JP2007139437A - Mounting method of ultrasonic sensor, and ultrasonic sensor mounting holder - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a mounting method of an ultrasonic sensor for providing high detection accuracy and high reliability by allowing easy and rapid joining and mounting of the ultrasonic sensor to a measured object, suppressing variation over time of drying or the like, and certainly propagating the ultrasonic wave for a long time; and also to provide an ultrasonic sensor mounting holder. <P>SOLUTION: The mounting holder 1 of the ultrasonic sensor S for detecting the liquid held in a vessel comprises double-sided tape 10 that is closely adhered to a detection surface S1 of the ultrasonic sensor 10 and has an adhesive layers 11A on both of the surface 10A coming into contact with the ultrasonic sensor S and the surface coming into contact with the vessel. The mounting holder 1 also comprises a mounting member 2 that holds the double-sided tape 10 and supports the detection surface S1 of the ultrasonic sensor S so that it faces the outer surface of the vessel via the double-sided tape 10. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an ultrasonic sensor mounting method and an ultrasonic sensor mounting holder in a case where a liquid held in a container is detected by an ultrasonic sensor.

  When detecting the level or presence of the liquid held in the container using ultrasonic waves, the ultrasonic wave is transmitted from the detection surface of the ultrasonic sensor attached to the surface of the container side surface, through the container wall and the liquid. In general, the level or presence of a liquid is detected based on the propagation state of a reflected wave that reverberates.

When the liquid level is detected by the ultrasonic sensor in this way, if there is an obstacle to the propagation of ultrasonic waves, such as an air layer, between the detection surface of the ultrasonic sensor and the container surface, the ultrasonic wave is in the container. Since the level and presence of the liquid cannot be reliably detected, the detection surface and the container are acoustically connected by filling the detection surface and the container surface with a coupling medium (hereinafter referred to as “casplan”) made of liquid or gel. By coupling and suppressing scattering and attenuation of ultrasonic waves, ultrasonic waves sufficient for detection are reliably propagated. (For example, refer to Patent Document 1).
Japanese Utility Model Publication No. 62-189744

  However, according to the conventional method for coupling an ultrasonic sensor and a container, since the coplanar is liquid or gel, handling of the coplanar, coupling of the detection surface of the ultrasonic sensor, and installation are complicated, and individual differences and variations are likely to occur. In addition, there is a problem that a change over time such as drying occurs due to long-term use, and it is difficult to reliably transmit ultrasonic waves, and detection accuracy and reliability are lowered.

  The present invention has been made in consideration of such circumstances, and enables easy and short time coupling and attachment of the ultrasonic sensor to the object to be measured, and suppresses changes over time such as drying, An object of the present invention is to provide an ultrasonic sensor mounting method and an ultrasonic sensor mounting holder that can obtain high detection accuracy and reliability by ensuring that ultrasonic waves are propagated for a long period of time.

  In order to solve the above-described problems, the invention described in claim 1 is a method of attaching an ultrasonic sensor for detecting a liquid held in a container, which is composed of a flexible solid, First contact means for bringing the detection surface of the ultrasonic sensor into close contact with the one surface of the solid, and the outer surface of the container is located on the opposite side of the one surface of the solid, The detection surface of the ultrasonic sensor and the outer surface of the container are connected to each other via an ultrasonic wave propagation medium provided with a second close contact means that is in close contact with the other surface disposed oppositely. .

  According to the method for attaching an ultrasonic sensor according to the present invention, the ultrasonic propagation medium is made of a flexible solid, and can be deformed and adhered along the detection surface of the ultrasonic sensor and the outer surface of the container. The In addition, since the ultrasonic propagation medium includes the first contact unit that closely contacts the detection surface of the ultrasonic sensor and the second contact unit that closely contacts the outer surface of the container, Use the liquid or gel coplanar because the outer surface of the container is in close contact with the outer surface of the ultrasonic wave propagation medium, and there is no obstruction of ultrasonic wave propagation between the detection surface of the ultrasonic sensor and the outer surface of the container. Rather, the detection surface of the ultrasonic sensor is acoustically coupled to the container.

