CN202340223U

CN202340223U - Three-in-one integrated communication built-in module device

Info

Publication number: CN202340223U
Application number: CN2011204703050U
Authority: CN
Inventors: 李春南
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-11-23
Filing date: 2011-11-23
Publication date: 2012-07-18
Anticipated expiration: 2021-11-23

Abstract

The utility model discloses a three-in-one built-in module device which integrates wireless fidelity (WiFi), Bluetooth and Zigbee. The device comprises a universal serial bus (USB) HUB module, a WiFi module, a Bluetooth module, a Zigbee module, a radio frequency switch (RF Switch), a three-line control interface module, six control resistors of R1-R6 and an antenna. The device supports three communication modes on the same module simultaneously: WiFi, Bluetooth and Zigbee, adopts time division multiplex technology, and achieves isolation of the three communication modes. In addition, in the device, WiFi, Bluetooth and Zigbee share one antenna, and three control signal lines of the RF switch can use general purpose input/output (GPIO) control lines provided by a main machine and can also be provided by WiFi.

Description

The built-in die set of three-in-one integrated communicaton

Technical field:

The utility model relates to a kind of integrated WiFi, bluetooth, the three-in-one built-in die set of communication of Zigbee.

Background technology:

Existing built-in module is when integrated WiFi, bluetooth and three kinds of communication functions of Zigbee; All be independent design module separately, will use three even more antenna at least, and because all independently runnings of each module; Three modules might use the 2.4G frequency range to launch reception simultaneously; Cause mutual interference, and then influence communication quality, and can cause power consumption to increase.Therefore when integrated multiple communication function,, not only will cause the cost rising, and also can elongate the R&D cycle, and cause product in time to introduce to the market especially to the application of Internet of Things and built-in field.

The utility model content:

In view of above-mentioned technical problem, the utility model relates to a kind of integrated WiFi, bluetooth, the three-in-one built-in die set of communication of Zigbee.This device is supported three kinds of communication modes: WiFi, bluetooth and Zigbee simultaneously on same module, and adopts time-sharing multiplexing technology, realizes the isolation of three kinds of communication modes.In addition, in this device, the shared antenna of WiFi, bluetooth and Zigbee, and three control signal wires of RF switch (RF Switch) GPIO control line that both can use main frame to provide also can provide control signal wire by WiFi.

The concrete technical scheme of the utility model is following:

The built-in die set of three-in-one integrated communicaton comprises USB HUB module, WiFi module, bluetooth module, Zigbee module, three-way control interface module, six controlling resistances of R1 ~ R6 and the RF switch (RF Switch) that is connected with antenna.

Wherein, USB HUB module connects WiFi module, bluetooth module and Zigbee module respectively through three USB mouths; WiFi module, bluetooth module and Zigbee module are connected RF Switch through radio frequency link; Three-way control interface module is through V1, V2, and three holding wires of V3 are connected to RF Switch; Resistance R 1 is connected across between holding wire V1 and the three-way control interface module of WiFi module; Resistance R 2 is connected across between holding wire V2 and the three-way control interface module of WiFi module; Resistance R 3 is connected across between holding wire V3 and the three-way control interface module of WiFi module; Resistance R 4 is connected across on the holding wire V1 between three-way control interface module and the RF Switch; Resistance R 5 is connected across on the holding wire V2 between three-way control interface module and the RF Switch; Resistance R 6 is connected across on the holding wire V3 between three-way control interface module and the RF Switch.

In the such scheme, said RF Switch connects antenna terminal.

In the such scheme, said USB HUB module is connected with main frame through USB interface or Mini PCIe interface.

In the such scheme, said three-way control interface module is connected main frame through GPIO1, three interfaces of GPIO2 and GPIO3.

The beneficial effect of the said device of the utility model is following:

1, same plank can use three kinds of communication modes to carry out communication, reduced terminal use's design complexities with respect to the separate type mode.

2, use the time-sharing multiplex mode, avoid the mutual interference of three kinds of communication modes phases, but also reduce the module overall power.

3, save antenna and feeder line cost, and reduce the module size, can satisfy the requirement of Internet of Things and Embedded Application to size and power consumption.

4, RF Switch control signal inserts flexibly, can satisfy the demands of different of various Embedded Application to control mode.

Description of drawings:

Further specify the utility model below in conjunction with accompanying drawing and embodiment.

Fig. 1 is the structured flowchart of the said device of the utility model.

Fig. 2 be among the utility model embodiment with the first connected mode figure of main frame.

Fig. 3 be among the utility model embodiment with the second connected mode figure of main frame.

Fig. 4 be among the utility model embodiment with the 3rd connected mode figure of main frame.

Fig. 5 be among the utility model embodiment with the 4th connected mode figure of main frame.

Flow chart when Fig. 6 moves for the utility model.

Embodiment:

For technological means, creation characteristic that the utility model is realized, reach purpose and be easy to understand understanding with effect, below in conjunction with concrete diagram, further set forth the utility model.

