CN206832205U - Applied to the pneumatic-to-current converter in air-gauge - Google Patents
Applied to the pneumatic-to-current converter in air-gauge Download PDFInfo
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- CN206832205U CN206832205U CN201720508189.4U CN201720508189U CN206832205U CN 206832205 U CN206832205 U CN 206832205U CN 201720508189 U CN201720508189 U CN 201720508189U CN 206832205 U CN206832205 U CN 206832205U
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Abstract
The utility model discloses a kind of pneumatic-to-current converter applied in air-gauge, including housing and pneumat-electrical conversion circuit plate；Main gas circuit pipe, branch gas circuit pipe and the first regulation gas circuit pipe being connected with the main gas circuit pipe, the second regulation gas circuit pipe, compressed air efferent duct are provided with the housing；Zero-bit knob is provided with the first regulation gas circuit pipe, multiplying power knob is provided with the second regulation gas circuit pipe, pressure difference sensor air-flow input port is provided with the branch gas circuit pipe, pressure difference sensor airflow delivery outlet is provided with the main gas circuit pipe, the pressure difference sensor air-flow input port, pressure difference sensor airflow delivery outlet are connected with the pressure difference sensor on the pneumat-electrical conversion circuit plate respectively.Housing of the present utility model can be processed into a variety of patterns, and strong applicability is easy for installation, while the pneumat-electrical conversion circuit plate and housing that pressure difference sensor connection is separated from each other, the convenient volume for reducing housing, beneficial to the Integration Design for realizing pneumoelectric converter.
Description
Technical field
It the utility model is related to converter technology field, more particularly to a kind of electro-pneumatic applied in air-gauge
Device.
Background technology
Air-gauge is dimensional measuring instrument.Compared with measurer, air-gauge have higher sensitivity, precision height with
And the small three big advantage of grade of measuring force.Pneumatic-to-current converter is the significant components in air-gauge, for measure Pneumatic measuring head
Size changing amount is converted into the voltage signal of consecutive variations.However, existing pneumatic-to-current converter is complicated, volume is unfavorable for greatly
Integrated installation, it is difficult to adapt to integrated air-gauge demand.
The content of the invention
To overcome disadvantages mentioned above, the purpose of this utility model is to provide a kind of electro-pneumatic applied in air-gauge
Device, this converter have simple in construction a, small volume, and integrated level is high and the characteristics of being easy to maintenance.
In order to reach object above, the first technical scheme that the utility model uses is：One kind is applied to air-gauge
Interior pneumatic-to-current converter, including housing and pneumat-electrical conversion circuit plate；Be provided with the housing main gas circuit pipe, branch gas circuit pipe and with
The first regulation gas circuit pipe that the main gas circuit pipe is connected, the second regulation gas circuit pipe, compressed air efferent duct；First regulation
The both ends of gas circuit pipe extend respectively to the outside of the housing, and form zero-bit knob interface and exhaust emissions on the housing
Mouthful, zero-bit knob is provided with the zero-bit knob interface, the zero-bit knob can adjust gas circuit under tightening state by first
The seam of Guan Yuzhu gas circuit pipes is blocked；The both ends of the second regulation gas circuit pipe extend respectively to the outside of the housing, and
Multiplying power knob interface and compressed air input port are formed on the housing, and multiplying power rotation is provided with the multiplying power knob interface
Button, the multiplying power knob can block the seam of the second regulation gas circuit Guan Yuzhu gas circuit pipes under tightening state；The compression
Air outlet conduits one end extends to the outside of housing and forms compressed air delivery outlet on the housing；The branch gas circuit pipe one
Hold and be connected with the second regulation gas circuit pipe close to compressed air input port side, differential biography is provided with the branch gas circuit pipe
Sensor air-flow input port；It is defeated that pressure difference sensor air-flow is provided with main gas circuit pipe where below the second regulation gas circuit pipe
Outlet, the pressure difference sensor air-flow input port, pressure difference sensor airflow delivery outlet respectively with the pneumat-electrical conversion circuit
Pressure difference sensor on plate is connected.Using such scheme, housing of the present utility model can be processed into more according to different needs
Kind pattern, strong applicability, and it is easy for installation, while the pneumat-electrical conversion circuit plate and shell that pressure difference sensor connection is separated from each other
Body, the convenient volume for reducing housing, beneficial to the Integration Design for realizing pneumoelectric converter.