  The invention according to claim 2 is the ultrasonic sensor mounting method according to claim 1, wherein the ultrasonic propagation medium is formed in a sheet shape, and the first contact means and the second contact means are It is characterized by comprising an adhesive layer.

According to the method for attaching an ultrasonic sensor according to the present invention, since the ultrasonic propagation medium is a solid sheet, it is easier to handle than a liquid or gel-like plant, and can be used repeatedly. Can be suppressed.
In addition, since the change with time after mounting, such as drying, is small, stable detection can be maintained for many uses over a long period of time.

  According to a third aspect of the invention, there is provided the ultrasonic sensor mounting method according to the second aspect, wherein the ultrasonic wave propagation medium is an acrylic resin.

According to the method for attaching an ultrasonic sensor according to the present invention, since it is made of a sheet-like acrylic resin, the attenuation of ultrasonic waves is suppressed and efficiently propagated, and acoustic coupling can be reliably performed. it can.
In addition, by using a transparent sheet-like acrylic resin, it is possible to easily check the state of the container surface, and if the container is transparent or translucent, the inside of the container can be easily checked. Easy and reliable.

  The invention according to claim 4 is the method of attaching the ultrasonic sensor according to claim 2 or claim 3, wherein the ultrasonic propagation medium includes an adhesion suppressing means at a contact portion with the ultrasonic sensor. Features.

  According to the method for attaching an ultrasonic sensor according to the present invention, the detection surface of the ultrasonic sensor does not adhere more strongly than necessary to the adhesive layer on the ultrasonic sensor side of the ultrasonic propagation medium. When removing, it is possible to suppress a large external force from being applied to the ultrasonic sensor and to prevent damage to the ultrasonic sensor.

  According to a fifth aspect of the present invention, there is provided an ultrasonic sensor mounting holder for detecting a liquid held in a container, the surface of the ultrasonic sensor being in close contact with a detection surface of the ultrasonic sensor and a surface in contact with the ultrasonic sensor. And a sheet-like ultrasonic propagation medium having adhesive layers on both sides of the surface in contact with the container, and the sheet-like ultrasonic propagation medium are held, and the detection surface of the ultrasonic sensor is used as the sheet-like ultrasonic wave. And an attachment member disposed opposite to the outer surface of the container via a propagation medium.

  In the ultrasonic sensor mounting holder according to the present invention, the ultrasonic propagation medium has the adhesive layer on both the surface in contact with the ultrasonic sensor and the surface in contact with the container. The ultrasonic propagation medium is easily held in close contact with the container and the ultrasonic sensor, and the container and the detection surface of the ultrasonic sensor are reliably arranged to face each other via the sheet-shaped ultrasonic propagation medium. Therefore, the container and the ultrasonic sensor are reliably coupled acoustically without using a liquid or gel-like coplant. In addition, since the ultrasonic propagation medium is in the form of a solid sheet, it is possible to maintain stable detection over a long period of time with little change over time.

Further, by using the attachment holder, the detection surface can be easily placed opposite to the surface of the container, can be attached in a short time, and it is difficult for individual differences and variations in work during attachment to occur.
In addition, by adhering the adhesive layer of the ultrasonic propagation medium to the mounting holder, the ultrasonic propagation medium can be prevented from being deformed even when it is used for a long period of time or removed, and the detection surface is accurately opposed to the container surface. In addition, the detection accuracy and reliability can be maintained stably over a long period of time.
Therefore, the handling is easier than the liquid or gel-like plant, and the running cost is suppressed.

  The invention according to claim 6 is the ultrasonic sensor mounting holder according to claim 5, wherein the ultrasonic propagation medium is made of acrylic resin.

  According to the ultrasonic sensor mounting holder according to the present invention, since the ultrasonic propagation medium is made of a sheet-like acrylic resin, attenuation of ultrasonic waves is suppressed and the ultrasonic wave is efficiently propagated to ensure acoustic coupling. In addition, when a transparent sheet-like acrylic resin is used, it is possible to easily check the state of the container surface and the inside of the container, and confirmation when mounting work or using an ultrasonic sensor Work can be done easily and reliably.

