CN209735913U - Film coating device for sensitive film of quartz crystal odor sensor - Google Patents
Film coating device for sensitive film of quartz crystal odor sensor Download PDFInfo
- Publication number
- CN209735913U CN209735913U CN201920180112.8U CN201920180112U CN209735913U CN 209735913 U CN209735913 U CN 209735913U CN 201920180112 U CN201920180112 U CN 201920180112U CN 209735913 U CN209735913 U CN 209735913U
- Authority
- CN
- China
- Prior art keywords
- storage bottle
- air outlet
- outlet pipe
- sensitive
- quartz crystal
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
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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
- 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
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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
- 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
- B05B12/084—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 condition of liquid or other fluent material already sprayed on the target, e.g. coating thickness, weight or pattern
-
- 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
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
Landscapes
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
- Saccharide Compounds (AREA)
Abstract
The utility model discloses a film coating device for a sensitive film of a quartz crystal odor sensor, which comprises an inert gas storage bottle, a sensitive film solution storage bottle with a rubber plug, an air inlet pipe, an air outlet pipe, an ultrasonic generating device, an objective table, a clamping clamp and a fixing frame, wherein the air outlet pipe of the inert gas storage bottle is connected with one end of the air inlet pipe, and the other end of the air inlet pipe penetrates through the rubber plug and extends into the sensitive film solution storage bottle; one end of the air outlet pipe penetrates through the rubber plug and extends into the sensitive membrane solution storage bottle, and the other end of the air outlet pipe is in a bell mouth shape; the sensitive membrane solution storage bottle is arranged on the ultrasonic generating device; the ultrasonic generating device is embedded on the objective table; the clamping clamp is arranged on the fixing frame. The device adopts inert gas as intermediate gas which does not react with the sensitive film solution, thereby realizing the control of the fine change of the thickness of the sensitive film of the quartz crystal, greatly improving the uniformity of the sensitive film and easily controlling the film coating process.
Description
Technical Field
The utility model relates to an ultrasonic wave device of filming, concretely relates to device of filming of sensitive membrane of quartz crystal smell sensor.
Background
The quartz crystal odor sensor is a quality detection instrument with extremely high sensitivity, the thickness of a quartz crystal sensitive film is closely related to the measurement precision of a microbalance, and at present, when people change the thickness of a quartz crystal, artificial coating, direct solution spraying and spin coating are often adopted, the thickness of the artificial coating on one side is difficult to control, and the coating quality is poor and the thickness is difficult to control; when the solution is directly sprayed, the liquid drop is too large, and the uniformity after film preparation is poor; the spin coating method is not easy to fix the quartz crystal and is easy to cause the quartz crystal to break.
SUMMERY OF THE UTILITY MODEL
To the problem and the defect that exist among the above-mentioned prior art, the utility model aims to provide an ultrasonic wave preparation facilities of quartz crystal odor sensor sensitive membrane, the device adopt inert gas to be intermediary gas, and it does not react with sensitive membrane solution, realizes the control to the slight change of quartz crystal sensitive membrane thickness, and the sensitive membrane homogeneity greatly improves, and the process of filming is easily controlled.
the technical scheme adopted for realizing the purpose is that the film coating device for the sensitive film of the quartz crystal odor sensor comprises an inert gas storage bottle, a sensitive film solution storage bottle with a rubber plug, an air inlet pipe, an air outlet pipe, an ultrasonic generating device, an objective table, a clamping clamp and a fixing frame, wherein the air outlet pipe of the inert gas storage bottle is connected with one end of the air inlet pipe, and the other end of the air inlet pipe penetrates through the rubber plug and extends into the sensitive film solution storage bottle; one end of the air outlet pipe penetrates through the rubber plug and extends into the sensitive membrane solution storage bottle, and the other end of the air outlet pipe is in a bell mouth shape; the sensitive membrane solution storage bottle is arranged on the ultrasonic generating device; the ultrasonic generating device is embedded on the objective table; the clamping clamp is arranged on the fixing frame.
In a step one, a pressure reducing valve and an air flow meter are sequentially arranged on an air outlet pipe of the inert gas storage bottle.
In the sensitive film solution storage bottle, the air outlet of the air outlet pipe is higher than the air inlet of the air inlet pipe.
The utility model relates to a sensitive membrane of quartz crystal smell sensor's the theory of operation of device of filming:
1) Before use, the pressure of the inert gas in the inert gas storage bottle is checked whether the pressure is normal. Then the sensitive membrane solution is added into a sensitive membrane solution storage bottle, and the storage bottle is sealed by a rubber plug. And finally clamping the quartz crystal on the clamping clamp, and adjusting the distance between the quartz crystal and the end of the air outlet pipe, which is in the shape of a horn mouth.
2) The ultrasonic wave generating device is started firstly to atomize the sensitive membrane solution, when a gas supply switch of the inert gas storage bottle is opened, inert gas enters through the gas inlet pipe to form mixed gas, the mixed gas is discharged through the gas outlet pipe and uniformly sprayed on the surface of the quartz crystal, solute is deposited at last to form a film, and the thickness is realized by controlling the ventilation time. The flow of the inert gas can be sensed by an air flow meter, and the change of the film forming time and uniformity can be realized by changing the flow through a pressure reducing valve.
The utility model discloses a sensitive membrane of quartz crystal smell sensor's the beneficial effect of device of filming lies in: the device adopts inert gas as intermediate gas which does not react with the sensitive film solution, thereby realizing the control of the fine change of the thickness of the sensitive film of the quartz crystal, greatly improving the uniformity of the sensitive film and easily controlling the film coating process.
Drawings
Fig. 1 is a schematic structural diagram of a film coating device for a sensitive film of a quartz crystal odor sensor of the present invention.
Reference numerals: inert gas storage bottle 1, relief pressure valve 2, air flowmeter 3, sensitive membrane solution 4, sensitive membrane solution storage bottle 5, intake pipe 6, rubber buffer 7, outlet duct 8, ultrasonic wave generating device 9, objective table 10, quartz crystal 11, centre gripping presss from both sides 12, mount 13.
Detailed Description
The coating device of the sensitive film of the quartz crystal odor sensor of the invention is further explained in detail with reference to the attached drawings and the specific implementation modes given by the inventor.
Fig. 1 shows a schematic structural diagram of a film coating device for a sensitive film of a quartz crystal odor sensor of the present invention, which comprises an inert gas storage bottle 1, a sensitive film solution storage bottle 5 with a rubber plug 7, an air inlet pipe 6, an air outlet pipe 8, an ultrasonic wave generating device 9, an object stage 10, a clamping clamp 12 and a fixing frame 13, wherein the air outlet pipe of the inert gas storage bottle 1 is connected with one end of the air inlet pipe 6, and the other end of the air inlet pipe 6 penetrates through the rubber plug 7 and extends into the sensitive film solution storage bottle 5; one end of the air outlet pipe 8 penetrates through the rubber plug 7 and extends into the sensitive membrane solution storage bottle 5, and the other end of the air outlet pipe is in a bell mouth shape; the sensitive membrane solution storage bottle 5 is arranged on the upper side of the ultrasonic wave generating device 9; the ultrasonic wave generating device 9 is embedded and installed on the objective table 10; the clamping clip 12 is mounted on a fixed frame 13.
The air outlet pipe of the inert gas storage bottle 1 is sequentially provided with a pressure reducing valve 2 and an air flow meter 3, and the valve of the pressure reducing valve 2 can be adjusted by observing the air flow meter 3.
The air outlet of the air outlet pipe 8 in the sensitive membrane solution storage bottle 5 is higher than the air inlet of the air inlet pipe 6, and the air inlet of the air inlet pipe 6 is lower, so that the sensitive membrane solvent 4 can be fully atomized, and the fully atomized sensitive membrane solution 4 is driven to upwards diffuse; the air outlet of the air outlet pipe 8 is higher, which is beneficial to discharging the uniform mixed gas from the air outlet pipe 6 and improving the film coating quality.
