CN214891896U

CN214891896U - Tubular solar heat collector

Info

Publication number: CN214891896U
Application number: CN202120108650.3U
Authority: CN
Inventors: 徐泽山; 徐致远
Original assignee: Yangzhou Xilai Solar Energy Technology Co ltd
Current assignee: Yangzhou Xilai Solar Energy Technology Co ltd
Priority date: 2021-01-15
Filing date: 2021-01-15
Publication date: 2021-11-26
Anticipated expiration: 2031-01-15

Abstract

The utility model belongs to the technical field of solar collector. A tubular solar heat collector is characterized by comprising a first heat collector, a second heat collector and a heat collecting header, wherein the heat collecting header comprises an inner tube, a through hole is formed in the inner tube, and the through hole is used for installing a vacuum heat collecting tube of the heat collector; the open ends of the evacuated solar collector tubes of the first heat collector and the second heat collector are inserted into the through holes of the inner tube, and the inner tube is hermetically connected with the evacuated solar collector tubes through a sealing device; the two ends of the inner tube form a heat medium inlet end and a heat medium outlet end. The utility model discloses be used for solving current thermal-arrest header inner bag both ends end cover increase cost, the technological complicacy, influence the technical problem of heat medium flow.

Description

Tubular solar heat collector

Technical Field

The utility model belongs to the technical field of solar collector, concretely relates to tubular solar collector.

Background

The vacuum tube solar heat collector is a general product in the current market, has national unified model and specification, is technically mature, comprises a heat collection header, a plurality of vacuum heat collection tubes and a tail support, the open ends of the vacuum heat collection tubes are inserted into the header, two ends of each vacuum heat collection tube are arranged on the tail support, the header comprises a shell/inner container and a middle heat insulation interlayer, end covers are arranged at two ends of the inner container, water inlets and water outlets are respectively arranged on the end covers, and a plurality of groups of vacuum tube solar heat collectors are connected in series/parallel to form a solar heat collection system through connecting tubes. The heat collecting header has the advantages that the header end covers are designed at the two ends of the heat collecting header, the water inlet and the water outlet are formed in the end covers, the end covers are respectively arranged at the two ends of the heat collector header, the production cost is increased, the drift diameter of a heat collector pipeline is reduced, the flow of heat medium circulation is influenced, and the system design cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a tubular solar collector to solve current thermal-arrest header inner bag both ends end cover increase cost, technology complicacy, influence the technical problem of heat medium flow.

In order to solve the technical problem, the utility model adopts the following technical scheme that the tubular solar collector is characterized by comprising a first collector, a second collector and a heat collecting header, wherein the heat collecting header comprises an inner tube, a through hole is arranged on the inner tube, and the through hole is used for installing the vacuum heat collecting tube of the collector; the open ends of the evacuated solar collector tubes of the first heat collector and the second heat collector are inserted into the through holes of the inner tube, and the inner tube is hermetically connected with the evacuated solar collector tubes through a sealing device; the two ends of the inner tube form a heat medium inlet end and a heat medium outlet end.

By adopting the technical scheme, the method has the following beneficial effects: the utility model discloses improve current inner bag into inner tube structure, merge the design into a big tubular metal resonator with the inner bag, tubular metal resonator one side or both sides design have the socket of being connected with evacuated collector tube, and water inlet and delivery port are directly designed into at the both ends of inner tube, and the water inlet and the delivery port at inner tube both ends are connected with thermal-arrest system, have given up the end cover at header inner bag both ends. The utility model discloses the structure is simpler, and production technology is simple and convenient, and the cost is lower, and the latus rectum is big, and the availability factor is higher.

For solving the technical problem how to arrange inner tube and heat collector, the utility model discloses a following technical scheme, the through-hole is located the inner tube both sides, and first heat collector, second heat collector are located the inner tube both sides respectively, and the structure is compacter, and area is little.

For solving the technical problem how to arrange inner tube and heat collector, the utility model discloses a following technical scheme, the through-hole is located the inner tube homonymy, and first heat collector, second heat collector are located the inner tube homonymy respectively, and two heat collectors are the same to the collection angle of light, and the adjustment back that targets in place can satisfy two heat collectors simultaneously to the incident requirement of sunlight.

For solving the fast technical problem of thermal-arrest header heat dissipation, the utility model discloses a following technical scheme, the thermal-arrest header still includes heat preservation, shell, sets gradually heat preservation, shell outside the inner tube, keeps warm through the hot medium of shell, heat preservation in to the inner tube, reduces the heat dissipation.

For solving the technical problem that heat collector heat energy utilized, the utility model discloses a following technical scheme, the hot medium entrance point and the hot medium exit end at inner tube both ends are connected with collecting system.

For solving sealed technical problem between inner tube and the evacuated collector tube, the utility model discloses a following technical scheme, sealed on the inner tube is the silica gel circle, long service life, and is sealed effectual.

For the technical problem who solves the inner tube material, the utility model discloses a following technical scheme, the inner tube is tubular metal resonator, polymer plastic tubing or steel-plastic tube, satisfies different customer demands.

For solving the technical problem of heat medium, the utility model adopts the following technical scheme that the heat medium of the vacuum heat collecting tube is water and air, and the application range is wide. When air is circulated in the header, the system is a solar air collector.

For solving the technical problem that evacuated collector tube extinction is low, the utility model discloses a following technical scheme, evacuated collector tube below sets up the light focusing groove, utilizes the light focusing groove to improve the light focusing rate, improves evacuated collector tube's heat absorption efficiency, increases heat collector collecting efficiency.