  The invention according to claim 7 is the ultrasonic sensor mounting holder according to claim 5 or 6, wherein the ultrasonic propagation medium includes an adhesion suppressing means at a contact portion with the ultrasonic sensor. It is characterized by being.

  According to the mounting holder of the ultrasonic sensor according to the present invention, the container side is an adhesive layer, the ultrasonic propagation medium can be easily and reliably held on the mounting holder, and further, the detection surface is provided with an adhesion suppressing portion. Therefore, the detection surface of the ultrasonic sensor is not adhered more strongly than necessary, and it is possible to suppress an excessive external force from being applied when removing the ultrasonic sensor, thereby suppressing damage to the ultrasonic sensor.

  The invention according to claim 8 is an ultrasonic sensor mounting holder for detecting the liquid held in the container, and is a flexible holder in which the outer surface of the container and the detection surface of the ultrasonic sensor are arranged to face each other. An ultrasonic wave propagation medium made of solid; an adhesion means for bringing the detection surface of the ultrasonic sensor into close contact with the ultrasonic wave propagation medium; and an adsorption means for bringing the ultrasonic wave propagation medium into close contact with the outer surface of the container. It is characterized by that.

According to the ultrasonic sensor mounting holder according to the present invention, the ultrasonic propagation medium is formed so that the corresponding surfaces thereof are substantially parallel so that the outer surface of the container and the detection surface of the ultrasonic sensor are opposed to each other. Since it is made of a solid that can be adhered along the outer surface of the container and the detection surface of the ultrasonic sensor due to its flexibility, the ultrasonic wave propagation medium is provided with a close-contact means that closely contacts the detection surface of the ultrasonic sensor. And the detection surface of the ultrasonic sensor are securely in close contact with each other, and since the suction means is provided, it is in close contact with the outer surface of the container, and as a result, without using a liquid or gel-like coplant through the ultrasonic propagation medium. The detection surface of the ultrasonic sensor and the container are reliably coupled acoustically.
Further, since the close contact means on the outer surface side of the container is based on the suction means, it can be easily attached and detached and can be handled easily.

  According to the ultrasonic sensor mounting method and the mounting holder according to the present invention, it is possible to easily and reliably connect and mount the ultrasonic sensor to the object to be measured. Moreover, high detection accuracy and reliability can be ensured by suppressing temporal changes and allowing ultrasonic waves to propagate reliably over a long period of time.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 and FIG. 2 are views showing the mounting relationship between the ultrasonic sensor mounting holder and the ultrasonic sensor according to the present invention, wherein reference numeral 1 indicates the mounting holder, reference numeral S indicates the ultrasonic sensor, and reference numeral 10 indicates both surfaces. A tape (ultrasonic transmission medium) is shown. Hereinafter, based on FIG. 1, FIG. 2, the structure of an attachment holder is demonstrated.

The mounting holder 1 includes a mounting holder body (mounting member) 2 and a double-sided tape 10. The mounting holder body 2 has an ultrasonic sensor S at the center of the main wall 3 formed in a substantially flat plate shape. An engaging portion 4 that can be inserted is provided.
Further, the main wall 3 of the mounting holder body 2 is adhered to one surface of the double-sided tape 10, whereby the main wall 3 firmly holds the double-sided tape 10, and the other surface of the double-sided tape 10. Can be firmly fixed and attached to the surface of the container V.

  The engaging portion 4 includes a cylindrical wall portion 5 formed in a cylindrical shape, and the cylindrical wall portion 5 is disposed on the mounting holder main body 2 so that its axis is perpendicular to the portion to be measured of the container V. When the sonic sensor S is inserted, the detection surface S1 is arranged to face the surface of the container V.

