Combined energy storage power supply and solar photovoltaic power generation system

Abstract

The utility model provides a combined energy storage power supply and solar photovoltaic power generation system, which comprises a solar charging box and a battery box, the solar charging box and the battery box are mutually stacked and electrically connected, the top of the solar charging box is used for being stacked and electrically connected with an electric control box, and the top of the solar charging box is used for being electrically connected with the electric control box. The electric control box is used for controlling the operation of the solar charging box and the battery box; the solar charging box is provided with the solar charging interface which is used for being externally connected with the power output end of the solar panel, so that solar power is input when illumination is sufficient and stored in the battery box. The direct current output interface is arranged on the solar charging box, the solar charging box is externally connected with solar electric equipment, then the solar charging box is externally connected with alternating current electric equipment through the alternating current output interface, and electric power is released from the battery box. According to the utility model, solar charging is realized on the stacked detachable energy storage power supply.

Description

Technical Field

[0001] The utility model relates to the technical field of energy storage equipment, and in particular to a combined energy storage power supply and solar photovoltaic power generation system. Background Art

[0002] Energy storage power supplies are devices that store electrical energy in batteries and then output it when needed. The output can be converted into various forms of electrical energy, such as direct current (DC) or alternating current (AC), and can be used in a variety of applications, including energy storage, backup energy supply, and outdoor energy supply.

[0003] To enable the combined use of batteries with varying capacities, stackable, removable energy storage power supplies have been developed. These combine the electronic control and batteries in a separate enclosure. The electronic control enclosure can be connected to external charging and discharging equipment to control the battery charge and discharge. This structure allows for the selection of battery enclosures of varying capacities, providing high flexibility.

[0004] In the prior art, solar panels are modules used to convert solar energy into electrical energy. Solar-powered devices are devices powered by solar panels, with solar streetlights being a common example. To enable solar charging in a stackable, detachable energy storage power supply, a detachable energy storage power supply that supports solar charging is needed. Utility Model Content

[0005] Therefore, it is necessary to provide a combined energy storage power supply and solar photovoltaic power generation system to solve the problem of charging solar panels with a detachable energy storage power supply.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a combined energy storage power supply and solar photovoltaic power generation system, comprising a solar charging box and a battery box, wherein the solar charging box and the battery box are stacked on each other and electrically connected, and the top of the solar charging box is used to be stacked with an electric control box and electrically connected, and the electric control box is used to obtain power from the battery box and convert the output; it also includes at least one AC output interface, which is arranged on the electric control box and is used for external AC power-consuming equipment; the solar charging box is provided with at least one solar charging interface, which is used for external connection to the power output end of the solar panel; the battery box is used to store and release electricity.

[0007] Furthermore, it also includes at least one charging interface, which is arranged on the electric control box or the solar charging box and is used for connecting to an external charging power source.

[0008] Furthermore, the electric control box is provided with at least one first handle.

[0009] Furthermore, there are two solar charging interfaces, which are respectively arranged on the same side or both sides of the solar charging box.

[0010] Furthermore, the solar charging box is provided with at least one DC output interface, which is used to connect to an external solar power device.

[0011] Furthermore, there are two DC output interfaces, which are respectively arranged on the same side or both sides of the solar charging box.

[0012] Furthermore, the solar charging box is provided with at least one second handle.

[0013] Furthermore, it also includes at least two antennas, which are arranged on the electric control box or the solar charging box, one for wirelessly transmitting the operating status of the electric control box, the solar charging box, and the battery box, and the other for connecting to the cloud platform.

[0014] Furthermore, the battery box is provided with at least one third handle.

[0015] The present invention provides a solar photovoltaic power generation system, comprising a solar panel and an energy storage power supply, wherein the energy storage power supply is the energy storage power supply described in any one of the embodiments of the present invention, and the power output end of the solar panel is connected to the solar charging interface of the energy storage power supply.

