WO2013125145A1 - 収着発熱性測定装置および収着発熱性測定方法 - Google Patents
収着発熱性測定装置および収着発熱性測定方法 Download PDFInfo
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- WO2013125145A1 WO2013125145A1 PCT/JP2012/083148 JP2012083148W WO2013125145A1 WO 2013125145 A1 WO2013125145 A1 WO 2013125145A1 JP 2012083148 W JP2012083148 W JP 2012083148W WO 2013125145 A1 WO2013125145 A1 WO 2013125145A1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/36—Textiles
- G01N33/367—Fabric or woven textiles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
- G01N25/48—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on solution, sorption, or a chemical reaction not involving combustion or catalytic oxidation
- G01N25/4846—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on solution, sorption, or a chemical reaction not involving combustion or catalytic oxidation for a motionless, e.g. solid sample
- G01N25/4853—Details
- G01N25/486—Sample holders
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- the present invention relates to a sorption exotherm measuring device and a sorption exotherm measuring method for measuring the sorption exotherm of a material having an effect of exotherm due to sorption of water molecules.
- Heat generation by sorption as well known in clothing such as wool is given to synthetic fibers, and the fibers themselves generate heat. Therefore, technology that enhances the heat retention effect is attracting attention. This technique is applied not only to fibers, but also to wicker, woven, knitted or non-woven fabrics. Furthermore, various applications such as processing these with a coating agent in which a powdered sorption exothermic material is dispersed, dispersing in a film, or forming into a sheet or paper have been attempted. Therefore, techniques for appropriately evaluating these sorption heat generation properties are important for promoting the development of products with high added value.
- a sample collected is prepared, an absolutely dry sample is put into a desiccator, and then left to stand to determine the temperature and humidity of the atmosphere in the desiccator.
- the temperature and moisture content of the test piece are also stabilized, and then the surface temperature of the sample is measured with a temperature sensor by exposing it to a high humidity atmosphere by opening the lid of the desiccator.
- Patent Document 1 describes a measuring device and measuring method for a heat-generating material based on heat of adsorption and thermal conductivity. Specifically, it is equipped with a precision rapid thermophysical property measurement unit, a temperature measurement unit, a water supply unit composed of a pump and the like, and an air supply unit. A sorption exothermic measuring device capable of simultaneously measuring thermal conductivity is disclosed.
- Patent Document 2 describes a heat generation test method and a test apparatus by sorption. Specifically, after the reaction vessel was divided into three sides by two test pieces, one central compartment and two side compartments were provided, and the humidity of these three compartment atmospheres was set as the initial condition. A method is disclosed in which the atmosphere in the central compartment or the side compartment is changed to test conditions, the temperature of two test pieces or the vicinity thereof is measured simultaneously, and the heat generation due to the sorption of the test pieces is evaluated. Yes.
- the present invention has been made in view of the above circumstances, and an object of the present invention is to provide a sorption heat generation measuring apparatus and a measuring method with improved accuracy and reproducibility.
- a sorption exothermicity measuring device comprises: A dry air supply unit; A humidified air supply unit; The dry air supplied from the dry air supply unit or the humidified air supplied from the humidified air supply unit flows in, and the supplied dry air or the supplied humidified air contacts at least a sample to be held.
- a flow rate adjusting unit that adjusts at least the flow rate of the humidified air out of the dry air or the humidified air flowing into the reaction measuring unit
- a flow rate measuring unit that measures at least the flow rate of the humidified air out of the dry air or the humidified air flowing into the reaction measuring unit is provided.
- the sorption exothermic measurement method comprises: A drying step of flowing dry air into the reaction measurement unit holding the sample; After the drying step, a humidifying step of flowing humidified air into the reaction measurement unit holding the sample, A measuring step of measuring a flow rate of humidified air flowing into the reaction measuring unit in the humidifying step; An adjustment step of adjusting the flow rate of the humidified air flowing into the reaction measurement unit measured in the measurement step to a predetermined flow rate; A temperature measurement step of measuring the temperature with a temperature sensor disposed in the vicinity of the sample held in the reaction measurement unit in a state where the flow rate of the humidified air is adjusted in the adjustment step.
