綜合佈線基礎知識：電纜接頭測量方法有哪些

详情描述：

電纜接頭主要是用來鎖緊和固定進出線，起到防水防塵防震動的作用。
電纜接頭測量方法有哪些?
感溫電纜式測溫：將感溫電纜與電纜平行安放,當電纜溫度超過固定溫度值時,感測電纜被短路,向控制系統發出報警信號。
熱敏電阻式測溫：利用熱敏電阻可以測出電纜溫度值。
紅外傳感式測溫：利用一切溫度高於零度的物體都在不停地向周圍空間發出紅外輻射能量。
熱電偶式測溫：熱電偶傳輸信號需用專用補償線。
集成電路式測溫：集成電路型的測溫元件有多種類型，其中電流輸出型的元件是常見的一種。
光纖分佈式溫度監測：較為先進的一種系統。通過光纖中傳輸的激光脈衝產生後向喇曼散射溫度效應來完成對溫度的測量。
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What are the measuring methods for cable joints?
Temperature sensing cable type temperature measurement: Place the temperature 
sensing cable in parallel with the cable. When the cable temperature exceeds a 
fixed temperature value, the sensing cable is short-circuited and an alarm 
signal is sent to the control system.
Thermistor temperature measurement: The thermistor can be used to measure the 
cable temperature.
Infrared sensor temperature measurement: All objects whose temperature is 
higher than absolute zero are constantly emitting infrared radiation energy to 
the surrounding space.
Thermocouple type temperature measurement: The thermocouple transmission 
signal requires a dedicated compensation line.
Integrated circuit temperature measurement: There are many types of 
integrated circuit temperature measurement components, of which the current 
output type component is the most common one.
Optical fiber distributed temperature monitoring: a more advanced system. The 
temperature is measured by the back Raman scattering temperature effect of the 
laser pulse transmitted in the optical fiber.
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