CN108612898A - Electropneumatic valve positioner gas circuit conversion equipment and electropneumatic valve positioner - Google Patents
Electropneumatic valve positioner gas circuit conversion equipment and electropneumatic valve positioner Download PDFInfo
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- CN108612898A CN108612898A CN201810772426.7A CN201810772426A CN108612898A CN 108612898 A CN108612898 A CN 108612898A CN 201810772426 A CN201810772426 A CN 201810772426A CN 108612898 A CN108612898 A CN 108612898A
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 68
- 230000001105 regulatory effect Effects 0.000 claims description 29
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 13
- 238000005516 engineering process Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000008713 feedback mechanism Effects 0.000 description 3
- 206010022000 influenza Diseases 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001914 calming effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
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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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The invention discloses a kind of electrical valve potentiometer gas circuit conversion equipment and electropneumatic valve positioners, wherein, the gas circuit conversion equipment includes bottom case and conversion seat, inlet channel and outlet passageway are formed in bottom case, the outlet of the entrance and outlet passageway of inlet channel is laid in the side of bottom case according to the first sequence；The outlet of inlet channel and the entrance of outlet passageway are laid in the top surface of bottom case；Air inlet ALT-CH alternate channel and outlet ALT-CH alternate channel are formed in conversion seat, the outlet of air inlet ALT-CH alternate channel and the entrance of outlet ALT-CH alternate channel are laid in the first side of conversion seat, and are connected respectively with the outlet of the entrance of inlet channel and outlet passageway；According to the second side for being laid in conversion seat different from the second sequence of the first sequence, first side and second side are opposite facing for the outlet of the entrance and outlet ALT-CH alternate channel of air inlet ALT-CH alternate channel.The gas circuit conversion equipment of the present invention, is convenient to use of the piezo electric valve in electropneumatic valve positioner, meanwhile, meet the use habit of domestic technique personnel.
Description
Technical field
The present invention relates to electrical valve technical field more particularly to a kind of electrical valve potentiometer gas circuit conversion equipment and
Electropneumatic valve positioner.
Background technology
Electropneumatic valve positioner is the main accessories of pneumatic control valve, is usually matched with pneumatic control valve, electrical valve
Door holder is connected with actuator (generally cylinder etc.), and actuator is connected with pneumatic control valve, is pushed by actuator pneumatic
Valve rod in regulating valve moves and then changes opening size, and electropneumatic valve positioner links with actuator, and then will pneumatically adjust
The displacement of valve rod of section valve is converted to electric signal, and the electric signal is fed back to controller, and controller believes the electric signal and setting
It number is compared, when the two has deviation, controller changes it and arrives the output signal of actuator, and actuator is made to act, and then adjusts
The aperture of pneumatic control valve is saved to setting value.In other words, valve positioner is the signal using displacement of valve rod as feedback control, into
And realize the feedback control to pneumatic control valve.
More specifically, electropneumatic valve positioner includes feedback mechanism and piezo electric valve, and feedback mechanism is connected to actuator, with
Actuator acts and the displacement of the valve rod of pneumatic control valve is converted to electric signal, and feeds back to controller, and controller is according to this
Electric signal carries out switch control to piezo electric valve.Piezo electric valve is connected to actuator, and height can be provided for actuator when piezo electric valve is opened
Body of calming the anger pushes actuator action, actuator further to push the valve rod of pneumatic control valve in turn, and then adjusts pneumatic adjusting
The aperture of valve realizes the feedback control to pneumatic control valve with this.
In the related technology, piezo electric valve is generally purchased by external import, air inlet, gas outlet and the exhaust of this piezo electric valve
It is mouthful equal that positioned at the bottom surface of piezo electric valve, when being applied on electropneumatic valve positioner, use is extremely inconvenient, also, air inlet and
The distributing order of gas outlet does not meet the use habit of domestic technique personnel yet.
Invention content
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, the present invention
One purpose is to propose a kind of electropneumatic valve positioner gas circuit conversion equipment.
It is another object of the present invention to propose a kind of electropneumatic valve positioner.
To achieve the above object, on the one hand, electropneumatic valve positioner according to the ... of the embodiment of the present invention gas circuit conversion equipment,
For being connected with piezo electric valve, including：
Bottom case is formed with inlet channel and outlet passageway, the entrance and outlet passageway of the inlet channel in the bottom case
Outlet the side of the bottom case is laid according to the first sequence；The outlet of the inlet channel and the entrance of outlet passageway are laid
In the top surface of the bottom case, and respectively on the piezo electric valve air inlet and gas outlet it is corresponding；
Conversion seat is formed with air inlet ALT-CH alternate channel and outlet ALT-CH alternate channel, the air inlet ALT-CH alternate channel in the conversion seat
Outlet and the entrance of outlet ALT-CH alternate channel be laid in the first side of the conversion seat, and enter respectively with the inlet channel
The outlet of mouth and outlet passageway is corresponding；The outlet of the entrance and outlet ALT-CH alternate channel of the air inlet ALT-CH alternate channel according to different from
Second sequence of first sequence is laid in the second side of the conversion seat, and the first side and second side are opposite
It is right；
The adapter is installed on the side of the bottom case, and the outlet and the air inlet of the air inlet ALT-CH alternate channel are logical
The entrance in road communicates, and the entrance of the outlet ALT-CH alternate channel is communicated with the outlet of outlet passageway.
