CN217086123U - Hydrophobic ventilative type digit mouth organ - Google Patents
Hydrophobic ventilative type digit mouth organ Download PDFInfo
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- CN217086123U CN217086123U CN202220052666.1U CN202220052666U CN217086123U CN 217086123 U CN217086123 U CN 217086123U CN 202220052666 U CN202220052666 U CN 202220052666U CN 217086123 U CN217086123 U CN 217086123U
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Abstract
The utility model provides a hydrophobic ventilative type digital harmonica, including the musical instrument body, it has a plurality of mouthpiece to open on the musical instrument body, and the musical instrument body corresponds every mouthpiece and is equipped with pressure sensor that blows respectively, and the musical instrument body corresponds the mouthpiece and blows and inhale the intercommunication between the pressure sensor and have the air current runner, is equipped with the hydrophobic ventilated membrane that filters the air current runner on the air current runner, and pressure sensor that blows and inhales fixes on the circuit board, and it is sealed through the silica gel sealing layer between hydrophobic ventilated membrane and the pressure sensor that blows and inhales. The utility model has the advantages of reasonable design, through the hydrophobic ventilated membrane of rational distribution position, can effectively separate gas pocket and pressure sensor that blows and inhale, reduce the saliva erosion, can effectively transmit the air current again, the pressure sensor that is convenient for blow and inhale experiences and blows and inhale the pressure signal, prolongs the life of mouth organ when guaranteeing to play the effect, reduces the maintenance cost.
Description
Technical Field
The utility model relates to a musical instrument field especially relates to a hydrophobic ventilative type digital harmonica.
Background
With the progress of sensors and digital technology, the traditional musical instruments are updated and digitalized. The mouth light is used as a multi-reed small-sized playing musical instrument which uses mouth to blow or suck air to make metal reeds vibrate and sound, and can also use a blowing and sucking pressure sensor to acquire air flow and pressure change during playing, and convert the air flow and pressure change into MIDI signals through a digital technology and output the MIDI signals, so that the existing digital harmonica is formed. When the existing digital harmonica is used, the mouth water impact blowing and sucking pressure sensor is easily wrapped by blowing, and after the existing digital harmonica is used for a long time, the mouth water easily pollutes the body of the harmonica, certain corrosion or damage is caused to the blowing and sucking pressure sensor, the detection precision of the blowing and sucking pressure sensor is influenced, the service life of the digital harmonica is shortened, and the use and maintenance cost is increased.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in order to overcome the defects of the prior art, the utility model provides a hydrophobic and breathable digital harmonica which can effectively perform hydrophobic operation on air inlet of an air blowing port and reduce erosion of saliva.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a hydrophobic ventilative type digital harmonica, includes the musical instrument body, the musical instrument body on open and to have a plurality of bleaches, the musical instrument body correspond every blow gun and be equipped with pressure sensor that blows in respectively, the musical instrument body correspond the blow gun and blow and inhale the pressure sensor between the intercommunication have airflow channel, airflow channel on be equipped with the hydrophobic ventilated membrane that filters airflow channel, pressure sensor that blows in fix on the circuit board, it is sealed through the silica gel sealing layer to drain between ventilated membrane and the pressure sensor that blows in, the musical instrument body.
In the above scheme, between mouth of a river and pressure sensor is inhaled in the blowing, through the hydrophobic ventilated membrane of rational design, the atmospheric pressure that the air current produced can freely be inhaled pressure sensor response through hydrophobic ventilated membrane, and the saliva is then unable through hydrophobic ventilated membrane, can separate the filtration to the air current of blowing in of wrapping in the saliva, avoids wrapping in the air current direct impact pressure sensor who is holding in the saliva.
Preferably, the hydrophobic breathable film is an expanded polytetrafluoroethylene microporous hydrophobic breathable film. The expanded polytetrafluoroethylene film is a high-performance filter medium, the micropores of the expanded polytetrafluoroethylene film can block various particles and allow air to pass through, namely, saliva during blowing can be effectively filtered, and gas can pass through and be detected by a sensor to detect a pressure signal.
Preferably, a plurality of pressure sensors that blow-suck are fixed respectively on the circuit board lower surface, hydrophobic ventilative membrane cover the terminal surface position department of the corresponding gas flow way of musical instrument body, the silica gel sealing layer set up at hydrophobic ventilative membrane upper surface, the silica gel sealing layer for corresponding gas flow way end position open respectively and have the silica gel of the response through-hole that link up to seal up, the circuit board with the silica gel seal pad, hydrophobic ventilative membrane crimping at the musical instrument body surface, and every pressure sensor that blow-suck corresponds respectively and stretches into in the response through-hole.
