JP2007120297A - Structure utilizing geothermal energy - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a means for further effectively utilizing heat energy of an underground constant temperature layer while supplementally using a heater, an air conditioner and natural energy such as solar heat or the light, wind power and hydraulic power for preventing exhaustion of fossil energy such as limited petroleum, gas and coal. <P>SOLUTION: This structure utilizing geothermal energy is buried by surrounding a building 22 by a thermal insulation wall A extending up to the underground constant temperature layer 21 from a ground surface 4. The thermal insulation wall A is constituted by continuously connecting a plurality of thermal insulation panels 1, and is buried in close contact in an aboveground exposed part and an underground buried part of a foundation 5. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a geothermal utilization structure that uses geothermal heat for cooling and heating buildings.

  In conventional geothermal use, for example, heat exchange ducts or pipes using air or water as a heat medium are extended from the basement, underground pipes, etc. into the building, and heat heated or cooled in the ground. In many cases, the medium is circulated in the building and used for cooling and heating, or the power is taken out by a device that operates by heat exchange. In addition, using a low-temperature underground constant temperature layer (underground part with little temperature change throughout the year), food, etc. is stored in a cave that reaches this constant temperature layer, and the stored items are stored in holes and buried in soil. I used geothermal heat.

  The temperature change in the ground is mainly caused by solar heat irradiation within a certain depth from the ground surface. In the ground deeper than the certain depth, it is a subterranean thermostatic layer that hardly changes in temperature depending on the season, and the heat energy increases as the depth increases. A certain depth from the ground surface, that is, the surface layer of the underground constant temperature layer, is relatively cooler than the ground surface in summer and hotter than the ground surface in winter. If the thermal energy of the underground constant temperature layer is introduced into the building, it can be used for cooling in the summer and for heating in the winter.

  And the thermal energy of the underground constant temperature layer is a virtually inexhaustible natural energy, which is stable and easy to use compared to other natural energy (solar heat or light, wind power, hydropower, etc.) (exists directly under the building) Therefore, it is easy to guide thermal energy). The above-mentioned example of geothermal use pays attention to such advantages of geothermal heat, but it is difficult to say that it is still fully utilized. Therefore, in order to prevent the depletion of fossil energy such as limited oil, gas, coal, etc., while using substituting natural energy such as heater, air conditioner, solar heat or light, wind power, hydraulic power, etc. The means to use thermal energy more effectively was examined.

  What was developed as a result of the study was a geothermal-use structure in which a heat insulating wall extending from the ground surface to the underground constant temperature layer was embedded around the building. Specifically, the heat insulation wall is embedded around the foundation of the building. In this case, (a) the heat insulating wall may be buried in close contact with the foundation ground exposed site and underground buried site, or (b) may be buried separately from the foundation ground exposed site or underground buried site. Good. Furthermore, when the heat insulation wall is buried away from the ground exposed part of the foundation, there is a space between the upper part of the heat insulation wall protruding from the ground surface and the foundation, so the inner ventilation part that connects this space and the inside of the building Is provided on the ground exposed part or the wall surface of the building, and an outer ventilation part that communicates the space with the outside is provided on the heat insulating wall. For example, a ventilation fan may be provided in each of the inner and outer ventilation units, or a heat exchange duct that communicates the inner and outer ventilation units.

  The present invention surrounds the four sides of a building with a heat insulating wall buried up to the underground constant temperature layer where temperature fluctuation is stable according to the temperature distribution in the depth direction of the underground, and thereby heat between the inside of the building and the ground under the building. The exchange range is limited to the area directly under the building, and wasteful heat exchange that causes temperature changes in the building is suppressed. Insulation walls in summer block the heat exchange by the solar heat that is applied to the ground around the building, especially the ground surface around the building, from the foundation through the ground, and directly under the building By keeping the ground at a relatively low temperature relative to the building, the cooling effect in the building is enhanced. In addition, the heat insulating wall in winter prevents the thermal energy of the heating that is trying to escape into the ground around the building through the foundation, and increases the heating effect in the building.

