CN103894306A - Synthetic jet device based on electromagnetic drive - Google Patents
Synthetic jet device based on electromagnetic drive Download PDFInfo
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- CN103894306A CN103894306A CN201410140764.0A CN201410140764A CN103894306A CN 103894306 A CN103894306 A CN 103894306A CN 201410140764 A CN201410140764 A CN 201410140764A CN 103894306 A CN103894306 A CN 103894306A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
- B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
- B05B17/06—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations
- B05B17/0607—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers
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Abstract
The invention discloses a synthetic jet device based on electromagnetic drive. The synthetic jet device mainly comprises an electromagnet (1), an assembling shell (2) and a synthetic jet device body (3). The electromagnet (1) adjusts and controls the distance between the electromagnet (1) and an elastic vibration film (3-2) through threads. Current in sinusoidal variation is fed into the electromagnet (1) to generate an alternating magnetic field so as to generate alternating electromagnetic force for a permanent magnet film (3-1). The permanent magnet film (3-1) drives the elastic vibration film (3-2) to vibrate, the pressure of a gas cavity formed by the elastic vibration film (3-2) and a cavity body (3-3) varies, and synthetic jet flow is generated through a jet opening (3-4). The synthetic jet device is low in working voltage, large in non-contact drive force, large in air outlet amount, reasonable in design, simple in structure, and capable of realizing active flow control.
Description
Technical field
The present invention relates to a kind of electromagnetic drive type combining jet device, can be used for active Flow Control, jet vector control, strengthen blending and strengthen the mobile controlling parties such as heat transfer heat exchange control to.
Background technology
Synthesizing jet-flow has broad application prospects in active Flow Control field, synthesizing jet-flow excitor is the core component of synthesizing jet-flow technology, when work, drive function by vibrating diaphragm vibration realizing, only need just can regulate as requested control by the frequency, amplitude and the phase place that change the driver signal of telecommunication, synthesizing jet-flow excitor mainly contains the type of drive such as piezoelectricity, static, electromagnetism.It makes vibrating diaphragm produce unsettled vibration by these type of drive, thereby causes the variation of cavity volume, thus ambient atmos is constantly sucked and discharged cavity by spout, realizes zero mass synthesizing jet-flow, realizes the ACTIVE CONTROL in flow field.
Conventional synthesizing jet-flow excitor is classified according to the vibration source difference of driver vibrating mass, mainly contains piezoelectric film oscillatory type, piston vibration formula, acoustically-driven oscillatory type, ferromagnet marmem oscillatory type, polyvinylidene fluoride (PVDF) film oscillatory type driver.
Various conventional synthesizing jet-flow excitors are compared, and acoustically-driven formula driver is less at the synthetic jet energy of outlet, and needs sound-producing device.Piston vibration formula driver can provide large synthesizing jet-flow energy, but needs transmission gear for electric motor to drive piston vibration, and frequency is not high.Dynamic formula driver made by marmem and PVDF membrane oscillatory type also can provide larger synthesizing jet-flow energy, but operating frequency is low.Piezoelectric film oscillatory type driver simple in structure, operating frequency is high, response is rapid, repeatability is better, is current most study, application prospect the most a kind of synthesizing jet-flow excitor, its main deficiency is that synthesizing jet-flow energy level is on the low side.
Summary of the invention
For solving above-mentioned deficiency of the prior art, the invention provides a kind of combining jet device based on Electromagnetic Drive, its operating voltage is little, and driving force is large, non_contact drive, air output is large, reasonable in design, simple in structure.
The technical solution used in the present invention is: a kind of combining jet device based on Electromagnetic Drive, comprises electromagnet (1), assembling shell (2) and synthesizing jet-flow device (3);
Described assembling shell (2) has axial perforation cavity;
Described electromagnet (1)) mainly comprise iron core (1-2) and be wound in the coil (1-3) on iron core (1-2); Described iron core (1-2) and coil (1-3) are placed in electromagnet casing body (1-4) inside; Electromagnet casing body (1-4) outer wall and assembling shell (2) one end inwall form Screw assembly; Coil (1-3) signal of telecommunication is drawn from electromagnet casing body (1-4) by lead-in wire (1-1);
Described synthesizing jet-flow device (3) mainly comprises permanent magnet thin slice (3-1), elasticity vibrating diaphragm (3-2) and cavity (3-3); Described cavity (3-3) downside is provided with spout (3-4); Elasticity vibrating diaphragm (3-2) is placed in cavity (3-3) upside, makes elasticity vibrating diaphragm (3-2) and cavity (3-3) form an only gas cavity with extraneous UNICOM by spout (3-4); Permanent magnet thin slice (3-1) is positioned on iron core (1-2) axis and is placed in elasticity vibrating diaphragm (3-2) upper center position; Synthesizing jet-flow device (3) is arranged on the inner chamber of assembling shell (2) other end by cavity (3-3) outer wall thread.
When work, electromagnet (1) is by the distance between threaded adjusting control electromagnet (1) and elasticity vibrating diaphragm (3-2); Electromagnet (1) passes into the electric current of sinusoidal variations, produce the magnetic field of alternation, thereby permanent magnet thin slice (3-1) is produced to the electromagnetic force of alternation, permanent magnet thin slice (3-1) drives elasticity vibrating diaphragm (3-2) vibration, the gas cavity that elasticity vibrating diaphragm (3-2) and cavity (3-3) form produces air pressure change, thereby produces synthesis type jet by spout (3-4).
The present invention compared with prior art has the following advantages:
(1) this electromagnetic drive type combining jet device can, by the distance between threaded engagement regulating magnet and elasticity vibrating diaphragm, be controlled the muzzle velocity of combining jet device.
(2) this electromagnetic drive type combining jet device adopts Electromagnetic Drive, and its operating voltage is little, and the electromagnetic actuation force of generation is large.
(3) this electromagnetic drive type combining jet device adopts PDMS as elasticity vibrating diaphragm, and PDMS is flexible large, and its Young's modulus is 750KPa, under the effect of electromagnetic force, can obtain very large skew, and then cavity volume variation obviously, and air-out effect is obvious.
Brief description of the drawings
Fig. 1 is front view of the present invention.
Fig. 2 is electromagnet structure schematic diagram of the present invention.
Fig. 3 is the structural representation of synthesizing jet-flow device of the present invention.
Description of reference numerals:
1-electromagnet; 1-1-lead-in wire; 1-2-iron core; 1-3-coil; 1-4-electromagnet casing body; 2-assembling shell;
3-synthesizing jet-flow device; 3-1-permanent magnet thin slice; 3-2-elasticity vibrating diaphragm; 3-3-cavity; 3-4-spout.
Detailed description of the invention
The present embodiment is a kind of electromagnetic drive type combining jet device.
Combining jet device is one of device important in mobile control field, it adopts the type of drive such as piezoelectricity, static or electromagnetism to make its flexible sheet produce the vibration that suspends, thereby cause the cyclically-varying of cavity volume, thus ambient atmos is constantly sucked and is discharged cavity by spout, in the situation that not needing extra source of the gas, produce synthesis type jet, realize the ACTIVE CONTROL in flow field.Electromagnetic drive type combining jet device has the features such as simple in structure, operating voltage is little, and driving force is large.
With reference to Fig. 1.The present embodiment drive unit is a kind of electromagnetic drive type combining jet device, comprises electromagnet (1), assembling shell (2) and synthesizing jet-flow device (3);
Described assembling shell (2) is for there being the boss of axial perforation cavity;
Described electromagnet (1)) mainly comprise iron core (1-2) and be wound in the coil (1-3) on iron core (1-2); Described iron core (1-2) and coil (1-3) are placed in electromagnet casing body (1-4) inside; Electromagnet casing body (1-4) outer wall and assembling shell (2) boss segment inwall form Screw assembly; Coil (1-3) signal of telecommunication is drawn from electromagnet casing body (1-4) by lead-in wire (1-1);
Described synthesizing jet-flow device (3) mainly comprises permanent magnet thin slice (3-1), elasticity vibrating diaphragm (3-2) and cavity (3-3); Described cavity (3-3) downside is provided with spout (3-4); Elasticity vibrating diaphragm (3-2) is placed in cavity (3-3) upside, makes elasticity vibrating diaphragm (3-2) and cavity (3-3) form an only gas cavity with extraneous UNICOM by spout (3-4); Permanent magnet thin slice (3-1) is positioned on iron core (1-2) axis and is placed in elasticity vibrating diaphragm (3-2) upper center position; Synthesizing jet-flow device (3) is arranged on large section of inner chamber of assembling shell (2) boss by cavity (3-3) outer wall thread;
In the present embodiment, coil (1-3) is copper coil.
Assembling shell (2) is for there being the cylindric or boss-shaped of axial perforation cavity;
Described assembling shell (2) is aluminium casing;
Described elasticity vibrating diaphragm (3-2) is PDMS vibrating diaphragm;
Described spout (3-4) horizontal cross-sectional profile is circle or rectangle, and the center line of spout and permanent magnet thin slice (3-1) center line, iron core (1-2) axis are all consistent.
Claims (8)
1. the combining jet device based on Electromagnetic Drive, is characterized in that: comprise electromagnet (1), assembling shell (2) and synthesizing jet-flow device (3);
Described assembling shell (2) has axial perforation cavity;
Described electromagnet (1)) mainly comprise iron core (1-2) and be wound in the coil (1-3) on iron core (1-2); Described iron core (1-2) and coil (1-3) are placed in electromagnet casing body (1-4) inside; Electromagnet casing body (1-4) outer wall is fixed on assembling shell (2) one end inner chamber; Coil (1-3) signal of telecommunication is drawn from electromagnet casing body (1-4) by lead-in wire (1-1);
Described synthesizing jet-flow device (3) mainly comprises permanent magnet thin slice (3-1), elasticity vibrating diaphragm (3-2) and cavity (3-3); Described cavity (3-3) downside is provided with spout (3-4); Elasticity vibrating diaphragm (3-2) is placed in cavity (3-3) upside, makes elasticity vibrating diaphragm (3-2) and cavity (3-3) form an only gas cavity with extraneous UNICOM by spout (3-4); Permanent magnet thin slice (3-1) is positioned on iron core (1-2) axis and is placed in elasticity vibrating diaphragm (3-2) upper center position; Synthesizing jet-flow device (3) cavity (3-3) outer wall is fixed on assembling shell (2) other end inner chamber.
2. the combining jet device based on Electromagnetic Drive, is characterized in that: described electromagnet casing body (1-4) outer wall and assembling shell (2) one end inwall form Screw assembly.
3. the combining jet device based on Electromagnetic Drive, is characterized in that: described synthesizing jet-flow device (3) is arranged on the inner chamber of assembling shell (2) other end by cavity (3-3) outer wall thread.
4. the combining jet device based on Electromagnetic Drive, is characterized in that: described coil (1-3) is copper coil.
5. the combining jet device based on Electromagnetic Drive, is characterized in that: described assembling shell (2) is for there being the cylindric or boss-shaped of axial perforation cavity.
6. the combining jet device based on Electromagnetic Drive, is characterized in that: described assembling shell (2) is aluminium casing.
7. the combining jet device based on Electromagnetic Drive, is characterized in that: described elasticity vibrating diaphragm (3-2) is PDMS vibrating diaphragm.
8. the combining jet device based on Electromagnetic Drive, is characterized in that: described spout (3-4) horizontal cross-sectional profile is circle or rectangle, and the center line of spout and permanent magnet thin slice (3-1) center line, iron core (1-2) axis are all consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410140764.0A CN103894306A (en) | 2014-04-09 | 2014-04-09 | Synthetic jet device based on electromagnetic drive |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410140764.0A CN103894306A (en) | 2014-04-09 | 2014-04-09 | Synthetic jet device based on electromagnetic drive |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016195823A1 (en) * | 2015-06-02 | 2016-12-08 | Intel Corporation | Package integrated synthetic jet device |
| CN106733310A (en) * | 2015-11-20 | 2017-05-31 | 英业达科技有限公司 | Combining jet device |
| CN107081241A (en) * | 2017-03-16 | 2017-08-22 | 北京航空航天大学 | The generation equipment of non-circular synthesizing jet-flow |
| CN107380405A (en) * | 2017-07-03 | 2017-11-24 | 北京航空航天大学 | Synthesizing jet-flow exciting bank and wingtip vortex control method |
| CN107930871A (en) * | 2017-12-19 | 2018-04-20 | 武汉大学 | A kind of squash type pulsing jet generating means based on electromagnetic drive |
| CN108014666A (en) * | 2018-01-24 | 2018-05-11 | 大连海事大学 | A kind of adaptive jet stream patted based on film increases mixing device and its method of work |
| CN108419185A (en) * | 2018-03-30 | 2018-08-17 | 东莞涌韵音膜有限公司 | The gas throttle device of flow is adjusted using memory alloy wire driving vibrating diaphragm |
| CN110455401A (en) * | 2019-08-28 | 2019-11-15 | 江苏多维科技有限公司 | A kind of high sensitivity magnetic resistance sonic sensor and array apparatus |
| CN110500345A (en) * | 2019-08-29 | 2019-11-26 | 浙江大学 | A kind of synthesizing jet-flow array apparatus |
| CN113277047A (en) * | 2021-06-18 | 2021-08-20 | 西北工业大学 | Synthetic fluidic device of glider under water based on electromagnetic induction formula |
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Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10121730B2 (en) | 2015-06-02 | 2018-11-06 | Intel Corporation | Package integrated synthetic jet device |
| US9559037B2 (en) | 2015-06-02 | 2017-01-31 | Intel Corporation | Package integrated synthetic jet device |
| CN107667420B (en) * | 2015-06-02 | 2021-04-13 | 英特尔公司 | Packaged integrated synthetic jet device |
| TWI693101B (en) * | 2015-06-02 | 2020-05-11 | 美商英特爾公司 | Synthetic jet device, method of forming the same and package substrate |
| WO2016195823A1 (en) * | 2015-06-02 | 2016-12-08 | Intel Corporation | Package integrated synthetic jet device |
| CN107667420A (en) * | 2015-06-02 | 2018-02-06 | 英特尔公司 | The integrated synthesizing jet-flow equipment of encapsulation |
| EP3302961A4 (en) * | 2015-06-02 | 2019-01-16 | INTEL Corporation | Package integrated synthetic jet device |
| US10134656B2 (en) | 2015-06-02 | 2018-11-20 | Intel Corporation | Package integrated synthetic jet device |
| CN106733310B (en) * | 2015-11-20 | 2019-03-22 | 英业达科技有限公司 | Combining jet device |
| CN106733310A (en) * | 2015-11-20 | 2017-05-31 | 英业达科技有限公司 | Combining jet device |
| CN107081241B (en) * | 2017-03-16 | 2019-04-30 | 北京航空航天大学 | The generation equipment of non-circular synthesizing jet-flow |
| CN107081241A (en) * | 2017-03-16 | 2017-08-22 | 北京航空航天大学 | The generation equipment of non-circular synthesizing jet-flow |
| CN107380405A (en) * | 2017-07-03 | 2017-11-24 | 北京航空航天大学 | Synthesizing jet-flow exciting bank and wingtip vortex control method |
| CN107380405B (en) * | 2017-07-03 | 2019-11-01 | 北京航空航天大学 | Synthesizing jet-flow exciting bank and wingtip vortex control method |
| CN107930871A (en) * | 2017-12-19 | 2018-04-20 | 武汉大学 | A kind of squash type pulsing jet generating means based on electromagnetic drive |
| CN108014666A (en) * | 2018-01-24 | 2018-05-11 | 大连海事大学 | A kind of adaptive jet stream patted based on film increases mixing device and its method of work |
| CN108014666B (en) * | 2018-01-24 | 2023-05-09 | 大连海事大学 | Self-adaptive jet flow mixing device based on film beating and working method thereof |
| CN108419185A (en) * | 2018-03-30 | 2018-08-17 | 东莞涌韵音膜有限公司 | The gas throttle device of flow is adjusted using memory alloy wire driving vibrating diaphragm |
| CN108419185B (en) * | 2018-03-30 | 2023-10-17 | 东莞涌韵音膜有限公司 | Adopt memory alloy line drive vibrating diaphragm to adjust gas throttling arrangement of flow |
| CN110455401A (en) * | 2019-08-28 | 2019-11-15 | 江苏多维科技有限公司 | A kind of high sensitivity magnetic resistance sonic sensor and array apparatus |
| CN110455401B (en) * | 2019-08-28 | 2021-10-19 | 江苏多维科技有限公司 | High-sensitivity magnetoresistive acoustic wave sensor and array device |
| CN110500345A (en) * | 2019-08-29 | 2019-11-26 | 浙江大学 | A kind of synthesizing jet-flow array apparatus |
| CN113277047A (en) * | 2021-06-18 | 2021-08-20 | 西北工业大学 | Synthetic fluidic device of glider under water based on electromagnetic induction formula |
| CN113277047B (en) * | 2021-06-18 | 2022-09-06 | 西北工业大学 | Synthetic fluidic device of glider under water based on electromagnetic induction formula |
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Application publication date: 20140702 |