CN216845162U

CN216845162U - Hot water system is used at PVT family

Info

Publication number: CN216845162U
Application number: CN202122890036.XU
Authority: CN
Inventors: 成营营; 丁海兵
Original assignee: BEIJING TIANPU SOLAR ENERGY INDUSTRY CO LTD; Tianpu New Energy Technology Tianjin Co ltd; TIANPU NEW ENERGY TECHNOLOGY CO LTD
Current assignee: BEIJING TIANPU SOLAR ENERGY INDUSTRY CO LTD; Tianpu New Energy Technology Tianjin Co ltd; TIANPU NEW ENERGY TECHNOLOGY CO LTD
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-06-28
Anticipated expiration: 2031-11-19

Abstract

The utility model belongs to the technical field of solar photo-thermal utilization, and particularly relates to a PVT household hot water system, which comprises: the system comprises a domestic water supply pipe, a hot water pipe, a circulating water outlet pipe, a circulating water inlet pipe, a temperature probe, a water sprayer, a water meter, a check valve, a controller, a tap water receiving end, a PVT heat collector, a power supply plug and a heat storage water tank. Compared with the common photovoltaic panel, the technical scheme provided by the utility model has the advantage that the generating efficiency is improved by 11-15% on average year by year. Meanwhile, the PVT household hot water system is simple and reliable, convenient to install and high in heat collection efficiency.

Description

Hot water system is used at PVT family

Technical Field

The utility model belongs to the technical field of solar photo-thermal utilization, and particularly relates to a PVT household hot water system.

Background

In recent years, with the increasingly prominent environmental problems and energy problems, new energy technologies are more and more concerned by the world, and solar photo-thermal utilization technologies are produced as novel pollution-free power generation technologies, but the solar thermal systems commonly used in the market at present can only provide hot water by converting light energy into heat energy, or can only provide hot water by converting light energy into electric energy and heating cold water through electric auxiliary heating devices, and the functions are single.

After the photovoltaic panel is irradiated by sunlight for a long time in the using process, due to the limitation of photoelectric conversion efficiency, a part of solar energy can be changed into heat energy to be gathered on the photovoltaic panel, the heat energy can increase the temperature of the photovoltaic panel, low-temperature heat energy about 3 times of the generated electricity is generated, the heat energy is generally not utilized to be directly discharged into the air, the generating efficiency of the photovoltaic panel is reduced, and the photovoltaic panel can be damaged by high temperature to reduce the service life of the photovoltaic panel.

The prior Chinese patent application No. CN201620095459.9 discloses a solar energy intermediate heat-collecting water system adopting a non-electric auxiliary heat source, which comprises a solar energy central heat-supplying water system and a non-electric auxiliary heat source system, wherein the solar energy central heat-supplying water system comprises a solar energy heat collector plate group, a heat collecting system circulating water pump, a positive displacement heat exchanger, a heat collecting system expansion tank, a hot water system circulating water pump and a hot water system expansion tank which are connected by pipelines, the positive displacement heat exchanger is a double-coil pipe positive displacement heat exchanger, heat collecting medium water of the solar energy central heat-supplying water system is connected into one coil pipe, hot water of the non-electric auxiliary heat source water-supplying system is connected into the other coil pipe, the hot water of the non-electric auxiliary heat source system takes a heat pump, a boiler house or municipal heat collector as a heat source, and the requirement of adopting auxiliary heating operation cost is reduced when the solar energy water heating system of a large-collecting building or a building group is lack of sunlight, the supply quality and the guarantee rate of the solar water heating system are improved, but a hot water system for PVT users is not provided.

For another example, chinese patent application No. CN201410308136.9 discloses a solar and air source heat pump hot water system and a control method thereof, which includes a hot water storage, a solar hot water system for supplying heat to the hot water storage, and an air source heat pump hot water system with dual evaporators; the solar water heating system is formed by connecting a hot water system circulating water pump, a third electromagnetic valve, a solar heat collecting system circulating water pump, a solar heat collector, a sixth electromagnetic valve and related connecting pipelines in series. The solar water heating system and the air source heat pump water heating system are organically combined, so that the solar water heating system and the air source heat pump water heating system can be used for supplying heat independently, complementarily or jointly according to different weather conditions, the efficient utilization of solar energy is realized, the working efficiency of the air source heat pump is improved, and the energy consumption is saved. But also does not suggest a hot water system for PVT users.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a hot water system for PVT users;

