CN219740320U - Photovoltaic heat and electricity combined storage system - Google Patents

Abstract

The utility model relates to a photovoltaic thermoelectric combined storage system, which comprises: support, photovoltaic board and heat collector, the support top is connected with photovoltaic board and heat collector, and the front of photovoltaic board is to the sunny side, is equipped with first water inlet and first delivery port on the heat collector, and the leg joint has the battery and with the dc-to-ac converter of battery electricity connection, and the support includes connecting portion and box, and the box passes through connecting portion to be connected with photovoltaic board, is equipped with the water storage cavity in the box, and the water storage cavity intercommunication has the second water inlet and the second delivery port of being connected with first delivery port, is equipped with the circulating pump between second delivery port and the first water inlet. Through connecting photovoltaic board, heat collector, battery and dc-to-ac converter on the support, set up the water storage cavity in the bottom of the support box, the other circulating pump that sets up of water storage cavity, the hot water is stored to the water storage cavity, and the battery stores the electric quantity, makes whole operating system integrated design on an equipment, and single equipment can satisfy domestic consumer's demand with hot water power consumption, easy to assemble and use.

Description

Photovoltaic heat and electricity combined storage system

Technical Field

The utility model relates to the technical field of solar photovoltaic photo-thermal technology, in particular to a photovoltaic thermoelectric combined storage system.

Background

The household distributed photovoltaic system refers to a distributed photovoltaic system constructed by using buildings within the range of natural human premises. The household photovoltaic system has the advantages of nearby development and construction and nearby on-site digestion and utilization, is an important direction of photovoltaic power generation development, can effectively utilize building roofs, and solves the problem of land restriction faced by the photovoltaic power generation development. One type of household photovoltaic system utilizes a solar photovoltaic photo-thermal (PV/T) technology, photovoltaic and photo-thermal are combined together, a photovoltaic plate and a heat collector are arranged in the system, and can collect light energy and heat energy from sunlight at the same time when the system works, so that higher solar energy utilization rate can be realized, and the requirements of household power supply and hot water supply can be well met.

The existing household photovoltaic photo-thermal system is mainly used by carrying out split layout design and installation on the photovoltaic photo-thermal system in cooperation with a household building, so that the installation cost of the photovoltaic photo-thermal system is high, the installation work is complicated, and the maintenance difficulty is increased. Meanwhile, for some families with smaller house areas, a photovoltaic photo-thermal system with integrated design and smaller occupied area is more needed to meet the use requirement.

Disclosure of Invention

The utility model provides a photovoltaic thermal and electric storage system for overcoming the defect that a photovoltaic photo-thermal system in the prior art needs to be arranged, designed and installed in a split mode.

In order to solve the technical problems, the utility model adopts the following technical scheme:

a photovoltaic thermoelectric storage system comprising: support, photovoltaic board and heat collector, the support top is connected with the photovoltaic board, the photovoltaic board back is connected with the heat collector, the front of photovoltaic board is to the sun face, be equipped with first water inlet and first delivery port on the heat collector, the leg joint has battery and dc-to-ac converter, the dc-to-ac converter with the battery electricity is connected, the support includes connecting portion and box, the box pass through connecting portion with the photovoltaic board is connected, be equipped with the water storage cavity in the box, water storage cavity intercommunication has second water inlet and second delivery port, the second water inlet with first delivery port is connected, the second delivery port with be connected with the circulating pump between the first water inlet.

The photovoltaic board and the heat collector combine to use and constitute the PV/T subassembly, the heat collector dispels the heat for the photovoltaic board, avoid the overheated power generation efficiency that leads to of photovoltaic board to reduce, the power generation that the photovoltaic board sent out needs to be handled through the dc-to-ac converter, then provide the family again and use, the dc-to-ac converter of current photovoltaic photo-thermal system, when the installation, generally keep away from the photovoltaic board and install, longer wire is connected between dc-ac converter and the photovoltaic board, except the dc-to-ac converter, other associated components of photovoltaic photo-thermal system all are kept away from the PV/T subassembly and design the installation, lead to whole photovoltaic photo-thermal system position distribution to disperse, lead to personnel when maintaining the system, be difficult to discover the trouble, photovoltaic photo-thermal system's distribution overall arrangement still needs to design according to building actual conditions simultaneously, the installation cost is relatively higher, installation debugging process is also more loaded down with trivial details.

