CN207350974U - A kind of solar heating engineering thermal collecting header - Google Patents

Abstract

The utility model discloses a heat collecting junction box for solar hot water engineering, which comprises an incubator, several sealing units and solar heat collecting tubes, a sealing pad is arranged between the solar heat collecting tubes and the sealing units, and the incubating box One end of the incubator is provided with an overflow pipe, and the other end of the incubator is provided with a water inlet pipe and an outlet pipe. The incubator includes an outer shell, an inner tank and an insulating layer. The sealing unit includes a fixing sleeve, an adjusting sleeve and a lock The tight sleeve, the adjusting sleeve and the locking sleeve are provided with a spring groove, and a spring is arranged in the spring groove. A sealing unit is added between the solar heat collecting tube and the incubator in the heat collecting header of the utility model to optimize the sealing method of the silicone sealing ring, and continuously apply a pressure to the silicone sealing ring through the sealing unit to compensate the silicone sealing ring The lack of self-elasticity due to external factors ensures the sealing effect between the solar collector tube and the incubator, and improves the heat exchange efficiency.

Description

A solar water heating engineering collector header

technical field

The utility model relates to a solar water heating engineering heat collecting joint box.

Background technique

As a clean energy source, solar energy is widely used, especially the use of solar thermal systems. At present, the thermal collector header in the solar water heating system will have sealing problems during use. The insulation box in the thermal collector header and the solar collector tube are sealed by a silicone seal, but there will inevitably be leakage problems. This will affect the heat transfer; and the common sealing method is to directly wrap the solar heat collector tube through the elasticity of the silicone sealing ring itself. The elasticity of the silicone sealing ring itself will fluctuate with the prolongation of use time and the increase of the pressure in the water tank, resulting in leakage. hidden dangers.

Utility model content

In view of the above-mentioned technical deficiencies, the purpose of this utility model is to provide a solar water heating engineering heat collecting header, and a sealing unit is added between the solar heat collecting tube and the incubator in the heat collecting header to seal the silica gel. The sealing method of the sealing ring is optimized, and the sealing unit continuously exerts a pressure on the silicone sealing ring to compensate for the lack of elasticity of the silicone sealing ring itself due to external factors, ensuring the sealing effect between the solar collector tube and the incubator, and improving heat transfer. efficiency.

In order to solve the above technical problems, the utility model adopts the following technical solutions:

The utility model provides a heat collecting header for solar hot water engineering, which includes an incubator, several sealing units detachably arranged on the incubating box, and solar heat collecting tubes sealed and installed in the sealing units. The sealing unit communicates with the incubator, a gasket is provided between the solar collector tube and the sealing unit, an overflow pipe is provided at one end of the incubator, and a water inlet pipe is provided at the other end of the incubator and an outlet pipe, the incubator includes an outer shell, an inner tank, and an insulating layer between the outer shell and the inner tank, the sealing unit includes a fixed sleeve sealed and installed on the outer shell, and a threaded assembly on the outer shell. The adjusting sleeve on the fixed sleeve and the locking sleeve nested on the sealing pad, the adjusting sleeve and the locking sleeve are provided with a spring groove, and a spring is installed in the spring groove The outer peripheral wall of the end of the sealing gasket away from the fixed sleeve is in the shape of a flared horn, and the corresponding inner wall of the adjustment sleeve is also in the shape of a flared horn, and the inner wall of the adjustment sleeve is clamped and positioned on the on the outer peripheral wall of the gasket.

Preferably, the inner wall of the fixed sleeve is provided with several uniformly distributed annular sealing grooves, and the outer peripheral wall of the gasket is provided with several uniformly distributed protruding rings, and the corresponding protruding rings are closely positioned In the sealing groove, several silicone sealing rings are arranged on the inner wall of the end of the sealing gasket away from the fixing sleeve.

Preferably, the water inlet pipe is located above the water outlet pipe.

Preferably, a fixing bracket is provided at the end of the solar heat collecting tube away from the incubator.

The beneficial effect of the utility model is that: a sealing unit is added between the solar heat collecting tube and the incubator in the heat collecting header, the sealing method of the silicone sealing ring is optimized, and a pressure is continuously applied to the silicone sealing ring through the sealing unit , Compensate the lack of elasticity of the silicone sealing ring itself due to external factors, ensure the sealing effect between the solar collector tube and the incubator, and improve the heat exchange efficiency.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a schematic diagram of the three-dimensional structure of a solar water heating engineering heat collecting header provided by an embodiment of the present invention;

Fig. 2 is a top view (partial cutaway) of a kind of solar water heating engineering thermal collector header provided by the embodiment of the present invention;

Fig. 3 is an enlarged view of part A in Fig. 2 .

