CN214471479U - Multi-channel pressure scanning valve - Google Patents
Multi-channel pressure scanning valve Download PDFInfo
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- CN214471479U CN214471479U CN202120511651.2U CN202120511651U CN214471479U CN 214471479 U CN214471479 U CN 214471479U CN 202120511651 U CN202120511651 U CN 202120511651U CN 214471479 U CN214471479 U CN 214471479U
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Abstract
The utility model discloses a multichannel pressure scanning valve, including casing, lower apron, be equipped with the baffle in the casing, install a plurality of pressure sensor on the baffle, demountable installation has the signal with a plurality of pressure sensor electric connection to take care of the board on the baffle, and a plurality of interfaces are installed at the casing top, install the butt joint pipe on the interface, and the butt joint pipe passes through interface nut locking connection on the interface, uses with the pressure sensor cooperation. Gather pressure signal through a plurality of pressure sensor, and modulate pressure signal into the signal of telecommunication via the signal conditioning board, and then realize multichannel pressure signal collection, the multichannel integration has been realized, each passageway independent measurement, gather pressure and convert signal output into by oneself, compact structure, small, it is fast to gather, the degree of accuracy is high, the production technology is convenient, the quality is guaranteed, through setting up the awl head to the coupling tube bottom, the awl head block is in the awl inslot, the realization is sealed with the conical surface of interface to the coupling tube, improve the precision that detects.
Description
Technical Field
The utility model relates to a pressure scanning valve technical field specifically is a multichannel pressure scanning valve.
Background
The pressure scanning valve is an intelligent sensing device for realizing real-time measurement of multiple paths of pressure signals, and is widely applied to wind tunnel test and propulsion track test. In various aircraft development stages, the multichannel pressure scanning valve can be used for accurately acquiring and verifying aerodynamic distribution and pressure of all parts of an engine during the flight of the aircraft.
When the existing pressure scanning valve scans multi-channel pressure signals, a complex structure needs to be designed to realize multi-channel independent detection, so that the manufacturing cost is increased.
To solve the above problem, we propose a multi-channel pressure scanning valve.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide a multichannel pressure scanning valve, in order to solve above-mentioned technical problem, the utility model provides a following technical scheme:
the utility model provides a multichannel pressure scanning valve, which comprises a housin, the apron is installed down to the casing bottom, be equipped with the baffle in the casing, install a plurality of pressure sensor on the baffle, demountable installation has the signal with a plurality of pressure sensor electric connection to take care of the board on the baffle, a plurality of interfaces are installed at the casing top, install the butt joint pipe on the interface, the butt joint pipe passes through interface nut locking connection on the interface, the butt joint pipe uses with the pressure sensor cooperation.
As a further optimization of the above technical solution, a conical head is arranged at the lower end of the butt joint pipe, and a conical groove which is matched with the shape of the conical head and is used for sliding fit and clamping of the conical head is arranged in the joint.
As a further optimization of the above technical solution, the interface is sealed with the inside of the housing by installing an O-ring.
As a further optimization of the above technical solution, the signal conditioning board is mounted on the partition board through a plurality of pan head studs.
As a further optimization of the above technical solution, a plurality of supporting members for spacing the partition board and the signal conditioning board are provided therebetween.
As a further optimization of the technical scheme, a nameplate is arranged on the outer wall of the shell.
Compared with the prior art, the utility model discloses the beneficial effect who reaches is: gather pressure signal through a plurality of pressure sensor, and modulate pressure signal into the signal of telecommunication via the signal conditioning board, and then realize multichannel pressure signal collection, the multichannel integration has been realized, each passageway independent measurement, gather pressure and convert signal output into by oneself, compact structure, small, it is fast to gather, the degree of accuracy is high, the production technology is convenient, the quality is guaranteed, through setting up the awl head to the coupling tube bottom, the awl head block is in the awl inslot, the realization is sealed with the conical surface of interface to the coupling tube, improve the precision that detects.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a multi-channel pressure scanning valve according to the present invention;
FIG. 2 is a schematic side view of the structure of FIG. 1;
FIG. 3 is a schematic partial cross-sectional view of the structure of FIG. 1;
in the figure: 1-butt joint pipe, 2-joint nut, 3-shell, 4-joint, 5-O-shaped ring, 6-supporting piece, 7-pan head stud, 8-pressure sensor, 9-clapboard, 10-lower cover plate, 11-channel identification plate, 12-label rivet and 13-nameplate.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Examples
As shown in fig. 1-3, a multichannel pressure scanning valve, includes a casing 3, apron 10 under 3 bottoms of casing are installed, be equipped with baffle 9 in the casing 3, install a plurality of pressure sensor 8 on the baffle 9, demountable installation has the signal with a plurality of pressure sensor 8 electric connection to take care of the board on the baffle 9, a plurality of interfaces 4 are installed at 3 tops of casing, install butt joint pipe 1 on the interface 4, butt joint pipe 1 passes through interface nut 2 lock joint on interface 4, butt joint pipe 1 uses with the cooperation of pressure sensor 8.
