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A pipeline pressure acquisition device and acquisition method

A pipeline pressure and collection device technology, which is applied to measurement devices, fluid pressure measurement, 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 pressure measurement values ​​in the pipeline. problem, to achieve the effect of simple operation

Active Publication Date: 2019-07-19
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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  • A pipeline pressure acquisition device and acquisition method
  • A pipeline pressure acquisition device and acquisition method
  • A pipeline pressure acquisition device and acquisition method

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Embodiment Construction

[0020] In order to make the objectives, technical solutions, and advantages of the present invention clearer, the present invention will be described in detail below with reference to the drawings and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

[0021] Such as figure 1 The pressure acquisition device shown mainly includes a base 3, a pressure sensor 5 and a pipe joint 14. An air pressure cavity 31 and a pressure sensor mounting cavity are arranged inside the base 3, and the pressure sensor 5 is fixedly installed on the base 3. And located inside the pressure sensor installation cavity, a second plug 4 is arranged at the outlet end of the pressure sensor installation cavity, and a sealing structure is formed between the second plug 4 and the base 3 so that the pressure sensor installation cavity forms a sealed cavity. In order to improve the rel...

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Abstract

The invention provides a pipe pressure collection device and method. The pipe pressure collection device comprises a base, a pressure sensor and a pipe connector, an air pressure cavity is formed in the base, the pressure sensor and the pipe connector are fixedly installed on the base separately, the pipe connector is communicated with the air pressure cavity, and the pressure sensor senses and collects pressure signals in the air pressure cavity. Preferably, the pipe pressure collection device further comprises an elastic sleeve and a protection sleeve, the protection sleeve is provided with a pipe connector, the elastic sleeve is connected with the base and the protection sleeve separately, and the pipe connector is located in an inner cavity of the protection sleeve; the protection sleeve moves relative to the pipe connector and resets under the action of elastic force of the elastic sleeve. The pipe pressure collection device and a pipe to be detected are connected in a sealed mode to form a sealed pipe system, a collection operation on the pressure signals in the pipe to be detected can be conveniently completed by means of the pressure sensor, operation is easy and safe, and the pipe pressure collection device is particularly suitable for being used with consumables for blood component separation or collection in a matched mode.

Description

Technical field [0001] The invention relates to the technical field of pipeline pressure monitoring, in particular to a pipeline pressure collection device and a collection method applied to a pipeline with an air filter plug. Background technique [0002] Clinical blood is widely used in the field of modern medicine, and the collection and separation of blood have strict applicable requirements for blood component separation or collection consumables. For example, in the blood collection process, after the blood flows out of the venous blood vessels, it enters the blood collection tube and is mixed with the blood anticoagulant in the blood collection tube; under the squeeze of the peristaltic pump, the blood collection tube Lu constantly draws blood from the veins. In order to collect more blood smoothly, during the continuous operation of the peristaltic pump, it is necessary to detect the air pressure in the blood collection tube; and the peristaltic pump will adjust the spee...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01L19/00
CPCG01L19/003
Inventor 张孝洪钟光明
Owner SICHUAN NIGALE BIOTECH
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