CN102507192A - Test device for flow unevenness of fuel oil main pipe - Google Patents
Test device for flow unevenness of fuel oil main pipe Download PDFInfo
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- CN102507192A CN102507192A CN2011103378742A CN201110337874A CN102507192A CN 102507192 A CN102507192 A CN 102507192A CN 2011103378742 A CN2011103378742 A CN 2011103378742A CN 201110337874 A CN201110337874 A CN 201110337874A CN 102507192 A CN102507192 A CN 102507192A
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Abstract
The invention provides a test device for the flow unevenness of a fuel oil main pipe. The test device comprises a plurality of oil tanks (1); the oil tanks (1) are distributed and arranged on an oil tank mounting tray (2) in a circumferential manner; a flow direction switch (3) is correspondingly arranged above each oil tank (1); the flow direction switches (3) receive fuel oil sprayed from the fuel oil main pipe; the flow direction switches (3) are operably aligned with or staggered from the corresponding oil tanks (1); a weight sensor (4) is correspondingly arranged below each oil tank (1); and the weight sensors (4) are arranged on the oil tank mounting tray (2) and support the corresponding oil tanks (1). According to the test device for the flow unevenness of the fuel oil main pipe, the flow direction switches are adopted to switch over the fuel oil flowing into the oil tanks, the time for oil reception of each oil tank can be consistent, and thus, the accuracy in test is greatly improved.
Description
Technical field
The present invention relates to the combustor test field, especially, relate to a kind of test unit of mass flow discrepancy evenness of fuel manifold.
Background technology
At present, in the test of fuel manifold, particularly in the test of aeromotor fuel manifold, make an experiment to the fuel manifold flow distribution.The ordinary test principle is: house steward works under some charge oil pressures, in the identical time, collects the amount of fuel of each fuel nozzle ejection of house steward, analyzes the fuel manifold flux distribution characteristics with this, and calculates fuel manifold flow distribution unevenness according to formula.
When the amount of fuel of each fuel nozzle is measured, mostly adopt volumetric method at present, promptly under certain fuel feeding pressure reduction, flow through the time fuel oil volume of fuel nozzle of measuring unit.To the method that the fuel oil volume is confirmed, mainly be through importing graduated cylinder to fuel oil, by camera typing graduated cylinder fluid column value, the input computer is handled the unevenness that draws the fuel manifold flow through computer then.But choosing of fluid column value is to convert electric signal into through light, in this process, because the influence of light can cause value different, thereby influences precision.In addition; The size of the graduated cylinder of each fuel manifold test unit is constant; And the size of fuel manifold flow is different, such as the experimental provision that is fit to big flow house steward, and will be quite consuming time when the low discharge house steward is made an experiment; Because only collect enough fuel oils, take the numerical value relatively just can be accurate; If will satisfy low discharge house steward's experimental precision, then can't measure again, so versatility is very poor to big flow house steward's experiment.Simultaneously, each experiment finishes, and take out the fuel oil in the graduated cylinder, just can test, so the experiment multiplicity is low next time.
Summary of the invention
The object of the invention is to provide a kind of test unit of mass flow discrepancy evenness of fuel manifold of convenient measurement, and prior fuel oil house steward flow rate test degree of accuracy is not high to solve, test unit is to the inconsistent technical matters of flow house steward inequality.
For realizing above-mentioned purpose; The invention provides a kind of test unit of mass flow discrepancy evenness of fuel manifold, fuel manifold is arranged on the test unit top, and test unit comprises: fuel tank mounting disc and a plurality of fuel tank; A plurality of fuel tanks along the circumferential arrangement of fuel tank mounting disc in the fuel tank mounting disc; Above each fuel tank, be provided with a flow switch accordingly, flow switch receives the fuel oil from the fuel manifold ejection, and flow switch operationally aligns with corresponding fuel tank or staggers; Below each fuel tank, be provided with a weight sensor accordingly, weight sensor is arranged in the fuel tank mounting disc and the corresponding fuel tank of supporting.
Further; Test unit also comprises converter bracing frame and rotating mechanism; On the converter bracing frame, the converter bracing frame is connected with rotating mechanism a plurality of flow switch along the circumferential arrangement of converter bracing frame, and the converter bracing frame is driven by rotating mechanism and rotates.
Further, test unit also comprises electromagnet, and electromagnet is installed on the converter bracing frame, and electromagnet is operationally controlled the rotating mechanism unlatching or stopped the rotation.
Further; Be provided with an oil intercepter between each fuel tank and the flow switch corresponding with this fuel tank; The oil inlet end of oil intercepter is provided with the oil outlet end of corresponding flow switch accordingly, and the oil outlet end of oil intercepter is provided with the oil inlet end of corresponding fuel tank accordingly.
