CN212481716U

CN212481716U - Intelligent solar water heater indoor unit

Info

Publication number: CN212481716U
Application number: CN202021170420.1U
Authority: CN
Inventors: 赵磊
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-02-05
Anticipated expiration: 2030-06-23

Abstract

The utility model discloses an intelligent solar water heater indoor unit, including controller, temperature-sensing element, three-way control valve, three-way switch valve, direct switch valve, water tank, liquid level switch, lift pump. The controller collects temperature signals, liquid level signals and valve opening signals in real time, supports control over the valve and the water pump, and supports temperature setting, fault positioning and alarming; the temperature sensing element measures the temperature of water in real time; the three-way regulating valve regulates the water outlet temperature; the three-way switch valve supports automatic switching of the flow direction of the outlet water; the straight-through switch valve supports automatic opening or cutting off of water flow; the water tank stores cold water and running water for raising stored in the pipeline; the liquid level switch measures the liquid level in real time; the lift pump supports automatic lifting and water replenishing. The utility model discloses with the cold water recycle who stores up in the pipeline to with leaving water temperature automatically regulated to predetermineeing the temperature, both practiced thrift the valuable water resource, promoted user's bathing again and experienced.

Description

Intelligent solar water heater indoor unit

Technical Field

The utility model relates to an electric automatization technology field especially relates to the application of electric automatization technique in the solar water heater trade.

Background

The cold water stored in the pipeline is required to be discharged when the solar water heater is used, so that huge waste of water resources is caused. In southern areas, three families living in 3 stories (6 floors in total) calculate according to 2-day bathing frequency and 2-minute water discharging time per time, and the water waste of 2 tons is generated in each year by only one family.

The water outlet valve of the traditional solar water heater is lack of automatic control and fine control, a user needs to frequently adjust the water outlet valve to reach a proper temperature during bathing, the adjusting process not only causes secondary waste of water resources, but also greatly influences bathing experience of the user.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an intelligent indoor unit of a solar water heater.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an intelligent indoor unit of a solar water heater comprises a controller, a temperature sensing element, a three-way regulating valve, a three-way switch valve, a through switch valve, a water tank, a liquid level switch, a water lift pump and a sprayer. The device is characterized in that the controller collects a temperature signal, a liquid level signal and a valve opening signal, controls the three-way regulating valve, the three-way switch valve, the through switch valve and the lift pump, and has the functions of temperature setting, fault positioning and alarming; the temperature sensing element measures and collects the water outlet temperature in real time; the three-way regulating valve regulates the water outlet temperature by automatically regulating the opening degree of the cold and hot water inlets, feeds back a valve position to the controller and supports manual control of the handle; the three-way switch valve supports automatic switching of the flow direction of the outlet water, feeds back a valve position to the controller and supports manual control of the handle; the straight-through switch valve supports automatic opening or cutting off of water flow, feeds back a valve position to the controller, and supports manual control of a handle; the water tank stores cold water and ascending tap water stored in an outdoor pipeline and is used as a water supplementing source of the auxiliary water tank; the liquid level switch detects the liquid level in real time and feeds the liquid level back to the controller; the water in the water tank is automatically pumped to the auxiliary water tank by the water pump; the sprayer enables warm water to be sprayed out in a shower head mode. The water tank drain pipe is used for emptying the water tank and overflowing water in the water tank when in fault; the check valve is used for preventing water flow from running backwards.

As a further aspect of the present invention: the input signal and the output signal of the controller are direct-current 12V voltage, the controller is waterproof, collects a temperature signal, a liquid level signal and a valve opening signal, supports control over a valve and a water pump, and has the functions of temperature setting, fault positioning and alarming.

As a further aspect of the present invention: the temperature sensing element adopts a PT100 armored platinum thermal resistor, the resistor body is wrapped by a 304 stainless steel shell and does not directly contact with water flowing out of the three-way regulating valve, a temperature signal is automatically acquired and fed back to the controller, and the temperature sensing resistor has a waterproof design.

