Novel flat-plate solar collector

Abstract

The utility model relates to the technical field of solar energy, and discloses a novel flat-plate solar collector which comprises a steel frame and back plate mucilage glue, a back plate body is adhered to the bottom of the interior of the steel frame, a heat preservation material is fixedly installed on the top of the back plate body, and the back plate mucilage glue is adhered to the back plate body. A plate core is fixedly installed on the top of the heat preservation material, a blue film-plated absorption coating absorption plate is fixedly installed on the outer wall face of the top of the plate core, a glass cover plate adheres to the top of the interior of the steel frame, and a back plate supporting beam is fixedly arranged at the bottom of back plate mucilage glue. According to the novel flat-plate solar collector, the steel material is high in strength and not prone to deformation, the glass cover plate and the back plate body can be pressed downwards forcibly due to the high strength of the steel material, so that the glass cover plate and the back plate body are firmly bonded, and the novel flat-plate solar collector has the advantages that bonding strength is good, firmness and reliability are achieved, the steel frame is not prone to aging and deformation, and the collector is sealed tightly; after bonding and packaging, water cannot enter the heat collector.

Description

TECHNICAL FIELD

[0001] The utility model relates to solar energy technical field especially relates to a novel flat-plate solar energy heat collector. BACKGROUND

[0002] The flat-plate solar energy water heater is the design and development of small high-rise residential supporting. The water tank is placed in balcony, roof, wall and other places. The flat-plate solar energy heat collector is placed on the balcony, window, roof and wall of the south facade of building, which makes up the regret that the traditional solar energy water heater cannot be combined with the building and environment due to congenital deficiency. The heat collector and the water tank are separated from each other, and the heat collector can be flexibly installed on the roof, skylight, balcony or wall without position limitation, achieving the integration with the high-rise building and environment. The flat-plate solar energy heat collector has been widely applied in people's daily life.

[0003] Especially in cold areas, it can meet the heating hot water engineering of a residential area or larger area, and the high-efficiency large flat plate is needed. At present, the flat-plate heat collector is all of aluminum alloy frame, and most of the aluminum frames adopt angle code and pressing. Especially, the strength of the aluminum frame of the large flat plate is insufficient, the material cost is high, the sealing is not good, the rainwater is easy to enter the interior of the heat collector, the service life of the heat collector is reduced, and the contact area with the heating plate is limited, which affects the heat absorption efficiency. CONTENT OF THE UTILITY MODEL

[0004] In view of the above-mentioned problems that the present flat-plate heat collector is all of aluminum alloy frame, most of the aluminum frames adopt angle code and pressing, especially the strength of the aluminum frame of the large flat plate is insufficient, the material cost is high, the sealing is not good, the rainwater is easy to enter the interior of the heat collector and form water vapor in the tank to cause the corrosion of the plated film metal plate in the heat absorption coating of the plate core and the corrosion of the flow channel of the plate core, the corrosion and opening of the welding point of the flow channel and the plated film heat absorption plate, the heat absorption efficiency is affected, and the service life of the heat collector is reduced, the utility model is provided.

[0005] Therefore, the utility model aims at providing a novel flat-plate solar energy heat collector, which aims at changing the frame material, improving the sealing performance, and preventing the rainwater from entering the interior of the heat collector.

[0006] To solve the above technical problems, the utility model provides the following technical scheme: a novel flat-plate solar energy heat collector, which comprises a steel frame and a back plate adhesive, the bottom of the interior of the steel frame is bonded with a back plate body, the top of the back plate body is fixedly installed with thermal insulation material, the top of the thermal insulation material is fixedly installed with a plate core, the outer wall surface of the top of the plate core is fixedly installed with a plated blue film absorption coating absorption plate, the top of the interior of the steel frame is bonded with a glass cover plate, and the bottom of the back plate adhesive is fixedly provided with a back plate joist.

[0007] The upper surface and the lower surface of the glass cover plate are provided with anti-reflection films, and the steel frame, the glass support beam, the back plate body and the back plate support beam are subjected to corrosion protection treatment.

[0008] As a preferred scheme of the novel flat-plate solar heat collector, the steel frame comprises a side frame, a top protruding edge is integrally arranged at the top edge of the side frame, a Z-shaped protruding edge is integrally arranged at the side of the top protruding edge away from the side frame, and a bottom protruding edge is integrally arranged at the bottom edge of the side frame.

[0009] As a preferred scheme of the novel flat-plate solar heat collector, the glass cover plate is bonded with glass adhesive at the outward edge of the bottom of the glass cover plate, and the glass cover plate is fixedly bonded to the transverse end of the Z-shaped protruding edge through the glass adhesive.

