CN202304805U - Atomization taper angle measuring device - Google Patents
Atomization taper angle measuring device Download PDFInfo
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- CN202304805U CN202304805U CN 201120403630 CN201120403630U CN202304805U CN 202304805 U CN202304805 U CN 202304805U CN 201120403630 CN201120403630 CN 201120403630 CN 201120403630 U CN201120403630 U CN 201120403630U CN 202304805 U CN202304805 U CN 202304805U
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- light
- shot
- jet chamber
- cone angle
- nozzle
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Abstract
The utility model provides an atomization taper angle measuring device, which comprises an atomization chamber (1), a camera (2) and a spotlight (3), wherein a nozzle (5) is arranged in the atomization chamber (1); the camera (2) is used for picking up the atomization taper angle of the nozzle (5); and the spotlight (3) is installed on the side wall of the atomization chamber (1). The atomization taper angle measuring device provided by the utility model has the advantages of reasonably arranging the position of the spotlight and adjusting the brightness of the spotlight to guarantee a clearer conical atomization boundary so as to greatly improve the measurement accuracy.
Description
Technical field
The utility model relates to engine chamber experiment field, especially, relates to a kind of nozzle spray cone angle measuring device.
Background technology
In aeromotor fuel nozzle performance test, need measure the nozzle spray cone angle.So-called spray cone angle is promptly being analysed and observe in the triangle angle between two buses along the height of conical shaped spray.
At present, the measurement of spray cone angle is adopted the method for mechanical scale formula.Promptly when fuel oil stream with certain cone angle when nozzle sprays, be provided with the rotation backup plate that can indicate angle in that the mist awl is other.When the backup plate rotation was collided with the conical surface of conical shaped spray, the indicated angle of backup plate was the spray cone angle angle.There is following defective in this mechanical scale formula method: the artificial naked eyes of needs are judged low precision; Measurement result can not be converted into electric signal output, and automaticity is low; Trystate and result can't preserve, and are not easy to consulting of later stage.
The utility model content
The utility model purpose is to provide a kind of spray cone angle measurement mechanism, to solve the existing technical matters of measuring with artificial naked eyes are judged, measuring accuracy is not high, information can't be preserved.
For realizing above-mentioned purpose, the utility model provides a kind of spray cone angle measurement mechanism, comprises jet chamber, camera and shot-light, and nozzle is set in the jet chamber; Camera is taken pictures to the spray cone angle of nozzle; Shot-light is installed on jet chamber's sidewall, and the position of shot-light and brightness is free adjustment as required.
Further, the sidewall of jet chamber is provided with view window, and camera is taken pictures to the spray cone angle of nozzle through view window.
Further, on jet chamber's sidewall with view window over against the position be provided with a darkroom.
Further, be provided with filter screen in the jet chamber, filter screen comprises upper screen and lower screen; The upper screen center offers hole; The center of lower screen is provided with conical projection.
Further, shot-light comprises first shot-light and second shot-light; First shot-light and second shot-light are installed on jet chamber's sidewall.
Further, the angle that intersects after the irradiates light light beam of the irradiates light light beam of first shot-light and second shot-light extends is 60 °～120 °.
Further, the sidewall of jet chamber is provided with camera installation room, the first shot-light installation room and the second shot-light installation room; Camera installation room, the first shot-light installation room and the second shot-light installation room the sidewall equal intervals of jet chamber be arranged on the same surface level.
Further, the spray cone angle measurement mechanism also comprises a nozzle holder, and nozzle holder is arranged on the top of jet chamber, and nozzle liftably is installed on the nozzle holder.
Further, nozzle holder comprises rotating mechanism and gear disk, is arranged on the top of jet chamber after gear disk and the rotating mechanism engagement; The center of gear disk offers the nozzle mounting hole; Nozzle liftably is installed on the gear disk through the nozzle mounting hole.
Further, the bottom of jet chamber is provided with scavenge pipe; The sidewall of the lower end of jet chamber is provided with exhaust column.
The utlity model has following beneficial effect:
1, the utility model adopts shot-light to illuminate spraying, and position and the brightness of regulating shot-light through the reasonable Arrangement shot-light can make the border of conical shaped spray more clear, improve the degree of accuracy of measuring widely.
2, adopt the border of camera record conical shaped spray, and Computer Storage and deal with data through connecting, make the automaticity of measuring improve greatly, and improved the degree of accuracy of measuring.
3, the nozzle holder of fixed nozzle is provided with gear disk in this measurement mechanism, can drive nozzle and sway, and can select the different measuring face of nozzle like this, thus the many groups of record cone angle data.
4, be provided with the bed filtration net in this measurement mechanism, thus better controlled the formation of mist of oil; And can reduce the influence of exhausting to the mist awl.
Except top described purpose, feature and advantage, the utility model also has other purpose, feature and advantage.To do further detailed explanation to the utility model with reference to figure below.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide the further understanding to the utility model, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 is the spray cone angle measurement mechanism structural representation of the utility model preferred embodiment; And
Fig. 2 is the structural representation of the spray cone angle measurement mechanism filter screen of the utility model preferred embodiment;
Fig. 3 is the spray cone angle measurement mechanism shot-light of the utility model preferred embodiment and the scheme of installation of camera.
