JP7009041B2 - Dry / humidity measuring device - Google Patents

Description

The present invention relates to a dry / humidity measuring device.

It is known that in order to measure the dryness and humidity of laundry such as conventional cloth, it is possible to measure by infrared rays or a thermo device, and it is possible to measure by electric resistance. Further, a method of measuring the dryness and humidity by setting the laundry on a hanger or the like with electrodes is also known. However, according to the above configuration, there are problems that it is expensive, the measurement point is fixed, the amount of electric power is large, and it is not suitable for frequent measurement by driving with a small battery. there were.

Non-Patent Document 1 discloses that two electrodes are attached to a hanger or the like, and the electric resistance value of the wet laundry hung on the hanger or the like is measured to measure the dryness.

Patent Document 1 discloses that an image display device having a built-in semiconductor element that converts skin dry humidity into color can determine skin dry humidity.

Patent Document 2 discloses that a sensor for detecting a change in the weight of the suspended and held laundry is provided in a means for suspending and holding the laundry, and the dry state is grasped by the weight change.

Patent Document 3 discloses that a radio wave is emitted toward a laundry, the intensity of the radio wave transmitted through the laundry is detected, and the degree of dryness of the laundry is detected.

Nanami Tajima, 2 outsiders, "AwareHanger: Research on hangers that notify the dryness of laundry", Interaction Proceedings, Information Processing Society Symposium Series, 2011 (March), pp. 227-230, Information Processing Society of Japan, [online] Academic Institutional Repository Database (IRDB), Internet <http://jairo.nii.ac.jp>

Japanese Unexamined Patent Publication No. 2011-217987 Japanese Patent Application Laid-Open No. 62-253100 JP-A-2007-195745

An object of the present invention is to be able to appropriately and accurately grasp the dryness and humidity of an object to be measured such as laundry over a wider range than before, corresponding to the content such as water contained therein. It is to provide a dry-humidity measurement device.

The dry / humidity metering device according to the present embodiment applies a predetermined potential to the first electrode and the second electrode provided apart from each other on the first surface side of the object to be measured, and the first electrode. A power supply unit that applies an earth potential to the second electrode, a measurement unit that measures the impedance of the measurement object based on the voltage between the first electrode and the second electrode, and the second unit of the measurement object. A third electrode provided on the side of the second surface existing in the back direction of the surface 1, to which neither the predetermined potential nor the earth potential is applied, and the first electrode and the second electrode are not short-circuited . An electrode is provided, and the electrode that gives the predetermined potential and the electrode that gives the earth potential do not exist on the second surface side, and the first surface side of the measurement object has the first surface side. A first mode in which an electrode and the second electrode are provided and the third electrode is provided on the second surface side of the measurement object to perform measurement in the measurement unit, and the first mode of the measurement object. A second electrode in which the first electrode and the second electrode are provided on the surface side of 1 and the measurement unit performs measurement without providing the third electrode on the second surface side of the object to be measured. It is characterized by having a mode .

The block diagram of the dry-humidity degree measuring apparatus which concerns on 1st Embodiment. It is a block diagram of the dry-humidity condition measuring apparatus which concerns on 2nd Embodiment, (a) is a plan view, (b) is the I-I sectional view of (a). The side view of the electrode part which is the main part of the dry-humidity degree measuring apparatus which concerns on 3rd Embodiment. The side view of the electrode part which is the main part of the dry-humidity degree measuring apparatus which concerns on 4th Embodiment. A side view of an electrode portion and a perspective view of the electrode, which are the main parts of the dry / humidity measuring device according to the fifth embodiment. A side view of an electrode portion and a perspective view of the electrode, which are the main parts of the dry / humidity measuring device according to the sixth embodiment. The side view of the electrode part which is the main part of the dry-humidity degree measuring apparatus which concerns on 7th Embodiment. The side view of the electrode part which is the main part of the dry-humidity degree measuring apparatus which concerns on 8th Embodiment. The side view of the electrode part which is the main part of the dry-humidity degree measuring apparatus which concerns on 9th Embodiment. The side view of the electrode part which is the main part of the dry-humidity degree measuring apparatus which concerns on tenth embodiment. The block diagram of the dry humidity degree measuring apparatus which concerns on eleventh embodiment. The side view of the electrode part which is the main part of the dry-humidity degree measuring apparatus which concerns on a twelfth embodiment. The block diagram of the dry-humidity degree measuring apparatus which concerns on 13th Embodiment. FIG. 6 is a configuration diagram of a main part of the dry / humidity measuring device according to the fourteenth embodiment.

