JPH08261487A - Panel heating device with solar battery - Google Patents

Abstract

PURPOSE: To enable a panel heating to be carried out with a convenient and less-expensive constitution in which an expensive system of solar heat utilizing type is not used and a solar battery electrical power utilization is set when a location requiring a heat processing such as a shaded place is heated with a panel heating. CONSTITUTION: This facility is comprised of a solar battery 1 installed at a place where a sun shining can be attained, and panel heaters 3A1, 3A2, 3B1, 3B2 assembled with a DC motor mounted at a shaded place where a heating is required. A DC electrical, power obtained by the solar battery 1 is transmitted directly to the panel heaters 3A1, 3A2, 3B1, 3B2 through an electrical wiring 2 and then a surrounding air or water is heated by heat generated by the panel heaters 3A1, 3A2, 3B1 and 3B2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a panel heating device that effectively uses the output power of a solar cell, and particularly in cold regions or in winter / cold regions, heating, ice prevention (including snow melting), hot water heating The present invention relates to a panel heating device using a solar cell that is effectively applied to, for example.

[0002]

2. Description of the Related Art This type of panel heating (surface heating)
With regard to the above, many techniques such as a method of passing hot water through a pipe through a floor to heat the floor with hot water, an interior material incorporating an electrically conductive heating element, and an electric blanket have been commercialized.

On the other hand, there are a solar heat utilization type and a solar cell electric power utilization type as a solar energy utilization technique for heating by utilizing solar energy. In most of the solar heat utilization type, the solar heat is collected in water (or antifreeze) by a collector and the heated hot water is transferred to a place for heating / hot water supply by a pipe. Further, in the solar cell power utilization type, it is general that the direct-current power generated by the solar cell is converted into an alternating current by a direct / alternating converter (inverter) and can be used for various power loads. .

[0004]

However, in the above-mentioned technology for utilizing solar energy, the solar radiation cannot be used at night and is an energy source that depends on the weather. Storage of solar cell power is necessary, and it is difficult to make an economical practical system. Therefore, even when the solar energy is applied to the panel heating, it becomes difficult to make a practical system in the same way due to the problems inherent in each model as shown below.

(1) Solar heating type panel heating Despite its high energy conversion efficiency, it requires heat collectors, pipes, pumps, heat storage tanks, pipes for these, electric and control equipment, and freeze prevention equipment in cold regions. However, a boiling pressure relief device is required in a place where sunlight is strong, and the equipment becomes expensive. There is also a method of heating the air with solar heat and transporting the air to use it for heating, but it requires a heat collector, a duct for transporting air, a blower, and the associated electrical and control equipment. Equipment becomes expensive.

(2) Panel heating using solar cell power Even if the cost of the solar cell is reduced, as long as auxiliary equipment such as direct / alternating conversion inverter equipment, storage battery equipment, and system line connection equipment is attached, It is quite difficult to reduce the construction cost of a solar cell system.

The present invention has been made to solve the above-mentioned problems, and an object thereof is to use a simple and inexpensive structure for a solar cell power utilization type without using expensive equipment for solar heat utilization type. It is an object of the present invention to provide a panel heating device using a solar cell capable of panel heating.

[0008]

A panel heating device using a solar cell according to the present invention includes a solar cell installed in a place where sunlight can be obtained, and a DC installed in a place where heating is required such as a shaded area. It is characterized by comprising a panel heater incorporating a heater, and transmitting direct-current power obtained from a solar cell directly to the panel heater via electric wiring.

When a panel heater is installed on a wall or floor in a room, the panel heater is constructed by additionally attaching a heating element to which electric wiring is connected to the back surface of a surface material such as metal or ceramic. To do.

When heating the water stored in the bath or the water in the heat storage tank using the night power, the panel heater covers the heating element to which the electric wiring is connected with a waterproof cover, and the electric wiring connection port of the cover is closed. Configured with a waterproof seal.

When heating is required when there is no sunlight (nighttime, cloudy weather, rainy weather), commercial power is supplied to the panel heater to enable heating.

[0012]

[Operation] For example, in cold regions such as winter or mountainous areas,
The place where the sunlight comes in through the window is warm enough to require cooling, but the other places where the sunlight does not come in need heating.
In the present invention, a solar cell is installed on an outer wall, a roof, or the like where solar radiation can be obtained, and power is transmitted to a place where heating is required to heat a wall portion and a floor portion inside a panel heater incorporated therein, and the surrounding space Heating.

The DC power obtained from the solar cell is directly transmitted to the panel heater through the electric wiring, and the panel heater generates heat with the DC current. Therefore, the direct / alternating inverter equipment and the storage battery in the conventional solar cell system are used. It is a simple and inexpensive facility that does not require auxiliary facilities such as facilities, and can easily panel-heat a location that requires heating.

The location of the panel heater is not limited to the indoor space, but may be the road surface such as an outdoor approaching area in the shade, and the location where the freezing is dangerous can be panel-heated to prevent freezing. it can.

Further, if the panel heater is covered with a waterproof cover and the electrical wiring connection port is waterproofly sealed to make it a waterproof type, it is possible to heat the night-time power storage tank water, bath water and the like.

Further, the DC panel heater of the present invention can be operated even with an AC current, and by connecting a commercial power source to the electric wiring from the solar cell, the commercial AC power source can be used at night or when there is no sunlight during cloudy or rainy weather. You can also do panel heating.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to illustrated embodiments. FIG. 1 shows a basic system example of a panel heating device using a solar cell according to the present invention, FIG. 2 shows a structural example of a panel heater, and FIG.

In FIG. 1, a panel heating device using a solar cell comprises a solar cell 1 as a power source, electric wiring 2, and a panel heater 3 as a heating element. The solar cell 1 is a generally used panel-shaped solar cell, and is installed on the roof, rooftop, outer wall surface, ground, or the like with the light collecting surface facing the direction of high light collecting efficiency.

The panel heater 3 is installed at a place where heating is required, and is roughly classified into a normal type 3A and a waterproof type 3B according to its installation purpose and installation site. For example, in the room, the panel heater 3A-1 is on the floor, the wall panel heater 3A-1 is on the wall, the waterproof type panel heater 3B-1 is on the nighttime heat storage tank 4, and the waterproof type panel heater 3B-1 is on the cooked bath 5. Is installed.

Each of these panel heaters 3 is a solar cell 1.
To the electric wiring 2 via the electric wiring 2, and the DC power output from the solar cell 1 is directly transmitted. Therefore, each panel heater 3 operates with direct current and operates only when solar cell power is obtained, so that it does not require auxiliary equipment such as a direct / alternating inverter facility and a storage battery in the conventional solar cell system, and is simple and easy. It is possible to have an inexpensive configuration.

FIG. 2A shows a normal type panel heater 3A.
Of the surface material 10 made of a plate-shaped metal or the like, and a conductive heating element 11 that generates heat due to electric resistance is closely attached to the central portion of the back surface of the surface material 10. The heat generated by the conductive heating element 11 is applied to the surface material 10. It has a structure that conducts heat evenly. Surface material 10
In addition to metal surface materials (aluminum materials, stainless materials, iron plate coating finish materials, etc.) as good thermal conductors, glass materials, ceramic materials (including porcelain plates, etc.), etc. are used.

On the back surface of the surface material 10, ribs 12a are formed.
Alternatively, a surface material support structure 12 such as a heat insulating material 12b is attached as necessary, whereby the back surface of the surface material 10 is insulated by the heat insulating material 12b of the surface material 10 or the air layer 13, and a conductive heating element. It can be used as a wiring space of 11. It should be noted that the surface material support structure 12 includes the conductive heating element 1
1 is formed with an opening that allows free wiring.

