CN201772643U

CN201772643U - Straight-pipe type solar thermal collector

Info

Publication number: CN201772643U
Application number: CN2010202914071U
Authority: CN
Inventors: 张信荣; 李辉忠; 杜培俭
Original assignee: SHAOXING INSTITUTE OF TECHNOLOGY COLLEGE OF ENGINEERING PKU
Current assignee: SHAOXING INSTITUTE OF TECHNOLOGY COLLEGE OF ENGINEERING PKU
Priority date: 2010-08-13
Filing date: 2010-08-13
Publication date: 2011-03-23
Anticipated expiration: 2020-08-13

Abstract

The utility model relates to a straight-pipe type solar thermal collector, belonging to the field of application of solar energy. The solar thermal collector mainly comprises a header shell, a thermal insulation layer, a main pipe, a plurality of parallel branch pipes, a plurality of aluminum wing pipes, a plurality of all-glass evacuated solar collector tubes, a framework, a tail bed and a tailstock; the straight-pipe type solar thermal collector is characterized in that each branch pipe is a straight pipe with n closed end; the main pipe is a straight pipe which is provided with a closed end and a plurality of holes on the pipe wall; each branch pipe is communicated with the all-glass evacuated solar collector tubes by the holes; each branch pipe is internally provided with an internal division bar which divides the branch pipe into two lengthwise parts; one end of the internal division bar keeps a certain distance away from the closed end of the branch pipe; the other end of the internal division bar is inserted into the main pipe and transversely partitions the main pipe; and a division bar is inserted into the main pipe and divides the main pipe into two inner chambers which are respectively communicated with two holes of the inner chamber of the branch pipe. The straight-pipe type solar thermal collector can reduce the consumption of metal materials and is simple in manufacture, thus reducing the cost. The straight-pipe type solar thermal collector is particularly suitable for single-family homes and can be popularized and used on a large scale.

Description

Straight pipe type solar heat collector

Technical Field

The utility model belongs to the solar energy application, in particular to a heat collector solar collector (for short heat collector) suitable for adopt pump forced heat collection circulation system to use.

Background

The current heat collector is mainly divided into a pressure-bearing type and a non-pressure-bearing type according to whether the heat collector bears pressure during operation. Generally, the pressure-bearing heat collector is installed in the all-glass evacuated collector tube by adopting a metal heat pipe or a U-shaped pipe and an aluminum wing, and heat in the all-glass evacuated collector tube is taken out through heat exchange.

A commonly used U-tube heat collector is shown in fig. 1, and mainly comprises a header shell 11, a heat insulation layer 12, a metal main tube 13, a plurality of branch tubes 14 arranged in parallel, a plurality of aluminum wings 15, an all-glass evacuated collector tube 16, a frame 17, a tail stock 18 and a tail stock 19; the main pipe 13 is two metal pipes which are arranged in parallel, the main pipe is arranged in a heat insulation layer in the header shell 11, one end of each metal pipe is closed, the branch pipe 14 is a U-shaped pipe with two ports, the two metal main pipes 13 are perpendicular to the branch pipe 14, the pipe walls of the two metal main pipes are respectively provided with a plurality of holes which are respectively communicated with two ends of each branch pipe 12, the aluminum wings 15 are sleeved outside the branch pipes 14 and then inserted into the all-glass vacuum pipes 16, the header shell 11 and the tail frame 19 are respectively fixed at two ends of the frame 17, and the tail seat 18 is arranged on the tail frame 19 and used for supporting the all-glass vacuum heat collecting; the aluminum fins 15 contact the inner wall of the all-glass vacuum tube 16 so that the branch tube 14 conducts out the heat collected by the all-glass vacuum tube. Because a plurality of branch pipes bent into a U shape are adopted in the U-shaped pipe heat collector, the design causes the consumption of metal materials to be larger and the cost to be higher, and particularly, the U-shaped pipe heat collector is difficult to popularize and use on a large scale for single family.

Disclosure of Invention

The utility model discloses a main objective is for overcoming the weak point of having the heat collector, designs a novel solar collector, can its manufacturing cost of greatly reduced when keeping original product efficiency.

The utility model relates to a solar heat collector, which mainly comprises a header shell, a heat preservation layer, a main pipe, a plurality of parallel branch pipes, a plurality of aluminum wing pipes, a plurality of all-glass evacuated solar collector tubes, a frame, a tailstock and a tailstock; the main pipe is arranged in the heat-insulating layer in the header shell, the main pipe is vertical to the branch pipe, and the aluminum wing pipe is sleeved outside the branch pipe, inserted into the all-glass vacuum pipe and contacted with the inner wall of the all-glass vacuum pipe; the header shell and the tail frame are respectively fixed at two ends of the frame, the tail seat is arranged on the tail frame, and one end of the all-glass evacuated collector tube is arranged on the tail seat; the solar vacuum heat collecting tube is characterized in that the branch tubes are straight tubes with one closed ends, the main tube is a straight tube with one closed end and a plurality of holes formed in the tube wall, and each branch tube is communicated with the all-glass vacuum heat collecting tube through the hole; an inner division bar is arranged in each branch pipe, the inner division bar divides the branch pipe into two longitudinal parts, and one end of the inner division bar is separated from the closed end of the branch pipe by a distance; the main pipe is provided with a parting strip which divides the inner cavity of the main pipe into two longitudinal cavities, and the two cavities are respectively communicated with the two ports of the branch pipe divided by the parting strip through the hole on the pipe wall of the main pipe.

