WO2021031187A1 - 一种针式振动雾化装置及扩香仪 - Google Patents

一种针式振动雾化装置及扩香仪 Download PDF

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Publication number
WO2021031187A1
WO2021031187A1 PCT/CN2019/101976 CN2019101976W WO2021031187A1 WO 2021031187 A1 WO2021031187 A1 WO 2021031187A1 CN 2019101976 W CN2019101976 W CN 2019101976W WO 2021031187 A1 WO2021031187 A1 WO 2021031187A1
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WO
WIPO (PCT)
Prior art keywords
needle
stainless steel
atomization device
sheet
roller
Prior art date
Application number
PCT/CN2019/101976
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English (en)
French (fr)
Inventor
刘标奇
郑云舫
Original Assignee
深圳市乐而信科技服务有限公司
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Filing date
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Application filed by 深圳市乐而信科技服务有限公司 filed Critical 深圳市乐而信科技服务有限公司
Priority to PCT/CN2019/101976 priority Critical patent/WO2021031187A1/zh
Priority to CN201990000196.0U priority patent/CN211190645U/zh
Priority to US17/002,917 priority patent/US11344906B2/en
Publication of WO2021031187A1 publication Critical patent/WO2021031187A1/zh

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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
    • B05B17/0653—Details
    • 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
    • B05B17/0623—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 coupled with a vibrating horn
    • B05B17/063—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 coupled with a vibrating horn having an internal channel for supplying the liquid or other fluent material
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
    • A61L9/04—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air without heating
    • A61L9/12—Apparatus, e.g. holders, therefor
    • A61L9/122—Apparatus, e.g. holders, therefor comprising a fan
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/14—Disinfection, sterilisation or deodorisation of air using sprayed or atomised substances including air-liquid contact processes
    • 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
    • B05B17/0653—Details
    • B05B17/0676—Feeding means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/0012—Apparatus for achieving spraying before discharge from the apparatus
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/10—Apparatus features
    • A61L2209/11—Apparatus for controlling air treatment
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/10—Apparatus features
    • A61L2209/13—Dispensing or storing means for active compounds
    • A61L2209/132—Piezo or ultrasonic elements for dispensing

Definitions

  • This application relates to the technical field of essential oil atomization equipment, and in particular to a needle-type vibration atomization device and a diffuser that directly atomize essential oils, which can directly atomize essential oils into fine particles and diffuse them.
  • Essential oil aromatherapy atomization programs are generally divided into water-containing aroma diffusers and non-aqueous aroma diffusers.
  • the water-containing aroma diffuser generates water mist through the vibration of piezoelectric ceramics.
  • Essential oils are added to the water and diffuse into the space with the water mist.
  • the application of aromatherapy machine is very mature and common, but because it needs a large water tank, it is inconvenient for users to use, and the water tank contains essential oils that are difficult to clean.
  • the diffuser does not require water, and uses the direct atomization scheme of essential oils.
  • the above method has two main disadvantages: one is the loud noise of the venturi nozzle, and the other is difficult to accurately control the flow rate of the atomization. The flow rate of liquids with different viscosities under the same working condition varies greatly, and the difference can be several tens of times at most.
  • Another essential oil atomization scheme is to use microporous piezoelectric ceramics, to open tens to hundreds of micrometers in the stainless steel plate.
  • the piezoelectric ceramics drive the stainless steel plate to vibrate, and the micropores on the stainless steel plate throw out the essential oil to form The atomized particles diffuse into the external space.
  • This method also has two main disadvantages: one is that the micropores are easily blocked and are not suitable for very viscous essential oils; the other is that the liquid flows into the atomization position by its own weight, which makes it difficult to precisely control the amount of atomization of the essential oil.
  • the main purpose of this application is to use a new and efficient atomization method to provide a needle-type vibration atomization device and a diffuser that directly atomize essential oils.
  • this application proposes a needle type brake atomization device, the needle type vibration atomization device includes:
  • a base the base is provided with a reciprocating air duct
  • Cover plate covering the base
  • the stainless steel needle is provided with a flow channel, the connection between the needle head and the needle tail of the stainless steel needle is provided with a sealing device, the needle head of the stainless steel needle extends into the reciprocating air channel, and the stainless steel needle The needle tail receives the liquid to be atomized;
  • a sheet-shaped elastic body, the sheet-shaped elastic body is disposed on the base, and the sheet-shaped elastic body includes a piezoelectric ceramic sheet and a stainless steel sheet;
  • the piezoelectric ceramic sheet is attached to the stainless steel sheet, and the stainless steel needle is connected to the stainless steel sheet.
  • the piezoelectric ceramic sheet vibrates, the vibration is transmitted to the stainless steel needle through the stainless steel sheet, and high-frequency vibration is generated at the needle head, thereby causing The liquid at the needle is atomized.
  • the reciprocating air duct includes a cavity, a partition, an inner cavity, and a mist outlet; the cavity is provided with an air inlet; the cavity is connected to the inner cavity through the partition The partition is provided with an opening to allow the cavity to communicate with the inner cavity; the inner cavity is provided with a communication port communicating with the mist outlet pipe, and the communication port is provided with an arc-shaped plug.
  • a further technical solution is that the inner cavity and the mist outlet pipe are arranged in parallel.
  • the needle-type vibrating atomization device further includes a fan, the fan is arranged on the base, and the air outlet of the fan faces the air inlet of the cavity so as to face the air inlet of the cavity. Air supply; the suction port of the fan is located on one side of the stainless steel sheet.
  • the needle-type vibrating atomization device further includes a pressing block provided at the needle tail of the stainless steel needle, so that the stainless steel needle is fixed to the base.