The electropneumatic valve positioner provided according to embodiments of the present invention gas circuit conversion equipment, bottom case have inlet channel and
Outlet passageway, the outlet of inlet channel and the entrance of outlet passageway are located at the top surface of bottom case, and respectively with piezo electric valve bottom surface into
Gas port is connected to gas outlet, and the outlet of the entrance and outlet passageway of inlet channel is laid in the side of bottom case according to the first sequence,
That is, by inlet channel in bottom case and outlet passageway the air inlet of piezo electric valve bottom surface and gas outlet can be converted to
The side of bottom case.There are air inlet ALT-CH alternate channel and outlet ALT-CH alternate channel in conversion seat, the outlet of air inlet ALT-CH alternate channel and goes out gas shift
The entrance in channel is laid in the first side of conversion seat, and is connected respectively with the outlet of the entrance of inlet channel and outlet passageway
It is logical；The outlet of the entrance and outlet ALT-CH alternate channel of air inlet ALT-CH alternate channel is laid according to the second sequence different from the first sequence to be turned
Change the second side of seat, that is to say, that the air inlet of piezo electric valve bottom surface and gas outlet are further converted to the first side of conversion seat
Face, and the sequence arranged is also changed so that and its sequence meets the use habit of domestic technique personnel, facilitates as a result,
In use of the piezo electric valve in electropneumatic valve positioner, meanwhile, meet the use habit of domestic technique personnel.In addition, structure is simple
It is single, it is easy to assembly.
In addition, electropneumatic valve positioner gas circuit conversion equipment according to the above embodiment of the present invention can also have it is as follows
Additional technical characteristic：
According to one embodiment of present invention, the outlet passageway includes the first outlet passageway, first outlet passageway
And inlet channel is horizontally extending, and first outlet passageway is parallel with the inlet channel；
The outlet ALT-CH alternate channel include the first outlet ALT-CH alternate channel, the entrance of the first outlet ALT-CH alternate channel with it is described
The outlet of first outlet passageway communicates.
According to one embodiment of present invention, the outlet passageway further includes the second outlet passageway, and second outlet is logical
Road is horizontally extending and parallel with first outlet passageway, and the inlet channel is located at first outlet passageway and institute
Between stating the second outlet passageway, and the entrance of the inlet channel is located at the outlet and described second of first outlet passageway and goes out
Between the outlet in gas channel；
The outlet ALT-CH alternate channel include the second outlet ALT-CH alternate channel, the entrance of the second outlet ALT-CH alternate channel with it is described
The outlet of second outlet passageway communicates.
According to one embodiment of present invention, the inlet channel is located at same level with first outlet passageway
Interior, second outlet passageway is located at first outlet passageway in different level.
According to one embodiment of present invention, the air inlet ALT-CH alternate channel includes：
First air flue, first air flue extend from the first side to the second side and not through the second side
Face, one end that first air flue is located at the first side are formed as the outlet of the air inlet ALT-CH alternate channel；
Second air flue, second air flue extend to the 4th side from the third side of the conversion seat and with described first
Air flue communicates and not through the 4th side, and one end that second air flue is located at the third side passes through the first type of tamper evidence
Plug for seal；The third side and the 4th side are opposite facing, and between the first side and second side；
Third air flue, the third air flue extend from the second side to the first side and with second air flue
It communicates and not through the first side, one end that the third air flue is located at the second side is formed as described into gas shift
The entrance in channel.
According to one embodiment of present invention, the first outlet ALT-CH alternate channel includes：
4th air flue, the 4th air flue extend from the first side to the second side and not through the second side
Face, one end that the 4th air flue is located at the first side are formed as the entrance of the first outlet ALT-CH alternate channel；
5th air flue, the 5th air flue extend from the 4th side to third side and are communicated with the 4th air flue
And not through the third side, one end that the 5th air flue is located at the 4th side is close by the blocking of the second type of tamper evidence
Envelope；
6th air flue, the 6th air flue extend from the second side to the first side and with the 5th air flue
It communicates and not through the first side, one end that the 6th air flue is located at the second side is formed as first outlet
The outlet of ALT-CH alternate channel.
According to one embodiment of present invention, the second outlet ALT-CH alternate channel includes：
7th air flue, the 7th air flue extend from the first side to the second side and not through the second side
Face, one end that the 7th air flue is located at the first side are formed as the entrance of the second outlet ALT-CH alternate channel；
8th air flue, the 8th air flue extend to the 4th side from the third side and are communicated with the 7th air flue
And not through the 4th side, one end that the 8th air flue is located at the third side is close by the blocking of the first regulating part
Envelope, first regulating part can move along the extending direction of the 8th air flue and stretch into the 7th air flue, described in adjusting
The opening size of 7th air flue；
9th air flue, the 9th air flue extend from the second side to the first side and with the 8th air flue
It communicates and not through the first side, one end that the 9th air flue is located at the second side is formed as second outlet
The outlet of ALT-CH alternate channel.
According to one embodiment of present invention, the first outlet ALT-CH alternate channel further includes：
Tenth air flue, the tenth air flue extend from the 4th side to third side and are communicated with the 4th air flue
And not through the third side, one end that the tenth air flue is located at the 4th side is close by the blocking of the second regulating part
Envelope, second regulating part can move along the extending direction of the tenth air flue and stretch into the 4th air flue, described in adjusting
The opening size of 4th air flue.
