WO2022054412A1 - 構造体の観察装置および観察方法 - Google Patents
構造体の観察装置および観察方法 Download PDFInfo
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- WO2022054412A1 WO2022054412A1 PCT/JP2021/026964 JP2021026964W WO2022054412A1 WO 2022054412 A1 WO2022054412 A1 WO 2022054412A1 JP 2021026964 W JP2021026964 W JP 2021026964W WO 2022054412 A1 WO2022054412 A1 WO 2022054412A1
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- Prior art keywords
- camera
- window
- observation device
- cooling
- camera case
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 34
- 239000011521 glass Substances 0.000 claims abstract description 35
- 238000010438 heat treatment Methods 0.000 claims abstract description 27
- 238000001816 cooling Methods 0.000 claims abstract description 25
- 239000012530 fluid Substances 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims description 12
- 230000003287 optical effect Effects 0.000 claims description 5
- 239000012809 cooling fluid Substances 0.000 abstract description 5
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Images
Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/55—Details of cameras or camera bodies; Accessories therefor with provision for heating or cooling, e.g. in aircraft
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
- G03B17/08—Waterproof bodies or housings
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/002—Thermal testing
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
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- G—PHYSICS
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- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
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- G03B15/05—Combinations of cameras with electronic flash apparatus; Electronic flash units
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- G—PHYSICS
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- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
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- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
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- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
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- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
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- G03B2215/00—Special procedures for taking photographs; Apparatus therefor
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- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B2215/00—Special procedures for taking photographs; Apparatus therefor
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- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B2215/00—Special procedures for taking photographs; Apparatus therefor
- G03B2215/05—Combinations of cameras with electronic flash units
- G03B2215/0589—Diffusors, filters or refraction means
Definitions
- the present invention relates to an observation device and an observation method for observing changes in structures such as automobile body parts under high temperature and low temperature.
- the weight of the car body is being reduced for the purpose of improving fuel efficiency of automobiles (reducing CO 2 emissions).
- Body parts called outer panel parts are arranged on the outside of the automobile, and include doors, roofs, hoods (bonnets), fenders, and back doors (tailgates).
- Weight reduction panel thinning
- the outer panel parts have a larger projected area than other vehicle body parts, the weight reduction effect by thinning the plate material is large. ..
- the rigidity of the outer panel parts tends to decrease due to the thinning of the plate material, and recently, there has been a problem that the outer panel constituting the outer panel parts is deformed by the heat during painting and baking.
- the temperature given to the outer panel parts at the time of baking is about 200 ° C.
- the car body being produced flows through the furnace at a high temperature of around 200 ° C, so it is not possible to observe because the heat resistance of the photographing equipment and measuring equipment cannot be ensured, and thermal deformation of the outer panel occurs. I haven't figured out the cause.
- the outer panel component is usually configured by joining the peripheral portions of the outer panel OP and the inner panel IP by welding or the like, and the outer panel for the purpose of ensuring the rigidity of the outer panel OP.
- the reinforcing component RP is arranged between the back surface of the OP and the inner panel IP, and the inner panel IP and the reinforcing component RP are joined by welding or the like, but the outer panel OP and the reinforcing component RP are bonded with the mastic agent M. ..
- the mastic agent M is a semi-solid (softness like a paste toothpaste) before painting and has the property of adapting to the shape of the part, foaming and expanding due to the heat of baking the paint, and hardening into a rubber-like state at room temperature after cooling. Then, by maintaining the viscoelastic property close to that of rubber, the vibration of the outer panel OP is suppressed, and by adhering to the reinforcing component RP and the outer panel OP to support the outer panel OP, the rigidity of the outer panel OP is increased. Can be improved.
- this mastic agent M also contributes to thermal deformation of the outer panel parts, especially the outer panel OP, by solidifying from a semi-solid to a rubber-like shape during the baking process and further expanding and contracting. The details are unknown because it cannot be observed.