Preferably, a plurality of pressure sensors that blow and inhale fix respectively on the circuit board lower surface, the musical instrument body correspond every gas flow channel terminal surface and recessed and have an installation counter bore, hydrophobic ventilated membrane correspond every installation counter bore, set up in the installation counter bore with installation counter bore external diameter looks adaptation and filtration respectively, hydrophobic ventilated membrane on still have the silica gel sealing washer with the sealed crimping of hydrophobic ventilated membrane in the installation counter bore, the circuit board then the crimping open at the musical instrument body has the terminal surface of installation counter bore on, and pressure sensors that blow and inhale corresponds respectively and stretch into in the inner circle of silica gel sealing washer.
The beneficial effects of the utility model are that, the utility model provides a pair of hydrophobic ventilative type digital harmonica, structural design is reasonable, through the hydrophobic ventilated membrane of rational distribution position, can effectively separate gas pocket and pressure sensor that blows and inhale, reduces the saliva erosion, can effectively transmit the air current again, and the pressure sensor that blows and inhales of being convenient for feels and blows and inhale the pressure signal, prolongs the life of harmonica when guaranteeing to play the effect, reduces the maintenance cost.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a second embodiment of the present invention.
In the figure, the instrument comprises a main body 1, a musical instrument body 2, a mouthpiece 3, a hydrophobic breathable film 4, a silica gel sealing gasket 5, a blowing and sucking pressure sensor 6, a circuit board 7, a silica gel sealing ring 8, an induction through hole 9 and an airflow channel.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic drawings, which illustrate the basic structure of the invention only in a schematic way, and thus show only the components that are relevant to the invention, and the directions and references (e.g., upper, lower, left, right, etc.) may be used only to help describe the features in the drawings. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.
The hydrophobic and breathable digital harmonica shown in fig. 1 is a first embodiment of the present invention. The hydrophobic breathable digital harmonica comprises a harmonica body 1 and a circuit board 6, wherein a plurality of blowing ports 2 are formed in the harmonica body 1, and blowing and sucking pressure sensors 5 are correspondingly arranged on the harmonica body 1 corresponding to each blowing port 2 respectively. The blowing and sucking pressure sensor 5 is fixed on the lower surface of the circuit board 6.
The musical instrument body 1 is communicated with an air flow channel 9 corresponding to the mouthpiece 2 and the blowing and sucking pressure sensor 5, the hydrophobic breathable film 3 is covered at the surface position of the musical instrument body 1 corresponding to the tail end of the air flow channel, and the hydrophobic breathable film 3 is an expanded polytetrafluoroethylene microporous hydrophobic breathable film 3. The silica gel sealing layer sets up at hydrophobic ventilated membrane 3 upper surface, and the silica gel sealing layer is the sealed 4 that fills up of silica gel, and the sealed 4 terminal position that corresponds the gas flow way of silica gel is opened respectively has the response through-hole 8 that link up. The circuit board 6 presses the silica gel sealing gasket 4 and the hydrophobic breathable film 3 on the surface of the piano body 1, and each blowing and sucking pressure sensor 5 correspondingly extends into the induction through hole 8 respectively.
When playing, the atmospheric pressure that the air current produced can be freely passed through hydrophobic ventilated membrane 3 and is inhaled pressure sensor 5 response by the pressure, and the saliva then can't be through hydrophobic ventilated membrane 3, can separate the filtration to wrapping up in the air current that blows in of holding the saliva, avoids wrapping up in the air current direct impact pressure sensor 5 of holding the saliva, prolongs the life of harmonica when guaranteeing the effect of playing, reduces the maintenance cost.
