Pipeline fault elimination method, device and system

Abstract

The invention discloses a pipeline fault removal method, device and system. The pipeline fault removal method comprises the steps that S1, speed reduction treatment is conducted; s2, liquid discharge and capacity expansion; s3, depressurizing and unlocking; and S4, the process is recovered, the pipeline fault removal device comprises a speed reduction device, an expansion device, a removal device and a recovery device, and the pipeline fault removal system comprises a controller used for executing the pipeline fault removal method, a liquid inlet pipeline, a centrifugal container, a liquid drainage pipeline and a pump. Through the technical scheme provided by the invention, the pipeline fault can be accurately identified and eliminated, the detection result is fed back quickly, and the tolerance of the continuous flow is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of data processing, and in particular to a pipeline fault troubleshooting method, device and system. Background Art

[0002] Cell therapy is currently a key development area at the forefront of international medicine. In recent years, new research results have been continuously achieved in the field of cell therapy, and the research and development and evaluation of cell therapy products have also been increasingly valued by domestic pharmaceutical companies and government departments. In view of the current rapid development trend of cell therapy product research, the use of cell harvesting automation equipment is the mainstream development direction.

[0003] In the current cell processing process, cells need to be packaged into preparations of different specifications. Failures in the preparation process will affect the cell viability status. When an operation error occurs or the process is running, the liquid transmission is easily affected by the extrusion transmission of the external device, which can cause gas to appear at high points in the pipeline. This gas will cause the liquid flow to be restricted or even blocked, which is called the gas lock phenomenon. Continuing to run the preparation action under this phenomenon will cause idling and inaccurate results. By the time the operator discovers it, it is too late for manual processing. Therefore, it will seriously affect the accuracy of the cell preparation. Summary of the invention

[0004] In order to overcome the deficiencies of the prior art, the present invention provides a pipeline troubleshooting method, device and system. Through the technical solution provided by the present invention, pipeline faults can be accurately identified and eliminated, the detection results are fed back quickly, and the tolerance of continuous flow is improved.

[0005] The technical solution adopted by the present invention to solve its technical problem is:

[0006] A pipeline troubleshooting method, comprising:

[0007] After receiving the troubleshooting instruction, the current process is terminated, and the centrifugal speed of the centrifugal container connected to the liquid inlet pipeline is controlled to be adjusted from the initial speed to the exhaust speed, and maintained at a preset low speed for a period of time; the liquid inlet pipeline and the centrifugal container contain liquid;

[0008] The pump speed is controlled to a preset pump speed, so that the centrifugal container is drained and expanded; the pump drives the liquid in the drainage pipeline to be discharged to the waste liquid container; the drainage pipeline is connected to the centrifugal container;

[0009] receiving a drain recovery instruction after the drain expansion process, controlling the centrifugal speed of the centrifugal container to recover to the initial speed, so that the bubbles in the liquid inlet pipeline are drained to the centrifugal container;

[0010] After the preset recovery time, the recovery instruction of the current process is triggered to complete the troubleshooting of the liquid inlet pipeline.

[0011] Furthermore, before receiving the troubleshooting instruction, the method includes:

[0012] Determining the pipeline status based on the fluid circuit data collected by the sensor;

[0013] When the pipeline state is in the pre-preparation state, the current process continues to be executed for the preset lead time, and switches to the running state after the preset lead time;

[0014] When the pipeline state is in the running state, the pipeline fault detection is turned on to obtain the fault detection result.

[0015] Furthermore, when the pipeline state is in the running state, the pipeline fault detection is started, and after the fault detection result is obtained, the following steps are included:

[0016] When the fault detection result is an air lock fault, triggering the fault elimination instruction;

[0017] When the fault detection result is normal operation, continue to perform pipeline fault detection.

[0018] Furthermore, when the pipeline state is in the running state, pipeline fault detection is started to obtain the fault detection result, including:

[0019] Obtaining initial data, historical weight and current weight; the initial data includes the initial weight and concentrated weight of the liquid bag; the current weight is the weight of the liquid bag collected after a preset calculation time after collecting the historical weight;

[0020] Determining a weight difference of the fluid bag according to the historical weight and the current weight;

[0021] The fault detection result is determined according to the initial data, the fluid bag weight difference and a pipeline fault detection formula.

