CN218162290U

CN218162290U - Thin film battery device with rotatable self-protection function

Info

Publication number: CN218162290U
Application number: CN202221944660.1U
Authority: CN
Inventors: 李腾; 沈晓辉; 张凌宇
Original assignee: Huaneng Clean Energy Research Institute
Current assignee: Huaneng Clean Energy Research Institute
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2022-12-27
Anticipated expiration: 2032-07-26

Abstract

The utility model provides a film battery device with rotatable oneself safeguard function, become, transmission line and energy storage system including photovoltaic power generation system, rotatory braced system, basis, contravariant case. The photovoltaic power generation system adopts an advanced thin film battery for converting solar energy into electric energy for grid-connected power generation, and the rotary supporting system is used for fixedly supporting the photovoltaic power generation system and can drive the photovoltaic thin film battery to rotate. The basis plays and supports the whole rotation braced system of fixed mounting, and inverter box becomes the direct current that photovoltaic power generation system sent and becomes the alternating current and steps up, and transmission line produces the electricity with the electricity and carries to the electric wire netting end, and energy storage system stores the electricity that self film battery sent, provides the electric energy for rotation braced system, makes this set of system become "zero carbon" environmental protection system. The utility model discloses the device reduces photovoltaic power plant trouble and change frequency under adverse conditions, and it is long when having improved photovoltaic module's use, improved photovoltaic power plant economic benefits. The device is simple and convenient, and is quick and effective, reduces the operation and maintenance expenditure, removes manual operation from, reduces the labor cost, and ensures the personnel safety.

Description

Thin film battery device with rotatable self-protection function

Technical Field

The utility model belongs to photovoltaic power generation application, concretely relates to film battery device with rotatable oneself safeguard function.

Background

Currently, solar cell application technologies are classified into two main categories, namely crystalline silicon and thin film, according to the selected semiconductor material. Crystalline silicon solar cells dominate in the large-scale application and industrial production at the present stage, but have limited development due to their excessive cost. Thin film batteries have received much attention as compared to other solar cells such as crystalline silicon, and are important because of their many advantages. First of all, its temperature behavior is very good. For example, the cadmium telluride cell has very good temperature coefficient and improved temperature rise performance. In general, the conversion rate of a crystalline silicon battery decreases as the temperature increases. Secondly, the weak light is good. The thin film battery can also generate electricity in the morning and afternoon when the light is weak. And moreover, the environmental adaptability is stronger. The cost performance of the thin film battery is high, so that the cost of the thin film battery is low.

In desert regions where large-scale ground power stations in northwest China are mostly located, wind and sand are almost daily meal, and photovoltaic power stations installed in the desert regions are likely to be affected by the wind and sand. It is known that dust covers the component, which forms a shadowing phenomenon, directly leading to a reduction in the power output of the component, and that long-term adhesion of dust has a certain corrosive effect on the component. Meanwhile, the existence of dust can cause hot spots of the components, the output power of the components is further reduced, the service life of the components is even affected, the hot spot effect is irreversible for the components, and once the means without compensation is available, the components can only be replaced. Otherwise, the generated energy is influenced, and potential safety hazards are possibly brought to the power station.

At present, the conventional method is to carry out cleaning operation on site by a traditional manual mode, but the problems of maintenance personnel cost, safety and the like are also increased due to the fact that conditions are hard and requirements on cleaning conditions are high.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that exists among the prior art, the utility model provides a thin-film battery device with rotatable oneself safeguard function, the device removes manual operation from, realizes remote control full automatization flow, has guaranteed rapidity, the validity from the protection again, provides a high-efficient, safe photovoltaic module protection scheme.

In order to realize the purpose, the utility model discloses a technical scheme be: a thin film battery device with a rotatable self-protection function comprises a flexible thin film battery pack, a support plate, a rotating motor, a rotating support structure and an energy storage battery; the supporting plates comprise a first supporting plate and a second supporting plate, the first supporting plate and the second supporting plate are semi-cylindrical, the second supporting plate is a lighttight hollow cylinder, the first supporting plate, the second supporting plate and the rotary supporting structure are coaxially arranged, the width of the first supporting plate is smaller than that of the second supporting plate, and the height of the first supporting plate is smaller than that of the second supporting plate; the output shaft of the rotating motor is connected with the rotating supporting structure, the first supporting plate is connected with the rotating supporting structure, the flexible thin film battery pack is arranged on the semi-cylindrical surface of the first supporting plate in a bending mode, the rotating motor is connected with the output end of the energy storage battery, and the electric energy output end of the flexible thin film battery pack is connected with the electric energy input end of the energy storage battery.

