JP2006343211A - Mobile chamber system and testing method by the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a mobile chamber system and a testing method by the mobile chamber system, capable of collecting causative substances of sick building syndrome on the basis of the actual conditions of usage of building materials, furniture, etc. used for buildings at building sites. <P>SOLUTION: The mobile chamber system 1 is provided with a chamber provided for a load-carrying platform of a vehicle, a filter 20 for cleaning air to be fed into the chamber, a thermo-hygrostat 21 for keeping cleaned air at prescribed temperature and prescribed humidity, a heater for keeping the inside of the chamber at a prescribed temperature, and an air collection device for collecting air in the chamber. Test members, such as building materials and furniture, are housed in the chamber, which is provided in such a way as to by moved by the vehicle, to collect air in the chamber containing substances that are diffused from the test members. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a mobile chamber apparatus for collecting a compound released from a building material or the like and a test method using the mobile chamber.

  Conventionally, there is a small chamber method as a radiation measurement method for collecting and measuring volatile organic compounds (VOC), formaldehyde and other compounds which are causative substances of sick houses diffused from building materials and furniture. A small chamber has been used for this method of measuring emission.

  As a conventional small chamber, for example, there is a 500 L small chamber disclosed in Non-Patent Document 1. The 500 L small chamber is composed of a chamber having a capacity of 500 liters, an air cleaning device, a temperature / humidity control device, a flow rate / wind speed control device, an air collection device, an analysis device, and the like. Air purified by an air purifier is sent into the chamber with the flow rate and wind speed controlled by the flow rate and wind speed control device. Further, the temperature and humidity in the chamber are maintained under conditions suitable for the diffusion of a compound such as VOC by a temperature / humidity control device.

In the measurement, the test piece is accommodated in the chamber, VOC or the like is diffused from the test piece into the air in the chamber, and the air in the chamber containing the diffused VOC or the like is collected by an air collecting device. And the collected air is analyzed with an analyzer.
Published by Japan Standards Association, "Volatile Organic Compound (VOC), Formaldehyde and Other Carbonyl Compound Emission Measurement Methods for Building Materials-Small Chamber Method", JIS A 1901, established on January 20, 2003

  However, in the conventional small chamber, since the chamber is small and the chamber is installed in the analysis facility, it is possible to measure only a part of the building material, not the whole building material. It was difficult to collect in accordance with the actual usage of the building, etc., and the causative substance of sick house sometimes became a problem after the building was completed.

  The present invention has been made in view of such circumstances, and is a mobile type capable of collecting the causative substances of sick houses in accordance with the actual use of building materials, furniture, etc. used in buildings, going to the construction site. It is to provide a test method using a chamber apparatus and a movable chamber.

  The mobile chamber apparatus according to claim 1 is a chamber provided in a loading platform of a vehicle, a filter for cleaning air sent into the chamber, and constant temperature and humidity for maintaining the cleaned air at a predetermined temperature and a predetermined humidity. Apparatus, a heater for holding the inside of the chamber at a predetermined temperature, and an air collecting device for collecting the air in the chamber, and a test member such as a building material or furniture is provided in the chamber movably provided by the vehicle. It is characterized by collecting air in a chamber containing and containing a substance to be diffused from a test member.

  The mobile chamber apparatus according to claim 2 is characterized in that the chamber is formed by a container for a loading platform of a vehicle.

  The mobile chamber apparatus according to claim 3 is characterized in that the heater is a heater for floor heating in a house and is disposed in the wall of the chamber.

  The test method using a mobile chamber according to claim 4 is a chamber provided in a vehicle bed, a filter for cleaning air sent into the chamber, and a constant temperature for maintaining the cleaned air at a predetermined temperature and a predetermined humidity. The chamber provided movably by a vehicle using a movable chamber device comprising a humidity control device, a heater for maintaining the inside of the chamber at a predetermined temperature, and an air collecting device for collecting the air in the chamber. A test member such as a building material or furniture is housed therein, and air in a chamber containing a volatile organic compound or a sick house causative substance such as formaldehyde emitted from the test member is collected.

  The test method using a mobile chamber according to claim 5 is characterized in that the chamber of the mobile chamber device is formed by a container for a loading platform of a vehicle.

  The test method using a mobile chamber according to claim 6 is characterized in that the heater of the mobile chamber device is a heater for floor heating in a house and is disposed in the wall of the chamber.

  According to invention of Claim 1, since the test member, such as a building material, is accommodated in the chamber provided by the vehicle so that movement is possible, it goes to a building site and uses building materials, furniture, etc. which are used for a building It is possible to collect the causative substances of sick house according to the actual situation.

