Solar water heater with lasting heat preservation function

Abstract

The solar water heater with the lasting heat preservation function comprises a water storage barrel and a plurality of heat collecting pipes, the water storage barrel comprises an outer barrel assembly and an inner barrel assembly, the outer barrel assembly comprises a protective outer barrel and a water storage inner barrel, and a first heat preservation interlayer is arranged between the protective outer barrel and the water storage inner barrel; the inner cylinder assembly comprises a heating inner cylinder and a protective sleeve, a second heat preservation interlayer is arranged between the heating inner cylinder and the protective sleeve, and the outer wall of the protective sleeve is fixedly connected with a heat gathering pipe. Water flow needed for heat preservation is stored through the inner cylinder assembly, heat preservation water in the outer cylinder assembly is used for heat preservation of the inner cylinder assembly, heat of the heat preservation water is absorbed in cooperation with the heat gathering pipe, the temperature of the protective sleeve is increased, then the temperature dissipation speed of the water flow in the heating inner cylinder is reduced, and the heat preservation time of the water flow in the inner cylinder assembly is prolonged; meanwhile, the heat collecting pipe is effectively utilized, the working effect of the heat collecting pipe is improved, and long-time heat preservation of the water storage barrel is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of solar water heaters, in particular to a solar water heater with a lasting heat preservation function. Background Art

[0002] In the existing technology, a solar water heater is a heating device that converts sunlight energy into thermal energy, heating water from low temperature to high temperature to meet people's hot water needs in life and production. The solar water heater is mainly composed of a support frame, a heat collecting tube and a water storage tank. The heat collecting tube and the water storage tank are installed on the support frame. During use, the heat collecting tube will transfer heat to the water inside the solar water heater after being exposed to sunlight, thereby heating the water.

[0003] After searching, the Chinese patent application number 202323010221.0 discloses a solar water heater with overheating protection function, including a support frame, a water storage barrel is installed on the support frame, a plurality of heat collecting tubes are installed on the support frame, a connecting frame is fixedly connected to the support frame, a shielding structure is provided on the connecting frame, and the shielding structure includes a reel, a reel is rotatably connected to the connecting frame, two springs are installed at both ends of the reel, a shielding cloth is wound on the reel, one end of the shielding cloth is fixedly connected to the sliding rod, the sliding rod is slidably connected to the connecting frame, two screw rods are threaded on the sliding rod, and the screw rod is rotatably connected to the connecting frame, two motors are installed inside the connecting frame, the output shaft of the motor is connected to one end of the screw rod through a coupling, the connecting frame is rotatably connected to a guide shaft, and the guide shaft is wound around the shielding cloth.

[0004] The above patent has the following shortcomings: the device reduces the heating time of the heat collecting tube by shielding the cloth to protect the heat collecting tube, but in actual use, this will cause the heat collecting tube to have insufficient working time. After the water temperature inside the water storage tank reaches a certain temperature, it will start to release heat and gradually cool down, which is not conducive to the long-term heat preservation of the water flow inside the water storage tank. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to provide a solar water heater with a lasting heat preservation function.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A solar water heater with a long-lasting heat preservation function comprises: a water storage barrel and multiple heat collecting tubes, the water storage barrel comprises an outer tube assembly and an inner tube assembly, the outer tube assembly comprises a protective outer tube and a water storage inner tube, a first heat insulation layer is provided between the protective outer tube and the water storage inner tube; the inner tube assembly comprises a heating inner tube and a protective sleeve, a second heat insulation layer is provided between the heating inner tube and the protective sleeve, the outer wall of the protective sleeve is fixedly connected with a heat collecting tube, the inner wall of the heat collecting tube is equidistantly fixed with multiple heat collecting fins, and one side of the heating inner tube is equidistantly welded with multiple connecting inner tubes, the outer wall of the connecting inner tube is sleeved with a protective sleeve four, the protective sleeve four passes through the outer tube assembly and extends outward, a sealing connecting sleeve is provided inside the extended end thereof, a sealing rubber sleeve is provided inside the sealing connecting sleeve, and the sealing rubber sleeve is sleeved on the top end of the heat collecting tube.

[0008] As a further solution of the present invention: the top cylinder of the heating inner cylinder is fixedly connected to a pressure relief pipe 1, and the top end of the pressure relief pipe 1 is fixedly installed with a pressure relief valve 1.

[0009] As a further solution of the present invention: an inner cylinder water injection pipe is fixedly connected to the bottom of the outer wall of one side of the heating inner cylinder, and a second protective sleeve is sleeved on the outside of the inner cylinder water injection pipe, and the second protective sleeve passes through the outer cylinder assembly and extends outward.

[0010] As a further solution of the present invention: one end of the outer wall of the bottom end of the heating inner cylinder is fixedly connected to a water outlet pipe, the outside of the water outlet pipe is sleeved with a protective sleeve three, and the protective sleeve three passes through the outer cylinder assembly and extends outward.

[0011] As a further solution of the present invention: one end of the outer wall of the bottom end of the protective outer cylinder is fixedly connected to a connecting sleeve 2, the interior of the connecting sleeve 2 is plugged with a connecting sleeve 1, and the connecting sleeve is sleeved on the outside of the protective sleeve 3.

[0012] As a further solution of the present invention: the middle part of one side of the water storage inner cylinder is fixedly connected to the outer cylinder water injection pipe, and the middle part of the bottom end of the water storage inner cylinder is fixedly connected to the drainage pipe.

[0013] As a further solution of the present invention: a second pressure relief pipe is fixedly connected to the top of the other side of the water storage inner cylinder, and a second pressure relief valve is fixedly installed at the end of the second pressure relief pipe.

[0014] As a further solution of the present invention: both ends of the water storage barrel are fixedly sleeved with limit card frames, the bottom end of the limit card frame is fixedly connected to the support frame arm, and the bottom end of the support frame arm is fixedly connected to the support bottom frame.

[0015] Compared with the prior art, the present invention provides a solar water heater with a long-lasting heat preservation function, which has the following beneficial effects:

[0016] This solar water heater stores water required for insulation through an inner cylinder component, uses the insulation water inside the outer cylinder component to insulate the inner cylinder component, cooperates with the heat collecting pipe to absorb the heat of the insulation water, increases the temperature of the protective sleeve, and then reduces the temperature dissipation rate of the water flow inside the heated inner cylinder, increases the insulation time of the water flow inside the inner cylinder component, and effectively utilizes the heat collecting pipe, improves the working effect of the heat collecting pipe, and facilitates the long-term insulation of the water storage tank.

[0017] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. The utility model has a simple structure and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the overall assembly of the utility model;

[0019] Figure 2 It is a partial cross-sectional structural diagram of the overall assembly of the utility model;

[0020] Figure 3 For this utility model Figure 2 Schematic diagram of the enlarged structure at A in the middle;

[0021] Figure 4 For this utility model Figure 2 Schematic diagram of the enlarged structure at B in the middle;

[0022] Figure 5 For this utility model Figure 2 Schematic diagram of the enlarged structure at C in the middle;

[0023] Figure 6 For this utility model Figure 2 Schematic diagram of the enlarged structure at point D in the middle.

[0024] Figure: 1. Support base frame; 2. Support frame arm; 3. Limiting frame; 4. Water storage tank; 401. Protective outer cylinder; 402. Insulation barrier layer 1; 403. Water storage inner cylinder; 404. Heating inner cylinder; 405. Insulation barrier layer 2; 406. Protective sleeve; 407. Pressure relief pipe 1; 408. Protective sleeve 1; 409. Sealing rubber pad; 410. Sealing ring cover 1; 411. Pressure relief valve 1; 412. Heat collecting pipe; 413. Heat collecting fin; 414. Water injection pipe for outer cylinder; 415 , inner tube water injection pipe; 416, protective sleeve two; 417, water outlet pipe; 418, protective sleeve three; 419, connecting sleeve one; 420, connecting sleeve two; 421, sealing ring cover two; 422, drain pipe; 423, connecting inner pipe; 424, protective sleeve four; 425, sealing connecting sleeve; 426, sealing rubber sleeve; 427, sealing rubber ring; 428, sealing ring cover three; 429, pressure relief pipe two; 430, pressure relief valve two; 5, thermal collector tube; 6, support frame rod. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0026] A solar water heater with long-lasting heat preservation function, such as Figures 1 to 6 As shown, it includes: a water storage bucket 4 and multiple heat collecting tubes 5, both ends of the water storage bucket 4 are fixedly sleeved with a limit card frame 3, the bottom end of the limit card frame 3 is fixedly connected to the support frame arm 2, the bottom end of the support frame arm 2 is fixedly connected to the support bottom frame 1, and the top of the front end of the support bottom frame 1 is fixedly installed with a support frame rod 6, the bottom end of the heat collecting tube 5 is inserted into the top end of the support frame rod 6, and the top end of the heat collecting tube 5 is inserted into the water storage bucket 4.

