CN103216664B - Intelligent valve locator - Google Patents
Intelligent valve locator Download PDFInfo
- Publication number
- CN103216664B CN103216664B CN201310143943.5A CN201310143943A CN103216664B CN 103216664 B CN103216664 B CN 103216664B CN 201310143943 A CN201310143943 A CN 201310143943A CN 103216664 B CN103216664 B CN 103216664B
- Authority
- CN
- China
- Prior art keywords
- air inlet
- suction port
- inlet chamber
- ball sealer
- intelligent valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Electrically Driven Valve-Operating Means (AREA)
Abstract
The invention provides an intelligent valve locator comprising a piezoelectric module. The piezoelectric module comprises an air inlet cavity provided with an air inlet and an air outlet, and a sealing ball used for sealing or opening the air inlet of the air inlet cavity. The air inlet is a tapered hole, and the section diameter of the air inlet is gradually increased along the air inlet direction. The sealing ball is supported by a reset spring and can be movably arranged in the air inlet along the axis direction of the air inlet. The diameter of the sealing ball is larger than or equal to the minimum section diameter of the air inlet, and smaller than the maximum section diameter of the air inlet. The sealing ball is made of aluminum alloy materials. The sealing ball made of the aluminum alloy materials is good in oil resistance, water resistance and expansion resistance and long in service life, so damage of the piezoelectric module caused by oil intrusion and water intrusion problems can not occur, maintenance cost is reduced, work efficiency is improved, and application prospects are wide.
Description
Technical field
the present invention relates to technical field of automatic control, relate more specifically to a kind of intelligent valve positioner.
Background technique
intelligent valve positioner, also known as pneumatic positioner valve, it is the main accessories of modulating valve, usual and pneumatic control valve supports the use, it accepts the output signal of regulator, then controls pneumatic control valve, when after modulating valve action with its output signal district, the displacement of valve rod feeds back to valve positioner by mechanical device again, and valve position state passes to Upper system by electrical signal.
intelligent valve positioner is based on microprocessor technology, adopts digitizing technique to carry out data processing, decision making and both-way communication; In the conventional model of intelligent valve positioner, Pneumatic component belongs to " output subsystem ", for digital signal being converted to the pneumatic signal controlling actuator.The Pneumatic component of intelligent valve positioner is generally the combination of pilot section and power amplifier part, and pilot section mainly uses two class technology: one is the piezo electric valve technology of piezoelectric inverse effect material based on non-symmetrical configuration crystal.One is the I/P converter technology of air-blast atomizer/baffle mechanism based on electromagnetic principle.The ball sealer of the piezo electric module of intelligent valve positioner of the prior art is made up of rubber material usually, its oil resistant, water-fast and anti-expansion character are not all fine, make piezo electric module possibly because of oil-feed, water inlet and damaging, thus to a certain extent restriction is caused to the application of intelligent valve positioner.
Summary of the invention
for overcoming the problems referred to above of the prior art, the invention provides a kind of intelligent valve positioner, its piezo electric module have employed the ball sealer of new material, water-fast, oil resistant and anti-expansion character better.
the technical solution used in the present invention is: a kind of intelligent valve positioner, comprise piezo electric module, piezo electric module comprises the air inlet chamber with suction port and air outlet and the ball sealer for the suction port that seals or open air inlet chamber, suction port is become large cone shape hole gradually along airintake direction diameter of section, ball sealer is supported by Returnning spring and can be located at movably in suction port along the direction of axis line of suction port, and the diameter of ball sealer is more than or equal to the smallest cross-sectional diameter of suction port and is less than the diameter of section of the biggest place of suction port, wherein ball sealer is made up of aluminum alloy material.
further, suction port is opened in the top of air inlet chamber, and air outlet is opened in the bottom of air inlet chamber.
further, air outlet is positioned at the right part of air inlet chamber, and the left part of air inlet chamber offers an opening port movably.
again further, in above-mentioned opening port, one regulates end socket, and it is for regulating the gas flow in air inlet chamber.
compared with prior art, the present invention has following advantages: intelligent valve positioner of the present invention adopts the piezo electric module with the ball sealer of aluminum alloy material, compared with traditional rubber seal ball, the ball sealer of aluminum alloy material has better water-fast, oil resistant and anti-expansion character, thus intelligent valve positioner of the present invention can not to be intake oil-feed and damaging because of piezo electric module, greatly can save equipment maintenance cost, increase work efficiency.
Accompanying drawing explanation
fig. 1 is the structural representation of the air inlet chamber of the piezo electric module of intelligent valve positioner of the present invention.
in figure: 1, air inlet chamber; 2, ball sealer; 11, suction port; 12, air outlet; 3, end socket is regulated.
Embodiment
below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, is easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus protection scope of the present invention is made more remove clear and definite defining.
the invention provides a kind of intelligent valve positioner, it comprises piezo electric module.Consult Fig. 1, Fig. 1 illustrates the cross-sectional schematic of the air inlet chamber of the piezo electric module of intelligent valve positioner of the present invention, the top of air inlet chamber 1 offers suction port 11, and bottom offers air outlet 12, and piezo electric module also comprises the ball sealer 2 of the suction port for sealing or open air inlet chamber 1.In the present embodiment, suction port 11 is become large cone shape hole gradually along airintake direction diameter of section, airintake direction is as shown in the direction of arrow at suction port 11 place in figure, ball sealer is supported by Returnning spring and can be located in suction port 11 movably along the direction of axis line of suction port 11, the diameter of ball sealer 2 is more than or equal to the smallest cross-sectional diameter of suction port 11 and is less than the diameter of section of suction port 11 biggest place, like this, just may just suction port 11 be sealed up when ball sealer 2 to be moved to the opening end of the topmost part of suction port 11 by action of reset spring.In the present embodiment, ball sealer 2 is made up of aluminum alloy material, like this, (such as) just can be avoided to cause damage to ball sealer due to the moisture of entrained with in pressurized air or oil content, because aluminum alloy material has good oil resistant, water resistance, this just overcomes the shortcoming of the ball sealer of rubber material used in prior art, piezo electric module cannot can not be worked because of the damage of ball sealer, greatly reduce maintenance probability, improve working efficiency, and aluminum alloy material has better anti-expansion character compared with rubber material, this optimizes the performance of ball sealer further, piezo electric module is made to use for a long time and can not damage.
air outlet 12 is opened in the right part of air inlet chamber 1, and left part offers an opening port, offers an adjustment end socket 3 in this opening port movably, and described adjustment end socket 3 can move forward and backward the gas flow for regulating in air inlet chamber 1.Above-mentioned used term " fore-and-aft direction " refers to the direction perpendicular with ball sealer 2 movement directions, by regulating the movable of end socket 3, can increase or reduce the volume of the inner chamber of air inlet chamber 1, thus the gas flow of adjustable chamber inside.
when real work, by the control module control valve switch of intelligent valve positioner, pressurized air is pushed down ball sealer from the second layer of the piezo electric valve of piezo electric module and is moved downward, ball sealer 2 becomes large gradually with the gap of the chamber wall of air inlet chamber 1, pressurized air enters air inlet chamber via this gap, and is supplied to valve via air outlet 12.When the reversing motion of control module control valve, ball sealer 2 moves upward under the effect of Returnning spring, and can closely cooperate in the position of the top of suction port 11 and chamber wall, thus is sealed into gas port 11, and pressurized air no longer enters.By regulating the movable volume changing the inner chamber of air inlet chamber 1 of end socket 3, to change the flow of the gas of inner chamber.
the invention provides a kind of intelligent valve positioner; it has the ball sealer of aluminum alloy material; instead of the ball sealer that the rubber material that uses in the piezo electric module of prior art is made; the ball sealer of this kind of aluminum alloy material has better oil resistant; the performance of water-fast and anti-expansion; effectively can protect the piezo electric module in intelligent valve positioner; make it can not intake (such as because of oil-feed; carried secretly by pressurized air and enter) and damage; improve the utilization efficiency of piezo electric module, be with a wide range of applications.
above specific embodiment of the present invention is illustrated; but protection content of the present invention is not only limited to above embodiment; in art of the present invention, the usual knowledge of a GPRS, just can carry out diversified change within the scope of its technology main idea.
Claims (4)
1. an intelligent valve positioner, comprise piezo electric module, described piezo electric module comprises the air inlet chamber (1) with suction port (11) and air outlet (12) and for sealing or the ball sealer (2) of suction port opening described air inlet chamber (1), described suction port (11) is for become large cone shape hole gradually along airintake direction diameter of section, described ball sealer is supported by Returnning spring and can be located in suction port (11) movably along the direction of axis line of described suction port, the diameter of described ball sealer (2) is more than or equal to the smallest cross-sectional diameter of described suction port (11) and is less than the diameter of section of the biggest place of suction port (11), it is characterized in that: described ball sealer (2) is made up of aluminum alloy material.
2. intelligent valve positioner according to claim 1, is characterized in that: described suction port (11) is opened in the top of air inlet chamber (1), and described air outlet (12) are opened in the bottom of air inlet chamber.
3. intelligent valve positioner according to claim 1, is characterized in that: described air outlet (12) are positioned at the right part of described air inlet chamber (1), and the left part of described air inlet chamber (1) offers an opening port.
4. intelligent valve positioner according to claim 3, is characterized in that: be provided with an adjustment end socket (3) in described opening port movably, and it is for regulating the gas flow in described air inlet chamber (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310143943.5A CN103216664B (en) | 2013-04-24 | 2013-04-24 | Intelligent valve locator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310143943.5A CN103216664B (en) | 2013-04-24 | 2013-04-24 | Intelligent valve locator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103216664A CN103216664A (en) | 2013-07-24 |
| CN103216664B true CN103216664B (en) | 2015-05-27 |
Family
ID=48814714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310143943.5A Active CN103216664B (en) | 2013-04-24 | 2013-04-24 | Intelligent valve locator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103216664B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201041258Y (en) * | 2006-09-18 | 2008-03-26 | 中国四联仪器仪表集团有限公司技术中心 | Conversion unit of intelligent valve positioner |
| CN102080735A (en) * | 2011-02-23 | 2011-06-01 | 合肥工业大学 | Piezoelectric switch type valve positioner control method and piezoelectric switch type valve positioner control system |
| CN102620025A (en) * | 2012-03-31 | 2012-08-01 | 深圳万讯自控股份有限公司 | Double-acting conversion unit for valve positioner |
| CN203230928U (en) * | 2013-04-24 | 2013-10-09 | 玖龙纸业（太仓）有限公司 | Intelligent valve positioner |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005003771B3 (en) * | 2005-01-27 | 2006-08-31 | Samson Ag | Field device for attachment to an actuating device |
| EP2440792B1 (en) * | 2009-06-12 | 2015-10-07 | G.W. Lisk Company, Inc. | Proportional position feedback hydraulic servo system |
-
2013
- 2013-04-24 CN CN201310143943.5A patent/CN103216664B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201041258Y (en) * | 2006-09-18 | 2008-03-26 | 中国四联仪器仪表集团有限公司技术中心 | Conversion unit of intelligent valve positioner |
| CN102080735A (en) * | 2011-02-23 | 2011-06-01 | 合肥工业大学 | Piezoelectric switch type valve positioner control method and piezoelectric switch type valve positioner control system |
| CN102620025A (en) * | 2012-03-31 | 2012-08-01 | 深圳万讯自控股份有限公司 | Double-acting conversion unit for valve positioner |
| CN203230928U (en) * | 2013-04-24 | 2013-10-09 | 玖龙纸业（太仓）有限公司 | Intelligent valve positioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103216664A (en) | 2013-07-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201593488U (en) | Hydraulic piston type gas compressor for natural gas secondary filling stations | |
| CN103267035A (en) | Pneumatic device with quick exhaust function | |
| CN103216664B (en) | Intelligent valve locator | |
| CN203230928U (en) | Intelligent valve positioner | |
| CN203463729U (en) | Valve for pneumatic pressure regulating, fast decompression and multi-torch operation | |
| CN209244627U (en) | Multistage draining exhaust valve | |
| CN209385744U (en) | A kind of novel pressure adjusting valve system | |
| CN202926571U (en) | Automatic drainage controller for pneumatic diaphragm pump | |
| CN206723553U (en) | Electromagnetism bleeder | |
| CN201909067U (en) | Rotary proportional valve | |
| CN204851560U (en) | Positive flow control electric proportional pump | |
| CN204344551U (en) | A kind of dynamic beam governor oil line structure of hydraulic press | |
| CN202884157U (en) | Multifunctional hydraulic control valve | |
| CN205714325U (en) | Piezoelectric hydraulic drive-type air distribution system | |
| CN102661237A (en) | Semiautomatic flow distribution type hydraulic free piston engine | |
| CN203516773U (en) | Stop valve with pilot valve | |
| CN204941955U (en) | A kind of screw air compressor air-path control system | |
| CN207005376U (en) | High-pressure suction valve adjusting means is used in a kind of pneumatic cylinder production | |
| CN202733154U (en) | Multi-stage pressure-reducing pore plate type high-pressure difference regulating valve | |
| CN204061929U (en) | The pneumatic double cover plate air-valve of a kind of jigger | |
| CN202170861U (en) | Water shutting pump | |
| CN203463762U (en) | Pilot electromagnetic head | |
| CN204312990U (en) | Gas regulator | |
| CN203686312U (en) | Ultrahigh-pressure normally open pneumatic control stop valve | |
| CN202182012U (en) | Water stop pump with damping function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |