CN207050914U - A kind of air pressure calibrating installation of pressure acquisition devices - Google Patents
A kind of air pressure calibrating installation of pressure acquisition devices Download PDFInfo
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- CN207050914U CN207050914U CN201620773327.7U CN201620773327U CN207050914U CN 207050914 U CN207050914 U CN 207050914U CN 201620773327 U CN201620773327 U CN 201620773327U CN 207050914 U CN207050914 U CN 207050914U
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- pipeline
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Abstract
The utility model belongs to air pressure calibrating field, and in particular to a kind of air pressure calibrating installation of pressure acquisition devices, including：One pressure acquisition devices, three stainless steel pipeline a, one stainless steel pipeline b, one stainless steel pipeline c, three stainless steel pipeline d, upper more logical adapters, lower more logical adapters and a pipeline support, eight pressure sensors are included in the pressure acquisition devices, the sensor of wherein four same types is connected to upper more logical adapters by three stainless steel pipeline a and a stainless steel pipeline b, the pressure sensor of other four another types is connected to lower more logical adapters by hundred million stainless steel pipeline c and three stainless steel pipeline d, upper more logical adapters, lower more logical adapters are arranged on pipeline support in upper and lower two row.Solve connection flexible pipe and the plug of quick connector long term frequent of the air pressure calibrating installation of conventional pressure collector, laborious rapid wear, the problem of efficiency is low.
Description
Technical field
The utility model belongs to air pressure calibrating field, and in particular to a kind of air pressure calibrating installation of pressure acquisition devices.
Background technology
Pressure acquisition devices are a kind of barometric pressure data collection analysis equipment installed in the aircraft interior such as guided missile, pressure
Collector generally has one or more air pressure acquisition passage, passes through the gas pressure distribution number of some specified points in sense aircraft surface
According to obtaining aircraft altitude, the information such as speed, auxiliary provided for flight navigation.
Pressure sensor is the core devices of sensitive air pressure change in pressure acquisition devices, and the quality of its precision directly affects pressure
The performance of power collector is good and bad.To ensure pressure acquisition devices normal work, it is necessary to carry out the works such as air pressure calibrating, parameter calibration to it
Make.Pressure acquisition devices are connected by air pressure when examining and determine by pressure measurement tracheae with pressure reference equipment, pressure acquisition devices sensitive pressure base
A series of base pressure force value, compare the differential pressure of pressure acquisition devices measured value and a reference value, pass through mathematical modeling caused by quasi- equipment
The method of compensation makes the output valve of pressure acquisition devices approach a reference value, so as to improve pressure acquisition devices pressure measurement precision, realizes air pressure
Calibrating and parameter calibration.
Some pressure acquisition devices that the utility model is directed to, inside there is two classes (each four amount to eight) range to differ greatly
Pressure sensor, the air pressure of eight diverse locations can be detected.In to pressure acquisition devices debugging process, pressure measurement tracheae
Need frequently to mount and dismount, and each passage air nozzle appearance and size of product is identical, and in being randomly distributed, easily occur two kinds not
Occur with the reversed state of range pressure measurement gas circuit.Once problems occur, pressure sensor can be made to be operated in superpressure state,
Light then cause air pressure acquisition devices test function abnormal, heavy then build-up of pressure transducer sensitive structure is damaged, even permanent failure.
Carry out that each passage air nozzle, polytetrafluoroethylene (PTFE) (polyurethane) flexible pipe, bilateral and threeway switching need to be connected during air pressure test
Head, pressure reference equipment, atmosphere data processing system, positive and negative pressurized air source form test pipeline.Due to connecting air pressure acquisition devices
Gas channels it is more, gas circuit tie point is more, and connection is complicated, to the bad adaptability of environment, easily leaks air a little, air leakage point is difficult to
Positioning.And the quick connector of flexible pipe is running stores, gas leak phenomenon occurs in long-term plug use, causes to test gas circuit air-tightness
Difference, so as to cause airline pressure control fluctuation amplitude to become big, finally increase product measurement error, influence accuracy test.Therefore
Need repeatedly to search and eliminate air leakage point during actual test, can be only achieved air-tightness requirement, the testing time is usually 3-4 small
When, and test is both needed to reconnect pipeline every time, this restrict the development of product and production efficiency.
