CN104196832A - Vector adjustable synthesis double-jet-flow device based on flow adjusting sliding block controlled by micro motor - Google Patents
Vector adjustable synthesis double-jet-flow device based on flow adjusting sliding block controlled by micro motor Download PDFInfo
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- CN104196832A CN104196832A CN201410326694.8A CN201410326694A CN104196832A CN 104196832 A CN104196832 A CN 104196832A CN 201410326694 A CN201410326694 A CN 201410326694A CN 104196832 A CN104196832 A CN 104196832A
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Abstract
The invention discloses a vector adjustable synthesis double-jet-flow device based on a flow adjusting sliding block controlled by a micro motor. The device comprises a vector adjustable synthesis double-jet-flow exciter, the micro motor is arranged at one end of the vector adjustable synthesis double-jet-flow exciter, a transmission gear is arranged on an output shaft of the micro motor, a transmission rack is arranged at the end, close to the micro motor, of the flow adjusting sliding block of the vector adjustable synthesis double-jet-flow exciter, and the transmission gear is meshed with the transmission rack. The vector adjustable synthesis double-jet-flow device based on the flow adjusting sliding block controlled by the micro motor is simple and compact in structure, small in occupied space, strong in control capability, high in precision and wide in application range.
Description
Technical field
The present invention relates to vector fluidic device, relate in particular to based on micromachine control and adjust the vector of fluent can be mixed into twin-jet apparatus.
Background technique
Conventional synthesizing jet-flow/synthetic dual-jet generation device controllable factor is single, conventionally can only carry out simple electrical quantity control, jet generating device configuration is once determining, vector size and frequency that electrical quantity control can only control jet cannot change the direction vector of jet.The unadjustable control of jet vector direction is not just shaken the head as fan motionless with air-conditioning pendulum leaf aspect heat radiation, and heat diffusion area and scope are very limited, and heat radiation is uneven, and efficiency is not high, has greatly limited its application.Therefore, make that synthesizing jet-flow/synthetic dual-jet generation device possesses jet vector regulatory function application demand great.
Publication number is that the Chinese patent literature of CN1818399A discloses a kind of synthetic jetting excitor with single-membrane, double openings and double cavities, has and realizes the potentiality that jet vector regulates, and its vector is adjustable, and synthesizing jet-flow excitor forms by synthesizing dual-jet actuator body and adjusting fluent.The adjusting of its jet vector direction does not adopt oscillating mechanism (as fan) and pendulum leaf (as air-conditioning) to regulate, but by adjusting the fluent synthetic dual-jet actuator two discharge area ratios of the control of sliding, change the ratio of momentum of synthetic dual-jet actuator two jets, form pressure gradient, downstream synthesizing jet-flow direction vector is changed.Therefore, adjusting fluent control mechanism is the core that the adjustable synthesizing jet-flow excitor of vector is realized synthesizing jet-flow vector adjustable function.
Synthetic dual-jet actuator itself belongs to midget plant, therefore need to design a kind of microminaturization, adjust fluent control gear easily, to guarantee that its impact that is subject to environment is little, it is flexible to control, reliability is high, and can ensure kinematic accuracy, improve the control accuracy of flow system.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, provide a kind of simple and compact for structure, take up room little, control ability is strong, validity is high, applied widely adjusts the vector of fluent can be mixed into twin-jet apparatus based on micromachine control.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A kind of vector based on fluent of micromachine control tune can be mixed into twin-jet apparatus, comprise that vector can be mixed into dual-jet actuator, described vector can be mixed into dual-jet actuator one end and be furnished with micromachine, the output shaft of described micromachine is equiped with driving gear, one end that described vector can be mixed into the fluent close described micromachine of tune of dual-jet actuator is provided with driving rack, and described driving gear engages with driving rack.