FIG. 2B shows a normal type panel heater 3A.
In the example, the interior material is used as the surface material,
An interior material 14 such as wood or cloth is attached to the surface of a metal plate 15 as a good heat conductor, and the conductive heating element 11 is closely attached to the center of the back surface of the metal plate 15. The other structure is similar to that of FIG.

FIG. 3 shows an example of the structure of a waterproof panel heater 3B for heating water with solar cell power, in which the conductive heating element 11 is covered with a metal cover 20 of a good electric conductor to cover the electric wiring. The connection port is sealed with a water resistant and heat resistant seal rubber 21. A waterproof cord 22 is used for the electric wiring 2.

For these panel heaters 3, the conductive heating element 11 itself is made of a material having a function of preventing the temperature from rising above a certain temperature. Further, a thermostat or the like may be provided to prevent the temperature from rising above a predetermined temperature, thereby avoiding unnecessary power consumption and abnormal temperature rise.

Next, FIG. 4 shows that the panel heater 3 is an electrically conductive heating element that generates heat even with an alternating current, so that when panel heating is required even in cloudy or rainy weather without sunlight or at night, commercial power is required. Is an example of a system that can use. In this system example, a backflow preventer (diode) 31 is provided on the electric wiring 2 from the solar cell 1, and
The AC power supply 30 is connected on the downstream side of the backflow preventer 31.

The electric wiring 2 is provided with a detector 33 for measuring the output voltage of the solar cell, the heater panel 3 is provided with a temperature sensor 34 for measuring the surface temperature, and the electric wiring 32 of the AC power source 20 is provided with the solar cell. The relay 33a of the output voltage detector 33 and the relay 34a of the temperature sensor logic circuit are provided, and when the solar cell is not generating the required power, the contact of the relay 33a is turned on and the surface temperature has not reached the set temperature. Then, the contact of the relay 34a is turned on, and when both relays are turned on, commercial power from the commercial power system is input, and the panel heating device can be operated even at night or in cloudy weather or rainy weather.

Further, in fine weather, the contact of the relay 33a is turned off when the solar cell is sufficiently generating the required electric power, and when the surface temperature is equal to or higher than the set value, the contact of the relay 34a is contacted. Is turned off, and when either one of them is turned off, commercial power is cut off and wasteful power consumption is avoided. Even in the case of using the alternating current as described above, a rectifier or the like for AC / DC conversion is unnecessary.

Specific examples of installation locations of the above panel heating device, the solar cell 1 and the panel heater 3 include the following.

Housing A solar cell is installed in a place where the sun can be secured, such as a roof surface, and a panel heater that directly uses the power of the house can be used in a cold kitchen, a handwash, a front door that does not have sunlight, or a place where water heating is required. Heating.

In order to avoid the deterioration of merchandise, most of the stores are on the north side and shaded stores. Solar cells will be installed on the rooftop of a sunny arcade, and a panel heater will be used to heat a place where shop assistants are not always in the sun. In addition, if countermeasures against icing on the approach road in front of the store are required, it is possible to prevent icing by installing a panel heater on the road surface.

Solar cells are installed on a sunny wall such as an office, a hotel, or a hospital, and a panel heater is used to heat a sunny front desk, a waiting room, or the like. Also, if countermeasures against icing on the approach road are necessary, it is possible to prevent icing by installing a panel heater on the road surface.

Transportation facilities Solar cells are installed on a sunny place such as a home roof, and a station (railway, bus, etc.), a waiting room, a ticket gate box, a home waiting room, etc. are heated by a panel heater.
Also, if countermeasures against icing on the approach road are necessary, it is possible to prevent icing by installing a panel heater on the road surface.

Sports stadium A sunny stadium roof, with solar cells on the outer wall,
Panel heaters are used to heat the unsightly seats for the audience and the waiting room for athletes. Also, if countermeasures against icing on the approach road are necessary, it is possible to prevent icing by installing a panel heater on the road surface.