[0027] The water storage barrel 4 includes an outer cylinder assembly and an inner cylinder assembly. The outer cylinder assembly includes a protective outer cylinder 401 and a water storage inner cylinder 403. The water storage inner cylinder 403 is arranged inside the protective outer cylinder 401, and an insulating layer 402 is provided between the protective outer cylinder 401 and the water storage inner cylinder 403 to insulate the interior of the water storage inner cylinder 403.

[0028] An outer tube water injection pipe 414 is fixedly connected to the middle of one side of the water storage inner tube 403. The outer tube water injection pipe 414 passes through the thermal insulation layer 402 and the protective outer tube 401 and extends outward. Its extended end is connected to the water conduit to facilitate the injection of thermal insulation water into the water storage inner tube 403.

[0029] A drainage pipe 422 is fixedly connected to the middle of the bottom end of the water storage inner cylinder 403. The drainage pipe 422 passes through the thermal insulation layer 402 and the protective outer cylinder 401 and extends outward. A control valve is fixedly installed at its extended end to facilitate the discharge of water inside the water storage inner cylinder 403.

[0030] A second pressure relief pipe 429 is fixedly connected to the top of the other side of the water storage inner cylinder 403. The second pressure relief pipe 429 passes through the thermal insulation layer 1 402 and the protective outer cylinder 401 and extends outward. A second pressure relief valve 430 is fixedly installed at the extended end. When the pressure inside the water storage inner cylinder 403 exceeds the threshold set by the second pressure relief valve 430, the second pressure relief valve 430 automatically opens to maintain the stability and safety of the outer cylinder assembly.

[0031] The inner cylinder assembly includes a heating inner cylinder 404 and a protective sleeve 406 . The heating inner cylinder 404 is arranged inside the protective sleeve 406 , and a second heat-insulating layer 405 is provided between the heating inner cylinder 404 and the protective sleeve 406 to insulate the interior of the heating inner cylinder 404 .

[0032] A heat collecting tube 412 is fixedly connected to the outer wall of the protective sleeve 406, and the end of the heat collecting tube 412 away from the protective sleeve 406 is in contact with the inner wall of the water storage inner tube 403, and a plurality of heat collecting fins 413 are fixedly connected to the inner wall of the heat collecting tube 412 at equal intervals, which are used to absorb the temperature of the water flow inside the water storage inner tube 403, increase the temperature of the protective sleeve 406, and extend the insulation time of the water flow inside the heating inner tube 404.

[0033] The top cylinder of the heating inner cylinder 404 is fixedly connected to a pressure relief pipe 407. The top of the pressure relief pipe 407 passes through the thermal insulation layer 405 and the protective sleeve 406 and extends upward. The top of the extended end is fixedly installed with a pressure relief valve 411. When the pressure inside the heating inner cylinder 404 exceeds the threshold set by the pressure relief valve 411, the water vapor from the heating inner cylinder 404 enters the water storage inner cylinder 403 and heats the water flow inside the water storage inner cylinder 403.