  • an aroma diffuser which includes:
  • the needle type vibrating atomization device as described in the first aspect
  • a roller-type peristaltic pump which is used to deliver liquid to the needle-type vibrating atomization device.
  • roller-type peristaltic pump includes a pump tube, and the pump tube is connected with the stainless steel needle.
  • a container the container includes a bottle body, the bottle body is connected to the base, and the bottle body is used for containing liquid:
  • the roller-type peristaltic pump further includes a suction tube inserted into the bottle body, and when the roller-type peristaltic pump is working, the liquid in the bottle body is drawn and transported to the stainless steel through the suction tube. needle.
  • the driving circuit board is electrically connected with the roller type peristaltic pump and the needle type vibrating atomization device respectively.
  • the driving circuit board includes a PCB board, a single-chip microcomputer arranged on the PCB board, at least two plug-in interfaces, and at least one control button; the PCB board is connected to each other through a plug-in interface.
  • the roller type peristaltic pump and the needle type vibrating atomization device are electrically connected.
  • the needle-type vibrating atomization device mainly includes a reciprocating air duct, a stainless steel needle, and a sheet-shaped elastic body arranged on a base; the needle tail of the stainless steel needle receives the liquid to be atomized and makes the liquid flow to the needle through the flow channel; The high-frequency vibration generated by the shaped elastic body atomizes the liquid at the needle exit, and then diffuses through the reciprocating air duct to achieve atomization.
  • the flow channel of the stainless steel needle is not affected by the viscosity of the liquid, and is suitable for atomization of various liquids.
  • the diffuser provided by this application mainly includes a needle-type vibrating atomization device and a roller-type peristaltic pump; the roller-type peristaltic pump can extract essential oil and deliver it to the needle of the stainless steel needle. It can also be reversed before shutting down and withdraw the stainless steel needle.
  • Essential oil to prevent clogging of needles.
  • the sheet-shaped elastic body generates high-frequency vibration at the needle position through the oscillation of the piezoelectric ceramic sheet, thereby directly atomizing the essential oil of the needle, and spreading the atomized essential oil through the reciprocating air duct.
  • This application can accurately control the consumption of essential oils, the entire product structure is simplified, maintenance is simple, and the noise is low, and it is suitable for use in quiet environments such as bedrooms and hospital beds, thereby improving user experience.
  • Figure 1 is an appearance diagram of a diffuser for directly atomizing essential oils in this application
  • Fig. 2 is a schematic diagram of an exploded structure of the fragrance diffuser of Fig. 1;
  • FIG. 3 is an overall structure diagram of the roller type peristaltic pump 10 in FIG. 2;
  • FIG. 4 is an exploded structure diagram of the roller type peristaltic pump 10 of FIG. 3;
  • FIG. 5 is an overall structure diagram of the needle type vibration atomization device 20 provided by this application.
  • FIG. 6 is a schematic diagram of an exploded structure of the needle-type vibrating atomization device 20 of FIG. 5;
  • FIG. 7 is a schematic diagram of an exploded structure of the sheet-shaped elastic body 22 in FIG. 6;
  • FIG. 8 is a schematic diagram of the vibration of the sheet-shaped elastic body 22
  • Fig. 9 is a schematic diagram of the reciprocating air duct of the base 21;
  • FIG. 10 is a schematic diagram of the driving circuit board 30
  • FIG 11 is a schematic diagram of the housing 40
  • the present application provides a needle-type vibrating atomization device.
  • the needle-type vibrating atomization device 20 includes:
  • the base 21 is used to support the entire device and is provided with a reciprocating air duct to blow out the atomized essential oil;
  • Cover plate 24 said cover plate 24 and base 21 together form a reciprocating air duct
  • the stainless steel needle 224 is provided with a flow channel, the connection between the needle 224A and the needle tail 224B of the stainless steel needle 224 is provided with a sealing device, and the needle 224A of the stainless steel needle extends into the reciprocating air channel
  • the needle tail 224B of the stainless steel needle receives the liquid to be atomized; specifically, the needle head 224A of the stainless steel needle 224 is provided with a needle sealing ring 226, and the needle tail 224B of the stainless steel needle is provided with a needle tail sealing tube 227; the needle sealing ring 226 Insert the needle head 224A of the stainless steel needle and connect it with the reciprocating air duct; the needle tail sealing tube 227 is inserted into the needle tail 224B of the stainless steel needle 224 to realize the sealing of liquid delivery;
  • the sheet-shaped elastic body 22 includes a piezoelectric ceramic sheet 221, a stainless steel sheet 222, a stainless steel column 223, a bracket 225 and a lead 229.
  • the piezoelectric ceramic sheet 221 is pressed on the stainless steel sheet 222 with conductive silver glue at a high temperature to be fixed together.
  • the stainless steel column 223 is laser welded to the stainless steel sheet 222, and then the entire assembly is mounted on the bracket 225.
  • One pole of the lead wire 229 is welded to the center position 221A of the piezoelectric ceramic sheet 221, and the other pole is welded to the tail 223A of the stainless steel column 223.
  • the lead wire is connected to a power source to drive the piezoelectric ceramic sheet 221 to generate high frequency vibration.
  • the needle-type vibrating atomization device further includes a pressing block 228, which is arranged on the needle tail 224B of the stainless steel needle to fix the stainless steel needle 224 to The base 21 and the pressing block 228 press the needle tail 224B.
  • FIG. 8 is a schematic diagram of vibration of the sheet-shaped elastic body 22.
  • the high-frequency signal generated by the power supply drives the piezoelectric ceramic sheet 221 to vibrate high-frequency radially through the lead 229, as shown by the dotted arrow in the figure.
  • the vibration takes the stainless steel column 223 as the central dead center. Since the stainless steel sheet 222 is not symmetrical in the center, but there is a sharp corner 222A at the welding stainless steel needle 224, so 222A is the maximum point of the stainless steel sheet radial amplitude.