  The opening 7 on the side of the cylindrical wall 5 where the ultrasonic sensor S is inserted is formed in, for example, an oval shape, and a sensor engagement portion S2 formed in an oval shape complementary to the shape of the opening 7 is provided. The sensor 7 can pass through the opening 7 in a predetermined direction, and after the sensor engaging portion S2 passes through the opening 7, the ultrasonic sensor S is rotated around the axis so that the longitudinal direction of the sensor engaging portion S2 is reached. The ultrasonic sensor S is pressed to the container V side by the engagement of the arc-shaped protrusion located at the end with the engaging portion 6.

The engaging portion 6 is composed of two holes extending in the circumferential direction of the cylindrical wall portion 5, and these holes are formed opposite to each other at point-symmetric positions with the axis of the cylindrical wall portion 5 as the center point. The ultrasonic sensor S is slit in the axial direction so that the ultrasonic sensor S moves forward to the container V side by rotating the ultrasonic sensor S in the mounting direction around the axis, for example, in the clockwise rotation direction.
In this embodiment, the engaging portion 6 is formed as two holes penetrating from the inside of the cylindrical wall portion 5 to the outside.
The main wall portion 3 is provided with an opening so that the detection surface S1 of the ultrasonic sensor S inserted through the engagement portion 4 can come into contact with one surface 10A of the double-sided tape 10.

The double-sided tape 10 has a tape base 11 made of a transparent and soft acrylic resin sheet having a certain thickness and formed into a sheet, and an adhesive layer (first adhesion means) 11A made of an acrylic adhesive. (Second contact means) 11B, the adhesive layer 11A is on the surface where the tape substrate 11 is in contact with the detection surface S1 of the ultrasonic sensor S, and the adhesive layer 11B is on the surface where the tape substrate 11 is in contact with the container V. It is provided on the surface on the contact side.
Here, the soft acrylic resin preferably has a hardness of 0 to 70 (JIS K6253 durometer type A).
In addition, the adhesive layer 11B is provided with a fluorine coat layer (adhesion suppression means) 15 for suppressing adhesion to the detection surface S1.

Next, a method for attaching the attachment holder 1 will be described with reference to FIG.
For example, a target portion suitable for detecting the liquid L to be detected held in the container V of the blood V and other containers holding blood and body fluid, for example, the liquid L on the outer surface of the container V The attachment holder 1 is affixed with the other surface 10B of the double-sided tape 10 in close contact with the boundary between the gas and the gas.

In this case, a predetermined amount of the liquid L held in the container V may be held in the container V in a stationary state, and the container V is provided with either an inflow port or an outflow port, and flows in and out. The liquid level may be changed by performing either or both of the above.
If the container V is transparent or semi-transparent and the height of the substance inside can be confirmed, the container V can be visually confirmed through the opening 7 of the engaging portion 4 and the transparent double-sided tape 10 as necessary. The mounting holder 1 may be adhered in accordance with the height of the liquid L.

Next, the position of the oval sensor engagement portion S2 of the ultrasonic sensor S and the opening portion 7 formed in the oval shape formed in the engagement portion 4 are aligned, and the ultrasonic sensor S is placed in the opening portion 7. While inserting, the ultrasonic sensor S is rotated.
When the ultrasonic sensor S is rotated around the axis in the mounting direction, the arc-shaped protrusion located at the longitudinal end of the sensor engaging portion S2 engages with the engaging portion 6 and is further rotated. The ultrasonic sensor S advances in the axial direction toward the container V and is pressed by the lead formed in the axial direction of the engaging portion 6, and the detection surface S <b> 1 is in close contact with the one surface 10 </ b> A of the double-sided tape 10. .

By doing so, the detection surface S1 of the ultrasonic sensor S and the outer surface of the container V are connected and acoustically coupled.
In this state, an ultrasonic wave is transmitted from the detection surface S1 of the ultrasonic sensor S, and the ultrasonic wave is passed inward from the outer surface of the container V via the double-sided tape 10, and the reverberation due to the presence or absence of the liquid L. The presence or absence of liquid is detected by the waveform.

  When the attachment holder is removed from the container V, the attachment holder 1 is pulled away from the container in a state where the ultrasonic sensor S is attached or removed, and the adhesive layer 11A of the double-sided tape 10 is attached to the surface of the container V. The mounting holder 1 can be removed from the container V by peeling away from the container V.

