CN212541324U

CN212541324U - WIFI module and computer circuit board

Info

Publication number: CN212541324U
Application number: CN202021177436.5U
Authority: CN
Inventors: 黄潇洪
Original assignee: Shenzhen Honghe Innovation Information Technology Co Ltd
Current assignee: Shenzhen Honghe Innovation Information Technology Co Ltd
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2021-02-12
Anticipated expiration: 2030-06-22

Abstract

The utility model provides a WIFI module and computer circuit board, the WIFI module includes the bluetooth subassembly, the WIFI subassembly and the plug that contains a plurality of stitches, bluetooth subassembly and WIFI subassembly are connected with the corresponding stitch electricity of plug respectively, bluetooth subassembly and WIFI subassembly carry out wired communication through plug and outside, the WIFI module has integrateed bluetooth function and WIFI function, and as long as can realize with outside wired communication through single plug and external connection, the change is conveniently dismantled, it needs to realize wired communication through circuit board wiring with its welding at the mainboard to have solved traditional integrated multi-functional WIFI module, thereby the operation that leads to is complicated and the difficult problem of changing after the welding, general that the multi-functional WIFI module that has made up can realize, dismantle convenient external form.

Description

WIFI module and computer circuit board

Technical Field

The utility model belongs to the technical field of external WIFI module, especially, relate to a WIFI module and computer circuit board.

Background

The traditional plug-in WIFI module generally transmits data with a 2.0 USB socket and a mainboard, however, the function of the transmission mode is single, and in order to solve the problem that the function of the WIFI module is single, in the prior art, the WIFI module also integrates other functions, such as functions of resetting and the like; the WIFI module is integrated with other functions and then cannot be used for communicating with a traditional 2.0 USB seat and a mainboard, the WIFI module is directly welded on the mainboard in a general way, the operation process is complicated, the problem that the WIFI module is difficult to replace after welding is caused, and the WIFI module is not suitable for a general plug-in mode convenient to disassemble.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the utility model provides a WIFI module and computer circuit board aims at solving the problem that is difficult to change after the multi-functional WIFI module of integration that exists among the traditional technical scheme welds with the mainboard.

The embodiment of the utility model provides a WIFI module in the first aspect, including bluetooth subassembly, WIFI subassembly and plug;

the plug comprises a plurality of pins;

the Bluetooth assembly and the WIFI assembly are respectively electrically connected with corresponding pins of the plug, and the Bluetooth assembly and the WIFI assembly are in wired communication with the outside through the plug.

In a first aspect, in one embodiment, the bluetooth component and the WIFI component are integrated in a same chip.

In a first aspect, one embodiment of which is shown, the plug includes a power pin, a first differential signal pin, a second differential signal pin, a first ground pin, a first resistor R5, and a second resistor R6; the power pin of chip with the power stitch electricity is connected, the first differential signal pin of chip passes through first resistance with first differential signal stitch electricity is connected, the second differential signal pin of chip passes through the second resistance with the second differential signal stitch electricity is connected, first ground stitch and power ground electricity are connected.

In a first aspect, in one embodiment, the WIFI module further includes a bluetooth wake-up circuit, the plug further includes a bluetooth wake-up pin and a second ground pin, the bluetooth wake-up circuit respectively with the bluetooth wake-up pin of the chip, the bluetooth wake-up pin and the power pin are electrically connected, the second ground pin is electrically connected with the power ground.

In a first aspect, in one embodiment, the WIFI module further includes a WIFI wake-up circuit, the plug further includes a WIFI wake-up pin and a third ground pin, the WIFI wake-up circuit is electrically connected to the WIFI wake-up pin of the chip, the WIFI wake-up pin and the power pin, respectively, and the third ground pin is electrically connected to the power supply ground.

In a first aspect, in one embodiment, the WIFI module further includes a reset circuit, the plug further includes a reset pin and a fourth ground pin, the reset circuit is electrically connected to the reset pin of the chip, the reset pin is electrically connected to the power pin, and the fourth ground pin is electrically connected to the power ground.

