JP2019128342A - Water content measuring device and water content measuring method of absorbent article - Google Patents

Abstract

To provide a water content measuring device and a water content measuring method for manufacturing an absorbent article of high quality superior in absorbency and comfort which can reproduce swing motion of an absorbent article by motion of a wearer and can measure liquid water content of the absorbent article in the swing motion.SOLUTION: The water content measuring device comprises: a measuring part 100 measuring water content that liquid is absorbed in an absorbent article; a liquid feeding part 200 feeding the liquid to the measuring part 100; and a control part 300 which can control the measuring part 100 and the liquid feeding part 200. The measuring part 100 consists of an install base 110, a cartridge 120 installed above the install base 110 and swing means 140 reproducing swing motion of the absorbent article by motion of a wearer.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a moisture content measuring device and a moisture content measuring method for measuring the moisture content of an absorbent article such as diapers having absorbed a liquid.

  In the past, when researching, developing, and manufacturing absorbent articles such as diapers that are excellent in absorbency and comfort, liquids were dropped on the absorbent articles as an index for evaluating the selection and arrangement of appropriate absorbent materials, etc. The moisture content at the time is measured.

  For example, a moisture measuring device described in Patent Document 1 irradiates a moisture layer remaining on the surface of a test body that is an absorbent article such as a diaper to generate scattered light, and the scattered light is converted into a photoelectric converter. The surface moisture measuring device which measures the moisture which remains on the surface of a test object is proposed by converting into a voltage and detecting by this.

  In addition, the moisture measuring device described in Patent Document 2 is for measuring moisture on the surface of an absorbent article in a state where a wearer is in a stationary state such as a posture in which a wearer is sitting on a chair or a posture in which he is lying on a bed. A moisture measuring device has been proposed.

Unexamined-Japanese-Patent No. 1-134231 (patent 2812440) JP, 2008-249609, A (patent No. 4932568)

  However, the surface moisture measuring device described above is a surface moisture measuring device that measures moisture remaining in the absorbent article in a stationary state such as a sitting posture in which the wearer is not relatively moving, a lying posture, and the like. Moisture content for measuring the moisture content of liquid absorbed in the swinging state of absorbent articles due to movements such as walking of a person (including moving in a crawling state such as an infant's crawling) or turning over during sleep There was no rate measuring device and moisture content measuring method.

  In addition, when performing daily life with a diaper worn, it is desirable to have a moisture content measuring device that reproduces various actions in daily life and accurately measures the moisture content of absorbent articles in a long-time rocking state. It is rare.

  The present invention reproduces the rocking state of the absorbent article by the action of the wearer, and can constantly measure the moisture content of the liquid of the absorbent article in the rocking state, and is excellent in absorbability and comfort. An object of the present invention is to provide a moisture content measuring device and a moisture content measuring method for producing a high quality absorbent article.

  This invention is made in view of the said subject, Comprising: The measurement part which measures the moisture content of an absorbent article, the liquid supply part which supplies a liquid to this measurement part, the said measurement part, and the said liquid supply part A controller for controlling the water content of the absorbent article, the water content measuring apparatus further comprising: a controller for controlling the water content of the absorbent article, wherein the measuring section measures the water content adjacent to the surface of the absorbent article. A cartridge provided with a sensor, a rocking means for reproducing the rocking state of the absorbent article in a worn state of the absorbent article by turning the cartridge, and a setting table for setting the cartridge upward And a moisture content measuring device.

  Further, the rocking means is disposed above the link for converting the rotational driving force of the drive portion into the piston movement in the front and rear direction, and the cartridge for rotating the entire cartridge in the front and rear direction by the piston movement of the link. A rotary shaft portion in the vertical direction and a swing plate mounted with the absorbent article and rotated in conjunction with the rotary shaft portion, and the entire cartridge is rotated around the central axis of the rotary shaft portion by the piston motion of the link It is preferable to rotate it.

  Further, the swinging means includes a tilt angle adjusting portion for tilting the entire cartridge so as to tilt the central axis of the vertical rotation shaft portion disposed above the cartridge at a predetermined tilt angle; It is preferable to have the rotation drive part which rotates the whole cartridge.

