CN218565780U

CN218565780U - Anti-freezing and water-tight solar heat collection device with heat collection pipes cracked

Info

Publication number: CN218565780U
Application number: CN202222995231.3U
Authority: CN
Inventors: 梁军; 马小斌; 任伟; 邵芳芳
Original assignee: Qingdao Jiashibo Smart Energy Technology Co ltd
Current assignee: Qingdao Jiashibo Smart Energy Technology Co ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-03-03
Anticipated expiration: 2032-11-10

Abstract

The utility model discloses a solar heat collecting device which can resist freezing and prevent the collector tube from cracking and leaking water, comprising a connecting box and a collector tube component which is inserted into the inner cavity of the connecting box; the heat collecting pipe assembly comprises a vacuum heat collecting pipe and an inner inserting pipe which is inserted into a non-vacuum cavity of the vacuum heat collecting pipe and can prevent frost cracking, wherein the inner inserting pipe is filled with a circulating medium, and extends out of the vacuum heat collecting pipe and extends into the connecting box. The utility model 1, when the vacuum heat collecting pipe is burst, the circulating medium (water) can not leak; 2. has frost resistance.

Description

Anti-freezing solar heat collecting device with heat collecting pipe being cracked and not leaking water

Technical Field

The utility model belongs to the technical field of solar energy collection, concretely relates to freeze proof and thermal-collecting tube explode leak-proof solar heat collection device.

Background

The solar heat collection device is used for collecting heat energy in sunlight, the existing solar heat collection device has the possibility of explosion after long-time heat collection, and when a tube body is exploded, internal circulating media leak and flow outwards to cause damage; in addition, when the pipe is used in a cold environment, the circulating medium in the pipe is frozen and expanded, and the pipe body can be cracked to form frostbite.

SUMMERY OF THE UTILITY MODEL

To the problem that the above-mentioned background art provided, the utility model aims at: aims to provide a solar heat collecting device which resists freezing and prevents water leakage caused by burst of a heat collecting tube.

In order to realize the technical purpose, the utility model adopts the following technical scheme:

a solar heat collecting device which resists freezing and prevents the explosion and water leakage of a heat collecting pipe comprises a connecting box and a heat collecting pipe assembly which is inserted into the inner cavity of the connecting box;

the heat collecting pipe assembly comprises a vacuum heat collecting pipe and an inner inserting pipe which is inserted into a non-vacuum cavity of the vacuum heat collecting pipe and can prevent frost cracking, wherein a circulating medium is filled in the inner inserting pipe, and the inner inserting pipe extends out of the vacuum heat collecting pipe and extends into the connecting box.

Further inject, it is equipped with the heat preservation to ally oneself with box outer lane, such structural design avoids the heat to run off through the heat preservation.

Further, the outer ring of the inner inserting tube is connected with the metal heat exchange fins, and the structure design is that the heat transferred to the inner inserting tube is increased through the metal heat exchange fins.

The inner inserting pipe is connected with the port of the vacuum heat collecting pipe through a first silica gel sealing element, the inner inserting pipe is connected with the connecting box through a second silica gel sealing element, and the inner inserting pipe and the connecting box are sealed through the first silica gel sealing element and the second silica gel sealing element.

The inner inserting pipe is a cone, the upper equivalent diameter of the cone is large, the lower equivalent diameter of the cone is small, the structure is designed, the upper equivalent diameter of the inner inserting pipe is large, the lower equivalent diameter of the inner inserting pipe is small, and further, the whole heat storage capacity of the lower part is at the same temperature.

Further, the inner inserting pipe is made into any one of a rhombus or an ellipse by adopting a thin-wall layer, and the thin-wall rhombus or the ellipse can relieve the expansion amount of ice by deforming when water is frozen, so that frost crack injury of the inner inserting pipe is avoided.

Further, the inner inserting pipe is composed of a high-temperature-resistant elastic non-metal layer, and due to the structural design, the inner inserting pipe can relieve the expansion amount of ice through deformation when water is frozen, and further avoids frost crack injury.

The utility model has the advantages that:

1. when the vacuum heat collecting pipe is cracked, the circulating medium cannot leak;

2. the inner inserting pipe is frost-resistant and can directly flow water.

Drawings

The present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;

FIG. 1 is a schematic structural view of an embodiment of a solar heat collection device of the present invention, which is resistant to freezing and is watertight when the heat collection tube is cracked;

the main element symbols are as follows:

1. a joint box; 11. a heat-insulating layer; 12. a second silicone sealing element;

2. a heat collecting tube assembly; 21. a vacuum heat collecting tube; 22. inserting a tube; 23. a metal heat exchange fin; 24. a first silicone sealing element.

Detailed Description

In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.

As shown in fig. 1, the solar heat collection device of the present invention, which is freeze-proof and does not leak water when the heat collection tube is cracked, comprises a connection box 1 and a heat collection tube assembly 2 extending into the inner cavity of the connection box 1;

the heat collecting pipe assembly 2 comprises a vacuum heat collecting pipe 21 and an inner inserting pipe 22 which is inserted into a non-vacuum cavity of the vacuum heat collecting pipe 21 and can prevent frost cracking, a circulating medium is filled in the inner inserting pipe 22, and the inner inserting pipe 22 extends out of the vacuum heat collecting pipe 21 and extends into the connection box 1.

