JPS59215546A - Solar heat collector - Google Patents

Abstract

PURPOSE:To enable to assemble the whole of the titled device without making use of a connecting tool such as a screw, which is superior in mounting workability, by performing fitting and fixing of a top plate and a bottom plate to a frame body by making use of elasticity of synthetic resin. CONSTITUTION:A heat collecting body A having a tubular duct (a) of a thermal medium, within which the thermal medium is circulated so as to absorb solar heat and a frame body B surrounding the whole circumference of the side of the heat collecting body A are formed of heat-proof synthetic resin unitarily. A top plate 5 is pushed in to the frame body B after the frame body B is so prepared that it is widened a little from the upper part, which is fitted in a groove 4 for securing. Then after insertion of a heat insulating material 8 into the frame body B from the lower part of the frame body B, a bottom plate 7 is pushed in to the frame body B after the frame body B is so prepared that it is widened a little from the lower part, which is fitted in a groove 6 for securing, through which the titled solar heat collector is assembled. Under a state wherein a right and left fixing collars 9, 10 of the frame body B of the solar heat collector are fitted in fixing collars of an adjoining solar heat collector respectively each other, the solar heat collectors can be provided successively by securing them with screws by making use of hole 8 of each of the fixing collars.

Description

[Detailed description of the invention] Technical fields> The present invention relates to a flat plate type solar heat collector.

<Prior art> In a conventional flat plate type solar heat collector, a rectangular bottom plate made of an extruded product such as an aluminum alloy and vertical side plates on the four sides of this bottom plate are joined to form a top-open type heat collecting box. A metal heat medium distribution pipe that collects solar heat by distributing a heat medium while inserting a heat insulating material into the heat collection box;
A heat collector consisting of a solar heat absorbing metal heat collecting plate fitted and fixed to this distribution pipe is placed and fixed, and the top opening of the heat collecting box is sealed with a top cover made of a transparent glass plate. there were.

Therefore, the work of assembling this flat solar heat collector is complicated and expensive. Furthermore, solar heat collectors are large and heavy, making them difficult to install on the roofs of houses.

<Objective> In order to eliminate the above-mentioned conventional drawbacks, the present invention aims to provide a small, lightweight, and inexpensive solar heat collector that is easy to assemble and install.

<Embodiments> Hereinafter, embodiments of the present invention will be described with reference to FIGS. 1 to 6. The present solar heat collector has a heat medium tubular passage a through which a heat medium flows so as to absorb solar heat. The body A and a frame B surrounding the entire lateral circumference of the heat collector A are integrally formed of heat-resistant synthetic resin.

The heat-resistant synthetic resin for the heat collector A and the frame B is as follows:
For example, black high-density polyethylene resin, polypropylene 1
The hollow structures of the rectangular heat collector A in plan view and the rectangular annular frame I3 in front view as shown in FIG. 2.3 are formed by known blow processing. The cross section of the heat collector A is flat and has a surface with many irregularities so as to absorb heat well. Furthermore, the heat medium tubular passage a of the heat collector A has a fourth
As shown in the figure, the meandering endothermic rising part a1 occupies most of the part.
, a low-temperature inflow portion a2 continuously formed at the lower end thereof, and a high-temperature outflow portion a3 continuously formed at the two ends.

Further, reference numeral 1 is an artificial pipe made of metal or hard synthetic material (JJ resin) connected to both ends of the low temperature inflow portion a2.

Reference numeral 2 denotes an outlet pipe, which is connected to both ends of the high-temperature outflow portion a3 described in 1iij.Then, these pipes 1.2 are incorporated into the mold when molding the heat collector △ and the frame 13. , Togane N (book, \, frame 1 I3 and -1 + lj, formed. 3゜3a is the joint of heat collector A and frame B, and the heat-stretched cotton of heat collector A is In addition, one joint piece 3 has an air layer inside to provide heat insulation (functionality).

4 is a face plate fitting groove formed on the upper inner surface of frame B;
A hollow multi-layer top plate 5 made of transparent heat-resistant synthetic resin is fitted and fixed to this. Reference numeral 6 denotes a bottom plate fitting groove formed at the lower part of the inner surface of the frame 13, into which a bottom plate 7 made of milky white high density polyethylene resin is fitted and fixed. A heat insulating material 8 made of low-expanded styrene resin is interposed between the bottom plate 7 and the heat collector A, and a pair of upper and lower holes 8 are provided on the left and right outer surfaces of the frame B, which has a hollow rectangular cross section. H1 is provided protrudingly, and the left side handle (=I flange 9 and right side handle F) and the flange 10 are vertically shifted from each other, so that adjacent solar heat collectors S can be attached as shown in Fig. 9. The flanges 9 and 10 are configured to fit into each other. Note that the bottom plate 7 and the heat insulators 4 and 48 may be formed in eleven pieces.

