CN105736821A - Non-contact remote pneumatic intelligent positioner - Google Patents
Non-contact remote pneumatic intelligent positioner Download PDFInfo
- Publication number
- CN105736821A CN105736821A CN201610265249.4A CN201610265249A CN105736821A CN 105736821 A CN105736821 A CN 105736821A CN 201610265249 A CN201610265249 A CN 201610265249A CN 105736821 A CN105736821 A CN 105736821A
- Authority
- CN
- China
- Prior art keywords
- contact
- front bar
- feedback
- chassis
- intelligent positioner
- 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.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0083—For recording or indicating the functioning of a valve in combination with test equipment by measuring valve parameters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Servomotors (AREA)
- Actuator (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Abstract
The invention discloses a non-contact remote pneumatic intelligent positioner, comprising a bottom plate and a barrel mounted on the bottom plate. A contact mounting cavity is arranged in the bottom plate, a contact is disposed in the contact mounting cavity in an inserted manner, the upper end of the contact is provided with a storage recess, a contact inner sleeve is arranged in the storage recess, a non-contact magneto-sensitive sensor is disposed in a center hole of the contact inner sleeve in an inserted manner, a contact outer sleeve is disposed at the upper end of the contact inner sleeve, and a positioning block sleeves the lower end of the contact and is connected with the bottom plate; the middle of the positioning block is vertically provided with a contact through hole, the segment, extending out of a contact through hole, of the lower end of the contact is provided with a feedback tape, the end of the feedback tape opposite to the contact is provided with a front rod, the lower end of the front rod is integrally provided with a limiting convex ring, and the limiting convex ring is provided with a front gasket, a spring, a washer and a nut sequentially from bottom to top. The non-contact remote pneumatic intelligent positioner of the above-mentioned technical scheme is reasonable in structural design, simple in structure, easy to adjust, convenient to operate and high in operating efficiency.
Description
Technical field
The present invention relates to localizer technologies field, be specifically related to a kind of contactless long-range pneumatic intelligent positioner.
Background technology
Pneumatic intelligent control valve be on pneumatic actuator, with the addition of localizer, two-position-five-way solenoid valve supports the use, and when needs are to rate-of flow regulable control, can carry out the adjustment of flow in the weak electric signal example such as 4～20mA on localizer.The most structure of existing localizer is complicated, regulates inconvenience, it is necessary to manually adnexa is operated manually, inefficiency.
Summary of the invention
For the deficiency that prior art exists, it is an object of the invention to provide a kind of reasonable in design, simple in construction, adjustment is easy, easy to operate, work efficiency is high contactless long-range pneumatic intelligent positioner.
For achieving the above object, the technical scheme is that a kind of contactless long-range pneumatic intelligent positioner, including chassis and the cylinder being arranged on chassis, described chassis is provided with contact installation cavity, described contact installation cavity built-in type is provided with contact, described contact upper end is provided with glove groove, it is provided with contact inner sleeve in described glove groove, the centre bore built-in type of described contact inner sleeve is provided with Non-contact Magnetic dependent sensor, in described contact, set upper side is provided with contact overcoat, described contact lower end is socketed with locating piece, this locating piece is connected with chassis；It is vertically arranged with contact through-hole in the middle part of described locating piece, described contact lower end is stretched out contact through-hole and is arranged, and contact lower end stretches out and is provided with feedback chi in contact through-hole section, described feedback chi deviates from contact end and is provided with front bar, described front bar lower end is wholely set limited location bulge loop, described position limiting convex ring is disposed with foremast from bottom to up, spring, packing ring and nut, described foremast, spring, packing ring is all socketed in front bar, the lower surface of feedback chi is withstood in the upper surface of described packing ring, described feedback chi deviates from contact end and is vertically arranged with front bar installing hole, described front bar upper end is provided with external screw thread, described front bar upper end is connected with described nut thread after front bar installing hole.
Rotate together with after being fixed by technique scheme, the output shaft of Non-contact Magnetic dependent sensor and the Magnet of the inside, control existing plank contactless with rotating shaft all the time in magnetic field, it is ensured that the required precision of the numerical value of feedback position；Whole contactless long-range pneumatic intelligent positioner reasonable in design, simple in construction, adjustment is easy, easy to operate, work efficiency is high.
The present invention is further arranged to: also include digitial controller, A/D converter, I/P transducer, pneumatic amplifier and executor, described executor is provided with displacement transducer, institute's displacement sensors produces feedback signal, this feedback signal forms control deviation after A/D converter sample, conversion and digital filtering, producing pwm control signal after digitial controller correction and drive I/P transducer and pneumatic amplifier, described pneumatic amplifier produces pneumatic power signal and promotes executor's action.By this setting, structure is more reasonable, it is possible to complete closed loop control, reaches expection and requires and target.
The present invention is further arranged to: is provided with control chamber in described cylinder, is provided with STM32 chip in described control chamber.By this setting, there is high-performance, the custom-designed ARMCortex-M3 kernel of Embedded Application of low-power consumption, without external power supply, clock frequency brings up to 72MHz, more traditional 8 and the chip of 12 have processing speed and resolution faster, and the precision of system is had greatly improved, and the delayed of dynamic property has greatly improved.
The present invention is further arranged to: the internal face upper end of described cylinder has been wholely set bracket, and described bracket is provided with control chamber support, and described control chamber and control chamber support are connected by screw fixing, and described control chamber support and bracket are connected by screw fixing.By this setting, structure arranges more reasonable, and control chamber is easier for installation, fixing reliable.
The present invention is further arranged to: the alignment cylinder position, upper surface on described chassis offers sealing ring mounting groove, and described sealing ring mounting groove built-in type is provided with rubber seal, and described chassis is tightly connected by rubber seal and cylinder.By this setting, structure is more reasonable, and cylinder and chassis connect reliable, good seal performance.
The invention have the advantage that compared with prior art, it is more reasonable that present configuration is arranged, rotate together with after the output shaft of Non-contact Magnetic dependent sensor is fixing with the Magnet of the inside, control existing plank contactless with rotating shaft all the time in magnetic field, it is ensured that the required precision of the numerical value of feedback position；Whole contactless long-range pneumatic intelligent positioner reasonable in design, simple in construction, adjustment is easy, easy to operate, work efficiency is high.
Below in conjunction with Figure of description and specific embodiment, the invention will be further described.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is the theory diagram of the embodiment of the present invention.
Detailed description of the invention
Referring to Fig. 1 and Fig. 2, the contactless long-range pneumatic intelligent positioner of one disclosed by the invention, including chassis 1 be arranged on the One On The Chassis cylinder 2, described chassis 1 is provided with contact installation cavity 11, described contact installation cavity 11 built-in type is provided with contact 3, described contact 3 upper end is provided with glove groove 31, it is provided with contact inner sleeve 4 in described glove groove 31, the centre bore built-in type of described contact inner sleeve 4 is provided with Non-contact Magnetic dependent sensor 5, described contact inner sleeve 4 upper end is provided with contact overcoat 6, described contact overcoat 6 and contact inner sleeve 4 are connected by screw or are threaded connection；Described contact 3 lower end is socketed with locating piece 7, and this locating piece 7 is connected by screw with chassis 1；Being vertically arranged with contact through-hole 71 in the middle part of described locating piece 7, described contact 3 lower end is stretched out contact through-hole 71 and is arranged, and contact 3 lower end is stretched out and is provided with feedback chi 8 in contact through-hole section, and described feedback chi 8 and contact 3 are connected by bearing pin or are connected by screw；Described feedback chi 8 deviates from contact end and is provided with front bar 9, described front bar 9 lower end is wholely set limited location bulge loop 91, described position limiting convex ring 91 is disposed with foremast 10, spring 12, packing ring 13 and nut 14 from bottom to up, described foremast 10, spring 12, packing ring 13 are all socketed in front bar 9, the lower surface of feedback chi 8 is withstood in the upper surface of described packing ring 13, described feedback chi 8 deviates from contact end and is vertically arranged with front bar installing hole 81, described front bar 9 upper end is provided with external screw thread, threadeds with described nut 14 in described front bar 9 upper end after front bar installing hole 81.
As preferably, the contactless long-range pneumatic intelligent positioner of the present embodiment also includes digitial controller, A/D converter, I/P transducer, pneumatic amplifier and executor, described executor is provided with displacement transducer, control instruction is from existing industrial bus or 4-20ma electric current loop, institute's displacement sensors produces feedback signal, this feedback signal is through signal condition, conversion, A/D samples, formation control deviation is compared with given after digital filtering, produce pwm control signal after digitial controller correction and drive I/P transducer and pneumatic amplifier, described pneumatic amplifier produces pneumatic power signal and promotes executor's action.Complete closed loop control, reach expection and require and target.
It is provided with control chamber 15 in described cylinder 2, in described control chamber 15, is provided with STM32 chip.Adopt existing STM32 chip, there is high-performance, the custom-designed ARMCortex-M3 kernel of Embedded Application of low-power consumption, without external power supply, clock frequency brings up to 72MHz, and more traditional 8 and the chip of 12 have processing speed and resolution faster, and complicated algorithm and gamma correction for adopting provide guarantee, the precision of system is had greatly improved, and the delayed of dynamic property has greatly improved.
All-digital communication, in bus control system, all field apparatus adopt all-digital communication pattern at the scene, select RS485 serial bus communication mode, communication mode as this contactless long-range pneumatic intelligent positioner, various types of other bus at communication media, information checking, error correction information, can be quick in address detected, carry out reliably, it is ensured that the quick response of system.
Advanced Non-contact Magnetic dependent sensor is adopted to utilize magnetic direction detection & transformation technology, reliable and stable 360 degree of detection ranges, 0.022 degree of resolution, the precision of 0.1%, adopts stainless steel metal shell, and antipollution is isolated, it is applicable to harsh industrial environment, internal circuit adopts technical grade heatproof original paper, output digit signals 485, makes the precision of localizer be greatly improved.
The internal face upper end of described cylinder 2 has been wholely set bracket 21, and described bracket 21 is provided with control chamber support 16, and described control chamber 15 is connected by screw fixing with control chamber support 16, and described control chamber support 16 is connected by screw fixing with bracket 21.
Alignment cylinder 2 position, upper surface on described chassis 1 offers sealing ring mounting groove 17, and described sealing ring mounting groove 17 built-in type is provided with rubber seal 18, and described chassis 1 is tightly connected by rubber seal 18 and cylinder 2.
Rotate together with after the output shaft of Non-contact Magnetic dependent sensor of the present invention is fixing with the Magnet of the inside, control existing plank contactless with rotating shaft all the time in magnetic field, it is ensured that the required precision of the numerical value of feedback position；Whole contactless long-range pneumatic intelligent positioner reasonable in design, simple in construction, adjustment is easy, easy to operate, work efficiency is high.
Changing coil drive current, under the effect of electromagnetic force, existing baffle plate produces displacement, so that back pressure chamber changes；Back pressure chamber air pressure obtains controlling air pressure after the power amplification of pneumatic amplifier, makes (valve) executor produce displacement；The displacement transducer output detections voltage that is displaced through of executor delivers to existing main circuit board；Main circuit board is according to the 4-20mA control signal electric current representing the voltage of displacement, user provides, after being calculated by existing control algolithm, provide coil drive current, thus the closed loop feedback completing whole system controls, remote lan remote computer can be passed through and special equipment controls valve opening, monitor the on off state of valve in real time.
The above-described embodiment specific descriptions to the present invention; it is served only for the present invention is further described; it is not intended that limiting the scope of the present invention, the technician of this area according to the content of foregoing invention the present invention is made some nonessential improvement and adjustment each falls within protection scope of the present invention.
Claims (5)
1. a contactless long-range pneumatic intelligent positioner, including chassis and the cylinder being arranged on chassis, it is characterized in that: described chassis is provided with contact installation cavity, described contact installation cavity built-in type is provided with contact, described contact upper end is provided with glove groove, it is provided with contact inner sleeve in described glove groove, the centre bore built-in type of described contact inner sleeve is provided with Non-contact Magnetic dependent sensor, in described contact, set upper side is provided with contact overcoat, described contact lower end is socketed with locating piece, and this locating piece is connected with chassis；It is vertically arranged with contact through-hole in the middle part of described locating piece, described contact lower end is stretched out contact through-hole and is arranged, and contact lower end stretches out and is provided with feedback chi in contact through-hole section, described feedback chi deviates from contact end and is provided with front bar, described front bar lower end is wholely set limited location bulge loop, described position limiting convex ring is disposed with foremast from bottom to up, spring, packing ring and nut, described foremast, spring, packing ring is all socketed in front bar, the lower surface of feedback chi is withstood in the upper surface of described packing ring, described feedback chi deviates from contact end and is vertically arranged with front bar installing hole, described front bar upper end is provided with external screw thread, described front bar upper end is connected with described nut thread after front bar installing hole.
