A solar water heater for accelerating heat circulation

Abstract

The present invention discloses a solar water heater for accelerating heat circulation in the technical field of solar water heaters, which includes a water tank and a collector. An inner tank is arranged inside the water tank, and a sandwich layer is arranged between the inner tank and the water tank. A container is fixedly connected to the top of the inner tank. A sleeve and a resistance sleeve are fixedly connected to the top of the container through a bracket. A front sliding piece and a rear sliding piece are slidably connected inside the sleeve. A trigger spring is fixedly connected between the front sliding piece and the rear sliding piece. A trigger switch and a trigger rod are respectively fixedly connected to adjacent ends of the front sliding piece and the rear sliding piece. A metal piece is slidably connected inside the resistance sleeve, and a connecting rod is fixedly connected between the metal piece and the sliding piece. In the present invention, a part of the hot water is first electrically heated in the solar energy for the user to use. The water heated by solar energy in the solar energy enters the electric heating area. If the temperature does not reach the standard, the water is further heated. If the temperature reaches the standard, the water is not heated, thereby ensuring that the user always has hot water to use and also reducing the power consumption of the solar energy.

Description

Technical Field

[0001] The present invention relates to the technical field of solar water heaters, and specifically to a solar water heater that accelerates heat circulation. Background Art

[0002] With the rapid development of China's scientific and technological level, it has greatly accelerated China's progress in various fields. However, with the improvement of people's living standards, water heaters have become essential household appliances. The more common ones are gas water heaters, electric water heaters, and solar water heaters. The emergence of water heaters has also provided great convenience for people's lives. Existing water heaters have provided great convenience for people's lives, but at the same time, there are also some drawbacks.

[0003] For example, gas water heaters and electric water heaters consume a large amount of energy when in use, and are restricted by energy. Once there is a power outage or the gas runs out, they cannot be used; while solar water heaters are energy-saving, but are affected by weather factors and sometimes cannot be used, which brings great inconvenience to users. Therefore, improvements are needed. Summary of the Invention

[0004] The technical problem of the present invention is to provide a solar water heater that accelerates heat circulation.

[0005] To achieve the above object, the present invention provides the following technical solution: It includes a water tank and a collector. An inner tank is arranged inside the water tank, and a sandwich layer is arranged between the inner tank and the water tank. A container is fixedly connected to the top of the inner tank. A sleeve and a resistance sleeve are fixedly connected to the top of the container through a bracket. A front sliding piece and a rear sliding piece are slidably connected inside the sleeve. A trigger spring is fixedly connected between the front sliding piece and the rear sliding piece. A trigger switch and a trigger rod are respectively fixedly connected to adjacent ends of the front sliding piece and the rear sliding piece. A metal piece is slidably connected inside the resistance sleeve. A connecting rod is fixedly connected between the metal piece and the sliding piece. A heating plate is fixedly connected inside the container. A notch is opened on the side wall of the container. A retaining ring is slidably connected to the side wall of the container. Movable rings are fixedly connected to both the upper and lower ends of the retaining ring. A cavity is arranged between the movable ring located above and the container, and the cavity is communicated with the sleeve. A limiting ring fixedly connected to the inner tank is arranged between the movable rings. A return spring is fixedly connected between the limiting ring and the movable rings. A one-way water inlet valve and a one-way air outlet valve are respectively arranged at the top of the inner tank and the bottom of the container. A cold water pipe communicated with the inner tank, a hot water pipe communicated with the inner tank, a liquid outlet pipe communicated with the water tank, and a return liquid pipe are fixedly connected to the bottom of the water tank.

[0006] As a further solution of the present invention, both the one-way water inlet valve and the one-way air outlet valve include a housing. An inlet and an outlet are respectively formed at the upper and lower ends of the housing. A valve plate is slidably connected inside the housing. A sector-shaped groove is formed in the valve plate. A control spring is fixedly connected between the top of the valve plate and the housing. A plug head matching the inlet is fixedly connected to the bottom of the valve plate.

[0007] As a further solution of the present invention, a baffle is fixedly connected inside the interlayer, and the baffle is located between the bottom of the inner tank and the notch.

[0008] As a further solution of the present invention, a spiral guide plate is fixedly connected inside the interlayer. An inner pipe is arranged inside the interlayer. The bottom of the inner pipe is communicated with the liquid return pipe, and the top of the inner pipe passes through the guide plate and extends below the baffle.