Further improvement as technique scheme:
Also comprise mounting base and electric machine support, described vector can be mixed into dual-jet actuator and be installed on mounting base, described micromachine is installed on mounting base by electric machine support, and the position that the position that described electric machine support is connected with micromachine and electric machine support are connected with mounting base is equipped with waist type attachment hole.
Described electric machine support is L-shaped, and its horizontal segment is connected with described micromachine, and its vertical section is connected with described mounting base.
Described vector can be mixed into dual-jet actuator and comprise a counter plate that surrounds the cavity of upper end open only and the cover plate that is covered on a counter plate upper end, fluent of described tune is slidedly arranged on the upper end open place of a cavity that counter plate surrounds, in described cavity, be provided with an electric oscillation film, cavity is divided into two parts that communicate with upper end open by institute's rheme electric oscillation film.
Described micromachine is connected with the miniature motor drive controller for controlling its amounts of rotation, and institute's rheme electric oscillation film is connected with the excitation driving power for driving its vibration.
Compared with prior art, the invention has the advantages that:
Vector based on fluent of micromachine control tune of the present invention can be mixed into twin-jet apparatus, compared with conventional synthesizing jet-flow/synthetic twin-jet apparatus, this device not only can regulate synthesizing jet-flow vector size and frequency, and can control synthesizing jet-flow direction vector, make synthesizing jet-flow control ability stronger, can adjust as required synthesizing jet-flow azimuth, strengthen it and control effect; Set up and control the driving structure of adjusting fluent based on micromachine, not only integral arrangement simple compact, take up room little, and be easy to formation to synthesizing the control law of jet vector characteristic, can realize accurately regulating voluntarily of jet vector direction, thereby strengthen the application in active Flow Control field of synthesizing jet-flow technology, especially in the application of field of radiating.
Brief description of the drawings
Fig. 1 is perspective view of the present invention (not shown excitation driving power and miniature motor drive controller).
Fig. 2 is the plan view (not shown excitation driving power and miniature motor drive controller) that vector of the present invention can be mixed into dual-jet actuator.
Fig. 3 is the A-A sectional view of Fig. 2.
Fig. 4 is jet vector control characteristic PIV experimental result picture of the present invention.
Fig. 5 is that jet vector of the present invention angle is with adjusting fluent displacement changing curve.
In figure, each label represents:
1, vector can be mixed into dual-jet actuator; 11, adjust fluent; 111, driving rack; 12, panel; 13, cover plate; 14, position electric oscillation film; 2, excitation driving power; 3, micromachine; 31, driving gear; 4, mounting base; 5, electric machine support; 51, waist type attachment hole; 6, miniature motor drive controller; 7, turning point.
Embodiment
Fig. 1 to Fig. 5 shows a kind of vector based on fluent of micromachine control tune of the present invention can be mixed into twin-jet apparatus embodiment, this device comprises that vector can be mixed into dual-jet actuator 1, vector can be mixed into dual-jet actuator 1 one end and be furnished with micromachine 3, the output shaft of micromachine 3 is equiped with driving gear 31, fluent 11 of the tune that vector can be mixed into dual-jet actuator 1 one end near micromachine 3 is provided with driving rack 111, and driving gear 31 engages with driving rack 111.Vector based on fluent of micromachine control tune of the present invention can be mixed into twin-jet apparatus compared with conventional synthesizing jet-flow/synthetic twin-jet apparatus, this device not only can regulate synthesizing jet-flow vector size and frequency, and can control synthesizing jet-flow direction vector, make synthesizing jet-flow control ability stronger, can adjust as required synthesizing jet-flow azimuth, strengthen it and control effect; Set up and control the driving structure of adjusting fluent 11 based on micromachine 3, not only integral arrangement simple compact, take up room little, and be easy to formation to synthesizing the control law of jet vector characteristic, can realize accurately regulating voluntarily of jet vector direction, thereby strengthen the application in active Flow Control field of synthesizing jet-flow technology, especially in the application of field of radiating.
