Communication module based on 2.4 G frequency band

Abstract

The utility model discloses a communication module based on a 2.4 G frequency band, and relates to the technical field of communication modules. The communication modules comprise the Bluetooth module, the Wi-Fi module, the Zigbee module, the Bluetooth signal antenna, the Wi-Fi signal antenna and the Zigbee signal antenna, the three communication modules are respectively connected with the first USB interface through the USB connectors, the connection mode is direct plugging, and installation, maintenance and disassembly are simple and fast; the second USB interface is connected with a USB port on the control device to realize control connection, and a third USB interface serving as a standby USB port is arranged at the bottom of the shell; the second USB interface is directly connected with the USB port on the control device in a plugging manner, so that the use of three 2.4 G frequency band communication modules is realized, the switch button can be used for selectively closing the unneeded communication module, and the 2.4 G frequency band communication module can be effectively, conveniently and quickly deployed on a computer control terminal of a single floor and a single guest room.

Description

Technical Field

[0001] The utility model belongs to the technical field of communication modules, and in particular relates to a communication module based on a 2.4G frequency band. Background Art

[0002] The 2.4G frequency band has many advantages. Many technologies, including Bluetooth, ZigBee, Wi-Fi, etc., support working in this frequency band. Many highlight functions, such as Mesh networking and direct networking, have been improved through the update of protocols and standards.

[0003] The 2.4G frequency band is widely used in hotels. For example, CN206060800U discloses a hotel-style intelligent central control system, which discloses that the control of the smart home gateway uses a Zigbee module for wireless communication connection; indoor devices such as smart door locks and corridor lights can be controlled by terminals with Bluetooth modules via APP; computers can be connected to the Internet via wireless communication via Wifi modules. The application of this technical solution in hotel scenarios has the following disadvantages: (1) Since the Zigbee module and the Bluetooth module are both limited in distance, the entire hotel cannot be implemented using a central control system and needs to be controlled by a terminal with a Bluetooth module. (1) A communication module that can meet the requirements of the 2.4G frequency band is arranged within the effective distance; (2) The communication module of the 2.4G frequency band in this scenario needs to be able to be quickly deployed, installed and disassembled, and can simultaneously meet the corresponding communication requirements of Bluetooth, Zigbee and Wi-Fi, but the above-mentioned public technical solution does not provide a specific installation structure; (3) It is necessary to conveniently deploy and install it on the computer on each floor of the building or even in each guest room, so as to effectively improve the communication deployment and use requirements of the 2.4G frequency band, but the above-mentioned solution does not provide a specific structure that can be directly installed and deployed on the computer; Therefore, in response to the above problems, this technical solution proposes a communication module based on the 2.4G frequency band. Utility Model Content

[0004] The utility model provides a communication module based on the 2.4G frequency band, the communication module has a built-in Bluetooth module, a Wi-Fi module, a Zigbee module and a Bluetooth signal antenna, a Wi-Fi signal antenna and a Zigbee signal antenna connected respectively, the three communication modules are respectively connected to a first USB interface through a USB connector, the connection method is direct plug and unplug, and the installation, maintenance and disassembly are simple and fast; the second USB interface located at the back of the shell is connected to the USB port on the control device to realize the control connection, and a third USB interface as a spare USB port is provided at the bottom of the shell; switch buttons with switch indicator lights are respectively installed on the wiring connecting the first USB interface with the Bluetooth module, the Wi-Fi module and the Zibee module button; the second USB interface can be directly connected to the USB port on the control device to realize the use of three 2.4G frequency band communication modules, and the switch button can be used to select and turn off unnecessary communication modules, which are effectively, conveniently and quickly deployed on the computer control terminal of a single floor or a single guest room, and the control connection is realized by the communication module on the computer terminal; the 2.4G frequency band communication module has a simple structure and can be directly plugged in and used through the SUB interface, which is convenient and fast, and the second USB interface can be stored in the accommodating cavity through the rotating shaft when not in use, and the overall volume is small, which is convenient for carrying, placing and transporting; and the bottom of the entire communication module is provided with heat dissipation holes, which can effectively achieve the effect of internal heat dissipation; in summary, the problems in the background technology are solved.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model discloses a communication module based on the 2.4G frequency band, comprising a housing and a mounting plate fixedly mounted on the outside of the housing by screws;

