CN203068819U

CN203068819U - Wall-mounted corrugated coil pipe solar water heating device

Info

Publication number: CN203068819U
Application number: CN2012202216562U
Authority: CN
Inventors: 王健
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-05-17
Filing date: 2012-05-17
Publication date: 2013-07-17
Anticipated expiration: 2022-05-17

Abstract

The utility model discloses a wall-mounted corrugated coil pipe solar water heating device, and provides a method with which a solar water heating device can be installed in a small space such as a balcony or the outer wall of a building. Besides, no water in a vacuum tube directly contacts with a glass tube wall, and the wall-mounted corrugated coil pipe solar water heating device guarantees that after the vacuum pipe made of glass fractures, water can not flow out of the vacuum tube. Meanwhile, thermal media stored in a water tank are not directly used, heat exchanging is performed through a coil pipe heat exchanger made of metal corrugated pipes, the mode that water is heated immediately when the water is used is adopted, and heat utilization is achieved.

Description

A kind of wall-hanging corrugated pipe coil apparatus for heating water by solar energy

Technical field

The utility model relates to a kind of apparatus for heating water by solar energy, more particularly says, refers to horizontal solar energy heating, accumulation of heat, the heat conduction of placing of a kind of vacuum tube, uses thermic devices.

Background technology

Common solar water heater, be that attemperater is last, solar vacuum heat-collecting pipe (hereinafter to be referred as vacuum tube) inserts attemperater inside from the water tank bottom, at this moment, water in the vacuum tube and the water of water tank are UNICOMs, vacuum tube absorbs and changes the energy of the sun, and the water in heating, vacuum pipe and the attemperater heats up water.

The installation of this solar water heater is subjected to the restriction in place, can only install on the level land, and is slotting because vacuum tube must erect, and place that be bigger and space could be installed.And, all be water in the vacuum tube, vacuum tube is again that glass is done, in case break, water just flows out, and causes potential safety hazard.

Summary of the invention

The purpose of this utility model is exactly in order to address the above problem, and providing a kind of can such as on balcony installing, perhaps can install at the exterior wall of building in the method for the solar water heater of smaller space mounting.And, there is not water directly to contact with glass tube walls in the vacuum tube, guarantee not have after vacuum tube that glass is done breaks water to flow out.Simultaneously, the water of storing in the water tank (heat-storage medium) does not directly use, but carries out heat exchange with the coil heat exchanger that bellows is made, and the i.e. mode of usefulness of instant heating realizes heat utilization when adopting water.

In order to realize above-mentioned purpose, the utility model is taked following method:

Attemperater is made cuboid, is vertically placed as shown in Figure 1, and vacuum tube is in the one side, and is laterally inserted, arranges the back and forms a plane.

Attemperater is the heat storage box used of heat accumulation just, inner sleeve 3 and the outer sleeve 2 of end cap are made up and down by all having, its cross section is rectangle or square, vertically lays, on a perpendicular of water tank, open an emptying, each sky can insert a metal heat pipe 5, and heat pipe 5 one ends are shut, and are water-tight, the other end is opening, directly is inserted into inner sleeve 3 the insides by connector 6.Be with vacuum tube 1 in heat pipe 5 outsides, the end that heat pipe 5 is shut just injects the bottom of vacuum tube 1, and vacuum tube 1 entangles the metal heat-conducting pipe, and the end of its openend just is inserted between the outer sleeve 2 and inner sleeve 3 of attemperater.

Two-layer centre at outer sleeve 2 and inner sleeve 3 has been full of filler 20, and filler 20 is a kind of insulation materials, and its effect is to guarantee that the heat of storage in the inner sleeve 3 outwards scatters and disappears as few as possible.

In addition, in the inside of inner sleeve 3, settle a bellows dish 7, its effect is a heat exchanger, and corrugated pipe coil 7 one ends are water inlets 81, and the other end is delivery port 82.Water inlet 81 and delivery port 82 pass inner sleeve 3 by seal 7b.

In inner sleeve 3, be full of heat-storage medium 30, same, in the heat pipe 5 that is communicated with inner sleeve 3, also be full of identical heat-storage medium 53.Heat-

storage medium

30 and 53 is a kind of liquid, and its effect is that storage is by the heat of the sunshine of vacuum tube 1 absorption.

