CN216159355U - Solar water heater with built-in water return pipe and connecting structure - Google Patents
Solar water heater with built-in water return pipe and connecting structure Download PDFInfo
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- CN216159355U CN216159355U CN202122270669.0U CN202122270669U CN216159355U CN 216159355 U CN216159355 U CN 216159355U CN 202122270669 U CN202122270669 U CN 202122270669U CN 216159355 U CN216159355 U CN 216159355U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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Abstract
The utility model relates to a solar water heater with a built-in water return pipe and a connecting structure thereof, which comprises a water tank, wherein the two ends of the water tank are provided with a water return interface and a water outlet interface which are communicated with the inner cavity of the water tank. The utility model has the beneficial effects that: the water return pipe penetrating through the water tank from the inside is adopted, the length of a water return pipeline can be effectively shortened, heat dissipation is avoided, the efficiency of the solar heating device is improved, the heat preservation groove is formed in the pipeline joint of the water tank, the connecting structure is arranged in the heat preservation groove, the pipeline joint can be effectively prevented from being frozen, and particularly in alpine regions, remarkable heat preservation and anti-freezing effects can be obtained. The high-temperature-resistant silicone tube is used as a material for connecting pipelines, so that the anti-freezing and heat-insulating effects are good, and the installation and operation are convenient.
Description
Technical Field
The utility model relates to a solar heating device, in particular to a solar water heater with a built-in water return pipe and a connecting structure.
Background
An important problem faced by the solar heating device adopted in the alpine region is how to effectively insulate the heat of the solar heating device, especially the heat of a water tank and a pipeline, if the heat insulation measures are not good or proper, a large amount of heat energy can be dissipated, and the water tank or the pipeline can be frozen under severe conditions, so that equipment is damaged. The pipeline in the solar heating device is the main part of heat loss, the heat loss is obviously increased along with the increase of the length of the pipeline, a shorter water supply pipe and a shorter water return pipe are adopted in the design of the solar heating system as much as possible, but the water supply pipe and the water return pipe are usually arranged at two ends of the water tank respectively, a section of pipeline which passes through the length of the water tank is required, and the section of pipeline inevitably carries the heat loss in the external air. The most probable heat insulation problem position in another solar heating device is at the interface of the pipeline and the water tank, because the interface needs to adopt metal connecting pipe fittings, and the structure of the connecting pipe fittings is far larger than the size of the pipeline, the condition that the pipeline interface is frozen often appears in the solar heating device in alpine regions.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a solar water heater with a built-in water return pipe and a connecting structure, and the heat insulation effect of a solar heating device is improved.
In order to achieve the purpose, the technical scheme of the utility model is as follows: a solar water heater with a built-in water return pipe comprises a water tank, wherein a water return interface and a water outlet interface which are communicated with an inner cavity of the water tank are arranged at two ends of the water tank, a water return through pipe is arranged on the water tank and penetrates through the water tank, and water return through pipe interfaces are respectively arranged at two ends of the water tank.
Furthermore, in order to enable the backwater through pipe interface to have a good heat preservation and anti-freezing effect, a heat preservation groove is formed in the backwater through pipe interface of the water tank.
Furthermore, a preferable heat preservation groove structure is that the depth of the heat preservation groove recessed into the end face of the water tank is 40 mm-50 mm.
Furthermore, a preferable heat preservation groove structure is that the heat preservation groove is a circular groove concentric with the return water through pipe, and the diameter of the heat preservation groove is 60-80 mm larger than that of the return water through pipe.
A built-in return pipe solar water heater connection structure is used for connecting a solar water heater with a water supply pipe and a return pipe of a heat supply system, and comprises one or more built-in return pipe solar water heaters, wherein the water supply pipe of the heat supply system is connected with a water outlet interface of a water tank, the return pipe of the heat supply system is connected with a return pipe interface of the water tank, and the return pipe interface of the water tank is connected with the return pipe interface through a return U-shaped pipe.
Furthermore, in order to conveniently connect the backwater through pipe interface and the backwater interface, the backwater U-shaped pipe is a high-temperature-resistant silicon rubber pipe, two ends of the backwater U-shaped pipe are respectively sleeved on the backwater through pipe interface and the backwater interface, and the backwater U-shaped pipe is fixed on the backwater through pipe interface and the backwater interface through a hoop.
