JP4206997B2 - Exterior improvement planning system - Google Patents

Description

  The present invention relates to an exterior improvement planning system, and more specifically, to diagnose the thermal insulation state of the exterior of a building such as an outer wall or a roof using an infrared image and to make an improvement plan required for thermal insulation performance. Is related to the exterior improvement planning system.

  Thermal insulation performance of exteriors such as low-temperature or constant-temperature warehouses, exterior walls and rooftops of various buildings, etc. may deteriorate due to deterioration of the housing, deterioration of the heat insulating material, increase of the thermal bridge portion due to expansion and reconstruction, and the like. The heat insulation performance of the exterior can be diagnosed by a non-destructive inspection method using so-called thermography that measures the surface temperature of the exterior with an infrared camera and images the temperature distribution.

For example, as a method for detecting defects such as peeling of mortar finishing material on the surface of a concrete structure, the surface temperature of the object was measured during the rise or fall process, and the thermal image was image processed. By analyzing the pixel line and creating a temperature gradient curve and extracting the area that constitutes the maximum value part or the minimum value part, the defect part where the heat or cold flows out is detected. An “automatic detection method” has been proposed. According to such a detection method, it is possible to easily detect a defective portion without requiring skill only by photographing the surface of the casing with an infrared camera.
JP 2001-50921 A

  By the way, when repairing the exterior of a structure, whether the heat insulation state is diagnosed by a technique using thermography, the repair contents after diagnosis, in other words, the construction method and construction material are determined based on technical knowledge. is doing. That is, the method and material to be applied to the heat insulation repair are determined based on the experience of the designer while repeating the calorific value calculation so as to satisfy the heat insulation performance such as the target heat flow rate. Therefore, anyway, if the designer asks the owner to ask for the construction, the calculated numerical value as to whether the planned construction content is necessary and sufficient, and whether the effect can be obtained sufficiently. There is a fact that it is difficult to make a decision immediately, and the repair plan cannot be easily determined.

  The present invention has been made in view of the above circumstances, and its purpose is an exterior improvement planning system for diagnosing the heat insulation state of the exterior of a structure such as an outer wall or a rooftop and planning an improvement plan, To provide an exterior improvement planning system capable of accurately diagnosing the current thermal insulation performance, visually and accurately predicting the thermal insulation performance after repair work, and easily determining a necessary and appropriate repair plan It is in.

  In order to solve the above problems, in the present invention, a thermal image related to the current temperature distribution is output as analysis information from an infrared image of the exterior of the structure, and predetermined repair contents are applied to the exterior based on the analysis information. By predicting the heat insulation state of the exterior of the case and outputting a thermal image related to the temperature distribution after the repair as prediction information, it is possible to visually confirm whether or not the repair contents are appropriate.

  That is, the gist of the present invention is an exterior improvement plan system for diagnosing the thermal insulation state of the exterior of a structure and planning an improvement plan for thermal insulation performance, based on the infrared image of the exterior photographed by an infrared camera, Thermal insulation analysis means for outputting a thermal image related to the current temperature distribution in the exterior as analysis information, and holding a plurality of repair contents as reference data in advance, and when the selected repair contents are applied to the exterior The exterior improvement planning system includes a repair effect prediction unit that predicts a heat insulation state of the exterior and outputs a thermal image related to a temperature distribution after repair in the exterior as prediction information.

  According to the exterior improvement planning system according to the present invention, the current heat insulation performance can be visually and accurately diagnosed by outputting the temperature distribution in the exterior such as the outer wall or the rooftop as a thermal image by the heat insulation analysis means. The heat insulation state after the repair work is visually and accurately output by outputting the heat insulation state of the exterior as a thermal image by the repair effect prediction means when the selected predetermined repair is applied to the exterior. Because it can be predicted, a necessary and appropriate repair plan can be easily determined. Accordingly, it is possible to easily determine an appropriate repair plan between the installer and the customer, and to repair the exterior with a minimum construction cost.

