CN203655754U - Digital modulation type hydraulic fast switching valve - Google Patents
Digital modulation type hydraulic fast switching valve Download PDFInfo
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- CN203655754U CN203655754U CN201320792891.XU CN201320792891U CN203655754U CN 203655754 U CN203655754 U CN 203655754U CN 201320792891 U CN201320792891 U CN 201320792891U CN 203655754 U CN203655754 U CN 203655754U
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- valve body
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- modulation type
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Abstract
The utility model discloses a digital modulation type hydraulic fast switching valve. The digital modulation type hydraulic fast switching valve comprises an upper valve cover and a lower valve cover, wherein an upper valve body and a lower valve body are arranged inside the lower valve cover; a giant magnetostrictive actuator is arranged inside the upper valve cover and comprises an electromagnetic coil; a giant magnetostrictive rod is arranged inside the electromagnetic coil; the upper valve body and the lower valve body are provided with an oil inlet and an oil outlet respectively; a conical valve core is arranged inside the lower valve body; a reset spring is arranged between the bottom of the conical valve core and the bottom wall of the lower valve body; a sealing surface is formed between the conical face of the conical valve core and the upper valve body; the upper end of the conical valve core abuts against the lower end of the giant magnetostrictive rod through an output push rod. The output push rod can be divided into two sections, and a hydraulic amplification mechanism is arranged between the two sections of the output push rod. The digital modulation type hydraulic fast switching valve is simple in structure, the electromagnetic coil can be directly connected with a digital bus interface of a computer through a control circuit, and the digital modulation type hydraulic fast switching valve has the characteristics of high flow and high frequency at the same time.
Description
Technical field
The utility model relates to a kind of hydraulic control (servo) system control valve, relates in particular to a kind of Digital Modulation type Hydraulic high-speed on-off valve.
Background technique
Hydraulic high-speed on-off valve, similar with hydraulic efficiency servo-valve and hydraulic proportion valve, be a kind of control unit in hydraulic control system, be also energy conversion component simultaneously.Because Hydraulic high-speed on-off valve works in open and close two states, compare with Proportional valve with servovalve, be easy to manufacturing, antifouling property is good, be easy to and the excellent specific property of computer interface and electric controlled energy saving, received certain concern in modern age in hydraulic control system.But in prior art, the driving of Hydraulic high-speed on-off valve is pulse signal (as PWM-type, pwm signal), is not also pure digi-tal control signal; Meanwhile, the contradiction of high frequency sound (rapidity) and large flow, fails to solve well so far.
Summary of the invention
The purpose of this utility model is to provide a kind of simple in structure, Digital Modulation type Hydraulic high-speed on-off valve of possessing large flow and high frequency sound characteristic.
The purpose of this utility model is achieved through the following technical solutions:
Digital Modulation type Hydraulic high-speed on-off valve of the present utility model, comprises bonnet, bottom flange, is provided with upper valve body and lower valve body in described bottom flange, in described bonnet, is provided with super-magnetostrictive drive;
Described super-magnetostrictive drive comprises electromagnetic coil, in described electromagnetic coil, is provided with giant magnetostrictive rod;
Described upper valve body and lower valve body are respectively equipped with filler opening and oil outlet, in described lower valve body, be provided with poppet valve core, between the bottom of described poppet valve core and the diapire of described lower valve body, be provided with Returnning spring, between the conical surface of described poppet valve core and described upper valve body, form sealing surface, the upper end of described poppet valve core is against the lower end of described giant magnetostrictive rod by output push rod.
The technological scheme being provided by above-mentioned the utility model can be found out, the Digital Modulation type Hydraulic high-speed on-off valve that the utility model embodiment provides, owing to comprising super-magnetostrictive drive, in lower valve body, be provided with poppet valve core, between the diapire of the bottom of poppet valve core and lower valve body, be provided with Returnning spring, between the conical surface of poppet valve core and upper valve body, form sealing surface, the upper end of poppet valve core is against the lower end of giant magnetostrictive rod by output push rod, simple in structure, electromagnetic coil can pass through control circuit directly and computer digit EBI, possess large flow and high frequency sound characteristic simultaneously.
Accompanying drawing explanation
The not structural representation of the Digital Modulation type Hydraulic high-speed on-off valve with hydraulic pressure enlarger that Fig. 1 provides for the utility model embodiment one;
The structural representation of the Digital Modulation type Hydraulic high-speed on-off valve with hydraulic pressure enlarger that Fig. 2 provides for the utility model embodiment two.
