KR20100018915A - Collecting apparatus for solar heat - Google Patents

Abstract

The present invention relates to a solar heat collecting apparatus that is easy to install a support unit for supporting a heat collecting plate and has sufficient strength to prevent damage caused by external force.

The solar heat collecting apparatus according to the present invention includes a heat collecting plate for collecting solar heat, and a support unit for supporting the heat collecting plate, wherein the support unit includes a plurality of front support parts and a north side along the north-south direction from the front support part. And a plurality of rear support parts spaced apart from each other, a main frame installed at the front and rear support parts to support the heat collecting plate, and an auxiliary support part for reinforcing the supporting strength of the main frame.

Description

Solar Collecting Device {Collecting apparatus for solar heat}

The present invention relates to a solar heat collecting apparatus, and more particularly, to a solar heat collecting apparatus that is easy to install a support unit for supporting a collector, and that the support unit is light and has sufficient support strength of a heat collecting plate against external force.

Due to the depletion of fossil energy and environmental pollution, interest in renewable energy is increasing. Renewable energy refers to energy that can be easily obtained from nature such as solar, wind, fuel cell, hydrogen, hydrophobic energy and geothermal energy, and can be infinitely supplied.

Solar energy can be divided into solar energy and solar energy. Currently, research and development on power generation system using solar is being actively conducted, and research and development on solar energy is also actively underway.

Systems for converting radiant energy from the sun into thermal energy that can be used for living can be divided into areas such as heat collectors, heat storage devices, control and design.

The collection of solar heat is usually done by means of collector plates. A representative example of the heat collecting plate is a flat heat collecting plate, the top of which is covered with a transparent glass, there is a tube through which the heat medium heated by absorbing the sunlight flows. When sunlight is collected on the heat collecting plate, the greenhouse effect occurs. As a result, when solar heat is transferred to the heat medium, the heat energy of the heat medium is accumulated and used for heating or hot water supply.

Conventional solar collectors are often installed on the roof of a home or installed on the roof or outdoors of a building through a separate frame. In the past, installation of a support unit for supporting the collector plates was not easy, It was difficult to easily adjust the angle of the heat collecting plate according to the south-high altitude of the sun.

Of course, there has been research and development on the tracking plate support unit for adjusting the angle of the collector plate according to the altitude of the sun.However, since the configuration of the tracker plate support unit is complicated and the manufacturing cost is high, There was a problem that it is practically impossible to use it.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a photovoltaic device that is easy to install the support unit of the heat collecting plate and to easily adjust the inclination angle of the heat collecting plate according to the altitude of the sun according to the season. .

The solar heat collecting apparatus according to the present invention includes a heat collecting plate for collecting solar heat, a support unit for supporting the heat collecting plate, and the support unit includes a first base member fixed to a support surface and an upward direction from the first base member. A plurality of front support parts including a first extension member extending a predetermined distance, a first fastening bracket coupled to an upper end of the first extension member, and spaced a predetermined distance northward in a north-south direction from the front support part; A second base member fixed to the support surface, a second extension member extending upward from the second base member, the second extension member having a relatively longer length than the first extension member, and a second coupling coupled to an upper end of the second extension member; A plurality of rear support parts including a fastening bracket and the heat collecting plate are supported to support one side and the other side so as to be inclined with respect to the support surface. A main frame detachably coupled to the front support part and the rear support part, a third fastening bracket detachably fastened to one side of the rear support part, and one end coupled to the third fastening bracket toward the first connection bar; And an auxiliary support part including an extended reinforcement support bar and a fourth fastening bracket coupled to the tartan of the reinforcement support bar and detachably hinged to the main frame.

