Liquid path system for sample analysis
A liquid system and sample analysis technology, applied in the field of analytical instruments, can solve the problems such as the reliability of action and the effectiveness of sealing that cannot reach the average level of three-way solenoid valves, etc., and achieve the effect of improving operating efficiency.
Inactive Publication Date: 2017-11-24
SHENZHEN XIAOFU MEDICAL TECH CO LTD
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Problems solved by technology
Unfortunately, the medium isolation type two-position four-way solenoid valve used for liquid analysis has not been applied on a large scale so far, and its operation reliability and sealing effectiveness are difficult to reach the average level of the current three-way solenoid valve
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[0055] The present invention will be further described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it with reference to the description.
[0056] Refer to attached figure 1 , the liquid circuit system for sample analysis of the present invention includes a first three-way solenoid valve group 101, a second three-way solenoid valve group 102, a first liquid pump 201, a second liquid pump 202, and a first sample operation The unit 301 , the second sample operation unit 302 , and the first pipeline 401 and the second pipeline 402 . The first three-way solenoid valve group 101 is respectively connected to the first liquid pump 201 and the first sample operation unit 301, the second three-way solenoid valve group 102 is respectively connected to the second liquid pump 202 and the second sample operation unit 302, the first three The one-way solenoid valve group 101 is connected with the second three-way solenoid val...
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The invention provides a liquid path system for sample analysis. The liquid path system comprises a first three-way solenoid valve group, a second three-way solenoid valve group, a first liquid pump, a second liquid pump, a first sample operation unit and a second sample operation unit, wherein the first three-way solenoid valve group is connected with the first liquid pump and the first sample operation unit respectively; the second three-way solenoid valve group is connected with the second liquid pump and the second sample operation unit respectively; the first three-way solenoid valve group and the second three-way solenoid valve group are connected by using two pipelines; and the three-way solenoid valve groups are composed of two three-way solenoid valves and two three-way connectors, or composed of three three-way solenoid valves and one three-way connector, or composed of four three-way solenoid valves. With the combination of the three-way solenoid valves, parallel treatment is achieved, and the system operation efficiency of sample analysis is improved.
Description
technical field [0001] The invention relates to the field of analytical instruments, in particular to a liquid circuit system of an analytical instrument for analyzing liquid samples. Background technique [0002] Liquid sample analysis is an important analysis method in the field of analysis. In environmental monitoring, it is necessary to analyze the water quality of water source samples. In the medical field, it is necessary to analyze body fluid samples. In the chemical industry, it is necessary to analyze oil samples. [0003] Instruments that analyze liquid samples, especially those that continuously and rapidly analyze different liquid samples, involve suction of sample liquid, mixing of sample liquid and reaction liquid, reaction of mixed liquid under the action of a catalyst, staining of sample liquid, heating of sample liquid, sample liquid The problems of constant temperature, sample liquid detection, and cleaning pipelines are different for different instruments...
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IPC IPC(8): G01N33/00
CPCG01N33/00
Inventor 牛振兴陈广宇赵宁
Owner SHENZHEN XIAOFU MEDICAL TECH CO LTD