According to one embodiment of present invention, first regulating part includes the first head and is connected with first head
The first bar portion, one end that the third side is closed on the 8th air flue is equipped with the first internal thread, first head
Peripheral surface is equipped with the first external screw thread with first screw-internal thread fit, and first shank portion stretches into the 7th air flue.
According to one embodiment of present invention, second regulating part includes the second head and is connected with second head
The second bar portion, one end that the 4th side is closed on the tenth air flue is equipped with the second internal thread, second head
Peripheral surface is equipped with the second external screw thread with second screw-internal thread fit, and second shank portion stretches into the 4th air flue.
On the other hand, electropneumatic valve positioner according to the ... of the embodiment of the present invention has electrical valve as described above positioning
Device gas circuit conversion equipment.
There is the electropneumatic valve positioner provided according to embodiments of the present invention above-mentioned electropneumatic valve positioner to be converted with gas circuit
Device, it is therefore, easy to use, meanwhile, meet the use habit of domestic technique personnel.In addition, it is simple in structure, it is easy to assembly.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of electropneumatic valve positioner gas circuit conversion equipment of the embodiment of the present invention；
Fig. 2 is the exploded view of electropneumatic valve positioner gas circuit conversion equipment of the embodiment of the present invention；
Fig. 3 is the right side schematic diagram of bottom case in electropneumatic valve positioner gas circuit conversion equipment of the embodiment of the present invention；
Fig. 4 is sectional view at D-D in Fig. 3；
Fig. 5 is sectional view at E-E in Fig. 3；
Fig. 6 is the right side schematic diagram of conversion seat in electropneumatic valve positioner gas circuit conversion equipment of the embodiment of the present invention；
Fig. 7 is sectional view at A-A in Fig. 6；
Fig. 8 is sectional view at C-C in Fig. 6；
Fig. 9 is sectional view at B-B in Fig. 6.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention, based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained without creative efforts
Example is applied, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " " axial direction ", " circumferential direction ", " radial direction " be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be machine
Tool connects, and can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary two members
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or "lower"
It may include that the first and second features are in direct contact, can also not be to be in direct contact but pass through it including the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " include first special
Sign is right over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include fisrt feature immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
The electropneumatic valve positioner gas circuit conversion equipment of the embodiment of the present invention is described in detail with reference to the accompanying drawings.
Shown in Fig. 9, the electropneumatic valve positioner gas circuit conversion equipment provided according to embodiments of the present invention,
For being connected with piezo electric valve 30, including bottom case 10 and conversion seat 20.
Specifically, inlet channel 101 and outlet passageway are formed in bottom case 10, the entrance 1011 of the inlet channel 101
And the outlet of outlet passageway is laid in the side of the bottom case 10 according to the first sequence；The outlet 1012 of the inlet channel 101
Be laid in the top surface of the bottom case 10 with the entrance of outlet passageway, and respectively on the piezo electric valve 30 air inlet 301 and go out
Gas port is corresponding.
That is, one end of inlet channel 101 and outlet passageway is located at the side of bottom case 10, inlet channel 101 and go out
The other end in gas channel is located at the top surface of bottom case 10, in a particular application, piezo electric valve 30 is placed on the top surface of bottom case 10 and is led to
It crosses fastener to be locked, at this point, the outlet of the air inlet 301 of 30 bottom surface of piezo electric valve and the inlet channel 101 of 10 top surface of bottom case
1012 are connected, and the gas outlet of 30 bottom surface of piezo electric valve is connected with the entrance of the outlet passageway of 10 top surface of bottom case.
Air inlet ALT-CH alternate channel 201 and outlet ALT-CH alternate channel are formed in conversion seat 20, the air inlet ALT-CH alternate channel 201 goes out
The entrance of mouth H2012 and outlet ALT-CH alternate channel is laid in the first side S01 of the conversion seat 20, and logical with the air inlet respectively
The outlet of the entrance 1011 and outlet passageway in road 101 is corresponding；The entrance H2011 and outlet of the air inlet ALT-CH alternate channel 201 turn
The outlet for changing channel is laid in the second side of the conversion seat 20 according to the second sequence different from first sequence, described
First side S01 and second side are opposite facing.Adapter is installed on the side of the bottom case 10, the air inlet ALT-CH alternate channel
201 outlet H2012 is communicated with the entrance 1011 of the inlet channel 101, and the entrance and outlet of the outlet ALT-CH alternate channel are logical
The outlet in road communicates.
That is, one end of air inlet ALT-CH alternate channel 201 and outlet ALT-CH alternate channel is located at the first side of conversion seat 20
The other end of S01, air inlet ALT-CH alternate channel 201 and outlet ALT-CH alternate channel is located at the second side of conversion seat 20.Conversion seat 20 is installed
In the side of bottom case 10, such as be fixed on by the fastener of screw the side of bottom case 10, the first side S01 of conversion seat 20 with
The side of bottom case 10 fits, in this way, the outlet H2012 of the air inlet ALT-CH alternate channel 201 of the first side S01 of conversion seat 20 and bottom
The entrance 1011 of the inlet channel 101 of the side of shell 10 is connected, the outlet ALT-CH alternate channel of the first side S01 of conversion seat 20
Entrance is connected with the outlet of the outlet passageway of the side of bottom case 10.