The main frame has a plurality of first connection bars, both ends of which are detachably coupled to the first and second fastening brackets, respectively, and are supported on an upper surface of the first connection bars and have a predetermined distance along a length direction of the first connection bars. And a second connection bar installed to cross the first connection bar to be spaced apart from each other, wherein the fourth fastening bracket is detachably coupled to one side of the first connection bar, and is detachably attached to the first to fourth fastening brackets. A first fastening hole is formed in the first connection bar and the second extension member to be coupled to each other so that the fastening pins may pass through the two connecting surfaces. A fastening member having an insertion groove formed therein so that a second extension member or the reinforcing support bar can be inserted, and extending upward from an upper end of the fastening member and having the first fastening hole formed therein; A contact portion contacting two opposite surfaces of the first connecting bar or the second extension member and having a second coupling hole corresponding to the first coupling hole, and bent at a predetermined angle from both ends of the contact portion to be fastened; It is preferred to have a hinged member including a bent portion extending in a direction away from the center of the member.

And a reinforcement part installed on the rear support parts to adjust the strength of the rear support part, wherein the reinforcement part includes a first support rod having one end fixed to one rear support part among two adjacent rear support parts, and the other side. And a second support rod having one end fixed to the rear support portion, and a turnbuckle connecting the other ends of the first and second support rods to each other, and further comprising a fastening means for supporting the heat collecting plate to be detachably coupled to the main frame. It is desirable to.

The solar heat collector according to the present invention can easily install and dismantle the support unit of the heat collecting plate, and has the advantage of reducing the risk of damage by providing a stable support unit having sufficient support strength against external force.

Hereinafter, the solar heat collecting apparatus according to the present invention will be described in detail with reference to the accompanying drawings.

1 to 7, the solar heat collecting apparatus 100 includes a heat collecting plate 10 and a support unit 20 for supporting the heat collecting plate 10.

The heat collecting plate 10 of the present embodiment is a flat plate collector, which is heated by solar heat collected by being collected in contact with the case 11, the heat collecting body 14 installed inside the case 11, and the heat collecting body 14. It includes a transfer pipe 15 to be transferred to the heat medium, and the heat insulating material 16 is filled in the case (11).

The case 11 includes a body 12 having an upper opening and a floodlight plate 13 installed on an upper surface of the body 12, and flows into the case 11 through the floodlight plate 13. The heating medium is heated by the sunlight and radiant energy, and the heating medium moves through the transfer pipe 15 and flows into the heat storage tank (not shown).

As the heat medium, water may be used, but various media may be used that are fluid and may easily absorb heat collected in the heat collecting body 14.

The support unit 20 is for supporting the heat collecting plate 10, and is provided on the front support part 21, the rear support part 40, and the front and rear support parts 21 and 40 which are installed at a predetermined distance from each other. The main frame 50 to be supported, and the reinforcement portion 70 and the upper limb heat collecting plate 10 installed in the auxiliary support portion 60 and the rear support portion 40 for reinforcing the supporting force of the main frame 50, the main It includes a fastening means 80 for fastening to the frame 50.

The front support part 21 is provided with a plurality of spaced apart a predetermined interval in the east-west direction, the first base member 22 fixed to the support surface, and the first extension member extending upward from the first base member 22 ( 25 and a first fastening bracket 30 coupled to the upper end of the first extension member 25.

The first base member 22 protrudes upward on the support surface and has through holes 23 through which the plurality of protruding members 24 having a screw thread are formed on the outer circumferential surface thereof, and the protruding members 24 are formed. When extending to the upper portion of the first base member 22 through the through hole 23, the first base member 22 is fixed to the support surface by fastening the nut with the protruding member 24.

The first extension member 25 is a rectangular steel that extends a predetermined distance upward from an upper surface of the first base member 22, and the first extension member 25 and the first base member are disposed at the lower end of the first extension member 25. A reinforcing rib 26 for reinforcing the bonding strength of 22 is provided. In addition, two first coupling holes 27 penetrating both sides facing each other are formed on the upper portion of the first extension member 25 so as to be spaced apart in the vertical direction.

Although the first extension member 25 is illustrated as a square steel in the present embodiment, the first extension member 25 may be formed in a hexagonal or octagonal pillar shape having faces facing each other.