- a sorption heat generation measuring apparatus and a measuring method with improved accuracy and reproducibility are provided.
- FIG. 1 is a schematic configuration diagram showing a sorption heat generation measuring apparatus according to Embodiment 1.
- FIG. 3 is a perspective view showing an internal arrangement of a reaction measuring device according to Embodiment 1.
- FIG. 4 is a schematic configuration diagram showing a sorption heat generation measuring apparatus according to a second embodiment.
- 6 is a flowchart showing an example of the operation of sorption heat generation measurement according to the second embodiment.
- FIG. 6 is a schematic configuration diagram showing a sorption heat generation measuring apparatus according to a third embodiment.
- FIG. 6 is a schematic configuration diagram showing a sorption heat generation measuring apparatus according to a fourth embodiment.
- FIG. 1 is a schematic configuration diagram showing a sorption heat generation measuring apparatus according to Embodiment 1.
- the sorption exothermicity measuring device 1 mainly includes an air pump 2, a bubbling device 3, a reaction measuring device 4, and a flow rate measuring device 5. These reaction devices are connected by a flow path through which dry air or humidified air flows. Between the flow paths, a switching valve 11 for switching the flow path, a dry air supply system needle valve 12 for adjusting the flow rate of the dry air, and a humidified air supply system needle valve 13 for adjusting the flow rate of the humidified air are provided. ing.
- FIG. 1 is a schematic configuration diagram showing a sorption heat generation measuring apparatus according to Embodiment 1.
- the sorption exothermicity measuring device 1 mainly includes an air pump 2, a bubbling device 3, a reaction measuring device 4, and a flow rate measuring device 5. These reaction devices are connected by a flow path through which dry air or humidified air flows. Between the flow paths, a switching valve 11 for switching the flow path, a dry air
- the reaction measuring device 4 includes a first foam heat insulating material 6 on the base of the measuring device, a temperature sensor 7, a sample holder 8 for holding a sample 10, and a second foam heat insulating material 9.
- the sample 10 refers to a test piece or molded product, for example, a woven fabric, a knitted fabric, a nonwoven fabric, a sheet-like product, a film, a paper, a powder molded product, or a clothing or a material obtained by processing these.
- pretreatment supply of dry air or the like
- the temperature of the sample 10 when dry air is supplied is measured before supplying humidified air.
- the process of measuring the temperature of the sample 10 when dry air is supplied is a process using humidified air, which will be described later, except that the switching valve 11 is set so that the flow path passes through the dry air supply system needle valve 12. It is the same. Further, the temperature immediately before the humidified air is supplied may be a measured temperature with dry air. Generally, the flow rate of dry air is not adjusted, and the dry air supply system needle valve 12 may not be provided, or may be set to a constant flow rate. However, as in the case of humidified air described later, the flow rate of dry air may be adjusted using the dry air supply system needle valve 12.
- the temperature measurement process of the sample 10 when humidified air is supplied will be described.
- the switching valve 11 is set from the air pump 2 so that the flow path passes through the bubbling device 3 containing water and the humidified air supply system needle valve 13, and the humidified air is caused to flow into the flow rate measuring device 5.
- the flow rate measuring device 5 measures the flow rate of the humidified air.
- it is confirmed whether or not the flow rate of the humidified air is in a certain range.
- the operator may confirm directly by visual observation, and if the operator is out of the certain range, warning information is sent from the flow meter 5 to the worker by means of sound or light. You may be able to.
- the flow rate within a certain range was measured by sorption exothermic measurement of a standard cloth (which is already used as an evaluation standard for measuring sorption exotherm).