In figure:
1. Cock screw, 2. Returnning spring, 3. spool valve pocket, 4. oil outlet, 5. filler opening, 6. water-cooling tube, 7. bonnet, 8. electromagnetic coil, 9. coil rack, 10. electromagnetic coil outlet, 11. Cock screws, 12. giant magnetostrictive rods (GMM rod), 13. giant magnetostrictive rod sleeves, 14. loaded springs, 15. end caps, 16. attachment bolts, 17. output push rods, 18. locating studs, 19. poppet valve cores, 20. bottom flanges, 21. hydraulic pressure enlargers.
Embodiment
To be described in further detail the utility model embodiment below.
Digital Modulation type Hydraulic high-speed on-off valve of the present utility model, its preferably embodiment be:
Comprise bonnet, bottom flange, in described bottom flange, be provided with upper valve body and lower valve body, in described bonnet, be provided with super-magnetostrictive drive;
Described super-magnetostrictive drive comprises electromagnetic coil, in described electromagnetic coil, is provided with giant magnetostrictive rod;
Described upper valve body and lower valve body are respectively equipped with filler opening and oil outlet, in described lower valve body, be provided with poppet valve core, between the bottom of described poppet valve core and the diapire of described lower valve body, be provided with Returnning spring, between the conical surface of described poppet valve core and described upper valve body, form sealing surface, the upper end of described poppet valve core is against the lower end of described giant magnetostrictive rod by output push rod.
Described output push rod is divided into two sections, between two sections of output push rods, is provided with hydraulic pressure enlarger.
Between the upper end of described output push rod and the lower end of described giant magnetostrictive rod, be provided with loaded spring.
The bottom centre of described bottom flange and the top center of described bonnet are respectively equipped with Cock screw, the end of the Cock screw of described bottom flange bottom is against the lower end of described Returnning spring, and the end of the Cock screw at described bonnet top is against the upper end of described giant magnetostrictive rod.
The bottom of described bottom flange and the top of described bonnet are respectively equipped with end cap.
Specific embodiment:
As shown in Figure 1, be the Digital Modulation Hydraulic high-speed on-off valve with hydraulic pressure enlarger not;
As shown in Figure 2, be the Digital Modulation Hydraulic high-speed on-off valve with hydraulic pressure enlarger, amplify the elongation of giant magnetostrictive rod by the hydraulic pressure enlarger based on jack principle, thereby reach the requirement of spool travel.
The working principle of specific embodiment is:
In the time that electromagnetic coil is switched on, giant magnetostrictive rod issues looks in the effect of driving magnetic field and answers elongation strain (can control by the electric current of control inputs ouput force and the displacement of super-magnetostrictive drive), the ouput force of super-magnetostrictive drive and displacement (in specific embodiment two, amplifying ouput force and the displacement of super-magnetostrictive drive by hydraulic pressure enlarger) promote valve core movement, thereby make integral valve reach power and the displacement of regulation flow, now, poppet valve core separates with upper valve body, and filler opening is communicated with return opening; In the time of electromagnetic coil power-off, poppet valve core is rapid return under the effect of Returnning spring, compresses filler opening and oil outlet isolation with upper valve body.Electromagnetic coil can pass through control circuit directly and computer digit EBI, possesses large flow and high frequency sound characteristic simultaneously.
The above; it is only preferably embodiment of the utility model; but protection domain of the present utility model is not limited to this; any be familiar with those skilled in the art the utility model disclose technical scope in; the variation that can expect easily or replacement, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (5)
1. a Digital Modulation type Hydraulic high-speed on-off valve, is characterized in that, comprises bonnet, bottom flange, is provided with upper valve body and lower valve body in described bottom flange, in described bonnet, is provided with super-magnetostrictive drive;
Described super-magnetostrictive drive comprises electromagnetic coil, in described electromagnetic coil, is provided with giant magnetostrictive rod;
Described upper valve body and lower valve body are respectively equipped with filler opening and oil outlet, in described lower valve body, be provided with poppet valve core, between the bottom of described poppet valve core and the diapire of described lower valve body, be provided with Returnning spring, between the conical surface of described poppet valve core and described upper valve body, form sealing surface, the upper end of described poppet valve core is against the lower end of described giant magnetostrictive rod by output push rod.
