Non-contact ultrasonic atomization device
Technical Field
The utility model relates to a material spraying technical field relates to a device of ultrasonic atomization processing solution sample, specifically is a non-contact ultrasonic atomization device.
Background
The material spraying technology has wide application in the fields of printing electronics, new energy, photoelectric devices, biomedical treatment, 3D printing and the like. The ultrasonic atomization technology is an important material processing method and is widely applied in the technical field of material spraying. The ultrasonic transducer can generate high-frequency ultrasonic waves, the solution is excited by the ultrasonic waves to form an ultrasonic fountain, a large number of micron-sized aerosol liquid drops can be generated, and then the aerosol liquid drops are transmitted to the nozzle through the air path, so that spraying can be carried out. Compared with the traditional spraying technology, the control precision of ultrasonic spraying is higher.
However, the currently used ultrasonic atomization treatment technology still belongs to a material direct contact type ultrasonic treatment method, and for example, patent application No. 202010139930.0 discloses an "ultrasonic atomization device" which directly adds a solution to be atomized into an atomization chamber, and in the chamber, the atomized solution is directly contacted with an ultrasonic transducer to perform ultrasonic atomization treatment. However, this device has several disadvantages: firstly, the device has requirements on the sample size of the atomized solution, and is difficult to atomize a small-dose sample; secondly, the device has the problems that the solution sample is not completely atomized, more residues are easily left on the side wall and the bottom of the cavity, and the utilization rate of the material is low; in addition, when a new sample is replaced, equipment is difficult to clean, more residues exist at the joint of the ultrasonic transducer, and cross contamination among samples is easily caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a non-contact ultrasonic atomization device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a non-contact ultrasonic atomization device comprises an ultrasonic atomization module, a four-degree-of-freedom adjustment module, a temperature control module, an electrical control module, an operation platform, a water tank supporting structure, an ultrasonic transducer, conducting liquid, a sample bottle, an angle adjustment knob, a three-axis displacement sliding table and a temperature control device, wherein the ultrasonic transducer is positioned at the bottom of a water tank in the atomization module, the ultrasonic transducer is connected with the water tank in a sealing manner through a rubber gasket, the conducting liquid is arranged in the water tank, the sample bottle is arranged right above the ultrasonic transducer, a cover of the sample bottle is provided with two vent holes and a liquid supplementing hole, the three-axis displacement sliding table is respectively positioned in front of, behind and at the side of the atomization module, the angle adjustment knob and the sample bottle fixing structure are fixedly connected with the three-axis displacement sliding table through a sample bottle cantilever structure, and the water tank supporting structure is positioned at the bottom of the water tank, the ultrasonic water tank comprises a water tank supporting structure, a temperature control device and an atomizing module, wherein the water tank supporting structure is in close contact with the lower surface of an ultrasonic transducer, the temperature control device is tightly attached to the water tank supporting structure, one side of an operating platform is provided with a control switch of the temperature control module and the atomizing module, a power supply is arranged below the operating platform, an external plug of the ultrasonic transducer is arranged behind the operating platform, and the other side of the operating platform is provided with a main power supply connector of the device.
Preferably, the conducting liquid is an ultrasonic conducting solution, and the liquid level position of the conducting liquid is 0.5-50mm away from the upper surface of the ultrasonic transducer.
Preferably, the volume of the sample bottle is 1-200mL, and the bottom of the sample bottle is flat or round.
Preferably, the X, Y, Z adjustment ranges of the three-axis displacement sliding table are all 0-50 mm.
Preferably, the adjustment range of the angle adjustment knob is ± 90 ° from the central axis.
Preferably, the temperature control device is a temperature control heating platform, and the temperature control device can also be a cooling device.
Preferably, the control switches of the temperature control module and the atomization module control the start and the stop of each part under the control of an electric control button, and the control switches of the temperature control module and the atomization module can also realize electric control through a touch screen.
Compared with the prior art, the beneficial effects of the utility model are that:
the device can effectively realize the ultrasonic atomization of the solution sample, and solves the problem that a small amount of sample cannot be processed in the direct contact type ultrasonic atomization process; meanwhile, the problem of cross contamination among samples caused by incomplete cleaning of ultrasonic atomization equipment in the actual operation process is solved; and simultaneously, the utilization rate of the solution sample is improved.
Drawings
Fig. 1 is a schematic view of the overall appearance structure of an ultrasonic atomization device for atomizing a solution sample in a non-contact manner.
Fig. 2 is a schematic sectional structure diagram of a non-contact ultrasonic atomization device for atomizing a solution sample.
Fig. 3 is the working schematic diagram of the gas circuit of the atomization module of examples 1 and 2 of the present invention.
Fig. 4 is the utility model discloses example 3 atomizing module gas circuit work schematic.
Fig. 5 is a schematic view of the combination of the atomization module water tank and the ultrasonic transducer.
Fig. 6 is a sectional view of an atomization module water tank and ultrasonic transducer combination.