  • the vibration of 222A will drive the stainless steel needle 224 to vibrate up and down together.
  • the amplitude of the needle head 224A and the needle tail 224B is the largest, as shown by the dotted arrow in the figure. Since the needle tail sealing tube 227 is pressed by the pressing block 228, the needle tail 224B bears significantly greater resistance than the needle sealing ring 226, so the amplitude of the needle 224A position is further amplified. In summary, the amplitude of the sheet-shaped elastic body 22 is the largest at the position 224A.
  • the mechanical energy generated by the vibration of the piezoelectric ceramic sheet 221 is concentrated and amplified at the position of the needle 224A, thereby shaking the liquid at the position of the needle 224A at high frequency. Go out to form a mist of fine particles, thus realizing the direct atomization of the liquid.
  • the reciprocating air duct includes a cavity, a partition 211, an inner cavity 212, and a mist outlet tube 213; the cavity is provided with an air inlet; the cavity passes through the partition 211 and The inner cavity 212 is separated, and the partition 211 is provided with an opening to allow the cavity to communicate with the inner cavity 212; the inner cavity 212 is provided with a communication port communicating with the mist outlet tube 213, and the communication The mouth is provided with an arc plug 25. The plug 25 is glued to the communication port to form a reciprocating air duct.
  • mist outlet pipe 213 and the inner cavity 212 are platform-arranged to form a U-shaped air duct.
  • the outlet connection of the mist outlet pipe 213 is provided with a mist outlet sealing ring 214 to ensure that the atomized liquid does not penetrate into other places of the device, and to ensure the sealing and cleanness of the device.
  • the needle-type vibrating atomization device further includes a fan 23, the fan 23 is disposed on the base 21, and the air outlet 232 of the fan 23 is directly opposite to the air inlet of the cavity to enter the cavity.
  • the air outlet delivers air; the air inlet 231 of the fan is located on one side of the stainless steel sheet.
  • the fan 23 is a centrifugal fan.
  • the air suction port 231 is arranged on one side of the stainless steel sheet 222 to facilitate heat dissipation of the sheet-shaped elastic body 22.
  • the air outlet 232 is directly opposite to the air inlet of the cavity, and the air blown by the fan 23 passes back and forth. After the air duct, the atomized essential oil is blown out to the external space; further, the cover plate 24 is also used to cover the fan 23 so that the air blown by the fan 23 flows in a preset direction.
  • FIG. 9 is a schematic diagram of the reciprocating air duct of the base 21.
  • the air outlet 232 of the fan 23 blows air into the cavity between the base 21 and the cover 24, goes up through the partition 211, then goes down through the inner cavity 212, goes in after the plug 25, and then goes through the mist pipe 213 On the blower.
  • the needle sealing ring 226 of the sheet-shaped elastic body 22 is inserted into the side wall of the mist tube 213 to achieve a reliable seal, and the needle 224A is inserted into the inside of the mist tube 213.
  • the atomized essential oil at the needle 224A in the mist outlet tube 213 is blown out by the wind to the outside space, and the mist outlet sealing ring 214 achieves reliable sealing with other components.
  • the reciprocating air duct because the air duct reciprocates up and down many times, plus the reliable sealing of the needle sealing ring 226 and the mist outlet sealing ring 214, can effectively isolate the atomized liquid from returning to the inside of the device and ensure cleanliness.
  • the wind resistance of this reciprocating air duct is relatively large, so the fan 23 needs to use a centrifugal fan.
  • Figure 1 is an external view of an aroma diffuser capable of directly atomizing essential oils in this application.
  • the exploded structure diagram of the aroma diffuser described in Figure 2 includes:
  • the needle-type vibrating atomization device 20 includes a sheet-shaped elastic body 22 and a stainless steel needle 224 provided with a flow channel; under the vibration of the sheet-shaped elastic body 22, the received The liquid is vibrated and atomized by the needle 224A in the stainless steel needle 224, and blown out by the fan 23 to diffuse into the space;
  • the roller-type peristaltic pump 10 is used to pump essential oils or other liquids to the needle-type vibrating atomization device 20, and can precisely control the consumption of the liquid.
  • the roller peristaltic pump 10 includes a pump tube 15 connected to the stainless steel needle 224.
  • the outlet 151 of the pump tube 15 is connected to the needle tail sealing tube 227, and the roller-type peristaltic pump 20 extracts essential oil and delivers it to the needle tail 224B of the stainless steel needle 224, and then passes through the flow channel of the stainless needle 224 to the needle head 224A of the stainless steel needle 224. .
  • the fragrance diffuser also includes: a container, the container includes a bottle body, the bottle body is threadedly connected with the base 21, the bottle body is used for containing liquid; the roller type peristaltic pump 10 also includes liquid suction Tube 27, the suction tube 27 is inserted into the inside of the bottle, and the roller-type peristaltic pump 10 draws liquid from the bottle through the suction tube 27 and delivers it to the stainless steel needle 224 during operation.
  • the body of the container is an essential oil bottle 26, the essential oil bottle 26 is used to store essential oils; the suction tube 27 is used to output essential oils, and is connected to the pump tube 15 of the roller peristaltic pump 10 The entrance 152.
  • the atomized liquid may be essential oil, perfume or other liquid syrup.
  • the combination of the roller type peristaltic pump 10 and the needle type vibrating atomization device 20 can achieve direct atomization of essential oils.
  • the solution may also include a drive circuit board 30 and a housing 40 for controlling the atomization effect.
  • the drive circuit board 30 and the housing 40 are briefly described below:
  • the driving circuit board 30 is electrically connected to the roller type peristaltic pump 10 and the needle type vibrating atomization device 20 respectively.
