CN219458701U

CN219458701U - Energy storage power supply

Info

Publication number: CN219458701U
Application number: CN202320138841.3U
Authority: CN
Inventors: 王红军; 姚松; 常海波; 王文; 谢金鑫; 程洪涛
Original assignee: Shenzhen Victpower Technology Co ltd
Current assignee: Shenzhen Victpower Technology Co ltd
Priority date: 2023-01-12
Filing date: 2023-01-12
Publication date: 2023-08-01
Anticipated expiration: 2033-01-12

Abstract

The utility model discloses an energy storage power supply, which comprises a control box and a power supply module, wherein a first cavity is formed in the control box, an inverter and a BCMU main control module are arranged in the first cavity, and the BCMU main control module is electrically connected with the inverter; the power supply modules are arranged in a plurality, the power supply modules are connected in parallel to form a power supply module, the power supply module is arranged on one side, close to the ground, of the control box, two adjacent power supply modules are detachably connected, and the BCMU main control module and the inverter are connected in series with the power supply module. The utility model provides an energy storage power supply has solved current energy storage power supply and can't carry out the dilatation, the shorter problem of duration.

Description

Energy storage power supply

Technical Field

The utility model relates to the technical field of electric energy, in particular to an energy storage power supply.

Background

With the rapid development of the energy storage power supply technology, the characteristics of instant power generation and instant use of the original power demand are broken through, and the energy storage power supply has the characteristics of high compatibility and capability of meeting the power supply demands of various different types of equipment, so that the energy storage power supply can be suitable for various application fields. The energy storage power supply is used as a voltage conversion and storage device widely used in the field, for example, the energy storage power supply can be used for supplying power to ensure emergency illumination, and the energy storage power supply can be used for weakening the power consumption of the power consumption peak period, so that power consumption guarantee and the like are provided for household users.

The existing energy storage power supply basically has fixed capacity, usually has fixed output power, can only be used in a certain power range, has shorter service time and endurance time, can not be expanded according to the needs in the actual application process, and brings inconvenience to users.

Disclosure of Invention

The utility model mainly aims to provide an energy storage power supply, which aims to solve the problems that the existing energy storage power supply cannot expand capacity and has short endurance time.

In order to achieve the above object, the present utility model provides an energy storage power supply, comprising:

the control box is internally provided with a first cavity, an inverter and a BCMU main control module are arranged in the first cavity, and the BCMU main control module is electrically connected with the inverter; and

the power supply module is provided with a plurality of power supply modules, the power supply modules are connected in parallel to form a power supply module, the power supply module is arranged on one side, close to the ground, of the control box, two adjacent power supply modules are detachably connected, and the BCMU main control module and the inverter are connected in series with the power supply module.

Optionally, each power module comprises a plurality of series-connected battery cells, and two adjacent battery cells in the power module are connected in series through connecting sheets.

Optionally, a plurality of the electric cores in each power supply module are fixedly connected through fixing strips; and/or, the outer part of each battery cell is wrapped with a plurality of layers of PVC sleeves.

Optionally, a first discharging terminal is arranged on the inverter and is electrically connected with the inverter, a second discharging terminal is arranged on each power module, and the second discharging terminals are electrically connected with the power modules;

the power supply modules are connected in parallel through the second discharge terminals, and the power supply modules after being connected in parallel are connected in series with the second discharge terminals through the first discharge terminals.

Optionally, the energy storage power supply further comprises an MCU circuit control board, wherein the MCU circuit control board is arranged on one side of the power supply module, and the power supply module and the BCMU master control module are respectively and electrically connected with the MCU circuit control board; and/or, the energy storage power supply further comprises a protection plate, and the power supply module and the second discharging terminal are respectively and electrically connected with the protection plate.

Optionally, an AC output port and an AC input port are arranged on the control box, and an output end of the inverter extends to protrude from the AC output port, and an external power supply passes through the AC input port and is electrically connected with the BCMU main control module; and/or a display screen is arranged on the outer surface of the control box, and the display screen is electrically connected with the inverter.