According to the utility model, the storage battery and the inverter are integrally arranged on the support, the support is divided into the connecting part and the box body, the photovoltaic panel and the heat collector are connected to the top end of the connecting part, the water storage cavity is arranged in the box body, and the circulating pump is arranged between the water storage cavity and the heat collector, so that the whole system is integrally designed on the support, and meanwhile, the system has the functions of generating electricity, storing electricity, supplying electricity, storing hot water, supplying hot water and the like. When the system is installed by a user, the installation can be completed by directly installing the bracket, and the system is convenient and quick. The storage battery is an electrical element associated with the photovoltaic panel power generation, the integrated design is arranged on the support, the installation of the whole system is convenient, a user can conveniently obtain a power supply, and the user can directly set a socket on the support, so that the power supply of the storage battery can be directly obtained to supply power to the electrical appliance. When the photovoltaic panel generates electricity, the photovoltaic panel charges the storage battery preferentially, and after the storage battery is full, the electricity generated by the photovoltaic panel can be connected to an external power grid so as to further utilize the power generation power supply. The heat collector is connected with an external water source through the first water inlet, water flows out from the first water outlet after entering the heat collector to absorb heat and directly flows into the water storage cavity at the bottom of the bracket, meanwhile, the second water outlet of the water storage cavity and the first water inlet of the heat collector are communicated through the circulating pump, the circulating pump circularly conveys water in the water storage cavity to the heat collector, the cooling effect of the water flow is fully utilized, the water flow can be gradually warmed up to become hot water in the circulating process, and the hot water is stored in the water storage cavity for use. It is worth noting that the first water inlet is connected with an external water source and a circulating pump, a branch is arranged on one side of the first water inlet to be connected with two water flows, a one-way valve is further arranged between the circulating pump and the first water inlet to prevent the external water source from flowing backwards into the circulating pump, and a valve or a one-way valve is also arranged between the first water inlet and the external water source to prevent the circulating pump from conveying water in the water tank to the external water source in a countercurrent mode. Meanwhile, the circulating pump directly uses the electric power of the storage battery to work, the power generation resource of the photovoltaic panel is fully utilized, and the water storage cavity can be directly used by users after storing hot water. After the photovoltaic photo-thermal system related components are integrally designed on the support, the installation of a user is facilitated, meanwhile, maintenance staff can conveniently and rapidly check out fault problems during maintenance, and the installation and maintenance cost is reduced.

Preferably, the heat collector comprises a superconducting heat pipe connected with the back of the photovoltaic panel and a cooling water pipe abutted with the heat dissipation end of the superconducting heat pipe, the superconducting heat pipe is used for collecting heat of the photovoltaic panel onto the cooling water pipe, and the first water inlet and the first water outlet are arranged on the cooling water pipe.

The heat collector is used for absorbing heat of the photovoltaic panel and avoiding overheat of the photovoltaic panel, the superconducting heat pipe is a vacuum radiating pipe, a heat conducting medium is arranged in the vacuum radiating pipe, the heat conducting medium transfers the heat of the photovoltaic panel to one end of the superconducting heat pipe by means of evaporation and condensation and radiates heat, and the end is called a radiating end. The cooling water pipe is abutted with the heat dissipation end, heat is taken away when water in the cooling water pipe flows through the cooling water pipe, and then the heat dissipation effect of the auxiliary heat dissipation end is achieved. The setting of superconductive heat pipe constantly concentrates cooling water pipe one end with the heat, when promoting radiating efficiency, also makes photovoltaic photo-thermal system control heat distribution, controls high heat region in cooling water pipe one end for electrical components can install in the region of relative low temperature, does benefit to the installation overall arrangement of electrical components on the support.

