Wireless network card

Abstract

The utility model discloses a wireless network card, which belongs to the technical field of cellular communication and comprises a circuit board, the circuit board comprises a CAT1 module, a Type-C interface, a power management circuit, a control circuit and an antenna, the CAT1 module is respectively connected with the power management circuit, the control circuit and the antenna, and the Type-C interface is connected with the power management circuit; through the Type-C interface, the wireless network card can be directly connected with equipment such as a mobile phone and a computer; the power management circuit is responsible for acquiring a power supply from a USB interface or a Type-C interface of the equipment and managing and distributing the power supply; the control circuit is used for controlling and managing a wireless communication function; the antenna is used for transmitting and receiving cellular signals; the wireless network card can realize a plug-and-play function, and can adapt to application scenes requiring real-time performance, mobility, certain bandwidth transmission capability and voice communication capability.

Description

Technical Field

[0001] The utility model belongs to the technical field of cellular communications, and in particular relates to a wireless network card. Background Art

[0002] Since 2019, conditions have gradually matured for the 2G and 3G network phaseout in my country's mobile communications network. With the rapid advancement of 5G deployment and the subsequent phasing out of 2G and 3G networks, the three major operators have invested in NB-IoT networks. However, NB-IoT networks are only suitable for scenarios involving small data transfers and static conditions, typically the three meters (water, electricity, and gas). However, NB-IoT networks are not suitable for applications requiring real-time performance, mobility, bandwidth, and voice communication capabilities.

[0003] A wireless network card is a device used for wireless network connection, allowing computers or other devices to communicate with the network via wireless signals. Existing wireless network cards generally have a built-in Wi-Fi chip and connect to the Internet through a Wi-Fi network. The coverage of a Wi-Fi network is relatively small and is suitable for connecting devices within a local area network. The coverage of a Wi-Fi network is limited by the range of the router.

[0004] Therefore, the existing technology lacks a networking device that can replace the NB-IoT network and Wi-Fi chip to adapt to application scenarios that require real-time performance, mobility, a certain bandwidth transmission capability and voice communication capability. Utility Model Content

[0005] In order to solve the problem of lack of a networking device that can replace NB-IoT network and Wi-Fi chip in the prior art, the utility model provides a wireless network card that can adapt to application scenarios that require real-time performance, mobility, certain bandwidth transmission capability and voice communication capability.

[0006] The technical solution of the utility model is:

[0007] The utility model provides a wireless network card, comprising a circuit board, wherein the circuit board includes a CAT1 module, a Type-C interface, a power management circuit, a control circuit and an antenna, the CAT1 module being connected to the power management circuit, the control circuit and the antenna respectively, and the Type-C interface being connected to the power management circuit.

[0008] Furthermore, it also includes a shell and a magnetic object, the circuit board and the magnetic object are arranged in the shell, and the magnetic object is located on one side of the circuit board.

[0009] Furthermore, the model of the CAT1 module is EC800G-CN, and pins 1, 10, 27, 34, 36, 37, 40, 41-43, 45-48, 70-73, and 88-95 of the CAT1 module are connected to the input power supply, pin 24 of the CAT1 module is connected to the output power supply, and pin 35 of the CAT1 module is connected to the antenna.

[0010] Furthermore, the shell includes an upper shell and a lower shell, the circuit board is located between the upper shell and the lower shell, and the magnetic object is arranged in the lower shell.

[0011] Furthermore, a power cord is provided between the shell and the Type-C interface, one end of the power cord is fixedly connected to the circuit board, and the Type-C interface is fixed to the other end of the power cord.

[0012] Furthermore, a boss is provided in the upper shell, a cylinder is provided in the lower shell, a notch is provided on the circuit board, and the boss passes through the notch and is clamped in the cylinder.

[0013] Furthermore, the upper shell is provided with a through hole, the circuit board is provided with a display screen, and the display screen is protruded in the through hole.

