Low-power-consumption acquisition board

Abstract

The utility model discloses a low power consumption acquisition board, which comprises a substrate, the top of the substrate is electrically connected with an Air780E low power consumption processing chip, the Air780E low power consumption processing chip 1 is electrically connected with a Cortex-M0 low power consumption small core, the Air780E low power consumption processing chip is electrically connected with a charging management chip, and the Cortex-M0 low power consumption small core is electrically connected with the Cortex-M0 low power consumption small core. The charging management chip is electrically connected with the low-conduction voltage drop Schottky diode, the low-conduction voltage drop Schottky diode is electrically connected with the external power interface, the low-power-consumption electronic equipment relates to the technical field of low-power-consumption electronic equipment, on-off control over a specific circuit is achieved through the on-off control function of a triode, power consumption is further reduced, and the charging management chip is connected with a linear voltage stabilizing chip. And the linear voltage-stabilizing chip provides stable working voltage, so that the normal operation of the chip is ensured, and meanwhile, the power consumption increase caused by voltage fluctuation is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of low-power electronic equipment, in particular to a low-power acquisition board. Background Art

[0002] With the continuous development of science and technology, the demand for data acquisition in various fields is growing. However, existing data acquisition devices often have the problem of high power consumption. This not only increases energy consumption but also brings many inconveniences in some specific application scenarios, such as field monitoring and portable equipment. Therefore, the development of a low-power data acquisition board has become an urgent need. Utility Model Content

[0003] The purpose of the present invention is to provide a low-power acquisition board to solve the problems raised in the above background technology.

[0004] To achieve the above objectives, the present invention provides the following technical solutions:

[0005] A low-power acquisition board includes a substrate, the top of the substrate is electrically connected to an Air780E low-power processing chip, the Air780E low-power processing chip 1 is electrically connected to a Cortex-M0 low-power small core, the Air780E low-power processing chip is electrically connected to a charging management chip, the charging management chip is electrically connected to a low-conduction voltage drop Schottky diode, and the low-conduction voltage drop Schottky diode is electrically connected to an external power supply interface.

[0006] In a preferred embodiment of the present invention, a linear voltage regulator chip is electrically connected between the Air780E low-power processing chip and the charging management chip, and the Air780E low-power processing chip is electrically connected to an NPN transistor.

[0007] In a preferred embodiment of the present invention, the Air780E low-power processing chip is electrically connected to a Nano SIM card holder, and the Nano SIM card holder is used to install a SIM card to obtain wireless signals.

[0008] In a preferred embodiment of the present invention, the Air780E low-power processing chip is electrically connected to the RS-485 communication interface, and the input end of the RS-485 communication interface is electrically connected to a unidirectional four-channel transient suppression diode.

[0009] In a preferred embodiment of the present invention, the Air780E low-power processing chip is electrically connected to the RS-485 data transceiver chip, and the RS-485 data transceiver chip is electrically connected to the RS-485 communication interface.

[0010] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention.

[0011] 1. The Air780E low-power processing chip is connected to the Cortex-M0 low-power small core. The two work together to improve data processing efficiency and low-power performance. It is connected to an NPN transistor. Through the transistor's on-off control function, it can achieve on-off control of specific circuits, further reducing power consumption. It is also connected to a linear voltage regulator chip, which provides a stable operating voltage for the chip, ensuring normal operation while reducing power consumption caused by voltage fluctuations.

[0012] 2. The linear voltage regulator chip is connected to the external power interface or charging management chip to provide a stable operating voltage for the entire acquisition board. The output is connected to the Air780E low-power processing chip, the Cortex-M0 low-power small core, and other modules that require a stable power supply. The linear voltage regulator chip and the charging management chip are connected to provide external power input for the acquisition board. At the same time, they are connected to other circuit parts through low-conduction voltage drop Schottky diodes to ensure stable power input and low power consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0014] Figure 1 This is a schematic diagram of the connection structure of various components in a low-power acquisition board.

