CN218734072U

CN218734072U - Photovoltaic power distribution energy storage device

Info

Publication number: CN218734072U
Application number: CN202223133881.3U
Authority: CN
Inventors: 吴琨; 刘阳; 钟灼灼; 张明丽; 谭泳玲
Original assignee: Dongfang Electric Chengdu Engineering Design Consulting Co ltd
Current assignee: Dongfang Electric Chengdu Engineering Design Consulting Co ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-03-24
Anticipated expiration: 2032-11-24

Abstract

The application discloses photovoltaic distribution energy memory relates to distribution energy storage technical field for solve among the prior art immovable photovoltaic board and can not effectually shelter from sunshine to the battery that is located the case and becomes, thereby influence battery life's technical problem. The device comprises a prefabricated cabin, a bracket assembly and an angle adjusting assembly; the bracket assembly is arranged on the top surface of the prefabricated cabin; the angle adjusting assembly is installed on the support assembly and used for adjusting the installation angle of the photovoltaic panel. Through above-mentioned technical scheme, because along with the change of sunlight irradiation angle, can adjust the installation angle of photovoltaic board through angle adjusting part, consequently the photovoltaic board can more effectually shelter from sunshine to the battery that is located prefabricated under-deck to can reduce the inhomogeneous degree that the battery is heated, and then can effectual improvement battery's life.

Description

Photovoltaic power distribution energy storage device

Technical Field

The application relates to the technical field of power distribution and energy storage, in particular to a photovoltaic power distribution and energy storage device.

Background

Under the global carbon neutralization target, clean energy will replace fossil energy step by step, new forms of energy installed capacity is continuously increased, and considering that new forms of energy electricity generation has the problem of instability, randomness, intermittent type nature, the energy storage will become an important ring in novel power system, for better energy storage, needs to use corresponding energy memory.

The energy storage device in the prior art comprises a grid-connected system, an energy storage system and a photovoltaic power generation system which are connected in parallel; the photovoltaic power generation system comprises a photovoltaic panel and a photovoltaic controller, the photovoltaic panel is installed on the outer side of the top end of the box transformer substation, and the photovoltaic controller controls the photovoltaic panel to generate direct current to supply electricity to an electric appliance of the box transformer substation; the grid-connected system comprises a box transformer low-voltage grid-connected end, a bidirectional metering meter and a rectifying inverter and is used for receiving inversion transmission of the photovoltaic power generation system, and the energy storage system comprises an energy storage battery pack and a temperature control switch and is used for storing energy. The battery has high temperature sensitivity, so the photovoltaic panel can also shield the battery in the box transformer from sunlight, thereby reducing the temperature of the battery.

However, in the prior art, the photovoltaic panels installed on the box transformer substation are fixed differently, and the irradiation direction of sunlight is changed, so that the fixed photovoltaic panels cannot effectively shield the battery in the box transformer substation from sunlight, and the service life of the battery is affected.

SUMMERY OF THE UTILITY MODEL

The utility model provides a main aim at provides a photovoltaic distribution energy memory aims at solving among the prior art immovable photovoltaic board and can not effectually shelter from sunshine to the battery that is located the case and becomes to influence battery life's technical problem.

In order to achieve the above object, the present application provides a photovoltaic power distribution energy storage device, including: prefabricating a cabin;

the bracket assembly is mounted on the top surface of the prefabricated cabin;

the angle adjusting assembly is installed on the support assembly and used for adjusting the installation angle of the photovoltaic panel.

Optionally, the bracket assembly comprises two sets of bracket units, and the angle adjusting assembly is mounted between the two sets of bracket units.

Optionally, every group the support unit includes two foot chains that relative setting, two all articulated on the foot chain have the inclined supporting plate that the slope set up, two the inclined supporting plate is crossing and forms the intersection, angle adjusting part installs two of two sets of support unit between the intersection.

Optionally, the angle adjusting assembly comprises a driving part, a driven part and a channel steel;

the driving part is arranged on one group of the bracket units, the driven part is arranged on the other group of the bracket units, and the driving part is provided with a rotating motor;

the channel-section steel is installed the drive spare with between the follower, the photovoltaic board is installed on the channel-section steel.

Optionally, the driving part comprises a driving shaft and a driving connecting plate which are connected with each other, and the driven part comprises a driven shaft and a driven connecting plate which are connected with each other;

the driving shaft is mounted on one group of the support units through a bearing, and the driven shaft is mounted on the other group of the support units through a bearing;

the channel steel is installed between the driving connecting plate and the driven connecting plate, and a motor shaft of the rotating motor is connected with the driving shaft.

Optionally, shaped steel is installed to the top surface of channel-section steel, the top surface of shaped steel is installed and is fixed briquetting, the photovoltaic board is installed on fixed briquetting.

Optionally, the number of shaped steel is a plurality of, photovoltaic board is installed between two adjacent shaped steel.

Optionally, the section steel is mounted on the top surface of the channel steel through a bolt, and the bolt is fixed with the channel steel through a nut.

Optionally, the solar water heater further comprises a distribution box, a refrigeration dehumidifier and a photovoltaic inverter which are electrically connected with each other;

the photovoltaic inverter is electrically connected with the photovoltaic panel and is used for converting electric energy of the photovoltaic panel and then sending the electric energy to the distribution box;

the refrigeration dehumidifier is used for reducing the temperature and the humidity in the prefabricated cabin;

the distribution box is used for supplying power to the refrigeration type dehumidifier and the photovoltaic inverter.

Optionally, the refrigeration dehumidifier further comprises an environment monitoring device and a heat dissipation air conditioner, wherein the environment monitoring device is electrically connected with the distribution box, the heat dissipation air conditioner and the refrigeration dehumidifier;

the environment monitoring device is used for monitoring the temperature and the humidity in the prefabricated cabin and controlling the heat dissipation air conditioner and the refrigeration type dehumidifier based on the temperature and the humidity in the prefabricated cabin.

Through above-mentioned technical scheme, the beneficial effect that this application can realize at least is as follows:

the photovoltaic power distribution energy storage device comprises a prefabricated cabin, a support assembly and an angle adjusting assembly; the bracket assembly is arranged on the top surface of the prefabricated cabin; the angle adjusting assembly is installed on the support assembly and used for adjusting the installation angle of the photovoltaic panel.

That is, when sunlight shines on the photovoltaic panel, the photovoltaic panel converts solar energy into electric energy and stores on the one hand, and on the other hand the photovoltaic panel can produce the shadow area on prefabricated cabin, and the shadow area that produces can shelter from sunshine to the battery that is located prefabricated cabin. When the irradiation light of the sun changes, the area and the position of the shadow generated by the photovoltaic panel on the prefabricated cabin change, and at the moment, the effect of the photovoltaic panel on the battery in the prefabricated cabin for shielding sunlight may be deteriorated. At the moment, the photovoltaic panel can be driven to swing by a certain installation angle through the angle adjusting assembly, and when the installation angle of the photovoltaic panel is changed, the shadow area and the position of the photovoltaic panel on the top surface of the prefabricated cabin can be changed along with the change of the solar rays. Namely, because along with the change of sunlight irradiation angle, can adjust the installation angle of photovoltaic board through angle adjusting part, consequently the photovoltaic board can more effectually shelter from sunshine to the battery that is located prefabricated under-deck to can reduce the inhomogeneous degree that the battery is heated, and then can effectual improvement battery's life.