A hydrophobic and breathable digital harmonica as shown in fig. 2, which is an embodiment two of the present invention. This hydrophobic ventilative type digital harmonica of type, including the organ body 1 and circuit board 6, it has a plurality of bleaches 2 to open on the organ body 1, and the organ body 1 corresponds every bleaches 2 respectively and is equipped with pressure sensor 5 of blowing and sucking. The blowing and sucking pressure sensor 5 is fixed on the lower surface of the circuit board 6. The body 1 is recessed with a mounting counter bore corresponding to the end surface of each gas flow passage. Hydrophobic ventilated membrane 3 water ventilated membrane is hydrophobic ventilated membrane 3 of expanded polytetrafluoroethylene micropore, is the lamellar structure, corresponds every installation counter bore, respectively with installation counter bore external diameter looks adaptation and filter the setting in the installation counter bore. The silica gel sealing layer be silica gel sealing washer 7, silica gel sealing washer 7 with the sealed crimping of hydrophobic ventilated membrane 3 in the installation counter bore. The circuit board 6 is pressed on the end face of the body 1 with the mounting counter bore, and the blowing and sucking pressure sensors 5 correspondingly extend into the inner ring of the silica gel sealing ring 7 respectively.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (4)
1. The utility model provides a hydrophobic ventilative type digital harmonica, includes the musical instrument body (1), the musical instrument body (1) on open and to have a plurality of bleaches (2), the musical instrument body (1) correspond every blow gun (2) and be equipped with pressure sensor (5), its characterized in that of blowing and sucking respectively: the musical instrument body (1) correspond and blow mouth (2) and blow and inhale pressure sensor (5) between the intercommunication have airflow channel (9), airflow channel (9) on be equipped with hydrophobic ventilated membrane (3) of filtering airflow channel (9), blow and inhale pressure sensor (5) fix on circuit board (6), it is sealed through the silica gel sealing layer between hydrophobic ventilated membrane (3) and the blow and inhale pressure sensor (5).
2. The hydrophobic breathable digital harmonica of claim 1, wherein: the hydrophobic breathable film (3) is an expanded polytetrafluoroethylene microporous hydrophobic breathable film.
3. The hydrophobic breathable digital harmonica of claim 1 or 2, wherein: a plurality of pressure sensors (5) of blowing and sucking are fixed respectively on circuit board (6) lower surface, hydrophobic ventilated membrane (3) cover in the terminal surface position department of musical instrument body (1) corresponding gas flow channel, the silica gel sealing layer set up at hydrophobic ventilated membrane (3) upper surface, the silica gel sealing layer for corresponding gas flow channel end position open respectively have the sealed pad (4) of silica gel of the response through-hole (8) that link up, circuit board (6) seal pad (4) with silica gel, hydrophobic ventilated membrane (3) crimping on musical instrument body (1) surface, and every pressure sensor (5) of blowing and sucking correspond respectively and stretch into in response through-hole (8).
4. The hydrophobic breathable digital harmonica of claim 1 or 2, wherein: a plurality of pressure sensor (5) of blowing and sucking are fixed respectively on circuit board (6) lower surface, the musical instrument body (1) correspond every gas flow way end surface and recessed have an installation counter bore, hydrophobic ventilated membrane (3) correspond every installation counter bore, set up in the installation counter bore with installation counter bore external diameter looks adaptation and filtration respectively, the silica gel sealing layer be silica gel sealing washer (7), silica gel sealing washer (7) with hydrophobic ventilated membrane (3) sealed crimping in the installation counter bore, circuit board (6) then the crimping open on the terminal surface that has the installation counter bore at musical instrument body (1), and blow and suck in pressure sensor (5) respectively correspond and stretch into in the inner circle of silica gel sealing washer (7).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120539681 | 2021-03-16 | ||
| CN2021205396814 | 2021-03-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217086123U true CN217086123U (en) | 2022-07-29 |
Family
ID=82314405
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220071009.1U Active CN216957425U (en) | 2021-03-16 | 2022-01-11 | Finger-pressing type digital harmonica |
| CN202220064254.XU Active CN216957424U (en) | 2021-03-16 | 2022-01-11 | Digital harmonica |
| CN202220052666.1U Active CN217086123U (en) | 2021-03-16 | 2022-01-11 | Hydrophobic ventilative type digit mouth organ |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220071009.1U Active CN216957425U (en) | 2021-03-16 | 2022-01-11 | Finger-pressing type digital harmonica |
| CN202220064254.XU Active CN216957424U (en) | 2021-03-16 | 2022-01-11 | Digital harmonica |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN216957425U (en) |
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2022
- 2022-01-11 CN CN202220071009.1U patent/CN216957425U/en active Active
- 2022-01-11 CN CN202220064254.XU patent/CN216957424U/en active Active
- 2022-01-11 CN CN202220052666.1U patent/CN217086123U/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN216957424U (en) | 2022-07-12 |
| CN216957425U (en) | 2022-07-12 |
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