阅读说明：本技术 太阳能集热器 (Solar heat collector ) 是由 刘斌 杨春涛 蒋建平 姜立军 韩冰 于 2019-11-22 设计创作，主要内容包括：本发明公开了一种太阳能集热器,包括多个集热模块,集热模块四周分别围设框架型材,框架型材上设置有凹槽；集热模块的各个框架型材的连接处通过连接件连接；连接件包括连接本体和插接部；插接部分别插入框架型材的凹槽中固定；连接本体上设置有连通外界大气和集热器内部空间的通气通道。应用上述太阳能集热器,通过在各个框架型材的连接处设置连接件,不仅可以通过连接件与框架型材插接连接,组装和拆卸方便；同时,在连接件上开设通气通道,与集热器的内部空间连通,保证集热器内外压强平衡,集热器内的水蒸气可顺畅流动,通过通气流道排出；在连接件上设置通气通道,无需在框架型材上开设较多的孔,保证了框架型材强度,安全性高。(The invention discloses a solar heat collector which comprises a plurality of heat collecting modules, wherein frame profiles are respectively arranged around the heat collecting modules in a surrounding manner, and grooves are formed in the frame profiles; the connection parts of the frame profiles of the heat collection module are connected through connecting pieces; the connecting piece comprises a connecting body and an inserting part; the inserting parts are respectively inserted into the grooves of the frame section bar for fixing; the connecting body is provided with a ventilation channel communicated with the outside atmosphere and the inner space of the heat collector. By applying the solar heat collector and arranging the connecting pieces at the joints of the frame profiles, the solar heat collector can be connected with the frame profiles in an inserting way through the connecting pieces, and is convenient to assemble and disassemble; meanwhile, the connecting piece is provided with a ventilation channel which is communicated with the internal space of the heat collector, so that the balance of the internal pressure and the external pressure of the heat collector is ensured, and the water vapor in the heat collector can smoothly flow and is discharged through the ventilation channel; the connecting piece is provided with the ventilation channel, so that more holes do not need to be formed in the frame profile, the strength of the frame profile is guaranteed, and the safety is high.)

1. A solar collector, comprising:

a plurality of heat collection modules;

the frame profiles are arranged around the heat collection modules in a surrounding mode, and grooves are formed in the frame profiles;

the connecting parts of the frame profiles of the heat collecting module are connected through the connecting parts; the connecting piece comprises a connecting body and an inserting part; the inserting parts are respectively inserted into the grooves of the frame section bar for fixing; and the connecting body is provided with a ventilation channel communicated with the outside atmosphere and the inner space of the heat collector.

2. Solar collector according to claim 1, wherein the connection body comprises:

a top plate; the inserting part is arranged on the top plate; the top plate covers the frame section bar;

the side plate is vertical to the top plate and is attached to the outer surface of the side wall of the frame profile;

the ventilation channel is arranged along the side plate and the top plate from the bottom of the side plate and is communicated with the inner space of the heat collector.

3. The solar heat collector as claimed in claim 2, wherein the inner surface of the side plate is provided with a side groove communicated with the outside atmosphere; the inner surface of the top plate is provided with a top surface groove communicated with the inner space of the heat collector, and the side surface groove is communicated with the top surface groove to form the ventilation channel.

4. A solar collector according to claim 3, wherein the connection comprises:

the first connecting piece is used for connecting the frame profiles between the adjacent heat collecting modules;

and the second connecting piece is used for connecting the frame profiles on the corners of the heat collection modules at two ends.

5. The solar heat collector as claimed in claim 4, wherein the first connecting member comprises a first connecting body and three first inserting parts, the first connecting body comprises a first top plate and a first side plate, and the three first inserting parts are respectively arranged at two ends and in the middle of the first connecting body and are respectively inserted and fixed with the heat collecting modules arranged at two sides and a common frame profile arranged in the middle of the first connecting body;

the side surface grooves comprise first side surface grooves, the top surface grooves comprise first top surface grooves, the first side surface grooves are formed in the first side plate, and the first top surface grooves are formed in the first top plate.