[0022] Further, the determining of the fault detection result according to the initial data, the fluid bag weight difference and the pipeline fault detection formula includes:

[0023] When the weight difference of the liquid bag meets the detection threshold requirement, the pipeline fault detection formula is used to determine whether it is a fault detection result of an air lock fault;

[0024] When the weight difference of the liquid bag does not meet the detection threshold requirement, it is determined as a normal operation fault detection result.

[0025] Furthermore, when the weight difference of the liquid bag meets the detection threshold requirement, the fault detection result of determining whether it is an air lock fault by using a pipeline fault detection formula includes:

[0026] Obtaining a judgment value through the pipeline fault detection formula;

[0027] When the judgment value is less than the preset ratio, determining the fault detection result as an air lock fault;

[0028] When the judgment value is greater than or equal to the preset ratio, it is determined as a fault detection result of normal operation.

[0029] Furthermore, the pipeline fault detection formula is:

[0030] (BC) / (A-θ)=Z

[0031] Wherein, Z is the judgment value;

[0032] B is the initial weight of the liquid-inlet fluid bag;

[0033] C is the current weight;

[0034] A is the concentrated weight;

[0035] θ is the preset tolerance.

[0036] Furthermore, the control pump speed is set to a preset pump speed to allow the centrifugal container to discharge liquid and expand capacity, including:

[0037] The control valve in the liquid inlet pipeline close to the centrifugal container is closed, and the pump is controlled to run at the preset pump speed for the preset expansion time to complete the liquid discharge and expansion process.

[0038] In addition, the present invention also provides a pipeline troubleshooting device, comprising:

[0039] A deceleration device, which is used to stop the current process after receiving the troubleshooting instruction, and control the centrifugal speed of the centrifugal container connected to the liquid inlet pipeline to adjust from the initial speed to the exhaust speed, and maintain the preset low speed duration; the liquid inlet pipeline and the centrifugal container contain liquid;

[0040] The expansion device is used to control the rotation speed of the pump to a preset pump speed so that the centrifugal container is drained and expanded; the pump drives the liquid in the drainage pipeline to be discharged to the waste liquid container; the drainage pipeline is connected to the centrifugal container;

[0041] The exclusion device is used to receive the exclusion recovery instruction after the liquid discharge and expansion process, control the centrifugal speed of the centrifugal container to return to the initial speed, and drain the bubbles in the liquid inlet pipeline to the centrifugal container;

[0042] The recovery device is used to trigger the recovery instruction of the current process after a preset recovery time to complete the troubleshooting of the liquid inlet pipeline.

[0043] In addition, the present invention also provides a pipeline troubleshooting system, including a liquid inlet pipeline, a centrifugal container, a liquid discharge pipeline, a pump and a controller, wherein the controller is used to execute the pipeline troubleshooting method as described above.

[0044] The beneficial effects of the present invention are:

[0045] The present invention provides a pipeline troubleshooting method, device and system. The pipeline troubleshooting method is used to automatically troubleshoot faults occurring in pipelines. The pipeline troubleshooting device includes a speed reduction device, a capacity expansion device, an elimination device and a recovery device. The pipeline troubleshooting system includes a controller for executing the pipeline troubleshooting method. Through the technical solution provided by the present invention, pipeline faults can be accurately identified and eliminated without the need for manual real-time monitoring, and gas lock faults can be automatically released, thereby improving the tolerance of the process continuous flow of equipment operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0047] Figure 1 It is a flow chart of a pipeline troubleshooting method in the present invention;

[0048] Figure 2 It is a flow chart of a pipeline troubleshooting device in the present invention;

[0049] Figure 3 It is a schematic diagram of a pipeline troubleshooting system in the present invention. DETAILED DESCRIPTION

[0050] The following will clearly and completely describe the concept, specific structure and technical effects of the present invention in combination with the embodiments and drawings, so as to fully understand the purpose, characteristics and effects of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, other embodiments obtained by technicians in this field without creative work are all within the scope of protection of the present invention. In addition, all the connection / connection relationships involved in the patent do not refer to the direct connection of components, but refer to the formation of a better connection structure by adding or reducing connection accessories according to the specific implementation situation. The various technical features in the invention can be combined interchangeably without conflicting with each other.

[0051] In the process of cell harvesting, the concept of continuous flow is involved. Continuous flow is explained as: under normal working conditions, liquid flows into a centrifugal container from one inlet and outlet through a transmission device (such as a peristaltic pump), and flows out from another inlet and outlet after centrifugal treatment. The liquid can flow continuously in the centrifugal container.