The outlet of the entrance H2011, air inlet ALT-CH alternate channel 201, air inlet ALT-CH alternate channel 201 of air inlet ALT-CH alternate channel 201 as a result,
H2012, the entrance 1011 of inlet channel 101, inlet channel 101, the outlet 1012 of inlet channel 101, the air inlet of piezo electric valve 30
Mouth 301 and piezo electric valve 30 are sequentially communicated to form gas flow channel.Piezo electric valve 30, the gas outlet of piezo electric valve 30, outlet passageway
Entrance, outlet passageway, the outlet of outlet passageway, the entrance of outlet ALT-CH alternate channel, outlet ALT-CH alternate channel and outlet ALT-CH alternate channel
Outlet is sequentially communicated to form gas flow pass.
In a particular application, the entrance H2011 of air inlet ALT-CH alternate channel 201 can be connected to air machinery, and it is logical to go out gas shift
The outlet in road can be connected to actuator, and the gas that air machinery provides can enter to piezo electric valve by gas flow channel
30, when piezo electric valve 30 is opened, which can flow out from the gas outlet of piezo electric valve 30, and be flowed by gas flow pass
Actuator, and then drive actuator action.
It should be noted that due to the limitation of 10 structure of bottom case and spatial position, the side upper air channel 101 of bottom case 10
Entrance 1011 and outlet passageway outlet arrangements sequence can not be directly changed into domestic technique personnel custom distributing order,
Therefore, the first sequence of the outlet arrangements of the entrance 1011 and outlet passageway in the side upper air channel 101 of bottom case 10 is and presses
Air inlet 301 and gas outlet on electric valve 30 is corresponding, then is converted by conversion seat 20 so that air inlet ALT-CH alternate channel
The outlet of 201 entrance H2011 and outlet ALT-CH alternate channel are laid in conversion according to the second sequence for meeting domestic user's custom
The second side S02 of seat 20.Such as it is located at centre in external use habit for air inlet 301, two gas outlets are located at air inlet
301 both sides.And domestic use habit is air inlet 301, gas outlet is arranged in order.
The electropneumatic valve positioner provided according to embodiments of the present invention gas circuit conversion equipment, bottom case 10 have inlet channel
101 and outlet passageway, the outlet 1012 of inlet channel 101 and the entrance of outlet passageway are located at the top surface of bottom case 10, and respectively with
The air inlet 301 of 30 bottom surface of piezo electric valve is connected to gas outlet, the outlet of the entrance 1011 and outlet passageway of inlet channel 101 according to
First sequence is laid in the side of bottom case 10, that is to say, that can will by inlet channel 101 in bottom case 10 and outlet passageway
The air inlet 301 of 30 bottom surface of piezo electric valve and gas outlet are converted to the side of bottom case 10.There is air inlet ALT-CH alternate channel 201 in conversion seat 20
With outlet ALT-CH alternate channel, the outlet H2012 of air inlet ALT-CH alternate channel 201 and the entrance of outlet ALT-CH alternate channel are laid in conversion seat 20
First side S01, and be connected respectively with the outlet of the entrance of inlet channel 101 1011 and outlet passageway；Air inlet ALT-CH alternate channel
The outlet of 201 entrance H2011 and outlet ALT-CH alternate channel are laid in conversion seat 20 according to the second sequence different from the first sequence
Second side S02, that is to say, that the air inlet 301 of 30 bottom surface of piezo electric valve and gas outlet further conversion to conversion seat 20
First side S01, and the sequence arranged is also changed so that and its sequence meets the use habit of domestic technique personnel,
It is convenient to use of the piezo electric valve 30 in electropneumatic valve positioner as a result, meanwhile, meet the use habit of domestic technique personnel.
In addition, it is simple in structure, it is easy to assembly.
With reference to shown in figure Fig. 5, in one embodiment of the invention, outlet passageway includes the first outlet passageway 102, described
First outlet passageway 102 and inlet channel 101 are horizontally extending, the first outlet passageway 102 and the inlet channel 101
Parallel, in Fig. 5 examples, the first outlet passageway 102 and inlet channel 101 extend in left-right direction；Outlet ALT-CH alternate channel packet
Include the first outlet ALT-CH alternate channel 203, entrance H2031 and first outlet passageway 102 of the first outlet ALT-CH alternate channel 203
Outlet 1022 communicate.
That is, in the present embodiment, outlet passageway includes the first outlet passageway 102, and outlet ALT-CH alternate channel includes first
Outlet ALT-CH alternate channel 203, it is suitable for single pass piezo electric valve 30 and single-acting cylinder (actuator), the first outlet ALT-CH alternate channels
203 outlet H2032 is connected to the air inlet of single-acting cylinder, and the entrance 1021 of the first outlet passageway 102 is connected to piezo electric valve
30 gas outlet, then piezo electric valve 30 open when, gas from the first outlet passageway 102 flow into the first outlet ALT-CH alternate channel 203, then from
First outlet ALT-CH alternate channel 203 enters to single-acting cylinder, and single-acting cylinder is pushed to stretch out, and the retraction of single-acting cylinder is generally logical
Spring reset is crossed, thus, it is possible to meet the driving of single-acting cylinder.