- the flow rate is within a range in which a reference temperature measurement value can be obtained. If the flow rate of the confirmed humidified air is out of the predetermined range, the humidified air supply system needle valve 13 is manually loosened or closed, for example, and the flow rate of the humidified air is adjusted to be within the predetermined range. To do.
- the humidified air adjusted to the flow rate in the certain range, or the humidified air that was in the certain range at the time of measurement flows through the base of the reaction measuring device 4 and flows into the inside thereof.
- FIG. 2 is a perspective view showing the internal arrangement of the reaction measuring instrument according to the first embodiment.
- the humidified air that has flowed into the reaction measuring device 4 first contacts the first foam heat insulating material 6 in which the discharge holes 14 are formed.
- the first foam heat insulating material 6 corresponds to simulated skin when performing the sorption heat generation measurement of the sample 10. Thereafter, the humidified air flows in from the discharge hole 14 and flows out to the surface in the direction opposite to the surface in contact with the first foamed heat insulating material 6.
- the number of the discharge holes 14 shown in FIG. 2 is four, the said number is not limited.
- a temperature sensor 7 is disposed on the surface of the first foam insulation 6 in the opposite direction.
- the temperature sensor 7 is preferably in the form of a film, and is attached to the surface of the first foam heat insulating material 6 with an adhesive tape or the like. Further, the temperature sensing portion of the temperature sensor 7 is disposed so as to contact the sample 10.
- the sample holder 8 holds the sample 10 sandwiched between the first foam heat insulating material 6 so that the portion that senses the temperature of the temperature sensor 7 contacts the sample 10 at the periphery of the region including the temperature sensor 7. .
- the sample holder 8 has a cylindrical shape, and the sample 10 is attached to the bottom of the sample holder 8 with a tape or the like.
- the sample 10 is a test piece such as a clothing article, preferably, the sorption heat generation property is evaluated more precisely by attaching the sample 10 to the bottom so that the temperature sensor 7 is in direct contact with the surface touching the skin. Can do.
- the inside of the cylindrical shape of the sample holder 8 is arranged in a state where a space is provided from the bottom where the sample 10 adheres and a circular second foam heat insulating material 9 is packed.
- the 2nd foam heat insulating material 9 is arrange
- the humidified air flows out from the discharge hole 14 of the first foam heat insulating material 6 into the reaction measuring device 4 having such a configuration, and for example, the humidified air is supplied for about 30 minutes, and the sample is taken at regular intervals.
- the temperature 10 is measured by the temperature sensor 7.
- the inflow amount of the humidified air that directly flows into the reaction measuring device 4 is measured and adjusted.
- the amount of moisture applied per hour can be controlled. As a result, it is possible to obtain a sorption heat generation evaluation result with higher accuracy and improved reproducibility.
- FIG. 3 is a schematic configuration diagram showing a sorption heat generation measuring apparatus according to the second embodiment.
- the difference between the sorption exothermicity measuring device 1 according to the second embodiment and the sorption exothermicity measuring device 1 according to the first embodiment described above is that the flow rate measuring device 5 and the humidified air are That is, the control unit 15 is provided between the supply system needle valve 13 and the atmosphere air under a certain condition.
- the temperature of the air supplied from the air pump 2 is constant, which is used to evaluate the sorption heat generation from the temperature measurement. This is preferable because errors are unlikely to occur.
- the dry air supply system needle valve 12 may be omitted or may be set to a constant flow rate.
- a measurement method using the sorption heat generation measuring apparatus 1 according to the second embodiment will be described.
- the temperature measurement process after dry air or humidified air flows into the reaction measuring device 4 is the same as that in the first embodiment. However, there is one point different from the first embodiment in the process before the humidified air flows into the reaction measuring device 4. Details will be described below.
- the control unit 15 inputs the detected value of the flow rate from the flow rate measuring device 5 and adjusts the humidified air supply system needle valve 13 so that the determined flow rate is obtained. Also, at a predetermined timing, a temperature detection value is input from the temperature sensor 7 and recorded. Although not shown in FIG. 3, all of the air pump 2 and the switching valve 11 may be controlled by the control unit 15 so that air supply and flow path switching can be automatically performed.