[0052] The present invention provides a pipeline troubleshooting method, which is used to solve the gas lock failure in the liquid pipeline, wherein the gas lock failure refers to the appearance of bubbles at a high point of the liquid inlet pipeline, which can cause the liquid flow to be restricted or completely stopped. In the continuous flow cell preparation process, if the gas lock failure occurs and cannot be solved in time, it will delay the cell vitality and cell processing efficiency, and further affect the accuracy of the preparation.

[0053] like Figure 1 As shown, the pipeline troubleshooting method of the present invention comprises the following steps:

[0054] Step S1, speed reduction processing: after receiving the troubleshooting instruction, the current process is terminated, and the centrifugal speed of the centrifugal container connected to the liquid inlet pipeline is controlled to be adjusted from the initial speed to the exhaust speed, and the preset low speed duration is maintained; the liquid inlet pipeline and the centrifugal container contain liquid.

[0055] In the above step S1, the present invention provides a specific embodiment. In this embodiment, the troubleshooting instruction is an instruction triggered after the air lock fault is identified. The centrifugal container is a container space in which liquid is centrifugally rotated. The centrifugal container includes two inlets and outlets, one of which is connected to the liquid inlet pipeline. The liquid inlet pipeline is a pipeline for liquid to flow from the sample bag into the centrifugal container. A peristaltic pump can pass through the pipeline path, and the liquid in the liquid inlet pipeline is transmitted by the peristaltic pump to flow into the centrifugal container. The initial speed can be the speed of centrifugal rotation in the current process. The elimination speed is the speed of centrifugal rotation when the speed is reduced to solve the air lock. The initial speed is reduced to the centrifugal speed of the elimination speed, and the preset low speed duration is maintained. The preset low speed duration can be set to 1min. In actual applications, it can be adaptively adjusted according to actual conditions.

[0056] In this embodiment, before executing step S1, the following steps need to be executed to detect and judge the fault of the pipeline:

[0057] Based on the liquid circuit data collected by the sensor, the pipeline state is determined. The sensor can be a bubble sensor, a pressure sensor or a photoelectric sensor with a detection function. The liquid circuit data is a digital signal or an analog signal collected by the sensor, and the collected signal is simulated, that is, the collected historical and current signals are judged to judge the pipeline state. The pipeline state is the process flow state of the liquid in the pipeline. The pipeline state includes a pre-preparation state and an operation state. The pre-preparation state is that the collected signal jumps from a signal with no liquid flowing through in the past to a signal with liquid flowing through currently within a preset time period. The operation state is that the collected signal maintains a signal with liquid flowing through within a preset time period without any jump processing.

[0058] When the pipeline state is in the pre-preparation state, the current process continues to be executed for the preset lead time, and switches to the running state after the preset lead time; the preset lead time is the time required for the liquid inlet pipeline to be filled with liquid. After the preset lead time, the liquid fills the liquid inlet pipeline, so that it can be centrifugally rotated in the centrifuge container, which can indicate that the centrifuge container is in the running state.

[0059] When the pipeline state is in the running state, the pipeline fault detection is turned on to obtain the fault detection result. The pipeline fault detection is a detection process for detecting whether the liquid inlet pipeline is in a gas lock fault. It can be a timed detection, and the fault detection result of the liquid inlet pipeline is outputted at a timed basis. The fault detection result represents whether the liquid inlet pipeline has a gas lock fault.

[0060] When the fault detection result is an air lock fault, the fault elimination instruction is triggered.

[0061] When the fault detection result is normal operation, continue to perform pipeline fault detection.

[0062] In this embodiment, pipeline fault detection includes the following steps:

[0063] Obtain initial data, historical weight and current weight; the initial data includes the initial weight and concentrated weight of the liquid bag; the current weight is the weight of the liquid bag collected after a preset calculation time after collecting the historical weight.

[0064] The fluid bag weight difference is determined according to the historical weight and the current weight. Understandably, the fluid bag weight difference is obtained by calculating the difference between the historical weight and the current weight.

[0065] The fault detection result is determined according to the initial data, the fluid bag weight difference and the pipeline fault detection formula, specifically:

[0066] When the weight difference of the liquid bag meets the detection threshold requirement, the fault detection result of determining whether it is an air lock fault is determined by the pipeline fault detection formula, including:

[0067] A judgment value is obtained through the pipeline fault detection formula, and the judgment value does not exceed 1.