[0009] As a further solution of the present invention, a fixed pipe communicated with the hot water pipe is fixedly connected to the bottom of the inner tank. An activity pipe is slidably connected to the outer wall of the fixed pipe. Limiting rings are fixedly connected to the inner wall of the bottom of the activity pipe and the outer wall of the top of the fixed pipe respectively. A floating plate is fixedly connected to the top of the activity pipe.

[0010] As a further solution of the present invention, a U-shaped hanging piece is fixedly connected to the outer wall of the water tank. A loop-shaped fixing piece is inserted into the hanging piece. A square groove is formed in the outer wall of the fixing piece, and a mounting hole is formed in the inner wall.

[0011] As a further solution of the present invention, a conical-shaped retaining cap is fixedly connected to the top of the one-way air outlet valve.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0013] 1. In the present invention, during solar heating, the heat transfer medium in the interlayer enters the collector through the liquid outlet pipe. The heated medium returns to the interlayer and exchanges heat with the tap water in the inner tank, circulating reciprocally. While the temperature of the tap water in the inner tank increases, its volume also increases. Under the action of water pressure and the expansion of tap water, the movable ring and the retaining ring move upward, and at the same time, the return spring is stretched. When the water temperature at the top of the inner tank reaches a predetermined temperature (since the density of cold water and hot water is different, the hot water will concentrate at the top of the inner tank), the notch leaks out the hot water at the top of the inner tank into the container. At the same time, the rear sliding piece continues to move, while the front sliding piece moves to the outermost end and stops moving. At this time, the trigger spring is compressed, the trigger rod presses the trigger switch, and the trigger switch controls the heating plate to stop heating.

[0014] 2. In the present invention, when there is insufficient sunlight and the user uses hot water, the water temperature at the top of the inner tank is insufficient and cannot meet the user's needs. The hot water pipe transports the hot water in the container to the water-using device, and the water at the top of the inner tank enters through the one-way inlet valve to supplement the shortage in the container. The heating plate heats the newly incoming tap water, which comes from the top of the inner tank and is slightly warmer than the initial temperature. The energy consumed by the heating plate to heat it to the required temperature is considerably less, which plays a role in saving energy and can also ensure that the user can always use hot water at the predetermined temperature. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0016] Figure 1 Schematic diagram of the overall structure of the present invention;

[0017] Figure 2 Schematic diagram of the overall sectional structure of the present invention;

[0018] Figure 3 For the present invention Figure 2 Schematic diagram of the enlarged structure at A in the present invention;

[0019] Figure 4 Schematic diagram of the sectional structure of the upper half of the water tank of the present invention;

[0020] Figure 5 Schematic diagram of the sectional view of the sleeve and its connection relationship of the present invention;

[0021] Figure 6 Schematic diagram of the sectional structure of the one-way inlet valve of the present invention;

[0022] Figure 7 Schematic diagram of the sectional view of the movable pipe and its connection relationship of the present invention;

[0023] Figure 8 Schematic diagram of the exploded structure of the fixing member and the hanging member of the present invention;

[0024] In the drawings, the list of components represented by each reference numeral is as follows:

[0025] 1. Water tank; 11. One-way inlet valve; 12. Air valve; 13. Cold water pipe; 14. Hot water pipe; 15. Liquid outlet pipe; 16. Liquid return pipe; 2. Inner tank; 31. Sleeve; 32. Resistance sleeve; 33. Front sliding piece; 34. Rear sliding piece; 35. Trigger spring; 36. Trigger switch; 37. Trigger rod; 38. Metal sheet; 39. Connecting rod; 4. Container; 41. Heating plate; 42. Notch; 43. Retaining ring; 44. Movable ring; 45. Cavity; 46. Limiting ring; 47. Return spring; 51. Outer shell; 52. Inlet; 53. Outlet; 54. Valve plate; 55. Sector-shaped groove; 56. Control spring; 57. Plug; 6. Interlayer; 61. Baffle; 62. Guide plate; 64. Inner pipe; 71. Fixed pipe; 72. Movable pipe; 73. Limiting ring; 74. Floating plate; 81. Hanging piece; 82. Fixed piece; 83. Mounting hole; 84. Square groove; 9. Retaining cap. Specific embodiments

[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention.