  An embodiment of an exterior improvement planning system according to the present invention will be described with reference to the drawings. FIG. 1 is a block diagram showing functions of an analysis server as a main part of an exterior improvement planning system according to the present invention. FIG. 2 is a conceptual diagram showing a form constructed to be accessible via the Internet in the exterior improvement planning system according to the present invention. In the following description, the exterior improvement planning system is abbreviated as “system”.

  The system of the present invention diagnoses the heat insulation state of the exterior of buildings, mainly various buildings, warehouses, etc. and the exterior of the roof, as well as deterioration of the housing, deterioration of the heat insulating material, change of the thermal bridge part, etc. This is a planning support system that allows more appropriate improvement plans to be made by predicting the effect of repair on the designed repair content when deterioration of the thermal insulation performance is recognized and repair is deemed necessary. is there. Hereinafter, as an embodiment of the present invention, a case where the present invention is applied to an improvement plan for an outer wall (9) of a building as shown in FIG. 2 will be described as an example.

  The system of the present invention can be constructed by using a computer brought into the site with the outer wall (9) to be improved, but preferably, as shown in FIG. It is constructed in the analysis server (5) using (4). As shown in FIG. 2, the system of the present invention mainly includes an infrared camera (1), a visible light camera (2) used in a preferred embodiment, and an adiabatic analysis means provided in an analysis server (5). (51) and repair effect prediction means (53).

  In the system of the present invention, as shown in FIG. 1, an infrared image (71) of the outer wall (9) photographed by the infrared camera (1) is taken into the heat insulation analysis means (51). Moreover, since the infrared camera (1) can simultaneously record the surface temperature and the outside air temperature of each part of the outer wall (9) to be photographed, the thermal analysis means (51) includes the outer wall (71) together with the infrared image (71). The temperature and outside air temperature of 9) are taken in, and further, the wind speed and humidity measured on site are taken in. In a preferred embodiment, in order to correct the infrared image (71) to a clearer image, the visible image (72) of the outer wall (9) taken by the visible light camera (digital camera) (2) is thermally insulated. The sex analysis means (51) can be taken in.

  And the heat insulation analysis means (51) processes said infrared image (71) with a thermography method by an analysis program, and produces | generates the thermal image (81g) which concerns on the present temperature distribution in an outer wall (9) on an outer wall (9). Along with numerical information (81t) such as temperature data of each part of the surface, it is configured to be output as analysis information (81). The thermal image (81g) and the numerical information (81t) are corrected by the analysis program based on the data such as the outside air temperature, the wind speed, and the humidity when creating the thermal image (81g).

  By the way, the outer wall (9), which is the object, has a metal object exposed on its surface, dirt such as mold, microorganisms, etc. attached thereto, or has been heated to a temperature higher than usual by solar heat. is there. As a result, in the obtained infrared image (71), the outer wall (9) may be partially erroneously displayed in a high temperature state. In addition, because of the relationship of the installation location of the infrared camera (1) with respect to the outer wall (9) to be photographed, the entire outer wall cannot be accommodated in one frame, and it may be necessary to divide and photograph it. And since the details of the surface of the outer wall (9) cannot be identified in the infrared image (71), when a plurality of infrared images (71) are joined together, the resulting image of the outer wall (9) is shifted in detail. When an error is analyzed, the abnormal part may not be identified accurately.

  Therefore, in a preferred embodiment of the present invention, in order to correct the error of the infrared image (71) caused by the dirt of the outer wall (9) or the joining of the images, the infrared image (71) of the thermal insulation analysis means (51) is corrected. The processing function fuses the visible image (72) taken with the visible light camera (2) and the infrared image (71), and corrects the infrared image (71) to create a clearer thermal image (81g). A correction function is included.

  The method of fusing the infrared image (71) and the visible image (72) is the construction technology and maintenance technology / construction technology examination certificate for buildings, etc., and the construction technology and maintenance technology / construction technology examination certificate for buildings, etc. This is a technology that has been certified as a “Consfinder System” for detecting the removal of finishing materials on the outer walls of buildings by the multispectral method in the report (issued by Japan Architectural Center: BCJ-Examination Certificate-46).