the PVT household hot water system comprises: the system comprises a domestic water supply pipe, a hot water pipe, a circulating water outlet pipe, a circulating water inlet pipe, a temperature probe, a water sprayer, a water meter, a check valve, a controller, a tap water receiving end, a PVT heat collector, a power supply plug and a heat storage water tank; the heat storage water tank is communicated with the water drenching device through a domestic water supply pipe and a hot water pipe respectively, and is communicated with the PVT heat collector through a circulating water outlet pipe and a circulating water inlet pipe respectively; the tap water receiving end is connected with a domestic water supply pipe branch through a valve, a water meter and a check valve in sequence, and the heat storage water tank is electrically connected with the power supply plug, the controller and the temperature probe respectively.

Further, the PVT heat collector consists of a PVT heat collector frame, a transparent aerogel glass layer, a battery piece, an EVA (ethylene vinyl acetate) adhesive layer, a first back plate, a junction box, a heat conduction flow pipe, a heat insulation fixing plate, a heat insulation material layer, a second back plate and a pressing strip; PVT heat collector frame in proper order with transparent aerogel glass layer, battery piece, EVA glue film, first backplate fixed connection, terminal surface before the terminal box is fixed in first backplate, heat conduction flow tube glues between first backplate and thermal-insulated fixed plate, and the insulating material layer adopts sticky mode to fix between thermal-insulated fixed plate and second backplate, fixes through the layering below the second backplate.

Further, the heat storage water tank consists of a shell, an outer end cover buckle, a ceramic liner, a hot water outlet, a cold water inlet, a circulation outlet, a heating rod, an intelligent controller, a magnesium rod and a heat insulation layer; the shell is internally provided with a heat preservation layer which is welded around the ceramic liner, the lower end of the ceramic liner is sequentially provided with a hot water outlet connected with a hot water pipe, a cold water inlet connected with a living water supply pipe, a circulating inlet connected with a circulating water inlet pipe and a circulating outlet communicated with a circulating water outlet pipe, and the right side of the ceramic liner is respectively connected with a magnesium rod and a heating rod at the same level through flanges; the outer end cover is buckled at the right end of the shell, and the intelligent controller is fixed on the shell.

Furthermore, the side of the shell is connected with a hanging rack.

Furthermore, valves are respectively arranged on the domestic water supply pipe and the hot water pipe.

Furthermore, the cold water inlet is communicated with the safety air release pipe through a safety air release valve.

Further, the heat conduction flow pipe is an S-shaped flow pipe.

Furthermore, the material of the heat insulation material layer is aerogel felt.

Furthermore, the intelligent control instrument is respectively electrically connected with the heating rod, the junction box and the power supply plug; the junction box is electrically connected with the battery piece.

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

1. the system provided by the utility model preferentially uses the direct current of the PVT heat collector to start electric auxiliary heating to heat the water in the heat storage water tank, and the alternating current is started according to the weather condition and the hot water consumption of the user, so that the electric energy is fully saved.

2. The system provided by the utility model absorbs the heat energy generated by the battery piece through heat collection circulation, effectively reduces the temperature of the battery piece, improves the power generation efficiency, increases the generated energy, stores the heat in the water storage tank for the use of hot water of a user, and is simple and reliable, convenient to install and high in heat collection efficiency.

3. Compared with a common photovoltaic panel, the PVT heat collector of the system provided by the utility model has the advantage that the generating efficiency is improved by 11-15% year by year.

4. The system provided by the utility model can effectively protect the water tank and improve the system safety by arranging the safety relief valve, and can effectively insulate heat by arranging the transparent aerogel glass layer, thereby greatly preventing the heat radiated from the front side from dissipating; the heat conduction flow pipe is an S-shaped flow passage and is fixed on the heat insulation fixing plate in an adhesive mode; the thermal insulation material layer is made of aerogel felt and is adhered to the pressing strip, the thermal conductivity is low, the thermal insulation performance is superior to polyurethane, the heat is effectively kept, the thickness of the heat collector is reduced, the weight of the heat collector is reduced, and the heat collector is convenient to combine with a building.

Drawings

FIG. 1 is a schematic structural diagram of a hot water system for PVT users according to the present invention;

FIG. 2 is an exploded perspective view of the PVT thermal collector of FIG. 1;

fig. 3 is a schematic view of an internal structure of the heat storage water tank in fig. 1;

fig. 4 is a schematic side view of the hot water storage tank in fig. 1;

fig. 5 is an electrical connection diagram of the PVT user hot water system.