The foundation is made of reinforced concrete, the second supporting plate is directly and fixedly connected with the foundation, and the rotating motor is installed on the foundation.

The first supporting plate is a hollow cylinder, the rotary supporting structure is of a supporting frame structure or a plate-shaped structure, and the bottom end of the rotary supporting structure is connected with an output shaft of the rotary motor.

The electric energy output end of the flexible thin film battery pack is provided with an inverter box transformer substation and is connected with a power grid through a power transmission line.

And a relay is connected between the inverter box transformer substation and the flexible thin film battery pack and is also connected with the input end of the energy storage battery.

The control signal input ends of the relay and the rotating motor are connected with the output end of the photovoltaic station control system.

The edge of the second supporting plate is provided with a brush or cleaning cotton.

The first supporting plate, the second supporting plate and the rotary supporting structure are all made of aluminum alloy sections.

The second supporting plate is also provided with a water spray opening which is communicated with a water source, and the bottom of the second supporting plate is provided with a drain hole.

The working process is as follows: and (3) a normal working power generation stage: the flexible thin film battery pack is exposed outside and is in a fully opened state, when the external weather is good, the whole device is in a normal working state, receives solar power generation, or charges an energy storage battery according to the electric energy consumption requirement;

and (3) during a severe weather stage: the unable normal work of photovoltaic power generation system stores up power battery and supplies power for rotating the motor, rotates the motor and drives rotatory bearing structure and first backup pad rotation, makes first backup pad rotation degree, and flexible film battery group openly rotates the second backup pad inboard, makes flexible film battery group surface not expose outside, realizes the self-protection purpose.

Compared with the prior art, the utility model discloses following beneficial effect has at least: the device can reduce photovoltaic power plant trouble and change the frequency under adverse conditions, and it is long when having improved photovoltaic module's use, improves photovoltaic power plant economic benefits, and simple structure can realize effectively protecting fast, adopts motor drive, helps realizing remote operation, has reduced the cost of labor, and the energy of motor is supplied with by energy storage battery, need not outside power supply, realizes "zero carbon" environmental protection.

Furthermore, the edge of the second support plate is provided with a brush or cleaning cotton, so that the flexible thin film battery component can be cleaned when the second support plate is retracted.

Furthermore, the design and construction cost is low by adopting the reinforced concrete foundation in the prior mature technology.

Drawings

Fig. 1 is a schematic view of the overall structure of the device of the present invention.

Fig. 2 is a schematic cross-sectional view of the structure of the present invention.

Fig. 3 is a schematic structural diagram of the structure of the present invention in another state.

Fig. 4 is a schematic cross-sectional view of the state shown in fig. 3.

In the attached drawing, the photovoltaic power generation system is 1, the rotary support system is 2, the foundation is 3, the inverter box is 4, the transmission line is 5, the energy storage system is 6, the thin film battery is 11, the first support plate is 211, the second support plate is 212, the rotating motor is 22, the rotary support structure is 23, the energy storage battery is 61, and the relay is 62.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "one side", "one end", "one side", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. 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 invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, 2, 3 and 4, a thin film battery device with a rotatable self-protection function includes a flexible thin film battery pack 11, a support plate 21, a rotation motor 22, a rotation support structure 23, and an energy storage battery 61; the support plate 21 comprises a first support plate 211 and a second support plate 212, the first support plate 211 and the second support plate 212 are both semi-cylindrical, the second support plate 212 is a light-tight hollow cylinder, the first support plate 211, the second support plate 212 and the rotary support structure 23 are coaxially arranged, and the first support plate 211 can rotate to the inner side of the second support plate 212 with a gap; the diameter of the first support plate 211 is smaller than that of the second support plate 212, and the height of the first support plate 211 is smaller than that of the second support plate 212; the output shaft of the rotating motor 22 is connected with the rotating support structure 23, the first support plate 211 is connected with the rotating support structure 23, the flexible thin film battery pack 11 is arranged on the semi-cylindrical surface of the first support plate 211 in a bending mode, the rotating motor 22 is connected with the output end of the energy storage battery 61, and the electric energy output end of the flexible thin film battery pack 11 is connected with the electric energy input end of the energy storage battery 61.

