Biochemical instrument liquid path system and method
A technology of liquid system and biochemical instrument, which is applied to chemical instruments and methods, cleaning methods using liquids, cleaning methods and utensils, etc. It can solve the problems of dripping water from the cleaning head, affecting the stability and accuracy of test results, etc. Waste situation, fast cleaning, accurate sampling effect
Inactive Publication Date: 2016-04-20
GUANGZHOU EXCBIO TECH CO LTD
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Problems solved by technology
The 3-6 stage automatic cleaning is controlled by a separate control valve. Since the pipeline resistance of each stage is different, but the pressure of the inlet and outlet of each stage is the same, it will cause a certain pressure in the 3-6 stage during the process of balancing the pressure. One-stage or multi-stage cleaning heads will drip water, which will seriously affect the stability and accuracy of test results
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[0024] Below in conjunction with accompanying drawing, the present invention is described in detail:
[0025] Such as figure 1 As shown, the liquid circuit system of the biochemical instrument of the present invention includes a cleaning bucket 301 filled with deionized water and a built-in water tank 302, which is characterized in that the built-in water tank 302 is connected with the needle inner wall cleaning system by a pump and a solenoid valve, and the built-in water tank is connected by a pump and a solenoid valve. The water tank 302 and the needle outer wall cleaning and cuvette cleaning system are connected to the waste liquid extraction system by the vacuum pump 207 through the vacuum tank 15 and the solenoid valve respectively to the thin waste liquid tank 7 and the thick waste liquid tank 8. In the system, the pump and the electromagnetic valve respectively draw waste liquid through the vacuum needle of the automatic cleaning component and discharge it to the waste...
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The invention discloses a biochemical instrument liquid path system and method and relates to the technical field of human blood detectors. The biochemical instrument liquid path comprises a cleaning bucket (301) filled with deionized water and an internally-arranged water tank (302). The biochemical instrument liquid path is characterized in that a pump and an electromagnetic valve are connected with the internally-arranged water tank (302) and a needle inner wall cleaning system and connected with the internally-arranged water tank (302) and a needle outer wall cleaning and colorimetric cuvette cleaning system, a vacuum pump (207) is connected with a thin waste liquid tank (7) and a thick waste liquid tank (8) through a vacuum tank (15) and an electromagnetic valve respectively and then connected with a waste liquid pumping and draining system, the waste liquid pumping and draining system pumps and drains waste liquid to a waste liquid bucket through an automatic cleaning component vacuum needle by the pump and the electromagnetic valve, and waste liquid collected by a waste liquid collection device (17) is discharged into the waste liquid bucket. By using the biochemical instrument liquid path system, accurate sampling can be realized, result reliability and stability can be guaranteed, the biochemical instrument liquid path system can be cleaned quickly, testing speed can be increased, and more samples can be treated within same time.
Description
technical field [0001] The invention relates to the technical field of human blood detection instruments, in particular to a liquid path system and method for a biochemical instrument. Background technique [0002] The biochemical instrument is to complete some or all of the steps of sampling, adding reagents, mixing, heat preservation, colorimetry, result calculation, and report writing in biochemical analysis by instruments that imitate manual operations. During the determination process, sampling and colorimetry are all used in a cyclic manner. The sample is drawn through the stainless steel tube, the syringe, and the valve combined with step-by-step control to draw the sample and reagent, and finally the sample reagent is discharged into the cuvette. React in the cuvette, measure, get the test data, and finally get the result through computer processing. Due to the large number of test items, the same stainless steel tube is used for sampling and reagent collection, so...
Claims
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Login to View More IPC IPC(8): B08B9/08B08B13/00G01N21/78
CPCB08B9/0804B08B3/08B08B9/0856B08B13/00G01N21/78
Inventor 戴昌武马德新赵挺
Owner GUANGZHOU EXCBIO TECH CO LTD