Optionally, the energy storage power supply further comprises a plurality of power supply boxes, and the number of the power supply boxes is consistent with that of the power supply modules;

wherein, every the power supply box is inside to form the second cavity, every power module is located respectively in every in the second cavity, just a plurality of power supply boxes pile up in proper order, and set up in the control box is close to one side on ground.

Optionally, a communication interface is further arranged on the power supply box, and the communication interface is electrically connected with the power supply module; and/or, the power supply box is also provided with a power supply indicator lamp, and the power supply indicator lamp is arranged on the outer surface of one side wall of the power supply box and is electrically connected with the power supply module; and/or, still be equipped with the installation lower margin on the power supply box, the installation lower margin is located the bottom of power supply box, and towards the second cavity protrusion is in order to with the power module is fixed.

Optionally, a handle is arranged on the control box, and the handle is arranged on the outer surface of the side wall of the control box; and/or the power supply box is provided with a handle, and the handle is arranged on the outer surface of the side wall of the power supply box.

Optionally, the energy storage power supply further comprises a bottom bracket, and a universal wheel is arranged on one side, close to the ground, of the bottom bracket;

the power supply module is sequentially stacked on one side of the bottom support deviating from the ground, and the control box is arranged on one side of the power supply module deviating from the bottom support.

Compared with the prior art, in the technical scheme provided by the utility model, the control box is arranged in the energy storage power supply, and the first cavity is formed in the control box; in order to improve the capacity and the cruising ability of the energy storage power supply, a plurality of power supply modules are also arranged, and the power supply modules are connected in parallel to form a power supply module which is arranged on one side of the control box close to the ground; in order to avoid the situation that the whole energy storage power supply cannot be used due to the fact that a certain power supply module is damaged, two adjacent power supply modules are detachably connected. Because the direct current is directly output by the energy storage power supply and most of electric appliances need to be driven by alternating current, an inverter connected in series with the power supply module is arranged in the first cavity, so that the direct current output by the energy storage power supply is converted into alternating current, and the power supply of the electric appliances driven by the alternating current is realized; in order to control the power supply module and the inverter conveniently, a BCMU main control module is further arranged in the first cavity, and the inverter and the power supply module are connected in series with the BCMU main control module.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an embodiment of an energy storage power supply according to the present utility model;

FIG. 2 is a schematic diagram of another embodiment of an energy storage power supply according to the present utility model;

FIG. 3 is a schematic diagram illustrating an internal structure of an embodiment of an energy storage power supply according to the present utility model;

FIG. 4 is a schematic diagram illustrating an internal structure of a control box according to an embodiment of the present utility model;

FIG. 5 is a schematic diagram illustrating an internal structure of a power box according to an embodiment of the energy storage power supply of the present utility model;

fig. 6 is a partial enlarged view at a in fig. 5.

Reference numerals illustrate:

the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Based on the above, the utility model provides the energy storage power supply, and the capacity of the energy storage power supply is improved and the endurance time is prolonged by arranging the plurality of power supply modules connected in parallel in the energy storage power supply, so that the energy storage power supply can be applied to various power supply occasions.

As shown in fig. 1, the energy storage power supply includes a control box 100 and a power module 200, wherein a first cavity is formed inside the control box 100, an inverter 110 and a BCMU master control module are disposed in the first cavity, and the BCMU master control module is electrically connected with the inverter 110; the power supply modules 200 are provided with a plurality of power supply modules 200, the power supply modules 200 are connected in parallel to form a power supply module, the power supply module is arranged on one side, close to the ground, of the control box 100, two adjacent power supply modules 200 are detachably connected, and the BCMU main control module and the inverter 110 are connected in series with the power supply module.

