CN217084981U - Double-flow-path liquid detection system - Google Patents
Double-flow-path liquid detection system Download PDFInfo
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- CN217084981U CN217084981U CN202123208953.1U CN202123208953U CN217084981U CN 217084981 U CN217084981 U CN 217084981U CN 202123208953 U CN202123208953 U CN 202123208953U CN 217084981 U CN217084981 U CN 217084981U
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Abstract
The utility model discloses a double-flow-path liquid detection system, which comprises a main flow path, an auxiliary flow path, a sample introduction system, a first liquid level detection sensor, an insensitive sensor, a second liquid level detection sensor, a pump M1, an electromagnetic valve V11, a sensitive sensor, a pump M2, a first kit and a second kit; the first liquid level detection sensor, the insensitive sensor, the second liquid level detection sensor and the pump M1 are sequentially connected in series on the main flow path, the input end of the main flow path is connected with the output end of the sample injection system, the electromagnetic valve V11, the sensitive sensor and the pump M2 are sequentially connected in series on the auxiliary flow path, the input end of the electromagnetic valve V11 is connected between the second liquid level detection sensor and the pump M1, and the output ends of the main flow path and the auxiliary flow path are connected with the second kit and the second kit. The utility model provides high liquid detection efficiency and detection quality have improved the result of use of sensor, have prolonged the life of sensor.
Description
Technical Field
The utility model relates to a blood gas electrolyte analyzer technical field, in particular to double flow path liquid detecting system.
Background
At present, the performance of the domestic blood gas electrolyte analyzer tends to be stable, and the flow path design is more and more mature. The flow path of the blood gas electrolyte analyzer is generally a single flow path system, in which a sample injection system, a sensor module, reagents (measurement reagent, cleaning solution, waste liquid), a pump, and the like are connected in series on the flow path.
When a single-flow-path system is used for sample measurement, cleaning or maintenance, reagents must pass through each sensor, and the testing accuracy and the service life of the sensors are seriously influenced by the partially sensitive sensors after the sensors are washed by the reagents. Therefore, it is necessary to design a new flow path to solve these problems and improve the lifetime of the sensor.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a double flow way liquid detecting system, aims at improving liquid detection efficiency and detection quality, improves the result of use of sensor, prolongs the life of sensor.
In order to achieve the above object, the present invention provides a dual-flow-path liquid detection system, which comprises a main flow path, a secondary flow path, a sample introduction system, a first liquid level detection sensor, an insensitive sensor, a second liquid level detection sensor, a pump M1, a solenoid valve V11, a sensitive sensor, a pump M2, a first kit, and a second kit;
wherein, first liquid level detection sensor, insensitive sensor, second liquid level detection sensor, pump M1 concatenate in proper order on the main flow path, the input of main flow path is connected sampling system's output, solenoid valve V11, sensitive sensor and pump M2 concatenate in proper order on the side flow path, solenoid valve V11's input connect in the second liquid level detection sensor with between the pump M1, the output of main flow path and side flow path is connected the second kit, first kit concatenate in proper order the output of main flow path, side flow path with between sampling system's the input.
The utility model discloses a further technical scheme is, during initial state, be equipped with maintenance liquid in the sensitive type sensor.
The utility model discloses a further technical scheme is, the second kit is provided with and is used for control the GL washing liquid gets into the solenoid valve V4 of flow path.
The utility model discloses a further technical scheme is, be equipped with the M washing liquid in the second kit, the second kit is provided with and is used for control the M washing liquid gets into the solenoid valve V10 of flow path.
The utility model discloses a further technical scheme is, double-flow-path liquid detecting system still include with the controller that sampling system, first liquid level detection sensor, insensitive sensor, second liquid level detection sensor, pump M1, solenoid valve V11, sensitive sensor, pump M2, solenoid valve V4, solenoid valve V10 are connected.
The utility model discloses double flow path liquid detecting system's beneficial effect is: the utility model adopts the technical scheme that the device comprises a main flow path, an auxiliary flow path, a sample introduction system, a first liquid level detection sensor, an insensitive sensor, a second liquid level detection sensor, a pump M1, a solenoid valve V11, a sensitive sensor, a pump M2, a first kit and a second kit; the first liquid level detection sensor, the insensitive sensor, the second liquid level detection sensor, the pump M1 are sequentially connected in series on the main flow path, the input end of the main flow path is connected with the output end of the sample injection system, the electromagnetic valve V11, the sensitive sensor and the pump M2 are sequentially connected in series on the auxiliary flow path, the input end of the electromagnetic valve V11 is connected between the second liquid level detection sensor and the pump M1, the output ends of the main flow path and the auxiliary flow path are connected with the second kit, the first kit is sequentially connected in series between the main flow path, the output end of the auxiliary flow path and the input end of the sample injection system, the liquid detection efficiency and the detection quality are improved, the using effect of the sensor is improved, and the service life of the sensor is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of a preferred embodiment of the dual flow path liquid detection system of the present invention;
fig. 2 is a schematic view of the working principle of the dual-flow-path liquid detection system of the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Consider that reagent all must pass through each sensor when single flow path system appearance, washing or maintenance are surveyed in present blood gas electrolyte analysis appearance, some sensitive type sensors can seriously influence the test accuracy and the life-span of sensor after the washing away of reagent, consequently, the utility model provides a solution.
Specifically, the utility model provides a double flow way liquid detecting system, the utility model discloses the technical scheme who adopts divide into sensitive type sensor and insensitive type sensor two parts (or more) with the sensor among the prior art mainly, because of the washing away of insensitive type sensor ability resistant most reagent, set up this insensitive type sensor on the main flow way, set up sensitive type sensor in the side flow way, divide the flow path into two, realize nimble control.
Specifically, as shown in fig. 1, the preferred embodiment of the dual-flow-path liquid detection system of the present invention includes a main flow path, a secondary flow path, a sample feeding system, a first liquid level detection sensor, an insensitive sensor, a second liquid level detection sensor, a pump M1, a solenoid valve V11, a sensitive sensor, a pump M2, a first reagent kit, and a second reagent kit.
The first liquid level detection sensor, the insensitive sensor, the second liquid level detection sensor and the pump M1 are sequentially connected in series on the main flow path, the input end of the main flow path is connected with the output end of the sample injection system, the electromagnetic valve V11, the sensitive sensor and the pump M2 are sequentially connected in series on the auxiliary flow path, the input end of the electromagnetic valve V11 is connected between the second liquid level detection sensor and the pump M1, the output ends of the main flow path and the auxiliary flow path are connected with the second kit, the second kit and the first kit are sequentially connected in series between the output end of the main flow path and the output end of the auxiliary flow path and the input end of the sample injection system.
Wherein, in the initial state, the sensitive sensor is provided with maintenance liquid.
In this embodiment, the second reagent kit contains a GL cleaning solution, and the second reagent kit is provided with an electromagnetic valve V4 for controlling the GL cleaning solution to enter the flow path.
In this embodiment, the second reagent kit contains M washing solutions, and the second reagent kit is provided with an electromagnetic valve V10 for controlling the flow path of the M washing solutions.
In this embodiment, the dual-flow-path liquid detection system further includes a controller connected to the sample injection system, the first liquid level detection sensor, the insensitive sensor, the second liquid level detection sensor, the pump M1, the solenoid valve V11, the sensitive sensor, the pump M2, the solenoid valve V4, and the solenoid valve V10.
It is understood that, in this embodiment, a waste liquid box is provided in the second reagent box.
The working principle of the double-flow-path liquid detection system of the embodiment is as follows:
when a whole test project needs to be performed on the liquid to be tested, the electromagnetic valve V11 is controlled to be opened, the main flow path and the auxiliary flow path are communicated, the pump M2 is started, the liquid to be tested is sucked into the insensitive sensor and the sensitive sensor by the sample introduction system for testing, and the waste liquid enters the waste liquid box after the test is completed.
When the parameters of the insensitive part need to be tested, the electromagnetic valve V11 is controlled to close the secondary flow path, the pump M1 is started, and the liquid to be tested is sucked for detection.
When the main flow path and the secondary flow path need to be maintained, the main flow path and the secondary flow path, the insensitive sensor and the sensitive sensor are maintained by matching according to the performance of the reagent and the characteristics of the sensor.
When the liquid sample to be detected is small in amount and needs to be tested in a whole project, the main flow path project test can be carried out, the electromagnetic valve V11 is controlled to be opened after the test is finished, the main flow path and the secondary flow path are conducted, and the liquid to be detected is pumped to the secondary flow path to test parameters.
The working principle of the dual-flow-path liquid detection system of the present invention is further explained in detail with reference to fig. 1 and fig. 2.
The first step is as follows: in fig. 1, the sampling needle of the sample injection system is lifted, and the operator moves the sample to the sampling needle.
The second step is that: the pump M1 in fig. 1 starts to rotate to suck the sample, and when the sample reaches the first liquid level detection sensor (i.e., the first liquid level detection sensor) in fig. 1, the sample suction is stopped, the operator removes the sample, and the sampling needle returns to the original position.
The third step: the pump M1 in fig. 1 rotates again, the second liquid level detection sensor (i.e. the second liquid level detection sensor) and the first liquid level detection sensor in fig. 1 start to synchronously detect whether liquid exists in the flow path, when the second liquid level detection sensor and the first liquid level detection sensor in fig. 1 continuously detect liquid, the pump M1 in fig. 1 stops rotating, otherwise, the pump M1 in fig. 1 stops rotating all the time, at this time, the whole liquid detection is judged to be failed, and sampling needs to be performed again.
The fourth step: when the detection in fig. 1 is successful, the insensitive sensor in fig. 1 starts to acquire signals, and when a certain condition is met, the signal acquisition is finished. It should be noted that the "certain condition" means that the signal acquired by the insensitive sensor is stable.
The fifth step: after the insensitive sensor in fig. 1 finishes acquiring the signal, the sensitive sensor in fig. 1 starts to acquire the signal, and stops acquiring the signal after the acquired signal reaches a certain condition.
And a sixth step: the pump M2 in fig. 1 starts to rotate to evacuate the liquid from the sensitive sensor in fig. 1, and then the pinch valve V11 in fig. 1 is opened and the pump M2 in fig. 1 starts to rotate a certain number of steps to evacuate the sample from the insensitive sensor in fig. 1 to the sensitive sensor in fig. 1.
The seventh step: when the liquid reaches the sensitive sensor in fig. 1, the sensitive sensor in fig. 1 starts to collect a sample signal, and when the collected signal reaches a certain condition, the sampling is stopped.
Eighth step: after the sampling is completed, the flow path cleaning is started, the pinch valve V11 in FIG. 1 is closed, the electromagnetic valve V4 in FIG. 1 is opened, GL cleaning liquid is pumped to clean the flow path, the pinch valve V11 in FIG. 1 is opened after the pumped cleaning liquid reaches the insensitive sensor, and then the pump M2 in FIG. 1 starts to rotate to pump the GL cleaning liquid into the sensitive sensor to clean the flow path.
The ninth step: when the eighth step is repeated, the solenoid valve V4 and the pinch valve V11 in fig. 1 are closed, then the solenoid valve V10 in fig. 1 is opened, the pump M1 in fig. 1 rotates to pump M cleaning solution to clean the insensitive sensor in fig. 1, and after repeating the steps for several times, the whole operation is finished.
The utility model discloses double flow path liquid detecting system's beneficial effect is: the utility model adopts the technical scheme that the device comprises a main flow path, an auxiliary flow path, a sample introduction system, a first liquid level detection sensor, an insensitive sensor, a second liquid level detection sensor, a pump M1, a solenoid valve V11, a sensitive sensor, a pump M2, a first kit and a second kit; the first liquid level detection sensor, the insensitive sensor, the second liquid level detection sensor, the pump M1 are sequentially connected in series on the main flow path, the input end of the main flow path is connected with the output end of the sample injection system, the electromagnetic valve V11, the sensitive sensor and the pump M2 are sequentially connected in series on the auxiliary flow path, the input end of the electromagnetic valve V11 is connected between the second liquid level detection sensor and the pump M1, the output ends of the main flow path and the auxiliary flow path are connected with the second kit, the first kit is sequentially connected in series between the main flow path, the output end of the auxiliary flow path and the input end of the sample injection system, the liquid detection efficiency and the detection quality are improved, the using effect of the sensor is improved, and the service life of the sensor is prolonged.
The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (5)
1. A double-flow-path liquid detection system is characterized by comprising a main flow path, an auxiliary flow path, a sample introduction system, a first liquid level detection sensor, an insensitive sensor, a second liquid level detection sensor, a pump M1, an electromagnetic valve V11, a sensitive sensor, a pump M2, a first kit and a second kit;
wherein, first liquid level detection sensor, insensitive sensor, second liquid level detection sensor, pump M1 concatenate in proper order on the mainstream way, the input of mainstream way is connected sampling system's output, solenoid valve V11, insensitive sensor and pump M2 concatenate in proper order on the side stream way, solenoid valve V11's input connect in the second liquid level detection sensor with between the pump M1, the output of mainstream way and side stream way is connected the second kit, first kit concatenate in proper order the output of mainstream way, side stream way with between sampling system's the input.
2. The dual flow fluid testing system of claim 1, wherein said sensor is initially filled with a maintenance fluid.
3. The dual-flow liquid detection system of claim 1, wherein the second kit contains GL cleaning solution, and the second kit is provided with a solenoid valve V4 for controlling the GL cleaning solution to enter the flow path.
4. The dual-flow-path liquid detection system according to claim 3, wherein the second kit contains M cleaning solution, and the second kit is provided with a solenoid valve V10 for controlling the M cleaning solution to enter the flow path.
5. The dual fluid flow detection system of claim 4, further comprising a controller connected to the sample injection system, the first fluid level detection sensor, the insensitive sensor, the second fluid level detection sensor, the pump M1, the solenoid valve V11, the sensitive sensor, the pump M2, the solenoid valve V4, and the solenoid valve V10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123208953.1U CN217084981U (en) | 2021-12-20 | 2021-12-20 | Double-flow-path liquid detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123208953.1U CN217084981U (en) | 2021-12-20 | 2021-12-20 | Double-flow-path liquid detection system |
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| Publication Number | Publication Date |
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| CN217084981U true CN217084981U (en) | 2022-07-29 |
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| CN202123208953.1U Active CN217084981U (en) | 2021-12-20 | 2021-12-20 | Double-flow-path liquid detection system |
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