CN102798226A

CN102798226A - Flat-box type solar water heater

Info

Publication number: CN102798226A
Application number: CN2012102088253A
Authority: CN
Inventors: 李先强
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-06-11
Filing date: 2012-06-11
Publication date: 2012-11-28

Abstract

The invention discloses a flat-box type water heater employing solar energy. The flat-box type water heater is a physical device, wherein a metal plate, generally a stainless steel plate, which facilitates heat transfer and is resistant to impact, serves as a light receiving surface; the light receiving surface is polished to be uniformly rough and blackened to prevent plane reflection, so the light receiving surface can efficiently absorb sunlight; the metal plate and a flat plastic basin form a rectangular water container; a plurality of partition walls are arranged in a flat box; and opposite openings are reserved at the tail ends of the adjacent partition walls, so water which enters the flat box flows in the flat box in a curved mode, is contacted with each position on the lower surface of the metal plate, absorbs heat which is transferred by the metal plate, and then flows out of the flat box after temperature rises.

Description

Flat casing solar water heater

Technical field

The invention belongs to technical field of solar energy utilization.

Background technology

At present, people see and the solar water heater that on market, occurs all is a glass tube combined type arranged side by side, though this solar water heater adopts the inner dress of big glass Lower Half optically focused water cuvette to make water temperature can reach higher temperature; But a large amount of sunrays has but been reflected on big glass tube first half surface; Therefore its conversion of solar energy rate is not high, makes the water temperature heating slowly, is not suitable for a large amount of demands of producing hot water fast such as enterprise, factory; Also having shortcoming is hard transportation; Price is too high, and common people cannot afford, and can not popularize.

Summary of the invention

Not high in order to overcome existing glass tubular type solar water heater conversion of solar energy; Price is too high a series of shortcomings such as can not popularize; The present invention provides a kind of physical unit---the plat box type solar water heater; It is simple in structure, impact resistance, be easy to that transportation is installed, the conversion of solar energy rate is high, cheap, is fit to common people family and uses, and is more suitable for a large amount of demands of producing hot water fast such as factory, enterprise, school, hospital.

The technical scheme that technical solution problem of the present invention is adopted is: adopt the metallic plate (generally adopting corrosion resistant plate) that is easy to heat transmission, impact resistance as sensitive surface; Metallic plate sensitive surface polishing is coarse evenly and spray into black; Make it not produce plane reflection; Make it absorb sunlight efficiently, metal derby and flat plastic tub constitute the flat case water receptacle of cuboid that there is opening at two, also have many next doors in the flat case; Adjacent next door end leaves the opening of anti position, make the water that gets into flat case in flat case, does crooked flow and the heat of each position absorbing contacting metallic plate transmission of metallic plate lower surface after the rising temperature flow go out casing.

Apparatus of the present invention adopt coarse plane directly to receive sunshine; It does not have light-focusing function, and the hot water temperature who therefore produces is less than or equal to the temperature that sunray arrives receiving plane, but such temperature has been very high; Sometimes can reach 60 ℃, can satisfy people's demand fully.

The hot water that flows out from flat casing can directly use or to flow into insulation retaining cabinet through the insulation carrier pipe subsequent use.Conveying technology after flowing out for hot water belongs to other invention technology with the subsequent use technology of insulation, and the present invention only explains and how efficiently utilize solar energy to improve water temperature, because what come out from casing is the hot water that scalds one's hand, has accomplished the task of water heater.

Because consider transportation and carrying, installation question; Can be fit to a people and can remove like a cork so apparatus of the present invention should design and produce into length and the weight of a flat casing: generally be designed to 15 kilograms of weight, 1.5 meters of length, wide 0.4 meter; High 0.1 meter, also can change on request.

Apparatus of the present invention should be placed on sun-drenched place when using, and can keep flat, tiltedly put, uprightly put, and generally are placed on the roof; Also can uprightly be fixed on the sun-drenched wall; There is not the family on roof can be before the room on behind the house the vacant lot, because its structure and material is more firm, so appoint child adult that rents to jump not only but also run in the above with its pendulum; Even buffalo, big pig step on that it is also not bad, can also shine dried radish in the above.

Some enterprise, factory, hospital, school; Needs such as prepared food plant are produced hot water in a large number apace; Apparatus of the present invention are fit to requirement just; Applying unit can be with a plurality of flat casings formation combination of water heater that is together in series, and also can be connected in parallel and installs the faster greater amount of the bigger combined type water heater of formation ground and produce hot water organize the flat casing that is together in series more.

Because China is located in the temperate zone, so being fit to most of areas, apparatus of the present invention use, shortcoming is that use in the area that is not suitable for extremely cold condition.

During the beneficial effect of apparatus of the present invention: convenient transportation, install simple, the solar energy conversion ratio is high, hot water is quick, cheap, can popularize.

Description of drawings

Fig. 1 is the flat casing plastic tub front elevation of of apparatus of the present invention.

Fig. 2 be apparatus of the present invention receive light metal derby front elevation.

Fig. 3 is the side cut away view of a flat case water heater of apparatus of the present invention.

Fig. 4 is that a plurality of flat casing of apparatus of the present invention is serially connected in and is combined into the water heater front elevation.