2. the contactless long-range pneumatic intelligent positioner of one according to claim 1, it is characterized in that: also include digitial controller, A/D converter, I/P transducer, pneumatic amplifier and executor, described executor is provided with displacement transducer, institute's displacement sensors produces feedback signal, this feedback signal forms control deviation after A/D converter sample, conversion and digital filtering, producing pwm control signal after digitial controller correction and drive I/P transducer and pneumatic amplifier, described pneumatic amplifier produces pneumatic power signal and promotes executor's action.
3. the contactless long-range pneumatic intelligent positioner of one according to claim 2, it is characterised in that: it is provided with control chamber in described cylinder, in described control chamber, is provided with STM32 chip.
4. the contactless long-range pneumatic intelligent positioner of one according to claim 3, it is characterized in that: the internal face upper end of described cylinder has been wholely set bracket, described bracket is provided with control chamber support, described control chamber and control chamber support are connected by screw fixing, and described control chamber support and bracket are connected by screw fixing.
5. the contactless long-range pneumatic intelligent positioner of one according to claim 4, it is characterized in that: the alignment cylinder position, upper surface on described chassis offers sealing ring mounting groove, described sealing ring mounting groove built-in type is provided with rubber seal, and described chassis is tightly connected by rubber seal and cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610265249.4A CN105736821B (en) | 2016-04-25 | 2016-04-25 | Contactless long-range pneumatic intelligent positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610265249.4A CN105736821B (en) | 2016-04-25 | 2016-04-25 | Contactless long-range pneumatic intelligent positioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105736821A true CN105736821A (en) | 2016-07-06 |
| CN105736821B CN105736821B (en) | 2018-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610265249.4A Expired - Fee Related CN105736821B (en) | 2016-04-25 | 2016-04-25 | Contactless long-range pneumatic intelligent positioner |
Country Status (1)
| Country | Link |
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| CN (1) | CN105736821B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999005576A2 (en) * | 1997-07-23 | 1999-02-04 | Dresser Industries, Inc. | Valve positioner system |
| KR100810563B1 (en) * | 2007-03-28 | 2008-03-18 | 주식회사 영텍 | Positioner of feedback lever perception device for valve open measurement |
| CN101706008A (en) * | 2009-11-10 | 2010-05-12 | 温州希伯伦流体设备有限公司 | Intelligent control diaphragm valve |
| CN204628755U (en) * | 2015-05-22 | 2015-09-09 | 北方民族大学 | A kind of novel pneumatic intelligent positioner |
| CN205559968U (en) * | 2016-04-25 | 2016-09-07 | 浙江贝尔控制阀门有限公司 | Intelligent locator of long -range pneumatics of non -contact |
-
2016
- 2016-04-25 CN CN201610265249.4A patent/CN105736821B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999005576A2 (en) * | 1997-07-23 | 1999-02-04 | Dresser Industries, Inc. | Valve positioner system |
| KR100810563B1 (en) * | 2007-03-28 | 2008-03-18 | 주식회사 영텍 | Positioner of feedback lever perception device for valve open measurement |
| CN101706008A (en) * | 2009-11-10 | 2010-05-12 | 温州希伯伦流体设备有限公司 | Intelligent control diaphragm valve |
| CN204628755U (en) * | 2015-05-22 | 2015-09-09 | 北方民族大学 | A kind of novel pneumatic intelligent positioner |
| CN205559968U (en) * | 2016-04-25 | 2016-09-07 | 浙江贝尔控制阀门有限公司 | Intelligent locator of long -range pneumatics of non -contact |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105736821B (en) | 2018-01-12 |
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Granted publication date: 20180112 |
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| CF01 | Termination of patent right due to non-payment of annual fee |