CN2245200Y - Omnibearing focusing solar water heater - Google Patents

Abstract

The utility model belongs to the technical field of solar application. The technology adopts a unique transparent sphere condensing photon as a condensing element to form a high-temperature daylighting group, the condensing photon condenses so that the heating intensity of a heat transfer point is enlarged. The upper semisphere of a spheric water tank is provided with the condense photon, and the water tank integrates water storage, daylighting and heating into a whole; 4 to 6 groups of condensing photon heat collecting devices are combined and formed into omnibearing daylighting. The technology has the advantages of large daylighting areas, high thermal efficiency and beautiful integral appearance, and the aesthetic sense of buildings can be increased. The utility model has wide application zones and strong ability of accommodating season and climatic conditions. One utility model can be used, and multiple utility models can be combined and arranged for use.

Description

The sub-solar water heater of comprehensive optically focused

The utility model belongs to application of solar, the particularly a kind of heat collector of the sub-technology of vitreum optically focused and sub-solar water heater of comprehensive optically focused of spheroid thermal-arrest double as water storage tank of adopting.

In application of solar, employing solar energy heating water body is for people to use more and more to be widely used.At present, in the heat collector of solar water heater, that common technical pattern mainly contains is plate, straight pipe type, corrugation type, flat-tube type, pipe aerofoil profile, vacuum glass cast, focus type, widely used be the pipe aerofoil profile, the vacuum glass cast also comes into the market successively.Flat plate collector is a casing water container, and one side is equipped with glass and directly is subjected to gloss heat, and its lap scribbles black absorption luminous energy and adds heat-insulation layer, and its shortcoming is that daylighting area is little, and heating surface is little.Then be improved to straight pipe type, corrugation type, flat-tube type, strengthened heating surface for overcoming its shortcoming, but its daylighting face still is restricted.The pipe aerofoil profile has overcome above-mentioned shortcoming, has strengthened daylighting face, improved the heat-transfer intensity of unit heating surface, but at the skies or the cloudy day of sunlight deficiency, the hot water temperature still can not satisfy people's needs.It is the vacuum glass cast that above-mentioned several heat collector is sent out morning again then for the solution heat-insulating property, but daylighting face is restricted again.For the heat-transfer intensity development that increases the heat transfer unit are has the reflective focus type of parabola, its shortcoming is the restriction that daylighting face is subjected to parabola reflector size, and must follow the tracks of the sun, sets up plant equipment transmission and power frequently.

The technical solution of the utility model is that subsidiary water tank 1 is equiped with ball-cock assembly 2 and connects running water pipe 3 again, and the lower end connects water inlet pipe 12.The sub-heat collector 4 of optically focused is made up of heat-insulation layer 9, shell 18, optically focused 8, photon support 16, glass cover 17.The upper end delivery port of heat collector connects water storage tank 19, and the lower end water inlet connects circulation pipe 11.Water storage tank 19 is made up of enclosing cover 6, inner cap 7, optically focused 8, heat-insulation layer 9, interior block 14, outer block 15.Enclosing cover 6, inner cap 7, interior block 14, the inspection of outer block 15 usefulness spiral shells connect.Installing sink-float drainpipe 5 in the water storage tank 19, the lower end connects hot water drainpipe 10.

The technical solution of the utility model is adopted the Changke of various heat collector and is obeyed its shortcoming, provides and discloses that a kind of daylighting area is big, unit point of heat transfer temperature height, is not subjected to solar direction influences, the sub-solar water heater of comprehensive optically focused that integrate the water storage tank heat collector, handsome in appearance.Its advantage is that daylighting area can be gathered the luminous energy from all directions greatly, the heat transfer efficiency height, and moulding is U.S. existing, and hardware is few, does not have mechanical transmission.

Accompanying drawing 1 to accompanying drawing 3 is that the structure of the utility model embodiment is installed constitutional diagram, below in conjunction with accompanying drawing the utility model embodiment is further described.

The subsidiary water tank 1 of the utility model embodiment is the appearance water tank of a metal or plastic production, and the volume of casing and physical dimension should be able to satisfy the motion space of ball-cock assembly 2.Ball-cock assembly is installed on the upper end of casing, and water inlet connects running water pipe 3, and ball-cock assembly 2 is existing serial tender.The casing lower end connects water inlet pipe 12, water inlet pipe 12 UNICOM's water storage tanks 19 bottoms, the setting height(from bottom) of bottom half should be higher than or level in the peak level of water storage tank 11, subsidiary water tank is mainly made the usefulness of water storage tank supplementing water.

Photon heat collector 4 and shell 18 usefulness metal or plastic productions, it is fan-shaped to make cambered surface, also can make the plane isosceles trapezoid, and the separate unit water heater is joined 4～6 groups of photon heat collectors.The glass of two printing opacities of sensitive surface installing or the glass cover 17 that lucite makes, glass cover are arranged optically focused 8 down, the spherolite that optically focused is made for flint glass, and optimum grain-diameter is 16 millimeters of Φ.Optically focused 8 is by photon support 16 rests, and the photon support makes less than the circular hole web plate of the sub-diameter of optically focused with metal or heatproof plastics by the layout of optically focused and is coated with black.Form between the inner panel of shell 18 and glass cover 17 and hold the water cavity, cavity two pipe nipples connect with water storage tank 19 and circulation pipe 11 respectively, and cavity must not leak, heat-insulation layer 9 foamed plastic filling.

Operation principle: optically focused is subjected to light in its projected area, light enters vitreum by water body will produce unirefringence optically focused, light enters water body from the glass body again and produces unirefringence again, form higher hot spot on its focus face, thereby local water body is heated rapidly in small size, the water body after the heating floats rapidly when also having little time with the cold water heat exchange, form circulation automatically, renew eventually, the water body in the water storage tank is progressively heated, and temperature constantly raises.Have 66% light to obtain reflecting optically focused in the projected area of condenser ball and form the outer high temperature focus heating of ball water body, have 33% light to form a burnt ring in ball, spheroid is subjected to the burnt heating that encircles, and also obtains heating at the water body of spherome surface.Only having 0.1% light to form scattering on the sphere enters water body and is absorbed.Ball collects outward apart from available following formula calculating: $\frac{1}{f}=(n-n_1)(\frac{1}{{\mathrm{<figure-callout\; id="1"\; label="r"\; filenames="Y9522988100061.png,Y9522988100071.png"\; state="\{\{state\}\}">r</figure-callout>}}_1}+\frac{1}{r_2})$

In the formula:

F---focal length (distance) from the centre of sphere to focus

N---optically denser medium refractive index (glassy phase gets 1.52 to air refraction)

n ₁---optically thinner medium refractive index (water gets 1.33 to air refraction)

r ₁---glass ball convex surface 1 radius of curvature

r ₂---glass ball convex surface 2 radius of curvature

(r in the special case of ball lens ₁=r ₂This routine r ₁=r ₂=8 millis come)

When calculating the vertical range of optically focused spheroid at the bottom of the shell, should make the sub-focal point control of optically focused in water body, and at the bottom of the shell be 2～3 millimeters for good.The mounted angle β of concentrating collector can be calculated as follows:

β＝Φ+δ

In the formula:

β---the sub-heat collector mounted angle of optically focused

Φ---the latitude of heat collector locality is installed

δ---the declination angle of annual each month

Each month, declination angle according to the form below got:

Month	12	1	2	3	4	5	6
								11	10	9	8	7
		δ	-23.5°	-20°	-11.5°	0°							1.5°	20°	28.5°

The utility model is that comprehensive daylighting, mounted angle are not subjected to considerable influence, gets the average of the whole year value as mounted angle after can calculating month by month according to last table value substitution following formula.Adjust heat collector lower end height during installation satisfying the β angle, the sub-heat collector of optically focused 4 is by bracket supports.

Water storage tank 19 is the parts that integrate the water storage thermal-arrest, and enclosing cover 6, inner cap 7, interior block 14, outer block 15 are used Bolt Connection, is equipped with interlayer and seals with rubber cushion.Enclosing cover 6 and inner cap 7 usefulness printing opacity lucite are made, and form cavity between the exterior and interior cover, installing optically focused 8 in the cavity, and cavity thickness is slightly larger than the sub-diameter of optically focused, is evacuated in order to insulation behind the cavity dress ball.Interior block 14 and outer block 15 usefulness metal materials are trembled making.Form heat-insulation layer 9 with the foamed plastic filling in the middle of the two tanks, casing supports with support 13.Installing sink-float drainpipe 5 in the casing, in order to levying discharging upper strata hot water at the accidental Shi Nengbao that cuts off the water supply of running water, sink-float drainpipe 5 is suitable for reading can the lifting with water surface fluctuation, and the lower end connects drainpipe 10, and drainpipe connects watering equipment or uses water spot.

It is big that the sub-water heater of the comprehensive optically focused of the utility model has daylighting area, can gather the luminous energy from any direction more than the horizon, unpowered no tumbler.The daylighting mode adopts unique optically focused to form the light harvesting group, has increased the heating intensity that is subjected to luminous point.Water storage tank not only water storage but also daylighting tool dual-use function, moulded attractive in appearance, can increase the aesthetic feeling of building.But the utility model separate unit independently uses, and also can multi-platform combinedly arrange, uses the bigger subsidiary water tank of a cover jointly.

Claims (2)

1. the sub-solar water heater of comprehensive optically focused, it is characterized in that using printing opacity spheroid optically focused 8 to form high temperature daylighting group as collective optics, formed the sub-heat collector 4 of optically focused by printing opacity spheroid optically focused 8 and photon support 16, heat-insulation layer 9, glass cover 17, shell 18, water storage tank 19 is the spheroid of pair of lamina structure, between the enclosing cover 6 of episphere and inner cap 7, leave arrangement of cavities printing opacity spheroid optically focused 8 is arranged, the cavity formation heat-insulation layer that is evacuated, enclosing cover 6 and inner cap 7 are the printing opacity object, and water storage tank 19 integrates water storage daylighting thermal-arrest.

2. according to the sub-solar water heater of the said comprehensive optically focused of claim 1, it is characterized in that establishing in the water storage tank 19 sink-float drainpipe 5.

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