Furthermore, as is clear from FIGS. 1 and 4, the solar heat collector of this embodiment has a point-symmetrical shape with respect to the center of its plan view, so that the solar collector of this embodiment is 180 degrees
It has exactly the same shape as the one that was rotated.

Next, to explain the assembly work of the above solar heat collector, first, frame B of the heat collection box (as shown in Figures 4 to 6), which includes heat collector A, frame B, inlet/outlet pipes], and 2, is assembled. On the other hand, spread it out a little from one side, then push in the two-sided plate 5 and insert it into the groove 4.
Fit and fix. Next, the heat insulating cage 8 is inserted into the frame B from below, the frame B is slightly expanded from below, the bottom plate 7 is pushed in, and it is fitted and fixed in the groove 6. That is, it is assembled using the elasticity of the frame B, the joint pieces 3, 3a, the top plate 5, and the bottom plate 7 made of synthetic resin.

Next, to explain the function of the solar heat collector, one of the pair of left and right inlet pipes 1 is supplied with a low temperature heat medium, the other is plugged, and one of the pair of left and right outlet pipes 2 is supplied with a low temperature heat medium. If the high-temperature heat medium is discharged from the external power source with a stopper, and the high-temperature outflow portion a3 is installed with a higher side, the heat medium heated through the heat collector A will flow as indicated by the arrow in Fig. 4. As shown, the heat absorbed by the heat medium tubular passage a of the heat collector A rises with a monthly flow to the high-temperature outflow part a3, and is discharged from the output pipe 2 to a predetermined heat storage tank. be done.

Note that in the above, an example without a heat exchange cylinder was explained, but
The present invention can also be applied to a type in which the heat medium tubular passage is of a circulation type, and a heat exchange cylinder through which another heat medium flows is passed through the uppermost part.

Also, to explain the installation method, as shown in Fig. 9, ] 0, the mounting collars 9. ]0 is fitted with the mounting collar of the adjacent solar heat collector S, and fix each collar (=) to the frame using its hole 8 and screw E.Such a method Accordingly, as shown in Fig. 7, multiple solar heat collectors S are connected to supply pipes F as necessary.
1. Discharge pipe F2, piping unit) G,) I can be connected and installed. That is, two Yoshiko solar heat collectors S are arranged in parallel as shown in (a) of the same figure, two solar heat collectors S are arranged in parallel as shown in (b) and (c) of the same figure, and two solar heat collectors S are arranged in parallel as shown in (d) of the same figure. Four solar heat collectors S are arranged in parallel as shown in the figure (e), six solar heat collectors S are arranged in parallel as shown in the figure (f) and (g).
solar heat collectors S in two rows and three parallels, six solar heat collectors S in parallel as shown in (h) and (i) in the same figure, and solar heat collectors S in six parallels as shown in (j) in the same figure.
in parallel, two solar heat collectors S in parallel as shown in the same figure (k), nine solar heat collectors S in parallel as shown in the same figure (1o), the same figure (1]). The solar heat collectors S are installed in three lines and three in parallel as shown in the figure. In addition, in these installation examples, the heat medium flow path in the solar heat collector S is formed in series from the inlet pipe 1 to the outlet pipe 2, so three or more heat collectors S are piped in series. It is avoided from the point of view of driftwood resistance.

Here, the piping units (G, H) can be roughly divided into two types: 1-, 1, which has a pipe line 11 in the vertical direction, and G, which does not have this pipe line 11. and Figure 8(a), Section 9.1
As shown in Figure 0, this first piping unit (G) consists of a U-shaped synthetic resin substrate 11, a T-shaped tube 12 housed inside the lower part of the substrate 11, and a three-way switch placed at the intersection thereof. 13
, a female cap 14 and a female cap] 5 formed at the end of the tube 12, and an additional hole 16 provided in the base plate 11. The second piping unit) H is the U-shaped cross-sectional substrate 11 as shown in FIG.
It is composed of a cruciform tube 17 housed therein, a female cap 14 and a female cap 15 formed at the ends of this tube 17, and a stopper 18 at the bottom.

Note that the first piping unit (G1) may be constructed using an opening/closing cock 19 as shown in FIG. 8(c). Also, Figure 8 (d
), (e), the first piping unit may be constructed of two types: G2, which uses a straight pipe 20 in the lower part, and G3, which uses T-shaped pipes 12 in the upper and lower parts. And the ninth
, 10 When combining multiple solar heat collectors S as shown in Figure 10, a piping unit) G, l-1 is interposed between each solar heat collector, and in the case of the first piping unit l-G, this is not necessary. ShiE
Either tighten the flanges 9 and 10 together to the frame, or the second piping unit I cannot be tightened to the frame by one inch. Then, the female cap 14 of the piping unit is used to connect the solar collector to and from the pipe 1.
, 2 and the female cap 15 to connect. The unconnected inlet/outlet pipe 1.2, the female cap 14, and the female cap 15 are sealed with a plug body 18 and a separate plug body 18. In this way, piping unit G.

