CN202024785U - Tester for aviation diaphragm capsule instrument - Google Patents
Tester for aviation diaphragm capsule instrument Download PDFInfo
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- CN202024785U CN202024785U CN2011201074057U CN201120107405U CN202024785U CN 202024785 U CN202024785 U CN 202024785U CN 2011201074057 U CN2011201074057 U CN 2011201074057U CN 201120107405 U CN201120107405 U CN 201120107405U CN 202024785 U CN202024785 U CN 202024785U
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Abstract
A tester for an aviation diaphragm capsule instrument includes a gas source triplet, a negative pressure generator and connection pipelines, and is characterized in that the gas source triplet is connected with an electrical-control ratio control valve through the pipeline, and outlets of four ways of the electrical-control ratio control valve are connected in the following manners through the pipelines respectively: the first way is connected with the negative pressure generator, the negative pressure generator is connected with a negative pressure surge tank through a negative pressure high-speed stop valve and a negative pressure fast throttle valve, and the negative pressure surge tank is connected with a negative pressure high-precision sensor; the second way is connected with a low pressure surge tank through a low pressure throttle valve and a low pressure high-speed stop valve, and the low pressure surge tank is connected with a low pressure high-precision sensor; the third way is connected with a medium pressure surge tank through a pressure-limiting valve, a throttle valve and a medium pressure three-position five-way valve, and the medium pressure surge tank is connected with a medium pressure high-precision sensor; and the fourth way is connected with a high pressure surge tank through a pressure-boost valve, an electrical-control reducing valve, a high pressure three-position five-way pilot valve and a throttle valve, and the high pressure surge tank is connected with the high pressure high-precision sensor. The tester has the advantages of strong reliability, accurate control, high possibility of obtaining the required high-precision pressure and capability of realizing test automation.
Description
Technical field
When the utility model mainly solves bellows class instrument on detecting aviation aircraft, a kind of aviation bellows instrument exerciser that adopts virtual technology.
Background technology
Repair in the enterprise at aviation aircraft portion, annex at present, height indicator, airspeed indicator, climb meter on the sense aircraft, and other are when with the air being the tensimeter of medium and sensor all are push-and-pull vacuum generator by hand usually, obtain negative pressure, perhaps obtain low-pressure air with small air pump.These two kinds of methods all can not obtain high vacuum and high pressure, bring limitation to test.Manual operations brings unstable and higher labour intensity in addition, and inconvenience realizes robotization.
Summary of the invention
The purpose of this utility model provides a kind of aviation bellows instrument exerciser, utilize a source of the gas, can obtain the pressurized air of the cleaning of different pressures such as required high-precision pressure negative pressure, low pressure, middle pressure, high pressure, can be neatly in conjunction with the virtual instrument technology of outer setting, carry out aviation bellows instrument accurately and be the instrument of medium and the detection of sensor with the air.Pneumatic element standardization level height, good reliability, precise control reduces cost.
The technical scheme that the utility model adopted is as follows: it comprises gas source triplet, negative pressure generator and connecting line, it is characterized in that: gas source triplet connects automatically controlled ratio adjusting valve by pipeline, automatically controlled ratio adjusting valve four way outlets connect as follows by pipeline respectively: the first via connects negative pressure generator, negative pressure generator connects the negative pressure buffer tank by negative pressure high speed stop valve and negative pressure quick throttle valve, and the negative pressure buffer tank connects the negative pressure high-precision sensor; The second the tunnel by low pressure throttling valve, low-voltage high speed stop valve connection low pressure buffer tank, and the low pressure buffer tank connects the low-voltage high-precision sensor; Third Road is pressed buffer tank by pressure limiting valve, throttling valve, middle pressure three position five-way valve in connecting, and middle pressure buffer tank is pressed high-precision sensor in connecting; The four the tunnel by pressure charging valve, electronic control pressure reducing valve, high pressure 3 position-5 way pilot valve, throttling valve connection high voltage stabilizing jar, and the high voltage stabilizing jar connects the high-pressure and high-precision sensor.
Advantage of the present utility model: utilize a source of the gas, can obtain the pressurized air of the cleaning of different pressures such as required high-precision pressure negative pressure, low pressure, middle pressure, high pressure, can be neatly in conjunction with the virtual instrument technology of outer setting, carry out aviation bellows instrument accurately and be the instrument of medium and the detection of sensor with the air.Pneumatic element standardization level height, good reliability, precise control can realize the robotization of test.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Component serial number among the figure: negative pressure generator 1, high speed negative pressure air release 2, negative pressure quick throttle valve 3, negative pressure high speed stop valve 4, low-voltage high-precision sensor 5, low pressure buffer tank 6, negative pressure buffer tank 7, negative pressure high-precision sensor 8, negative pressure is throttling valve 9 at a slow speed, low-voltage high speed stop valve 10, gas source triplet 11, automatically controlled ratio adjusting valve 12, pressure charging valve 13, the middle high-precision sensor 14 of pressing, electronic control pressure reducing valve 15, high pressure 3 position-5 way pilot valve 16, the middle buffer tank 17 of pressing, high voltage stabilizing jar 18, the middle three position five-way valve 19 of pressing, high-pressure and high-precision sensor 20, low speed throttling valve 21, inlet 22.
Embodiment
The utility model utilizes a source of the gas, can obtain the pressurized air of the cleaning of different pressures such as negative pressure, low pressure, middle pressure, high pressure, can be neatly in conjunction with the virtual instrument technology of outer setting, carry out aviation bellows instrument accurately and be the instrument of medium and the detection of sensor with the air.
Concrete structure is as follows: a gas source triplet 11 is set, and gas source triplet 11 1 end inlet portings 22, the other end connects automatically controlled ratio adjusting valve 12 by pipeline, and automatically controlled ratio adjusting valve 12 is provided with four way outlets, and four way outlets connect as follows by pipeline respectively:
The first via connects negative pressure generator 1, and negative pressure generator 1 connects negative pressure buffer tank 7 by negative pressure high speed stop valve 4 and negative pressure quick throttle valve 3, and negative pressure buffer tank 7 connects negative pressure high-precision sensor 8.
Pressurized air (0-0.7MPa) enters gas source triplet 11, the airborne steam of elimination, and greasy dirt, particle floating dust etc. can manually carry out pressure and regulate.Clean air enters automatically controlled ratio adjusting valve 12, and this valve can accurately be regulated pressure by external unit is automatically controlled, can use for four road pressure.
Gas enters negative pressure generator 1, the negative pressure of generation-90KPa-0Pa, air in the negative pressure buffer tank 7 is through negative pressure high speed stop valve 4, (break-make pipeline air negative pressure) and negative pressure quick throttle valve 3(regulate flow velocity), be sucked in the negative pressure generator air intake opening, make whole gas circuit form negative pressure.Negative pressure high-precision sensor 8 and tested bellows instrument are connected on the three-way interface of negative pressure buffer tank 7.By negative pressure high speed stop valve 4, obtain accurate vacuum tightness, the vacuum tightness that negative pressure high-precision sensor 8 obtains can numeral show or virtual vacuum meter demonstration theoretical level on by the Virtual Instrument of external unit, thus the actual height indicator indicated value of comparison.So just very intuitively and exactly detected the error of measured piece.
The second the tunnel by low pressure throttling valve 21, low-voltage high speed stop valve 10 connection low pressure buffer tanks 6, and low pressure buffer tank 6 connects low-voltage high-precision sensors 5;
Gas enters low pressure line, clean air enters the automatically controlled very low-pressure that transfers to of automatically controlled ratio adjusting valve 12(), low pressure throttling valve 21, low-voltage high speed stop valve 10 and low pressure buffer tank 6, low-voltage high-precision sensor 5 and measured workpiece, can obtain the low pressure of (0-50KPa), with 2 venting of high speed negative pressure air release.Be convenient to the flying instruments or the sensor of measurement requirement low pressure.
Third Road is pressed buffer tank 17 by the pressure limiting valve on the conventional pipeline, throttling valve (not shown) with during middle pressure three position five-way valve 19 is connected, press high-precision sensor 14 during middle pressure buffer tank 17 connects;
Gas enters middle pressure pipe road, clean air enters the automatically controlled lower pressure that transfers to of automatically controlled ratio adjusting valve 12(), enter pressure limiting valve, throttling valve, middle pressure three position five-way valve 19 and middle pressure buffer tank 17, middle pressure high-precision sensor 14 and measured workpiece again, can obtain the middle pressure of (0-150KPa).Flying instruments of being convenient to press in the measurement requirement or sensor.
The four the tunnel by pressure charging valve 13, electronic control pressure reducing valve 15, high pressure 3 position-5 way pilot valve 16, throttling valve (parts on the conventional pipeline, not shown) connection high voltage stabilizing jar 18, and high voltage stabilizing jar 18 connects high-pressure and high-precision sensors 14.
Gas enters pressure duct, clean air enters automatically controlled ratio and regulates the automatically controlled high energy of 12(and transfer to 0.8MPa), entering pressure charging valve 13(again can double, can reach 1.5MPa), electronic control pressure reducing valve 15, high pressure 3 position-5 way pilot valve 16, throttling valve, high voltage stabilizing jar 18, high-pressure and high-precision sensor 20 and measured workpiece, can obtain the high pressure of (0-1.5MPa), be convenient to the flying instruments or the sensor of measurement requirement high pressure.
The negative pressure generator 1 that relates in the technical solutions of the utility model, high speed negative pressure air release 2, negative pressure quick throttle valve 3, negative pressure high speed stop valve 4, low-voltage high-precision sensor 5, low pressure buffer tank 6, negative pressure buffer tank 7, negative pressure high-precision sensor 8, negative pressure is throttling valve 9 at a slow speed, low-voltage high speed stop valve 10, gas source triplet 11, automatically controlled ratio adjusting valve 12, pressure charging valve 13, the middle high-precision sensor 14 of pressing, electronic control pressure reducing valve 15, high pressure 3 position-5 way pilot valve 16, the middle buffer tank 17 of pressing, high voltage stabilizing jar 18, the middle three position five-way valve 19 of pressing,, high-pressure and high-precision sensor 20 and low speed throttling valve 21 all adopt prior art products.
Claims (1)
1. aviation bellows instrument exerciser, it comprises gas source triplet, negative pressure generator and connecting line, it is characterized in that: gas source triplet connects automatically controlled ratio adjusting valve by pipeline, automatically controlled ratio adjusting valve four way outlets connect as follows by pipeline respectively: the first via connects negative pressure generator, negative pressure generator connects the negative pressure buffer tank by negative pressure high speed stop valve and negative pressure quick throttle valve, and the negative pressure buffer tank connects the negative pressure high-precision sensor; The second the tunnel by low pressure throttling valve, low-voltage high speed stop valve connection low pressure buffer tank, and the low pressure buffer tank connects the low-voltage high-precision sensor; Third Road is pressed buffer tank by pressure limiting valve, throttling valve, middle pressure three position five-way valve in connecting, and middle pressure buffer tank is pressed high-precision sensor in connecting; The four the tunnel by pressure charging valve, electronic control pressure reducing valve, high pressure 3 position-5 way pilot valve, throttling valve connection high voltage stabilizing jar, and the high voltage stabilizing jar connects the high-pressure and high-precision sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201074057U CN202024785U (en) | 2011-04-13 | 2011-04-13 | Tester for aviation diaphragm capsule instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201074057U CN202024785U (en) | 2011-04-13 | 2011-04-13 | Tester for aviation diaphragm capsule instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202024785U true CN202024785U (en) | 2011-11-02 |
Family
ID=44849729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201074057U Expired - Lifetime CN202024785U (en) | 2011-04-13 | 2011-04-13 | Tester for aviation diaphragm capsule instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202024785U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252708A (en) * | 2011-04-13 | 2011-11-23 | 沈阳圣飞航空科技有限公司 | Aviation capsule instrument tester |
-
2011
- 2011-04-13 CN CN2011201074057U patent/CN202024785U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252708A (en) * | 2011-04-13 | 2011-11-23 | 沈阳圣飞航空科技有限公司 | Aviation capsule instrument tester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111102 Effective date of abandoning: 20130227 |
|
| RGAV | Abandon patent right to avoid regrant |