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Micro-embedded terminal for Internet of Things

An embedded terminal, Internet of Things technology, applied in general control systems, instruments, computer control, etc., can solve problems such as increasing capital investment, and achieve the effects of ensuring reliability, enriching communication interfaces, and facilitating networking

Inactive Publication Date: 2017-04-26
DALIAN EVERYDAY GOOD ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Obviously, doing so will increase their capital investment

Method used

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  • Micro-embedded terminal for Internet of Things
  • Micro-embedded terminal for Internet of Things
  • Micro-embedded terminal for Internet of Things

Examples

Experimental program
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Effect test

Embodiment 1

[0017] This embodiment provides a miniature embedded terminal that can be used in the Internet of Things, specifically including: an isolated power supply module, an rs485 communication interface, an rs485 isolator, an MCU, a digital isolator, a Darlington drive array, a switch output port, a wireless Networking module, serial expansion bus interface, bidirectional digital isolator, optocoupler isolator, switch value input port; said MCU is connected with rs485 isolator, digital isolator, bidirectional digital isolator, optocoupler isolator respectively, said The rs485 isolator is also connected with the rs485 communication interface, the input terminal of the Darlington drive array is connected with the digital isolator, and its output terminal is connected with the switch output port, and the bidirectional digital isolator is also connected with the wireless Internet of Things module, serial expansion The bus interface is connected; the output end of the switch value input po...

Embodiment 2

[0020] This embodiment supplements in detail embodiment 1:

[0021] Figure 5 The isolated power module is shown, the input is a wide voltage range of 10-30V, and there are 2 isolated outputs and 1 non-isolated output.

[0022] figure 2 Shown is the port allocation diagram of the MCU unit, IN0~IN7 are the input function ports, IN0~IN7 and image 3 The optocoupler isolator is connected; image 3 The 0805 LED in the middle is used as an input signal indicator, the 4.3K resistor acts as a current limiter, and the 1K resistor is an optocoupler leakage resistor, which is used to prevent the tiny leakage current at the input end from causing the optocoupler to be turned on incorrectly. A 0.01uF capacitor is used for input debounce. When DIn is at low level, the optocoupler is turned on so that INn is pulled low, and the low level is regarded as signal ON. figure 2 Among them, OUT0~OUT7 are output function ports, which are related to Figure 4 Connect to the corresponding por...

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Abstract

The invention discloses a micro-embedded terminal for Internet of Things. The micro-embedded terminal includes an isolated power supply module, a communication interface, an isolator, a MCU, a digital isolator, a drive array, a switching value output port, a wireless Internet of Things module, a serial expansion busbar interface, a bilateral digital isolator, an optical coupled isolator, and a switching value input port. The MCU is in separate connection to the isolator, the digital isolator, the bilateral digital isolator, and the optical coupled isolator. The isolator is also connected to the communication interface. The drive array has an input end which is connected to the digital isolator and also has an output end which is connected to the switching value output port. The bilateral digital isolator is also connected to the wireless Internet of Things module and the serial expansion busbar interface. The switching value input port has an output end which is connected to an input end of the optical coupled isolator. The isolated power supply module powers the terminal. According to the application, the terminal ensures the reliability of systematic work.

Description

technical field [0001] The invention belongs to the field of Internet of Things terminals and smart home, and specifically relates to a miniature embedded terminal applicable to the Internet of Things. Background technique [0002] Various existing embedded terminal devices are scattered in all walks of life, various fields, and various places. If all these devices are to be managed and maintained on site, the device manufacturer or device owner must send a lot of management personnel personnel. Obviously, doing so increases their capital investment. Although the remote management system will have a certain amount of investment in the initial construction, its operation and maintenance costs are relatively low, and it is still a more economical choice in the long run. The use of remote management technology can reduce management costs, improve management efficiency, and enhance management effects. Therefore, it is necessary to remotely manage some important embedded termin...

Claims

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Application Information

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IPC IPC(8): G05B19/042
CPCG05B19/0423G05B2219/25257
Inventor 张忠君宋作伟
Owner DALIAN EVERYDAY GOOD ELECTRONICS
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