At present, air pressure acquisition devices match quick connector mode using polytetrafluoroethylene (PTFE) (polyurethane) flexible pipe more in test
To connect gas circuit, gas circuit connects correctness and identifies control execution by connecting portion, mainly performed by operator, mistake be present even
Connect possibility；Connection flexible pipe intersect in length and breadth, be not easy differentiate check gas circuit connection correctness, exist missing inspection, flase drop may.
Connection flexible pipe and the plug of quick connector long term frequent, are repeatedly changed, trimming, when the extruding of connecting portion stress or deformation
When easily cause gas leakage, influence product and normally produce；Air-tightness investigation is difficult, cumbersome, and manpower and materials consumption is big, makes to a certain extent
About production efficiency.
At present, air pressure acquisition devices match quick connector mode to connect using polyethylene (polyurethane) flexible pipe more in test
Gas circuit is connect, air nozzle joint is pagoda shape.Gas circuit connects correctness and identifies control execution by connecting portion, mainly by operator
Perform, incorrect link be present may；Connection flexible pipe is intersected in length and breadth, is not easy to differentiate inspection gas circuit connection correctness, missing inspection be present, misses
Inspection may.
Connection flexible pipe and the plug of quick connector long term frequent, are repeatedly changed, trimming, when the extruding of connecting portion stress or deformation
When easily cause gas leakage, influence product and normally produce；Air-tightness investigation is difficult, cumbersome, and manpower and materials consumption is big, makes to a certain extent
About production efficiency.
Utility model content
Defect is asked for above-mentioned, the utility model provides a kind of air pressure calibrating installation of pressure acquisition devices, and improvement can air pressure
Harvester tests the connection method of gas circuit, avoids the generation of incorrect link, easy to connect, durable, makes the airtight company of gas circuit
Realization is connect once to succeed, it is simple and quick, improve production efficiency.
The utility model adopts the technical scheme that：
A kind of air pressure calibrating installation of pressure acquisition devices, including：One pressure acquisition devices, three stainless steel pipeline a, one
Stainless steel pipeline b, a stainless steel pipeline c, three stainless steel pipeline d, upper to lead to adapters, lower more logical adapters and one manage more
Road support, includes eight pressure sensors in the pressure acquisition devices, wherein the sensor of four same types by three not
A rust steel pipe road a and stainless steel pipeline b is connected to more logical adapters, and the pressure sensor of other four another types passes through
Hundred million stainless steel pipeline c and three stainless steel pipeline d are connected to lower more logical adapters, upper more logical adapters, lower more logical adapters
Arranged on pipeline support in upper and lower two row.
A kind of air pressure calibrating installation of pressure acquisition devices, each air nozzle connection stainless steel pipeline of the pressure sensor, according to
According to each gas circuit air nozzle and upper more logical adapters, the locus feature of lower more logical adapters, stainless steel pipeline is designed to four kinds not
With the stainless steel pipeline of appearance and size.
A kind of air pressure calibrating installation of pressure acquisition devices, the air nozzle nut excircle of four kinds of stainless steel line ends is using rolling
Straight burr.
A kind of air pressure calibrating installation of pressure acquisition devices, the difference of upper more logical adapters, lower more logical adapters are
Four air nozzle relative positions of side are variant.
A kind of air pressure calibrating installation of pressure acquisition devices, pipeline support are that metal plate manufactures structural member.
The beneficial effects of the utility model are：
(1) connection flexible pipe and quick connector long term frequent for solving the air pressure calibrating installation of conventional pressure collector are inserted
Pull out, laborious rapid wear, the problem of efficiency is low；
(2) improve air pressure acquisition devices test gas circuit connection method, make gas circuit be tightly connected realization once succeed, grasp
Make simple and fast, improve production efficiency and avoid incorrect link.