In the first aspect, in one embodiment, the bluetooth wakeup circuit includes a third resistor, a fourth resistor, and a fifth resistor; the second end of third resistance, the second end of fourth resistance and the first end of fifth resistance connect the constitution altogether bluetooth awaken circuit electricity and connect the link of bluetooth awakening pin, the first end of third resistance does bluetooth awaken circuit electricity and connects the link of power stitch, the first end of fourth resistance does bluetooth awaken circuit electricity and connects the link of bluetooth awakening pin, the second end and the power ground electricity of fifth resistance are connected.

In the first aspect, in one embodiment, the WIFI wake-up circuit includes a sixth resistor, a seventh resistor, and an eighth resistor; the second end of the sixth resistor, the second end of the seventh resistor and the first end of the eighth resistor are connected together to form the WIFI awakening circuit which is electrically connected with the connecting end of the WIFI awakening pin, the first end of the sixth resistor is the connecting end of the WIFI awakening circuit which is electrically connected with the power pin, the first end of the seventh resistor is the connecting end of the WIFI awakening circuit which is electrically connected with the WIFI awakening pin, and the second end of the eighth resistor is electrically connected with the power ground.

In the first aspect, in one embodiment, the reset circuit includes a ninth resistor, a tenth resistor, and a capacitor; the second end of the ninth resistor, the second end of the tenth resistor and the first end of the capacitor are connected together to form the reset circuit which is electrically connected with the connecting end of the reset pin, the first end of the ninth resistor is electrically connected with the connecting end of the power pin, the first end of the tenth resistor is electrically connected with the connecting end of the reset pin through the reset circuit, and the second end of the capacitor is electrically connected with the power ground.

A second aspect of the embodiments of the present invention provides a computer circuit board, including mainboard and any one of the above-mentioned columns of WIFI module, be equipped with on the mainboard with the socket of plug adaptation just the plug with the socket is pegged graft.

The WIFI module of this application has integrateed bluetooth function and WIFI function, and as long as can realize with outside wired communication through single plug and external connection, the convenient dismantlement is changed, solved traditional integrated multi-functional WIFI module and need pass through circuit board wiring with its welding and just can realize wired communication at the mainboard to the operation that leads to is complicated and the problem that the welding back is difficult to change, general, the convenient external form of dismantlement that make integrated multi-functional WIFI module can realize.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is an exemplary functional block diagram of an embodiment of a WIFI module of the present application;

fig. 2 is an exemplary functional block diagram of another embodiment of a WIFI module of the present application;

fig. 3 is an exemplary functional block diagram of another embodiment of a WIFI module of the present application;

FIG. 4 is an exemplary circuit schematic of an embodiment of a Bluetooth wakeup circuit of the present application;

fig. 5 is an exemplary circuit schematic diagram of an embodiment of a WIFI wake-up circuit of the present application;

FIG. 6 is an exemplary circuit schematic of an embodiment of a reset circuit of the present application.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, for convenience of description, the WIFI module according to the embodiment of the present invention only shows the relevant portions of the embodiment, and is detailed as follows: the WIFI module includes bluetooth module 110, WIFI module 120 and plug 130, and wherein plug 130 includes a plurality of stitches 131, and bluetooth module 110 and WIFI module 120 are connected with the corresponding stitch electricity of plug 130 respectively, and bluetooth module 110 and WIFI module 120 carry out wired communication with the outside through plug 130. The WIFI module in this embodiment can realize bluetooth function and WIFI function simultaneously, can realize carrying out wired communication with the outside through plug 130 and external connection in addition, the user carries out simple operation and can realize wired communication with the WIFI module of this embodiment through plug 130 grafting on the mainboard, it has solved traditional integrated multi-functional WIFI module and has had need to pass through circuit board wiring with its welding just can realize wired communication at the mainboard, and the complicated and difficult problem of changing after welding of operation that leads to.

