Power supply module with information read-write function

Abstract

The utility model provides a power supply module with an information read-write function, and belongs to the technical field of power supply modules. The technical problem to be solved is to provide an improvement of a power supply module hardware structure with an information read-write function. The technical scheme for solving the technical problem is as follows: a first step-down converter, a second step-down converter, a first low-dropout linear regulator and a second low-dropout linear regulator are arranged in a power conversion module; a controller, a data storage module, a first communication module and a second communication module are further arranged in the information read-write module; the controller is connected with the data storage module, the first communication module and the second communication module through a bus, and the power input end of the controller is connected with the power supply module. The first communication module is connected with a power utilization terminal through a set I2C communication interface, and the second communication module is connected with a management center server through a set UART communication interface; the utility model is applied to the power supply module of the electronic equipment.

Description

Technical Field

[0001] The utility model provides a power module with information reading and writing functions, belonging to the technical field of power modules. Background Art

[0002] The power module is an important component in various electronic devices. At present, IoT devices, smart watches and even power strips are equipped with corresponding power protection circuits and power output circuits to achieve the corresponding power supply stabilization function.

[0003] With the development of the times, higher security requirements have been put forward for the power modules used in electronic devices. Specifically, when unknown devices are connected to the power grid, unauthorized devices may be used to illegally obtain or destroy power grid data, threatening the safe operation of the power grid. In addition, unknown devices that have not been collected may cause damage to power grid equipment or even cause power accidents due to non-compliance with technical standards or defects. Since the power modules of the electronic devices currently used do not have the functions of data collection, transmission, and processing, the power grid companies as the responsible supervisors will not be able to identify and eliminate these potential hazards in a timely manner. Utility Model Content

[0004] In order to overcome the deficiencies in the prior art, the utility model aims to solve the technical problem of providing an improvement in the hardware structure of a power module with information reading and writing functions.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is: a power module with information reading and writing function, including a power conversion module and an information reading and writing module, wherein a first buck converter, a second buck converter, a first low voltage difference linear regulator, and a second low voltage difference linear regulator are arranged inside the power conversion module;

[0006] The power input terminal of the power conversion module includes a first input terminal VIN1, a second input terminal VIN2, a third input terminal VIN3, and a fourth input terminal VIN4;

[0007] The power output end of the power conversion module includes a first output end VOUT1, a second output end VOUT2, a third output end VOUT3, and a fourth output end VOUT4, and each output end is controlled to be enabled or disabled by setting a corresponding EN pin;

[0008] The first input terminal VIN1 and the first output terminal VOUT1 are arranged on a first buck converter;

[0009] The second input terminal VIN2 and the second output terminal VOUT2 are arranged on a second buck converter;

[0010] The third input terminal VIN3 and the third output terminal VOUT3 are arranged on a first low voltage difference linear regulator;

[0011] The fourth input terminal VIN4 and the fourth output terminal VOUT4 are arranged on a second low voltage difference linear regulator;

[0012] The first output terminal VOUT1 and the second output terminal VOUT2 are both filtered and outputted through external inductors and capacitors;

[0013] The third output terminal VOUT3 is filtered and outputted through an external capacitor;

[0014] The fourth output terminal VOUT4 is connected to a power supply module provided inside the information reading and writing module;

[0015] The information reading and writing module is also provided with a controller, a data storage module, a first communication module, and a second communication module;

[0016] The controller is connected to the data storage module, the first communication module, and the second communication module respectively through a bus, and the power input end of the controller is connected to the power supply module;

[0017] The first communication module is connected to the power terminal via an I2C communication interface, and is used to collect identity information data of the power terminal and transmit the identity information data to the data storage module for storage;

[0018] The second communication module is connected to the management center server via a set UART communication interface to verify the uploaded identity information data.

[0019] The control chip model used in the power conversion module is ADP5034;

[0020] The control chip model used inside the information reading and writing module is C8051F300.

[0021] The power supply voltage outputted by the fourth output terminal VOUT4 is 3.3V.