With reference to shown in Fig. 4 to Fig. 5, in another embodiment of the present invention, outlet passageway further includes the second outlet passageway
103, second outlet passageway 103 is horizontally extending and parallel with first outlet passageway 102, the inlet channel
101 between first outlet passageway 102 and second outlet passageway 103, and the entrance of the inlet channel 101
1011 are located between the outlet 1022 and the outlet 1032 of second outlet passageway 103 of first outlet passageway 102；Outlet
ALT-CH alternate channel includes the second outlet ALT-CH alternate channel 202, the entrance H2021 and described second of the second outlet ALT-CH alternate channel 202
The outlet 1032 of outlet passageway 103 communicates.
That is, in the present embodiment, outlet passageway includes the first outlet passageway 102 and the second outlet passageway 103, outlet
ALT-CH alternate channel includes the first outlet ALT-CH alternate channel 203 and the second outlet ALT-CH alternate channel 202, and it is suitable for twin-channel piezo electric valves 30
And double-acting cylinder (actuator), the outlet H2032 of the first outlet ALT-CH alternate channel 203 are connected to the first air inlet of double-acting cylinder
Mouthful, the entrance 1021 of the first outlet passageway 102 is connected to the first gas outlet 302 of piezo electric valve 30, the second outlet ALT-CH alternate channel 202
Outlet H2022 be connected to the second air inlet of double-acting cylinder, the entrance 1031 of the second outlet passageway 103 is connected to piezo electric valve
30 the second gas outlet 302, then when the first gas outlet 302 of piezo electric valve 30 is opened, gas is flowed into from the first outlet passageway 102
First outlet ALT-CH alternate channel 203, then double-acting cylinder is entered to from the first outlet ALT-CH alternate channel 203, push double-acting cylinder to stretch
Go out；When the second gas outlet 302 of piezo electric valve 30 is opened, gas flows into the second outlet ALT-CH alternate channel from the second outlet passageway 103
202, then double-acting cylinder is entered to from the second outlet ALT-CH alternate channel 202, push double-acting cylinder to retract, thus, it is possible to meet
The driving of double-acting cylinder.
In one embodiment of the invention, inlet channel 101 is located at same level with first outlet passageway 102
Interior, second outlet passageway 103 is located at first outlet passageway 102 in different level, that is to say, that the first outlet
Channel 102 and the second outlet passageway 103 are dislocatedly distributed in different level, in this way, can be to avoid 102 He of the first outlet passageway
Second outlet passageway 103 is interfering with each other, is convenient to opening up for the first outlet passageway 102 and the second outlet passageway 103, meanwhile, it can
To reduce the size of bottom case 10.
With reference to shown in Fig. 7, in one embodiment of the invention, air inlet ALT-CH alternate channel 201 includes the first air flue 2011, the
Two air flues 2012 and third air flue 2013, wherein the first air flue 2011 is from the first side S01 to the second side S02
Extend and not through second side S02, first air flue 2011 be located at the first side S01 one end be formed as described in into
The outlet H2012 in gas shift channel 201.
Second air flue 2012 extends to the 4th side S04 from the third side S03 of the conversion seat 20 and with described first
Air flue 2011 communicates and not through the 4th side S04, and second air flue 2012 is located at one end of the third side S03
Pass through the first type of tamper evidence plug for seal；The third side S03 and the 4th side S04 are opposite facing, and are located at described first
Between side S01 and second side S02.
Third air flue 2013 extend from the second side S02 to the first side S01 and with second air flue
2012 communicate and not through the first side S01, one end that the third air flue 2013 is located at the second side S02 is formed
For the entrance H2011 of the air inlet ALT-CH alternate channel 201.
In Fig. 7 examples, the first air flue 2011 extends in left-right direction, and the second air flue 2012 extends in the longitudinal and with first
Air flue 2011 is connected, and third air flue 2013 extends and is connected with the second air flue 2012 in left-right direction.In specific processing,
It can drill to form above-mentioned first air flue 2011 from first side S01 to second side S02, from third side S03 to the 4th side
Face S04 drills to form the second air flue 2012, drills to form third air flue 2013 from second side S02 to first side S01, then will
It is located at one end on the S03 of third side on second air flue 2012 by the first type of tamper evidence plug for seal, in this way, the first air flue
2011, the second air flue 2012 and third air flue 2013 can be connected to form air inlet ALT-CH alternate channel 201, easy to process, also, can
To select entrance H2011 and the outlet positions H2012 of air inlet ALT-CH alternate channel 201 as needed.
With reference to shown in Fig. 8, in one embodiment of the invention, the first outlet ALT-CH alternate channel 203 includes the 4th air flue
2031, the 5th air flue 2032 and the 6th air flue 2033, wherein the 4th air flue 2031 is from the first side S01 to described second
Side S02 extends and not through second side S02, and one end that the 4th air flue 2031 is located at the first side S01 is formed
For the entrance H2031 of the first outlet ALT-CH alternate channel 203.
5th air flue 2032 extend from the 4th side S04 to third side S03 and with 2031 phase of the 4th air flue
Lead to and not through the third side S03, one end that the 5th air flue 2032 is located at the 4th side S04 is stifled by second
24 plug for seal of plug member.
6th air flue 2033 extend from the second side S02 to the first side S01 and with the 5th air flue
2032 communicate and not through the first side S01, one end that the 6th air flue 2033 is located at the second side S02 is formed
For the outlet H2032 of the first outlet ALT-CH alternate channel 203.
In Fig. 8 examples, the 4th air flue 2031 extends in left-right direction, and the 5th air flue 2032 extends in the longitudinal and with the 4th
Air flue 2031 is connected, and the 6th air flue 2033 extends and is connected with the 5th air flue 2032 in left-right direction.In specific processing,
It can drill to form above-mentioned 4th air flue 2031 from first side S01 to second side S02, from the 4th side S04 to third side
Face S03 drills to form the 5th air flue 2032, drills to form the 6th air flue 2033 from second side S02 to first side S01, then will
It is located at one end on the 4th side S04 on 5th air flue 2032 by 24 plug for seal of the second type of tamper evidence, in this way, the 4th air flue
2031, the 5th air flue 2032 and the 6th air flue 2033 can be connected to form the first outlet ALT-CH alternate channel 203, easy to process, and
And entrance H2031 and the outlet positions H2032 of the first outlet ALT-CH alternate channel 203 can be selected as needed.
With reference to shown in Fig. 9, in one embodiment of the invention, the second outlet ALT-CH alternate channel 202 includes the 7th air flue
2021, the 8th air flue 2022 and the 9th air flue 2023, wherein the 7th air flue 2021 is from the first side S01 to described second
Side S02 extends and not through second side S02, and one end that the 7th air flue 2021 is located at the first side S01 is formed
For the entrance H2021 of the second outlet ALT-CH alternate channel 202.
8th air flue 2022 extend from the third side S03 to the 4th side S04 and with 2021 phase of the 7th air flue
Lead to and not through the 4th side S04, one end that the 8th air flue 2022 is located at the third side S03 passes through the first tune
21 plug for seal of part is saved, first regulating part 21 can move along the extending direction of the 8th air flue 2022 and stretch into described the
Seven air flues 2021, to adjust the opening size of the 7th air flue 2021.
9th air flue 2023 extend from the second side S02 to the first side S01 and with the 8th air flue
2022 communicate and not through the first side S01, one end that the 9th air flue 2023 is located at the second side S02 is formed
For the outlet H2022 of the second outlet ALT-CH alternate channel 202.
In Fig. 9 examples, the 7th air flue 2021 extends in left-right direction, and the 8th air flue 2022 extends in the longitudinal and with the 7th
Air flue 2021 is connected, and the 9th air flue 2023 extends and is connected with the 8th air flue 2022 in left-right direction.In specific processing,
It can drill to form above-mentioned 7th air flue 2021 from first side S01 to second side S02, from third side S03 to the 4th side
Face S04 drills to form the 8th air flue 2022, drills to form the 9th air flue 2023 from second side S02 to first side S01, then
It is located at one end on the S03 of third side on 9th air flue 2023 by 21 plug for seal of the first regulating part, in this way, the 7th air flue
2021, the 8th air flue 2022 and the 9th air flue 2023 can be connected to form the second outlet ALT-CH alternate channel 202, easy to process, and
And entrance H2021 and the outlet positions H2022 of the second outlet ALT-CH alternate channel 202 can be selected as needed.
In addition, the first regulating part 21 can move along the extending direction of the 8th air flue 2022 and stretch into the 7th air flue
2021, it, can be by the first regulating part 21 to far from the 7th air flue 2021 when needing to increase the opening size of the 7th air flue 2021
Direction movement so that stretch to part in the 7th air flue 2021 on the first regulating part 21 and reduce；And it is needing to reduce the 7th
When the opening size of air flue 2021, the first regulating part 21 can be moved to the direction close to the 7th air flue 2021 so that first
The part stretched on regulating part 21 in the 7th air flue 2021 is increased, in this way, the 7th air flue 2021 can be adjusted easily
Opening size, and then adjust the second outlet ALT-CH alternate channel 202 gas flow.
It should be noted that air inlet ALT-CH alternate channel 201, the first outlet ALT-CH alternate channel 203 and the second outlet ALT-CH alternate channel 202
It can distinguish on a different plane, in this way, the arrangement that can misplace, in order to process air inlet ALT-CH alternate channel 201, the first outlet
ALT-CH alternate channel 203 and the second outlet ALT-CH alternate channel 202.
With reference to shown in Fig. 8, in one embodiment of the invention, the first outlet ALT-CH alternate channel 203 further includes the tenth air flue
2034, the tenth air flue 2034 extend from the 4th side S04 to third side S03 and with 2031 phase of the 4th air flue
Lead to and not through the third side S03, one end that the tenth air flue 2034 is located at the 4th side S04 passes through the second tune
22 plug for seal of part is saved, second regulating part 22 can move along the extending direction of the tenth air flue 2034 and stretch into described the
Four air flues 2031, to adjust the opening size of the 4th air flue 2031.
In Fig. 8 examples, the tenth air flue 2034 extends and is connected to the 4th air flue along the longitudinal direction, in specific processing,
It can drill from the 4th side S04 to third side S03 to form above-mentioned tenth air flue 2034, then be located on the tenth channel the
One end on four side S04 passes through 22 plug for seal of the second regulating part.
Since the second regulating part 22 can be moved along the extending direction of the tenth air flue 2034 and stretch into the 4th air flue
2031, so, it, can be by the second regulating part 22 to far from the 4th air flue when needing to increase the opening size of the 4th air flue 2031
2031 direction movement so that stretch to the part in the 4th air flue 2031 on the second regulating part 22 and reduce；And it is needing to reduce
When the opening size of the 4th air flue 2031, the second regulating part 22 can be moved to the direction close to the 4th air flue 2031 so that
The part stretched in the 4th air flue 2031 on second regulating part 22 is increased, in this way, the 4th air flue can be adjusted easily
2031 opening size, and then adjust the gas flow of the first outlet ALT-CH alternate channel 203.
With reference to shown in Fig. 9, more specifically, in one embodiment of the invention, the first regulating part 21 includes first
Portion 211 and the first bar portion 212 being connected with first head 211 close on the third side on the 8th air flue 2022
One end of S03 is equipped with the first internal thread, and the peripheral surface on first head 211 is equipped with first with first screw-internal thread fit
The 7th air flue 2021 is stretched into external screw thread, 212 part of the first bar portion.
When needing to adjust the gas flow of the second outlet ALT-CH alternate channel 202, the first head of the first regulating part 21 is rotated
211 so that the first bar portion 212 moves or be gradually backed out the 7th air flue 2021 into the 7th air flue 2021, goes out in this way, adjusting second
The gas flow in gas shift channel 202 is more convenient.
With reference to shown in Fig. 8, in one embodiment of the invention, the second regulating part 22 include the second head 221 and with institute
The second connected bar portion 222 of the second head 221 is stated, one end that the 4th side S04 is closed on the tenth air flue 2034 is set
There is the second internal thread, the peripheral surface on second head 221 is equipped with the second external screw thread with second screw-internal thread fit, described
The 4th air flue 2031 is stretched into second bar portion, 222 part.
When needing to adjust the gas flow of the first outlet ALT-CH alternate channel 203, the second head of the second regulating part 22 is rotated
221 so that the second bar portion 222 moves or be gradually backed out the 4th air flue 2031 into the 4th air flue 2031, goes out in this way, adjusting first
The gas flow in gas shift channel 203 is more convenient.
In some embodiments of the invention, further include first pressure gauge 40 and second pressure gauge 41, the top of conversion seat 20
Face is equipped with the first through hole being connected to the first outlet ALT-CH alternate channel 203, and second be connected to the second outlet ALT-CH alternate channel 202
Through-hole, first pressure gauge 40 are located on conversion seat 20 and are connected to first through hole, and second pressure gauge 41 is located on conversion seat 20 simultaneously
It is connected to the second through-hole, in this way, with first pressure gauge 40 and second pressure gauge 41 first outlet ALT-CH alternate channel 203 can be detected respectively
With the air pressure in the second outlet ALT-CH alternate channel 202.
There is electropneumatic valve positioner according to the ... of the embodiment of the present invention electropneumatic valve positioner as described above to be turned with gas circuit
Changing device.
It should be noted that other compositions of electropneumatic valve positioner and operation are for ability according to embodiments of the present invention
All it is known, such as feedback mechanism, piezo electric valve 30, controller etc. for the those of ordinary skill of domain, is not detailed herein.
There is the electropneumatic valve positioner provided according to embodiments of the present invention above-mentioned electropneumatic valve positioner to be converted with gas circuit
Device, it is therefore, easy to use, meanwhile, meet the use habit of domestic technique personnel.In addition, it is simple in structure, it is easy to assembly.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the scope of the invention, every at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
In the scope of patent protection that other related technical areas are included in the present invention.
Claims (11)
1. a kind of electropneumatic valve positioner gas circuit conversion equipment, for being connected with piezo electric valve, which is characterized in that including：
Bottom case is formed with inlet channel and outlet passageway, the entrance of the inlet channel and going out for outlet passageway in the bottom case
Mouth is laid in the side of the bottom case according to the first sequence；The outlet of the inlet channel and the entrance of outlet passageway are laid in institute
State the top surface of bottom case, and respectively on the piezo electric valve air inlet 301 and gas outlet it is corresponding；
Conversion seat is formed with air inlet ALT-CH alternate channel and outlet ALT-CH alternate channel in the conversion seat, and the air inlet ALT-CH alternate channel goes out
Mouthful and the entrance of outlet ALT-CH alternate channel be laid in the first side of the conversion seat, and respectively with the entrance of the inlet channel and
The outlet of outlet passageway is corresponding；The outlet of the entrance and outlet ALT-CH alternate channel of the air inlet ALT-CH alternate channel is according to different from described
Second sequence of the first sequence is laid in the second side of the conversion seat, and the first side and second side are opposite facing；
The adapter is installed on the side of the bottom case, outlet and the inlet channel of the air inlet ALT-CH alternate channel
Entrance communicates, and the entrance of the outlet ALT-CH alternate channel is communicated with the outlet of outlet passageway.
2. electropneumatic valve positioner according to claim 1 gas circuit conversion equipment, which is characterized in that the outlet passageway
Including the first outlet passageway, first outlet passageway and inlet channel are horizontally extending, and first outlet is logical
Road is parallel with the inlet channel；
The outlet ALT-CH alternate channel includes the first outlet ALT-CH alternate channel, the entrance of the first outlet ALT-CH alternate channel and described first
The outlet of outlet passageway communicates.
3. electropneumatic valve positioner according to claim 2 gas circuit conversion equipment, which is characterized in that the outlet passageway
Further include the second outlet passageway, second outlet passageway is horizontally extending and parallel with first outlet passageway, institute
Inlet channel is stated between first outlet passageway and second outlet passageway, and the entrance of the inlet channel is located at
Between the outlet of first outlet passageway and the outlet of second outlet passageway；
The outlet ALT-CH alternate channel includes the second outlet ALT-CH alternate channel, the entrance of the second outlet ALT-CH alternate channel and described second
The outlet of outlet passageway communicates.