  Table 1 summarizes the temperature distribution in the range from the ground surface (depth 0.0 m) to the underground constant temperature layer (3.0 m) in January (winter) and July (summer) throughout Japan. The underground temperature distribution in winter in Hiroshima is shown in FIG. 53, and the underground temperature distribution in summer in Hiroshima is also shown in FIG. For example, as shown in Table 1 and FIG. 53, the winter average temperature in Hiroshima (within the thick frame in Table 1) is 5.0 ° C. at the ground surface 39, 7.4 ° C. at the 1 m depth layer 40, The depth of the 2 m layer 41 is 13.9 ° C., the depth of the 3 m layer (= underground thermostatic layer) 42 is 16.0 ° C., and the underground constant temperature layer 42 is 11.0 ° C. higher than the ground surface 39. is there. However, the underfloor 47 where heat exchange with the outside air is active is 2.3 ° C., which is lower than the ground surface. In addition, as shown in Table 1 and FIG. 54, the summer average temperature in Hiroshima in summer is 29.6 ° C. at the ground surface 43, 25.4 ° C. at the depth 1 m layer 44, and 19 at the depth 2 m layer 45. It is 17.3 ° C. at a temperature of 5 ° C. and a depth of 3 m (= underground constant temperature layer) 46, and the underground constant temperature layer 46 is a low temperature of 12.3 ° C. compared to the ground surface 43. Even in this summer, the underfloor 49 where heat exchange is active is 24.3 ° C., and the temperature is considerably high despite being shaded by heat radiation from the ground surface 43.

  As is apparent from Table 1, the underground temperatures in summer and winter are substantially equal at a depth of 2 to 3 m in each region. Although it varies depending on the type of soil and the surrounding environment, a depth of about 2 to 3 m can be seen as an underground constant temperature layer. In other words, the underground and the ground surface shallower than this are affected by the temperature change in the surrounding underground, particularly the heat exchange from the ground surface affected by the outside air. From this, the heat exchange of the ground directly under the building not exposed to sunlight was prevented, and the temperature change from the underground constant temperature layer to the upper layer, that is, the ground surface to the underground constant temperature layer was suppressed.

  Such a building to which the present invention can be applied is as follows: (1) The bottom of the building may be in direct contact with the ground surface surrounded by the heat insulating wall; or (2) the ground surrounded by the bottom of the building and the heat insulating wall. It may be filled with crushed stone between the surface, (3) The solid foundation covering part or all of the bottom of the building may be in direct contact with the ground surface surrounded by the heat insulating wall, and ( 4) The crushed stone may be filled between the solid foundation which covers the part or all of the bottom of the building and the ground surface surrounded by the heat insulating wall. As described above, since the heat exchange between the inside of the building and the ground around the building according to the present invention is realized by the heat insulating wall around the building, the present invention can be used regardless of the basic part of the building. Is possible.

  The heat insulating wall characterizing the present invention is based on the case where it is a heat insulating panel made of (A) synthetic resin. Specifically, the heat insulating wall is formed by connecting a plurality of heat insulating panels made of synthetic resin, and each heat insulating panel made of synthetic resin has a fitting strip on one of the butting edges connecting to each other, and a fitting groove on the other one. Structure. The synthetic resin heat insulating panel may be provided with a moisture passage hole that communicates the inside and outside of the heat insulating wall. In general, a heat insulating panel is inferior in air permeability or water permeability, and if the surroundings of a building are surrounded by a heat insulating panel, there is a possibility that water drainage directly under the building may be deteriorated. In addition, the heat insulating wall may be configured by connecting (B) a synthetic resin or a metal hollow pipe in close contact with each other. This synthetic resin or metal hollow pipe can also be provided with moisture-permeable holes communicating between the inside and outside of the heat insulating wall. When a heat insulating wall is configured by arranging multiple pipes inside and outside the building, it is not necessary for the vent holes of each pipe to communicate in a straight line, and even if the vent holes of each pipe are staggered, the entire insulating wall As long as air permeability or water permeability can be exhibited.

  According to the present invention, air-conditioning using the underground constant temperature layer is possible, and external energy can be saved. In addition, the present invention uses the transfer of heat energy (heat exchange) for achieving thermal equilibrium between the room and the underground constant temperature layer, so there is an advantage that no power is used and no vibration or noise is generated. In addition, the construction of the heat insulation wall A is only at the time of the first construction, and after that, only maintenance and management like a normal building is necessary, and the heat source for heat exchange is a virtually constant temperature underground, so other Compared to the use of air-conditioning equipment, the operation cost is extremely low, and there is an advantage that it can be used permanently.

