CN205909970U - Pressure testing device - Google Patents
Pressure testing device Download PDFInfo
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- CN205909970U CN205909970U CN201620828980.9U CN201620828980U CN205909970U CN 205909970 U CN205909970 U CN 205909970U CN 201620828980 U CN201620828980 U CN 201620828980U CN 205909970 U CN205909970 U CN 205909970U
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Abstract
The utility model relates to an aeroengine combustion chamber pressure test technical field, in particular to pressure testing device to when solve adopting two at least current pressure testing device to measure the pressure parameter of combustion chamber inside air current, installation, the inconvenient problem of operation brought. Pressure testing device sets up the piezometer orifice position department on the combustion box, includes: receive sense portion, the follow piezometer orifice receives the internal integration of sense portion to have total pressure test channel and backpressure test channel in stretching into the combustion chamber, the input part, total -pressure probe and back pressure sensor's measuring junction all do not extends to total pressure test channel and backpressure test channel through input section, mounting flange, the fixed setting in the combustion box outside. The utility model discloses a pressure testing device, adopt a pressure testing device alright with the total pressure and the backpressure of the same position of simultaneous measurement for it is more convenient to install, operate.
Description
Technical field
This utility model is related to aeroengine combustor buring chamber pressure technical field of measurement and test, particularly to a kind of pressure tester.
Background technology
Gas-turbine unit needs steady running under the conditions of harsh environment.Controlling organization needs to understand at any time burning
The pressure parameter of chamber interior air-flow to implement to adjust, make electromotor be operated in satisfactory in the state of.Generally, it is using pressure
Power sense device experiences stagnation pressure and the back pressure of same position air-flow under high-temperature and high-pressure conditions simultaneously.But, survey for current one
Pressure device can only measure to one of which pressure, now needs to arrange at least two pressure testers, is that installation operation is brought
Inconvenience, and reliability and sealing poor.
Content of the invention
The purpose of this utility model there is provided a kind of pressure tester, to solve using at least two existing pressure testers pair
When the pressure parameter of combustion chamber air-flow measures, the installation that brings, unhandy problem.
The technical solution of the utility model is:
A kind of pressure tester, is arranged on the pressure measurement hole location on combustion box, and described pressure tester includes:
Detector probe, stretches into burning interior from described pressure tap, and described detector probe has been internally integrated stagnation pressure TCH test channel and the back of the body
Pressure TCH test channel；
Input unit, is fixedly connected with described detector probe, and outside described combustion box, total-pressure probe and back pressure sense
The measurement end of device all extends respectively to described stagnation pressure TCH test channel and back pressure TCH test channel by described input unit；
Mounting flange, is fixedly connected with described input unit, and is fixedly installed on outside described combustion box.
Preferably, described pressure tester also includes:
Seal plug, be arranged on described mounting flange near described combustion box side, for described
Pressure tap sealing cooperation, and described seal plug is internally provided with the through hole passing through for described detector probe.
Preferably, described input unit includes stagnation pressure input port and back pressure input port, and the measurement end of described total-pressure probe is led to
Cross described stagnation pressure input port and extend to described stagnation pressure TCH test channel, the measurement end of described back pressure sensor is inputted by described back pressure
Mouth extends to described back pressure TCH test channel.
Preferably, described mounting flange is fixed with described combustion box by bolt.
Preferably, described pressure tester is formed in one component.
The utility model has the advantage of:
Pressure tester of the present utility model, just can measure stagnation pressure and the back of the body of same position using a pressure tester simultaneously
Pressure so that install, operation more convenient；In addition, decreasing the spare part quantity of pressure measurement structure, improve reliability, making to send out again
Obstruction in motivation runner reduces, and reduces the pressure loss.
Brief description
Fig. 1 is the front view of this utility model pressure tester；
Fig. 2 is a-a sectional view in Fig. 1；
Fig. 3 is the top view of this utility model pressure tester；
Fig. 4 is the use state schematic diagram of this utility model pressure tester.
Specific embodiment
For making purpose, technical scheme and advantage that this utility model is implemented clearer, below in conjunction with this utility model
Accompanying drawing in embodiment, is further described in more detail to the technical scheme in this utility model embodiment.In the accompanying drawings, ad initio
To the element that same or similar label represents same or similar element or has same or like function eventually.Described reality
Applying example is a part of embodiment of this utility model, rather than whole embodiments.Embodiment below with reference to Description of Drawings
It is exemplary it is intended to be used for explaining this utility model, and it is not intended that to restriction of the present utility model.New based on this practicality
Embodiment in type, the every other enforcement that those of ordinary skill in the art are obtained under the premise of not making creative work
Example, broadly falls into the scope of this utility model protection.Below in conjunction with the accompanying drawings embodiment of the present utility model is described in detail.
In description of the present utility model it is to be understood that term " " center ", " longitudinal ", " horizontal ", "front", "rear",
The orientation of instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " or position relationship are based on accompanying drawing institute
The orientation showing or position relationship, are for only for ease of description this utility model and simplify description, rather than instruction or hint indication
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this practicality
The restriction of novel protected scope.
1- Fig. 4 is described in further details to this utility model pressure tester below in conjunction with the accompanying drawings.
This utility model provides a kind of pressure tester, is arranged at pressure tap 51 position on combustion box 5；Described
Pressure tester includes detector probe 1, input unit 2, mounting flange 3 and seal plug 4.