  According to the mounting holder 1 of the above embodiment, the ultrasonic propagation medium is made of a sheet-like acrylic resin, and the detection surface S1 and the container V are brought into close contact with the surfaces 10A and 10B on both sides of the double-sided tape 10, and acoustically. The ultrasonic waves can be efficiently propagated while being stably coupled and suppressing the attenuation of the ultrasonic waves.

As a result, the detection surface can be easily placed opposite to the surface of the container, it can be mounted in a short time, and it is difficult for individual differences and variations in work during installation. Compared to liquid and gel coplants. Therefore, since it is easy to handle, there is no individual difference during installation, and stable installation is possible.
Further, since the coplanar is not in a liquid or gel form, it can be used repeatedly multiple times, and the running cost can be greatly reduced.

  When the ultrasonic sensor S is attached to the engaging member 4, it can be attached by inserting and rotating the ultrasonic sensor S from the opening of the engaging member 4, so that manual operation is possible without using a tool or the like. It can be installed and removed with ease and is easy to handle.

Moreover, since the attachment holder 1 can be easily removed from the container V, the measurement position by the ultrasonic sensor S can be easily changed in a short time.
Since the double-sided tape 10 has a vibration absorbing action, it is possible to prevent positional deviation and inclination caused by the ultrasonic sensor S moving due to vibration.
Further, since the double-sided tape 10 made of acrylic resin is transparent, it can be easily attached while confirming the position where the ultrasonic sensor S is in contact with the container V.

  In addition, since the fluorine coating layer 15 is provided on the adhesive layer 11B of the double-sided tape 10, the detection surface S1 of the ultrasonic sensor S is strongly adhered to the adhesive layer 11B of the double-sided tape 10 more than necessary. In addition, when the ultrasonic sensor S is removed, it is possible to suppress an excessive external force from being applied to the ultrasonic sensor S, so that damage to the ultrasonic sensor S can be suppressed.

  In addition, by adhering the adhesive layer 11B of the double-sided tape 10 to the mounting holder 1, deformation of the double-sided tape 10 is suppressed even when repeated use or attachment / detachment is repeated for a long time. Since the surface 10A is firmly held by the flat portion of the main wall portion 3 of the mounting holder body 2, the double-sided tape 10 is not easily deformed when the mounting holder 1 is mounted and removed, and the detection surface 10 is accurately placed in the container V. In addition to being able to continue to face the outer surface, stable detection accuracy and reliability can be maintained over a long period of time.

Next, a second embodiment of the present invention will be described with reference to FIG.
FIG. 4 is a view showing an attachment holder 1 for an ultrasonic sensor according to the second embodiment. In this embodiment, the configuration is the same as that of the first embodiment, and the same portions are denoted by the same reference numerals and description thereof is omitted.

In the ultrasonic sensor mounting holder 1, the ultrasonic propagation medium 12 is formed in a multi-stage cylindrical shape, the close-contact means 13 for bringing the detection surface S 1 of the ultrasonic sensor S into close contact with the ultrasonic propagation medium, and the container of the ultrasonic propagation medium. A suction cup (adsorption means) 14 for bringing the V-side surface into close contact with the container V is provided, and is made of, for example, the flexible soft acrylic resin described in the first embodiment.
The term “flexibility” as used herein refers to the property that the soft acrylic resin desired in the first embodiment has a hardness of 0 to 70 (JIS K6253 durometer type A). In the second embodiment, It does not necessarily mean that the multistage cylindrical ultrasonic propagation medium 12 itself bends.

Further, the close contact means 13 is a recess 12A formed substantially the same diameter as the outer diameter of the ultrasonic sensor S, and the recess 12A includes a bottom surface (one surface) 10A and a flexible wall portion 12B. The bottom surface (one side surface) 10A and the surface (the other side surface) 10B that is in close contact with the outer surface of the container V are formed substantially parallel to each other.
The suction cup 14 is attached to the outer periphery of the cylindrical shape of the ultrasonic propagation medium 12, and the annular large diameter portion formed in the inner periphery of the through hole in the central portion of the suction cup 14 is engaged with the large diameter portion of the multistage cylindrical shape. The ultrasonic wave propagation medium 12 is integrated with the ultrasonic wave propagation medium 12 and is made of a soft acrylic resin made of the same material as the ultrasonic wave propagation medium 12.

