CN213395969U

CN213395969U - Integral solar photo-thermal photoelectric system

Info

Publication number: CN213395969U
Application number: CN202022306897.4U
Authority: CN
Inventors: 黄可煜; 黄克准
Original assignee: Nanning Keyu Energy Technology Co ltd
Current assignee: Guangxi Jishun Energy Technology Co ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-06-08
Anticipated expiration: 2030-10-16

Abstract

The utility model discloses an integral solar photo-thermal photoelectric system, which relates to the technical field of solar energy application, and comprises a solar heat collector, wherein one side of the solar heat collector is hinged with a photovoltaic support plate, and two surfaces of the photovoltaic support plate are both fixedly provided with solar cell panels; the periphery of the bottoms of the solar thermal collector and the photovoltaic support plate is provided with a reflecting device for reflecting sunlight to the back surfaces of the solar thermal collector and the photovoltaic support plate; the hot water outlet of the water tank is positioned on the side surface of the lower part of the water tank. The utility model discloses a photovoltaic backup pad is hard board structure, articulates the one side at solar collector and is convenient for reduce the volume when the transportation, can also play the effect of glass board above the protection solar collector. The upper surface and the lower surface of the photovoltaic supporting plate are provided with solar cell panels, the bottom surface is irradiated by the reflecting device, the light receiving area can be increased, and the generating capacity is improved. The device has the advantages of reasonable design, ingenious structure, good stability, high efficiency and convenient assembly and maintenance.

Description

Integral solar photo-thermal photoelectric system

Technical Field

The utility model relates to a solar energy application technology field, in particular to integral solar photothermal photoelectric system.

Background

With the development of solar photo-thermal technology, a solar water heater adopting a flat plate type heat collector appears, and the solar water heater adopting the structure can greatly improve the utilization efficiency of solar energy. At present, the solar water heater adopting the structure has a large number of applications in Chinese patent documents. For example, the flat-plate solar heat collector with low heat loss disclosed in CN200810018507.4, the integrated flat-plate solar heat collector disclosed in CN200910024965.3, the fully-sealed anti-freezing waterproof heat-preservation flat-plate solar heat collector disclosed in CN201210202313.6, the wall-mounted flat-plate high-efficiency solar water heater disclosed in CN200810018505.5, and the mounting structure thereof. Without doubt, as the vacuum glass tube heating type solar water heater has the defects mentioned above, it is becoming increasingly heavy and the market share of the solar water heater is increasing in recent years with respect to the vacuum tube structure. However, both solar photovoltaic modules and flat-plate solar collectors have the problem of being influenced by weather, and particularly, the requirements of people for using hot water in the weather such as rainy and snowy days without solar radiation are difficult or even impossible to meet. CN207146945U discloses an integral flat-plate solar photo-thermal photoelectric system, which comprises a flat-plate solar collector, a solar photovoltaic power generation plate, a water tank, a circulating water pump, a storage battery, an inverter and a controller; the flat-plate solar collector is provided with a tubular heat absorber, a water inlet of the tubular heat absorber is connected with the water tank through a first pipeline, and an outlet of the tubular heat exchanger is connected with the water tank through a second pipeline; the circulating water pump is arranged on the first pipeline and is electrically connected with the controller; the integrated flat-plate solar photo-thermal photoelectric system also comprises a temperature difference power generation system, wherein the temperature difference power generation system comprises a cold water circulation system, a third pipeline and a temperature difference power generation sheet, and the third pipeline is connected between the first pipeline and the second pipeline; the hot end of the thermoelectric generation piece is connected with the third pipeline, and the cold end is connected with the cold water circulating system. The solar photovoltaic power generation panel and the temperature difference power generation system can be used for converting solar photovoltaic power generation panel and the temperature difference power generation system into electric energy to be stored when light energy is sufficient, and water is heated in rainy days to be used by users. During use, the disclosed technology still has the following defects: 1. the flat-plate solar collector is of a double-sided structure, the upper surface and the lower surface are both provided with the glass cover plates and the heat absorbing plates, and only one surface of the flat-plate solar collector faces the sun during installation at ordinary times, so that the surface of the bottom back to the sun is not heated enough, and the heating efficiency of the flat-plate solar collector is influenced; 2. the hot water outlet is arranged above the side part of the water tank, so that the water tank needs to be continuously supplemented with water to ensure that the water level is higher than the hot water outlet to ensure that a user can continuously use water, but the cold water is supplemented too fast, so that the water temperature in the water tank is changed too fast, and the using effect is influenced; 3. the solar photovoltaic power generation panel and the flat plate solar heat collector form a whole, the area is large, and transportation is inconvenient.