Furthermore, in order to obtain a good heat preservation effect of the pipeline connector, the backwater U-shaped pipe extends into the heat preservation groove, the anchor ear is arranged in the heat preservation groove and fixedly provided with the backwater U-shaped pipe, the outer layer of the backwater U-shaped pipe is provided with a heat preservation layer, and the heat preservation layer extends into the heat preservation groove.
Furthermore, the connection mode of the multiple solar water heaters with the built-in water return pipes is that the multiple solar water heaters with the built-in water return pipes are connected with one another, the water return interfaces, the water outlet interfaces and the water return through pipe interfaces of every two adjacent solar water heaters with the built-in water return pipes are connected with one another through middle connecting pipes, the middle connecting pipes are high-temperature-resistant silicon rubber pipes, and the middle connecting pipes are fixed on the water return interfaces, the water outlet interfaces and the water return through pipe interfaces through anchor ears.
Furthermore, in order to obtain good pipe joint heat preservation effect, the intermediate junction pipe stretches into in the heat preservation recess, the staple bolt is in the heat preservation recess internal fixation the intermediate junction pipe, the skin of intermediate junction pipe is equipped with the heat preservation, the heat preservation stretches into in the heat preservation recess.
Furthermore, in order to facilitate the connection operation of the pipeline interface, the hoop is fixed by adopting an inner hexagonal screw.
The utility model has the beneficial effects that: the water return pipe penetrating through the water tank from the inside is adopted, the length of a water return pipeline can be effectively shortened, heat dissipation is avoided, the efficiency of the solar heating device is improved, the heat preservation groove is formed in the pipeline joint of the water tank, the connecting structure is arranged in the heat preservation groove, the pipeline joint can be effectively prevented from being frozen, and particularly in alpine regions, remarkable heat preservation and anti-freezing effects can be obtained. The high-temperature-resistant silicone tube is used as a material for connecting pipelines, so that the anti-freezing and heat-insulating effects are good, and the installation and operation are convenient.
The utility model is described in detail below with reference to the figures and examples.
Drawings
FIG. 1 is a view of the external structure of a solar water heater with a built-in water return pipe according to the present invention;
FIG. 2 is a side view of a solar water heater with a built-in return pipe according to the present invention;
FIG. 3 is a sectional view of the water tank structure of the present invention;
FIG. 4 is a view of the heat insulating structure of the water tank port of the present invention, which is a sectional view taken along line A-A of FIG. 2;
FIG. 5 is a view showing a pipe connection structure of a water tank according to the present invention;
FIG. 6 is a view showing a connection structure of a water tank interface and a water return pipe and a water outlet pipe of a solar heating system according to the present invention, with a heat insulating structure omitted;
FIG. 7 is a view of the connection structure of the backwater through pipe interface and the backwater interface of the water tank of the present invention;
FIG. 8 is a schematic view of a series connection configuration of two solar water heaters with internal return water pipes according to the present invention;
FIG. 9 is a schematic view of a piping connection structure of a two-piece built-in return water pipe solar water heater according to the present invention;
fig. 10 is a view showing the structure of the anchor ear fixed by the socket head cap screw according to the present invention, and is a partially enlarged view of a portion a of fig. 9.
Detailed Description
As shown in fig. 1 to 4, the solar water heater with the built-in water return pipe comprises a water tank 10, wherein a water return interface 11 and a water outlet interface 12 which are communicated with an inner cavity of the water tank are arranged at two ends of the water tank, the water tank is provided with a water return through pipe 13, the water return through pipe penetrates through the water tank, and water return through pipe interfaces 14 are respectively arranged at two ends of the water tank.
And a heat preservation groove 15 is formed at the joint of the water return through pipe of the water tank.
The depth D of the heat preservation groove recessed into the end face of the water tank ranges from =40mm to 50 mm.
The heat preservation groove is a circular groove concentric with the water return through pipe, and the diameter D2 of the heat preservation groove is larger than the diameter (D1) of the water return through pipe by 60-80 mm.