  The thermal equilibrium between the indoor and underground constant temperature layers converges toward a state where the thermal energy of both is equal, so the indoor or house and the underground constant temperature layer are not necessarily at the same temperature. The indoor temperature is relatively lower than the outdoor temperature, and the indoor temperature is relatively higher than the outdoor temperature in winter. For example, in Table 1 above, the temperature of the underground high temperature layer (3 m deep) in Hiroshima can be seen as 16-17 ° C. throughout the year, which is equal to the temperature in May-June. From this point, if the room temperature can be brought close to the temperature of the underground high temperature layer, it is possible to provide a relatively comfortable room without using air conditioning. This contributes to the maintenance of health, such as the suppression of stress and the prevention of illness, as well as stable and accelerated plant growth. The present invention also has a feature different from conventional energy use in that such an effect is uniformly provided to the entire building or the greenhouse.

  In recent years, there have been concerns about problems such as global warming due to a decrease in resources and increased emissions of by-products such as CO2 due to energy consumption, against the situation where the foundation of living has been supported by fossil energy consumption using oil, gas, coal, etc. continuing. Therefore, research, development, or introduction using natural energy such as solar heat, light, wind power, hydropower, geothermal heat, etc. is urgently needed. Among these natural energies, geothermal heat has the advantage that it does not require power for use and can be used constantly for 24 hours. In the present invention, by using such geothermal heat for heating and cooling a building, the required amount of fossil energy used for conventional cooling and heating is greatly reduced and energy saving is realized.

  Hereinafter, the present invention will be described in detail with reference to embodiments shown in the drawings. FIG. 1 is a perspective view showing a heat insulation panel used in the present invention, FIG. 2 is a perspective view showing another heat insulation panel, and FIG. 3 is a cross-sectional view showing a state where a heat insulation wall is constructed by embedding the heat insulation panel. 4 is a plan view showing a state in which a heat insulating wall is constructed by embedding a heat insulating panel, FIG. 5 is a perspective view showing another heat insulating panel, FIG. 6 is a perspective view showing another heat insulating panel, and FIG. Sectional drawing which shows the state which embedded the heat insulation panel of another example, and constructed | assembled the heat insulation wall, FIG. 8 is a top view which embeds the heat insulation panel of another example, and constructed | assembled the heat insulation wall, FIG. 9 is heat insulation of another example FIG. 10 is a perspective view showing another heat insulation panel, FIG. 11 is a cross-sectional view showing a state where a heat insulation wall is constructed by embedding another heat insulation panel, and FIG. 12 is another example. FIG. 13 is a plan view showing a state in which a heat insulation wall is constructed by burying a heat insulation panel of FIG. FIG. 14 is a sectional view showing a state in which a heat insulating wall is constructed separately from the foundation of the building, and FIG. 15 is a state in which the insulating wall is constructed in close contact with the foundation of another building. FIG. 16 is a cross-sectional view showing a state in which a heat insulating wall is constructed separately from the foundation of another building, and FIG. 17 is a state in which a heat insulating wall is constructed in close contact with the foundation of the other building. FIG. 18 is a cross-sectional view showing a state in which a heat insulating wall is constructed separately from the foundation of another building, and FIG. 19 is a cross section showing a state in which the heat insulating wall is constructed in close contact with the foundation of the building. 20 is a cross-sectional view showing a state in which a heat insulating wall is constructed in close contact with the foundation of the building, FIG. 21 is a cross sectional view showing a state in which the heat insulating wall is constructed in close contact with the foundation having underground beams, and FIG. Is a cross-sectional view showing a state in which a heat insulating wall is built apart from a foundation having underground beams, and FIG. 23 has underground beams 24 is a cross-sectional view showing a state in which a heat insulating wall is built apart from the foundation, FIG. 24 is a cross-sectional view showing a state in which the heat insulating wall is built apart from the foundation having the underground beam, and FIG. 25 is in close contact with the geothermal use ground structure. 26 is a cross-sectional view showing a state where the heat insulating wall is constructed, FIG. 26 is a cross-sectional view showing a state where the heat insulating wall is built apart from the geothermal use ground structure, and FIG. 27 is a heat insulation wall in close contact with the geothermal use underground structure. FIG. 28 is a sectional view showing a state in which a heat insulating wall is built apart from the geothermal underground structure, and FIG. 29 is a cross section showing a state in which the heat insulating wall is built in close contact with the greenhouse. FIG. 30, FIG. 30 is a cross-sectional view showing a state in which a heat insulating wall is constructed separately from the greenhouse, FIG. 31 is a cross-sectional view showing the relationship between the heat insulating wall and underground temperature distribution, and FIG. 32 is a heat insulating wall and underground temperature. Another cross-sectional view showing the relationship with the distribution, FIG. 34 is a sectional view showing another example of the relationship between the underground temperature distribution, FIG. 34 is a sectional view showing another example of the relationship between the heat insulating wall and the underground temperature distribution, and FIG. 35 is a diagram showing the relationship between the insulating wall and the underground temperature distribution. 36 is a sectional view of another example showing the relationship, FIG. 36 is a sectional view of another example showing the relationship between the heat insulating wall and the underground temperature distribution, and FIG. 37 is another example showing the relationship between the insulating wall and the underground temperature distribution. 38 is a cross-sectional view of another example showing the relationship between the heat insulating wall and the underground temperature distribution, FIG. 39 is a cross-sectional view showing a state in which outside air is introduced through the space between the building and the heat insulating wall, FIG. 40 is a plan view showing a state in which outside air is introduced through the space between the building and the heat insulating wall, and FIG. 41 is a cross-sectional view showing a state in which the auxiliary air conditioning equipment is used through the space between the building and the heat insulating wall. FIG. 42 is a plan view showing a state in which the auxiliary cooling and heating equipment is used through the space between the building and the heat insulating wall, and FIG. 43 is a more practical application example of the present invention. 44 is a cross-sectional view showing another more practical application example of the present invention, FIG. 45 is a cross-sectional view of a seismic structure building, and FIG. 46 is a cross-section of a seismic structure building to which the present invention is applied. 47 is a cross-sectional view of another example of an earthquake-resistant structure building, FIG. 48 is a cross-sectional view of another example of an earthquake-resistant structure building to which the present invention is applied, and FIG. 49 is an insulation wall extending along the outer wall of the building. FIG. 50 is a sectional view showing another example in which a heat insulating wall is extended along the building outer wall, FIG. 51 is a sectional view showing a heat insulating wall made of a hollow pipe, and FIG. 52 is a heat insulating wall made of a hollow pipe. FIG. 53 is a sectional view showing a winter underground temperature distribution zone in Hiroshima, and FIG. 54 is a sectional view showing a summer underground temperature distribution zone in Hiroshima.