- the pressure difference before and after the squeezing the pressure difference before and after the plate, or the ultrasonic propagation time is measured using a squeezing flow meter (Venturi meter), a differential pressure flow meter, or an ultrasonic flow meter. Then, an electric signal value indicating the flow rate is input.
- the flow rate can be adjusted by, for example, attaching an actuator to the operation portion of the needle valve and controlling the movement of the actuator.
- the flow rate measurement and the flow rate adjustment may be realized by any method.
- FIG. 4 is a flowchart showing an example of the operation of the sorption heat generation measurement according to the second embodiment.
- dry air is introduced into the reaction measuring device 4 by the dry air supply system (step S101), and for example, the temperature of the sample 10 after 1 to 2 minutes is measured (step S102).
- the flow path is switched by the switching valve 11 so that humidified air is supplied (step S103).
- the flow rate of the humidified air is measured by the flow rate measuring device 5 (step S104).
- step S105 If the flow rate is out of the certain range (step S105; NO), the humidified air supply system needle Information is sent so that the adjustment is automatically performed by the valve 13 (step S106). As described above, the flow rate of the humidified air is appropriately adjusted by the humidified air supply system needle valve 13, and the flow returns to the stage of measuring the flow rate of the humidified air again (step S104).
- step S105 If the flow rate is within a certain range (predetermined value) (step S105; YES), the temperature of the sample 10 is measured (step S108) if a predetermined time has passed (step S107; YES).
- the predetermined time is, for example, a cycle for measuring temperature.
- the predetermined time can be appropriately determined depending on the regulated flow rate, the material of the sample 10 or the atmospheric conditions. If the predetermined time has not elapsed (step S107; NO), the flow returns to the humidified air flow rate measurement stage again (step S104).
- step S107 When the predetermined time has elapsed (step S107; YES), the temperature of the sample 10 is measured (step S108), and then it is determined whether or not the temperature measurement is finished (step S109). For example, when performing temperature measurement a plurality of times, if the temperature measurement has not been completed a predetermined number of times (or time) (step S109; NO), the flow returns to the humidified air flow rate measurement stage again (step S104). When the temperature measurement for the specified number of times (or time) is finished (step S109; YES), the sorption heat generation measurement is finished.
- the inflow amount of the humidified air flowing directly into the reaction measuring device 4 is measured as in the first embodiment. Therefore, the amount of moisture applied per unit time can be controlled. As a result, it is possible to obtain a sorption heat generation evaluation result with higher accuracy and improved reproducibility. Moreover, since the control part 15 is also provided, it is simpler and more efficient.
- FIG. 5 is a schematic configuration diagram showing a sorption heat generation measuring apparatus according to the third embodiment.
- the difference between the sorption exothermic measuring device 1 according to the third embodiment and the sorption exothermic measuring device 1 according to the above-described first embodiment is as follows. That is, a plurality of flow rate measuring devices 5 are provided, and a needle valve 16 is provided between each supply flow path and the flow rate measuring device 5.
- a measurement method using the sorption heat generation measuring apparatus 1 according to the third embodiment will be described.
- the temperature measurement process after the dry air or humidified air flows into the plurality of reaction measuring devices 4 is the same as in the first and second embodiments. Further, the measurement of the sorption heat generation property is performed inside the atmospheric air under a certain condition (for example, a constant temperature and humidity chamber), as in the second embodiment. However, there is one point different from the first and second embodiments. Details will be described below.
- the process until the humidified air is supplied from the bubbling device 3 is the same as the process combining the first and second embodiments. However, after that, the humidified air is divided into a plurality of flow paths, passes through the plurality of needle valves 16, and the flow rate is measured by the flow rate measuring device 5 connected to each needle valve 16.
