CN216017177U

CN216017177U - Wireless communication topological circuit

Info

Publication number: CN216017177U
Application number: CN202122633640.4U
Authority: CN
Inventors: 刘晓霞
Original assignee: Guangzhou Youke Technology Service Co ltd
Current assignee: Guangdong Xintuo Technology Co ltd
Priority date: 2021-10-31
Filing date: 2021-10-31
Publication date: 2022-03-11
Anticipated expiration: 2031-10-31

Abstract

The utility model discloses a wireless communication topology circuit, relate to wireless communication technical field, contain antenna ANT1, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5, electric capacity C6, resistance R1, resistance R2, inductance L1, inductance L2, chip U1, chip U2, chip U3, the VDD end, it chooses ESP8266 to use as the master control chip, change WIFI through the serial ports when using as communication module in addition and carry out data transmission with terminal equipment access internet, communication mode adopts basic network topological structure, ESP8266 is serial ports to wireless mode chip, inside is from taking the firmware, user operation is simple, need not to write time sequence signal etc.

Description

Wireless communication topological circuit

Technical Field

The utility model relates to a wireless communication technology field especially relates to a wireless communication topology circuit.

Background

With the rapid development of computer technology, communication and microelectronic technology, the internet of things industry is continuously developing and covers many fields, wherein the development of intelligent scenic spots and intelligent agriculture and home is particularly obvious in recent years.

The gateway is used as an important transfer component in an internet of things system, and the requirement on the gateway is higher and higher along with the development of the internet of things industry.

In electronic control, a WIFI function is increasingly used for wireless connection and corresponding functions, and the ESP8266 is a widely recognized chip with a WIFI interface, and it is necessary to use the good performance of the ESP8266 and the WIFI function to make a wireless positioning module with a wider application range.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that not enough to the background art provides a wireless communication topology circuit, it chooses for use ESP8266 as main control chip to use, changes WIFI through the serial ports when applying as communication module in addition and inserts terminal equipment into the internet and carry out data transmission, and communication mode adopts basic network topology, and ESP8266 is that the serial ports changes wireless mode chip, and inside is from taking the firmware, and user operation is simple, need not to compile time sequence signal etc..

The utility model discloses a solve above-mentioned technical problem and adopt following technical scheme:

a wireless communication topological circuit comprises an antenna ANT1, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a resistor R1, a resistor R2, an inductor L1, an inductor L2, a chip U1, a chip U2, a chip U3 and a VDD terminal,

wherein, the antenna ANT1 is connected to one end of the inductor L1 and one end of the capacitor C6, the other end of the inductor L1 is grounded, the other end of the capacitor C6 is connected to one end of the inductor L2 and the pin 2 of the chip U1, the other end of the inductor L1 is grounded, the pin 3 of the chip U1 and the pin 4 of the chip U1 are connected to one end of the capacitor C1, one end of the capacitor C1 and the VDD terminal, the other end of the capacitor C1 and the other end of the capacitor C1 are grounded, the pin 1 of the chip U1 is connected to one end of the capacitor C1, the VDD terminal, the pin 30 of the chip U1 and the pin 29 of the chip U1, the other end of the capacitor C1 is grounded, the pin 31 of the chip U1 is connected to one end of the resistor R1, the other end of the resistor R1 is grounded, the pin 28 of the chip U1 is connected to one end of the capacitor C1 and the pin 1, the pin of the chip U1 is connected to the ground, the pin 1 is connected to the pin 1 of the chip U1 and the pin 1, the other end of the capacitor C2 is grounded, a pin 18 of the chip U1 is connected with a pin 7 of the chip U3, a pin 19 of the chip U1 is connected with a pin 3 of the chip U3, a pin 20 of the chip U1 is connected with a pin 1 of the chip U3, a pin 21 of the chip U1 is connected with a pin 6 of the chip U3 through a resistor R2, a pin 22 of the chip U1 is connected with a pin 2 of the chip U3, a pin 23 of the chip U1 is connected with a pin 5 of the chip U3, and a pin 17 of the chip U1 is respectively connected with a pin 11 and a VDD end of the chip U1.

As a further preferable solution of the wireless communication topology circuit of the present invention, the chip model of the chip U1 is ESP8266 EX.

As a further preferred embodiment of the wireless communication topology circuit of the present invention, the chip model of the chip U3 is SPIFLASH.

As a further preferable solution of the wireless communication topology circuit of the present invention, the resistance of the resistor R1 is 12 kilo-ohms.

