JP2018163057A - Space temperature scanner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a space temperature scanner that can measure a temperature distribution in a space without requiring cumbersome device installation works or complicated data processing.SOLUTION: A configuration of a space temperature scanner (a scanner 100) according to the present invention comprises: a rod-like support member 110; a plurality of attachment sections 120 that are linearly arranged in the support member 110; and a plurality of thermoelectric couple units 130 that are detachably attached to the attachment section 120, in which the thermoelectric couple unit 130 is selectively attached to a part or all of the plurality of attachment sections 120, and can measure temperatures.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a spatial temperature scanner for measuring a temperature distribution in a space.

  Conventional methods for measuring the temperature distribution in the interior space of buildings, etc. include the use of multiple thermometers, a method using a detector plate with a small heat capacity and a radiation thermometer, and the propagation speed of sound waves and ultrasonic waves. The method that was used is known.

  As a method using a detection plate and a radiation thermometer, for example, a spatial temperature measurement monitoring system disclosed in Patent Document 1 is disclosed. In Patent Document 1, a plurality of temperature detectors that emit infrared rays corresponding to the temperature are installed at predetermined positions in the space, and the temperature of the temperature detectors is detected by the amount of infrared rays to detect the temperature of the space.

  As a method using the propagation speed of a sound wave or an ultrasonic wave, for example, a spatial temperature measurement method disclosed in Patent Document 2 is disclosed. In Patent Document 2, an ultrasonic oscillator is disposed at each of two different intersections facing each other across the center position of a measurement target space, and a differential sound of ultrasonic waves from the two ultrasonic oscillators is detected by a detector. To do. The spatial temperature is calculated based on the arrival time of the ultrasonic waves and the sound propagation path difference.

Japanese Patent Laid-Open No. 10-38698 JP 2010-139251 A

  However, in the method of installing a plurality of thermometers, there is a problem that installation is difficult when the thermometers are suspended by indoor ceilings or balloons. Further, the method using the detection plate and the radiation thermometer also has a problem that it is difficult to install the detection body, and the detection body obstructs the flow of air in the space, so that accurate measurement is difficult. In the method using the propagation speed of sound waves or ultrasonic waves, there is a problem that it is difficult to install a transmitter and a receiver and signal processing is difficult.

  In view of such problems, the present invention has an object to provide a spatial temperature scanner capable of measuring temperature distribution in a space without requiring complicated apparatus installation work and complicated data processing. Yes.

  In order to solve the above-described problems, a typical configuration of the space temperature scanner according to the present invention is a rod-shaped support member, a plurality of linearly arranged mounting portions on the support member, and a detachably mounted to the mounting portion. A plurality of thermocouple units, and the temperature can be measured by selectively attaching the thermocouple units to some or all of the plurality of attachment portions.

  In the above configuration, a plurality of thermocouple units are attached to the attachment portion of the rod-like support member, and the support members are arranged in the space. Thereby, a some thermocouple unit can be installed in space at once. Further, by using the thermocouple unit, the temperature in the space can be acquired without performing complicated data processing. Therefore, according to the above configuration, the temperature distribution in the space can be measured without requiring complicated apparatus installation work and complicated data processing.

  Further, in the above configuration, a plurality of mounting portions are arranged in a straight line. This makes it possible to easily adjust the measurement position, for example, by arranging a thermocouple unit at the upper mounting portion of the support member when it is desired to measure the temperature distribution in the upper part of the space. It is also possible to increase the degree of freedom of measurement, such as arranging many thermocouple units at a height at which the space temperature is to be measured in more detail.

  The thermocouple unit may include a connector connected to the attachment portion and a two-wire thin wire thermocouple protruding from the connector. According to such a configuration, the thermocouple unit can be easily attached to the support member by connecting the connector to the attachment portion. Moreover, since the thin wire thermocouple is excellent in thermal responsiveness, the temperature in the space can be accurately and efficiently measured.

  The plurality of support members may be connectable by joints, hinges, or slide rails. Thereby, it becomes possible to connect several support members and to measure the space temperature in a higher position. In addition, being connectable means, in other words, disassembling. Therefore, the support member can be transported in a disassembled state, and portability can be improved.

  The thermocouple unit may have a reflection material for motion capture. Thereby, the position information of the space temperature scanner in the space can be acquired. Therefore, the temperature distribution in the space can be measured more easily and accurately.

  The support member may include an acceleration sensor. Also by this, the position information of the space temperature scanner in the space can be acquired, so that the temperature distribution in the space can be measured more easily and accurately.

  ADVANTAGE OF THE INVENTION According to this invention, the space temperature scanner which can measure the temperature distribution in space can be provided, without requiring complicated apparatus installation work and complicated data processing.