  In this invention, the heat insulation wall A seen in FIG.3 and FIG.4 is constructed | assembled using the synthetic resin heat insulation panel 1 seen in FIG.1 and FIG.2. The heat insulation panel 1 illustrated in FIGS. 1 and 2 is a synthetic resin heat insulation panel having a height that can be deeply embedded from the ground surface 4 toward the underground 3, and includes a left side edge (back in FIG. 1) and an upper edge. The fitting strip 50 has a fitting groove 51 on the right edge (front side in FIG. 1), and the side-by-side heat insulation panels 1 and 1 are connected in a fitted state. Moreover, the moisture-permeable hole 2 connected inside and outside is provided in the heat insulation panel surface. In the example of FIG. 2, the lower right corner is cut away from the heat insulating panel 1 of FIG.

  The heat insulation panels 1 only need to be connected to each other, and the fitting strip and the fitting groove are not essential components. Therefore, it replaces with the heat insulation panel 1 of FIG. 1 or FIG. 2, and the heat insulation wall A seen in FIG.7 and FIG.8 is constructed | assembled using the heat insulation panel 1 of FIG. 5 or FIG. May be. Further, if the humidity is low, it is not necessary to worry about the air permeability or water permeability in the underground 3, so that the moisture ventilation holes are further omitted from the heat insulating panel of FIG. 5 or FIG. 6. You may construct the heat insulation wall A seen in FIG.11 and FIG.12 using the heat insulation panel 1. FIG.

  Next, specific application examples of the present invention will be described. As shown in FIG. 13, the application of the present invention to the building 22 basically embeds the heat insulation panel 1 in close contact with the foundation 5 (in this example, a standard cloth foundation having an inverted T-shaped cross section). The heat insulation panel 1 is preferably extended to extend to the outer wall 9 to construct the heat insulation wall A. That is, the heat insulation wall A is extended up and down with the ground surface 4 as a boundary. In this case, while using the heat insulation panel 1 provided with the moisture passage holes 2 in the buried portion of the heat insulation wall A, the heat insulation panel 1 on the ground portion of the heat insulation wall A does not require the moisture passage holes 2 and The uppermost end may be covered with a drainer 10. Thus, the base 6 is provided for the foundation 5 in the range surrounded by the heat insulating wall A in the range from the underground 3 (precisely the thermostatic layer) to the ground, and the column 7, the inner wall 8 and If the building 22 which consists of the outer wall 9 is built, the building 22, especially the underfloor 12 can be made into the space isolated from the heat exchange in the ground.

