CN213185539U - Small energy storage system and leasing system - Google Patents

Abstract

The utility model relates to a small-size energy storage system and lease system, this small-size energy storage system includes solar panel, solar control ware, the battery, battery management module, the dc-to-ac converter module, communication module and system controller, solar control ware respectively with solar panel, battery management module and system controller are connected, battery management module still is connected with battery and system controller respectively, the dc-to-ac converter module respectively with the battery, system controller and external load are connected, communication module and system controller communication connection, be used for conveying mutual information, system controller is used for controlling the battery to supply power to external load through battery management module according to mutual information. Therefore, the small energy storage system generates interactive information with the outside through the communication module, and controls the storage battery to supply power to the external load according to the interactive information, so that the small energy storage system realizes the interaction and communication functions.

Description

Small energy storage system and leasing system

Technical Field

The utility model relates to an energy storage technology field, in particular to small-size energy storage system and lease system.

Background

Small portable energy storage is widely used in various fields, such as: the method comprises the following steps of outdoor camping, outdoor aerial photography, scientific investigation and search and rescue activities, outdoor office work, outdoor photography, outdoor construction, standby power supply, emergency power supply fire rescue, emergency rescue, automobile starting, digital charging, mobile power supply and the like. Small portable energy storage systems are used to power different loads in various scenarios to charge the different loads.

The existing small energy storage system cannot meet the requirements of interaction and communication with users, and further cannot realize additional functions based on communication, such as a leasing function and the like, so that user experience is influenced.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned defect of prior art, the utility model aims at providing a small-size energy storage system to can realize mutual and communication function.

The utility model aims at realizing through the following technical scheme:

in order to solve the above technical problem, in a first aspect, the embodiment of the present invention provides a small energy storage system, which is characterized in that, include:

the solar panel is used for converting solar energy into electric energy;

the solar controller is connected with the solar panel and is used for controlling the distribution of the electric energy;

the solar energy controller is connected with the solar energy storage device and used for controlling the solar energy storage device to store electric energy;

the inverter module is respectively connected with the storage battery and an external load and is used for inverting the output current of the storage battery into alternating current and transmitting the alternating current signal to the external load so that the storage battery supplies power to the external load;

the communication module is used for transmitting the interactive information; and

and the system controller is respectively connected with the solar controller, the battery management module, the inverter module and the communication module and is used for controlling the storage battery to supply power to the external load through the battery management module according to the interaction information.

Optionally, the communication module is a CAN bus communication module.

Optionally, the communication module is an RS485 interface communication module.

Optionally, the communication module is a wireless communication module, a bluetooth module or a 2G/3G/4G module.

Optionally, the communication module includes a sending unit, a receiving unit and an isolating unit, the sending unit is in communication connection with the system controller and the first terminal of the isolating unit respectively, and is used for sending the interactive information, the receiving unit is in communication connection with the system controller and the second terminal of the isolating unit respectively, and is used for receiving the interactive information, and the third terminal of the isolating unit is in communication connection with the mobile terminal, and is used for realizing input and output isolation.

Optionally, the inverter module is a full-bridge inverter circuit, the full-bridge inverter circuit includes a plurality of switching tubes, the full-bridge inverter circuit is connected in series between the storage battery and the external load, and is used for inverting the output current of the storage battery into alternating current.

Optionally, the full-bridge inverter circuit includes including first MOS switch tube, second MOS switch tube, third MOS switch tube and fourth MOS switch tube, all the control end of MOS switch tube all with the system controller is connected, the source electrode of first MOS switch tube with the source electrode of third MOS switch tube connect in external load's one end jointly, the drain electrode of second MOS switch tube with the drain electrode of fourth MOS switch tube connect in external load's the other end jointly, the drain electrode of first MOS switch tube with the source electrode of second MOS switch tube connect in jointly the one end of battery, the drain electrode of third MOS switch tube with the source electrode of fourth MOS switch tube connect in jointly the other end of battery.

Optionally, the small energy storage system further includes a monitoring module, which is in communication connection with the solar panel, the storage battery, the inverter module, the communication module and the system controller, respectively, and is configured to monitor a fault condition of each module.

