CN214406534U

CN214406534U - Heat collecting device for preventing heat collecting pipe from being damaged and leaking in solar water heating system

Info

Publication number: CN214406534U
Application number: CN202120468117.8U
Authority: CN
Inventors: 冯海华; 陈涛
Original assignee: Individual
Current assignee: Shenzhen Meishidun New Energy Co ltd
Priority date: 2021-03-04
Filing date: 2021-03-04
Publication date: 2021-10-15
Anticipated expiration: 2031-03-04

Abstract

The utility model relates to the technical field of solar water heating, in particular to a heat collecting device for preventing heat collecting pipes from being damaged and leaking in a solar water heating system, which comprises a header and heat collecting pipes, wherein the two ends of the header are communicated and provided with water pipe joints, the inner cavity of the header is provided with a polyurethane heat insulating layer, the inner cavity of the polyurethane heat insulating layer is provided with a header inner container, the bottom of the header is provided with a plurality of openings, the bottom of the openings is provided with a dustproof ring, the upper ends of the openings are provided with opening curling edges, the top of the openings is provided with a silica gel ring, the top of the silica gel ring is spliced with a water isolating device, the water isolating device comprises a water isolating sleeve, the bottom of the water isolating sleeve is provided with a water isolating insert block, the top of the heat collecting pipes is provided with heat collecting pipe heads, the heat collecting pipe heads are arranged in the inner cavity of the water isolating device, the lower ends of the heat collecting pipes are provided with tail pipe support supports, the lower ends of the heat collecting pipes are arranged in the tail support inner cavity, the utility model can avoid the heat collecting pipes from being cracked caused by thermal expansion and cold contraction, and can avoid the water in the header inner container from flowing out when the heat collecting pipe is broken.

Description

Heat collecting device for preventing heat collecting pipe from being damaged and leaking in solar water heating system

Technical Field

The utility model relates to a solar water heating technology field specifically is a prevent that thermal-collecting tube from damaging the heat collector who leaks among solar water heating system.

Background

The most common solar water heating equipment in the market is equipment for storing water in a heat collecting pipe, and the operation principle is that when the equipment is installed, the heat collecting pipe is placed at a certain angle, according to different products, generally 5 degrees or 45 degrees, by utilizing the heat circulation principle, hotter water flows upwards, and colder water flows downwards, so that the purpose of concentrating hot water is achieved, hot water is stored by forced circulation or the capacity of a water tank is increased, but when the existing solar water heating equipment is used, water in a header is directly contacted with the heat collecting pipe, when the water temperature fluctuation is large, the heat collecting pipe is easy to break under the action of thermal expansion and cold contraction, when a vacuum layer of the heat collecting pipe is damaged, the heat preservation performance of the heat collecting pipe is linearly reduced, when the air temperature is extremely low, the heat collecting pipe is frozen to be damaged, water leakage is caused, when external force impacts the heat collecting pipe, the damage of the heat collecting pipe (such as hail, falling objects from high altitude, etc.) to cause water in the header to flow out, and in view of this, we propose a heat collecting device for preventing the heat collecting tube from being damaged and leaking in a solar water heating system.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent that thermal-collecting tube from damaging the heat collecting device who leaks among solar water heating system to solve the current solar water heating equipment thermal-collecting tube that proposes among the above-mentioned background art and very easily because expend with heat and contract with cold and break, the thermal-collecting tube is easily damaged by freezing and the thermal-collecting tube receives the problem that the water that the impact damage easily made in the header goes out.

In order to achieve the above object, the utility model provides a following technical scheme:

a heat collecting device for preventing heat collecting pipes from being damaged and leaking in a solar water heating system comprises a header and heat collecting pipes arranged at the bottom of the header, the two ends of the header are communicated with water pipe joints, the inner cavity of the header is provided with a polyurethane heat-insulating layer, the inner cavity of the polyurethane heat-insulating layer is provided with a header inner container, the bottom of the header is provided with a plurality of openings, the bottom of the opening is provided with a dustproof ring, the upper end of the opening is provided with an opening curling edge, the top of the opening is provided with a silica gel ring, the top of the silica gel ring is inserted with a water isolating device, the water isolating device comprises a water isolating sleeve, the bottom of the water isolating sleeve is provided with a water isolating inserting block, the top of the heat collecting pipe is provided with a heat collecting pipe head which is arranged in the inner cavity of the water isolating device, the lower end of the heat collecting pipe is provided with a tail pipe support bracket, the top of the tail pipe support bracket is provided with a plurality of tail supports, and the lower end of the heat collecting pipe is arranged in an inner cavity of the tail support.