  When the heat insulation panel 1 is separated from the foundation 5 by providing the space 11, the heat insulation wall A can be constructed by one continuous heat insulation panel 1 extending from the underground 3 to the ground surface 4 as seen in FIG. 14. In this case, the space 11 constitutes an air heat insulation layer between the heat insulation wall A and the building 22 and has a function of enhancing the function and effect of the present invention. Further, in the case of the fabric base 5 having a linear cross section, as shown in FIG. 15, the heat insulation wall A is constructed by one continuous heat insulation panel 1 that is in close contact with the foundation 5 and extends from the underground 3 to the ground surface 4. it can. Even in this case, as shown in FIG. 16, the space 11 may be provided from the base 5 and the heat insulation panel 1 may be separated to construct the heat insulation wall A. Furthermore, in a place with low humidity, as shown in FIGS. 17 and 18, the heat insulation wall A may be constructed with the heat insulation panel 1 in which the moisture passage holes are omitted.

  The present invention is mainly intended to embed the heat insulating wall to a constant temperature layer in the ground, to a depth of about 3 m, but in practice, the depth may not be expected depending on the hardness of the ground. In such a case, as shown in FIG. 19 and FIG. 20, since the underground 3 is excavated up to the foundation 5, the insulation panel 1 is in close contact with the foundation 5, and the insulation wall A reaches as deep as possible. It is good to do so.

  The present invention is not limited to the fabric foundation 5 and can be applied to other foundations. The present invention can be applied to the foundation 5 having the underground beam 52 as described above, as seen in FIGS. In this case, the foundation 5 can be filled with soil under the underground beam 52, the stability as the building 22 can be increased, and the thermal integrity of the building 22 and the underground 3 can be secured. Also in this case, as shown in FIGS. 23 and 24, the heat insulating wall A can be separated from the foundation 5.

  The present invention can also be applied to a simple building 22 having no foundation. For example, as can be seen in FIG. 25, in a simple building 22 in which columns 7 and 7 are erected on the soil space 14 and have only an upper building 37 without a foundation, the heat insulating panel 1 is in close contact with the outer wall 9. Is embedded to construct the heat insulation wall A. Also in this case, as shown in FIG. 26, the heat insulating wall A may be separated from the outer wall 9 by providing the space 11. Moreover, with respect to the building 22 which has the solid foundation 5 which comprises the basement 38, as seen in FIG.27 and FIG.28, the heat insulation wall A of this invention can be constructed | assembled. In addition, as can be seen in FIGS. 29 and 30, the present invention can also be applied to the greenhouse 15 having the basket 16 in the house 25 as described above.

  Next, the specific operation of the present invention will be described. FIGS. 31 to 34 are examples using a general house building 22, and FIGS. 35 to 38 are examples using a greenhouse 15. In the example shown in FIG. 31, the base 6 is built on the foundation 5 having the underground beam 52, the room 18 surrounded by the floor 17, the building wall 27, and the ceiling 24 is formed on the base 6, and the roof 23. It is the example which built the building 22 consisting of. The heat insulating wall A is formed in the ground with the heat insulating panel 1 penetrating from the ground surface 4 through the 1 m deep layer 19 and the 2 m deep layer 20 and reaching the 3 m deep layer (the thermostatic layer) 21 in close contact with the foundation 5. 3 is embedded. The upper end of the heat insulating wall A is closed by the drainer 10 as in the above examples.

  The heat insulation wall A is composed of a 1 m deep layer 19, a 2 m deep layer 20, and a 3 m deep layer (underground constant temperature layer) 21 immediately below the building 22 surrounded by the heat insulation wall A around the building 22 in the ground 3. The heat exchange is interrupted. As a result, the room 18 exchanges heat with the 3 m deep layer (the underground constant temperature layer) 21 via the 1 m deep layer 19 and the 2 m deep layer 20. In other words, in the summer, the room 18 is cooled by heat exchange with the 3 m deep layer (constant temperature underground) 21 that is relatively cold relative to the outside air, and conversely, in the winter, it is relatively hot relative to the outside air. The interior 18 is heated by heat exchange with the 3 m deep layer (constant temperature underground) 21, and external energy (electricity and gas) required for cooling or heating the interior 18 can be reduced. In this case, as shown in this example (FIG. 31), the floor 17, the base 6 and the underground beam 52 are brought into close contact so as to suppress heat exchange loss in a portion separating the room 18 and the 1 m underground layer. Good. Moreover, in order to suppress the influence of the heat exchange with the external air in the ground exposed part of the foundation 5, it is good to open the space 11 from the foundation 5 and embed the heat insulation panel 1 as seen in FIG.

  Thus, the heat insulation wall A becomes a relatively low temperature (summer) or a relatively high temperature (winter) with respect to the room by blocking heat exchange between the underground surrounding the building and the underground immediately below the building. Cooling or heating by heat exchange between the underground constant temperature layer and the room is intended. Therefore, basically, the deeper the embedment depth of the heat insulating wall A is, the better. However, if the above action is realized, the embedment depth of the heat insulating wall A may be shallow, for example, FIG. 33 or FIG. As shown in FIG. 34, the heat insulating wall A may reach the layer 20 having a depth of 2 m.

  Moreover, since the effect | action of the said heat insulation wall A is implement | achieved by burying a heat insulation panel to the periphery of a building to the last, as seen in FIG.35, FIG.36, FIG.37 and FIG. Even if the house 15 is changed, the action of the heat insulating wall A reaches the inside 25 of the house. As a result, the external energy required for maintaining the temperature of the inside 25 of the house is reduced, so that it is possible to use the greenhouse 15 at a lower cost than in the past.

  In the above examples, when a space is provided between the building or the foundation and the heat insulating wall, the action of the heat insulating wall extends to the space. For this reason, for example, when ventilating the interior 18, as shown in FIGS. 39 and 40, the outside air 26 that has been cooled (summer) or heated (winter) is taken through the space 11 instead of directly taking in the outside air 26. It is good to include. In the example of FIG. 39, the air purification device 28 and the ventilation device 29 are arranged at the symmetrical positions of the heat insulation wall A and the building wall 27, respectively, and the outside air 26 is taken into the room 18 bypassing the space 11.

  Further, by passing through the space 11, a certain degree of cooling (summer season) or heating (winter season) can be expected, and as shown in FIGS. 41 and 42, the heat medium (air, A duct 30 through which water or other air-conditioning medium) passes may be extended from the outside of the heat insulating wall A to the room 18 through the space 11. As a result, in summer, for example, the temperature rise of the cooling medium passing through the duct 30 is suppressed, and it is possible to use auxiliary cooling equipment with little loss. Even in the winter season, the temperature of the heating medium is suppressed and the auxiliary heating equipment with less loss can be used.

  When the present invention is applied to a more practical building 22, as shown in FIGS. 43 and 44, first, the cracked stone 33 is laid and the foundation concrete 32 is placed to constitute the foundation 5. It is desirable that A reaches a depth exceeding the cracked stone 33. Further, for example, when the present invention is applied to a building 22 having an earthquake-resistant structure that surrounds the foundation concrete 32 and the foundation 5 as shown in FIG. As shown in FIG. 46, it is preferable to construct a heat insulating wall A that surrounds the packed bed of the cracked stone 33 and reaches the underground 3 deeper than the packed bed. As in this example (FIG. 47), it can also be seen in FIG. 48 for an earthquake-resistant structure 22 in which a moisture-proof sheet 34 is disposed between the foundation concrete 32 and the foundation 5 and along the lower surface of the underground beam 52. Thus, the present invention can be applied.

  In order to achieve the effects and effects of the heat insulating wall of the present invention better, it is preferable that the building itself does not directly exchange heat with the outside air, but only exchanges heat with the underground constant temperature layer. For example, as shown in FIG. 49 or FIG. 50, the upper heat insulating panel 35 is added to the heat insulating wall A so as to extend upward as the whole heat insulating wall A, and the entire side surface of the building 22 is covered with the heat insulating wall A. Good. As a result, the room 18 can exchange heat only downward and toward the underground 3, and the effects and advantages of applying the present invention can be better exhibited.