Referring to the attached drawing 1, the utility model provides a thin film battery device with rotatable self-protection function, including photovoltaic power generation system 1, rotatory braced system 2, basis 3, contravariant case become 4, transmission line 5 and energy storage system 6, wherein, photovoltaic power generation system 1 adopts the thin film battery to be used for turning into the electric energy and being incorporated into the power networks the electricity generation with solar energy, rotatory braced system 2 is used for the fixed braced photovoltaic power generation system and can drive the rotation of photovoltaic thin film battery; the whole rotary supporting system 2 of fixed mounting is supported to basis 3, and the inverter box becomes 4 systems and becomes the alternating current and step up with the direct current that photovoltaic power generation system 1 sent, and transmission line 5 produces the electricity with the electricity and carries to the electric wire netting end, and energy storage system 6 stores the electricity that self film battery sent, for rotary supporting system 2 provides the electric energy, makes this set of system become "zero carbon" environmental protection system.

Specifically, photovoltaic power generation system 1 power generation unit adopts flexible thin film battery group 11, flexible thin film battery group 11 crooked arrangement is on rotatory braced system 2, rotatory braced system 2 includes backup pad 21, rotate motor 22 and rotatory bearing structure 23, backup pad 21 divide into first backup pad 211 and second backup pad 212, two preceding second backup pads respectively 180 make up around forming crisscross closed rotatable form, first backup pad 211 sets up the inboard, second backup pad 212 is the outside, rotation motor 22 is installed to backup pad 21 bottom, rotation motor 22 drives first backup pad 211 through rotatory bearing structure 23 and rotates, but first backup pad 211 is rotatory around rotating under the drive of rotation motor 22, it is rotatory to second backup pad 212 rear side.

The rotary supporting structure 23 is a supporting frame structure or a plate-shaped structure, the rotary supporting structure 23 is arranged on the inner side of the first supporting plate 211, the supporting frame structure comprises a vertical rod and a plurality of horizontal connecting rods, the horizontal connecting rods are symmetrically distributed on two sides of the vertical rod, and the horizontal connecting rods are connected with the first supporting plate 211 and the vertical rod; the vertical rod is connected with an output shaft of the rotating motor 22; the plate structure is a plate, the bottom end of which is connected with the output shaft of the rotating motor 22, and the two sides of which are connected with the first supporting plate 211.

The foundation 3 is made of reinforced concrete, and a reinforced concrete pile is arranged below the foundation for fixing. The base 3 is directly fixedly connected with the second support plate 212, and the rotating motor 22 is installed on the base 3. Direct current electric energy generated by the photovoltaic power generation system 1 converges to the inverter box transformer substation 4, the direct current is converted into alternating current and is boosted, and the alternating current end of the power transmission line 5 transmits the boosted power to the power grid end.

Energy storage driving system 6 includes energy storage battery 61 and relay 62, and relay 62 connects between inverter box becomes 5 and flexible thin film battery group 11 to link to each other with energy storage battery 61 input, energy storage battery 61 output links to each other with rotary system's rotation motor 22, provides the electric energy for the motor rotates.

The working process of the device is as follows:

and (3) a normal working power generation stage: referring to the attached drawing 1, when the engineering construction is completed, the photovoltaic thin film power generation system is designed and placed according to a design drawing mode, the flexible thin film battery pack 11 is exposed outside and is in a fully opened state, when the external weather is good, the whole device is in a normal working state at the moment, solar energy can be received, the solar energy is converted into direct current through photoelectric effect, the direct current is integrated through an inverter box transformer 4 and a power transmission line 5, and the electric energy is transmitted to a power grid; or according to the electric energy consumption requirement, the relay 62 can be remotely controlled at any time to be in another working mode, so that the electricity generated by the photovoltaic panel is used for charging the energy storage battery 61.