It is a figure explaining the space temperature scanner concerning this embodiment. It is detail drawing of a thermocouple unit. It is an enlarged view of the scanner of FIG. FIG. 2 is an exploded view of the scanner of FIG. 1. It is a figure explaining the measuring method of the space temperature using the scanner concerning this embodiment. It is a figure explaining the other example of a thermocouple unit.

  Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The dimensions, materials, and other specific numerical values shown in the embodiments are merely examples for facilitating understanding of the invention, and do not limit the present invention unless otherwise specified. In the present specification and drawings, elements having substantially the same function and configuration are denoted by the same reference numerals, and redundant description is omitted, and elements not directly related to the present invention are not illustrated. To do.

  FIG. 1 is a diagram illustrating a spatial temperature scanner (hereinafter referred to as a scanner 100) according to the present embodiment. As shown in FIG. 1, the scanner 100 according to the present embodiment includes a rod-shaped support member 110, and a plurality of attachment portions 120 a to 120 h are linearly arranged on the support member 110. As the support member 110, for example, a PVC pipe can be suitably used. In the following description, the plurality of attachment portions 120a to 120h are referred to as attachment portions 120 unless particularly distinguished.

  A plurality of thermocouple units 130 are detachably attached to the plurality of attachment portions 120, and the temperature of the space is measured in the thermocouple units 130. In addition, in this embodiment, although the structure which attached the thermocouple unit 130 to all the some attachment parts 120 is illustrated, it is not limited to this, The thermocouple unit is used for some of the some attachment parts 120. It is also possible to selectively attach 130.

  Moreover, in this embodiment, although the space | interval of the some attaching parts 120a-120h is different, respectively, it is not limited to this. The intervals between the plurality of attachment portions 120a to 120h can be changed as appropriate, and for example, all the intervals may be equal. In the present embodiment, in order to grasp the temperature distribution in the region above the space in more detail, the interval between 120a to 120c arranged on the upper portion of the support member 110 is narrowed, and the thermocouple units 130 can be arranged densely. Yes. Furthermore, in the present embodiment, the configuration in which the eight attachment portions 120 are provided is illustrated, but the present invention is not limited to this, and the number of attachment portions 120 can be arbitrarily changed.

  FIG. 2 is a detailed view of the thermocouple unit 130. As shown in FIGS. 2A and 2B, in the present embodiment, the thermocouple unit 130 includes a connector 132 and a two-wire thin wire thermocouple 134. The thin wire thermocouple 134 is disposed so as to protrude from the connector 132.

  As shown in FIG. 2B, the mounting portion 120 provided on the support member 110 has a socket shape. Then, by connecting the connector 132 to the socket-shaped attachment portion 120, the thermocouple unit 130 is attached to the support member 110 and electrically connected to the logger 140 as shown in FIG. Thus, in the scanner 100 of the present embodiment, the thermocouple unit 130 can be easily attached to the support member 110.

  Further, as described above, in the present embodiment, the thin wire thermocouple 134 is used as the thermocouple. Since the thin wire thermocouple 134 has a small heat capacity and a high response speed, it has excellent thermal response. Therefore, it is possible to accurately and efficiently measure the space temperature. Further, since the thin wire thermocouple 134 has high thermal responsiveness, that is, followability to the space temperature, the space temperature can be acquired without the need for complicated data processing for correction and compensation.

  FIG. 3 is an enlarged view of the scanner 100 of FIG. One end of a wiring 142 (not shown in FIG. 1) is connected to each of the plurality of attachment portions 120 in FIG. As shown in FIG. 3, the wiring 142 is exposed to the outside of the support member 110 from the hole 110 a formed in the support member 110, and the other end is connected to the logger 140. Thereby, the temperature data of the space measured in the thermocouple unit 130 is stored in the logger 140.

  FIG. 4 is an exploded view of the scanner 100 of FIG. When disassembled, the scanner 100 of FIG. 1 becomes as shown in FIG. Specifically, the support member 110 includes an upper support member 112 and a lower support member 114. The upper support member 112 and the lower support member 114 have connecting portions 112a and 114a, respectively. And by connecting the upper side support member 112 and the lower side support member 114 in these connection part 112a * 114, it becomes the integral support member 110 shown in FIG.

  According to the said structure, the space temperature in a higher position can be measured by connecting the upper side support member 112 and the lower side support member 114 which are several support members. Further, by disassembling the support member 110 into an upper support member 112 and a lower support member 114, transportation becomes easy. Therefore, portability can be improved. In the present embodiment, the configuration in which the coupling portions 112a and 114a are joints using male screws and female screws is exemplified, but the present invention is not limited to this. For example, as another connection method, it is also possible to use a bayonet joint, a hinge that can be folded without separation, or a slide rail that can be expanded and contracted without separation.

