一种氢浓度传感器壳体结构

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By designing a housing structure and a waterproof and breathable membrane for the hydrogen concentration sensor, the effects of high temperature and humidity on sensor measurements were resolved, enabling accurate monitoring of hydrogen concentration.

CN224518686UActive Publication Date: 2026-07-17JIUCHANG NEW ENERGY TECH (YANGZHOU) CO LTD +1

Patent Information

Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner: JIUCHANG NEW ENERGY TECH (YANGZHOU) CO LTD
Filing Date: 2025-07-09
Publication Date: 2026-07-17

AI Technical Summary

Technical Problem

Existing vehicle-mounted hydrogen concentration sensors are susceptible to high temperatures and humidity, leading to inaccurate measurement results.

Method used

A hydrogen concentration sensor housing structure including a shell and a top cover was designed. The bottom of the shell is provided with a detection port and equipped with a waterproof and breathable membrane. The interior is equipped with a sensor placement seat and a sealing ring. The shell and top cover are double-layered to isolate the influence of the external environment.

Benefits of technology

It effectively isolates the sensor from the influence of external temperature and humidity, ensuring the accuracy of measurement data, and improves response speed and facilitates installation through a 4-pin structure and cylindrical probe.

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Abstract

本实用新型涉及传感器生产制造领域，具体公开了一种氢浓度传感器壳体结构,包括壳体和上盖，壳体前端设置连接器接口，壳体左右两侧设置固定支架，壳体底部中间设置探测口，壳体内设置传感器放置座，传感器放置座中间设置圆孔，圆孔与探测口连通，圆孔内设置防水透气膜，传感器放置座顶部设置密封圈装配槽，密封圈装配槽内设置密封圈，通过设置壳体和盖板，在壳体底部设置探测口，并且在探测口上设置防水透气膜，能够将传感器安装在壳体内来对壳体外部进行数值测量，并且不会影响精度，又设置密封件来隔绝外部与壳体内部的环境，能够减少因为外部温度或者湿度对于氢浓度传感器造成的影响。

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Claims

1. A hydrogen concentration sensor housing structure comprising a housing (1) and an upper cover (2), characterized in that, The shell (1) is provided with a connector interface (1-1) at the front end, is provided with a fixed support (3) at the left and right sides, is provided with a detection port (1-2) at the bottom middle, is provided with a sensor placing seat (4) inside, is provided with a round hole (4-1) in the middle of the sensor placing seat (4), the round hole (4-1) is communicated with the detection port (1-2), is provided with a waterproof and breathable film (5) in the round hole (4-1), is provided with a sealing ring assembly groove (4-2) at the top of the sensor placing seat (4), is provided with a sealing ring (6) in the sealing ring assembly groove (4-2), is provided with an insert nut (7) around the shell (1), is provided with a PVB plate (8) on the four insert nuts (7), is provided with a bolt hole (8-1) around the PVB plate (8), and is provided with a bolt (9) in the bolt hole (8-1).

2. The hydrogen concentration sensor housing structure according to claim 1, wherein The shell (1) is welded with the upper cover (2).

3. The hydrogen concentration sensor housing structure according to claim 1, wherein The connector interface (1-1) is a 4PIN structure.

4. The hydrogen concentration sensor housing structure according to claim 1, wherein The fixed support (3) is provided with a through hole (3-1).

5. The hydrogen concentration sensor housing structure according to claim 1, wherein The detection port (1-2) is a cylindrical structure.

6. The hydrogen concentration sensor housing structure according to claim 1, wherein The shell (1) and the upper cover (2) are both double-layer structures.