  Further, the swinging means includes an outer frame for supporting the entire cartridge, an inner frame pivotally supported by a first rotation shaft fixed in the outer frame, and an inner frame fixed to the inner frame. A cartridge pivotally supported by two rotary shafts; and a driving unit for independently rotating each of the first rotary shaft and the second rotary shaft, the second rotary shaft being a first rotary shaft It is preferable to arrange so that it may be orthogonal to the rotation direction of a rotating shaft.

  Further, in addition to the configuration described above, the cartridge preferably has a water leak confirmation sensor near the upper side inside the cartridge.

  Moreover, the moisture content measurement method of this invention comprises a moisture content measurement process which measures the moisture content of an absorbent article using the moisture content measurement apparatus which consists of a structure mentioned above.

  Furthermore, in addition to the above-described configuration, it is preferable that the water content measurement step be performed at the same time as the rocking motion of the absorbent article to constantly measure the water content of the absorbent article.

  Moreover, it is preferable to provide the graph display process of making the time change of the moisture content of the measured absorbent article into a graph and displaying in addition to the structure mentioned above.

  According to the first to eighth aspects of the present invention, the swinging state of the absorbent article is reproduced by the movement of the wearer's walking (including an infant's scooping), turning over during sleep, running, etc. Moisture content of the absorbent article in the condition can be measured, and a moisture content measuring device for producing a high quality absorbent article excellent in absorbability and comfort, and time in the swinging condition of the absorbent article It is possible to provide a measurement method capable of constantly measuring the changing moisture content.

It is a schematic perspective view which shows an example of the moisture content measuring apparatus which concerns on embodiment of this invention. FIG. 2 is an enlarged perspective view of a measurement unit in a state where an absorbent article is mounted on the swing plate of FIG. 1. FIG. 3 is an enlarged central sectional view taken along line AA in FIG. 2. It is the BB sectional drawing of FIG. It is a top view which shows a series of rotational movement of the cartridge and swing board in the measurement part of FIG. It is the figure which plotted the measurement result of the time change of the moisture content of an absorbent article using the moisture content measuring apparatus which concerns on this embodiment. It is a schematic front view which shows the rocking | swiveling means of the measurement part of the moisture content measuring apparatus which concerns on 2nd Embodiment. (A) side view of FIG. 7, (b) It is a top view. It is a schematic front view which shows the state which made the inclination angle in FIG. 7 (a) 90 degree, (b) minus 90 degree. FIG. 7 is a schematic front view showing a water quantity confirmation sensor for checking liquid leakage and a pan for receiving when liquid leaks in the measurement unit of FIG. 6; It is a side view of FIG. It is a schematic perspective view which shows the measurement part of the moisture content measuring apparatus which concerns on 3rd Embodiment. 13A is a plan view showing a rocking means of the measurement unit of FIG. 12, FIG. 12B is a front perspective view of the periphery of the cartridge, and FIG. (A) pivotal movement of the cartridge and the swing plate by the first rotary shaft of the outer frame, and (b) rotation of the cartridge and the swing plate by the second rotary shaft of the inner frame. It is a conceptual diagram which shows dynamic motion.

(Embodiment)
Embodiments of the present invention will be described in detail with reference to the drawings. The absorbent article W is exemplified by a diaper (or an absorbent body such as an absorbent pad provided around the crotch such as a diaper or a sanitary short). Further, in the following description, the front and back direction with the housing side provided with the drive motor 141 that is the swinging means 140 of the measurement unit 100 viewed from a plane as the front and the direction orthogonal to the front and rear direction are horizontal and vertical The direction is the vertical direction.

  The water content measurement device includes, as shown in FIGS. 1 to 5, a measurement unit 100 for measuring the water content at which the liquid is absorbed by the absorbent article W, and a liquid supply unit 200 for supplying the liquid to the measurement unit 100. And a control unit 300 capable of controlling the measurement unit 100 and the liquid supply unit 200, and the measurement unit 100 includes an installation table 110 including a support surface 111 for supporting the absorbent article W in a curved state. It has the cartridge 120 installed above the installation stand 110, and the rocking | swiveling means 140 which reproduces the rocking state of the absorbent article W by operation | movement of a wearer.

