CN218099978U

CN218099978U - Low-power-consumption universal acquisition and display module

Info

Publication number: CN218099978U
Application number: CN202221809381.4U
Authority: CN
Inventors: 李强; 唐万福; 叶志强
Original assignee: Harbin Jiaweiqi Technology Co ltd
Current assignee: Harbin Jiaweiqi Technology Co ltd
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2022-12-20
Anticipated expiration: 2032-07-13

Abstract

The utility model discloses a show module is gathered to general type of low-power consumption belongs to and gathers show module technical field, through with the energy supply of lithium cell circuit, integrated UART module, I2C module and power battery controller communication to obtain various communication data in UART, the I2C interface. The power supply module is designed for preventing reverse connection, isolating and stabilizing the power supply and the like, so that the safe and stable work of the power supply module is ensured; the IO output module adopts a power output triode to ensure the requirement of sufficient output power; all interfaces communicating with the CPU are isolated by the isolation module, so that the influence of the external environment on the acquisition module is effectively reduced, and the stability of the whole acquisition device is improved.

Description

Low-power-consumption universal acquisition and display module

Technical Field

The utility model relates to a gather the show module, especially relate to a show module is gathered to general type of low-power consumption belongs to and gathers show module technical field.

Background

In recent years, with the explosion of the interconnection of the IOT and everything, hardware design in a wireless and high-frequency sensing combination mode and the use of various sensors are required, a wireless module, a sensor fusion algorithm acceleration engine and the like are integrated in the MCU, and the wireless monitoring requirements of the IOT node and the industrial control equipment under low power consumption are met.

In the prior art, digital sensing in the IOT industry has the defect of non-uniformity, various communication data information is not convenient to acquire, and a power module is unstable in work.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a show module is gathered to general type of low-power consumption, through with the energy supply of lithium cell circuit, integrated UART module, I2C module and power battery controller communication to obtain the various communication data in UART, the I2C interface. The power supply module is designed to prevent reverse connection, isolate the power supply and stabilize the voltage, and the like, so that the safe and stable work of the power supply module is ensured; the IO output module adopts a power output triode to ensure the requirement of sufficient output power; all interfaces communicating with the CPU are isolated by the isolation module, so that the influence of the external environment on the acquisition module is effectively reduced, and the stability of the whole acquisition device is improved.

The purpose of the utility model can be achieved by adopting the following technical scheme:

a low-power-consumption universal acquisition and display module comprises a CPU (central processing unit), a memory, a USB (universal serial bus) interface, a UART (universal asynchronous receiver/transmitter) serial port module, an SIM (subscriber identity module), a communication I2C (inter-integrated circuit) module, a power module, a display SPI (serial peripheral interface) module and a camera module;

the CPU processor is electrically connected with the USB interface, the UART serial port module, the SIM module, the communication I2C module and the power supply module;

the power battery control module is electrically connected with the power module, the UART serial port module and the communication I2C module.

Preferably, the power module is MIC29302WU, the output voltage of the power module is 4.16V, the load current peak value reaches 3A, and a voltage stabilizing tube is connected to the output end of the power module in a reserved mode.

Preferably, the 2 terminal of the MIC29302WU module is electrically connected with a set of active capacitors and a set of capacitors, the 3 terminal of the MIC29302WU module is grounded, the 4 terminal of the MIC29302WU module is electrically connected with the 5 terminal of the MIC29302WU module through a set of resistors R66, the 5 terminal of the MIC29302WU module is electrically connected with one end of a resistor R69, and the other end of the resistor R69 is grounded.

Preferably, a pole capacitor, a capacitor and a Schottky diode are electrically connected with a 4-terminal of the MIC29302WU module.

Preferably, the UART serial port module and the general I2C module are electrically connected with a digital quantity temperature sensor, a humidity sensor, an industrial control type pressure module and a flow rate module.

The utility model has the advantages of:

the utility model provides a pair of show module is gathered to general type of low-power consumption, through with the lithium cell circuit energy supply, integrated UART module, I2C module and power battery controller communication to obtain various communication data in UART, the I2C interface. The power supply module is designed for preventing reverse connection, isolating and stabilizing the power supply and the like, so that the safe and stable work of the power supply module is ensured; the IO output module adopts a power output triode to ensure the requirement of sufficient output power; all interfaces of the external communication with the CPU microprocessor are isolated by the isolation module, so that the influence of the external environment on the acquisition module is effectively reduced, and the stability of the whole acquisition device is improved.

Drawings

Fig. 1 is a system diagram of a preferred embodiment of a low power consumption universal acquisition and presentation module according to the present invention;

fig. 2 is a circuit diagram of a power module according to a preferred embodiment of a low power consumption universal acquisition and display module of the present invention;

fig. 3 is a circuit diagram of a preferred embodiment of a low power consumption universal acquisition and display module according to the present invention;

fig. 4 is a serial port voltage conversion circuit diagram of a preferred embodiment of a low power consumption general type acquisition and display module according to the present invention;

fig. 5 is a circuit diagram of a general I2C module according to a preferred embodiment of the low power consumption general type acquisition and display module of the present invention.