Detector probe 1 can be known multiple suitable shapes；Detector probe 1 stretches into burning interior from pressure tap 51, is felt
Portion 1 has been internally integrated stagnation pressure TCH test channel 11 and back pressure TCH test channel 12；In addition, stagnation pressure TCH test channel 11 and back pressure TCH test channel
12 outlet is typically opening through detector probe 1, so that sensor can be contacted with burning indoor gas, is convenient for measuring.
Input unit 2 is fixedly connected with detector probe 1, outside combustion box 5, the survey of total-pressure probe and back pressure sensor
Amount end all extends respectively to stagnation pressure TCH test channel 11 and back pressure TCH test channel 12 by input unit 2；Further, in the present embodiment,
Preferably input unit 2 includes stagnation pressure input port 21 and back pressure input port 22, and the measurement end of total-pressure probe passes through stagnation pressure input port 21
Extend to stagnation pressure TCH test channel 11, the measurement end of back pressure sensor extends to back pressure TCH test channel 12 by back pressure input port 22.
Mounting flange 3 is fixedly connected with input unit 2, is arranged on combustor for being bolted whole pressure tester
Outside casing 5.Further, it is additionally provided with seal plug in described mounting flange 3 with the side near described combustion box 5
4, for sealing cooperation with pressure tap 51, and seal plug is internally provided with the through hole passing through for detector probe 1；Sealed by strengthening
Performance, it is possible to decrease the pressure loss, increases reliability.
It should be noted that above-mentioned detector probe 1, input unit 2, mounting flange 3 and seal plug 4 can be with after separately made
Recombinant is configured to pressure tester of the present utility model；But, so that processing is more convenient and stability is higher, the present embodiment
In above-mentioned part be using the mode that is integrally formed, that is, pressure tester is formed in one component, for example can using casting, forging or
The modes such as 3d printing shaping.
The above, specific embodiment only of the present utility model, but protection domain of the present utility model does not limit to
In this, any those familiar with the art in the technical scope that this utility model discloses, the change that can readily occur in
Change or replace, all should cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with described
Scope of the claims is defined.
Claims (5)
1. a kind of pressure tester, is arranged at pressure tap (51) position on combustion box (5) it is characterised in that described survey
Pressure device includes:
Detector probe (1), stretches into burning interior from described pressure tap (51), and it is logical that described detector probe (1) has been internally integrated stagnation pressure test
Road (11) and back pressure TCH test channel (12)；
Input unit (2), is fixedly connected, positioned at described combustion box (5) outward, total-pressure probe and the back of the body with described detector probe (1)
The measurement end of pressure sensor all extends respectively to described stagnation pressure TCH test channel (11) by described input unit (2) and back pressure test is logical
Road (12)；
Mounting flange (3), is fixedly connected with described input unit (2), and is fixedly installed on outside described combustion box (5).
2. pressure tester according to claim 1 is it is characterised in that also include:
Seal plug (4), be arranged on described mounting flange (3) near described combustion box (5) side, for institute
State pressure tap (51) sealing cooperation, and described seal plug is internally provided with the through hole passing through for described detector probe (1).
3. pressure tester according to claim 1 and 2 is it is characterised in that described input unit (2) includes stagnation pressure input port
(21) and back pressure input port (22), the measurement end of described total-pressure probe extended to by described stagnation pressure input port (21) described total
Pressure TCH test channel (11), the measurement end of described back pressure sensor extends to described back pressure test by described back pressure input port (22)
Passage (12).
4. pressure tester according to claim 3 is it is characterised in that described mounting flange (3) passes through bolt and described combustion
Burn room casing (5) fixing.
5. pressure tester according to claim 3 it is characterised in that described pressure tester is formed in one component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620828980.9U CN205909970U (en) | 2016-07-29 | 2016-07-29 | Pressure testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620828980.9U CN205909970U (en) | 2016-07-29 | 2016-07-29 | Pressure testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205909970U true CN205909970U (en) | 2017-01-25 |
Family
ID=57802492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620828980.9U Active CN205909970U (en) | 2016-07-29 | 2016-07-29 | Pressure testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205909970U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443780A (en) * | 2018-10-21 | 2019-03-08 | 西安航天动力测控技术研究所 | A method of engine is detected by echo test method and inflates pressure |
| CN115356113A (en) * | 2022-09-01 | 2022-11-18 | 中国科学院工程热物理研究所 | Device for measuring outlet temperature and pressure of gas compressor in engine |
-
2016
- 2016-07-29 CN CN201620828980.9U patent/CN205909970U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443780A (en) * | 2018-10-21 | 2019-03-08 | 西安航天动力测控技术研究所 | A method of engine is detected by echo test method and inflates pressure |
| CN109443780B (en) * | 2018-10-21 | 2020-12-04 | 西安航天动力测控技术研究所 | Method for detecting engine inflation pressure through echo test method |
| CN115356113A (en) * | 2022-09-01 | 2022-11-18 | 中国科学院工程热物理研究所 | Device for measuring outlet temperature and pressure of gas compressor in engine |
| CN115356113B (en) * | 2022-09-01 | 2024-04-19 | 中国科学院工程热物理研究所 | Device for measuring outlet temperature and pressure of air compressor in engine |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |