Gateway

Abstract

The utility model discloses a gateway, which comprises a shell, a main control module, a WiFi chip, a WiFi half module and a selection circuit, the main control module, the WiFi chip, the WiFi half module and the selection circuit are positioned in the shell, the selection circuit comprises keys exposed on the surface of the shell, and the main control module is connected with the keys, the WiFi chip and the WiFi half module and used for controlling the WiFi chip and the WiFi half module to work according to signals from the keys. The gateway provided by the utility model can support WiFi and WiFi half, the WiFi half can be connected with a wireless terminal in a long distance, the wall penetrating capability is stronger, the coverage range is wider, when the gateway is used, a user can select the WiFi chip and / or the WiFi half module to work through the key, the WiFi chip can be selected to carry out data transmission through the key during short-distance connection, and the WiFi half module can be selected to carry out data transmission during long-distance connection.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic communication equipment, and more specifically to a gateway. Background Art

[0002] Gateway is also called network connector or protocol converter. Gateway realizes network interconnection above the network layer. It is a complex network interconnection device that can be used for both wide area network interconnection and local area network interconnection. However, the existing gateway products for local area network interconnection have a short distance to connect wireless terminal devices, poor wall penetration, small coverage, and poor user experience. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a gateway with strong wall penetration capability and wide coverage.

[0004] To solve the above technical problems, the utility model provides a gateway, comprising a shell and a main control module, a WiFi chip, a WiFi halow module and a selection circuit located in the shell, wherein the selection circuit comprises a button exposed on the surface of the shell, and the main control module is connected to the button, the WiFi chip and the WiFi halow module, and is used to control the operation of the WiFi chip and the WiFi halow module according to a signal from the button.

[0005] Its further technical solution is: the gateway also includes a power supply regulation circuit, the power supply regulation circuit includes an LDO voltage regulator chip and an output regulation circuit, wherein the output regulation circuit includes a resistance circuit and a regulation circuit, the regulation circuit includes a MOS tube, the input pin of the LDO voltage regulator chip is connected to an external power supply, the resistance circuit includes a resistor R261, a resistor R263 and a resistor R266 connected in sequence, and the end of the resistor R261 not connected to the resistor R263 is connected to the output pin of the LDO voltage regulator chip and serves as the output end of the power supply regulation circuit to power the WiFi halow module, the resistor R266 is grounded, the drain of the MOS tube is connected to the end where the resistor R263 and the resistor R266 are connected, and the source thereof is grounded, and the gate of the MOS tube is connected to the main control module to be turned on or off under the control of the main control module, thereby adjusting the output voltage.

[0006] A further technical solution is: the regulating circuit further includes a resistor R265 and a resistor R267, the gate of the MOS tube is connected to the main control module through the resistor R265, and the resistor R267 is connected between the gate of the MOS tube and the ground.

[0007] A further technical solution is: the regulating circuit further includes a resistor R264, and the resistor R264 is connected to the gate of the MOS tube and the output end of the power supply regulating circuit.

[0008] Its further technical solution is: the output regulation circuit also includes a capacitor C306, one end of the capacitor C306 is connected to the output end of the power supply regulation circuit, the other end is connected to one end of R261 and the resistor R263, and is connected to the feedback pin of the LDO voltage regulator chip.

[0009] A further technical solution is as follows: the output regulating circuit further comprises a filtering circuit, the filtering circuit comprises a filtering capacitor C307 and a filtering capacitor C308, and the filtering capacitor C307 and the filtering capacitor C308 are connected in parallel between the output end of the power supply regulating circuit and the ground.

[0010] Its further technical solution is: the main control module includes a main control chip of model MT7621A, and the LDO voltage regulator chip of model ETA5060.

[0011] Its further technical solution is: the selection circuit also includes a resistor R268, a resistor R269 and a capacitor C310, one end of the resistor R268, the resistor R269 and the capacitor C310 are all connected to the button, the other end of the resistor R269 is connected to the main control module, and the other ends of the resistor R268 and the capacitor C310 are respectively connected to the power supply and the ground.