The first fastening bracket 30 is connected to the upper end of the first extension member 25 and is fastened to the main frame 50 which will be described later, and the fastening member 31 coupled to the first extension member 25. , Two hinge coupling members 36 extending upward from the upper end of the fastening member 31.

The fastening member 31 extends in the vertical direction and has an insertion hole 32 which is open downward to allow the upper portion of the first extension member 25 to be inserted therein. The first and second unit members 31a, 31b) are formed by mutual coupling.

The first unit member 31a is in contact with the side surface of the first extension member 25 in which the first coupling hole 27 is formed, and the second coupling hole 34 communicating with the first coupling hole 27. ) Is formed, and a first bent portion 35 bent in a direction orthogonal to the side plate 33 from both side edges of the side plate 33.

The second unit member 31b has a shape symmetrical with the first unit member 31a and performs welding so that the end surfaces of the first bent portions 35 of the first and second unit members 31a and 31b come into contact with each other. When coupled through, the insertion hole 32 into which the first extension member 25 may be inserted by the side plates 33 and the first bent portions 35 of the first and second unit members 31a and 31b. The fastening member 31 is provided, and the fixing pin 28 is inserted through the first and second coupling holes 34 and then fastened with a nut to fasten the fastening member 31 to the first extension member 25. ) Can be fixed.

The two hinge coupling members 36 each have a contact portion 37 extending upward from the side plates 33 of the first and second unit members 31a and 31b, and both side ends of the contact portion 37, respectively. Has a second bent portion 39 extending in a direction orthogonal to the contact portion 37, wherein the second bent portion 39 is formed so as to extend in a direction away from the center of the first elongate member 25. FIG. .

Therefore, the first and second unit members 31a and 31b are formed such that the first and second bent portions 35 and 39 extend in opposite directions, respectively.

The rear support portion 40 is provided with a plurality of spaced apart a predetermined distance to the north side along the front support portion 21 and the north-south direction, each rear support portion 40 along the east-west direction like the front support portion 21 Installed apart from each other.

The rear support portion 40 also has a second base member 41 fixed to the support surface, a second extension member 42 connected upwardly to the upper surface of the second base member 41, and a second extension. The second fastening bracket 43 is coupled to the upper end of the member 42.

The rear support part 40 has the second base member 41 and the second extension member 42 except that the length of the second extension member 42 is formed relatively longer than the length of the first extension member 25. ) And the second fastening bracket 43 have the same shape and function as the first base member 22, the first extension member 25, and the first fastening bracket 30, respectively, and thus a detailed description thereof will be omitted.

Since the length of the second extension member 42 is relatively longer than that of the first extension member 25, the main frame 50 supported by the front and rear support parts 21 and 40 extends southward to be inclined downward. do. This is in consideration of the south-high altitude of the sun, the front and rear support parts (21, 40) are inclined to support the heat collecting plate 10 so that the incident angle of sunlight to the heat collecting plate 10 supported on the main frame 50 is close to the vertical. It is preferable to be formed in the length which can be made.

The main frame 50 is for supporting the heat collecting plate 10, and a first connection bar 51 and one first connection bar 51 having one end and the other end coupled to the front and rear support parts 21 and 40, respectively. The second connection bar 53 is installed at an upper portion of the upper side of the c) so as to extend in a direction orthogonal to the first connection bar 51.

Each of the first and second fastening brackets 30 and 43 and the fourth and second fastening brackets 62 to be described later may be coupled to the first connecting bar 51 at both ends and the central side thereof. The first fastening holes 52 communicating with the second fastening holes 38 are formed to penetrate two surfaces facing each other, and the first and second fastening holes 52 and 38 communicate with each other. 1, the first connecting bar 51 is positioned in the second and second fastening brackets 30 and 43, and then the fastening pin 29 is inserted into the first and second fastening holes 52 and 38 so as to penetrate the first connecting bar. The 51 is supported by the front and rear support portions 21 and 40.

