Solar cyclic heating constant-temperature water heater

Abstract

The utility model discloses a solar cyclic heating constant-temperature water heater which comprises a solar water heater, a constant-temperature water tank and a work station, a water supplementing pipe is fixedly communicated with the lower portion of one end of the solar water heater, and the end, away from the solar water heater, of the water supplementing pipe is fixedly communicated with an electromagnetic valve. The end, away from the water supplementing pipe, of the electromagnetic valve fixedly communicates with a first three-way pipe, and the end, close to the water supplementing pipe, of the solar water heater is provided with a circulating pipeline connector. The constant-temperature water tank and the work station are arranged, the constant-temperature water tank and the work station are matched with the circulating pipeline connector corresponding to the diameter of the vacuum pipe, the constant-temperature water tank and an original solar water heater can be heated and circulated through the vacuum pipe channel in the mode that the vacuum pipe on the side edge is dismantled, the original solar water heater does not need to be scrapped, and resource waste is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of water heaters, in particular to a solar energy circulation heating constant temperature water heater. Background Art

[0002] A water heater is a device that uses various physical principles to raise the temperature of cold water into hot water within a certain period of time. According to different principles, it can be divided into electric water heaters, gas water heaters, solar water heaters, magnetic water heaters, air water heaters, heating water heaters, etc.: A solar water heater is a heating device that converts sunlight energy into thermal energy, heating water from low temperature to high temperature. Solar water heaters are divided into vacuum tube solar water heaters and flat plate solar water heaters according to their structural form, mainly vacuum tube solar water heaters. Vacuum tube household solar water heaters are composed of related parts and components such as collector tubes, water storage tanks and brackets. The conversion of solar energy into thermal energy mainly depends on vacuum collector tubes. Vacuum collector tubes use the principle that hot water floats and cold water sinks to create microcirculation of water and obtain the required hot water.

[0003] The existing solar water heaters have poor heating effect in cold or rainy weather. Therefore, solar water heaters with auxiliary electric heating function have appeared on the market. The energy utilization mode of using solar energy as the main energy and electricity as the auxiliary energy enables the solar water heater to operate normally all year round and all weather. The efficiency is still relatively high when the ambient temperature is low. However, the existing electric auxiliary heating solar heaters generally directly use new water storage tanks with electric heating elements, which are not compatible with the original solar water heaters. After switching to the existing electric auxiliary heating solar heaters, the original solar water heaters will basically be scrapped, and these solar water heaters often do not have quality problems, but do not meet the use requirements, thus causing a certain degree of resource waste. In addition, the existing electric auxiliary heating solar heaters have a slow heating efficiency because they heat the entire interior of the water storage tank. After a certain amount of use, the hot water outlet temperature will decrease due to the mixing of cold water, so there is room for improvement. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a solar circulation heating constant temperature water heater to solve the above problem.

[0005] To achieve the above object, a solar circulating heating constant temperature water heater is provided, comprising a solar water heater, a constant temperature water tank and a workstation, wherein a water supply pipe is fixedly connected below one end of the solar water heater, an end of the water supply pipe away from the solar water heater is fixedly connected to a solenoid valve, an end of the solenoid valve away from the water supply pipe is fixedly connected to a first three-way pipe, and a circulation pipe connector is provided at one end of the solar water heater close to the water supply pipe, and the circulation pipe connector is fixedly connected to a cold water inlet pipe and a hot water outlet pipe;

[0006] A hot water inlet pipe is fixedly connected to one side of the bottom of the thermostatic water tank near the workstation, a circulating water outlet pipe is fixedly connected to the middle of the side of the thermostatic water tank near the workstation, a water outlet valve is fixedly connected to the upper side of the thermostatic water tank near the workstation, an electric heating element is arranged at a height position between the water outlet valve and the circulating water outlet pipe of the thermostatic water tank, an end of the circulating water outlet pipe away from the thermostatic water tank is fixedly connected to a second one-way valve, and an end of the second one-way valve away from the circulating water outlet pipe is fixedly connected to a second three-way pipe;

[0007] A circulating water pump is fixedly connected to the lower part of the workstation, and a controller is fixedly connected to the top of the circulating water pump. Temperature sensors are provided at the position of the circulating pipe connector corresponding to the hot water outlet pipe and at the upper part of the constant temperature water tank corresponding to the circulating water outlet pipe. A water level sensor is provided above one end of the solar water heater close to the water supply pipe.

