WO2024011762A1 - 液压监控系统 - Google Patents

液压监控系统 Download PDF

Info

Publication number
WO2024011762A1
WO2024011762A1 PCT/CN2022/122779 CN2022122779W WO2024011762A1 WO 2024011762 A1 WO2024011762 A1 WO 2024011762A1 CN 2022122779 W CN2022122779 W CN 2022122779W WO 2024011762 A1 WO2024011762 A1 WO 2024011762A1
Authority
WO
WIPO (PCT)
Prior art keywords
control system
motor
sensor
injection pump
monitoring system
Prior art date
Application number
PCT/CN2022/122779
Other languages
English (en)
French (fr)
Inventor
刘永诚
李富红
唐玉国
王建伟
马忠章
冯晓宇
Original Assignee
烟台杰瑞石油装备技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 烟台杰瑞石油装备技术有限公司 filed Critical 烟台杰瑞石油装备技术有限公司
Publication of WO2024011762A1 publication Critical patent/WO2024011762A1/zh

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
    • F15B19/005—Fault detection or monitoring

Definitions

  • the present application relates to the technical field of hydraulic systems for coiled tubing operations, and specifically to a hydraulic monitoring system.
  • the coiled tubing operating machine in the existing technology is a common operating equipment on the current oil field site. It can complete various operations such as drilling, workover, and logging, and is called a universal operating machine. It mainly consists of power part, control part, drum, injection head, well control, etc. The completion and control of each action is mainly realized by the hydraulic system.
  • the injection pump and injection head hydraulic system are used to drive and control the operation of the injection head motor. They are the main driving mechanisms for the oil pipe to enter and leave the well. They are one of the most important parts of the hydraulic system of the coiled tubing operating machine.
  • the main purpose of this application is to provide a hydraulic monitoring system to solve the technical problem in the prior art that it is inconvenient to troubleshoot hydraulic system faults.
  • this application provides a hydraulic monitoring system, including: an injection pump, an injection head motor and a fuel tank, the injection pump is connected to the fuel tank, and the injection head motor is connected to the injection pump; a first monitoring system and/or a second monitoring system System, the first monitoring system is used to monitor the working condition of the injection pump, and the second monitoring system is used to monitor the working condition of the injection head motor; the control system, the first monitoring system and/or the second monitoring system are both related to the control system.
  • the system is connected so that the control system issues corresponding instructions based on signals monitored by the first monitoring system and/or the second monitoring system.
  • the first monitoring system includes: a first pressure sensor, which is arranged at the oil supply port of the injection pump.
  • the first pressure sensor is used to detect the pressure at the oil supply port and send the detected signal to the control system; when the first pressure sensor When the pressure value detected by a pressure sensor is less than the first preset pressure value, the control system sends a first instruction message; when the pressure value detected by the first pressure sensor is greater than or equal to the first preset pressure value and less than the second preset pressure value When the pressure value reaches the first preset pressure value, the control system sends a second instruction message; wherein the first preset pressure value is smaller than the second preset pressure value.
  • the hydraulic monitoring system also includes a first filter, the first filter is connected to the injection pump; the first monitoring system also includes: a first pressure difference transmitter, connected to the first filter, the first pressure difference transmitter The device is used to detect the pressure difference signal of the first filter and send the detected signal to the control system; when the pressure difference signal detected by the first pressure difference transmitter is greater than the third preset pressure value, the control system sends a third command information.
  • the first monitoring system also includes: a first temperature detection part, which is arranged at the oil drain port of the injection pump.
  • the first temperature detection part is used to detect the temperature at the oil drain port of the injection pump and send the detected signal. to the control system; when the temperature detected by the first temperature detection component is greater than or equal to the first preset temperature, the control system sends a fourth instruction message; when the temperature detected by the first temperature detection component is greater than or equal to the second preset temperature value and less than the first preset temperature value, the control system sends the fifth command message; wherein the first preset temperature is greater than the second preset temperature.
  • the first monitoring system also includes: a negative pressure sensor, which is arranged at the oil suction port of the injection pump.
  • the negative pressure sensor is used to detect the oil suction pressure at the oil suction port of the injection pump and send the detected signal to the control system; when the negative pressure sensor When the pressure value detected by the pressure sensor is less than or equal to the fourth preset pressure value, the control system sends a sixth command message; when the pressure value detected by the negative pressure sensor is greater than the fourth preset pressure value and less than the fifth preset pressure value when the pressure value detected by the negative pressure sensor is smaller than the sixth preset pressure value; when the pressure value detected by the negative pressure sensor is less than the sixth preset pressure value, the control system issues the seventh command message; when the negative pressure sensor When the pressure value detected by the pressure sensor is greater than or equal to the sixth preset pressure value, the control system sends an eighth command message; wherein the fourth preset pressure value is less than the fifth preset pressure value, and the sixth preset pressure value is greater than the fifth preset pressure value.
  • the first monitoring system also includes: a second pressure sensor, which is arranged on the shuttle valve between the first communication port and the second communication port of the injection pump.
  • the second pressure sensor is used to detect the pressure of the shuttle valve and adjust the pressure of the shuttle valve. The detected signal is sent to the control system.
  • the injection head motor includes a first motor and a second motor
  • the first monitoring system also includes: a third pressure sensor and a fourth pressure sensor, the third pressure sensor is arranged at the fourth communication port of the injection pump, the third pressure sensor The sensor is used to detect the pressure at the fourth communication port and transmit the signal to the control system;
  • the fourth pressure sensor is provided at the fifth communication port of the injection pump, and the fourth pressure sensor is used to detect the pressure at the fifth communication port and transmit the signal to the control system.
  • the signal is transmitted to the control system;
  • the second monitoring system also includes: a first flow sensor, a second flow sensor, a third flow sensor and a fourth flow sensor. The first flow sensor and the second flow sensor are used to detect two components of the first motor.
  • the flow rate at the two communication ports of the second motor and the detected signals are respectively transmitted to the control system; the third flow sensor and the fourth flow sensor are used to detect the flow rate at the two communication ports of the second motor and transmit the detected signals to the control system respectively.
  • a control system wherein the control system monitors the volumetric efficiency of the injection pump based on signals detected by the third pressure sensor, the fourth pressure sensor, the first flow sensor, the second flow sensor, the third flow sensor and the fourth flow sensor; When the volumetric efficiency of the injection pump is less than the preset volumetric efficiency, the control system sends a ninth command message.
  • control system determines the circuit status of the injection pump based on the signal detected by the third pressure sensor and the signal detected by the fourth pressure sensor and calculates the theoretical displacement of the injection pump; the control system determines the circuit status of the injection pump and the first flow rate based on the signal detected by the third pressure sensor and the signal detected by the fourth pressure sensor.
  • the signal detected by the sensor, the signal detected by the second flow sensor, the signal detected by the third flow sensor and the signal detected by the fourth flow sensor calculate the actual flow rate of the injection pump; the control system calculates the actual flow rate of the injection pump according to the engine speed and power take-off speed.
  • the control system calculates the injection pump's speed based on the injection pump's outlet flow rate, injection pump speed, actual flow rate of the injection pump, and theoretical displacement of the injection pump. Calculate the volumetric efficiency of the injection pump; when the loop status of the injection pump is in the well state, the control system calculates the injection pump's efficiency based on the well flow rate of the injection pump, the rotation speed of the injection pump, the actual flow rate of the injection pump, and the theoretical displacement of the injection pump. Volumetric efficiency.
  • the second monitoring system also includes: a second temperature detection component, which is arranged at the oil drain port of the injection head motor.
  • the second temperature detection component is used to detect the temperature value at the oil drain port of the injection head motor and transmit the signal. to the control system; when the temperature value detected by the second temperature detection component is greater than the third preset temperature value, the control system sends the tenth command message.
  • the second monitoring system also includes: a rotational speed sensor, which is arranged at the sprocket of the injection head motor.
  • the rotational speed sensor is used to detect the rotational speed of the sprocket and transmit the signal to the control system; the control system detects the rotational speed based on the rotational speed value detected by the rotational speed sensor.
  • the speed ratio of the reducer calculates the rotation speed of the injection head; when the rotation speed of the injection head is greater than the preset rotation speed, the control system issues an eleventh command message.
  • the second monitoring system also includes: a fifth pressure sensor, which is arranged at the switching communication port of the injection head motor.
  • the fifth pressure sensor is used to detect the pressure value at the switching communication port of the injection head motor and transmit the signal to the control unit.
  • System when the pressure value detected by the fifth pressure sensor is greater than or equal to the seventh preset pressure value and less than or equal to the eighth preset pressure value, the control system calculates the injection head motor according to the pressure value detected by the fifth pressure sensor. Displacement; when the pressure value detected by the fifth pressure sensor is greater than the eighth preset pressure value, the control system calculates the displacement of the injection head motor based on the eighth preset pressure value.
  • the injection head motor includes a first motor and a second motor;
  • the second monitoring system also includes: a first flow sensor, a second flow sensor, a third flow sensor and a fourth flow sensor.
  • the first flow sensor and the second flow sensor The sensor is used to detect the flow at the two communication ports of the first motor and transmit the detected signals to the control system respectively; the third flow sensor and the fourth flow sensor are used to detect the flow at the two communication ports of the second motor.
  • the control system uses the flow rate at the inlet of the first motor as the first theoretical flow rate and the flow rate at the outlet of the first motor as the first actual flow rate to calculate the volumetric efficiency of the first motor; or , the control system calculates the first theoretical flow rate based on the rotation speed of the first motor and the displacement of the first motor.
  • the control system calculates the first theoretical flow rate based on the state of the first motor in and out of the well and the first flow sensor, the second flow sensor, the third flow sensor and the third flow sensor.
  • the data detected by the three flow sensors obtain the first actual flow rate, and the control system calculates the volumetric efficiency of the first motor based on the first theoretical flow rate and the first actual flow rate; and/or, the control system uses the flow rate at the inlet of the second motor as the second actual flow rate.
