CN213717967U

CN213717967U - Communication circuit for increasing wireless signal transmission distance

Info

Publication number: CN213717967U
Application number: CN202023323841.6U
Authority: CN
Inventors: 刘鹏; 江冠华; 孙波
Original assignee: Suzhou Jingyuanchuang Intelligent Technology Co ltd
Current assignee: Suzhou Jingyuanchuang Intelligent Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-07-16
Anticipated expiration: 2030-12-31

Abstract

The application provides a communication circuit for increasing the transmission distance of wireless signals, which can increase the transmission distance of wireless communication signals and has low cost; the communication circuit for increasing the transmission distance of the wireless signal comprises: external terminal J2, 2.4G chip circuit and signal amplification circuit, external terminal J2 is connected with 2.4G chip circuit and signal amplification circuit's input, 2.4G chip circuit's output is connected with signal amplification circuit's input, signal amplification circuit's output and antenna E1 are connected, external element passes through external terminal J2 and connects, control 2.4G chip circuit and signal amplification circuit output communication signal, wherein, the communication signal of 2.4G chip circuit output increases communication signal's transmission distance after signal amplification circuit enlargies communication signal.

Description

Communication circuit for increasing wireless signal transmission distance

Technical Field

The utility model relates to an electricity field, more specifically relates to an increase communication circuit of wireless signal transmission distance.

Background

With the overall development of the economic society and the gradual improvement of the living standard of people, the intelligent electric appliance gradually goes deep into the aspects of the life of people, such as: intelligent robot equipment such as a sweeping robot, an express robot, a catering robot and the like and intelligent household appliances.

The intelligence electrical apparatus needs to pass through wireless transmission circuit with signal transmission to terminal equipment, and wireless transmission includes: WIFI communication, Bluetooth communication, 2.4G communication, Zigbee communication, Z-wave communication, 433M communication and the like, wherein the 2.4G wireless communication is a wireless transmission technology emerging in recent years, and the frequency band is free of authorization and free of charge in most countries, so that the wireless communication band is widely applied to the wireless field.

However, the propagation distance of wireless signals in the current 2.4G communication circuit is short, which limits the development and application of the 2.4G communication circuit.

In view of this, the present invention provides a communication circuit capable of increasing the transmission distance of wireless communication signals, and the cost is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an increase wireless signal transmission distance's communication circuit can increase wireless communication signal's transmission distance to it is with low costs.

A communication circuit for increasing the transmission distance of a wireless signal, comprising: external terminal J2, 2.4G chip circuit and signal amplification circuit, external terminal J2 is connected with 2.4G chip circuit and signal amplification circuit's input, 2.4G chip circuit's output is connected with signal amplification circuit's input, signal amplification circuit's output and antenna E1 are connected, external element passes through external terminal J2 and connects, control 2.4G chip circuit and signal amplification circuit output communication signal, wherein, the communication signal of 2.4G chip circuit output increases communication signal's transmission distance after signal amplification circuit enlargies communication signal.

In some embodiments, the pin 9 of the external terminal J2 is connected to the pin 5 of the FEM chip U4 of the signal amplification circuit, and the pin 10 of the external terminal J2 is connected to the pin 6 of the FEM chip U4 of the signal amplification circuit.

Further, pin 2 of the external terminal J2 is connected to pin 3 of the 2.4G chip U2 of the 2.4G chip circuit, pin 3 of the external terminal J2 is connected to pin 13 of the 2.4G chip U2, pin 4 of the external terminal J2 is connected to pin 14 of the 2.4G chip U2, pin 5 of the external terminal J2 is connected to pin 15 of the 2.4G chip U2, pin 6 of the external terminal J2 is connected to pin 1 of the 2.4G chip U2, and pin 7 of the external terminal J2 is connected to pin 16 of the 2.4G chip U2.

Furthermore,

pins

1 and 13 of the external terminal J2 are grounded, pin 8 of the external terminal J2 is connected with a power supply, and the voltage of the power supply is 3V.

In some embodiments, the 1 pin connection resistor R1 of the 2.4G chip U2 of the 2.4G chip circuit is further connected to the 6 pin of J2, the 16 pin connection resistor R2 of the 2.4G chip U2 is further connected to the 7 pin of the external terminal J2, the 15 pin connection resistor R3 of the 2.4G chip U2 is further connected to the 5 pin of the external terminal J2, the 14 pin connection resistor R4 of the 2.4G chip U2 is further connected to the 4 pin of the external terminal J2, the 13 pin connection resistor R5 of the 2.4G chip U2 is further connected to the 3 pin of the external terminal J2, and the resistor R1, the resistor R2, the resistor R3, the resistor R4 and the resistor R5 all play a role in current limiting.