Explanation of reference signs:

1-incubator, 11-shell, 12-inner tank, 13-insulation layer, 2-sealing unit, 21-fixing sleeve, 22-adjusting sleeve, 23-locking sleeve, 24-spring groove, 241- Spring, 3-solar collector tube, 31-sealing gasket, 311-silicone sealing ring, 41-water inlet pipe, 42-water outlet pipe, 43-overflow pipe.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

As shown in Fig. 1 to Fig. 3, a kind of solar hot water engineering heat collecting header includes an incubator 1, several sealing units 2 detachably arranged on the incubating box 1 and sealing units installed on the sealing unit The solar heat collecting tube 3 in 2, the sealing unit 2 is connected with the incubator 1, a gasket 31 is arranged between the solar heat collecting tube 3 and the sealing unit 2, and the solar heat collecting tube 3 is far away from the One end of the incubator 1 is provided with a fixed bracket, one end of the incubator 1 is provided with an overflow pipe 43, and the other end of the incubator 1 is provided with a water inlet pipe 41 and an outlet pipe 42, and the water inlet pipe 41 is located at the Above the outlet pipe 42, the incubator 1 includes an outer shell 11, an inner tank 12, and an insulating layer 13 between the outer shell 11 and the inner tank 12, and the sealing unit 2 includes a seal mounted on the outer shell. The fixing sleeve 21 on 11, the adjusting sleeve 22 threaded on the fixing sleeve 21 and the locking sleeve 23 nested on the sealing gasket 31, the adjusting sleeve 22 and the lock The tight sleeve 23 is provided with a spring groove 24, and a spring 241 is installed in the spring groove 24. The outer peripheral wall of the sealing gasket 31 away from the end of the fixed sleeve 21 is in the shape of a flared horn, and the corresponding The inner wall of the adjusting sleeve 22 is also in the shape of a flared horn, and the inner wall of the adjusting sleeve 22 is clamped and positioned on the outer peripheral wall of the sealing gasket 31, and the inner wall of the fixed sleeve 21 is provided with a number of evenly distributed An annular sealing groove, the outer peripheral wall of the sealing pad 31 is provided with several protruding rings evenly distributed, the corresponding protruding rings are closely positioned in the sealing groove, and the sealing pad 31 is far away from the fixed Several silicone sealing rings 311 are provided on the inner wall of one end of the sleeve 21 .

When in use, the fixed sleeve 21 is sealed and installed on the incubator 1, the solar heat collecting tube 3 is installed in the sealing unit 2, and extends into the incubating box 1, and the solar heat collecting tube 3 Sealed by the sealing gasket 31 and the fixed sleeve 21, the sealing gasket 31 ensures the sealing between its outer wall and the fixed sleeve 21 (the sealing gasket 31 is a hydrogenated nitrile gasket, which can resist tension expansion, compression and corrosion, etc.), the solar collector tube 3 is sealed with the gasket 31 through the silicone seal ring 311; the tightening amount of the locking sleeve 23 is adjusted, and the spring 241 is used to control the Locking sleeve 23 puts pressure on the sealing gasket 31, and then transfers this pressure to the silicone sealing ring 311, so as to ensure that the silicone sealing ring 311 can be pressed tightly on the solar heat collecting tube 3, and Continuously compensate the lack of elasticity of the silicone sealing ring 311 itself.

In the heat collecting header of the utility model, a sealing unit is added between the solar heat collecting tube and the incubator to optimize the sealing method of the silicone sealing ring, and continuously apply a pressure to the silicone sealing ring through the sealing unit to compensate the silicone sealing ring The lack of self-elasticity due to external factors ensures the sealing effect between the solar collector tube and the incubator and improves the heat exchange efficiency.

Obviously, those skilled in the art can make various changes and modifications to the utility model without departing from the spirit and scope of the utility model. In this way, if these modifications and variations of the utility model fall within the scope of the claims of the utility model and equivalent technologies thereof, the utility model is also intended to include these modifications and variations.

Claims (4)

1. a kind of solar heating engineering thermal collecting header, it is characterised in that including incubator, can releasably be arranged on the guarantor Several sealing units on incubator and the solar energy heat collection pipe being sealingly mounted in the sealing unit, the sealing unit Connect with the incubator, gasket is equipped between the solar energy heat collection pipe and the sealing unit, the incubator One end is equipped with overflow pipe, and the other end of the incubator is equipped with water inlet pipe and outlet pipe, the incubator include shell, liner with And the insulating layer between the shell and the liner, the sealing unit include being sealingly mounted at consolidating on the shell Determine regulating sleeve in the fixes sleeve of sleeve, Screw assembly and the locking sleeve being nested on the gasket, institute State and spring groove is offered on regulating sleeve and the locking sleeve, spring is installed in the spring groove, the gasket is remote Periphery wall from one end of the fixes sleeve is in flared trumpet shape, and the inner wall of the corresponding regulating sleeve is also in flared trumpet Shape, the inner wall clamping of the regulating sleeve are positioned on the periphery wall of the gasket.

A kind of 2. solar heating engineering thermal collecting header as claimed in claim 1, it is characterised in that the fixes sleeve it is interior Several equally distributed annular seal grooves are offered on wall, the periphery wall of the gasket is equipped with equally distributed some A bulge loop, the corresponding bulge loop, which is adjacent to, to be positioned in the seal groove, the one end of the gasket away from the fixes sleeve Inner wall be equipped with several silica gel sealing rings.

3. a kind of solar heating engineering thermal collecting header as claimed in claim 1, it is characterised in that the water inlet pipe is located at institute State the top of outlet pipe.

A kind of 4. solar heating engineering thermal collecting header as claimed in claim 1, it is characterised in that the solar energy heat collection pipe One end away from the incubator is equipped with fixing bracket.