As shown in Figure 1; The built-in die set of the said three-in-one integrated communicaton of the utility model comprises: USB HUB module 1, WiFi module 2, bluetooth module 3, Zigbee module 4, RF switch (RF Switch) 5, three-way control interface module 6 and controlling resistance R1 ~ R6 and antenna 7, USB HUB module 1 can connect the USB interface or the Mini PCIe interface of main frame.

Wherein, USB HUB module 1 is connected with WiFi module 2 through the USB1 mouth.USB HUB module 1 is connected with bluetooth module 3 through the USB2 mouth.USB HUB module 1 is connected with Zigbee module 4 through the USB3 mouth.

In addition, (V1, V2 V3) connect RF switch 5 through radio frequency link for WiFi module 2, bluetooth module 3 and Zigbee module 4.Simultaneously, RF switch 5 is connected to antenna terminal.

It is pointed out that V1, V2, the switching of these three signal controlling RF SWITCH of V3, corresponding switching mode such as table 1.When using host computer system GPIO control, three-way control interface will be communicated with this three holding wires; When if external host system does not have control signal wire and inserts, then three holding wires will be connected to three GPIO mouths of WiFi module.

Be connected to the RF link of antenna	The V1 level	The V2 level	The V3 level
				WiFi	High	Low	Low
Bluetooth	Low	High	Low
				Zigbee	Low	Low	High

Table 1

It is following that the said device of the utility model, its module and host computer system four kinds are connected occupation mode:

Connected mode one: main frame provides USB interface and three GPIO mouth control signal wires, and the controlling resistance R1 on the module, R2, R3 do not go up part (NI), during real work referring to Fig. 2.

Connected mode two: main frame only provides USB interface, by the GPIO of WiFi module V1, V2, three control signal wires of V3 is provided, and the controlling resistance R4 on the module, R5, R6 do not go up part (NI), during real work referring to Fig. 3.

Connected mode three: main frame provides Mini PCIe interface and three GPIO mouth control signal wires, and the R1 on the module, R2, R3 do not go up part, during real work referring to Fig. 4.

Connected mode four: main frame only provides Mini PCIe interface, by the GPIO of WiFi module V1, V2, three control signal wires of V3 is provided, and the R4 on the module, R5, R6 do not go up part, during real work referring to Fig. 5.

Certainly, behind the host-initiated, by the driver of this module of main frame operation; And corresponding radio communication service is provided for other application programs; Three modules adopt the time-sharing multiplex mode on antenna duplexer, confirm three module timesharing use antenna rules by driver, and its workflow is seen Fig. 6:

The first step: after host side system start-up finishes, start this modules driver.

Second step: driver judges to get into which kind of communication mode according to current host requirements, and connects through control RF Switch switched antenna.

The 3rd step: the communication mode according to getting into enables corresponding communication module, and to other application programs of main frame the respective communication service is provided through driver.

The 4th step: when corresponding communication service was provided, whether inquiry had the communication mode of replacing or out-of-work instruction, if no any instruction then continues to provide corresponding communication service; If there is instruction will change communication mode, then close current communication mode, rejudge the communication mode that will open and enable the related communication module; If there is instruction to quit work, then stop module work.

More than show and described basic principle of the utility model and the advantage of principal character and the utility model.The technical staff of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the specification that the utility model just is described; Under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection range to be defined by appending claims and equivalent thereof.

Claims

1. the built-in die set of three-in-one integrated communicaton comprises USB HUB module, WiFi module, bluetooth module, Zigbee module, RF switch, three-way control interface module, six controlling resistances of R1 ~ R6 and antenna; It is characterized in that said USB HUB module connects WiFi module, bluetooth module and Zigbee module respectively through three USB mouths; Said WiFi module, bluetooth module and Zigbee module are connected RF switch through radio frequency link; Said three-way control interface module is through V1, V2, and three holding wires of V3 connect RF switch; Said resistance R 1 is connected across between holding wire V1 and the three-way control interface module of WiFi module; Said resistance R 2 is connected across between holding wire V2 and the three-way control interface module of WiFi module; Said resistance R 3 is connected across between holding wire V3 and the three-way control interface module of WiFi module; Said resistance R 4 is connected across on the holding wire V1 between three-way control interface module and the RF switch; Said resistance R 5 is connected across on the holding wire V2 between three-way control interface module and the RF switch; Said resistance R 6 is connected across on the holding wire V3 between three-way control interface module and the RF switch.

2. according to the built-in die set of three-in-one integrated communicaton of claim 1, it is characterized in that said RF switch connects antenna terminal.

3. according to the built-in die set of three-in-one integrated communicaton of claim 1, it is characterized in that said USB HUB module is connected with main frame through USB interface or Mini PCIe interface.

4. according to the built-in die set of three-in-one integrated communicaton of claim 1, it is characterized in that said three-way control interface module is connected main frame through GPIO1, three interfaces of GPIO2 and GPIO3.