  • the driving circuit board 30 can drive the roller-type peristaltic pump 10 to work, drive the piezoelectric ceramic sheet 221 in the needle-type vibrating atomization device 20 and control the fan 23, and can realize on-off, timing and gear control.
  • the driving circuit board 30 includes a PCB board, a single-chip microcomputer 31 arranged on the PCB board, at least two plug-in interfaces, and at least one control button; the PCB board communicates with the PCB through a plug-in interface respectively.
  • the roller-type peristaltic pump 10 and the needle-type vibrating atomization device 20 are electrically connected.
  • the housing 40 includes a top cover 42, an outer cover, and decorative parts.
  • the roller-type peristaltic pump 10 is mainly used to extract essential oil and deliver it to the needle-type vibrating atomization device 20, so as to achieve precise control of the consumption of the essential oil. It can also be reversed before shutting down to turn the needle-type vibrating atomization device
  • the essential oil in 20 is pumped back to the essential oil bottle.
  • the sheet-like elastic body 22 in the needle-type vibrating atomization device 20 generates the maximum amplitude on the needle 224A of the stainless steel needle 224 under the vibration of the piezoelectric ceramic sheet 221, thereby atomizing the essential oil and blowing it into the external space through a fan .
  • the sheet-shaped elastic body 22 and the fan 23 in the roller type peristaltic pump 10 and the needle type vibrating atomization device 20 are all low-noise, so the noise of the diffuser can be lower than 35dB, which can be used in bedrooms and wards. Wait for operation in a quiet environment.
  • the roller type peristaltic pump 10 and the needle type vibrating atomization device 20 used in the diffuser are equipped with sealing devices, both of which realize the complete isolation of external components and essential oils, so the user is convenient to use and easy to clean. .
  • precise control of the essential oil consumption can be achieved, and at the same time, the timing control of atomization can be achieved, thereby improving the user experience.
  • FIG. 3 is an overall structure diagram of the roller type peristaltic pump 10 in FIG. 2, and FIG. 4 is an exploded structure diagram of FIG. 3.
  • the roller peristaltic pump 10 includes a motor 11, a reduction box 12, a bracket 13, a roller 14, a pump tube 15, a pump body 16, a pump cover 17, a housing 18, and a lead 19.
  • the general speed of the motor 11 is 10000RPM, and the speed is reduced to 10-30RPM through a gearbox 12 with a high reduction ratio. After the motor 11 is decelerated by the reduction box 12, it drives the support 13 to rotate.
  • the roller 14 is installed on the bracket and rotates with the bracket 13, and the roller 14 compresses the pump tube 15 toward the direction of the outlet 151, from which the essential oil in the pump tube is extruded to the direction of the outlet 151. At the same time, after the roller 14 is compressed, the subsequent pump tube 15 will rebound, thereby forming a negative pressure and sucking essential oil from the direction of the inlet 152. In this way, the bracket 13 rotates repeatedly to drive the roller 14 to repeatedly compress the pump tube 15 so that the essential oil is continuously delivered from the inlet 152 to the outlet 151.
  • the pump body 16, the pump cover 17 and the casing 18 play a structural support role, and the lead 19 connects the positive and negative poles of the motor 11 to the drive circuit board 30.
  • the roller 14 itself can also rotate, thereby avoiding the roller 14 from directly rubbing the pump tube 15 and greatly improving the service life of the pump tube 15.
  • the number of rollers 14 is generally an odd number, and there are five in the figure in this embodiment. In specific embodiments, there may be 3, 7, or 9 or more. However, an increase in the number of rollers 14 will significantly increase the complexity of the structure, and too few rollers will cause the flow rate of the roller peristaltic pump 10 to be unstable.
  • the driving circuit board 30 realizes the reverse connection of the positive and negative electrodes of the motor 11 through the circuit, which can realize the reverse rotation of the roller-type peristaltic pump and pump the essential oil from the outlet 151 back to the inlet 152.
  • the drive circuit board 30 can also control the drive voltage of the motor, and further reduce the rotation speed of the roller peristaltic pump by means of a step-down drive, so as to control the flow rate.
  • FIG. 10 is a schematic diagram of the driving circuit board 30.
  • the single-chip microcomputer 31 generates a high-frequency signal, and connects the piezoelectric ceramic sheet 221 through the power amplifier chip 32 through the lead 229 to drive the sheet-shaped elastic body 20 to vibrate, and the amplitude of the needle 224A is the largest, thereby atomizing the essential oil.
  • the single-chip microcomputer 31 is also connected to the motor 11 through the lead 19 to drive the roller-type peristaltic pump 10 to absorb the essential oil, output it to the needle tail sealing tube 227 of the sheet-shaped elastic body 22, and further transport it to the needle 224A.
  • the single-chip 31 can be reversely connected to the positive and negative electrodes of the motor 11, so as to reverse the roller-type peristaltic pump 10 before shutting down, and withdraw the essential oil from the sheet-shaped elastic body 20, thereby avoiding the essential oil from blocking the needle 224A during shutdown.
  • the single-chip computer 31 can also control the fan 23.
  • the microcontroller 31 can also control three touch buttons, namely the switch 33, the timing 34 and the gear 35, so as to control the startup, shutdown, timing setting and gear size setting of the entire device.
  • the driving circuit board 30 also includes other necessary peripheral circuits and power control.
  • FIG. 11 is a schematic diagram of the housing 40.
  • the housing 40 includes a bottom plate 41, a top cover 42, a decorative part 43, and the like.
  • the top cover 42 has three touch areas corresponding to the touch buttons 33, 34 and 35 of the drive circuit board 30, and the top cover is also reliably sealed with the mist outlet sealing ring 214 .
