5G intelligent door lock and door handle antenna
By employing a metal casing and PCB board design in the door handle antenna of the smart door lock, the problems of complex manufacturing and high cost in existing technologies are solved, enabling high-performance remote unlocking and data transmission.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENZHEN BOGESI COMM TECH CO LTD
- Filing Date
- 2025-06-13
- Publication Date
- 2026-04-24
AI Technical Summary
Existing smart door lock handle antennas are complex to manufacture, costly, and their isolation and radiation performance cannot meet the requirements.
The antenna body is constructed using a metal casing. Taking advantage of the clearance and height at the door handle, and in conjunction with the PCB board and pin design, an adjustable resonant circuit is incorporated to improve radiation and isolation performance.
The antenna's radiation and isolation performance has been improved, reducing manufacturing difficulty and cost, and meeting the remote unlocking and data transmission requirements of smart door locks.
Smart Images
Figure CN224164392U_ABST
Abstract
Description
[Technical Field]
[0001] This utility model relates to the field of 5G smart door lock antenna technology, and in particular to a 5G smart door lock door handle antenna. [Background Technology]
[0002] With the popularization of smart homes, smart door locks have become an important part of smart home systems, and door handle antennas are one of the key components for smart door locks to achieve remote unlocking and data transmission.
[0003] Current smart lock handle antennas primarily employ structures such as metal springs and printed antennas. These structures are typically complex to manufacture, costly, and susceptible to environmental influences. Furthermore, the isolation and radiation performance of some antenna structures fails to meet the requirements of smart locks. [Utility Model Content]
[0004] To overcome the above problems, this utility model proposes a 5G smart door lock handle antenna that can effectively solve the above problems.
[0005] The present invention provides a technical solution to solve the above-mentioned technical problems: a 5G smart door lock handle antenna, including a bottom shell and a top shell, the bottom shell and the top shell being connected as one unit, forming an accommodating space between the bottom shell and the top shell, and a PCB board being disposed in the accommodating space; a first pin and a second pin are connected to the PCB board, the top ends of the first pin and the second pin being respectively connected to the inner sidewall of the top shell; the top shell is made of metal material, and the top shell serves as the antenna body; the distance between the inner sidewall of the top shell and the PCB board is greater than 5mm and less than 30mm.
[0006] Preferably, the PCB board is provided with an antenna switch and a power supply point, the first pin is connected to the antenna switch, and the second pin is connected to the power supply point.
[0007] Preferably, a plurality of connecting posts are provided inside the bottom shell, and the PCB board is fixed to the connecting posts by screws.
[0008] Preferably, the first ejector pin and the second ejector pin are elastic.
[0009] Preferably, the PCB board includes an adjustable resonant circuit.
[0010] Preferably, the bottom shell is made of a metallic or non-metallic material.
[0011] Preferably, the bottom shell and the top shell are fixedly connected.
[0012] Compared with existing technologies, the 5G smart door lock handle antenna of this utility model adopts a metal shell main structure as the antenna body, which effectively utilizes the clearance and height position of the door handle, improves the antenna's radiation performance and isolation performance, meets the needs of smart door lock remote unlocking and data transmission, is easy to manufacture, and helps to reduce the size and cost of the antenna. [Attached Image Description]
[0013] Figure 1 This is an overall structural diagram of the 5G smart door lock handle antenna of this utility model;
[0014] Figure 2 This is an exploded view of the antenna structure of the 5G smart door lock handle of this utility model.
Detailed Implementation Methods
[0015] 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.
[0016] 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.
[0017] 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.
[0018] Please see Figure 1 and Figure 2 The 5G smart door lock handle antenna of this utility model includes a bottom shell 10 and a top shell 20, which are connected as a whole, and an accommodating space is formed between the bottom shell 10 and the top shell 20. A PCB board 30 is disposed in the accommodating space.
[0019] The PCB board 30 is connected to a first pin 31 and a second pin 32. The top ends of the first pin 31 and the second pin 32 are respectively connected to the inner sidewall of the top shell 20. The top shell 20 is made of metal material and serves as the antenna body.
[0020] The distance between the inner wall of the top shell 20 and the PCB board 30 is greater than 5mm and less than 30mm.
[0021] The 5G smart door lock handle antenna of this utility model adopts a metal shell main structure as the antenna body, which effectively utilizes the clearance and height position of the door handle, improves the antenna's radiation performance and isolation performance, meets the needs of smart door lock remote unlocking and data transmission, is easy to manufacture, and helps to reduce the size and cost of the antenna.
[0022] The PCB board 30 is provided with an antenna switch and a power supply point. The first pin 31 is connected to the antenna switch, and the second pin 32 is connected to the power supply point.
[0023] The PCB board 30 includes an adjustable resonant circuit, which helps to improve the bandwidth and stability of the antenna.
[0024] The adjustable resonant circuit is an antenna impedance matching circuit, including π-type and double L-type types.
[0025] The bottom shell 10 is provided with a plurality of connecting posts 11, and the PCB board 30 is fixed to the connecting posts 11 by screws 33.
[0026] The bottom shell 10 and the top shell 20 are fixedly connected.
[0027] The bottom shell 10 can be made of metallic or non-metallic materials.
[0028] The first ejector pin 31 and the second ejector pin 32 are elastic, which helps to make the contact more stable.
[0029] Compared with existing technologies, the 5G smart door lock handle antenna of this utility model adopts a metal shell main structure as the antenna body, which effectively utilizes the clearance and height position of the door handle, improves the antenna's radiation performance and isolation performance, meets the needs of smart door lock remote unlocking and data transmission, is easy to manufacture, and helps to reduce the size and cost of the antenna.
[0030] 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
The 1.5G smart door lock handle antenna is characterized by, It includes a bottom shell and a top shell, which are connected as one unit, and an accommodating space is formed between the bottom shell and the top shell. A PCB board is disposed in the accommodating space. The PCB board is connected to a first pin and a second pin. The top ends of the first pin and the second pin are respectively connected to the inner sidewall of the top shell. The top shell is made of metal material and serves as the antenna body. The distance between the inner wall of the top shell and the PCB board is greater than 5mm and less than 30mm.
2. The 5G smart door lock handle antenna as described in claim 1, characterized in that, The PCB board is provided with an antenna switch and a power supply point. The first pin is connected to the antenna switch, and the second pin is connected to the power supply point.
3. The 5G smart door lock handle antenna as described in claim 1, characterized in that, The bottom shell is provided with several connecting posts, and the PCB board is fixed to the connecting posts by screws.
4. The 5G smart door lock handle antenna as described in claim 1, characterized in that, The first and second ejector pins are elastic.
5. The 5G smart door lock handle antenna as described in claim 1, characterized in that, The PCB board includes an adjustable resonant circuit.
6. The 5G smart door lock handle antenna as described in claim 1, characterized in that, The bottom shell can be made of metal or non-metal materials.
7. The 5G smart door lock handle antenna as described in claim 1, characterized in that, The bottom shell and the top shell are fixedly connected.