Preferably, the zero-bit knob and multiplying power knob are respectively positioned on the same side of the housing, corresponding thereto side
The compressed air input port, compressed air delivery outlet and exhaust port are provided with the housing；The main gas circuit pipe, branch
Gas circuit pipe vertical distribution is in the housing, the first regulation gas circuit pipe, the second regulation gas circuit pipe, compressed air efferent duct water
It is flat to be distributed in the housing.By the vertical design by the gas circuit in housing laterally and longitudinally, beneficial to the cloth of gas circuit in housing
Office.
It is that the pneumat-electrical conversion circuit plate includes pressure difference sensor, signal as further improvement of the utility model
Amplifying circuit, electric source filter circuit, electro-pneumatic connector；The electro-pneumatic connector is electric with the power filter respectively
Road, signal amplification circuit are connected；The pressure difference sensor is connected with the signal amplification circuit, electric source filter circuit respectively；
The electro-pneumatic connector is connected by transmission line with the mainboard of outside.
It is to be provided with to match with electro-pneumatic connector on the mainboard as further improvement of the utility model
Motherboard connector, the motherboard connector are bi-directionally connected with analog and digital signal change-over circuit, the analog and digital signal conversion
Circuit is bi-directionally connected with single-chip microcomputer；Be additionally provided with power module on the mainboard, the power module respectively with single-chip microcomputer, simulation
Digital signaling conversion circuit is connected.
Preferably, be provided with two interfaces blocked with plug on the bottom surface of the housing, the interface respectively with main gas
Lu Guan, branch gas circuit pipe are connected.Increase by two interfaces blocked on housing, when pneumatic-to-current converter needs what's new or gas circuit
It can directly be used during passage, improve the scope of application of the pneumatic-to-current converter.
Preferably, pneumat-electrical conversion circuit plate is arranged on the upper surface of housing, and on pneumat-electrical conversion circuit plate, housing
It is equipped with the connecting hole being mutually matched, is provided with the connecting hole for pneumat-electrical conversion circuit plate to be fixedly connected with the casing
Bolt.Position between pneumat-electrical conversion circuit plate and housing is further qualified, contributes to the installation of pneumatic-to-current converter, put
Put.
Brief description of the drawings
Fig. 1 is the structural representation of gas circuit of the present utility model regulation；
Fig. 2 is pneumat-electrical conversion circuit sheet frame figure of the present utility model；
Fig. 3 is mainboard block diagram of the present utility model.
In figure：
11- housings；12- zero-bit knobs；13- multiplying power knobs；14- pressure difference sensor airflow delivery outlets；The differential biographies of 15-
Sensor air-flow input port；16- compressed airs input port；17- compressed air delivery outlets；18- exhaust ports；21- signals amplify
Circuit；22- pressure difference sensors；23- electric source filter circuits；24- electro-pneumatic connectors；31- single-chip microcomputers；32- simulation numerals
Signaling conversion circuit；33- motherboard connectors；34- power modules.
Embodiment
Preferred embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, it is apparent clear and definite so as to be made to the scope of protection of the utility model
Define.
Referring to shown in accompanying drawing 1, Fig. 2, a kind of pneumatic-to-current converter applied in air-gauge in the present embodiment, including shell
Body 11 and pneumat-electrical conversion circuit plate；Main gas circuit pipe, branch gas circuit pipe are provided with the housing 11 and is connected with the main gas circuit pipe
Logical first adjusts gas circuit pipe, the second regulation gas circuit pipe, compressed air efferent duct；The both ends difference of the first regulation gas circuit pipe
The outside of the housing 11 is extended to, and zero-bit knob interface and exhaust port 18 are formed on the housing 11, described zero
Zero-bit knob 12 is provided with the knob interface of position, the zero-bit knob 12 can be by the first regulation gas circuit Guan Yuzhu under tightening state
The seam of gas circuit pipe is blocked.From figure 1 it appears that the zero-bit knob 12, which has one, stretches to the first regulation gas circuit pipe
Interior push rod, two sealing rings are arranged with the push rod, the inwall of the first regulation gas circuit pipe, which is provided with, to cave inward
Limiting section, it is latter when previous sealing ring after limiting section contact squeeze with that can prevent gas from being discharged from exhaust port 18
Individual sealing ring enters zero-bit knob interface for placing gas.
The both ends of the second regulation gas circuit pipe extend respectively to the outside of the housing 11, and the shape on the housing 11
Into multiplying power knob interface and compressed air input port 16, multiplying power knob 13, the multiplying power are provided with the multiplying power knob interface
Knob 13 can block the seam of the second regulation gas circuit Guan Yuzhu gas circuit pipes under tightening state.The multiplying power knob 13 has
A piece push rod stretched in the second regulation gas circuit pipe, a sealing ring, the second regulation gas are arranged with the push rod
The inwall of road pipe is provided with the limiting section to cave inward, after sealing ring and limiting section contact squeeze gas can be prevented from compression
Air-in 16 is discharged.