2. Digital Modulation type Hydraulic high-speed on-off valve according to claim 1, is characterized in that, described output push rod is divided into two sections, between two sections of output push rods, is provided with hydraulic pressure enlarger.
3. Digital Modulation type Hydraulic high-speed on-off valve according to claim 2, is characterized in that, between the upper end of described output push rod and the lower end of described giant magnetostrictive rod, is provided with loaded spring.
4. according to the Digital Modulation type Hydraulic high-speed on-off valve described in claim 1,2 or 3, it is characterized in that, the bottom centre of described bottom flange and the top center of described bonnet are respectively equipped with Cock screw, the end of the Cock screw of described bottom flange bottom is against the lower end of described Returnning spring, and the end of the Cock screw at described bonnet top is against the upper end of described giant magnetostrictive rod.
5. Digital Modulation type Hydraulic high-speed on-off valve according to claim 4, is characterized in that, the bottom of described bottom flange and the top of described bonnet are respectively equipped with end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320792891.XU CN203655754U (en) | 2013-12-04 | 2013-12-04 | Digital modulation type hydraulic fast switching valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320792891.XU CN203655754U (en) | 2013-12-04 | 2013-12-04 | Digital modulation type hydraulic fast switching valve |
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| Publication Number | Publication Date |
|---|---|
| CN203655754U true CN203655754U (en) | 2014-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320792891.XU Expired - Fee Related CN203655754U (en) | 2013-12-04 | 2013-12-04 | Digital modulation type hydraulic fast switching valve |
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| CN (1) | CN203655754U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948523A (en) * | 2015-05-06 | 2015-09-30 | 淮海工学院 | Hydraulic speed regulating valve with pressure and temperature electric feedback compensation functions and digital display device |
| CN109520854A (en) * | 2017-09-18 | 2019-03-26 | 株洲中车时代电气股份有限公司 | A kind of display touch screen physics touch devices |
| CN110067888A (en) * | 2019-05-22 | 2019-07-30 | 杭州沃凌的机电有限公司 | A kind of magnetostrictive ultrasonic fluid valve |
| CN111271330A (en) * | 2020-01-21 | 2020-06-12 | 西安航空学院 | Direct-acting electric control one-way valve |
| CN114719067A (en) * | 2022-03-24 | 2022-07-08 | 大连海事大学 | Large-flow piezoelectric direct-drive high-speed switch valve for pneumatic digital control |
-
2013
- 2013-12-04 CN CN201320792891.XU patent/CN203655754U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948523A (en) * | 2015-05-06 | 2015-09-30 | 淮海工学院 | Hydraulic speed regulating valve with pressure and temperature electric feedback compensation functions and digital display device |
| CN104948523B (en) * | 2015-05-06 | 2017-04-19 | 淮海工学院 | Hydraulic speed regulating valve with pressure and temperature electric feedback compensation functions and digital display device |
| CN109520854A (en) * | 2017-09-18 | 2019-03-26 | 株洲中车时代电气股份有限公司 | A kind of display touch screen physics touch devices |
| CN110067888A (en) * | 2019-05-22 | 2019-07-30 | 杭州沃凌的机电有限公司 | A kind of magnetostrictive ultrasonic fluid valve |
| CN111271330A (en) * | 2020-01-21 | 2020-06-12 | 西安航空学院 | Direct-acting electric control one-way valve |
| CN114719067A (en) * | 2022-03-24 | 2022-07-08 | 大连海事大学 | Large-flow piezoelectric direct-drive high-speed switch valve for pneumatic digital control |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: DALIAN SEIKOU FLUID EQUIPMENT CO., LTD. Free format text: FORMER OWNER: BEIJING UNIVERSITY OF CIVIL ENGINEERING AND ARCHITECTURE Effective date: 20150422 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100044 XICHENG, BEIJING TO: 116000 DALIAN, LIAONING PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150422 Address after: Dalian high tech Industrial Park, 116000 Liaoning province Qixianling XinDa Street No. 28 hospital building Patentee after: Dalian Seikou Fluid Equipment Co., Ltd. Address before: 1 Xicheng District Exhibition Road, Beijing, No. 100044 Patentee before: Beijing University of Civil Engineering and Architecture |
|
| 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: 20140618 Termination date: 20161204 |