CN1766331A - Starting valve for piezoelectric pump with valve - Google Patents
Starting valve for piezoelectric pump with valve Download PDFInfo
- Publication number
- CN1766331A CN1766331A CN 200510123979 CN200510123979A CN1766331A CN 1766331 A CN1766331 A CN 1766331A CN 200510123979 CN200510123979 CN 200510123979 CN 200510123979 A CN200510123979 A CN 200510123979A CN 1766331 A CN1766331 A CN 1766331A
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- China
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- valve
- spool
- pump
- valve plate
- cantilever
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Abstract
The invention discloses a starting valve with valve-pressure electric pump in the fluid mechanic domain, which comprises the following parts: step-shape valve seat, spool, through-hole on the spool, piece-shape valve plate, symmetrical suspension arm on the valve plate, disk-shape cover on the end of suspension arm, wherein the disk-shape lid covers on the spool through-hole to guarantee the length of suspension arm; the valve plate can be set on or under the spool to form suction or drainage type starting valve; when suction or drainage type starting valve is set under the electric pump to form pump cavity with piezo-electric oscillator on the pump body, the piezo-electric oscillator increases or decreases the pump cavity bulk to change the pressure in the pump cavity through the up-and-down movement, which opens the disk-shape cover for the outer fluid in or out through the elastic deforming suspension arm of suction or drainage type starting valve. The invention improves the working frequency threshold value of piezo-electric oscillator with valve pump electric pump, which enlarges the pump flow along the piezo-electric oscillator frequency improvement.
Description
Technical field
The present invention relates to a kind of startup valve that is used to have valve piezoelectric pump, belong to field of fluid machinery.
Background technique
Along with positive displacement has the development of valve piezoelectric pump, the vibration frequency that improves piezoelectric vibrator becomes to improve one of means of valve piezoelectric pump flow.But in experiment, find, the at present employed cone valve shown in Figure 1 as signal, as illustrate ball valve shown in Figure 2, as illustrating valves such as plate valve shown in Figure 3, along with after the piezoelectric vibrator vibration frequency is higher than this threshold value of 100Hz, the servo-actuated opening speed of valve will seriously lag behind the phase place of piezoelectric vibrator motion, and the amplitude of valve opening also can descend, thereby the increase along with the piezoelectric vibrator frequency can take place, and the phenomenon that the valve piezoelectric pump flow descends on the contrary.For addressing the above problem, designed again as illustrating the nothing shown in Figure 4 constraint startup valve that floats, but this valve working less stable.
Summary of the invention
The objective of the invention is to overcome foregoing problems, a kind of starter gate valve door device that is used to have valve piezoelectric pump is provided.
Technological scheme of the present invention the present invention includes spool 2 and the valve plate 3 that covers on spool 2 referring to schematic representation 5～10, is characterised in that: also include the valve seat 1 that is step-like; The step of valve seat 1 inwall is provided with the spool 2 that forms interference fit with it, and spool 2 is provided with through hole 11; The valve plate 3 that low rigidity material is made is fixed on the spool 2; Wherein valve plate 3 stretches out cantilever, and the end of cantilever is a disk shaped cap 12; The length assurance disk shaped cap 12 of cantilever is covered on the through hole 11 of spool 2.
Described a kind of starter gate valve door device that is used for having valve piezoelectric pump, valve plate 3 is a sheet, the center symmetry is the radial cantilever that stretches out more than 2, has the groove 13 that reduces cantilever rigidity on the cantilever; Cantilevered distal end is provided with disk shaped cap 12, and disk shaped cap 12 is the non-streamline shape.
Described a kind of starter gate valve door device that is used for having valve piezoelectric pump, the upper and lower surface of spool 2 all has groove, is provided with the through hole 11 more than 2 in the groove, and the number of the through hole 11 of spool 2 is consistent with the number of the cantilever of valve plate 3.