[0010] As a preferred scheme of the novel flat-plate solar heat collector, the back plate adhesive is bonded at the outward edge of the bottom of the back plate body, and the back plate body is fixedly bonded to the top of the bottom protruding edge through the back plate adhesive.

[0011] As a preferred scheme of the novel flat-plate solar heat collector, the glass support beam is arranged at the middle part of the interior of the steel frame and between the glass cover plate and the blue film-coated absorbing coating absorbing plate, and the bottom end of the glass cover plate is connected to the glass adhesive arranged on the upper surface of the glass support beam.

[0012] As a preferred scheme of the novel flat-plate solar heat collector, the back plate support beam comprises an outer back plate support beam and an inner back plate support beam, one of which is used for inner installation and the other of which is used for outer installation, and the outer back plate support beam and the inner back plate support beam are fixed to the back plate body through screws.

[0013] As a preferred scheme of the novel flat-plate solar heat collector, the plate core comprises two collecting pipes, one of which is used for cold water and the other of which is used for hot water, the head end of each of the collecting pipes is fixedly installed with a machine head, a plurality of flat-branch pipes are fixedly installed between the opposite surfaces of the machine heads, and the flat-branch pipe is provided with a flat end at the end close to the blue film-coated absorbing coating absorbing plate.

[0014] As a preferred scheme of the novel flat-plate solar heat collector, the flat-branch pipe comprises a concentric flat-branch pipe and an eccentric flat-branch pipe, one end of the flat-branch pipe used for liquid outlet is inserted into the inner part of the cold water collecting pipe by a distance, and hot water is smoothly discharged.

[0015] As a preferred scheme of the novel flat-plate solar heat collector, the steel frame is fixedly installed with the U-shaped joist frame connecting piece through the connecting frame screw installed thereon, the joist frame connecting piece and the connecting frame screw are fixedly installed with the joist frame screw, and the joist frame connecting piece and the connecting frame screw are fixed together through the joist frame screw.

[0016] The utility model discloses the beneficial effects of:

[0017] 1. The utility model discloses a steel frame is replaced with the original aluminum frame, and the steel material has high strength and is not easy to deform, and the frame has no deformation point, so rainwater cannot penetrate into the heat collector through the gap generated by the deformation, and the steel material has high strength, so the glass cover plate and the back plate body can be pressed down, the glass cover plate and the back plate body are firmly bonded, have good and reliable bonding strength, the steel frame is not easy to age and deform, the heat collector is tightly closed, and after bonding and packaging, water cannot enter the heat collector, has the effect of resisting corrosion, and the service life of the solar heat collector is improved.

[0018] 2. The utility model discloses a glass joist plays the role of supporting the glass cover plate, bears the stress to the glass cover plate from the middle section, avoids the glass cover plate from bearing stress in the middle part, and prevents the glass cover plate from being bent or broken under stress.

[0019] 3. The utility model discloses a flat-plate solar heat collector with a plane branch pipe composed of eccentric and concentric types, the eccentric and concentric types are provided with a blue film coated absorbing plate, the eccentric setting increases the contact area, the conduction area is increased, heat conduction is good, the material usage is reduced, the flat-plate solar heat collector has high heat absorption and low reflectivity, and has a long service life. DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor. Among them:

[0021] Figure 1 It is the whole structure schematic diagram of the novel flat-plate solar heat collector of the utility model.

[0022] Figure 2 It is the cross section structure schematic diagram of the external joist state of the novel flat-plate solar heat collector of the utility model.

[0023] Figure 3 It is the cross section structure schematic diagram of the internal joist state of the novel flat-plate solar heat collector of the utility model.

[0024] Figure 4 It is a sectional structure schematic view of the steel frame of the novel flat-plate solar heat collector.

[0025] Figure 5 It is a structure schematic view of the plate core flow channel of the novel flat-plate solar heat collector.

[0026] Figure 6 It is a structure schematic view of the eccentric flat-plate branch pipe of the novel flat-plate solar heat collector.

[0027] Figure 7 It is a structure schematic view of the concentric flat-plate branch pipe of the novel flat-plate solar heat collector.

[0028] Figure 8 It is a structure schematic view of the glass roof beam and the steel frame of the novel flat-plate solar heat collector.

[0029] Mark explanation:

[0030] 1, steel frame; 101, side frame; 102, bottom flange; 103, top flange; 104, Z-shaped flange; 2, glass cover plate; 3, glass adhesive; 4, blue film coated absorption coating absorption plate; 5, plate core; 51, header; 52, shutdown head; 53, flat-plate branch pipe; 6, glass roof beam; 61, roof beam frame connecting piece; 62, connecting frame screw; 63, roof beam frame screw; 7, outer back plate roof beam; 8, back plate adhesive; 9, back plate body; 10, thermal insulation material; 11, inner back plate roof beam. Specific implementation

[0031] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific implementation of the utility model is described in detail below with reference to the drawings of the specification.