And (3) in a severe weather stage: referring to fig. 2, in bad weather such as sand, dust, rain, snow, etc., the photovoltaic power generation system 1 cannot work normally, and at this time, the power storage battery 61 supplies power to the rotating motor 22 in the forward direction to drive the first supporting plate 211 to rotate backward, so that the first supporting plate 211 can rotate 180 degrees, the flexible thin film battery pack 11 covering the first supporting plate rotates to the back in the front direction, and the thin film surface of the whole photovoltaic power generation system 1 is not exposed, thereby achieving the self-protection purpose.

And (3) recovering the working stage: when severe weather passes, the power storage battery 61 supplies power to the rotating motor 22 in a reverse direction at the moment, and drives the first supporting plate 211 to rotate forward, so that the flexible thin film battery pack 11 covered by the first supporting plate returns to the original position, and at the moment, the photovoltaic power generation system 1 can continue to work normally.

Claims

1. A thin film battery device with a rotatable self-protection function is characterized by comprising a flexible thin film battery pack (11), a support plate (21), a rotating motor (22), a rotating support structure (23) and an energy storage battery (61); the supporting plate (21) comprises a first supporting plate (211) and a second supporting plate (212), the first supporting plate (211) and the second supporting plate (212) are semi-cylindrical, the second supporting plate (212) is a light-tight hollow cylinder, the first supporting plate (211), the second supporting plate (212) and the rotary supporting structure (23) are coaxially arranged, the width of the first supporting plate (211) is smaller than that of the second supporting plate (212), and the height of the first supporting plate (211) is smaller than that of the second supporting plate (212); an output shaft of the rotating motor (22) is connected with the rotating supporting structure (23), the first supporting plate (211) is connected with the rotating supporting structure (23), the flexible thin film battery pack (11) is arranged on the semi-cylindrical surface of the first supporting plate (211) in a bending mode, the rotating motor (22) is connected with an output end of the energy storage battery (61), and an electric energy output end of the flexible thin film battery pack (11) is connected with an electric energy input end of the energy storage battery (61).

2. The thin-film battery device with the rotatable self-protection function as claimed in claim 1, wherein the base (3) is made of reinforced concrete, the second supporting plate (212) is directly fixedly connected with the base (3), and the rotating motor (22) is mounted on the base (3).

3. The thin film battery device with the rotatable self-protection function as claimed in claim 1, wherein the first supporting plate (211) is a hollow cylinder, the rotary supporting structure (23) is a supporting frame structure or a plate-shaped structure, and the bottom end of the rotary supporting structure (23) is connected with the output shaft of the rotating motor (22).

4. The thin film battery device with the rotatable self-protection function as claimed in claim 1, wherein the power output end of the flexible thin film battery pack (11) is provided with an inverter box transformer (4) which is connected with a power grid through a power transmission line (5).

5. The thin film battery device with the rotatable self-protection function as claimed in claim 1, wherein a relay (62) is connected between the inverter box transformer (4) and the flexible thin film battery pack (11), and the relay (62) is also connected with an input end of the energy storage battery (61).

6. The thin film battery device with the rotatable self-protection function as claimed in claim 5, wherein the control signal input ends of the relay (62) and the rotating motor (22) are connected with the output end of the photovoltaic station control system.

7. The thin film battery device with the rotatable self-protection function as claimed in claim 1, wherein the edge of the second support plate (212) is provided with a brush or a cleaning cotton.

8. The thin-film battery device with rotatable self-protection function as claimed in claim 1, wherein the first support plate (211), the second support plate (212) and the rotary support structure (23), and the first support plate (211), the second support plate (212) and the rotary support structure (23) are made of aluminum alloy sections.

9. The thin-film battery device with the rotatable self-protection function as claimed in claim 1, wherein the second supporting plate (212) is further provided with a water spraying opening, the water spraying opening is communicated with a water source, and the bottom of the second supporting plate (212) is provided with a water drainage hole.