As a further aspect of the present invention: the three-way regulating valve regulates the water outlet temperature by automatically regulating the opening degree of the two water inlets. The working voltage is 12V DC, and the design is waterproof.

As a further aspect of the present invention: the three-way switch valve can switch the water flow direction by changing the valve position. The working voltage is 12V DC, and the design is waterproof.

As a further aspect of the present invention: the water tank is a 304 stainless steel inner container, and the shell is abs plastic material.

As a further aspect of the present invention: the liquid level switch main part is located inside the water tank and is 304 stainless steel materials, and the junction box is located outside the water tank and is made of ceramic materials. The working voltage is 12V DC, and the design is waterproof.

As a further aspect of the present invention: the lift pump adopts different lift parameters and is designed to be silent and waterproof according to different floors.

The utility model has the advantages that:

1. the water in the outdoor pipeline between the indoor water outlet valve and the roof hot water tank is cooled after standing for a certain time, which is not suitable for bathing, and users usually drain the water before bathing. This use is novel with these water recovery utilization of depositing, raises to roof auxiliary water tank again, has avoided the waste of water resource.

2. Due to the introduction of the automatic control principle, the water from the sprayer is the water with the preset temperature of the user, and the bathing experience of the user is improved.

3. Due to the existence of uncontrollable factors, the water temperature of the roof hot water tank and the flow of indoor tap water can generate unpredictable fluctuation, and further the outlet water temperature of the sprayer is influenced. The utility model discloses a controller can real-time supervision and adjust out water temperature at the bathing in-process, offsets the negative effects that the fluctuation brought, has both promoted user's bathing experience, has avoided the water waste that the repeated regulation temperature caused again.

Drawings

Fig. 1 is a schematic structural view of an intelligent indoor unit of a solar water heater provided by the present invention.

In the figure: the device comprises a controller 1, a temperature sensing element 2, a three-way regulating valve 3, a three-way switch valve 4, a water tank 5, a liquid level switch 6, a water tank drain pipe 7, a lift pump 8, a through switch valve 9, a check valve 10 and a sprayer 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1, an intelligent indoor unit of a solar water heater comprises a controller (1), a temperature sensing element (2), a three-way regulating valve (3), a three-way switch valve (4), a through switch valve (9), a water tank (5), a liquid level switch (6), a water lift pump (8) and a sprayer (11). The device is characterized in that the controller (1) collects temperature signals, liquid level signals and valve opening signals, supports control over the three-way regulating valve (3), the three-way switch valve (4), the through switch valve (9) and the lift pump (8), and has the functions of temperature setting, fault positioning and alarming; the temperature sensing element (2) measures and collects the water outlet temperature in real time; the three-way regulating valve (3) regulates the water outlet temperature by automatically regulating the opening degree of the cold and hot water inlets, feeds back a valve position to the controller and supports manual control of a handle; the three-way switch valve (4) supports automatic switching of the flow direction of the outlet water, feeds back a valve position to the controller, and supports manual control of a handle; the straight-through switch valve (9) supports automatic opening or cutting off of water flow, feeds back a valve position to the controller, and supports manual control of a handle; the water tank (5) stores cold water stored in an outdoor pipeline and tap water for raising, and the cold water and the tap water are used as a water supplementing source of the auxiliary water tank; the liquid level switch (6) detects the liquid level in real time and feeds the liquid level back to the controller; the water in the water tank is automatically pumped to the auxiliary water tank by the water pump (8); the shower (11) sprays warm water in the form of a shower head. The water tank drain pipe (7) is used for emptying the water tank and overflowing water in the water tank when in fault; the check valve (10) is used for preventing water flow from running backwards.