Hereinafter, embodiments of the dry / humidity measuring device according to the present invention will be described with reference to the accompanying drawings. In each figure, the same components are designated by the same reference numerals, and duplicate description will be omitted. FIG. 1 shows a configuration diagram of a dry / humidity measuring device according to the first embodiment. This dry / humidity measuring device includes a first electrode 11, a second electrode 12, and a third electrode 13. The first electrode 11, the second electrode 12, and the third electrode 13 have a thickness of about several millimeters and a planar shape of a square or a rectangular shape, for example. The plane area is not particularly limited, but is usually about 10 mm × 10 mm to 20 mm × 20 mm.

The first electrode 11 and the second electrode 12 are provided apart from each other on the first surface 22 side of the object to be measured 21. The third electrode 13 is provided on the side of the second surface 23 existing in the back direction of the first surface 22 of the measurement object 21.

Further, the dry / humidity measuring device according to the present embodiment includes a power supply unit 30 and a measuring unit 40. The power supply unit 30 applies a predetermined potential to the first electrode 11 and gives an earth potential to the second electrode 12, and includes a battery 31 and a power switch 32. The voltage VDD generated by the battery 31 is applied to the first electrode 11 via the resistor 33.

Further, the measuring unit 40 measures the impedance of the object to be measured 21 based on the voltage between the first electrode 11 and the second electrode 12. The measuring unit 40 takes out a voltage from between the resistor 33 and the first electrode 11 via the amplifier 41 and sends the voltage to the AD conversion unit 42. The AD conversion unit 42 digitizes the analog voltage arriving from the amplifier 41 and sends it to the main arithmetic processing circuit unit 43.

The main processing circuit unit 43 has a microcomputer and a transmission unit as main components, and obtains the impedance of the object to be measured 21 by using the digital voltage coming from the AD conversion unit 42. That is, a constant current value is passed through the measurement object 21 by the power supply unit 30, and the microcomputer holds this constant current value in advance, so that the impedance of the measurement object 21 is measured using the digital voltage. Is what you want. It is also possible to set the impedance as the dry / humidity total value.

The impedance or dry / humidity matching value data is sent from the transmission unit to, for example, a user's mobile electronic terminal that monitors the dry / humidity matching of the measurement object 21. The portable electronic terminal or the like can be a smartphone, a mobile phone, a PDA (personal digital assistant), a PC (personal computer) or the like.

The object to be measured 21 is mainly laundry, but is not limited to this, and may be food such as dried fish, soil, or the like. Further, the liquid that gives moistness is mainly water, but it may be a liquid having conductivity such as oil.

In FIG. 1, the impedance between a pair of electrodes is shown by one resistance symbol, which is a symbol showing the impedance of a curved path rather than an oblique direction or a straight line. In the dry / humidity matching device of the present embodiment, as shown in FIG. 1, the impedance Rh1 between the first electrode 11 and the second electrode 12, and the impedance Rv1 between the first electrode 11 and the third electrode 13 are It is predicted that the combined impedance of the impedance Rv2 between the second electrode 12 and the third electrode 13 can be appropriately captured.

FIG. 2 shows a dry / humidity measuring device according to the second embodiment. In this second embodiment, the dry / humidity measuring device has a clothespin-shaped shape composed of the first piece 51 and the second piece 52. The first piece 51 has a grip portion 53 on which the hand is placed, and the second piece 52 has a grip portion 54 on which the hand is placed. The other end side of the grip portion 53 is the first holding member 55, and the other end side of the grip portion 54 is the second holding member 56. The grip portion 53 and the first holding member 55 are connected by an inclined connecting portion 57, and the grip portion 54 and the second holding member 56 are connected by an inclined connecting portion 58. A spring 59 is embedded in the inner slope of the connecting portion 57 and the inner slope of the connecting portion 58, and the first piece 51 and the second piece 52 are connected to each other. The first piece 51 and the second piece 52 rotate about the spring 59, and the space between the first holding member 55 and the second holding member 56 opens and closes. The spring 59 is urged so that the space between the first holding member 55 and the second holding member 56 is closed. As a result, the measurement object 21 is sandwiched between the first holding member 55 and the second holding member 56.