Preferably, the back of the photovoltaic plate is provided with a heat insulation layer which covers the back of the photovoltaic plate and the superconducting heat pipe, and the surface of the box body is covered with a waterproof heat insulation layer.

Based on the above consideration, the heat preservation and insulation layer is arranged on the back of the photovoltaic panel to further reduce and control the temperature of the back of the photovoltaic panel, so that the electric elements such as the storage battery arranged on the bracket are fully prevented from being influenced by the heat of the photovoltaic panel, and the electric elements are ensured to work normally. Meanwhile, the water storage cavity is arranged in the box body and is used for storing hot water for users to use, the electric elements are arranged on the support and can be affected by heat of the box body, the waterproof heat insulation layer is arranged to ensure the heat insulation effect of the water storage cavity, and the temperature in the water storage cavity can be prevented from being conducted to the outside of the water storage cavity and then conducted to the electric elements.

Preferably, the storage battery and the inverter are arranged at the top of the box body and are located in the coverage area of the photovoltaic panel.

The heat through the superconducting heat pipe is directionally transferred to the cooling water pipe, and then the heat preservation and heat insulation layer on the back of the photovoltaic panel is matched, so that the temperature in the coverage area of the photovoltaic panel is relatively low, the photovoltaic panel is suitable for placing devices such as a storage battery and an inverter, meanwhile, the waterproof and heat insulation layer is arranged on the surface of the box body, so that an electric element can be placed at the top of the box body, the box body is used as a water storage device and a mounting base of the electric element such as the storage battery, and the effect of the box body is fully exerted.

Preferably, a semiconductor thermoelectric generation sheet connected with the storage battery is arranged on one side, far away from the superconducting heat pipe, of the cooling water pipe, and the semiconductor thermoelectric generation sheet is connected with a radiating fin.

Semiconductor thermoelectric generation sheets are a novel renewable energy technology that utilizes the principle of thermoelectric effect to generate electrical energy by combining two different types of semiconductor materials together to create an electromotive force difference between the two materials. In the system, the storage battery is required to store electricity and supply power, the power resource which can be stored in the system can be further improved by adding the semiconductor thermoelectric generation sheet, the storage battery can store the electric energy from the semiconductor thermoelectric generation sheet besides the electric energy from the photovoltaic panel, and after the high-capacity storage battery is provided, the electricity storage performance and the power supply performance of the system can be improved.

Preferably, the connecting part comprises a mounting block, a connecting rod, bolts and a connecting block, the connecting part is provided with a plurality of mounting blocks, the mounting blocks are arranged at the top of the box body and are movably connected with the connecting rod, the mounting blocks are provided with bolts for locking the connecting rod, the top of the connecting rod is hinged with the connecting block, and the connecting block is connected with the photovoltaic panel; the second water inlet is connected with the first water outlet through a hose, and a fixing unit for fixing the hose is arranged on the connecting rod.

The connecting block is articulated with the heat collector, and be equipped with a plurality of connecting portions on the box, the connecting rod can the oscilaltion installation simultaneously, the connecting rod cooperation connecting block can realize the regulation to photovoltaic board angle, can be suitable for the installation requirement in different regions, the connecting rod can go up and down simultaneously so that the photovoltaic board also can wholly go up and down, in the region that the temperature is higher throughout the year and storm weather is rare, can adjust the higher position with the photovoltaic board, so that the photovoltaic board can better dispel the heat, otherwise to the region that some storm weather frequently takes place, then can adjust down the photovoltaic board position, avoid the photovoltaic board to be blown out by the gust. Meanwhile, the liftable connecting rod can be suitable for storage batteries or inverters with different heights, and is flexible to install. The first water outlet is positioned on the cooling water pipe, the second water inlet is positioned on the box body, the height of the first water outlet can change along with the height of the connecting rod, so that the connection between the two connectors is suitable for flexible pipe connection, and the fixing unit on the connecting rod is used for fixing the flexible pipe and the connecting rod, so that the flexible pipe is prevented from shaking.