Preferably, the opening is communicated with the header inner container, and the silica gel ring and the water isolating device are both located in an inner cavity of the header inner container.

Preferably, the water separating sleeve and the water separating insertion block are of an integrally formed structure, the water separating device is made of aluminum alloy materials, and the inner cavity of the water separating sleeve is tightly matched with the outer wall of the heat collecting tube head.

Preferably, the silica gel circle is high temperature resistant silica gel material, water proof inserted block diameter ratio silica gel circle internal diameter is big, silica gel circle outer wall is seted up flutedly, the recess with trompil turn-up looks adaptation joint.

Preferably, the heat collecting tube and the heat collecting tube head are of an integrally formed structure, the heat collecting tube is made of double-vacuum high-boron glass, and the heat collecting tube head at the upper end of the heat collecting tube extends into the inner cavity of the header inner container.

Preferably, the heat collecting tube is matched with the inner cavity of the opening, the outer wall of the heat collecting tube is matched with the inner wall of the dust ring in a tightly fit manner, and the outer wall of the heat collecting tube is matched with the inner wall of the silica gel ring in a tightly fit manner.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this prevent heat collecting device that thermal-collecting tube damaged and leaked among solar water heating system, through setting up water stop device, its material is the aluminum alloy, the size can effectively laminate with trompil on the header and the thermal-collecting tube head of thermal-collecting tube upper end, carry out orderly waterproof seal through the silica gel circle, and the aluminum alloy material, cooperation surface oxidation technology, the temperature resistant, it is corrosion-resistant, the heat conduction effect is good, water stop device can avoid the thermal-collecting tube head contact of water and thermal-collecting tube, prevent that instantaneous cold and hot reaction from causing the thermal-collecting tube to break, and under the chilly condition of weather, the phenomenon of avoiding thermal-collecting tube head direct contact header inner chamber's cold water easily freezing out, also can guarantee simultaneously when the thermal-collecting tube receives external force to damage the back, the water in the header can not flow, avoid the loss.

Drawings

FIG. 1 is a sectional view of the overall structure of the present invention;

FIG. 2 is an exploded cross-sectional view of the overall structure of the present invention;

FIG. 3 is a schematic view of the header structure of the present invention;

fig. 4 is a schematic view of the assembly structure of the water isolating device and the silica gel ring of the present invention;

fig. 5 is a partial schematic view of the structure at a of the present invention.

In the figure: 1. a header; 10. opening a hole; 100. opening a hole and curling the edge; 11. a polyurethane heat-insulating layer; 12. a header inner container; 13. a dust ring; 14. a silica gel ring; 140. a groove; 2. a tail pipe support bracket; 20. a tail support; 3. a heat collecting pipe; 30. a heat collecting tube head; 4. a water isolation device; 41. a water-separating sleeve; 42. a waterproof insert block; 5. a water pipe joint.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "center", "center line", "longitudinal", "lateral", "length", "width", "thickness", "depth", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be taken as limiting the invention, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example 1

A heat collecting device for preventing a heat collecting pipe from being damaged and leaking in a solar water heating system aims to solve the problem that the heat collecting pipe of the existing solar water heating equipment is easy to break due to thermal expansion and cold contraction and easy to freeze and the heat collecting pipe is easy to damage due to impact and easy to cause water in a header to flow out, and as a preferred embodiment, as shown in figures 1, 2, 3, 4 and 5, the heat collecting device comprises a header 1 and a heat collecting pipe 3 arranged at the bottom of the header 1, water pipe joints 5 are communicated and arranged at two ends of the header 1, a polyurethane heat insulating layer 11 is arranged in an inner cavity of the header 1, a header inner container 12 is arranged in an inner cavity of the polyurethane heat insulating layer 11, a plurality of openings 10 are formed in the bottom of the header 1, a dust ring 13 is arranged at the bottoms of the openings 10, opening turned edges 100 are arranged at the upper ends of the openings 10, a silica gel ring 14 is arranged at the tops of the openings 10, a water isolating device 4 is inserted in the tops of the silica gel ring 14, the water isolating device 4 comprises a water isolating sleeve 41, the bottom of the water separation sleeve 41 is provided with a water separation insert 42, the top of the heat collection tube 3 is provided with a heat collection tube head 30, the heat collection tube head 30 is arranged in the inner cavity of the water separation device 4, the lower end of the heat collection tube 3 is provided with a tail tube support bracket 2, the top of the tail tube support bracket 2 is provided with a plurality of tail supports 20, and the lower end of the heat collection tube 3 is arranged in the inner cavity of the tail supports 20.