Further, the converter bracing frame comprises upper strata back up pad and lower layer support plate, and flow switch is arranged on the back up pad of upper strata, and oil intercepter is arranged on the lower layer support plate.
Further, each fuel tank all offers an oil-out, and each oil-out is connected with a solenoid valve, and the endpiece of solenoid valve is provided with one and connects oil funnel.
Further, the bottom surface of fuel tank is a ramped bottom surface, and the ramped bottom surface bottom flushes with the oil-out of this fuel tank.
Further, test unit also comprises return line, return line with connect oil funnel and be connected.
Further, test unit also comprises a suction opeing, and suction opeing is arranged on the sidewall of return line.
Further, this test unit is by computer controlled automatic.
The present invention has following beneficial effect: the present invention adopts flow switch to switch the fuel oil that flows into fuel tank, makes that the oily time of connecing of each fuel tank is consistent, has improved the degree of accuracy of measuring so greatly; On the other hand, this test unit adopts weight sensor to measure the fuel weight that each fuel tank is collected, and compares with camera and takes liquid-column height, has improved measuring accuracy greatly.
Except top described purpose, feature and advantage, the present invention also has other purpose, feature and advantage.To do further detailed explanation to the present invention with reference to figure below.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the experimental provision of the preferred embodiment of the present invention;
Fig. 2 is the Oiltank structure synoptic diagram of the experimental provision of the preferred embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
Referring to Fig. 1; A kind of test unit of mass flow discrepancy evenness of fuel manifold; Fuel manifold is arranged on the test unit top; Test unit comprises: a plurality of fuel tank 1, fuel tank mounting disc 2, a plurality of flow switch 3, a plurality of weight sensor 4, a plurality of oil intercepter 8 and return line 11, wherein the quantity of fuel tank 1, flow switch 3, weight sensor 4 and oil intercepter 8 equates, and is provided with correspondingly.
In fuel tank mounting disc 2, this fuel tank mounting disc 2 is an annular mounting disc to a plurality of fuel tanks 1 along the circumferential arrangement of fuel tank mounting disc 2, and promptly the card of circular mounting disc middle part be the hollow part of circle.Preferably, a plurality of fuel tanks 1 are circle-shaped ground and are arranged in evenly and at intervals in the fuel tank mounting disc 2.Above each fuel tank 1, be provided with a flow switch 3 and an oil intercepter 8 accordingly, oil intercepter 8 is arranged between fuel tank 1 and the flow switch 3.A plurality of flow switch 3 all are circle-shaped with a plurality of oil intercepters 8 and are arranged in accordingly on the converter bracing frame 5; Converter bracing frame 5 is divided into two-layer; Promptly constitute by two hollow disks; Comprise upper strata back up pad and lower layer support plate, the upper strata back up pad is used for fixing flow switch 3, and the lower layer support plate is used for fixing oil intercepter 8; The oil inlet end of oil intercepter 8 is provided with the oil outlet end of corresponding flow switch 3 accordingly, and the oil outlet end of oil intercepter 8 is provided with the oil inlet end of corresponding fuel tank 1 accordingly.Flow switch 3 operationally aligns with corresponding fuel tank 1 together with oil intercepter 8 or staggers, and the fuel oil that flow switch 3 receives from the fuel manifold ejection is injected into behind oil intercepter 8 in the fuel tank 1.Converter bracing frame 5 is connected with a rotating mechanism 6; Converter bracing frame 5 is driven by rotating mechanism 6 and rotates; Promptly under the driving of this rotating mechanism 6; Converter bracing frame 5 pivots, thereby drives the flow switch 3 and oil intercepter 8 also rotation thereupon simultaneously that is fixed on the converter bracing frame 5, so that a plurality of flow switch 3 and a plurality of oil intercepter 8 are with aliging simultaneously between the fuel tank 1 one to one with them or staggering.Preferably, this rotating mechanism 6 is direct current torque motor or alternating current torque motor or manual rotating mechanism.Rotating mechanism is by an electromagnet 7 controls, and electromagnet 7 is operationally controlled rotating mechanism 6 unlatchings or stopped the rotation.Electromagnet 7 is installed on the converter bracing frame 5.Preferably, electromagnet 7 is operationally controlled by a time controller, and time controller can be preset different time as required, thus the time that control fuel tank 1 is collected fuel oil.Preferably, this time controller is the time relay or stopwatch or computer software.When experimentizing, 6 work of time controller conducting control electromagnet 7 driven in rotation mechanisms are to drive angle of converter bracing frame 5 rotations; At this moment, be installed on flow switch 3 on the converter bracing frame 5 and rotate to its corresponding fuel tank 1 with oil intercepter 8 and align, so that fuel tank 1 is accepted the fuel oil of the oil intercepter 8 corresponding with it.When reaching preset time; 6 work of time controller control electromagnet 7 driven in rotation mechanisms; To drive angle of converter bracing frame 5 rotations; At this moment, be installed on the staggered positions that flow switch 3 and oil intercepter 8 on the converter bracing frame 5 rotates to fuel tank 1 corresponding with it, make fuel tank 1 not accept the fuel oil of the oil intercepter corresponding 8 with it.As other embodiment; After accomplishing test; Converter bracing frame 5 does not receive driving mechanism 6 to drive the continuation rotation; But converter bracing frame 5 resets at the elastic-restoring force of coupled torsion spring, thereby realizes and corresponding fuel tank 1 angle that staggers, and makes fuel tank 1 not accept the fuel oil of the oil intercepter corresponding with it 8.As additional embodiments, test unit of the present invention can not be provided with oil intercepter 8, promptly the oil outlet end of flow switch 3 directly with the corresponding setting of oil inlet end of fuel tank 1, fuel oil by flow switch 3 receptions after, operationally be injected in the fuel tank 1.Be that flow switch 3 directly operationally aligns with corresponding fuel tank 1 or staggers.
Below each fuel tank 1, be provided with a weight sensor 4 accordingly, weight sensor 4 is arranged in the fuel tank mounting disc 2, and the corresponding fuel tank 1 of weight sensor 4 supportings.Weight sensor 4 can weigh the weight of injecting the fuel oil in the fuel tank 1, and is transferred to computer processing system.Each fuel tank 1 all offers an oil-out 101, and each oil-out 101 is connected with a solenoid valve 9, and the endpiece of solenoid valve 9 is provided with one and connects oil funnel 10.Connecing oil funnel 10 collects from fuel tank 1 interior fuel oil of discharging.
Test unit of the present invention also comprises return line 11 and suction opeing 12, and return line 11 connects oil funnel 10 through multiple-tubing string and each and is connected, and reclaims the fuel oil of discharging in a plurality of fuel tanks 1.Suction opeing 12 is arranged on the sidewall of return line 11, and through the inner exhausting of 12 pairs of test units of suction opeing, the mist of oil that will exist in when single test finishes, will installing is taken away, reduces the influence and the reduction of test next time dangerous.
In conjunction with referring to Fig. 2, the bottom surface of fuel tank 1 is a ramped bottom surface 102, and ramped bottom surface 102 bottoms flush with the oil-out 101 of this fuel tank 1, guarantees that the fuel oil in the fuel tank 1 can all be discharged from, thereby prevents to leave Residual oil in the fuel tank 1.
Preferably, test unit of the present invention is automatically controlled by computing machine, and measuring accuracy is higher like this, and the running time is shorter, operates more simple and convenient.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. the test unit of the mass flow discrepancy evenness of a fuel manifold; Said fuel manifold is arranged on the top of said test unit; Said test unit comprises: fuel tank mounting disc (2) and a plurality of fuel tank (1); The circumferential arrangement of said a plurality of fuel tank (1) said fuel tank mounting disc in edge (2) is characterized in that in said fuel tank mounting disc (2)
Be provided with a flow switch (3) accordingly in the top of each said fuel tank (1); Said flow switch (3) receives the fuel oil from said fuel manifold ejection, and said flow switch (3) operationally aligns with corresponding said fuel tank (1) or staggers;
Be provided with a weight sensor (4) accordingly in the below of each said fuel tank (1), said weight sensor (4) is arranged on the said fuel tank (1) that said fuel tank mounting disc (2) is gone up and supporting is corresponding.
2. test unit according to claim 1 is characterized in that,
Said test unit also comprises converter bracing frame (5) and rotating mechanism (6); The circumferential arrangement of a plurality of said flow switch (3) said converter bracing frames in edge (5) is on said converter bracing frame (5); Said converter bracing frame (5) is connected with said rotating mechanism (6), and said converter bracing frame (5) is driven by said rotating mechanism (6) and rotates.
3. test unit according to claim 2 is characterized in that,
Said test unit also comprises electromagnet (7), and said electromagnet (7) is installed on the said converter bracing frame (5), and said electromagnet (7) is operationally controlled said rotating mechanism (6) unlatching or stopped the rotation.
4. test unit according to claim 3 is characterized in that,
Be provided with an oil intercepter (8) between each said fuel tank (1) and the said flow switch (3) corresponding with this said fuel tank (1); The oil inlet end of said oil intercepter (8) is provided with the oil outlet end of corresponding said flow switch (3) accordingly, and the oil outlet end of said oil intercepter (8) is provided with the oil inlet end of corresponding said fuel tank (1) accordingly.
5. test unit according to claim 4 is characterized in that,
Said converter bracing frame (5) comprises upper strata back up pad and lower layer support plate, and said flow switch (3) is arranged on the back up pad of said upper strata, and said oil intercepter (8) is arranged on the said lower layer support plate.
6. test unit according to claim 5 is characterized in that,
Each said fuel tank (1) all offers an oil-out (101), and each said oil-out (101) is connected with a solenoid valve (9), and the endpiece of said solenoid valve (9) is provided with one and connects oil funnel (10).
7. test unit according to claim 6 is characterized in that,
The bottom surface of said fuel tank (1) is ramped bottom surface (102), and said ramped bottom surface (102) bottom flushes with the said oil-out (101) of this said fuel tank (1).
8. test unit according to claim 7 is characterized in that,
Said test unit also comprises return line (11), and said return line (11) is connected with the said oil funnel (10) that connects.
9. test unit according to claim 8 is characterized in that,
Said test unit also comprises a suction opeing (12), and said suction opeing (12) is arranged on the sidewall of said return line (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110337874.2A CN102507192B (en) | 2011-10-31 | 2011-10-31 | Test device for flow unevenness of fuel oil main pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110337874.2A CN102507192B (en) | 2011-10-31 | 2011-10-31 | Test device for flow unevenness of fuel oil main pipe |
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| CN102507192A true CN102507192A (en) | 2012-06-20 |
| CN102507192B CN102507192B (en) | 2015-05-27 |
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| CN201110337874.2A Active CN102507192B (en) | 2011-10-31 | 2011-10-31 | Test device for flow unevenness of fuel oil main pipe |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104165771A (en) * | 2014-07-24 | 2014-11-26 | 贵州黎阳航空动力有限公司 | Engine fuel main-pipe spraying direction testing device and testing method thereof |
| CN104568406A (en) * | 2014-12-26 | 2015-04-29 | 中国航天科技集团公司第六研究院第十一研究所 | Device for measuring non-uniform coefficient of spray |
| CN105059555A (en) * | 2015-08-14 | 2015-11-18 | 中国航空工业集团公司西安飞机设计研究所 | Oil tank assembly oil leading devices and airplane with same |
| CN105388016A (en) * | 2015-10-28 | 2016-03-09 | 中国南方航空工业(集团)有限公司 | Commutation device for slide oil flow tester and slide oil flow tester |
| CN113063596A (en) * | 2019-12-31 | 2021-07-02 | 中国航发商用航空发动机有限责任公司 | Testing device for flow unevenness of fuel main pipe |
| CN113358335A (en) * | 2020-11-20 | 2021-09-07 | 中国空气动力研究与发展中心 | Flow detection device for integrated partition oil supply nozzle |
| CN113654806A (en) * | 2021-07-28 | 2021-11-16 | 浙江华擎航空发动机科技有限公司 | Method for detecting oil way distribution of turbine engine |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104165771A (en) * | 2014-07-24 | 2014-11-26 | 贵州黎阳航空动力有限公司 | Engine fuel main-pipe spraying direction testing device and testing method thereof |
| CN104165771B (en) * | 2014-07-24 | 2017-03-15 | 贵州黎阳航空动力有限公司 | A kind of engine fuel house steward injection direction test device and its method of testing |
| CN104568406A (en) * | 2014-12-26 | 2015-04-29 | 中国航天科技集团公司第六研究院第十一研究所 | Device for measuring non-uniform coefficient of spray |
| CN104568406B (en) * | 2014-12-26 | 2017-06-06 | 中国航天科技集团公司第六研究院第十一研究所 | Spraying nonuniformity coefficient measurement apparatus |
| CN105059555A (en) * | 2015-08-14 | 2015-11-18 | 中国航空工业集团公司西安飞机设计研究所 | Oil tank assembly oil leading devices and airplane with same |
| CN105388016A (en) * | 2015-10-28 | 2016-03-09 | 中国南方航空工业(集团)有限公司 | Commutation device for slide oil flow tester and slide oil flow tester |
| CN105388016B (en) * | 2015-10-28 | 2018-01-12 | 中国南方航空工业(集团)有限公司 | Reversing arrangement and oil flow exerciser for oil flow exerciser |
| CN113063596A (en) * | 2019-12-31 | 2021-07-02 | 中国航发商用航空发动机有限责任公司 | Testing device for flow unevenness of fuel main pipe |
| CN113358335A (en) * | 2020-11-20 | 2021-09-07 | 中国空气动力研究与发展中心 | Flow detection device for integrated partition oil supply nozzle |
| CN113654806A (en) * | 2021-07-28 | 2021-11-16 | 浙江华擎航空发动机科技有限公司 | Method for detecting oil way distribution of turbine engine |
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| CN102507192B (en) | 2015-05-27 |
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