A solar roof is provided on a sunny roof such as a nursing home facility / public hall, and solar cells are provided on the outer wall surface, and a room or a corridor having poor sunlight is heated by a panel heater. Also, if countermeasures against icing on the approach road are necessary, it is possible to prevent icing by installing a panel heater on the road surface.

[0036]

As described above, according to the present invention, the DC power obtained by the solar cell is directly transmitted to the panel heater through the electric wiring to perform the panel heating by the DC current.
The following effects are obtained.

(1) The heat collectors, pipes, pumps, pipes for these, heat storage tanks, electricity / control equipment, freeze prevention equipment, and boiling pressure relief equipment required for the conventional heating system using solar hot water are not required, and they are heated. It eliminates the need for heat collectors, ducts, blowers, etc. in the method of transporting air and heating.
Panel heating can be achieved with simple and inexpensive equipment consisting only of solar cells, electrical wiring and panel heaters, and construction and maintenance costs can be greatly reduced.

(2) In addition, since the panel heater is directly operated by the DC power obtained by the solar cell, even if compared with the conventional solar cell system, the direct / alternating inverter facility,
It is possible to eliminate auxiliary equipment such as storage battery equipment, and it is possible to perform panel heating with a simple and inexpensive solar cell system.

(3) A commercial power source can be connected, and panel heating can be easily continued when no solar radiation is obtained.

[Brief description of drawings]

FIG. 1 is a schematic diagram showing a basic system example of a panel heating device using a solar cell according to the present invention.

FIG. 2 is a sectional view showing a structural example of a normal type panel heater according to the present invention.

FIG. 3 is a cross-sectional view showing a structural example of a waterproof panel heater according to the present invention.

FIG. 4 is a schematic diagram showing an example of an application system of a panel heating device using a solar cell according to the present invention, which is used in combination with commercial power.

[Explanation of symbols]

1 ... Solar cell, 2 ... Electrical wiring, 3 ... Panel heater, 3
A ... Normal type panel heater, 3B ... Waterproof type panel heater, 4 ... Night power storage heat storage tank, 5 ... Reheat type bath, 10 ...
Surface material, 11 ... Conductive heating element, 12 ... Surface material support structure,
13 ... Air layer, 14 ... Interior material, 15 ... Metal plate, 20 ... Metal cover, 21 ... Water-resistant heat-resistant seal rubber 22 ... Waterproof cord, 30 ... AC power supply, 31 ... Backflow preventer, 32 ... Electrical wiring, 33 ... Solar cell output voltage detector, 34 ... Panel heater surface temperature sensor.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Takao Yoshida 2-19-1, Tobita-cho, Chofu-shi, Tokyo Kashima Construction Co., Ltd. Technical Research Institute (72) Inventor Hiroo Izumiyama 2-1-1-1, Tobita, Chofu-shi, Tokyo (72) Inventor Takeshi Noguchi 187-1327 Kaizuka-cho, Wakaba-ku, Chiba, Chiba Prefecture (72) Inventor Yoshiyuki Natsuta 1157, Okazu-cho, Izumi-ku, Yokohama-shi, Kanagawa (72) Nao Sugaya 30 Aka Castle Town, Shinjuku-ku, Tokyo

Claims (4)

[Claims] 1. A solar cell installed in a place where solar radiation can be obtained, and a panel heater incorporating a direct current heater installed in a place where heating is required. Electric power is supplied from the solar cell. A panel heating device using a solar cell, which is characterized in that power is directly transmitted to a panel heater via wiring. 2. The panel heating device according to claim 1, wherein the panel heater is configured by additionally providing a heating element to which electric wiring is connected, on the back surface of the surface material. Battery panel heating device. 3. The panel heating device according to claim 1, wherein the panel heater is configured by covering a heating element to which electric wiring is connected with a cover and sealing an electric wiring connection port of the cover. A panel heating device that features solar cells. 4. A panel heating device using a solar cell according to claim 1, 2, or 3,
A panel heating device using a solar cell, in which a commercial power source is connected to the electrical wiring from the solar cell to the panel heater.