The first connecting bar 51 extends inclined with respect to the support surface by the difference in length between the front and rear support parts 21 and 40, and the first connecting bar 51 also includes the first and second extension members 25 and 42. It is preferable to form a rectangular steel similarly to).

The second connection bar 53 extends in a direction perpendicular to the first connection bar 51 on the first connection bar 51 and is fixed to the first connection bar 51 by the fixing bracket 54. The heat collecting plate 10 is fixedly installed on the upper surface of the second connection bar 53 by the fastening means 80, and the second connection bar 53 is also stably coupled with the first connection bar 51 and the heat collecting plate 10. It is preferable to be formed of a square steel for.

The auxiliary support part 60 is for reinforcing the strength of the first connecting bar 51 to prevent the first connecting bar 51 from buckling by the weight of the heat collecting plate 10, and the second extension member 42. A third fastening bracket 61 detachably coupled to one lower side of the fourth fastening bracket 62 coupled to one side of the first connecting bar 51, and a third and fourth fastening bracket 61,62. ) Is provided with a reinforcing support bar 63.

The third and fourth fastening brackets 61 and 62 are fastening members 31 fastened to the reinforcing support bars 63 like the first fastening brackets 30, and hinge coupling members extending from the fastening members 31. 36, each of which has the same shape and function as the first fastening bracket 30 and only the fastening position is different, detailed description thereof will be omitted.

The support unit 20 is the main frame 50, the front and rear support parts (21, 40) and the auxiliary support part 60 are mutually formed by the first to fourth fastening brackets (30, 43, 61, 62) It is formed through the combination, so installation and disassembly are very easy.

In general, since the support unit 20 supporting the heat collecting plate 10 is manufactured by welding each member, it is not easy to move the support unit 20 after the support unit 20 is manufactured. 20) was also cumbersome and not easy.

On the other hand, the support unit 20 of the present invention is the front and rear support portion (21, 40), the auxiliary support portion 60, the main frame 50 by the first to fourth fastening brackets (30, 43, 61, 62) ) Assembly and assembly are simple and easy to carry and install because of the simple combination and separation.

In particular, since the cross-sectional coefficient of the hinge coupling member 36 is increased by the second bent portion 39 of the first to fourth fastening brackets 30, 43, 61, and 62, the strength of the hinge coupling member 36 is increased. Since it becomes stronger, since the deformation is not easily caused by the second bent portion 39 when the hinge coupling member 36 receives the force by an external force such as a strong wind or the weight of the heat collecting plate 10, such a load or an external force Damage to or lowering of the first to fourth fastening brackets 30, 43, 61, 62 can be minimized.

The reinforcement part 70 is for strength reinforcement of the rear support part 40.

As described above, the rear support part 40 is formed such that the second extension member 42 has an extended length relatively longer than the first extension member 25 in order to support the heat collecting plate 10 inclinedly.

Therefore, by installing the reinforcing portion 70 interconnecting the adjacent rear support portion 40 as shown, the rear support portion 40 is prevented from buckling or deformation occurs.

The reinforcement part 70 of the present embodiment is installed to intersect with each other between two adjacent rear support parts 40. The first support rod 71 fixed to the lower part of one rear support part 40 and the other rear part. And a second support rod 72 fixed to the upper portion of the support portion 40 and a turnbuckle 73 connecting the first and second support rods 71 and 72 to each other.

The turnbuckle 73 is to maintain the reinforcement portion 70 to maintain a certain level or more of tension, and the first and second support rods 71 and 72 are formed of a metal material, and the first and second support rods according to air temperature. Since the length change may occur due to expansion or contraction of the 71 and 72, the reinforcement part may be compensated for by the turnbuckle 73 when the first and second support rods 71 and 72 are expanded or contracted. It is desirable to keep the tension of 70) at a constant level.

The fastening means 80 is for fixing the heat collecting plate 10 to the main frame 50 as described above, and the first fastening profile fastened to the second connection bar 53 as shown in FIGS. 6 and 7 ( 81 and a second fastening profile coupled to the first fastening profile 81 and holding the edge of the heat collecting plate 10 together with the first fastening profile 81 to fix the heat collecting plate 10 to the main frame 50. Profile 82.