6. A solar collector according to claim 5, wherein the first plug parts arranged at both ends of the first connecting body comprise a first mid-plane and a first short side plate arranged at one side thereof, and first slots are respectively formed between the first mid-plane and the first side plate of the first connecting body, and between the first mid-plane and the first short side plate; the first middle inserting plate is inserted into the groove of the frame section bar for fixing, and the side walls of the groove are respectively inserted into the first slots at two sides for fixing.

7. The solar collector according to claim 6, wherein the first inserting portion disposed at the middle of the first connecting body comprises a first middle insert plate and first short side plates disposed at two sides thereof, and a first slot is respectively formed between the first middle insert plate and the first short side plates at two sides; the first middle inserting plate is inserted into the groove of the frame section bar for fixing, and the side walls of the groove are respectively inserted into the first slots at two sides for fixing.

8. The solar heat collector as claimed in claim 7, wherein the second connecting member comprises a second connecting body and two second inserting parts, and the two second inserting parts are vertically arranged and respectively inserted and fixed with the frame profiles at the corners of the heat collecting modules arranged at the two ends; the second connecting body comprises a second top plate and two second side plates which are vertically arranged in pairs; the two second inserting parts are connected with the bottom surface of the second top plate;

the side surface grooves comprise second side surface grooves, the top surface grooves comprise second top surface grooves, the second side surface grooves are formed in the second side plate, and the second top surface grooves are formed in the second top plate.

9. The solar collector according to claim 8, wherein the second inserting part comprises a second middle inserting plate and a second short side plate arranged on one side of the second middle inserting plate, and second inserting grooves are respectively formed between the second middle inserting plate and the second side plate and between the second middle inserting plate and the second short side plate; the second middle inserting plate is inserted into the groove of the frame section bar for fixing, and the side walls of the groove are respectively inserted into the second slots at two sides for fixing.

10. A solar collector according to any of claims 3-9, wherein the collector module comprises:

the glass cover plate is pressed on the frame section bar through a pressing strip, and the inner surface of the top plate is pressed with the corner of the glass cover plate;

the supporting strips are used for supporting the periphery of the glass cover plate; the inner side of the frame section bar is provided with a supporting part for supporting the supporting bar; gaps are reserved between adjacent support bars, and the ventilation channels are communicated with the inner space of the heat collector through the gaps.

Technical Field

The invention relates to the technical field of solar energy, in particular to a solar heat collector.

Background

The conventional solar flat plate collector promotes air circulation by opening holes in the side faces of the frame profiles, but the internal and external pressure intensities of the collector cannot be completely balanced, the air circulation is not smooth, and when the holes are more in the outer side faces of the frame profiles, the strength of the frame profiles can be reduced, and potential safety hazards are caused in the use process of the large-area solar flat plate collector.

Disclosure of Invention

Accordingly, the invention aims to provide a solar heat collector with good air circulation and high safety.

In order to solve the technical problems, the invention adopts the following technical scheme:

a solar thermal collector, comprising:

a plurality of heat collection modules;

the frame profiles are arranged around the heat collection modules in a surrounding mode, and grooves are formed in the frame profiles;

the connecting parts of the frame profiles of the heat collecting module are connected through the connecting parts; the connecting piece comprises a connecting body and an inserting part; the inserting parts are respectively inserted into the grooves of the frame section bar for fixing; and the connecting body is provided with a ventilation channel communicated with the outside atmosphere and the inner space of the heat collector.

Further, the connection body includes:

a top plate; the inserting part is arranged on the top plate; the top plate covers the frame section bar;

the side plate is vertical to the top plate and is attached to the outer surface of the side wall of the frame profile;

the ventilation channel is arranged along the side plate and the top plate from the bottom of the side plate and is communicated with the inner space of the heat collector.

Furthermore, a side groove communicated with the outside atmosphere is formed in the inner surface of the side plate; the inner surface of the top plate is provided with a top surface groove communicated with the inner space of the heat collector, and the side surface groove is communicated with the top surface groove to form the ventilation channel.

