CN216204395U

CN216204395U - Solar water heating system with intelligent circulating water supply function

Info

Publication number: CN216204395U
Application number: CN202121879832.7U
Authority: CN
Inventors: 杜火青; 李莉华; 杜新健; 苏覃芳
Original assignee: Hubei Sanxia New Energy Co ltd
Current assignee: Hubei Sanxia New Energy Co ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-04-05
Anticipated expiration: 2031-08-12

Abstract

The utility model discloses an intelligent circulating water supply solar water heating system, which comprises a PLC controller, a solar thermal collector, a solar thermal collection water tank, a mixed water tank and a tap water system, wherein the solar thermal collection water tank is communicated with the solar thermal collector through a circulating water inlet pipe and a circulating water outlet pipe, a circulating pump is arranged on the circulating water inlet pipe, a hot water switch is arranged on the circulating water outlet pipe, the solar thermal collection water tank is connected with the mixed water tank through a delivery pump, the mixed water tank is connected with a user end through a booster pump, the tap water system is connected with the solar thermal collection water tank through a water replenishing pump, and the signal output end of the PLC controller is respectively connected with the signal output ends of the circulating pump, the hot water switch, the delivery pump, the booster pump and the water replenishing pump, meanwhile, the waste of water is reduced, and the proper water outlet temperature is ensured.

Description

Solar water heating system with intelligent circulating water supply function

Technical Field

The utility model relates to the technical field of solar water heating systems, in particular to a solar water heating system capable of intelligently and circularly supplying water.

Background

The utilization of renewable energy is a problem to be solved urgently at present by human beings, clothes and food residences all relate to the development and utilization of resources, and in the aspect of living, the clothes and food residences pay special attention to water heaters;

the existing solar water heating system is easy to have the phenomenon of uneven heating effect due to reasons such as illumination and the like in the use process, and after the hot water device is used up, residual water in the mixed water tank cannot be heated when being used next time, so that the residual water is generally discharged and wasted, and a corresponding recovery mode is lacked.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an intelligent solar water heating system with circulating water supply to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a solar water heating system of intelligence circulation water supply, includes PLC controller, solar collector, solar energy collection water tank, mixed water tank and water supply system, solar energy collection water tank passes through circulation inlet tube with circulation outlet pipe with solar collector is linked together, be equipped with the circulating pump on the circulation inlet tube, be equipped with the hot water switch on the circulation outlet pipe, solar energy collection water tank passes through the delivery pump and links to each other with mixed water tank, mixed water tank passes through the booster pump and links to each other with the user, water supply system passes through the moisturizing pump and links to each other with solar energy collection water tank, the PLC controller is connected with circulating pump, hot water switch, delivery pump, booster pump and moisturizing pump electricity respectively.

The tap water system is also connected with the mixed water tank through a cold water pipe, a cold water switch is installed on the cold water pipe, and the PLC is electrically connected with the cold water switch.

And the solar thermal collector is provided with an optical radiation sensor which is electrically connected with the PLC.

And a water level sensor is installed in the solar heat collection water tank and is electrically connected with the PLC.

And a temperature sensor is arranged in the mixed water tank and is electrically connected with the PLC.

The mixed water tank is also communicated with the solar heat collection water tank through a water return pipe, a water return pump is installed on the water return pipe, and the PLC is electrically connected with the water return pump.

Compared with the prior art, the utility model has the beneficial effects that:

(1) the solar water heating system is characterized in that the solar heat collector is provided with the optical radiation sensor, the signal output end of the optical radiation sensor is connected with the PLC, the signal output end of the PLC is connected with the circulating water pump and the hot water switch, when the solar water heating system is in use, the optical radiation sensor detects illumination, the PLC starts the circulating pump and turns on the hot water switch, the work of circularly heating water in the solar water heating tank can be automatically realized, the uniform heating of water for use is ensured, meanwhile, the temperature sensor is arranged in the mixed water tank, and after the hot water and cold water are mixed in the mixed water tank to reach the suitable temperature for use, the PLC starts the booster pump to convey the water for a user.

(2) According to the solar water heating system, the water level sensor is arranged in the solar heat collecting water tank, the water level condition in the solar heat collecting water tank is monitored in real time, the water replenishing pump can be started through the PLC controller to replenish water after the water level is too low, the hot water is kept sufficient, meanwhile, the temperature sensor is arranged in the mixed water tank, and when the hot water is not used, the temperature sensor detects that the temperature in the mixed water tank is low, the PLC controller starts the water returning pump to recycle cold water into the solar heat collecting water tank, and when the solar water heating system is used again, the cold water is recycled after being heated circularly.

Drawings

FIG. 1 is a schematic structural diagram of a solar water heating system with intelligent circulating water supply according to the present invention;

in the figure: 1. a PLC controller; 2. a solar heat collector; 3. a solar heat collection water tank; 4. a mixing water tank; 5. a tap water system; 6. circulating a water inlet pipe; 7. circulating a water outlet pipe; 8. a circulation pump; 9. a hot water switch; 10. a delivery pump; 11. a booster pump; 12. a water replenishing pump; 13. a cold water pipe; 14. a cold water switch; 15. an optical radiation sensor; 16. a water level sensor; 17. a temperature sensor; 18. a water return pipe; 19. a water return pump.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the present invention provides an embodiment: a solar water heating system with intelligent circulating water supply comprises a PLC (programmable logic controller) 1, a solar heat collector 2, a solar heat collection water tank 3, a mixed water tank 4 and a tap water system 5, wherein the solar heat collection water tank 3 is communicated with the solar heat collector 2 through a circulating water inlet pipe 6 and a circulating water outlet pipe 7, a circulating pump 8 is arranged on the circulating water inlet pipe 6, the circulating pump 8 provides power to lift water in the solar heat collection water tank 3 into the solar heat collector 2, a hot water switch 9 is arranged on the circulating water outlet pipe 7, the fully heated water returns to the solar heat collection water tank 3 from the circulating water outlet pipe 7, the solar heat collection water tank 3 is connected with the mixed water tank 4 through a delivery pump 10, the mixed water tank 4 is connected with a user end through a booster pump 11, the booster pump 11 is used for providing certain water delivery pressure to ensure that each water using appliance of the user end has certain water outlet pressure, the tap water system 5 is connected with the solar heat collection water tank 3 through a water replenishing pump 12, the tap water system 5 can replenish used water for the whole hot water system under the power action of the water replenishing pump 12 to ensure the water demand of a user end, and the signal output end of the PLC controller 1 is respectively connected with the signal output ends of the circulating pump 8, the hot water switch 9, the delivery pump 10, the booster pump 11 and the water replenishing pump 12, so that the PLC controller 1 can output signals to control the start and the stop of the water sources;

the tap water system 5 is also connected with the mixed water tank 4 through a cold water pipe 13, a cold water switch 14 is installed on the cold water pipe 13, a signal output end of the PLC controller 1 is connected with a signal input end of the cold water switch 14, and the PLC controller 1 controls the opening and closing of the cold water switch 14 to enable cold water and hot water to be mixed in the mixed water tank 4 and enable the cold water and the hot water to reach proper use temperature;

the solar thermal collector 2 is provided with an optical radiation sensor 15, the signal output end of the optical radiation sensor 15 is connected with the signal input end of the PLC controller 1, after the optical radiation sensor 15 detects the illumination condition, the illumination information is converted into an electric signal and transmitted to the PLC controller 1, and the PLC controller 1 controls the operation of the whole system according to the illumination information;

a water level sensor 16 is installed in the solar heat collection water tank 3, a signal output end of the water level sensor 16 is connected with a signal input end of the PLC controller 1, and according to the water level condition monitored by the water level sensor 16, the PLC controller 1 can control the water replenishing pump 12 to replenish the water for use in the solar heat collection water tank 3, so that the water demand of a user side is ensured;

a temperature sensor 17 is arranged in the mixed water tank 4, the signal output end of the temperature sensor 17 is connected with the signal input end of the PLC controller 1, on one hand, according to the temperature signal detected by the temperature sensor 17, the PLC controller 1 controls the delivery pump 10 and the cold water switch 14 to adjust the temperature of the hot water and the cold water as much as possible, after the temperature of the mixed water is in a proper range, the mixed water is delivered to a user end through the booster pump 11, the mixed water tank 4 is also communicated with the solar heat collection water tank 3 through a water return pipe 18, a water return pump 19 is arranged on the water return pipe 18, the signal output end of the PLC controller 1 is connected with the signal input end of the water return pump 19, on the other hand, in the unused state, the temperature sensor 17 detects that the water temperature is in a cold water state, the PLC 1 starts the water return pump 19 to recover the cold water in the mixed water tank 4 to the solar heat collection water tank 3 through the water return pipe 18.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a solar water heating system of intelligence circulation water supply which characterized in that: the solar energy water heater comprises a PLC (programmable logic controller) (1), a solar heat collector (2), a solar heat collection water tank (3), a mixed water tank (4) and a tap water system (5), wherein the solar heat collection water tank (3) is communicated with the solar heat collector (2) through a circulating water inlet pipe (6) and a circulating water outlet pipe (7), a circulating pump (8) is arranged on the circulating water inlet pipe (6), a hot water switch (9) is arranged on the circulating water outlet pipe (7), the solar heat collection water tank (3) is connected with the mixed water tank (4) through a delivery pump (10), the mixed water tank (4) is connected with a user end through a booster pump (11), the tap water system (5) is connected with the solar heat collection water tank (3) through a water replenishing pump (12), and the PLC (1) is respectively connected with the circulating pump (8), the hot water switch (9), the delivery pump (10), The booster pump (11) and the water replenishing pump (12) are electrically connected.

2. The solar water heating system with intelligent circulating water supply as claimed in claim 1, wherein: the tap water system (5) is further connected with the mixed water tank (4) through a cold water pipe (13), a cold water switch (14) is installed on the cold water pipe (13), and the PLC (1) is electrically connected with the cold water switch (14).

3. The solar water heating system with intelligent circulating water supply as claimed in claim 1, wherein: the solar energy heat collector (2) is provided with an optical radiation sensor (15), and the optical radiation sensor (15) is electrically connected with the PLC controller (1).

4. The solar water heating system with intelligent circulating water supply as claimed in claim 1, wherein: a water level sensor (16) is installed in the solar heat collection water tank (3), and the water level sensor (16) is electrically connected with the PLC (1).

5. The solar water heating system with intelligent circulating water supply as claimed in claim 1, wherein: install temperature sensor (17) in mixing water tank (4), temperature sensor (17) are connected with PLC controller (1) electricity.

6. The solar water heating system with intelligent circulating water supply as claimed in claim 4, wherein: the solar water heater is characterized in that the mixed water tank (4) is communicated with the solar heat collection water tank (3) through a water return pipe (18), a water return pump (19) is installed on the water return pipe (18), and the PLC (programmable logic controller) is electrically connected with the water return pump (19).