As a further preferable solution of the wireless communication topology circuit of the present invention, the resistance of the resistor R2 is 200 kilo-ohms.

As a further preferred embodiment of the wireless communication topology circuit of the present invention, the capacitance value of the capacitor C1 is 10 pF.

As a further preferred embodiment of the wireless communication topology circuit of the present invention, the capacitance value of the capacitor C2 is 10 pF.

As a further preferable solution of the wireless communication topology circuit of the present invention, the capacitance value of the capacitor C3 is 10 uF.

The utility model adopts the above technical scheme to compare with prior art, have following technological effect:

the utility model relates to a wireless communication topology circuit, contain antenna ANT1, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5, electric capacity C6, resistance R1, resistance R2, inductance L1, inductance L2, chip U1, chip U2, chip U3, VDD holds, it chooses ESP8266 to use as main control chip for use, change WIFI through the serial ports when using as communication module in addition and carry out data transmission with terminal equipment access internet, communication mode adopts basic network topological structure, ESP8266 is serial ports to wireless mode chip, inside is from taking the firmware, user operation is simple, need not to write time sequence signal etc..

Drawings

Fig. 1 is a circuit diagram of a wireless communication topology circuit according to the present invention.

Detailed Description

The technical scheme of the utility model is further explained in detail with the attached drawings as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

A wireless communication topological circuit is shown in FIG. 1 and comprises an antenna ANT1, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a resistor R1, a resistor R2, an inductor L1, an inductor L2, a chip U1, a chip U2, a chip U3 and a VDD terminal,

Preferably, the chip model of the chip U1 is ESP8266 EX.

Preferably, the chip model of the chip U3 is SPIFLASH.

Preferably, the resistance value of the resistor R1 is 12 kilo-ohms.

Preferably, the resistance value of the resistor R2 is 200 kilo-ohms.

Preferably, the capacitance value of the capacitor C1 is 10 pF.

Preferably, the capacitance value of the capacitor C2 is 10 pF.

Preferably, the capacitance value of the capacitor C3 is 10 uF.

The utility model discloses choose ESP8266 to use as main control chip, change WIFI through the serial ports when using as communication module in addition and insert the internet with terminal equipment and carry out data transmission, communication mode adopts basic network topology, and ESP8266 is serial ports change wireless mould chip, and inside is from taking the firmware, and user operation is simple, need not to write sequential signal etc..

ESP8266 is a complete and self-organizing Wi-Fi network solution, capable of hosting software applications, or offloading all Wi-Fi network functions through another application processor.

ESP8266 can be booted directly from the external flash memory when it is hosting an application and acting as the only application processor in the device. The built-in cache memory is beneficial for improving system performance and reducing memory requirements.

The powerful on-chip processing and storage capability of the ESP8266 enables the sensor and other application specific devices to be integrated through the GPIO port, thereby realizing minimum occupation of system resources in minimum early development and operation.

ESP8266 is highly integrated on-chip, including antenna switches, power management converters, so that very little external circuitry is required, and the entire solution, including the front-end module, is designed to minimize the PCB space occupied.

Built-in low-power 32-bit CPU which can be used as an application processor;

a built-in 10bit high-precision ADC;

built-in TCP/IP protocol stack;

built-in TR switch, balun, LNA, power amplifier and matching network;

built-in PLL, voltage regulator and power management components;

antenna diversity is supported.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. A wireless communication topology circuit, characterized in that: comprises an antenna ANT1, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a resistor R1, a resistor R2, an inductor L1, an inductor L2, a chip U1, a chip U2, a chip U3 and a VDD terminal,

2. The wireless communication topology circuit of claim 1, wherein: the chip model number of the chip U1 is ESP8266 EX.

3. The wireless communication topology circuit of claim 1, wherein: the chip model of the chip U3 is SPIFLASH.

4. The wireless communication topology circuit of claim 1, wherein: the resistance of the resistor R1 is 12 kilo-ohms.

5. The wireless communication topology circuit of claim 1, wherein: the resistance of the resistor R2 is 200 kilo-ohms.

6. The wireless communication topology circuit of claim 1, wherein: the capacitance value of the capacitor C1 is 10 pF.

7. The wireless communication topology circuit of claim 1, wherein: the capacitance value of the capacitor C2 is 10 pF.

8. The wireless communication topology circuit of claim 1, wherein: the capacitance value of the capacitor C3 is 10 uF.