JPH04129204U - Heat storage devices and solar heating buildings - Google Patents

Abstract

(57) [Summary] (with amendments) [Configuration] It is arranged under the floor of the building 2, and has a flow path 30a that communicates with the supply pipe 18 that supplies hot or cold air,
A heat storage device 30 that exchanges heat with hot air or cold air flowing through the flow path 30a, stores the hot air or cold air, and releases the heat-exchanged warm air or cold air into the building 2. It is characterized by having a water pipe 60 disposed in the flow path 30a inside or buried inside the heat storage device 30. Moreover, it is a solar heat utilization building characterized by comprising this heat storage device 30. [Effect] In the summer, the cold heat of the tap water flowing through the water pipes can be stored in the heat storage device, and by releasing this cold heat, the inside of the building can be effectively cooled. In the winter, the inside of the building can be effectively heated by storing warm air in the heat storage device and releasing the warm heat into the building. In this way, it is possible to effectively perform not only heating in the winter but also cooling in the summer, thereby realizing a comfortable living environment in all seasons.

Description

[Detailed explanation of the idea]

0001

[Technical field of invention]

This invention uses warm air heated by a solar heat collector or night heat introduced into a building. Heat exchanged with cold air to store the hot or cold heat, and heat exchanged warm or cold air A heat storage device that releases energy into a building, and a solar thermal building equipped with this heat storage device. related.

0002

[Technical background of the invention]

The interior of the building is comprehensively surrounded with insulation material to improve the insulation and airtightness of the building. A new type of architecture has been developed and is gaining popularity, especially in cold regions.

0003 On the other hand, in JP-A-63-165633 and JP-A-64-75858, As described, the solar heat is collected by a heat collector and the warmed air is used inside the building. It stores heat by supplying it to a heat storage device placed in the Known for heating.

0004 However, in such solar heating buildings, heating in winter is not comfortable. However, it is not necessarily possible to create a comfortable living environment during other seasons such as summer. There wasn't.

[0005] In such cases, using an electrically driven cooling system can easily provide sufficient cooling during the summer. Of course, it is possible to provide effective cooling, but this method does not allow for effective use of solar heat. This goes against the purpose of energy conservation.

[0006] Therefore, the inventor of the present invention introduced the cold air at night in summer into a heat storage device inside the building to cool it down at night. By storing the cold energy of the air and gradually releasing this cold energy, it can be used not only at night in summer but also during the day in summer. The idea is to provide a comfortable living environment throughout the year by cooling the room gently. I devised a plan.

[0007] However, if the heat storage device simply stores the cold heat from the cold air at night, it will not be possible to reduce the heat in the summer. However, it was not sufficient to overcome this problem, and further improvement was desired.

[0008]

[Purpose of invention]

This invention was developed in light of these circumstances, and in addition to heating in the winter, it also provides cooling in the summer. This can be done effectively and, in turn, create a comfortable living environment throughout the seasons. The purpose is to provide heat storage devices and solar heating buildings.

[0009]

[Summary of the idea]

In order to achieve such a purpose, the heat storage device according to the present invention includes: A flow path located under the floor of a building and connected to a supply pipe that supplies hot or cold air. It exchanges heat with the warm or cold air flowing through this distribution path to absorb the hot or cold air. A heat storage device that stores heat and releases the heat-exchanged warm or cold air into a building, The water pipes installed in the flow path within this heat storage device or buried within the heat storage device. It is characterized by having

0010 In addition, in the solar thermal building according to the second invention, Warm air heated by solar heat is guided to a heat storage device, which stores the heat of the warm air. This can be achieved by discharging warm air into the building and/or directing cold external air to a thermal storage device. A solar thermal building that stores the cold heat of cold air and releases the cold air into the building, The heat storage device has water disposed in its flow path or buried within the heat storage device. It is characterized by having a vessel.