In order to adapt to the variation of solar light irradiation angle throughout the year, vacuum tube 1 is arranged the plane that the back forms, with horizontal plane shape at an angle, can guarantee like this under the as far as possible little prerequisite of the tube pitch of vacuum tube 1, from the heat absorbing coating (being vacuum tube inwall 11) of last the vacuum tube of the sun close to more, do not block the heat absorbing coating of back one arm.

The advantage of the utility model vacuum heat collection pipe is:

1. vacuum tube 1 horizontal after, can save the occupation of land space that solar water heater is installed significantly, like this, can on balcony install, also can install on the wall, not only be confined to ground.

2. designed the heat pipe 5 that metal is made in the vacuum tube, make and not have water the glass tube inwall 11 of the vacuum tube 1 that (or other heat conduction, heat-storage medium) directly made with glass to contact, heat-

storage medium

30,53 flows between attemperater and metal tube, even vacuum tube breaks, can not flow out yet, guaranteed the security of whole system, this point is extremely important to the balcony wall-hanging solar water heater that is contained in the high-altitude.

In the utility model, vacuum heat collection pipe 1, heat pipe 5 and location thermal resistance plug 4 constitute the thermal-arrest heat-conductive assembly, this thermal-arrest heat-conductive assembly can be installed separately, dismantle by connector 6, wherein vacuum heat collection pipe 1 also can singly prop up loading and unloading with heat pipe 5, after having solved in the conventional solar water heater single vacuum heat collection pipe breakage, the solar water heater paralysis that causes, the defective of cisco unity malfunction

3. in attemperater, designed the bellows coil heat exchanger, that is: corrugated pipe coil 7, utilize the good heat exchange of bellows, and the heat that heat-storage medium 30 is stored is changed to the inside of corrugated pipe coil 7 fast, like this, can guarantee immediately, utilize efficiently the heat of inner sleeve 3 storages.

4. Rapid Thermal conduction: can reach the high temperature more than 300 ℃ during owing to vacuum heat collection pipe 1 vexed the solarization, utilize an end sealing, and internal diameter is the thinner pipe (internal diameter 5～30mm) of heat pipe 5 relatively, accelerated the speed of water 53 convection current in the heat pipe 5, improved transmission heat speed, make heat transmit fast, reach thermal balance;

5. reduce heat waste: because second chamber 52 between heat pipe 5 and vacuum heat collection pipe 1 inwall greatly reduces the heat leak that causes inadequately owing to vacuum heat collection pipe 1 vacuum for air (not having heat-conducting medium);

6. improve available heat: though the water in the conventional vacuum heat collection pipe is the part that heats at first, can not with and can only be deposited in the vacuum tube, cause the loss of heat, by the improvement to heat-conducting mode, available heat improves greatly;

7. realize the vacuum heat collection pipe solid matter: utilize vacuum heat collection pipe outer wall location defect owing to overcome, use the collector tube inner wall location instead, make the mounting distance (ligament) between the hot assembly of adjacent two support thermal conductances shorten to 1～10mm.This is because cross-sectional diameter and the area of thermal conduction path dwindle greatly, thereby realizes the vacuum heat collection pipe solid matter, has improved the photo-thermal conversion ratio of unit are;

Description of drawings

Fig. 1 is external structure of the present utility model.

Figure 1A is another visual angle external structure of the present utility model.

Figure 1B is the A-A partial view of Fig. 1.

Fig. 2 is the external structure of thermal-arrest heat-conductive assembly of the present utility model.

Fig. 2 A is the axial section that waits of Fig. 2.

1. vacuum heat collection pipe 11. vacuum tube inwalls

2. outer sleeve 2a.A through hole 2b. steam vent 2c. installs hanging hole

20. filler

21. loam cake 22. lower covers

3. inner sleeve 30. heat-storage mediums

4. locate the thermal resistance plug

5. 52. second chambeies, heat pipe 51. first chambeies, 53. heat-storage mediums

6. connector

7. corrugated pipe coil 7a. conducting connecting leg 7b. seal

81. water inlet 82. delivery ports

The specific embodiment

Below in conjunction with accompanying drawing the utility model is described in further detail.