FIG. 7 is a schematic diagram of distribution of three gas-liquid inlets and outlets of a sample bottle cap.
Description of reference numerals: 1-control switch; 2-operating the platform; 3-a sink support structure; 4-an ultrasonic transducer; 5-a rubber gasket; 6-a water tank; 7-a conducting liquid; 8-a specimen bottle fixing structure; 9-a sample vial; 10-sample bottle cantilever structure; 11-an angle adjustment knob; 12-a three-axis displacement slide; 13-device mains power connection; 14-a power supply; 15-external plug of ultrasonic transducer; 16-a heat sink; 17-temperature control device; 18-semiconductor refrigeration chip; 19-sample solution; 20-A gas cylinder or pump; 21-A gas regulating valve; 22-gas a inlet line; 23-gas a outlet line; 1A1-N1 sample vial gas inlet; 1A2-N1 specimen bottle air outlet; 1S 1-sample bottle N1 fluid infusion port; 24-gas B inlet; 25-B gas cylinders or pumps; 26-B gas regulating valve; 27-gas B outlet line; 2a 1-vial N2 gas inlet; 2a 2-vial N2 vent; 2S 1-specimen jar N2 fluid infusion port.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-7, the present invention provides a technical solution: a non-contact ultrasonic atomizing device, comprising: the ultrasonic atomization module, the four-degree-of-freedom adjustment module, the temperature control module and the electrical control module. The ultrasonic atomization module includes: the ultrasonic transducer 4, the water tank 6, the sample bottle 9, the gas inlet pipeline 22 and the gas outlet pipeline 23 for gas-liquid transmission; the four-degree-of-freedom adjusting module comprises: the device comprises a three-axis displacement sliding table 12, an angle adjustable knob 11, a sample bottle cantilever structure 10 and a sample bottle fixing structure 8; the temperature control module includes: a sink support structure 3 and a temperature control device 17; the electrical control module includes: power supply 14, temperature control module, and control 1 of the atomization module. Fig. 3 is a schematic diagram of the operation of the gas circuit of the atomizing module, which further includes a gas a cylinder or pump 20 for supplying gas, a gas regulating valve 21, an inlet line 22 for delivering gas a, and an outlet line 23. The fourth diagram is a working schematic diagram of an atomization module gas path, which comprises a system of a gas path A: 20-A gas cylinder or pump; 21-A gas regulating valve; 22-gas a inlet line; 23-gas a outlet line; 1A1-N1 sample vial gas inlet; 1A2-N1 specimen bottle air outlet; 1S 1-sample bottle N1 fluid infusion port; b, gas path system: 24-gas B inlet; 25-B gas cylinders or pumps; 26-B gas regulating valve; 27-gas B outlet line; 2a 1-vial N2 gas inlet; 2a 2-vial N2 vent; 2S 1-specimen jar N2 fluid infusion port.
The use principle is as follows: example 1:
a quantity of conducting liquid 7, optionally water, is first added to the tank, the level of the added water being optionally 5mm from the upper surface of the ultrasonic transducer 4. To the vial 9 is added a quantity of a sample of the solution to be nebulized, optionally 4 mL. The sample vial 9 is placed in the sample vial fixing structure 8 and fixed so that the sample vial is directly above the ultrasonic transducer 4. The air inlet pipeline 22 and the air outlet pipeline 23 of the sample bottle 9 are connected, the liquid supplementing port 1S1 is sealed by a rubber cap, and the liquid supplementing port is opened again when liquid supply is needed. The lead-out connector of the ultrasonic transducer 4 is connected with the external connector 15 of the ultrasonic transducer, and the main power connector 15 of the device is connected to an external power supply. When the control button 1 is pressed, the atomization module and the temperature control module start to work simultaneously. The inclination angle of the sample is adjusted by adjusting the angle adjustable knob 11, and the selectable angle is 20 degrees from the central axis. And adjusting the three-axis displacement sliding table 12 again, wherein the adjustable range is 0-50mm, the atomization effect of the sample in the sample bottle 9 is observed through continuous adjustment, and when the optimal effect is achieved, the adjustment of the three-axis displacement sliding table 12 is stopped, and the three-axis position is locked. The gas is supplied from a gas cylinder 20 of a gas supply, the optional gas source is nitrogen, the gas flow is controlled by a gas regulating valve 21, the part can be used for manually regulating a float gas flow meter, the gas flow can be 500sccm, and the nitrogen gas enters the sample bottle 9 through a gas inlet pipeline 22 through a 1A1 gas inlet of the sample bottle 9. The solution sample in the sample bottle 9 forms aerosol with the size of micron order after being atomized by the high-frequency ultrasonic wave generated by the ultrasonic transducer 4. And then conveyed to a nozzle or other positions through the air outlet 23 through the air outlet port 1A2 of the sample bottle 9. In this process, the solution is replenished manually or automatically, and the solution sample is continuously supplied to the sample bottle 9 through the replenishment port 1S 1.