The use of I makes it easy to install and gives a very beautiful appearance. In addition, solar heat collectors are often installed in conspicuous places such as roofs, and it is very unsightly when the piping between the solar heat collectors is concentrated in a disorderly manner.

In the above, an example using a piping unit has been described, but as shown in FIGS.
It is also possible to connect using 2lb, 21c, 21d, and 21e to achieve a significant cost reduction. and,
In this connection, the female cap 14 is press-fitted into the female cap 15 and the inlet/outlet pipes 1, 2 to connect, as in the case of "-". The unconnected inlet/outlet pipes 1, 2, female caps 14, and female caps 15 are sealed with a stopper 18 and a single separate stopper 18. Note that if a flexible pipe is used as the joint pipe, the joint pipes 21c and 21d are the same, and the joint pipes 21a, 2lb, and 21e differ only in length.

Effects> As is clear from the above description, the solar heat collector of the present invention includes a heat collecting water having a heat medium tubular passage through which the heat medium flows so as to absorb solar heat, and a heat collecting water that covers the entire lateral circumference of the heat collecting water. A surrounding frame body is integrally formed of heat-resistant synthetic resin, and a face plate is fitted and fixed to a top plate fitting groove formed in the upper part of the frame, made of heat-resistant synthetic resin. A synthetic resin bottom plate is fitted and fixed into a bottom plate fitting groove formed in the lower part of the body.

Therefore, according to the present invention, there is no need to assemble the heat collecting water and the frame, and since the fitting and fixing of the top plate and the bottom plate to the frame uses elasticity made of synthetic resin, screws, etc. The entire system can be assembled without using fasteners, is small, lightweight, and inexpensive, and multiple solar collectors can be lined up and combined using piping units or joint piping, making installation work easier. It has the effect of being extremely slender.

[Brief explanation of the drawing]

The drawing shows an embodiment of the solar heat collector of the present invention.
The figure is a partially cutaway perspective view of the whole, Figure 2 is a sectional view taken along the line ■-■ in Figure 1, Figure 3 is a sectional view taken along the line ■-■ in Figure 1, and Figure 4 is a sectional view taken along the line ■-■ in Figure 1. A plan view of the heat collection box part, Fig. 5 is a sectional view taken along the line ■-■ in Fig. 4, and Fig. ff16 is a cross-sectional view taken along the line ■-■ in Fig. 4.
7(a) to (I]) are schematic plan views for explaining the installation method, FIGS. 8(a) to (e) are plan views of the piping unit, and FIG. 9(a) , (b) is a plan view for explaining the installation method using the piping unit, and Fig. 10 is Fig. 9 (1))
11 is a plan view for explaining the installation method using vertical piping, and FIG. 12 is a cross-sectional view taken along line X-X of FIG.
A cross-sectional view taken along line II, FIG.
- Cross-sectional view along line Xllll, Figures 14(a) to (e)
is a plan view of navy blue 1 piping. ＼: Heat collector, B: Frame, D: Frame, E: Screw, G. Yl: piping unit, a: heat medium tubular passage, al: heat absorption rising section, a2: low temperature inflow section, a3: high temperature outflow section, inlet pipe, 2: outlet pipe, 3, 3a: joint piece, 5: top plate ,
4, 6, : Fitting groove, 7: Bottom plate, 9.10: Take-out q
Tsuba, 21a to 21e: Vertical piping. Applicant Sharp Co., Ltd. Commissioner of the Patent Office 20 Name of the invention and device Solar thermal collector 3 Relationship to the case of the person making the amendment Applicant name At'6) (504) Sharp Co., Ltd. 4, Agent U541 Address 5, Imperial 611, 4-57 Minamihonmachi, Higashi-ku, Osaka City, date of amendment order □□□□□°, '柾い(1) ``(口l)'' on page 7, line 4 of the specification was changed to r( +)j
and "Giant 11)" in the same 5th line are corrected as r(,,,)j, respectively. (2) On page 11, line 5, [Figure 7 (a) - (n) J is corrected to "Figure 7 (a) - valence)". (3) The figure numbers of Figures 7(e) to (,,,)J in the drawings are corrected to ``Figures 7(e) to (,,,)J, as shown in red on the attached sheet.

Claims (1)

[Claims] A heat collector having a heat medium tubular passage through which the heat medium circulates so as to absorb solar heat, and a frame that surrounds the entire lateral circumference of the heat collector are integrally formed of heat-resistant synthetic resin, and the frame A top plate made of heat-resistant synthetic resin is fitted and fixed in a top plate fitting groove formed on the upper part of the tree, and a synthetic resin bottom plate is fitted and fixed in a bottom plate fitting groove formed in the lower part of the frame. A solar heat collector.