  As shown in FIG. 3 and FIG. 4, the cartridge 120 confirms the supply pipe 123 for supplying liquid to the surface of the absorbent article W, the sensor 122 for measuring the moisture content of the absorbent article W, and the amount of water supplied. And a water amount confirmation sensor 124 for carrying out the operation. In order to reproduce the state worn by the wearer, the bottom surface of the outer peripheral side of the box has a contact surface 121 having a substantially semicircular cross-section that simply imitates the shape of the human body's buttocks, etc. The contact surface 121 has an opening that can expose the supply port 123a of the supply pipe 123 described later toward the absorbent article W. It is. Preferably, the entire cartridge 120 is mainly formed of a transparent material such as glass or plastic in order to make the absorbent article W, the sensor 122, the supply pipe 123, etc. easily visible from the outside of the measurement unit 100. (See FIGS. 3 and 4).

  Further, at the upper portion of the cartridge 120, there is provided a rotation shaft portion 125 which rotatably supports the cartridge 120 in a state of being installed on the installation table 110 above the installation table 110. The rotary shaft portion 125 is formed in a substantially cylindrical body communicating with the inside of the cartridge 120 in the central axis Z direction, and on the inner peripheral surface side of the rotary shaft portion 125, the connection pipe 220 etc. A tubular guide portion 123b for guiding the inside of the box 120 is provided, and on the outer peripheral side surface of the rotary shaft portion 125, a first circumferential groove 125a to be held by the fixed plate 112 and a third link of the swing means 140 described later And a second circumferential groove 125b for fixing 145 (see FIGS. 3 and 4).

  The installation table 110 is for installing the above-mentioned cartridge 120 in the upper part in order to make it possible to rock and move, and the cross section has a substantially U-shaped so that the wearer can support the absorbent article W in a worn state. And the fixed plate 112 rotatably supporting the rotation shaft portion 125 of the cartridge 120 described above. The support surface 111 is a contact surface 121 of the cartridge 120 with the absorbent article W. Preferably, it is formed in a substantially semicircular shape in cross section which has a shape similar to that of the bottom surface on the outer peripheral side of the cartridge 120 described above (see FIGS. 3 and 4).

  The supply pipe 123 is connected to a connection pipe 220 of a liquid supply unit 200 described later disposed inside the cartridge 120, and supplies a supply port 123a for supplying the liquid supplied from the liquid supply unit 200 to the surface of the absorbent article W. It is what you have. The supply port 123a of the supplier 123 can be disposed near the surface of the absorbent article W. For example, in order to reproduce the state that the wearer excretes, the position of the supply port 123a is a box body as viewed from the plane. Inclined by about 15 degrees to the front side from the central axis Z inside. In addition, it is preferable that a water amount confirmation sensor 124 is provided in the vicinity of the supply port 123a to check that the amount of liquid dropped is the same as the amount of liquid supplied from the liquid supply unit 220. For example, there is a digital fiber sensor manufactured by Panasonic Corp., etc. (see FIG. 3 and FIG. 4).

  The sensor 122 uses an optical sensor so that the measurement can be performed accurately even during the rotational movement of the cartridge 120, and is fixed around the supply port 123a of the supply pipe 123, and is a predetermined water content measurement position. It is arranged in the vicinity of the position. The sensor 122 is a light source mainly composed of an infrared diode that emits two types of infrared rays having wavelengths of 1.3 μm and 1.45 μm, and infrared rays emitted from the light source receive and detect reflected light from the surface of the absorbent article W. And a detection unit mainly comprising a photodiode. Of the two types of wavelengths, the wavelength of 1.3 μm is measured to remove noise as reference light that is not absorbed by water, and by measuring the reflected light of wavelength 1.45 μm absorbed by water, the absorbent article W Measure moisture content. In addition, it is preferable that at least two or more of the sensor 122 be arranged in parallel in order to measure the moisture content around the supply port 122a more precisely (for example, two-wavelength moisture manufactured by FujiWork Inc.) Sensor, etc.) (see FIGS. 3 and 4).