Example 2:
a quantity of conducting liquid 7, optionally water, is first added to the tank, the level of the added water being optionally 8mm from the upper surface of the ultrasonic transducer 4. To the vial 9 is added a quantity of a sample of the solution to be nebulized, optionally 3 mL. The sample vial 9 is placed in the sample vial fixing structure 8 and fixed so that the sample vial is directly above the ultrasonic transducer 4. The air inlet pipeline 22 and the air outlet pipeline 23 of the sample bottle 9 are connected, the liquid supplementing port 1S1 is sealed by a rubber cap, and the liquid supplementing port is opened again when liquid supply is needed. The lead-out connector of the ultrasonic transducer 4 is connected with the external connector 15 of the ultrasonic transducer, and the main power connector 15 of the device is connected to an external power supply. When the control button 1 is pressed, the atomization module and the temperature control module start to work simultaneously. The inclination angle of the sample is adjusted by adjusting the angle adjustable knob 11, and the selectable angle is 20 degrees from the central axis. And adjusting the three-axis displacement sliding table 12 again, wherein the adjustable range is 0-50mm, the atomization effect of the sample in the sample bottle 9 is observed through continuous adjustment, and when the optimal effect is achieved, the adjustment of the three-axis displacement sliding table 12 is stopped, and the three-axis position is locked. The gas is provided by a gas steel cylinder 20 of a gas supply device, an optional gas source is nitrogen, the gas flow is controlled by a gas regulating valve 21, a numerical control gas flow meter can be selected as the part, the gas flow can be 200sccm, and the nitrogen gas enters the sample bottle 9 through a gas inlet pipeline 22 and a 1A1 gas inlet of the sample bottle 9. The solution sample in the sample bottle 9 forms aerosol with the size of micron order after being atomized by the high-frequency ultrasonic wave generated by the ultrasonic transducer 4. And then conveyed to a nozzle or other positions through the air outlet 23 through the air outlet port 1A2 of the sample bottle 9. In this process, the solution is replenished manually or automatically, and the solution sample is continuously supplied to the sample bottle 9 through the replenishment port 1S 1.
Example 3:
a quantity of conducting liquid 7, optionally water, is first added to the tank, the level of the added water being optionally 10mm from the upper surface of the ultrasonic transducer 4. To the vial 9 is added a quantity of a sample of the solution to be nebulized, optionally 5 mL. The sample vial 9 is placed in the sample vial fixing structure 8 and fixed so that the sample vial is directly above the ultrasonic transducer 4. The air inlet pipeline 22 and the air outlet pipeline 23 of the sample bottle 9 are connected, and the liquid supplementing ports 1S1 and 2S1 are sealed by rubber caps and are opened again when liquid supply is needed. The lead-out connector of the ultrasonic transducer 4 is connected with the external connector 15 of the ultrasonic transducer, and the main power connector 15 of the device is connected to an external power supply. When the control button 1 is pressed, the atomization module and the temperature control module start to work simultaneously. The inclination angle of the sample is adjusted by adjusting the angle adjustable knob 11, and the optional angle is 30 degrees relative to the central axis. And adjusting the three-axis displacement sliding table 12 again, wherein the adjustable range is 0-50mm, the atomization effect of the samples in the N1 and N2 sample bottles 9 is observed through continuous adjustment, and when the best effect is achieved, the adjustment of the three-axis displacement sliding table 12 is stopped, and the three-axis position is locked. The gas is provided by a gas A steel cylinder 20 and a gas B steel cylinder 25 of a gas supply device, an optional gas source is nitrogen, the gas flow rate is controlled by gas regulating valves 21 and 26, the gas flow rate can be 200sccm, and the nitrogen gas enters the N1 sample bottle 9 through an A gas inlet pipeline 22 and a 1A1 gas inlet of the N1 sample bottle 9. The solution sample in the N1 sample bottle 9 forms aerosol with the size of micron order after being atomized by the high-frequency ultrasonic wave generated by the ultrasonic transducer 4. And then conveyed to a nozzle or other positions through the outlet pipeline 23 through the outlet port 1A2 of the N1 sample bottle 9. In this process, the solution sample can be continuously supplied to the N1 sample vial 9 through the solution replenishment port 1S1 by manual or automatic control. Nitrogen gas was admitted to the N2 vial 9 through the B gas inlet line 26 via the 2a1 gas inlet of the N2 vial 9. The solution sample in the N2 sample bottle 9 forms aerosol with the size of micron order after being atomized by the high-frequency ultrasonic wave generated by the ultrasonic transducer 4. And then conveyed to a nozzle or other positions through the outlet pipeline 27 through the outlet port 2A2 of the N2 sample bottle 9. In this process, the solution is replenished manually or automatically, and the solution sample is continuously supplied to the N2 sample bottle 9 through the replenishment port 2S 1.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.