[0032] Reference Figures 1-8 , the first embodiment of the utility model provides a kind of novel flat-plate solar heat collector, this one kind of novel flat-plate solar heat collector, including steel frame 1 and back plate adhesive 8, the bottom of the inside of steel frame 1 is bonded with back plate body 9, the top of back plate body 9 is fixedly installed with thermal insulation material 10, the top of thermal insulation material 10 is fixedly installed with plate core 5, plate core 5 top outer wall surface is fixedly installed with blue film coated absorption coating absorption plate 4, the top of the inside of steel frame 1 is bonded with glass cover plate 2, the bottom of back plate adhesive 8 is fixedly provided with back plate roof beam;

[0033] The upper surface and the lower surface of the glass cover plate 2 are provided with anti-reflection film steel frames 1, glass joists 6, back plate bodies 9 and back plate joists which are all subjected to corrosion protection treatment. The original aluminum frame is replaced by the steel frame 1 which has high strength and is not easy to deform. The frame has no deformation point, so rainwater cannot penetrate into the collector through the gap generated by the deformation.

[0034] The steel frame 1 comprises side frames 101, the top edges of the side frames 101 are integrally provided with top convex edges 103, the side away from the side frame 101 is integrally provided with a Z-shaped convex edge 104, and the bottom edges of the side frames 101 are integrally provided with bottom convex edges 102.

[0035] The outer edge of the bottom of the glass cover plate 2 is bonded with glass adhesive 3, and the glass cover plate 2 is bonded and fixed on the transverse end of the Z-shaped convex edge 104 through the glass adhesive 3.

[0036] The outer edge of the bottom of the back plate body 9 is bonded with back plate adhesive 8, and the back plate body 9 is bonded and fixed on the top of the bottom convex edge 102 through the back plate adhesive 8.

[0037] The glass cover plate 2 is bonded on the transverse end of the Z-shaped convex edge 104 through the glass adhesive 3, and the back plate body 9 is bonded on the top of the bottom convex edge 102 through the back plate adhesive 8. Since the steel material has high strength, the glass cover plate 2 and the back plate body 9 can be pressed down, so that the glass cover plate 2 and the back plate body 9 are firmly bonded, have good and reliable bonding strength, the steel frame 1 is not easy to age and deform, the collector is tightly sealed, water cannot enter the collector after bonding and packaging, has corrosion resistance effect, and improves the service life of the solar collector.

[0038] The glass joist 6 is installed between the glass cover plate 2 and the blue film coated absorption coating absorption plate 4 in the middle of the steel frame 1, and the bottom end of the glass cover plate 2 is bonded and connected with the glass adhesive 3 arranged on the upper surface of the glass joist 6. The glass joist 6 plays a supporting role for the glass cover plate 2, and the glass cover plate 2 is stressed from the middle, so as to avoid the glass cover plate 2 being stressed in the middle and prevent the glass cover plate 2 from being bent or broken.

[0039] The back plate joist is composed of an outer back plate joist 7 and an inner back plate joist 11, one for inner installation and one for outer installation, suitable for different installation requirements, and the back plate joist 7 and the inner back plate joist 11 are both fixed on the back plate body 9 by screws.

[0040] The plate core 5 comprises two headers 51, one for cold water and one for hot water, the head ends of the headers 51 are fixedly installed with machine heads 52, and a plurality of flat branch pipes 53 are fixedly installed between the opposite surfaces of the two machine heads 52, and the flat branch pipes 53 are provided with flat end portions close to the blue film coated absorption coating absorption plate 4.

[0041] The flat surface branch pipe 53 is composed of concentric and eccentric types, one end of the flat surface branch pipe 53 for outlet liquid is inserted into the interior of the cold water collecting pipe 51 by a distance, the liquid inlet is stable, the water flow is buffered, the hot water outlet is smooth, and synchronous water outlet can be achieved, the flat surface branch pipe 53 is composed of eccentric and concentric types, the eccentric and concentric types are composed of the blue film plating absorption coating absorption plate 4, the eccentric setting increases the contact area, and the conduction area is increased, the heat conduction is good, the material usage is reduced, the heat cycle of the flat plate solar collector is good, the absorption rate is high, the reflectivity is low, and the service life is long.

[0042] The steel frame 1 is fixedly installed with the U-shaped joist frame connecting piece 61 through the connecting frame screw 62 installed thereon, and the glass joist 6 is located in the inner cavity of the joist frame connecting piece 61, the joist frame connecting piece 61 and the connecting frame screw 62 are fixedly installed with the joist frame screw 63 therebetween, and the joist frame connecting piece 61 and the connecting frame screw 62 are fixed together through the joist frame screw 63.

[0043] In the use process, the steel frame 1 treated by the corrosion prevention process replaces the original aluminum frame, the steel material has high strength and is not easy to deform;

[0044] In addition, the glass cover plate 2 is bonded on the transverse end of the Z-shaped convex edge 104 through the glass adhesive 3, and the back plate body 9 is bonded on the top of the bottom convex edge 102 through the back plate adhesive 8, due to the high strength of the steel material, the glass cover plate 2 and the back plate body 9 can be pressed down, so that the glass cover plate 2 and the back plate body 9 are firmly bonded and sealed.

[0045] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, and they should be covered in the scope of the claims of the present application.

Claims

1. A new type of flat-plate solar collector comprising a steel border (1) and a backsheet adhesive (8), characterized in that: The bottom of the steel frame (1) is bonded with a back plate body (9), the top of the back plate body (9) is fixedly installed with a heat preservation material (10), the top of the heat preservation material (10) is fixedly installed with a plate core (5), the outer wall surface of the top of the plate core (5) is fixedly installed with a blue film coated absorption coating absorption plate (4), the top of the inside of the steel frame (1) is bonded with a glass cover plate (2), and the bottom of the back plate adhesive (8) is fixedly provided with a back plate support beam. The upper surface and the lower surface of the glass cover plate (2) are coated with an anti-reflection film, and the steel frame (1), the glass support beam (6), the back plate body (9) and the back plate support beam are all subjected to corrosion prevention treatment.

2. A novel flat plate solar thermal collector as claimed in claim 1, wherein: The steel frame (1) comprises a side frame (101), the top edge of the side frame (101) is integrally formed with a top convex edge (103), the side away from the side frame (101) of the top convex edge (103) is integrally formed with a Z-shaped convex edge (104), and the bottom edge of the side frame (101) is integrally formed with a bottom convex edge (102).

3. A novel flat plate solar thermal collector as claimed in claim 2, characterized in that: The outward edge of the bottom of the glass cover plate (2) is bonded with a glass adhesive (3), and the glass cover plate (2) is bonded and fixed to the transverse end of the Z-shaped convex edge (104) through the glass adhesive (3).

4. A novel flat plate solar thermal collector as claimed in claim 3, characterized in that: The outward edge of the bottom of the back plate body (9) is bonded with a back plate adhesive (8), and the back plate body (9) is bonded and fixed to the top of the bottom convex edge (102) through the back plate adhesive (8).

5. A novel flat plate solar thermal collector as claimed in claim 4, characterized in that: A glass support beam (6) is installed in the middle of the inside of the steel frame (1) and between the glass cover plate (2) and the blue film coated absorption coating absorption plate (4), and the bottom end of the glass cover plate (2) is bonded and connected with the glass adhesive (3) arranged on the upper surface of the glass support beam (6).

6. A novel flat plate solar thermal collector as claimed in claim 5, characterized in that: The back plate support beam is composed of an outer back plate support beam (7) and an inner back plate support beam (11), one for internal installation and one for external installation, and the outer back plate support beam (7) and the inner back plate support beam (11) are both fixed on the back plate body (9) through screws.

7. A novel flat plate solar thermal collector as claimed in claim 6, characterized in that: The plate core (5) comprises two headers (51), one for cold water and one for hot water, the head end of the header (51) is fixedly installed with a machine head (52), a plurality of flat branch pipes (53) are fixedly installed between the opposite surfaces of the two machine heads (52), and the flat end of the flat branch pipe (53) close to the blue film coated absorption coating absorption plate (4) is provided with a flat end.

8. A novel flat plate solar thermal collector as claimed in claim 7, characterized in that: The flat branch pipe (53) is composed of concentric and eccentric, and one end of the flat branch pipe (53) for liquid outlet is inserted into the inside of the cold water header (51) by a distance.

9. A novel flat plate solar thermal collector as claimed in claim 8, characterized in that: The steel frame (1) is fixedly installed with a U-shaped support beam frame connecting piece (61) through the connecting frame screw (62) installed thereon, the support beam frame connecting piece (61) and the connecting frame screw (62) are fixedly installed with a support beam frame screw (63), and the support beam frame connecting piece (61) and the connecting frame screw (62) are fixed together through the support beam frame screw (63).

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