[0068] When the judgment value is less than a preset ratio, it is determined to be a fault detection result of an air lock fault; the preset ratio can be obtained based on historical experience statistics, for example, the preset ratio is set to 0.85 or 0.9.

[0069] When the judgment value is greater than or equal to the preset ratio, it is determined as a fault detection result of normal operation.

[0070] The pipeline fault detection formula is:

[0071] (BC) / (A-θ)=Z

[0072] Among them, Z is the judgment value; B is the initial weight of the liquid bag; C is the current weight; A is the concentrated weight; θ is the preset tolerance.

[0073] When the weight difference of the liquid bag does not meet the detection threshold requirement, it is determined as a fault detection result of normal operation.

[0074] Step S2, drainage and capacity expansion: controlling the speed of the pump to a preset pump speed, so that the centrifugal container is subjected to drainage and capacity expansion processing; the pump drives the liquid in the drainage pipeline to be discharged to the waste liquid container; the drainage pipeline is connected to the centrifugal container, closing the control valve in the inlet pipeline close to the centrifugal container, and controlling the pump to run at the preset pump speed for a preset capacity expansion time to complete the drainage and capacity expansion processing, the control valve controls the opening and closing of the switch valve to make the liquid in the inlet pipeline flow into and stop flowing into the centrifugal container, and after the liquid in the centrifugal container is discharged into the waste liquid container, the air space in the centrifugal container will expand, which is referred to as the drainage and capacity expansion processing process, the pump is arranged on the drainage pipeline, and the liquid in the centrifugal container is discharged into the waste liquid bag through the rotation of the pump.

[0075] In the above step S2, the present invention provides a specific embodiment. In this embodiment, the discharge flow rate is controlled to be 100 mL / min by the preset pump speed, and the preset expansion time is set to 2 min. In actual applications, adaptive adjustments can be made according to actual conditions.

[0076] Step S3, depressurization unlocking: receiving the drainage recovery instruction after the drainage and expansion process, controlling the centrifugal speed of the centrifugal container to return to the initial speed, so that the bubbles in the liquid inlet pipeline are drained to the centrifugal container. It can be understood that the air pressure in the centrifugal container will show a trend of gradually decreasing negative pressure under the driving of the pump to drain the liquid, and the liquid in the liquid inlet pipeline will have an extraction pressure to extract the liquid and gas in the liquid inlet pipeline as the air pressure in the centrifugal container decreases, so that the gas and liquid in the liquid inlet pipeline are pumped into the centrifugal container, thereby pumping the gas or bubbles at a high place into the centrifugal container.

[0077] In the above step S3, the present invention provides a specific embodiment. In this embodiment, the preset acceleration is set to 200RPM / S, where RPM is the abbreviation of Revolutions Per Minute, which means the number of revolutions per minute of the device, and RPM / S is the speed change of the number of revolutions per second. In actual applications, it can be adaptively adjusted according to actual conditions;

[0078] Step S4, recovery process: after the preset recovery time, trigger the recovery instruction of the current process to complete the troubleshooting of the liquid inlet pipeline.

[0079] Furthermore, the present invention also provides a pipeline troubleshooting device, such as Figure 2 As shown, the pipeline fault troubleshooting device includes a speed reduction device, a capacity expansion device, an elimination device and a recovery device.

[0080] The deceleration device is used to stop the current process after receiving the troubleshooting instruction, and control the centrifugal speed of the centrifugal container connected to the liquid inlet pipeline to adjust from the initial speed to the exhaust speed, and maintain the preset low speed duration; the liquid inlet pipeline and the centrifugal container contain liquid;

[0081] The expansion device is used to control the rotation speed of the pump to a preset pump speed, so that the centrifugal container is subjected to a drainage and expansion process; the pump drives the liquid in the drainage pipeline to be discharged to the waste liquid container; the drainage pipeline is connected to the centrifugal container;

[0082] The exclusion device is used to receive the exclusion recovery instruction after the liquid discharge and expansion process, control the centrifugal speed of the centrifugal container to return to the initial speed, and drain the bubbles in the liquid inlet pipeline to the centrifugal container;

[0083] The recovery device is used to trigger the recovery instruction of the current process after a preset recovery time to complete the troubleshooting of the liquid inlet pipeline.

[0084] Reference Figure 3 The present invention also provides a pipeline troubleshooting system, including a liquid inlet pipeline, a centrifugal container 6, a liquid discharge pipeline, a pump 5 and a controller, wherein the controller is used to execute the pipeline troubleshooting method as described above.

[0085] The centrifugal container 6 is provided with a first interface 61 and a second interface 62 communicating with its inner cavity, the liquid inlet ends of the three liquid inlet pipelines are connected to the liquid bag, and the first electromagnetic pinch valve 1, the second electromagnetic pinch valve 2 and the third electromagnetic pinch valve 3 are respectively provided on the liquid outlet ends of the three liquid inlet pipelines. The three liquid inlet pipelines are gathered into one pipeline through the three electromagnetic pinch valves, and the pipeline is connected to the first interface 61 of the centrifugal container 6, and the first bubble sensor 21, the fourth electromagnetic pinch valve 8 and the second bubble sensor 22 are sequentially provided between the pipeline and the first interface 61 of the centrifugal container 6.

[0086] Further, the second interface 62 of the centrifugal container 6 is connected to the pump 5. In this embodiment, the pump 5 is specifically selected as a peristaltic pump. A first three-way pipe 610, a fifth electromagnetic pinch valve 14, a third bubble sensor 25 (the bubble sensor is used to detect whether there is liquid flowing in the pipeline passing through the bubble sensor, and is a non-contact sensor) and a second pressure sensor 24 (the pressure sensor is used to detect the pressure in the pipeline passing through the pressure sensor, Figure 1 The pressure sensor in the pump is used to detect the pipeline before and / or after the pump. It is a non-contact sensor that indirectly detects the pressure in the centrifugal container and can measure the pressure under negative pressure. The outlet of the peristaltic pump 5 is connected to the drainage container 40. The first pressure sensor 23 and the sixth electromagnetic pinch valve 11 are sequentially arranged between the outlet of the peristaltic pump 5 and the drainage container 40.

[0087] In the above embodiment, a first three-way pipe is provided on the pipeline of the outlet of the second interface 62 of the centrifugal unit 6, and one outlet of the first three-way pipe is connected to the fifth electromagnetic pinch valve 14, and the other outlet is connected to the seventh electromagnetic pinch valve 13, and the outlet of the seventh electromagnetic pinch valve 13 is connected to the air filter 30. During the recovery process of step S4, the seventh electromagnetic pinch valve 13 can be opened to eliminate the negative pressure and restore the normal operation state more quickly. In addition, three drainage containers 40 are provided in this embodiment, and the outlets of the sixth electromagnetic pinch valve 11 are respectively connected to the three drainage containers 40 through a four-way connector 110.

[0088] Each module in the above-mentioned controller can be implemented in whole or in part by software, hardware and a combination thereof. The controller includes a processor, a memory, a network interface and a database connected by a system bus. Each module of the controller can be embedded in or independent of the processor in hardware form, or can be stored in the memory in software form, so that the processor calls and executes the operations corresponding to the above modules. Among them, the processor is used to provide computing and control capabilities. The memory includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program and a database. The internal memory provides an environment for the operation of the operating system and the computer program in the non-volatile storage medium. The database is used to store the data used by the culture medium replacement method in the above-mentioned embodiment. The controller connects to a pump and controls the pump, and controls the centrifugal rotation of the centrifugal container.

[0089] The pipeline troubleshooting method, device and system provided by the present invention can accurately identify and eliminate pipeline faults without the need for manual real-time monitoring, automatically resolve gas lock faults, and improve the tolerance of the process continuous flow of equipment operation.

[0090] The above is a specific description of the preferred implementation of the present invention, but the invention is not limited to the embodiments. Those skilled in the art can make various equivalent modifications or substitutions without violating the spirit of the present invention. These equivalent modifications or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A pipeline troubleshooting method, characterized in that: include: After receiving the troubleshooting instruction, the current process is terminated, and the centrifugal speed of the centrifugal container connected to the liquid inlet pipeline is controlled to be adjusted from the initial speed to the exhaust speed, and the preset low speed duration is maintained; The liquid inlet pipeline and the centrifugal container contain liquid; The pump speed is controlled to a preset pump speed, so that the centrifugal container is drained and expanded; the pump drives the liquid in the drainage pipeline to be discharged to the waste liquid container; the drainage pipeline is connected to the centrifugal container; receiving a drain recovery instruction after the drain expansion process, controlling the centrifugal speed of the centrifugal container to recover to the initial speed, so that the bubbles in the liquid inlet pipeline are drained to the centrifugal container; After the preset recovery time, the recovery instruction of the current process is triggered to complete the troubleshooting of the liquid inlet pipeline.

2. The pipeline troubleshooting method according to claim 1, characterized in that: Before receiving the troubleshooting instruction, the method includes: Determining the pipeline status based on the fluid circuit data collected by the sensor; When the pipeline state is in the pre-preparation state, the current process continues to be executed for the preset lead time, and switches to the running state after the preset lead time; When the pipeline state is in the running state, the pipeline fault detection is turned on to obtain the fault detection result.

3. The pipeline troubleshooting method according to claim 2, characterized in that: When the pipeline state is in the running state, the pipeline fault detection is started, and after the fault detection result is obtained, the method includes: When the fault detection result is an air lock fault, triggering the fault elimination instruction; When the fault detection result is normal operation, continue to perform pipeline fault detection.

4. The pipeline troubleshooting method according to claim 2, characterized in that: When the pipeline state is in the running state, starting pipeline fault detection to obtain a fault detection result includes: Obtaining initial data, historical weight and current weight; the initial data includes the initial weight and concentrated weight of the liquid bag; the current weight is the weight of the liquid bag collected after a preset calculation time after collecting the historical weight; Determining a weight difference of the fluid bag according to the historical weight and the current weight; The fault detection result is determined according to the initial data, the fluid bag weight difference and a pipeline fault detection formula.

5. The pipeline troubleshooting method according to claim 4, characterized in that: Determining the fault detection result according to the initial data, the fluid bag weight difference and the pipeline fault detection formula includes: When the weight difference of the liquid bag meets the detection threshold requirement, the pipeline fault detection formula is used to determine whether it is a fault detection result of an air lock fault; When the weight difference of the liquid bag does not meet the detection threshold requirement, it is determined as a normal operation fault detection result.

6. The pipeline troubleshooting method according to claim 5, characterized in that: When the weight difference of the liquid bag meets the detection threshold requirement, the fault detection result of determining whether it is an air lock fault by using the pipeline fault detection formula includes: Obtaining a judgment value through the pipeline fault detection formula; When the judgment value is less than a preset ratio, determining the fault detection result as an air lock fault; When the judgment value is greater than or equal to the preset ratio, it is determined as a fault detection result of normal operation.

7. The pipeline troubleshooting method according to claim 5 or 6, characterized in that: The pipeline fault detection formula is: (BC) / (A-θ)=Z Wherein, Z is the judgment value; B is the initial weight of the liquid-inlet fluid bag; C is the current weight; A is the concentrated weight; θ is the preset tolerance.

8. The pipeline troubleshooting method according to claim 1, characterized in that: The control pump speed is set to a preset pump speed, so that the centrifugal container is drained and expanded, including: The control valve in the liquid inlet pipeline close to the centrifugal container is closed, and the pump is controlled to run at the preset pump speed for the preset expansion time to complete the liquid discharge and expansion process.

9. A pipeline troubleshooting device, characterized in that: include: The speed reduction device is used to stop the current process after receiving the troubleshooting instruction, and control the centrifugal speed of the centrifugal container connected to the liquid inlet pipeline to adjust from the initial speed to the exhaust speed, and maintain the preset low speed time; The liquid inlet pipeline and the centrifugal container contain liquid; The expansion device is used to control the rotation speed of the pump to a preset pump speed so that the centrifugal container is subjected to a drainage and expansion process; the pump drives the liquid in the drainage pipeline to be discharged to the waste liquid container; the drainage pipeline is connected to the centrifugal container; The exclusion device is used to receive the exclusion recovery instruction after the liquid discharge and expansion process, control the centrifugal speed of the centrifugal container to return to the initial speed, and drain the bubbles in the liquid inlet pipeline to the centrifugal container; The recovery device is used to trigger the recovery instruction of the current process after a preset recovery time to complete the troubleshooting of the liquid inlet pipeline.

10. A pipeline troubleshooting system, characterized in that: The method comprises a liquid inlet pipeline, a centrifugal container, a liquid discharge pipeline, a pump and a controller, wherein the controller is used to execute the pipeline troubleshooting method according to any one of claims 1 to 8.

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