- each measured flow rate is within a certain range. If the measured flow rate is out of the certain range, the needle valve 16 connected to the flow rate measuring device 5 that has been out of the certain range. Is manually loosened or closed, and the flow rate of the humidified air is adjusted to obtain a flow rate in the certain range. Humidified air in each flow path adjusted to the flow rate in the certain range flows into the reaction measuring device 4 connected to each needle valve 16 and the flow rate measuring device 5, and the first embodiment described above. The sorption exothermicity is evaluated by the same measurement method as in 1 and 2. The sample 10 measured by each reaction measuring device 4 can be performed using various types of test pieces.
- the humidified air supply system needle valve 13 may be omitted, or may be set to a constant flow rate. Further, the humidified air supply system needle valve 13 may be used for roughly adjusting the amount of humidified air supplied. Although only four flow paths are illustrated in FIG. 5, the flow paths of the remaining reaction measuring devices 4 are omitted, and the sorption exothermic measurement apparatus 1 shown in FIG. It is possible to perform a piece experiment simultaneously.
- the inflow amount of the humidified air flowing directly into the reaction measuring device 4 is measured as in the first embodiment. Therefore, the amount of moisture applied per unit time can be controlled. As a result, it is possible to obtain a sorption heat generation evaluation result with higher accuracy and improved reproducibility. Moreover, since the sorption heat generation property can be evaluated for a large number of samples 10 in one operation, it is simpler and more efficient.
- FIG. 6 is a schematic configuration diagram showing a sorption heat generation measuring apparatus according to the fourth embodiment.
- the difference between the sorption exothermicity measuring apparatus 1 according to the fourth embodiment and the sorption exothermicity measuring apparatus 1 according to the first embodiment described above is that the air pump 2 and the dry air supply system
- a silica gel filling tube 17 is provided between the flow paths connecting the needle valve 12.
- the silica gel filling tube 17 is passed through the dry air of the air pump 2, and more The only difference is that the dried air flows into the reaction measuring device 4. That is, the difference between the measured temperature of the sample 10 with dry air and the measured temperature of the sample 10 with humidified air increases. Any substance other than silica gel may be used as long as it absorbs moisture such as calcium chloride.
- the inflow amounts of the dry air and the humidified air that directly flow into the reaction measuring device 4 are measured and adjusted. Therefore, the moisture application amount per unit time can be controlled. As a result, it is possible to obtain a sorption heat generation evaluation result with higher accuracy and improved reproducibility. Furthermore, since the measurement temperature difference between dry air and humidified air becomes large, it is possible to evaluate the sorption heat generation property with a minute difference.
- the adjustment of the air flow rate using the dry air supply system needle valve 12, the humidified air supply system needle valve 13 or the needle valve 16 is performed by fine adjustment using the air pump 2 or by adjustment combining these devices. You may substitute. Further, a commercially available valve-equipped flow meter that simultaneously measures and adjusts the air flow rate may be connected. In addition, air flow measurement, adjustment instruments or methods known to those skilled in the art may be utilized.
- any shape and arrangement may be used as long as the temperature of the test piece can be measured under the same conditions as in the present invention and the sorption heat generation can be evaluated.
- the air supply system shown in FIG. 5 can be switched and supplied to dry air (20 ° C. ⁇ 40% RH) and humidified air (20 ° C. ⁇ 90% RH) using a manual valve (switching valve 11).
- the configuration. Dry air (20 ° C. ⁇ 40% RH) is atmospheric air in a constant temperature and humidity chamber.
- As the flow rate measuring device 5 and the needle valve 16 a commercially available flow meter with a valve as an alternative is used.
- the inside of the reaction measuring device 4 connected to each will be described.
- the first foam heat insulating material 6 is a foamed styrene plate having a thickness of 5 to 7 mm, is 50 mm square, has four discharge holes 14 ( ⁇ 5 mm) formed on the circumference of a radius of 10 mm, and functions as simulated skin.