Described compressed air efferent duct one end extends to the outside of housing 11, and forms compressed air on the housing 11
Output, 17；Described branch gas circuit pipe one end is connected with the second regulation gas circuit pipe close to compressed air input port side, the branch
Pressure difference sensor air-flow input port 15 is provided with gas circuit pipe；On main gas circuit pipe where below the second regulation gas circuit pipe
It is provided with pressure difference sensor airflow delivery outlet 14, the pressure difference sensor air-flow input port 15, pressure difference sensor air-flow
Delivery outlet 14 is connected with the pressure difference sensor 22 on the pneumat-electrical conversion circuit plate respectively.
As shown in Fig. 2 the pneumat-electrical conversion circuit plate includes pressure difference sensor 22, signal amplification circuit 21, power supply filter
Wave circuit 23, electro-pneumatic connector 24；The electro-pneumatic connector 24 is put with the electric source filter circuit 23, signal respectively
Big circuit 21 is connected；The pressure difference sensor point 22 is not connected with the signal amplification circuit 21, electric source filter circuit 23；Institute
Electro-pneumatic connector 24 is stated by transmission line with the mainboard of outside to be connected.
As shown in figure 3, the motherboard connector 33 to match with electro-pneumatic connector, the master are provided with the mainboard
Connector for substrate 33 is bi-directionally connected with analog and digital signal change-over circuit 32, the analog and digital signal change-over circuit 32 and single-chip microcomputer
31 are bi-directionally connected；Be additionally provided with power module 34 on the mainboard, the power module 34 respectively with single-chip microcomputer 31, simulation numeral
Signaling conversion circuit 32 is connected.Power module 34, can also be by transmission line to pneumat-electrical conversion circuit in addition to main board power supply
Plate is powered.In the present embodiment, single-chip microcomputer 31 can use 32 single-chip microcomputers.
When pneumatic-to-current converter is arranged on air-gauge, it is necessary to by 13 equal position of the zero-bit knob 12 and multiplying power knob
In the same side of the housing 11, be provided with corresponding thereto on the housing 11 of side the compressed air input port 16,
Compressed air delivery outlet 17 and exhaust port 18.Wherein in order to facilitate gas path layout in housing 11, the main gas circuit pipe, branch gas
For road pipe vertical distribution in the housing, the first regulation gas circuit pipe, the second regulation gas circuit pipe, compressed air efferent duct are horizontal
It is distributed in the housing.During installation, pneumat-electrical conversion circuit plate is arranged on the upper surface of housing 11, and positioned at electro-pneumatic electricity
The connecting hole being mutually matched is equipped with road plate, housing, is provided with and is used for pneumat-electrical conversion circuit plate and shell in the connecting hole
The bolt that body is fixedly connected.
In order to further improve the scope of application of pneumatic-to-current converter, two are provided with the bottom surface of the housing and is blocked up with plug
Interface firmly, the interface are connected with main gas circuit pipe, branch gas circuit pipe respectively；The branch gas circuit pipe is provided with collateral branch, and the collateral branch passes through
Logical housing simultaneously forms through hole on housing, and the through hole is equally blocked with plug.Increase the interface blocked on housing, when pneumoelectric turns
Parallel operation needs directly use when what's new or gas channels, improves the scope of application of the pneumatic-to-current converter.
Housing of the present utility model can need to be processed into a variety of patterns according to different, strong applicability, and easy for installation, together
When pressure difference sensor connection the pneumat-electrical conversion circuit plate and housing that are separated from each other, the convenient volume for reducing housing, beneficial to realization
The Integration Design of pneumoelectric converter.
For embodiment of above only to illustrate technical concepts and features of the present utility model, its object is to allow be familiar with this skill
The people of art understands content of the present utility model and is simultaneously carried out, and can not limit the scope of protection of the utility model with this, all
The equivalent change or modification done according to the utility model Spirit Essence, it should all cover in the scope of protection of the utility model.