[0016] Different from the existing technology, the technical effects achieved by the above technical solution are as follows: it includes an electric control box, a solar charging box, and a battery box. The electric control box, the solar charging box, and the battery box are stacked and electrically connected to each other. The electric control box is used to obtain power from the battery box and convert the output. By providing a solar charging interface on the solar charging box, it is used to connect to the power output end of the solar panel, so that solar power can be input when there is sufficient sunlight and stored in the battery box. Through the AC output interface, it is connected to external AC power-consuming equipment and releases power from the battery box. The utility model realizes solar charging in a stackable detachable energy storage power supply. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional diagram of an energy storage structure according to an embodiment;

[0018] Figure 2 A front view of an energy storage structure according to an embodiment;

[0019] Figure 3 A three-dimensional diagram of an energy storage structure according to an embodiment;

[0020] Figure 4 A three-dimensional diagram of an energy storage structure according to an embodiment;

[0021] Figure 5A perspective view of an electric control box according to an embodiment;

[0022] Figure 6 A perspective view of a solar charging box according to an embodiment;

[0023] Figure 7 A perspective view of a solar charging box according to an embodiment;

[0024] Figure 8 A perspective view of a solar charging box according to an embodiment;

[0025] Figure 9 A front view of a solar charging box according to an embodiment;

[0026] Figure 10 A perspective view of a battery box according to an embodiment;

[0027] Figure 11 A perspective view of a battery box according to an embodiment;

[0028] Figure 12 A three-dimensional diagram of a support base according to an embodiment;

[0029] Figure 13 A three-dimensional diagram of a support base according to an embodiment.

[0030] Description of reference numerals:

[0031] Electric control box 1, AC output interface 11, charging interface 12, heat dissipation unit 13, first power switch 14, first handle 15, first groove 16,

[0032] Solar charging box 2, solar charging interface 21, DC output interface 22, second handle 23, antenna 24, indicator light 25, second power switch 26, first protrusion 27, second groove 28,

[0033] Battery box 3, third handle 31, second protrusion 32, third power switch 33,

[0034] Support base 4. DETAILED DESCRIPTION

[0035] In order to explain the technical content, structural features, achieved objectives and effects of the technical solution in detail, the following is a detailed description in conjunction with specific embodiments and accompanying drawings.

[0036] References to "embodiments" herein mean that the specific features, structures, or characteristics described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the word "embodiment" in various places in the specification does not necessarily refer to the same embodiment, nor does it particularly limit its independence or relevance to other embodiments. In principle, in this application, as long as there are no technical contradictions or conflicts, the various technical features mentioned in the embodiments can be combined in any manner to form a corresponding implementable technical solution.

[0037] Unless otherwise defined, the technical terms used herein have the same meanings as those generally understood by those skilled in the art to which this application belongs; the use of relevant terms herein is only for describing specific embodiments and is not intended to limit this application.

[0038] In the description of this application, the term "and / or" is used to describe a logical relationship between objects, indicating that three relationships can exist. For example, A and / or B means: A exists, B exists, and both A and B exist. In addition, the character " / " in this document generally indicates that the objects before and after are in a logical "or" relationship.

[0039] In this application, terms such as "first" and "second" are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual quantity, priority or sequence relationship between these entities or operations.

[0040] Without further limitations, in this application, the words "include", "comprise", "have" or other similar expressions used in the sentences are intended to cover non-exclusive inclusion. These expressions do not exclude the presence of additional elements in the process, method or product including the elements, so that the process, method or product including a series of elements may include not only those defined elements, but also other elements not explicitly listed, or elements inherent to such process, method or product.

[0041] Consistent with the understanding in the Patent Examination Guidelines, in this application, expressions such as "greater than," "less than," and "exceed" are understood to exclude the number itself; expressions such as "above," "below," and "within" are understood to include the number itself. In addition, in the description of the embodiments of this application, "multiple" means more than two (including two), and similar expressions related to "multiple" are also understood in this manner, such as "multiple groups" and "multiple times," unless otherwise clearly and specifically limited.

[0042] In the description of the embodiments of the present application, the space-related expressions used, such as "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "vertical", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate the orientation or position relationship based on the orientation or position relationship shown in the specific embodiments or drawings, and are only for the convenience of describing the specific embodiments of the present application or facilitating the reader's understanding, and do not indicate or imply that the device or component referred to must have a specific position, a specific orientation, or be constructed or operated in a specific orientation. Therefore, it should not be understood as a limitation on the embodiments of the present application.