- Patent Document 1 shows a method of observing thermal deformation of a roller at a high temperature in a chassis dynamometer in which an automobile is simulated on a roller. In this method, multiple radiation thermometers are used, the degree of thermal deformation of the roller is calculated from the measured value, and it is fed back to the test conditions to reduce the measurement error due to thermal deformation, enabling highly accurate measurement. I have to.
- Patent Document 2 shows a system for controlling the quality of the painted surface of an automobile.
- defects on the painted surface of the car body after painting are taken with a camera and recorded as an image, which is stored as a database, and the quality deteriorates due to the current painted surface and defects that occurred in the past. It makes it possible to compare the difference with the painted surface.
- Patent Document 3 relates to a device in which a millimeter-wave radar and an infrared camera are used in combination for detecting an obstacle in front of a vehicle. Heat detection in this device is needed to determine if an obstacle is a living organism.
- Japanese Patent No. 5358331A Japanese Unexamined Patent Publication No. 2009-066514 Japanese Patent No. 4427771
- the structure observation device of the present invention that achieves the above object is A camera case having a rectangular three-dimensional shape and having a glass window made of heat-resistant and / or cold-resistant glass on at least one surface of the three-dimensional shape.
- the camera case may have a double structure including an inner box and an outer box, and the inner box and the outer box may each have the heat insulating wall. ..
- a lighting fixture arranged around the lens of the camera is provided, and the lens and the lighting fixture are provided in a direction orthogonal to the optical axis of the lens at least inside the glass window. It may be provided with a tubular antireflection material arranged between and.
- the glass window has a double structure including an inner window and an outer window, and the tubular antireflection material is arranged inside the inner window and is constant in the longitudinal direction. It may have a thickness or a conical surface that is arranged between the outer window and the inner window and increases in thickness toward the outer window.
- the observation device of the present invention may include a support frame that supports the camera case so that the direction can be changed and the support height can be changed, and the support frame supports the structure so that it can be photographed by the camera.
- the support frame may have an engaging portion capable of engaging a carrier.
- the structure may be an outer panel component of an automobile body.
- the structure before and after heating or cooling and during heating or cooling are photographed by a camera using the above-mentioned observation device of the present invention, and the photographs are taken. It is characterized by observing changes in the structure before and after heating or cooling and during heating or cooling by images.
- a camera with high-performance specifications (resolution, viewing angle, brightness, etc.) is required to simultaneously capture the deformation of the outer panel and the deformation of the mastic agent in the painting and baking process of automobile outer panel parts.
- heat resistance of around 200 ° C. is also required.
- heat-resistant cameras are commercially available, they have drawbacks in terms of resolution and brightness. What needs to be observed is to capture the deformation of the mastic agent applied between the outer panel and the reinforcing component, as well as the deformation due to thermal expansion and contraction of the outer panel and the reinforcing component, and the change in the gap between the two. , Normal heat resistant cameras were inadequate for their observation.
- the observation device and the observation method of the present invention mainly focus on the ability to repeatedly use a camera with high-performance specifications such as a single-lens reflex camera, and with the above-mentioned configuration, an observation device equipped with a camera with high-performance specifications is provided at around 200 ° C. Even if the camera is placed in a high-temperature paint baking furnace or in a refrigeration tester at around 50 ° C below freezing point, the camera should be placed in an atmosphere below the upper limit of its operating temperature (for example, 40 ° C) or above the lower limit of its operating temperature (for example, 20 ° C below freezing point). I made it possible to hold it.
- the upper limit of its operating temperature for example, 40 ° C
- the lower limit of its operating temperature for example, 20 ° C below freezing point
- the illuminance in the furnace is low, a lighting fixture is built in around the lens of the camera to adjust the field of view so that the desired part of the outer panel component can be photographed.
- a tubular antireflection material between the luminaire and the camera lens in the direction orthogonal to the optical axis of the camera lens.