[0014] The beneficial effects of the present invention are:

[0015] A wireless network card is designed, which includes a CAT1 module, a Type-C interface, a power management circuit, a control circuit and an antenna. The CAT1 module is the core component of the wireless network card, which contains a cellular communication module and a SIM card slot. The cellular communication module is responsible for communicating with the cellular network, and the SIM card slot is used to insert the SIM card to obtain a network connection. The Type-C interface is the interface for connecting the wireless network card to the device. It provides data transmission and power supply functions. Through the Type-C interface, the wireless network card can be directly connected to mobile phones, computers and other devices. The wireless network card requires power supply to work properly. The power management circuit is responsible for obtaining power from the USB interface or Type-C interface of the device and managing and distributing the power to meet the power consumption requirements of the wireless network card. The control circuit is used to control and manage wireless communication functions. The control circuit can communicate with the main device, receive instructions and perform corresponding operations, such as connecting to the cellular network and sending data. The antenna is connected to the CAT1 module for transmitting and receiving cellular signals. The CAT1 module, Type-C interface, power management circuit, control circuit and antenna work together to enable the wireless network card to achieve plug-and-play functions, provide cellular network connection for the device, and adapt to application scenarios that require real-time, mobility, a certain bandwidth transmission capability and voice communication capabilities. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a circuit schematic diagram of a wireless network card of the present utility model;

[0017] Figure 2 This is a circuit diagram of a CAT1 module of a wireless network card of the present utility model;

[0018] Figure 3 This is a schematic diagram of the exploded structure of a wireless network card of the utility model;

[0019] Figure 4 This is a schematic diagram of the three-dimensional structure of a wireless network card of the present utility model;

[0020] Figure numerals: 1. Circuit board, 11. CAT1 module, 12. Power management circuit, 13. Control circuit, 14. Antenna, 15. Notch, 16. Display screen, 2. Type-C interface, 3. Shell, 31. Upper shell, 311. Boss, 312. Through hole, 32. Lower shell, 321. Cylinder, 4. Magnetic material, 5. Power cord. DETAILED DESCRIPTION

[0021] In order to make the technical problems, technical solutions and beneficial effects to be solved by 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 only used to explain the present invention and are not intended to limit the present invention.

[0022] It should be noted that when a component is referred to as being "installed on", "provided on", "covered on", "sleeved on", or "locked on" another component, it can be directly on the other component or indirectly on the other component.

[0023] It should be understood that, in the description of the present invention, “several” means two or more than two, unless otherwise clearly and specifically defined.

[0024] In addition, the terms "inside", "upper", "between", "both sides", "one side", "top", "bottom", "side", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limiting the present invention.

[0025] It should be noted that the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features indicated. Therefore, a feature designated as "first," "second," "third," etc. may explicitly or implicitly include one or more of such features.

[0026] It should be noted that the term "and / or" in this document merely describes an association between related objects, indicating that three possible relationships exist. For example, "A and / or B" can represent three situations: A exists alone, A and B exist simultaneously, and B exists alone. A and B can each be singular or plural.

[0027] Please refer to Figures 1-4 The utility model provides a wireless network card, including a circuit board 1, the circuit board 1 including a CAT1 module 11, a Type-C interface 2, a power management circuit 12, a control circuit 13 and an antenna 14, the CAT1 module 11 is respectively connected to the power management circuit 12, the control circuit 13 and the antenna 14, and the Type-C interface 2 is connected to the power management circuit 12; the CAT1 module 11 is the core component of the wireless network card, which contains a cellular communication module and a SIM card slot. The cellular communication module is responsible for communicating with the cellular network, and the SIM card slot is used to insert the SIM card to obtain a network connection; the Type-C interface 2 is the interface for connecting the wireless network card to the device. It provides data transmission and power supply functions. Through the Type-C interface 2, the wireless network card can be directly connected to mobile phones, computers and other devices; the wireless network card requires power supply to work normally. The power management circuit 12 is responsible for obtaining power from the USB interface or Type-C interface 2 of the device, and managing and distributing the power to meet the power consumption requirements of the wireless network card; the control circuit 13 is used to control and manage wireless communication functions. The control circuit 13 can communicate with the main device, receive instructions and perform corresponding operations, such as connecting to the cellular network, sending data, etc.; the antenna 14 is connected to the CAT1 module 11 for transmitting and receiving cellular signals.

[0028] Wireless network cards with CAT1 modules 11 are primarily used to connect low-speed, low-power IoT devices or machine-to-machine communications. Their main benefits include:

[0029] (1) Low power consumption: CAT1 module 11 is designed for low power consumption applications and can be used for a long time, suitable for equipment that needs to run for a long time;

[0030] (2) Wide coverage: Cellular networks generally have a wider coverage area and are suitable for scenarios that require communication over a larger area;

[0031] (3) High reliability: Cellular networks are generally stronger than Wi-Fi networks in terms of connection stability and reliability, and can provide stable communications under various environmental conditions;

[0032] (4) Global coverage: Cellular network coverage generally covers the entire world, enabling the CAT1 module 11 to be used in different regions and countries.

