CN220545005U

CN220545005U - WIFI Bluetooth module

Info

Publication number: CN220545005U
Application number: CN202322222514.9U
Authority: CN
Inventors: 康威
Original assignee: Shenzhen Jieke Digital Co ltd
Current assignee: Shenzhen Jieke Digital Co ltd
Priority date: 2023-08-17
Filing date: 2023-08-17
Publication date: 2024-02-27
Anticipated expiration: 2033-08-17

Abstract

The utility model relates to the technical field of Bluetooth modules, in particular to an external WIFI Bluetooth module which is convenient for adjusting the direction of the module, has small interference with a main board and can reduce the heat radiation load of the main board, wherein the WIFI Bluetooth module comprises a signal transmission main body, an electric connection interface and a signal output interface, and the signal transmission main body comprises an antenna for receiving and transmitting radio frequency signals, a wireless transceiver chip electrically connected with the antenna and used for modulating and demodulating antenna signals, and a power supply module electrically connected with the wireless transceiver chip; the power connection interface is electrically connected with the power supply module and is used for accessing an external power supply; the signal output interface is electrically connected with the wireless transceiver chip and is used for being connected with an external socket of the host.

Description

WIFI Bluetooth module

Technical Field

The utility model relates to the technical field of Bluetooth modules, in particular to a WIFI Bluetooth module.

Background

The Bluetooth module is a PCBA board integrated with a Bluetooth function and used for short-distance wireless communication, provides conditions for short-distance wireless transmission of signals, cancels the laying of cables and releases the limitation of the cable length on the signal transmission distance compared with wired transmission, and reduces the difficulty and cost of signal transmission. The traditional bluetooth module generally comprises transceiver chip, power module and antenna, and is integrated on the mainboard more, and bluetooth module's antenna overall arrangement and design often receive the influence of other functional module on the mainboard, also can influence the sensitive signal on the mainboard simultaneously in reverse. Because the Bluetooth module is fixed on the main board after design and shaping, the direction of the Bluetooth module cannot be adjusted according to the wireless signal strength of an actual use scene, so that better signal receiving performance is obtained; in addition, because the integrated module will produce heat when working, need to further adjust the heat dissipation design of mainboard, increased the design degree of difficulty of mainboard.

Disclosure of Invention

Accordingly, it is necessary to provide an external WIFI bluetooth module that is convenient for adjusting the module direction, has small interference with the motherboard, and can reduce the motherboard heat dissipation load.

A WIFI bluetooth module, comprising:

the signal transmission main body comprises an antenna for receiving and transmitting radio frequency signals, a wireless transceiver chip electrically connected with the antenna and used for modulating and demodulating the antenna signals, and a power supply module electrically connected with the wireless transceiver chip;

the power supply module is electrically connected with the power supply module and is used for supplying power to the external power supply; and

the signal output interface is electrically connected with the wireless receiving and transmitting chip and is used for being connected with an external socket of the host.

In one embodiment, the antenna, the wireless transceiver chip, and the power supply module are integrally packaged.

In one embodiment, the WIFI bluetooth module further includes a bluetooth housing, the antenna, the wireless transceiver chip, and the power supply module are encapsulated in the bluetooth housing, the connection line of the power connection interface penetrates through the bluetooth housing and is electrically connected with the power supply module, and the connection line of the signal output interface penetrates through the bluetooth housing and is electrically connected with the wireless transceiver chip.

In one embodiment, the electrical interface is a USB type a interface.

In one embodiment, the signal output interface is a USB type c interface.

In one embodiment, the signal output interface is a Micro USB interface.

In one embodiment, the signal output interface is a lighting interface.

In one embodiment, the power module is a power adapter.

In one embodiment, the signal transmission main body further comprises a crystal oscillator accommodated in the Bluetooth shell and electrically connected with the wireless transceiver chip.

According to the WIFI Bluetooth module, the signal transmission main body is connected between the electric interface and the signal output interface in series, the WIFI Bluetooth module is only required to be plugged into the external socket of the host through the signal output interface, bluetooth functions are provided for the main board, meanwhile, the WIFI Bluetooth module is arranged outside the WIFI Bluetooth module, the WIFI Bluetooth module is detachably connected with the main board, a user can conveniently adjust the direction of the WIFI Bluetooth module to obtain better signal receiving performance, meanwhile, the main board and the WIFI Bluetooth module are separated through the host shell, the mutual interference between the WIFI Bluetooth module and the main board is reduced, the WIFI Bluetooth module is arranged outside, the influence of heat generated during working of the WIFI Bluetooth module on the main board is reduced, the heat dissipation load of the main board is lightened, and the difficulty of heat dissipation design of the main board is reduced.

