Miniaturized BLE and NFC antenna

Abstract

The utility model relates to the technical field of antennas, in particular to a miniaturized BLE (Bluetooth Low Energy) and NFC (Near Field Communication) antenna, which comprises an equipment upper shell and an equipment lower shell, the equipment upper shell and the equipment lower shell are in threaded connection, and an accommodating space is formed between the equipment upper shell and the equipment lower shell; a containing space is formed in the lower device shell, a mainboard and an antenna PCB are arranged in the containing space, the mainboard is arranged at the bottom of the lower device shell, the antenna PCB is connected with the lower device shell through metal screws, the connecting position of the antenna PCB and the lower device shell is plated with gold and exposed to make contact with the lower device shell, and the lower device shell is made of metal materials. And the antenna PCB is connected with the main board. Compared with the prior art, the miniaturized BLE and NFC antenna disclosed by the utility model has the advantages that the equipment structure and the radiation environment are utilized to the greatest extent, the area and the length of the antenna are simplified, and miniaturization of a communication terminal product is easier to realize.

Description

[Technical Field]

[0001] This utility model relates to the field of antenna technology, and in particular to miniaturized BLE and NFC antennas. [Background Technology]

[0002] As people's demands for communication quality and the integration of communication equipment continue to increase, the penetration rate of various communication terminal devices in society is increasing rapidly. The most convenient and fastest way is wireless access, which requires an antenna. Wireless electronic products are increasingly favored by manufacturers and consumers, and the implementation of wireless technology in electronic products can facilitate and speed up information transmission, enabling consumers to keep abreast of information updates at any time.

[0003] Due to structural limitations, existing communication terminal devices have very limited space for antennas, resulting in poor performance of built-in antennas and complex environments. In contrast, NFC antennas, which are typically used for low-frequency communication, have a large area and long length, making it difficult to achieve miniaturization in communication terminal products. [Utility Model Content]

[0004] To overcome the above problems, this utility model proposes a miniaturized BLE and NFC antenna that can effectively solve the above problems.

[0005] The present invention provides a technical solution to the above-mentioned technical problems by providing a miniaturized BLE and NFC antenna, including a device shell and a device lower shell, wherein the device shell and the device lower shell are connected by threads, and an accommodating space is formed between the device shell and the device lower shell; a motherboard and an antenna PCB board are disposed in the accommodating space, the motherboard is disposed at the bottom of the device lower shell, the antenna PCB board is connected to the device lower shell by metal screws, the connection between the antenna PCB board and the device lower shell is gold-plated and exposed in contact with the device lower shell, and the device lower shell is made of metal material; the antenna PCB board is connected to the motherboard.

[0006] Preferably, the antenna PCB board includes a first antenna radiator and a second antenna radiator, wherein the first antenna radiator is soldered to the motherboard via pins, and the second antenna radiator is soldered to the motherboard via radio frequency lines.

[0007] Preferably, the first antenna radiator is provided with a first solder joint, one end of the pin is soldered to the first solder joint, and the other end of the pin is soldered to the motherboard.

[0008] Preferably, a second soldering point is provided on the second antenna radiator, one end of the radio frequency line is soldered to the second soldering point, and the other end of the radio frequency line is soldered to the motherboard.

[0009] Preferably, the antenna PCB board has several connection holes, which are connected to the lower housing of the device by through-hole metal screws.

[0010] Preferably, the lower shell of the device is provided with external threads around its perimeter, and the inner side of the upper shell of the device is provided with internal threads that match the external threads, and the external threads are connected to the internal threads.

[0011] Preferably, the lower shell of the device is integrally formed with a metal bracket, and the antenna PCB board is connected to the metal bracket by metal screws.

[0012] Preferably, the outer shell of the device is made of plastic.

[0013] Compared with existing technologies, the miniaturized BLE and NFC antennas of this invention are exposed at the connection between the antenna PCB board and the device's lower housing by gold plating, which maximizes the use of the device structure and radiation environment, simplifies the antenna area and length, and makes it easier to achieve miniaturization of communication terminal products. [Attached Image Description]

[0014] Figure 1 This is a structural diagram of the miniaturized BLE and NFC antenna of this utility model;

[0015] Figure 2 This is a structural diagram of the antenna PCB board for the miniaturized BLE and NFC antennas of this utility model.

Detailed Implementation Methods

[0016] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for illustrative purposes only and are not intended to limit the scope of this utility model.

[0017] It should be noted that in this embodiment of the invention, all directional indications (such as up, down, left, right, front, back, etc.) are limited to relative positions on the specified view, rather than absolute positions.