Disclosure of Invention

In order to solve the above problem, the utility model discloses a following technical scheme realizes:

an integral solar photo-thermal photoelectric system comprises a solar thermal collector, a solar cell panel, a water tank, a cold water circulating system, a thermoelectric generation piece, a storage battery, an inverter, a controller and a circulating water pump, wherein the output end of the solar cell panel is electrically connected with the storage battery, the output end of the storage battery is electrically connected with the inverter, the output end of the inverter is electrically connected with the controller, and the controller is respectively electrically connected with the circulating water pump and valves on a pipeline; a water inlet of the solar heat collector is connected with the water tank through a first pipeline, and a circulating water pump and a first valve are arranged on the first pipeline; the water outlet of the solar heat collector is connected with the water tank through a second pipeline, and a second valve is arranged on the second pipeline; a third pipeline is communicated between the first pipeline and the second pipeline, a third valve and a fourth valve are respectively arranged at two ends of the third pipeline, a thermoelectric power generation piece is fixedly arranged on the third pipeline, one side of the thermoelectric power generation piece is fixedly connected with the cold water circulating system, and a cold water inlet is also arranged on the third pipeline;

one side of the solar heat collector is hinged with a photovoltaic support plate, and the solar cell panel is fixedly arranged on two surfaces of the photovoltaic support plate; the photovoltaic backup pad is hard board structure, articulates the one side at solar collector and is convenient for reduce the volume when the transportation, can also play the effect of protection solar collector above glass board. The upper surface and the lower surface of the photovoltaic supporting plate are provided with solar cell panels, the bottom surface is irradiated by the reflecting device, the light receiving area can be increased, and the generating capacity is improved.

The periphery of the bottoms of the solar thermal collector and the photovoltaic support plate is provided with a reflecting device for reflecting sunlight to the back surfaces of the solar thermal collector and the photovoltaic support plate;

and a hot water outlet of the water tank is positioned on the side surface of the lower part of the water tank. The hot water outlet is located on the side face of the lower portion of the water tank, the hot water outlet in the prior art can be well arranged above the side portion of the water tank, and therefore the water tank is enabled to be supplied with water continuously, the water level is higher than the hot water outlet, the user can be guaranteed to use water continuously, however, cold water is supplied too fast, the water temperature in the water tank is caused to change too fast, and the using effect is affected.

Preferably, the reflecting device comprises a bottom plate, a plurality of supporting legs are vertically welded on the bottom plate, and the solar thermal collector is fixedly arranged at the tops of the supporting legs; after the solar heat collector is lifted up by the supporting legs, the back surface of the solar heat collector is fully exposed, and the solar heat collector is convenient for the reflector to irradiate.

The solar photovoltaic solar water heater is characterized in that reflecting plates are fixedly arranged on the periphery of the bottom plate and can reflect sunlight to the back of the solar thermal collector or the back of the photovoltaic supporting plate. The reflectors are fixedly arranged on the periphery of the bottom plate, so that solar energy can be collected as much as possible, and the integrated type solar energy collecting device is convenient to move or adjust.

Preferably, the reflector has an arc-shaped structure. The arc-shaped structure can reflect at multiple angles, adapts to different sun positions, and guarantees that sunlight can irradiate the back of the solar thermal collector and the back of the photovoltaic supporting plate all the time.

Preferably, the solar thermal collector is connected with the photovoltaic support plate through a hinge, and a bracket is further arranged at the bottom of one side of the solar thermal collector and used for supporting the unfolded photovoltaic support plate. The hinge is a common part, the design cost can be reduced by adopting a traditional part, in addition, the bracket is designed for preventing the hinge from being deformed due to overlarge stress, and the shape of the bracket can be a triangular structure or a semi-circular structure, so that the hinge can play a supporting role in any word.

Preferably, four support legs are arranged and respectively correspond to four corners of the solar heat collector; the supporting legs are divided into a front group and a rear group, the front group is composed of two supporting legs with the same length, the rear group is also composed of two supporting legs with the same length, and the length of the supporting legs of the front group is smaller than that of the supporting legs of the rear group. The purpose of such structure is in order to gather sunshine better, and north-south orientation sets up when solar collector installs, and south low north is high, therefore the supporting leg of two sets of before and after also be low back height.