Recessed storage chambers 55A and 56A are formed on the facing surfaces of the first holding member 55 and the second holding member 56, and the storage chamber 55A has the first electrode 11 and the second electrode 12. By being retracted, the first holding member 55 accommodates the first electrode 11 and the second electrode 12. By storing the third electrode 13 in the storage chamber 56A, the second holding member 56 stores the third electrode 13.

The power supply unit 30 and the measurement unit 40 are held by either the first holding member 55 or the second holding member 56. In the present embodiment, the power supply unit 30 and the measurement unit 40 are stored and fixed in the storage chamber 55A, and are held by the first holding member 55.

Of course, when the measurement object 21 is sandwiched between the first holding member 55 and the second holding member 56, the first electrode 11 and the second electrode 12 are the measurement objects 21. An electrical connection is obtained with the first surface 22 side, and an electrical connection is obtained between the third electrode 13 and the second surface 23 side of the measurement object 21.

In the first embodiment and the second embodiment, the measurement can be performed without using the third electrode 13. In the first embodiment, the first electrode 11 and the second electrode 12 are not connected to the third electrode 13, so that the third electrode 13 is excluded. , Only the first electrode 11 and the second electrode 12 are provided apart from each other on the first surface 22 side of the object to be measured 21. The model circuit diagram in this case is as shown in FIG. 3, which is the third embodiment. That is, the combined resistance RL between the first electrode 11 and the second electrode 12 is RL = R1. According to this aspect, it is possible to measure the dryness and humidity of a thin cloth such as laundry without using the third electrode 13.

FIG. 4 shows a model circuit diagram in the case of performing dry / humidity measurement according to the fourth embodiment. The third electrode 13 is composed of two child electrodes 13s and 13s and a short member 16 that electrically short-circuits the two child electrodes 13s and 13s. Since there is no electrode between the child electrode 13s and the child electrode 13s, the measurement target exists in the region from between the child electrode 13s and the child electrode 13s to the first electrode 11 and the second electrode 12. There is a possibility that the impedance of the composition of the object 21 is not measured, but if the impedance that may not be measured is negligible, the measurement without any practical problem can be performed by this embodiment.

5 and 6 show examples of deformation of the electrode shapes of the first electrode 11, the second electrode 12, and the child electrode 13s (the same applies to the third electrode 13). FIG. 5 shows the main part of the dry / humidity measuring device according to the fifth embodiment, and FIG. 6 shows the main part of the dry / humidity measuring device according to the sixth embodiment. The shape of the electrode shown in FIG. 5A is a shape also referred to as a partial sphere shape when the sphere is cut by a plane of a circle parallel to the circle including the sphere center (FIG. 5B). The shape of each electrode shown in FIG. 6 can be called a quadrangular pyramid shape shown in FIG. 6 (b) or a trapezoidal pillar shape in which the trapezoid shown in FIG. 6 (c) is laminated. The tip of the electrode is sharpened (including a gentle shape rather than an acute angle), and the tip is inserted into the inside of the object to be measured 21. According to the shape of this electrode, it is expected that the impedance can be measured in the range from the surface to the inside of the object to be measured 21 or in the range from the surface of the object to be measured 21 to the position pushed down inward. It is suitable when it is necessary to take a wide area.

