Unpowered cycle phase change heat transfer split type solar water heater

Abstract

The utility model provides an unpowered circulation phase change heat transfer split type solar water heater, which relates to the technical field of solar water heaters, and comprises a phase change heat storage container and a solar heat collector, the input end of the heat conduction heat exchange pipe is in butt joint with a water pipe located on the upper portion in the solar heat collector, a phase change material is arranged in the phase change heat storage container, a butt joint base is installed at the bottom of the phase change heat storage container, and a pipeline assembly frame is installed in the phase change heat storage container. Phase-change materials in the phase-change heat storage container are discharged, then the assembly rotating rod is disassembled, and the pipeline assembly frame, the cold water heat exchange pipe and the heat conduction heat exchange pipe are upwards lifted and pulled away, so that the cold water heat exchange pipe and the heat conduction heat exchange pipe are rapidly separated from the phase-change heat storage container, the cleaning, disassembling and installing efficiency of the pipeline is improved, and the problem that the pipeline is fixedly installed in the container and cannot be damaged is solved. And the maintenance difficulty of the water heater is high due to complicated disassembly of the container.

Description

TECHNICAL FIELD

[0001] The utility model relates to solar water heater technical field especially relates to a kind of unpowered circulation phase change heat transfer split type solar water heater. BACKGROUND

[0002] Phase change water heater is a kind of high-efficiency heat storage and heat supply hot water equipment using the characteristics of phase change material, and its core is that phase change material will occur solid-liquid or liquid-gas phase change when temperature changes, absorbs or releases a large amount of latent heat in this process, so as to store more heat in smaller volume, traditional water heater simply relies on sensible heat storage, temperature changes greatly, and heat storage efficiency is low;Phase change water heater can store and release heat stably through phase change material, can make water temperature fluctuation smaller, heating speed faster, and when power failure or insufficient light (such as solar coupling scene), the heat stored by phase change material can continue to heat, prolong the hot water supply time, reduce energy waste, phase change material can be recycled thousands of times, long service life, good stability, help to reduce long-term use cost, improve energy utilization efficiency, suitable for families or small commercial places with high requirements for hot water supply stability and energy saving.

[0003] Traditional phase change type water heater does not store hot water, and heat exchange pipeline is used inside to warm cold water, so the length of pipeline inside phase change heat storage container of traditional phase change water heater is longer than that of traditional water heater, and the heat exchange performance of pipeline will directly affect the heating efficiency of hot water, so in order to maintain the high heat exchange efficiency of water heater, the replacement and maintenance of pipeline are particularly important, and the pipeline is fixedly installed in the container, the container is cumbersome to disassemble, so that the maintenance difficulty of water heater is high. UTILITY MODEL CONTENTS

[0004] The utility model provides a kind of unpowered circulation phase change heat transfer split type solar water heater, to solve the problem that traditional phase change type water heater does not store hot water, and heat exchange pipeline is used inside to warm cold water, so the length of pipeline inside phase change heat storage container of traditional phase change water heater is longer than that of traditional water heater, and the heat exchange performance of pipeline will directly affect the heating efficiency of hot water, so in order to maintain the high heat exchange efficiency of water heater, the replacement and maintenance of pipeline are particularly important, and the pipeline is fixedly installed in the container, the container is cumbersome to disassemble, so that the maintenance difficulty of water heater is high.

[0005] The utility model provides a kind of no power circulation phase change heat transfer split type solar water heater, specifically includes: phase change heat storage container, solar energy collector, the phase change heat storage container inside is equipped with heat conduction heat exchange pipe, the input end of the heat conduction heat exchange pipe is butt joint with the water pipe in solar energy collector and is located above, the phase change heat storage container has phase change material inside, the bottom of the phase change heat storage container is equipped with butt base, pipeline assembly frame is installed in the phase change heat storage container, the pipeline assembly frame center is rotatably connected with assembly screw rod, the pipeline assembly frame is fixedly connected cold water heat exchange pipe and heat conduction heat exchange pipe, the water pipe in solar energy collector and is located below is fixedly connected heat conduction output pipe, the other end of the heat conduction output pipe is fixedly connected butt base.

[0006] Further, the upper and lower of the phase change heat storage container are respectively provided with a container docking port of circular structure, the inner edge of the container docking port is in a slope structure, and the lower surface edge of the phase change heat storage container is fixedly connected with four docking columns.