[0008] According to the solar circulation heating constant temperature water heater, the first three-way pipe includes a water inlet end and two water outlet ends, the water inlet end of the first three-way pipe is fixedly connected to the tap water pipeline through a water valve, and the two water outlet ends of the first three-way pipe are respectively fixedly connected to the water supply pipe and the first one-way valve.

[0009] According to the solar circulation heating constant temperature water heater, the second three-way pipe includes two water inlet ends and one water outlet end, the two water inlet ends of the second three-way pipe are fixedly connected to the first three-way pipe and the circulation water outlet pipe through the first one-way valve and the second one-way valve respectively, and the water outlet end of the second three-way pipe is fixedly connected to the cold water inlet pipe.

[0010] According to the solar circulation heating constant temperature water heater, the end of the hot water outlet pipe away from the circulation pipe connector passes through the workstation and is fixedly connected to the water inlet of the circulation water pump, and the water outlet of the circulation water pump is fixedly connected to the hot water inlet pipe.

[0011] According to the solar circulation heating constant temperature water heater, the two temperature sensors and the water level sensor are electrically connected to the controller, and the solenoid valve, the circulation water pump and the electric heating element are electrically connected to the controller.

[0012] The above solution has at least one of the following beneficial effects:

[0013] 1. The utility model is provided with a constant temperature water tank and a workstation, and cooperates with a circulation pipe connector corresponding to the diameter of the vacuum tube. By removing the side vacuum tube, the constant temperature water tank can establish a heating cycle with the original solar water heater through the vacuum tube channel, without scrapping the original solar water heater, reducing resource waste and enhancing the practicality of the device.

[0014] 2. The constant temperature water tank provided in the utility model can expand the water storage capacity of the water heater, and through the circulation pipeline established with the solar water heater, the solar water heater is used for preliminary circulation heating, so that the water temperature of the constant temperature water tank and the solar water heater rises synchronously, and when the water temperature is insufficient, the electric heating element provided between the water outlet valve and the circulation water outlet pipe can be used to heat the rising hot water again to a corresponding temperature, so that the water outlet part of the constant temperature water tank is kept at a constant temperature, thereby enhancing the practicability of the device.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of a solar cycle heating constant temperature water heater of the utility model;

[0018] Figure 2 This is a front structural schematic diagram of a solar cycle heating constant temperature water heater of the utility model;

[0019] Figure 3 This is a schematic diagram of the internal structure of a workstation of a solar cycle heating constant temperature water heater of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of a solar water heater with a spare pipe opening according to the utility model;

[0021] Legend:

[0022] 1. Solar water heater; 2. Constant temperature water tank; 3. Workstation; 4. Circulation pipe connector; 5. Solenoid valve; 6. Water supply pipe; 7. First three-way pipe; 8. Second three-way pipe; 9. First one-way valve; 10. Second one-way valve; 11. Circulation outlet pipe; 12. Cold water inlet pipe; 13. Hot water outlet pipe; 14. Hot water inlet pipe; 15. Circulation water pump; 16. Controller; 17. Temperature sensor; 18. Water level sensor; 19. Outlet valve; 20. Electric heating element. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model. Example

[0024] Reference Figure 1-3 The utility model provides a solar cycle heating constant temperature water heater, including a solar water heater 1, a constant temperature water tank 2 and a workstation 3. A water supply pipe 6 is fixedly connected below one end of the solar water heater 1. An end of the water supply pipe 6 away from the solar water heater 1 is fixedly connected to an electromagnetic valve 5. An end of the electromagnetic valve 5 away from the water supply pipe 6 is fixedly connected to a first three-way pipe 7. The first three-way pipe 7 includes a water inlet end and two water outlet ends. The water inlet end of the first three-way pipe 7 is fixedly connected to a tap water pipe through a water valve. The two ends of the first three-way pipe 7 are fixedly connected to the tap water pipe. The water outlet ends are respectively fixedly connected with a water supply pipe 6 and a first non-return valve 9. A circulation pipe connector 4 is arranged at one end of the solar water heater 1 close to the water supply pipe 6. The diameter of the circulation pipe connector 4 corresponds to the diameter of the vacuum pipe of the solar water heater 1. The circulation pipe connector 4 is fixedly connected with a cold water inlet pipe 12 and a hot water outlet pipe 13. By removing the side vacuum pipe, the constant temperature water tank 2 can establish a heating cycle with the original solar water heater 1 through the vacuum pipe channel, without scrapping the original solar water heater 1, thereby reducing resource waste.