In a second aspect, an embodiment of the present invention provides a rental system, including:

a mobile terminal; and

the small energy storage system is in communication connection with the mobile terminal, and is configured to execute a corresponding action according to the interaction information sent by the mobile terminal.

Optionally, the rental system further includes a cloud service system, which is in communication connection with the small energy storage system and the mobile terminal, and is configured to receive data transmitted by the mobile terminal and the small energy storage system, and send a control command to the mobile terminal and the small energy storage system, respectively.

Compared with the prior art, the beneficial effects of the utility model are that: be different from the prior art, the embodiment of the utility model provides a small-size energy storage system, this small-size energy storage system includes solar panel, solar controller, the battery, battery management module, the dc-to-ac converter module, communication module and system controller, solar panel is used for converting solar energy into the electric energy, solar controller is connected with solar panel, a distribution for controlling the electric energy, battery management module is connected with solar controller, an electric energy for managing the battery, the battery is connected with battery management module, a power storage, inverter module is connected with battery and external load respectively, an output current for with the battery is invertd into alternating current, and convey alternating current signal to external load, so that the battery supplies power to external load, communication module is used for conveying mutual information, system controller respectively with solar controller, a power supply is connected to the battery, a power supply is connected to external load, a communication module is used, The battery management module, the inverter module and the communication module are connected and used for controlling the storage battery to supply power to the external load through the battery management module according to the interaction information. Therefore, the small energy storage system generates interactive information with the outside through the communication module, and controls the storage battery to supply power to the external load according to the interactive information, so that the small energy storage system realizes the interaction and communication functions.

Drawings

One or more embodiments are illustrated by the accompanying figures in the drawings that correspond thereto and are not to be construed as limiting the embodiments, wherein elements/modules and steps having the same reference numerals are represented by like elements/modules and steps, unless otherwise specified, and the drawings are not to scale.

Fig. 1 is a schematic structural diagram of a rental system provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a small energy storage system according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a small energy storage system according to another embodiment of the present invention;

fig. 4a is a schematic circuit structure diagram of a CAN bus communication module according to an embodiment of the present invention;

fig. 4b is a schematic circuit structure diagram of an RS485 interface communication module according to an embodiment of the present invention;

fig. 4c is a schematic structural diagram of a WIFI module, a bluetooth module, and a 2G/3G/4G module provided in the embodiment of the present invention;

fig. 4d is a schematic structural diagram of an external interface communication module of a system controller according to an embodiment of the present invention;

fig. 5 is a schematic circuit diagram of an inverter module according to an embodiment of the present invention.

Detailed Description

The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a rental system, where the rental system 100 includes a mobile terminal 20 and a small energy storage system 10, the mobile terminal 20 is in communication connection with the small energy storage system 10, and the small energy storage system 10 is configured to execute a corresponding action according to interaction information sent by the mobile terminal 20, for example, the small energy storage system 10 supplies power to an external load 200, so that the rental system 100 realizes a rental function.

The mobile terminal 20 may be any type of smart device, such as a mobile phone, a tablet computer, or a smart remote controller, for establishing a communication connection with the small energy storage system 10. The mobile terminal 20 may be equipped with one or more of various user interaction devices for collecting user instructions or presenting and feeding back information to the user.

These interaction means include, but are not limited to: button, display screen, touch-sensitive screen, speaker and remote control action pole. For example, the mobile terminal 20 may be equipped with a touch display screen, receive a remote control instruction from the user to the small energy storage system 10 through the touch display screen, and show information of the small energy storage system 10 to the user through the touch display screen, if the user wants to rent the system, so that the small energy storage system 10 supplies power to the external load 200, the touch display screen of the mobile terminal 20 may be used to scan the identification code of the small energy storage system 10, obtain related information of the small energy storage system 10, and perform operations such as payment. After the interactive information such as payment information is transmitted to the small energy storage system 10, the small energy storage system 10 performs a corresponding action according to the interactive information transmitted by the mobile terminal 20, thereby realizing charging of the external load 200 and the like.

Therefore, the leasing system 100 can realize the leasing function through the interactive communication between the mobile terminal 20 and the small energy storage system 10, so that the user can lease the small energy storage system 10 to charge the external load 200, which is more convenient, and the application range of the small energy storage system 10 is expanded, and the consumer can enjoy the same product or service at a lower price, and the user experience is improved without purchasing the small energy storage system 10 at a higher price.