  In the above method, when shooting an object with a visible light camera (color CCD camera) (2), the influence of infrared rays radiated from surrounding buildings and trees, the influence of reflection on the wall surface, the influence of dirt, etc. In consideration of the short wavelength (3 to 5 μm), medium wavelength (5 to 8.9 μm), and long wavelength (8 to 13 μm), select a wavelength that is not easily affected by the above, and shoot separately. An object is photographed by a light beam camera (color CCD camera) (2). Then, image processing is performed to accurately extract the shape and surface of the object by distinguishing the original surface and dirt of the object from the visible image (72), and obtained by the infrared camera (1) and due to the difference in surface temperature. For example, an infrared image (71) that is stepwise color-coded into red, green, blue, and an intermediate color thereof is superimposed on the image-processed visible image (72), and the surface temperature difference for each part as well as the shape of the object Is displayed visually.

  The thermal image (81g) shown in FIG. 1 is an image obtained from the infrared image (71) and the visible image (72) using the correction function described above, and is a black (shadow) part on the drawing. Is actually a part of red or a color close to this, and such a part shows a part of heat radiation from the inside of the building. The numerical information (81t) output as the analysis information (81) includes the total thermal conductivity and the total heat flow rate as information representing the heat insulation performance of the outer wall (9).

  Further, the thermal insulation analysis means (51) further analyzes the current thermal image (81g) obtained previously in order to display the defective portion and identify the area more visually, and is set in advance. The image discrimination function (82g) which outputs the defect area image (82g) which displayed the heat insulation performance calculated from the heat insulation reference | standard, ie, the site | part which does not satisfy the heat insulation performance which should be satisfied by planar shape as other one analysis information (82) ( 52).

  As the above heat insulation standards, there are standards concerning the location conditions, shape, arrangement of buildings, materials and thicknesses of heat insulation materials based on the structure of the outer wall, for example, “standards of judgment of the building owner regarding rationalization of energy use related to buildings” (Final revision 2003, Ministry of Economy, Trade and Industry, Ministry of Land, Infrastructure, Transport and Tourism Notification No. 1), etc., and the heat insulation performance calculated from such a heat insulation standard mainly includes heat flow rate. The image discriminating function (52) is configured to be able to output numerical information (82t) such as the area of the defective portion, the ratio of the defective portion with respect to the entire area of the wall to be diagnosed, and the amount of heat loss, along with the defect region image (82g). .

  The defective area image (82g) shown in FIG. 1 shows a part where the black (shadow) area on the drawing is a part where the heat radiation from the inside of the building is large and exceeds the standard of the heat radiation amount. Since the system of the present invention can display the defect area image (82g) as described above, the current defect portion of the outer wall (9) can be visually confirmed immediately.

  Further, in the system of the present invention, when the thermal insulation repair is performed on the wall (9) based on the diagnosis result obtained by the thermal insulation analysis means (51), how much repair effect is obtained, The above-described repair effect prediction means (53) is provided to determine in advance whether or not the repair contents to be performed are appropriate. Such repair effect prediction means (53) holds a plurality of repair contents as reference data in advance, and predicts the heat insulation state of the outer wall when the selected repair contents are applied to the outer wall (9) by an analysis program. The thermal image (83g) related to the temperature distribution after the repair on the outer wall (9) is output as the prediction information (83).

  The repair contents are construction contents set as selection items in advance, and such construction contents include, for example, the type of heat insulating material such as urethane foam and glass wool, the thickness of the heat insulating material, and the finishing material of the exterior. Items related to various construction methods are listed. Specifically, for example, a construction method disclosed as “outer heat insulating structure” in JP-A No. 2004-143669 can be cited. In such a construction method, a fiber type heat insulating material or a foamed plastic type heat insulating material is arranged outside the outer wall finishing material, and then a plate-like ventilation material made of a nonwoven fabric or a plastic type fiber board is arranged outside the heat insulating material. And, the surface of the ventilation material is covered with a reinforcing resin net, and the anchor pin is driven into the housing from above the resin net, thereby fixing the heat insulating material, the ventilation material and the resin net to the housing side, Furthermore, a polymer cement mortar mixed with reinforcing short fibers is applied to the outside of the resin net to form a finished layer, which is an outer heat insulation method suitable for heat insulation repair.