Drawings

Fig. 1 is a block diagram of a WIFI bluetooth module according to an embodiment of the utility model;

fig. 2 is a diagram illustrating a whole bluetooth module according to an embodiment of the present utility model;

fig. 3 is a schematic diagram of an application scenario of a WIFI bluetooth module according to an embodiment of the utility model.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

Referring to fig. 1-3, the present utility model discloses an external WIFI bluetooth module 10 that is convenient for adjusting the module direction, has small interference with the motherboard, and can reduce the heat dissipation load of the motherboard, where the WIFI bluetooth module 10 is externally hung on the host system through a signal output interface, so as to increase the physical distance from the sensitive signal of the motherboard, reduce the signal interference between the WIFI bluetooth module 10 and the functional components of the motherboard, and meanwhile, the external design can reduce the influence of the heat generated by the WIFI bluetooth module 10 on the motherboard, so as to facilitate optimizing the heat dissipation of the host system. The WIFI bluetooth module 10 includes a signal transmission main body 100, an electrical connection interface 200, and a signal output interface 300, where the signal transmission main body 100 is configured to provide a bluetooth communication function for a motherboard of a host system, and specifically, the signal transmission main body 100 receives a wireless signal and processes the wireless signal to obtain an electrical signal that can be recognized by the motherboard of the host system. The signal transmission body 100 includes an antenna 110 for receiving and transmitting radio frequency signals, a wireless transceiver chip 120 electrically connected to the antenna 110 and for modulating and demodulating signals of the antenna 110, and a power supply module 130 electrically connected to the wireless transceiver chip 120. The electrical interface 200 is electrically connected to the power supply module 130 and is used for accessing an external power source so as to provide power for the signal transmission body 100; the signal output interface 300 is electrically connected to the wireless transceiver chip 120 and is used for connecting to an external socket of a host, so as to transmit an electrical signal obtained after being processed by the wireless transceiver chip 120 to a main board of a host system, or transmit an electrical signal sent by the main board of the host system to the wireless transceiver chip 120, so that the wireless transceiver chip 120 processes the electrical signal into a wireless signal that can be transmitted by the antenna 110, and communication with an external bluetooth device is realized.

In one embodiment, the antenna 110, the wireless transceiver chip 120 and the power supply module 130 are integrally packaged, in other words, the antenna 110, the wireless transceiver chip 120 and the power supply module 130 are integrated into one integral module for providing bluetooth function, so that the integral module is connected to the electrical interface 200 and the signal output interface 300 respectively through connection wires. Further, in this embodiment, the WIFI bluetooth module 10 further includes a bluetooth housing 400, the antenna 110, the wireless transceiver chip 120 and the power supply module 130 are encapsulated in the bluetooth housing 400, the connection wire of the electrical interface 200 penetrates through the bluetooth housing 400 and is electrically connected with the power supply module 130, and the connection wire of the signal output interface 300 penetrates through the bluetooth housing 400 and is electrically connected with the wireless transceiver chip 120. In order to avoid interference of the bluetooth housing 400 to the motherboard of the host system and the signals of the wireless transceiver chip 120, in this embodiment, the bluetooth housing 400 is injection molded by plastic materials, the antenna 110, the wireless transceiver chip 120 and the power supply module 130 can be respectively fixed on the inner wall of the bluetooth housing 400, or the antenna 110, the wireless transceiver chip 120 and the power supply module 130 can be assembled and fixed to form the signal transmission main body 100, and then the signal transmission main body 100 is tightly pressed by the inner wall of the bluetooth housing 400, so as to realize the fixed installation of the antenna 110, the wireless transceiver chip 120 and the power supply module 130 in the bluetooth housing 400, to avoid the shaking of parts when the WIFI bluetooth module 10 moves, and further to cause the problem of connecting and sending between the parts, thereby ensuring the stability of the structure of the WIFI bluetooth module 10.