Furthermore,

pins

2, 8, 9, 4 and 11 of the 2.4G chip U2 are grounded, pin 4 of the 2.4G chip U2 is connected to the capacitor C1, the capacitor C1 is grounded, pin 11 of the 2.4G chip U2 is connected to the capacitor C3, the capacitor C3 is grounded, and the capacitor C1 and the capacitor C3 play a role in filtering.

Further, the 5 pin of the 2.4G chip U2 is connected with the 6 pin of the 2.4G chip U2 through the crystal oscillator Y1.

In some embodiments, the 4 pins of the FEM chip U4 of the signal amplifying circuit are connected to the 10 pins of the output pin of the 2.4G chip U2, the 10 pins of the 2.4G chip U2 are connected to the capacitor C9 and then connected to the 4 pins of the FEM chip U4, the capacitor C9 plays a role of filtering, the 5 pin connecting resistor R10 of the FEM chip U4 and the 6 pin connecting resistor R11 of the FEM chip U4 are further connected to the 9 pins and the 10 pins of the external terminal J2, and the resistor R10 and the resistor R11 play a role of limiting current.

Further, a pin 10 of an output pin of the FEM chip U4 is connected in series with the capacitor C6, the power impedance matching circuit and the wireless end impedance matching circuit, an output end of the wireless end impedance matching circuit is connected with a pin 2 of the antenna E1, and a pin 1 of the antenna E1 is grounded; the capacitor C6 is a blocking capacitor, the power impedance matching circuit is composed of an inductor L1, a capacitor C10 and a capacitor C11, the capacitor C10 and the capacitor C11 are grounded, the wireless end impedance matching circuit is composed of an inductor L2, a capacitor C12 and a capacitor C13, and the capacitor C12 and the capacitor C13 are grounded.

Furthermore, a pin 16 of the FEM chip U4 is connected with the capacitor C4 and then grounded, a pin 14 of the FEM chip U4 is connected with the capacitor C5 and then grounded, a pin 5 of the FEM chip U4 is connected with the capacitor C14 and then grounded, a pin 6 of the FEM chip U4 is connected with the capacitor C15 and then grounded, and the capacitor C4, the capacitor C5, the capacitor C14 and the capacitor C15 all play a role in filtering.

Further,

pins

1, 2, 3, 7, 8, 9, 11, 12 and 15 of the FEM chip U4 are grounded.

Drawings

Fig. 1 is a circuit diagram of an external terminal J2 of the communication circuit for increasing the transmission distance of wireless signals according to the present application.

Fig. 2 is a circuit diagram of a 2.4G chip circuit of the communication circuit for increasing the transmission distance of wireless signals.

Fig. 3 is a circuit diagram of a signal amplifying circuit of a communication circuit for increasing a wireless signal transmission distance according to the present application.

The drawings are described in detail below with reference to specific embodiments.

Detailed Description

The following examples are described to aid in the understanding of the present application and are not, and should not be construed to, limit the scope of the present application in any way.

In the following description, those skilled in the art will recognize that components may be described throughout this discussion as separate functional units (which may include sub-units), but those skilled in the art will recognize that various components or portions thereof may be divided into separate components or may be integrated together (including being integrated within a single system or component).

Also, connections between components or systems are not intended to be limited to direct connections, but rather, data between these components may be modified, reformatted, or otherwise changed by intervening components. Additionally, additional or fewer connections may be used. It should also be noted that the terms "coupled," "connected," or "input" should be understood to include direct connections, indirect connections through one or more intermediate devices, and wireless connections.

Example 1:

a communication circuit for increasing the transmission distance of wireless signals, as shown in fig. 1-3, comprising: external terminal J2, 2.4G chip circuit and signal amplification circuit, external terminal J2 is connected with 2.4G chip circuit and signal amplification circuit's input, 2.4G chip circuit's output is connected with signal amplification circuit's input, signal amplification circuit's output and antenna E1 are connected, external element passes through external terminal J2 and connects, control 2.4G chip circuit and signal amplification circuit output communication signal, wherein, the communication signal of 2.4G chip circuit output increases communication signal's transmission distance after signal amplification circuit enlargies communication signal.