[0007] Further, the upper surface of the butt base is provided with four docking sockets, the docking sockets are tightly inserted with the docking columns, the butt base is provided with a water pipe insertion port and a heat conduction medium pipe port, the lower end of the water pipe insertion port is connected with the heat conduction output pipe, and the lower end of the heat conduction medium pipe port is fixedly connected with the hot water output pipe.

[0008] Further, the cold water heat exchange pipe is a spiral structure pipe made of brass, and the lower end of the cold water heat exchange pipe is tightly inserted into the water pipe insertion port.

[0009] Further, the heat conduction heat exchange pipe is a spiral structure pipe made of brass, and the lower end of the heat conduction heat exchange pipe is tightly inserted into the heat conduction medium pipe port.

[0010] Further, the pipeline assembly frame is formed by fixing two disc-shaped plates through pipeline connection pipes, the outer edge of the disc-shaped plate of the pipeline assembly frame is in a slope, and the slope is tightly attached to the container docking port.

[0011] Further, the assembly screw rod is rotatably connected in the pipeline connection pipe through a bearing, the upper end of the assembly screw rod is fixedly connected with a screw rod hand wheel, and the lower end of the assembly screw rod is provided with a tension screw.

[0012] The utility model provides a kind of no power circulation phase change heat transfer split type solar water heater, with following beneficial effects:

[0013] The solar water heater in the utility model is a phase change water heater, heat energy is collected through a solar heat collector, and then the heat energy is transmitted to phase change material in a phase change heat storage container through heat conduction medium in a heat conduction output pipe and a heat conduction heat exchange pipe, so that the phase change material absorbs heat and simultaneously solid-liquid or liquid-gas phase change occurs, and a large amount of heat energy is absorbed, when water is used, cold water flows through the cold water heat exchange pipe and flows out through the hot water output pipe, in the process, the phase change heat storage container is flowed through, so that the phase change material in the phase change heat storage container releases heat and simultaneously liquid-solid or gas-liquid phase change occurs, and a large amount of heat energy is released, cold water in the cold water heat exchange pipe is heated, and therefore the function of heating water is realized.

[0014] In addition, the cold water heat exchange pipe and the heat conduction heat exchange pipe are fixedly connected in the pipeline assembly frame, are supported in the phase change heat storage container, and are separated from the phase change material in the phase change heat storage container when the pipeline is cleaned or replaced, the assembly rotating rod is disassembled, the pipeline assembly frame, the cold water heat exchange pipe and the heat conduction heat exchange pipe are pulled up and separated from the hot water output pipe and the heat conduction output pipe, the cold water heat exchange pipe and the heat conduction heat exchange pipe are quickly separated from the phase change heat storage container, and the cleaning, disassembly and installation efficiency of the pipeline is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings of the embodiments will be briefly introduced below.

[0016] The drawings in the following description only relate to some embodiments of the utility model, and are not limited to the utility model.

[0017] In the drawings:

[0018] Figure 1 A schematic view showing the overall structure of the present application is shown;

[0019] Figure 2 A structure schematic view of the right side of the present application is shown;

[0020] Figure 3 A structure schematic view of the phase change heat storage container of the present application is shown;

[0021] Figure 4 A structure schematic view of the phase change heat storage container and the pipeline assembly frame in a disassembled state of the present application is shown;

[0022] Figure 5 A structure schematic view of the docking socket of the present application is shown;

[0023] Figure 6 A structure schematic view of the container docking port of the present application is shown.

[0024] Reference signs:

[0025] 1, phase change heat storage container; 101, container docking interface; 103, docking plug; 2, docking base; 201, base screw sleeve; 202, docking socket; 203, water pipe plug-in interface; 204, heat conduction medium pipe interface; 3, pipeline assembly frame; 301, sealing wedge surface; 302, pipeline connecting pipe; 4, assembly rotating rod; 401, rotating rod hand wheel; 402, tension thread; 5, cold water heat exchange pipe; 6, hot water output pipe; 7, heat conduction heat exchange pipe; 8, heat conduction output pipe; 9, solar heat collector. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the embodiments of the present application will be described clearly and completely below with reference to the drawings of the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the described embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] Embodiment one: please refer to Figures 1 to 6 :

