CN201476336U

CN201476336U - Straight-through vacuum sleeve type solar heat collector

Info

Publication number: CN201476336U
Application number: CN2009201640090U
Authority: CN
Inventors: 王徽民; 王宁
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-07-14
Filing date: 2009-07-14
Publication date: 2010-05-19
Anticipated expiration: 2019-07-14

Abstract

The utility model discloses a straight-through vacuum sleeve type solar heat collector which is composed of double-layer transparent glass straight-through pipe, a medium heating pipe, heat insulation sealing rings and an air pressure balancing opening, wherein the double-layer transparent glass straight-through vacuum pipe is eccentric pipes which are pumped to vacuum between two layers. The medium heating pipe is manufactured by the medium material with high heat conductivity coefficient and is equipped in the inner pipe of the double-layer transparent glass straight-through vacuum pipe. The length of the medium heating pipe is larger than that of the straight-through pipe. The two ends are pipe joints which can be used for performing pipe connection. The heat insulation sealing rings are equipped to two ends of the straight-through pipe. A clearance between the straight-through vacuum pipe and the end of the heating pipe is sealed. The air pressure balancing opening is a thin tubular channel which is provided at the heat insulation sealing ring at a random end. The straight-through vacuum sleeve type solar heat collector reduces the cost of solar heat collection, can realize the operation of the heated medium strip, greatly expands the technical approach in converting and utilizing solar energy, and pushes the development of solar energy technology.

Description

Straight-through vacuum extension-type solar heat collector

Technical field

The utility model relates to a kind of solar thermal collector, particularly relates to a kind of straight-through vacuum extension-type solar heat collector.

Prior art

The utilization of solar energy has caused the great attention of the whole society.And the collection switch technology of solar energy is the core technology of most critical, up to the present, except that the solar panel of costliness directly is converted to the electric energy, mainly is to adopt solar water heater, and by widespread usage.The collection conversion of its heat energy is state-of-the-art mode with the single port vacuum heat collection pipe still.But, because it is actually a single port container that can absorb heat, there are a lot of defectives, such as: the discontinuity artificial recharge can only be leaned on; Must be installed in the position that is higher than the user, thereby restricted by site condition; When being used for the large-sized solar engineering, the combination difficulty, and must rely on the water pump conveying; Because the thermal conductivity factor of glass is little, the unordered flow regime of water in pipe in addition, heat exchange efficiency is low; Because of can only normal pressure work causing heated medium single, can't be used for expanding widely solar energy and utilize approach; When surperficial heat-soak treatment is carried out in the thermal-collecting tube manufacturing, easily cause environmental pollution etc.In a word, existing heat collection technology has seriously limited further developing of solar energy utilization.

Summary of the invention

In view of this, the purpose of this utility model provides a kind of telescopic solar thermal collector of straight-through vacuum that overcomes the prior art defective.

The purpose of this utility model will and be described by following detailed description and further represent.

A kind of straight-through vacuum extension-type solar of the utility model heat collector, its design feature is: double-layer transparent glass straight-through vacuum pipe be two-layer between the concentric pipe of vacuum pumping, the medium heating tube selects for use the high dielectric material of thermal conductivity factor to make, be loaded on pipe inside in the double-layer transparent glass straight-through vacuum pipe, its length is than straight-through pipe range, two ends are for carrying out the interface tube that pipeline connects, the sealing heat insulation loop is contained in straight pipe two-port place, with the clearance seal between straight-through vacuum pipe and the heating tube end, the air pressure balance mouth is positioned at a very thin tubular conduit on the sealing heat insulation loop of any end.

Its operation principle is: sunshine shines on the medium heating tube by transparent straight-through vacuum glass tube, absorb heat through medium heating tube outer surface black heat-sink shell, by the tube wall of high thermal conductivity coefficient with the medium in the heat transferred pipe, because the not only high printing opacity of glass tube with vacuum but also high heat insulation, the heat energy that the medium heating tube absorbs are not are not scattered and disappeared; According to user's heat demand and place characteristics, with its arbitrarily with string, and or string and shared mode be combined into the solar thermal collector (station) of random scale.

Advance of the present utility model is:

1. owing to the pressure-bearing feature of medium heating tube, after running water directly was connected, the user can directly use hot water by running water as with, need not artificial special water filling, saved the transmitting power power consumption simultaneously;

2. must high-orderly not install, can make full use of various places and install;

3. because this solar energy heat collection pipe is the direct piping formula, heated medium is in by import all the time to the self-loopa state that the outlet one-dimensional order flows, so medium and tube wall all keep the relatively-stationary temperature difference at each position, improves heat transfer efficiency greatly.

4. can carry out series, parallel, string and multiple mode such as shared arbitrarily, be equal to pipeline the same solar energy heating station that is combined into random scale easily is installed, provide the core technology support for utilizing solar energy on a large scale;

5. the diversity that adapts to medium can be expanded the technological approaches of solar energy conversion using greatly, promotes the great development of heliotechnics;

6. the environmental pollution that the spraying of tube-surface chemistry causes in avoiding carrying out in the existing single port thermal-collecting tube manufacture process.

Description of drawings

Fig. 1 is the structural representation of the utility model straight-through vacuum extension-type solar heat collector.

Among the figure: symbol 1 is represented the medium heating tube; Symbol 2 is represented pipe joint; Symbol 3 is represented the straight-through vacuum glass tube; Symbol 4 is represented the vacuum chamber of straight-through vacuum glass tube; Symbol 5 is represented vacuum-pumping and sealing; Symbol 6 is represented the heat-insulating and sealing ring of upper end; Symbol 7 is represented the heat-insulating and sealing ring of lower end; Symbol 8 is represented the air pressure balance mouth.

The specific embodiment

Below in conjunction with drawings and Examples the utility model is described further.

As shown in the figure, a kind of straight-through vacuum extension-type solar heat collector of the present utility model, it is by the double-layer transparent glass straight pipe, the medium heating tube, the heat-insulating and sealing ring, the air pressure balance mouth is formed, wherein, the double-layer transparent glass straight pipe be two-layer between the concentric pipe of vacuum pumping, the medium heating tube selects for use the high medium of thermal conductivity factor to make, be loaded on the interior pipe inside of double-layer transparent glass straight pipe, its length is than straight-through pipe range, two ends are for carrying out the interface tube that pipeline connects, the sealing heat insulation loop is contained in straight pipe two-port place, with the clearance seal between straight pipe and the heating tube end, the air pressure balance mouth is positioned at a very thin tubular conduit on the sealing heat insulation loop of any end.

Claims

1. straight-through vacuum extension-type solar heat collector, by the double-layer transparent glass straight pipe, the medium heating tube, the heat-insulating and sealing ring, the air pressure balance mouth is formed, it is characterized in that: double-layer transparent glass straight-through vacuum pipe be two-layer between the concentric pipe of vacuum pumping, the medium heating tube selects for use the high dielectric material of thermal conductivity factor to make, be loaded on pipe inside in the double-layer transparent glass straight-through vacuum pipe, its length is than straight-through pipe range, two ends are for carrying out the interface tube that pipeline connects, the sealing heat insulation loop is contained in straight pipe two-port place, with the clearance seal between straight-through vacuum pipe and the heating tube end, the air pressure balance mouth is a very thin tubular conduit that is positioned on the sealing heat insulation loop of any end.