- the glass window may have a single structure because the area through which heat passes is relatively small, but it is preferable to have a double structure consisting of an inner window and an outer window in order to improve heat insulation.
- the tubular antireflection material the one with a certain thickness in the longitudinal direction is placed inside the inner window, and the conical one whose thickness increases toward the outer window is used for the outer window and the inner window. It is preferable to place it between and.
- observation device and the observation method of the present invention can be used even when the outer panel component is heated by itself in an offline heating furnace on a trial basis and cooled to room temperature, the vehicle body itself or actual production can be used. It can also be applied when performing heating and cooling tests of individual outer panel parts such as doors, hoods, and roofs without using a line.
- the outer panel, the reinforcing part and the mastic agent in heating and cooling the outer panel parts of the automobile under the high temperature at the time of coating baking, which could not be observed so far.
- High-performance specifications regarding changes in the structure such as cooling to a low temperature below the lower limit of the operating temperature of a camera with high-performance specifications (for example, 20 ° C below the freezing point) and heating from that low temperature to room temperature. It became possible to observe in detail with the image of the camera of.
- the cause of the occurrence of a defect such as thermal deformation due to the thinning of the outer panel of the outer panel component in the weight reduction of the automobile body is identified and a specific countermeasure is taken. By taking this measure, it became possible to contribute to the realization of thinning of the outer panel.
- FIG. 1 It is a perspective view which shows the whole observation apparatus of thermal deformation in the process of painting and baking of the outer panel part as one Embodiment of the observation apparatus of the structure of this invention. It is a partially cutaway perspective view which shows the camera case covered with the heat insulating wall in the observation apparatus of thermal deformation in the process of painting and baking the outer panel part of the said embodiment.
- (A), (b) and (c) are, as an embodiment of the method for observing a structure of the present invention, using the observation device for thermal deformation in the coating and baking step of the outer panel component of the above embodiment.
- FIG. 1 is a perspective view showing the entire thermal deformation observation device in the coating baking step of the outer panel component as an embodiment of the structure observation device of the present invention
- FIG. 2 is a perspective view showing the above.
- FIG. 3 is a partially cutaway perspective view showing a camera case covered with a heat insulating wall in an observation device for thermal deformation in a process of painting and baking an outer panel component of an embodiment.
- the device for observing thermal deformation in the painting and baking step of the outer panel component of this embodiment has a camera case 2 having a rectangular three-dimensional shape and having a glass window 1 of heat-resistant glass on at least one surface of the three-dimensional shape.
- a heat insulating wall 3 that covers the camera case 2 as a whole except for the glass window 1, and a fluid supply port 4 that circulates a cooling fluid in at least the camera case 2 inside the camera case 2 and inside the wall 3.
- the fluid discharge port 5 and the thermal deformation of the door D as a structure outside the camera case 2 arranged from the glass window 1 arranged in the camera case 2 are photographed as a still image or a moving image, and the data of the photographed image is output to the outside.
- a camera 6 having high-performance specifications for internal storage.
- a camera 6 having this high-performance specification for example, a mirrorless single-lens type or single-lens reflex type digital camera can be used.
- the glass window 1 has a double structure of an inner window 1a and an outer window 1b, each of which is made of heat-resistant glass.
- the camera case 2 also has a double structure of an inner box 2a for containing the camera 6 and an outer box 2b surrounding the inner box 2a.
- the inner box 2a is formed of, for example, a stainless steel container, an inner window 1a for observation is provided on one surface thereof, and the camera 6 is installed in the inner box 2a so that the lens faces the center of the inner window 1a.
- the outer box 2b is also formed of, for example, a stainless steel container, and an outer window 1b that is aligned with the inner window 1a is provided on one surface thereof, and the outside of the camera case 2 can be photographed with the lens of the camera 6 through the inner window 1a and the outer window 1b. do.
