CN217216577U

CN217216577U - Bluetooth transparent transmission module system

Info

Publication number: CN217216577U
Application number: CN202221771593.8U
Authority: CN
Inventors: 范兵
Original assignee: Sichuan Rongxuntong Technology Co ltd
Current assignee: Sichuan Rongxuntong Technology Co ltd
Priority date: 2022-07-11
Filing date: 2022-07-11
Publication date: 2022-08-16
Anticipated expiration: 2032-07-11

Abstract

The utility model discloses a bluetooth passes module system thoroughly relates to low-power consumption bluetooth communication field, include: the Bluetooth master machine comprises a Bluetooth master machine, a Bluetooth slave machine, a master machine system device and a slave machine system device, wherein the output end of the Bluetooth master machine is provided with a USB interface, the Bluetooth master machine is connected with the master machine system device through the USB interface, and the output end of the Bluetooth slave machine is provided with a pin header interface. The utility model discloses used CH9141 to be that a bluetooth serial ports passes through the chip, super strong calculation performance is provided, and have abundant interface, thereby the highest speed is up to 10+ KB per second when accomplishing one-way wireless transmission, USB interface direct use is that the inside serial ports of singlechip pass through CH340 serial ports chip and computer lug connection, so can acquire more information, bluetooth module all is half-duplex communication mode usually, the device has realized similar full-duplex communication mode through the mode of software buffer memory.

Description

Bluetooth transparent transmission module system

Technical Field

The utility model relates to a bluetooth low energy communication field specifically is a bluetooth passes module system thoroughly.

Background

The 2.4GHz wireless technology is a short-range wireless transmission technology. 2.4GHz indicates that the frequency of a wireless signal is 2400MHz, and 2.4GHz ISM (industrial Science Medicine) is a wireless frequency band which is publicly and commonly used all over the world, bluetooth technology works in the frequency band, is widely applied to the fields of household and business, and is used for short-distance wireless transmission and conduction, bluetooth is a radio technology which supports short-distance communication (generally within 10 m) of devices, can exchange wireless information among a plurality of devices including mobile phones, PDAs, wireless headsets, notebook computers, related peripherals and the like, and by using the bluetooth technology, communication between mobile communication terminal devices can be effectively simplified, and communication between the devices and the Internet can also be successfully simplified, so that data transmission becomes faster and more efficient, and a road is widened for wireless communication.

However, in the process of using the bluetooth communication at present, the number of modules for converting the bluetooth communication into serial port output is not large, most of transmission speeds are low, and the characteristic of high bluetooth speed is not fully exerted, so that the bluetooth transparent transmission module system is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems that the existing module for converting the Bluetooth communication into the serial port output is not many, most of transmission speeds are low, and the characteristic of high Bluetooth speed is not fully exerted, a Bluetooth transparent transmission module system is provided.

In order to achieve the above object, the utility model provides a following technical scheme: a bluetooth pass-through module system comprising: the Bluetooth slave machine is connected with the slave machine system equipment through the pin arrangement interface, and is wirelessly connected with the Bluetooth slave machine through a Bluetooth transmission protocol.

As a further aspect of the present invention: the Bluetooth host comprises a first voltage stabilizing chip, a first indicator lamp, a first Bluetooth chip and a first key, wherein the USB interface is electrically connected with the first voltage stabilizing chip, and the first voltage stabilizing chip is electrically connected with the first Bluetooth chip.

As a further aspect of the present invention: the Bluetooth slave machine comprises a second voltage stabilizing chip, a second indicator light, a second Bluetooth chip and a second key, the pin header interface is electrically connected with the second voltage stabilizing chip, and the second voltage stabilizing chip is electrically connected with the second Bluetooth chip.

As a further aspect of the present invention: the first Bluetooth chip is electrically connected with the first key and the first indicator light respectively.

As the utility model discloses further scheme again: the second Bluetooth chip is electrically connected with the second key and the second indicator light respectively.

As a further aspect of the present invention: serial ports are arranged in the host system equipment and the slave system equipment, the serial port of the host system equipment is connected with the USB interface, and the serial port of the slave system equipment is connected with the pin header interface.

Compared with the prior art, the beneficial effects of the utility model are that:

the CH9141 is a Bluetooth serial port transparent transmission chip, ultra-strong calculation performance is provided, and rich interfaces are provided, so that the highest speed is up to 10+ KB per second when unidirectional wireless transmission is achieved, the USB interface directly uses the serial port inside the single chip microcomputer and is directly connected with a computer through the CH340 serial port chip, more information can be obtained, the Bluetooth module is usually a half-duplex communication mode, and the device realizes a full-duplex communication mode through a software cache mode.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

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.

Referring to fig. 1, in an embodiment of the present invention, a bluetooth transparent module system includes: the Bluetooth master machine is connected with the master machine system equipment through the USB interface, the output end of the Bluetooth slave machine is provided with a pin header interface, the Bluetooth slave machine is connected with the slave machine system equipment through the pin header interface, and the Bluetooth master machine is in wireless connection with the Bluetooth slave machine through a Bluetooth transmission protocol; serial ports are arranged in the host system equipment and the slave system equipment, the serial port of the host system equipment is connected with the USB interface, and the serial port of the slave system equipment is connected with the pin header interface.

In this embodiment: the USB interface directly uses the serial port inside the singlechip to be directly connected with the computer through a CH340 serial port chip, so more information can be obtained, the Bluetooth module is usually in a half-duplex communication mode, and the device realizes a full-duplex communication mode through a software cache mode.

Please refer to fig. 1, the bluetooth host includes a first voltage stabilizing chip, a first indicator light, a first bluetooth chip and a first key, the USB interface is electrically connected to the first voltage stabilizing chip, and the first voltage stabilizing chip is electrically connected to the first bluetooth chip.

In this embodiment: the first Bluetooth chip can adopt a CH9141 chip, the CH9141 chip is a Bluetooth serial port transparent chip, the chip supports a broadcasting mode, a host mode and a slave mode, the host and the slave can be changed by setting, supports Bluetooth BLE4.2, supports serial port AT configuration and Bluetooth communication configuration in the slave mode, supports MODEM communication signals, provides general GPIO, synchronous GPIO and ADC acquisition functions, has a highest serial port baud rate of 1Mbps, can set parameters such as Bluetooth names and manufacturer information in the Bluetooth slave mode, can be easily configured by APP or serial port commands, is convenient and quick, the Bluetooth host can carry out data transmission operation with host system equipment through a USB interface, the USB interface sends data to the first Bluetooth chip after receiving the data of the host system equipment, the first Bluetooth chip transmits the data to the Bluetooth slave through a Bluetooth protocol and transmits the data to the slave system equipment through the slave Bluetooth, similarly, after the first Bluetooth chip receives data sent by the Bluetooth slave machine, the first Bluetooth chip sends the data through the USB interface, a user can receive the data through any serial assistant, and the USB interface uses a serial port inside the single chip microcomputer and is directly connected with a computer through a CH340 serial port chip, so that more information can be acquired.

Please refer to fig. 1, the bluetooth slave includes a second voltage stabilizing chip, a second indicator light, a second bluetooth chip and a second key, the pin header interface is electrically connected to the second voltage stabilizing chip, and the second voltage stabilizing chip is electrically connected to the second bluetooth chip.

In this embodiment: the second Bluetooth chip also adopts a CH9141 chip, a Bluetooth slave machine can perform data transmission with slave machine system equipment through a pin header interface, the pin header interface sends data to the second Bluetooth chip after receiving internal data of the slave machine system equipment, the second Bluetooth chip transmits the data to the Bluetooth host machine through a Bluetooth protocol, and when the second Bluetooth chip receives the data sent by the Bluetooth host machine, the slave machine system equipment can read the data back and send the data out through a serial port, and a user can receive the data through the serial port.

Please refer to fig. 1, the first bluetooth chip is electrically connected to the first button and the first indicator light, respectively.

In this embodiment: when the USB interface is connected with the host system equipment, the Bluetooth host is powered on, the first indicator lamp emits light after being powered on, the first indicator lamp emits light normally, the power supply of the Bluetooth host is normal, the first indicator lamp is not normally turned on, the hardware of the Bluetooth host can be damaged, or the power supply system breaks down, and the working mode of the first Bluetooth chip can be controlled through the first key.

Please refer to fig. 1, the second bluetooth chip is electrically connected to the second button and the second indicator light, respectively.

In this embodiment: when the pin header interface is connected with the slave system equipment, the Bluetooth slave machine is powered on, the second indicator lamp emits light after being powered on, the second indicator lamp emits light normally, the power supply of the Bluetooth slave machine is normal, if the second indicator lamp is not normally turned on, the hardware of the Bluetooth slave machine is possibly damaged, or the power supply system is in failure, and the working mode of the second Bluetooth chip can be controlled through the second key.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A Bluetooth transparent transmission module system is characterized by comprising: the Bluetooth slave machine comprises a main control module, a power supply module, a radio frequency module, a verification module, a storage module, a Bluetooth host machine and a Bluetooth slave machine, wherein the main control module is connected with the power supply module through a switch, the main control module is respectively connected with the verification module, the storage module, the Bluetooth host machine and a port corresponding to the Bluetooth slave machine, one end of the verification module is connected with the radio frequency module and used for receiving or sending Bluetooth information, the output end of the Bluetooth host machine is provided with a USB interface, the output end of the Bluetooth slave machine is provided with a pin header interface, and the Bluetooth host machine and the Bluetooth slave machine are wirelessly connected through Bluetooth.

2. The bluetooth transparent transmission module system according to claim 1, further comprising a host system device and a slave system device, wherein the bluetooth host is connected to the host system device through the USB interface, and the bluetooth slave is connected to the slave system device through the pin header interface.

3. The bluetooth module system according to claim 1, wherein the bluetooth host comprises a first voltage regulator chip, a first indicator light, a first bluetooth chip and a first key, the USB interface is electrically connected to the first voltage regulator chip, and the first voltage regulator chip is electrically connected to the first bluetooth chip.

4. The bluetooth transparent transmission module system according to claim 1, wherein the bluetooth slave comprises a second voltage stabilizing chip, a second indicator light, a second bluetooth chip and a second key, the pin header is electrically connected to the second voltage stabilizing chip, and the second voltage stabilizing chip is electrically connected to the second bluetooth chip.

5. The bluetooth module system that passes through of claim 3, characterized in that, the first bluetooth chip is respectively with first button and the first pilot lamp electrical connection.

6. The system according to claim 4, wherein the second Bluetooth chip is electrically connected to the second button and the second indicator light, respectively.

7. The bluetooth transparent transmission module system according to claim 2, wherein serial ports are disposed inside the host system device and the slave system device, the serial port of the host system device is connected to the USB interface, and the serial port of the slave system device is connected to the pin header interface.

8. The bluetooth module system according to claim 1, wherein the verification module comprises a detection unit for checking the data transmitted by the rf module.