Shown in Fig. 1, Figure 1A, the utility model be a kind of be applicable in less place install, vacuum tube is horizontal and vacuum tube in do not have water (or other liquid) directly to contact, utilize the solar water heater of the instant heat exchange of corrugated pipe coil with tube wall.Include the heat storage box of being formed by outer sleeve 2 and inner sleeve 3.Inner sleeve 3 and outer sleeve 2 have end cap up and down, as shown in Figure 1, and the upper end cover 21 of outer sleeve 2, bottom end cover 22.In outer sleeve 2 one sides, fitly arrange the some groups of thermal-arrest heat-conductive assemblies that are made of vacuum heat collection pipe 1, heat pipe 5 and location thermal resistance plug 4 have been installed, these thermal-arrest heat-conductive assemblies are connected on the inner sleeve 3 by connector 6, in the inside and heat pipe 5 of inner sleeve 3, be full of heat-storage medium 30.The filler 20 that has been full of insulation usefulness between outer sleeve 2 and the inner sleeve 3 is realized insulation.On outer sleeve 2, be provided with hanging hole 2c is installed, be convenient to install.On inner sleeve 3 and outer sleeve 2, offered steam vent 2b, when heat-storage medium 30 expanded by heating in the inner sleeve 3, outwards exhaust.

Shown in Fig. 2 A, second chamber 52 is arranged between the inwall 11 of the outer wall of heat pipe 5 and vacuum heat collection pipe 1, be air in second chamber 52, convection current with air conducts heat to heat pipe 5, thereby make first chamber, the 51 interior heat-storage mediums 53 at heat pipe 5 centers obtain heating, the convection current of this heat-storage medium 53 is brought heat in the inner sleeve 3 into, realizes the heating to the heat-storage medium 30 in the inner sleeve 3.The mode of heating of this kind heat-storage medium (comprising water) is different with the heat transfer type of traditional direct insertion solar water heater of vacuum tube, has improved heat transfer speed effectively, has reduced heat loss, can make available that heat has improved 15～35%.

In the utility model, be filled with filler 20 between outer sleeve 2 and the inner sleeve 3, filler 20 can be materials such as polyurathamc insulation material, expanded polystyrene foam insulation, glass fiber face, rock wool, and its effect is to guarantee that the heat of storage in the inner sleeve 3 outwards scatters and disappears as few as possible.In the utility model, location thermal resistance plug 4 adopts materials such as rubber, silica gel or cork.

Referring to shown in Figure 2, in the utility model, vacuum heat collection pipe 1, heat pipe 5 and location thermal resistance plug 4 constitute the hot assembly of support thermal conductances, and this thermal-arrest heat-conductive assembly is tightly connected by connector 6 and inner sleeve 3, can realize that the thermal-arrest heat-conductive assembly installs separately, dismantles; Wherein vacuum heat collection pipe 1 also can singly prop up loading and unloading with heat pipe 5, has solved in the conventional solar water heater defective of the solar energy cisco unity malfunction that causes after single the thermal-collecting tube breakage.Simultaneously, install, disassembling section is simple, convenient.The low defective of photo-thermal unit are conversion ratio that causes in order to solve vacuum tube arrangement slit can adopt the hot assembly of many support thermal conductance to be closely packed on the inner sleeve 3.Assemblage gap between the hot assembly of every support thermal conductance is 1～15mm only, adopts solid matter of the present utility model that the thermal-arrest heat-conductive assembly is installed, and can make photo-thermal area conversion ratio improve 10～35%.Conventional way is for example with vacuum tube diameter 58mm, long 1800mm, tube hub spacing 80mm, the water heater of two ligament 22mm assembling, with the same diameter 58mm in improvement back, long 1800mm, but the tube hub spacing is 60mm, the water heater of two ligaments (assemblage gap) 2mm assembling is compared, and adopts solid matter mode photo-thermal area conversion ratio can improve 33%.

In the utility model, vacuum heat collection pipe 1 is selected double-deck complete glass vacuum sun thermal-collecting tube material common on the market for use.The internal diameter of vacuum heat collection pipe 1 is 30～70mm.

In the utility model, heat-storage medium 30 in the heat pipe 5 significantly reduces than the water in the former vacuum heat collection pipe, with diameter 58mm, the vacuum heat collection pipe of long 1800mm is example, former list props up vacuum heat collection pipe, and to hold water be 3L, and if adopt internal diameter 15mm, the tubing of long 1900mm is done heat pipe, its water capacity only is 0.33L, only is 11% of original structure.Though and conventional vacuum heat collection pipe in water be the part that heats at first, can not with and can only be deposited in the vacuum tube, cause the loss of heat.The employing air is heat-conducting medium, and heat pipe 5 will be heated soon, thereby realizes water and the rapid convection current of the water in the water tank in the heat pipe, realizes heat exchange, reaches thermal balance, and reduces heat waste significantly.This kind makes available that heat is greatly enhanced to the improvement of mode of heating.