[0007] The shell is divided into two chambers for installing a USB expander and a communication module by a horizontal partition; the communication module is located in one of the chambers and is divided into three accommodating chambers by two vertical plates, and the communication module includes a Bluetooth module, a Wi-Fi module and a Zigbee module respectively installed in the three accommodating chambers, and a Bluetooth signal antenna, a Wi-Fi signal antenna and a Zigbee signal antenna respectively installed on the upper part and left and right sides of the shell and connected to the Bluetooth module, the Wi-Fi module and the Zibee module respectively;

[0008] The USB expander includes a microcontroller arranged on a circuit board in another chamber, a first USB interface installed on the partition corresponding to the three accommodating chambers respectively, a second USB interface installed on the back of the shell for connecting to the USB port of the control device, and a third USB interface installed on the bottom of the shell for serving as a spare USB port; the Bluetooth module, Wi-Fi module, and Zibee module are respectively connected to the first USB interface through a USB connector, and the first USB interface, the second USB interface, and the third USB interface are respectively connected to the microcontroller.

[0009] Furthermore, switch buttons with switch indicator lights are respectively installed on the wiring connecting the first USB interface with the Bluetooth module, the Wi-Fi module, and the Zibee module.

[0010] Furthermore, the second USB interface is installed in the accommodating cavity at the back of the shell through a rotating shaft structure, and the second USB interface is accommodated and matched with the accommodating cavity after rotation.

[0011] Furthermore, a first heat dissipation through hole is provided at the bottom of the shell.

[0012] Furthermore, a second heat dissipation through hole is provided on the surface of the transverse partition.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] (1) The communication module has a built-in Bluetooth module, a Wi-Fi module, a Zigbee module, and a Bluetooth signal antenna, a Wi-Fi signal antenna, and a Zigbee signal antenna connected respectively. The three communication modules are connected to the first USB interface respectively through a USB connector, and the connection method is direct plug-in and pull-out, which is simple and quick to install, maintain, and disassemble; and the second USB interface located on the back of the shell is connected to the USB port on the control device to realize the control connection, and a third USB interface as a spare USB port is provided at the bottom of the shell; switch buttons with switch indicator lights are respectively installed on the wiring connecting the first USB interface with the Bluetooth module, Wi-Fi module, and Zibee module; the second USB interface can be directly plugged and connected to the USB port on the control device to realize the use of three 2.4G frequency band communication modules;

[0015] (2) The communication module that is not needed can be turned off by a switch button, and it can be effectively, conveniently and quickly deployed on a computer control terminal on a single floor or in a single guest room, and the control connection can be realized by the communication module driver on the computer terminal;

[0016] (3) The 2.4G frequency band communication module has a simple structure and can be directly plugged in through the SUB interface, which is convenient and quick. When not in use, the second USB interface can be stored in the accommodating cavity through the rotating shaft. The overall volume is small and easy to carry, place and transport;

[0017] (4) The bottom of the entire communication module is provided with heat dissipation holes, which can effectively achieve the effect of internal heat dissipation.

[0018] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 This is a schematic diagram of the structure of a communication module based on the 2.4G frequency band of the utility model;

[0021] Figure 2 for Figure 1 Exploded diagram of the structure;

[0022] Figure 3 for Figure 2 Structural diagram from perspective A;

[0023] Figure 4 This is a circuit structure diagram of a communication module based on the 2.4G frequency band in a specific embodiment;

[0024] Figure 5 This is a schematic diagram of the circuit structure of the USB expander in this specific embodiment;