The labels in the figure are: 1-a domestic water supply pipe, 2-a hot water pipe, 3-a circulating water outlet pipe, 4-a circulating water inlet pipe, 5-a temperature probe, 6-a water sprayer, 7-a water meter, 8-a valve, 9-a check valve, 10-a controller, 11-a tap water receiving end, 12-a PVT heat collector, 1201-a PVT heat collector frame, 1202-a transparent aerogel glass layer, 1203-a battery piece, 1204-an EVA adhesive layer, 1205-a first back plate, 1206-a junction box, 1207-a heat conduction flow pipe, 1208-a heat insulation fixed plate, 1209-a heat insulation material layer, 1210-a second back plate, 1211-a pressing strip, 13-a power supply plug, 14-a safety pressure relief pipe, 15-a heat storage water tank, 1501-a shell, 1502-an outer end cover and 1503-an outer end cover buckle, 1504-ceramic liner, 1505-hot water outlet, 1506-cold water inlet, 1507-circulation inlet, 1508-circulation outlet, 1509-hanging rack, 1510-heating rod, 1511-intelligent controller, 1512-magnesium rod and 1513-insulating layer.

Detailed Description

The utility model is described in further detail below with reference to the drawings and the detailed description.

As shown in fig. 1, the hot water system for PVT users comprises: the system comprises a domestic water supply pipe 1, a hot water pipe 2, a circulating water outlet pipe 3, a circulating water inlet pipe 4, a temperature probe 5, a water sprayer 6, a water meter 7, a check valve 9, a controller 10, a tap water connection end 11, a PVT heat collector 12, a power supply plug 13 and a heat storage water tank 15; the heat storage water tank 15 is respectively communicated with the water drenchers 6 through a domestic water supply pipe 1 and a hot water pipe 2, and the heat storage water tank 15 is respectively communicated with the PVT heat collectors 12 through a circulating water outlet pipe 3 and a circulating water inlet pipe 4; the tap water receiving end 11 is connected with a branch of the domestic water supply pipe 1 through a valve 8, a water meter 7 and a check valve 9 in sequence, and the domestic water supply pipe 1 for supplying respectively conveys water to the water shower 6 and the heat storage water tank 15; as shown in fig. 5, the hot water storage tank 15 is electrically connected to the power supply plug 13, the controller 10 and the temperature probe 5.

As shown in fig. 2, further, the PVT heat collector 12 is composed of a PVT heat collector frame 1201, a transparent aerogel glass layer 1202, a battery sheet 1203, an EVA glue layer 1204, a first back plate 1205, a junction box 1206, a heat conduction flow pipe 1207, a heat insulation fixing plate 1208, a heat insulation material layer 1209, a second back plate 1210, and a pressing strip 1211; PVT heat collector frame 1201 is in proper order with transparent aerogel glass layer 1202, battery piece 1203, EVA glue film 1204, first backplate 1205 fixed connection, terminal box 1206 is fixed in first backplate 1205 front end face, and heat conduction flow tube 1207 glues between first backplate 1205 and thermal-insulated fixed plate 1208, and insulating material layer 1209 adopts the adhesive mode to fix between thermal-insulated fixed plate 1208 and second backplate 1210, fixes through layering 1211 below second backplate 1210.

As shown in fig. 3, further, the hot water storage tank 15 is composed of a housing 1501, an outer end cover 1502, an outer end cover button 1503, a ceramic inner container 1504, a hot water outlet 1505, a cold water inlet 1506, a circulation inlet 1507, a circulation outlet 1508, a heating rod 1510, an intelligent controller 1511, a magnesium rod 1512 and an insulating layer 1513; the heat preservation layer 1513 is arranged inside the shell 1501, the heat preservation layer 1513 is welded around the ceramic liner 1504, the lower end of the ceramic liner 1504 is sequentially provided with a hot water outlet 1505 connected with a hot water pipe 2, a cold water inlet 1506 connected with a living water supply pipe 1, a circulating inlet 1507 connected with a circulating water inlet pipe 4 and a circulating outlet 1508 communicated with a circulating water outlet pipe 3, and the right side of the ceramic liner 1504 is respectively connected with a magnesium rod 1512 and a heating rod 1510 at the same level through flanges; an outer end cover button 1503 is arranged on the outer end cover 1502 in a buckled mode, the outer end cover 1502 is arranged at the right end of the shell 1501 in a buckled mode, and the intelligent controller 1511 is fixed on the shell 1501.

