CN110346146A - A kind of experimental cabin for main chamber low-temperature test - Google Patents
A kind of experimental cabin for main chamber low-temperature test Download PDFInfo
- Publication number
- CN110346146A CN110346146A CN201910703327.8A CN201910703327A CN110346146A CN 110346146 A CN110346146 A CN 110346146A CN 201910703327 A CN201910703327 A CN 201910703327A CN 110346146 A CN110346146 A CN 110346146A
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- experimental cabin
- cold air
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- test
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/14—Testing gas-turbine engines or jet-propulsion engines
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Testing Of Engines (AREA)
Abstract
This application involves a kind of experimental cabins for main chamber low-temperature test, experimental cabin includes test hatchcover, experimental cabin front side board, experimental cabin back side panel and experimental cabin pedestal, it is arched to test hatchcover, experimental cabin front side board and experimental cabin back side panel are fixed with experimental cabin tube chamber welds with base, test hatchcover is connect with experimental cabin front side board and experimental cabin back side panel quick-release type to form the experimental cabin that can accommodate testpieces, wherein, experimental cabin front side board has the cold air snout cavity for being parallel to front side board plane and is connected to the cold air import of cold air snout cavity, experimental cabin back side panel has the cold air outlet chamber for being parallel to back side panel plane and is connected to the cold air outlet of cold air outlet chamber, venthole is equipped on cold air snout cavity and cold air outlet chamber, the heat exchange in experimental cabin is realized by venthole.The application can provide the starting ignition of combustion chamber high-altitude and the dedicated experimental condition of high-altitude aerodrome ground starting ignition performance test, and cryogenic conditions can be adjusted as needed, not limited by environmental factor.
Description
Technical field
The application belongs to aero-engine test technology field, in particular to a kind of examination for main chamber low-temperature test
Hatch checking.
Background technique
For the starting ignition of better simulated engine high-altitude and the starting ignition of high-altitude aerodrome ground, main combustion is verified and enrolled
The ignition performance of room under cryogenic is burnt, needs to carry out cold environmental conditions simulation to main chamber, to determine low temperature to master
The influence of combustion chamber ignition performance.
At present verifying combustion chamber high-altitude starting ignition and high-altitude aerodrome ground starting ignition performance can only HIGHER ALTITUDE TEST FACILITY into
Row, and only can be carried out complete machine test run test, it not can be carried out component test, and HIGHER ALTITUDE TEST FACILITY test run higher cost, period are longer, low temperature
Condition is uncontrollable, and HIGHER ALTITUDE TEST FACILITY is unable to system and effectively studies influence of the low temperature environment to combustion chamber components properity.
Summary of the invention
There is provided a kind of experimental cabins for main chamber low-temperature test for the purpose of the application, to solve or mitigate background
At least one problem in technology.
The technical solution of the application is: a kind of experimental cabin for main chamber low-temperature test, the low-temperature test cabin packet
Test hatchcover, experimental cabin front side board, experimental cabin back side panel and experimental cabin pedestal are included, the test hatchcover is arched, the test
Cabin front side board and experimental cabin back side panel are fixed with experimental cabin tube chamber welds with base, the test hatchcover and experimental cabin front side board and experimental cabin
Back side panel quick-release type is connected to form the experimental cabin that can accommodate testpieces, wherein the experimental cabin front side board, which has, to be parallel to
The cold air import of the cold air snout cavity and the connection cold air snout cavity of front side board plane, the experimental cabin back side panel has parallel
In the cold air outlet chamber of back side panel plane and the cold air outlet of the connection cold air outlet chamber, the cold air snout cavity and described cold
It is equipped with venthole on gas outlet plenum, the heat exchange in experimental cabin is realized by the venthole.
In this application, the experimental cabin pedestal is equipped with height-adjustable support base and movable pulley, adjusts for passing through
The height of the support base can make movable pulley support removable experimental cabin to realize movement.
In this application, the support base is four, is distributed in the quadrangle of the experimental cabin pedestal, passes through the support base
Adjust the horizontality of the experimental cabin pedestal.
In this application, the experimental cabin, which covers, at least has an observation window, for observing experimental cabin inner case.
In this application, the experimental cabin front side board is equipped with pressure and temperature point mounting base and electrical system wiring
Plate, the connection for testpieces electrical system.
In this application, the experimental cabin front side board has telescopic segment, and the experimental cabin back side panel has mounting flange, examination
Part is tested to be arranged in experimental cabin by the telescopic segment and mounting flange, and can the testpieces along the experimental cabin front side board
It is adjusted to experimental cabin back side panel direction forward direction or direction.
Experimental cabin for low-temperature test provided herein is controlled by controlling the cold air into low-temperature test cabin
Low temperature environment in experimental cabin, can provide the starting ignition of combustion chamber high-altitude and starting ignition performance test in high-altitude aerodrome ground is special
Experimental condition, and cryogenic conditions can be adjusted as needed, not limited by environmental factor, save test at
This, shortens the test period, avoids test resource contention, has high practical value in combustor test.
Detailed description of the invention
In order to illustrate more clearly of technical solution provided by the present application, attached drawing will be briefly described below.It is aobvious and easy
Insight, drawings discussed below are only some embodiments of the present application.
Fig. 1 is the experimental cabin main view for main chamber low-temperature test of the application.
Fig. 2 is the experimental cabin A direction view for main chamber low-temperature test based on Fig. 1.
Fig. 3 is the experimental cabin B direction view for main chamber low-temperature test based on Fig. 1.
Fig. 4 is the experimental cabin top view for main chamber low-temperature test based on Fig. 1.
Fig. 5 is based on the quick-release connection structure enlarged drawing in Fig. 1.
Fig. 6 is based on the clamping support enlarged drawing in Fig. 1.
Fig. 7 is the experimental cabin schematic diagram of internal structure of the application.
Fig. 8 is the experimental cabin front side board schematic diagram of the application.
Fig. 9 is the experimental cabin back side panel schematic diagram of the application.
Figure 10 is the test hatchcover schematic diagram of the application.
Figure 11 is the venthole position view of the application.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application implementation clearer, below in conjunction in the embodiment of the present application
Attached drawing, technical solutions in the embodiments of the present application is further described in more detail.
In order to provide the starting ignition of combustion chamber high-altitude and high-altitude aerodrome ground starting ignition performance test Special test condition,
Cryogenic conditions control is realized with system research combustion chamber low temperature environment down-firing performance, present applicant proposes one kind can reduce examination
It tests cost, shorten lead time and experimental cabin easy for installation.
As shown in Figure 1 to 11, this application provides a kind of experimental cabin for main chamber low-temperature test, experimental cabin masters
It to include test hatchcover 1, experimental cabin front side board 2, experimental cabin back side panel 3 and experimental cabin pedestal 4.In the present embodiment, experimental cabin
Lid 1 is arched, and corresponding experimental cabin front side board 2 and experimental cabin back side panel 3 are substantially arched.In other embodiments, experimental cabin
Lid 1, which can be rectangle or trapezoidal etc., experimental cabin front side board 2 and experimental cabin back side panel 3 and test hatchcover 1, has rough shape.
Experimental cabin front side board 2 and experimental cabin back side panel 3 are welded and fixed together with experimental cabin pedestal 4 respectively, test hatchcover 1
It is fixed with experimental cabin pedestal 4 and two side plates, constitutes the experimental cabin that can accommodate testpieces 5.In the present embodiment, hatchcover is tested
1 is dismounted with experimental cabin pedestal 4 and two side plates by quick-release bolt, convenient and efficient.
Cold air snout cavity 21 for heat exchange in experimental cabin is located at experimental cabin front side board 2, and cold air outlet chamber 31 is located at examination
Hatch checking back side panel 3, cold air enter cold air snout cavity 21 by the cold air import 22 on experimental cabin front side board 2, pass through cold air snout cavity
The venthole 33 being uniformly arranged on 21 enters in experimental cabin, exchanges heat to form low temperature environment with the cross-ventilation in experimental cabin, then
Enter cold air outlet chamber 31 by the venthole 33 being uniformly arranged on cold air outlet chamber 31, flows into and arrange finally by cold air outlet 32
Feed channel.In the present embodiment, the arrangement shape of cold air snout cavity 21 and cold air outlet chamber 31 is substantially also referred to as arch, with experimental cabin
The shape of lid 1 is identical.
11 are filled at least provided with an observation window on test hatchcover 1, for directly observing experimental cabin inner case.In this implementation
In example, testing the observation window being arranged on hatchcover 1 and filling 11 is two, and symmetrical.
Experimental cabin pedestal 4 is equipped with support base 41 and movable pulley 42.In the present embodiment, movable pulley 42 (also referred to as castor) and
Support base 41 is four, is distributed in four angles of experimental cabin pedestal 4.When test, experimental cabin is moved to as needed specified
Behind position, 4 support bases 41 are adjusted as needed and arrive specified altitude assignment, guarantee test cabin (mainly serves for ensuring examination at horizontality
Testpieces in hatch checking keeps horizontal), after being detached from movable pulley 41 and ground, experimental cabin is connect with test pipe.It is needing
When moving, adjust 4 support bases 41 to specified altitude assignment, make movable pulley 41 and ground contact, at this time can by experimental cabin into
Row movement.
Testpieces 5 and its group section are by being fixed on the telescopic segment 23 of experimental cabin front side board 2 and being fixed on rear side of experimental cabin
The mounting flange 33 of plate 3 connects, and the position of testpieces 5 can carry out left and right adjusting by telescopic segment 23.Below the position of testpieces 5
Reserved two are provided with the channel steel 51 of mounting hole, can be used for fixing testpieces 5.
Experimental cabin front side board 2 is reserved with pressure and temperature point mounting base 25 and electrical system terminal plate 24, for trying
Test the connection of the electrical system of part 5.
Experimental cabin for low-temperature test provided herein is controlled by controlling the cold air into low-temperature test cabin
Low temperature environment in experimental cabin, can provide the starting ignition of combustion chamber high-altitude and starting ignition performance test in high-altitude aerodrome ground is special
Experimental condition, and cryogenic conditions can be adjusted as needed, not limited by environmental factor, save test at
This, shortens the test period, avoids test resource contention, has high practical value in combustor test.
The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any
Within the technical scope of the present application, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
Cover within the scope of protection of this application.Therefore, the protection scope of the application should be with the scope of protection of the claims
It is quasi-.
Claims (6)
1. a kind of experimental cabin for main chamber low-temperature test, which is characterized in that the removable low-temperature test cabin includes examination
Hatch checking lid (1), experimental cabin front side board (2), experimental cabin back side panel (3) and experimental cabin pedestal (4), test hatchcover (1) arching
Shape, the experimental cabin front side board (2) and experimental cabin back side panel (3) are welded and fixed with experimental cabin pedestal (4), the test hatchcover
(1) it connect with experimental cabin front side board (2) and experimental cabin back side panel (3) quick-release type to form the experimental cabin that can accommodate testpieces,
Wherein, the experimental cabin front side board (2) have the cold air snout cavity (21) for being parallel to front side board plane and the connection cold air into
The cold air import (22) in oral cavity (21), the experimental cabin back side panel (3) have the cold air outlet chamber for being parallel to back side panel plane
(31) and the cold air outlet (32) of the connection cold air outlet chamber (31), the cold air snout cavity (21) and the cold air outlet chamber
(31) it is equipped with venthole (33) on, realizes the heat exchange in experimental cabin by the venthole (33).
2. experimental cabin as described in claim 1, which is characterized in that the experimental cabin pedestal (4) is equipped with height-adjustable branch
Seat (41) and movable pulley (42) are supportted, movable pulley (42) can be made to support for the height by adjusting the support base (41) removable
Dynamic test cabin is to realize movement.
3. experimental cabin as claimed in claim 2, which is characterized in that the support base (41) is four, is distributed in the test
The quadrangle of bilge seat (4) adjusts the horizontality of the experimental cabin pedestal (4) by the support base (41).
4. experimental cabin as described in claim 1, which is characterized in that at least have an observation window on the test hatchcover (1)
(11), for observing experimental cabin inner case.
5. experimental cabin as described in claim 1, which is characterized in that the experimental cabin front side board (2) is equipped with pressure and temperature
Measuring point mounting base (25) and electrical system terminal plate (24), the connection for testpieces electrical system.
6. experimental cabin as described in claim 1, which is characterized in that the experimental cabin front side board (2) has telescopic segment (23), institute
Experimental cabin back side panel (3) are stated with mounting flange (32), testpieces is arranged by the telescopic segment (23) and mounting flange (32)
In experimental cabin, and can the testpieces (5) along the experimental cabin front side board (2) to experimental cabin back side panel (3) direction
Positive or direction is adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910703327.8A CN110346146A (en) | 2019-07-31 | 2019-07-31 | A kind of experimental cabin for main chamber low-temperature test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910703327.8A CN110346146A (en) | 2019-07-31 | 2019-07-31 | A kind of experimental cabin for main chamber low-temperature test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110346146A true CN110346146A (en) | 2019-10-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910703327.8A Pending CN110346146A (en) | 2019-07-31 | 2019-07-31 | A kind of experimental cabin for main chamber low-temperature test |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62293138A (en) * | 1986-06-12 | 1987-12-19 | Toyo Eng Works Ltd | Cooling device for engine low-temperature start test |
| JPS635233A (en) * | 1986-06-25 | 1988-01-11 | Toyo Eng Works Ltd | Cooling apparatus for low temperature starting test of engine |
| CN202149850U (en) * | 2011-07-08 | 2012-02-22 | 中国人民解放军军事交通学院 | Test cabin for simulation of high altitude performance of internal combustion power device |
| CN103821742A (en) * | 2014-03-18 | 2014-05-28 | 中国汽车技术研究中心 | Low-noise head-on fan for indoor vehicle test |
| CN206248438U (en) * | 2016-12-15 | 2017-06-13 | 东莞天诚仪器设备有限公司 | A kind of high/low temperature tensile testing machine for special material |
| CN206945902U (en) * | 2017-06-13 | 2018-01-30 | 杭州高坤电子科技有限公司 | A kind of high temperature reverse bias testing equipment with junction temperature test |
| CN207423846U (en) * | 2017-11-27 | 2018-05-29 | 吴江市海拓仪器设备有限公司 | The one adjustable low temperature impact test box of plants case inside dimension |
| CN208672312U (en) * | 2018-09-03 | 2019-03-29 | 陕西核普机电科技有限公司 | The low-temp low-pressure experimental cabin of simulated altitude |
-
2019
- 2019-07-31 CN CN201910703327.8A patent/CN110346146A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62293138A (en) * | 1986-06-12 | 1987-12-19 | Toyo Eng Works Ltd | Cooling device for engine low-temperature start test |
| JPS635233A (en) * | 1986-06-25 | 1988-01-11 | Toyo Eng Works Ltd | Cooling apparatus for low temperature starting test of engine |
| CN202149850U (en) * | 2011-07-08 | 2012-02-22 | 中国人民解放军军事交通学院 | Test cabin for simulation of high altitude performance of internal combustion power device |
| CN103821742A (en) * | 2014-03-18 | 2014-05-28 | 中国汽车技术研究中心 | Low-noise head-on fan for indoor vehicle test |
| CN206248438U (en) * | 2016-12-15 | 2017-06-13 | 东莞天诚仪器设备有限公司 | A kind of high/low temperature tensile testing machine for special material |
| CN206945902U (en) * | 2017-06-13 | 2018-01-30 | 杭州高坤电子科技有限公司 | A kind of high temperature reverse bias testing equipment with junction temperature test |
| CN207423846U (en) * | 2017-11-27 | 2018-05-29 | 吴江市海拓仪器设备有限公司 | The one adjustable low temperature impact test box of plants case inside dimension |
| CN208672312U (en) * | 2018-09-03 | 2019-03-29 | 陕西核普机电科技有限公司 | The low-temp low-pressure experimental cabin of simulated altitude |
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Application publication date: 20191018 |