Preferably, a heating unit connected with the storage battery is arranged in the water storage chamber.

For the family that the demand to hot water use is bigger, set up heating unit in the water storage cavity inside, can guarantee that equipment when environment sunshine is insufficient for making the water in the water storage cavity intensify to operating temperature, heating unit can heat the water in the water storage cavity, and then guarantees the hot water demand of family. Meanwhile, the heating unit directly uses the electric power of the storage battery to work, and the photovoltaic panel power generation resource is fully utilized.

Preferably, an electric appliance chamber is further arranged in the box body, the water storage chamber is located on one side of the sunny side of the box body, the electric appliance chamber is located on one side of the shady side of the box body and is internally provided with the storage battery and the inverter, a waterproof heat insulation layer is arranged between the electric appliance chamber and the water storage chamber, and a switch door for enabling equipment to be convenient to overhaul is arranged on one side of the electric appliance chamber of the box body.

The other setting mode of the electric element is that the electric element is arranged in the box body, and two mutually isolated cavities are arranged in the box body, so that the water storage cavity and other related electric components such as a storage battery, an inverter, a circulating pump and the like are arranged separately, the electric element can be prevented from being corroded by external sand wind and the like, the service life of equipment is prolonged, meanwhile, the electric element can be waterproof, the requirement on the type selection of the electric element is reduced, and a waterproof device is not required to be selected. Meanwhile, the waterproof heat insulation layer is arranged between the two chambers, as the water storage chamber is used for storing hot water, the electric appliance component should avoid overheating when in operation, if the electric appliance component is high in temperature when in operation, the electric appliance component can be easily damaged, and therefore the waterproof heat insulation layer is arranged between the two chambers, so that the heat of the water storage chamber is prevented from affecting the operation of the electric appliance component. The setting of switch door is then convenient maintenance personnel overhauls. The design promotes the protection of the electrical elements, but can reduce the volume of the water storage cavity in the box body, reduce the water storage capacity, and is suitable for areas frequently subjected to weather such as wind and rain or sand and dust.

Preferably, a cooling layer for cooling the electric appliance chamber is arranged above the electric appliance chamber.

The cooling layer is arranged above the electric appliance chamber to further cool the electric appliance component, so that the electric appliance component is fully prevented from being overheated due to the fact that the temperature of the electric appliance component is overheated due to the external high-temperature environment.

Preferably, the cooling layer is an interlayer with a water flow channel inside, and the water flow channel is connected with the first water inlet.

The cooling layer directly utilizes the outside water source to realize the cooling effect, sets up the rivers passageway in the inside cooling layer, makes the outside water source get into the preceding cooling layer that passes before the heat collector, for electrical components cooling, and rivers passageway can set up with the interlayer is integrative, improves the cooling effect, also can directly carry out tortuous circuitous with the hose and arrange, makes the hose shop full the interlayer, cools down for electrical components.

Compared with the prior art, the beneficial effects are that:

through connecting photovoltaic board and heat collector on the support top, connect installation battery and dc-to-ac converter on the support, set up the water storage cavity in support bottom box, set up the circulating pump between water storage cavity and heat collector, the water storage cavity is used for storing hot water, and the battery can store the electric quantity, makes whole operating system integrated design on an equipment, and single equipment can satisfy domestic consumer's demand for hot water power consumption, easy to assemble also facilitates the use.

Drawings

FIG. 1 is a perspective view of a photovoltaic thermal and electrical storage system of the present utility model;

FIG. 2 is another angular perspective view of a photovoltaic thermal and electrical storage system of the present utility model;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

FIG. 4 is a schematic view of a switch door structure of a photovoltaic cogeneration system according to the utility model;

fig. 5 is a schematic diagram of the structure of a water storage chamber and an electric appliance chamber of the photovoltaic thermoelectric combined storage system.