The external terminal J2 has a pin 9 connected to the pin 5 of the FEM chip U4 of the signal amplifier circuit, and the external terminal J2 has a pin 10 connected to the pin 6 of the FEM chip U4 of the signal amplifier circuit. The pin 2 of the external terminal J2 is connected with the pin 3 of the 2.4G chip U2 of the 2.4G chip circuit, the pin 3 of the external terminal J2 is connected with the pin 13 of the 2.4G chip U2, the pin 4 of the external terminal J2 is connected with the pin 14 of the 2.4G chip U2, the pin 5 of the external terminal J2 is connected with the pin 15 of the 2.4G chip U2, the pin 6 of the external terminal J2 is connected with the pin 1 of the 2.4G chip U2, and the pin 7 of the external terminal J2 is connected with the pin 16 of the 2.4G chip U2. The

pins

1 and 13 of the external terminal J2 are grounded, the pin 8 of the external terminal J2 is connected with a power supply, and the voltage of the power supply is 3V.

The 1-pin connecting resistor R1 of the 2.4G chip U2 of the 2.4G chip circuit is connected with the 6 pin of the J2, the 16-pin connecting resistor R2 of the 2.4G chip U2 is connected with the 7 pin of the external terminal J2, the 15-pin connecting resistor R3 of the 2.4G chip U2 is connected with the 5 pin of the external terminal J2, the 14-pin connecting resistor R4 of the 2.4G chip U2 is connected with the 4 pin of the external terminal J2, the 13-pin connecting resistor R5 of the 2.4G chip U2 is connected with the 3 pin of the external terminal J2, and the resistor R1, the resistor R2, the resistor R3, the resistor R4 and the resistor R5 all play a role in limiting current. The pin 2, the pin 8, the pin 9, the pin 4 and the pin 11 of the 2.4G chip U2 are grounded, the pin 4 of the 2.4G chip U2 is connected with a capacitor C1, the capacitor C1 is grounded, the pin 11 of the 2.4G chip U2 is connected with a capacitor C3, the capacitor C3 is grounded, and the capacitor C1 and the capacitor C3 play a role in filtering. The 5 pins of the 2.4G chip U2 are connected with the 6 pins of the 2.4G chip U2 through a crystal oscillator Y1.

A pin 4 of an FEM chip U4 of the signal amplifying circuit is connected with a pin 10 of an output pin of a 2.4G chip U2, a pin 10 of a 2.4G chip U2 is connected with a capacitor C9 and then connected with a pin 4 of the FEM chip U4, the capacitor C9 plays a role in filtering, a pin 5 connecting resistor R10 of the FEM chip U4 and a pin 6 connecting resistor R11 of the FEM chip U4 are connected with a pin 9 and a pin 10 of an external terminal J2, and the resistor R10 and the resistor R11 play a role in limiting current. An output pin 10 of the FEM chip U4 is connected with the capacitor C6, the power impedance matching circuit and the wireless end impedance matching circuit in series, the output end of the wireless end impedance matching circuit is connected with a pin 2 of the antenna E1, and a pin 1 of the antenna E1 is grounded; the capacitor C6 is a blocking capacitor, the power impedance matching circuit is composed of an inductor L1, a capacitor C10 and a capacitor C11, the capacitor C10 and the capacitor C11 are grounded, the wireless end impedance matching circuit is composed of an inductor L2, a capacitor C12 and a capacitor C13, and the capacitor C12 and the capacitor C13 are grounded. A pin 16 of the FEM chip U4 is connected with the capacitor C4 and then grounded, a pin 14 of the FEM chip U4 is connected with the capacitor C5 and then grounded, a pin 5 of the FEM chip U4 is connected with the capacitor C14 and then grounded, a pin 6 of the FEM chip U4 is connected with the capacitor C15 and then grounded, and the capacitor C4, the capacitor C5, the capacitor C14 and the capacitor C15 all play a role in filtering.

Pins

1, 2, 3, 7, 8, 9, 11, 12 and 15 of the FEM chip U4 are grounded.

While various aspects and embodiments have been disclosed herein, it will be apparent to those skilled in the art that other aspects and embodiments can be made without departing from the spirit of the disclosure, and that several modifications and improvements can be made without departing from the spirit of the disclosure. The various aspects and embodiments disclosed herein are presented by way of example only and are not intended to limit the present disclosure, which is to be controlled in the spirit and scope of the appended claims.

Claims

1. A communication circuit for increasing a transmission distance of a wireless signal, comprising: external terminal J2, 2.4G chip circuit and signal amplification circuit, external terminal J2 is connected with 2.4G chip circuit and signal amplification circuit's input, 2.4G chip circuit's output is connected with signal amplification circuit's input, signal amplification circuit's output and antenna E1 are connected, external element passes through external terminal J2 and connects, control 2.4G chip circuit and signal amplification circuit output communication signal, wherein, the communication signal of 2.4G chip circuit output increases communication signal's transmission distance after signal amplification circuit enlargies communication signal.