Referring to fig. 5 to 10, a connection structure of a solar water heater with a built-in water return pipe, which connects a water supply pipe 21 and a water return pipe 22 of the solar water heater and a heat supply system, includes one or more built-in water return pipe solar water heaters, the water supply pipe 21 of the heat supply system is connected to a water outlet port 12 of a water tank, the water return pipe 22 of the heat supply system is connected to a water return pipe port 14 of the water tank, and the water return pipe port 14 of the water tank is connected to the water return port 11 through a water return U-shaped pipe 31.
The backwater U-shaped pipe 31 is a high-temperature-resistant silicon rubber pipe, two ends of the backwater U-shaped pipe are respectively sleeved on the backwater through pipe connector 14 and the backwater connector 12, and the backwater U-shaped pipe is fixed on the backwater through pipe connector and the backwater connector through a hoop 40.
The backwater U-shaped pipe extends into the heat preservation groove 15, the anchor ear 40 is arranged in the heat preservation groove and used for fixing the backwater U-shaped pipe, the outer layer of the backwater U-shaped pipe is provided with a heat preservation layer 50, and the heat preservation layer extends into the heat preservation groove 15 as shown in figure 4.
As shown in fig. 8, there are a plurality of solar water heaters with built-in water return pipes connected with each other, the water return interfaces, the water outlet interfaces and the water return through pipe interfaces of two adjacent solar water heaters with built-in water return pipes are connected with each other through middle connecting pipes 32, the middle connecting pipes are high temperature resistant silicon rubber pipes, and the middle connecting pipes are fixed on the water return interfaces, the water outlet interfaces and the water return through pipe interfaces through anchor ears 40.
The middle connecting pipe 32 extends into the heat-insulation groove, the hoop 40 is fixed in the heat-insulation groove, the heat-insulation layer 50 is arranged on the outer layer of the middle connecting pipe, and the heat-insulation layer extends into the heat-insulation groove 15.
The hoop is fixed by adopting an inner hexagon screw 41.
The first embodiment is as follows:
referring to fig. 1 to 4, a solar water heater with a built-in water return pipe comprises a water tank 10, wherein the water tank is connected with a heat collecting pipe 16, and the water tank and the heat collecting pipe are supported on a mounting surface by a support 17.
The two ends of the water tank are provided with a water return interface 11 and a water outlet interface 12, the water return interface and the water outlet interface are communicated with an inner cavity of the water tank, the water return interface and the water outlet interface are used for connecting a water supply pipe and a water return pipe of a solar heating system, circulating water of the heating system flows back to the water tank through the water return pipe to be heated, and the heated circulating water is output from a water outlet.
The water tank is provided with a water return through pipe 13 which penetrates through the water tank 10, two ends of the water return through pipe extend out of two ends of the water tank, and two ends of the water tank respectively form a water return through pipe connector 14.
The water tank is provided with a heat preservation groove 15 at the joint of the backwater through pipe. The heat preservation groove 15 is recessed into the end of the water tank, the heat preservation groove is a circular groove concentric with the return water through pipe, according to engineering practice, the depth D of the heat preservation groove recessed into the end face of the water tank is 40 mm-50 mm, and the diameter D2 of the heat preservation groove is 60 mm-80 mm larger than the diameter (D1) of the return water through pipe. In this embodiment, the backwater siphunculus is 32mm, and the degree of depth D =50mm, the diameter D2=100mm of heat preservation recess.
The water tank is also provided with the same heat preservation grooves (11 a, 12 a) at the water return interface and the water outlet interface.
The backwater interface 11, the water outlet interface 12 and the backwater through pipe interface 14 are connected with the pipeline in the heat preservation groove, and the heat preservation groove is filled with the heat preservation layer 50, so that the heat preservation effect at the pipeline interface can be obviously improved, and particularly in alpine regions, the pipeline interface can be effectively prevented from being frozen and equipment can be prevented from being damaged. As shown in fig. 4, at one end of the water tank 10, the return water pipe connector 14 is connected to a return water pipe 22 of the solar heating system through a pipe connector 22a, the water outlet connector 12 is connected to a water supply pipe 21 of the solar heating system through a pipe connector 21a, and the return water connector 11 is plugged by a pipe end socket 11 b. The pipe joints (21 a, 22 a) are horizontally arranged in the heat preservation grooves, and the freezing at the pipe joints can be effectively prevented.