  According to the second aspect of the present invention, since the chamber is formed by an existing container for a loading platform of a vehicle, a chamber having a large capacity can be easily formed, and the cost of the apparatus can be suppressed. In addition, the container for the cargo bed has a rectangular floor surface, and can store the whole of long building materials, furniture, etc. and collect the causative substances of sick houses.

  According to the invention of claim 3, since the heater is a heater for floor heating in a house, it can be measured in an environment that approximates the use environment such as building materials and furniture, and is in accordance with the actual condition of the causative substance of sick house. Can be collected.

  According to invention of Claim 4, since the test member, such as a building material, is accommodated in the chamber provided so that movement with the vehicle was carried out, it goes to a construction site and use of building materials, furniture, etc. which are used for a building It is possible to collect the causative substances of sick house according to the actual situation.

  According to the fifth aspect of the present invention, since the chamber is formed by an existing container for a loading platform of a vehicle, a chamber having a large capacity can be easily formed, and the cost of the apparatus can be suppressed. In addition, the container for the cargo bed has a rectangular floor surface, and can store the whole of long building materials, furniture, etc. and collect the causative substances of sick houses.

  According to the invention of claim 6, since the heater is a heater for floor heating in a house, it can be measured in an environment that approximates the use environment such as building materials and furniture, and is in accordance with the actual condition of the causative substance of sick house. Can be collected.

  Hereinafter, embodiments of the present invention will be specifically described with reference to the drawings. FIG. 1 is an explanatory view showing the appearance of a mobile chamber apparatus according to the present invention. FIG. 2 is an explanatory view showing the external appearance of the back surface of the mobile chamber apparatus, and FIG. 3 is an explanatory view showing the external appearance of the side surface of the mobile chamber apparatus. FIG. 4 is a configuration diagram showing the configuration of the movable chamber apparatus. The mobile chamber apparatus 1 in the embodiment of the present invention is used for emission measurement for collecting and measuring volatile organic compounds (VOC), formaldehyde and other compounds that are causative substances of sick houses that are emitted from building materials and furniture. It is a chamber.

  The mobile chamber apparatus 1 according to the present embodiment includes a truck 5 as a vehicle, a container 10 mounted on a loading platform of the truck 5, an air supply control device 8, an air collecting device 18 and the like. The container 10 is equivalent to a container for trucks that is generally commercially available, and has an inner and outer surface made of stainless steel, for example. For example, the container 10 has a depth of about 4 m, a width of about 1.8 m, and a height of about 1.6 m. However, the capacity of the container 10 is not particularly limited as long as it can be loaded on the truck 5. A heater 11 is provided on the inner wall surface of the container 10. This heater 11 is used for floor heating of a house. As the heater 11, for example, there is one using semiconductor carbon as a heating element. Further, a net-like or slat-like shelf 13 is provided in the interior 10 a of the container 10, and the building materials W1 to W5 are placed on the shelf 13. The container 10 serves as a chamber for collecting volatile organic compounds (VOC), formaldehyde, and other compounds emitted from the building materials W1 to W5. In addition, the degree of sealing of the interior 10a becomes a problem when collecting, but the container used for the normal truck 5 has a high degree of sealing, and ready-made products can be used.

  The air supply control device 8 is a device for sending air to the interior 10a of the container 10 and controlling the temperature and humidity of the air. The air supply control device 8 includes a chemical filter 20, a constant temperature and humidity device 21, a valve 24, and the like. The chemical filter 20 is for cleaning the outside air taken in from the intake port 30, and the cleaned air is sent to the constant temperature and humidity device 21 through the duct 31. The constant temperature and humidity device 21 is a device that maintains the temperature and humidity of the internal air at values determined by the operation panels 22 and 23. The air emitted from the constant temperature and humidity device 21 is sent to the interior 10a of the container 10 through the valve 24 and the duct 32 that control the flow rate of the air. A flow meter 25 is provided in the duct 32 in order to measure the flow rate of air flowing into the interior 10a. Further, a thermometer 26 is provided for measuring the temperature of the interior 10a, and a hygrometer 27 is provided for measuring the humidity of the interior 10a. The display units of the thermometer 26 and the hygrometer 27 are provided on the side surface of the housing 28 that covers the constant temperature and humidity device 21. The air supply control device 8 is housed in the interior 10a of the container 10 when the truck 5 moves.

  The air collection device 18 collects the air in the container 10a of the container 10 and enables the collected air to be taken home as a sample. A collection port 15 is provided on the back surface of the container 10, and the air collection device 18 can collect the air in the cabinet 10 a by a duct 33 inserted into the collection port 15.