Brief description of the drawings
The air pressure calibrating installation outline drawing of Fig. 1 pressure acquisition devices
Fig. 2 type pressure acquisition devices outline drawings
Fig. 3 stainless steel pipelines a
Fig. 4 stainless steel pipelines b
Fig. 5 stainless steel pipelines c
Fig. 6 stainless steel pipelines d
More logical adapter outline drawings on Fig. 7
More logical adapter outline drawings under Fig. 8
Fig. 9 pipeline support outline drawings
In figure：1st, pressure acquisition devices；2nd, stainless steel pipeline a；3rd, upper more logical adapters；4th, pipeline support；5th, lower more logical turns
Joint；6th, stainless steel pipeline b；7th, stainless steel pipeline c；8 stainless steel pipeline d.
Embodiment
The present embodiment is as follows：
The utility model is mainly by a pressure acquisition devices 1, three stainless steel pipelines a2, a stainless steel tube pipeline b6,
One stainless steel pipeline c7, three stainless steel pipeline d8, upper more logical adapters 3, lower more logical adapters 5 and a pipeline support 4
Composition.Although the air pressure calibrating installation is applied to very for certain utility model of type pressure acquisition devices 1, its design concept
The pressure acquisition devices or barometric information collection analysis equipment of more similar structures.Here, eight stainless steel pipelines respectively connected
Each gas circuit air nozzle of more logical adapters 3, lower more logical adapters 5 and pressure acquisition devices 1, realizes external air source and pressure acquisition
The connection of pressure sensor in device equipment；Eight stainless steel pipeline has good elastoplasticity, is easy to fast with pressure acquisition devices 1
Fast accurate docking, and pipeline annexation is clear, and the company of being not easy is wrong, and pipeline air nozzle makes according to navigation mark, easy to connect reliable.Pipe
Road support 4 provides the pipeline of all stainless steel pipelines, upper more logical adapters 3, lower more logical adapters 5 and external air source effective
Support and fixed, it is ensured that the reliability of connection, integral layout meet base of principle of human engineering.
Eight pressure sensors are included in certain type pressure acquisition devices 1, wherein the sensor of four same types passes through three
A stainless steel pipeline a2 and stainless steel pipeline b6 is connected to more logical adapters 3, the pressure sensing of other four another types
Device is connected to lower more logical adapters 5 by hundred million stainless steel pipeline c7 and three stainless steel pipeline d8, as shown in Figure 1 and Figure 4, on
More logical adapter 3 and lower more logical adapters 5 can be respectively connected to different sources of the gas, realize that air pressure is examined and determine.To make structure space compact,
Much upper logical adapters 3, lower more logical adapters 5 are laid out on pipeline support 4 in upper and lower two row, reasonable arrangement between them away from
From facilitating debugging operations.
Air-path interface is according to navigation mark corresponding to each sensor《HB4-7-2002 flared type reducing free flow couplings》Design, together
When to ensure that all air nozzles of the applicability air pressure calibrating installation are also designed by this standard.As illustrated, pressure sensor
Each air nozzle connection stainless steel pipeline, according to each gas circuit air nozzle and upper more logical adapters 3, the locus spy of lower more logical adapters 5
Point, stainless steel pipeline are designed to stainless steel pipeline a2, and stainless steel pipeline b6, stainless steel pipeline c7, tetra- kinds of stainless steel pipeline d8 is not
Same type.According to each pair air nozzle relative position relation, pipeline appearance and size is designed, while also needs to take into account mounting process, even
Connect reliability, necessary place reserves bending (bending can ensure air nozzle docking and there are enough deformation spaces when exiting).This design
Avoid different pipelines connect by mistake, the possibility of flase drop.
The air nozzle nut excircle of stainless steel line end can single-handedly tighten two to slotting gas using rolling straight burr design
Nozzle, save the time of operation instrument.To meet the requirement of air nozzle screw-down torque, left in the end of straight burr by standard design
Outer-hexagonal shape, facilitates torque spanner to operate.