7 to 10 show a main part of a dry-humidity measurement device that employs an electrode having a rod shape extending inward toward the inside of the measurement object 21 or an electrode having a rod shape extending inward toward the inside of the measurement object 21. However, it is shown by a model circuit diagram. The rod-shaped shape is a thin cylinder (for example, 10 mm or less) or a prism, which does not appear in the figure here, but may be sharpened toward the inside of the object to be measured 21. The example of FIG. 7 is a main part of the dry / humidity measuring device according to the seventh embodiment, and the electrodes having the above-mentioned shape are adopted for the first electrode 11 and the second electrode 12 in the first embodiment. In this embodiment, it is suitable when it is required to measure the internal impedance of the object to be measured 21 between the first electrode 11 and the second electrode 12 to perform a dry / humidity measurement.

FIG. 8 shows a main part of the dry / humidity measuring device according to the eighth embodiment. In the example of FIG. 8, in the example of FIG. 7, both tips 13e and 13e of the third electrode 13 are shaped portions extending in a rod shape toward the inside of the measurement object 21. In this embodiment, in addition to the embodiment shown in FIG. 7, it is required to measure the impedance inside the object to be measured 21 at both tips 13e and 13e of the third electrode 13 to measure the dry / humidity ratio. Suitable for cases.

FIG. 9 shows a main part of the dry / humidity measuring device according to the ninth embodiment. In the example of FIG. 9, in the first embodiment, both tips 13e and 13e of the third electrode 13 are shaped portions extending in a rod shape toward the inside of the measurement object 21. In this embodiment, the impedance inside the object to be measured 21 on the side of the first electrode 11 and the second electrode 12 does not matter so much, and the object 21 to be measured is located at both tips 13e and 13e of the third electrode 13. It is suitable when it is required to measure the dry / humidity degree by measuring the internal impedance of the.

FIG. 10 shows a main part of the dry / humidity measuring device according to the tenth embodiment. In the example of FIG. 10, in the example of FIG. 3, electrodes having the above-mentioned shape are adopted for the first electrode 11 and the second electrode 12. In this embodiment, it is suitable when it is required to measure the internal impedance of the object to be measured 21 between the first electrode 11 and the second electrode 12 to perform a dry / humidity measurement.

FIG. 11 shows a main part of the dry / humidity measuring device according to the eleventh embodiment. In the example of FIG. 11, the measurement can be performed without using the third electrode 13, and the device can be provided inside the measurement object 21 for the measurement. That is, the power supply unit 30 and the measurement unit 40 are confined in the insulation module 50, and the lead wires 61 and 62 having an insulating coating are connected to the electrodes from the power supply unit 30 and the measurement unit 40. The lead wire 61 is connected to the first electrode 11, and the lead wire 62 is connected to the second electrode 12. It is suitable when it is required to measure the impedance between the position where the first electrode 11 is arranged and the position where the second electrode 12 is arranged inside the object to be measured 21 to perform a dry / humidity test.

FIG. 12 shows a main part of the dry / humidity measuring device according to the twelfth embodiment. The example of FIG. 12 has the function of an opposing electrode with respect to the first electrode like the second electrode, and the first electrode with respect to the second electrode, like the third electrode 13. As described above, a plurality of electrodes having the functions of facing electrodes are provided to expand the measurement range. Specifically, the distance between the first electrode 11 and the second electrode 12 is increased from the electrode arrangement state in the embodiment of FIG. For example, a distance of about 1.5 times the length of the third electrode 13 in FIG. 1 can be provided. Further, a fourth electrode 14 having substantially the same area as the first electrode 11 and the third electrode 13 is provided adjacent to the third electrode 13, and a fifth electrode having substantially the same area as the third electrode is provided. The electrode 15 is provided between the first electrode 11 and the second electrode 12.

As shown in FIG. 12, when the impedance between the electrodes is Rh1, Rh2, Rh3, Rv1, Rv2, Rv3, Rv4, the combined resistance RL between the first electrode 11 and the second electrode 12 is The function f can be expressed as RL = f (Rh1, Rh3, Rh3, Rv1, Rv2, Rv3, Rv4). It is suitable when it is required to expand the measurement range and measure the impedance to perform the dry / humidity measurement. By further increasing the number of electrodes corresponding to the fourth electrode 14 and the fifth electrode 15, a wider range of measurement is possible.