In the figure:

1. a bracket; 2. a photovoltaic panel;

3. a heat collector; 301. a superconducting heat pipe; 302. a cooling water pipe; 302a, a first water inlet; 302b, a first water outlet;

4. a storage battery; 5. an inverter; 6. a circulation pump;

7. a connection part; 701. a mounting block; 702. a connecting rod; 703. a bolt; 704. a connecting block;

8. a case; 801. a water storage chamber; 802. a second water inlet; 803. a second water outlet; 804. an appliance chamber; 805. a cooling layer;

9. semiconductor thermoelectric generation sheet; 10. a heat sink; 11. a hose; 12. a fixing unit; 13. and opening and closing the door.

In the figure, the arrow indicates the water flow direction.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationship depicted in the drawings is for illustrative purposes only and is not to be construed as limiting the present patent.

The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there are orientations or positional relationships indicated by terms "upper", "lower", "left", "right", "long", "short", etc., based on the orientations or positional relationships shown in the drawings, this is merely for convenience in describing the present utility model and simplifying the description, and is not an indication or suggestion that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and are not to be construed as limitations of the present patent, and that it is possible for those of ordinary skill in the art to understand the specific meaning of the terms described above according to specific circumstances.

The technical scheme of the utility model is further specifically described by the following specific embodiments with reference to the accompanying drawings:

example 1

A photovoltaic thermoelectric storage system as shown in fig. 1-3, comprising: support 1, photovoltaic board 2 and heat collector 3, support 1 top is connected with photovoltaic board 2, photovoltaic board 2 back is connected with heat collector 3, the front of photovoltaic board 2 is to the sunny face, be equipped with first water inlet 302a and first delivery port 302b on the heat collector 3, support 1 is connected with battery 4 and dc-to-ac converter 5, dc-to-ac converter 5 is connected with battery 4 electricity, support 1 includes connecting portion 7 and box 8, box 8 passes through connecting portion 7 and is connected with photovoltaic board 2, be equipped with water storage cavity 801 in the box 8, water storage cavity 801 intercommunication has second water inlet 802 and second delivery port 803, second water inlet 802 is connected with first delivery port 302b, be connected with circulating pump 6 between second delivery port 803 and the first water inlet 302 a.

The heat collector 3 comprises a superconducting heat pipe 301 connected with the back surface of the photovoltaic panel 2 and a cooling water pipe 302 abutting against the heat dissipation end of the superconducting heat pipe 301, wherein the superconducting heat pipe 301 is used for collecting heat of the photovoltaic panel 2 onto the cooling water pipe 302, and the first water inlet 302a and the first water outlet 302b are arranged on the cooling water pipe 302.

The back of the photovoltaic panel 2 is provided with a heat preservation and insulation layer which covers the back of the photovoltaic panel 2 and the superconducting heat pipe 301, and the surface of the box body 8 is covered with a waterproof and insulation layer.

The storage battery 4 and the inverter 5 are arranged at the top of the box body 8 and are positioned in the coverage range of the photovoltaic panel 2.

The cooling water pipe 302 is provided with a semiconductor thermoelectric generation sheet 9 connected with the storage battery 4 at one side far away from the superconducting heat pipe 301, and the semiconductor thermoelectric generation sheet 9 is connected with a radiating fin 10.

The connecting part 7 comprises a mounting block 701, a connecting rod 702, bolts 703 and connecting blocks 704, the connecting part 7 is provided with a plurality of mounting blocks 701, the mounting blocks 701 are arranged at the top of the box body 8 and are movably connected with the connecting rods 702, the mounting blocks 701 are provided with the bolts 703 for locking the connecting rods 702, the top of each connecting rod 702 is hinged with the connecting block 704, and the connecting blocks 704 are connected with the photovoltaic panels 2; the second water inlet 802 is connected with the first water outlet 302b through the hose 11, and the connection rod 702 is provided with a fixing unit 12 for fixing the hose 11.

