Integrated BMS charging and discharging management device for intelligent parking equipment

Abstract

The utility model discloses an integrated BMS (Battery Management System) charge and discharge management device for intelligent parking equipment, which comprises a battery module of which the input end is connected with a solar panel or commercial power and the output end is connected with a DCDC (Direct Current to Direct Current) module; the DCDC module is used for converting the power input by the battery module into the power supply power of the intelligent parking equipment; the main control unit is used for controlling power conversion of the DCDC module; and the adjusting resistor is connected with the main control unit, and the main control unit controls the power conversion of the DCDC module based on the resistance value of the adjusting resistor. According to the intelligent parking lock, various input modes are set, the charging requirement of the battery is met, meanwhile, by arranging the adjusting resistor, different output powers can be adjusted, power is supplied to intelligent parking locks of different specifications, more requirements of users are met, the solar panel can be better utilized to charge the battery module by arranging the input detection module, and the charging efficiency is improved. The service life of the battery is further prolonged.

Description

Technical Field

[0001] This utility model relates to the field of power management technology for intelligent parking equipment, and specifically to an integrated BMS charging and discharging management device for intelligent parking equipment. Background Technology

[0002] Existing smart parking devices—smart parking locks—must include a control system, a drive system, and a power supply. Therefore, size and power supply lifespan issues are unavoidable. The power supply, in particular, is a bottleneck in the development of smart parking locks. Due to the relatively large drive current, most smart parking locks use lead-acid maintenance-free batteries. However, batteries have self-discharge issues, requiring frequent charging. Furthermore, their charging modules are too simplistic, supporting only AC charging and not compatible with multiple input sources such as solar or USB, resulting in a poor user experience. Utility Model Content

[0003] To address the shortcomings of existing technologies, this application proposes an integrated BMS charging and discharging management device for intelligent parking equipment, which sets up multiple charging methods to effectively extend the power supply life of intelligent parking locks and improve the user experience.

[0004] The following is the technical solution of this utility model: an integrated BMS charging and discharging management device for intelligent parking equipment, comprising:

[0005] The battery module has an input terminal connected to a solar panel or AC power, and an output terminal connected to a DC-DC module.

[0006] The DC-DC module converts the power input from the battery module into the power supply for the smart parking equipment.

[0007] The main control unit is used to control the power conversion of the DC-DC module;

[0008] An adjustable resistor is connected to the main control unit, which controls the power conversion of the DC-DC module based on the resistance value of the adjustable resistor.

[0009] Preferably, the system also includes an indicator unit connected to the main control unit, which is used to display the battery module's charge level.

[0010] Preferably, the system also includes a temperature detection unit, which is connected to the main control unit and is used to detect the temperature information of the battery module.

[0011] Preferably, the system also includes an input detection module, which is used to detect whether the solar panel has power supply and to switch the input terminal of the battery module to connect to the solar panel when the solar panel has power supply.

[0012] Preferably, the input terminal of the battery module has a USB interface and / or a Type-C interface for connecting to the mains power.

[0013] Preferably, the main control unit uses the IP2369 chip.

[0014] Preferably, the indicator unit includes four LEDs.

[0015] Preferably, the battery module comprises a single battery or multiple batteries.

[0016] The beneficial effects of this utility model are as follows: Multiple input methods are provided to meet the battery charging needs. The inclusion of solar charging extends battery life, solves the problem of frequent charging due to battery self-discharge, and enhances the user experience of the smart lock. Furthermore, by setting an adjustable resistor, different output power can be adjusted to power smart locks of different specifications, meeting more user needs. The inclusion of an input detection module allows for better utilization of the solar panel to charge the battery module, further extending battery life. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the charge and discharge management device of this utility model;

[0018] Figure 2 This is a schematic diagram of the main control unit of this utility model;

[0019] In the diagram: 1. Battery module, 2. Solar panel, 3. Mains power, 4. Main control unit, 5. DC-DC module, 6. Intelligent parking equipment, 7. Adjustable resistor. Detailed Implementation