[0015] In the figure: Air780E low-power processing chip 1, Cortex-M0 low-power small core 2, RS-485 communication interface 3, unidirectional four-channel transient suppression diode 4, Nano SIM card holder 5, NPN transistor 6, RS-485 data transceiver chip 7, charging management chip 8, external power interface 9, low conduction voltage drop Schottky diode 10, linear voltage regulator chip 11. DETAILED DESCRIPTION

[0016] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0017] Example 1: Figure 1, including a substrate, the top of which is electrically connected to an Air780E low-power processing chip 1, the Air780E low-power processing chip 1 is electrically connected to a Cortex-M0 low-power small core 2, the Air780E low-power processing chip 1 is electrically connected to a charging management chip 8, the charging management chip 8 is electrically connected to a low-conduction voltage drop Schottky diode 10, and the low-conduction voltage drop Schottky diode 10 is electrically connected to an external power interface 9.

[0018] The specific usage scenario of this embodiment is: the substrate is a circuit board for installing various electronic components, with the Air780E low-power processing chip 1 as the core, connecting various functional modules to jointly realize low-power data acquisition and transmission functions.

[0019] Example 2: Figure 1 A linear voltage regulator chip 11 is electrically connected between the Air780E low-power processing chip 1 and the charging management chip 8, and the Air780E low-power processing chip 1 is electrically connected to the NPN transistor 6.

[0020] The specific usage scenario of this embodiment is as follows: the charging management chip 8 is TP4056. The charging management chip 8 is connected to the external power interface and the battery inside the acquisition board to power the acquisition board on the one hand and manage the battery charging process on the other hand. It communicates with the Air780E low-power processing chip 1 to monitor and control the charging status. The linear voltage regulator chip 11 is LM317.

[0021] Example 3: Figure 1 The Air780E low-power processing chip 1 is electrically connected to the Nano SIM card holder 5, and the Nano SIM card holder 5 is used to install a SIM card to obtain wireless signals.

[0022] The specific usage scenario of this embodiment is: the Nano SIM card holder 5 is directly connected to the Air780E low-power processing chip 1 to expand the communication function of the acquisition board, and mobile network communication can be performed through the SIM card.

[0023] Example 4: Figure 1 The Air780E low-power processing chip 1 is electrically connected to the RS-485 communication interface 3, the input end of the RS-485 communication interface 3 is electrically connected to the unidirectional four-channel transient suppression diode 4, the Air780E low-power processing chip 1 is electrically connected to the RS-485 data transceiver chip 7, and the RS-485 data transceiver chip 7 and the RS-485 communication interface 3 are electrically connected.

[0024] The specific usage scenario of this embodiment is as follows: the RS-485 communication interface 3 is driven by the RS-485 data transceiver chip 7 to communicate data with external devices. The RS-485 data transceiver chip 7 is connected to the Air780E low-power processing chip 1 to receive and send data. The unidirectional four-channel transient suppression diode 4 is connected to each interface and circuit node susceptible to transient voltage interference, such as the external power supply interface 9 and the RS-485 communication interface 3, to protect the acquisition board from damage by transient voltage.

[0025] The working principle of the utility model is as follows: the Air780E low-power processing chip 1 is connected to the Cortex-M0 low-power small core 2, and the Air780E low-power processing chip 1 and the Cortex-M0 low-power small core 2 work together to improve the efficiency of data processing and low-power performance;

[0026] The Air780E low-power processing chip 1 is connected to the NPN transistor 6. Through the switch control function of the NPN transistor 6, the on-off control of the circuit is realized, further reducing power consumption;

[0027] Connect the linear voltage regulator chip 11, which provides a stable operating voltage for the Air780E low-power processing chip 1, ensuring the normal operation of the Air780E low-power processing chip 1 while reducing the power consumption increase caused by voltage fluctuations;

[0028] The Air780E low-power processing chip 1 is connected to the RS-485 data transceiver chip 7 to communicate with the RS-485 communication interface 3 of the external device to send and receive data;

[0029] Connect the charging management chip 8. When an external power supply is connected, the charging management chip 8 not only supplies power to the entire acquisition board, but also works in conjunction with the low-power processing chip to monitor and manage the battery charging status.

