric viscosity and pressure, and the rate-of flow that flows through ball valve is controlled, injects piston or discharge time of medium from piston controlled, just can finely tune the main valve switching time.
The beneficial effects of the utility model are:
1, adopt Y type main valve, the semi-streamlined form design, inflow-rate of water turbine is big;
2, use controller that solenoid valve is controlled, can realize that long-range flow setting type controls automatically, exempt to adorn bypass circulation, improve system's measuring accuracy, realize constant current and multistage control function;
3, elastic packing design, ne-leakage;
4, have good switching function, eliminate water hammer;
5, control is flexible, and volume is small and exquisite, safety anti-explosive, and rate of fault is low and easy to maintenance.
6, reliable and stable, long service life, applied widely.
Description of drawings
Fig. 1 is a schematic representation of the present utility model, and wherein P1 is a valve inlet place pressure, and P2 is a valve export place pressure, and P3 is the pressure medium by normally open solenoid valve.
Fig. 2 is the structural drawing of the Y type main valve among Fig. 1.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
As shown in Figure 1 and Figure 2, digital solenoid electric valve mainly comprises Y type main valve 19, conduit 18.Valve seat 3 is fixed on valve body 1 trident intersection, is lined with pad 2 at valve seat 3 and 1 of valve body.Cylinder 8 is solidly set in the valve body 1, between valve seat 3 and valve gap 9, on this same circumference in cylinder 8 bottoms, have four discharge orifices 22, between valve seat 3 tops and cylinder 8, be provided with O RunddichtringO 4 and pad 5, be inlaid with O RunddichtringO 11 with the place that valve body 1, valve gap 9 contact on cylinder 8 tops.U type piston 6 is positioned at cylinder 8, and piston 6 outer surface middle and upper parts have the twice groove, are inlaid with YX RunddichtringO 7 in the groove.The outer end of spring 10 is spacing by the valve gap 9 that covers on Y type main valve 19, and the inner is fixed in the U-shaped piston 6.The control loop that conduit 18 is formed is divided into upper reaches pipeline and dirty pipeline, the upper reaches pipeline is provided with normally open solenoid valve 14, dirty pipeline is provided with normally closed solenoid valve 15, the upper reaches pipeline communicates with valve inlet 12, dirty pipeline communicates with valve export 13, normally open solenoid valve 14 links to each other through conduit 20 with normally closed solenoid valve 15, and this conduit 20 passes valve gap 9 by arm 21 and is communicated with cylinder 8.The coil of normally open solenoid valve 14 and normally closed solenoid valve 15 is connected with controller.The pipeline that conduit 20 and valve export are 13 is provided with manual ball valve 17, is provided with ball valve 16 on upper reaches pipeline and dirty pipeline, also can be with needle-valve or other similar valves.
Working condition of the present utility model is: medium enters main valve by valve inlet 12, and by upper reaches pipeline arrival normally open solenoid valve 14, after two electromagnetic valve coil energisings, normally open solenoid valve 14 cuts out, and normally closed solenoid valve 15 is opened, the pressure duct at upper reaches is blocked, medium in the piston 6 is discharged to dirty pipeline, and piston 6 two ends produce pressure reduction, and the medium of valve inlet 12 promotes piston 6 and moves upward, discharge orifice is opened, and main valve is opened; When two solenoid valve outages, normally open solenoid valve 14 is replied normal state with normally closed solenoid valve 15, and the pressure duct at upper reaches is opened, medium injects in the piston 6 by normally open solenoid valve 14, and piston 6 internal pressures increase, and promotes piston 6 and moves downward, discharge orifice is plugged, and main valve is closed.In flow process, set flow value by controller, and to normally open solenoid valve 14 coil electricities, solenoid valve is opened certain aperture, and control flows is crossed the flow of normally open solenoid valve 14, thereby makes the flow of the medium that injects piston 6 also controlled, piston 6 two ends pressure reduction remain a fixed value, piston 6 is in cylinder 8 fixed positions, thus make main valve by hydraulic lock at fixing open position, kept constant flow rate.When operating conditions changes when causing changes in flow rate, to respective electrical magnet valve coil electricity, adjust the aperture size of solenoid valve by controller, just flow can be transferred to again the flow value of setting.When dielectric viscosity and variation in pressure, adjust the switching of two ball valves 16 on the pipeline, just can finely tune main valve and open and close the time.
Claims (5)
1, a kind of digital solenoid electric valve, mainly comprise Y type main valve (19), conduit (18), this conduit (18) communicates with the valve inlet (12) and the valve export (13) of Y type main valve (19) respectively, in the valve body (1) of described Y type main valve, spring (10) is housed, it is characterized in that: the outer end of described spring (10) is spacing by the valve gap (9) that covers on Y type main valve (19), the inner is fixed in the U-shaped piston (6), this piston (6) is positioned at cylinder (8), described cylinder (8) is solidly set in the valve body (1), and be positioned at valve gap (9) and be fixed between the valve seat (3) of valve body (1) trident intersection, on the same circumference in this cylinder (8) bottom, have discharge orifice (22), the control loop that described conduit (18) is formed is divided into upper reaches pipeline and dirty pipeline, described upper reaches pipeline is provided with normally open solenoid valve (14), dirty pipeline is provided with normally closed solenoid valve (15), the upper reaches pipeline communicates with valve inlet (12), dirty pipeline communicates with valve export (13), described normally open solenoid valve (14) links to each other through conduit (20) with normally closed solenoid valve (15), and this conduit (20) passes valve gap (9) by arm (21) and is communicated with cylinder (8).