  • the theoretical flow rate, the volumetric efficiency of the second motor is calculated using the flow rate at the outlet of the second motor as the second actual flow rate; or, the control system calculates the second theoretical flow rate based on the rotation speed of the second motor and the displacement of the second motor, and the control system
  • the second actual flow rate is obtained according to the state of the second motor in and out of the well and the data detected by the first flow sensor, the second flow sensor, the third flow sensor and the third flow sensor.
  • the control system obtains the second actual flow rate according to the second theoretical flow rate and the second actual flow rate. Calculate the volumetric efficiency of the first motor.
  • the control system when the calculated volumetric efficiency of the first motor is lower than the preset volumetric efficiency value, the control system sends a twelfth instruction message; and/or when the calculated volumetric efficiency of the second motor is lower than the preset volume When the efficiency value is reached, the control system sends the thirteenth command message.
  • the hydraulic monitoring system also includes: a third monitoring system, the third monitoring system is used to monitor the working conditions of the fuel tank, so that the control system issues corresponding instructions according to the signals detected by the third monitoring system.
  • the control system can easily monitor the working conditions of the injection pump based on the signal conditions monitored by the first monitoring system and issue corresponding prompt instructions based on the monitoring conditions to facilitate troubleshooting of the injection pump; the control system According to the signal condition monitored by the second monitoring system, the working condition of the injection head motor can be easily monitored, and corresponding prompt instructions can be issued according to the monitoring situation, so as to facilitate corresponding troubleshooting of the injection head motor.
  • Figure 1 shows a schematic diagram of a hydraulic monitoring system provided according to an embodiment of the present application
  • Figure 2 shows a schematic diagram of detection logic of a filter provided according to an embodiment of the present application
  • Figure 3 shows a logical schematic diagram of injection pump temperature monitoring provided according to an embodiment of the present application
  • FIG. 4 shows a schematic logic diagram of the control system provided according to an embodiment of the present application controlling according to the signal of the oil suction pressure of the injection pump;
  • Figure 5 shows a logic diagram for calculating the rotation speed of an injection pump by a control system provided according to an embodiment of the present application
  • Figure 6 shows a schematic logic diagram of the control system provided according to an embodiment of the present application controlling based on the temperature signal of the first motor
  • Figure 7 shows a schematic logic diagram of the control system provided according to an embodiment of the present application controlling according to the temperature signal of the second motor;
  • Figure 8 shows a logic schematic diagram in which the control system provided according to an embodiment of the present application controls based on the signal of the rotational speed of the injection head motor;
  • Figure 9 shows a logic diagram of monitoring the displacement of the injection head motor by a control system provided according to an embodiment of the present application.
  • Figure 10 shows a logic diagram for calculating the efficiency of the first motor by a control system provided according to an embodiment of the present application
  • FIG. 11 shows a logic diagram for calculating the efficiency of the second motor by a control system provided according to an embodiment of the present application.
  • inventions of the present application provide a hydraulic monitoring system.
  • the hydraulic monitoring system includes an injection pump, an injection head motor, a fuel tank and a control system.
  • the injection pump is connected to the fuel tank, and the injection head motor and injection pump connect.
  • the hydraulic monitoring system in this embodiment also includes a first monitoring system, or a second monitoring system, or a first monitoring system and a second monitoring system.
  • the first monitoring system is used to monitor the working condition of the injection pump, and the second monitoring system
  • the system is used to monitor the working condition of the injection head motor.
  • the first monitoring system and/or the second monitoring system are both connected to the control system, so that the control system issues corresponding prompt instructions based on the signals monitored by the first monitoring system and/or the second monitoring system.
  • the control system can easily monitor the working conditions of the injection pump based on the signal conditions monitored by the first monitoring system and issue corresponding prompt instructions based on the monitoring conditions to facilitate troubleshooting of the injection pump. ;
  • the control system can monitor the working condition of the injection head motor according to the signal condition monitored by the second monitoring system and issue corresponding prompt instructions according to the monitoring condition, so as to facilitate corresponding troubleshooting of the injection head motor. Therefore, using the hydraulic monitoring system provided in this embodiment can facilitate troubleshooting of hydraulic system faults.
  • the hydraulic monitoring system in this embodiment is mainly used in coiled tubing operations.
  • the first monitoring system includes a first pressure sensor.
  • the first pressure sensor is arranged at the oil supply port of the injection pump.
  • the first pressure sensor is used to detect the pressure at the oil supply port and send the detected signal. to the control system; when the pressure value detected by the first pressure sensor is less than the first preset pressure value, the control system issues a first instruction message.
  • the first instruction message is an instruction of "charge pump damage"; when the first When the pressure value detected by the pressure sensor is greater than or equal to the first preset pressure value and less than the second preset pressure value, the control system issues a second instruction message.
  • the second instruction message is an instruction of "abnormal charge pump status" ; Wherein, the first preset pressure value is less than the second preset pressure value.
  • the above process corresponds to the filling pressure monitoring process of the injection pump: the measurement data from the pressure sensor 03-4 installed at the M3 port of the injection pump (that is, the first pressure sensor) is transmitted to the control system.
  • the B value the first preset pressure value
  • a pop-up window on the display prompts "The charge pump is damaged, it is recommended to shut down"
  • the system determines that the charge pump is Abnormal status links to injection head motor efficiency, injection filter clogging and injection pump efficiency alarms provide judgment parameters for alarms.
  • the B and C values are determined based on the specific components selected for the equipment and testing. The setting data must be debugged before the equipment leaves the factory.
  • the hydraulic monitoring system further includes a first filter connected to the injection pump; the first monitoring system further includes a first differential pressure transmitter connected to the first filter The first differential pressure transmitter is connected to the first filter, and the first differential pressure transmitter is used to detect the differential pressure signal of the first filter and send the detected signal to the control system; when the differential pressure signal detected by the first differential pressure transmitter is greater than the third preset When the pressure value reaches a certain value, the control system sends a third command message.
  • the third command message is an "abnormal blockage" command.
  • first filters namely the first injection pump filter and the second injection pump filter
  • first pressure difference transmitters namely the pressure difference transmitter 04-2 and the pressure difference transmitter 04-2. Poor transmitter 04-3.
  • the monitoring process of the first injection pump filter is: measured by the pressure difference transmitter 04-2 installed on the first injection pump filter.
  • the filter pressure difference transmitter has an electrical signal transmitted to the control system
  • the value of hydraulic oil temperature sensor 01-1 is greater than D (the third preset pressure value)
  • a pop-up window on the display prompts "The first injection pump filter is clogged, please replace the filter element.”
  • the D value is determined based on the specific components selected for the equipment and testing, and the setting data is completed before the equipment leaves the factory.
  • the monitoring process of the second injection pump filter is: measured by the pressure difference transmitter 04-3 installed on the second injection pump filter.
  • the filter pressure difference transmitter has an electrical signal transmitted to the control system, and this
  • the value of hydraulic oil temperature sensor 01-1 is greater than D
  • a pop-up window on the display prompts "The second injection pump filter is clogged, please replace the filter element.”
  • the D value is determined based on the specific components selected for the equipment and testing, and the setting data is completed before the equipment leaves the factory.
  • this embodiment also includes a perfusion filter.
  • the monitoring process of the perfusion filter is as follows: it is measured by the pressure difference transmitter 04-1 installed on the perfusion filter.
  • the filter pressure difference transmitter transmits an electrical signal, Enter the control system, and at this time, the value of hydraulic oil temperature sensor 01-1 is greater than D (the third preset pressure value), and a pop-up window on the display prompts "The perfusion filter is clogged, please replace the filter element.”
  • the D value is determined based on the specific components selected for the equipment and testing, and the setting data is completed before the equipment leaves the factory.
  • the first monitoring system further includes a first temperature detection component.
  • the first temperature detection component is provided at the oil drain port of the injection pump.
  • the first temperature detection component is used to detect the temperature at the oil drain port of the injection pump. and sends the detected signal to the control system; when the temperature detected by the first temperature detector is greater than or equal to the first preset temperature, the control system sends a fourth instruction message.
  • the fourth instruction message is "stop inspection" " instruction; when the temperature detected by the first temperature detection component is greater than or equal to the second preset temperature value and less than the first preset temperature value, the control system issues the fifth instruction information.
  • the fifth instruction information is " Injection pump is damaged" instruction; wherein the first preset temperature is greater than the second preset temperature.
  • the temperature monitoring process of the injection pump is as follows: the temperature sensor 01-2 installed at the oil drain port of the injection pump (i.e., the first temperature detection component) measures data and is transmitted to the control system. When this value is higher than E (the first temperature detector) preset temperature), a pop-up window on the display prompts "The temperature of the injection pump is too high, please stop and check.” When the temperature is between F (the second preset temperature) and E, the system determines that the injection pump is at high temperature, and a pop-up window on the display prompts "Injection pump is damaged”. Link the oil temperature alarm to provide judgment parameters for the oil temperature alarm.
  • E and F values are determined based on the specific components selected for the equipment and testing, and the data are debugged and set before the equipment leaves the factory.
  • the first monitoring system also includes a negative pressure sensor.
  • the negative pressure sensor is arranged at the oil suction port of the injection pump.
  • the negative pressure sensor is used to detect the oil suction pressure at the oil suction port of the injection pump and send the detected signal to Control system; when the pressure value detected by the negative pressure sensor is less than or equal to the fourth preset pressure value, the control system issues a sixth instruction message.
  • the sixth instruction message is an instruction to "detect whether the oil suction butterfly valve is open"; when When the pressure value detected by the negative pressure sensor is greater than the fourth preset pressure value and less than the fifth preset pressure value, determine the size of the pressure value detected by the negative pressure sensor and the sixth preset pressure value; when the negative pressure sensor detects When the pressure value detected is less than the sixth preset pressure value, the control system issues a seventh instruction message.