Preferably, the reflector is made of a bendable plate into an arc structure, and a reflective film is adhered to the inner side wall of the reflector. The flexible plate is convenient to manufacture and adjust, and the light-reflecting film is convenient to replace and maintain in the later period.

The utility model discloses a photovoltaic backup pad is hard board structure, articulates the one side at solar collector and is convenient for reduce the volume when the transportation, can also play the effect of glass board above the protection solar collector. The upper surface and the lower surface of the photovoltaic supporting plate are provided with solar cell panels, the bottom surface is irradiated by the reflecting device, the light receiving area can be increased, and the generating capacity is improved. The device has the advantages of reasonable design, ingenious structure, good stability, high efficiency and convenient assembly and maintenance.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the embodiment provided by the present invention;

fig. 2 is a schematic structural diagram of the light reflecting device, the solar thermal collector and the photovoltaic support plate according to the embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be described in detail and completely with reference to fig. 1 and 2 of the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application. Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The utility model discloses an improvement and optimization that go on the basis of the integral dull and stereotyped solar photothermal photoelectric system that CN207146945U discloses, as shown in fig. 1, including solar collector 1, solar cell panel, water tank 3, cold water circulating system 4, thermoelectric generation piece 5, battery 6, dc-to-ac converter 7, controller 8, circulating water pump 9, solar cell panel's output is connected with battery 6 electricity, and battery 6's output is connected with dc-to-ac converter 7 electricity, and dc-to-ac converter 7's output is connected with 8 electricity of controller, and controller 8 is connected with circulating water pump 9 and each valve electricity on the pipeline respectively. The water inlet of the solar heat collector 1 is connected with the water tank 3 through a first pipeline 10, and a circulating water pump 9 and a first valve 13 are arranged on the first pipeline 10. The water outlet of the solar heat collector 1 is connected with the water tank 3 through a second pipeline 11, and a second valve 14 is arranged on the second pipeline 11. A third pipeline 12 is communicated between the first pipeline 10 and the second pipeline 11, a third valve 15 and a fourth valve 16 are respectively arranged at two ends of the third pipeline 12, a thermoelectric generation piece 5 is fixedly arranged on the third pipeline 12, one side of the thermoelectric generation piece 5 is fixedly connected with the cold water circulating system 4, and a cold water inlet 17 is further arranged on the third pipeline 12. The above-mentioned all the same with prior art, can directly apply mechanically, the difference lies in:

one side of solar collector 1 articulates there is photovoltaic backup pad 2, and two faces of photovoltaic backup pad 2 are all fixed and are provided with solar cell panel. The bottom of the solar thermal collector 1 and the bottom of the photovoltaic support plate 2 are provided with light reflecting devices around for reflecting sunlight to the back surfaces of the solar thermal collector 1 and the photovoltaic support plate 2. The photovoltaic supporting plate 2 is of a hard plate structure such as an aluminum alloy plate, a plastic plate and the like, is hinged to one side of the solar heat collector 1, is convenient to reduce the size in transportation, and can also play a role in protecting a glass plate on the solar heat collector 1. The upper surface and the lower surface of the photovoltaic support plate 2 are both provided with solar cell panels, and the reflection device is used for irradiating the bottom surface, so that the light receiving area can be increased, and the generating capacity can be improved.

Further, a hot water outlet 30 of the water tank 3 is located at a lower side of the water tank 3. Hot water outlet 30 is located 3 lower part sides of water tank, just can solve prior art's hot water outlet setting in the top of water tank lateral part well, leads to like this that the water tank must have water to supply to guarantee that the water level is higher than hot water outlet just can guarantee that the user can last water, but cold water supply is too fast, will arouse the temperature change in the water tank too fast, influences the problem of result of use.