Drawings

In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings that are required in the detailed description of the present application or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic front structural diagram of a photovoltaic power distribution energy storage device provided in this embodiment;

fig. 2 is a schematic structural diagram of the photovoltaic panel provided by the embodiment installed on the top surface of the prefabricated cabin;

FIG. 3 is a schematic side view of the photovoltaic panel provided in this embodiment installed on the top surface of a prefabricated cabin;

FIG. 4 is a schematic top view of the photovoltaic panel provided in this embodiment installed on the top surface of the prefabricated cabin;

FIG. 5 is a front view of the bracket assembly of this embodiment;

fig. 6 is a schematic front partial structure diagram of the driven member according to this embodiment;

fig. 7 is a schematic front partial structure diagram of the active component according to this embodiment.

Reference numerals: 1. a refrigeration type dehumidifier; 2. prefabricating a cabin; 3. a bracket assembly; 31. a foot link; 32. a diagonal bracing plate; 4. an angle adjustment assembly; 41. a driven connecting plate; 42. a driven shaft; 43. a bolt; 44. section steel; 45. fixing a pressing block; 46. a rotating electric machine; 47. a drive shaft; 48. an active connecting plate; 49. channel steel; 5. a photovoltaic panel; 6. an inverter; 7. an environmental monitoring device; 8. a distribution box.

The implementation, functional features and advantages of the objectives of the present application will be further explained with reference to the accompanying drawings.

Detailed Description

In this application, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. 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 addition, if there is a description of "first", "second", etc. in the embodiments of the present application, the description of "first", "second", etc. is for descriptive purposes only and is 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 at least one of the feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.

In order to solve the above technical problems, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only a part of the embodiments of the present application, and not all embodiments.

As shown in fig. 1 to 4, the present embodiment provides a photovoltaic power distribution energy storage device, which includes a prefabricated cabin 2, a bracket assembly 3 and an angle adjustment assembly 4; the bracket assembly 3 is installed on the top surface of the prefabricated cabin 2; the angle adjusting component 4 is installed on the support component 3, and the angle adjusting component 4 is used for adjusting the installation angle of the photovoltaic panel 5.

In this embodiment, the electrochemical performance of the battery is sensitive to temperature, and at high temperature, the resistance of the current is much lower, but if the whole battery is heated unevenly, the performance and the service life of the battery are seriously affected. Therefore, in order to provide the service life and performance of the battery, the prefabricated cabin type energy storage all-in-one machine begins to popularize a water cooling and heat dissipation mode. However, in addition to high process requirements (liquid risks short circuit of battery pack), the load of a cooling conversion heat dissipation fan is large, and in order to reduce the load and improve the heat dissipation efficiency, the photovoltaic panel 5 mounted on the top surface of the prefabricated cabin 2 is used for shielding the cells mounted in the prefabricated cabin 2 from irradiation.

When sunlight irradiates on the photovoltaic panel 5, the photovoltaic panel 5 converts solar energy into electric energy and stores the electric energy on the one hand, and on the other hand, the photovoltaic panel 5 can generate a shadow area on the prefabricated cabin 2, and the generated shadow area can shade the battery in the prefabricated cabin 2 from sunlight. When the irradiation light of the sun changes, the area and the position of the shadow generated by the photovoltaic panel 5 on the prefabricated cabin 2 change, and at this time, the effect of the photovoltaic panel 5 on the battery in the prefabricated cabin 2 for shielding sunlight may be deteriorated. At this moment, can drive photovoltaic board 5 through angle adjusting component 4 and swing certain installation angle, when the installation angle of photovoltaic board 5 changed, the shadow area and the position that photovoltaic board 5 produced at prefabricated cabin 2 top surface can change along with the change of sunshine. That is, because along with the change of sunlight irradiation angle, can adjust the installation angle of photovoltaic board 5 through angle adjusting component 4, consequently photovoltaic board 5 can more effectually shelter from sunshine to the battery that is located prefabricated cabin 2 to can reduce the inhomogeneous degree that the battery is heated, and then can effectual improvement battery's life.