[0027] Please refer to Figures 1-8 , the present invention provides a technical solution: including a water tank 1 and a collector. An inner tank 2 is arranged in the water tank 1. An interlayer 6 is arranged between the inner tank 2 and the water tank 1. A container 4 is fixedly connected to the top of the inner tank 2. A sleeve 31 and a resistance sleeve 32 are fixedly connected to the top of the container 4 through a bracket. A front sliding piece 33 and a rear sliding piece 34 are slidably connected in the sleeve 31. A trigger spring 35 is fixedly connected between the front sliding piece 33 and the rear sliding piece 34. A trigger switch 36 and a trigger rod 37 are respectively fixedly connected to adjacent ends of the front sliding piece 33 and the rear sliding piece 34. A metal sheet 38 is slidably connected in the resistance sleeve 32. A connecting rod 39 is fixedly connected between the metal sheet 38 and the sliding piece. A heating plate 41 is fixedly connected in the container 4. A notch 42 is opened on the side wall of the container 4. A retaining ring 43 is slidably connected to the side wall of the container 4. Movable rings 44 are fixedly connected to both the upper and lower ends of the retaining ring 43. A cavity 45 is arranged between the upper movable ring 44 and the container 4. The cavity 45 communicates with the sleeve 31. A limiting ring 46 fixedly connected to the inner tank 2 is arranged between the movable rings 44. A return spring 47 is fixedly connected between the limiting ring 46 and the movable ring 44. A one-way inlet valve 11 and an air valve 12 are respectively arranged at the top of the inner tank 2 and the bottom of the container 4. A cold water pipe 13 communicating with the inner tank 2, a hot water pipe 14 communicating with the inner tank 2, a liquid outlet pipe 15 communicating with the water tank 1, and a liquid return pipe 16 are fixedly connected to the bottom of the water tank 1;

[0028] Before use, connect the cold water pipe 13 to the tap water (equipment for stabilizing water pressure can be added here), connect the hot water pipe 14 to the facilities using hot water indoors, and connect the liquid return pipe 16 and the liquid outlet pipe 15 to the collector (inject heat transfer medium into the interlayer 6);

[0029] During use, tap water is injected into the inner tank 2 from the cold water pipe 13. When the liquid level reaches the one-way inlet valve 11, the one-way inlet valve 11 opens, and the tap water enters the container 4. At the same time, the inner tank 2 also rises. When the liquid level reaches the bottom of the container 4, the inner tank 2 is disconnected from the outside (i.e., the pressure relief valve is closed). As the liquid level rises, the movable ring 44 at the bottom rises under the action of pressure. The retaining ring 43 and the movable ring 44 at the top rise, and the space in the cavity 45 is compressed. And the gas in the cavity 45 enters one side of the sleeve 31. Then the rear sliding plate 34 drives the trigger rod 37 to slide along the sleeve 31. The rear sliding plate 34 drives the front sliding plate 33 to move through the trigger spring 35. The front sliding plate 33 drives the metal sheet 38 to move along the resistance sleeve 32 through the connecting rod 39. The resistance of the heating plate 41 connected is reduced, and the heating amount of the heating plate 41 increases (the metal sheet 38 is electrically connected to the heating plate 41, and one end of the resistance sleeve 32 away from the connecting rod 39 is connected to the power supply). The heating plate 41 electrically heats the tap water in the container 4 and keeps the tap water in the container 4 at a set stability. In addition, after the tap water is completely injected, under the action of the return spring 47, it is ensured that the movable ring 44 at the bottom is below the notch 42;

[0030] During solar heating, the heat transfer medium in the interlayer 6 enters the collector from the liquid outlet pipe 15. The heated medium returns to the interlayer 6 and exchanges heat with the tap water in the inner tank 2. In the reciprocating cycle, the temperature of the tap water in the inner tank 2 rises and the volume also increases. Under the action of water pressure and the expansion of tap water, the movable ring 44 and the retaining ring 43 move upward. At the same time, the return spring 47 is stretched. When the water temperature at the top of the inner tank 2 reaches the predetermined temperature (since the density of cold water and hot water is different, the hot water will concentrate at the top of the inner tank 2), the hot water at the top of the inner tank 2 leaks out of the notch 42 and enters the container 4. At the same time, the rear sliding plate 34 continues to move, while the front sliding plate 33 moves to the outermost end and stops moving. At this time, the trigger spring 35 is compressed, the trigger rod 37 presses the trigger switch 36, and the trigger switch 36 controls the heating plate 41 to stop heating;

[0031] When the sunlight is insufficient and the user uses hot water, at this time, the water temperature at the top of the inner tank 2 is insufficient and cannot meet the user's needs. The hot water pipe 14 transports the hot water in the container 4 to the water-using equipment. The water at the top of the inner tank 2 enters the container 4 through the one-way inlet valve 11 to make up for the shortage in the container 4. The heating plate 41 heats the newly incoming tap water. The newly incoming tap water comes from the top of the inner tank 2 and is slightly higher than the initial temperature itself. The energy consumed by the heating plate 41 to heat it to the required temperature is quite less, which plays a role in saving energy and can also ensure that the user can always use hot water at the predetermined temperature;