2, digital solenoid electric valve according to claim 1 is characterized in that: the coil of described normally open solenoid valve (14) and normally closed solenoid valve (15) all is connected with controller (23).
3, digital solenoid electric valve according to claim 1, it is characterized in that: the outer surface middle and upper part of described U-shaped piston (6) has the twice groove, be inlaid with YX RunddichtringO (7) in this groove, between described valve seat (3) and valve body (1), be provided with pad (2), between described valve seat (3) top and cylinder (8), be provided with O RunddichtringO (4) and pad (5).
4, digital solenoid electric valve according to claim 1 is characterized in that: the pipeline between described conduit (20) and valve export (13) is provided with manual ball valve (17).
5, digital solenoid electric valve according to claim 1 is characterized in that: be provided with ball valve (16) on described upper reaches pipeline and dirty pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200993616U CN201215190Y (en) | 2008-07-07 | 2008-07-07 | Digital solenoid electric valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200993616U CN201215190Y (en) | 2008-07-07 | 2008-07-07 | Digital solenoid electric valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201215190Y true CN201215190Y (en) | 2009-04-01 |
Family
ID=40520394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200993616U Expired - Lifetime CN201215190Y (en) | 2008-07-07 | 2008-07-07 | Digital solenoid electric valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201215190Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103233905A (en) * | 2013-04-17 | 2013-08-07 | 江苏振华泵业制造有限公司 | Voltage stabilizing and current limiting device of matched centrifugal pump |
| CN103256271A (en) * | 2013-04-28 | 2013-08-21 | 潍坊威度电子科技有限公司 | Single-action hydraulic oil cylinder tractor suspension hydraulic system based on electromagnetic digital valve |
| CN104005451A (en) * | 2013-02-27 | 2014-08-27 | 上海威派格环保科技有限公司 | Pre-opening pressure relief device |
| CN105650316A (en) * | 2016-03-01 | 2016-06-08 | 上海冠龙阀门机械有限公司 | Built-in diaphragm type sleeve valve |
| CN110735723A (en) * | 2019-10-22 | 2020-01-31 | 北京动力机械研究所 | Flow regulating active position holding system after abnormal power off of engine controller |
| CN112879632A (en) * | 2021-02-09 | 2021-06-01 | 国家石油天然气管网集团有限公司华南分公司 | Gear motor direct-drive and manual dual-mode electromagnetic pilot type axial flow water hammer relief valve |
| CN113339570A (en) * | 2021-06-29 | 2021-09-03 | 浙江中孚流体机械有限公司 | Opening-controllable electromagnetic valve |
-
2008
- 2008-07-07 CN CNU2008200993616U patent/CN201215190Y/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005451A (en) * | 2013-02-27 | 2014-08-27 | 上海威派格环保科技有限公司 | Pre-opening pressure relief device |
| CN103233905A (en) * | 2013-04-17 | 2013-08-07 | 江苏振华泵业制造有限公司 | Voltage stabilizing and current limiting device of matched centrifugal pump |
| CN103256271A (en) * | 2013-04-28 | 2013-08-21 | 潍坊威度电子科技有限公司 | Single-action hydraulic oil cylinder tractor suspension hydraulic system based on electromagnetic digital valve |
| CN103256271B (en) * | 2013-04-28 | 2017-03-29 | 潍坊威度电子科技有限公司 | Single-action hydrocylinder tractor suspension hydraulic system based on electromagnetic digital valve |
| CN105650316A (en) * | 2016-03-01 | 2016-06-08 | 上海冠龙阀门机械有限公司 | Built-in diaphragm type sleeve valve |
| CN105650316B (en) * | 2016-03-01 | 2017-11-28 | 上海冠龙阀门机械有限公司 | A kind of built-in membrane formula telescoping valve |
| CN110735723A (en) * | 2019-10-22 | 2020-01-31 | 北京动力机械研究所 | Flow regulating active position holding system after abnormal power off of engine controller |
| CN110735723B (en) * | 2019-10-22 | 2022-03-08 | 北京动力机械研究所 | Position retaining system for flow regulating valve after abnormal power failure of engine controller |
| CN112879632A (en) * | 2021-02-09 | 2021-06-01 | 国家石油天然气管网集团有限公司华南分公司 | Gear motor direct-drive and manual dual-mode electromagnetic pilot type axial flow water hammer relief valve |
| CN112879632B (en) * | 2021-02-09 | 2023-01-17 | 国家石油天然气管网集团有限公司华南分公司 | Gear motor direct drive and manual dual-mode electromagnetic pilot axial flow water hammer pressure relief valve |
| CN113339570A (en) * | 2021-06-29 | 2021-09-03 | 浙江中孚流体机械有限公司 | Opening-controllable electromagnetic valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090401 |
|
| CX01 | Expiry of patent term |