[0022] The beneficial effects of the present invention compared to the prior art are as follows: the present invention provides a power module with information reading and writing functions. By externally connecting a corresponding information reading and writing module on the basis of a traditional power circuit structure, an electronic device equipped with this type of power module has the functions of data collection, transmission, and identification, and can meet the current requirements for the safety of electronic equipment; the power module provided adopts a modular design, has a simple circuit structure, is easy to install and maintain, and provides multiple power outputs, further improving the stability and reliability of the use of electronic equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The utility model is further described below in conjunction with the accompanying drawings:

[0024] Figure 1 It is a schematic diagram of the circuit structure of the utility model;

[0025] In the figure: 1 is a power conversion module, 2 is an information reading and writing module, 11 is a first buck converter, 12 is a second buck converter, 13 is a first low voltage difference linear regulator, 14 is a second low voltage difference linear regulator, 21 is a power supply module, 22 is a controller, 23 is a data storage module, 24 is a first communication module, 25 is a second communication module, 31 is a power terminal, and 32 is a management center server. DETAILED DESCRIPTION

[0026] like Figure 1 As shown, the utility model provides a power module with information reading and writing functions, specifically a power module with information collection, transmission and identification functions arranged on the basis of an existing circuit structure, which further improves the safety of using electronic equipment while ensuring reliable and stable power supply of electronic equipment.

[0027] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0028] The utility model provides a power supply module, including a power conversion circuit and an output interface, and also includes an information read-write control chip connected to the power conversion circuit. The information read-write control chip exchanges data with external equipment through a set communication interface, and can realize the collection and transmission of information on power consumption terminals.

[0029] In terms of application, the utility model installs the improved power module in various power terminals used in daily life, and realizes the verification of the identity of the power terminal user based on the collection and identification of the user information of the power terminal by the information reading and writing module, thereby preventing unauthorized use and improving the safety of the equipment; when in use, the data storage module arranged in the information reading and writing module has the storage and reading function, and the identity identification information includes: device code (similar to the network card MAC, which is unique), device name, device attributes, power, manufacturer information, etc. The power module has strong applicability and can be installed and used in various large-scale power-consuming equipment, as well as small ones such as rechargeable toothbrushes, electric shavers, and power strips. It can also be used in electronic equipment equipped with batteries.

[0030] In an embodiment of the present utility model, a power conversion module is provided as a control management module for power output, and is provided with multiple input and output ports, wherein:

[0031] The input terminal VIN is the input voltage source;

[0032] The control chip ADP5034 used in the power conversion module has a built-in power management integrated circuit (PMIC), which provides multiple output voltages (VOUT1, VOUT2, VOUT3, VOUT4) through internal buck converters (BUCK1, BUCK2) and low-dropout linear regulators (LDO1, LDO2), and a corresponding EN pin is set for each output to enable or disable the power output.

[0033] The output terminals VOUT1, VOUT2, and VOUT3 are set to be the output voltages provided by the PMIC, where both VOUT1 and VOUT2 outputs are filtered through an inductor and a capacitor, while VOUT3 is an LDO output and is filtered only through a capacitor;

[0034] The fourth output terminal VOUT4 additionally provided in the power conversion module is also responsible for providing a 3.3V operating voltage for the single-chip microcomputer control circuit of model C8051F300.

[0035] In the embodiment of the utility model, the information reading and writing module provided is also provided with a plurality of data processing modules, among which:

[0036] The data analysis and processing function of the information reading and writing module is realized by the controller C8051F300 single chip microcomputer. The data storage module is responsible for storing the data, and the communication module is responsible for transmitting and sending the collected data to the outside.

[0037] Furthermore, the C8051F300 microcontroller used has two external interfaces. The I2C interface is responsible for communicating with the electricity user terminal to extract the electricity user terminal (identity) information and store it in the internal flash memory of the microcontroller. The other UART interface is responsible for communicating with the external management center server to upload the stored terminal information and verify it.

[0038] Furthermore, the utility model provides a power module integrated with an information reading and writing chip, which can be applied to various terminal ARM application scenarios, including a power conversion module and an information reading and writing module, wherein:

[0039] In the power conversion module, the VIN interface is the input voltage, which is the voltage of the input DC power supply.

[0040] The AV-IN interface is set as the analog power input terminal.