The first fastening profile 81 may include the first to third portions 81a, 81b, 81c and the third portion 81c having a 'c' shape as a whole to surround the second connection bar 53. And a fourth fastening portion 81e extending upwardly from an end portion, and a first fastening portion 81e extending outwardly from an upper end of the fourth portion 81d, and the bolting hole 86 is formed in the first fastening portion 81e. ) Is formed.

The second fastening profile 82 extends from the second fastening portion 82a and the second fastening portion 82a coupled by the first fastening portion 81e, the bolt 83, and the nut 84. The fifth and sixth parts 82b and 82c are formed to have a '-' shape to hold the heat collecting plate 10.

A bolting hole is formed in the second fastening portion 82a so that the bolt 83 extends through the bolting holes formed in the first and second fastening portions 81e and 82a and the nut 84 is attached to the bolt 83. ) Is fastened to couple the first and second fastening profiles 81 and 82 to each other, and the third and fourth parts 81c and 81d and the fifth and sixth parts 82b and 82c are heat collecting plates 10. ).

In this embodiment, the first fastening profile 81 is designed to wrap the second connection bar 53, but in this case, since the size of the second connection bar 53 is not constant, it is not shown in FIG. Delete the first portion 81a and contact the second and third portions 81b and 81c on two consecutive surfaces of the second connecting bar 53 regardless of the size of the second connecting bar 53. Then, the coupling may be made by the coupling bolt 85 penetrating the second portion 81b and the second connection bar 53.

As shown in FIG. 9, the first fastening profile 81 includes first and second guide members 81f that guide the second fastening profile 82 to the first fastening portion 81e so that the second fastening profile 82 can be elevated in the vertical direction. 81g) may be further provided.

The second guide member 81g is in contact with the fifth portion 82b of the second fastening profile 82, and the second fastening profile 82 is guided by the first and second guide members 81f and 81g to lift. Or by lowering, even if the heat collecting plate 10 is formed to have a variety of sizes, the heat collecting plate 10 can be gripped regardless of the thickness of the house side plate 10 of each size.

The fastening means 80 of the present embodiment, which further includes the first and second guide members 81f and 81g, also deletes the first portion 81a as shown in FIG. 10 and the size of the second connecting bar 53. Regardless of the coupling bolt penetrating the second and third portions 81b and 81c on two consecutive surfaces of the second connecting bar 53, and then penetrating the second portion 81b and the second connecting bar 53. The coupling can be made by (85).

The remaining components of the present embodiment are the same as the fastening means 80 shown in Figs. 6 and 7, detailed description thereof will be omitted.

11 illustrates another embodiment of the fastening means 90. Referring to the drawings, the fastening means 90 of the present embodiment includes a third fastening profile 91 fastened to the second connection bar 53 and a heat collecting plate. It is installed in the lower portion of 10) includes a fourth fastening profile (96) coupled with the third fastening profile (91).

The third fastening profile 91 has a 'b' shape and a connection bar coupling member 92 contacting the top and side surfaces of the second connection bar 53 and a profile provided on the connection bar coupling member 92. Coupling member 93 is included.

The connecting bar coupling member 92 extends downwardly from an end portion of the first contact portion 92a and the first contact portion 92a that is in contact with the upper surface of the second connecting bar 53, and the second connecting bar 53 may be formed. The second contact portion 92b is in contact with the side to have a '-' shape as a whole, the second contact portion 92b is provided with a fastening hole 94 is provided with a fastening bolt 95 is the fastening hole 94 The third fastening profile 91 is fixedly coupled to the second connection bar 53 by being fixed to penetrate through one side of the second connection bar 53.

Profile coupling member 93 is provided on the upper side of the connecting bar coupling member 92 for fixing the fourth fastening profile 96 and the third fastening profile 91 to be described later, the first contact portion (91a) A through hole 93a is provided at an upper portion of the second connection bar 53 and penetrates in the same direction as the extending direction of the second connection bar 53.