  The moisture content is obtained by measuring the reflected light of infrared wavelength converted into a voltage value by the detection unit of the sensor 122 and multiplying by a conversion coefficient given from a predetermined calibration table. The conversion factor is a certain voltage value measured with the absorbent article W in a dry state, with a moisture content of 0%, and a certain voltage value measured with the absorbent article W in a state sufficiently containing moisture, with a moisture content of 100%. It is preferable to use one that has been calibrated on the basis of.

  The swinging means 140 includes a drive unit 141 including a drive motor and the like disposed in a housing provided adjacent to the side (front side) of the installation table 110, and a rotational drive force of the drive unit 141 in the front-rear direction. And a link for converting into (horizontal direction) piston movement. This link rises in a substantially vertical direction at the crank 142 fixed to the rotating shaft of the drive unit 141, a substantially rod-shaped first link 143 connected to the crank 142 for piston movement, and a tip of the first link 143. A substantially rod-shaped second link 144 fixed in this manner, and a substantially flat fan-shaped third link 145 fixed to one end of the second link 144 and fixed to the rotating shaft 125 of the cartridge 120 at the other end. It consists of. Further, as another swinging means, as shown in FIG. 4, the second link 144 is provided with a grip portion 146 formed to extend upward from the third link 145, so that the manual third link 145 is provided. It is also possible to make the absorbent article W swing movement by rotating the cartridge 120 and the swing plate 130 by making the piston movement in the back and forth direction.

  In the swinging means 140 described above, the swing plate 130 is preferably disposed substantially parallel to the upper surface of the cartridge 120 so as to be located at the waist of the wearer, and the swing angle θ is about 38 degrees or less with respect to the front and rear direction. The pivoting state of the absorbent article W such as diapers in the walking operation of the wearer is reproduced by rotating the rotary shaft 125 around the central axis Z (see FIG. 5).

  As shown in FIG. 1, the liquid supply unit 200 includes a bottle 230 for storing liquid, a pump 210 for drawing the liquid from the bottle 230 to the supply pipe 123, and a connection pipe 220 for connecting the pump 210 and the supply pipe 123. (For example, a variable pump manufactured by Yamato Scientific Co., Ltd.). The connection tube 220 is preferably a silicon resin elastic tube formed in a tubular shape having an inner diameter of about 5 mm (for example, a silicon tube manufactured by Yamato Scientific Co., Ltd., etc.).

  As shown in FIG. 1, the control unit 300 sets the liquid supply amount and supply time by the pump 210 of the liquid supply unit 200 described above, starts the sensor 122 of the measuring unit 100, and drives the motor in the swinging means 140. 141, an operation unit that controls various basic operations such as driving, a display unit 310 that displays a graph or the like of the measured moisture content, and an output unit that outputs the measured moisture content to an external terminal (PC) , To prepare. The display unit 310 may display an operation screen using a liquid crystal screen including a pressure-sensitive sensor. Further, it is preferable that this external terminal (PC) also be provided with data processing means or the like for plotting and displaying a graph or the like.

  The absorbent article W may be anything that is worn and absorbs liquid such as excretion, such as diapers (including paper, cloth, children, adults, etc.), sanitary napkins, medical sheets, and the like. Can be mentioned. The surface of these absorbent articles W is provided with an absorbent formed mainly of a superabsorbent polymer such as sodium polyacrylate having high absorbency and water retention.

  Examples of the liquid include body fluids such as urine and blood. In the method for measuring moisture content described below, artificial urine, artificial blood, physiological saline, etc. adjusted to a predetermined component ratio by mixing a compound (sodium chloride, potassium chloride, etc.) that is a component contained in body fluid with water. May be measured.

  Next, a water content measurement method including the water content measurement step (S1-S5) of measuring the water content of the liquid absorbed in the absorbent article W by the water content measurement device having the above-described configuration will be described in detail.