Further, the utility model discloses a sensitive membrane solution storage bottle 5 preferred erlenmeyer flask.
Starting the ultrasonic generating device 9 to atomize the sensitive membrane solution 4 in the sensitive membrane solution storage bottle 5, opening the switch of the inert gas storage bottle 1, discharging inert gas with strong pressure, entering the sensitive membrane solution storage bottle 5 through the air inlet pipe 6, rapidly mixing with the atomized sensitive membrane solution 4, and uniformly spraying on the surface of the quartz crystal 11 through the bell mouth of the air outlet pipe 8.
The inert gas is used as the intermediary gas in the utility model because the inert gas does not react with the sensitive membrane solution.
This embodiment is to explain the invention, it is not to limit the invention, and after reading this description, the skilled person can make modifications without inventive contribution to this embodiment as required, and only be protected by patent within the scope of the claims of the invention.
Claims (3)
1. A coating device for a sensitive film of a quartz crystal odor sensor is characterized in that: the device comprises an inert gas storage bottle (1), a sensitive membrane solution storage bottle (5) with a rubber plug (7), an air inlet pipe (6), an air outlet pipe (8), an ultrasonic generating device (9), an objective table (10), a clamping clamp (12) and a fixing frame (13), wherein the air outlet pipe of the inert gas storage bottle (1) is connected with one end of the air inlet pipe (6), and the other end of the air inlet pipe (6) penetrates through the rubber plug (7) and extends into the sensitive membrane solution storage bottle (5); one end of the air outlet pipe (8) penetrates through the rubber plug (7) and extends into the sensitive membrane solution storage bottle (5), and the other end of the air outlet pipe is in a bell mouth shape; the sensitive membrane solution storage bottle (5) is arranged on the ultrasonic wave generating device (9); the ultrasonic wave generating device (9) is embedded and installed on the objective table (10); the clamping clip (12) is arranged on the fixing frame (13).
2. The apparatus for coating a sensitive film of an odor sensor of quartz crystal according to claim 1, wherein: and a pressure reducing valve (2) and an air flow meter (3) are sequentially arranged on an air outlet pipe of the inert gas storage bottle (1).
3. The apparatus for coating a sensitive film of an odor sensor of quartz crystal according to claim 1, wherein: in the sensitive membrane solution storage bottle (5), the air outlet of the air outlet pipe (8) is higher than the air inlet of the air inlet pipe (6).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018104899359 | 2018-05-21 | ||
| CN201810489935.9A CN108568376A (en) | 2018-05-21 | 2018-05-21 | A kind of ultrasonic wave preparation facilities of quartz crystal smell sensor sensitive membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209735913U true CN209735913U (en) | 2019-12-06 |
Family
ID=63572793
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810489935.9A Withdrawn CN108568376A (en) | 2018-05-21 | 2018-05-21 | A kind of ultrasonic wave preparation facilities of quartz crystal smell sensor sensitive membrane |
| CN201920180112.8U Expired - Fee Related CN209735913U (en) | 2018-05-21 | 2019-02-01 | Film coating device for sensitive film of quartz crystal odor sensor |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810489935.9A Withdrawn CN108568376A (en) | 2018-05-21 | 2018-05-21 | A kind of ultrasonic wave preparation facilities of quartz crystal smell sensor sensitive membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN108568376A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113042292A (en) * | 2021-03-25 | 2021-06-29 | 苏州嘉炫精工科技有限公司 | Jam-free silver paste ultrasonic spraying device |
-
2018
- 2018-05-21 CN CN201810489935.9A patent/CN108568376A/en not_active Withdrawn
-
2019
- 2019-02-01 CN CN201920180112.8U patent/CN209735913U/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN108568376A (en) | 2018-09-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20191206 Termination date: 20210201 |