CN215571321U

CN215571321U - Flat plate type heat collector grid structure, flat plate type heat collector and solar water heater

Info

Publication number: CN215571321U
Application number: CN202121361255.2U
Authority: CN
Inventors: 姜立军; 李伟
Original assignee: Haier Smart Home Co Ltd; Qingdao Economic and Technological Development Zone Haier Water Heater Co Ltd
Current assignee: Haier Smart Home Co Ltd; Qingdao Economic and Technological Development Zone Haier Water Heater Co Ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2022-01-18
Anticipated expiration: 2031-06-18

Abstract

The utility model belongs to the technical field of heat collectors, and discloses a grid structure of a flat plate type heat collector, the flat plate type heat collector and a solar water heater, wherein the grid structure of the flat plate type heat collector comprises: an upper header having a circulation outlet provided thereon; a lower header disposed opposite to the upper header; the plurality of heat collecting pipes are communicated between the upper collecting pipe and the lower collecting pipe at intervals; and the water inlet pipeline is communicated with the other end of the lower collecting pipe, and a circulating inlet of the water inlet pipeline is arranged at the upper end of the upper collecting pipe. According to the utility model, the upper header is provided with the circulating outlet, the water inlet pipeline is provided with the circulating inlet, and the circulating inlet is positioned at the upper end of the upper header, so that the grid structure of the flat plate type heat collector can enter and exit water from the upper end, the whole material usage is less, the cost is lower, and the flat plate type heat collector can be suitable for an integrated flat plate heat collector with a water tank and a heat collector installed together.

Description

Flat plate type heat collector grid structure, flat plate type heat collector and solar water heater

Technical Field

The utility model relates to the technical field of heat collectors, in particular to a grid structure of a flat plate type heat collector, the flat plate type heat collector and a solar water heater.

Background

The flat plate type solar heat collector heat absorber has various grid types, and is mainly divided into a four-opening type and a two-opening type according to an outlet mode, wherein the grid of the four-opening type heat collector is provided with four inlets and outlets, four corners of the grid are respectively provided with one inlet and outlet, two diagonal inlets and outlets are generally used during installation, the inlet and outlet at the bottom are used as water inlets, and the inlet and outlet at the diagonal outlets and outlets at the upper part are used as water outlets. In order to facilitate installation operation, the circulation inlet and the circulation outlet of the grid are concentrated at the upper left corner or the upper right corner, but the structure is only suitable for a balcony type solar water heater, the water storage tank is arranged at one side of the collector and is connected with a pipeline about one meter for heat conducting medium circulation, the use scene is limited, and the grid cannot be suitable for an integrated flat plate collector with a water tank and a heat collector arranged together.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a grid structure of a flat plate type heat collector, the flat plate type heat collector and a solar water heater, which have the advantages of less whole material usage and low cost and can be suitable for an integrated flat plate type heat collector with a water tank and a heat collector installed together.

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

a flat plate collector grid construction comprising:

an upper header having a circulation outlet provided thereon;

a lower header disposed opposite to the upper header;

the plurality of heat collecting pipes are communicated between the upper collecting pipe and the lower collecting pipe at intervals;

and the water inlet pipeline is communicated with the other end of the lower collecting pipe, and a circulating inlet of the water inlet pipeline is arranged at the upper end of the upper collecting pipe.

Preferably, the upper header comprises a first header, a second header and a three-way structure communicated with the first header and the second header, and one end of the three-way structure is the circulation outlet.

Preferably, the water circulation system further comprises a water outlet joint, and the water outlet joint is installed at the circulation outlet.

Preferably, the water inlet pipeline comprises an elbow pipe positioned at the upper end of the upper header pipe and a vertical pipe communicated with the elbow pipe, the vertical pipe is communicated with the lower header pipe, and one end of the elbow pipe forms the circulation inlet.

Preferably, one end of the elbow is connected with a water inlet joint.

Preferably, the elbow pipe and the vertical pipe and the lower header pipe are communicated through an elbow.

Preferably, both ends of the upper header and the closed end of the lower header are closed by a closing cap.

Preferably, the diameters of the upper header, the lower header and the water inlet pipeline are all larger than the diameter of the heat collecting pipe.

The utility model also provides a flat plate type heat collector, which comprises the grid structure of the flat plate type heat collector.

The utility model also provides a solar water heater which comprises the flat plate type heat collector.

The utility model has the beneficial effects that: set up the circulation export through last header, the inlet channel sets up circulation import and is located header upper end department for flat plate collector grid structure is followed the upper end and is gone into water, and its whole material uses still less, and the cost is lower, can be applicable to the integral type flat plate collector who installs water tank and heat collector together in addition.

Drawings

FIG. 1 is a schematic view of the construction of a grid construction for a flat plate collector according to the present invention.

In the figure:

1. an upper header; 11. a first header; 12. a second header; 13. a three-way structure; 2. a lower header; 3. a heat collecting pipe; 4. a water inlet pipeline; 41. bending the pipe; 42. a vertical tube; 43. bending the pipe; 5. a water outlet joint; 6. a water inlet joint; 7. and (5) plugging the cap.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The utility model provides a grid structure of a flat plate collector, which is applied to the flat plate collector, has less whole material usage and low cost, and can be suitable for an integrated flat plate collector for mounting a water tank and the collector together. Specifically, as shown in fig. 1, the grid structure of the flat plate type heat collector includes an upper header 1, a lower header 2, a plurality of heat collecting tubes 3 and a water inlet pipeline 4, wherein the upper header 1 and the lower header 2 are oppositely disposed, the plurality of heat collecting tubes 3 are communicated between the upper header 1 and the lower header 2, the water inlet pipeline 4 is communicated with the lower header 2, water enters the lower header 2 through the water inlet pipeline 4, then is uniformly distributed into each heat collecting tube 3 to absorb solar energy so as to increase temperature, then is converged to the upper header 1, and flows out through a circulation outlet disposed on the upper header 1 to enter a water storage tank or be directly used by a user.

In this embodiment, the upper header 1 may be as shown in fig. 1, where the upper header 1 includes a first header 11, a second header 12, and a three-way structure 13, where the first header 11 and the second header 12 have the same pipe diameter, the first header 11 and the second header 12 are communicated with two ends of the three-way structure 13, and a third end of the three-way structure 13 is used as a circulation outlet, which may be connected to the water outlet connector 5 to connect the pipes through the water outlet connector 5. In this embodiment, the water outlet joint 5 is supported by brass and is pre-provided with G3/4 external threads. The ends of the first header 11 and the second header 12, which are not connected with the tee structure 13, are closed, and preferably can be closed by using the plugging cap 7. In this embodiment, the diameter of the upper header 1 is 20 to 25 mm.

The lower header 2 is arranged opposite to the upper header 1, one end of the lower header 2 is communicated with the water inlet pipeline 4, the other end of the lower header 2 can be closed by a blocking cap 7, and the diameter of the lower header 2 is 20-25 mm.

In this embodiment, the plurality of heat collecting pipes 3 are arranged at intervals, and preferably at equal intervals, so that when water in the lower heat collecting pipe 3 is distributed to the heat collecting pipes 3, uniform heating of water can be realized. Preferably, the diameter of the heat collecting pipe 3 is smaller than the diameters of the upper header 1, the lower header 2 and the water inlet pipeline 4, and the diameter thereof may be 6-10 mm.

The water inlet pipe 4 is communicated with the other end of the lower header 2 which is not closed, and the circulation inlet of the water inlet pipe 4 is arranged at the upper end of the upper header 1. Through setting up the import that circulates in the upper end of upper header 1, it can make the inlet outlet of whole flat plate collector grid structure all be located the upper end department, and then can make flat plate collector grid structure volume littleer, and the whole material uses fewly, and is with low costs, has reduced calorific loss, also makes flat plate collector grid structure can be applicable to the integral type flat plate collector who installs water tank and collector together in addition.

Further, the water inlet pipe 4 includes an elbow pipe 41 and a vertical pipe 42, wherein the elbow pipe 41 is located at the upper end of the upper header 1, one end of the elbow pipe forms a circulation inlet, and a water inlet joint 6 can be installed at the circulation inlet, in this embodiment, the water inlet joint 6 is supported by brass and is pre-provided with G3/4 external threads. The vertical pipe 42 is parallel to the heat collecting pipe 3, and two ends of the vertical pipe 42 are respectively communicated with the bent pipe 41 and the lower header 2.

Preferably, the elbow 41 and the vertical pipe 42 are communicated with each other, and the vertical pipe 42 and the lower header 2 are communicated with each other through the elbow 43. The bend 43 may be a copper bend.

The grid structure of the flat plate type collector of the embodiment is provided with the circulating outlet through the upper collecting pipe 1, the water inlet pipeline 4 is provided with the circulating inlet, and the circulating inlet is positioned at the upper end of the upper collecting pipe 1, so that the grid structure of the flat plate type collector enters and exits water from the upper end, the whole material is less in use, the cost is lower, and the grid structure of the flat plate type collector can be suitable for an integrated flat plate collector with a water tank and a collector installed together.

The utility model also provides a solar water heater which comprises the water tank and the flat plate type heat collector, wherein the water tank and the flat plate type heat collector are of an integrated structure.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the utility model. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A flat plate collector grid construction comprising:

an upper header (1) provided with a circulation outlet;

a lower header (2) provided opposite to the upper header (1);

the heat collecting pipes (3) are communicated between the upper collecting pipe (1) and the lower collecting pipe (2) at intervals;

and the water inlet pipeline (4) is communicated with the other end of the lower collecting pipe (2), and a circulating inlet of the water inlet pipeline (4) is arranged at the upper end of the upper collecting pipe (1).

2. A flat plate type collector grid construction according to claim 1, wherein the upper header (1) comprises a first header (11), a second header (12), and a three-way structure (13) communicating with the first header (11) and the second header (12), one end of the three-way structure (13) being the circulation outlet.

3. The flat plate collector grid construction according to claim 2, further comprising a water outlet connection (5), said water outlet connection (5) being mounted at the circulation outlet.

4. The flat plate type collector grid construction according to any one of claims 1 to 3, wherein the water inlet pipe (4) comprises an elbow pipe (41) at the upper end of the upper header (1), a vertical pipe (42) communicating with the elbow pipe (41), the vertical pipe (42) communicating with the lower header (2), and one end of the elbow pipe (41) forming the circulation inlet.

5. Flat plate collector grid construction according to claim 4, characterised in that one end of the bent pipe (41) is connected with a water inlet connection (6).

6. The flat plate type collector grid construction according to claim 4, characterized in that the communication between the bent pipe (41) and the vertical pipe (42), and between the vertical pipe (42) and the lower header (2) is via a bend (43).

7. Flat plate collector grid construction according to any of claims 1-3, characterised in that both ends of the upper header (1) and the closed end of the lower header (2) are closed by means of blanking caps (7).

8. Grid construction for flat plate collectors according to any of claims 1-3 characterized in that the diameters of the upper header (1), the lower header (2) and the water inlet pipe (4) are all larger than the diameter of the collector tubes (3).

9. A flat plate collector according to any one of claims 1 to 8, which comprises a grid construction of the flat plate collector.

10. A solar water heater comprising the flat plate type heat collector according to claim 9.