In this embodiment, 1 lower extreme of butt joint pipe is equipped with the conical head, be equipped with in the interface 4 with conical head appearance adaptation and supply the conical groove of conical head sliding fit block, through setting up the conical head with butt joint bottom of the tubes end, the conical head block is in the conical groove, realizes that the conical surface of butt joint pipe and interface is sealed, improves the precision that detects.
In this embodiment, the interface 4 is sealed with the inside of the housing 3 by installing the O-ring 5, so that the air tightness is improved, and the detection precision is improved.
In this embodiment, the signal conditioning board is installed on the partition board 9 through a plurality of pan head studs 7, and in this way, the signal conditioning board has the characteristic of being convenient to detach, and is convenient to maintain.
In this embodiment, a plurality of supporting members 6 for spacing the partition board 9 and the signal conditioning board are disposed between the partition board 9 and the signal conditioning board, and by using the supporting members 6, the contact area between the signal conditioning board and the partition board 9 is small, and further, the interference to the signal conditioning board is small.
In this embodiment, the housing 3 is provided with a channel sign 11 at the top and a plurality of sign rivets 12 for attaching a nameplate thereon.
And a nameplate 13 is also arranged on the outer wall of the shell 3.
The utility model discloses when using: the butt joint pipe 1 collects gas in the gas circuit, the gas enters the pressure sensor 8 through the butt joint pipe 1, pressure is generated on the pressure sensor 8, the pressure sensor 8 generates pressure signals, the pressure signals are modulated through the signal conditioning plate to form electric signals, and the electric signals are fed back to an external upper computer through a network cable or a data line to be collected.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a multichannel pressure scanning valve, includes a casing (3), apron (10) down are installed to casing (3) bottom, its characterized in that, be equipped with baffle (9) in casing (3), install a plurality of pressure sensor (8) on baffle (9), demountable installation has the signal conditioning board with a plurality of pressure sensor (8) electric connection on baffle (9), a plurality of interfaces (4) are installed at casing (3) top, install on interface (4) and connect pipe (1), connect pipe (1) through interface nut (2) locking connection on interface (4), connect pipe (1) and pressure sensor (8) cooperation use.
2. A multi-channel pressure scanning valve according to claim 1, characterized in that the lower end of the butt joint pipe (1) is provided with a conical head, and the interface (4) is provided with a conical groove which is matched with the shape of the conical head and is used for sliding fit and clamping of the conical head.
3. A multi-channel pressure scanning valve according to claim 1, characterized in that the interface (4) is sealed from the interior of the housing (3) by the mounting of an O-ring (5).
4. A multi-channel pressure scanning valve as claimed in claim 1, wherein said signal conditioning board is mounted on the diaphragm (9) by means of a plurality of pan head studs (7).
5. A multi-channel pressure scanning valve as claimed in claim 4, characterized in that a plurality of supports (6) are provided between the diaphragm (9) and the signal conditioning plate for spacing the two.
6. A multi-channel pressure scanning valve as claimed in claim 1, characterized in that a nameplate (13) is provided on the outer wall of the housing (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120511651.2U CN214471479U (en) | 2021-03-11 | 2021-03-11 | Multi-channel pressure scanning valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120511651.2U CN214471479U (en) | 2021-03-11 | 2021-03-11 | Multi-channel pressure scanning valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214471479U true CN214471479U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120511651.2U Active CN214471479U (en) | 2021-03-11 | 2021-03-11 | Multi-channel pressure scanning valve |
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| Country | Link |
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| CN (1) | CN214471479U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114295280A (en) * | 2022-03-09 | 2022-04-08 | 成都凯天电子股份有限公司 | Pressure signal scanning measurement system |
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2021
- 2021-03-11 CN CN202120511651.2U patent/CN214471479U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114295280A (en) * | 2022-03-09 | 2022-04-08 | 成都凯天电子股份有限公司 | Pressure signal scanning measurement system |
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