Different from other photovoltaic photo-thermal systems, the heat collector 3 in the system comprises a superconducting heat pipe 301 and a cooling water pipe 302, the superconducting heat pipe 301 can transfer heat to one side of the cooling water pipe 302, water flows are introduced into the cooling water pipe 302 to take away the heat, meanwhile, the back of the photovoltaic panel 2 is provided with a heat preservation and insulation layer, the surface of the box 8 is also covered with a waterproof and insulation layer, so that the temperature of the top of the box 8 and the space of the back area of the photovoltaic panel 2 are sufficiently reduced, and further, the storage battery 4, the inverter 5 and other electrical elements are arranged at the top of the box 8, so that reasonable electrical element arrangement design is achieved. The circulating pump 6 is used for pumping water in the water storage cavity 801 into the heat collector 3 so as to recycle water flow, fully exert the cooling effect of the water flow, change the water temperature in the water tank into hot water in the process, and store the hot water in the water storage cavity 801 for use; meanwhile, the interface part should be located at the bottom of the water storage chamber 801, so that the interface part is not suitable for being arranged at the top of the box 8 and is arranged at the side surface of the box 8. The semiconductor thermoelectric generation piece 9 is further arranged below the cooling water pipe 302, and after the semiconductor thermoelectric generation piece 9 forms a temperature difference by means of two ends of the semiconductor thermoelectric generation piece, internal electrons are transferred to generate electricity, so that the generated energy of the system can be further improved, and the electricity storage capacity of the system can be increased.

When adjusting photovoltaic board 2 angle, installation piece 701 and bolt 703 are used for installing fixed connecting rod 702, and connecting block 704 at connecting rod 702 top articulates with photovoltaic board 2, makes photovoltaic board 2 can adjust inclination, need guarantee photovoltaic board 2 inclined plane face towards the sun during the installation. In addition, the height of the photovoltaic panel 2 in the installation process can be adjusted according to the local area, the photovoltaic panel 2 can be adjusted to a higher position in the area with higher annual temperature and rare storm weather, so that the photovoltaic panel 2 can better dissipate heat, otherwise, the position of the photovoltaic panel 2 can be adjusted down in the area with frequent storm weather, and the photovoltaic panel 2 is prevented from being blown out by storm. Meanwhile, in addition to the fact that the bolts 703 for fixing the connecting rods 702 need to be screwed down during installation, the fact that the whole equipment needs to be installed stably is guaranteed, the equipment can be fixed in a plurality of stable and reliable modes, and the mode is not repeated here.

During operation, the photovoltaic panel 2 absorbs solar radiation and generates electricity, the generated electricity is stored in the storage battery 4 preferentially, and then is processed by the inverter 5 to convey the surplus electricity to an external power grid for further use. In the process, the superconducting heat pipe 301 in the heat collector 3 continuously absorbs heat and transfers the heat to the cooling water pipe 302, at this time, the temperature of one end of the semiconductor thermoelectric generation sheet 9, which is abutted against the cooling water pipe 302, is increased, so that the two ends of the semiconductor thermoelectric generation sheet 9 form a temperature difference, and the semiconductor thermoelectric generation sheet 9 generates power. The first water inlet 302a of the cooling water pipe 302 is connected with an external water source, heat is taken out from the first water outlet 302b after water flows through the cooling water pipe 302, at the moment, the temperature of the water flow rises and flows through the hose 11 to enter the water storage cavity 801, then water in the water storage cavity 801 flows back into the heat collector 3 under the action of the circulating pump 6, the temperature rises again, the water flow becomes hot water after multiple circulation and is stored in the water tank, meanwhile, the hose 11 is fixed by the fixing unit 12 arranged on the connecting rod 702, the water flow is prevented from impacting the hose 11 or the hose 11 is prevented from shaking due to external wind flow when the water flow passes through, the water flow enters the water storage cavity 801 and is temporarily stored in the water storage cavity 801, and when water is needed by a user, the circulating pump 6 sends the water flow out under the power provided by the storage battery 4 for the user. In addition to delivering the electric energy out through the inverter 5 when the photovoltaic power generation electric energy is excessive, the storage battery 4 can also be connected with the inverter 5, so that a user can directly utilize the electric energy of the storage battery 4 at night.