Upper more logical adapter 3, the gas circuit connection maincenter that lower more logical adapters 5 are external air source and pressure acquisition devices, such as scheme
It is shown.Two adapter differences are that four air nozzle relative positions of side are variant, because carrying out stainless steel pipeline
During design, to reduce manufacture difficulty, it should try one's best and reduce the species of pipeline, i.e., the air nozzle at guarantee pipeline both ends, space are relative as far as possible
Position is approximate, is ensured by controlling the relative position of four air nozzles in design.
Pipeline support 4 is that metal plate manufactures structural member, and moulding process is simple, efficient.Upper more logical adapters 3 and lower more logical switchings
First 5 are fixed by screw and pipeline support 4.Pipeline support 4 to all pipelines, upper more logical adapters 3, lower more logical adapters 5 with
And the pipeline of external air source provides effectively support and fixed, it is ensured that the reliability of connection.
Claims (5)
1. a kind of air pressure calibrating installation of pressure acquisition devices, including：One pressure acquisition devices (1), three stainless steel pipeline a (2),
One stainless steel pipeline b (6), a stainless steel pipeline c (7), three stainless steel pipeline d (8), upper more logical adapters (3) are lower more
Logical adapter (5) and a pipeline support (4), it is characterised in that：Eight pressure sensings are included in the pressure acquisition devices (1)
Device, wherein the sensor of four same types is connected to by three stainless steel pipeline a (2) and a stainless steel pipeline b (6)
More logical adapter (3), the pressure sensor of other four another types pass through hundred million stainless steel pipeline c (7) and three stainless steels
Pipeline d (8) is connected to lower more logical adapters (5), and upper more logical adapters (3), lower more logical adapters (5) are on pipeline support (4)
Arranged in upper and lower two row.
A kind of 2. air pressure calibrating installation of pressure acquisition devices as claimed in claim 1, it is characterised in that：The pressure sensor
Each air nozzle connection stainless steel pipeline, according to each gas circuit air nozzle and upper more logical adapter (3), the spaces of lower more logical adapters (5)
Position characteristics, stainless steel pipeline are designed to the stainless steel pipeline of four kinds of different appearance and sizes.
A kind of 3. air pressure calibrating installation of pressure acquisition devices as claimed in claim 1, it is characterised in that：The stainless steel pipeline
A (2), stainless steel pipeline b (6), stainless steel pipeline c (7), stainless steel pipeline d (8) end air nozzle nut excircle using rolling
Straight burr.
A kind of 4. air pressure calibrating installation of pressure acquisition devices as claimed in claim 1, it is characterised in that：Upper more logical switchings
The difference of head (3), lower more logical adapters (5) is that four air nozzle relative positions of side are variant.
A kind of 5. air pressure calibrating installation of pressure acquisition devices as claimed in claim 1, it is characterised in that：The pipeline support
(4) structural member is manufactured for metal plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620773327.7U CN207050914U (en) | 2016-07-21 | 2016-07-21 | A kind of air pressure calibrating installation of pressure acquisition devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620773327.7U CN207050914U (en) | 2016-07-21 | 2016-07-21 | A kind of air pressure calibrating installation of pressure acquisition devices |
Publications (1)
| Publication Number | Publication Date |
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| CN207050914U true CN207050914U (en) | 2018-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620773327.7U Active CN207050914U (en) | 2016-07-21 | 2016-07-21 | A kind of air pressure calibrating installation of pressure acquisition devices |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108931342A (en) * | 2017-05-25 | 2018-12-04 | 宝山钢铁股份有限公司 | Bogie Multifunctional branching air pressure detection tool |
-
2016
- 2016-07-21 CN CN201620773327.7U patent/CN207050914U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108931342A (en) * | 2017-05-25 | 2018-12-04 | 宝山钢铁股份有限公司 | Bogie Multifunctional branching air pressure detection tool |
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