WO2022203318A1 - 튜브형 내부 전극을 구비하는 전기수력학적 펌프 헤드 조립체 - Google Patents

튜브형 내부 전극을 구비하는 전기수력학적 펌프 헤드 조립체 Download PDF

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Publication number
WO2022203318A1
WO2022203318A1 PCT/KR2022/003923 KR2022003923W WO2022203318A1 WO 2022203318 A1 WO2022203318 A1 WO 2022203318A1 KR 2022003923 W KR2022003923 W KR 2022003923W WO 2022203318 A1 WO2022203318 A1 WO 2022203318A1
Authority
WO
WIPO (PCT)
Prior art keywords
insulating nozzle
electrode
head assembly
pump head
inner electrode
Prior art date
Application number
PCT/KR2022/003923
Other languages
English (en)
French (fr)
Korean (ko)
Inventor
홍승민
김건희
이대용
Original Assignee
주식회사 프로텍
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 프로텍 filed Critical 주식회사 프로텍
Priority to CN202280023766.4A priority Critical patent/CN117062673A/zh
Publication of WO2022203318A1 publication Critical patent/WO2022203318A1/ko

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
    • B05B12/085—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to flow or pressure of liquid or other fluent material to be discharged
    • B05B12/087—Flow or presssure regulators, i.e. non-electric unitary devices comprising a sensing element, e.g. a piston or a membrane, and a controlling element, e.g. a valve
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/005—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means the high voltage supplied to an electrostatic spraying apparatus being adjustable during spraying operation, e.g. for modifying spray width, droplet size
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/16—Arrangements for supplying liquids or other fluent material
    • 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
    • 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
    • B05B7/0075—Nozzle arrangements in gas streams