In the present embodiment, also comprise mounting base 4 and electric machine support 5, vector can be mixed into dual-jet actuator 1 and be installed on mounting base 4, micromachine 3 is installed on mounting base 4 by electric machine support 5, electric machine support 5 is L-shaped, its horizontal segment is connected with micromachine 3, its vertical section is connected with mounting base 4, the position that the position that electric machine support 5 is connected with micromachine 3 and electric machine support 5 are connected with mounting base 4 is equipped with waist type attachment hole 51, waist type attachment hole 51 by horizontal segment can be adjusted the engaging tooth position between driving gear 31 and driving rack 111, waist type attachment hole 51 by vertical section can regulate the relative height between driving gear 31 and driving rack 111, can guarantee driving gear 31 and driving rack 111 accuracies of mesh by such adjustment, the control accuracy of fluent 11 is exchanged in guarantee, facilitate accurate adjustment synthesizing jet-flow direction vector.
In the present embodiment, vector can be mixed into dual-jet actuator 1 and comprise a counter plate 12 that surrounds the cavity of upper end open only and the cover plate 13 that is covered on counter plate 12 upper ends, adjust the upper end open place that is slidedly arranged on counter plate 12 cavity that surrounds for fluent 11, in cavity, be provided with an electric oscillation film 14, cavity is divided into two parts that communicate with upper end open by position electric oscillation film 14, the configuration of panel 12 can need to design according to application, can form different cavitys by changing the not panel 12 of isomorphism type, to meet different application demands, in like manner, cover plate 13 and the configuration of adjusting fluent 11 also can be made adjustment according to application demand, this fabricated structure has been used for reference the thought of modular design, be convenient to meet the different needs by quick-replaceable parts.
In the present embodiment, micromachine 3 is connected with the miniature motor drive controller 6 for controlling its amounts of rotation, the excitation driving power 2 that position electric oscillation film 14 is connected with for driving its vibration.
In the present embodiment, the parameter of micromachine 3 is as follows: step angle: 1.8 °; Electric current: 0.6A; Static moment: 1.8Ncm, can provide accurately and rotatablely move.The parameter of driving gear 31 is as follows: modulus: 1mm; The full number of teeth: 16, for coordinating with driving rack 111, rotatablely moving of micromachine 3 is converted to the straight line motion of adjusting fluent 11.Mounting base 4 can regulate micromachine 3 and vector can be mixed into the relative position of dual-jet actuator 1, and the straight-tooth on ensureing driving gear 31 and adjusting fluent 11 accurately engages.The wide of one cavity that counter plate 12 surrounds is 46mm, and height is 51mm, is 6mm deeply; Cover plate 13 forms two jet exits of jet together with adjusting fluent 11, and cover plate 13 is thick is 4mm, and on it, square opening length is 20mm, and wide is 8mm, and two jet exit spacing are 4mm; Position electric oscillation film 14 diameters are 50mm, are formed with metal diaphragm is bonding by position electroceramic sheet, when its double vibrations, understand and alternately form two strands of jets at two jet exits.
The step angle of micromachine 3 further can be segmented by the segmentation number that miniature motor drive controller 6 is set, micromachine 3 pulse equivalencies are reduced, realizing less angular displacement regulates, and the angular displacement of setting miniature motor drive controller 6 and exporting umber of pulse and just can control micromachine 3, and then control the straight-line displacement of fluent 11 of tune.
Working principle of the present invention: drive position electric oscillation film 14 to-and-fro motion by excitation driving power 2, alternately produce two strands of synthesizing jet-flows at scene 2 mouth, and be fused to one new synthesizing jet-flow in downstream, controlling micromachine 3 by miniature motor drive controller 6 rotates, driving gear 31 and driving rack 111 are converted to the angular displacement of micromachine 3 straight line motion of adjusting fluent 11, can regulate like this two jet exit areas, and then the momentum of two strands of jets of change, the low pressure area intensity and the area that produce are changed, show as synthesizing jet-flow direction vector adjustable.
Can be mixed into twin-jet apparatus below in conjunction with PIV experiment to the vector based on fluent of micromachine control tune of the present invention is described in further detail;
In experiment, regulation right side jet exit width is that the position that 1mm, left side jet exit width are adjusted fluent 11 while being 3mm is displacement initial point, the segmentation number of miniature motor drive controller 6 is made as 64, single step umber of pulse is made as 40, be 0.016mm by calculating fluent 11 single step displacements of tune, adjust fluent 11 with each 0.016mm jet exit motion to the left thereby control.Whole experimentation obtains synthetic dual-jet flow field PIV experimental result as shown in Figure 3, and it has clearly shown that synthetic dual-jet deflection vector angle is with the variation of adjusting fluent 11 displacements.
Fig. 5 is that synthetic dual-jet deflection vector angle is with the change curve of adjusting fluent 11 displacements, synthesizing jet-flow turns to a lateral deviation of jet exit area large (large corresponding to exit width), along with adjusting fluent 11 to left movement, synthesizing jet-flow is first to left avertence, and deflection vector angle (with respect to outlet normal direction) presents the variation tendency of first increases and then decreases, move to turning point 7(two for fluent 11 to export configuration identical when adjusting) time, synthesizing jet-flow will not deflect, and deflection vector angle is zero; After this, synthesizing jet-flow is deflection to the right again, and deflection vector angle first increases and then decreases.Synthesizing jet-flow deflection vector angle is antisymmetry about turning point 7 generally, and centre exists approximately linear to change section.Above-mentioned experimental result explanation, the present invention relies on micromachine 3 to control the position of adjusting fluent 11, can complete the bidirectional modulation at synthesizing jet-flow deflection vector angle, the linear changing relation that synthesizing jet-flow deflection vector angle shows with micromachine 3 change in displacement makes it have good control characteristic, can regulate voluntarily deflection vector angle to control effect to strengthen according to different controlled flow fields, realize synthesizing jet-flow active Flow Control.
Although the present invention discloses as above with preferred embodiment, but not in order to limit the present invention.Any those of ordinary skill in the art, in the situation that not departing from technical solution of the present invention scope, can utilize the technology contents of above-mentioned announcement to make many possible variations and modification to technical solution of the present invention, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not depart from technical solution of the present invention,, all should drop in the scope of technical solution of the present invention protection any simple modification made for any of the above embodiments, equivalent variations and modification according to the technology of the present invention essence.
Claims (5)
1. adjust the vector of fluent can be mixed into twin-jet apparatus based on micromachine control for one kind, comprise that vector can be mixed into dual-jet actuator (1), it is characterized in that: described vector can be mixed into dual-jet actuator (1) one end and be furnished with micromachine (3), the output shaft of described micromachine (3) is equiped with driving gear (31), the tune fluent (11) that described vector can be mixed into dual-jet actuator (1) is provided with driving rack (111) near one end of described micromachine (3), and described driving gear (31) engages with driving rack (111).
2. the vector based on fluent of micromachine control tune according to claim 1 can be mixed into twin-jet apparatus, it is characterized in that: also comprise mounting base (4) and electric machine support (5), described vector can be mixed into dual-jet actuator (1) and be installed on mounting base (4), it is upper that described micromachine (3) is installed in mounting base (4) by electric machine support (5), and the position that the position that described electric machine support (5) is connected with micromachine (3) and electric machine support (5) are connected with mounting base (4) is equipped with waist type attachment hole (51).
3. the vector based on fluent of micromachine control tune according to claim 2 can be mixed into twin-jet apparatus, it is characterized in that: described electric machine support (5) is L-shaped, its horizontal segment is connected with described micromachine (3), and its vertical section is connected with described mounting base (4).
4. can be mixed into twin-jet apparatus according to the vector based on fluent of micromachine control tune described in claim 1 or 2 or 3, it is characterized in that: described vector can be mixed into dual-jet actuator (1) and comprise a counter plate (12) that surrounds the cavity of upper end open only and the cover plate (13) that is covered on a counter plate (12) upper end, described tune fluent (11) is slidedly arranged on the upper end open place of a counter plate (12) cavity that surrounds, in described cavity, be provided with an electric oscillation film (14), cavity is divided into two parts that communicate with upper end open by institute's rheme electric oscillation film (14).
5. the vector based on fluent of micromachine control tune according to claim 4 can be mixed into twin-jet apparatus, it is characterized in that: described micromachine (3) is connected with the miniature motor drive controller (6) for controlling its amounts of rotation, institute's rheme electric oscillation film (14) is connected with the excitation driving power (2) for driving its vibration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410326694.8A CN104196832B (en) | 2014-07-10 | 2014-07-10 | Vector adjustable synthesis double-jet-flow device based on flow adjusting sliding block controlled by micro motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410326694.8A CN104196832B (en) | 2014-07-10 | 2014-07-10 | Vector adjustable synthesis double-jet-flow device based on flow adjusting sliding block controlled by micro motor |
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| CN104196832A true CN104196832A (en) | 2014-12-10 |
| CN104196832B CN104196832B (en) | 2017-02-15 |
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| CN201410326694.8A Active CN104196832B (en) | 2014-07-10 | 2014-07-10 | Vector adjustable synthesis double-jet-flow device based on flow adjusting sliding block controlled by micro motor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269634A (en) * | 2017-06-29 | 2017-10-20 | 中国人民解放军国防科学技术大学 | One kind is controlled by electricity fully Vector modulation twin-jet apparatus and generation method |
| CN109760818A (en) * | 2019-03-21 | 2019-05-17 | 中国人民解放军国防科技大学 | Supersonic velocity boundary layer transition control method based on novel synthetic double-jet actuator |
| CN111874847A (en) * | 2020-07-22 | 2020-11-03 | 清华大学 | Horizontal displacement clamping mechanism applied to throat swab sampling system |
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| CN1818399A (en) * | 2006-03-13 | 2006-08-16 | 中国人民解放军国防科学技术大学 | Synthetic jetting excitor with single-membrane, double openings and double cavities |
| CN101012844A (en) * | 2006-02-03 | 2007-08-08 | 三星电子株式会社 | Synthetic jet actuator |
| CN201057185Y (en) * | 2007-06-08 | 2008-05-07 | 北京航空航天大学 | High-efficiency synthesizing jet current exciter |
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| CN101012844A (en) * | 2006-02-03 | 2007-08-08 | 三星电子株式会社 | Synthetic jet actuator |
| CN1818399A (en) * | 2006-03-13 | 2006-08-16 | 中国人民解放军国防科学技术大学 | Synthetic jetting excitor with single-membrane, double openings and double cavities |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269634A (en) * | 2017-06-29 | 2017-10-20 | 中国人民解放军国防科学技术大学 | One kind is controlled by electricity fully Vector modulation twin-jet apparatus and generation method |
| CN107269634B (en) * | 2017-06-29 | 2019-11-15 | 中国人民解放军国防科学技术大学 | One kind is controlled by electricity fully Vector modulation twin-jet apparatus and generation method |
| CN109760818A (en) * | 2019-03-21 | 2019-05-17 | 中国人民解放军国防科技大学 | Supersonic velocity boundary layer transition control method based on novel synthetic double-jet actuator |
| CN109760818B (en) * | 2019-03-21 | 2020-11-20 | 中国人民解放军国防科技大学 | Supersonic velocity boundary layer transition control method based on synthetic double-jet actuator |
| CN111874847A (en) * | 2020-07-22 | 2020-11-03 | 清华大学 | Horizontal displacement clamping mechanism applied to throat swab sampling system |
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| CN104196832B (en) | 2017-02-15 |
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