In the technical solution adopted in the present embodiment, the control box 100 is disposed in the energy storage power supply, and the first cavity is formed inside the control box 100; in order to improve the capacity and cruising ability of the energy storage power supply, a plurality of power supply modules 200 are further arranged, and the plurality of power supply modules 200 are connected in parallel to form a power supply module, and are arranged on one side, close to the ground, of the control box 100; in order to avoid the situation that the whole energy storage power supply cannot be used due to the damage of a certain power supply module 200, two adjacent power supply modules 200 are detachably connected in the scheme. Because the direct output of the energy storage power supply is direct current and most of electric appliances need to be driven by alternating current, the inverter 110 connected in series with the power supply module is arranged in the first cavity, so that the direct current output by the energy storage power supply is converted into alternating current, and the power supply of the electric appliances driven by the alternating current is realized; in order to facilitate control of the power module 200 and the inverter 110, a BCMU master control module is further disposed in the first cavity, and the inverter 110 and the power module are both connected in series with the BCMU master control module.

Specifically, the electrical connection between the power modules 200 is a parallel connection between the dc power and the dc power. The energy storage power supply is used for household appliances by storing and receiving direct current of the power supply module 200 and converting the direct current into alternating current through the inverter 110 in the control box 100. For example, the inverter 110 may generally convert DC power of 12V into AC220V AC power similar to the commercial power, and supply the AC220V AC power to general household appliances. When the energy storage power supply is charged, a common power supply circuit can be adopted for charging, and a photovoltaic panel can be arranged in the energy storage power supply, so that the energy storage power supply is charged by utilizing solar energy.

Alternatively, as shown in fig. 6, each power module 200 includes a plurality of series-connected battery cells 210, and two adjacent battery cells 210 in the power module 200 are connected in series by a connecting piece 211.

In the technical solution adopted in the present embodiment, in each power module 200, in order to increase the total voltage of the series connection, preferably, 16 battery cells 210 are provided. In order to connect the multiple electric cores 210 in series, each electric core 210 is provided with a positive electrode and a negative electrode, the multiple electric cores 210 are connected end to end through a connecting sheet 211, namely, the positive electrode of the first electric core 210 is connected with the negative electrode of the second electric core 210, the positive electrode of the second electric core 210 is connected with the negative electrode of the third electric core 210, and so on, finally, the negative electrode of the first electric core 210 and the positive electrode of the last electric core 210 are respectively used as the negative electrode and the positive electrode of the whole power module 200, so that the connection between the multiple power modules 200 is performed. The material of the connection piece 211 is not particularly limited, and may be, for example, a copper sheet or a conductive sheet such as an aluminum sheet. It should be noted that the battery cell 210 may be a lithium battery, a nickel-cadmium battery, a nickel-hydrogen battery, a lead-acid battery, or other battery. Preferably, the lithium iron phosphate battery is adopted in the implementation, and has the advantages of good cycle performance and reliable safety performance.

Further, as shown in fig. 6, a plurality of the electric cores 210 in each power module 200 are fixedly connected by a fixing strip 213; and/or, the outer portion of each of the battery cells 210 is wrapped with a multi-layer PVC jacket.

In the technical solution adopted in this embodiment, in order to improve the fixing strength of the battery cells 210 in each power module 200, fixing strips 213 may be disposed between the battery cells 210, the material of the fixing strips 213 is not specifically limited, 2 fixing strips 213 may be disposed, and 8 battery cells 210 are fixed to each fixing strip 213. Optionally, to protect and secure the cells 210, a multi-layer PVC jacket may be wrapped around the exterior of each cell 210.

Alternatively, as shown in fig. 4 and 5, the inverter 110 is provided with a first discharge terminal 111, the first discharge terminal 111 is electrically connected to the inverter 110, each of the power modules 200 is provided with a second discharge terminal 220, and the second discharge terminal 220 is electrically connected to the power module 200; the power modules 200 are connected in parallel through the second discharge terminals 220, and the power modules 200 connected in parallel are connected in series with the second discharge terminals 220 through the first discharge terminals 111.

In the technical solution adopted in the present embodiment, in order to facilitate electrical connection between the inverter 110 and the power modules 200 and between the power modules 200, a first discharge terminal 111 is provided on the inverter 110, a second discharge terminal 220 is provided on each power module 200, and the second discharge terminals 220 are electrically connected with the positive electrode and the negative electrode in the power modules 200, respectively. First, the power modules 200 are connected in parallel through the second discharge terminals 220, and the power modules 200 connected in parallel are connected in series through the first discharge terminals 111 and the second discharge terminals 220.

Optionally, as shown in fig. 5, the energy storage power supply further includes an MCU circuit control board 250, where the MCU circuit control board 250 is disposed on one side of the power module 200, and the power module 200 and the BCMU master control module are electrically connected to the MCU circuit control board 250 respectively; and/or, the energy storage power source further includes a protection plate 230, and the power source module 200 and the second discharge terminal 220 are electrically connected to the protection plate 230, respectively.

In the technical solution adopted in this embodiment, in order to conveniently control and protect the multiple battery cells 210 and perform data communication, each power module 200 may be further provided with an MCU circuit control board 250, and each MCU circuit control board 250 is electrically connected with a BCMU master control module, and each MCU circuit control board 250 can be controlled and managed by the BCMU master control module, so as to form a safe and reliable master-slave management system. Further, in order to protect the power module 200, a protection board 230 may be further provided, and the protection board 230 is preferably a protection board 230 with dual functions, so that the battery cell can be overcharged and also can be overdischarged.

Optionally, as shown in fig. 3, the control box 100 is provided with an AC output port 130 and an AC input port 140, and the output end of the inverter 110 extends to protrude from the AC output port 130, and an external power source passes through the AC input port 140 and is electrically connected with the BCMU main control module; and/or, a display screen 150 is provided on an outer surface of the control box 100, and the display screen 150 is electrically connected with the inverter 110.

In the technical solution adopted in this embodiment, in order to facilitate charging and discharging of the energy storage power source, the control box 100 may be provided with an AC output 130, an AC input 140, and a diode for converting AC into dc. When discharging the energy storage power supply, the power plug of the electric appliance can be connected into the AC output 130 and electrically connected with the inverter 110, so as to realize the charging of the electric appliance. When the energy storage power supply needs to be charged, a plug of the external power supply can be inserted into the AC input port 140, and the external power supply and the power supply module 200 can be connected through a diode on the BCMU master control module, so that power supply of the energy storage power supply is realized. In order to facilitate the observation of information such as the operating state of the energy storage power supply, the control box 100 may be further provided with a display screen 150, for example, a double 8-word digital tube may be used, or a display element such as a liquid crystal display screen 150 may be used.

Optionally, as shown in fig. 1, the energy storage power supply further includes a number of power boxes 240, where the number of power boxes 240 is consistent with the number of power modules 200; each power box 240 forms a second cavity, each power module 200 is respectively disposed in each second cavity, and the plurality of power boxes 240 are stacked in sequence and disposed on a side of the control box 100 close to the ground.

In the technical solution adopted in this embodiment, in order to make the structure between the multiple power modules 200 more compact, multiple power boxes 240 are further provided, each power module 200 is disposed in each power box 240, and the power boxes are stacked in sequence, so that the space layout is more reasonable.

Optionally, as shown in fig. 3, a communication interface 241 is further provided on the power box 240, and the communication interface 241 is electrically connected to the power module 200; and/or, the power box 240 is further provided with a power indicator 243, and the power indicator 243 is disposed on an outer surface of a side wall of the power box 240 and electrically connected to the power module 200; and/or, the power box 240 is further provided with a mounting anchor, and the mounting anchor is disposed at the bottom of the power box 240 and protrudes toward the second cavity to fix the power module 200.

In the technical solution adopted in this embodiment, in order to facilitate communication interaction between the plurality of power modules 200, a communication interface 241, for example, a CAN/RS-485/ethernet communication interface 241 may be provided on the power box 240. Further, in order to timely detect the electric quantity of each power module 200, a power indicator 243 may be further disposed on the power box 240 for displaying the electric quantity. Furthermore, in order to improve the fixing strength of the power module 200, a plurality of mounting feet may be provided on the power box 240 to fix the power module 200 from different positions.