Example 2

On the basis of embodiment 1, as shown in fig. 4-5, an electric appliance chamber 804 is further provided in the box 8, the water storage chamber 801 is located on the side of the box 8 facing the sun, the electric appliance chamber 804 is located on the side of the box 8 facing the back and the cathode, a storage battery 4 and an inverter 5 are provided inside the electric appliance chamber 804, a waterproof heat insulation layer is provided between the electric appliance chamber 804 and the water storage chamber 801, and a switch door 13 for facilitating equipment maintenance is provided on the side of the electric appliance chamber 804 of the box 8.

A cooling layer 805 for cooling the electric appliance chamber 804 is arranged above the electric appliance chamber 804.

The cooling layer 805 is an interlayer having a water flow passage therein, and the water flow passage is connected to the first water inlet 302 a.

The inside of the box body 8 is divided into the water storage cavity 801 and the electric appliance cavity 804, so that electric appliance elements such as the storage battery 4, the inverter 5 and the like can be placed in the electric appliance cavity 804, the electric appliance elements are protected, and the waterproof heat insulation layer arranged between the two cavities can also prevent the temperature of the water storage cavity 801 from influencing the work of the electric appliance elements. The switch door 13 is arranged on one side of the electric appliance chamber 804 and is communicated with the electric appliance chamber 804, and maintenance personnel can directly overhaul electric appliance components such as the circulating pump 6 by opening the switch door 13, so that the maintenance is convenient. And sealing strips can be arranged between the switch door 13 and the box body 8 for isolating rainwater. In order to further cool the electronic component, a cooling layer 805 is disposed at the top of the electrical chamber 804, the cooling layer 805 is connected with the first water inlet 302a of the cooling water pipe 302, when the external water source is connected, the water flow first enters the cooling layer 805 to cool the electrical component, and then enters the cooling water pipe 302 to cool the superconducting heat pipe 301.

The remaining features and operation principle of the present embodiment are the same as those of embodiment 1.

Example 3

On the basis of embodiment 2, this embodiment provides a use mode of both hot water and electricity of the device, and a heating unit connected with the storage battery 4 is arranged inside the water storage chamber 801.

Under the condition of sufficient sunlight, the photovoltaic panel 2 generates enough heat, the heat collected by the heat collector 3 is enough to raise the temperature of the water storage cavity 801, and the electric quantity and the hot water can be normally supplied, so that the device can be normally used. However, when the sunlight is insufficient and the water temperature cannot meet the use requirement, the heating unit can heat the water in the water storage cavity 801, in the heating process, the heating unit preferentially uses the electric quantity of the storage battery 4, at the moment, the equipment stops externally supplying power, when the electric quantity of the storage battery 4 is insufficient to enable the water temperature to rise to the use temperature, the heating unit is connected with external commercial power again, and the water is heated continuously, so that the supply of hot water is fully ensured.

Meanwhile, if the uninterrupted supply of hot water is required, a water storage device is also required to be arranged outside the device. Or, a plurality of devices can be connected in parallel, hot water is simultaneously supplied to the plurality of devices, and when the sunlight is insufficient and the water needs to be heated, the plurality of devices can be sequentially heated, so that the fact that one device outputs hot water is guaranteed all the time.

The remaining operation principle and operation procedure of this embodiment are identical to those of embodiment 1 or embodiment 2.

Example 4

On the basis of the embodiment 3, the embodiment provides a use mode of combined supply of hot water, heating and electricity of equipment. As in embodiment 2, the concept of uninterrupted hot water supply is consistent, when a plurality of devices are used in parallel and the hot water supply is sufficient, the plurality of devices can simultaneously supply hot water, heat and power, so that the three devices can be combined, and when the sunlight is insufficient, the power supply is stopped, and the requirements of hot water supply and heat supply are maintained.

The remaining operation principle and operation procedure of this embodiment are identical to those of embodiment 3.

It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. A photovoltaic thermoelectric storage system comprising: support (1), photovoltaic board (2) and heat collector (3), support (1) top is connected with photovoltaic board (2), photovoltaic board (2) back is connected with heat collector (3), the front of photovoltaic board (2) is to the sun face, be equipped with first water inlet (302 a) and first delivery port (302 b) on heat collector (3), a serial communication port, support (1) are connected with battery (4) and dc-to-ac converter (5), dc-to-ac converter (5) with battery (4) electricity is connected, support (1) include connecting portion (7) and box (8), box (8) pass through connecting portion (7) with photovoltaic board (2) are connected, be equipped with water storage cavity (801) in box (8), cavity (801) intercommunication have second water inlet (802) and second delivery port (803), second water inlet (802) with first delivery port (302 b) delivery port, second delivery port (803) are connected with first water inlet (803) and first pump (803) are connected.

2. The photovoltaic thermoelectric storage system of claim 1 wherein: the solar heat collector (3) comprises a superconducting heat pipe (301) connected with the back surface of the photovoltaic panel (2) and a cooling water pipe (302) abutted to the radiating end of the superconducting heat pipe (301), the superconducting heat pipe (301) is used for collecting heat of the photovoltaic panel (2) onto the cooling water pipe (302), and the first water inlet (302 a) and the first water outlet (302 b) are arranged on the cooling water pipe (302).

3. The photovoltaic thermoelectric storage system of claim 2, wherein: the back of the photovoltaic plate (2) is provided with a heat preservation and insulation layer which covers the back of the photovoltaic plate (2) and the superconducting heat pipe (301), and the surface of the box body (8) is covered with a waterproof and insulation layer.

4. A photovoltaic thermoelectric storage system according to claim 3, characterized in that: the storage battery (4) and the inverter (5) are arranged at the top of the box body (8) and are located in the coverage range of the photovoltaic panel (2).

5. The photovoltaic thermoelectric storage system of claim 2, wherein: the cooling water pipe (302) is far away from one side of the superconducting heat pipe (301) and is provided with a semiconductor thermoelectric generation sheet (9) connected with the storage battery (4), and the semiconductor thermoelectric generation sheet (9) is connected with a radiating fin (10).

6. The photovoltaic thermoelectric storage system of claim 1 wherein: the connecting part (7) comprises a mounting block (701), a connecting rod (702), bolts (703) and connecting blocks (704), wherein the plurality of mounting blocks (701) are arranged on the connecting part (7), the mounting block (701) is arranged at the top of the box body (8) and is movably connected with the connecting rods (702), the bolts (703) used for locking the connecting rods (702) are arranged on the mounting block (701), the connecting blocks (704) are hinged to the top of the connecting rods (702), and the connecting blocks (704) are connected with the photovoltaic panels (2); the second water inlet (802) is connected with the first water outlet (302 b) through a hose (11), and a fixing unit (12) for fixing the hose (11) is arranged on the connecting rod (702).

7. The photovoltaic thermoelectric storage system of claim 5 wherein: the water storage cavity (801) is internally provided with a heating unit connected with the storage battery (4).

8. The photovoltaic thermoelectric storage system of claim 7 wherein: still be equipped with electrical apparatus cavity (804) in box (8), water storage cavity (801) are located box (8) face one side facing the sun, electrical apparatus cavity (804) are located box (8) back and yin face one side just inside be equipped with battery (4) with dc-to-ac converter (5), be equipped with waterproof insulating layer between electrical apparatus cavity (804) and water storage cavity (801), box (8) electrical apparatus cavity (804) one side is equipped with switch door (13) that make equipment be convenient for overhaul.

9. The photovoltaic thermoelectric storage system of claim 8 wherein: and a cooling layer (805) for cooling the electric appliance chamber (804) is arranged above the electric appliance chamber (804).

10. The photovoltaic thermoelectric storage system of claim 9 wherein: the cooling layer (805) is an interlayer with a water flow channel inside, and the water flow channel is connected with the first water inlet (302 a).