Further, the connector includes:

the first connecting piece is used for connecting the frame profiles between the adjacent heat collecting modules;

and the second connecting piece is used for connecting the frame profiles on the corners of the heat collection modules at two ends.

Furthermore, the first connecting piece comprises a first connecting body and three first inserting parts, the first connecting body comprises a first top plate and a first side plate, and the three first inserting parts are respectively arranged at two ends and the middle part of the first connecting body and are respectively inserted and fixed with the heat collecting modules arranged at two sides and a frame profile shared in the middle;

the side surface grooves comprise first side surface grooves, the top surface grooves comprise first top surface grooves, the first side surface grooves are formed in the first side plate, and the first top surface grooves are formed in the first top plate.

Furthermore, the first plug parts arranged at the two ends of the first connecting body comprise a first middle plug board and a first short side board arranged at one side of the first middle plug board, and first slots are respectively formed between the first middle plug board and the first side board of the first connecting body as well as between the first middle plug board and the first short side board; the first middle inserting plate is inserted into the groove of the frame section bar for fixing, and the side walls of the groove are respectively inserted into the first slots at two sides for fixing.

Further, the first plug part arranged in the middle of the first connecting body comprises a first middle plug board and first short side boards arranged on two sides of the first middle plug board, and first slots are respectively formed between the first middle plug board and the first short side boards on two sides; the first middle inserting plate is inserted into the groove of the frame section bar for fixing, and the side walls of the groove are respectively inserted into the first slots at two sides for fixing.

Furthermore, the second connecting piece comprises a second connecting body and two second inserting parts, and the two second inserting parts are vertically arranged, are respectively inserted and fixed with the corners of the heat collecting modules arranged at the two ends and are fixedly connected with the frame section; the second connecting body comprises a second top plate and two second side plates which are vertically arranged in pairs; the two second inserting parts are connected with the bottom surface of the second top plate;

the side surface grooves comprise second side surface grooves, the top surface grooves comprise second top surface grooves, the second side surface grooves are formed in the second side plate, and the second top surface grooves are formed in the second top plate.

Further, the second plug part comprises a middle second middle plug board and a second short side board arranged on one side of the middle second plug board, and second slots are respectively formed between the second middle plug board and the second side board and between the second middle plug board and the second short side board; the second middle inserting plate is inserted into the groove of the frame section bar for fixing, and the side walls of the groove are respectively inserted into the second slots at two sides for fixing.

Further, the heat collecting module includes:

the glass cover plate is pressed on the frame section bar through a pressing strip, and the inner surface of the top plate is pressed with the corner of the glass cover plate;

the supporting strips are used for supporting the periphery of the glass cover plate; the inner side of the frame section bar is provided with a supporting part for supporting the supporting bar; gaps are reserved between adjacent support bars, and the ventilation channels are communicated with the inner space of the heat collector through the gaps.

Compared with the prior art, the invention has the advantages and positive effects that:

according to the solar heat collector, the connecting pieces are arranged at the connecting positions of the frame profiles, so that the solar heat collector can be connected with the frame profiles in an inserting manner through the connecting pieces, the assembly and disassembly are convenient, and the later-period inspection and maintenance are convenient; meanwhile, the connecting piece is provided with the ventilation channel which is communicated with the internal space of the heat collector, so that the balance of the internal and external pressure intensities of the heat collector is ensured, the water vapor in the heat collector can smoothly flow and is discharged through the ventilation channel, the air circulation is good, and the drying and no water storage in the heat collector are ensured; the ventilation channel is arranged on the connecting piece, so that more holes do not need to be formed in the frame section, the strength of the frame section is guaranteed, the safety is high, the structure is simple, the manufacturing is easy, and the cost is low.