  (S1) The absorbent article W to be measured is sandwiched between the absorbent article W from above the absorbent article W by the cartridge 120 of the measuring unit 100 with the support surface 111 of the installation table 110 and hits the position of the waist of the wearer. By wearing the waist of the absorbent article W on the swing plate 130, the state in which the wearer wears the absorbent article W is artificially reproduced.

  (S2) At this time, the sensor 122 of the measurement unit 100 and the supply port 123a of the supply pipe 123 are disposed at a position inclined 15 degrees forward of the central axis Z which is a predetermined measurement position, and when the wearer excretes. The state of the position where the liquid can be dropped is reproduced.

  (S3) Next, by swinging the cartridge 120 and the swing plate 130 of the measuring unit 100 by the swinging means 140, the swinging state of the absorbent article W in the walking operation of the wearer is reproduced, and the liquid supply unit A liquid is supplied to the supply pipe 123 from 200, and a predetermined amount of liquid is dropped into the absorbent article W intermittently several times at predetermined intervals (several minutes to several hours) from the supply port 123a. It is preferable that the amount of dripping liquid in this each time be approximately 1000 cc or less.

  (S4) Simultaneously with the above step S3, an infrared wavelength is irradiated from the light source of the sensor 122, the voltage value detected by the infrared ray reflected by the absorbent article W is measured, and the voltage value is determined in advance by a calibration table. The moisture content calculated by multiplying the conversion factor is displayed. At this time, this conversion factor is obtained by measuring the voltage value of the absorbent article W that has been dried in advance and the absorbent article W in a state sufficiently containing water and calibrating the moisture content to 0% and 100%, respectively. It is preferable.

  (S5) A desired time, such as several minutes to several hours, is controlled by the control unit 300 in the above steps S1-S3 and the measurement is repeated, and at the same time a graph of moisture content measured on the display unit 310 and its time change is plotted indicate. Further, the measured data may be output to an external terminal (PC) for storage, graph plotting, and the like.

  One example which plotted the change of the moisture content of the absorptive article W as a graph with the measurement result of the moisture content measured by the moisture content measurement process (S1-S5) mentioned above is shown in Drawing 6 (graph display process).

  As described above, according to the above-described embodiment, the swinging state of the absorbent article W due to the walking motion of the wearer is reproduced, and the time change of the moisture content of the absorbent article W is constantly measured in the swinging state. It is possible to provide a moisture content measuring device and a moisture content measuring method capable of

  In the second embodiment, as shown in FIGS. 7, 8 and 9, an inclination angle at which the central axis Z, which is the axial center of the rotary shaft 125 in the vertical direction in the measurement unit 100, is inclined at a predetermined inclination angle γ. The swinging means 150 of the absorbent article W provided with the adjustment unit 151 and the rotation drive unit 152 for rotating the cartridge 120 around the central axis Z will be described in detail. In addition, only the number is attached | subjected to drawing and the part which is common in the structure of embodiment mentioned above is abbreviate | omitted about detailed description.

  As shown in FIG. 8A, the inclination angle adjusting unit 151 includes a leg portion 151a that supports the entire cartridge 120 installed above the installation table 110, and a column portion 151b that stands upward from the leg portion 151a. A fixed shaft portion 151c that is pivotally attached to the support surface 111 of the leg portion 151a from the support column portion 151b in a substantially horizontal direction and that fixes the rotating shaft portion 125 of the measuring unit 100 to the tip, and the fixed shaft portion 151c. And a drive motor 151 d for rotating. The drive motor 151d is engaged with the fixed shaft portion 151c by a plurality of rotation gears 151f and 151f to perform a predetermined rotation operation, so that the central axis Z in the rotation shaft portion 125 of the measurement unit 100 is set to a desired inclination angle γ. Inclined. Further, it is preferable that the drive motor 151 d be controlled to incline the cartridge 120 at a desired inclination angle γ by connecting to the control unit 300 and arbitrarily inputting the desired inclination angle γ.