The fourth fastening profile 96 has an inverted 'U' shape installed at the bottom of the heat collecting plate 10, and the profile coupling member 93 is connected to the fourth fastening profile through the open bottom of the fourth fastening profile 96. 96 is fastened to the fourth fastening profile 96 through the fastening bolt 98 is inserted into the through-hole 97 is spaced apart a predetermined interval along the longitudinal direction on the side of the fourth fastening profile (96) The fastening nut 99 is screwed to the end of the fastening bolt 98 protruding after being inserted through the member 93.

Since the thickness of the profile coupling member 93 corresponds to the inner width of the fourth coupling profile 96, the profile coupling member 93 is forcibly fitted to the fourth coupling profile 96, thereby mutually fastening. The fastening bolt 98 and the fastening nut 99 prevent the third and fourth fastening profiles 91 and 96 from being separated from each other.

Connection bar coupling member 92 of the present embodiment is in the 'b' shape is to be in contact with the upper surface and one side of the second connection bar 53 can be fastened regardless of the size of the second connection bar (53). .

The connection bar coupling member 92 further includes a third contact portion 92c extending in a direction parallel to the first contact portion 92a at the lower end of the second contact portion 92b, as illustrated in FIG. 12. It may be formed in a '-' shape so that all three surfaces of the second connection bar 53 are wrapped by the first to third contact portions 92a, 92b and 92c.

1 is a partially cutaway perspective view showing an embodiment of a solar heat collector according to the present invention,

FIG. 2 is a partial excerpt perspective view illustrating a coupled state of the front support part and the first connection bar of FIG. 1; FIG.

3 is an exploded perspective view of the front support part of FIG.

Figure 4 is a side view of the solar heat collector of Figure 1,

5 is a front view showing a reinforcing part supporting the rear support part of FIG. 1;

Figure 6 is a partial excerpt side view showing the fastening means of Figure 1,

Figure 7 is an exploded perspective view showing the fastening means of Figure 6,

8 is a side view illustrating an embodiment in which a first portion of the first fastening profile of FIG. 6 is omitted;

9 is a side view showing a fastening means in which the second fastening profile of FIG. 6 is installed to be elevated;

10 is a side view illustrating an embodiment in which a first portion of the first fastening profile of FIG. 9 is omitted;

11 is a perspective view showing another embodiment of the fastening means;

12 is an exploded perspective view showing an embodiment in which the third fastening profile of FIG. 11 further includes a third contact portion.

<Explanation of symbols for the main parts of the drawings>

100; Solar collector

10; Heat collecting plate

20; Support unit 21; Front support part

30; First fastening bracket 40; Rear support part

50; Mainframe 60; Auxiliary Support

70; Reinforcement 80; Fastening means

Claims (9)