2. The communication circuit for increasing the transmission distance of wireless signals according to claim 1, wherein the pin 9 of the external terminal J2 is connected to the pin 5 of the FEM chip U4 of the signal amplification circuit, and the pin 10 of the external terminal J2 is connected to the pin 6 of the FEM chip U4 of the signal amplification circuit.

3. The communication circuit for increasing the transmission distance of wireless signals according to claim 2, wherein the 2 pin of the external terminal J2 is connected to the 3 pin of the 2.4G chip U2 of the 2.4G chip circuit, the 3 pin of the external terminal J2 is connected to the 13 pin of the 2.4G chip U2, the 4 pin of the external terminal J2 is connected to the 14 pin of the 2.4G chip U2, the 5 pin of the external terminal J2 is connected to the 15 pin of the 2.4G chip U2, the 6 pin of the external terminal J2 is connected to the 1 pin of the 2.4G chip U2, and the 7 pin of the external terminal J2 is connected to the 16 pin of the 2.4G chip U2.

4. The communication circuit for increasing the transmission distance of wireless signals according to claim 3, wherein pins 1 and 13 of the external terminal J2 are grounded, and pin 8 of the external terminal J2 is connected to a power supply, and the voltage of the power supply is 3V.

5. The communication circuit for increasing the transmission distance of wireless signals according to claim 1, wherein the 1-pin connection resistor R1 of the 2.4G chip U2 of the 2.4G chip circuit is further connected to the 6-pin of J2, the 16-pin connection resistor R2 of the 2.4G chip U2 is further connected to the 7-pin of the external terminal J2, the 15-pin connection resistor R3 of the 2.4G chip U2 is further connected to the 5-pin of the external terminal J2, the 14-pin connection resistor R4 of the 2.4G chip U2 is further connected to the 4-pin of the external terminal J2, the 13-pin connection resistor R5 of the 2.4G chip U2 is further connected to the 3-pin of the external terminal J2, and the resistors R1, R2, R3, R4 and R5 all function to limit the current.

6. The communication circuit for increasing the transmission distance of wireless signals according to claim 5, wherein the pins 2, 8, 9, 4 and 11 of the chip U2 2.4G are grounded, the pin 4 of the chip U2 2.4G is connected to the capacitor C1, the capacitor C1 is grounded, the pin 11 of the chip U2 2.4G is connected to the capacitor C3, the capacitor C3 is grounded, the capacitor C1 and the capacitor C3 perform the filtering function, and the pin 5 of the chip U2 2.4G is connected to the pin 6 of the chip U2 through the crystal oscillator Y1.

7. The communication circuit for increasing the transmission distance of wireless signals according to claim 1, wherein the 4-pin of the FEM chip U4 of the signal amplifying circuit is connected to the 10-pin of the output pin of the 2.4G chip U2, the 10-pin connecting capacitor C9 of the 2.4G chip U2 is further connected to the 4-pin of the FEM chip U4, the capacitor C9 functions as a filter, the 5-pin connecting resistor R10 of the FEM chip U4 and the 6-pin connecting resistor R11 of the FEM chip U4 are further connected to the 9-pin and the 10-pin of the external terminal J2, and the resistor R10 and the resistor R11 function as a current limiter.

8. The communication circuit for increasing the transmission distance of wireless signals according to claim 7, wherein the pin 10 of the output pin of the FEM chip U4 is connected in series with the capacitor C6, the power impedance matching circuit and the wireless terminal impedance matching circuit, the output terminal of the wireless terminal impedance matching circuit is connected with the pin 2 of the antenna E1, and the pin 1 of the antenna E1 is grounded; the capacitor C6 is a blocking capacitor, the power impedance matching circuit is composed of an inductor L1, a capacitor C10 and a capacitor C11, the capacitor C10 and the capacitor C11 are grounded, the wireless end impedance matching circuit is composed of an inductor L2, a capacitor C12 and a capacitor C13, and the capacitor C12 and the capacitor C13 are grounded.

9. The communication circuit for increasing the transmission distance of wireless signals according to claim 8, wherein the pin 16 of the FEM chip U4 is connected to the capacitor C4 and then grounded, the pin 14 of the FEM chip U4 is connected to the capacitor C5 and then grounded, the pin 5 of the FEM chip U4 is connected to the capacitor C14 and then grounded, the pin 6 of the FEM chip U4 is connected to the capacitor C15 and then grounded, and the capacitor C4, the capacitor C5, the capacitor C14 and the capacitor C15 all function as a filter.

10. The communication circuit for increasing the transmission distance of wireless signals according to claim 9, wherein pins 1, 2, 3, 7, 8, 9, 11, 12 and 15 of the FEM chip U4 are grounded.