CN202410908U - Ultrasonic atomization device - Google Patents

Abstract

The utility model relates to an ultrasonic atomization device which comprises an atomization chamber, a liquid storage chamber, an electromagnetic valve, a sensor, a liquid adding nozzle, an air source and a connection pipeline, wherein the atomization chamber is provided with a liquid inlet, an air inlet and an atomized air outlet, the air inlet is externally connected with the air source, the bottom of the atomization chamber is provided with a piezoelectric ceramic transducer, the upper part of the atomization chamber is provided with an atomized air flow catch, the upper part of the liquid storage chamber is provided with a liquid adding opening, the lower part of the liquid storage chamber is provided with a liquid outlet, the liquid adding opening is connected with the liquid adding nozzle, the liquid outlet is connected with the inlet end of the electromagnetic valve through the connection pipeline, the electromagnetic valve receives a control signal of a control system to complete the liquid adding operation, the sensor comprises a low-position sensor and a high-position sensor which are arranged at the bottom of the atomization chamber and are respectively used for calibrating the minimum liquid level height and the maximum liquid level height allowed by the liquid in the atomization chamber, and the detection signals of the low-position sensor and the high-position sensor are received and transmitted to the external control system. According to the ultrasonic atomization device, automatic liquid adding is realized, the liquid level height of the liquid in the atomization device can be more accurately controlled, large-granularity droplets can be blocked, the granularity of the output atomized air can be greatly reduced, the air flow is stable and continuous, and the atomization efficiency is remarkably improved.

Description

A kind of ultrasonic atomizing device

Technical field

The utility model relates to a kind of ultrasonic atomizing device.

Background technology

The atomizing of liquid be liquid under the effect of external energy, become the physical process of liquid mist or other little droplet.Atomization of liquid method is varied, representative mainly contains direct heating atomization, mechanical atomization, medium atomization, special nozzle atomizing etc.Problems such as directly heating atomization exists grain graininess big, and energy consumption is high, and is wayward.Mechanical atomization mainly is that the high-speed jet of leaning on liquid under the pressure differential effect, to produce makes liquid atomized.The droplet particle that mechanical atomization obtains directly heating atomization has had obvious reduction, and the mist droplet particle size that new type nozzle obtains can reach 50-70um.Ultrasonic atomization is as a kind of mode of special nozzle atomizing; Be to utilize supersonic gas to flow into resonator to produce high frequency pressure waves, this ripple passes to liquid surface and causes that vibrations produce ultrasonic wave, so drop from surface isolation, fragmentation; Pass through regulating frequency; Can obtain more tiny droplet, theoretical granularity can reach several microns, has problems such as efficient is lower, output is stable inadequately but have atomising device now.Can the stability of the atomization quantity output of ultrasonic atomization be closely related with the height of atomizer liquid level with nebulization efficiency, improve the efficient of ultrasonic atomizatio and provide a kind of device stable, that can comparatively accurately control the atomizing flow extremely important for the industrial applications of ultrasonic atomizatio.

The utility model content

The technology of the utility model is dealt with problems: a kind of ultrasonic atomizing device is provided; This atomising device can be realized automatic liquid feeding; More accurately control the liquid level of liquid in the atomizer, the coarsegrain droplet is stopped that output atomization gas granularity reduces greatly; Steady air current, continuous, nebulization efficiency significantly improves.

The technical solution of the utility model: a kind of ultrasonic atomizing device comprises: spray chamber, fluid reservoir, magnetic valve, sensor, liquid feeding mouth, source of the gas and connection pipeline; Described spray chamber is provided with inlet, air-supply import and atomization gas outlet, and the import of wherein blowing is circumscribed with source of the gas; Piezoelectric ceramic transducer is installed in bottom at spray chamber, and piezoelectric ceramic transducer is connected with the control system; Atomization gas air-flow catch is installed on the top of spray chamber; Described fluid reservoir top is provided with filling opening, and the bottom is provided with liquid outlet, and filling opening links to each other with the liquid feeding mouth, and liquid outlet links to each other with the magnetic valve input through connecting pipeline, and magnetic valve is accepted the control signal of control system and accomplished the liquid feeding operation; The magnetic valve output is connected with inlet through connecting pipeline; Described sensor is made up of lower position sensor and high position sensor; Be installed in the bottom of spray chamber; Be respectively applied for and demarcate minimum level height that the atomizing indoor liquid allows and high level, the detectable signal of lower position sensor and high position sensor is sent to the control system.

The utility model advantage compared with prior art is:

(1) the utility model can be realized automatic liquid feeding, more accurately controls the liquid level of liquid in the atomizer, and nebulization efficiency significantly improves;

(2) the coarsegrain droplet of the utility model atomization gas is stopped, output atomization gas granularity reduces greatly, steady air current, continuous.

Description of drawings

Fig. 1 is the structural representation of the utility model.