As shown in fig. 4, a hanger 1509 is further connected to a side of the housing 1501 for fixing the hot water storage tank 15 to a wall.

Furthermore, valves 8 are respectively arranged on the domestic water supply pipe 1 and the hot water pipe 2 and are used for adjusting the water outlet temperature and the water outlet speed of the water drencher 6.

Further, the cold water inlet 1506 is connected to the safety relief pipe 14 through a safety relief valve (not shown) for discharging the excess gas in the hot water storage tank 15.

Further, the heat conducting flow tube 1207 is an S-shaped flow tube.

Further, the thermal insulation material layer 1209 is made of aerogel felt.

As shown in fig. 5, further, the intelligent controller 1511 is electrically connected to the heating rod 1510, the junction box 1206, and the power supply plug 13; the junction box 1206 is electrically connected with the battery plate 1203; heating by adopting a PVT heat collector 12 or heating by using a power supply plug 13 to a heating rod 1512 is controlled by an intelligent controller 1511 according to weather conditions and the amount of hot water used by a user, so that the heating of tap water in the ceramic liner 1504 is realized.

The present invention is not limited to the above-described embodiments, which are described in the specification and illustrated only for illustrating the principle of the present invention, but various changes and modifications may be made within the scope of the present invention as claimed without departing from the spirit and scope of the present invention.

Claims

1. A hot water system for PVT users is characterized by comprising; the system comprises a domestic water supply pipe, a hot water pipe, a circulating water outlet pipe, a circulating water inlet pipe, a temperature probe, a water sprayer, a water meter, a check valve, a controller, a tap water receiving end, a PVT heat collector, a power supply plug and a heat storage water tank; the heat storage water tank is communicated with the water drenching device through a domestic water supply pipe and a hot water pipe respectively, and is communicated with the PVT heat collector through a circulating water outlet pipe and a circulating water inlet pipe respectively; the tap water receiving end is connected with a domestic water supply pipe branch through a valve, a water meter and a check valve in sequence, and the heat storage water tank is electrically connected with the power supply plug, the controller and the temperature probe respectively.

2. The PVT household hot water system as claimed in claim 1, wherein the PVT heat collector is composed of a PVT heat collector frame, a transparent aerogel glass layer, a battery piece, an EVA adhesive layer, a first back plate, a junction box, a heat conduction flow pipe, a heat insulation fixing plate, a heat insulation material layer, a second back plate and a pressing strip; the frame of the PVT heat collector is fixedly connected with the transparent aerogel glass layer, the battery piece, the EVA adhesive layer and the first backboard in sequence, the junction box is fixed on the front end face of the first backboard, the heat conduction flow pipe is adhered between the first backboard and the heat insulation fixing plate, the heat insulation material layer is fixed between the heat insulation fixing plate and the second backboard in an adhesion mode, and the lower face of the second backboard is fixed through the pressing strip.

3. The hot water system for the PVT users according to claim 2, wherein the hot water storage tank is composed of a shell, an outer end cover buckle, a ceramic inner container, a hot water outlet, a cold water inlet, a circulation outlet, a heating rod, an intelligent controller, a magnesium rod and a heat insulation layer; the shell is internally provided with a heat preservation layer which is welded around the ceramic liner, the lower end of the ceramic liner is sequentially provided with a hot water outlet connected with a hot water pipe, a cold water inlet connected with a living water supply pipe, a circulating inlet connected with a circulating water inlet pipe and a circulating outlet communicated with a circulating water outlet pipe, and the right side of the ceramic liner is respectively connected with a magnesium rod and a heating rod at the same level through flanges; the outer end cover is buckled at the right end of the shell, and the intelligent controller is fixed on the shell.

4. The PVT household hot water system of claim 3, wherein the housing is laterally attached to a hanger.

5. The PVT household hot water system as claimed in claim 3, wherein valves are respectively disposed on the domestic water supply pipe and the hot water pipe.

6. The PVT household hot water system of claim 3, wherein the cold water inlet is communicated with a safety relief pipe through a safety relief valve.

7. The PVT household hot water system of claim 2, wherein the heat conducting flow pipe is an S-shaped flow pipe.

8. The PVT household hot water system as claimed in claim 2, wherein the thermal insulation material layer is made of aerogel felt.

9. The PVT household hot water system as claimed in claim 3, wherein the intelligent controller is electrically connected with the heating rod, the junction box and the power supply plug respectively; the junction box is electrically connected with the battery piece.