Referring to fig. 2, in one embodiment, the bluetooth module 110 and the WIFI module 120 are integrated in the same chip 11, so as to improve the integration level and reduce the volume of the WIFI module; in other embodiments, the bluetooth module 110 and the WIFI module 120 may not be integrated in the same chip, and may be two split chips. In addition, the Bluetooth function and the WIFI function can share the same group of differential signal pins to transmit data, so that pins required by the plug 130 are reduced, and the manufacturing cost is reduced. The chip 11 comprises a Bluetooth radio frequency pin BT-RF, a 2.4GHz frequency band WIFI pin WF-RF0 and a 5GHz frequency band WIFI pin WF-RF1, the Bluetooth radio frequency pin BT-RF, the 2.4GHz frequency band WIFI pin WF-RF0 and the 5GHz frequency band WIFI pin WF-RF1 are respectively used for receiving Bluetooth signals, 2.4GHz frequency band WIFI signals and 5GHz frequency band WIFI signals in a wireless link through corresponding external circuits and corresponding antennas, and the 2.4GHz frequency band WIFI pin WF-RF0 and the 5GHz frequency band WIFI pin WF-RF1 can enable a user to use different frequency band selections according to use scenes. It should be noted that the detailed composition of the external circuit and the antenna part of the bluetooth radio frequency pin BT-RF, the 2.4GHz band WIFI pin WF-RF0 and the 5GHz band WIFI pin WF-RF1 are routine choices that can be made by those skilled in the art according to actual needs by using known technical means, and therefore, the detailed description is not provided herein.

Referring to fig. 3, in an embodiment, the plug 130 includes a power pin 131a, a first differential signal pin 131b, a second differential signal pin 131c, a first ground pin 131g, a first resistor R1 and a second resistor R2, the power pin of the chip 11 is electrically connected to the power pin 131a, the first ground pin 131g is electrically connected to the power ground, the first differential signal pin UDP of the chip 11 is electrically connected to the first differential signal pin 131b through the first resistor R1, the second differential signal pin UDM of the chip 11 is electrically connected to the second differential signal pin 131c through the second resistor R2, and the chip 11 can realize transmission of external bluetooth data and WIFI data through the first differential signal pin 131b and the second differential signal pin 131c of the plug 130.

Referring to fig. 3, in an embodiment, the WIFI module further includes a bluetooth wake-up circuit 140, the plug 130 further includes a bluetooth wake-up pin 131d and a second ground pin 131h, the bluetooth wake-up circuit 140 is electrically connected to the bluetooth wake-up pin BTWAKE of the chip 11, the bluetooth wake-up pin 131d and the power pin 131a, respectively, and the second ground pin 131h is electrically connected to the power supply; when the bluetooth information is to be received, the bluetooth wake-up circuit 140 detects that the first wake-up signal for waking up the motherboard in the standby state is transmitted externally through the bluetooth wake-up pin 131d when the bluetooth information is to be received, and the motherboard in the standby state can receive the bluetooth information after being woken up, so that the bluetooth information received by the WIFI module can wake up the motherboard in the standby state and transmit the bluetooth information to the motherboard in time.

Referring to fig. 3, in an embodiment, the WIFI module further includes a WIFI wake-up circuit 160, the plug 130 further includes a WIFI wake-up pin 131f and a third ground pin 131i, the WIFI wake-up circuit 160 is electrically connected to the WIFI wake-up pin WFWOW, the WIFI wake-up pin 131f and the power pin 131a of the chip 11, respectively, and the third ground pin 131i is electrically connected to the power ground; when the WIFI information is to be received, the WIFI wake-up circuit 160 transmits a second wake-up signal for waking up the standby state motherboard to the outside through the WIFI wake-up pin 131f when detecting the WIFI information to be received, and the standby state motherboard can receive the WIFI information after being woken up, so that the WIFI module receives the WIFI information and can wake up the standby state motherboard and transmit the WIFI information to the motherboard in time.