[0018] Furthermore, in this utility model, the use of terms such as "first," "second," etc., is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0019] Please see Figure 1 and Figure 2The miniaturized BLE and NFC antenna of this utility model includes an upper shell 10 and a lower shell 30, which are connected by threads, and an accommodating space is formed between the upper shell 10 and the lower shell 30.

[0020] The accommodating space is provided with a motherboard 40 and an antenna PCB board 20. The motherboard 40 is located at the bottom of the lower housing 30 of the device. The antenna PCB board 20 is connected to the lower housing 30 of the device by metal screws 60. The connection between the antenna PCB board 20 and the lower housing 30 is gold-plated and exposed, and is in contact with the lower housing 30 of the device. The lower housing 30 of the device is made of metal material.

[0021] The antenna PCB board 20 is connected to the motherboard 40.

[0022] The miniaturized BLE and NFC antenna of this invention is exposed at the connection between the antenna PCB board 20 and the device lower shell 30 by gold plating, which maximizes the use of the device structure and radiation environment, simplifies the antenna area and length, and makes it easier to achieve miniaturization of communication terminal products.

[0023] The antenna PCB board 20 includes a first antenna radiator 21 and a second antenna radiator 22. The first antenna radiator 21 is soldered to the motherboard 40 via a pin 50, and the second antenna radiator 22 is soldered to the motherboard 40 via an RF cable.

[0024] The first antenna radiator 21 is an NFC antenna, and the second antenna radiator 22 is a BLE antenna.

[0025] The first antenna radiator 21 is provided with a first solder point 211, one end of the pin 50 is soldered to the first solder point 211, and the other end of the pin 50 is soldered to the motherboard 40.

[0026] The second antenna radiator 22 is provided with a second solder point 221. One end of the radio frequency line is soldered to the second solder point 221, and the other end of the radio frequency line is soldered to the motherboard 40.

[0027] The antenna PCB board 20 has several connection holes 23, which are connected to the lower housing 30 of the device by metal screws 60.

[0028] The lower housing 30 of the device is provided with external threads 31 around its perimeter, and the inner side of the upper housing 10 is provided with internal threads that match the external threads 31. The external threads 31 are connected to the internal threads.

[0029] The lower shell 30 of the device is integrally formed with a metal bracket 32, and the antenna PCB board 20 is connected to the metal bracket 32 ​​by metal screws 60.

[0030] The outer shell 10 of the device is made of plastic.

[0031] Compared with the prior art, the miniaturized BLE and NFC antenna of this utility model is exposed at the connection between the antenna PCB board 20 and the device lower shell 30 by gold plating, which maximizes the use of the device structure and radiation environment, simplifies the antenna area and length, and makes it easier to achieve miniaturization of communication terminal products.

[0032] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. Any modifications, equivalent substitutions and improvements made within the concept of the present utility model should be included within the patent protection scope of the present utility model.

Claims

1. A miniaturized BLE and NFC antenna, characterized in that, It includes an upper shell and a lower shell, which are connected by threads, and an accommodating space is formed between the upper shell and the lower shell; The accommodating space contains a motherboard and an antenna PCB board. The motherboard is located at the bottom of the lower housing of the device. The antenna PCB board is connected to the lower housing of the device by metal screws. The connection between the antenna PCB board and the lower housing of the device is gold-plated and exposed, and is in contact with the lower housing of the device. The lower housing of the device is made of metal material. The antenna PCB board is connected to the motherboard.

2. The miniaturized BLE and NFC antenna of claim 1, wherein, The antenna PCB board includes a first antenna radiator and a second antenna radiator. The first antenna radiator is soldered to the motherboard via pins, and the second antenna radiator is soldered to the motherboard via radio frequency lines.

3. The miniaturized BLE and NFC antenna of claim 2, wherein, The first antenna radiator is provided with a first solder point, one end of the pin is soldered to the first solder point, and the other end of the pin is soldered to the motherboard.

4. The miniaturized BLE and NFC antenna of claim 2, wherein, The second antenna radiator is provided with a second solder point, one end of the radio frequency line is soldered to the second solder point, and the other end of the radio frequency line is soldered to the motherboard.

5. The miniaturized BLE and NFC antenna of claim 1, wherein, The antenna PCB board has several connection holes, which are connected to the lower shell of the device by metal screws.

6. The miniaturized BLE and NFC antenna of claim 1, wherein, The lower shell of the device is provided with external threads around its perimeter, and the inner side of the upper shell of the device is provided with internal threads that match the external threads. The external threads are connected to the internal threads.

7. The miniaturized BLE and NFC antenna of claim 1, wherein, The device has an integrally formed metal bracket for its lower shell, and the antenna PCB board is connected to the metal bracket by metal screws.

8. The miniaturized BLE and NFC antenna of claim 1, wherein, The outer shell of the device is made of plastic.

Images