[0043] Unless otherwise expressly specified or limited, in the description of the embodiments of the present application, the terms "installed", "connected", "connected", "fixed", "set", etc. used should be understood in a broad sense. For example, the "connection" can be a fixed connection, a detachable connection, or an integrated setting; it can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. For those skilled in the art of the present application, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0044] See also Figures 1-13 , the embodiment of the utility model provides a combined energy storage power supply and solar photovoltaic power generation system, including a solar charging box 2 and a battery box 3, the solar charging box 2 and the battery box 3 are stacked with each other and electrically connected, the top of the solar charging box 2 is used to stack with the electric control box and form an electrical connection, the electric control box 1 is used to obtain power from the battery box 3 and convert the output; it also includes at least one AC output interface 11, which is provided on the electric control box 1 and is used for external AC power equipment; the solar charging box 2 is provided with at least one solar charging interface 21, the solar charging interface 21 is used for external connection to the power output end of the solar panel; the battery box 3 is used to store and release electricity. As Figure 6 As shown in , the solar charging interface 21 can be two, respectively for the positive and negative poles of the input. In some embodiments, it can also be one, with a cable with positive and negative poles inside.

[0045] The battery box 3 contains batteries, and the electrical control box 1 is equipped with a charge-discharge inverter circuit. The battery terminals of the charge-discharge inverter circuit are connected to the solar charging box 2 via the electrical control box 1. The solar charging box 2 is then connected to the electrical connection interface of the battery box 3, thus forming an electrical connection between the electrical control box 1, the solar charging box 2, and the battery box 3. This electrical connection interface can be compared to the external interface of a chassis power supply. As shown in the figure, it can be a protrusion and a groove as the interface. For example, the electrical connection between the electrical control box 1 and the solar charging box 2 is established through the first groove 16 and the first protrusion 27, and the electrical connection between the solar charging box 2 and the battery box 3 is established through the second groove 28 and the second protrusion 32. This interface primarily connects the two ends of the battery to the solar charging box 2 and the electrical control box 1. The charge-discharge inverter circuit of the electrical control box 1 can be referenced in the applicant's previous patent application, such as Patent No. 202122770943.0, entitled "Power Supply Device with Intelligent Constant Output Power," which discloses a charge-discharge inverter circuit. The charge and discharge inverter circuit can convert the mains electricity into direct current to charge the battery, or convert the battery electricity into alternating current and output it at the AC output interface 11. The electric control box 1 can be directly and individually electrically connected to the battery box 3, and in the present utility model, it can be connected through the solar charging box 2. The solar charging box 2 is provided with a separate DC charging circuit. The DC charging circuit can refer to the patents previously applied for by the applicant, such as patent number: 202321401804.3, entitled A safe charge and discharge control circuit and its energy storage power supply, which discloses a DC charging circuit. The electric energy at the output end of the solar panel can be charged through the charging end of the DC charging and discharging circuit, and the battery connection end of the charging and discharging circuit is connected to the battery of the battery box 3 through the electrical connection interface, and then charged into the battery in the battery box 3 to achieve charging. The solar charging box can be directly and individually electrically connected to the battery box 3 for solar charging.

[0046] The specific principle is: by providing a solar charging interface 21 on the solar charging box 2 for connecting to the power output of the external solar panel, solar power is input when there is sufficient sunlight and stored in the battery box 3. This realizes solar charging in the stackable detachable energy storage power supply.

[0047] Optionally, the AC power output interface 11 may output 220V-240V, 50HZ, 110V-120V, 60HZ, or industrial three-phase AC power, etc.

[0048] In some embodiments, at least one charging port 12 is provided on the electrical control box 1 or the solar charging box 2 for connecting to an external charging power source. This configuration allows for additional power from the charging power source when battery capacity is insufficient, providing a safe and flexible solution. It also allows for direct power supply to solar-powered devices when sunlight is insufficient, ensuring their operation.

[0049] Preferably, at least one heat dissipation unit 13 is further included, which is provided on the electrical control box 1, solar charging box 2, or battery box 3. Since electronic equipment generates heat during operation, excessively high temperatures can affect the operation and service life of the equipment. Such a setting helps to reduce the temperature, ensure the operation of the equipment, and increase the service life of the equipment.

[0050] Specifically, there are two heat dissipation units 13, which are respectively arranged on both sides of the electric control box 1 or the solar charging box 2 or the battery box 3, which helps to further dissipate heat from the equipment, reduce the temperature, and increase the service life.

[0051] Specifically, the heat dissipation unit 13 includes a plurality of heat dissipation holes, which help to further dissipate heat from the device, reduce the temperature, and increase the service life.

[0052] Specifically, there are three heat dissipation holes, which help to further dissipate heat from the device, reduce the temperature, and increase the service life.

[0053] Specifically, the heat dissipation holes are strip-shaped, which helps to further dissipate heat from the device, reduce the temperature, and increase the service life.

[0054] Specifically, multiple heat dissipation holes are arranged vertically, which is more aesthetically pleasing and also helps to further dissipate heat from the device, reduce the temperature, and increase the service life.

[0055] Preferably, the electric control box 1 is provided with a first power switch 14 for controlling the switch of the electric control box 1 .

[0056] In some embodiments, the electric control box 1 is provided with at least one first handle 15 for easy transportation.

[0057] Preferably, the first handle 15 is provided on the upper portion of the electric control box 1 for easy transportation.

[0058] Preferably, the first handle 15 is provided in the middle of the upper portion of the electric control box 1 for easy transportation.

[0059] Optionally, there are two first handles 15 , which are respectively provided on both sides of the electric control box 1 for easy transportation.

[0060] Optionally, the first handles 15 are symmetrically arranged on both sides of the electric control box 1, which is not only beautiful but also convenient for carrying.

[0061] In some embodiments, there are two solar charging interfaces 21 , which are respectively provided on both sides of the solar charging box 2 , so that the power output ends of two solar panels can be directly connected to improve the efficiency of equipment use.

[0062] In some embodiments, the solar charging box is provided with at least one DC output interface 22, and the DC output interface 22 is used to connect to an external solar power device. There are two DC output interfaces 22, one for the positive pole and one for the negative pole. Or each DC output interface 22 includes a positive and a negative pole, so that there are two DC outputs. Of course, the two-way DC output can also be output through four DC output interfaces 22, including two positive poles and two negative poles. In this way, by providing a DC output interface 22 in the solar charging box 2 and connecting an external solar power device, such as a micro inverter, power output can be achieved. This can meet the use of solar power devices and realize energy storage of the battery box.

[0063] In some embodiments, two DC output interfaces 22 are provided on the side of the solar charging box 2, allowing direct connection to two external solar-powered devices to provide DC power. In some embodiments, a single device may have one DC input interface (PV input) and one DC output interface (PV output); or a single device may have two DC input interfaces (PV input) and one DC output interface (PV output).

[0064] Optionally, at least one DC power output terminal is provided on the electrical control box 1 or the solar charging box 2 for connecting to an external DC power-consuming device. This can improve the use of power and the utilization rate of solar power-consuming devices. Specifically, the DC power-consuming device can include small batteries, electronic devices, automotive batteries, industrial systems, telecommunications and data communications, household and commercial power, and even certain special applications.

[0065] Preferably, the DC output interface 22 and the solar charging interface 21 are located on both sides, which is more centralized and easier to manage, and more beautiful. In some embodiments, they can also be on the same side.

[0066] In some embodiments, the solar charging box 2 is provided with at least one second handle 23 for easy transportation.

[0067] Preferably, there are two second handles 23 , which are respectively provided on both sides of the solar charging box 2 for easy transportation.

[0068] In some embodiments, at least two antennas 24 are provided on the electrical control box 1 or the solar charging box 2. One antenna is used to wirelessly transmit the operating status of the electrical control box 1, solar charging box 2, and battery box 3. The other antenna is used to connect to the cloud platform. This configuration allows users to directly view the operating status of the electrical control box 1, solar charging box 2, and battery box 3 in real time from a mobile phone or computer, as well as the operating status of external solar-powered devices. Of course, more antennas are also possible.

[0069] Preferably, the antenna 24 is arranged on the solar charging box 2, which is more centralized, reasonable and beautiful.

[0070] Preferably, there are two antennas 24, which are respectively arranged on both sides of the solar charging box 2, which helps to improve the stability and independence of the wireless signal and ensure the normal operation of the device.

[0071] Preferably, the antenna 24 and the DC output interface 22 are located on the same side, which is more centralized and more aesthetically pleasing.

[0072] Preferably, the solar charging box 2 is provided with an indicator light 25 for displaying the charging and discharging status of the solar charging box 2 , so that the charging and discharging status of the solar charging box 2 can be seen more intuitively.

[0073] Preferably, the solar charging box 2 is provided with a second power switch 26 for controlling the power switch of the solar charging box 2 .

[0074] In some embodiments, the battery box 3 is provided with at least one third handle 31 for easy transportation.

[0075] Preferably, there are two third handles 31 , which are respectively provided on both sides of the battery box 3 for easy transportation.

[0076] Preferably, the second handle 23 and the third handle 31 are located on the same side, which is convenient for carrying and more aesthetically pleasing.

[0077] Preferably, the battery box 3 is provided with a third power switch 33 for controlling the power switch of the battery box 3 .

[0078] In some embodiments, the electric control box 1 , the solar charging box 2 , and the battery box 3 are stacked and concentrated together, which is convenient for transportation and more beautiful.

[0079] In some embodiments, the electrical control box 1, solar charging box 2, and battery box 3 are stacked together in order from top to bottom. Here, the electrical control box 1 is placed on the upper layer for easier operation; the solar charging box 2 is placed in the middle layer to facilitate the connection of wires to a certain extent and also improves the appearance.

[0080] Preferably, the lower surface of the electric control box 1 is provided with a first groove 16, and the upper surface of the solar charging box 2 is provided with a first protrusion 27. The first groove 16 and the first protrusion 27 are configured to engage with each other. This prevents the electric control box 1 and the solar charging box 2 from disengaging, i.e., limits the position of the boxes.

[0081] Preferably, the first groove 16 contains a first conductive module for positive and negative electrodes, and the first protrusion 27 contains a second conductive module for positive and negative electrodes that matches the first groove 16. The first and second conductive modules are configured to be electrically connected when the first groove 16 and the first protrusion 27 engage with each other. This arrangement reduces or even eliminates the need for wires for electrical connection between the boxes and provides a more aesthetically pleasing design.

[0082] Preferably, the lower surface of the solar charging box 2 is provided with a second groove 28, and the upper surface of the battery box 3 is provided with a second protrusion 32. The second groove 28 and the second protrusion 32 are configured to engage with each other. This prevents the solar charging box 2 and the battery box 3 from disengaging, i.e., limits the position of the boxes.

[0083] Preferably, the second groove 28 contains a third conductive module for positive and negative electrodes, and the second protrusion 32 contains a fourth conductive module for positive and negative electrodes that matches the second groove 28. The third and fourth conductive modules are configured to electrically connect when the second groove 28 and the second protrusion 32 engage with each other. This arrangement reduces or even eliminates the need for wires for electrical connection between the boxes and provides a more aesthetically pleasing design.

[0084] Preferably, the lower surface of the electrical control box 1 is provided with a plurality of third grooves, and the upper surface of the solar charging box 2 is provided with a plurality of third protrusions. The number of the third grooves and the number of the third protrusions are equal, and the third grooves and the third protrusions are configured to engage with each other. This arrangement facilitates the positioning and limiting of the electrical control box 1 and the solar charging box 2 when stacked during installation, preventing them from separating and making the stack more stable.

[0085] Preferably, there are four third grooves, which are distributed around the lower surface of the electric control box 1; there are also four third protrusions, which are distributed on the upper surface of the solar charging box 2. This arrangement makes the limit more secure and not easy to fall off.