  • the solution of the housing 40 can be transformed into different decorative parts and other design solutions according to the appearance design not used by the user.

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Special Spraying Apparatus (AREA)
  • Reciprocating Pumps (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

一种针式振动雾化装置(20)及扩香仪，涉及雾化技术领域。针式振动雾化装置(20)包括设于底座(21)的往复式风道、不锈钢针(224)及片状弹性体(22)；不锈钢针(224)的针尾(224B)接收待雾化的液体并使液体经过流道流向针头(224A)；片状弹性体(22)产生的高频振动使针头(224A)出口的液体雾化，再经过往复式风道进行扩散，从而实现雾化。扩香仪包括针式振动雾化装置(20)及滚轮式蠕动泵(10)；滚轮式蠕动泵(10)抽取精油输送到不锈钢针(224)的针头(224A)，并在关机前反转，抽回不锈钢针(224)内的精油，防止针头(224A)堵塞。片状弹性体(22)使针头(224A)位置产生高频振动，从而实现雾化，再通过往复式风道进行扩散。针式振动雾化装置(20)能精准控制精油的消耗量，整个产品结构精简，维护简单，噪音小，适合于卧室，病床等安静环境中使用，从而提高用户体验。

Description

一种针式振动雾化装置及扩香仪 技术领域
本申请涉及精油雾化设备技术领域，尤其涉及一种直接雾化精油的针式振动雾化装置及扩香仪，能够直接将精油雾化成细微颗粒并扩散。
背景技术
精油的香薰雾化方案，一般分为含水的香薰机和不含水的扩香仪。含水的香薰机是通过压电陶瓷的振动产生水雾，精油加入到水中，随水雾扩散到空间。香薰机的应用已经十分成熟和普遍，但由于其需要一个大水箱，用户使用不便，且水箱含有精油难以清洗，另外，对不溶于水的精油，精油雾化量难以控制。因此，越来越多的用户希望改用不含水的扩香仪。
扩香仪不需要用水，采用直接雾化精油的方案。目前，市面上常用的有两种。一种是利用文丘里原理，压缩空气在文丘里喷嘴处产生负压，抽出液体并在喷嘴处雾化，通过螺旋风道，小颗粒雾状物被空气吹出，扩散到外部空间，而大颗粒的液滴则顺着螺旋风道回流到精油瓶内。上述方式存在两个主要缺点：一则文丘里喷嘴的噪音大，二则难以精确控制雾化的流量，不同粘度的液体在同样工况下流量差别很大，最高可以相差几十倍。另一种精油雾化方案是采用微孔压电陶瓷片，在不锈钢片开几十至几百个微米级别的微孔，压电陶瓷片带动不锈钢片振动，不锈钢片上微孔甩出精油，形成雾化颗粒扩散到外部空间。这种方法也存在两个主要缺点：一是微孔容易被堵塞，并不适合于很粘稠的精油，二是靠液体自重流入雾化位置，难以精确控制精油的雾化量。
鉴于此，有必要对目前的扩香仪做出进一步的改进。
申请内容
为解决上述至少一技术问题，本申请的主要目的是使用新型高效的雾化方式，提供一种直接雾化精油的针式振动雾化装置及扩香仪。
为实现上述目的，本申请采用以下技术方案：
第一方面，本申请提出一种针式制动雾化装置，所述针式振动雾化装置包括：
底座，所述底座设有往复式风道；
盖板，盖于所述底座；
不锈钢针，所述不锈钢针设有流道，所述不锈钢针的针头及针尾的连接处均设有密封装置，所述不锈钢针的针头伸入所述往复式风道，所述不锈钢针的针尾接收待雾化的液体；
片状弹性体，所述片状弹性体设置于所述底座，所述片状弹性体包括压电陶瓷片及不锈钢片；
所述压电陶瓷片与不锈钢片相贴合，所述不锈钢针与所述不锈钢片连接，压电陶瓷片振动时，振动通过不锈钢片传递至不锈钢针，并在针头产生高频振动，进而使针头处的液体雾化。
其进一步地技术方案为，所述往复式风道包括腔体、隔板、内腔以及出雾管；所述腔体设有进风口；所述腔体通过所述隔板与所述内腔分隔，所述隔板设有开口，以使所述腔体与所述内腔连通；所述内腔设有与出雾管连通的连通口，所述连通口设有弧形堵头。
其进一步地技术方案为，所述内腔与所述出雾管平行设置。
其进一步地技术方案为，所述针式振动雾化装置还包括风机，所述风机设于底座，所述风机的出风口正对所述腔体的进风口以向所述腔体的进风口送风；所述风机的吸风口位于所述不锈钢片的一侧。
其进一步地技术方案为，所述针式振动雾化装置还包括压块，所述压块设置于不锈钢针的针尾，以使所述不锈钢针固定于所述底座。
第二方面，本申请还提供一种扩香仪，所述扩香仪包括：
如第一方面所述的针式振动雾化装置；
滚轮式蠕动泵，所述滚轮式蠕动泵用于向所述针式振动雾化装置输送液体。
其进一步地技术方案为，所述滚轮式蠕动泵包括泵管，所述泵管与所述不锈钢针连接。
其进一步地技术方案为，所述扩香仪还包括：
容器，所述容器包括瓶体，所述瓶体与所述底座连接，所述瓶体用于装盛液体：
所述滚轮式蠕动泵还包括吸液管，所述吸液管插入所述瓶体内部，所述滚轮式蠕动泵工作时通过所述吸液管抽取所述瓶体内的液体输送至所述不锈钢针。
其进一步地技术方案为，所述扩香仪还包括：
驱动电路板，所述驱动电路板分别与所述滚轮式蠕动泵、针式振动雾化装置电连接。