Referring to fig. 3, in an embodiment, the WIFI module further includes a reset circuit 150, the plug 130 further includes a reset pin 131e and a fourth ground pin 131j, the reset circuit 150 is electrically connected to the reset pin RST of the chip 11, the reset pin 131e is electrically connected to the power pin 131a, and the fourth ground pin 131j is electrically connected to the power ground; the reset circuit 150 can obtain a reset signal of the external motherboard through the reset pin 131e, and then transmit the reset signal to the chip 11 through the reset pin RST, and the chip 11 resets itself according to a preset program when receiving the reset signal, and can reset the chip 11 to the original parameter to restore to normal when the chip is abnormal.

Referring to fig. 4, in one embodiment, the bluetooth wakeup circuit 140 includes a third resistor R3, a fourth resistor R4, and a fifth resistor R5; the second end of the third resistor R3, the second end of the fourth resistor R4 and the first end of the fifth resistor R5 are connected together to form a connection end where the bluetooth wake-up circuit 140 is electrically connected to the bluetooth wake-up pin BTWAKE, the first end of the third resistor R3 is the connection end where the bluetooth wake-up circuit 140 is electrically connected to the power pin 131a, the first end of the fourth resistor R4 is the connection end where the bluetooth wake-up circuit 140 is electrically connected to the bluetooth wake-up pin 131d, and the second end of the fifth resistor R5 is electrically connected to the power ground. When the chip 11 receives the bluetooth signal, the first terminal of the fourth resistor R4 of the bluetooth wake-up circuit 140 outputs a high level signal to wake up the motherboard, and when the chip 11 does not receive the bluetooth signal, the first terminal of the fourth resistor R4 keeps outputting a low level signal to avoid a false wake-up action.

Referring to fig. 5, in an embodiment, the WIFI wake-up circuit 160 includes a sixth resistor R6, a seventh resistor R7, and an eighth resistor R8; the second end of the sixth resistor R6, the second end of the seventh resistor R7, and the first end of the eighth resistor R8 are connected to form a connection end, where the WIFI wake-up circuit 160 is electrically connected to the WIFI wake-up pin WFWOW, the first end of the sixth resistor R6 is the connection end, where the WIFI wake-up circuit 160 is electrically connected to the power pin 131a, the first end of the seventh resistor R7 is the connection end, where the WIFI wake-up circuit 160 is electrically connected to the WIFI wake-up pin 131f, and the second end of the eighth resistor R8 is electrically connected to the power ground. When the chip 11 receives the WIFI signal, the seventh resistor R7 of the WIFI wake-up circuit 160 outputs a high level signal to wake up the motherboard, and when the chip 11 does not receive the WIFI signal, the seventh resistor R7 outputs a low level signal to avoid a false wake-up action.

Referring to fig. 6, in one embodiment, the reset circuit 150 includes a ninth resistor R9, a tenth resistor R10, and a capacitor C1; the second end of the ninth resistor R9, the second end of the tenth resistor R10 and the first end of the capacitor C1 are connected in common to form a connection end at which the reset circuit 150 is electrically connected to the reset pin RST, the first end of the ninth resistor R9 is a connection end at which the reset circuit 150 is electrically connected to the power pin 131a, the first end of the tenth resistor R10 is a connection end at which the reset circuit 150 is electrically connected to the reset pin 131e, and the second end of the capacitor C1 is electrically connected to the power supply. When the ninth resistor R9 is inputted with a reset signal through the reset pin 131e, the reset circuit 150 transmits a reset signal to the chip 11 so that the chip 11 resets it according to a preset rule.

Referring to fig. 3, in one embodiment, the plug includes: the WIFI wireless communication device comprises a power pin 131a used for accessing a power signal, a first differential signal pin 131b and a second differential signal pin 132c used for transmitting a data signal, a Bluetooth wakeup pin 131d used for accessing a first wakeup signal for waking up the Bluetooth module, a WIFI wakeup pin 131f used for accessing a second wakeup signal for waking up the WIFI module, a reset pin 131e used for accessing a reset signal, and a plurality of ground pins electrically connected with a power supply. The pin of the plug can meet the requirement of the WIFI module for integrated multifunctional external communication on hardware.