  • the seventh instruction message is an instruction to "recommend heating the hydraulic oil”; when the pressure value detected by the negative pressure sensor is greater than or equal to When the sixth preset pressure value is reached, the control system sends the eighth instruction message.
  • the eighth instruction message is the instruction "Please replace the oil suction filter element"; wherein, the fourth preset pressure value is less than the fifth preset pressure value, and the The sixth preset pressure value is greater than the fourth preset pressure value. Adopting such a setting can facilitate corresponding prompt operations according to the negative pressure situation, and facilitate troubleshooting and corresponding operations.
  • the monitoring process of the injection pump suction pressure is as follows: the negative pressure sensor 03-1 installed at the injection pump suction port measures the data and transmits it to the control system. When this value is less than G (the fourth preset pressure value), the display A pop-up window prompts "Please check whether the oil suction butterfly valve is open.” When this value is greater than G and less than H (the fifth preset pressure value), when the oil temperature is lower than the J value, it is determined that the hydraulic oil temperature is low and the oil suction resistance is large, and a pop-up window on the display prompts "It is recommended to heat the hydraulic oil”; when the oil If the temperature is higher than the J (sixth preset pressure value) value, the system determines that the oil suction filter is clogged, and a pop-up window on the display prompts "Please replace the oil suction filter element.”
  • the G, H, and J values are determined based on the specific components selected for the equipment and testing. The setting data is debugged before the equipment leaves the factory.
  • the first monitoring system also includes a second pressure sensor (ie, pressure sensor 03-5).
  • the second pressure sensor is arranged on the shuttle valve between the first communication port and the second communication port of the injection pump. , the second pressure sensor is used to detect the pressure of the shuttle valve and send the detected signal to the control system. With such a setting, it is easy to monitor the pressure of the lock valve and facilitate troubleshooting and maintenance operations.
  • the above process corresponds to the injection head driving pressure monitoring process, specifically: the pressure sensor at port 2 of the shuttle valve between the injection pump M1 port (first communication port) and M2 port (second communication port) measures and transmits the data. Enter the control system and record.
  • the hydraulic oil temperature sensor 01-1 is used to detect the temperature of the hydraulic oil tank
  • the temperature sensor 01-2 i.e., the first temperature detection component
  • the temperature sensor 01-2 3 is used to detect the temperature at the oil drain port of the first motor (ie, the second temperature detection component)
  • the temperature sensor 01-4 is used to detect the temperature at the oil drain port of the second motor.
  • the liquid level sensor 02 is used to detect the liquid level of the hydraulic oil tank.
  • Negative pressure sensor 03-1 is set at the suction port of the injection head
  • pressure sensor 03-2 is set at the M4 port of the injection pump
  • pressure sensor 03-3 is set at the M5 port of the injection pump
  • pressure sensor 03-4 is set at the injection pump.
  • the pressure sensor 03-5 is set at the shuttle valve port 2 between the M1 port and the M2 port of the injection pump, and the pressure sensor 03-6 is set at the X port of the injection head motor.
  • the pressure difference transmitter 04-1 is set at the perfusion filter of the injection pump
  • the pressure difference transmitter 04-2 is set at the first high-pressure filter of the injection pump
  • the pressure difference transmitter 04-3 is set at the first high-pressure filter of the injection pump.
  • the pressure difference transmitter 04-4 is installed at the first injection head filter
  • the pressure difference transmitter 04-5 is installed at the second injection head filter.
  • Particle size monitor 05 is installed at the oil return manifold.
  • Flow meter 06-1 is set at the A port of the first motor
  • flow meter 06-2 is set at the B port of the first motor
  • flow meter 06-3 is set at the A port of the second motor
  • flow meter 06-4 Set at port B of the second motor.
  • the rotation speed sensor 07-1 is arranged at the sprocket corresponding to the first motor
  • the rotation speed sensor 07-2 is arranged at the sprocket corresponding to the second motor.
  • the injection head motor includes a first motor and a second motor
  • the first monitoring system also includes: a third pressure sensor and a fourth pressure sensor, and the third pressure sensor (ie, pressure sensor 03-2) is disposed on At the fourth communication port of the injection pump (that is, the M4 port), the third pressure sensor is used to detect the pressure at the fourth communication port and transmit the signal to the control system;
  • the fourth pressure sensor is arranged at the fifth communication port of the injection pump , the fourth pressure sensor (ie, pressure sensor 03-3) is used to detect the pressure at the fifth communication port (ie, M5 port) and transmit the signal to the control system;
  • the second monitoring system also includes: a first flow sensor , the second flow sensor, the third flow sensor and the fourth flow sensor.
  • the first flow sensor (that is, the flow meter 06-1) and the second flow sensor (that is, the flow meter 06-2) are used to detect the flow rate of the first motor.
  • the flow rates at the two communication ports i.e., port A of the first motor and port B of the first motor
  • the third flow sensor i.e., flow meter 06-3
  • the fourth flow sensor (that is, the flow meter 06-4) is used to detect the flow at the two communication ports of the second motor (that is, the A port of the second motor and the B port of the second motor) and separately detect the detected flow rates.
  • the signal is transmitted to the control system; wherein the control system determines the volumetric efficiency of the injection pump according to the signals detected by the third pressure sensor, the fourth pressure sensor, the first flow sensor, the second flow sensor, the third flow sensor and the fourth flow sensor. Monitoring is performed; when the volumetric efficiency of the injection pump is less than the preset volumetric efficiency, the control system issues a ninth command message.
  • the ninth command message is an instruction to "replace the injection pump".
  • control system determines the loop status of the injection pump based on the signal detected by the third pressure sensor and the signal detected by the fourth pressure sensor and calculates the theoretical displacement of the injection pump; the control system determines the loop status of the injection pump and the first flow rate based on the signal detected by the third pressure sensor and the signal detected by the fourth pressure sensor.
  • the signal detected by the sensor, the signal detected by the second flow sensor, the signal detected by the third flow sensor and the signal detected by the fourth flow sensor calculate the actual flow rate of the injection pump; the control system calculates the actual flow rate of the injection pump according to the engine speed and power take-off speed.
  • the control system calculates the injection pump's speed based on the injection pump's outlet flow rate, injection pump speed, actual flow rate of the injection pump, and theoretical displacement of the injection pump. Calculate the volumetric efficiency of the injection pump; when the loop status of the injection pump is in the well state, the control system calculates the injection pump's efficiency based on the well flow rate of the injection pump, the rotation speed of the injection pump, the actual flow rate of the injection pump, and the theoretical displacement of the injection pump. Volumetric efficiency. Adopting such a setting can easily improve the calculation accuracy of the volumetric efficiency of the injection pump.
  • the above process corresponds to the volumetric efficiency monitoring process of the injection pump.
  • the specific steps are as follows: the pressure sensor 03-2 installed at the M4 port of the injection pump and the pressure sensor 03-3 at the M5 port are installed at the A port and the M5 port of the first motor.
  • the flow sensors of port B of the first motor, port A of the second motor, and port B of the second motor are completed together with the engine speed.
  • Step 1 Determine the status of the injection pump circuit based on the value of the pressure sensor 03-3 at the M5 port minus the value of the pressure sensor 03-2 at the M4 port. When the value is positive, it means leaving the well, and when it is negative, it means entering the well.
  • Step 2 Calculate the displacement of the injection pump based on the values of the pressure sensors at ports M4 and M5. The formula is as follows:
  • the values of M5 and M4 are measured by sensors, and 250, P servo control initial value , and ⁇ P servo control are all determined by the system component configuration.
  • Step 3 Calculate the actual output flow rate of the injection pump.
  • the actual output flow rate of the injection pump is equal to the sum of the flow sensor values of port A of the first motor and port B of the first motor;
  • the actual output flow rate of the injection pump is equal to the sum of the flow sensor values of port B of the second motor and Add the flow sensor values of port A of the second motor;
  • Step 4 Calculate the speed of the injection pump. Its value is equal to the product of engine speed, power take-off speed ratio and transfer case speed ratio.
  • the engine speed is provided by the sensor of the engine itself.
  • the power take-off speed ratio and transfer case speed ratio are determined by the system configuration. Before equipment testing Write.
  • Step 5 Calculate the volumetric efficiency of the injection pump.
  • volumetric efficiency of an injection pump is equal to the actual output flow of the pump compared to the theoretical output flow.
  • volumetric efficiency ⁇ V is calculated as follows:
  • ⁇ V 1000 ⁇ Q pump out of the well /n pump speed V pump out of the well ;
  • Q pump outlet well is the flow rate of the injection pump outlet well
  • n pump speed is the injection pump speed
  • V pump outlet well is the injection pump outlet well displacement
  • Q pump well flow is the flow rate of the injection pump into the well
  • n pump speed is the injection pump speed
  • V pump well flow is the injection pump well displacement
  • the system determines that the injection pump efficiency is low, and a pop-up window on the display prompts "Please replace the injection pump.” Specifically, the J value is determined based on the specific components selected for the equipment and testing, and the setting data is debugged before the equipment leaves the factory.
  • the second monitoring system also includes a second temperature detection component.
  • the second temperature detection component is arranged at the oil drain port of the injection head motor.
  • the second temperature detection component is used to detect the oil drain port of the injection head motor. temperature value and transmits the signal to the control system; when the temperature value detected by the second temperature detection component is greater than the third preset temperature value, the control system issues a tenth command message.
  • the tenth command message is "Injection head "Motor damaged" command. Using such a setting can facilitate troubleshooting and prompts for the injection head motor.
  • the above process corresponds to the injection head motor temperature monitoring process.
  • the specific process is: installed at the oil discharge port of the first motor (the oil drain port of the first motor is the L port of the first motor) and the second motor.
  • the temperature sensor measurement data at the oil discharge port (the oil drain port of the second motor is the L port of the second motor) is transmitted to the control system.
  • the system determines that the first motor is damaged, and a pop-up window on the display prompts "Injection head motor is damaged and will be checked.” At the same time, it is connected to the high oil temperature and injection head speed alarms to provide judgment parameters for them.