Drawings

FIG. 1 is a schematic structural view of a solar collector according to the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is an enlarged view of FIG. 1 at B, showing the bead removed;

FIG. 4 is an enlarged view at C of FIG. 1;

FIG. 5 is a cross-sectional view of the internal structure of the solar collector of the present invention;

FIG. 6 is an air flow diagram of the solar collector of the present invention through the first connector, shown partially in section;

FIG. 7 is a schematic top view of a first connecting member of the solar collector of the present invention;

fig. 8 is a schematic bottom view of a first connecting member in the solar collector of the present invention;

fig. 9 is a schematic view of a first connecting member in a bottom view of the solar collector of the present invention;

fig. 10 is an air flow diagram through a second connection in a solar collector according to the invention, the second connection being shown partly in section;

fig. 11 is a schematic top view of a second connection member in the solar collector of the present invention;

fig. 12 is a schematic bottom view of a second connection member in the solar collector of the present invention;

fig. 13 is a schematic view of a second connection member in a bottom view of the solar collector of the present invention;

description of reference numerals:

a frame profile 100; a recess 110; a support portion 120;

a glass cover plate 200;

a support strip 300;

a bead 400;

a first connector 500; a first connection body 510; the first top plate 511; the first top surface groove 511 a; a first side panel 512; a first side groove 512 a; a first mating portion 520; a first midplane 521; a first short side plate 522;

a second connector 600; a second connection body 610; the second top plate 611; the second top surface groove 611 a; a second side plate 612; second side grooves 612 a; a second mating portion 620; a second mid-board 621; second short side plate 622;

a screw 700;

a rubber mat 800.

Detailed Description

Reference will now be made in detail to the present embodiments of the invention, examples of which are illustrated in the accompanying drawings, but which can be embodied in many different forms and varied in the manner defined and covered by the claims.

Referring to fig. 1 to 13, a solar collector in an embodiment of the present invention is a large-area collector, and includes a plurality of heat collecting modules. The periphery of the heat collection module is respectively surrounded with a straight strip-shaped frame section bar 100, and a pressing bar 400 is pressed on the frame section bar 100. The frame profile 100 is preferably an aluminium profile. The frame profile 100 is provided with a recess 110. The frame profile 100 in the length direction of the collector can also be a whole long profile. As shown in fig. 5, the heat collecting module includes a glass cover plate 200, a support bar 300 for supporting the periphery of the glass cover plate 200, and a heat absorbing body (not shown) disposed under the glass cover plate 200. The inner side of the frame profile 100, i.e. the inner side of the groove 110, is provided with a support 120 for supporting the support bar 300. The glass cover plate 200 is pressed on the frame section bar 100 by the pressing strip 400, and a gap is left between the adjacent supporting bars 300. The connection parts of the frame profiles 100 of the heat collecting module are connected by a connection member.

The connecting piece comprises a connecting body and an inserting part. The inserting parts are respectively inserted into the grooves 110 of the frame profile 100 to be fixed, and simultaneously, the connecting body is pressed with the corners of the glass cover plate 200. The connecting body is provided with a ventilation channel communicated with the outside atmosphere and the inner space of the heat collector. The specific structure of the connector and vent passage will be described in detail below. Specifically, the vent channels communicate with the inner space of the heat collector through the gaps between the supporting bars 300.

According to the solar heat collector, the connecting pieces are arranged at the connecting positions of the frame profiles 100, so that the solar heat collector can be connected with the frame profiles 100 in an inserting manner through the connecting pieces, the assembly and disassembly are convenient, and the later-period inspection and maintenance are convenient; meanwhile, the connecting piece is provided with a ventilation channel which is communicated with the internal space of the heat collector, so that the balance of the internal and external pressure intensities of the heat collector is ensured, the water vapor in the heat collector can smoothly flow and is discharged through the ventilation channel, and the drying and no water storage in the heat collector are ensured; the ventilation channel is arranged on the connecting piece, so that more holes do not need to be formed in the frame section, the strength of the frame section is guaranteed, the safety is high, the structure is simple, the manufacturing is easy, and the cost is low.