[0034] The top cylinder of the protective sleeve 406 is fixedly connected to a protective sleeve 408, and a sealing rubber pad 409 is provided at the top of the protective sleeve 408. A sealing ring cover 410 is provided on the outside of the sealing rubber pad 409. The sealing ring cover 410 is threadedly installed on the top of the protective sleeve 408. The protective sleeve 408 is sleeved on the outside of the pressure relief tube 407, and the protective sleeve 408 and the pressure relief tube 407 are filled with a thermal insulation layer 402.

[0035] An inner tube water injection pipe 415 is fixedly connected to the bottom of the outer wall of the heating inner tube 404 close to the outer tube water injection pipe 414. The outer part of the inner tube water injection pipe 415 is sleeved with a protective sleeve 2 416. The protective sleeve 2 416 extends outward through the outer tube assembly, and the end of the inner tube water injection pipe 415 is connected to the water injection pipe; the protective sleeve 2 416 is welded to the protective sleeve 406, and the space between the protective sleeve 2 416 and the protective sleeve 406 is filled with an insulation layer 1 402.

[0036] An outlet pipe 417 is fixedly connected to one end of the outer wall of the bottom end of the heating inner cylinder 404 near the inner cylinder water injection pipe 415, and a protective sleeve three 418 is sleeved on the outside of the outlet pipe 417. The protective sleeve three 418 is welded to the protective sleeve 406, and the protective sleeve three 418 and the outlet pipe 417 are filled with an insulating layer 1 402; the outlet pipe 417 guides the hot water inside the heating inner cylinder 404 to hot water-using components, such as faucets, through pipes.

[0037] Protective sleeve three 418 extends outward through the outer tube assembly, and one end of the outer wall of the bottom end of the protective outer tube 401 is fixedly connected to a connecting sleeve two 420, and a connecting sleeve one 419 is inserted into the interior of the connecting sleeve two 420. The connecting sleeve one 419 is sleeved on the outside of the protective sleeve three 418, and the connecting sleeve one 419 is sleeved on the outside of the protective sleeve three 418.

[0038] A sealing ring is provided at the bottom end of the connecting sleeve 2 420, and a sealing ring cover 2 421 is provided on the outside of the sealing ring. The sealing ring cover 2 421 is sleeved on the outside of the protective sleeve 3 418 and is threadedly installed on the bottom of the outer wall of the connecting sleeve 2 420. The connecting sleeve 1 419 is welded to the cylinder body of the water storage inner cylinder 403. The sealing ring and the sealing ring cover 2 421 are used to improve the sealing between the connecting sleeve 1 419 and the protective sleeve 3 418.

[0039] A plurality of connecting inner tubes 423 are welded at equal intervals on one side of the heating inner tube 404. The outer wall of the connecting inner tube 423 is sleeved with a protective sleeve four 424. The protective sleeve four 424 passes through the outer tube assembly and extends outward. A sealing connecting sleeve 425 is provided inside the extended end thereof. The space between the protective sleeve four 424 and the connecting inner tube 423 is filled with a thermal insulation layer one 402.

[0040] A sealing rubber sleeve 426 is provided inside the sealing connection sleeve 425, and the sealing rubber sleeve 426 is sleeved on the top of the heat collecting pipe 5, and a sealing rubber ring 427 is provided at one end of the sealing connection sleeve 425, and a sealing ring cover three 428 is provided outside the sealing rubber ring 427, and the sealing ring cover three 428 is threadedly sleeved on the outside of the protective sleeve four 424.

[0041] Working principle:

[0042] Please refer to Figures 1 to 6 , assemble the device as shown in the figure;

[0043] When the device is in use, first, insulating water is injected into the water storage inner cylinder 403 through the outer cylinder water injection pipe 414, and the water fills the water storage inner cylinder 403, and then the outer cylinder water injection pipe 414 is closed; then, the heating inner cylinder 404 is filled with water through the inner cylinder water injection pipe 415, and part of the water flows into the heat collecting pipe 5; the heat collecting pipe 5 absorbs the heat of the sun and heats the water flow inside the heating inner cylinder 404. When the water flow inside the heating inner cylinder 404 is heated to boiling, the pressure inside the heating inner cylinder 404 exceeds the threshold value set by the pressure relief valve 411, and the pressure relief valve 411 opens, and the water vapor from the heating inner cylinder 404 enters the water storage inner cylinder 403 to heat the water flow inside the water storage inner cylinder 403; when the insulating water in the water storage inner cylinder 403 is heated to boiling, the pressure inside the water storage inner cylinder 403 exceeds the threshold value set by the pressure relief valve 430, and the pressure relief valve 430 automatically opens to maintain the stability and safety of the outer cylinder assembly.