  • the measured temperature value at the second motor is greater than the K value (the third preset temperature value)
  • the system determines that the second motor is damaged, and a pop-up window on the display prompts "Injection head motor is damaged and will be checked.” At the same time, it is connected to the high oil temperature and injection head speed alarms to provide judgment parameters for them.
  • the K value is determined based on the specific components selected for the equipment and testing, and the setting data is completed before the equipment leaves the factory.
  • the second monitoring system also includes a rotational speed sensor.
  • the rotational speed sensor is arranged at the sprocket of the injection head motor.
  • the rotational speed sensor is used to detect the rotational speed of the sprocket and transmit the signal to the control system; the control system detects the rotational speed based on the rotational speed sensor.
  • the speed value obtained and the speed ratio of the reducer are used to calculate the speed of the injection head; when the speed of the injection head is greater than the preset speed, the control system issues an eleventh command message.
  • the eleventh command message is "the speed of the injection head is overspeed.” "Instructions. With such a setting, it is easy to monitor the rotation speed of the injection head and make adaptive adjustments.
  • the above process corresponds to the injection head motor speed monitoring process.
  • the specific process is: the data measured by the speed sensor installed on the sprocket corresponding to the first motor and the data measured by the speed sensor installed on the sprocket corresponding to the second motor are transmitted to the system, combined with The inherent speed ratio of the reducer of the injection head motor is calculated (the first motor is connected to the first reducer, and the second motor is connected to the second reducer). Its speed is equal to the product of the sprocket speed and the speed ratio of the reducer.
  • the system determines that the injection head motor is overspeed, and a pop-up window on the display prompts "Please reduce the injection head speed.”
  • the rotation speed value is recorded and the state of entering and exiting the well is determined.
  • the sensor value is a positive value, it is the state of entering the well, and when it is a negative value, it is the state of exiting the well.
  • the L value is determined based on the specific components selected for the equipment and testing, and the setting data is completed before the equipment leaves the factory.
  • the second monitoring system further includes a fifth pressure sensor.
  • the fifth pressure sensor is arranged at the switching communication port of the injection head motor.
  • the fifth pressure sensor is used to detect the pressure value at the switching communication port of the injection head motor. and transmits the signal to the control system; when the pressure value detected by the fifth pressure sensor is greater than or equal to the seventh preset pressure value and less than or equal to the eighth preset pressure value, the control system determines the pressure value detected by the fifth pressure sensor according to the pressure value detected by the fifth pressure sensor. value to calculate the displacement of the injection head motor; when the pressure value detected by the fifth pressure sensor is greater than the eighth preset pressure value, the control system calculates the displacement of the injection head motor based on the eighth preset pressure value. With such a setting, the displacement of the injection head motor can be easily monitored for troubleshooting and subsequent maintenance operations.
  • the displacement monitoring process of the injection head motor is as follows: a sensor installed at the X port of the injection head motor (that is, the switching communication port of the injection head motor, which is used to control the switching of the inflow and outflow directions).
  • the pressure sensor measures the data and transmits it to the system. The calculation starts when the value is greater than or equal to 116 (corresponding to the seventh preset pressure value here). When it is greater than 203 (corresponding to the eighth preset pressure value here), the value is taken. It is 203. Values of 116, 203, 90, 87, and 45 are suitable for Linde HMV135 series motors. According to the specific components selected for the equipment, this value can be changed according to the manufacturer's sample.
  • the current setting data must be debugged before the equipment leaves the factory.
  • For the first motor it is detected by the pressure sensor installed at the X port of the first motor and transmitted to the control system; for the second motor, it is detected by the pressure sensor installed at the X port of the second motor. detected and transmitted to the control system.
  • the injection head motor includes a first motor and a second motor;
  • the second monitoring system also includes: a first flow sensor, a second flow sensor, a third flow sensor and a fourth flow sensor.
  • the first flow sensor and the second flow sensor The sensor is used to detect the flow at the two communication ports of the first motor and transmit the detected signals to the control system respectively; the third flow sensor and the fourth flow sensor are used to detect the flow at the two communication ports of the second motor.
  • the control system uses the flow rate at the inlet of the first motor as the first theoretical flow rate and the flow rate at the outlet of the first motor as the first actual flow rate to calculate the volumetric efficiency of the first motor; or , the control system calculates the first theoretical flow rate based on the rotation speed of the first motor and the displacement of the first motor.
  • the control system calculates the first theoretical flow rate based on the state of the first motor in and out of the well and the first flow sensor, the second flow sensor, the third flow sensor and the third flow sensor.
  • the data detected by the three flow sensors obtain the first actual flow rate, and the control system calculates the volumetric efficiency of the first motor based on the first theoretical flow rate and the first actual flow rate; and/or, the control system uses the flow rate at the inlet of the second motor as the second actual flow rate.
  • the theoretical flow rate, the volumetric efficiency of the second motor is calculated using the flow rate at the outlet of the second motor as the second actual flow rate; or, the control system calculates the second theoretical flow rate based on the rotation speed of the second motor and the displacement of the second motor, and the control system
  • the second actual flow rate is obtained according to the state of the second motor in and out of the well and the data detected by the first flow sensor, the second flow sensor, the third flow sensor and the third flow sensor.
  • the control system obtains the second actual flow rate according to the second theoretical flow rate and the second actual flow rate. Calculate the volumetric efficiency of the first motor. Using the above two methods can facilitate accurate calculation of the volumetric efficiency of the first motor, thereby facilitating monitoring of the first motor and the second motor.
  • the control system when the calculated volumetric efficiency of the first motor is lower than the preset volumetric efficiency value, the control system sends the twelfth instruction information. Specifically, the twelfth instruction information is "the first motor efficiency is low" instruction; and/or, when the calculated volumetric efficiency of the second motor is lower than the preset volumetric efficiency value, the control system issues a thirteenth instruction message. Specifically, the thirteenth instruction message is "The second motor efficiency is low.” "Instructions. With such an arrangement, it is easy to judge the efficiency of the first motor and the efficiency of the second motor based on monitoring the first motor and the second motor, and facilitate troubleshooting and subsequent maintenance.
  • the above process corresponds to the volumetric efficiency monitoring process of the injection head motor.
  • the specific process is as follows: the monitoring value of the displacement of the injection head motor, the monitoring value of the rotation speed of the injection head motor, and port A of the first motor, port B of the second motor, and port B of the second motor.
  • the flow sensor values of port A of the first motor and port B of the second motor are completed together.
  • the volumetric efficiency of the motor is equal to the theoretical flow of the motor divided by the actual flow of the motor.
  • the theoretical flow of the motor can be multiplied by the motor speed and the motor displacement, or it can be measured with the motor inlet flow sensor. Therefore, there are two ways to calculate the volumetric efficiency of the injection head motor.
  • port A of the first motor flows in as the inlet
  • port B of the first motor flows out as the outlet
  • port A of the first motor flows out as the outlet
  • port B of the second motor flows out
  • port B of the second motor flows out
  • port A of the second motor flows out as the outlet.
  • Method 1 for calculating the volumetric efficiency of the injection head motor use the value of the flow sensor at the motor inlet as the theoretical flow rate of the motor, and the measured value of the sensor at the motor outlet as the actual flow rate, and calculate it based on the well inlet and outlet status determined by the injection head motor speed monitoring link.
  • the motor calculation result is less than N, the system determines that the motor volumetric efficiency is low, and a pop-up window on the display prompts "Injection head motor efficiency is low.”
  • Motor volumetric efficiency calculation method 2 Multiply the motor speed and motor displacement as the theoretical flow rate of the motor. Combined with the well entry and exit status determined by the injection head motor speed monitoring link, when entering the well state, the values measured by the flow sensors of port B of the first motor and port A of the second motor are their corresponding theoretical flow rates; when entering the well state, The values measured by the flow sensors at port A of the first motor and port B of the second motor are their corresponding theoretical flow rates.
  • the calculation formula of the motor volumetric efficiency ⁇ that large volume is as follows:
  • V motor displacement is the motor displacement
  • n motor speed is the motor speed
  • Q motor actual flow is the actual flow of the motor.
  • the second monitoring system further includes: a first injection head filter and a second injection head filter.
  • the monitoring process of the first injection head filter is: measured by the pressure difference transmitter 04-4 installed on the first injection head filter.
  • the filter pressure difference transmitter has an electrical signal transmitted to the control system, At this time, the value of the hydraulic oil temperature sensor 01-1 is greater than D, and a pop-up window on the display prompts "The first injection head filter is clogged, please replace the filter element.”
  • the D value is determined based on the specific components selected for the equipment and testing, and the setting data is completed before the equipment leaves the factory.
  • the monitoring process of the second injection head filter is: measured by the pressure difference transmitter 04-5 installed on the injection head filter.
  • the value of hydraulic oil temperature sensor 01-1 is greater than D, and a pop-up window on the display prompts "The second injection head filter is clogged, please replace the filter element.”
  • the D value is determined based on the specific components selected for the equipment and testing, and the setting data is completed before the equipment leaves the factory.
  • the hydraulic monitoring system also includes a third monitoring system.
  • the third monitoring system is used to monitor the working conditions of the fuel tank, so that the control system issues corresponding instructions based on the signals detected by the third monitoring system.
  • the third monitoring system includes a third temperature sensor.
  • the hydraulic oil temperature monitoring process is: the measurement data from the third temperature sensor installed on the oil tank is transmitted to the control system, and the data is used for judgment by other links.
  • the third monitoring system also includes a liquid level sensor.
  • the fuel tank liquid level monitoring process is: the measured data from the liquid level sensor installed on the fuel tank is transmitted to the control system. When the value is lower than the A value, the display screen pops up. The window prompts "The fluid level is low, please add hydraulic oil.”
  • the A value is determined based on the specific configuration and testing of the equipment, and the setting data is debugged before the equipment leaves the factory.
  • one of the A port of the injection pump and the B port of the injection pump is the inlet and the other is the outflow port. If the A port of the injection pump is the inflow port, the B port of the injection pump is the outflow port. If port B of the injection pump is the inlet, port A of the injection pump is the outflow port. One of the A port of the first motor and the B port of the first motor is the inlet and the other is the outflow port. If the A port of the first motor is the inflow port, the B port of the first motor is the outflow port. The B port of the first motor is the outflow port. If the port is the inlet, port A of the first motor is the outflow port.
  • the L1 port in the injection pump is the upper drain port, and L2 is the lower drain port.
  • X1 and X2 are used to control whether the inflow and outflow directions of ports A and B are switched.
  • Port M1 is used to measure the data at port A.
  • Port M2 is used to measure the data at port B.
  • Ports M3 and M6 are both connected to the charge pump passage.
  • Ports M4 and M5 are used to communicate with each other in the direction of inflow into the injection pump to control the displacement of the injection pump. .
  • the L port of the first motor is the oil drain port of the first motor
  • the L port of the second motor is the oil drain port of the second motor.
  • the hydraulic monitoring system also includes a brake valve, a butterfly valve, a shuttle valve, a particle size detector and a flushing valve.
  • spatially relative terms can be used here, such as “on", “on", “on the upper surface of", “above”, etc., to describe what is shown in the figure.
  • the exemplary term “over” may include both orientations “above” and “below.”
  • the device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

提供了一种液压监控系统，包括：注入泵、注入头马达和油箱，注入泵和油箱连接，注入头马达和注入泵连接；第一监测系统和/或第二监测系统，第一监测系统用于对注入泵的工作情况进行监测，第二监测系统用于对注入头马达的工作情况进行监测；控制系统，第一监测系统和/或第二监测系统均与控制系统连接，以使控制系统根据第一监测系统和/或第二监测系统监测到的信号发出相应的指令。该液压监控系统能够便于对液压系统的故障进行排查。

Description

液压监控系统
本申请要求于2022年07月15日提交至中国国家知识产权局、申请号为202210832150.3、申请名称为“液压监控系统”的专利申请的优先权。
技术领域
本申请涉及连续油管作业液压系统技术领域，具体而言，涉及一种液压监控系统。
背景技术
目前，现有技术中的连续油管作业机是目前油田现场一种常见的作业设备，可以完成钻井、修井、测井等各种作业，被称为万能作业机。其主要有动力部分、控制部分、滚筒、注入头、井控等组成。各动作的完成和控制主要由液压系统实现。其中注入泵和注入头液压系统是用来驱动和控制注入头马达运转的，是油管进井和出井的主要驱动机构，是连续油管作业机液压系统最重要的部分之一。
然而，在连续油管作业机在现场实际使用过程中，由于需要操作的元件较多、需要观察的仪表也较多，且注入头作业时由吊机吊在半空中。这样不便于对各个元件的故障进行排除，给故障排除工作带来了极大的不便。
发明内容
本申请的主要目的在于提供一种液压监控系统，以解决现有技术中的不便于对液压系统的故障进行排查的技术问题。
为了实现上述目的，本申请提供了一种液压监控系统，包括：注入泵、注入头马达和油箱，注入泵和油箱连接，注入头马达和注入泵连接；第一监测系统和/或第二监测系统，第一监测系统用于对注入泵的工作情况进行监测，第二监测系统用于对注入头马达的工作情况进行监测；控制系统，第一监测系统和/或第二监测系统均与控制系统连接，以使控制系统根据第一监测系统和/或第二监测系统监测到的信号发出相应的指令。
进一步地，第一监测系统包括：第一压力传感器，设置在注入泵的补油口处，第一压力传感器用于检测补油口处的压力并将检测到的信号发送至控制系统；当第一压力传感器检测到的压力值小于第一预设压力值时，控制系统发出第一指令信息；当第一压力传感器检测到的压力值大于或等于第一预设压力值且小于第二预设压力值时，控制系统发出第二指令信息；其中，第一预设压力值小于第二预设压力值。
进一步地，液压监控系统还包括第一过滤器，第一过滤器与注入泵连接；第一监测系统还包括：第一压差发讯器，与第一过滤器连接，第一压差发讯器用于检测第一过滤器的压差 信号并将检测到的信号发送至控制系统；当第一压差发讯器检测到的压差讯号大于第三预设压力值时，控制系统发出第三指令信息。
进一步地，第一监测系统还包括：第一温度检测件，设置在注入泵的泄油口处，第一温度检测件用于检测注入泵的泄油口处的温度并将检测到的信号发送至控制系统；当第一温度检测件检测到的温度大于或等于第一预设温度时，控制系统发出第四指令信息；当第一温度检测件检测到的温度大于或等于第二预设温度值且小于第一预设温度值时，控制系统发出第五指令信息；其中，第一预设温度大于第二预设温度。
进一步地，第一监测系统还包括：负压传感器，设置在注入泵的吸油口处，负压传感器用于检测注入泵吸油口处的吸油压力并将检测到的信号发送至控制系统；当负压传感器检测到的压力值小于或等于第四预设压力值时，控制系统发出第六指令信息；当负压传感器检测到的压力值大于第四预设压力值且小于第五预设压力值时，判断负压传感器检测到的压力值与第六预设压力值的大小情况；当负压传感器检测到的压力值小于第六预设压力值时，控制系统发出第七指令信息；当负压传感器检测到的压力值大于或等于第六预设压力值时，控制系统发出第八指令信息；其中，第四预设压力值小于第五预设压力值，第六预设压力值大于第四预设压力值。
进一步地，第一监测系统还包括：第二压力传感器，设置在注入泵的第一连通口和第二连通口之间的梭阀上，第二压力传感器用于检测梭阀的压力大小并将检测到的信号发送至控制系统。
进一步地，注入头马达包括第一马达和第二马达；第一监测系统还包括：第三压力传感器和第四压力传感器，第三压力传感器设置在注入泵的第四连通口处，第三压力传感器用于检测第四连通口处的压力并将信号传送至控制系统；第四压力传感器设置在注入泵的第五连通口处，第四压力传感器用于检测第五连通口处的压力并将信号传送至控制系统；第二监测系统还包括：第一流量传感器、第二流量传感器、第三流量传感器和第四流量传感器，第一流量传感器和第二流量传感器用于检测第一马达的两个连通口处的流量并分别将检测到的信号传递至控制系统；第三流量传感器和第四流量传感器用于检测第二马达的两个连通口处的流量并分别将检测到的信号传递至控制系统；其中，控制系统根据第三压力传感器、第四压力传感器、第一流量传感器、第二流量传感器、第三流量传感器和第四流量传感器检测到的信号对注入泵的容积效率进行监测；当注入泵的容积效率小于预设的容积效率时，控制系统发出第九指令信息。
进一步地，控制系统根据第三压力传感器检测到的信号和第四压力传感器检测到的信号判断注入泵的回路状态并计算注入泵的理论排量；控制系统根据注入泵的回路状态、第一流量传感器检测到的信号、第二流量传感器检测到的信号、第三流量传感器检测到的信号和第四流量传感器检测到的信号计算注入泵的实际流量；控制系统根据发动机的转速、取力器速比以及分动箱速比计算注入泵的转速；当注入泵的回路状态为出井状态时，控制系统根据注入泵的出井流量、注入泵的转速、注入泵的实际流量以及注入泵的理论排量计算注入泵的容 积效率；当注入泵的回路状态为进井状态时，控制系统根据注入泵的进井流量、注入泵的转速、注入泵的实际流量以及注入泵的理论排量计算注入泵的容积效率。
进一步地，第二监测系统还包括：第二温度检测件，设置在注入头马达的泄油口处，第二温度检测件用于检测注入头马达的泄油口处的温度值并将信号传递至控制系统；当第二温度检测件检测到的温度值大于第三预设温度值时，控制系统发出第十指令信息。
进一步地，第二监测系统还包括：转速传感器，设置在注入头马达的链轮处，转速传感器用于检测链轮的转速并将信号传递至控制系统；控制系统根据转速传感器检测到的转速值以及减速机的速比计算注入头的转速；当注入头的转速大于预设转速时，控制系统发出第十一指令信息。
进一步地，第二监测系统还包括：第五压力传感器，设置在注入头马达的切换连通口处，第五压力传感器用于检测注入头马达的切换连通口处的压力值并将信号传送至控制系统；当第五压力传感器检测到的压力值大于或等于第七预设压力值且小于或等于第八预设压力值时，控制系统根据第五压力传感器检测到的压力值计算注入头马达的排量；当第五压力传感器检测到的压力值大于第八预设压力值时，控制系统根据第八预设压力值计算注入头马达的排量。
进一步地，注入头马达包括第一马达和第二马达；第二监测系统还包括：第一流量传感器、第二流量传感器、第三流量传感器和第四流量传感器，第一流量传感器和第二流量传感器用于检测第一马达的两个连通口处的流量并分别将检测到的信号传递至控制系统；第三流量传感器和第四流量传感器用于检测第二马达的两个连通口处的流量并分别将检测到的信号传递至控制系统；控制系统以第一马达的入口的流量为第一理论流量、以第一马达的出口的流量为第一实际流量计算第一马达的容积效率；或者，控制系统以第一马达的转速和第一马达的排量计算得到第一理论流量，控制系统根据第一马达的进出井状态以及第一流量传感器、第二流量传感器、第三流量传感器和第三流量传感器检测到的数据得到第一实际流量，控制系统根据第一理论流量和第一实际流量计算第一马达的容积效率；和/或，控制系统以第二马达的入口的流量为第二理论流量、以第二马达的出口的流量为第二实际流量计算第二马达的容积效率；或者，控制系统以第二马达的转速和第二马达的排量计算得到第二理论流量，控制系统根据第二马达的进出井状态以及第一流量传感器、第二流量传感器、第三流量传感器和第三流量传感器检测到的数据得到第二实际流量，控制系统根据第二理论流量和第二实际流量计算第一马达的容积效率。
进一步地，当计算得到的第一马达的容积效率低于预设容积效率值时，控制系统发出第十二指令信息；和/或，当计算得到的第二马达的容积效率低于预设容积效率值时，控制系统发出第十三指令信息。
进一步地，液压监控系统还包括：第三监测系统，第三监测系统用于对油箱的工作情况进行监测，以使控制系统根据第三监测系统检测到的信号发出相应的指令。
应用本申请的技术方案，控制系统根据第一监测系统监测到的信号情况能够便于对注入泵的工作情况进行监测并根据监测情况发出相应的提示指令，以便于对注入泵进行故障排查；控制系统根据第二监测系统监测到的信号情况能够便于对注入头马达的工作情况进行监测并根据监测情况发出相应的提示指令，以便于对注入头马达进行相应的故障排查。
附图说明
构成本申请的一部分的说明书附图用来提供对本申请的进一步理解，本申请的示意性实施例及其说明用于解释本申请，并不构成对本申请的不当限定。在附图中：
图1示出了根据本申请的实施例提供的液压监控系统的示意图；
图2示出了根据本申请的实施例提供的过滤器的检测逻辑示意图；
图3示出了根据本申请的实施例提供的注入泵温度监测的逻辑示意图；
图4示出了根据本申请的实施例提供的控制系统根据注入泵的吸油压力的信号进行控制的逻辑示意图；
图5示出了根据本申请的实施例提供的控制系统计算注入泵的转速的逻辑示意图；
图6示出了根据本申请的实施例提供的控制系统根据第一马达的温度的信号进行控制的逻辑示意图；
图7示出了根据本申请的实施例提供的控制系统根据第二马达的温度的信号进行控制的逻辑示意图；
图8示出了根据本申请的实施例提供的控制系统根据注入头马达的转速的信号进行控制的逻辑示意图；
图9示出了根据本申请的实施例提供的控制系统对注入头马达的排量进行监测的逻辑示意图；
图10示出了根据本申请的实施例提供的控制系统计算第一马达的效率的逻辑示意图；
图11示出了根据本申请的实施例提供的控制系统计算第二马达的效率的逻辑示意图。
具体实施方式
需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。下面将参考附图并结合实施例来详细说明本申请。
如图1至图11所示，本申请的实施例提供了一种液压监控系统，液压监控系统包括注入泵、注入头马达、油箱和控制系统，注入泵和油箱连接，注入头马达和注入泵连接。本实施例中的液压监控系统还包括第一监测系统、或者第二监测系统、或者第一监测系统和第二监 测系统，第一监测系统用于对注入泵的工作情况进行监测，第二监测系统用于对注入头马达的工作情况进行监测。第一监测系统和/或第二监测系统均与控制系统连接，以使控制系统根据第一监测系统和/或第二监测系统监测到的信号发出相应的提示指令。
采用本实施例提供的液压监控系统，控制系统根据第一监测系统监测到的信号情况能够便于对注入泵的工作情况进行监测并根据监测情况发出相应的提示指令，以便于对注入泵进行故障排查；控制系统根据第二监测系统监测到的信号情况能够便于对注入头马达的工作情况进行监测并根据监测情况发出相应的提示指令，以便于对注入头马达进行相应的故障排查。因此，采用本实施例提供的液压监控系统，能够便于对液压系统的故障进行排查。
具体地，本实施例中的液压监控系统主要用于连续油管作业中。
在本实施例中，第一监测系统包括第一压力传感器，第一压力传感器设置在注入泵的补油口处，第一压力传感器用于检测补油口处的压力并将检测到的信号发送至控制系统；当第一压力传感器检测到的压力值小于第一预设压力值时，控制系统发出第一指令信息，具体地，第一指令信息为“补油泵损坏”的指令；当第一压力传感器检测到的压力值大于或等于第一预设压力值且小于第二预设压力值时，控制系统发出第二指令信息，具体地，第二指令信息为“补油泵状态异常”的指令；其中，第一预设压力值小于第二预设压力值。采用这样的设置，能够便于快速判断补油泵的工作状态，并使工作人员能够根据对应的指令快速进行相关排查和维修工作。
具体地，上述过程对应为注入泵补油压力监测过程：由安装在注入泵M3口的压力传感器03-4(即为第一压力传感器)测量数据传入控制系统，当此数值低于B值(第一预设压力值)时，显示屏弹窗提示“补油泵损坏，建议停机”；当数值大于或等于B值小于C值(第二预设压力值)时，此时系统判定补油泵状态异常链接注入头马达效率、灌注过滤器堵塞和注入泵效率报警，为报警提供判断参数。B和C值根据设备具体选用的元件及测试确定，在设备出厂前调试完毕设定数据。
在本实施例中，液压监控系统还包括第一过滤器，第一过滤器与注入泵连接；第一监测系统还包括第一压差发讯器，第一压差发讯器与第一过滤器连接，第一压差发讯器用于检测第一过滤器的压差信号并将检测到的信号发送至控制系统；当第一压差发讯器检测到的压差讯号大于第三预设压力值时，控制系统发出第三指令信息，具体地，第三指令信息为“异常堵塞”的指令。采用这样的设置，能够便于快速判断第一过滤器是否发生堵塞的情况。
具体地，第一过滤器有两个，分别为第一注入泵过滤器和第二注入泵过滤器；第一压差发讯器为两个，分别为压差发讯器04-2和压差发讯器04-3。其中，第一注入泵过滤器的监测过程为：由安装在第一注入泵过滤器上的压差发讯器04-2测量，当过滤器压差发讯器有电信号传入控制系统，且此时液压油温传感器01-1数值大于D(第三预设压力值)，显示屏弹窗提示“第一注入泵过滤器堵塞，请更换滤芯”。D值根据设备具体选用的元件及测试确定，在设备出厂前调试完毕设定数据。
第二注入泵过滤器的监测过程为：由安装在第二注入泵过滤器上的压差发讯器04-3测量，当过滤器压差发讯器有电信号传入控制系统，且此时液压油温传感器01-1数值大于D，显示屏弹窗提示“第二注入泵过滤器堵塞，请更换滤芯”。D值根据设备具体选用的元件及测试确定，在设备出厂前调试完毕设定数据。
具体地，本实施例中还包括灌注过滤器，灌注过滤器监测过程如下：由安装在灌注过滤器上的压差发讯器04-1测量，当过滤器压差发讯器有电信号传入控制系统，且此时液压油温传感器01-1数值大于D(第三预设压力值)，显示屏弹窗提示“灌注过滤器堵塞，请更换滤芯”。D值根据设备具体选用的元件及测试确定，在设备出厂前调试完毕设定数据。
在本实施例中，第一监测系统还包括第一温度检测件，第一温度检测件设置在注入泵的泄油口处，第一温度检测件用于检测注入泵的泄油口处的温度并将检测到的信号发送至控制系统；当第一温度检测件检测到的温度大于或等于第一预设温度时，控制系统发出第四指令信息，具体地，第四指令信息为“停机检查”的指令；当第一温度检测件检测到的温度大于或等于第二预设温度值且小于第一预设温度值时，控制系统发出第五指令信息，具体地，第五指令信息为“注入泵损坏”的指令；其中，第一预设温度大于第二预设温度。采用这样的设置，能够便于通过对温度值的检测快速判断注入泵的工作情况，并根据具体地工作情况发出相应的指令，以便于进行故障排查。
具体地，注入泵的温度监测过程为：由安装在注入泵泄油口的温度传感器01-2(即为第一温度检测件)测量数据传入控制系统，当此数值高于E(第一预设温度)时，显示屏弹窗提示“注入泵温度过高，请停机检查”。当温度处于F(第二预设温度)和E之间时，系统判定注入泵高温，显示屏弹窗提示“注入泵损坏”。链接油温报警，为油温报警提供判断参数。E、F值根据设备具体选用的元件及测试确定，在设备出厂前调试完毕设定数据。
在本实施例中，第一监测系统还包括负压传感器，负压传感器设置在注入泵的吸油口处，负压传感器用于检测注入泵吸油口处的吸油压力并将检测到的信号发送至控制系统；当负压传感器检测到的压力值小于或等于第四预设压力值时，控制系统发出第六指令信息，具体地，第六指令信息为“检测吸油蝶阀是否打开”的指令；当负压传感器检测到的压力值大于第四预设压力值且小于第五预设压力值时，判断负压传感器检测到的压力值与第六预设压力值的大小情况；当负压传感器检测到的压力值小于第六预设压力值时，控制系统发出第七指令信息，具体地，第七指令信息为“建议加热液压油”的指令；当负压传感器检测到的压力值大于或等于第六预设压力值时，控制系统发出第八指令信息，具体地，第八指令信息为“请更换吸油滤芯”的指令；其中，第四预设压力值小于第五预设压力值，第六预设压力值大于第四预设压力值。采用这样的设置，能够便于根据负压情况进行对应的提示操作，便于进行故障排除以及相应的操作。
具体地，注入泵吸油压力监测过程为：由安装在注入泵吸油口的负压传感器03-1测量数据并传入控制系统，当此数值小于G(第四预设压力值)时，显示屏弹窗提示“请检查吸油蝶阀是否打开”。当此数值大于G小于H(第五预设压力值)，当油温低于J值时，判定因液压油温低，吸油阻力大，显示屏弹窗提示“建议加热液压油”；当油温高于J(第六预设压力 值)值，系统判定吸油过滤器堵塞，显示屏弹窗提示“请更换吸油滤芯”。G、H、J值根据设备具体选用的元件及测试确定，在设备出厂前调试完毕设定数据。
在本实施例中，第一监测系统还包括第二压力传感器(即为压力传感器03-5)，第二压力传感器设置在注入泵的第一连通口和第二连通口之间的梭阀上，第二压力传感器用于检测梭阀的压力大小并将检测到的信号发送至控制系统。采用这样的设置，能够便于对锁阀的压力大小进行监测，便于进行故障排查和维修操作。
具体地，上述过程对应为注入头驱动压力监测过程，具体为：由注入泵M1口(第一连通口)和M2口(第二连通口)之间梭阀2口的压力传感器测量数据并传入控制系统，进行记录。
在本实施例中，液压油温传感器01-1用于检测液压油箱的温度，温度传感器01-2(即第一温度检测件)用于检测注入泵泄油口处的温度，温度传感器01-3用于检测第一马达的泄油口处的温度(即第二温度检测件)，温度传感器01-4用于检测第二马达的泄油口处的温度。液位传感器02用于检测液压油箱的液位。负压传感器03-1设置在注入头吸油口，压力传感器03-2设置在注入泵的M4口，压力传感器03-3设置在注入泵的M5口处，压力传感器03-4设置在注入泵的M3口处，压力传感器03-5设置在注入泵的M1口和M2口之间的梭阀2口处，压力传感器03-6设置在注入头马达的X口处。压差发讯器04-1设置在注入泵灌注过滤器处，压差发讯器04-2设置在注入泵的第一高压过滤器处，压差发讯器04-3设置在注入泵第二高压过滤器处，压差发讯器04-4设置在第一注入头过滤器处，压差发讯器04-5设置在第二注入头过滤器处。颗粒度监测仪05设置在回油管汇处。流量计06-1设置在第一马达的A口处，流量计06-2设置在第一马达的B口处，流量计06-3设置在第二马达的A口处，流量计06-4设置在第二马达的B口处。转速传感器07-1设置在第一马达对应的链轮处，转速传感器07-2设置在第二马达对应的链轮处。
在本实施例中，注入头马达包括第一马达和第二马达；第一监测系统还包括：第三压力传感器和第四压力传感器，第三压力传感器(即为压力传感器03-2)设置在注入泵的第四连通口(即为M4口)处，第三压力传感器用于检测第四连通口处的压力并将信号传送至控制系统；第四压力传感器设置在注入泵的第五连通口处，第四压力传感器(即为压力传感器03-3)用于检测第五连通口(即为M5口)处的压力并将信号传送至控制系统；第二监测系统还包括：第一流量传感器、第二流量传感器、第三流量传感器和第四流量传感器，第一流量传感器(即为流量计06-1)和第二流量传感器(即为流量计06-2)用于检测第一马达的两个连通口(即为第一马达的A口和第一马达的B口)处的流量并分别将检测到的信号传递至控制系统；第三流量传感器(即为流量计06-3)和第四流量传感器(即为流量计06-4)用于检测第二马达的两个连通口(即为第二马达的A口和第二马达的B口)处的流量并分别将检测到的信号传递至控制系统；其中，控制系统根据第三压力传感器、第四压力传感器、第一流量传感器、第二流量传感器、第三流量传感器和第四流量传感器检测到的信号对注入泵的容积效率进行监测；当注入泵的容积效率小于预设的容积效率时，控制系统发出第九指令信息，具体地，第九指令信息为“注入泵更换”的指令。采用这样的设置，能够便于通过控制系统对注入泵的容积效率进行监测，并根据监测结果进行对应的故障判断和维修。
具体地，控制系统根据第三压力传感器检测到的信号和第四压力传感器检测到的信号判断注入泵的回路状态并计算注入泵的理论排量；控制系统根据注入泵的回路状态、第一流量传感器检测到的信号、第二流量传感器检测到的信号、第三流量传感器检测到的信号和第四流量传感器检测到的信号计算注入泵的实际流量；控制系统根据发动机的转速、取力器速比以及分动箱速比计算注入泵的转速；当注入泵的回路状态为出井状态时，控制系统根据注入泵的出井流量、注入泵的转速、注入泵的实际流量以及注入泵的理论排量计算注入泵的容积效率；当注入泵的回路状态为进井状态时，控制系统根据注入泵的进井流量、注入泵的转速、注入泵的实际流量以及注入泵的理论排量计算注入泵的容积效率。采用这样的设置，能够便于提高注入泵的容积效率的计算准确性。
具体地，上述过程对应为注入泵容积效率监测过程，具体步骤如下：由安装在注入泵M4口的压力传感器03-2、M5口的压力传感器03-3，安装在第一马达的A口、第一马达的B口、第二马达的A口、第二马达的B口的流量传感器及结合发动机转速等共同完成。
第一步：根据M5口处的压力传感器03-3数值减M4口压力传感器03-2的数值判断注入泵回路的状态，当为正值时是出井，当为负值时是进井。
第二步：根据M4、M5口压力传感器数值计算注入泵的排量。其公式如下：
Figure PCTCN2022122779-appb-000001
式中M5、M4数值由传感器测量而来，250、P 伺服控制初始值、ΔP 伺服控制均由系统元件配置决定。
第三步：计算注入泵实际输出流量。当出井状态时，注入泵实际输出流量等于第一马达的A口与第一马达的B口的流量传感器数值相加；当进井状态时，注入泵实际输出流量等于第二马达的B口与第二马达的A口的流量传感器数值相加；
第四步：计算注入泵的转速。其数值等于发动机转速、取力器速比和分动箱速比的乘积，其中发动机转速由发动机本身的传感器提供，取力器速比和分动箱速比由系统配置决定，在设备测试前进行写入。
第五步：计算注入泵的容积效率。
注入泵的容积效率等于泵的实际输出流量和理论输出流量相比。
当注入泵是出井状态时容积效率η V的计算公式如下：
η V＝1000×Q 泵出井/n 泵转速V 泵出井；
其中，Q 泵出井为注入泵出井的流量，n 泵转速为注入泵的转速，V 泵出井为注入泵出井的排量；
当注入泵是进井状态时溶剂效率η V的计算公式如下：
η V＝1000×Q 泵进井/n 泵转速V 泵进井；
其中，Q 泵进井为注入泵进井的流量，n 泵转速为注入泵的转速，V 泵进井为注入泵进井的排量；
当计算得到的溶剂效率η V小于J(预设的容积效率)时，系统判定注入泵效率低，显示屏弹窗提示“请对注入泵进行更换”。具体地，J值根据设备具体选用的元件及测试确定，在设备出厂前调试完毕设定数据。
在本实施例中，第二监测系统还包括第二温度检测件，第二温度检测件设置在注入头马达的泄油口处，第二温度检测件用于检测注入头马达的泄油口处的温度值并将信号传递至控制系统；当第二温度检测件检测到的温度值大于第三预设温度值时，控制系统发出第十指令信息，具体地，第十指令信息为“注入头马达损坏”的指令。采用这样的设置，能够便于对注入头马达进行故障排查和提示。
具体地，上述过程对应为注入头马达温度监测过程，具体过程为：由安装在第一马达的卸油口(第一马达的泄油口为第一马达的L口)处、第二马达的卸油口(第二马达的泄油口为第二马达的L口)处的温度传感器测量数据传入控制系统。
当第一马达处的测得的温度数值大于K数值(第三预设温度值)时，系统判定第一马达损坏，显示屏弹窗提示“注入头马达损坏将检查”。同时连接油温高、注入头转速报警，为其提供判断参数。当第二马达处的测得的温度数值大于K数值(第三预设温度值)时，系统判定第二马达损坏，显示屏弹窗提示“注入头马达损坏将检查”。同时连接油温高、注入头转速报警，为其提供判断参数。K值根据设备具体选用的元件及测试确定，在设备出厂前调试完毕设定数据。
在本实施例中，第二监测系统还包括转速传感器，转速传感器设置在注入头马达的链轮处，转速传感器用于检测链轮的转速并将信号传递至控制系统；控制系统根据转速传感器检测到的转速值以及减速机的速比计算注入头的转速；当注入头的转速大于预设转速时，控制系统发出第十一指令信息，具体地，第十一指令信息为“注入头转速超速”的指令。采用这样的设置，能够便于对注入头的转速进行监测，并便于进行适应性的调节。
具体地，上述过程对应为注入头马达转速监测过程，具体过程为：由安装在第一马达对应链轮的转速传感器测量数据以及第二马达对应链轮的转速传感器测量数据并传入系统，结合注入头马达固有的减速机速比进行计算(其中，第一马达对应与第一减速机连接，第二马达对应与第二减速机连接)。其速度等于链轮转速和减速机速比的乘积，当其数值高于L值(预设转速值)时，系统判定注入头马达超速，显示屏弹窗提示“请降低注入头转速”。同时记录转速数值及判定进出井状态，当传感器数值是正值是进井状态、当是负值时是出井状态。L值根据设备具体选用的元件及测试确定，在设备出厂前调试完毕设定数据。
在本实施例中，第二监测系统还包括第五压力传感器，第五压力传感器设置在注入头马达的切换连通口处，第五压力传感器用于检测注入头马达的切换连通口处的压力值并将信号传送至控制系统；当第五压力传感器检测到的压力值大于或等于第七预设压力值且小于或等于第八预设压力值时，控制系统根据第五压力传感器检测到的压力值计算注入头马达的排量；当第五压力传感器检测到的压力值大于第八预设压力值时，控制系统根据第八预设压力值计算注入头马达的排量。采用这样的设置，能够便于对注入头马达的排量进行监测，以便于进行故障排查和后续维修操作。