  Moreover, the construction method currently disclosed as Unexamined-Japanese-Patent No. 2004-183261 as "a repair structure of an outer wall" is mentioned. In such a method, an acrylic resin-based or epoxy resin-based primer is applied onto an existing outer wall finishing material, and then an acrylic rubber coating film is formed on the surface to prevent the finishing material from peeling. The surface of the rubber coating is covered with a reinforcing resin net, and anchor pins are driven into the housing from above the resin net to fix the primer layer, acrylic rubber coating layer and resin net to the housing. Furthermore, after applying acrylic rubber to the anchor pin head and the surface of the resin net to form a main layer of acrylic rubber, a water-based acrylic top coat is applied as the outermost layer to form a topcoat layer In addition to improving the heat insulation performance, this repair method is suitable for improving waterproofness and preventing peeling.

  The above construction method is particularly suitable for repairing concrete structures under the trade name “Rearnet Energy Saving Construction Method” by Constec. In the repair effect prediction means (53), the above-mentioned methods, and the materials and standards applied to these methods, that is, the types of heat insulating materials, ventilation materials, resin nets, mortar, acrylic rubber, etc. used The thickness is stored in advance as repair contents to be selected.

  And the repair effect prediction means (53) calculates the thermal conductivity of the entire outer wall (9) and each part when this is applied to the outer wall (9) based on the selected repair content, and the outer wall after repair The heat insulation state of (9), in other words, the overall heat flow rate calculated from the thermal conductivity, the internal temperature of the building, the outside air temperature, etc. and the heat flow rate of each part are calculated and predicted, and in the outer wall (9) The image is converted into a thermal image (83g) related to the temperature distribution after the repair and output as the prediction information (83). The predicted adiabatic state after repair is converted into a thermal image (83g) by performing a reverse conversion to the processing of the infrared image (71) by the thermography method based on the calculated predicted numerical value. I can do it.

  In the thermal image (83g) shown in FIG. 1, as in the current thermal image (81g), the black (shadow) portion on the drawing indicates a portion where the amount of heat released from the inside of the building is large. Since the system of the present invention can display the predicted thermal image (83g) after the repair as described above, the repair effect on the outer wall (9) can be visually confirmed immediately.

  Further, the repair effect prediction means (53) includes numerical information (83t) such as the total heat flow rate of the repaired outer wall (9) as another prediction information (83) together with the thermal image (83g). Can be output. Moreover, in a preferred embodiment of the present invention, the repair effect prediction means (53) is provided with another piece of prediction information (53) so that it can be confirmed how much utility can be obtained as the amount of money by performing the selected repair content. 83), the amount of heat that can be saved in the outer wall (9) and the cost of saving are calculated together with the construction cost required for repair, and the function of outputting this as numerical information (83t) is provided. As a result, it is possible to quickly determine whether or not the selected repair content should be implemented.

  Further, in the present invention, as indicated by the dashed arrow in FIG. 1, the repaired thermal image (83g) which is one of the prediction information (83) obtained from the repair effect prediction means (53) is insulated. It returns to the sex analysis means (51), and the thermal image (83g) is analyzed again by the image discrimination function (52), and a part that does not satisfy the thermal insulation performance calculated from the preset thermal insulation standard as described above is extracted. However, this may be output as a defect area image (82g). As described above, the predicted thermal image (83g) after repair is further processed, and the state after repair is displayed as a defect area image (82g), thereby displaying the effect of the selected repair content more clearly. Can be made more quickly.

  As described above, the system of the present invention uses the heat insulation analysis means (51) to obtain the thermal image (81g) relating to the current temperature distribution from the infrared image (71) and the visible image (72) of the outer wall (9), and The defect area image (82g) is output as analysis information (81), (82), and the predetermined repair contents selected based on the analysis information (81), (82) by the repair effect prediction means (53) are external walls. In order to predict the heat insulation state of the outer wall when constructed in (9) and output the thermal image (83g) related to the temperature distribution after repair as prediction information (83), it is visually determined whether or not the repair contents are appropriate The necessary and appropriate repair plan can be easily determined.