- the temperature sensor 7 is a film-like thin film temperature sensor, and is fixed to the first foam heat insulating material 6 with a double-sided tape.
- the sample holder 8 has a plastic cylindrical shape (inner diameter: 40 mm / outer diameter: 50 mm), and a position 2 mm high from the position where the sample 10 is attached is closed with a foamed styrene plate, which is the second foam heat insulating material 9. In some cases, a stagnant air layer is formed.
- the sample 10 (about 10 cm square) is attached to the bottom of the sample holder 8 with a double-sided tape so as not to be wrinkled. At this time, a surface opposite to the surface of the sample 10 that is a test piece of clothing that touches the skin is attached to the sample holder 8. Thereafter, the sample holder 8 is placed on the surface of the first foam heat insulating material 6 to which the temperature sensor 7 is fixed (see FIGS. 1 and 2).
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Abstract
Description
乾燥空気供給部と、
加湿空気供給部と、
前記乾燥空気供給部から供給される乾燥空気、または前記加湿空気供給部から供給される加湿空気が流入し、保持する試料に前記供給される乾燥空気または前記供給される加湿空気が接触する、少なくとも1つの反応測定部と、
前記反応測定部に流入する前記乾燥空気または前記加湿空気のうち、少なくとも前記加湿空気の流量を調節する流量調節部と、
前記反応測定部に流入する前記乾燥空気または前記加湿空気のうち、少なくとも前記加湿空気の流量を測る流量計測部とを備えることを特徴とする。
試料を保持する反応測定部に乾燥空気を流入する乾燥工程と、
前記乾燥工程の後に、前記試料を保持する反応測定部に加湿空気を流入する加湿工程と、
前記加湿工程で、前記反応測定部に流入する加湿空気の流量を計測する計測工程と、
前記計測工程で計測する前記反応測定部に流入する加湿空気の流量を、定めた流量に調節する調節工程と、
前記調節工程で前記加湿空気の流量を調節した状態において、前記反応測定部に保持された試料の近傍に配置される温度センサで、温度を計測する温度計測工程とを備えることを特徴とする。
図1は、実施の形態1に係る収着発熱性測定装置を示す概要構成図である。図1に示すように、収着発熱性測定装置1は、主として、エアポンプ2とバブリング器3と反応測定器4と流量計測器5とから構成されている。これらの反応機器は、乾燥空気または加湿空気が流れる流路によって繋がれている。流路の間には、流路を切り替えるための切替バルブ11、乾燥空気の流量を調節する乾燥空気供給系ニードルバルブ12、および加湿空気の流量を調節する加湿空気供給系ニードルバルブ13が備えられている。図1では、切替バルブ11は、空気がエアポンプ2、バブリング器3および加湿空気供給系ニードルバルブ13を流れる方向に、設定されていることを示す。反応測定器4は、測定器の土台上の第1の発泡断熱材6と、温度センサ7と、試料10を保持する試料ホルダ8と、第2の発泡断熱材9とから構成されている。