In some embodiments, as shown in fig. 2-5, a preferred configuration of the carriage assembly 3 is given by: the bracket assembly 3 comprises two groups of bracket units, and the angle adjusting assembly 4 is arranged between the two groups of bracket units; every group the support unit includes two foot chains 31 of relative setting, two all articulated the inclined supporting plate 32 that has the slope to set up on the foot chain 31, two inclined supporting plate 32 intersects and forms the intersection, angle adjusting part 4 is installed two sets of two of support unit between the intersection.

In this embodiment, two sets of support units are oppositely disposed on the top surface of the prefabricated cabin 2, each set of support unit includes two oppositely disposed foot chains 31, the two foot chains 31 are hinged to the top surface of the prefabricated cabin 2, the two foot chains 31 are respectively hinged to an inclined supporting plate 32, the two inclined supporting plates 32 intersect and form an intersection point, so that there are four foot chains 31, four inclined supporting plates 32 and two intersection points. The support unit of structure like this, foot chain 31 and inclined supporting plate 32 all can manually be adjusted, for example change two relative inclined supporting plate 32's inclination, can change the position height of intersect to can adjust the height of whole bracket component 3, finally change whole energy memory's focus, thereby can be convenient for this energy memory's installation and transportation.

In some embodiments, a preferred configuration of the angle adjustment assembly 4 is given by: as shown in fig. 2 to 6, the angle adjustment assembly 4 includes a driving member, a driven member, and a channel steel 49; the driving part is arranged on one group of the support units, the driven part is arranged on the other group of the support units, and the driving part is provided with a rotating motor 46; the channel steel 49 is arranged between the driving part and the driven part, and the photovoltaic panel 5 is arranged on the channel steel 49; the driving part comprises a driving shaft 47 and a driving connecting plate 48 which are connected with each other, and the driven part comprises a driven shaft 42 and a driven connecting plate 41 which are connected with each other; the driving shaft 47 is mounted on one group of the support units through a bearing, and the driven shaft 42 is mounted on the other group of the support units through a bearing; the channel steel 49 is installed between the driving connecting plate 48 and the driven connecting plate 41, and a motor shaft of the rotating motor 46 is connected with the driving shaft 47.

In this embodiment, the rotating electrical machine 46 is a conventional electrical machine, and the circuit connection, the installation manner, the control manner, the operation principle, and the like thereof are known to those skilled in the art. When the installation angle of photovoltaic board 5 needs to be adjusted, for the installation of rotating electrical machines 46 circular telegram, driving shaft 47 is driven in proper order after the circular telegram of rotating electrical machines 46, initiative connecting plate 48 and channel-section steel 49 rotate, channel-section steel 49 rotates and drives photovoltaic board 5 and rotate again, its installation angle can be adjusted in photovoltaic board 5 rotation, the installation angle of photovoltaic board 5 is adjusted the back, can adjust the angle of shining on photovoltaic board 5 with the sunlight, when the angle of shining of sunlight on photovoltaic board 5 changes, can change the shadow area and the shadow position of photovoltaic board 5 on prefabricated cabin 2, thereby can be better shelter from sunshine to the battery that is located prefabricated cabin 2.

For better installation of the photovoltaic panel 5, in some embodiments, as shown in fig. 2 and 6-7, the following solutions are given: shaped steel 44 is installed to the top surface of channel-section steel 49, fixed briquetting 45 is installed to the top surface of shaped steel 44, photovoltaic board 5 is installed on fixed briquetting 45.

In this embodiment, shaped steel 44 passes through bolt 43 and installs the top surface at channel-section steel 49, and bolt 43 passes through the nut and is fixed with channel-section steel 49, the installation shaped steel 44 of being more convenient for like this, at the top surface installation fixed pressing block 45 of shaped steel 44, fixed pressing block 45 can increase with photovoltaic board 5 within a definite time area of contact, photovoltaic board 5 is installed on fixed pressing block 45 through conventional mode, the photovoltaic board 5 of being more convenient for like this has been installed.