In this example, trompil 10 intercommunication header inner bag 12, silica gel circle 14 and water stop 4 all are located the 12 inner chambers of header inner bag, through setting up silica gel circle 14 can be effectual to carry out sealed waterproof when stretching into header inner bag 12 to thermal-collecting tube 3, avoid the rivers outflow in the header inner bag 12.

Specifically, the water blocking sleeve 41 and the water blocking insertion block 42 are of an integrally formed structure, the water blocking device 4 is made of an aluminum alloy material, the inner cavity of the water blocking sleeve 41 is tightly matched with the outer wall of the heat collecting tube head 30, the water blocking device 4 can prevent hot air in the inner cavity of the heat collecting tube head 30 from directly contacting cold water in the header inner container 12 to easily expand with heat and contract with cold to break, and the problem that the heat collecting tube head is damaged due to too cold water in the header inner container 12 when the weather is cold can be prevented.

Further, the silica gel ring 14 is made of a high-temperature-resistant silica gel material, the diameter of the waterproof insert block 42 is larger than the inner diameter of the silica gel ring 14, a groove 140 is formed in the outer wall of the silica gel ring 14, the groove 140 is in adaptive clamping connection with the opening curled edge 100, and a sealing state is achieved by arranging the silica gel ring 14.

Specifically, the heat collecting tube 3 and the heat collecting tube head 30 are integrally formed, the heat collecting tube 3 is made of double-vacuum high-boron glass material and meets the standard of a solar water heating system, and the heat collecting tube head 30 at the upper end of the heat collecting tube 3 extends into the inner cavity of the header inner container 12.

Besides, the heat collecting tube 3 is matched with the inner cavity of the open hole 10, the outer wall of the heat collecting tube 3 is matched with the inner wall of the dustproof ring 13 in a tightly fit manner, the outer wall of the heat collecting tube 3 is matched with the inner wall of the silica gel ring 14 in a tightly fit manner, the joint of the heat collecting tube 3 and the open hole 10 is sealed through the dustproof ring 13, dust is prevented from entering the inner cavity of the water isolating device 4, and the heat collecting tube head 30 is protected through the water isolating device 4