[0025] The bottom of the thermostatic water tank 2 is fixedly connected to a hot water inlet pipe 14 on one side near the workstation 3, and the middle of the thermostatic water tank 2 on the side near the workstation 3 is fixedly connected to a circulating water outlet pipe 11, and the upper part of the thermostatic water tank 2 on the side near the workstation 3 is fixedly connected to a water outlet valve 19, and the thermostatic water tank 2 is provided with an electric heating element 20 at a height position between the water outlet valve 19 and the circulating water outlet pipe 11, and the end of the circulating water outlet pipe 11 away from the thermostatic water tank 2 is fixedly connected to a second one-way valve 10, and the second one-way valve 10 is far away from the circulating water outlet pipe 11. One end is fixedly connected with a second three-way pipe 8, and the second three-way pipe 8 includes two water inlet ends and one water outlet end. The two water inlet ends of the second three-way pipe 8 are fixedly connected with the first three-way pipe 7 and the circulating water outlet pipe 11 through the first one-way valve 9 and the second one-way valve 10, respectively, to prevent the cold water of the first three-way pipe 7 from entering the constant temperature water tank 2. The water outlet end of the second three-way pipe 8 is fixedly connected with the cold water inlet pipe 12, so that the cold water inlet pipe 12 can not only establish circulation when in normal use, but also can normally replenish water to the solar water heater 1 through the first three-way pipe 7;

[0026] A circulating water pump 15 is fixedly connected to the lower part of the workstation 3, and one end of the hot water outlet pipe 13 away from the circulating pipe connector 4 passes through the workstation 3 and is fixedly connected to the water inlet of the circulating water pump 15. The water outlet of the circulating water pump 15 is fixedly connected to the hot water inlet pipe 14 to establish a pipeline circulation. A controller 16 is fixedly connected to the top of the circulating water pump 15. Temperature sensors 17 are provided at the position corresponding to the circulating pipe connector 4 and the hot water outlet pipe 13 and at the position corresponding to the circulating water outlet pipe 11 on the upper part of the constant temperature water tank 2. A water level sensor 18 is provided above the end of the solar water heater 1 close to the water supply pipe 6. The two temperature sensors 1 7 and the water level sensor 18 are all electrically connected to the controller 16, and the solenoid valve 5, the circulating water pump 15 and the electric heating element 20 are all electrically connected to the controller 16; when the utility model is in use, the constant temperature water tank 2 can expand the water storage capacity of the water heater, and through the circulation pipeline established with the solar water heater 1, use the solar water heater 1 to perform preliminary circulation heating, so that the water temperature of the constant temperature water tank 2 and the solar water heater 1 rises synchronously, and when the water temperature is insufficient, the electric heating element 20 set between the water outlet valve 19 and the circulating water outlet pipe 11 can be used to heat the rising hot water again to a corresponding temperature, so that the water outlet part of the constant temperature water tank 2 is kept at a constant temperature. Example

[0027] Reference Figure 4 , the difference between this embodiment and embodiment one is that: this embodiment provides a solar circulation heating constant temperature water heater, including a solar water heater 1, a constant temperature water tank 2 and a workstation 3, a water supply pipe 6 is fixedly connected below one end of the solar water heater 1, when a spare pipe opening is provided at one end of the solar water heater 1 close to the water supply pipe 6, a circulation pipe connector 4 is interconnected with the solar water heater 1 through the spare pipe opening, at this time, the specification of the circulation pipe connector 4 corresponds to the spare pipe opening, and the circulation pipe connector 4 is fixedly connected with a cold water inlet pipe 12 and a hot water outlet pipe 13. Compared with embodiment one, this embodiment can avoid disassembling the vacuum tube and avoid the disadvantage of thermal efficiency loss of the solar water heater 1, but is only suitable for the transformation of the solar water heater 1 which is itself provided with a spare pipe opening or the integrated installation of a new supporting product, and has low universality.