  As shown in FIG. 8B, the rotation drive unit 152 is located above the cartridge 120 of the measurement unit 100 and fixed so as to be adjacent to the rotation shaft unit 125 of the measurement unit 100. A transmission gear 125c provided on the outer periphery of 125, a rotation gear 152a that meshes with the transmission gear 125c and rotates the cartridge 120 about the central axis Z, and a drive motor 125b that rotates the rotation gear 125a. It will be. It is preferable to connect the control unit 300 to control the rotation speed, rotation direction, and the like of the drive motor 152b.

  According to the second embodiment, for example, when the inclination angle γ shown in FIG. 9A is 90 degrees, the absorbent article W of the absorbent article W by the operation of turning the body while the wearer is lying on the bed is turned upside down. It is possible to measure the moisture content of the absorbent article in a state where the swinging state is reproduced. In addition, when the inclination angle γ shown in FIG. 9 (b) is set to minus 90 degrees, a state in which the swinging state of the absorbent article W due to the turning operation of rotating the body in a state where the wearer is lying on the bed is reproduced. It is possible to measure the moisture content at. In addition, by repeating the movements shown in Fig. 9 (a) and (b) and exercising like a pendulum, when riding on swings or other play equipment, or when riding a car, etc., compared to walking or sitting. It is possible to measure the moisture content of the absorbent article W in a state in which a more violent rocking state is reproduced.

  In addition to the second embodiment described above, as shown in FIGS. 10 and 11, a water leak confirmation sensor 126 (similar to the water quantity confirmation sensor 124) is attached near the upper side of the inside of the cartridge 120 of the measurement unit 100. Then, when the cartridge 120 of the measurement unit 100 is swung, in a state where the diaper as the absorbent article W is worn, liquid leakage around the waist of the wearer can be confirmed. Further, even when the liquid leaks, it is preferable to provide a substantially rectangular receiving tray 113 having a width that can cover the swinging range of the cartridge 120 in a plan view.

  In addition, as a third embodiment, as shown in FIGS. 12, 13 and 14, the rocking means 160 for rocking the cartridge 120 of the measurement unit 100 in the vertical direction will be described in detail.

  The swinging means 160 has a substantially square outer frame 161 for fixing the whole of the measuring unit 100 installed on the installation stand 110 and a substantially rectangular frame rotatably supported by the first rotation shaft 161 a in the outer frame 161. An inner frame 162 having a shape, a second rotating shaft 162 a provided in the inner frame 162, and a swing plate 130 for fixing the absorbent article W that swings in conjunction with the cartridge 120. The second rotation shaft 162 a is provided to be orthogonal to the rotation direction of the inner frame 162. That is, the first rotary shaft 161a rotates the cartridge 120 and the inner frame 162 (see FIG. 14A), and the second rotary shaft 162a is the cartridge 120 with respect to the plane formed by the inner frame 162. Is rotated (see FIG. 14B).

  The drive portions of the first rotation shaft 161a and the second rotation shaft 162a directly fix the drive portions 161b and 162b made of a drive motor capable of switching the rotation direction to the outer frame 161 and the inner frame 162, respectively. Is. Further, the number of rotations, the direction of rotation, and the like of the drive units 161 b and 162 b are connected to the control unit 300 and controlled.

  According to the third embodiment, the cartridge 120 and the swing plate 130 are rotated by the first rotating shaft 161a of the outer frame 161, and the cartridge 120 and the swing plate 130 are rotated by the second rotating shaft 162a of the inner frame 162. By the swinging means 160 of the absorbent article W in combination with the dynamic motion, it is possible to reproduce the motion of the wearer more intensely, for example, the swinging state of the absorbent article W due to a sudden motion such as running. It is possible to provide a moisture content measuring device capable of measuring the moisture content of the absorbent article W even in such a rocking state.

  Although a plurality of preferred embodiments of the present invention are illustrated in the above embodiment, the present invention is not limited to only the above embodiment, and improvements and changes can be made within the scope described in the claims. . For example, it is equipped with a cover that covers the entire measurement unit, and it is possible to measure humidity simultaneously by incorporating a hygrometer inside, or load due to the weight of the wearer by adding load application means incorporating a weight etc. above the measurement unit It is possible to appropriately change according to the absorbent article to be measured, such as temperature adjustment means by heating wire or the like in order to reproduce the state of adding the temperature, or the temperature of the wearer.