[0011] Since the present invention is configured in this way, the water flowing through the water pipes is The cold energy of tap water can be stored in a heat storage device, and by releasing this cold energy, construction The inside of the object can be effectively cooled. At this time, at the same time, the cold air at night is stored as heat. It will be even more effective if you do so.

0012 During the winter, water pipes are bypassed to prevent water from flowing, while water pipes are bypassed during the day. Warm air heated by solar heat collectors, etc. is stored in a heat storage device, and the heat is transferred into the building. By emitting heat, it is possible to effectively heat the inside of a building. At this time, warm air When there is sufficient heat, tap water is circulated through the pipes to exchange heat and produce hot water. It is also possible to obtain this and supply it inside the building.

[0013] In this way, it is possible to effectively perform not only heating in the winter but also cooling in the summer. As a result, a comfortable living environment can be achieved throughout the four seasons. The operation pattern of a solar thermal building equipped with a heat storage device according to the present invention is as follows. It can be any of the following.

[0014] In winter, warm air is stored for heating, while in summer, cold water from tap water is stored as heat. and cooling pattern. In winter, warm air is stored for heating, while in summer, cold water from tap water is stored as heat. In addition to this, the cold air at night is stored and contributes to cooling.

[0015]

[Specific explanation of the idea]

An embodiment of the present invention will be described below with reference to the drawings. As shown in FIG. 1, in the solar heating building 2 according to this embodiment, a thick A solar heat collection device 6 is installed. The solar heat collector 6 takes in outdoor air. an intake port 8 that can be used to 0. The internal channel 10 is irradiated with sunlight through a transparent member such as glass. The outdoor air taken in here is heated. Additionally, fig. 1, a solar cell 16 is installed on one surface of the heat collecting device 6 on the sunlight irradiation side. It is preferable to set the

[0016] The heat collecting device 6 installed in this way has a function to guide the heated air in the internal flow path 10 indoors. One end of an indoor duct (supply path) 18 for supplying water is connected. Indoor duct 18 and others One end is connected to a heat storage and cold storage device 30, which will be described later. A flow path switching box 20 is installed. This flow path switching box 20 A discharge duct 22 and a suction duct 24 are connected to each other. The discharge duct 22 is Air within the indoor duct 18 can be discharged outdoors. suction duct 24 is capable of guiding outdoor air to the indoor duct 18. Flow path switching Inside the box 20, there are a discharge flow path switching damper 26 and a suction flow path switching damper. 28 is installed. These switching dampers 26 and 28 are connected to the solar heat collector 6 and When connecting the heat storage and cold storage device 30, and when connecting the solar heat collecting device 6 and the exhaust duct 22, In the case where the suction duct 24 and the heat storage cold storage device 30 are communicated with each other, selectively It is now controlled by. These switching dampers 26 and 28 have heat insulation properties. , materials with excellent heat resistance, such as heat-resistant expanded polystyrene (such as Kanekabuchi Chemical Industry Co., Ltd.) It is preferable to use a material such as HEATMAX (product name: HEATMAX) or silicone resin. stomach.

[0017] An indoor duct 18 between such a flow path switching box 20 and the heat collecting device 6 side Inside, there is a first duct which can forcefully blow the air inside the heat collecting device 6 into the indoor duct 18 as appropriate. A fan 32 is installed. Moreover, in the suction duct 24, from the suction duct 24, A second fan 34 is installed that can forcefully draw outdoor air into the indoor duct 18. Ru. The first fan 32 is driven by the solar cell 16 arranged in the solar heat collector 6 The second fan 34 is connected to a storage battery ( (not shown) A heat storage device 30 to which the other end of the indoor duct 18 is connected is placed under the floor and is connected to the indoor duct 18. The air in the duct 18 is guided into the inside of the device, exchanges heat with the air circulating inside, and It stores the cold or hot heat of the air passing through it and discharges the heat-exchanged air into the building. It is now possible to Although the heat storage device 30 is not particularly limited, the internal A structure in which a plurality of concrete blocks having flow passages 30a are arranged is used. It will be done.