[0028] Working principle: When the utility model is installed, the constant temperature water tank 2 and the workstation 3 are arranged, and the circulating pipe connector 4 corresponding to the diameter of the vacuum tube can be matched. By removing the side vacuum tube, the constant temperature water tank 2 can establish a heating cycle with the original solar water heater 1 through the vacuum tube channel, without scrapping the original solar water heater 1, thereby reducing the waste of resources. When in use, the constant temperature water tank 2 can expand the water storage capacity of the water heater, and through the circulating pipe established with the solar water heater 1, the solar water heater 1 is used to perform preliminary circulating heating, so that the water temperature of the constant temperature water tank 2 and the solar water heater 1 rises synchronously, and when the water temperature is insufficient, the electric heating element 20 arranged between the water outlet valve 19 and the circulating water outlet pipe 11 can be used to heat the rising hot water again to a corresponding temperature, so that the water outlet part of the constant temperature water tank 2 is kept at a constant temperature.

[0029] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A solar cycle heating constant temperature water heater, comprising a solar water heater (1), a constant temperature water tank (2) and a workstation (3), characterized in that: A water supply pipe (6) is fixedly connected below one end of the solar water heater (1); an end of the water supply pipe (6) away from the solar water heater (1) is fixedly connected to a solenoid valve (5); an end of the solenoid valve (5) away from the water supply pipe (6) is fixedly connected to a first three-way pipe (7); an end of the solar water heater (1) close to the water supply pipe (6) is provided with a circulation pipe connector (4); and the circulation pipe connector (4) is fixedly connected to a cold water inlet pipe (12) and a hot water outlet pipe (13); A hot water inlet pipe (14) is fixedly connected to a side of the bottom of the thermostatic water tank (2) close to the workstation (3), a circulating water outlet pipe (11) is fixedly connected to the middle of the side of the thermostatic water tank (2) close to the workstation (3), a water outlet valve (19) is fixedly connected to the top of the side of the thermostatic water tank (2) close to the workstation (3), an electric heating element (20) is provided at a height position between the water outlet valve (19) and the circulating water outlet pipe (11), an end of the circulating water outlet pipe (11) away from the thermostatic water tank (2) is fixedly connected to a second one-way valve (10), and an end of the second one-way valve (10) away from the circulating water outlet pipe (11) is fixedly connected to a second three-way pipe (8); A circulating water pump (15) is fixedly connected to the lower part of the workstation (3), a controller (16) is fixedly connected to the top of the circulating water pump (15), a temperature sensor (17) is provided at a position of the circulating pipe connector (4) corresponding to the hot water outlet pipe (13) and at a position of the upper part of the constant temperature water tank (2) corresponding to the circulating water outlet pipe (11), and a water level sensor (18) is provided above one end of the solar water heater (1) close to the water supply pipe (6).

2. A solar cycle heating constant temperature water heater according to claim 1, characterized in that: The first three-way pipe (7) comprises a water inlet end and two water outlet ends, the water inlet end of the first three-way pipe (7) being fixedly connected to a tap water pipeline via a water valve, and the two water outlet ends of the first three-way pipe (7) being fixedly connected to a water supply pipe (6) and a first one-way valve (9) respectively.

3. A solar cycle heating constant temperature water heater according to claim 2, characterized in that: The second three-way pipe (8) comprises two water inlet ends and one water outlet end, the two water inlet ends of the second three-way pipe (8) being fixedly connected to the first three-way pipe (7) and the circulating water outlet pipe (11) via a first one-way valve (9) and a second one-way valve (10), respectively, and the water outlet end of the second three-way pipe (8) being fixedly connected to the cold water inlet pipe (12).

4. A solar cycle heating constant temperature water heater according to claim 1, characterized in that: One end of the hot water outlet pipe (13) away from the circulation pipe connector (4) passes through the workstation (3) and is fixedly connected to the water inlet of the circulation water pump (15); the water outlet of the circulation water pump (15) is fixedly connected to the hot water inlet pipe (14).

5. A solar cycle heating constant temperature water heater according to claim 1, characterized in that: The two temperature sensors (17) and the water level sensor (18) are all electrically connected to the controller (16), and the solenoid valve (5), the circulating water pump (15) and the electric heating element (20) are all electrically connected to the controller (16).

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