The utility model discloses a characteristics and beneficial effect:

the utility model discloses a be responsible for in the heat collector for a both ends straight-through tubular metal resonator, a plurality of holes that can with branch connection on it again equidistant distribution, its inner chamber is divided into two independent cavitys separately by a parting bead. The branch pipe is a plurality of metal pipes with one closed end, the opening end of the branch pipe is communicated with the inner cavity of the main pipe, a partition strip with a plane perpendicular to the axis of the main pipe is arranged in the branch pipe along the axial direction of the branch pipe and dividing the branch pipe into two paths, the partition strip extends into the inner cavity of the main pipe and is overlapped with the partition strip of the inner cavity of the main pipe, so that two separated cavities in the branch pipe are respectively communicated with two cavities in the main pipe, and liquid flowing through the branch pipe can respectively flow into the branch pipe in the main pipe and be gathered and flow out from the.

The utility model discloses the structure can reduce metal material consumption, simple manufacture to reduce cost, the single family of specially adapted can popularize and use on a large scale.

Drawings

FIG. 1 is a schematic view of a conventional heat collector; wherein,

figure 1a is a schematic view of the overall structure,

FIG. 1b is a schematic view showing the internal structure of the collector of FIG. 1a, showing the connection structure of the main pipe and the branch pipe inside the header housing,

FIG. 1c is a sectional view taken along line A-A of FIG. 1a, showing a connection structure of a main pipe and a branch pipe of the heat collector.

FIG. 2 is a schematic view of the heat collector of the present invention; wherein,

figure 2a is a schematic view of the overall structure,

FIG. 2b is a schematic view showing the internal structure of the collector of FIG. 2a, showing the connection structure of the main pipe and the branch pipe inside the header housing,

FIG. 2c is a sectional view taken along line A-A of FIG. 2a, showing the connection structure of the main pipe and the branch pipe of the collector.

Detailed Description

The utility model relates to a solar heat collector combines attached drawing and embodiment detailed description as follows:

the embodiment of the solar heat collector of the utility model has a structure as shown in fig. 2, and mainly comprises a header shell 21, a heat-insulating layer 22, a main pipe 23, a plurality of branch pipes 24 arranged in parallel, a plurality of aluminum wings 25, a plurality of full-glass vacuum pipes 26, a frame 27, a tail seat 28 and a tail frame 29; the main pipe 23 is arranged in the heat insulation layer 22 in the header shell 21, the main pipe 23 is perpendicular to the branch pipe 24, the aluminum wing pipe 25 is sleeved outside the branch pipe 24 and then inserted into the all-glass vacuum pipe 24, the header shell 21 and the tail frame 29 are respectively fixed at two ends of the frame 27, the tail seat 28 is arranged on the tail frame 29, and one end of the all-glass vacuum heat collecting pipe 26 is arranged on the tail seat 28; the device is characterized in that the branch pipe 24 is a straight pipe with one closed end, the main pipe is a straight pipe with one closed end and a plurality of holes on the pipe wall, each hole of the main pipe is communicated with each branch pipe, an inner partition bar 241 is arranged in each branch pipe, the inner partition bar divides the branch pipe into two parts in the longitudinal direction, and one end of each inner partition bar is separated from the closed end of each branch pipe by a distance; the main pipe is provided with a parting bead 231 which divides the inner cavity of the main pipe into two longitudinal cavities which are respectively communicated with two ports of the branch pipe divided by the parting bead through the hole of the pipe wall of the main pipe.

The utility model is characterized in that the main pipe 23 in the heat collector forms a parallel structure with the passage in each heat collecting pipe under the action of the main pipe inner partition strip 231 and the branch pipe 24 in the branch pipe inner partition strip 241. So that the liquid can flow continuously within the collector.

Claims

1. A solar heat collector mainly comprises a header shell, a heat-insulating layer, a main pipe, a plurality of parallel branch pipes, a plurality of aluminum wing pipes, a plurality of all-glass evacuated solar collector tubes, a frame, a tailstock and a tailstock; the main pipe is arranged in the heat-insulating layer in the header shell, the main pipe is vertical to the branch pipe, and the aluminum wing pipe is sleeved outside the branch pipe, inserted into the all-glass vacuum pipe and contacted with the inner wall of the all-glass vacuum pipe; the header shell and the tail frame are respectively fixed at two ends of the frame, the tail seat is arranged on the tail frame, and one end of the all-glass evacuated collector tube is arranged on the tail seat; the solar vacuum heat collecting tube is characterized in that the branch tubes are straight tubes with one closed ends, the main tube is a straight tube with one closed end and a plurality of holes formed in the tube wall, and each branch tube is communicated with the all-glass vacuum heat collecting tube through the hole; an inner division bar is arranged in each branch pipe, the inner division bar divides the branch pipe into two longitudinal parts, and one end of the inner division bar is separated from the closed end of the branch pipe by a distance; the main pipe is internally provided with a parting bead which divides the inner cavity of the main pipe into two longitudinal cavities, and the two cavities are respectively communicated with the two ports of the branch pipe divided by the parting bead through the hole on the pipe wall of the main pipe.