[0012] A further technical solution is: the gateway also includes a USB to Ethernet chip, and the USB to Ethernet chip is connected to the main control module.

[0013] A further technical solution is as follows: the shell surface is also provided with a LAN port and a WAN port connected to the main control module.

[0014] Compared with the prior art, the gateway of the utility model is provided with a WiFi chip and a WiFi halow module, that is, the gateway of the utility model supports WiFi and WiFi halow, WiFi halow can connect to wireless terminals over long distances, has strong wall penetration ability, wide coverage, and can access more devices. When the gateway of the utility model is used, the WiFi chip can be selected to work by a button during short-distance connection, that is, the main control module can select the WiFi chip according to the signal of the button, thereby using the WiFi chip for transmission, and can choose to control the WiFi halow module to work during long-distance connection, so as to use the WiFi halow module for transmission, thereby improving the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1It is a circuit block diagram of a specific embodiment of the gateway of the utility model.

[0016] Figure 2 It is a specific circuit structure diagram of the power supply regulating circuit in the gateway of the utility model.

[0017] Figure 3 It is a specific circuit structure diagram of the selection circuit in the gateway of the utility model. DETAILED DESCRIPTION

[0018] In order to enable ordinary technicians in the field to more clearly understand the purpose, technical solutions and advantages of the utility model, the utility model is further explained below in conjunction with the accompanying drawings and embodiments.

[0019] Reference Figures 1 to 3 , Figures 1 to 3A specific embodiment of the gateway of the utility model is shown. In the embodiment shown in the accompanying drawings, the gateway includes a shell and a main control module 11, a WiFi chip 12, a WiFi halow module 13 and a selection circuit 14 located in the shell, wherein the selection circuit 14 includes a button J34 exposed on the surface of the shell, and the main control module 11 is connected to the button J34, the WiFi chip 12 and the WiFi halow module 13, and is used to control the operation of the WiFi chip 12 and the WiFi halow module 13 according to the signal from the button J34; specifically, in this embodiment, the main control module 11 can identify the state of the button J34 by identifying the level change of the signal from the button J34 (i.e., the level change of the SWITCH signal in the figure), thereby selecting to control the operation of the WiFi chip 12 and / or the WiFi halow module 13, and the operation of the WiFi chip 12 and / or the WiFi halow module 13 can be selected by pressing the button J34. For example, when the button J34 is pressed once, the WiFi chip 12 can be turned on or off, and when the button is pressed twice in quick succession, the WiFi halow module 13 can be turned on or off; or the WiFi chip 12 and the WiFi halow module 13 are turned on or off at the same time. Preferably, the main control module 11 includes a main control chip 111 of model MT7621A, the WiFi chip 12 of model MT7603C, and the WiFi halow module 13 uses a chip of model MM6108. It is understandable that in some other embodiments, other types of chips that can also achieve the above functions can also be used. Based on the above design, the gateway of the present utility model can support WiFi and WiFi halow. WiFi halow can connect to wireless terminals over long distances, has strong wall penetration ability, wide coverage, and can access more devices. When the gateway of the present utility model is used, the user can select the WiFi chip 12 and / or the WiFi halow module 13 to work through the button J34. When connecting over a short distance, the WiFi chip 12 can be selected to work through the button J34, thereby using the WiFi chip 12 for transmission. When connecting over a long distance, the WiFi halow module 13 can be selected to work and the WiFi halow module 13 can be used for transmission, thereby improving the user experience.

[0020] Preferably, in certain embodiments, Figure 3As shown, the selection circuit 14 also includes a resistor R268, a resistor R269 and a capacitor C310, one end of the resistor R268, the resistor R269 and the capacitor C310 are all connected to the button J34, the other end of the resistor R269 is connected to an input pin of the main control chip 111, and the other ends of the resistor R268 and the capacitor C310 are respectively connected to the power supply and the ground. In this embodiment, the power supply is a 3.3V power supply.

[0021] Furthermore, in some embodiments, the gateway further includes a power supply regulating circuit 15, such as Figure 2 As shown, the power supply regulation circuit 15 includes an LDO voltage regulator chip U39 and an output regulation circuit, wherein the model of the LDO voltage regulator chip can be ETA5060, and the output regulation circuit includes a resistance circuit and a regulation circuit, and the regulation circuit includes a MOS tube Q25, and the input pin of the LDO voltage regulator chip U39 is connected to an external power supply, and the resistance circuit includes a resistor R261, a resistor R263 and a resistor R266 connected in sequence, and the end of the resistor R261 not connected to the resistor R263 is connected to the output pin of the LDO voltage regulator chip U39, and serves as the output end of the power supply regulation circuit 15 to supply power to the WiFi halow module 13, the resistor R266 is grounded, the drain of the MOS tube Q25 is connected to the end where the resistor R263 and the resistor R266 are connected, and the source thereof is grounded, and the gate of the MOS tube Q25 is connected to an output pin (GPIO pin) of the main control chip 111, so as to be turned on or off under the control of the main control chip 111, thereby adjusting the output voltage. In the present invention, the MOS tube Q25 is usually in the off state, and the 5V external power supply is input to the LDO voltage regulator chip U39 and then outputs a 3.3V voltage through the resistor circuit to power the WiFi halow module 13. When the GPIO pin of the main control chip 111 outputs a high level to the gate of the MOS tube Q25, that is, when GES_TXCLX in the figure is high, the MOS tube Q25 is turned on. At this time, the 5V external power supply is input and then outputs a 4.8V voltage to power the WiFi halow module 13, so as to increase the transmission power of WiFi halow.

[0022] In this embodiment, the regulating circuit also includes a resistor R265, a resistor R267 and a resistor R264. The gate of the MOS tube Q25 is connected to the main control chip 111 through the resistor R265. The resistor R267 is connected between the gate of the MOS tube Q25 and the ground. The resistor R264 connects the gate of the MOS tube Q25 and the output end of the power supply regulating circuit 15.

[0023] In some embodiments, the output regulation circuit also includes a capacitor C306 and a filter circuit, one end of the capacitor C306 is connected to the output end of the power supply regulation circuit 15, and the other end is connected to one end of R261 connected to the resistor R263, and is connected to the feedback pin (pin 4) of the LDO voltage regulator chip U39; the filter circuit includes a filter capacitor C307 and a filter capacitor C308, the filter capacitor C307 and the filter capacitor C308 are connected in parallel between the output end of the power supply regulation circuit 15 and the ground, and the end of the filter circuit connected to the output end of the power supply regulation circuit 15 is also connected to an output resistor R259.

[0024] It can be understood that when the gateway of the utility model is used, the WiFi halow module 13 can be selected to work through the button J34 during long-distance connection, and the external IoT device can be connected, and the WiFi halow module 13 can be used to receive and transmit data of the external IoT device. When the connection is short-distance, the WiFi chip 12 can be selected to work and connect to the external IoT device, so as to use the WiFi chip 12 for transmission, and it can also be used as an uplink path to connect to the WiFi of a router or other gateway to upload the data received using WiFi halow.

[0025] Furthermore, in some embodiments, the gateway further includes a USB to Ethernet chip 16, and the USB to Ethernet chip 16 is connected to the main control chip 111. Preferably, the USB to Ethernet chip 16 uses a low-power USB2.0 to Ethernet chip of model RTL8152B. Based on this design, the gateway of the utility model supports USB-LAN function, can be connected to a computer via TYPE-C, can function as an external network card, and the computer can also be connected to the Ethernet of the gateway while powering the gateway.