[0041] The HOUSEKEEPING module is set up to provide all necessary maintenance and inspection work in the circuit to ensure the normal operation of the circuit;

[0042] The EN interface is set to enable the circuit, which is a control signal used to enable or disable the function of the circuit;

[0043] The ADP5034 chip used in the power conversion module is a powerful and widely used power management unit. It integrates two high-performance buck regulators and two low-dropout (LDO) regulators. It is particularly suitable for electronic equipment design that requires multiple voltage outputs and high integration.

[0044] The FB interface is specifically set as an output voltage feedback pin, which is used to adjust the output voltage.

[0045] The set PGND interface stands for power ground, which is the ground wire connecting the circuit board and the device chip. It can ensure the normal operation of the circuit on the circuit board, protect the circuit board, and prevent electromagnetic interference.

[0046] In the information reading and writing module, UART universal asynchronous receiver-transmitter is used as the communication module. It converts the data to be transmitted between serial communication and parallel communication. As an interface chip that converts parallel input signals into serial output signals, UART is usually integrated into the connection of other communication interfaces to achieve full-duplex transmission and reception.

[0047] In addition, the communication module also uses the I2C (Inter-Integrated Circuit) integrated circuit bus interface, which is a two-wire serial communication bus used for communication between devices, etc. Under standard conditions, the maximum transmission rate reaches 100Kbps.

[0048] Regarding the specific structure of the utility model, it should be explained that the connection relationship between the various component modules adopted in the utility model is definite and feasible. Except for special instructions in the embodiments, the specific connection relationship can bring corresponding technical effects and solve the technical problems raised by the utility model without relying on the execution of corresponding software programs. The components, modules, models of specific components and the connection methods between each other appearing in the utility model, as well as the conventional use methods and expected technical effects brought about by the above-mentioned technical features, except for specific instructions, all belong to the disclosed contents in patents, journal articles, technical manuals, technical dictionaries, and textbooks that can be obtained by technical personnel in this field before the application date, or belong to the existing technologies such as conventional technologies and common knowledge in this field, and there is no need to elaborate, so that the technical solution provided in this case is clear, complete and feasible, and the corresponding physical products can be reproduced or obtained according to the technical means.

[0049] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A power module with information reading and writing functions, comprising a power conversion module (1) and an information reading and writing module (2), characterized in that: The power conversion module (1) is internally provided with a first buck converter (11), a second buck converter (12), a first low-voltage difference linear regulator (13), and a second low-voltage difference linear regulator (14); The power input end of the power conversion module (1) comprises a first input end VIN1, a second input end VIN2, a third input end VIN3, and a fourth input end VIN4; The power output end of the power conversion module (1) comprises a first output end VOUT1, a second output end VOUT2, a third output end VOUT3, and a fourth output end VOUT4, and each output end is controlled to be enabled or disabled by setting a corresponding EN pin; The first input terminal VIN1 and the first output terminal VOUT1 are arranged on a first buck converter (11); The second input terminal VIN2 and the second output terminal VOUT2 are arranged on a second buck converter (12); The third input terminal VIN3 and the third output terminal VOUT3 are arranged on a first low voltage difference linear regulator (13); The fourth input terminal VIN4 and the fourth output terminal VOUT4 are arranged on a second low voltage difference linear regulator (14); The first output terminal VOUT1 and the second output terminal VOUT2 are both filtered and outputted through external inductors and capacitors; The third output terminal VOUT3 is filtered and outputted through an external capacitor; The fourth output terminal VOUT4 is connected to a power supply module (21) provided inside the information reading and writing module (2); The information reading and writing module (2) is further provided with a controller (22), a data storage module (23), a first communication module (24), and a second communication module (25); The controller (22) is respectively connected to the data storage module (23), the first communication module (24), and the second communication module (25) via a bus, and a power input terminal of the controller (22) is connected to the power supply module (21); The first communication module (24) is connected to the power terminal (31) via an I2C communication interface, and is used to collect identity information data of the power terminal (31), and transmit the identity information data to the data storage module (23) for storage; The second communication module (25) is connected to the management center server (32) via a set UART communication interface, and is used to verify the uploaded identity information data.

2. A power module with information reading and writing function according to claim 1, characterized in that: The control chip model used in the power conversion module (1) is ADP5034; The control chip model used inside the information reading and writing module (2) is C8051F300.

3. A power module with information reading and writing function according to claim 1, characterized in that: The power supply voltage outputted by the fourth output terminal VOUT4 is 3.3V.

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