A heat collecting plate for collecting solar heat; And a support unit for supporting the heat collecting plate. The support unit includes a plurality of first base members fixed to a support surface, a first extension member extending a predetermined distance upward from the first base member, and a first fastening bracket coupled to an upper end of the first extension member. Front support part A second base member spaced a predetermined distance north from the front support part along a north-south direction, and extending upwardly from the second base member, the second base member being fixed to the support surface and having a relatively longer length than the first extension member. A plurality of rear support parts including a second extension member and a second fastening bracket coupled to an upper end of the second extension member; A main frame supporting the heat collecting plate, one side and the other side of which are detachably coupled to the front support part and the rear support part so as to be inclined with respect to the support surface; A third fastening bracket detachably fastened to one side of the rear support part, one end of which is coupled to the third fastening bracket, the reinforcing support bar extending toward the first connection bar, and coupled to the tartan of the reinforcing support bar; A solar heat collecting apparatus, comprising: an auxiliary support part including a fourth fastening bracket which is hingedly coupled to a frame. The method of claim 1, The main frame has a plurality of first connection bars, both ends of which are detachably coupled to the first and second fastening brackets, respectively, and are supported on an upper surface of the first connection bars and have a predetermined distance along a length direction of the first connection bars. A second connection bar installed to cross the first connection bar to be spaced apart from each other, The fourth fastening bracket is detachably coupled to one side of the first connection bar, The first connection bar and the second extension member, which are detachably coupled to the first to fourth fastening brackets, have first fastening holes formed therein so that the fastening pins can be penetrated on two surfaces facing each other. The first to fourth fastening brackets each include a fastening member having an insertion groove formed therein so that the first and second extension members or the reinforcing support bar can be inserted, and extending upward from an upper end of the fastening member. A contact portion in contact with two opposite surfaces of the first connecting bar or the second extension member having a fastening hole formed therein and having a second fastening hole corresponding to the first fastening hole, and from both ends of the contact portion And a hinge coupling member including a bent portion that is bent at a predetermined angle and extends in a direction away from the center of the fastening member. 3. The method of claim 2, Is provided on the rear support portion further provided with a reinforcement for adjusting the strength of the rear support portion, The reinforcing part includes a first support rod having one end fixed to one rear support portion among two adjacent rear support portions, a second support rod having one end fixed to the other rear support portion, and the other end of the first and second support rods. Solar heat collecting device comprising a turnbuckle to connect each. The method of claim 1, And a fastening means for supporting the heat collecting plate to be detachably coupled to the main frame. The method of claim 4, wherein The fastening means includes a first fastening profile fastened to the second connection bar and a second fastening profile coupled to the first fastening profile and holding the edge of the heat collecting plate together with the first fastening profile to fix the heat collecting plate to the main frame. Including fastening profile, The first fastening profile is in contact with the side surface and the upper surface of the second connecting bar, respectively, the second portion and the third portion having a '-' shape, the fourth portion extending upward from the end of the third portion and the A first fastening part extending outward from an upper end of the fourth part and having a bolting hole penetrating in a vertical direction; The second fastening profile extends from the second fastening portion and the second fastening portion provided with a bolting hole corresponding to the bolting hole of the first fastening portion so that the first fastening portion can be coupled by a bolt and a nut. And a fifth and a sixth portion formed in a '-' shape to hold the heat collecting plate. The method of claim 5, The first fastening profile is provided on the first fastening portion to adjust the separation distance between the sixth and third parts contacting the upper and lower surfaces of the heat collecting plate, respectively, according to the size of the heat collecting plate. And a first and second guide member for guiding the profile to be movable up and down in a vertical direction. The method according to any one of claims 5 to 6, The first fastening profile further includes a first portion extending parallel to the third portion from the end of the second portion to surround the three sides of the second connecting bar to be fitted with the second connecting bar. A solar collector, characterized in that. The method of claim 4, wherein The fastening means includes a third fastening profile fastened to the second connection bar and a fourth fastening profile installed at a lower portion of the heat collecting plate and coupled to the third fastening profile. The third fastening profile is a first contact portion in contact with the upper surface of the second connection bar, extending downward from the end of the first contact portion and in contact with the side of the second connection bar and the side of the second connection bar A connecting bar coupling member having a second contact portion having a fastening hole into which a fastening bolt is inserted to be coupled, and a through hole provided in an upper portion of the first contact portion and penetrating in the same direction as an extension direction of the second connection bar. A profile engaging member, The fourth fastening profile has an inverted 'U' shape having a width corresponding to the thickness of the profile fastening member and can prevent the profile fastening member from being separated through the fastening bolt fastened to pass through the through hole. A solar heat collecting apparatus, characterized in that a plurality of through-holes are formed on the side surface to be spaced apart at a predetermined interval along the longitudinal direction. The method of claim 8, The connection bar coupling member extends in a direction parallel to the first contact portion at a lower end of the second contact portion so that the second connection bar can be fitted into a third contact portion contacting the bottom surface of the second connection bar. Solar heat collecting device characterized in that it further comprises.

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