Embodiment
Embodiment to the utility model is elaborated below in conjunction with accompanying drawing, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
Referring to Fig. 1, the spray cone angle measurement mechanism in the utility model comprises: jet chamber 1, camera 2, shot-light 3 and nozzle holder 4.Be provided with the installation site of nozzle 5 in the jet chamber 1, during measurement, nozzle 5 is installed in the jet chamber 1.Wherein, the sidewall of jet chamber 1 is provided with view window 11, and preferably, jet chamber 1 is the cylindrical shape jet chamber; View window 11 is used the transparent material shutoff, and preferably, this transparent material can be clear glass or transparent resin etc.As another embodiment, jet chamber 1 can use transparent material to make, and at this moment, the sidewall of transparent jet chamber 1 is exactly a view window 11 over against the position of camera 2.On jet chamber's 1 sidewall with view window 11 over against the position be provided with a darkroom 9.Darkroom 9 makes that the border of spraying is more clear, and the border of being taken a picture is more clear obviously.The bottom of jet chamber 1 is provided with scavenge pipe 7.The lower end sidewall of jet chamber 1 is provided with exhaust column 8.Preferably, camera 2 is installed in 1 outside, jet chamber and view window 11 positions aligning, and camera 2 is taken the cone angle image of conical shaped spray through view window 11, is transferred to computer processing system again.As other embodiment; Camera 2 also can be directly installed on the sidewall of jet chamber 1; One camera installation room 21 promptly is set on the sidewall of jet chamber 1, and camera 2 is installed in the camera installation room 21, and the front end of camera installation room 21 is provided with view window 11.
In conjunction with referring to Fig. 2, be provided with filter screen 6 in the jet chamber 1, preferably, filter screen 6 is arranged on the medium position of jet chamber 1, and the setting of filter screen 6 can well be controlled the formation of mist of oil, and reduces the influence of exhausting to the mist awl.Filter screen 6 comprises upper screen 61 and lower screen 62.Upper screen 61 centers offer hole 611, and preferably, the diameter of hole 611 like this can be so that upper screen 61 be passed through in spraying smoothly greater than the maximum gauge of spray cone angle in this plane.The center of lower screen 62 is set to taper shape, and preferably, this taper shape and hole 611 are provided with accordingly, and preferably, lower screen 62 can be set to one deck, two layers or multilayer as required.
In conjunction with referring to Fig. 3, shot-light 3 is installed in the relative position of sidewall and view window 11 of jet chamber 1.Preferably, the position of shot-light 3 and brightness free adjustment as required.Shot-light 3 comprises first shot-light 31 and second shot-light 32.The brightness of first shot-light 31 and second shot-light 32 all can be regulated as required.The sidewall of jet chamber 1 is provided with the first shot-light installation room 311 and the second shot-light installation room 321.Preferably, 1 sidewall equal intervals is provided with in the jet chamber for the first shot-light installation room 311 and the second shot-light installation room 321 and camera installation room 21, and is arranged on the identical horizontal level.First shot-light 31 is installed in the first shot-light installation room 311, and second shot-light 32 is installed in the second shot-light installation room 321.Preferably, first shot-light 31 and second shot-light 32 are in the view window 11 horizontal symmetria bilateralis settings in place.Preferably, the angle that intersects after the irradiates light light beam of the irradiates light light beam of first shot-light 31 and second shot-light 32 extends is 120 °.
As other embodiment, this angle can be the unspecified angle between 60 °～120 °.First shot-light 31 and second shot-light 32 also can be installed in outside the jet chamber 1, and 1 relevant position is provided with transparency window and makes light can get into jet chamber 1 to get final product in the jet chamber.The quantity of shot-light 3 can be selected as required, and a shot-light 3 can only be installed, sidewall and the view window 11 that this moment, shot-light 3 was installed in jet chamber 1 over against the position.If three shot-lights 3 are installed, then one of them shot-light 3 sidewall and view window 11 of being installed in jet chamber 1 over against the position, two other shot-light 3 is distributed in first both sides symmetrically.
When carrying out the spray cone angle test, rotate rotating mechanism 41, thereby driven wheel disk 42 drives nozzle 5 rotations, so that the mist awl of different angles is taken by the time of setting.At this moment, open nozzle 5 and form spraying.Open shot-light 3, and regulate the intensity of illumination of shot-light 3, make the mist awl reach degree clearly.Open camera 2 and exhaust column 8.When the mist of oil that nozzle 5 comes out passed through the plane that belongs to camera 2, camera 2 began to take.The image that photographs is transferred to computer processing system and handles, and draws the spray cone angle size and preserve data.Exhaust column 8 forces mist of oil to fall to the bottom of jet chamber 1, and mist of oil is collected through scavenge pipe 7.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (10)
1. a spray cone angle measurement mechanism is characterized in that, comprising:
Jet chamber (1) is provided with nozzle (5) in said jet chamber (1);
Camera (2), said camera (2) is taken pictures to the spray cone angle of said nozzle (5);
Shot-light (3), said shot-light (3) are installed on said jet chamber (1) sidewall.
2. spray cone angle measurement mechanism according to claim 1 is characterized in that,
The sidewall of said jet chamber (1) is provided with view window (11), and said camera (2) is taken pictures to the spray cone angle of said nozzle (5) through said view window (11).
3. spray cone angle measurement mechanism according to claim 2 is characterized in that,
On said jet chamber (1) sidewall with said view window (11) over against the position be provided with a darkroom (9).
4. spray cone angle measurement mechanism according to claim 1 is characterized in that,
Be provided with filter screen (6) in the said jet chamber (1), said filter screen (6) comprises upper screen (61) and lower screen (62); Said upper screen (61) center offers hole (611); The center of said lower screen (62) is provided with conical projection.
5. spray cone angle measurement mechanism according to claim 1 is characterized in that,
Said shot-light (3) comprises first shot-light (31) and second shot-light (32); Said first shot-light (31) and said second shot-light (32) are installed on said jet chamber (1) sidewall.
6. spray cone angle measurement mechanism according to claim 5 is characterized in that,
It is 60 °～120 ° that the irradiates light light beam of the irradiates light light beam of said first shot-light (31) and said second shot-light (32) extends the angle that intersects the back.
7. spray cone angle measurement mechanism according to claim 5 is characterized in that,
The sidewall of said jet chamber (1) is provided with camera installation room (21), the first shot-light installation room (311) and the second shot-light installation room (321);
Said camera installation room (21), the said first shot-light installation room (311) and the said second shot-light installation room (321) the sidewall equal intervals of said jet chamber (1) be arranged on the same surface level.
8. spray cone angle measurement mechanism according to claim 1 is characterized in that,
Said spray cone angle measurement mechanism also comprises a nozzle holder (4), and said nozzle holder (4) is arranged on the top of said jet chamber (1), and said nozzle (5) liftably is installed on the said nozzle holder (4).
9. spray cone angle measurement mechanism according to claim 8 is characterized in that,
Said nozzle holder (4) comprises rotating mechanism (41) and gear disk (42), is arranged on the top of said jet chamber (1) after said gear disk (42) meshes with said rotating mechanism (41);
The center of said gear disk (42) offers nozzle mounting hole (421);
Said nozzle (5) liftably is installed on the said gear disk through said nozzle mounting hole (421).
10. according to each described spray cone angle measurement mechanism in the claim 1 to 9, it is characterized in that,
The bottom of said jet chamber (1) is provided with scavenge pipe (7); The sidewall of the lower end of said jet chamber (1) is provided with exhaust column (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120403630 CN202304805U (en) | 2011-10-21 | 2011-10-21 | Atomization taper angle measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120403630 CN202304805U (en) | 2011-10-21 | 2011-10-21 | Atomization taper angle measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202304805U true CN202304805U (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120403630 Expired - Lifetime CN202304805U (en) | 2011-10-21 | 2011-10-21 | Atomization taper angle measuring device |
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| CN (1) | CN202304805U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102506765A (en) * | 2011-10-21 | 2012-06-20 | 中国航空动力机械研究所 | Device for measuring spray cone angle |
| CN104142607A (en) * | 2014-07-28 | 2014-11-12 | 天津大学 | Light condensing device used for high-speed camera in microscopic shooting process of nozzle spraying form |
| CN109724559A (en) * | 2017-10-31 | 2019-05-07 | 中国商用飞机有限责任公司 | A kind of devices and methods therefor of real-time measurement and recording nozzles angle |
| WO2024021052A1 (en) * | 2022-07-25 | 2024-02-01 | 北京航空航天大学 | Fuel atomization performance testing apparatus |
-
2011
- 2011-10-21 CN CN 201120403630 patent/CN202304805U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102506765A (en) * | 2011-10-21 | 2012-06-20 | 中国航空动力机械研究所 | Device for measuring spray cone angle |
| CN102506765B (en) * | 2011-10-21 | 2014-03-26 | 中国航空动力机械研究所 | Device for measuring spray cone angle |
| CN104142607A (en) * | 2014-07-28 | 2014-11-12 | 天津大学 | Light condensing device used for high-speed camera in microscopic shooting process of nozzle spraying form |
| CN104142607B (en) * | 2014-07-28 | 2016-08-17 | 天津大学 | Beam condensing unit for high-speed camera microscopic photography nozzle spray form |
| CN109724559A (en) * | 2017-10-31 | 2019-05-07 | 中国商用飞机有限责任公司 | A kind of devices and methods therefor of real-time measurement and recording nozzles angle |
| WO2024021052A1 (en) * | 2022-07-25 | 2024-02-01 | 北京航空航天大学 | Fuel atomization performance testing apparatus |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |