Fracturing Pump Operation Fault Detection Method, System, and Device, and Storage Medium

Abstract

A fracturing pump detection method, system, and device, and a storage medium, relating to the technical field of fracturing devices. The fracturing pump detection method includes: detecting stress information in a pull rod of a fracturing pump through a sensor installed at a power end of the fracturing pump, the sensor being isolated from fracturing liquid displaced by the fracturing pump; determining pump cavity liquid pressure information of the fracturing pump according to the stress information of the pull rod; determining phase information of a plunger corresponding to the stress information of the pull rod; and determining a detection result of the fracturing pump according to the pump cavity liquid pressure information and phase information of the plunger.

What is claimed is: 
     
         1 . A fracturing pump operation fault detection method, comprising:
 detecting stress information in a pull rod of a fracturing pump through a sensor installed at a power end of the fracturing pump, the sensor being isolated from fracturing liquid displaced by the fracturing pump;   determining pump cavity liquid pressure information of the fracturing pump according to the stress information of the pull rod;   determining phase information of a plunger corresponding to the stress information of the pull rod; and   determining a detection result of the fracturing pump according to the pump cavity liquid pressure information and phase information of the plunger.   
     
     
         2 . The method according to  claim 1 , wherein the sensor installed at the power end comprises a tension sensor mounted at the pull rod of the fracturing pump, and detecting the stress information in the pull rod of a fracturing pump comprises:
 obtaining end tension information of the pull rod as detected by the tension sensor; and   determining the stress information of the pull rod based on the end tension information in the pull rod and preset end cross-sectional area information of the pull rod.   
     
     
         3 . The method according to  claim 1 , wherein the sensor at the power end comprises a strain sensor mounted at the pull rod, and detecting the stress information in the pull rod comprises:
 obtaining end strain information of the pull rod as detected by the strain sensor; and   determining the stress information of the pull rod based on the end strain information in the pull rod, preset elastic modulus information of a material associated with the pull rod, and preset end cross-sectional area information of the pull rod.   
     
     
         4 . The method according to  claim 1 , wherein determining the pump cavity liquid pressure information of the fracturing pump according to the stress information of the pull rod comprises:
 obtaining piston cross-sectional area information of the fracturing pump associated with the pull rod; and   performing calculation based on the piston cross-sectional area information and the stress information of the pull rod, to obtain the pump cavity liquid pressure information of the fracturing pump.   
     
     
         5 . The method according to  claim 1 , wherein determining the detection result of the fracturing pump according to the pump cavity liquid pressure information and phase information of the plunger comprises:
 determining the phase information of the plunger corresponding to the stress information of the pull rod;   detecting whether the pump cavity liquid pressure information is consistent with the phase information of the plunger;   determining liquid pressure information of the fracturing pump according to the pump cavity liquid pressure information and the phase information of the plunger if the pump cavity liquid pressure information is consistent with the phase information of the plunger; and   generating an abnormal detection result for the fracturing pump if the liquid pressure information of the fracturing pump does not meet a preset pressure threshold.   
     
     
         6 . The method according to  claim 5 , wherein determining the liquid pressure information of the fracturing pump according to the pump cavity liquid pressure information and the phase information of the plunger comprises:
 if the phase information of the plunger belongs to first phase information of the plunger, determining the liquid pressure information of the fracturing pump according to the pump cavity liquid pressure information and the first phase information of the plunger; and   if the phase information of the plunger belongs to second phase information of the plunger, determining the liquid pressure information of the fracturing pump according to the pump cavity liquid pressure information and the second phase information of the plunger.   
     
     
         7 . The method according to  claim 6 , wherein after generating the abnormal detection result of the fracturing pump, the method further comprises:
 triggering an output of alarm information based on the abnormal detection result, wherein   generating the abnormal detection result comprises: if the liquid pressure information does not meet a preset first pressure information threshold, generating a first detection result indicating that the fracturing pump is abnormal for a first reason; and if the liquid pressure information does not meet a preset second pressure information threshold, generating a second detection result indicating that the fracturing pump is abnormal for a second reason.   
     