Claims (6)
- A kind of 1. pneumatic-to-current converter applied in air-gauge, it is characterised in that：Including housing (11) and pneumat-electrical conversion circuit Plate；Main gas circuit pipe, branch gas circuit pipe and the first regulation gas circuit being connected with the main gas circuit pipe are provided with the housing (11) Pipe, the second regulation gas circuit pipe, compressed air efferent duct；The both ends of the first regulation gas circuit pipe extend respectively to the outside of the housing (11), and the shape on the housing (11) Into zero-bit knob interface and exhaust port (18), zero-bit knob (12), the zero-bit are provided with the zero-bit knob interface Knob (12) can block the seam of the first regulation gas circuit Guan Yuzhu gas circuit pipes under tightening state；The second regulation gas circuit The both ends of pipe extend respectively to the outside of the housing (11), and form multiplying power knob interface and compression on the housing (11) Air-in (16), multiplying power knob (13) is provided with the multiplying power knob interface, the multiplying power knob (13) is screwing shape The seam of the second regulation gas circuit Guan Yuzhu gas circuit pipes can be blocked under state；Described compressed air efferent duct one end extends to housing (11) outside simultaneously forms compressed air delivery outlet (17) on the housing (11)；Described branch gas circuit pipe one end and close compression The second regulation gas circuit pipe of air-in (16) side is connected, and pressure difference sensor air-flow is provided with the branch gas circuit pipe Input port (15)；Pressure difference sensor airflow delivery outlet is provided with main gas circuit pipe where below the second regulation gas circuit pipe (14), the pressure difference sensor air-flow input port (15), pressure difference sensor airflow delivery outlet (14) respectively with the pneumoelectric Pressure difference sensor (22) on change-over circuit plate is connected.
- 2. the pneumatic-to-current converter according to claim 1 applied in air-gauge, it is characterised in that：The electro-pneumatic Circuit board includes pressure difference sensor (22), signal amplification circuit (21), electric source filter circuit (23), electro-pneumatic connector (24)；The electro-pneumatic connector (24) is connected with the electric source filter circuit (23), signal amplification circuit (21) respectively；Institute Pressure difference sensor (22) is stated respectively with the signal amplification circuit (21), electric source filter circuit (23) to be connected；The pneumoelectric turns Connector (24) is changed by transmission line with the mainboard of outside to be connected.
- 3. the pneumatic-to-current converter according to claim 2 applied in air-gauge, it is characterised in that：On the mainboard It is provided with the motherboard connector (33) to match with electro-pneumatic connector (24), the motherboard connector (33) and simulation numeral Signaling conversion circuit (32) is bi-directionally connected, and the analog and digital signal change-over circuit (32) is bi-directionally connected with single-chip microcomputer (31)；Institute State and power module (34) is additionally provided with mainboard, the power module (34) turns with single-chip microcomputer (31), analog and digital signal respectively Circuit (32) is changed to be connected.
- 4. the pneumatic-to-current converter according to claim 1 applied in air-gauge, it is characterised in that：The housing (11) Bottom surface on be provided with two interfaces blocked with plug, the interface is connected with main gas circuit pipe, branch gas circuit pipe respectively.
- 5. the pneumatic-to-current converter according to claim 1 applied in air-gauge, it is characterised in that：Pneumat-electrical conversion circuit Plate is arranged on the upper surface of housing (11), and is equipped with the company being mutually matched on (11) positioned at pneumat-electrical conversion circuit plate, housing Hole is connect, the bolt for pneumat-electrical conversion circuit plate to be fixedly connected with housing (11) is provided with the connecting hole.
- 6. the pneumatic-to-current converter according to claim 1 applied in air-gauge, it is characterised in that：The zero-bit knob (12) and multiplying power knob (13) is respectively positioned on the same side of the housing (11), is set corresponding thereto on the housing (11) of side It is equipped with the compressed air input port (16), compressed air delivery outlet (17) and exhaust port (18)；The main gas circuit pipe, branch Gas circuit pipe vertical distribution is in the housing (11), the first regulation gas circuit pipe, the second regulation gas circuit pipe, compressed air output Pipe is distributed horizontally in the housing (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720508189.4U CN206832205U (en) | 2017-05-09 | 2017-05-09 | Applied to the pneumatic-to-current converter in air-gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720508189.4U CN206832205U (en) | 2017-05-09 | 2017-05-09 | Applied to the pneumatic-to-current converter in air-gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206832205U true CN206832205U (en) | 2018-01-02 |
Family
ID=60770680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720508189.4U Active CN206832205U (en) | 2017-05-09 | 2017-05-09 | Applied to the pneumatic-to-current converter in air-gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206832205U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114152385A (en) * | 2021-12-03 | 2022-03-08 | 西安交通大学 | Gas-electric converter based on Fabry-Perot differential pressure type sensor |
-
2017
- 2017-05-09 CN CN201720508189.4U patent/CN206832205U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114152385A (en) * | 2021-12-03 | 2022-03-08 | 西安交通大学 | Gas-electric converter based on Fabry-Perot differential pressure type sensor |
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