Definitions

  • the assembly of the storage unit 110 , the internal electrode 310 , and the insulating nozzle 330 is mounted on the upper body 210 .
  • the storage unit 110 and its surrounding components are mounted on the upper body 210 .
  • the internal electrode 310 and the insulating nozzle 330 can be easily mounted on the upper body 210 without being caught on the lower body 230 .
  • the internal electrode 310 is connected to the power supply through the upper body 210 .
  • the power supply device applies the DC voltage set by the control unit to the internal electrode 310 .
  • the assembly extension 211 starts to be inserted into the assembly groove 231 before the insulating nozzle 330 contacts the bottom of the assembly groove 231 or enters the inside of the external electrode 350 , the assembly extension part 211 ) is aligned by the assembly groove 231 and the position of the insulating nozzle 330 is also automatically aligned. Accordingly, the insulating nozzle 330 enters the inside of the external electrode 350 at the correct position. In addition, in the process of entering the insulating nozzle 330 , the insulating nozzle 330 does not come into contact with the external electrode 350 .
  • the end of the insulating nozzle 330 is exposed to the lower portion of the external electrode 350 as shown in FIG. 6 .
  • the electrohydrodynamic pump head assembly having the tubular inner electrode of this embodiment assembled and used in the order as described above may be used in the state shown in FIG. 8 .
  • the electrohydrodynamic pump of this embodiment is installed and used in a separate transfer device while being installed on the support panel together with other components such as a camera and a sensor.
  • the viscous solution is dispensed in various ways for the material placed on the floor while being transferred in the vertical and horizontal directions by the transfer device.
  • the internal electrode 310 and the external electrode 350 are The viscous solution inside the insulating nozzle 330 is discharged downward by the potential difference with respect to the base generated by the .
  • a constant DC voltage is applied to the internal electrode 310 and pulse voltages of various patterns and frequencies are applied to the external electrode 350 to discharge the viscous solution through the insulating nozzle 330 .
  • it is also possible to construct an electrohydrodynamic pump head assembly having a tubular inner electrode by applying a constant DC voltage to the outer electrode 350 and applying a pulse voltage of a specific frequency to the inner electrode 310 on the contrary. do.
  • the electrohydrodynamic pump head assembly having the tubular internal electrode of this embodiment is more excellent. It has dispensing performance.
  • the outer electrode 350 is formed in a tubular shape to form a space extending up and down while enclosing the outer periphery of the insulating nozzle 330 .
  • the electrohydrodynamic pump head assembly including the tubular internal electrode of the present invention can reduce the influence of external environment or noise interference.
  • the electrohydrodynamic pump head assembly having the tubular inner electrode of the present invention has the performance of dispensing the viscous solution more stably.
  • the gas flow path 410 connected to the external pneumatic pump leads to the lower portions of the upper body 210 and the lower body 230 by the ring groove 211 and the partial flow path 213 formed in the assembly extension 211 .
  • the gas flow path 410 extends again radially in the radial direction and extends to the inner space of the external electrode 350 .
  • the end of the gas flow path 410 is connected to the space between the external electrode 350 and the insulating nozzle 330 .
  • the gas flow path 410 supplies a positive pressure or a negative pressure gas between the external electrode 350 and the insulating nozzle 330 .
  • the electrohydrodynamic pump head assembly having a tubular inner electrode so that a vacuum is formed around the insulating nozzle 330 by transmitting a negative pressure through the gas flow path 410 .
  • a negative pressure is generated in the gas flow path 410 during the purge operation as described above, the viscous solution purged through the insulating nozzle 330 is sucked and discharged to the outside through the gas flow path 410 . That is, in the step of calibrating the electrohydrodynamic pump head assembly having a tubular inner electrode or preparing for operation, the viscous solution does not fall to the lower side of the insulating nozzle 330 and is discharged to the outside through the gas flow path 410.
  • the outer electrode 350 is disposed to surround the insulating nozzle 330 in a non-contact state, so that the gas flow path 410 is connected to the insulating nozzle 330 and the outside.
  • the gas flow path 410 can be brought close to the position very close to the insulating nozzle 330 by such a structure, the effect of the positive or negative gas pressure transmitted to the gas flow path 410 can be improved. There is this.
  • a dispensing pump such as an electrohydrodynamic pump head assembly having a tubular inner electrode of the present invention
  • the process of the present invention It is possible to calibrate and control the heights of the external electrode 350 and the insulating nozzle 330 using the following method.
  • the electrohydrodynamic pump head assembly having the tubular inner electrode of this embodiment has the upper body 210 as a set of the container-shaped storage unit 110, the inner electrode 310, and the insulating nozzle 330 as described above. It has a structure that can be installed on the device, so it has convenience in use and superiority in performance. Conventionally, a structure for storing a viscous solution in a container such as a vial and delivering the viscous solution to a nozzle through a tube has been commonly used, but in the present invention, a container-shaped storage unit 110 and an internal electrode 310 and A structure in which the insulating nozzle 330 is directly connected in a short distance is used.
  • the electrohydrodynamic pump head assembly having the tubular inner electrode of the present embodiment has the advantage that the structure can be simplified and the size can be small.
  • the structure of the present invention as described above may be variously modified while maintaining the above-described advantages.
  • the storage unit 110, the internal electrode 310, and the insulating nozzle 330 are mounted on the upper body 210 in an assembled state as a set, but such a structure may be modified as necessary.
  • the internal electrode 310 and the insulating nozzle 330 are assembled to the upper body 210, the internal electrode 310 and It is also possible to configure to be coupled with the insulating nozzle (330).
  • the structures of the inner electrode 310 , the insulating nozzle 330 , and the outer electrode 350 may be modified into various structures other than the cylindrical structure, and the sizes of the outer and inner diameters are also variously modified as needed. It is possible.
  • the external electrode 360 may be deformed to constitute the external electrode 360 having a cylindrical-like structure by a plurality of external electrode elements 361 arranged in the circumferential direction as shown in FIG. 9 . .
  • the structure of the internal electrode 310 may also be modified and used in the same structure.
  • the electrohydrodynamic pump head assembly having the tubular inner electrode of the present invention so that the height of any one of the inner electrode and the insulating nozzle can be adjusted with respect to the other, different from the structure described with reference to the drawings above.
  • the height between the inner electrode and the insulating nozzle dispensing characteristics of the viscous solution can be adjusted.
  • an electrohydrodynamic pump head assembly having a tubular inner electrode in a form in which the inner electrode is not inserted into the insulating nozzle. It is also possible to configure In some cases, a non-tubular internal electrode may be used.
  • the container-shaped storage unit 110 is connected to the internal electrode and the insulating nozzle through an intermediate structure such as a tube. It is also possible to construct an electrohydrodynamic pump head assembly having a tubular inner electrode of a connected structure.
  • the lifting member elevates the lower body with respect to the upper body.
  • assembly structure of the upper body and the lower body may also be variously modified, such as a structure in which screws are coupled to each other, a structure that is snap coupled, etc., rather than a sliding method. It is also possible to construct an electrohydrodynamic pump head assembly having a tubular inner electrode having a body formed integrally with an upper body and a lower body, rather than being separated from each other.
  • an electrohydrodynamic pump head assembly having a tubular internal electrode having a structure including a gas flow path 410 has been described above as an example, the structure of the gas flow path is variously deformable, and a tubular structure without a gas flow path It is also possible to construct an electrohydrodynamic pump head assembly with an inner electrode.
  • the structure of the gas flow path can also be modified into various shapes other than the structure of the ring groove 211 and the partial flow path 213 described above.

Landscapes

  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Coating Apparatus (AREA)
  • Reciprocating Pumps (AREA)
PCT/KR2022/003923 2021-03-23 2022-03-21 튜브형 내부 전극을 구비하는 전기수력학적 펌프 헤드 조립체 WO2022203318A1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202280023766.4A CN117062673A (zh) 2021-03-23 2022-03-21 具有管型内电极的电流体动力泵头组合

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2021-0037188 2021-03-23
KR1020210037188A KR102486133B1 (ko) 2021-03-23 2021-03-23 튜브형 내부 전극을 구비하는 전기수력학적 펌프 헤드 조립체

Publications (1)

Publication Number Publication Date
WO2022203318A1 true WO2022203318A1 (ko) 2022-09-29

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Family Applications (1)

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PCT/KR2022/003923 WO2022203318A1 (ko) 2021-03-23 2022-03-21 튜브형 내부 전극을 구비하는 전기수력학적 펌프 헤드 조립체

Country Status (4)

Country Link
KR (1) KR102486133B1 (zh)
CN (1) CN117062673A (zh)
TW (1) TWI819536B (zh)
WO (1) WO2022203318A1 (zh)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060110544A1 (en) * 2004-11-22 2006-05-25 Kyekyoon Kim Electrohydrodynamic spraying system
KR101615576B1 (ko) * 2014-09-12 2016-05-11 순천향대학교 산학협력단 전기수력학적 잉크젯 장치
KR101939439B1 (ko) * 2016-07-28 2019-01-16 변도영 잉크젯 방식의 기판 결함 리페어 장치의 노즐 및 잉크젯 방식의 기판 결함 리페어 장치
KR102082621B1 (ko) * 2019-12-13 2020-02-27 엔젯 주식회사 유도 전기수력학 젯 프린팅 장치
KR20210002304A (ko) * 2019-06-30 2021-01-07 참엔지니어링(주) 전기수력학을 이용하는 잉크토출장치용 노즐어셈블리

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101068623A (zh) * 2004-12-28 2007-11-07 大金工业株式会社 静电喷雾装置
JP2008153322A (ja) * 2006-12-15 2008-07-03 Dainippon Screen Mfg Co Ltd 二流体ノズル、基板処理装置および基板処理方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060110544A1 (en) * 2004-11-22 2006-05-25 Kyekyoon Kim Electrohydrodynamic spraying system
KR101615576B1 (ko) * 2014-09-12 2016-05-11 순천향대학교 산학협력단 전기수력학적 잉크젯 장치
KR101939439B1 (ko) * 2016-07-28 2019-01-16 변도영 잉크젯 방식의 기판 결함 리페어 장치의 노즐 및 잉크젯 방식의 기판 결함 리페어 장치
KR20210002304A (ko) * 2019-06-30 2021-01-07 참엔지니어링(주) 전기수력학을 이용하는 잉크토출장치용 노즐어셈블리
KR102082621B1 (ko) * 2019-12-13 2020-02-27 엔젯 주식회사 유도 전기수력학 젯 프린팅 장치

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Publication number Publication date
KR102486133B1 (ko) 2023-01-09
KR20220132197A (ko) 2022-09-30
CN117062673A (zh) 2023-11-14
TW202237977A (zh) 2022-10-01
TWI819536B (zh) 2023-10-21

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