The working principle is as follows: the temperature sensing element (2) monitors the water outlet temperature in real time, when a user clicks a 'start bathing' button on the controller (1), if the water outlet temperature does not reach the preset temperature, the three-way switch valve (4) is switched to the angle through valve position, and the water flowing out of the three-way regulating valve (3) is injected into the water tank through the angle through valve position. The three-way regulating valve (3) automatically regulates the proportion of hot water and cold water until reaching a preset temperature, at the moment, the three-way switch valve is switched to a through valve position, and the water reaching the preset temperature is supplied to a user for use through the sprayer (11). The controller continuously monitors the water temperature at the temperature sensing element (2) during the bathing process, and the temperature is adjusted in real time to ensure that the water outlet temperature reaches the preset temperature. When the water level of the auxiliary water tank on the roof is not enough in non-bathing time, the through switch valve (9) is opened, tap water enters the water tank (5), the water raising pump (8) is started, and cold water discharged to the water tank and the tap water are used for supplementing water to the auxiliary water tank. The check valve (10) is designed to prevent water flow from traveling backwards in the pipe.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An intelligent indoor unit of a solar water heater comprises a controller (1), a temperature sensing element (2), a three-way regulating valve (3), a three-way switch valve (4), a through switch valve (9), a water tank (5), a liquid level switch (6), a water lifting pump (8) and a sprayer (11), and is characterized in that the controller (1) is installed on the shell of the water tank (5) in an embedded mode; the temperature sensing element (2) is arranged at the water outlet of the three-way regulating valve (3) and is installed in a threaded manner; two water inlets of the three-way regulating valve (3) are respectively connected with hot water and cold water pipelines, and an inlet and an outlet are in threaded connection with the pipelines; the inlet and the outlet of the three-way switch valve (4) are in threaded connection with a pipeline, and the pipeline of the angle opening outlet is provided with a check valve (10); the inlet and the outlet of the straight-through switch valve (9) are in threaded connection with the pipeline; sealing gaskets are arranged at the joints of the inner container of the water tank (5) and each pipeline and between the shell and the controller, and the shell is provided with grid-type ventilation holes; the liquid level switch (6) and the inner container of the water tank (5) are sealed by threads; the inlet and the outlet of the lift pump (8) are in threaded connection with a pipeline, and a check valve (10) is arranged on the outlet pipeline; the sprayer (11) sprays warm water in a shower form; the water tank drain pipe (7) is sealed with the inner container of the water tank (5) by screw thread.

2. The indoor unit of an intelligent solar water heater as claimed in claim 1, wherein the controller (1) collects a temperature signal, a liquid level signal and a valve opening signal, controls the three-way regulating valve (3), the three-way switch valve (4), the through switch valve (9) and the lift pump (8), positions and gives an audible and visual alarm when a fault occurs, and the input signal and the output signal are both direct current 12V voltage.

3. An intelligent solar water heater indoor unit as claimed in claim 1, wherein the temperature sensing element (2) is PT100 armored platinum thermal resistor for automatically collecting temperature signal and feeding back to the controller (1).

4. The intelligent solar water heater indoor unit as claimed in claim 1, wherein the three-way regulating valve (3) has a working voltage of direct current 12V, and the outlet water temperature is regulated by automatically regulating the opening degree of the two water inlets.

5. The intelligent solar water heater indoor unit as claimed in claim 1, wherein the three-way regulating valve (3), the three-way switch valve (4) and the through switch valve (9) are manually controlled by a handle.

6. The indoor unit of an intelligent solar water heater as claimed in claim 1, wherein the working voltage of the three-way switch valve (4) is direct current 12V, and the water flowing direction is switched by changing the valve position.

7. An intelligent solar water heater indoor unit as claimed in claim 1, wherein the water tank (5) is a 304 stainless steel inner container, and the outer shell is abs plastic.

8. The intelligent solar water heater indoor unit as claimed in claim 1, wherein the main body of the liquid level switch (6) is located inside the water tank (5), and the shell is made of 304 stainless steel.

9. The indoor unit of an intelligent solar water heater as claimed in claim 1, wherein the lift pump (8) adopts different lift parameters according to different floors, and the shell is made of 304 stainless steel.