  In other words, according to the system of the present invention, the current distribution of the structure, for example, the temperature distribution in the outer wall (9) is output as the thermal image (81g) by the heat insulation analysis means (51), and the outer wall (9) Since the defect portion image (82g) is used to output information as a defect region image (82g) by the heat insulation analysis means (51), the current heat insulation performance can be visually and accurately diagnosed, and the predetermined repair is performed on the outer wall (9). Since the heat insulation state of the outer wall at the time of construction is output as a thermal image (83g) by the repair effect prediction means (53), the heat insulation performance after the repair work can be predicted visually and accurately. Therefore, by using the system of the present invention, a necessary and appropriate repair plan for the outer wall (9) can be easily formulated. Therefore, it is possible to easily determine an appropriate repair plan between the contractor and the client, and repair the outer wall (9) without incurring more construction costs than necessary, that is, with a minimum construction cost. I can do it.

  Furthermore, according to the system of the present invention, from the analysis information (81), a partial damage such as a crack, a part where the heat insulation performance is locally degraded such as a detailed thermal bridge or a sash, a part where condensation is likely to occur Therefore, if there is no problem in the heat insulation performance, it is possible to repair only the damage with a light construction method, and to reduce the construction cost.

  Further, the system of the present invention is preferably constructed by using an analysis server (5) accessible via the Internet so that an improvement plan can be easily formulated even at a location away from the repair site. In other words, the heat insulation analysis means (51) and the repair effect prediction means (53) shown in FIG. 1 are provided in the analysis server (5) accessible via the Internet as shown in FIG. Then, the analysis server (5) takes the infrared image (71) and the visible image (72) transmitted by the Internet into the heat insulation analysis means (51), and the heat insulation analysis means (51) and the repair effect prediction means (53). The analysis information (81), (82) and the prediction information (83) including the thermal images (81g), (82g) (83g) output from the terminal are transmitted to the terminal device (6) via the Internet. In FIG. 2, reference numeral (4) indicates an Internet network.

  That is, the infrared image (71) and visible image (72) of the outer wall (9) taken by the infrared camera (1) and the visible light camera (2), respectively, can be connected to the analysis server (5). Is transmitted via a mobile terminal device (3). And if necessary, the thermal insulation analysis and the repair effect prediction of the outer wall (9) are performed, and the analysis result and the prediction result can be taken out from the terminal device (6) connectable to the Internet.

  More specifically, the analysis server (5) takes the infrared image (71) and the visible image (72) transmitted by the Internet into the heat insulation analysis means (51), and uses the function of the heat insulation analysis means (51). The heat insulation analysis of the outer wall (9) was performed by the multispectral method on the basis of the infrared image (71) and the visible image (72), and the defective part was determined, and obtained by the heat insulation analysis means (51). Analysis information (81) including the thermal image (81g) and analysis information (82) including the defect area image (82g) are output to the terminal device (6) via the Internet. Then, the analysis server (5) uses the function of the repair effect prediction means (53) based on the repair content (construction content selected on the Internet) transmitted by the Internet, and the outer wall (9) after repair for the repair content. The prediction information (83) including the repaired thermal image (83g) obtained by the repair effect prediction means (53) is output to the terminal device (6) via the Internet. Yes.

  Furthermore, in the present invention, in order to more efficiently and effectively use the analysis server (5) connected to the Internet network (4), as shown in FIG. A database (54) is provided that can store analysis results and prediction results and retrieve them as needed. That is, the database (54) stores the analysis information (81) and (82) obtained by the heat insulation analysis means (51) and the prediction information (83) obtained by the repair effect prediction means (53) for each customer. And the analysis information (81), (82) and the prediction information (83) are transmitted to the terminal device in response to a request from the terminal device (6).

As described above, when the system of the present invention is constructed using the analysis server (5) that can be connected to the Internet, an infrared image (1) and a visible light camera (2) taken from the field ( 71), just sending the visible image (72) to the analysis server (5)
The analysis information (81), (82) of the heat insulation analysis means (51) and the prediction information (83) of the repair effect prediction means (53) can be taken out from the terminal device (6) as necessary, and repair is performed. Since the prediction information (83) can be extracted simply by selecting the repair content held in the effect prediction means (53) from the terminal device (6), the outer wall between the contractor and the owner in the office away from the site. The repair plan of (9) can be determined smoothly.

