CN109469762B - A kind of electropneumatic transducer - Google Patents
A kind of electropneumatic transducer Download PDFInfo
- Publication number
- CN109469762B CN109469762B CN201811504638.3A CN201811504638A CN109469762B CN 109469762 B CN109469762 B CN 109469762B CN 201811504638 A CN201811504638 A CN 201811504638A CN 109469762 B CN109469762 B CN 109469762B
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- CN
- China
- Prior art keywords
- conduction sheet
- magnetic conduction
- permanent magnetism
- magnetic field
- control
- 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.)
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Classifications
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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
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
-
- 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
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/08—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid using a permanent magnet
- F16K31/082—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid using a permanent magnet using a electromagnet and a permanent magnet
Abstract
The invention discloses a kind of electropneumatic transducers, including the first permanent magnetism magnetic conduction sheet (5), second permanent magnetism magnetic conduction sheet (4), coil (7) and the first control magnetic field magnetic conduction sheet (1), mounting groove is provided on the first permanent magnetism magnetic conduction sheet (5), the coil (7) is placed in the mounting groove of the first permanent magnetism magnetic conduction sheet (5), first control magnetic field magnetic conduction sheet (1) is arranged on the first permanent magnetism magnetic conduction sheet (5) and thorough coil (7), the side of coil (7) is provided with the second permanent magnetism magnetic conduction sheet (4), second permanent magnetism magnetic conduction sheet (4) is fixed on the first permanent magnetism magnetic conduction sheet (5) by fixing bolt (9).It is an advantage of the invention that can be adjusted after assembling without worker by gasket come accurate magnetic circuit gap.
Description
Technical field
The present invention relates to electropneumatic transducer, especially a kind of electropneumatic transducer.
Background technique
Electropneumatic transducer is that different current or voltage signals is converted into corresponding fluid pressure signal, in ideal conditions
Under, the size for commonly entering electric current is directly proportional to output fluid pressure.It is controlled under normal conditions using 4-20mA current signal defeated
Fluid pressure out, for Pneumatic valve actuator or as electrical valve locating piece electric conversion component.
Electropneumatic transducer controls the size of output pressure by the gap between control nozzle and baffle.Electropneumatic transducer is logical
The electromagnetic force generated in hot-wire coil magnetic field is crossed, changes baffle between nozzle after magnetic field stress, with elastic slice balance
Gap, to change fluid output pressure.
In the prior art, as shown in fig. 7, it is a kind of torque-motor electropneumatic transducer, by magnetically soft alloy A102, soft magnetism
Alloy B103 constitutes magnetic yoke, and magnetically soft alloy C101 constitutes balanced armature, while realizing baffle function.External permanent magnets A106 is provided
Magnetic field changes the internal magnetic field of balanced armature after loop A 107 is powered, and balanced armature is made to generate offset, changes magnetically soft alloy C
Gap between 101 and nozzle 112 after fluid pressure input Psup passes through throttle orifice 110, changes magnetically soft alloy C 101 and nozzle
Gap between 112 changes output pressure Pout, realizes the conversion function of Fluid pressure.
Electropneumatic transducer loop A 107 is mounted between magnetically soft alloy A102, magnetically soft alloy B103, in order to increase effective magnetic
Scene product, magnetic yoke volume is larger, needs using more software alloy, permanent magnet A106 passes through magnetically soft alloy A102, magnetically soft alloy
B103 constitutes closed magnetic circuit, since magnetic field strength is big, needs to close using the biggish magnetically soft alloy production soft magnetism of saturation magnetic field intensity
Golden A102, magnetically soft alloy B103, conventional electrical converter need to carry out electropneumatic transducer zeroing using spring 111, and structure is complicated,
Processing cost is high.
For another example application No. is the Chinese patents of 201310317836.X, and it discloses a kind of electropneumatic transducers, are also required to
It is returned to zero by null setting, just can guarantee normal work, it is inconvenient to use in this way.
Summary of the invention
The purpose of the present invention is to overcome the shortcomings of the existing technology, provides that a kind of manufacturing cost is low, and structure is simple, and can essence
The electropneumatic transducer in true magnetic circuit gap.
The purpose of the present invention is achieved through the following technical solutions: a kind of electropneumatic transducer, including the first permanent magnetism magnetic conduction sheet,
Second permanent magnetism magnetic conduction sheet, coil and first control magnetic field magnetic conduction sheet, are provided with mounting groove on the first permanent magnetism magnetic conduction sheet, institute
The coil stated is placed in the mounting groove of the first permanent magnetism magnetic conduction sheet, and the first control magnetic field magnetic conduction sheet setting is led in the first permanent magnetism
On magnetic sheet and thorough coil, the side of coil is provided with the second permanent magnetism magnetic conduction sheet, and the second permanent magnetism magnetic conduction sheet is solid by fixing bolt
It is scheduled on the first permanent magnetism magnetic conduction sheet.
Specifically, the first control magnetic field magnetic conduction sheet is " mountain " font, middle part thorough coil setting.
Specifically, the second control magnetic field magnetic conduction is provided between the first permanent magnetism magnetic conduction sheet and the second permanent magnetism magnetic conduction sheet
Piece and third control magnetic field magnetic conduction sheet, and fixing bolt sequentially passes through the second permanent magnetism magnetic conduction sheet, the second control magnetic field magnetic conduction sheet and the
One control magnetic field magnetic conduction sheet and third control magnetic field magnetic conduction sheet are connect with the first permanent magnetism magnetic conduction sheet.
Specifically, the second permanent magnetism magnetic conduction sheet both ends pass through fixing bolt and connect with the first permanent magnetism magnetic conduction sheet, the
Gasket, gasket are provided between two control magnetic field magnetic conduction sheets and third control magnetic field magnetic conduction sheet and the first control magnetic field magnetic conduction sheet
It is set on fixing bolt.
Specifically, permanent magnet, the permanent magnetism are provided between second permanent magnetism magnetic conduction sheet the first permanent magnetism magnetic conduction sheet
Body and the second control magnetic field magnetic conduction sheet and third control magnetic field magnetic conduction sheet are located at the opposite side of coil.
The invention has the following advantages that 1, electropneumatic transducer high sensitivity of the invention, winding volume and electric consumption are small,
Magnetically soft alloy usage amount is small, reduces electropneumatic transducer Material Cost, and the processing is simple for magnetically soft alloy part, can with precision stamping
It completes, without further machining, reduces processing cost；The control of magnetic circuit gap is simple, can be controlled with the thickness of gasket
Magnetic circuit gap, magnetic circuit gap error is small, improves the machining yield of electropneumatic transducer, and number of elements is few, when reducing production
The type and quantity of stock reduce electropneumatic transducer overall cost, since the quantity of element is few, the electropneumatic transducer processed
It is small in size, enclosure volume can be greatly reduced；
2, permanent magnetic circuit and the separation of coil magnetic circuit, reduce magnetic hysteresis；
3, the first control magnetic field magnetic conduction sheet itself realizes torsional spring simultaneously, and baffle function reduces number of parts.
Detailed description of the invention
Fig. 1 is configuration schematic diagram of the invention；
Fig. 2 is assembling structure schematic diagram of the invention；
Fig. 3 is schematic cross-sectional view of the invention；
Fig. 4 is the configuration schematic diagram of embodiment two；
Fig. 5 is the assembling structure schematic diagram of embodiment two；
Fig. 6 is the schematic cross-sectional view of embodiment two；
Fig. 7 is the structural schematic diagram of the prior art；
In figure: 1- first controls magnetic field magnetic conduction sheet, and 2- second controls magnetic field magnetic conduction sheet, and 3- third controls magnetic field magnetic conduction sheet,
4- the second permanent magnetism magnetic conduction sheet, 5- the first permanent magnetism magnetic conduction sheet, 6- permanent magnet, 7- coil, 8- gasket, 9- fixing bolt, 101- soft magnetism
Alloy C, 102- magnetically soft alloy B, 103- magnetically soft alloy C, 106- permanent magnet A, 107- loop A, 110- throttle orifice, 111- spring,
112- nozzle.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing, but protection scope of the present invention is not limited to following institute
It states.
Embodiment one,
As shown in Figures 1 to 3, a kind of electropneumatic transducer, including the first permanent magnetism magnetic conduction sheet 5, the second permanent magnetism magnetic conduction sheet 4, coil 7
Magnetic field magnetic conduction sheet 1 is controlled with first, is provided with mounting groove on the first permanent magnetism magnetic conduction sheet 5, the coil 7 is placed in first
In the mounting groove of permanent magnetism magnetic conduction sheet 5, the first control magnetic field magnetic conduction sheet 1 is arranged on the first permanent magnetism magnetic conduction sheet 5 and runs through
Coil 7, the side of coil 7 are provided with the second permanent magnetism magnetic conduction sheet 4, and the first permanent magnetism magnetic conduction sheet and 5 second permanent magnetism magnetic conduction sheets 4 are all made of
Soft magnetic materials, and thickness is identical, the second permanent magnetism magnetic conduction sheet 4 is fixed on the first permanent magnetism magnetic conduction sheet 5 by fixing bolt 9；First
It controls magnetic field magnetic conduction sheet 1 and uses soft magnetic materials, the magnetic conduction in control magnetic field is generated for 7 electric current of coil, while as baffle, electric current
The magnetic field interaction generated by generating magnetic field force and permanent magnet 6 after coil 7, generates the first control magnetic field magnetic conduction sheet 1 partially
Turn, change its gap between nozzle, realizes the change of control Fluid pressure；It in the prior art, is logical by loop A 107
After electricity, change the internal magnetic field of magnetically soft alloy C101, magnetically soft alloy C101 is made to generate offset, changes magnetically soft alloy C101 and nozzle
Gap between 112, after fluid pressure input Psup passes through throttle orifice 110, between changing between magnetically soft alloy C101 and nozzle 112
Gap, in this way the shortcomings that control are that the precision of control is not high, and also needs to carry out electropneumatic transducer zeroing using spring, and structure is multiple
It is miscellaneous, it is not easy to operate, control is complicated.
Further, the first control magnetic field magnetic conduction sheet 1 is " mountain " font, and middle part thorough coil 7 is arranged.
Further, the second control magnetic field is provided between the first permanent magnetism magnetic conduction sheet 5 and the second permanent magnetism magnetic conduction sheet 4
Magnetic conduction sheet 2 and third control magnetic field magnetic conduction sheet 3, and the second control magnetic field magnetic conduction sheet 2 uses soft magnetic materials, produces for 7 electric current of coil
The magnetic conduction in raw control magnetic field, third control magnetic field magnetic conduction sheet 3 and use soft magnetic materials, the control magnetic generated for 7 electric current of coil
The thickness of the magnetic conduction of field, the second control magnetic field magnetic conduction sheet 2 and third control magnetic field magnetic conduction sheet 3 is identical, and fixing bolt 9 sequentially passes through
Second permanent magnetism magnetic conduction sheet 4, second controls magnetic field magnetic conduction sheet 2 and the first control magnetic field magnetic conduction sheet 1 and third controls magnetic field magnetic conduction sheet
3 connect with the first permanent magnetism magnetic conduction sheet 5；Second control magnetic field magnetic conduction sheet 2, first controls magnetic field magnetic conduction sheet 1 and third controls magnetic field
Magnetic conduction sheet 3 and coil 7 constitute the closed circuit in control magnetic field, permanent magnet 6, the second permanent magnetism magnetic conduction sheet 4, the first permanent magnetism magnetic conduction sheet 5,
Second control magnetic field magnetic conduction sheet 2 and third control magnetic field magnetic conduction sheet 3 constitute magnetic circuit closed circuit, the present embodiment general
Permanent magnetic circuit and coil magnetic circuit separate, and reduce magnetic hysteresis, improve its stability.
Further, 4 both ends of the second permanent magnetism magnetic conduction sheet pass through fixing bolt 9 and the first permanent magnetism magnetic conduction sheet 5 connects
It connects, is provided between the second control magnetic field magnetic conduction sheet 2 and third control magnetic field magnetic conduction sheet 3 and the first control magnetic field magnetic conduction sheet 1
Gasket 8, gasket 8 are set on fixing bolt 9；Gasket 8 uses non-magnet material, and the thickness of each gasket 8 is identical, passes through tune
The thickness of whole gasket 8 comes the gap of magnetic circuit；The thickness of adjustment gasket 8 can carry out Precision Machining, and the precision of thickness is very
Height reaches the accurate control to magnetic circuit gap by its high-precision.
Further, it is provided with permanent magnet 6 between the 4 first permanent magnetism magnetic conduction sheet 5 of the second permanent magnetism magnetic conduction sheet, it is described
Permanent magnet 6 be located at the opposite side of coil 7, i.e. coil 7 with the second control magnetic field magnetic conduction sheet 2 and third control magnetic field magnetic conduction sheet 3
Between permanent magnet 6 and the second control magnetic field magnetic conduction sheet 2 and third control magnetic field magnetic conduction sheet 3, such first permanent magnet magnetic conduction sheet 5
With the second permanent magnet magnetic conduction sheet 4 shape and size having the same, processing mold quantity is reduced, improves the efficiency of production, forever
Magnet 6 is for providing fixed magnetic field.
Embodiment two,
As shown in figures 4-6, on the basis of example 1, preferably, the second permanent magnetism magnetic conduction sheet of embodiment two
4 be "convex" shaped, and permanent magnet 6 is provided between protruding portion and the first permanent magnetism magnetic conduction sheet 5, and the permanent magnet 6, second controls
Magnetic field magnetic conduction sheet 2 and third control magnetic field magnetic conduction sheet 3 are located at the ipsilateral of coil 7.
The above, only presently preferred embodiments of the present invention not do limitation in any form to the present invention.It is any ripe
Those skilled in the art is known, without departing from the scope of the technical proposal of the invention, all using technology contents described above
Many possible changes and modifications or equivalent example modified to equivalent change are made to technical solution of the present invention.Therefore, all
It is the content without departing from technical solution of the present invention, any change modification made to the above embodiment of technology according to the present invention,
Equivalent variations and modification belong to the protection scope of the technical program.
Claims (4)
1. a kind of electropneumatic transducer, it is characterised in that: including the first permanent magnetism magnetic conduction sheet (5), the second permanent magnetism magnetic conduction sheet (4), coil
(7) and first controls magnetic field magnetic conduction sheet (1), is provided with mounting groove, the coil on the first permanent magnetism magnetic conduction sheet (5)
(7) it is placed in the mounting groove of the first permanent magnetism magnetic conduction sheet (5), first control magnetic field magnetic conduction sheet (1) is arranged in the first permanent magnetism
On magnetic conduction sheet (5) and thorough coil (7), the side of coil (7) is provided with the second permanent magnetism magnetic conduction sheet (4), the second permanent magnetism magnetic conduction sheet
(4) it is fixed on the first permanent magnetism magnetic conduction sheet (5) by fixing bolt (9)；(4) first permanent magnetism of second permanent magnetism magnetic conduction sheet is led
Permanent magnet (6) are provided between magnetic sheet (5).
2. a kind of electropneumatic transducer according to claim 1, it is characterised in that: the first control magnetic field magnetic conduction sheet
It (1) is " mountain " font, middle part thorough coil (7) is arranged.
3. a kind of electropneumatic transducer according to claim 1, it is characterised in that: the first permanent magnetism magnetic conduction sheet (5) and
The second control magnetic field magnetic conduction sheet (2) and third control magnetic field magnetic conduction sheet (3) are provided between second permanent magnetism magnetic conduction sheet (4), it is fixed
Bolt (9) sequentially passes through the second permanent magnetism magnetic conduction sheet (4), the second control magnetic field magnetic conduction sheet (2), the first control magnetic field magnetic conduction sheet (1)
It is connect with third control magnetic field magnetic conduction sheet (3) with the first permanent magnetism magnetic conduction sheet (5).
4. a kind of electropneumatic transducer according to claim 3, it is characterised in that: the second permanent magnetism magnetic conduction sheet (4) two
End is connect by fixing bolt (9) with the first permanent magnetism magnetic conduction sheet (5), and the second control magnetic field magnetic conduction sheet (2) and third control magnetic
It is provided with gasket (8) between field magnetic conduction sheet (3) and the first control magnetic field magnetic conduction sheet (1), gasket (8) is set in fixing bolt
(9) on.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811504638.3A CN109469762B (en) | 2018-12-10 | 2018-12-10 | A kind of electropneumatic transducer |
| PCT/CN2019/127298 WO2020119827A1 (en) | 2018-12-10 | 2019-12-23 | Electrical/pneumatic converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811504638.3A CN109469762B (en) | 2018-12-10 | 2018-12-10 | A kind of electropneumatic transducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109469762A CN109469762A (en) | 2019-03-15 |
| CN109469762B true CN109469762B (en) | 2019-06-21 |
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ID=65676174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811504638.3A Active CN109469762B (en) | 2018-12-10 | 2018-12-10 | A kind of electropneumatic transducer |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109469762B (en) |
| WO (1) | WO2020119827A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469762B (en) * | 2018-12-10 | 2019-06-21 | 辰星仪表（成都）有限公司 | A kind of electropneumatic transducer |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4524400A (en) * | 1983-02-01 | 1985-06-18 | Gill Cantwell | Magnetic transducer positioning apparatus |
| CN2346044Y (en) * | 1998-05-09 | 1999-10-27 | 林育春 | Automatic controlled electric-pnematic converter |
| CN201866259U (en) * | 2010-11-05 | 2011-06-15 | 郑鉴川 | Self-locking electromagnetic gas valve |
| CN201966259U (en) * | 2010-11-30 | 2011-09-07 | 山东电力集团公司济宁供电公司 | Special device for changing storage battery |
| CN102377363B (en) * | 2011-10-19 | 2014-05-28 | 北京航空航天大学 | Dual-permanent-magnet compensation bias magnetic circuit of giant magnetostrictive actuator |
| KR101337287B1 (en) * | 2011-12-19 | 2013-12-06 | 주식회사 영텍 | A electro pneumatic converter with low hysteresis characteristic |
| JP2016039550A (en) * | 2014-08-08 | 2016-03-22 | ヤマハ株式会社 | Electro-acoustic transducer |
| CN204613617U (en) * | 2015-05-18 | 2015-09-02 | 浙江信基电气股份有限公司 | A kind of communication and controller utilizing polarity of the magnetic field transfer self power generation |
| CN105162303A (en) * | 2015-09-17 | 2015-12-16 | 北京微能高芯科技有限公司 | Micro power generation device and generating method based on permanent magnet material |
| CN109469762B (en) * | 2018-12-10 | 2019-06-21 | 辰星仪表（成都）有限公司 | A kind of electropneumatic transducer |
-
2018
- 2018-12-10 CN CN201811504638.3A patent/CN109469762B/en active Active
-
2019
- 2019-12-23 WO PCT/CN2019/127298 patent/WO2020119827A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN109469762A (en) | 2019-03-15 |
| WO2020119827A1 (en) | 2020-06-18 |
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