JPS5844290Y2 - solar equipment - Google Patents

Description

[Detailed explanation of the idea] The present invention relates to improvements in solar devices.

Conventionally used solar devices include natural circulation type and forced circulation type.

As shown in Figs. 1 and 2, the natural circulation solar device has a heat insulating material and a reflector 2 placed inside a shallow case 1, and an upper header pipe 3 placed above the case.
The lower header pipes 4 are positioned below parallel to each other, and a heat collecting plate is placed in which the upper header pipe 3 and the lower header pipe 4 are connected at right angles by a number of vertical pipes 5, and a glass plate is placed on the upper surface of the heat collecting plate. A pair of heat collection boards A and B are constructed by placing transparent plates 6 such as The lower header pipes 4 and 4 are connected by a connecting pipe 4', and a hot water storage tank 7 is placed on the roof above the heat collection panels A and B, and one end is connected to a water faucet or a water storage tank. Water is sent to the lower header pipe 4 of one of the heat collection panels B by the truck feeder reviver 8, transferred to the lower header pipe 4 of the other heat collection panel A through the connecting pipe 4', and then transferred to the lower header pipes 4 of the other heat collection panel A by water pressure. Upper header pipe 3, 3
During this period, hot water heated by solar heat is sent to the hot water storage tank 7, and hot water is supplied by using the difference in head through the hot water pipes 9 from the hot water storage tank 7 to each hot water supply location, such as a bathroom or a kitchen. It is configured.

As shown in Figure 3, the forced circulation type solar device has a pair of heat collecting plates A in the natural circulation type described above.

Only B is placed side by side on the roof and positioned diagonally, and the hot water storage tank 7
is placed on the ground, and the lower header pipe 4 of one heat collection panel A is placed on the ground.
and the lower part of the hot water storage tank 7 are connected by a cold water feed pipe 8, and the lower header pipe 4 of the other heat collection board B is connected by the connecting pipe 4' of the lower header pipes 4, 4, and the upper header pipe 3° 3 is also connected by a connecting pipe 3', and the upper header pipe 3 of the heat collection board B and the hot water storage tank 7
The upper part of the hot water storage tank 7 is connected to the upper part of the tank by a return pipe 11, and a temperature detection sensor S1 for the high temperature part is installed in the heat collecting board B, and a temperature detection sensor S2 for the low temperature part is installed in the hot water storage tank 7, and both sensors are connected by a connecting wire 10. It is connected.

Therefore, at first, the heat collecting plates of heat collecting plates A and B are not filled with water.

When the hot water storage tank 7 is filled with water, the temperature difference sensors Sl and S
2 catches the temperature difference between the high-temperature parts of the heat collection panels A and B and the low-temperature part of the hot water storage tank (inside), and when the temperature difference becomes 5℃ or more, the circulation pump P is activated to pump water. pipe 8
From there, it passes through the lower header pipe 4 of heat collector A, the connecting pipe 4', and is pushed up to the lower header pipe 4 of heat collector B, and then the vertical pipes 5, 5.5 of heat collector A, B... The upper header is heated by solar heat during its upward migration.
Hot water is stored in a hot water storage tank 7 through a return pipe 11 from each pipe 3, and is sent through a hot water supply pipe 9 to each hot water supply location such as a bathroom, a kitchen, etc.

Therefore, the former natural circulation solar device has heat collection panels A and B.
and hot water storage tank 7 can be installed very close to each other on the same roof, the amount of expensive circulation pipes that connect them is extremely small, and no forced circulation device is required, making it easier to use than a forced circulation type. Although it has the advantage of being extremely inexpensive to install, it takes a long time to obtain hot water, and the heat collecting plates built into each heat collecting board A and B are located parallel to each other. Connect the upper and lower header pipes 3 and 4 to 1. Since it is connected by a vertical pipe 5 located at right angles to this,
Water remains inside the heat collection board, and although the hot water storage tank can be kept warm with heat insulating material, this combined with the fact that heat collecting board A and B sides cannot be covered with heat insulating material makes it susceptible to freezing due to changes in temperature and weather. There were drawbacks.

Although the forced circulation solar device has the advantage of being able to obtain hot water in a short period of time, it requires a place for installation because the hot water storage tank 7 is installed on the ground, and it is impossible to install it in a house where there is no place to install it. At the same time, the circulation pipes that connect the heat collection panels A and B and the hot water storage tank must be long and extremely expensive. Since it has the same structure as the heat collecting plate of the device, it has the same drawbacks as the natural circulation type, such as being susceptible to freezing due to changes in temperature and weather.

The present invention has a configuration in which a hot water storage tank is installed on the rooftop of a pair of heat collection panels A and B, which are installed in parallel below and adjacent to each other facing upward. One end of the lower header pipe of each of the heat collecting plates is inclined downward, and the inclined lower part of the lower header pipe of one heat collecting plate is connected to the hot water storage tank by a return pipe, and the lower header of the other heat collecting plate is connected to the hot water storage tank. The lower part of the slope of the pipe and the hot water storage tank are connected by a water pipe, and a forced circulation device such as a temperature difference sensor and a submersible pump with a motor to prevent idling, which are included in the conventional forced circulation method, is installed. Like the natural circulation method, it can be installed under any conditions (houses that do not have the installation area for a hot water storage tank), and it is possible to provide solar equipment at a price that is not much different from the above method. Similarly, we take advantage of the advantage of natural circulation method and forced circulation method that hot water can be obtained at high temperature in a short period of time, and we also take advantage of the remaining water inside the heat collection board built into the heat collection board, which was impossible to solve with both of the above methods. The purpose of this invention is to provide a solar device that can completely prevent freezing due to changes in temperature and weather, and can always operate smoothly.

The present invention will be described below with reference to the embodiments shown in the drawings.

Figures 4 to 7 show an embodiment of the present invention, in which a pair of heat collection panels A and B are installed on the rooftop facing one side (diagonally upward).
are installed in parallel, and a hot water storage tank C is installed adjacently below the heat collection panels A and B on the same rooftop.

D is a snow sliding plate made of aluminum plate, etc., and is attached to the upper surface of the heat collecting board and the road surface above the gap between the heat collecting boards A and B, and also to the bottom of the heat collecting board A and B. Install the heat collection board flush with the top surface of the hot water storage tank at the top of the gap with the hot water storage tank C.

As shown in Fig. 7, the heat collection board A has a shallow box-like case 21
A heat insulating material 22 a is filled in the space a, and a heat collecting plate 2 is placed on top of it.
3a, and place a transparent plate 24a such as a glass plate on top of it.

The heat collecting plate 23a includes an upper header pipe 25a, a lower header pipe 26a, and the upper and lower header pipes 25a.
, 26a, vertical pipes 27a, 27a connecting
, 27a..., and one end of the lower header pipe 26a, that is, the left end in FIG. 5, is inclined downward.

The heat collecting board B is also formed in the same manner as the heat collecting board A, and 21 b is a shallow box-like case, 22 b is a heat insulating material, 23 b is a heat collecting plate, and 25
b is the upper header pipe constituting the heat collecting plate, 26 b
Similarly, 27b is a lower header pipe, and one end of the lower header pipe 26b, that is, the right end in FIG. 5, is inclined downward.

28 is an angle frame material that supports heat collection panels A and B, 29 is C
Formwork, 30 is the inner lid of the hot water storage tank C, 31 is the outer lid, 32
is a ball tap, and 33 is a heat insulating material.

Heat collecting plates 2 are built in heat collecting plates A and B arranged in parallel.
3a, 23b upper header pipe 25a,
25b are connected by a connecting pipe 38.

In addition, the inclined lower part, that is, the left end of the lower header pipe 26a of the heat collecting plate 23a built in the heat collecting plate 23a built in the heat collecting plate A is connected to the upper part of the hot water storage tank C by a return pipe 34. The lower header pipe 26 b of the hot plate 23 b connects the inclined lower part, that is, the right end, and the lower part of the hot water storage tank C to the water supply pipe 3
Connected by 5.

The water pipe 35 enters the hot water storage tank C, and a submersible pump P with an anti-idling mechanism is attached thereto.

50 is an overblow tube.

As shown in FIG. 6, a temperature detection sensor S1 for the high temperature section is attached to one of the heat collection panels B, and a temperature detection sensor S2 for the low temperature section is attached to the hot water storage tank C, so that both temperature detection sensors S1.
S 2 is connected to the controller CO by a connecting line 40 .

The motor M in the hot water storage tank C is connected to the controller CO above.
, pump P are connected 42.

T is a transformer, and 41 is a power connection cord for the controller CO.

43 is an automatic air vent valve.

Temperature detection sensor S 1. The controller CO is configured to operate when a temperature difference of 5° C. or more is detected by S2.

In addition, the hot water storage tank has a hot water supply pipe 36 and a cold water supply pipe 3.
7 is attached.

Next, the operation of the above embodiment will be explained.

Water is supplied into the hot water storage tank C through the water feed pipe 37 to fill it with water.

Heat collecting plates 23a built into heat collecting plates A and B. The maximum temperature of 23 b and the minimum temperature in the hot water storage tank C are detected by temperature detection sensors Sl and S2, and when the difference in temperature becomes 5°C or more, the controller CO is activated, and the submersible pump P with idling prevention is activated by its command. to operate the motor M of the pump P.
The water in the hot water storage tank C is sent from the water pipe 35 to the lower header pipe 26b of the heat collection board B, and the vertical pipe 27b is raised to send it to the upper header pipe 25b. Heat collecting plate 2
3 Heat the water in b and pass it through the connecting pipe 38 to the heat collection board A.
Through the side upper header pipe 25a, the vertical pipe 27
a and reaches the lower header pipe 26a, where it is further heated by solar heat and stored in the hot water storage tank C from the return pipe 34.

The hot water in the hot water storage tank C is distributed to each hot water supply position such as a bathroom, a kitchen, etc. through a hot water supply pipe 36.