     
         8 . A fracturing pump operation fault detection system, comprising:
 a pull rod stress detection sensor installed on a pull rod of a fracturing pump at a power end of the fracturing pump, the pull rod stress detection sensor being configured to detect stress information of the pull rod;   a pump cavity liquid pressure information processing circuitry configured to:
 determine pump cavity liquid pressure information of the fracturing pump according to the stress information of the pull rod as detected by the pull rod stress detection sensor; and 
   determine an operation fault detection result of the fracturing pump according to the pump cavity liquid pressure information and phase information of a plunger associated with the pull rod corresponding to the stress information of the pull rod.   
     
     
         9 . The fracturing pump operation fault detection system according to  claim 8 , wherein the pull rod stress detection sensor installed at the power end comprises a tension sensor mounted at the pull rod of the fracturing pump, and is configured to detect the stress information in the pull rod by:
 obtaining end tension information of the pull rod as detected by the tension sensor; and   determining the stress information of the pull rod based on the end tension information in the pull rod and preset end cross-sectional area information of the pull rod.   
     
     
         10 . The fracturing pump operation fault detection system according to  claim 8 , wherein the pull rod stress detection sensor installed at the power end comprises a strain sensor mounted at the pull rod, and is configured to detect the stress information in the pull rod by:
 obtaining end strain information of the pull rod as detected by the strain sensor; and   determining the stress information of the pull rod based on the end strain information in the pull rod, preset elastic modulus information of a material associated with the pull rod, and preset end cross-sectional area information of the pull rod.   
     
     
         11 . The fracturing pump operation fault detection system according to  claim 8 , wherein determining the pump cavity liquid pressure information of the fracturing pump according to the stress information of the pull rod comprises:
 obtaining piston cross-sectional area information of the fracturing pump associated with the pull rod; and   performing calculation based on the piston cross-sectional area information and the stress information of the pull rod, to obtain the pump cavity liquid pressure information of the fracturing pump.   
     
     
         12 . The fracturing pump operation fault detection system according to  claim 8 , wherein the pump cavity liquid pressure information processing circuitry is configured to determine the operation fault detection result of the fracturing pump according to the pump cavity liquid pressure information and phase information of the plunger by:
 determining the phase information of the plunger corresponding to the stress information of the pull rod;   detecting whether the pump cavity liquid pressure information is consistent with the phase information of the plunger;   determining liquid pressure information of the fracturing pump according to the pump cavity liquid pressure information and the phase information of the plunger if the pump cavity liquid pressure information is consistent with the phase information of the plunger; and   generating an abnormal detection result for the fracturing pump if the liquid pressure information of the fracturing pump does not meet a preset pressure threshold.   
     
     
         13 . The fracturing pump operation fault detection system according to  claim 12 , wherein the pump cavity liquid pressure information processing circuitry is configured to determine the liquid pressure information of the fracturing pump according to the pump cavity liquid pressure information and the phase information of the plunger by:
 if the phase information of the plunger belongs to first phase information of the plunger, determining the liquid pressure information of the fracturing pump according to the pump cavity liquid pressure information and the first phase information of the plunger; and   if the phase information of the plunger belongs to second phase information of the plunger, determining the liquid pressure information of the fracturing pump according to the pump cavity liquid pressure information and the second phase information of the plunger.   
     
     
         14 . The fracturing pump operation fault detection system according to  claim 13 , wherein the pump cavity liquid pressure information processing circuitry is configured to, after generating the abnormal detection result of the fracturing pump:
 trigger an output of alarm information based on the abnormal detection result, wherein   the pump cavity liquid pressure information processing circuitry is configured to generate the abnormal detection result by: if the liquid pressure information does not meet a preset first pressure information threshold, generating a first detection result indicating that the fracturing pump is abnormal for a first reason; and if the liquid pressure information does not meet a preset second pressure information threshold, generating a second detection result indicating that the fracturing pump is abnormal for a second reason.   
     
     
         15 . A fracturing pump operation fault detection device, comprising a processor, a communication interface, a memory, and a communication bus, wherein the processor, the communication interface, and the memory communicate with each other through the communication bus;
 the memory is configured to store a computer program; and   the processor is configured to implement, when executing the computer program stored in the memory, the fracturing pump operation fault detection method according to  claim 1 .   
     
     
         16 . A non-transitory computer-readable storage medium, having a computer program stored therein, wherein the computer program, when being executed by a processor, implements the fracturing pump operation fault detection method according  claim 1 .