For solving the fixed not adjustable technical problem of inner tube mouth of pipe latus rectum, the utility model discloses a following technical scheme, the reducing pipe is all connected to the hot medium entrance point and the hot medium exit end at inner tube both ends for change mouth of pipe latus rectum size, make things convenient for the design and the installation of system.

Drawings

Fig. 1 is a schematic structural diagram of a tubular solar thermal collector according to embodiment 1 of the present invention;

FIG. 2 is a cross-sectional view of the heat collecting header of the tubular solar collector of the present invention;

FIG. 3 is a side view of FIG. 2;

fig. 4 is a schematic structural diagram of a tubular solar thermal collector according to embodiment 2 of the present invention.

Detailed Description

Example 1

As shown in fig. 1-3, a tubular solar collector includes a solar collecting header 10, a first heat collector 8, and a second heat collector 9. The first heat collector 8 and the second heat collector 9 share one heat collecting header 10. The first heat collector 8 and the second heat collector 9 are positioned at two sides of the heat collecting header 10. The first heat collector 9 and the second heat collector 10 both comprise a plurality of vacuum heat collectors 6 and a tail support 7.

The solar heat collection header 10 comprises an outer shell 1, an inner pipe 2 and a heat preservation layer 3 arranged between the outer shell and the inner pipe.

A plurality of through holes 4 with equal intervals are arranged on the two sides of the outer shell/the heat preservation layer and the inner tube in parallel, a silica gel sealing ring for sealing is arranged on the opening of the inner tube, the open ends of a plurality of evacuated collector tubes are inserted into the through holes of the heat collection header and are connected with the silica gel sealing ring 5 on the inner tube in a sealing way, and the other ends (blind ends) of the evacuated collector tubes are arranged on the tail support.

The utility model discloses a big tubular metal resonator is designed into in the merger of vacuum tube heat collector header inner bag, and the design of tubular metal resonator one side or both sides has the socket of being connected with evacuated collector tube, and the both ends of inner tube are directly designed into thermal medium import 2-2 and thermal medium export 2-1. The heat medium inlet and the heat medium outlet at the two ends of the inner pipe are connected with a heat collecting system, and end covers at the two ends of the header inner container are omitted.

The inner pipe can be a metal pipe, and also can be a polymer plastic pipe or a steel plastic pipe.

The solar heat collection header can be water/air and other heating media. When air is circulated in the header, the system is a solar air collector.

The light-gathering groove is arranged below the vacuum heat-collecting tube, so that the heat-collecting efficiency of the heat collector is improved.

The solar heat collection header comprises a heat insulation layer arranged between a shell/inner tube and a shell inner tube, wherein the water outlets and the water inlets at two ends of the inner tube are connected with reducer pipes for changing the size of the drift diameter of a pipe orifice and facilitating the design and installation of a system.

Example 2

As shown in fig. 4, a tubular solar collector includes a solar collecting header 10, a first heat collector 8, and a second heat collector 9. The first heat collector and the second heat collector share one heat collecting header. The first heat collector and the second heat collector are positioned on the same side of the heat collecting header. The first heat collector and the second heat collector comprise a plurality of vacuum heat collectors 7 and tail supports 6.

The solar heat collection header comprises a shell, an inner pipe and a heat insulation layer arranged between the inner pipes of the shell.

A plurality of through holes with equal intervals are arranged on the same side of the outer shell/the heat preservation layer and the inner tube in parallel, a silica gel sealing ring for sealing is arranged on the open hole of the inner tube, the open ends of a plurality of evacuated collector tubes are inserted into the through holes of the heat collection header and are connected with the silica gel sealing ring on the inner tube in a sealing way, and the other ends (blind ends) of the evacuated collector tubes are arranged on the tail support.

Claims

1. A tubular solar heat collector is characterized by comprising a first heat collector, a second heat collector and a heat collecting header, wherein the heat collecting header comprises an inner tube, a through hole is formed in the inner tube, and the through hole is used for installing a vacuum heat collecting tube of the heat collector; the open ends of the evacuated solar collector tubes of the first heat collector and the second heat collector are inserted into the through holes of the inner tube, and the inner tube is hermetically connected with the evacuated solar collector tubes through a sealing device; the two ends of the inner tube form a heat medium inlet end and a heat medium outlet end.

2. The tube solar collector according to claim 1, wherein the through holes are located on both sides of the inner tube, and the first collector and the second collector are located on both sides of the inner tube, respectively.

3. The tube solar collector according to claim 1, wherein the through hole is located on the same side of the inner tube, and the first collector and the second collector are located on the same side of the inner tube.

4. The tubular solar collector of claim 1, wherein the heat collecting header further comprises a heat insulating layer and a shell, and the heat insulating layer and the shell are sequentially arranged outside the inner tube.

5. The tubular solar collector according to claim 1, wherein the heat medium inlet end and the heat medium outlet end at both ends of the inner tube are connected to a heat collecting system.

6. The tubular solar collector according to claim 1, wherein the sealing means on the inner tube is a silicone ring.

7. The tubular solar collector according to claim 1, wherein the inner tube is a metal tube, a polymer plastic tube or a steel plastic tube.

8. The tubular solar collector of claim 1, wherein the heat medium of the evacuated collector tube is water or air.

9. The tubular solar collector of claim 1, wherein a light-gathering groove is arranged below the evacuated collector tube.

10. The tubular solar collector according to claim 1, wherein the thermal medium inlet end and the thermal medium outlet end at both ends of the inner tube are connected with a reducer pipe.