Next, based on FIG. 4, the attachment method of the attachment holder 1 in 2nd Embodiment is demonstrated.
The suction cup 14 is pressed against the container V near the boundary between the liquid L and the gas on the outer surface of the container V suitable for detecting the liquid L held in the container V, for example, the air inside the suction cup 14 Is attached to the container V.

Next, the wall portion 12B constituting the concave portion 12A is slightly enlarged and the ultrasonic sensor S is inserted into the concave portion 12A. The detection surface S1 of the ultrasonic sensor S is caused by the contraction force of the wall portion 12B. One side surface) 10A is attracted and brought into close contact.
In this state, the detection surface S1 of the ultrasonic sensor S and the outer surface of the container V are joined and acoustically coupled.

  In the ultrasonic sensor mounting holder 1 configured as described above, the ultrasonic propagation medium 12 includes a close contact means for bringing the detection surface S1 of the ultrasonic sensor S into close contact with each other. The sensor S is firmly held, the detection surface S1 of the ultrasonic sensor S is in close contact with the bottom surface 10A of the ultrasonic wave propagation medium 12, and the outer surface of the container V is placed on the other side of the ultrasonic wave propagation medium 12 by the suction cup 14. 10B.

As a result, the detection surface S1 of the ultrasonic sensor S and the outer surface of the container V can be connected via the ultrasonic propagation medium 12 without using a liquid or gel-like plant, and can be reliably coupled acoustically. .
Further, since the close contact means on the outer surface side of the container V is the suction cup 14, it can be easily attached to and detached from the container V.
In addition, the adhesion means of the ultrasonic sensor S uses the flexibility of a soft acrylic resin, is simple and robust against mechanical external force, and does not require the use of an adhesive or the like. Reduction is possible.

In addition, this invention is not limited to the said embodiment, In the range which does not deviate from the meaning, it can change suitably.
For example, although the case where the double-sided tape 10 is an acrylic resin has been described, a material other than the acrylic resin, for example, silicon or urethane may be used. Further, the pressure-sensitive adhesives constituting the pressure-sensitive adhesive layers 11A and 11B are not limited to acrylic pressure-sensitive adhesives.
Moreover, although the case where the fluorine coating layer 15 was provided in the surface of the adhesion layer 11A as an adhesion prevention means which prevents that the ultrasonic sensor S sticks to the adhesion layer 11A strongly was demonstrated, only the range is adhesive. It is good also as an adhesion prevention means by not apply | coating.

Moreover, although the case where the main wall 3 is substantially rectangular is shown in FIG. 1, the shape of the main wall 3 can be formed in an arbitrary shape corresponding to the shape of a circular shape, a polygon, or other attachment portion. Needless to say, the configuration of the engaging portion 4 is not limited to the above embodiment.
Moreover, in the said embodiment, although the case where the fluorine coat layer 15 was formed in 11 A of adhesion layers was demonstrated as an example of the adhesion suppression means in 11 A of adhesion layers by the ultrasonic sensor S side, other peelability is favorable. Other materials such as urethane may be coated.

Moreover, in the said 2nd Embodiment, although the ultrasonic propagation medium 12 and the suction cup 14 both demonstrated the case where they consist of a soft acrylic resin, these may be comprised by a silicon | silicone and urethane, for example, The suction cups 14 may be made of different materials, and the suction cups 14 may be made of a material that is not necessarily good in ultrasonic propagation such as rubber.
In addition, although the ultrasonic propagation medium 12 and the suction cup 14 are separately formed and engaged to be integrated, a structure integrally formed may be used.

  Further, the case where the recess 12A is used as the contact means 13 and the suction cup 14 is used as the suction means has been described, but other contact means and suction means may be used.