其进一步地技术方案为，所述驱动电路板包括PCB板以及设置于所述PCB板上的单片机、至少2个插接口以及至少1个控制按键；所述PCB板分别通过一所述插接口与所述滚轮式蠕动泵以及所述针式振动雾化装置电连接。
本申请提供的针式振动雾化装置主要包括设于底座的往复式风道、不锈钢针及片状弹性体；不锈钢针的针尾接收待雾化的液体并使液体经过流道流向针头；片状弹性体产生的高频振动使针头出口的液体雾化，再经过往复式风道进行扩散，从而实现雾化。不锈钢针的流道不受液体粘度的影响，适用于各种液体的雾化。
本申请提供的扩香仪主要包括针式振动雾化装置及滚轮式蠕动泵；滚轮式蠕动泵能够抽取精油，输送到不锈钢针的针头，也可以在关机前反转，抽回不锈钢针内的精油，防止针头堵塞。片状弹性体通过压电陶瓷片的振荡，在针头位置产生高频振动，从而直接雾化针头的精油，通过往复式风道扩散出去雾化后的精油。本申请能精准控制精油的消耗量，整个产品结构精简，维护简单，噪音小，适合于卧室，病床等安静环境中使用，从而提高用户体验。
附图说明
为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍。显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图示出的结构获得其他的附图。
图1为本申请一种直接雾化精油的扩香仪的外观图；
图2为图1所述扩香仪的分解结构示意图图；
图3为图2中滚轮式蠕动泵10的整体结构图；
图4为图3的滚轮式蠕动泵10的分解结构示意图；
图5为本申请提供的针式振动雾化装置20的整体结构图；
图6为图5的针式振动雾化装置20的分解结构示意图；
图7为图6中的片状弹性体22的分解结构示意图；
图8为片状弹性体22的振动示意图；
图9底座21的往复式风道的示意图；
图10为驱动电路板30的示意图；
图11为外壳40的示意图
本申请目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请的一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
需要说明，本申请中涉及“第一”、“第二”等的描述仅用于描述目的，而不能理解为指示或暗示其相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。另外，各个实施例之间的技术方案可以相互结合，但是必须是以本领域普通技术人员能够实现为基础，当技术方案的结合出现相互矛盾或无法实现时应当认为这种技术方案的结合不存在，也不在本申请要求的保护范围之内。
本申请提供的针式振动雾化装置及扩香仪由图1-图11所示。
参见图5-图9，本申请提供一种针式振动雾化装置，由图可知，该针式振动雾化装置20包括：
底座21，所述底座21用于支撑整个装置，并设有往复式风道，将雾化后的精油吹出去；
盖板24，所述盖板24和底座21一起形成往复式风道；
不锈钢针224，所述不锈钢针224设有流道，所述不锈钢针224的针头224A及针尾224B的连接处均设有密封装置，所述不锈钢针的针头224A伸入所述往复式风道，所述不锈钢针的针尾224B接收待雾化的液体；具体地，不锈钢针224的针头 224A设有针头密封圈226，不锈钢针的针尾224B设有针尾密封管227；针头密封圈226塞入不锈钢针的针头224A处，与往复式风道密封连接；针尾密封管227插入不锈钢针224的针尾224B，实现液体输送的密封；
片状弹性体22，所述片状弹性体22包括压电陶瓷片221，不锈钢片222，不锈钢柱223，支架225和引线229。压电陶瓷片221通过导电银胶高温压合在不锈钢片222上，从而固定在一起，不锈钢柱223通过激光焊接在不锈钢片222上，然后整个组件安装到支架225。引线229的一极焊接在压电陶瓷片221正中央位置221A，另外一极焊接在不锈钢柱223的尾部223A，引线接电源以驱动压电陶瓷片221产生高频振动。
可以理解，压电陶瓷片221振动时，振动通过不锈钢片222传递至不锈钢针224，并在针头224A产生高频振动，进而使针头224A处的液体雾化，再经过往复式风道扩散至外部。
进一步地，为使针头224A处的振幅最大，所述的针式振动雾化装置还包括压块228，所述压块228设置于不锈钢针的针尾224B，以使所述不锈钢针224固定于所述底座21，并使压块228压住针尾224B。
进一步的，请参照图8，图8为所述片状弹性体22的振动示意图。由电源产生的高频信号，通过引线229，驱动压电陶瓷片221高频径向振动，如图中虚线箭头所示。所述振动以不锈钢柱223为中心死点，由于不锈钢片222并不是中心对称，而是在焊接不锈钢针224位置有一个尖角222A，因此222A处为不锈钢片径向振幅最大点。222A的振动，会带动不锈钢针224一起上下振动，其中针头224A和针尾224B的振幅最大，如图中虚线箭头所示。针尾224B由于针尾密封管227被压块228压住，承受的阻力要明显大于针头密封圈226，因此针头224A位置的振幅被再一步放大。综上所述，所述片状弹性体22的振幅，在224A位置的振幅最大，压电陶瓷片221振动产生的机械能，被集中放大在针头224A位置，从而将针头224A位置的液体高频甩出去，形成细小颗粒雾状物，从而实现了液体的直接雾化。