  Although the heat insulating wall A of the present invention is most simply constructed using a heat insulating panel, a variety of heat insulating walls A can be used as long as the heat insulating property is exhibited from the viewpoint of blocking heat exchange. Can be used. In particular, as shown in FIGS. 51 and 52, it is preferable that a large number of hollow pipes 36 are embedded in close contact with the foundation 5 to constitute the heat insulating wall A. Since the air layer in the hollow pipe A forms a heat insulating layer, it can be used as the heat insulating wall A of the present invention even if heat exchange by heat transfer due to close contact between the hollow pipes 36 is subtracted. From this, a metal or resin hollow pipe can be used for the heat insulation wall A of this example, and there exists an advantage which can construct | assemble the heat insulation wall A structurally stronger than the above-mentioned heat insulation panel.

It is the perspective view which showed the heat insulation panel used for this invention. It is the perspective view which showed the heat insulation panel of another example. It is sectional drawing which shows the state which embed | buried the heat insulation panel and constructed | assembled the heat insulation wall. It is a top view which shows the state which embed | buried the heat insulation panel and constructed | assembled the heat insulation wall. It is the perspective view which showed the heat insulation panel of another example. It is the perspective view which showed the heat insulation panel of another example. It is sectional drawing which shows the state which embed | buried the heat insulation panel of another example and constructed | assembled the heat insulation wall. It is a top view which shows the state which embed | buried the heat insulation panel of another example and constructed | assembled the heat insulation wall. It is the perspective view which showed the heat insulation panel of another example. It is the perspective view which showed the heat insulation panel of another example. It is sectional drawing which shows the state which embed | buried the heat insulation panel of another example and constructed | assembled the heat insulation wall. It is a top view which shows the state which embed | buried the heat insulation panel of another example and constructed | assembled the heat insulation wall. It is sectional drawing which shows the state which constructed | assembled the heat insulation wall closely to the foundation of a building. It is sectional drawing which shows the state which separated from the foundation of the building and constructed the heat insulation wall. It is sectional drawing which shows the state which closely_contact | adhered to the foundation of the building of another example, and constructed | assembled the heat insulation wall. It is sectional drawing which shows the state which separated from the foundation of the building of another example, and constructed the heat insulation wall. It is sectional drawing which shows the state which closely_contact | adhered to the foundation of the building of another example, and constructed | assembled the heat insulation wall. It is sectional drawing which shows the state which separated from the foundation of the building of another example, and constructed the heat insulation wall. It is sectional drawing which shows the state which constructed | assembled the heat insulation wall closely to the foundation of a building. It is sectional drawing which shows the state which constructed | assembled the heat insulation wall closely to the foundation of a building. It is sectional drawing which shows the state which constructed | assembled the heat insulation wall closely to the foundation which has an underground beam. It is sectional drawing which shows the state which separated from the foundation which has an underground beam, and constructed | assembled the heat insulation wall. It is sectional drawing which shows the state which separated from the foundation which has an underground beam, and constructed | assembled the heat insulation wall. It is sectional drawing which shows the state which separated from the foundation which has an underground beam, and constructed | assembled the heat insulation wall. It is sectional drawing which shows the state which constructed | assembled the heat insulation wall closely to the geothermal utilization ground structure. It is sectional drawing which shows the state which separated from the geothermal utilization ground structure and constructed the heat insulation wall. It is sectional drawing which shows the state which constructed | assembled the heat insulation wall closely to the geothermal utilization underground structure. It is sectional drawing which shows the state which separated from the geothermal utilization underground structure and constructed the heat insulation wall. It is sectional drawing which shows the state which constructed | assembled the heat insulation wall closely to the greenhouse. It is sectional drawing which shows the state which separated from the greenhouse and constructed the heat insulation wall. It is sectional drawing showing the relationship between a heat insulation wall and underground temperature distribution. It is sectional drawing of another example showing the relationship between a heat insulation wall and underground temperature distribution. It is sectional drawing of another example showing the relationship between a heat insulation wall and underground temperature distribution. It is sectional drawing of another example showing the relationship between a heat insulation wall and underground temperature distribution. It is sectional drawing of another example showing the relationship between a heat insulation wall and underground temperature distribution. It is sectional drawing of another example showing the relationship between a heat insulation wall and underground temperature distribution. It is sectional drawing of another example showing the relationship between a heat insulation wall and underground temperature distribution. It is sectional drawing of another example showing the relationship between a heat insulation wall and underground temperature distribution. It is sectional drawing which shows the state which introduces external air through the space of a building and a heat insulation wall. It is a top view which shows the state which introduces external air through the space of a building and a heat insulation wall. It is sectional drawing which shows the state which utilizes auxiliary | assistant cooling / heating equipment through the space of a building and a heat insulation wall. It is a top view which shows the state which utilizes auxiliary air-conditioning equipment through the space of a building and a heat insulation wall. It is sectional drawing which shows the more practical example of application of this invention. It is sectional drawing which shows another example of more practical application of this invention. It is sectional drawing of the building of an earthquake-resistant structure. It is sectional drawing of the building of the earthquake-resistant structure to which this invention is applied. It is sectional drawing of another earthquake-resistant structure building. It is sectional drawing of the building of another example earthquake-resistant structure to which this invention is applied. It is sectional drawing which shows the example which extended the heat insulation wall along the building outer wall. It is sectional drawing which shows another example which extended the heat insulation wall along the building outer wall. It is sectional drawing which shows the heat insulation wall which consists of a hollow pipe. It is a top view which shows the heat insulation wall which consists of a hollow pipe. It is sectional drawing which shows the winter season underground temperature distribution zone in Hiroshima. It is sectional drawing which shows the summer underground temperature distribution zone in Hiroshima.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Thermal insulation panel 2 Ventilation hole 3 Underground 4 Ground surface 5 Foundation 6 Base 7 Pillar 8 Inner wall 9 Outer wall 10 Drainage 11 Space 12 Underfloor 13 Steel frame 14 Soil 15 Plastic house 16 畝 17 Floor 18 Indoor 19 Depth 1m layer 20 Depth 2m layer 21 depth 3m layer (underground constant temperature layer)
22 Building 23 Roof 24 Ceiling 25 Inside the House 26 Outside Air 27 Building Wall 28 Air Purifier 29 Ventilator 30 Duct 31 Heating Medium 32 Foundation Concrete 33 Splitting Stone 34 Moisture-proof Sheet 35 Upper Thermal Insulation Panel 36 Hollow Pipe 37 Upper Building 38 Basement 39 Ground surface (5.0 ℃)
40 depth 1m layer (7.4 ℃)
41 2m deep layer (13.9 ° C)
42 depth 3m layer (16.0 ° C, underground constant temperature bath)
43 Ground surface (29.6 ℃)
44 1m deep (25.4 ° C)
45 depth 2m layer (19.5 ℃)
46 depth 3m layer (17.3 ° C, constant temperature bath in the ground)
47 Underfloor (2.3 ° C)
49 Underfloor (24.3 ° C)
50 Mating strip 51 Mating groove 52 Underground beam A Heat insulation wall