The original solar water heater needs to be connected with a water return pipeline and a water outlet pipeline at two ends respectively, the embodiment adopts the water return through pipe which penetrates through the water tank from the inside, the water return pipeline is prevented from bypassing the outside of the solar water heater to be connected, the exposed length of the water return pipeline can be effectively shortened, heat dissipation is avoided, the efficiency of the solar heating device is improved, and the solar heating device has remarkable heat preservation and energy saving effects particularly in alpine regions.
Example two:
referring to fig. 5 to 7, a connection structure of a solar water heater with a built-in water return pipe, which is shown in the first embodiment, is adopted to connect the solar water heater with a water supply pipe 21 and a water return pipe 22 of a heating system.
In this embodiment, the solar heating system employs a single solar water heater with a built-in return water pipe.
The water supply pipe 21 of the heating system is connected at one end to the outlet port 12 of the water tank. At the same end, a water return pipe 22 of the heating system is connected with a water return through pipe connector 14 of the water tank, and a water return port 11 at the same end is sealed by a pipe end enclosure 11b, as shown in fig. 6.
At the other end of the water tank 10, the backwater through pipe interface 14 is connected to the backwater interface 11 through a backwater U-shaped pipe 31, and the water outlet 12 at the same end is sealed by a pipe end enclosure 12b, as shown in fig. 7.
In this embodiment, the water supply pipe 21 and the water return pipe 22 of the heating system are connected to the water outlet port 12 and the water return pipe port 14 of the water tank at the same end. Avoiding the need to provide a return pipe or supply pipe connecting the two ends of the water tank from outside the water tank. The low-temperature circulating water from the water return pipe 22 passes through the inner cavity of the water tank through the water return through pipe 13 and enters the water tank from the water return port at the other end.
The backwater U-shaped pipe 31 is a high-temperature-resistant silicon rubber pipe, two ends of the backwater U-shaped pipe are respectively sleeved on the backwater through pipe connector 14 and the backwater connector 12, and the backwater U-shaped pipe is fixed on the backwater through pipe connector and the backwater connector through a hoop 40.
One end of the backwater U-shaped pipe extends into the heat preservation groove 15 of the backwater through pipe connector, the other end of the backwater U-shaped pipe extends into the heat preservation groove 11a of the backwater connector, and the anchor ear 40 fixes the backwater U-shaped pipe in the heat preservation grooves (15, 11 a). As shown in the first embodiment, the outer layer of the backwater U-shaped pipe is provided with an insulating layer 50, and the insulating layer extends into the insulating groove, as shown in fig. 4.
As shown in fig. 10, the anchor ear 40 is fixed by an inner hexagonal screw 41 so as to be able to easily install and fix the backwater U-shaped pipe. The inner hexagonal wrench bent at a right angle can be used for conveniently fastening the hoop.
The backwater U-shaped pipe adopts a high-temperature resistant silicon rubber pipe, has good anti-freezing and heat-insulating effects and is convenient to install and operate.
Example three:
referring to fig. 8 and 9, a solar water heater with a built-in water return pipe is connected with a water supply pipe and a water return pipe of a heating system by using the solar water heater with the built-in water return pipe according to the first embodiment.
Most solar heating systems adopt a plurality of solar water heaters which are connected in series to obtain sufficient solar heating effect. In this embodiment, the solar heating system includes two solar water heaters with built-in return water pipes.
A water supply pipe 21 of the heating system is connected with a water outlet interface 12 of the water tank 10a of the first solar water heater with the built-in water return pipe, a water return pipe 22 of the heating system is connected with a water return through pipe interface 14 of the water tank 10a of the first solar water heater with the built-in water return pipe, and a water return port at the same end is sealed by a pipe end socket (refer to a connecting structure shown in fig. 6). The water return through pipe interface 14 of the second water tank is connected with the water return interface 11 through a water return U-shaped pipe 31, and the water outlet at the same end is sealed by a pipe end enclosure (refer to the connection structure shown in fig. 7).
The two solar water heaters with the built-in water return pipes are of a series structure, the water return interfaces, the water outlet interfaces and the water return through pipe interfaces of the two solar water heaters with the built-in water return pipes are connected with one another through middle connecting pipes 32 at connecting ends, the middle connecting pipes 32 are high-temperature-resistant silicon rubber pipes, and the middle connecting pipes are fixed on the water return interfaces, the water outlet interfaces and the water return through pipe interfaces through anchor ears 40.