[0020] To make the technical problems solved by this utility model, the technical solutions adopted, and the technical effects achieved clearer, the technical solutions of the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0021] Example:

[0022] An integrated BMS charging and discharging management device for intelligent parking equipment, such as Figure 1 and Figure 2As shown, the system includes a battery module 1, a DC-DC module 5, a main control unit 4, and a regulating resistor 7. The input terminal of the battery module is connected to a solar panel 2 or mains power 3, and the output terminal is connected to the DC-DC module. The DC-DC module converts the power input from the battery module into the power supply for the intelligent parking device 6. The regulating resistor is connected to the main control unit, and the main control unit controls the power conversion of the DC-DC module based on the resistance value of the regulating resistor.

[0023] To better display the battery's power information, this invention includes an indicator unit connected to the main control unit. The indicator unit is used to display the battery module's power level.

[0024] Preferably, the main control unit can be multiple LEDs, which can be arranged horizontally, vertically, or in any other regular pattern. This utility model preferably uses four LEDs arranged horizontally to display the battery power. All four LEDs lit indicate that the remaining battery power is 100%. If the three LEDs on the left are lit and the rightmost LED is off, the remaining battery power is 75%. If the two LEDs on the left are lit and the two rightmost LEDs are off, the remaining battery power is 50%. If the one LED on the left is lit and the three rightmost LEDs are off, the remaining battery power is 25%. If all four LEDs are off, the remaining battery power is 0%.

[0025] Traditional smart locks often struggle to recharge batteries when they are deeply discharged (i.e., when the remaining charge is 0), rendering them unusable and unusable. This application, however, uses an IP2369 chip as its main control unit. This chip supports input overvoltage and undervoltage protection, output current and short-circuit protection, and overcharge, over-discharge, and overcurrent protection. It also enables safe activation and charging of deeply discharged batteries, allowing them to continue charging even when the remaining charge is 0, effectively extending battery life.

[0026] Furthermore, in order to monitor the battery status safely, this invention incorporates a temperature detection unit to detect the temperature information of the battery module. The temperature detection unit is connected to the main control unit and uses a thermistor for detection, effectively preventing the battery from catching fire due to heat during operation and improving the safety of battery use.

[0027] To further enhance battery safety, a display screen and alarm module can be added. The temperature information detected by the temperature detection unit can be remotely displayed on the screen or sent to the user's terminal device via an app. When the detected temperature exceeds the threshold, the alarm module will issue a temperature alarm, which can be displayed on the screen or sent to the user's terminal device via the app, thus improving safety.

[0028] Although the input interface of the battery module of this invention is already connected to the solar panel, in order for the solar panel to better power the battery module, this invention also sets up an input detection module. The input detection module is used to detect whether the solar panel has power supply, and switches the input terminal of the battery module to connect to the solar panel when the solar panel has power supply. Under normal circumstances, when the remaining power of the battery module drops to the charging threshold, it will preferentially switch to the mains power interface for mains charging. After the mains power supply is on, the input detection module is triggered to perform input detection. When the battery module does not need to be charged, the input detection module does not work.

[0029] The battery module's input terminal has interfaces for connecting to AC power, including USB and / or Type-C interfaces. It uses multiple interfaces for AC charging to meet the different needs of different users and facilitate the charging of the battery module.

[0030] The battery module can include a single battery or multiple batteries. Depending on the smart lock it is paired with, users can choose the battery capacity themselves, making it more adaptable.

[0031] This utility model's charging and discharging management device supports fast charging protocol input and output, supports 0V battery charging, and supports a maximum charging and discharging of 45W. The adjustable resistor allows the output voltage and current to support different specifications such as 5V / 3A, 9V / 3A, 12V / 3A, 15V / 3A, and 20V / 2.25A to meet different user needs.

[0032] Although preferred embodiments of the present invention have been described, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of the present invention.

[0033] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

Claims

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