[0028] The utility model proposes a kind of unpowered circulation phase change heat transfer split type solar water heater, comprising: phase change heat storage container 1, solar heat collector 9, phase change heat storage container 1 inside is equipped with heat conduction heat exchange pipe 7, the input end of heat conduction heat exchange pipe 7 is connected with the water pipe in solar heat collector 9 located above, phase change heat storage container 1 has phase change material inside, the bottom of phase change heat storage container 1 is equipped with docking base 2, phase change heat storage container 1 inside is equipped with pipeline assembly frame 3, pipeline assembly frame 3 center is rotatably connected with assembly rotating rod 4, pipeline assembly frame 3 fixedly connects cold water heat exchange pipe 5 with heat conduction heat exchange pipe 7, the water pipe in solar heat collector 9 located below is fixedly connected with heat conduction output pipe 8, the other end of heat conduction output pipe 8 is fixedly connected with docking base 2;In normal state, the lower end of cold water heat exchange pipe 5 is connected with the end of hot water output pipe 6 by water pipe plug-in interface 203, the lower end of heat conduction heat exchange pipe 7 is connected with the end of heat conduction output pipe 8 by heat conduction medium pipe interface 204, when solar heat collector 9 is heated, heat conduction medium in solar heat collector 9 flows upwards, flows into heat conduction heat exchange pipe 7, and flows into heat conduction output pipe 8 by spiral pipe structure, finally returns solar heat collector 9, realizes the unpowered circulation flow of heat conduction medium, so that phase change material in phase change heat storage container 1 occurs phase change and stores heat energy.

[0029] In the embodiment of the present disclosure, the upper and lower parts of the phase change heat storage container 1 are respectively provided with container docking interfaces 101 in circular structure, the inner edges of the container docking interfaces 101 are in inclined surface structure, the lower surface edges of the phase change heat storage container 1 are fixedly connected with four docking plug columns 103, the upper surface of the docking base 2 is provided with four docking plug openings 202, the docking plug openings 202 are tightly plugged with the docking plug columns 103, the docking base 2 is provided with a water pipe plug interface 203 and a heat conduction medium pipe interface 204, the lower end of the water pipe plug interface 203 is connected with a heat conduction output pipe 8, and the lower end of the heat conduction medium pipe interface 204 is fixedly connected with a hot water output pipe 6; the phase change heat storage container 1 is stably supported by the plugging of the docking plug columns 103 and the docking plug openings 202, and under normal conditions, the cold water heat exchange pipe 5 is docked with the hot water output pipe 6 and the heat conduction heat exchange pipe 7 is docked with the heat conduction output pipe 8, and when the phase change heat storage container 1 and the docking base 2 are separated, the two groups of pipes are automatically separated, so as to improve the convenience of disassembly, transportation and installation of the equipment.

[0030] In the embodiment of the present disclosure, the cold water heat exchange pipe 5 is a spiral structure pipe made of brass, the lower end of the cold water heat exchange pipe 5 is tightly plugged in the water pipe plug interface 203, the heat conduction heat exchange pipe 7 is a spiral structure pipe made of brass, the lower end of the heat conduction heat exchange pipe 7 is tightly plugged in the heat conduction medium pipe interface 204, and the cold water heat exchange pipe 5 and the heat conduction heat exchange pipe 7 made of brass have good heat conductivity, which can effectively improve the heat exchange efficiency.

[0031] In the embodiment two, on the basis of the embodiment one, the pipe assembly frame 3 is formed by fixedly connecting two disc type plates through pipe connecting pipes 302, the outer edges of the disc type plates of the pipe assembly frame 3 are in inclined surface structure and tightly adhere to the container docking interfaces 101, a sealing ring is arranged between the edges of the container docking interfaces 101 and the edges of the pipe assembly frame 3, the assembly rotating rod 4 is rotatably connected in the pipe connecting pipe 302 through a bearing, the upper end of the assembly rotating rod 4 is fixedly connected with a rotating rod handle 401, and the lower end of the assembly rotating rod 4 is provided with a tension screw 402; under normal conditions, the tension screw 402 is screw-connected with the base screw joint 201, the phase change heat storage container 1 is tightly pressed downward by the assembly rotating rod 4, the docking firmness of the docking base 2 and the phase change heat storage container 1 is improved, and the probability of leakage of the phase change material is reduced.