In some embodiments, with continued reference to fig. 1, the rental system 100 further includes a cloud service system, which is in communication connection with the small energy storage system 10 and the mobile terminal 20, respectively, and is configured to receive data transmitted by the mobile terminal 20 and the small energy storage system 10, and send a control command to the mobile terminal 20 and the small energy storage system 10, respectively.

If a user wants to rent the small energy storage system 10, when the small energy storage system 10 is used for charging the external load 200, the identification code of the small energy storage system 10 can be scanned to obtain relevant information of the small energy storage system 10, after the renting is determined, a communication connection can be established between a page jumped out through scanning and a cloud service system, the cloud service system can obtain relevant information of the mobile terminal 20, such as the IP or identity information of the mobile terminal 20, after the mobile terminal 20 correspondingly selects and pays, interactive information such as selection and payment is transmitted to the cloud service system, and the cloud service system sends a control instruction to the small energy storage system 10 according to the interactive information to control the small energy storage system 10 to supply power to the external load 200.

Referring to fig. 2, fig. 2 is a schematic structural diagram of a small energy storage system 10 according to an embodiment of the present invention, in which the small energy storage system 10 includes a solar panel 11, a solar controller 12, a battery management module 13, a storage battery 14, an inverter module 15, a communication module 16, and a system controller 17, the solar panel 11 is used for converting solar energy into electric energy, the solar controller 12 is connected to the solar panel 11 for controlling distribution of electric energy, the battery management module 13 is respectively connected to the solar controller 12 and the storage battery 14 for managing electric energy of the storage battery 14, the storage battery 14 is connected to the battery management module 13 for storing electric energy, the inverter module 15 is respectively connected to the storage battery 14 and an external load 200 for inverting an output current of the storage battery 14 into an ac current and transmitting the ac signal to the external load 200, so that the storage battery 14 supplies power to the external load 200, the communication module 16 is used for transmitting the interactive information, and the system controller 17 is respectively connected with the solar controller 12, the battery management module 13, the inverter module 15 and the communication module 16 and is used for controlling the storage battery 14 to supply power to the external load 200 through the battery management module 13 according to the interactive information.

A solar cell is also called a "solar chip" or a "photovoltaic cell", and is a photoelectric semiconductor sheet that directly generates electricity by using sunlight. The single solar cell cannot be directly used as a power supply. As a power supply, a plurality of single solar cells must be connected in series, in parallel and tightly packaged into an assembly.

The solar panel 11 (also called a solar cell module) is an assembly of a plurality of solar cells, and is a core part of a solar power generation system and is also the most important part of the solar power generation system.

The solar panel 11, the solar controller 12, the battery management module 13 and the storage battery 14 jointly form a photovoltaic power generation system, and the photovoltaic power generation system is characterized by high reliability, long service life, no environmental pollution, independent power generation and grid-connected operation. The storage battery 14 stores electric energy generated when the solar cell array is irradiated with light and supplies power to the external load 200 at any time, and the solar controller 12 controls charging and discharging of the storage battery 14, and controls charging and discharging of the storage battery 14 through the battery management module 13.

The storage battery 14 may be a single storage battery or a storage battery pack, the battery management module 13 may accurately estimate the state of charge of the storage battery pack, that is, the remaining battery capacity, and may also collect, in real time, the terminal voltage and temperature, the charging and discharging current, and the total voltage of the battery pack of each battery in the storage battery pack during the charging and discharging processes of the storage battery 14, so as to prevent the storage battery 14 from being overcharged or overdischarged, and in addition, the battery management module 13 may also enable each battery in the storage battery pack to reach a balanced and consistent state, so as to implement balanced charging of. The battery management module 13 may also transmit information related to the remaining battery capacity and the charging/discharging condition of the battery to the system controller 17, and the system controller 17 controls the charging/discharging of the storage battery 14 through the battery management module 13 according to the information.