在另一实施例中，所述往复式风道包括腔体、隔板211、内腔212以及出雾管213；所述腔体设有进风口；所述腔体通过所述隔板211与所述内腔212分隔，所述 隔板211设有开口，以使所述腔体与所述内腔212连通；所述内腔212设有与出雾管213连通的连通口，所述连通口设有弧形堵头25。所述堵头25用胶水粘接在所述连通口上，一起形成往复式风道。
进一步地，出雾管213与内腔212平台设置，构成一段U形的风道。出雾管213的出口连接处设有出雾口密封圈214，以确保雾化的液体不渗透进装置的其他地方，保证装置的密封、清洁。
进一步地，所述针式振动雾化装置还包括风机23，所述风机23设于底座21，所述风机23的出风口232正对所述腔体的进风口以向所述腔体的进风口送风；所述风机的吸风口231位于所述不锈钢片的一侧。
所述风机23为离心风机，吸风口231设置于不锈钢片222的一侧，便于给片状弹性体22散热，出风口232正对所述腔体的进风口，风机23吹来的空气通过往复式风道后，将雾化后的精油吹出到外部空间；进一步地，盖板24还用于盖住风机23，使风机23吹出的空气向预设方向流动。
请参照图9，图9为所述底座21的往复式风道的示意图。风机23的出风口232往底座21和盖板24之间的腔体内吹风，经过隔板211往上，再经过内腔212往下，经过堵头25后往里，再经过出雾管213往上吹风。片状弹性体22的针头密封圈226插入出雾管213侧壁，实现可靠密封，并将针头224A插入出雾管213内部。出雾管213内针头224A处雾化后的精油被风吹出去到外部空间，并由出雾口密封圈214实现与其他部件的可靠密封。所述往复式风道，由于风道上下往复多次，加上针头密封圈226和出雾口密封圈214的可靠密封，从而能有效隔离雾化后的液体回流到设备内部，保证清洁度。然而，这种往复式风道的风阻偏大，因此风机23需要选用离心风机。
请参照图1-图11，图1为本申请一种可直接雾化精油的扩香仪的外观图，图2所述扩香仪的分解结构示意图，其包括：
如上述的针式振动雾化装置20，所述针式振动雾化装置20包括片状弹性体22、设有流道的不锈钢针224；在片状弹性体22的振动下，可以将接收的液体通过不锈钢针224中的针头224A振动并实现雾化，通过风机23吹出去扩散到空间；
滚轮式蠕动泵10，所述滚轮式蠕动泵10用于抽取精油或其他液体输送至所述针 式振动雾化装置20，并可以精确控制液体的消耗量。
在一实施例中，所述滚轮式蠕动泵10包括泵管15，所述泵管15与所述不锈钢针224连接。
具体地，泵管15的出口151接针尾密封管227，滚轮式蠕动泵20抽取精油，输送至不锈钢针224的针尾224B，通过不锈钢针224的流道，输送到不锈钢针224针头224A处。
所述扩香仪还包括：容器，所述容器包括瓶体，所述瓶体与所述底座21螺纹连接，所述瓶体用于装盛液体；所述滚轮式蠕动泵10还包括吸液管27，所述吸液管27插入所述瓶体内部，所述滚轮式蠕动泵10工作时通过所述吸液管27抽取所述瓶体内的液体输送至所述不锈钢针224。
在本实施例中，所述容器的瓶体为精油瓶26，所述精油瓶26用于储存精油；所述吸液管27用于输出精油，并连接到滚轮式蠕动泵10的泵管15的入口152。
在其他实施例中，雾化的液体可以是精油、香水或其他液体药水。
本实施例通过滚轮式蠕动泵10与针式振动雾化装置20的组合可以实现对精油的直接雾化。为了更完整的描述本方案，本方案还可以包括控制雾化效果的驱动电路板30和外壳40，下面分别对驱动电路板30和外壳40进行简述：
驱动电路板30，所述驱动电路板30分别与所述滚轮式蠕动泵10、针式振动雾化装置20电连接。
所述驱动电路板30可以驱动滚轮式蠕动泵10工作，以及驱动针式振动雾化装置20中的压电陶瓷片221以及控制风机23，并可以实现开关机，定时以及档位控制。
具体地，所述驱动电路板30包括PCB板以及设置于所述PCB板上的单片机31、至少2个插接口以及至少1个控制按键；所述PCB板分别通过一所述插接口与所述滚轮式蠕动泵10以及所述针式振动雾化装置20电连接。
外壳40，包括顶盖42，外盖以及装饰件等结构件。
本实施例中，滚轮式蠕动泵10主要用于抽取精油，输送到针式振动雾化装置20，从而实现精确控制精油的消耗量，还可以在关机前反转，将针式振动雾化装置20中的精油反向抽回到精油瓶。针式振动雾化装置20中的片状弹性体22，在 压电陶瓷片221的振动下，在不锈钢针224的针头224A产生最大振幅，从而将精油雾化，并通过风机吹到外部空间中。本实施案例中，滚轮式蠕动泵10和针式振动雾化装置20中的片状弹性体22和风机23均为低噪声，因此本扩香仪噪声可以实现低于35dB，可以在卧室，病房等安静环境中运行。另外，由于本扩香仪中采用的滚轮式蠕动泵10和针式振动雾化装置20的连接处均设有密封装置，均实现了外部器件与精油的彻底隔离，因此用户使用方便，清洗简单。最后，通过驱动电路板30的软件控制，可以实现精油消耗量的精准控制，同时也可以实现定时控制雾化，从而提高用户的体验。
请参照图2-图4，图3为图2中滚轮式蠕动泵10的整体结构图，图4为图3的分解结构示意图。具体的，该滚轮式蠕动泵10包括电机11，减速箱12，支架13，滚轮14，泵管15，泵体16，泵盖17，外壳18，引线19。电机11一般转速为10000RPM，经过高减速比的减速箱12，降低转速到10-30RPM。电机11经过减速箱12减速后，驱动支架13转动。滚轮14安装在支架上，随支架13一起转动，滚轮14压缩泵管15，往出口151方向，从将泵管里的精油挤出到出口151方向。同时，滚轮14压缩过后，后续的泵管15会回弹，从而形成负压，从入口152方向吸取精油。这样，支架13反复转动，带动滚轮14反复压缩泵管15，从而实现了精油从入口152不断输送到出口151。泵体16，泵盖17和外壳18起到结构支撑作用，引线19连接电机11的正负两极到驱动电路板30。