[0032] The working principle of the embodiment is as follows: first, the solar heat collector 9 is installed in a good light condition, and heat energy is collected through the solar heat collector 9, and then the heat energy is transmitted to the phase change material in the phase change heat storage container 1 through the heat conduction medium in the heat conduction output pipe 8 and the heat conduction heat exchange pipe 7, so that the phase change material absorbs heat and undergoes solid-liquid or liquid-gas phase change, and absorbs a large amount of heat energy. When water is used, cold water flows through the cold water heat exchange pipe 5 and flows out through the hot water output pipe 6, and in this process, the phase change material in the phase change heat storage container 1 releases heat and undergoes liquid-solid or gas-liquid phase change, and releases a large amount of heat energy, so as to heat the cold water in the cold water heat exchange pipe 5. Thus, the function of heating water is realized. When the pipeline in the phase change heat storage container 1 is disassembled, the phase change material in the phase change heat storage container 1 is discharged, the assembly rotating rod 4 is disassembled, the pipeline assembly rack 3, the cold water heat exchange pipe 5 and the heat conduction heat exchange pipe 7 are pulled up and separated, and the cold water heat exchange pipe 5 and the heat conduction heat exchange pipe 7 are cleaned or disassembled and replaced. After the pipeline maintenance is completed, the pipeline assembly rack 3 is vertically inserted and connected into the phase change heat storage container 1, the assembly rotating rod 4 is rotated, the screw connection between the tensioning screw 402 and the base screw connection sleeve 201 is tightened, the pipeline assembly rack 3 and the container butt joint interface 101 are firmly connected, and the maintenance and assembly of the water heater are completed.

[0033] In this paper, the following points need to be noted:

[0034] 1. The drawings of the embodiments of the present disclosure only relate to the structures involved in the embodiments of the present disclosure, and other structures can refer to the usual design.

[0035] 2. In the case of no conflict, the embodiments of the present disclosure and the features in the embodiments can be combined to obtain new embodiments.

[0036] The above is only a specific implementation of the present disclosure, but the protection scope of the present disclosure is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present disclosure, which should be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. A passive loop phase change heat transfer split solar water heater comprising: The phase change heat storage container (1) is internally provided with a heat conduction heat exchange pipe (7), the input end of the heat conduction heat exchange pipe (7) is connected with the water pipe in the upper part of the solar heat collector (9), the phase change heat storage container (1) is internally provided with a phase change material, characterized in that the bottom of the phase change heat storage container (1) is provided with a docking base (2), the phase change heat storage container (1) is internally provided with a pipe assembly frame (3), the center of the pipe assembly frame (3) is provided with a rotating assembly rod (4), the pipe assembly frame (3) is fixedly connected with a cold water heat exchange pipe (5) and a heat conduction heat exchange pipe (7), the water pipe in the lower part of the solar heat collector (9) is fixedly connected with a heat conduction output pipe (8), and the other end of the heat conduction output pipe (8) is fixedly connected with the docking base (2).

2. The non-powered circulating phase change heat transfer split type solar water heater according to claim 1, wherein the phase change heat storage container (1) is provided with a circular container docking port (101) at the upper and lower parts thereof, the inner edge of the container docking port (101) is in a bevel structure, and the lower surface edge of the phase change heat storage container (1) is fixedly connected with four docking insertion columns (103).

3. The non-powered circulating phase change heat transfer split type solar water heater according to claim 2, wherein the upper surface of the docking base (2) is provided with four docking insertion ports (202), the docking insertion ports (202) are tightly inserted with the docking insertion columns (103), the docking base (2) is provided with a water pipe insertion port (203) and a heat conduction medium pipe port (204), the lower end of the water pipe insertion port (203) is connected with the heat conduction output pipe (8), and the lower end of the heat conduction medium pipe port (204) is fixedly connected with the hot water output pipe (6).

4. The non-powered circulating phase change heat transfer split type solar water heater according to claim 3, wherein the cold water heat exchange pipe (5) is a spiral structure pipe made of brass, and the lower end of the cold water heat exchange pipe (5) is tightly inserted into the water pipe insertion port (203).

5. The non-powered circulating phase change heat transfer split type solar water heater according to claim 3, wherein the heat conduction heat exchange pipe (7) is a spiral structure pipe made of brass, and the lower end of the heat conduction heat exchange pipe (7) is tightly inserted into the heat conduction medium pipe port (204).

6. The non-powered circulating phase change heat transfer split type solar water heater according to claim 2, wherein the pipe assembly frame (3) is formed by fixing two disc-shaped plates through a pipe connecting pipe (302), the outer edge of the disc-shaped plate of the pipe assembly frame (3) is in a bevel structure, and the bevel structure is tightly attached to the container docking port (101).

7. The non-powered circulating phase change heat transfer split type solar water heater according to claim 6, wherein ​ ​ ​ ​ ​ The assembly rotating rod (4) is rotatably connected in the pipeline connecting pipe (302) through a bearing, the upper end of the assembly rotating rod (4) is fixedly connected with a rotating rod hand wheel (401), and the lower end of the assembly rotating rod (4) is provided with a tensioning screw (402).

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