[0030] The NPN transistor 6 acts as a switch in the circuit, connecting or disconnecting specific circuit branches according to the control signal of the low-power processing chip to reduce unnecessary power consumption;

[0031] The Cortex-M0 low-power core 2 works closely with the Air780E low-power processing chip 1 to share some data processing tasks, improving processing efficiency while reducing overall power consumption;

[0032] Low forward voltage drop Schottky diode 10: connected to the power supply line. The low forward voltage drop characteristic of the low forward voltage drop Schottky diode 10 can reduce energy loss during power transmission and reduce power consumption. It is connected between the charging management chip 8 and the external power interface 9;

[0033] The Nano SIM card holder 5 is connected to the Air780E low-power processing chip 1 to expand the communication function of the acquisition board and enable mobile network communication through the SIM card.

[0034] The RS-485 communication interface 3 is driven by the RS-485 data transceiver chip 7 to communicate with external devices. The RS-485 data transceiver chip 7 is connected to the Air780E low-power processing chip 1 to receive and send data.

[0035] The unidirectional four-channel transient suppression diode 4 is connected to each interface and circuit node susceptible to transient voltage interference to protect the acquisition board from damage by transient voltage;

[0036] One end of the RS-485 data transceiver chip 7 is connected to the Air780E low-power processing chip 1, receives data from the Air780E low-power processing chip 1 and sends it, and at the same time receives data from the external RS-485 communication interface 3 device and transmits it to the processing chip. The linear voltage regulator chip 11 is connected to the external power interface or the charging management chip to provide a stable operating voltage for the entire acquisition board. The output of the linear voltage regulator chip 11 is connected to the Air780E low-power processing chip 1, the Cortex-M0 low-power small core 2 and other modules that require a stable power supply. The charging management chip 8 is connected to the external power interface and the battery inside the acquisition board. On the one hand, it powers the acquisition board, and on the other hand, it manages the battery charging process and communicates with the Air780E low-power processing chip to monitor and control the charging status. The external power interface 9 is connected to the linear voltage regulator chip 11 and the charging management chip 8 to provide external power input for the acquisition board. At the same time, it is connected to other circuit parts through a low-conduction voltage drop Schottky diode 10 to ensure stable power input and low power consumption.

[0037] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A low-power acquisition board, comprising a substrate, the top of which is electrically connected to an Air780E low-power processing chip (1), characterized in that: The Air780E low-power processing chip (1) is electrically connected to the Cortex-M0 low-power small core (2), the Air780E low-power processing chip (1) is electrically connected to a charging management chip (8), the charging management chip (8) is electrically connected to a low-conduction voltage drop Schottky diode (10), and the low-conduction voltage drop Schottky diode (10) is electrically connected to an external power interface (9).

2. A low-power acquisition board according to claim 1, characterized in that: A linear voltage regulator chip (11) is electrically connected between the Air780E low-power processing chip (1) and the charging management chip (8), and the Air780E low-power processing chip (1) is electrically connected to the NPN transistor (6).

3. A low-power acquisition board according to claim 1, characterized in that: The Air780E low-power processing chip (1) is electrically connected to a Nano SIM card holder (5), and the Nano SIM card holder (5) is used to install a SIM card to obtain wireless signals.

4. A low-power acquisition board according to claim 1, characterized in that: The Air780E low-power processing chip (1) is electrically connected to the RS-485 communication interface (3), and the input end of the RS-485 communication interface (3) is electrically connected to the unidirectional four-channel transient suppression diode (4).

5. A low-power acquisition board according to claim 4, characterized in that: The Air780E low-power processing chip (1) is electrically connected to the RS-485 data transceiver chip (7), and the RS-485 data transceiver chip (7) is electrically connected to the RS-485 communication interface (3).

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