Specifically, the connecting body comprises a top plate and a side plate which are vertically arranged, and the inserting part is arranged on the top plate. The top plate covers the frame profile 100; the side plates are attached to the outer surface of the side walls of the frame profile 100. The ventilation channel is arranged along the side plate and the top plate by the side plate and is communicated with the inner space of the heat collector. The air inlet and outlet on the outer side of the ventilation channel are arranged at the bottom of the side plate, so that the air can not flow to and pollute the heat absorbing sheet even if the air is liquefied in the ventilation channel, and meanwhile, the phenomenon that water enters or dust is accumulated in rainy days is avoided.

The specific structural form of the vent channel is as follows: the inner surface of the side plate is provided with a side groove communicated with the external atmosphere, the inner surface of the top plate is provided with a top surface groove communicated with the inner space of the heat collector, and the side groove is communicated with the top surface groove to form a ventilation channel. The side grooves are preferably arranged into a plurality of vertical semicircular straight grooves to ensure smooth ventilation. The connecting member and the vent passage thereof will be described in detail below.

In the present embodiment, as shown in fig. 1 to 4, the connection member includes a first connection member 500 and a second connection member 600, the first connection member 500 is used for connecting the frame profiles 100 between the adjacent heat collecting modules, i.e., connecting three frame profiles 200. The second connector 600 is used to connect the frame profiles 100 at the corners of the heat collection module at two ends, i.e. is arranged at the corners of the heat collection module 100 to connect the two frame profiles 100 at the outer side.

As shown in fig. 7 and 8, in particular, the first connecting member 500 includes a first connecting body 510 and three first inserting portions 520, the first connecting body 510 includes a first top plate 511 and a first side plate 512 which are vertically disposed, and the three first inserting portions 520 are respectively disposed at two ends and a middle portion of the first connecting body 510 and are respectively inserted and fixed with the frame profiles 100 disposed at two sides and shared in the middle. The first inserting portion 520 is connected to the bottom surface of the first top plate 511, the first inserting portion 520 extends out of the first top plate 511, and the pressing strip 400 is pressed on the upper side of the first inserting portion 520. The end surface of the bead 400 is abutted against the side surface of the first top plate 511 to ensure sealability. The side grooves include a first side groove 512a, the top groove includes a first top groove 511a, the first side plate 512 is provided with a first side groove 512a, the first top plate 511 is provided with a first top groove 511a, the first side groove 512a and the first top groove 511a form a ventilation channel of the first connecting piece, as shown in fig. 9, the bottom end of the first side groove 512a is communicated with the outside atmosphere. As shown in fig. 6, the arrow direction indicates the flow direction of air along the vent passage of the first connector.

The first inserting parts 520 provided at both ends of the first connecting body 510 include a first interposer 521 and a first short side plate 522 provided at one side thereof, and first slots are respectively formed between the first interposer 521 and the first side plate 512 of the first connecting body 510, and between the first interposer 521 and the first short side plate 522. The first middle insert plate 521 is inserted into the groove 110 of the frame profile 100 and fixed, and the side walls of the groove 110 are respectively inserted into the first slots at two sides and fixed. The provision of the first short side plate 522 may further increase the plugging robustness, and in other embodiments, the first short side plate 522 may be omitted.

The first inserting part 520 provided at the middle of the first connecting body 510 includes a first midplane 521 and first short side plates 522 provided at both sides thereof, and second slots are respectively formed between the first midplane 521 and the first short side plates 522 at both sides. The first middle insert plate 521 is inserted into the groove 110 of the frame profile 100 and fixed, and the side walls of the groove 110 are respectively inserted into the second slots at two sides and fixed. The first short side plate 522 disposed at the middle portion may be connected to the first short side plates 522 disposed at both sides in a 90 ° bent shape.