[0025] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0026] 1-housing, 101-first heat dissipation hole, 102-third USB interface, 103-cross partition, 104-second heat dissipation hole, 105-first USB interface, 106-vertical plate, 2-mounting plate, 201-switch button, 202-switch indicator light, 203-accommodating cavity, 204-second USB interface, 3-Bluetooth module, 301-Bluetooth signal antenna, 4-Wi-Fi module, 401-Wi-Fi signal antenna, 5-Zibee module, 501-Zigbee signal antenna, 6-circuit board. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] In the description of the present invention, it should be understood that the terms "outside", "inside", "vertical plate", "both sides", "bottom", "surface" and the like indicating orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0029] See also Figure 1-5 As shown, a communication module based on the 2.4G frequency band of the utility model comprises a housing 1 and a mounting plate 2 fixedly mounted on the outside of the housing 1 by screws;

[0030] The shell 1 is divided into two chambers for installing the USB expander and the communication module by a horizontal partition 103; the communication module is located in one of the chambers and is divided into three accommodating chambers by two vertical plates 106, and the communication module includes a Bluetooth module 3, a Wi-Fi module 4 and a Zibee module 5 respectively installed in the three accommodating chambers, and a Bluetooth signal antenna 301, a Wi-Fi signal antenna 401, and a Zigbee signal antenna 501 respectively connected to the Bluetooth module 3, the Wi-Fi module 4, and the Zibee module 5 are respectively installed on the upper part and the left and right sides of the shell 1; the Bluetooth module 3, the Wi-Fi module 4, the Zibee module 5, the Bluetooth signal antenna 301, the Wi-Fi signal antenna 401, and the Zigbee signal antenna 501 mentioned above are all existing mature modules that can be directly adopted, and their specific principles and circuit structures are not the innovative content of this technical solution;

[0031] The USB expander includes a microcontroller on a circuit board 6 disposed in another chamber, a first USB interface 105 mounted on a transverse partition 103 corresponding to the three accommodating chambers, a second USB interface 204 mounted on the back of the housing 1 for connecting to a USB port of a control device, and a third USB interface 102 mounted on the bottom of the housing 1 for serving as a spare USB port; the Bluetooth module 3, the Wi-Fi module 4, and the Zibee module 5 are respectively connected to the first USB interface 105 through a USB connector, and the first USB interface 105, the second USB interface 204, and the third USB interface 102 are respectively connected to the microcontroller;

[0032] The corresponding USB expander structure is as follows Figure 5 As shown, the microcontroller adopts HS8836A type single chip microcomputer, which is connected to five USB interfaces, wherein J1, J2, and J3 correspond to the three first USB interfaces 105 of the present technical solution, J4 corresponds to the third USB interface 102 of the spare USB interface, and J5 corresponds to the second USB interface 204 connected to the USB port of the control device; the USB expander structure also belongs to the existing mature electronic component form, and the specific circuit structure is as follows Figure 5 As shown, the other connection relationships and principles are not described in detail in this technical solution;

[0033] The control of the Bluetooth module 3, the Wi-Fi module 4, and the Zibee module 5 is directly performed by the control terminal, that is, a desktop computer in this embodiment, which is directly connected through the second USB interface 204, and the drivers for controlling the three communication modules respectively are installed in the desktop computer to realize the use of the three communication modules. The specific principles and contents belong to the prior art and will not be elaborated in this solution;

[0034] In the application scenario of the present technical solution, the Zigbee module is used for wireless communication connection for the control of the smart home gateway; indoor devices such as smart door locks and corridor lights can be controlled through a terminal with a Bluetooth module via an APP; the computer can be connected to the Internet via wireless communication through a Wifi module; the third USB interface 102 can be used as a backup USB, for example, it can be used to charge a mobile phone, etc.

[0035] Among them, switch buttons 201 with switch indicator lights 202 are respectively installed on the wiring connecting the first USB interface 105 with the Bluetooth module 3, the Wi-Fi module 4, and the Zibee module 5; when the corresponding communication module is not in use, or needs to be replaced for maintenance, it can be replaced directly by pressing the switch button 201 without affecting the operation of other communication modules.

