PEM燃料电池温感检测装置

Abstract

本实用新型涉及燃料电池温度检测技术领域，具体公开了一种PEM燃料电池温感检测装置。包括壳体和线路板，壳体中开设有安装槽，安装槽中安装有热敏电阻，壳体两侧设置有压片槽，壳体底部设置有底胶，壳体两侧均设置有安装板，两个安装板上均等距开设有若干个连接孔，两个安装板侧壁上安装有弹性压片。本装置通过底胶配合弹性压片与连接孔、连接杆的设计，实现了快速粘贴与卡接组装，提升了安装效率，通过连接杆插入安装板不同连接孔可灵活调节弹性压片压力，确保装置稳固，保障温度检测准确，维护时仅需断开电路、移除底胶即可拆卸分离，便于检修。

Claims

1. A PEM fuel cell temperature sensing and detection device, characterized in that, The device includes an outer shell (1) and a circuit board (5). The outer shell (1) is fixed to the surface of the PEM fuel cell (14) by a patch fixing method, and a thermistor (2) is provided inside the outer shell (1). A base adhesive (10) is also provided at the bottom of the outer shell (1). The circuit board (5) is located at one end of the outer shell (1), and a pressing groove (102) is reserved on both sides of the shell (1). A spring-loaded fixing mechanism is provided in the pressing groove (102), and the spring-loaded fixing mechanism is matched with the PEM fuel cell (14).

2. A PEM fuel cell temperature sensing device as claimed in claim 1, wherein, The spring-loaded fixing mechanism includes mounting plates (7) on both sides of the housing (1). Several connecting holes (13) are provided on both mounting plates (7). Elastic pressure plates (8) can also be detachably installed on the inner sidewalls of the two mounting plates (7).

3. A PEM fuel cell temperature sensing device as claimed in claim 2, wherein, The elastic pressure plate (8) is provided with a connecting rod (9), which is inserted into the connecting hole (13). One side surface of the elastic pressure plate (8) is always in elastic contact with the outer wall of the housing (1) where the pressure plate groove (102) is located.

4. A PEM fuel cell temperature sensing device as claimed in claim 2, wherein the temperature sensing device is a thermistor. A bracket (15) is connected to the side wall of the mounting plate (7), and a bolt (16) is provided at the end of the bracket (15). The bracket (15) is snapped into the PEM fuel cell (14) by the bolt (16).

5. The PEM fuel cell temperature sensing device of claim 1, wherein the temperature sensing device is a thermistor. The bottom of the base adhesive (10) is also provided with release paper (11), which is folded into two layers.

6. A PEM fuel cell temperature sensing device as claimed in claim 1, wherein, A pull strip (12) is provided at the bottom of one end of the base adhesive (10), and the pull strip (12) is provided on the outside of the housing (1).

7. A PEM fuel cell temperature sensing device as claimed in claim 1, wherein, The housing (1) is provided with a mounting groove (101), and the thermistor (2) is disposed in the mounting groove (101).

8. A PEM fuel cell temperature sensing device as claimed in claim 7, wherein the temperature sensing device is a thermistor. The mounting groove (101) is also filled with sealant (6), which wraps around the outside of the thermistor (2).

9. A PEM fuel cell temperature sensing device as claimed in claim 1, wherein, The thermistor (2) is connected to the circuit board (5) by a lead wire (3) and a terminal block (4).

10. The PEM fuel cell temperature sensing device of claim 1, wherein the temperature sensing device is a thermistor. The adhesive (10) is bonded to the PEM fuel cell (14).

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