In the above embodiment, the power supply unit 30 has been described as a direct current, but an AC power supply can also be used. This makes it possible to measure not only the resistance component but also the volume component, and it is possible to measure not only the water contained in the fiber but also the amount of water contained inside the cell or the like. .. Further, the measurement object 21 is used so that the second surface 23 thereof is close to gravity, and the first electrode 11 and the second electrode 12 obtain an electrical connection to the second surface of the measurement object 21. It is also possible to make a measuring device having a structure in which the third electrode 13 is electrically connected to the first surface 22. With this configuration, it will be attached to the underside of the cloth or the like, and moisture or the like will fall down due to gravity. Can be measured. It is also possible to provide not only the electrodes of the first electrode 11 and the second electrode 12 but also the power supply unit 30 and the measurement unit 40 on the second surface 23 side of the measurement object 21. In this configuration, it is preferable to have a structure in which the electrodes are on the top and the power supply unit 30 and the measurement unit 40 including a heavy substrate or the like are confined in the insulating module and hung downward.

FIG. 13 shows a dry / humidity measuring device according to a thirteenth embodiment. In the thirteenth embodiment, the dry / humidity measuring device has a modified clothespin-shaped shape composed of the first piece 71 and the second piece 72. The first piece 71 has a curved surface on one surface, and has a base portion 73 having a substantially rectangular parallelepiped shape, and two rod-shaped bodies 74, 74 are formed by extending from one side wall surface of the base portion 73. A first electrode 11 and a second electrode 12 are exposed at the tips of the rod-shaped bodies 74 and 74. A first electrode 11 is provided at the tip of one rod-shaped body 74, and a second electrode 12 is provided at the tip of the other rod-shaped body 74. In the present embodiment, the power supply unit 30 and the measurement unit 40 are housed and fixed in the base 73. In the rod-shaped bodies 74 and 74, the same side as the curved surface of the base 73 is a curved surface, and the first electrode 11 and the second electrode 12 are exposed on the back surface side of the curved surface. A pair of bearings 75, 75 are projected from the non-curved flat surface of the base 73 near the bases of the rods 74, 74.

The second piece 72 is formed of a flat plate having two arm portions 76 and 76 on one side, and is a conductor as a whole, and functions as a third electrode 13. The opposite side of the arm portions 76, 76 has an area in which the two arm portions 76, 76 are combined, and is a grip portion 77 on which a hand is placed. A bearing 78 is provided so as to project from the surface of the grip portion 77 near the bases of the arm portions 76 and 76 facing the first piece 71. The bearing 78 has a width that can be inserted into the gap between the pair of bearings 75, 75 of the first piece 71, and is provided with a shaft (not shown) that is fitted into the hole of the bearing 75, 75 and the hole of the bearing 78. The second piece 72 is combined with the first piece 71. A spring (not shown) is inserted into a shaft (not shown) fitted to the bearings 75, 75 and the bearing 78. This spring is a second piece with the second piece 72 and the first piece 71 coupled to each other. The arm portions 76, 76 of 72 are urged in the direction of the first piece 71. The arm portions 76 and 76 have flat portions 76A and 76A having a small area at the tip portion, and are convex outward (opposite to the first piece 71) on the root side of the flat portions 76A and 76A of the arm portions 76 and 76. It has curved portions 76B and 76B curved to the surface. The grip portion 77 is formed so as to warp outward (opposite to the first piece 71) from the vicinity of the boundary portion with the arm portions 76 and 76 toward the tip portion. Therefore, as described above, when the arm portions 76 and 76 of the second piece 72 are urged toward the first piece 71 by the spring, the tip end side of the grip portion 77 is largely separated from the plane of the first piece 71. Presents a condition. That is, the dry / humidity measuring device according to the thirteenth embodiment has a deformed clothespin type shape.

As described above, the present embodiment has a clothespin-shaped shape in which the first piece and the second piece are connected via a spring, and the second piece is a conductor and functions as a third electrode. It is a thing. As a result, the rod-shaped body 74, 74 has a configuration in which the measurement object 21 is sandwiched between the surface provided with the first electrode 11 and the second electrode 12, and the arm portions 76, 76. In this case, since the second piece 72 is a conductor, there is an advantage that electrical contact with the object to be measured 21 can be obtained in any part of the second piece 72, and appropriate measurement is possible. be. Further, the curved shape of the arm portions 76 and 76 has an advantage that a thick measurement object 21 such as a futon can be accurately sandwiched.

FIG. 14 shows a perspective view of a main part of the dry / humidity measuring device according to the fourteenth embodiment. FIG. 14 shows a second piece 82 that can be used in place of the second piece 72 of the embodiment of FIG. The second piece 82 includes a coil spring 81, a leg portion 83 connected to one winding end of the coil spring 81, a grip portion 84 connected to the other winding end of the coil spring 81, and a frame-shaped pressing portion 85. I have. The coil spring 81, the leg portion 83, the grip portion 84, and the pressing portion 85 may be configured by one conductor wire and integrated, or may be integrated as a member of each conductor. Is also good. When the coil spring 81, the leg portion 83, the grip portion 84, and the pressing portion 85 are composed of individual conductor members, the individual conductor members are joined by welding, welding, or the like.

The coil spring 81 has dimensions to be fitted between the pair of bearings 75, 75 provided in the first piece 71 of FIG. Further, the inner diameter of the coil spring 81 is slightly larger than the outer diameter of the shafts arranged on the bearings 75 and 75, and the shaft is penetrated to attach the second piece 82 to the first piece 71. Alternatively, the inner diameter of the coil spring 81 is much larger than the outer diameter of the shafts arranged in the bearings 75 and 75, and a cylindrical spacer having a shaft hole penetrating the shaft is fitted in the hollow portion of the coil spring 81. ..

The leg portion 83 extends outward from one winding end of the coil spring 81 in parallel with the axis of the coil spring 81, is then bent at a substantially right angle in the radial direction of the coil spring 81, and advances to the same extent as the diameter of the coil spring 81, and then the coil spring 81. It is terminated at a position that extends the required dimensions in the radial direction of. The portion straight from this end position is the pressing portion 83A that is pressed against the first piece 71.

The grip portion 84 has a straight portion 84A extending in the tangential direction in the circle of the coil spring 81 from the other winding end of the coil spring 81, and when the straight portion 84A has an appropriate length, the grip portion 84 is bent at an appropriate position so as to be easy to handle. It is looped and formed into a ring shape.

The pressing portion 85 has a substantially quadrangular frame shape starting from a position where the grip portion 84 is coupled to the coil spring 81. The quadrangular frame is composed of an upper frame 86U and a lower frame 86D parallel to the axis of the coil spring 81, and two side frames 87N and 87F connecting the end of the upper frame 86U and the end of the lower frame 86D. , Convexly curved.

When the coil spring 81 is arranged between the bearings 75 and 75 and the second piece 82 is attached to the first piece 71 by a shaft, the upper side frame 86U of the pressing portion 85 is the first piece 71 due to the urging force of the coil spring 81. It comes into contact with the electrode 11 of 1 and the second electrode 12, and the loop portion of the grip portion 84 is separated from the first piece 71. When the second piece 82 is viewed from the direction in which the coil spring 81 looks like a circle, the angle formed by the pressing portion 83A and the straight portion 84A is the pressing portion 85 when the grip portion 84 is brought closer to the first piece 71. Is appropriately designed in consideration of the dimension away from the first piece 71.

As described above, in this embodiment of the dry / humidity measuring device using the second piece 82 instead of the second piece 72 of the embodiment of FIG. 13, the first piece and the second piece are connected via a spring. It has a clothespin-shaped shape, and the second piece is a conductor, which functions as a third electrode. As a result, the rod-shaped body 74, 74 has a configuration in which the measurement object 21 is sandwiched between the surface on which the first electrode 11 and the second electrode 12 are provided and the pressing portion 85. In this case, since the second piece 82 is a conductor, there is an advantage that electrical contact with the object to be measured 21 can be obtained in any part of the second piece 82, and appropriate measurement is possible. be. Further, the curved shape of the pressing portion 85 has an advantage that a thick measurement object 21 such as a futon can be accurately sandwiched.