[0026] In some other embodiments, the housing surface may also be provided with a LAN port and a WAN port connected to the main control chip 111. In the present invention, a gigabit LAN port and a gigabit WAN port may be provided on the housing, and a computer may be connected through the LAN port, and an external network may be connected through the WAN port, and data may be uploaded to the cloud.

[0027] In summary, the gateway of the utility model can support WiFi and WiFi halow. WiFi halow can connect to wireless terminals over long distances, has strong wall penetration ability, wide coverage, and can access more devices. When the gateway of the utility model is used, the user can select the WiFi chip and / or WiFi halow module to work by pressing a button, and data can be transmitted at long and short distances. The power supply adjustment circuit can also be used to adjust the power transmitted to the WiFi halow module, thereby changing the transmission power of WiFi halow. It can also support USB-LAN function, which can improve the user experience.

[0028] The above description is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Those skilled in the art can make various equivalent changes and improvements based on the above embodiments, and all equivalent changes or modifications made within the scope of the claims should fall within the protection scope of the utility model.

Claims

1. A gateway, characterized in that: The gateway includes a shell and a main control module, a WiFi chip, a WiFi halow module and a selection circuit located in the shell, wherein the selection circuit includes a button exposed on the surface of the shell, and the main control module is connected to the button, the WiFi chip and the WiFi halow module to control the operation of the WiFi chip and the WiFi halow module according to a signal from the button.

2. The gateway according to claim 1, characterized in that The gateway also includes a power supply regulation circuit, which includes an LDO voltage regulator chip and an output regulation circuit, wherein the output regulation circuit includes a resistance circuit and a regulation circuit, and the regulation circuit includes a MOS tube. The input pin of the LDO voltage regulator chip is connected to an external power supply. The resistance circuit includes a resistor R261, a resistor R263, and a resistor R266 connected in sequence, and the end of the resistor R261 that is not connected to the resistor R263 is connected to the output pin of the LDO voltage regulator chip and serves as the output end of the power supply regulation circuit to power the WiFi halow module. The resistor R266 is grounded, the drain of the MOS tube is connected to the end where the resistor R263 and the resistor R266 are connected, and the source thereof is grounded. The gate of the MOS tube is connected to the main control module to be turned on or off under the control of the main control module, thereby adjusting the output voltage.

3. The gateway according to claim 2, characterized in that The regulating circuit also includes a resistor R265 and a resistor R267. The gate of the MOS tube is connected to the main control module through the resistor R265, and the resistor R267 is connected between the gate of the MOS tube and the ground.

4. The gateway according to claim 3, characterized in that The regulating circuit also includes a resistor R264, and the resistor R264 is connected to the gate of the MOS tube and the output end of the power supply regulating circuit.

5. The gateway according to claim 2, characterized in that: The output regulation circuit also includes a capacitor C306, one end of which is connected to the output end of the power supply regulation circuit, and the other end is connected to one end of R261 connected to the resistor R263, and is connected to the feedback pin of the LDO voltage regulator chip.

6. The gateway according to claim 2, characterized in that: The output regulating circuit further includes a filtering circuit, which includes a filtering capacitor C307 and a filtering capacitor C308. The filtering capacitor C307 and the filtering capacitor C308 are connected in parallel between the output end of the power supply regulating circuit and the ground.

7. The gateway according to claim 2, characterized in that: The main control module includes a main control chip of model MT7621A, and the LDO voltage regulator chip of model ETA5060.

8. The gateway according to claim 1, characterized in that: The selection circuit also includes a resistor R268, a resistor R269 and a capacitor C310, one end of each of the resistor R268, the resistor R269 and the capacitor C310 are connected to the button, the other end of the resistor R269 is connected to the main control module, and the other ends of the resistor R268 and the capacitor C310 are respectively connected to the power supply and the ground.

9. The gateway according to claim 1, characterized in that: The gateway also includes a USB to Ethernet chip, and the USB to Ethernet chip is connected to the main control module.

10. The gateway according to claim 1, characterized in that: The shell surface is also provided with a LAN port and a WAN port connected to the main control module.

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