[0018] In such a building 2, the outer periphery of the foundation 34, the outer periphery of the pillar 36, and the roof material 4a On the indoor side, a heat insulating material 38 is installed so as to comprehensively surround the building, and also to cover the underfloor space. 40 and the attic space 42 to form an inner ventilation layer 44. It is being circulated. Then, between the insulation material 38 and the outer wall material 46 and between the insulation material 38 and the roof An outer ventilation layer 48 may be formed between the root material 4a and the root material 4a. Also, this In a building where the building is comprehensively surrounded by a heat insulating material 38, the underfloor space 40 In order to ventilate the inner ventilation layer 44 and the attic space 42, an underfloor ventilation hole 5 is provided under the floor. 0 is provided, and a ventilation opening 52 under the ridge is provided in the ridge portion of the roof. These exchanges An underfloor opening/closing damper 54 and an underridge opening/closing damper 56 are provided at each of the air vents.

[0019] In Building 2 configured in this way, it is not possible to forcefully ventilate the room. Preferably, some rooms in the building, such as toilets and bathrooms, It is preferable to provide a ventilation device 58 that can forcefully exhaust air outdoors. .

[0020] Furthermore, in this embodiment, as shown in FIG. A water pipe 60 is installed. This water pipe 60 is directly buried within the heat storage device 30. may have been done. The water pipe 60 may distribute municipal tap water, or may be used for a well. Water may be circulated. For example, according to the standard climate data for Tokyo in August, the city In the case of commercial tap water, the temperature is 20°C to 23°C, and in the case of well water, The temperature is 15°C to 18°C.

[0021] Furthermore, in winter, tap water is not allowed to flow into the water pipe 60 inside the heat storage device 30. A bypass pipe (not shown) is provided. Furthermore, if dew condenses on the water pipe 60, The flow passage 30a is formed with a tapered surface and a dowel so that dew condensation water can be discharged. A lens receiver 61 is provided on the foundation 34.

[0022] With this configuration, in the summer, the tap water flowing through the water pipe 60 is cooled. Heat can be stored in the heat storage device 30, and by releasing this cold heat, it can be used inside the building. can be effectively cooled. At the same time, try to store cold air at night. It is even more effective.

[0023] During the winter, the inside of the water pipe 60 is bypassed to prevent tap water from flowing; The warm air heated by the solar heat collection device 6 etc. is stored in the heat storage device 30, and the heat is generated. By releasing the heat into the building, the inside of the building can be effectively heated. this At this time, when there is sufficient heat from the warm air, tap water is circulated through the water pipe 60 to perform heat exchange. It is also possible to obtain hot water and supply it into the building.

[0024] The operating pattern of solar thermal buildings equipped with such heat storage devices is as follows: It may be any of those mentioned in the section. Next, the operation of the solar heating building according to this embodiment will be specifically explained.

[0025] During the winter and summer seasons, underfloor replacement is used to heat or cool the building. The air vents 50 and the underbuilding ventilation vents 52 are closed, and the ventilation device 58 is constantly operated. It is.

[0026] In the case of winter daytime, the first fan 32 is driven and the second fan 32 is driven, as shown in FIG. pin 34 is not driven. The switching damper 26, as shown in FIG. 22 and the suction duct 24 are controlled to be closed. For this reason, the heat collector The air heated in step 6 is sent to the heat storage device 30 through the indoor duct 18, where it is heated. The heat is exchanged and stored, and it is also sent to each room, contributing to the heating of each room. Finally, it is discharged outdoors from the ventilation device 58. At this time, run tap water into the water pipe 60. However, as mentioned above, when there is sufficient heat from the warm air, Alternatively, hot water may be obtained by circulating tap water through the water pipe 60 to exchange heat.

[0027] In the case of a winter night, as shown in FIG. 2, the solar cell 16 is not irradiated with sunlight. Therefore, the first fan 32 is not driven. Moreover, the switching damper 26 is The inside of the building is controlled to close the duct 22 and the suction duct 24. , the heat storage device 30 is gradually warmed by the stored heat.