Be air in second chamber 52 that the utility model heat pipe 5 and vacuum heat collection pipe 1 form, add liquid heat-conducting medium.The service life that single Zhi Duli installation and removal of thermal-arrest heat-conductive assembly have improved solar energy hot water tank.

In order to adapt to the variation of solar light irradiation angle throughout the year, vacuum tube 1 is arranged the plane that the back forms, with horizontal plane shape at an angle, can guarantee like this under the as far as possible little prerequisite of the tube pitch of vacuum tube 1, from the heat absorbing coating (being vacuum tube inwall 11) of last the vacuum tube of the sun close to more, do not block the heat absorbing coating of back one arm.In the utility model, this angle initialization is 30 °-80 °, and this angle is applicable to most of area, the whole world.

In the inside of inner sleeve 3, settle a bellows dish 7, its effect is a heat exchanger, and corrugated pipe coil 7 one ends are water inlets 81, and the other end is delivery port 82.Water inlet 81 and delivery port 82 pass inner sleeve 3 by seal 7b.On the heat transfer efficiency problem in actual applications, corrugated tube heat exchanger has very big advantage than straight pipe heat exchanger, because, the surface area of bellows is 3-4 times of straight tube even follows many, that is to say: the coil heat exchanger made from bellows and straight tube, under the identical condition of the number of turns of internal diameter, external diameter, dish row, the heat exchange area of bellows is 3-4 times of straight tube.

After using the corrugated pipe coil heat exchanger, another clear superiority of technical solutions of the utility model is: heat accumulation and separate with heat.Heat-storage medium 30, the 53rd, the liquid that uses repeatedly, its major function is the heat of storage solar energy, also possesses simultaneously the effect of heat conduction, that is: the heat of the sunshine of vacuum tube 1 conversion, by the heat-storage medium 53 in heat pipe 5 and the heat pipe 5, be transmitted to 30 li of heat-storage mediums in the inner sleeve 3, and store.Heat-storage medium 30 is not participated in directly with heat.When the user need use heat, that is: when needing to use hot water, cold water flows into through water inlet 81, and process corrugated pipe coil 7 carries out heat exchange with heat-storage medium 30, flow out by delivery port 82 then, and be exactly hot water.So just realized accumulation of heat and with thermal release, instant heating namely use, the purpose of effective heat.

Claims

1. the apparatus for heating water by solar energy of a wall-hanging corrugated pipe coil heat exchange, it is characterized in that: by inner sleeve (3), filler (20) and outer sleeve (2) are made a heat storage box, the one side is equipped with several by vacuum heat collection pipe (1), the thermal-arrest heat-conductive assembly that heat pipe (5) and location thermal resistance plug (4) constitute, be connected with inner sleeve (3) by connector (6), first heat-storage medium (30) and second heat-storage medium (53) have been full of the internal cavities of inner sleeve (3) and heat pipe (5) formation, in inner sleeve (3), be provided with the corrugated pipe coil (7) that has water inlet (81) and delivery port (82).

2. the apparatus for heating water by solar energy of a kind of wall-hanging corrugated pipe coil heat exchange according to claim 1, it is characterized in that: corrugated pipe coil (7) is made with metal material, and these metal materials are copper, stainless steel, aluminium, nickel.

3. the apparatus for heating water by solar energy of a kind of wall-hanging corrugated pipe coil heat exchange according to claim 1, it is characterized in that: several thermal-arrest heat-conductive assemblies by vacuum heat collection pipe (1), heat pipe (5) and location thermal resistance plug (4) formation that are installed on outer sleeve (2) and the inner sleeve (3) form a plane, this plane and horizontal plane shape in an angle, this angle is between 30 °-80 °.

4. the apparatus for heating water by solar energy of a kind of wall-hanging corrugated pipe coil heat exchange according to claim 1, it is characterized in that: first heat-storage medium (30), second heat-storage medium (53) are with a kind of fluent material.

5. the apparatus for heating water by solar energy of a kind of wall-hanging corrugated pipe coil heat exchange according to claim 4, first heat-storage medium (30), second heat-storage medium (53) are with a kind of fluent material, it is characterized in that: this material is water, ethylene glycol, anti-icing fluid, conduction oil.

6. the apparatus for heating water by solar energy of a kind of wall-hanging corrugated pipe coil heat exchange according to claim 1 is characterized in that filler (20) is a kind of insulation material.