滚轮14本身也能自转，从而避免了滚轮14直接摩擦泵管15，大大提高了泵管15的寿命。滚轮14数量一般为奇数，本实施例图示中为5个。具体实施方式中也可以为3个、7个或者9个或者更多。不过滚轮14数量增加后会明显增加结构复杂程度，而滚轮数量太少又会导致滚轮式蠕动泵10的流量不稳定。
驱动电路板30通过电路，实现反接电机11正负极，可以实现该滚轮式蠕动泵反转，将精油从出口151反抽回到入口152。同时，驱动电路板30还可以控制电机的驱动电压，通过降压驱动的方式进一步降低该滚轮式蠕动泵的转速，从而实现控制流量的大小。
请参照图10，图10为驱动电路板30的示意图。具体为，单片机31产生高频信号，通过功率放大芯片32，通过引线229接压电陶瓷片221，从而驱动片状弹性体2 0振动，并且针头224A处振幅最大，从而将精油雾化。另外，单片机31也通过引线19接电机11，驱动滚轮式蠕动泵10，吸取精油，输出到片状弹性体22的针尾密封管227，并进一步输送到针头224A处。并且，通过降低驱动电压，可以进一步精准控制滚轮式蠕动泵10的流量。而且，单片机31可以反接电机11正负极，从而实现关机前反转滚轮式蠕动泵10，将精油从片状弹性体20抽回，从而避免停机时精油堵塞针头224A。还有，单片机31也能控制风机23。为进一步提高用户体验，单片机31还能控制三个触摸按键，分别为开关机33，定时34和档位35，从而可以控制整个装置的开机，关机，定时设定以及档位大小设定。当然，所述驱动电路板30还包括其他必要的外围电路和电源控制。
请参照图11，图11为外壳40的示意图。具体为，外壳40包括底板41，顶盖42，装饰件43等。在本实施案例仅仅为实现整机设计的一个典型方案，其中，顶盖42对应驱动电路板30的触摸按键33，34和35有三个触摸区，顶盖也与出雾口密封圈214可靠密封。实际应用中，根据用户不用的外观设计，所述外壳40的方案可以变形为不同的装饰件以及其他设计方案。
以上所述仅为本申请的优选实施例，并非因此限制本申请的专利范围，凡是在本申请的申请构思下，利用本申请说明书及附图内容所作的等效结构变换，或直接/间接运用在其他相关的技术领域均包括在本申请的专利保护范围内。
发明概述
技术问题
问题的解决方案
发明的有益效果

Claims (10)

  1. 一种针式振动雾化装置，其特征在于，所述针式振动雾化装置包括：
    底座，所述底座设有往复式风道；
    盖板，盖于所述底座；
    不锈钢针，所述不锈钢针设有流道，所述不锈钢针的针头及针尾的连接处均设有密封装置，所述不锈钢针的针头伸入所述往复式风道，所述不锈钢针的针尾接收待雾化的液体；
    片状弹性体，所述片状弹性体设置于所述底座，所述片状弹性体包括压电陶瓷片及不锈钢片；
    所述压电陶瓷片与不锈钢片相贴合，所述不锈钢针与所述不锈钢片连接，压电陶瓷片振动时，振动通过不锈钢片传递至不锈钢针，并在针头产生高频振动，进而使针头处的液体雾化。
  2. 如权利要求1所述的针式振动雾化装置，其特征在于，所述往复式风道包括腔体、隔板、内腔以及出雾管；所述腔体设有进风口；所述腔体通过所述隔板与所述内腔分隔，所述隔板设有开口，以使所述腔体与所述内腔连通；所述内腔设有与出雾管连通的连通口，所述连通口设有弧形堵头。
  3. 如权利要求2所述的针式振动雾化装置，其特征在于，所述内腔与所述出雾管平行设置。
  4. 如权利要求2所述的针式振动雾化装置，其特征在于，还包括风机，所述风机设于底座，所述风机的出风口正对所述腔体的进风口以向所述腔体的进风口送风；所述风机的吸风口位于所述不锈钢片的一侧。
  5. 如权利要求1所述的针式振动雾化装置，其特征在于，还包括压块，所述压块设置于不锈钢针的针尾，以使所述不锈钢针固定于所述底座。
  6. 一种扩香仪，其特征在于，包括：
    如权利要求1-5任一项所述的针式振动雾化装置；
    滚轮式蠕动泵，所述滚轮式蠕动泵用于向所述针式振动雾化装置输送液体。
  7. 根据权利要求6所述的扩香仪，其特征在于，所述滚轮式蠕动泵包括泵管，所述泵管与所述不锈钢针连接。
  8. 如权利要求7所述的扩香仪，其特征在于，所述扩香仪还包括：
    容器，所述容器包括瓶体，所述瓶体与所述底座连接，所述瓶体用于装盛液体；
    所述滚轮式蠕动泵还包括吸液管，所述吸液管插入所述瓶体内部，所述滚轮式蠕动泵工作时通过所述吸液管抽取所述瓶体内的液体输送至所述不锈钢针。
  9. 如权利要求6所述的扩香仪，其特征在于，所述扩香仪还包括：
    驱动电路板，所述驱动电路板分别与所述滚轮式蠕动泵、针式振动雾化装置电连接。
  10. 如权利要求9所述的扩香仪，其特征在于，所述驱动电路板包括PCB板以及设置于所述PCB板上的单片机、至少2个插接口以及至少1个控制按键；
    所述PCB板分别通过一所述插接口与所述滚轮式蠕动泵及所述针式振动雾化装置电连接。
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