[0032] When the sunlight is insufficient and the user uses hot water, at this time, the water temperature at the top of the inner tank 2 has reached the predetermined temperature. The hot water pipe 14 transports the hot water in the container 4 to the water-using device. The water at the top of the inner tank 2 enters the container 4 through the notch 42 to make up for the shortage in the container 4. At this time, the temperature of the water made up in the container 4 has met the predetermined temperature, and there is no need for the heating plate 41 to further heat the water, further avoiding the continuous heating of the water by the heating plate 41 and further playing the function of saving energy consumption.

[0033] As a further solution of the present invention, the one-way water inlet valve 11 includes a housing 51. The upper and lower ends of the housing 51 are respectively provided with an inlet 52 and an outlet 53. A valve plate 54 is slidably connected in the housing 51. The valve plate 54 is provided with a fan-shaped groove 55. A control spring 56 is fixedly connected between the top of the valve plate 54 and the housing 51. A plug 57 matching the inlet 52 is fixedly connected to the bottom of the valve plate 54;

[0034] When in use, the one-way water inlet valve 11 is used to make up the water in the container 4. The plug 57 rises under the action of water pressure and disengages from the inlet 52. The tap water passes through the valve plate 54 from the fan-shaped groove 55 and then enters the container 4 through the outlet 53. When the pressure in the container 4 overcomes the water pressure, the elastic force of the control spring 56 blocks the plug 57 on the inlet 52 again through the valve plate 54, thereby realizing automatic stop of water supply; in the case of user use, the container 4 is isolated from the outside world, so enough pressure can be provided to stop water supply. When heating the water inside the container 4, the length between the container 4 and the water-using device is sufficient for the water in the container 4 to expand without bursting.

[0035] The air valve 12 can discharge the gas entering the top of the inner tank 2 from one end of the sleeve 31 close to the connecting rod 39, thereby providing more space for the upward movement of the limiting ring 46, and thus reducing the risk of bursting of the inner tank 2.

[0036] As a further solution of the present invention, a baffle 61 is fixedly connected in the interlayer 6. The baffle 61 is located between the bottom of the inner tank 2 and the notch 42;

[0037] When in use, the baffle 61 can block the heat transfer medium in the lower half of the interlayer 6. On the one hand, it avoids the heat transfer medium heating the upper half of the inner tank 2 and affecting the gas expansion in the cavity 45. On the other hand, it can reduce the total amount of the heat transfer medium required, thereby reducing the cost.

[0038] As a further solution of the present invention, a spiral guide plate 62 is fixedly connected in the interlayer 6. An inner pipe 64 is arranged in the interlayer 6. The bottom of the inner pipe 64 is communicated with the return pipe 16, and the top passes through the guide plate 62 and extends below the baffle 61;

[0039] During use, the heat medium enters the inner tube 64 through the return pipe 16 and is conveyed through the inner tube 64 to the lower part of the baffle 61, enabling the heat transfer medium to preferentially heat the water at the top of the inner tank 2. On the one hand, it can reduce the heat transfer between the hot water in the container 4 and the water in the inner tank 2. On the other hand, it can squeeze the water in the interlayer 6 to enter the collector through the liquid outlet pipe 15, accelerating the circulation of the heat transfer medium, thereby accelerating the heating of the water in the inner tank 2. The heat medium gradually flows along the spiral guide plate 62 and can fully exchange heat with the water at different heights in the inner tank 2, further accelerating the heating of the water in the inner tank 2.

[0040] As a further solution of the present invention, a fixed pipe 71 communicating with the hot water pipe 14 is fixedly connected to the bottom of the inner tank 2. The outer wall of the fixed pipe 71 is slidably connected with a movable pipe 72. Limiting rings 73 are fixedly connected to the inner wall of the bottom of the movable pipe 72 and the outer wall of the top of the fixed pipe 71 respectively. A floating plate 74 is fixedly connected to the top of the movable pipe 72;

[0041] During use, the floating plate 74 can drive the movable pipe 72 to change with the water level in the container 4, ensuring that the movable pipe 72 is always in the upper half of the water in the container 4, so that the water flowing into the fixed pipe 71 is the hottest in the container 4 (because hot water and cold water have different densities and hot water is above the newly entered cold water), avoiding the output water from being alternately hot and cold.