[0044] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A solar water heater with a long-lasting heat preservation function, characterized in that: include: A water storage barrel (4) and a plurality of heat collecting tubes (5), wherein the water storage barrel (4) comprises an outer barrel assembly and an inner barrel assembly, wherein the outer barrel assembly comprises a protective outer barrel (401) and a water storage inner barrel (403), wherein a first heat insulation layer (402) is provided between the protective outer barrel (401) and the water storage inner barrel (403); wherein the inner barrel assembly comprises a heating inner barrel (404) and a protective sleeve (406), wherein a second heat insulation layer (405) is provided between the heating inner barrel (404) and the protective sleeve (406), and wherein the outer wall of the protective sleeve (406) is fixedly connected to a heat collecting tube (412). The inner wall of the heat collecting tube (412) is fixedly connected with a plurality of heat collecting fins (413) at equal intervals, and a plurality of connecting inner tubes (423) are welded at equal intervals on one side of the heating inner tube (404). The outer wall of the connecting inner tube (423) is sleeved with a protective sleeve four (424). The protective sleeve four (424) passes through the outer tube assembly and extends outward. A sealing connecting sleeve (425) is provided inside the extended end thereof. A sealing rubber sleeve (426) is provided inside the sealing connecting sleeve (425). The sealing rubber sleeve (426) is sleeved on the top end of the heat collecting tube (5).

2. A solar water heater with a long-lasting heat preservation function according to claim 1, characterized in that: The top cylinder of the heating inner cylinder (404) is fixedly connected to a pressure relief pipe (407), and a pressure relief valve (411) is fixedly installed at the top end of the pressure relief pipe (407).

3. A solar water heater with a long-lasting heat preservation function according to claim 1, characterized in that: An inner cylinder water injection pipe (415) is fixedly connected to the bottom of the outer wall of one side of the heating inner cylinder (404), and a second protective sleeve (416) is sleeved on the outside of the inner cylinder water injection pipe (415), and the second protective sleeve (416) passes through the outer cylinder assembly and extends outward.

4. A solar water heater with a long-lasting heat preservation function according to claim 1, characterized in that: One end of the outer wall of the bottom end of the heating inner cylinder (404) is fixedly connected to a water outlet pipe (417), and the outer portion of the water outlet pipe (417) is sleeved with a third protective sleeve (418), which passes through the outer cylinder assembly and extends outward.

5. The solar water heater with a long-lasting heat preservation function according to claim 1, characterized in that: One end of the outer wall of the bottom end of the protective outer tube (401) is fixedly connected to a second connecting sleeve (420), the interior of the second connecting sleeve (420) is plugged with a first connecting sleeve (419), and the first connecting sleeve (419) is sleeved on the outside of the third protective sleeve (418).

6. A solar water heater with a long-lasting heat preservation function according to claim 1, characterized in that: An outer cylinder water injection pipe (414) is fixedly connected to the middle of one side of the water storage inner cylinder (403), and a drainage pipe (422) is fixedly connected to the middle of the bottom end of the water storage inner cylinder (403).

7. The solar water heater with a long-lasting heat preservation function according to claim 1, characterized in that: A second pressure relief pipe (429) is fixedly connected to the top of the other side of the water storage inner cylinder (403), and a second pressure relief valve (430) is fixedly installed at the end of the second pressure relief pipe (429).

8. The solar water heater with a long-lasting heat preservation function according to claim 1, characterized in that: Both ends of the water storage bucket (4) are fixedly sleeved with a limit card frame (3), the bottom end of the limit card frame (3) is fixedly connected to a support frame arm (2), and the bottom end of the support frame arm (2) is fixedly connected to a support bottom frame (1).

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