In some embodiments, as shown in fig. 2 and 6 to 7, the number of the steel profiles 44 is plural, and the photovoltaic panel 5 is installed between two adjacent steel profiles 44.

In this embodiment, the quantity of shaped steel 44 is a plurality of, has an installation photovoltaic board 5's position between adjacent shaped steel 44, just so has a plurality of photovoltaic boards 5 of simultaneous installation, and an angle adjusting component 4 can drive a plurality of photovoltaic boards 5 simultaneously and rotate to can improve the utilization ratio to solar energy, also can increase the shadow area to prefabricated cabin 2 simultaneously, and then can carry out better shading sunlight to the battery.

In order to further improve the service life of the battery, in some embodiments, as shown in fig. 1, the system further includes a distribution box 8, a refrigeration dehumidifier 1 and a photovoltaic inverter 6, which are electrically connected to each other; the photovoltaic inverter 6 is electrically connected with the photovoltaic panel 5, and the photovoltaic inverter 6 is used for converting the electric energy of the photovoltaic panel 5 and then sending the electric energy to the distribution box 8; the refrigeration dehumidifier 1 is used for reducing the temperature and humidity in the prefabricated cabin 2; and the distribution box 8 is used for supplying power to the refrigeration dehumidifier 1 and the photovoltaic inverter 6.

In this embodiment, photovoltaic board 5 connects in series through DC cable after, inserts 1 group's series inverter 6 of 6kW, and when the sun came out, the block terminal 8 of prefabricated cabin 2 is sent to after the electric energy that photovoltaic board 5 sent passes through inverter 6 conversion 380V alternating current, can effectually reduce the self-power consumption electric load of block terminal 8 in prefabricated cabin 2 like this to reduce the self-power consumption of whole prefabricated cabin formula energy storage all-in-one. The refrigeration dehumidifier 1 is powered by a distribution box 8 in the prefabricated cabin 2, under the high-humidity environment, moisture molecules in the air reduce the temperature of a surface cooler to be below the dew point temperature of the air under the cooling effect of a semiconductor cooler, a fan pumps moist air into the dehumidifier to exchange heat with the semiconductor cooler, the moisture in the moist air is condensed into water drops to be discharged out of the dehumidifier or a water tank contained in the dehumidifier, and dry air is generated to be discharged into a room, so that the indoor humidity is reduced by circulation, and the humidity in the prefabricated cabin 2 is reduced while the temperature in the prefabricated cabin is reduced. Meanwhile, after being filtered, the condensed water of the refrigeration type dehumidifier 1 can be used for cooling or heat exchange of the electrochemical battery in the prefabricated cabin 2, so that the heat dissipation efficiency in the prefabricated cabin 2 is further improved, the battery can be heated more uniformly, and the service life of the battery can be prolonged.

In order to further prolong the service life of the battery, in some embodiments, as shown in fig. 1, the dehumidifier further includes an environment monitoring device 7 and a heat dissipation air conditioner, wherein the environment monitoring device 7 is electrically connected to the distribution box 8, the heat dissipation air conditioner and the refrigeration dehumidifier 1; the environment monitoring device 7 is used for monitoring the temperature and the humidity in the prefabricated cabin 2 and controlling the heat dissipation air conditioner and the refrigeration type dehumidifier 1 based on the temperature and the humidity in the prefabricated cabin 2.

In this embodiment, the environment monitoring device 7 is a conventional device, the environment monitoring device 7 can detect the temperature and humidity in the prefabricated cabin 2 in real time, and when the temperature and humidity in the prefabricated cabin 2 need to be adjusted, the heat dissipation air conditioner and the refrigeration type dehumidifier 1 are controlled to adjust the temperature and humidity in the prefabricated cabin 2. Therefore, the environment monitoring device 7 is arranged in the prefabricated cabin 2, so that the temperature and the humidity of the battery can be adjusted in real time conveniently, and the service life of the battery can be further prolonged.