Therefore, in the present invention, the heat collecting plate A built in the heat collecting board A
One end of the lower header pipe 26a of the former and one end of the lower header pipe 26b built in the heat collection board B are inclined downward, and the inclined lower part, that is, the left end of the former lower header pipe 26a and the upper part of the hot water storage tank C are connected. is connected to the return pipe 34, and the inclined lower part, that is, the right end of the latter lower header pipe 26b and the lower part of the hot water storage tank C are connected to the water supply pipe 3.
5, so when the motor M stops and the submersible pump P with idling prevention stops, the heat collecting plate 23a,
All water and hot water in 23b are connected to vertical pipes 27a, 27
b, lower header pipes 26a, 26
b, and the lower header pipes 26a, 26
It flows to the lower part of the slope of b, and the return pipe 34 or the water supply pipe 3
7 into the hot water storage tank C, heat collecting plates 23a, 23
There is no residual water left inside b.

However, when the pump P is stopped and the heated water descends from the upper header pipe 25a of the heat collection MA, the automatic air venting 43 needs to send air from the upper header pipe 25a, the vertical pipe 27a, and the lower header pipe 26a. The air vent valve 43 is an air valve for letting air in and out.

does not need to be present, even without this valve the return pipe 3
Air is supplied from 4.

As described above, the present invention has a configuration in which a hot water storage tank is provided on the roof of a pair of heat collection panels A and B arranged side by side toward the top, adjacent to the bottom of the same roof. One end of the lower header pipe of each of the heat collecting plates built in B is tilted downward, and the inclined lower part of the lower header pipe of one heat collecting plate and the hot water storage tank are connected by a return pipe, and the other end is A structure in which the inclined lower part of the lower header pipe of the heating plate and the hot water storage tank are connected by a water pipe, and a forced circulation device such as a temperature difference sensor visible in the conventional forced circulation method, a submersible pump with a motor and an anti-driving pump, etc. is installed. Due to its configuration, it can be installed under any conditions (houses that do not have the installation area for a hot water storage tank) like the conventional natural circulation system, and it is possible to provide solar equipment at a price that is not much different from the above system, and it is not compulsory. Taking advantage of the advantages of the natural circulation method and forced circulation method, which can provide hot water in a short time like the circulation method,
However, in both of the above methods, solar panels can completely prevent freezing due to temperature changes due to residual water inside the heat collection board built into the heat collection board, which was impossible to solve, and ensure smooth operation at all times. There is an effect that the device can be provided.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of a part of a conventionally known natural circulation type solar device, Fig. 2 is a perspective view of the whole of Fig. 1, Fig. 3 is a perspective view of a conventionally known forced circulation type solar device, and Fig. 4 is a perspective view of a part of a conventionally known forced circulation type solar device. The figure is a perspective view of the present invention, Figure 5 is a plan view of the heat collecting panel of the present invention with the transparent plate removed, Figure 6 is a diagram showing the temperature difference sensor and pump mechanism, and Figure 7 is the present invention. FIG. 2 is an enlarged vertical cross-sectional view of the solar device. A... Heat collection board, B... Heat collection board, C...
...Hot water storage tank, 21a, 21b--...
, case, 22a1, 22b...insulating material, 23
a, 23 b... Heat collection plate, 24 a, 2
4 b...transparent plate, 25 a, 25 b...
... Upper header pipe of heat collecting plate, 26 a, 2
6 b...Lower header pipe of heat collecting plate, 27
a, 28a...Vertical pipe, 34...Return pipe, 35...Water pipe, 35...
...Hot water pipe, 37...Water feed pipe, 38
...Connection pipe, 40...Connection line, 4
1...Power connection cord, 42...Connection, 43...Automatic air vent #, Sl...High temperature part temperature detection sensor, S2...・・Low temperature detection sensor, CO・・Controller, T・・
...Transformer, P... Submersible pump with slip prevention, M... Motor.

Claims (1)

[Scope of Utility Model Registration Claim] A pair of heat collection panels A installed on the roof facing upwards. A hot water storage tank is installed on the same roof near the bottom of B, and the heat collection consists of an upper header pipe, a lower header pipe, and a vertical pipe connecting the upper and lower header pipes installed in the heat collection panels A and B, respectively. The upper header pipes of each of the plates are connected by a connecting pipe, and one end of the lower header pipe of each of heat collection panels A and B is inclined downward to connect the inclined lower part of the lower header pipe of one heat collection panel to the hot water storage tank. are connected by a return pipe, and the inclined lower part of the lower header pipe of the other heat collection board and the hot water storage tank are connected by a water supply pipe, and a submersible pump with an anti-idling mechanism is attached to the water supply pipe in the hot water storage tank. At least one of the heat collection panels is provided with a temperature detection sensor for the high temperature part, and the hot water storage tank is provided with a temperature detection sensor for the low temperature part, and the motor of the submersible pump with idle prevention and both of the above sensors are connected to a controller. Solar equipment connected through.