The intermediate connecting pipes 32 extend into the heat-insulating grooves (15, 11a, 12 a), and the anchor ear 40 fixes the intermediate connecting pipes in the heat-insulating grooves, as described in the first embodiment, the outer layer of the intermediate connecting pipes is provided with the heat-insulating layer 50, and the heat-insulating layer extends into the heat-insulating grooves, as shown in fig. 4.
In the second embodiment, the anchor ear is fixed by the socket head cap screw 41.
This embodiment has realized that two built-in wet return solar water heater connect. More than two connecting structures of the solar water heater with the built-in water return pipe can be arranged according to the connecting structure of the embodiment.
Claims (10)
1. A solar water heater with a built-in water return pipe comprises a water tank, wherein a water return interface and a water outlet interface which are communicated with an inner cavity of the water tank are arranged at two ends of the water tank.
2. The solar water heater with the built-in water return pipe as claimed in claim 1, wherein the water tank is provided with a heat preservation groove at the interface of the water return through pipe.
3. The solar water heater with the built-in water return pipe as claimed in claim 2, wherein the depth of the heat preservation groove recessed into the end face of the water tank is 40 mm-50 mm.
4. The solar water heater with the built-in water return pipe according to claim 2, wherein the heat preservation groove is a circular groove concentric with the water return through pipe, and the diameter of the heat preservation groove is 60-80 mm larger than that of the water return through pipe.
5. A connecting structure of a solar water heater with a built-in water return pipe is used for connecting the solar water heater with a water supply pipe and a water return pipe of a heat supply system, and is characterized by comprising one or more solar water heaters with the built-in water return pipe as claimed in any one of claims 1 to 4, wherein the water supply pipe of the heat supply system is connected with a water outlet interface of the water tank, the water return pipe of the heat supply system is connected with a water return through pipe interface of the water tank, and the water return through pipe interface of the water tank is connected with the water return interface through a water return U-shaped pipe.
6. The connecting structure of a solar water heater with a built-in water return pipe according to claim 5, wherein the water return U-shaped pipe is a high temperature resistant silicon rubber pipe, two ends of the water return U-shaped pipe are respectively sleeved on the water return through pipe connector and the water return connector, and the water return U-shaped pipe is fixed on the water return through pipe connector and the water return connector through hoops.
7. The connecting structure of a solar water heater with a built-in water return pipe according to claim 6, wherein the water return U-shaped pipe extends into a heat preservation groove, the anchor ear fixes the water return U-shaped pipe in the heat preservation groove, an outer layer of the water return U-shaped pipe is provided with a heat preservation layer, and the heat preservation layer extends into the heat preservation groove.
8. The connecting structure of a solar water heater with a built-in water return pipe according to claim 5, wherein there are a plurality of solar water heaters with built-in water return pipes connected with each other, and the water return ports, the water outlet ports and the water return through pipe ports of two adjacent solar water heaters with built-in water return pipes are connected with each other through middle connecting pipes, wherein the middle connecting pipes are made of high temperature resistant silicon rubber pipes, and are fixed on the water return ports, the water outlet ports and the water return through pipe ports through hoops.
9. The connection structure of a solar water heater with a built-in water return pipe according to claim 8, wherein the intermediate connection pipe extends into a heat preservation groove, the hoop fixes the intermediate connection pipe in the heat preservation groove, and an outer layer of the intermediate connection pipe is provided with a heat preservation layer which extends into the heat preservation groove.
10. The connecting structure of a solar water heater with a built-in water return pipe according to claim 6 or 8, wherein the anchor ear is an anchor ear fixed by using hexagon socket head cap screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122270669.0U CN216159355U (en) | 2021-09-18 | 2021-09-18 | Solar water heater with built-in water return pipe and connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122270669.0U CN216159355U (en) | 2021-09-18 | 2021-09-18 | Solar water heater with built-in water return pipe and connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216159355U true CN216159355U (en) | 2022-04-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122270669.0U Active CN216159355U (en) | 2021-09-18 | 2021-09-18 | Solar water heater with built-in water return pipe and connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216159355U (en) |
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2021
- 2021-09-18 CN CN202122270669.0U patent/CN216159355U/en active Active
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