抗干扰电路组件和电子设备

By setting a spring-loaded antenna on the circuit board, the problem of high-frequency magnetic field interference on electronic components on the circuit board is solved, achieving effective anti-interference protection without increasing space occupation.

CN224520190UActive Publication Date: 2026-07-17ZHEJIANG LINGAI FUTURE TECHNOLOGY CO LTD +1

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHEJIANG LINGAI FUTURE TECHNOLOGY CO LTD
Filing Date
2025-10-17
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Sensors and other devices on circuit boards are susceptible to interference from high-frequency magnetic field coupling, which can lead to signal distortion or device damage. Existing anti-interference solutions occupy a lot of space and cannot effectively weaken the high-frequency electromagnetic field energy in the discharge arc.

Method used

A spring-loaded antenna is placed on the circuit board and connected to the ground terminal. It surrounds the electronic device to form a barrier, captures and converts high-frequency electromagnetic field energy into common-mode current, and avoids radiation interference to the electronic device.

Benefits of technology

It effectively weakens the high-frequency electromagnetic field energy in the discharge arc, protects electronic devices, and the spring antenna is small in size and does not take up too much space.

✦ Generated by Eureka AI based on patent content.

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Abstract

本申请公开了一种抗干扰电路组件和电子设备,属于电子设备电磁兼容技术领域,包括:电路板,电路板具有接地端;电子器件,电子器件连接于电路板的一侧;弹片天线,弹片天线设置于电路板上,并与接地端连接,弹片天线与电子器件位于同侧,弹片天线围绕电子器件。本申请实施例提供的抗干扰电路组件通过在电路板上设置弹片天线,使得电子器件与外界形成阻隔,从而有效削弱放电电弧中的高频电磁场能量,并且弹片天线体积小,占用空间小。
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Claims

1. An interference-resistant circuit assembly, characterized by include: A circuit board (100) having a ground terminal; An electronic device (200) is connected to one side of the circuit board (100); A spring-loaded antenna (300) is disposed on the circuit board (100) and connected to the ground terminal. The spring-loaded antenna (300) and the electronic device (200) are located on the same side and surround the electronic device (200).

2. The anti-jamming circuit assembly of claim 1, wherein, The circuit board (100) has a metal layer (110) on the side away from the electronic device (200), the metal layer (110) having a first width W1, the first width W1 satisfying: 5mm≤W1≤10mm.

3. The anti-jamming circuit assembly of claim 1, wherein, The spring-loaded antenna (300) and the side of the circuit board (100) have a first distance D1, which satisfies: 5mm≤D1≤10mm.

4. The anti-jamming circuit assembly of claim 1, wherein, The spring antenna (300) includes a support (310) and a guide plate (320). The support (310) has a receiving cavity, and there are multiple guide plates (320), which are disposed in the receiving cavity.

5. The anti-jamming circuit assembly of claim 4, wherein, The support portion (310) includes a first support piece (311), a second support piece (312), a third support piece (313), and a fourth support piece (314). The first support piece (311), the second support piece (312), the third support piece (313), and the fourth support piece (314) are connected end to end to form the receiving cavity. One side of the guide piece (320) is connected to the first support piece (311), and the other side is suspended.

6. The anti-jamming circuit assembly of claim 5, wherein, The spring-loaded antenna (300) has a second direction Y and a third direction Z, the second direction Y being perpendicular to the third direction Z, and the guide plate (320) having a first height H1 along the third direction Z, the first height H1 satisfying: 1.5mm≤H1≤3mm; There is a second distance D2 between two adjacent guide vanes (320) along the second direction Y, and the second distance D2 satisfies: 0.8mm≤D2≤1.5mm.

7. The anti-interference circuit assembly according to claim 1, characterized in that, The spring-loaded antenna (300) has a first direction X, a second direction Y and a third direction Z, wherein the first direction X, the second direction Y and the third direction Z are mutually perpendicular; The spring antenna (300) has a first length L1 along the second direction Y, and the first length L1 satisfies: 15mm≤L1≤25mm.

8. The anti-jamming circuit assembly of claim 7, wherein, The spring antenna (300) has a second width W2 along the first direction X, and the second width W2 satisfies: 1mm≤W2≤2mm.

9. The anti-jamming circuit assembly of claim 7 or 8, wherein, The spring antenna (300) has a second height H2 along the third direction Z, and the second height H2 satisfies: 4mm≤H2≤8mm.

10. An electronic device, comprising: Includes the anti-interference circuit component as described in any one of claims 1-9.