It should be noted that, in the present embodiment, the power connection interface 200 is a USB type a interface; the signal output interface 300 is a USB TypeC interface. It may also be understood that the signal transmission main body 100 with bluetooth function is connected in series between the connection lines of the USB type a interface and the USB type c interface, so as to obtain the WIFI bluetooth module 10 that can be hung on the host system. In other embodiments, the types of electrical interface 200 and signal output interface 300 may also be adjusted. In one embodiment, the signal output interface 300 is a Micro USB interface. In another embodiment, the signal output interface 300 is a lighting interface.

The power supply module 130 is used for implementing voltage conversion when the external power supplies power to the wireless transceiver chip 120, and in this embodiment, the power supply module 130 is a power adapter. Preferably, the power supply module 130 is a 5V adapter, i.e., the power supply module 130 converts a 5V voltage provided by an external power source into a 3.3V voltage in order to provide an operating voltage for the wireless transceiver chip 120. Specifically, in this embodiment, the electrical interface 200 is connected to a voltage of 5V so as to provide a power source of 5V for the signal transmission main body 100, and the power supply module 130 is also provided with a USB interface for plugging the electrical interface 200. When the WIFI bluetooth module 10 works, the power supply is connected to the USB interface of the 5V adapter (i.e. the power supply module 130) through the USB type a (i.e. the power connection interface 200), the 5V voltage is transmitted to the USB type c interface (i.e. the signal output interface 300) through the signal transmission main body 100 to supply power to the motherboard, and meanwhile, the power supply module 130 itself also reduces the voltage to 3.3V through DC-DC to supply power to the wireless transceiver chip 120. In terms of data, when receiving, the antenna 110 receives a wireless signal, and then transmits the wireless signal to the main board through the signal output interface 300 after demodulation processing of the wireless transceiver chip 120; in the transmitting process, the main board data is also transmitted to the wireless transceiver chip 120 through the signal output interface 300 for processing, then modulated into radio frequency signals, and transmitted through the antenna 110.

In addition, in the present embodiment, the signal transmission main body 100 further includes a crystal oscillator 140 accommodated in the bluetooth housing 400 and electrically connected to the wireless transceiver chip 120, the crystal oscillator 140 is used for providing a stable clock for the wireless transceiver chip 120, and the crystal oscillator 140 generates a clock pulse signal to control the clock and timing of the program execution of the wireless transceiver chip 120 during operation.

According to the WIFI Bluetooth module 10 provided by the utility model, the signal transmission main body 100 is connected between the electric interface 200 and the signal output interface 300 in series, the WIFI Bluetooth module 10 is only required to be plugged into an external socket of a host through the signal output interface 300, the Bluetooth function is provided for a main board, the external of the WIFI Bluetooth module 10 is realized, the WIFI Bluetooth module 10 is detachably connected with the main board, a user can conveniently adjust the direction of the WIFI Bluetooth module 10 to obtain better signal receiving performance, and meanwhile, the main board and the WIFI Bluetooth module 10 are separated through a host shell, so that the mutual interference between the WIFI Bluetooth module 10 and the main board is reduced, the influence of heat generated during the operation of the WIFI Bluetooth module 10 on the main board is reduced, the heat dissipation load of the main board is lightened, and the difficulty of the heat dissipation design of the main board is reduced.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A WIFI bluetooth module, comprising:

2. The WIFI bluetooth module of claim 1, wherein the antenna, wireless transceiver chip, and power module are integrally packaged.

3. The WIFI bluetooth module according to claim 2, further comprising a bluetooth housing, wherein the antenna, the wireless transceiver chip and the power supply module are encapsulated in the bluetooth housing, a connection wire of the power connection interface penetrates through the bluetooth housing and is electrically connected with the power supply module, and a connection wire of the signal output interface penetrates through the bluetooth housing and is electrically connected with the wireless transceiver chip.

4. The WIFI bluetooth module of claim 3, wherein the electrical interface is a USB type a interface.

5. The WIFI bluetooth module of claim 4, wherein the signal output interface is a USB TypeC interface.

6. The WIFI bluetooth module of claim 4, wherein the signal output interface is a Micro USB interface.

7. The WIFI bluetooth module of claim 4, wherein the signal output interface is a lighting interface.

8. The WIFI bluetooth module according to any of claims 5-7, wherein the power module is a power adapter.

9. The WIFI bluetooth module of claim 8, wherein the signal transmission body further comprises a crystal oscillator housed in the bluetooth housing and electrically connected to the wireless transceiver chip.