11 1st electrode 12 2nd electrode 13 3rd electrode 13e Tip 13s Child electrode 14 4th electrode 15 5th electrode 16 Short member 21 Measurement target 30 Power supply unit 40 Measurement unit 41 Amplifier 42 Conversion unit 43 Main Arithmetic processing circuit part 50 Insulation module 51, 71 First piece 52, 72, 7482 Second piece 53, 54, 77, 84 Grip part 55, 56 Holding member 55A, 56A Storage chamber 57, 58 Communication part 59 Spring 61, 62 Lead wire 74 Rod-shaped body 76 Arm part 83 Leg part 85 Pushing part

Claims (15)

The first electrode and the second electrode provided apart from each other on the first surface side of the object to be measured,
A power supply unit that applies a predetermined potential to the first electrode while applying a ground potential to the second electrode.
A measuring unit that measures the impedance of the object to be measured based on the voltage between the first electrode and the second electrode.
The first electrode and the second electrode are provided on the side of the second surface existing in the back direction of the first surface of the object to be measured, and are not given the predetermined potential or the ground potential. With the third electrode that is not short -circuited,
Equipped with
On the second surface side, the electrode that gives the predetermined potential and the electrode that gives the ground potential do not exist.
The first electrode and the second electrode are provided on the first surface side of the measurement object, and the third electrode is provided on the second surface side of the measurement object in the measurement unit. The first mode in which measurement is performed, the first electrode and the second electrode are provided on the first surface side of the measurement object, and the third electrode is provided on the second surface side of the measurement object. The second mode in which the measurement is performed in the measuring unit without providing the electrode of
A dry / humidity measuring device characterized by being equipped with. A first holding member for accommodating the first electrode and the second electrode, and
A second holding member for accommodating the third electrode is provided.
The dry / humidity measurement device according to claim 1, wherein the power supply unit and the measuring unit are held by either one of the first holding member and the second holding member. The dry / humidity measuring device according to claim 1 or 2, wherein the third electrode is composed of two child electrodes and a short-circuit member that electrically short-circuits the two child electrodes. The invention according to any one of claims 1 to 3, wherein the tip of the first electrode and the tip of the second electrode are sharpened, and the tip is inserted into the inside of the object to be measured. Dry / humidity measuring device. The dry / humidity measurement device according to any one of claims 1 to 4, wherein the tip of the third electrode is sharpened and the tip is inserted into the inside of the object to be measured. The dry / humidity measuring device according to any one of claims 1 to 4, wherein the measurement can be performed without using the third electrode. The dry / humidity measurement device according to claim 2, further comprising a configuration in which the object to be measured is sandwiched between the first holding member and the second holding member. The dry / humidity measuring device according to any one of claims 1 to 7, wherein the power supply unit uses an AC power supply. One of claims 1 to 4, wherein the first electrode, the second electrode, the power supply unit, and the measuring unit are provided on the lower surface of the object to be measured in the direction of gravity. The dry / humidity measuring device described in the section. The dry / humidity measurement device according to claim 1, wherein the measurement can be performed without using the third electrode, and the device can be provided inside the object to be measured. The dry / humidity measuring device according to any one of claims 1 to 10, further comprising a transmitting unit for transmitting the measurement result of the measuring unit. A fourth electrode having substantially the same area as the third electrode is provided adjacent to the third electrode.
The dry / humidity measurement device according to claim 1, wherein a fifth electrode having substantially the same area as the third electrode is provided between the first electrode and the second electrode. The tip of the first electrode and the tip of the second electrode are sharpened so that the tip is inserted inside the object to be measured and / or the third electrode, the fourth electrode, and the like. The dry / humidity measurement device according to claim 12, wherein at least one of the fifth electrodes is sharpened, and the tip thereof is inserted into the inside of the object to be measured. The first aspect of the present invention is characterized in that the first piece and the second piece have a clothespin-shaped shape in which they are connected via a spring, and the second piece is a conductor and functions as a third electrode. The dry / humidity measuring device described. The dry / humidity measuring device according to claim 14, wherein the second piece and the spring are integrated, and the second piece is a conductor and functions as a third electrode.

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