  FIG. 5 is a diagram for explaining a method for measuring the space temperature using the scanner 100 according to the present embodiment. When measuring the space temperature, first, a plurality of thermocouple units 130 are attached to the attachment portion 120 of the rod-like support member 110. An operator (not shown) moves in the space 102 while holding the support member 110. Thereby, the space temperature is measured in the plurality of thermocouple units 130, and the data is stored in the logger 140. Then, by accumulating the space temperature data, the temperature distribution in the cross section can be acquired as in the 32 ° C. zone and the 18 ° C. zone shown in FIG.

  As described above, according to the scanner 100 of the present embodiment, an operator having the scanner 100 can measure the space temperature by moving in the space without installing a plurality of devices at the measurement location. it can. Therefore, it is possible to eliminate the installation work of the apparatus, which has been a burden on the conventional worker, and to easily perform the measurement work.

  In the scanner 100 of this embodiment, a plurality of thermocouple units 130 can be attached and detached in the height direction of the support member 110. Therefore, the thermocouple unit 130 can be replaced according to the height at which the temperature is to be measured. Furthermore, in this embodiment, the space temperature can be acquired without performing complicated data processing by measuring the space temperature using the thermocouple unit 130.

  In this embodiment, the method of measuring the space temperature while the operator moves is illustrated, but the present invention is not limited to this, and the space temperature can be measured with the scanner 100 installed at a fixed point. . Although not shown in the drawing, for example, if the wheel is attached to the lower end of the support member 110, the operator can move the scanner 100 more easily and the measurement height is stabilized, so that the working efficiency is increased. be able to. When the scanner 100 is installed at a fixed point, a pedestal may be attached to the lower end of the support member 110.

  Preferably, the thin wire thermocouple 134 of the thermocouple unit 130 has a wire diameter of 25 μm or less and a length of 100 mm or more. Thereby, it is possible to satisfactorily ensure followability to the space temperature when measurement is performed while the worker moves. Further, it is desirable that the data storage interval in the logger 140, that is, the space temperature measurement interval is 100 msec or less.

  FIG. 6 is a diagram for explaining another example of the thermocouple unit 130. In addition, about the component which is common in the thermocouple unit 130 demonstrated previously, description is abbreviate | omitted by attaching | subjecting the same code | symbol. As shown in FIG. 6A, the thermocouple unit 130 a further includes a motion capture reflector 136 attached to the side surface of the connector 132.

  FIG. 6B schematically shows a state in which the space 102 is photographed with a motion capture camera. As described above, when the thermocouple unit 130a is provided with the reflection material for motion capture, when the state in which the worker is moving in the space is photographed with the capture camera (not shown), the ellipse in FIG. As shown in E, a bright spot (shown by a black dot) is observed at a position where the thermocouple unit 130a is disposed. Thereby, the position information of the scanner 100 in the space 102 can be acquired.

  According to the above configuration, the temperature distribution in the space can be easily and accurately grasped by matching the log of the position information photographed by the capture camera and the log of the space temperature information measured by the thermocouple unit 130. can do. Then, for example, by superimposing and displaying the temperature distribution on the indoor photo of the space, it is possible to visually grasp the temperature of the space as shown in FIG.

  In the above configuration, the position information acquisition method using the reflection material 136 for motion capture has been described. However, the present invention is not limited to this. For example, even when an acceleration sensor (not shown) is attached to the support member 110, it is possible to acquire position information of the support member 110 and obtain the same effect as described above.

  As mentioned above, although preferred embodiment of this invention was described referring an accompanying drawing, it cannot be overemphasized that this invention is not limited to the example which concerns. It will be apparent to those skilled in the art that various changes and modifications can be made within the scope of the claims, and these are naturally within the technical scope of the present invention. Understood.

  The present invention can be used as a spatial temperature scanner for measuring a temperature distribution in a space.

DESCRIPTION OF SYMBOLS 100 ... Scanner, 102 ... Space, 110 ... Support member, 110a ... Hole, 112 ... Upper support member, 112a ... Connection part, 114 ... Lower support member, 114a ... Connection part, 120 ... Mounting part, 120a-120h ... Installation , 130 ... thermocouple unit, 130a ... thermocouple unit, 132 ... connector, 134 ... fine wire thermocouple, 140 ... logger, 142 ... wiring

Claims (5)

A rod-shaped support member;
A plurality of mounting portions arranged linearly on the support member;
A plurality of thermocouple units detachably attached to the attachment portion;
With
A spatial temperature scanner characterized in that the thermocouple unit can be selectively attached to some or all of the plurality of attachment portions to measure the temperature. The thermocouple unit is
A connector connected to the mounting portion;
A two-wire thin wire thermocouple protruding from the connector;
The space temperature scanner according to claim 1, comprising:   The space temperature scanner according to claim 1, wherein the plurality of support members are connectable by joints, hinges, or slide rails.   The space temperature scanner according to any one of claims 1 to 3, wherein the thermocouple unit includes a reflection material for motion capture.   The space temperature scanner according to claim 1, wherein the support member includes an acceleration sensor.

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