  Next, the usage method of the movable chamber apparatus 1 of a present Example is demonstrated. First, the truck 5 storing the air supply control device 8 in the container 10 goes to a building site of a building such as a house. And the air supply control apparatus 8 is set as shown in FIG. 1 in the construction site. And the building materials W1-W5 which are test objects are mounted on the shelf 13 of the inside 10a of the container 10. FIG. The building materials W1 to W5 are not specimens cut out specifically for the test, but are building materials and furniture itself that are actually used for the building after the test is completed. Next, the air cleaned by the chemical filter 20 is controlled by the constant temperature and humidity device 21 so that the temperature of the inside 10a of the container 10 is about 30 ° C. and the humidity is about 80%, and is sent into the inside 10a. Moreover, the flow rate of the air sent into the interior 10a is such an amount that the air in the interior 10a is replaced about once every two hours. In practice, the settings of the valve 24 and the constant temperature and humidity device 24 are changed while observing the values of the flow meter 25, the thermometer 26, and the hygrometer 27 so that the flow rate, temperature, and humidity are maintained.

  Then, after a predetermined time has passed, the air in the chamber 10a is removed using the air collecting device 18 in a state where volatile organic compounds (VOC), formaldehyde and other compounds can be diffused into the air in the chamber 10a. Collect. The air collected by the air collecting device 18 is not analyzed at the collected construction site, but is taken back to a facility where the analyzing device is provided and analyzed.

  As described above, according to the mobile chamber apparatus 1 of the present embodiment, since the test members of the building materials W1 to W5 are stored in the interior 10a of the container 10 movably provided by the truck 5, the building site It is possible to collect the causative substances of sick houses in accordance with the actual usage of building materials W1 to W5 and furniture used for buildings. That is, by measuring the building materials W1 to W5 and furniture itself that are actually used in the building, whether or not the building using the building materials W1 to W5 is a problem with the causative substance of the sick house after completion. This can be confirmed in advance.

  Further, since the chamber is formed by the container 10 of the existing truck 5, it is possible to easily form a chamber having a large capacity, and to reduce the cost of the apparatus. Further, the container 10 for the truck 5 has a rectangular floor surface, and can store the whole of the long building materials W1 to W5, furniture, and the like and collect the causative substances of the sick house.

  Furthermore, since the heater 11 is a heater for floor heating in a house, it can be measured in an environment that approximates the usage environment such as building materials W1 to W5 and furniture, and is collected according to the actual condition of the causative substances of sick houses. Is possible.

  As described above, the mobile chamber apparatus of the present invention is movable and has a large chamber capacity, so that it collects not only building materials but also the causative substances of sick houses such as furniture and curtains used in the building. It can also be applied to.

It is explanatory drawing which shows the external appearance of the movable chamber apparatus which concerns on this invention. It is explanatory drawing which shows the external appearance of the back surface of the mobile chamber apparatus. It is explanatory drawing which shows the external appearance of the side surface of the mobile chamber apparatus. It is a block diagram which shows the structure of the movable chamber apparatus.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Mobile chamber apparatus 5 ... Truck 8 ... Air supply control apparatus 10 ... Container 11 ... Heater 15 ... Collection port 18 ... Air collection apparatus 20 ... Chemical filter 21 ... Constant temperature / humidity device 24 ... Valve 25 ... Flow meter

Claims (6)

A chamber provided in the loading platform of the vehicle;
A filter for purifying the air sent into the chamber;
A constant temperature and humidity device for maintaining the cleaned air at a predetermined temperature and a predetermined humidity;
A heater for maintaining the inside of the chamber at a predetermined temperature;
An air collecting device for collecting air in the chamber;
A test member such as a building material or furniture is housed in the chamber provided movably by the vehicle,
A mobile chamber apparatus that collects air in the chamber containing a substance released from the test member.   The mobile chamber apparatus according to claim 1, wherein the chamber is formed by a container for a loading platform of a vehicle.   The mobile chamber apparatus according to claim 1 or 2, wherein the heater is a heater for floor heating of a house and is disposed in a wall of the chamber. A chamber provided in a vehicle bed, a filter for purifying air sent into the chamber, a constant temperature and humidity apparatus for maintaining the cleaned air at a predetermined temperature and a predetermined humidity, and a predetermined temperature inside the chamber Using a movable chamber device provided with a heater held in the chamber and an air collecting device for collecting air in the chamber,
A test member such as a building material or furniture is housed in the chamber provided movably by the vehicle,
A test method using a mobile chamber, characterized in that air in the chamber containing volatile organic compounds and formhouse-causing substances such as formaldehyde emitted from the test member is collected.   5. The test method using a mobile chamber according to claim 4, wherein the chamber of the mobile chamber device is formed by a container for a loading platform of a vehicle.   6. The test method using a mobile chamber according to claim 4, wherein the heater of the mobile chamber device is a heater for floor heating in a house and is disposed in a wall of the chamber.

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