The communication module 16 is configured to transmit interactive information, where the interactive information may be various types of information, and if the small energy storage system 10 is used in a scenario such as a rental system 100 or a shared electric car, the interactive information may be rental information, payment information, and the like, the communication module 16 transmits the interactive information to the system controller 17, and the system controller 17 sends a control command to the battery management module 13 and the like according to the interactive information to control the storage battery 14 to supply power to the external load 200, so that a user may use the small energy storage system 10 to charge the external load 200 or may use the shared electric car to complete a rental function.

The inverter module 15 in the small energy storage system 10 is connected to the battery 14 and the external load 200, respectively, and converts the output current of the battery 14 into an ac signal and transmits the ac signal to the external load 200, so that the battery 14 ac-charges the external load 200. In some embodiments, the inverter module 15 is a full bridge inverter circuit.

Therefore, the small energy storage system 10 converts solar energy into electric energy through the solar panel 11, communicates with the outside through the communication module 16, generates interaction information according to an external instruction, and controls the storage battery 14 to supply power to the external load 200 through the battery management module 13 according to the interaction information, so as to realize a corresponding interaction function.

Referring to fig. 3, fig. 3 is a schematic structural diagram of a small energy storage system according to another embodiment of the present invention, in which the communication module 16 in the small energy storage system 10 includes a sending unit 161, a receiving unit 162 and an isolating unit 163, the sending unit 161 is in communication connection with the system controller 17 and a first terminal of the isolating unit 163, the receiving unit 162 is in communication connection with a second terminal of the system controller 17 and a second terminal of the isolating unit 163, and a third terminal of the isolating unit 163 is also in communication connection with the mobile terminal 20. If the system controller 17 sends the interactive information such as the control command to the mobile terminal 20, the control command may be sent to the mobile terminal 20 through the sending unit 161 and the isolating unit 163, and if the mobile terminal 20 sends the interactive information such as the selection or the payment to the system controller 17, the interactive information may be sent to the system controller 17 through the isolating unit 163 and the receiving unit 162. The isolation unit 163 realizes input/output isolation, and improves the anti-interference capability of the communication module 16.

In some embodiments, please refer to fig. 3, the small energy storage system 10 further includes a monitoring module 18, the monitoring module 18 is in communication connection with the solar panel 11, the storage battery 14, the inverter module 15, the communication module 16 and the system controller 17, respectively, and is capable of monitoring a fault condition of each module, if a module fails, the monitoring module is capable of transmitting the fault condition to the system controller 17 in time, and the system controller 17 performs corresponding processing according to the fault condition, so that the fault can be detected and processed in time.

In some embodiments, referring to fig. 4a, the communication module 16 is a CAN bus communication module, the sending unit 161 sends a control command of the system controller 17, the receiving unit 162 receives an interactive command of the mobile terminal 20, and the isolating unit 163 isolates the sending unit 161 and the mobile terminal 20 from each other and isolates the receiving unit 162 and the mobile terminal 20 from each other. All information is transmitted through the CAN bus.

In some embodiments, referring to fig. 4b, the communication module 16 is an RS485 interface communication module, the sending unit 161 sends a control command of the system controller 17, the receiving unit 162 receives an interactive command of the mobile terminal 20, and the isolating unit 163 isolates the sending unit 161 and the mobile terminal 20 from each other and isolates the receiving unit 162 and the mobile terminal 20 from each other. All information is transmitted through the RS485 interface.

In some embodiments, please refer to fig. 4c, the communication module 16 is a bluetooth module, a WIFI module, or a 2G/3G/4G module, and the system controller 17 and the outside communicate with each other through the communication module, so that the small energy storage system 10 realizes the interaction and communication functions.

In some embodiments, referring to fig. 4d, the system controller 17 may directly communicate with the outside through an external interface, so that the small energy storage system 10 realizes the interaction and communication functions.

In some embodiments, please refer to fig. 5, and fig. 5 is a schematic circuit structure diagram of an inverter module according to an embodiment of the present invention. This inverter module 15 is a full-bridge inverter circuit, the full-bridge inverter circuit includes a plurality of switch tubes, and this full-bridge inverter circuit establishes ties between battery 14 and external load 200 for with the output current invertion of battery 14 becomes alternating current. The full-bridge inverter circuit includes a first MOS switch Q1, a second MOS switch Q2, a third MOS switch Q3 and a fourth MOS switch Q4, all of the control terminals of the MOS switches are connected to the system controller 17, the source of the first MOS switch Q1 is connected to the one end of the external load 200 together with the source of the third MOS switch Q3, the drain of the second MOS switch Q2 is connected to the other end of the external load 200 together with the drain of the fourth MOS switch Q4, the drain of the first MOS switch Q1 and the source of the second MOS switch Q2 are connected to one end of the battery 14 together, and the drain of the third MOS switch Q3 and the source of the fourth MOS switch Q4 are connected to the other end of the battery 14 together.