Preferably, ally oneself with 1 outer lane of box and be equipped with heat preservation 11, such structural design avoids heat to run off through heat preservation 11. In fact, other structures for avoiding heat loss may be specifically contemplated depending on the particular situation.

Preferably, the inner insert tube 22 is connected to the metal heat exchanging fins 23 at the outer circumference, and the structure is designed to increase the heat transferred to the inner insert tube 22 through the metal heat exchanging fins 23. In fact, other configurations that increase the heat transfer efficiency may be specifically contemplated as appropriate.

Preferably, the inner insertion tube 22 is connected with the end of the evacuated collector tube 21 through a first silicone rubber seal 24, and the inner insertion tube 22 is connected with the joint box 1 through a second silicone rubber seal 12, so that the structure design is sealed through the first silicone rubber seal 24 and the second silicone rubber seal 12. In fact, other sealing connection configurations may be specifically contemplated as the case may be.

Preferably, the inner pipe 22 is a cone having a large equivalent diameter at the upper part and a small equivalent diameter at the lower part, and the inner pipe 22 is designed such that the upper part has a large equivalent diameter and the lower part has a small equivalent diameter, and further, the lower part is frozen first in the case of extreme cold or continuous low temperature weather which may actually occur, and the lower part is frozen gradually by transferring the expansion amount to the upper part, thereby avoiding the inner pipe 22 from being burst. In fact, other antifreeze configurations may be specifically contemplated, depending on the particular circumstances.

Preferably, the inner cannula 22 is formed in a thin-walled diamond or oval shape, and the thin-walled diamond or oval shape is designed to deform to reduce the amount of ice expansion when water freezes, thereby preventing frost damage to the inner cannula 22. In fact, other antifreeze configurations may be specifically contemplated, depending on the particular circumstances.

Preferably, the inner tube 22 is formed of a high temperature resistant elastic non-metal layer, and the inner tube 22 is configured to deform to relieve the amount of expansion of ice when water freezes, thereby preventing frost cracking damage. In fact, other antifreeze configurations may be specifically contemplated, depending on the particular circumstances.

In the implementation of the scheme, the utility model discloses there are two advantages mainly, 1. Circulation medium (water) can not leak when evacuated collector tube 21 explodes, because evacuated collector tube 21 outside only does the thermal-arrest use, circulation medium holds through interior intubate 22, after evacuated collector tube 21 explodes, intubate 22 that holds circulation medium is not influenced, therefore can prevent exploding and leaking; 2. the structure of the inner insert tube 22 has three main types, the first type is a conical body with a large upper equivalent diameter and a small lower equivalent diameter, the lower part of the inner insert tube 22 is frozen at first under the condition of the same temperature and the integral heat storage capacity of the lower part, and the expansion capacity is transmitted to the upper part and frozen gradually and sequentially under the condition of extremely cold or continuous low-temperature weather which possibly occurs actually, so that the inner insert tube 22 at the position is prevented from being burst; secondly, the inner insertion tube 22 is made into any one of a rhombus or an ellipse by adopting a thin-wall layer, and the thin-wall rhombus or the ellipse can relieve the expansion amount of ice by deforming when water is frozen, so that the inner insertion tube 22 is prevented from being damaged by frost cracking; and thirdly, the inner inserting tube 22 is composed of a high-temperature-resistant elastic non-metal layer, and when water is frozen, the expansion amount of ice is relieved through deformation, so that frost crack damage is avoided.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention shall be covered by the claims of the present invention.

Claims

1. The utility model provides an anti-freeze and heat collecting tube explodes solar heat collection device who leaks water which characterized in that: comprises a connection box (1) and a heat collecting pipe component (2) which is inserted into the inner cavity of the connection box (1);

the heat collecting pipe assembly (2) comprises a vacuum heat collecting pipe (21) and an inner inserting pipe (22) which is inserted into a non-vacuum cavity of the vacuum heat collecting pipe (21) and can prevent frost cracking, a circulating medium is filled in the inner inserting pipe (22), and the inner inserting pipe (22) extends out of the vacuum heat collecting pipe (21) and extends into the connection box (1).

2. The solar collector device of claim 1, which is freeze resistant and which is watertight from bursting of the collector tube, wherein: an insulating layer (11) is arranged on the outer ring of the connection box (1).

3. The solar collector device of claim 1, which is freeze resistant and which is watertight from bursting of the collector tube, wherein: the outer ring of the inner inserting pipe (22) is connected with a metal heat exchange fin (23).

4. The solar collector device of claim 1, which is freeze resistant and which is watertight from bursting of the collector tube, wherein: the inner inserting tube (22) is connected with the port of the vacuum heat collecting tube (21) through a first silica gel sealing element (24), and the inner inserting tube (22) is connected with the combined box (1) through a second silica gel sealing element (12).

5. The solar collector device of claim 1, which is resistant to freezing and is watertight due to cracking of the collector tube, wherein: the inner inserting tube (22) is a cone, the upper equivalent diameter of the cone is large, and the lower equivalent diameter of the cone is small.

6. The solar collector device of claim 1, which is freeze resistant and which is watertight from bursting of the collector tube, wherein: the inner inserting tube (22) is made into any one of a diamond shape or an oval shape by adopting a thin-wall layer.

7. The solar collector device of claim 1, which is resistant to freezing and is watertight due to cracking of the collector tube, wherein: the inner insert tube (22) is composed of a high temperature resistant elastic non-metal layer.