摘要：【中文】一种温度探头，包括座体、连接体和转接头，转接头与连接体螺接连接；座体内设有PCB印制板、镀金片、敏感元件；PCB印制板上开有数个小孔，其底部设有安装位，安装位为镂空插槽结构；PCB印制板上在安装位两侧分别粘有镀金片，镀金片之间有空隙；敏感元件插入安装位，置于镀金片之间；座体为中部带有两侧贯通的阶梯孔的框架结构，PCB印制板嵌置于阶梯孔内的阶梯台面上；压盖盖合座体通过螺钉紧固连接并压盖PCB印制板的边缘；镀金片由两侧的通孔、阶梯孔曝露。本发明响应速度快，抗震性好，可以在恶劣环境使用，可应用于防爆场合，具有便捷的防爆结构安装接口。 【EN】A temperature probe comprises a base body, a connecting body and an adapter, wherein the adapter is in threaded connection with the connecting body; a PCB printed board, a gold plated sheet and a sensitive element are arranged in the base body; the PCB printed board is provided with a plurality of small holes, the bottom of the PCB printed board is provided with a mounting position, and the mounting position is of a hollow slot structure; gold-plated sheets are respectively adhered to two sides of the installation position on the PCB, and gaps are reserved among the gold-plated sheets; the sensitive element is inserted into the mounting position and is arranged between the gold-plated sheets; the base body is of a frame structure with a stepped hole which is communicated with two sides in the middle, and the PCB is embedded on a stepped table top in the stepped hole; the gland cover seat body is fastened and connected through a screw and covers the edge of the PCB; the gold plate is exposed from the through holes and the stepped holes on both sides. The explosion-proof structure has the advantages of high response speed, good earthquake resistance, capability of being used in severe environment, application to explosion-proof occasions and convenience in mounting an interface of the explosion-proof structure.

摘要：【中文】本发明公开了一种温度变化场景下实时监测天然气泄漏的方法及装置，包括：利用天然气浓度探测器获取相应的探测器原始数据，将温度、真实的天然气泄漏浓度、探测器原始数据关联存储为数据集一；利用所述数据集一创建BP神经网络并训练：利用天然气浓度探测器和BP神经网络预测函数获得使用场景中真实的天然气泄漏浓度；计算使用场景中真实的天然气泄漏浓度变化量；计算使用场景中真实的天然气泄漏浓度变化率；计算一段时间内的浓度变化量总和；预测未来一段时间后使用场景中的天然气泄漏浓度；如果超过预设的报警阈值，则进行报警。本发明实现在温度剧烈变化使用场景下，高精度、高灵敏度地检测天然气泄漏情况，并减少因为敏感探头的个体差异造成的监测结果有差异的情况，能够预测未来的天然气浓度，提前报警，且成本较低。 【EN】The invention discloses a method and a device for monitoring natural gas leakage in real time under a temperature change scene, wherein the method comprises the following steps: acquiring corresponding original data of a detector by using a natural gas concentration detector, and storing the temperature, the real natural gas leakage concentration and the original data of the detector in a correlation manner as a data set I; creating a BP neural network by using the data set I and training: acquiring the real natural gas leakage concentration in a use scene by using a natural gas concentration detector and a BP neural network prediction function; calculating the real natural gas leakage concentration variation in the use scene; calculating the real natural gas leakage concentration change rate in the use scene; calculating the sum of the concentration variation in a period of time; predicting natural gas leakage concentration in a use scene after a period of time in the future; and if the alarm threshold value is exceeded, alarming. The invention realizes the high-precision and high-sensitivity detection of the natural gas leakage condition under the use scene of severe temperature change, reduces the condition of difference of monitoring results caused by individual difference of the sensitive probe, can predict the future natural gas concentration, gives an alarm in advance and has lower cost.