[0036] Among them, the second USB interface 204 is installed in the accommodating cavity 203 on the back of the shell 1 through a rotating shaft structure. After the second USB interface 204 is rotated, it is accommodated and matched with the accommodating cavity 203; the design of the rotating shaft structure can facilitate the storage of the second USB interface 204 in the accommodating cavity 203 when not in use to prevent the head from being scratched and damaged.

[0037] The bottom of the housing 1 is provided with a first heat dissipation through hole 101 ; the surface of the transverse partition 103 is provided with a second heat dissipation through hole 104 ; the design of the heat dissipation holes can dissipate heat inside the housing.

[0038] The communication module of the present technical solution has a built-in Bluetooth module, a Wi-Fi module, a Zigbee module and a Bluetooth signal antenna, a Wi-Fi signal antenna and a Zigbee signal antenna connected respectively. The three communication modules are connected to the first USB interface respectively through a USB connector, and the connection method is direct plug-in and pull-out, and the installation, maintenance and disassembly are simple and fast; and the second USB interface located on the back of the shell is connected to the USB port on the control device to realize the control connection, and a third USB interface as a spare USB port is provided at the bottom of the shell; switch buttons with switch indicator lights are respectively installed on the wiring connecting the first USB interface with the Bluetooth module, the Wi-Fi module and the Zibee module; The second USB interface can be directly connected to the USB port on the control device to realize the use of three 2.4G frequency band communication modules, and the switch button can be used to select and turn off unnecessary communication modules. It is effectively, conveniently and quickly deployed on the computer control terminal of a single floor or a single guest room, and the control connection is driven by the communication module on the computer terminal. The 2.4G frequency band communication module has a simple structure and can be directly plugged in and used through the SUB interface, which is convenient and fast. When not in use, the second USB interface can be stored in the accommodating cavity through the rotating shaft. The overall volume is small and it is easy to carry, place and transport. The bottom of the entire communication module is provided with heat dissipation holes, which can effectively achieve the effect of internal heat dissipation.

[0039] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A communication module based on 2.4G frequency band, characterized in that: It comprises a housing (1) and a mounting plate (2) fixed to the outside of the housing (1) by screws; The shell (1) is divided into two chambers for installing a USB expander and a communication module by a horizontal partition (103); the communication module is located in one of the chambers and is divided into three accommodating chambers by two vertical plates (106); the communication module comprises a Bluetooth module (3), a Wi-Fi module (4) and a Zigbee module (5) respectively installed in the three accommodating chambers, and a Bluetooth signal antenna (301), a Wi-Fi signal antenna (401) and a Zigbee signal antenna (501) respectively installed on the upper part and left and right sides of the shell (1) and connected to the Bluetooth module (3), the Wi-Fi module (4) and the Zibee module (5); The USB expander comprises a microcontroller arranged on a circuit board (6) in another chamber, a first USB interface (105) installed on a transverse partition (103) and corresponding to the three accommodating chambers respectively, a second USB interface (204) installed on the back of the housing (1) for connecting to a USB port of a control device, and a third USB interface (102) installed on the bottom of the housing (1) for serving as a spare USB port; the Bluetooth module (3), the Wi-Fi module (4), and the Zibee module (5) are respectively connected to the first USB interface (105) via a USB connector, and the first USB interface (105), the second USB interface (204), and the third USB interface (102) are respectively connected to the microcontroller.

2. A communication module based on 2.4G frequency band according to claim 1, characterized in that: Switch buttons (201) with switch indicator lights (202) are respectively installed on the wiring connecting the first USB interface (105) with the Bluetooth module (3), the Wi-Fi module (4), and the Zibee module (5).

3. A communication module based on 2.4G frequency band according to claim 1, characterized in that: The second USB interface (204) is installed in the accommodating cavity (203) at the back of the housing (1) via a rotating shaft structure, and the second USB interface (204) is accommodated and matched with the accommodating cavity (203) after rotation.

4. A communication module based on 2.4G frequency band according to claim 1, characterized in that: The bottom of the housing (1) is provided with a first heat dissipation through hole (101).

5. The communication module based on the 2.4G frequency band according to claim 1, characterized in that: The surface of the transverse partition (103) is provided with a second heat dissipation through hole (104).

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