- two nozzles for passing a cooling fluid in the inner box 2a are attached to the camera case 2 so as to pass through the inner box 2a and the outer box 2b, respectively, and one nozzle is attached to the fluid supply port 4 and the other.
- Nozzle is used as the fluid discharge port 5.
- the camera 6 can be kept at a low temperature (normal temperature) less than the upper limit of the operating temperature (for example, 40 ° C.).
- the cooling fluid may be gas or liquid, but it is desirable to use gas if the waterproof performance of the camera 6 is low or not.
- a fluid having a low temperature of a constant temperature or less supplied from a fluid supply line in the factory may be used, or a cooling device for the discharged fluid is placed outside the heating furnace for a thermal deformation test. It may be installed and used by circulating the fluid between the cooling device and the inner box 2a.
- the periphery of the outer box 2b is covered with a heat insulating wall 3 except for the glass window 1, and for example, ordinary glass wool or the like can be used as the heat insulating material forming the wall 3.
- a heat insulating material By filling the gap between the outer box 2b and the inner box 2a with a heat insulating material, the effect of weakening the heat conduction from the outside to the inside of the inner box 2a is given.
- air having low thermal conductivity is used as the heat insulating material to be filled in the gap between the outer box 2b and the inner box 2a, but a liquid having low thermal conductivity such as water or oil may be used.
- a liquid having low thermal conductivity such as water or oil may be used.
- the lighting fixture 7 is further attached to the camera 6. It is more effective that the lighting fixture 7 is an LED type that is attached in a ring shape surrounding the lens of the camera 6 so that shadows due to lighting are less likely to appear.
- the glass window 1 since the glass window 1 has a double structure, it is difficult to suppress the reflection of illumination.
- the inventors are located inside the inner window 1a of the glass window 1 and between the inner window 1a and the outer window 1b in a direction orthogonal to the optical axis X of the lens of the camera 6 between the lens and the lighting fixture 7. It has been found that the reflection from the inner window 1a and the outer window 1b can be blocked by installing the tubular covers 8 and 9 as the antireflection material, respectively.
- the cover 8 has a constant thickness along the longitudinal direction thereof, and the cover 9 has a conical surface shape whose thickness increases toward the outer window 1b. With these covers 8 and 9, it is possible to shoot an image without reflection of lighting from the glass window 1. Since the commercially available light reflection antireflection film has low heat resistance and it is difficult to maintain the clearness at high temperature, it is practically impossible to use it for the glass window in this embodiment.
- a support frame 10 that supports the camera case 2 so as to be able to change its orientation in the vertical direction or the like and to change its support height, for example, via a turn bracket, a guide member, or the like.
- the support frame 10 can support the door D as an outer panel component with an arm portion (not shown) projecting from the support frame 10 so that the inside thereof can be photographed by the camera 6.
- the support frame 10 has an engaging portion 10a at the lower end portion, which is a space in which a carrying device such as a forklift claw can be engaged.
- the support frame 10 can be configured by, for example, combining a plurality of square bar-shaped extruded aluminum materials having engagement grooves on each of the surrounding surfaces.
- the observation device of the above embodiment is set in the heating furnace, and the heat of the outer panel OP of the door D, which is a kind of the outer panel component for the automobile body, the reinforcing component RP, and the mastic agent M. The state of deformation due to was observed.
- the inner panel IP of the door D is not shown.
- FIG. 3 An example of observation is shown in Fig. 3.
- the door D was heated to a maximum of 180 ° C. and held for 20 minutes, and then cooled in the furnace.
- the outer panel OP, mastic agent M, and reinforcing component RP could be clearly observed even at the maximum temperature of 180 ° C., and even if the mastic agent M was partially enlarged, the surface could be observed in detail as shown in FIG. .. This is a result unique to the single-lens reflex camera 6 with high resolution, bright lens, and large sensor.
- the present invention is not limited to the above embodiment.
- the glass window 1 and the camera case 2 have a double structure, but both of them are single.