Claims (13)

A geothermal-use structure in which a heat insulating wall extending from the ground surface to the underground constant temperature layer surrounds the building. 2. The geothermal structure according to claim 1, wherein the heat insulating wall is embedded around the foundation of the building. 3. The geothermal use structure according to claim 2, wherein the heat insulating wall is buried in close contact with the ground exposed portion and the underground buried portion of the foundation. The geothermal use structure according to claim 2, wherein the heat insulating wall is embedded separately from the ground exposed site or underground site. An outer ventilation that communicates the space with the outside by providing an inner ventilation section that communicates the space and the inside of the building with the ground exposed portion of the foundation and the heat insulating wall on the wall surface of the ground exposed portion or the building. The geothermal structure according to claim 4, wherein the portion is provided on the heat insulating wall. 2. The geothermal structure according to claim 1, wherein the building is in direct contact with the ground surface surrounded by the heat insulating wall at the bottom of the building. The geothermal use structure according to claim 1, wherein the building is filled with crushed stone between the bottom surface of the building and the ground surface surrounded by the heat insulating wall. 3. The geothermal structure according to claim 2, wherein the building is in direct contact with the ground surface surrounded by a heat insulating wall with a solid foundation extending over the whole or part of the bottom of the building. The structure using geothermal heat according to claim 2, wherein the building is filled with crushed stone between a solid foundation covering a part or all of the bottom of the building and a ground surface surrounded by a heat insulating wall. The geothermal structure according to claim 1, wherein the heat insulating wall is a synthetic resin heat insulating panel. The structure using geothermal heat according to claim 10, wherein the heat insulating panel made of synthetic resin is provided with a ventilation hole that communicates the inside and outside of the heat insulating wall. The geothermal heat utilization structure according to claim 1, wherein the heat insulating wall is formed by connecting synthetic resin or metal hollow pipes in close contact with each other. The structure using geothermal heat according to claim 12, wherein the synthetic resin or metal hollow pipe is provided with a moisture communication hole communicating between the inside and outside of the heat insulating wall.

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