Specifically, the first top surface groove 511a is T-shaped, and the first top surface groove 511a is formed in a portion between the first middle insertion plate 521 and the first side plate 512 at two sides and a portion between the first middle insertion plate 521 and the first side plate 512 in the middle. A first top surface groove 511a is formed in the middle between the first middle inserting plate 521 and the first side plate 512 on the two sides, and the two end portions are used for being abutted against the frame profile 100. When the first connecting member 500 is inserted into the profile frame, because the first top surface groove 511a exists, the top surface of the frame profile 100 does not completely fit with the first top plate 511, so that the first side surface groove 512a and the first top surface groove 511a can be communicated to realize ventilation. When the first connecting member 500 is inserted into the profile frame, the rectangular areas a of the first top plate 511 disposed at both sides of the first short side plate 522 of the middle portion are pressed with the glass cover plate 200. Since the supporting bars 300 of the lower side of the glass cover plate 200 have a gap therebetween, air flowing through the first top groove 511a can communicate with the inner space of the heat collector through the gap.

Referring to fig. 11 to 12, the second connection member 600 has a structure similar to the first connection member 500, and includes a second connection body 610 and two second insertion parts 620, wherein the two second insertion parts 620 are vertically disposed and respectively inserted and fixed with the frame profile 100 at the corners of the heat collection modules at the two ends. The second connection body 610 includes a second top plate 611 and two second side plates 612, which are vertically disposed in pairs. Two second inserting parts 620 are connected with the bottom surface of the second top plate 611, and the second inserting parts 620 protrude out of the second top plate 611 for being connected with the pressing bar 400. The side grooves further include a second side groove 612a, the top groove further includes a second top groove 611a, the second side plate 612 is provided with the second side groove 612a, and the second top plate 611 is provided with the second top groove 611 a. The second side grooves 612a and the second top grooves 611a form a vent passage of the second connector. As shown in fig. 13, the bottom end of the second side groove 612a is communicated with the external atmosphere. As shown in fig. 10, the arrow direction indicates the flow direction of air along the ventilation channel of the second connector.

The second inserting part 620 includes a second middle inserting plate 621 and a second short side plate 622 disposed at one side thereof, and second slots are respectively formed between the second middle inserting plate 621 and the second side plate 612, and between the second middle inserting plate 621 and the second short side plate 622; the second middle insert plate 621 is inserted into the groove 110 of the frame profile 100 and fixed, and the side walls of the groove 110 are respectively inserted into the second slots at two sides and fixed. A second top surface groove 611a is formed in a portion between the second middle insert plate 621 and the second side plate 612 on both sides, and both end portions of the outer side of the second top surface groove are used for abutting against the frame profile 100. The second top surface groove 611a further includes a portion opened along a diagonal line of the second top plate 611. When the second connecting member 600 is inserted into the profile frame, the rectangular area B of the second top plate 611 is pressed with the glass cover plate 200. The air flowing through the second top surface groove 611a can communicate with the inner space of the heat collector through the gap between the supporting bars 300 on the lower side of the glass cover plate 200.

Further, the pressing bar 400 is connected with the frame profile 100 through a screw 700. The groove 110 of the frame profile 100 is provided with threads, and the screw 700 is arranged in the groove 110 and is matched with the threads, so that the pressing strip 400 and the frame profile 100 are pressed and fixed. A plurality of screws 700 may be disposed on the frame profile 100 to press and fix the pressing bar 400 and the frame profile 100. The connecting piece is pegged graft, and cooperation screw 700 is connected, and the equipment is convenient with the dismantlement, makes things convenient for later stage inspection and maintenance. The connection body is stretched out of the insertion part, and the pressing strip 400 is pressed on the frame profile 100 and fixed with the upper surface of the insertion part through cement gum. The bead 400 and the glass cover plate 200 are not damaged during disassembly, the sealing performance is good, and the waterproof performance is good.

In this embodiment, the connecting member is integrally formed, preferably made of plastic, and is easy to manufacture and low in cost through injection molding.

In order to improve the heat insulation effect of the heat collector, the glass cover plate 200 is preferably double-layer glass, and the glass cover plate 200 includes an upper glass plate and a lower glass plate. The support bars 300 are disposed between the upper and lower glass plates. The periphery of the upper glass plate is wrapped with a rubber pad 800 to protect the glass, and the lower ends of the supporting bars 300 can be provided with rubber pads to protect the lower glass plate when being pressed tightly.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.