Described a kind of starter gate valve door device that is used for having valve piezoelectric pump has groove at the upper surface or the lower surface of spool 2, can place valve plate 3 in the groove; In valve plate 3 is just placed the upper surface groove of spool 2, constitute inhalation type and start valve 8; When valve plate 3 is inverted in the lower surface groove of spool 2, constitute the discharge formula and start valve 9.
Of the present inventionly a kind ofly be used for having the starter gate valve door device of valve piezoelectric pump to have the work situation and the Placement of valve piezoelectric pump to be: inhalation type to be started valve 8 and discharge formula start valve 9 and be installed in suction port and the exhaust port position that positive displacement has the valve piezoelectric pump pump housing 10 diapires respectively in positive displacement, the upper surface upper cover piezoelectric vibrator 7 of the pump housing 10, by fixed plate 6 and fixed plate screw 5 pump housing 10 and piezoelectric vibrator 7 are connected as one, form sealing, as illustrate pump chamber shown in Figure 11.The working principle of this device is: when positive displacement has valve piezoelectric pump work operation, when piezoelectric vibrator 7 moves upward, the pump chamber volume increases, pressure in the pump chamber descends, when pressure is lower than ambient pressure, the cantilever that inhalation type starts the valve plate 3 on the valve 8 begins to take place resiliently deformable, opens the disk shaped cap 12 that covers on spool 2 holes, and extraneous fluid flows into.When piezoelectric vibrator 7 moved downward, the pump chamber volume reduced, the pump chamber increased pressure, when pressure is higher than ambient pressure, the cantilever that the discharge formula starts the valve plate 3 on the valve 9 begins to take place resiliently deformable, opens the disk shaped cap 12 that covers on spool 2 holes, and the chamber inner fluid flows out.
Owing to have groove 13 on the cantilever of valve plate 3, make valve plate 3 be low stiffness structure among the present invention; Disk shaped cap 12 is designed to the non-streamline shape, make valve very responsive for the variation of the disturbance of fluid and hydrodynamic pressure, thereby improved the servo-actuated performance of valve for piezoelectric vibrator 7, increase substantially the frequency threshold of the piezoelectric vibrator of valve piezoelectric pump, make the flow of pump can continue along with the raising of piezoelectric vibrator frequency to increase.
Description of drawings
Fig. 1 cone valve structure schematic representation.
Fig. 2 ball-valve structure schematic representation.
Fig. 3 plate valve structural representation.
Fig. 4 does not have the constraint valve schematic representation that floats.
Fig. 5 is of the present invention to be used to have the structural representation of the starter gate valve family of power and influence plate of valve piezoelectric pump.
The A-A sectional view of Fig. 6 Fig. 5.
The structural representation of Fig. 7 spool of the present invention.
The structural representation of Fig. 8 valve seat of the present invention.
Fig. 9 inhalation type of the present invention starts the structural representation of valve.
Figure 10 discharge formula of the present invention starts the structural representation of valve.
Figure 11 is of the present invention to be used for having the startup valve of valve piezoelectric pump at Placement that valve piezoelectric pump is arranged and working state schematic representation.
Among the figure:
1, valve seat, 2, spool, 3, valve plate, 4, screw, 5, the fixed plate screw,
6, fixed plate, 7, piezoelectric vibrator, 8, inhalation type starts valve,
9, discharge formula starts valve, and 10, the pump housing, 11, through hole,
12, disk shaped cap, 13, groove.
Embodiment
Implement the present invention according to Fig. 5-technological scheme shown in Figure 11.All adopt conventional bolt to connect between each parts of this device of the present invention or the interference fit connection.In this device, valve seat 1 is designed to inwall and is the step-like barrel shape shape of one-level, the spool 2 that upper and lower surface is all had groove is positioned on the step of valve seat 1 inwall, in the upper surface of spool 2 or lower surface groove, place valve plate 3, connect valve plates 3 and spool 2 by screw 4 and constitute and start the valve integral body.The valve plate 3 of low rigidity elastic material is designed to 6 cantilevers, promptly is 6 petal-shaped.
Have in the valve piezoelectric pump work system in the positive displacement that inhalation type startup valve 8 of the present invention and discharge formula startup valve 9 are housed, piezoelectric vibrator 7 diameters are 30mm, and working power voltage is 220V, and the threshold frequency of piezoelectric vibrator 7 reaches 150Hz.In this system, inhalation type starts valve 8 and discharge formula and starts on the commercially available gluing suction port and exhaust port that is connected on electric pump of valve 9 usefulness.
Can quickly start after the invention process, increased substantially the threshold value that valve piezoelectric pump piezoelectric vibrator frequency of okperation is arranged, thereby make the flow of pump can continue along with the raising of piezoelectric vibrator frequency to increase.
Claims (4)
1, a kind of startup valve that is used to have valve piezoelectric pump, the valve plate that includes spool and match with spool the invention is characterized in: also include the valve seat (1) that is step-like; The step of valve seat (1) inwall is provided with the spool (2) that forms interference fit with it, and spool (2) is provided with through hole (11); The valve plate (3) that low rigidity material is made is fixed on the spool (2); Wherein valve plate (3) stretches out cantilever, and the end of cantilever is disk shaped cap (12); The length assurance disk shaped cap (12) of cantilever is covered on the through hole (11) of spool (2).
2, the startup valve that is used to have valve piezoelectric pump according to claim 1 is characterized in that: valve plate (3) is a sheet, and the center symmetry is the radial cantilever that stretches out more than 2, has the groove (13) that reduces cantilever rigidity on the cantilever; Cantilevered distal end is provided with disk shaped cap (12), and disk shaped cap (12) is the non-streamline shape.
3, the startup valve that is used to have valve piezoelectric pump according to claim 1 and 2, it is characterized in that: the upper and lower surface of spool (2) all has groove, be provided with the through hole (11) more than 2 in the groove, the number of the through hole (11) of spool (2) is consistent with the number of the cantilever of valve plate (3).
4, according to claim 1 or the 2 or 3 described startup valves that are used to have valve piezoelectric pump, it is characterized in that: upper surface or lower surface at spool (2) have groove, can place valve plate (3) in the groove; In valve plate (3) is just placed the upper surface groove of spool (2), constitute inhalation type and start valve (8); When valve plate (3) is inverted in the lower surface groove of spool (2), constitute the discharge formula and start valve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510123979 CN1766331A (en) | 2005-11-25 | 2005-11-25 | Starting valve for piezoelectric pump with valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510123979 CN1766331A (en) | 2005-11-25 | 2005-11-25 | Starting valve for piezoelectric pump with valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1766331A true CN1766331A (en) | 2006-05-03 |
Family
ID=36742400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510123979 Pending CN1766331A (en) | 2005-11-25 | 2005-11-25 | Starting valve for piezoelectric pump with valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1766331A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012139503A1 (en) * | 2011-04-12 | 2012-10-18 | Lin Shuyuan | Piezoelectric pump and piping thereof |
| CN102748272A (en) * | 2011-04-18 | 2012-10-24 | 林淑媛 | Piezoelectric pump and valve block thereof |
| US20210043825A1 (en) * | 2014-07-11 | 2021-02-11 | Microtech Medical Technologies Ltd. | Multi-cell transducer |
-
2005
- 2005-11-25 CN CN 200510123979 patent/CN1766331A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012139503A1 (en) * | 2011-04-12 | 2012-10-18 | Lin Shuyuan | Piezoelectric pump and piping thereof |
| CN102748272A (en) * | 2011-04-18 | 2012-10-24 | 林淑媛 | Piezoelectric pump and valve block thereof |
| US20210043825A1 (en) * | 2014-07-11 | 2021-02-11 | Microtech Medical Technologies Ltd. | Multi-cell transducer |
| US11800806B2 (en) * | 2014-07-11 | 2023-10-24 | Microtech Medical Technologies Ltd. | Method for manufacturing a multi-cell transducer |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |