CN208839612U - A kind of asynchronous drop generating system of polydispersion - Google Patents
A kind of asynchronous drop generating system of polydispersion Download PDFInfo
- Publication number
- CN208839612U CN208839612U CN201821189704.8U CN201821189704U CN208839612U CN 208839612 U CN208839612 U CN 208839612U CN 201821189704 U CN201821189704 U CN 201821189704U CN 208839612 U CN208839612 U CN 208839612U
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- China
- Prior art keywords
- asynchronous
- perfusion tube
- polydispersion
- drop generating
- pipeline connector
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Abstract
A kind of asynchronous drop generating system of polydispersion, including asynchronous droplet generator, liquid feed device and external driver device；Asynchronous droplet generator includes drop generating assembly: including pipeline connector, infusion tube set and piezo-electric crystal, infusion tube set includes at least two perfusion tubes, is fixed with piezo-electric crystal on the lateral wall of each perfusion tube；The lower open end of pipeline connector is equipped with gasket seal, and gasket seal is equipped with fixed jack identical with perfusion tube quantity, and perfusion tube is plugged on gasket seal；Insulation crust includes cylindrical cavity body and upper metal plate and lower metal plate；Pipeline connector, conductor jointer are plugged and fixed on upper metal plate；Piezo-electric crystal passes through conducting wire respectively and is connected through conductor jointer with external driver device；The end of perfusion tube reaches the outside of insulation crust by infusion tube via hole.The utility model can produce the uniform and stable high frequency asynchronous polydispersion drop of drop size by predeterminated frequency, fluid flow, pressure and other parameters.
Description
Technical field
The utility model relates to a kind of more drop striking experiment systems, especially a kind of asynchronous drop system of polydispersion
System.
Background technique
Drop impingement phenomenon belongs to typical Free Surface flowing problem, is widely present in nature, agricultural and engineering skill
In art, furtheing investigate to it depends on analog simulation and object test, at present drop hit field Liang Gangtao, Wei Lan, Yu Huan,
Jia Xiaojuan etc. has done a large amount of drop and has hit analog simulation and single drop striking experiment, but rarely has the shock about more drops to grind
Study carefully especially experimental study, is all based on simulating mostly.To find out its cause, mainly more drop striking experiments set experiment key
Standby-droplet generator is more demanding.Existing drop generating system is suitable for single drop striking experiment, but sets to more drops
Standby development is still at an early stage.Many scholar's used more drop generating devices when doing nanospray experiment are voluntarily to change
It fills, its structure is complicated, and volume is big, and manufacturing cost is high, and its drop occurrence frequency controllability is poor, can not generate uniform
Polydispersion drop can not generate asynchronous polydispersion droplet array.Also there is patented technology of the part about single droplet distribution at home,
But rarely has the related record of either synchronously or asynchronously more drop generating devices.
Summary of the invention
That the purpose of the utility model is to provide a kind of structures is simple, small in size, asynchronous polydispersion droplet array can be achieved
The asynchronous drop generating system of polydispersion.
The utility model solves a kind of technical solution used by prior art problem: asynchronous drop system of polydispersion
System, including asynchronous droplet generator, liquid feed device and external driver device；The asynchronous droplet generator include insulation crust and
The drop generating assembly being installed in insulation crust；The drop generating assembly includes pipeline connector, infusion tube set and piezoelectricity
Crystal, infusion tube set include at least two perfusion tubes, are fixed with piezo-electric crystal on the lateral wall of each perfusion tube；Piping connection
The lower open end of device covers and is fixed with gasket seal, and gasket seal is equipped with fixed jack identical with perfusion tube quantity, institute
It states perfusion tube to be plugged and fixed by the fixed jack on gasket seal, and perfusion tube is made to be connected with pipeline connector；Insulation
Shell includes being wrapped on the outside of drop generating assembly and the cylindrical cavity body of both ends open and the upper metal plate positioned at two open ends
With lower metal plate；The upper open end of pipeline connector and confession on upper metal plate is plugged and fixed in pipeline connector, conductor jointer
Liquid device is connected；The piezo-electric crystal passes through conducting wire respectively and is connected through conductor jointer with external driver device；On lower metal plate
Equipped with the infusion tube via hole that the end with the perfusion tube matches, so that the end of perfusion tube is reached absolutely by infusion tube via hole
The outside of edge shell.
It is socketed with spring-backed quill on the outside of the infusion tube set, and spring-backed quill is made to be located at the under shed of pipeline connector
End.
The inner sidewall of the cylindrical cavity body is equipped with wire channel, which is connected with the conductor jointer
Logical, the piezo-electric crystal on each perfusion tube by conducting wire through the wire channel and conductor jointer and external drive by being filled respectively
It sets connected.
The quantity of the external driver device and the cooperating number of perfusion tube are suitable, so that the piezo-electric crystal on each perfusion tube
It is connected with an external driver device.
Liquid feed device includes topping-up pump, and topping-up pump passes sequentially through filter, valve and pressure gauge and the pipeline connector
Upper open end be connected.
The external driver device is function generator.
The cylindrical cavity body is ABS cylindrical cavity body, which is what two semicolumn shells were spliced
Cylindrical shell.
The utility model has the beneficial effects that: the utility model structure is simple, mainly by asynchronous droplet generator and
Topping-up pump, filter, valve, pressure gauge and the function generator being cooperatively connected with asynchronous droplet generator form, wherein asynchronous
Chief component of the droplet generator as whole system, using more fixed in the end of pipeline connector in structure
Perfusion tube, and a piezo-electric crystal is set on the lateral wall of every perfusion tube, by the pressure on perfusion tube in infusion tube set
The effect that transistor applies different vibration frequencies respectively to make infusion tube set generate asynchronous drop.The utility model passes through
Predeterminated frequency, fluid flow, pressure and other parameters, can produce different distributions, different frequency, friction speed, different-diameter drop,
Drop size is uniform, stablizes.The high frequency asynchronous polydispersion drop of generation can meet the bat that drop hits research high speed video camera
Take the photograph needs.
Detailed description of the invention
Fig. 1 is the system structure diagram of the utility model.
Fig. 2 is the structural schematic diagram of asynchronous droplet generator in the utility model.
Fig. 3 is the structural schematic diagram of drop generating assembly in the utility model.
Fig. 4 is the top view of Fig. 2.
Fig. 5 is the structural schematic diagram of perfusion tube in the utility model.
In figure: the asynchronous droplet generator of 1-, 2- topping-up pump, 3- filter, 4- valve, 5- pressure gauge, 6- function generator,
7- insulation crust, 8- infusion tube set, 9- pipeline connector, 10- piezo-electric crystal, 11- perfusion tube, 12- perfusion tube fixing end,
Metal plate, 17- conductor jointer, 18- wire channel, 19- under 13- gasket seal, 14- gum sleeve, the upper metal plate of 15-, 16-
Conducting wire.
Specific embodiment
The utility model is illustrated below in conjunction with the drawings and the specific embodiments:
Fig. 1 is a kind of system structure diagram of the asynchronous drop generating system of polydispersion of the utility model.A kind of polydispersion
Asynchronous drop generating system, including asynchronous droplet generator 1, liquid feed device and external driver device, wherein liquid feed device is specific
For topping-up pump 2, topping-up pump 2 passes sequentially through the asynchronous droplet generator 1 of filter 3, valve 4 and pressure gauge 5 Yu the utility model
In pipeline connector 9 upper open end be connected；External driver device is specially function generator 6.Function generator 6 be used for
Conductor jointer 17 in the asynchronous droplet generator 1 of the utility model is connected.
Fig. 2 is the structural schematic diagram of asynchronous droplet generator.Asynchronous droplet generator 1 in the utility model includes insulation
Shell 7 and the drop generating assembly being installed in insulation crust 7.Fig. 3 shows the specific structure of drop generating assembly: the drop
Generating assembly includes pipeline connector 9, infusion tube set 8 and piezo-electric crystal 10.Wherein, infusion tube set 8 includes at least two
Perfusion tube 11 can be used silver base conductive epoxy resin on the lateral wall of each perfusion tube 11 and be fixed with piezo-electric crystal 10(such as Fig. 5 institute
Show), wherein piezo-electric crystal 10 can use rectangular or ring piezoelectric crystal；The lower open end of pipeline connector 9 is equipped with perfusion tube
Fixing end 12 is equipped with gasket seal 13 in perfusion tube fixing end 12, and covers the gasket seal 13 and be fixed on pipeline company
The lower open end of device 9 is connect, gasket seal 13 is equipped with fixed jack identical with 11 quantity of perfusion tube, and perfusion tube 11 is solid by this
Determine jack to be plugged and fixed on gasket seal 13, and each perfusion tube 11 is made to be connected with pipeline connector 9, gasket seal 13
Design can achieve good sealing effect, and when effectively avoiding feed flow, liquid is flowed out along the lateral wall of perfusion tube 11；It is defeated to reinforce
Liquid pipe component 8 is socketed with gum sleeve 14 on the outside of infusion tube set 8, and is located at gum sleeve 14 under pipeline connector 9
Open end.
Insulation crust 7 is wrapped on the outside of drop generating assembly and the cylindrical cavity body of both ends open and to be located at column empty
The upper metal plate 15 of two open end of cavity and lower metal plate 16.Wherein, cylindrical cavity body is ABS cylindrical cavity body, such as
Shown in Fig. 2, which is the cylindrical shell that two semicolumn shells are spliced.As shown in figure 4, drop generation group
The mode that pipeline connector 9 in part is connected through a screw thread is plugged and fixed on upper metal plate 15, so that pipeline connector 9 is upper
Open end is connected with liquid feed device；The mode being equally connected through a screw thread on upper metal plate 15 has been plugged and fixed and cylindrical cavity body
The conductor jointer 17 being connected damages and guarantees the neat of cabling for maximum protection circuit, preferably in column sky
The inner sidewall of cavity is equipped with wire channel 18, and wire channel 18 is connected with conductor jointer 17, on each perfusion tube 11
Piezo-electric crystal 10 by conducting wire 19 through the wire channel 18 and 17 and function generator 6 of conductor jointer by being connected respectively, tool
Body, the quantity of function generator 6 and the cooperating number of perfusion tube 11 are suitable, the piezo-electric crystal 10 on each perfusion tube 11 with it is corresponding
A function generator 6 be connected, can be in the period for generating different frequency to control piezo-electric crystal 10 on each perfusion tube 11
Property mechanical oscillation, to realize the effect of asynchronous drop.Lower metal plate 16 is equipped with the infusion to match with the end of perfusion tube 11
Pipe through-hole, so that the end of perfusion tube 11 reaches the outside of insulation crust 7 by infusion tube via hole.
The operating principle of the utility model is as follows: the liquid in topping-up pump 2 is extruded under pump power effect, such as Fig. 1 institute
Show, entered with this through filter 3, valve 4 in the perfusion tube 11 of asynchronous droplet generator 1, function generator 6 produces at the same time
Raw electric signal induces the piezo-electric crystal 10 on each perfusion tube 11 to generate the periodic mechanical vibration of different frequency, through perfusion tube
11 pass to liquid in pipe, so as to be crushed under the effect of Rayleigh unstability after liquid is sprayed out of pipe in each perfusion tube 11
At uniform drop, since several liquid pipes are controlled by the piezo-electric crystal of different frequency 10 respectively, so asynchronous drop can be generated.Its
In, the number of arrays of drop is determined by the quantity of perfusion tube 11；According to the actual situation, if can be covered in the end of perfusion tube 11
One layer of orifice plate of lid, at this moment, the number of arrays of drop is determined by the hole count of orifice plate, droplet size and 11 caliber of perfusion tube or orifice bore
Diameter, type of fluid are related, therefore can be changed by the perfusion tube 11 or the orifice plate of different hole count, aperture for replacing different tube diameters
The drop size and number of arrays to be generated.To realize the effect of asynchronous drop.
It, cannot the above content is specific optimal technical scheme further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the protection scope of the utility model.
Claims (7)
1. a kind of asynchronous drop generating system of polydispersion, which is characterized in that including asynchronous droplet generator, liquid feed device and outside
Driving device；The asynchronous droplet generator includes insulation crust and the drop generating assembly being installed in insulation crust；The liquid
Drop generating assembly includes pipeline connector, infusion tube set and piezo-electric crystal, and infusion tube set includes at least two perfusion tubes, often
Piezo-electric crystal is fixed on the lateral wall of a perfusion tube；The lower open end of pipeline connector covers and is fixed with gasket seal, close
Gasket is equipped with fixed jack identical with perfusion tube quantity, and the perfusion tube is plugged and fixed by the fixed jack in sealing
On gasket, and perfusion tube is made to be connected with pipeline connector；Insulation crust is wrapped on the outside of drop generating assembly and both ends
Open cylindrical cavity body and upper metal plate and lower metal plate positioned at two open ends；Pipeline connector, conductor jointer grafting
It is fixed on metal plate, the upper open end of pipeline connector is connected with liquid feed device；The piezo-electric crystal passes through conducting wire respectively
It is connected through conductor jointer with external driver device；Lower metal plate is equipped with the perfusion tube to match with the end of the perfusion tube
Through-hole, so that the end of perfusion tube reaches the outside of insulation crust by infusion tube via hole.
2. the asynchronous drop generating system of a kind of polydispersion according to claim 1, which is characterized in that the infusion tube set
Outside is socketed with spring-backed quill, and spring-backed quill is made to be located at the lower open end of pipeline connector.
3. the asynchronous drop generating system of a kind of polydispersion according to claim 1, which is characterized in that the cylindrical cavity body
Inner sidewall be equipped with wire channel, which is connected with the conductor jointer, the piezo crystals on each perfusion tube
Body through the wire channel and conductor jointer by conducting wire with external driver device by being connected respectively.
4. the asynchronous drop generating system of a kind of polydispersion according to claim 1, which is characterized in that the external drive dress
The cooperating number of the quantity and perfusion tube set is suitable, so that piezo-electric crystal and an external driver device phase on each perfusion tube
Even.
5. the asynchronous drop generating system of a kind of polydispersion according to claim 1, which is characterized in that liquid feed device includes note
Liquid pump, topping-up pump pass sequentially through filter, valve and pressure gauge and are connected with the upper open end of the pipeline connector.
6. a kind of according to claim 1,3,4 any asynchronous drop generating system of polydispersion, which is characterized in that described outer
Portion's driving device is function generator.
7. the asynchronous drop generating system of a kind of polydispersion according to claim 1, which is characterized in that the cylindrical cavity body
For ABS cylindrical cavity body, which is the cylindrical shell that two semicolumn shells are spliced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821189704.8U CN208839612U (en) | 2018-07-26 | 2018-07-26 | A kind of asynchronous drop generating system of polydispersion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821189704.8U CN208839612U (en) | 2018-07-26 | 2018-07-26 | A kind of asynchronous drop generating system of polydispersion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208839612U true CN208839612U (en) | 2019-05-10 |
Family
ID=66354108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821189704.8U Expired - Fee Related CN208839612U (en) | 2018-07-26 | 2018-07-26 | A kind of asynchronous drop generating system of polydispersion |
Country Status (1)
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| CN (1) | CN208839612U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108704685A (en) * | 2018-07-26 | 2018-10-26 | 大连理工大学 | A kind of asynchronous drop generating system of polydispersion |
-
2018
- 2018-07-26 CN CN201821189704.8U patent/CN208839612U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108704685A (en) * | 2018-07-26 | 2018-10-26 | 大连理工大学 | A kind of asynchronous drop generating system of polydispersion |
| CN108704685B (en) * | 2018-07-26 | 2023-10-03 | 大连理工大学 | Polydisperse asynchronous droplet generation system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190510 Termination date: 20200726 |