4. electropneumatic valve positioner according to claim 3 gas circuit conversion equipment, which is characterized in that the inlet channel
It is located in the same horizontal plane with first outlet passageway, second outlet passageway is located at different from first outlet passageway
In horizontal plane.
5. electropneumatic valve positioner according to claim 3 gas circuit conversion equipment, which is characterized in that described into gas shift
Channel includes：
First air flue, first air flue extend from the first side to the second side and not through second side, institutes
It states the first air flue and is located at one end of the first side and be formed as the outlet of the air inlet ALT-CH alternate channel；
Second air flue, second air flue extend from the third side of the conversion seat to the 4th side and with first air flue
It communicates and not through the 4th side, one end that second air flue is located at the third side is blocked by the first type of tamper evidence
Sealing；The third side and the 4th side are opposite facing, and between the first side and second side；
Third air flue, the third air flue extend from the second side to the first side and are communicated with second air flue
And not through the first side, one end that the third air flue is located at the second side is formed as the air inlet ALT-CH alternate channel
Entrance.
6. electropneumatic valve positioner according to claim 3 gas circuit conversion equipment, which is characterized in that first outlet
ALT-CH alternate channel includes：
4th air flue, the 4th air flue extend from the first side to the second side and not through second side, institutes
It states the 4th air flue and is located at one end of the first side and be formed as the entrance of the first outlet ALT-CH alternate channel；
5th air flue, the 5th air flue extend from the 4th side to third side and are communicated with the 4th air flue and not
Through the third side, one end that the 5th air flue is located at the 4th side passes through the second type of tamper evidence plug for seal；
6th air flue, the 6th air flue extend from the second side to the first side and are communicated with the 5th air flue
And not through the first side, one end that the 6th air flue is located at the second side is formed as described first and goes out gas shift
The outlet in channel.
7. electropneumatic valve positioner according to claim 3 gas circuit conversion equipment, which is characterized in that second outlet
ALT-CH alternate channel includes：
7th air flue, the 7th air flue extend from the first side to the second side and not through second side, institutes
It states the 7th air flue and is located at one end of the first side and be formed as the entrance of the second outlet ALT-CH alternate channel；
8th air flue, the 8th air flue extend to the 4th side from the third side and are communicated with the 7th air flue and not
Through the 4th side, one end that the 8th air flue is located at the third side passes through the first regulating part plug for seal, institute
The 7th air flue can be moved along the extending direction of the 8th air flue and stretch by stating the first regulating part, to adjust the 7th gas
The opening size in road；
9th air flue, the 9th air flue extend from the second side to the first side and are communicated with the 8th air flue
And not through the first side, one end that the 9th air flue is located at the second side is formed as described second and goes out gas shift
The outlet in channel.
8. electropneumatic valve positioner according to claim 3 gas circuit conversion equipment, which is characterized in that first outlet
ALT-CH alternate channel further includes：
Tenth air flue, the tenth air flue extend from the 4th side to third side and are communicated with the 4th air flue and not
Through the third side, one end that the tenth air flue is located at the 4th side passes through the second regulating part plug for seal, institute
The 4th air flue can be moved along the extending direction of the tenth air flue and stretch by stating the second regulating part, to adjust the 4th gas
The opening size in road.
9. electropneumatic valve positioner according to claim 7 gas circuit conversion equipment, which is characterized in that described first is adjusted
Part includes the first head and the first bar portion for being connected with first head, closes on the third side on the 8th air flue
One end is equipped with the first internal thread, and the peripheral surface on first head is equipped with the first external screw thread with first screw-internal thread fit,
First shank portion stretches into the 7th air flue.
10. electropneumatic valve positioner according to claim 8 gas circuit conversion equipment, which is characterized in that described second adjusts
Section part includes the second head and the second bar portion for being connected with second head, closes on the 4th side on the tenth air flue
One end be equipped with the second internal thread, the peripheral surface on second head is equipped with the second outer spiral shell with second screw-internal thread fit
Line, second shank portion stretch into the 4th air flue.
11. a kind of electropneumatic valve positioner, which is characterized in that have the electrical valve as described in any one of claims 1 to 10
Door holder gas circuit conversion equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810772426.7A CN108612898B (en) | 2018-07-13 | 2018-07-13 | Gas circuit conversion device for electric valve positioner and electric valve positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810772426.7A CN108612898B (en) | 2018-07-13 | 2018-07-13 | Gas circuit conversion device for electric valve positioner and electric valve positioner |
Publications (2)
| Publication Number | Publication Date |
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| CN108612898A true CN108612898A (en) | 2018-10-02 |
| CN108612898B CN108612898B (en) | 2024-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810772426.7A Active CN108612898B (en) | 2018-07-13 | 2018-07-13 | Gas circuit conversion device for electric valve positioner and electric valve positioner |
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| Country | Link |
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| CN110594473A (en) * | 2019-10-08 | 2019-12-20 | 深圳市摩控自动化设备有限公司 | Flow control device and method for realizing stable operation of valve positioner |
| CN110594474A (en) * | 2019-10-08 | 2019-12-20 | 深圳市摩控自动化设备有限公司 | Valve positioner gas circuit switching device and have its valve positioner |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108612898B (en) | 2024-08-02 |
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