[0042] As a further solution of the present invention, a U-shaped hanging part 81 is fixedly connected to the outer wall of the water tank 1. The hanging part 81 is inserted with a loop-shaped fixing part 82. A square groove 84 is formed on the outer wall of the fixing part 82 and a mounting hole 83 is formed on the inner wall;

[0043] During installation, the fixing part 82 is fixed to the building by inserting an expansion bolt into the mounting hole 83, and then the hanging part 81 is inserted into the fixing part 82, thereby completing the suspension of the water tank 1 and saving floor space.

[0044] As a further solution of the present invention, a conical blocking cap 9 is fixedly connected to the top of the air valve 12;

[0045] During use, the blocking cap 9 can block sundries from entering the air valve 12, avoiding damage to the air valve 12 and increasing the use cost during the use of the water heater.

Claims

1. A solar water heater for accelerating heat circulation, comprising a water tank (1) and a collector, characterized in that: Inside the water tank (1), there is an inner tank (2). A sandwich layer (6) is provided between the inner tank (2) and the water tank (1). At the top of the inner tank (2), a container (4) is fixedly connected. At the top of the container (4), a sleeve (31) and a resistance sleeve (32) are fixedly connected through a bracket. A front sliding piece (33) and a rear sliding piece (34) are slidably connected inside the sleeve (31). A trigger spring (35) is fixedly connected between the front sliding piece (33) and the rear sliding piece (34). One end of the front sliding piece (33) and the rear sliding piece (34) adjacent to each other is fixedly connected with a trigger switch (36) and a trigger rod (37) respectively. A metal piece (38) is slidably connected inside the resistance sleeve (32). A connecting rod (39) is fixedly connected between the metal piece (38) and the sliding piece. A heating plate (41) is fixedly connected inside the container (4). A notch (42) is provided on the side wall of the container (4). A retaining ring (43) is slidably connected to the side wall of the container (4). Movable rings (44) are fixedly connected to both the upper and lower ends of the retaining ring (43). A cavity (45) is provided between the upper movable ring (44) and the container (4). The cavity (45) is communicated with the sleeve (31). A limiting ring (46) fixedly connected to the inner tank (2) is provided between the movable rings (44). A return spring (47) is fixedly connected between the limiting ring (46) and the movable ring (44). A one-way water inlet valve (11) and an air valve (12) are respectively provided at the top of the inner tank (2) and the bottom of the container (4). At the bottom of the water tank (1), a cold water pipe (13) communicated with the inner tank (2), a hot water pipe (14) communicated with the inner tank (2), a liquid outlet pipe (15) communicated with the water tank (1), and a liquid return pipe (16) are fixedly connected; The one-way water inlet valve (11) includes a housing (51). An inlet (52) and an outlet (53) are respectively provided at the upper and lower ends of the housing (51). A valve piece (54) is slidably connected inside the housing (51). A sector-shaped groove (55) is provided on the valve piece (54). A control spring (56) is fixedly connected between the top of the valve piece (54) and the housing (51). A plug (57) matching the inlet (52) is fixedly connected to the bottom of the valve piece (54); A baffle (61) is fixedly connected inside the sandwich layer (6). The baffle (61) is located between the bottom of the inner tank (2) and the notch (42); A spiral guide plate (62) is fixedly connected inside the sandwich layer (6). An inner pipe (64) is provided inside the sandwich layer (6). The bottom of the inner pipe (64) is communicated with the liquid return pipe (16), and the top passes through the guide plate (62) and extends below the baffle (61); A fixed pipe (71) communicated with the hot water pipe (14) is fixedly connected to the bottom of the inner tank (2). A movable pipe (72) is slidably connected to the outer wall of the fixed pipe (71). Limiting rings (73) are fixedly connected to the inner wall of the bottom of the movable pipe (72) and the outer wall of the top of the fixed pipe (71). A floating plate (74) is fixedly connected to the top of the movable pipe (72).

2. The solar water heater for accelerating heat circulation according to claim 1, wherein: The outer wall of the water tank (1) is fixedly connected with a hanging member (81) of U-shaped structure, the hanging member (81) is inserted with a fixing member (82) of loop-shaped structure, and a square groove (84) is formed on the outer wall of the fixing member (82), and a mounting hole (83) is formed on the inner wall thereof.

3. A solar water heater for accelerating heat circulation according to claim 1, characterized in that: The top of the air valve (12) is fixedly connected with a conical-shaped retaining cap (9).

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