Detailed Description

In order to make the technical solutions of the present invention clearer and clearer for those skilled in the art, the present invention will be described in further detail with reference to the following embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

As shown in fig. 1-5, the low-power consumption universal acquisition and display module provided in this embodiment includes a CPU, a memory, a USB interface, a UART serial port module, a SIM module, a communication I2C module, a power module, a display SPI module, and a camera module;

Through supplying energy with the lithium battery circuit, the integrated UART module, I2C module and power battery controller communication to obtain various communication data in UART, I2C interface. The power supply module is designed for preventing reverse connection, isolating and stabilizing the power supply and the like, so that the safe and stable work of the power supply module is ensured; the IO output module adopts a power output triode to ensure the requirement of sufficient output power; all interfaces of the external communication with the CPU microprocessor are isolated by the isolation module, so that the influence of the external environment on the acquisition module is effectively reduced, and the stability of the whole acquisition device is improved.

In this embodiment, the power module is of a MIC29302WU type, the output voltage of the power module is 4.16V, the load current peak value reaches 3A, and a voltage regulator tube is connected to the output end of the power module in a reserved manner.

In this embodiment, the 2 terminals of the MIC29302WU module are electrically connected to a set of active capacitances and a set of capacitances, and the 3 terminal of the MIC29302WU module is grounded, the 4 terminal of the MIC29302WU module is electrically connected to the 5 terminal of the MIC29302WU module through a set of resistors R66, the 5 terminal of the MIC29302WU module is electrically connected to one end of a resistor R69, and the other end of the resistor R69 is grounded.

The PWRKEY of the module is directly grounded so as to realize the function of automatic power-on and power-on. If the power-on and the power-on are needed, besides pulling down the PWRKEY, a VBUS pin is connected to a charger to trigger charging and the power-on, or a Schottky diode is added between the VBUS and the VBAT to trigger charging and the power-on, otherwise, after the lithium battery is over-discharged to cause module low-voltage shutdown, the voltage is still unstable when the lithium battery is recharged, and the module only detects one interruption of pulling down the PWRKEY, so that probabilistic power-on can not be realized. The addition of this schottky diode increases the standby current by about 0.6 mA.

In this embodiment, the MIC29302WU module has a pole capacitor, a capacitor, and a schottky diode electrically connected to its 4 terminals.

SPI module

The voltage of the SPI interface is 1.8V, if a peripheral of 3.3V/5V is required to be externally connected, a level conversion chip is required to be added, and the method is recommended to adopt

TXS0108E, 8-bit bidirectional voltage level shifter for TI, applicable to open drain and push-pull applications, maximum support rate:

push-pull: 110Mbps

Opening and leaking: 1.2Mbps

And outputting one path of SPI to a display screen through level conversion.

In this embodiment, the UART serial port module and the general I2C module are electrically connected to the digital temperature sensor, the humidity sensor, the industrial control pressure module, and the flow rate module.

The universal low-power-consumption universal acquisition and display end is the core of the whole universal IOT, the display end is communicated with a power battery controller through a UART module and an I2C module so as to obtain various communication data in the UART interface and the I2C interface, for example, digital quantity temperature output by a temperature sensor and digital quantity in a humidity sensor are important data such as values, industrial control pressure, flow rate and the like, so that data are collected for an IOT monitoring target, meanwhile, the data are sent to a display screen through the SPI, operation instructions of a monitoring platform can be received through the LTE CAT, such as timing reading and setting of periodic STRAT signals, and acquisition and input of the UART and the I2C can be read to a Nar Flash memory through program development and to a cloud through programming uploading.

Above, only the further embodiments of the present invention are shown, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can replace or change the technical solution and the concept of the present invention within the protection scope of the present invention.

Claims

1. The utility model provides a show module is gathered to low-power consumption general type which characterized in that: the universal serial bus communication system comprises a CPU (central processing unit), a memory, a USB (universal serial bus) interface, a UART (universal asynchronous receiver/transmitter) serial port module, an SIM (subscriber identity module), a communication I2C (inter-integrated circuit) module, a power supply module, a display screen SPI (serial peripheral interface) module and a camera module;

2. The low-power consumption universal acquisition and display module according to claim 1, wherein: the power supply module is MIC29302WU, the output voltage of the power supply module is 4.16V, the load current peak value reaches 3A, and a voltage stabilizing tube is connected to the output end of the power supply module in a reserved mode.

3. The low-power consumption universal acquisition and display module according to claim 2, wherein: the 2 terminals of the MIC29302WU module are electrically connected with a group of active capacitors and a group of capacitors, the 3 terminals of the MIC29302WU module are grounded, the 4 terminals of the MIC29302WU module and the 5 terminals of the MIC29302WU module are electrically connected with a group of resistors R66, the 5 terminals of the MIC29302WU module are electrically connected with one end of a resistor R69, and the other end of the resistor R69 is grounded.

4. The low-power consumption universal acquisition and display module according to claim 3, wherein: and the 4 terminals of the MIC29302WU module are electrically connected with a pole capacitor, a capacitor and a Schottky diode.

5. The low-power consumption universal acquisition and display module according to claim 4, wherein: the UART serial port module and the general I2C module are electrically connected with a digital quantity temperature sensor, a humidity sensor, an industrial control type pressure module and a flow rate module.