  Further, when the analysis server (5) includes the database (54), the previously obtained analysis information (81), (82) and the prediction information (83) are obtained at any time according to the customer's request. Since it can be taken out and the new analysis information (83) can be obtained by referring to the previous analysis information (81) and (82) and changing the repair contents, the repair plan for the outer wall (9) can be made. I can fully consider it. Moreover, since the past analysis information (81) and (82) can be stored for each customer, for example, the heat insulation state of the outer wall (9) is diagnosed at intervals of 5 to 10 years, and the current and past analysis information (81), By comparing (82), it is possible to manage the aging and performance degradation of the outer wall (9) over a long period of time.

  The present invention can be applied not only to the outer wall (9) as described above but also to a flat portion such as a rooftop of a building. For example, when drafting an improvement plan for the roof of a building, the infrared camera (1) and the visible light camera (2) are supported above the roof using an appropriate mount on the roof and divided into a plurality of parts. By photographing, it is possible to diagnose the heat insulation state on the roof and to determine an appropriate improvement plan.

FIG. 1 is a block diagram showing functions of an analysis server as a main part of an outer wall improvement planning system according to the present invention. FIG. 2 is a conceptual diagram showing a form constructed to be accessible via the Internet in the outer wall improvement planning system according to the present invention.

Explanation of symbols

1: Infrared camera 2: Visible light camera 3: Mobile terminal device 4: Internet network 5: Analysis server 51: Adiabatic analysis means 52: Image discrimination function 53: Repair effect prediction means 54: Database 6: Terminal device 71: Infrared image 72: Visible image 81: Analysis information 81g: Current thermal image 81t: Numerical information 82: Analysis information 82g: Defect area image 82t: Numerical information 83: Prediction information 83g: Thermal image after repair 83t: Numerical information 9: Structure outer wall

Claims (6)

  An exterior improvement planning system for diagnosing the thermal insulation state of the exterior of a structure and formulating an improvement plan for thermal insulation performance, based on the infrared image of the exterior photographed by an infrared camera, to the current temperature distribution in the exterior Thermal insulation analysis means for outputting the thermal image as analysis information, and holding a plurality of repair contents in advance as reference data, predicting the heat insulation state of the exterior when the selected repair content is applied to the exterior, An exterior improvement planning system comprising: a repair effect prediction means for outputting a thermal image relating to a temperature distribution after repair in the exterior as prediction information.   The thermal insulation analysis means has a function of correcting the infrared image by fusing the infrared image of the exterior photographed by the infrared camera and the visible image of the exterior photographed by the visible light camera when creating the thermal image. The exterior improvement planning system according to claim 1.   The thermal insulation analysis means has an image discrimination function for outputting a defect area image in which a portion that does not satisfy the thermal insulation performance calculated from a preset thermal insulation standard is displayed in a planar shape as another piece of analysis information. The exterior improvement planning system according to 1 or 2.   The exterior improvement according to any one of claims 1 to 3, wherein the repair effect prediction means has a function of calculating an energy cost that can be saved together with a construction cost required for repair, and outputting the calculated energy cost as another prediction information. Planning system.   The heat insulation analysis means and the repair effect prediction means are provided in an analysis server accessible via the Internet, and the analysis server takes in an infrared image and a visible image transmitted over the Internet into the heat insulation analysis means, and the heat insulation analysis means. The exterior improvement plan system in any one of Claims 1-4 comprised so that the analysis information and prediction information containing the thermal image output from the property analysis means and the said repair effect prediction means can be transmitted to a terminal device via the internet .   The analysis server stores the analysis information obtained by the heat insulation analysis means and the prediction information obtained by the repair effect prediction means for each customer, and the analysis is performed on the terminal device in response to a request from the terminal device. The exterior improvement planning system according to claim 5, further comprising a database for transmitting information and prediction information.

Images