[0033] Furthermore, it also includes a shell 3 and a magnetic material 4. The circuit board 1 and the magnetic material 4 are arranged in the shell 3. The magnetic material 4 is located on one side of the circuit board 1. The magnetic material 4 is soft magnetic and has a magnetic attraction function. It can be adsorbed on the back of the mobile phone for easy carrying.

[0034] Further, refer to Figure 2 The model of the CAT1 module 11 is EC800G-CN. Pins 1, 10, 27, 34, 36, 37, 40, 41-43, 45-48, 70-73, and 88-95 of the CAT1 module 11 are connected to the input power supply, pin 24 of the CAT1 module 11 is connected to the output power supply, and pin 35 of the CAT1 module 11 is connected to the antenna 14. Pins 3-6, 8, 26, 44, 49-58, 68, 69, 74-78, 80, 81, 83-87, and 97-109 of the CAT1 module 11 are reserved pins.

[0035] Furthermore, the control circuit 13 includes an STM single chip microcomputer, and the STM single chip microcomputer of the control circuit 13 is connected to the CAT1 module 11 through a serial communication interface (such as UART, SPI or I2C) to realize control and management of wireless communication functions.

[0036] Furthermore, the housing 3 includes an upper shell 31 and a lower shell 32 , the circuit board 1 is located between the upper shell 31 and the lower shell 32 , and the magnetic object 4 is disposed in the lower shell 32 .

[0037] Furthermore, a power cord 5 is provided between the shell 3 and the Type-C interface 2 , one end of the power cord 5 is fixedly connected to the circuit board 1 , and the Type-C interface 2 is fixed to the other end of the power cord 5 .

[0038] Furthermore, a boss 311 is provided in the upper shell 31 , a cylinder 321 is provided in the lower shell 32 , a notch 15 is provided on the circuit board 1 , and the boss 311 passes through the notch 15 and is locked in the cylinder 321 .

[0039] Furthermore, the upper shell 31 is provided with a through hole 312, and the circuit board 1 is provided with a display screen 16, which is protruded in the through hole 312. The display screen 16 can display the networking status of the wireless network card. There is a signal graphic in the display screen 16. Because the Type-C interface 2 needs reaction time after being connected to the device, the working status of the wireless network card can be judged through the display screen 16. The red signal graphic indicates that the network is not connected normally, and the green signal graphic indicates that the network is connected normally.

[0040] The above-described embodiment merely represents one embodiment of the present invention. While the description is relatively specific and detailed, it should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art would be able to make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements fall within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be determined by the appended claims.

Claims

1. A wireless network card, characterized in that: The invention comprises a circuit board (1), a shell (3) and a magnetic object (4), wherein the circuit board (1) and the magnetic object (4) are arranged in the shell (3), and the magnetic object (4) is located on one side of the circuit board (1). The circuit board (1) comprises a CAT1 module (11), a Type-C interface (2), a power management circuit (12), a control circuit (13) and an antenna (14), wherein the CAT1 module (11) is connected to the power management circuit (12), the control circuit (13) and the antenna (14) respectively, and the Type-C interface (2) is connected to the power management circuit (12). The model of the CAT1 module (11) is EC800G-CN, and the 1st, 10th, 27th, 34th, 36th, 37th, 40th, 41st-43rd, 45th-48th, Pins 70-73 and 88-95 are connected to the input power supply, the 24th pin of the CAT1 module (11) is connected to the output power supply, and the 35th pin of the CAT1 module (11) is connected to the antenna (14).

2. The wireless network card according to claim 1, wherein: The housing (3) comprises an upper shell (31) and a lower shell (32); the circuit board (1) is located between the upper shell (31) and the lower shell (32); and the magnetic object (4) is located in the lower shell (32).

3. The wireless network card according to claim 2, wherein: A power cord (5) is provided between the housing (3) and the Type-C interface (2), one end of the power cord (5) is fixedly connected to the circuit board (1), and the Type-C interface (2) is fixed to the other end of the power cord (5).

4. The wireless network card according to claim 2, wherein: A convex column (311) is provided in the upper shell (31), a cylinder (321) is provided in the lower shell (32), a notch (15) is provided on the circuit board (1), and the convex column (311) passes through the notch (15) and is clamped in the cylinder (321).

5. The wireless network card according to claim 4, wherein: The upper shell (31) is provided with a through hole (312), the circuit board (1) is provided with a display screen (16), and the display screen (16) is protruded in the through hole (312).

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