[0086] Preferably, the lower surface of the solar charging box 2 is provided with a plurality of fourth grooves, and the upper surface of the battery box 3 is provided with a plurality of fourth protrusions. The fourth grooves and protrusions are provided in equal numbers, and the fourth grooves and protrusions are configured to engage with each other. This arrangement facilitates the positioning and limiting of the solar charging box 2 and the battery box 3 when stacked, preventing them from separating, and making the stack more stable.

[0087] Preferably, there are four fourth grooves, which are distributed around the lower surface of the solar charging box 2; there are also four fourth protrusions, which are distributed on the upper surface of the battery box 3. This arrangement makes the limit more secure and not easy to fall off.

[0088] Preferably, a support base 4 is further included, which is arranged at the bottom of the three boxes of the electric control box 1, the solar charging box 2, and the battery box 3 to support the upper boxes; specifically, the support base 4 is arranged below the battery box 3. This arrangement helps protect the boxes and prevents them from touching the ground and being damaged.

[0089] Optionally, the electrical control box 1, solar charging box 2, and battery box 3 can be cylindrical, cube, cuboid, pentagonal, and so on. The cylindrical structure is a three-dimensional structure with a circular cross-section, and can also have other polygonal cross-sections such as triangles, quadrilaterals, or the like. As long as these structures can be stacked on top of each other, different structures can be used in different scenarios, such as narrow spaces, smooth spaces, and spaces that require rotation.

[0090] The present invention provides a solar photovoltaic power generation system comprising a solar panel and an energy storage power supply, wherein the energy storage power supply is the energy storage power supply described in any one of the embodiments of the present invention, and the power output end of the solar panel is connected to the solar charging port of the energy storage power supply. The solar photovoltaic power generation system of this embodiment can realize both the detachable energy storage power supply and the solar charging function.

[0091] It should be noted that although the above embodiments have been described herein, this does not limit the scope of patent protection of the present utility model. Therefore, based on the innovative concept of the present utility model, changes and modifications to the embodiments described herein, or equivalent structural or process transformations made using the contents of the present utility model specification and drawings, and direct or indirect application of the above technical solutions to other related technical fields are all included in the scope of protection of the present utility model patent.

Claims

1. A combined energy storage power supply, characterized in that: It includes a solar charging box and a battery box. The solar charging box and the battery box are stacked on each other and electrically connected. The top of the solar charging box is used to stack with an electric control box and electrically connect. The electric control box is used to obtain power from the battery box and convert the output. It also includes at least one AC output interface, which is arranged on the electric control box and is used to connect to external AC power-consuming equipment. The solar charging box is provided with at least one solar charging interface, which is used to connect to the power output end of an external solar panel. The battery box is used to store and release electricity.

2. The combined energy storage power supply according to claim 1, characterized in that: It also includes at least one charging interface, which is arranged on the electric control box and is used for connecting to an external charging power source.

3. The combined energy storage power supply according to claim 1, characterized in that: The electric control box is provided with at least one first handle.

4. The combined energy storage power supply according to claim 1, characterized in that: There are two solar charging interfaces, which are respectively arranged on the same side or both sides of the solar charging box.

5. The combined energy storage power supply according to claim 1, characterized in that: The solar charging box is provided with at least one DC output interface, and the DC output interface is used for connecting to an external solar power device.

6. The combined energy storage power supply according to claim 5, characterized in that: There are two DC output interfaces, which are respectively arranged on the same side or both sides of the solar charging box.

7. The combined energy storage power supply according to claim 1, characterized in that: The solar charging box is provided with at least one second handle.

8. The combined energy storage power supply according to claim 1, characterized in that: It also includes at least two antennas, which are arranged on the electric control box or the solar charging box, one for wirelessly transmitting the operating status of the electric control box, the solar charging box, and the battery box, and the other for connecting to the cloud platform.

9. The combined energy storage power supply according to claim 1, characterized in that: The battery box is provided with at least one third handle.

10. A solar photovoltaic power generation system, characterized by: It comprises a solar panel and an energy storage power supply, wherein the energy storage power supply is the energy storage power supply according to any one of claims 1 to 9, and the power output end of the solar panel is connected to the solar charging interface of the energy storage power supply.

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