The specific embodiment

As shown in Figure 1, the utility model embodiment comprises spray chamber 101, device for storing liquid 102, magnetic valve 103, sensor, source of the gas 116, liquid feeding mouth 105 and connects pipeline 106.Spray chamber 101 is made up of cylinder and the cone that is positioned on the cylinder.On the side of the cylinder of atomizer chamber 101, be respectively equipped with inlet 111 and air-supply import 112, air-supply import 112 is circumscribed with source of the gas (fan) 116.The bottommost of spray chamber 101 is equipped with piezoelectric ceramic transducer 115, and piezoelectric ceramic transducer adopts piezoelectric ceramic wafer in the present embodiment, and piezoelectric ceramic transducer 115 is connected with drive circuit; In the cone bottom of atomizer main body 101 atomization gas air-flow catch 114 is installed.The cone topmost of atomizer main body 101 is provided with atomization gas outlet 113, and atomization gas outlet 113 is connected to the outside through connecting pipeline 106; Device for storing liquid 102 is made up of liquid storing barrel 121 and the liquid storing barrel support 122 that supports liquid storing barrel 121; Liquid storing barrel 121 tops are provided with filling opening, and seal cover is arranged on the filling opening, during liquid feeding seal cover are outwarded winding; Filling opening links to each other with liquid feeding mouth 105; Liquid feeding mouth 105 is used for adding liquid to be atomized to liquid storing barrel 121, the bottom be provided with liquid outlet through liquid storing barrel support 122 be connected pipeline 106 and link to each other with magnetic valve 103 inputs, magnetic valve 103 is the closed type magnetic valve; Magnetic valve 103 is accepted the control of control system, accomplishes automatically by the liquid feeding operation of device for storing liquid 102 to spray chamber 101.Magnetic valve 103 outputs are connected with inlet 111.Sensor is made up of lower position sensor 141 and high position sensor 142; Be installed in the bottommost of atomizer main body 101 cylinders respectively; Be used to demarcate liquid allow in the spray chamber 101 minimum level height and high level, the detectable signal of lower position sensor 141 and high position sensor 142 is sent to the control system.

The course of work of the utility model is: add liquid, the seal cover of the liquid storing barrel 121 of screwing through liquid feeding mouth 105 to liquid storing barrel 121 in advance.Lower position sensor 141 is used to demarcate the highest and extreme lower position that liquid levels allows in the spray chamber 101 with high position sensor 142;, liquid level position feeds back to the control system when exceeding; Control system opens solenoid valve 103 when the liquid levels position in the atomizer main body 101 is lower than the minimum level height and position of setting, liquid joins in the cylinder of atomizer main body 101 through pipeline 106; When the liquid levels position in the atomizer main body 101 was higher than the high level position of setting, control system closing magnetic valve 103 stopped liquid feeding, and the liquid level of keeping liquid in the atomizer main body 101 through said process is in setting range.Piezoelectric ceramic transducer 115 energisings that are connected with drive circuit are started working; Piezoelectric ceramic transducer 115 produces vibration, through the high-frequency resonant of piezoelectric ceramic transducer 115, liquid is broken up; Produce atomization gas; Coarsegrain droplet in the atomization gas is atomized entraining air stream catch 114 to be stopped, avoids directly discharging with atomization gas, assembles and flows back in the cylindrical shell of atomizer main body 101; Source of the gas (fan) 116 blasts flowing gas through air intake import 112, and this gas mixes with atomization gas and forms mixed aerosol gas and then get into pipelines 106 through atomization gas outlet 113.Repeat said process, when magnetic valve 103 is opened when not having liquid can't continue to accomplish the liquid feeding operation in the liquid storing barrel 121 of back, the 141 outside transmission of lower position sensor can't the liquid feeding signal, and it is additional that the staff utilizes liquid feeding mouth 105 to carry out liquid.

Claims (1)

1. a ultrasonic atomizing device is characterized in that comprising: spray chamber (101), fluid reservoir (102), magnetic valve (103), sensor, liquid feeding mouth (105), source of the gas (116) and connection pipeline (106); Described spray chamber (101) is provided with inlet (111), air-supply import (112) and atomization gas outlet (113), and the import (112) of wherein blowing is circumscribed with source of the gas (116); Piezoelectric ceramic transducer (115) is installed in bottom at spray chamber (101), and piezoelectric ceramic transducer (115) is connected with the control system; On the top of spray chamber (101) atomization gas air-flow catch (114) is installed; Described fluid reservoir (102) top is provided with filling opening; The bottom is provided with liquid outlet; Filling opening links to each other with liquid feeding mouth (105), and liquid outlet links to each other with magnetic valve (103) input through connecting pipeline (106), and magnetic valve (103) is accepted the control signal of control system and accomplished the liquid feeding operation; Magnetic valve (103) output is connected with inlet (111) through connecting pipeline (106); Described sensor is made up of lower position sensor (141) and high position sensor (142); Be installed in the bottom of spray chamber (101); Be respectively applied for and demarcate minimum level height that interior the liquid of spray chamber (101) allows and high level, the detectable signal of lower position sensor (141) and high position sensor (142) is sent to the control system.