Therefore, the system controller 17 controls the on/off of each MOS switch, so that the electric energy signal output by the battery 14 is converted into an ac signal by the MOS switch, and the ac signal is transmitted to the external load 200, thereby completing the charging of the external load 200.

To sum up, this small-size energy storage system passes through solar panel and converts solar energy into the electric energy to communicate with the external world through communication module, generate mutual information according to external instruction, and control the battery through battery management module according to this mutual information and supply power to external load, realize corresponding interaction and communication function.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; within the idea of the invention, also combinations between technical features in the above embodiments or in different embodiments are possible, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or technical features in areas thereof may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its various embodiments.

Claims (10)

1. A compact energy storage system, comprising:

the solar panel is used for converting solar energy into electric energy;

the solar controller is connected with the solar panel and is used for controlling the distribution of the electric energy;

the solar energy controller is connected with the solar energy storage device and used for controlling the solar energy storage device to store electric energy;

the inverter module is respectively connected with the storage battery and an external load and is used for inverting the output current of the storage battery into alternating current and transmitting the alternating current to the external load so that the storage battery supplies power to the external load;

the communication module is used for transmitting the interactive information; and

and the system controller is respectively connected with the solar controller, the battery management module, the inverter module and the communication module and is used for controlling the storage battery to supply power to the external load through the battery management module according to the interaction information.

2. The small energy storage system of claim 1, wherein the communication module is a CAN bus communication module.

3. The small energy storage system according to claim 1, wherein the communication module is an RS485 interface communication module.

4. The small energy storage system of claim 1, wherein the communication module is a wireless communication module, a bluetooth module, or a 2G/3G/4G module.

5. The small energy storage system according to claim 2 or 3, wherein the communication module comprises a sending unit, a receiving unit and an isolating unit, the sending unit is respectively in communication connection with the system controller and a first terminal of the isolating unit and is used for sending the interaction information, the receiving unit is respectively in communication connection with the system controller and a second terminal of the isolating unit and is used for receiving the interaction information, and a third terminal of the isolating unit is in communication connection with a mobile terminal and is used for realizing input and output isolation.

6. The small energy storage system according to claim 1, wherein the inverter module is a full-bridge inverter circuit, the full-bridge inverter circuit comprises a plurality of switching tubes, and the full-bridge inverter circuit is connected in series between the battery and the external load for inverting the output current of the battery into an alternating current.

7. The small energy storage system according to claim 6, wherein the full-bridge inverter circuit comprises a first MOS switch tube, a second MOS switch tube, a third MOS switch tube and a fourth MOS switch tube, all of the control ends of the MOS switch tubes are connected to the system controller, the source of the first MOS switch tube and the source of the third MOS switch tube are connected to one end of the external load, the drain of the second MOS switch tube and the drain of the fourth MOS switch tube are connected to the other end of the external load, the drain of the first MOS switch tube and the source of the second MOS switch tube are connected to one end of the battery, and the drain of the third MOS switch tube and the source of the fourth MOS switch tube are connected to the other end of the battery.

8. The small energy storage system according to claim 1, further comprising a monitoring module communicatively connected to the solar panel, the battery, the inverter module, the communication module, and the system controller, respectively, for monitoring a fault condition of each module.

9. A rental system, comprising:

a mobile terminal; and

the small energy storage system according to any one of claims 1 to 8, communicatively connected to the mobile terminal, and configured to perform a corresponding action according to the interaction information sent by the mobile terminal.

10. The rental system of claim 9, further comprising a cloud service system, communicatively connected to the small energy storage system and the mobile terminal, respectively, for receiving data transmitted by the mobile terminal and the small energy storage system, and sending control commands to the mobile terminal and the small energy storage system, respectively.

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