In one embodiment, the light reflecting device comprises a bottom plate 100, a plurality of supporting legs 101 are vertically welded on the bottom plate 100, and the solar heat collector 1 is fixedly arranged on the tops of the supporting legs 101. After the solar heat collector 1 is lifted up by the supporting legs 101, the back surface of the solar heat collector is fully exposed, so that the reflecting plate can conveniently irradiate. The periphery of the bottom plate 100 is fixedly provided with a light reflecting plate 102, and the light reflecting plate 102 can reflect sunlight to the back of the solar thermal collector 1 or the photovoltaic support plate 2. The reflector 102 is fixed around the base plate 100, so as to collect as much solar energy as possible and make an integrated structure for easy movement or adjustment. The reflector 102 has an arc-shaped structure. The arc-shaped structure can reflect at multiple angles, adapts to different sun positions, and guarantees that sunlight can irradiate the back of the solar thermal collector 1 and the back of the photovoltaic supporting plate 2 all the time. Solar collector 1 passes through hinge 103 and is connected with photovoltaic backup pad 2, and the bottom of solar collector 1 one side still is provided with the bracket, and this bracket is used for supporting photovoltaic backup pad 2 after the expansion. The hinge is a common part, the design cost can be reduced by adopting a traditional part, in addition, the bracket is designed for preventing the hinge from being deformed due to overlarge stress, and the shape of the bracket can be a triangular structure or a semi-circular structure, so that the hinge can play a supporting role in any word. The support legs 101 are four and respectively correspond to four corners of the solar heat collector 1. The supporting legs 101 are divided into a front group and a rear group, the front group is composed of two supporting legs 101 with the same length, the rear group is also composed of two supporting legs 101 with the same length, and the length of the supporting legs 101 of the front group is smaller than that of the supporting legs 101 of the rear group. The purpose of such a structure is to better collect sunlight, when the solar collector 1 is installed, the north and south are arranged, and the north and south are high, so that the front and rear sets of support legs 101 are also low in the front and high in the rear. The reflector 102 is made of a flexible plate and has an arc-shaped structure, and a reflective film is adhered to an inner wall of the reflector. The flexible plate is convenient to manufacture and adjust, and the light-reflecting film is convenient to replace and maintain in the later period.

The utility model discloses a photovoltaic backup pad 2 is hard board structure, articulates one side at solar collector 1 and is convenient for reduce the volume when the transportation, can also play the effect of protection solar collector 1 upper glass board. The upper surface and the lower surface of the photovoltaic support plate 2 are both provided with solar cell panels, and the reflection device is used for irradiating the bottom surface, so that the light receiving area can be increased, and the generating capacity can be improved. The device has the advantages of reasonable design, ingenious structure, good stability, high efficiency and convenient assembly and maintenance.

Claims

1. The utility model provides an integral solar photothermal photoelectric system, includes solar collector (1), solar cell panel, water tank (3), cold water circulating system (4), thermoelectric generation piece (5), battery (6), inverter (7), controller (8), circulating water pump (9), its characterized in that:

one side of the solar heat collector (1) is hinged with a photovoltaic support plate (2), and the solar cell panel is fixedly arranged on two surfaces of the photovoltaic support plate (2);

the periphery of the bottoms of the solar thermal collector (1) and the photovoltaic support plate (2) is provided with a reflecting device for reflecting sunlight to the back surfaces of the solar thermal collector (1) and the photovoltaic support plate (2);

and a hot water outlet (30) of the water tank (3) is positioned on the side surface of the lower part of the water tank (3).

2. The integrated solar photothermal optoelectronic system according to claim 1, wherein:

the reflecting device comprises a bottom plate (100), a plurality of supporting legs (101) are vertically welded on the bottom plate (100), and the solar thermal collector (1) is fixedly arranged at the tops of the supporting legs (101);

the solar photovoltaic solar energy collecting device is characterized in that reflecting plates (102) are fixedly arranged on the periphery of the bottom plate (100), and sunlight can be reflected to the back face of the solar energy heat collector (1) or the back face of the photovoltaic supporting plate (2) by the reflecting plates (102).

3. The integrated solar photothermal optoelectronic system according to claim 2, wherein:

the reflector (102) is of an arc-shaped structure.

4. The integrated solar photothermal optoelectronic system according to claim 1, wherein:

solar collector (1) pass through hinge (103) with photovoltaic backup pad (2) are connected, and the bottom of solar collector (1) one side still is provided with the bracket, and this bracket is used for supporting photovoltaic backup pad (2) after the expansion.

5. The integrated solar photothermal optoelectronic system according to claim 2, wherein:

four supporting legs (101) are arranged and respectively correspond to four corners of the solar heat collector (1); the supporting legs (101) are divided into a front group and a rear group, the front group is composed of two supporting legs (101) with the same length, the rear group is also composed of two supporting legs (101) with the same length, and the length of the supporting legs (101) of the front group is smaller than that of the supporting legs (101) of the rear group.

6. The integrated solar photothermal optoelectronic system according to claim 2, wherein:

the reflector (102) is made into an arc structure by adopting a bendable plate, and a reflective film is adhered on the inner side wall of the reflector.