Optionally, as shown in fig. 1, a handle 300 is disposed on the control box 100, and the handle 300 is disposed on an outer surface of a sidewall of the control box 100; and/or, the power box 240 is provided with a handle 300, and the handle 300 is arranged on the outer surface of the side wall of the power box 240.

In the technical solution adopted in this embodiment, in order to facilitate carrying the control box 100, the outer surface of the control box 100 may be provided with two handles 300, preferably, two handles 300 may be provided, so as to facilitate carrying by two persons; further, the handle 300 may be provided on the outer surface of the power box 240, and preferably, two handles 300 may be provided, thereby saving manpower.

Optionally, as shown in fig. 1, the energy storage power supply further includes a base 400, and a universal wheel 410 is disposed on a side of the base 400 close to the ground; the power module 200 is sequentially stacked on one side of the bottom bracket 400 away from the ground, and the control box 100 is disposed on one side of the power module 200 away from the bottom bracket 400.

In the technical scheme adopted in this embodiment, for convenience in fixing the energy storage power supply, a bottom bracket 400 is further provided, a plurality of power modules 200 are sequentially stacked on one side of the bottom bracket 400 away from the ground, and the control box 100 is arranged on one side of the power modules 200 away from the bottom bracket 400, so that the control box 100 and the power modules 200 are fixed into a whole. And, be equipped with universal wheel 410 in the one side that collet 400 is close to ground for whole energy storage power can freely nimble remove, the transportation of being convenient for uses manpower sparingly.

The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. An energy storage power supply, comprising:

2. The energy storage power supply of claim 1, wherein each power supply module comprises a plurality of cells connected in series, and two adjacent cells in the power supply module are connected in series through connecting sheets.

3. The energy storage power supply according to claim 2, wherein a plurality of the electric cores in each power supply module are fixedly connected through fixing strips; and/or, the outer part of each battery cell is wrapped with a plurality of layers of PVC sleeves.

4. The energy storage power supply of claim 1, wherein a first discharge terminal is arranged on the inverter and is electrically connected with the inverter, a second discharge terminal is arranged on each power supply module, and the second discharge terminals are electrically connected with the power supply modules;

5. The energy storage power supply of claim 4, further comprising an MCU circuit control board disposed on one side of said power module, and said power module and said BCMU master control module are electrically connected to said MCU circuit control board, respectively; and/or, the energy storage power supply further comprises a protection plate, and the power supply module and the second discharging terminal are respectively and electrically connected with the protection plate.

6. The energy storage power supply of claim 1, wherein the control box is provided with an AC output port and an AC input port, and the output end of the inverter extends to protrude from the AC output port, and an external power supply passes through the AC input port and is electrically connected with the BCMU main control module; and/or a display screen is arranged on the outer surface of the control box, and the display screen is electrically connected with the inverter.

7. The energy storage power supply of claim 1, further comprising a number of power boxes, the number of power boxes being consistent with the number of power modules;

8. The energy storage power supply of claim 7, wherein a communication interface is further arranged on the power supply box, and the communication interface is electrically connected with the power supply module; and/or, the power supply box is also provided with a power supply indicator lamp, and the power supply indicator lamp is arranged on the outer surface of one side wall of the power supply box and is electrically connected with the power supply module; and/or, still be equipped with the installation lower margin on the power supply box, the installation lower margin is located the bottom of power supply box, and towards the second cavity protrusion is in order to with the power module is fixed.

9. The energy storage power supply of claim 8, wherein a handle is arranged on the control box, and the handle is arranged on the outer surface of the side wall of the control box; and/or the power supply box is provided with a handle, and the handle is arranged on the outer surface of the side wall of the power supply box.

10. The energy storage power supply according to any one of claims 1 to 9, further comprising a shoe, wherein a universal wheel is arranged on one side of the shoe close to the ground;