W: Absorbent article, θ: Deflection angle, Z: Central axis, γ: Inclination angle
100… Measurement part,
110 ... Installation stand, 111 ... Support surface, 112 ... Fixing plate, 113 ... Tray,
120 ... cartridge, 121 ... contact surface, 122 ... sensor, 123 ... supply pipe, 123a ... supply port, 123b
... guide part, 124 ... water amount confirmation sensor, 125 ... rotary shaft part, 125a ... first circumferential groove, 125b ... second circumferential groove, 125c ... transmission gear, 126 ... water leakage confirmation sensor,
130 ... Swing board,
140 ... swing means, 141 ... drive motor, 142 ... crank, 143 ... first link, 144 ... second link, 145 ... third link, 146 ... gripping part,
150 ... oscillating means, 151 ... tilt angle adjusting unit, 151a ... leg part, 151b ... supporting part, 151c ... fixed shaft part, 151d ... drive motor, 151f ... rotary gear, 152 ... rotation drive part, 152a ... rotary gear, 152b ... drive motor,
160 ... oscillating means, 161 ... outer frame, 161a ... first rotating shaft, 161b ... driving unit (driving motor), 162 ... inner frame, 162a ... second rotating shaft, 162b ... driving unit (driving motor),
200 ... Liquid supply unit, 210 ... Pump, 220 ... Connection pipe, 230 ... Bottle,
300 ... Control unit, 310 ... Display unit

Claims (8)

Moisture content of the absorbent article comprising: a measurement unit that measures the moisture content of the absorbent article; a liquid supply unit that supplies liquid to the measurement unit; and a control unit that controls the measurement unit and the liquid supply unit. A moisture content measuring device for measuring the rate,
The measuring unit includes a cartridge provided with a sensor for measuring the moisture content adjacent to the surface of the absorbent article, and the shaking of the absorbent article when the absorbent article is worn by rotating the cartridge. A moisture content measuring apparatus comprising swing means for reproducing a moving state and an installation base for installing the cartridge upward. The swinging means includes a link for converting the rotational driving force of the drive unit into a piston motion in the front-rear direction, and a vertical direction disposed above the cartridge for rotating the entire cartridge in the front-rear direction by the piston motion of the link And a swing plate that rotates in conjunction with the rotation shaft portion with the absorbent article attached thereto,
2. The moisture content measuring device according to claim 1, wherein the rotation of the rotation axis of the entire cartridge is rotated as a central axis by the piston movement of the link.   The swinging means includes a tilt angle adjusting unit that tilts the entire cartridge so as to tilt the central axis of the vertical rotation shaft disposed above the cartridge at a predetermined tilt angle; and the cartridge around the central axis The moisture content measuring device according to claim 1, further comprising: a rotation driving unit that rotates the whole. The swinging means includes an outer frame that supports the measuring unit, an inner frame that is pivotally supported by a first rotating shaft that is fixed in the outer frame, and a second frame that is fixed to the inner frame. A cartridge that is pivotally supported by a rotating shaft, and a drive unit that rotates independently of each of the first rotating shaft and the second rotating shaft,
The moisture content measuring device according to claim 1, wherein the second rotation shaft is disposed so as to be orthogonal to the rotation direction of the first rotation shaft.   The moisture content measuring device according to any one of claims 1 to 4, wherein the cartridge has a water leak confirmation sensor in the vicinity of the upper side inside the cartridge.   A water content measurement method comprising a water content measurement step of measuring the water content of an absorbent article using the water content measurement device according to any one of claims 1 to 5.   The moisture content measurement method according to claim 6, wherein the moisture content measurement step is performed simultaneously with the rocking movement of the absorbent article to constantly measure the moisture content of the absorbent article. The moisture content measuring method according to claim 6, further comprising a graph display step for displaying the time change of the moisture content of the measured absorbent article as a graph.

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