The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application, or which are directly or indirectly applied to other related technical fields, are included in the scope of the present application.

Claims

1. A photovoltaic power distribution energy storage device, comprising:

a prefabricated cabin (2);

the bracket component (3), the bracket component (3) is installed on the top surface of the prefabricated cabin (2);

the angle adjusting assembly (4), install angle adjusting assembly (4) on bracket component (3), angle adjusting assembly (4) are used for adjusting the installation angle of photovoltaic board (5).

2. The photovoltaic power distribution and energy storage device according to claim 1, wherein the bracket assembly (3) comprises two sets of bracket units, and the angle adjustment assembly (4) is installed between the two sets of bracket units.

3. The photovoltaic power distribution and energy storage device according to claim 2, wherein each group of said support units comprises two oppositely arranged foot chains (31), two obliquely arranged inclined supporting plates (32) are hinged on each of the two foot chains (31), the two inclined supporting plates (32) intersect and form an intersection point, and the angle adjusting assembly (4) is installed between the two intersection points of the two groups of said support units.

4. The photovoltaic power distribution and storage device according to claim 2, wherein the angle adjustment assembly (4) comprises a driving member, a driven member and a channel steel (49);

the driving part is arranged on one group of the support units, the driven part is arranged on the other group of the support units, and the driving part is provided with a rotating motor (46);

the channel steel (49) is installed between the driving piece and the driven piece, and the photovoltaic panel (5) is installed on the channel steel (49).

5. The photovoltaic power distribution energy storage device according to claim 4, wherein the driving member comprises a driving shaft (47) and a driving connecting plate (48) which are connected with each other, and the driven member comprises a driven shaft (42) and a driven connecting plate (41) which are connected with each other;

the driving shaft (47) is mounted on one group of the support units through a bearing, and the driven shaft (42) is mounted on the other group of the support units through a bearing;

the channel steel (49) is installed between the driving connecting plate (48) and the driven connecting plate (41), and a motor shaft of the rotating motor (46) is connected with the driving shaft (47).

6. The photovoltaic power distribution and energy storage device according to claim 4, wherein a section steel (44) is mounted on the top surface of the channel steel (49), a fixed pressing block (45) is mounted on the top surface of the section steel (44), and the photovoltaic panel (5) is mounted on the fixed pressing block (45).

7. The photovoltaic power distribution and energy storage device according to claim 6, characterized in that the number of the section steel (44) is plural, and the photovoltaic panel (5) is installed between two adjacent section steel (44).

8. The photovoltaic power distribution and energy storage device according to claim 6, wherein the section steel (44) is mounted on the top surface of the channel steel (49) through a bolt (43), and the bolt (43) is fixed with the channel steel (49) through a nut.

9. The photovoltaic power distribution and energy storage device according to claim 1, further comprising a power distribution box (8), a refrigeration dehumidifier (1) and a photovoltaic inverter (6) which are electrically connected with each other;

the photovoltaic inverter (6) is electrically connected with the photovoltaic panel (5), and the photovoltaic inverter (6) is used for converting the electric energy of the photovoltaic panel (5) and then sending the electric energy to the distribution box (8);

the refrigeration dehumidifier (1) is used for reducing the temperature and the humidity in the prefabricated cabin (2);

and the distribution box (8) is used for supplying power to the refrigeration type dehumidifier (1) and the photovoltaic inverter (6).

10. The photovoltaic power distribution and energy storage device according to claim 9, further comprising an environment monitoring device (7) and a heat dissipation air conditioner, wherein the environment monitoring device (7) is electrically connected with the distribution box (8), the heat dissipation air conditioner and the refrigeration dehumidifier (1);

the environment monitoring device (7) is used for monitoring the temperature and the humidity in the prefabricated cabin (2) and controlling the heat dissipation air conditioner and the refrigeration type dehumidifier (1) based on the temperature and the humidity in the prefabricated cabin (2).