Fig. 5 is the combined large water heater front elevation that is connected in parallel again after a plurality of flat casing series connection of apparatus of the present invention.

Among the figure, 1. the interface tube of band sieve 2. is with the black Qushui River of sieve silk mouth to manage, and 3. sprays at the bottom of the plastic tub of silvery reflection layer, 4. the screw hole; 5. plastics tub wall, 6. flowing water opening, 7 plastics next doors, 8. metal plate, the 9. coarse uniform black sensitive surface of metallic plate; 10. flat head screw is followed closely, 11. insulated foam coatings, 12. conduit switch, 13. oral siphons, 14. water outlet insulating tubes; 15. the bifurcated tube connector, 16. big pipe switches, 17. big oral siphons, 18. big water outlet insulating tubes.

The specific embodiment

Among Fig. 1, whole flat casing plastic tub seals upper opening.All there is the black Qushui River pipe (2) of screw-socket at the oblique angle, two of plastic tub cuboid, and water all is the same from which entering, and Qushui River pipe is gone up the interface tube (1) that also has a band screw, is used for being connected with other flat casing.On plastics tub wall (5) and the intermediate bulkheads (7) screw hole (4) is arranged all, be used for installation and receive light metallic plate (8).The effect of plastic tub intermediate bulkheads (7) and flowing water opening (6) is to make the water that gets in the flat casing do crooked flowing, and the heated time and the change that increase water receive thermal site.

Among Fig. 2; The front face area of a metal plate (8) and the front face area of plastic tub are the same with shape; Screw hole (4) is also arranged above, and screw hole site quantity is the same with screw hole site on the plastic tub with quantity, it can be installed on the plastic tub securely.

Among Fig. 3, flat casing plastic tub with receive light metallic plate (8) to use screw (10) to tighten to install, the Qushui River pipe (2) at two has also installed.(3) can stop the hot water that reduces in the flat case to dispel the heat with radiation mode downwards at the bottom of scribbling the plastic tub of mercury reflector layer.Facial also installation is stained with and has been closed an insulated foam coating (11) that grade is big at the end of plastic tub (3); It has the effect that heat transmits that hinders downwards; All around can be without thermal insulation layer, flat casing water heater is done neatly with identical in addition flat casing water heater, arrangement closely is connected in order to avoid hinder.Can see from the side: the upper surface of metal derby be coarse uniformly and sprayed into black; Increased the light-receiving area of primary plane so in fact and it can not be flashed back the sunlight, made it absorb the sunlight heating fully as far as possible and also flow out flat casing through contacting hot in nature passing to after the water that gets in the flat case makes water rising temperature at once.In fact, Fig. 3 has been a complete single flat casing solar water heater, if its length is 1.5 meters; Wide 0.4 meter, high 0.1 meter, its hot water production amount of half a day in sun-drenched weather is can be for family's the washing the dishes of five mouthfuls of one day one nights of people so; Wash clothes the use of having a bath.

Can also find from Fig. 3: plastics next door (7) not only have the effect of current in the crooked flat case the figure, and the effect of fixed support metallic plate (8) is arranged, and make whole flat casing can bear bigger bump.

Among Fig. 4, a plurality of flat casing water heaters use Qushui River pipe (2) and interface tube (1) fitly to be connected in series side by side, constitute a big water heater of combined type, and it can produce the hot water of approaching or identical earth surface sunlight line temperature apace.Combined type water heater two all is equipped with when taps (12) makes it can control discharge and dismounting and is cut off the water supply.Combination of water heater left side hot water outlet also is connected to insulating tube (14), and purpose is that hot water reduces dissipated heat when carrying at a distance.

Among Fig. 5; Be in parallel installed with to couple together by two bifurcated tube connectors (15) again after two groups of a plurality of flat casing water heaters are connected in series and constitute bigger combined type water heater, also corresponding greatly big flood switch (16) and big oral siphon (17) and the big water outlet insulating tube (18) of adding of the switch at water heater two and water pipe.The flat casing water heater that can also install greater number with method parallelly connected again after this series connection additional constitutes bigger water heater field, and greater amount ground produces hot water more fast.The aggregate erection mode of this most amounts is fit to units such as hospital, school, power plant, prepared food plant to be used, with a large amount of saving coal electricity and production cost.

Claims

1. flat casing water heater that utilizes solar energy; It is to adopt the metallic plate (generally adopting corrosion resistant plate) that is easy to heat transmission, impact resistance as sensitive surface; Sensitive surface be polished into coarse evenly and spray into black and make it not produce plane reflection; Make it can absorb sunlight efficiently, metallic plate and feed basin constitute the cuboid water receptacle that there is opening at a two, also have many next doors in the flat casing; Adjacent next door end leaves the opening of anti position, make the water that gets in the flat case in flat case, does crooked flow and the heat of each position absorbing contacting metallic plate transmission of metallic plate lower surface after the rising temperature flow out the physical unit of flat casing.

2. according to the said flat casing solar water heater of claim 1, it is characterized in that: its sensitive surface be coarse evenly and sprayed into the metallic plate of black.

3. the flat casing water heater of solar energy according to claim 1 is characterized in that: many next doors are arranged in the flat casing, and adjacent next door end leaves the opening of an anti position, makes the water that gets in the flat case do crooked flowing.