In addition, the adhesive layer 11A may not be provided in the detection part of the ultrasonic sensor of the adhesive layer 11A, or a material with low adhesiveness is applied to the target part, or the surface of the adhesive layer 11A is shaded, for example. The adhesive force of the adhesive layer may be suppressed by coating in a shape or the like. Further, the range for forming the adhesion suppressing means may be all or a part of the detection surface S1.
Moreover, in the said embodiment, although the case where the container V was a medical container V holding blood and body fluids including a blood reservoir was demonstrated, it can be applied to containers for other purposes.

It is a perspective view which shows the attachment relationship of the attachment holder which concerns on this invention, and an ultrasonic sensor. It is a perspective view from the container side of the mounting holder which concerns on this invention. It is a figure which shows the state which attached the attachment holder of 1st Embodiment which concerns on this invention to the container. It is a figure which shows the state which attached the attachment holder of 2nd Embodiment which concerns on this invention to the container.

Explanation of symbols

1 Mounting Holder 2 Mounting Holder Body (Mounting member)
4 engaging member 10 double-sided tape (ultrasonic propagation medium)
10A One side surface 10B The other side surface 11 Tape base 11A, 11B Adhesive layer (adhesion means)
12 Ultrasonic propagation medium 12A Adhering means 14 Suction cup (adsorbing means)
15 Fluorine coat layer (adhesion suppression means)
L Liquid S Ultrasonic sensor S1 Detection surface V Container

Claims (8)

An ultrasonic sensor mounting method for detecting a liquid held in a container,
1st contact means which consists of a solid which has flexibility, and makes the detection surface of the above-mentioned ultrasonic sensor stick to the surface of one side of the above-mentioned solid, The outside surface of the above-mentioned container is the other side of the above-mentioned one surface of the above-mentioned solid Through an ultrasonic wave propagation medium provided with a second contact means that is located on the other side surface that is disposed opposite to the one side surface,
A method for attaching an ultrasonic sensor, comprising connecting a detection surface of the ultrasonic sensor and an outer surface of the container. An ultrasonic sensor mounting method according to claim 1,
The ultrasonic propagation medium is formed in a sheet shape,
The ultrasonic sensor mounting method, wherein the first contact means and the second contact means are formed of an adhesive layer. A method of attaching an ultrasonic sensor according to claim 2,
The method for attaching an ultrasonic sensor, wherein the ultrasonic propagation medium is an acrylic resin. A method of attaching an ultrasonic sensor according to claim 2 or claim 3,
The method of attaching an ultrasonic sensor, wherein the ultrasonic propagation medium includes an adhesion suppressing means at a contact portion with the ultrasonic sensor. An ultrasonic sensor mounting holder for detecting a liquid held in a container,
A sheet-like ultrasonic propagation medium having an adhesive layer on both of the surface in contact with the ultrasonic sensor and the surface in contact with the container;
While holding the sheet-like ultrasonic propagation medium,
An attachment holder for an ultrasonic sensor, comprising: an attachment member arranged so that a detection surface of the ultrasonic sensor faces an outer surface of the container with the sheet-like ultrasonic propagation medium interposed therebetween. A mounting holder for an ultrasonic sensor according to claim 5,
The ultrasonic sensor mounting holder, wherein the ultrasonic propagation medium is made of an acrylic resin. The ultrasonic sensor mounting holder according to claim 5 or 6,
An ultrasonic sensor mounting holder, wherein the ultrasonic propagation medium includes an adhesion suppressing means at a contact portion with the ultrasonic sensor. An ultrasonic sensor mounting holder for detecting a liquid held in a container,
An ultrasonic propagation medium made of a flexible solid in which the outer surface of the container and the detection surface of the ultrasonic sensor are arranged to face each other;
A contact means for bringing a detection surface of the ultrasonic sensor into close contact with the ultrasonic propagation medium;
An attachment holder for an ultrasonic sensor, comprising: suction means for bringing the ultrasonic propagation medium into close contact with the outer surface of the container.

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