The utility model provides a computer circuit board, includes mainboard and the WIFI module of any embodiment of the above-mentioned list, is equipped with the socket with plug 130 adaptation on the mainboard, and plug 130 pegs graft with the socket, and the WIFI module carries out wired communication with the mainboard through looping through behind plug 130 and the socket. Because the computer circuit board in this embodiment includes the WIFI module of any one of the above-listed embodiments, the computer circuit board in this embodiment contains at least the beneficial effect that the WIFI module of any one of the above-listed embodiments corresponds.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A WIFI module, its characterized in that: the Bluetooth module comprises a Bluetooth module, a WIFI module and a plug;

the plug comprises a plurality of pins;

2. The WIFI module of claim 1, wherein the bluetooth component and the WIFI component are integrated in a same chip.

3. The WIFI module of claim 2, wherein the plug includes a power pin, a first differential signal pin, a second differential signal pin, a first ground pin, a first resistor, and a second resistor; the power pin of chip with the power stitch electricity is connected, the first differential signal pin of chip passes through first resistance with first differential signal stitch electricity is connected, the second differential signal pin of chip passes through the second resistance with the second differential signal stitch electricity is connected, first ground stitch and power ground electricity are connected.

4. The WIFI module of claim 3, further comprising a Bluetooth wake-up circuit, wherein the plug further comprises a Bluetooth wake-up pin and a second ground pin, the Bluetooth wake-up circuit is electrically connected to the Bluetooth wake-up pin of the chip, the Bluetooth wake-up pin and the power pin, respectively, and the second ground pin is electrically connected to a power supply.

5. The WIFI module of claim 3, further comprising a WIFI wake-up circuit, wherein the plug further comprises a WIFI wake-up pin and a third ground pin, the WIFI wake-up circuit is electrically connected to the WIFI wake-up pin of the chip, the WIFI wake-up pin and the power pin, respectively, and the third ground pin is electrically connected to a power supply.

6. The WIFI module of claim 3, further comprising a reset circuit, wherein the plug further comprises a reset pin and a fourth ground pin, wherein the reset circuit is electrically connected to the reset pin of the chip, the reset pin and the power pin, respectively, and the fourth ground pin is electrically connected to a power ground.

7. The WIFI module of claim 4, wherein the Bluetooth wakeup circuit includes a third resistor, a fourth resistor, and a fifth resistor; the second end of third resistance, the second end of fourth resistance and the first end of fifth resistance connect the constitution altogether bluetooth awaken circuit electricity and connect the link of bluetooth awakening pin, the first end of third resistance does bluetooth awaken circuit electricity and connects the link of power stitch, the first end of fourth resistance does bluetooth awaken circuit electricity and connects the link of bluetooth awakening pin, the second end and the power ground electricity of fifth resistance are connected.

8. The WIFI module of claim 5, wherein the WIFI wake-up circuit comprises a sixth resistor, a seventh resistor, and an eighth resistor; the second end of the sixth resistor, the second end of the seventh resistor and the first end of the eighth resistor are connected together to form the WIFI awakening circuit which is electrically connected with the connecting end of the WIFI awakening pin, the first end of the sixth resistor is the connecting end of the WIFI awakening circuit which is electrically connected with the power pin, the first end of the seventh resistor is the connecting end of the WIFI awakening circuit which is electrically connected with the WIFI awakening pin, and the second end of the eighth resistor is electrically connected with the power ground.

9. The WIFI module of claim 6, wherein the reset circuit includes a ninth resistor, a tenth resistor, and a capacitor; the second end of the ninth resistor, the second end of the tenth resistor and the first end of the capacitor are connected together to form the reset circuit which is electrically connected with the connecting end of the reset pin, the first end of the ninth resistor is electrically connected with the connecting end of the power pin, the first end of the tenth resistor is electrically connected with the connecting end of the reset pin through the reset circuit, and the second end of the capacitor is electrically connected with the power ground.

10. A computer circuit board, characterized in that, including the WIFI module of any one of claims 1 to 9 with the mainboard, be equipped with on the mainboard with the socket of plug adaptation and the plug with the socket grafting.