When the heat collecting device for preventing the heat collecting pipe from being damaged and leaking in the solar water heating system is assembled, the header inner container 12 is manufactured firstly, the punched plate is bent and welded to manufacture the header inner container 12, the header inner container 12 is placed in the inner cavity of the header 1, the polyurethane heat-insulating layer 11 is filled between the header inner container 12 and the header 1, then the silica gel ring 14 is placed at the opening 10 at the bottom of the header 1, the outer side of the silica gel ring 14 is provided with a circle of groove 140 which is just clamped at the opening turned edge 100 at the upper end of the opening 10, the silica gel ring 14 can be fixed on the opening 10, then the water-resisting insert block 42 of the water-resisting device 4 is inserted into the top of the silica gel ring 14, because the diameter of the water-resisting insert block 42 is larger than the inner diameter of the silica gel ring 14, after the water-resisting device 4 is installed, the silica gel ring 14 can be tightly pressed between the opening 10 and the water-resisting device 4, the sealing effect is achieved, and the water in the header 2 can be ensured not to leak, then according to the on-site situation, the tail pipe support bracket 2 is installed, the header 1 and the heat collecting pipe 3 are fixed, then a small amount of heat conducting silicone grease is smeared on the heat collecting pipe head 30 of the heat collecting pipe 3, the heat collecting pipe head 30 is inserted into the water-resisting sleeve 41 of the water-resisting device 4, the angle is adjusted, the lower end of the heat collecting pipe 3 is fixed in the inner cavity of the tail support 20, when the solar water heater is used, the double vacuum waterless heat pipe is used through the heat collecting pipe 3, a certain amount of phase change material is flushed into the vacuum inner cavity in the heat collecting pipe 3, when the heat collecting pipe 3 is irradiated by the sun, the temperature in the heat collecting pipe 3 rises, the phase change material absorbs heat energy, changes from liquid state to gas state, rises from the bottom of the heat collecting pipe 3 to the top condensation end, so that the temperature of the heat collecting pipe head rises, the heat is conducted to the water-resisting device 4 through contact conduction and heat radiation conduction, the water-resisting device 4 is made of aluminum alloy material with higher heat conductivity coefficient, and contacts with the water in the inner cavity 12 of the header, give off the heat to the aquatic, after phase change material's heat was absorbed by water stop 4, the temperature reduces, become liquid by the gaseous state, flow downwards along 3 pipe walls of thermal-collecting tube, the in-process that flows can absorb heat once more, become the gaseous state, it rises to carry the heat, it is exothermic to continue to thermal-collecting tube head 30, the temperature with the water of header inner bag 12 risees gradually, to a certain extent when the temperature, two water pipe head 5 forced circulation of water piping connection through water pump or running water, circulate to the header in with the less circulation mouth of water connection a water pipe head 5 of temperature, because the effect of pressure, the higher water of temperature can flow to water consumption point or heat storage water tank from the runner port of another water pipe head 5.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a prevent that thermal-collecting tube damages heat collection device who leaks among solar water heating system, including header (1) with thermal-collecting tube (3) that header (1) bottom set up, its characterized in that: the water pipe connectors (5) are communicated with the two ends of the header (1), a polyurethane heat-insulating layer (11) is arranged in an inner cavity of the header (1), a header inner container (12) is arranged in the inner cavity of the polyurethane heat-insulating layer (11), a plurality of holes (10) are formed in the bottom of the header (1), a dust ring (13) is arranged at the bottom of each hole (10), a hole turned edge (100) is arranged at the upper end of each hole (10), a silica gel ring (14) is arranged at the top of each hole (10), a water-resisting device (4) is inserted into the top of each silica gel ring (14), each water-resisting device (4) comprises a water-insulating sleeve (41), a water-resisting insertion block (42) is arranged at the bottom of each water-resisting sleeve (41), a heat collecting pipe head (30) is arranged at the top of each heat collecting pipe (3), the heat collecting pipe head (30) is arranged in the inner cavity of each water-resisting device (4), a tail pipe support (2) is arranged at the lower end of each heat collecting pipe (3), a plurality of tail supports (20) are arranged at the top of the tail pipe support bracket (2), and the lower ends of the heat collecting pipes (3) are arranged in the inner cavities of the tail supports (20).

2. The heat collecting device for preventing the damage and water leakage of the heat collecting pipe in the solar water heating system according to claim 1, wherein: the opening (10) is communicated with the header inner container (12), and the silica gel ring (14) and the water isolating device (4) are both located in the inner cavity of the header inner container (12).

3. The heat collecting device for preventing the damage and water leakage of the heat collecting pipe in the solar water heating system according to claim 2, characterized in that: the water insulation sleeve (41) and the water insulation insertion block (42) are of an integrally formed structure, the water insulation device (4) is made of aluminum alloy, and the inner cavity of the water insulation sleeve (41) is closely matched with the outer wall of the heat collection tube head (30).

4. The heat collecting device for preventing the damage and water leakage of the heat collecting pipe in the solar water heating system according to claim 1, wherein: the silica gel circle (14) is high temperature resistant silica gel material, water proof inserted block (42) diameter ratio silica gel circle (14) internal diameter is big, silica gel circle (14) outer wall is seted up recess (140), recess (140) with trompil turn-up (100) looks adaptation joint.

5. The heat collecting device for preventing the damage and water leakage of the heat collecting pipe in the solar water heating system according to claim 4, wherein: the heat collecting tube (3) and the heat collecting tube head (30) are of an integrally formed structure, the heat collecting tube (3) is made of double-vacuum high-boron glass, and the heat collecting tube head (30) at the upper end of the heat collecting tube (3) extends into the inner cavity of the header inner container (12).

6. The heat collecting device for preventing the damage and water leakage of the heat collecting pipe in the solar water heating system according to claim 1, wherein: the heat collecting tube (3) is matched with the inner cavity of the open hole (10), the outer wall of the heat collecting tube (3) is matched with the inner wall of the dust ring (13) in a tightly-attached mode, and the outer wall of the heat collecting tube (3) is matched with the inner wall of the silica gel ring (14) in a tightly-attached mode.