[0028] Next, in the case of summer, as mentioned above, the cold and heat of the tap water flowing through the water pipe 60 is can be stored in the heat storage device 30, and by releasing this cold heat, the inside of the building can be heated. Cool effectively.

[0029] In addition to this, you can use cool air at night in summer to cool the room, as shown below. stomach. That is, on summer nights, as shown in FIG. 3, the first fan 32 is not driven and the second fan 32 is not driven. The pipe 34 is driven to introduce cold air into the indoor duct 18 at night. For this reason , relatively cold outside air on a summer night is introduced into the heat storage device 30 through the suction duct 24. Here, heat is exchanged and cool is stored. In this way, in addition to the cooling and heating of tap water, Since the cold heat of the cold air is stored, cooling can be performed more effectively.

[0030] During the daytime in summer, as shown in Figure 4, cooling is mainly performed using the cold energy of the tap water. However, in this case, the remaining cold heat stored during the night will be released. Cooling can also be achieved in this manner. Note that the first fan 32 is rotating at noon. The second fan 34 is not rotated and the heat collecting device 6 and the exhaust duct 22 are connected. The air heated by the heat collecting device 6 is passed through the exhaust duct 22 to the outdoors. be discharged. In this case, a heat exchanger is attached to the discharge duct 22, and the heat exchanger Alternatively, cold water may be converted into hot water.

[0031] Note that the present invention is not limited to the embodiments described above, and can be modified in various ways. Of course there is.

[0032]

[Effect of the idea]

As mentioned above, in the present invention, during the summer, the cold and hot water flowing through the water pipes is can be stored in a heat storage device, and by releasing this cold heat, the inside of the building can be effectively used. can be cooled to At this time, if you store cold air at night at the same time, you can Layers are effective.

[0033] During the winter, water pipes are bypassed to prevent water from flowing, while water pipes are bypassed during the day. Warm air heated by solar heat collectors, etc. is stored in a heat storage device, and the heat is transferred into the building. By emitting heat, it is possible to effectively heat the inside of a building. At this time, warm air When there is sufficient heat, tap water is circulated through the pipes to exchange heat and produce hot water. It is also possible to obtain this and supply it inside the building.

[0034] In this way, it is possible to effectively perform not only heating in the winter but also cooling in the summer. As a result, a comfortable living environment can be achieved throughout the four seasons.

[Brief explanation of drawings]

FIG. 1 is a sectional view of a solar heating building according to an embodiment of the present invention.

FIG. 2 is a schematic cross-sectional view showing the state of a building according to an embodiment of the present invention on a winter night.

FIG. 3 is a schematic cross-sectional view showing the state of a building on a summer night according to an embodiment of the present invention.

FIG. 4 is a schematic cross-sectional view showing a building according to an embodiment of the present invention in a summer daytime state.

[Explanation of symbols]

2 Buildings 6 Solar heat collector 18 Indoor duct (supply pipe) 30 Heat storage device 30a Distribution path 60 Water pipe

Claims (2)

[Scope of utility model registration request] Claim 1: A building having a flow path that is placed under the floor of a building and communicated with a supply pipe that supplies hot or cold air, and exchanges heat with the warm or cold air flowing through the flow path to collect the hot or cold heat of the air. A heat storage device that stores heat and releases the heat-exchanged warm or cold air into a building, and has water pipes installed in the flow path or buried within the heat storage device. A heat storage device featuring: [Claim 2] Warm air heated by solar heat is guided to a heat storage device to store the heat of the warm air, and the warm air is released into the building, and/or cold external air is guided to the heat storage device and used therefor. A solar thermal building that stores the cold energy of cold air and releases the cold air into the building, wherein the heat storage device has a water pipe installed in the flow path of the heat storage device or buried within the heat storage device. A solar heating building characterized by: