CN201407832Y - Solar collectors - Google Patents

Abstract

The utility model provides a solar heat collector, which comprises a water inlet main pipe, a water outlet main pipe, a plurality of heat-transferring copper pipes which are connected between the water inlet main pipe and the water outlet main pipe, and heat absorbing fins which are connected on the heat-transferring copper pipe, wherein the heat absorbing fins are ladder-shaped heat-absorbing fins, the ladder-shaped heat-absorbing fins are formed through pressing two aluminum alloy plates arranged on the upper and the lower sides of the heat-transferring copper pipes by a special-purpose die,the shaped heat-absorbing fins pack the heat-transferring copper pipes inside, ladder-shaped structures are formed between two adjacent copper pipes and the external side of the edge copper pipe, anda heat-absorbing coating is coated on both the upper and the lower surfaces of the ladder-shaped heat-absorbing fins. The solar heat collector of the utility model realizes the aim of improving the heat collecting power, and effectively increasing the heat collecting area and the heat collecting quantity. Compared with an existing flat solar heat collector, the heat collecting area is increased by 8.35% and the heat collecting quantity is improved by 98W under the condition of the same appearance dimension and sunlight.

Description

Solar collectors

technical field

The utility model relates to a solar heat collecting device, in particular to a solar heat collector.

Background technique

Solar collectors generally include water inlet pipes, water outlet pipes, heat transfer copper pipes connected between water inlet pipes and water outlet pipes, heat absorbing fins connected to heat transfer copper pipes, and frames, insulation layers, and glass covers. plate. The heat-absorbing fins of solar heat collectors in the prior art are generally planar structures, and the time of being irradiated by the sun every day is relatively short, especially the time of being directly irradiated by the sun is relatively short. This has caused problems such as poor heat collection effect and short heat collection time, and the utilization rate of solar energy is low.

Utility model content

The purpose of this utility model is to provide a solar heat collector with a new structure in order to solve the problem of low utilization rate of solar energy of the prior art solar heat collector.

In order to achieve the above purpose, the utility model adopts the following technical solutions: a solar collector, including a water inlet main pipe, a water outlet main pipe, a plurality of heat transfer copper pipes connected between the water inlet main pipe and the water outlet main pipe, and connected to the Heat-absorbing fins on the heat-transfer copper tube; it is characterized in that the heat-absorbing fins are stepped heat-absorbing fins, which are formed by two pieces of aluminum placed on the upper and lower sides of the heat-transfer copper tube. The alloy plate is pressed and formed by a special mold, and the formed heat-absorbing fins wrap the heat-transfer copper tube inside, and form a terraced structure between two adjacent copper tubes and on the outside of the edge copper tube. The upper and lower sides of the fins are coated with a heat absorbing coating.

The terraced structure between two adjacent copper tubes includes a top panel and two inclined panels symmetrically connected to both sides of the top panel, and the angle between the inclined panel and the top panel is an obtuse angle.

The terraced structure on the outer side of the edge copper tube includes a top panel and an inclined panel connected inside the top panel, and the angle between the inclined panel and the top panel is an obtuse angle.

The included angle between the inclined plate and the top plate is 100-150 degrees.

The solar heat collector of the utility model achieves the purpose of increasing the heat collecting power, and effectively increases the heat collecting area and the heat collecting amount. Under the same external dimensions and sunshine conditions, compared with the existing flat-plate solar collectors, the heat collecting area is increased by 8.35%, and the collected heat is increased by 98W.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the utility model solar heat collector;

Fig. 2 is a partial structural diagram of the utility model.

Detailed ways

Referring to Fig. 1 and Fig. 2, the solar heat collector of the present utility model includes a water inlet main pipe 1, a water outlet main pipe 2, a plurality of heat transfer copper pipes 3 connected between the water inlet main pipe and the water outlet main pipe, and heat transfer copper pipes connected between the water inlet main pipe and the water outlet main pipe. The heat-absorbing fins 4 on the tube, as well as the frame 5, the insulation layer 6, and the glass cover plate 7.

Referring to Fig. 2, the heat-absorbing fin 4 in the utility model is a terrace-shaped heat-absorbing fin, and the terrace-shaped heat-absorbing fin is pressed by two aluminum alloy plates arranged on the upper and lower sides of the heat transfer copper tube through a special mold Forming, the formed heat-absorbing fins wrap the heat transfer copper pipe 3 inside, and form a terraced structure 41 between two adjacent copper pipes, and form a terraced structure 42 on the outside of the edge copper pipe. The upper and lower surfaces of the heat-absorbing fins are coated with a heat-absorbing coating (not shown). Wherein, the terraced structure 41 between two adjacent copper tubes includes a top panel and two inclined panels symmetrically connected to both sides of the top panel, and the angle between the inclined panel and the top panel is an obtuse angle. The terraced structure 42 on the outer side of the edge copper tube includes a top panel and an inclined panel connected inside the top panel, and the angle between the inclined panel and the top panel is an obtuse angle. The angle between the inclined panel and the top panel is 100-150 degrees.

When the solar heat collector of the utility model is in use, a plurality of such heat collectors can be connected side by side and connected in series, and the single heat cycle technology is adopted to absorb solar energy, which can effectively save 30% of electricity charges required for cyclic heat collection.

Claims (4)

1. A solar heat collector, comprising a water inlet main pipe, a water outlet main pipe, a plurality of heat transfer copper tubes connected between the water inlet main pipe and the water outlet main pipe, and heat-absorbing fins connected to the heat transfer copper pipes; its characteristics It is: the heat-absorbing fins mentioned above are terrace-shaped heat-absorbing fins, which are pressed and formed by two aluminum alloy plates arranged on the upper and lower sides of the heat-transfer copper tube through a special mold, and the formed heat-absorbing fins The heat fins wrap the heat transfer copper tubes inside, and form a terraced structure between two adjacent copper tubes and the outside of the edge copper tubes. The upper and lower sides of the terraced heat-absorbing fins are coated with a layer of heat-absorbing coating. 2. The solar heat collector according to claim 1, characterized in that: the terraced structure between two adjacent copper tubes comprises a top panel and two inclined panels symmetrically connected on both sides of the top panel , the angle between the inclined plate and the top plate is an obtuse angle. 3. The solar heat collector according to claim 1, characterized in that: the terraced structure on the outside of the edge copper tube includes a top panel and an inclined panel connected to the inner side of the top panel, and the gap between the inclined panel and the top panel is The angle between them is an obtuse angle. 4. The solar heat collector according to claim 2 or 3, characterized in that: the angle between the inclined plate and the top plate is 100-150 degrees.

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