- the cooling device for cooling the fluid inside the camera case 2 outside the camera case 2 may be configured to have a higher capacity, and a separate support jig that can be positioned with respect to the support frame 10 may be used. Therefore, the structure to be observed may be supported so that it can be photographed by the camera 6.
- the thermal deformation of the door D which is a kind of the outer panel component of the automobile body, was observed, but the present invention includes a roof, a hood (bonnet), a fender, a back door (tailgate), and the like. It may be used for observing the outer panel parts of the above type, and in the above embodiment, the observation was performed offline outside the paint baking process, but the apparatus of the above embodiment is installed in the paint baking process and the paint is being baked. You may observe the outer panel parts of.
- the observation device and the observation method of the above embodiment are used for observing the thermal deformation of the structure
- the observation device and the observation method of the present invention may be used for observing the low temperature deformation of the structure, and in that case.
- the glass window 1 may have a double structure of an inner window 1a and an outer window 1b made of cold-resistant glass, or a single structure of only an outer window 1b made of cold-resistant glass.
- the fluid circulated in the camera case may be a gas or a liquid that heats the atmospheric temperature in the camera case above the lower limit of the operating temperature of the camera having high performance specifications.
- the observation device and the observation method of the above embodiment are applied to the observation of thermal deformation of the outer panel parts of the automobile body, but the present invention is not limited to this, and products other than automobiles such as personal computers and household electric appliances are not limited to this. It can also be used for observing changes such as thermal deformation and low temperature deformation of the structures constituting the above.
- the outer panel, the reinforcing part and the mastic agent in heating and cooling the outer panel parts of the automobile under the high temperature at the time of paint baking, which could not be observed so far.
- a camera with high-performance specifications regarding changes such as low-temperature deformation of the structure due to cooling to a low temperature below the lower limit of the operating temperature (for example, 20 ° C below the freezing point) and heating from there to room temperature. It has become possible to observe in detail in the image.
- the cause of the occurrence of a defect such as thermal deformation due to the thinning of the outer panel of the outer panel component in the weight reduction of the automobile body is identified and a specific countermeasure is taken. By taking this measure, it became possible to contribute to the realization of thinning of the outer panel.
