A pipeline pressure detection system and detection method
A pipeline pressure and detection system technology, applied in the measurement of fluid pressure, measuring devices, instruments, etc., can solve the problem of affecting the safety and reliability of blood component separation or collection, and cannot guarantee the accuracy and reliability of the pressure measurement value in the pipeline, etc. problem, to achieve the effect of simple operation
Active Publication Date: 2018-12-21
SICHUAN NIGALE BIOTECH
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Problems solved by technology
For this kind of pipeline system with air filter plug, when detecting the positive or negative pressure in the pipeline during its working process, it is first necessary to detect whether the air filter plug in the pipeline system is installed, and then the pipeline can be checked. Otherwise, the accuracy and reliability of the pressure measurement value in the pipeline cannot be guaranteed, thus affecting the safety and reliability of blood component separation or collection
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[0020] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0021] Such as figure 1 The shown pipeline pressure detection system mainly includes a pressure acquisition device, and the structure of the pressure acquisition device is as follows: figure 2 As shown, it mainly includes a base 3, a pressure sensor 5 and a pipeline connector 14, and an air pressure cavity 31 and a pressure sensor installation cavity are arranged inside the base 3, and the pressure sensor 5 is fixedly installed on the base 3 and located at the pressure sensor Inside the installation cavity, a second plug 4 is provided at the outlet end of the pressure sensor installation cavity,...
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The invention provides a pipeline pressure detecting system and method. The pipeline pressure detecting system comprises a pressure collecting device, wherein the pressure collecting device comprises a base (3), a pressure sensor (5) and a pipe joint (14). An air pressure chamber (31) is disposed in the base (3). The pressure sensor (5) and the pipe joint (14) are fixedly mounted on the base (3). The pipe joint (14) communicates with the air pressure chamber (31). The pressure sensor (5) senses and acquires a pressure signal in the air pressure chamber (31). In pipeline internal pressure detection, the pipe joint is in sealed connection with a pipeline to be tested and the pressure sensor senses and acquires the pressure inside the air pressure chamber. Thus, the internal pressure of the pipeline can be easily detected. After the pressure detection is completed, the pipeline to be tested is directly pulled out. The pipeline pressure detecting system and method are especially suitable for the separation of blood components or are used in combination with collection consumables, and are simple in operation and safe.
Description
technical field [0001] The invention relates to the technical field of pipeline pressure monitoring, in particular to a pipeline pressure detection system and detection method applied to pipelines with air filter plugs. Background technique [0002] Clinical blood is widely used in the field of modern medicine. The collection and separation of blood have strict applicable requirements for blood component separation or collection consumables. For example, in the process of blood collection, after the blood flows out from the venous vessel, it enters the blood collection line and mixes with the blood anticoagulant in the blood collection line; The road continuously draws blood from the veins. In order to collect more blood smoothly, it is necessary to detect the air pressure in the blood collection pipeline during the continuous operation of the peristaltic pump; and the peristaltic pump will adjust the speed according to the detected pressure to prevent the blood from Disco...
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IPC IPC(8): G01L11/00G01L19/00
CPCG01L11/00G01L19/003
Inventor 张孝洪江玲
Owner SICHUAN NIGALE BIOTECH