図3は、実施の形態2に係る収着発熱性測定装置を示す概要構成図である。図3に示すように、本実施の形態2に係る収着発熱性測定装置1と、前述の実施の形態1に係る収着発熱性測定装置1との差異は、流量計測器5と加湿空気供給系ニードルバルブ13との間に、制御部15が備わっていることと、一定条件の雰囲気空気内部に配置されていることである。
図5は、実施の形態3に係る収着発熱性測定装置を示す概要構成図である。図5に示すように、本実施の形態3に係る収着発熱性測定装置1と、前述の実施の形態1に係る収着発熱性測定装置1との差異は、全体として反応測定器4および流量計測器5を複数備えていることと、それぞれの供給流路と流量計測器5との間にニードルバルブ16を備えていることである。
図6は、実施の形態4に係る収着発熱性測定装置を示す概要構成図である。図6に示すように、本実施の形態4に係る収着発熱性測定装置1と、前述の実施の形態1に係る収着発熱性測定装置1との差異は、エアポンプ2と乾燥空気供給系ニードルバルブ12とを繋ぐ流路の間にシリカゲル充填管17を備えていることである。
以下、前述の図5において示した好ましい形態を、具体例にて説明する。
2 エアポンプ
3 バブリング器
4 反応測定器
5 流量計測器
6 第1の発泡断熱材
7 温度センサ
8 試料ホルダ
9 第2の発泡断熱材
10 試料
11 切替バルブ
12 乾燥空気供給系ニードルバルブ
13 加湿空気供給系ニードルバルブ
14 吐出穴
15 制御部
16 ニードルバルブ
17 シリカゲル充填管
Claims (8)
- 乾燥空気供給部と、
加湿空気供給部と、
前記乾燥空気供給部から供給される乾燥空気、または前記加湿空気供給部から供給される加湿空気が流入し、保持する試料に前記供給される乾燥空気または前記供給される加湿空気が接触する、少なくとも1つの反応測定部と、
前記反応測定部に流入する前記乾燥空気または前記加湿空気のうち、少なくとも前記加湿空気の流量を調節する流量調節部と、
前記反応測定部に流入する前記乾燥空気または前記加湿空気のうち、少なくとも前記加湿空気の流量を測る流量計測部と、
を備えることを特徴とする、収着発熱性測定装置。 - 前記収着発熱性測定装置は、複数の前記反応測定部を備え、
前記流量調節部は、前記反応測定部ごとに独立に前記加湿空気の流量を調節し、
前記流量計測部は、前記反応測定部ごとに独立に前記加湿空気の流量を計測する、
ことを特徴とする、請求項1に記載の収着発熱性測定装置。 - 前記反応測定部は、
前記流入する乾燥空気または前記加湿空気が一方の面から流入し他方の面に流出する吐出穴が形成され、断熱材から構成される第1の層と、
前記第1の層の前記乾燥空気または前記加湿空気が流出する面に配置された温度センサと、
前記温度センサを含む領域の周縁で、前記試料を前記第1の層とで挟んで保持する試料ホルダと、
前記温度センサを含む領域で試料を介在して前記第1の層に対向して配置され、断熱材から構成される第2の層と、
を有することを特徴とする、請求項1または2に記載の収着発熱性測定装置。 - 前記流量計測部で計測する流量が、定めた値になるように、前記流量調節部を調節する制御部をさらに備えることを特徴とする、請求項1または2に記載の収着発熱性測定装置。
- 前記流量計測部で計測する流量が、定めた値になるように、前記流量調節部を調節する制御部をさらに備えることを特徴とする、請求項3に記載の収着発熱性測定装置。
- 試料を保持する反応測定部に乾燥空気を流入する乾燥工程と、
前記乾燥工程の後に、前記試料を保持する反応測定部に加湿空気を流入する加湿工程と、
前記加湿工程で、前記反応測定部に流入する加湿空気の流量を計測する計測工程と、
前記計測工程で計測する前記反応測定部に流入する加湿空気の流量を、定めた流量に調節する調節工程と、
前記調節工程で前記加湿空気の流量を調節した状態において、前記反応測定部に保持された試料の近傍に配置される温度センサで、温度を計測する温度計測工程とを備えることを特徴とする、収着発熱性測定方法。 - 前記反応測定部は、前記加湿空気が一方の面から流入し他方の面に流出する吐出穴が形成され、断熱材から構成される第1の層を有し、
前記温度計測工程では、前記反応測定部が有する前記第1の層の加湿空気が流出する面に配置された温度センサで温度を計測することを特徴とする、請求項6に記載の収着発熱性測定方法。 - 前記調節工程では、予め計測された基準となる標準布が規定の温度上昇特性になる場合の流量に調節することを特徴とする、請求項6または7に記載の収着発熱性測定方法。
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