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- Radiation Pyrometers (AREA)
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Abstract
Description
また、自動車車体部品等の構造体は、実際に使用される際に低温にさらされても所期した性能を発揮することが求められるため、所定の低温試験に合格する必要があり、その低温試験においても、従来は試験中の構造体の様子を観察できないため、試験中に不具合が発生したことが試験後に判明してもその原因をつかむのが困難であった。
矩形の立体形状を有し、その立体形状の少なくとも1面に耐熱性および/または耐寒性ガラスのガラス窓を持つカメラケースと、
前記ガラス窓を除いて前記カメラケースを覆う断熱性の壁と、
前記カメラケース内と前記壁の内部とのうち少なくとも前記カメラケース内に冷却または加温用の流体を循環させる流体供給口および流体排出口と、
前記カメラケース内に配置されて前記ガラス窓からカメラケース外の構造体を静止画または動画で撮影し、撮影した画像のデータを外部出力または内部保存するカメラと、
を具えることを特徴としている。
さらに本発明の観察装置においては、前記ガラス窓が内窓と外窓とからなる二重構造を有し、前記筒状の反射防止材は、前記内窓の内側に配置されて長手方向に一定太さを持つものおよび、前記外窓と内窓との間に配置されて外窓に向かうにつれて太さが拡大する錐面形のものでもよい。
なお、ガラス窓は、熱が通過する面積が比較的狭いので一重構造のものでもよいが、断熱性を高めるには内窓と外窓とからなる二重構造を有することが好ましく、その場合には、筒状の反射防止材は、長手方向に一定太さを持つものを内窓の内側に配置するとともに、外窓に向かうにつれて太さが拡大する錐面形のものを外窓と内窓との間に配置すると好ましい。
上記実施形態の観察方法では、上記実施形態の観察装置を加熱炉内にセットして、自動車車体用外板部品の一種であるドアDの外側パネルOPと補強部品RPとマスチック剤Mとの熱による変形の様子を観察した。なお、図1では、ドアDの内側パネルIPは図示を省略している。
1a 内窓
1b 外窓
2 カメラケース
2a 内箱
2b 外箱
3 壁
4 流体供給口
5 流体排出口
6 カメラ
7 照明器具
8,9 カバー
10 支持フレーム
10a 掛合部
D ドア
IP 内側パネル
OP 外側パネル
RP 補強部品
M マスチック剤
X 光軸
Claims (9)
- 矩形の立体形状を有し、その立体形状の少なくとも1面に耐熱性および/または耐寒性ガラスのガラス窓を持つカメラケースと、
前記ガラス窓を除いて前記カメラケースを覆う断熱性の壁と、
前記カメラケース内と前記壁の内部とのうち少なくとも前記カメラケース内に冷却または加温用の流体を循環させる流体供給口および流体排出口と、
前記カメラケース内に配置されて前記ガラス窓からカメラケース外の構造体を静止画または動画で撮影し、撮影した画像のデータを外部出力または内部保存するカメラと、
を具えることを特徴とする構造体の観察装置。 - 前記カメラケースが内箱と外箱とからなる二重構造を有し、
前記内箱と外箱とがそれぞれ前記断熱性の壁を有していることを特徴とする、請求項1記載の構造体の観察装置。 - 前記カメラケース内の前記カメラのレンズの周囲に配置された照明器具と、
前記ガラス窓の少なくとも内側で前記レンズの光軸と直交する方向に関し前記レンズと前記照明器具との間に配置された筒状の反射防止材と、
を具えることを特徴とする、請求項1または2記載の構造体の観察装置。 - 前記ガラス窓が内窓と外窓とからなる二重構造を有し、
前記内窓の内側に配置された前記反射防止材が、長手方向に沿って一定太さのものであり、
前記外窓と前記内窓との間に配置された前記反射防止材が、前記外窓に向かうにつれて太さが拡大する錐面形のものであることを特徴とする、請求項3記載の構造体の観察装置。 - 前記カメラケースを向き変更可能かつ支持高さ変更可能に支持する支持フレームを具えることを特徴とする、請求項1から4までの何れか1項記載の構造体の観察装置。
- 前記支持フレームは、前記構造体を前記カメラで撮影可能に支持することを特徴とする、請求項5記載の構造体の観察装置。
- 前記支持フレームは、運搬器具を掛合可能な掛合部を有していることを特徴とする、請求項5または6記載の構造体の観察装置。
- 前記構造体は、自動車車体の外板部品であることを特徴とする、請求項1から7までの何れか1項記載の構造体の観察装置。
- 請求項1から8までの何れか1項記載の構造体の観察装置を使用して、加熱または冷却前後および、加熱または冷却中の構造体をカメラで撮影し、その撮影した画像によって前記加熱または冷却前後および、加熱または冷却中の構造体の変化を観察することを特徴とする構造体の観察方法。
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JP2022547423A JP7294542B2 (ja) | 2020-09-08 | 2021-07-19 | 構造体の観察装置および観察方法 |
KR1020237007504A KR20230047441A (ko) | 2020-09-08 | 2021-07-19 | 구조체의 관찰 장치 및 관찰 방법 |
MX2023002777A MX2023002777A (es) | 2020-09-08 | 2021-07-19 | Dispositivo de observacion de estructura y metodo de observacion. |
US18/021,055 US20230296966A1 (en) | 2020-09-08 | 2021-07-19 | Structure observation device and observation method |
CN202180054381.XA CN116075776A (zh) | 2020-09-08 | 2021-07-19 | 结构体的观察装置及观察方法 |
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US20230296966A1 (en) | 2023-09-21 |
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