具体地，注入头马达排量监测过程为：由安装在注入头马达X口(即为注入头马达的切换连通口，注入头马达的切换连通口用于控制流进和流出方向的切换)的压力传感器测量数据并传入系统，在该数值大于或等于116(此处对应为第七预设压力值)时开始计算当大于203(此处对应为第八预设压力值)时取其值为203。116、203、90、87、45数值适合林德HMV135系列马达。根据设备具体选用的元件此数值根据厂家样本可以变动，现在的在设备出厂前调试完毕设定数据。对于第一马达而言，由安装在第一马达的X口处的压力传感器进行检测并传入控制系统中；对于第二马达而言，由安装在第二马达的X口处的压力传感器进行检测并传入控制系统中。
具体地，注入头马达包括第一马达和第二马达；第二监测系统还包括：第一流量传感器、第二流量传感器、第三流量传感器和第四流量传感器，第一流量传感器和第二流量传感器用于检测第一马达的两个连通口处的流量并分别将检测到的信号传递至控制系统；第三流量传感器和第四流量传感器用于检测第二马达的两个连通口处的流量并分别将检测到的信号传递至控制系统；控制系统以第一马达的入口的流量为第一理论流量、以第一马达的出口的流量为第一实际流量计算第一马达的容积效率；或者，控制系统以第一马达的转速和第一马达的排量计算得到第一理论流量，控制系统根据第一马达的进出井状态以及第一流量传感器、第二流量传感器、第三流量传感器和第三流量传感器检测到的数据得到第一实际流量，控制系统根据第一理论流量和第一实际流量计算第一马达的容积效率；和/或，控制系统以第二马达的入口的流量为第二理论流量、以第二马达的出口的流量为第二实际流量计算第二马达的容积效率；或者，控制系统以第二马达的转速和第二马达的排量计算得到第二理论流量，控制系统根据第二马达的进出井状态以及第一流量传感器、第二流量传感器、第三流量传感器和第三流量传感器检测到的数据得到第二实际流量，控制系统根据第二理论流量和第二实际流量计算第一马达的容积效率。采用上述两种方式，均能够便于对第一马达的容积效率进行准确的计算，进而便于对第一马达和第二马达进行监控。
在本实施例中，当计算得到的第一马达的容积效率低于预设容积效率值时，控制系统发出第十二指令信息，具体地，第十二指令信息为“第一马达效率低”的指令；和/或，当计算得到的第二马达的容积效率低于预设容积效率值时，控制系统发出第十三指令信息，具体地，第十三指令信息为“第二马达效率低”的指令。采用这样的设置，能够便于根据对第一马达和第二马达的监控对第一马达的效率和第二马达的效率进行判断，便于进行故障排查和后续维修。
具体地，上述过程对应为注入头马达容积效率监测过程，具体过程为：由注入头马达排量监测数值、注入头马达转速监测数值和第一马达的A口、第二马达的B口、第一马达的A口、第二马达的B口的流量传感器数值共同完成。马达容积效率等于马达理论流量与马达实际流量相除，对于马达理论流量可以用马达转速与马达排量相乘，也可以用马达入口流量传感器测量。因此注入头马达容积效率计算有两种方式。具体地，当第一马达的A口作为入口流入时，第一马达的B口作为出口流出；当第一马达的B口作为入口流入时，第一马达的A口作为出口流出。当第二马达的A口作为入口流入时，第二马达的B口作为出口流出；当第二马达的B口作为入口流入时，第二马达的A口作为出口流出。
注入头马达容积效率计算方式一：使用马达入口处流量传感器数值为马达理论流量，马达出口处传感器测量值为实际流量，结合注入头马达转速监测环节判断出的进出井状态进行计算。当马达计算结果小于N时，系统判定马达容积效率低，显示屏弹窗提示“注入头马达效率低”。
马达容积效率计算方式二：用马达转速与马达排量相乘作为马达理论流量。结合注入头马达转速监测环节判断出的进出井状态，当进井状态时，第一马达的B口，第二马达的A口流量传感器测量的数值是其对应的理论流量；当出井状态时，第一马达的A口，第二马达的B口流量传感器测量的数值是其对应的理论流量。马达容积效率η 那大容积的计算公式如下：
Figure PCTCN2022122779-appb-000002
其中，V 马达排量为马达排量，n 马达转速为马达转速，Q 马达实际流量为马达的实际流量。当马达为第一马达时将第一马达的相应的数据代入进行计算；当马达为第二马达时，将第二马达的相应的数据代入进行计算。
在本实施例中，第二监测系统还包括：第一注入头过滤器和第二注入头过滤器。其中，第一注入头过滤器的监测过程为：由安装在第一注入头过滤器上的压差发讯器04-4测量，当过滤器压差发讯器有电信号传入控制系统，且此时液压油温传感器01-1数值大于D，显示屏弹窗提示“第一注入头过滤器堵塞，请更换滤芯”。D值根据设备具体选用的元件及测试确定，在设备出厂前调试完毕设定数据。第二注入头过滤器的监测过程为：由安装在注入头过滤器上的压差发讯器04-5测量，当第二注入头过滤器压差发讯器有电信号传入控制系统，且此时液压油温传感器01-1数值大于D，显示屏弹窗提示“第二注入头过滤器堵塞，请更换滤芯”。D值根据设备具体选用的元件及测试确定，在设备出厂前调试完毕设定数据。
在本实施例中，液压监控系统还包括第三监测系统，第三监测系统用于对油箱的工作情况进行监测，以使控制系统根据第三监测系统检测到的信号发出相应的指令。
具体地，第三监测系统包括第三温度传感器，具体地液压油温监测过程为：由安装在油箱上的第三温度传感器的测量数据传入控制系统，数据供其他环节判断使用。
在本实施例中，第三监测系统还包括液位传感器，油箱液位监测过程为：由安装在油箱上的液位传感器测量数据传入控制系统，当数值低于A数值时，显示屏弹窗提示“液位低，请加注液压油”。A值根据设备具体配置及测试确定，在设备出厂前调试完毕设定数据。
需要说明的是，本实施中的注入泵的A口和注入泵的B口中一个为流入口、另一个为流出口，注入泵的A口若为流入口则注入泵的B口为流出口，注入泵的B口若为流入口则注入泵的A口为流出口。第一马达的A口和第一马达的B口中一个为流入口、另一个为流出口，第一马达的A口若为流入口则第一马达的B口为流出口，第一马达的B口若为流入口则第一马达的A口为流出口。注入泵中的L1口为上部泄油口，L2为下部泄油口，X1和X2用于控制A口和B口的流入和流出方向是否进行切换，M1口用于测量A口处的数据，M2口用于测量B口处的数据，M3口和M6口均与补油泵通路连接口，M4口和M5口用于均为向注入泵内流入方向的了连通口以控制注入泵的排量。第一马达的L口为第一马达的泄油口，第二马达的L口为第二马达的泄油口。
在本实施例中，液压监控系统还包括刹车阀、蝶阀、梭阀、颗粒度检测仪和冲洗阀。
从以上的描述中，可以看出，本申请上述的实施例实现了如下技术效果：通过在注入头原有配置上增加流量传感器、压力传感器、温度传感器、转速传感器等读取设备参数。通过在连续油管作业车上配置压力传感器、温度传感器、颗粒度监测仪等器件结合连续油管作业机上的电气控制显示等器件向使用者展示注入头的状态，并在设备作业出现异常及需要维护保养时进行提醒。提高了设备的可靠性，便于使用者了解设备液压系统状态。
需要注意的是，这里所使用的术语仅是为了描述具体实施方式，而非意图限制根据本申请的示例性实施方式。如在这里所使用的，除非上下文另外明确指出，否则单数形式也意图包括复数形式，此外，还应当理解的是，当在本说明书中使用术语“包含”和/或“包括”时，其指明存在特征、步骤、操作、器件、组件和/或它们的组合。
除非另外具体说明，否则在这些实施例中阐述的部件和步骤的相对布置、数字表达式和数值不限制本申请的范围。同时，应当明白，为了便于描述，附图中所示出的各个部分的尺寸并不是按照实际的比例关系绘制的。对于相关领域普通技术人员已知的技术、方法和设备可能不作详细讨论，但在适当情况下，所述技术、方法和设备应当被视为授权说明书的一部分。在这里示出和讨论的所有示例中，任何具体值应被解释为仅仅是示例性的，而不是作为限制。因此，示例性实施例的其它示例可以具有不同的值。应注意到：相似的标号和字母在下面的附图中表示类似项，因此，一旦某一项在一个附图中被定义，则在随后的附图中不需要对其进行进一步讨论。
在本申请的描述中，需要理解的是，方位词如“前、后、上、下、左、右”、“横向、竖向、垂直、水平”和“顶、底”等所指示的方位或位置关系通常是基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，在未作相反说明的情况下，这些方位词并不指示和暗示所指的装置或元件必须具有特定的方位或者以特定的方位构造和操作，因此不能理解为对本申请保护范围的限制；方位词“内、外”是指相对于各部件本身的轮廓的内外。
为了便于描述，在这里可以使用空间相对术语，如“在……之上”、“在……上方”、“在……上表面”、“上面的”等，用来描述如在图中所示的一个器件或特征与其他器件或特征的空间位置关系。应当理解的是，空间相对术语旨在包含除了器件在图中所描述的方位之外的在使用或操作中的不同方位。例如，如果附图中的器件被倒置，则描述为“在其他器件或构造上方”或“在其他器件或构造之上”的器件之后将被定位为“在其他器件或构造下方”或“在其他器件或构造之下”。因而，示例性术语“在……上方”可以包括“在……上方”和“在……下方”两种方位。该器件也可以其他不同方式定位(旋转90度或处于其他方位)，并且对这里所使用的空间相对描述作出相应解释。
此外，需要说明的是，使用“第一”、“第二”等词语来限定零部件，仅仅是为了便于对相应零部件进行区别，如没有另行声明，上述词语并没有特殊含义，因此不能理解为对本申请保护范围的限制。
以上所述仅为本申请的优选实施例而已，并不用于限制本申请，对于本领域的技术人员来说，本申请可以有各种更改和变化。凡在本申请的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本申请的保护范围之内。

Claims (14)

  1. 一种液压监控系统，其特征在于，包括：
    注入泵、注入头马达和油箱，所述注入泵和所述油箱连接，所述注入头马达和所述注入泵连接；
    第一监测系统和/或第二监测系统，所述第一监测系统用于对所述注入泵的工作情况进行监测，所述第二监测系统用于对所述注入头马达的工作情况进行监测；
    控制系统，所述第一监测系统和/或所述第二监测系统均与所述控制系统连接，以使所述控制系统根据所述第一监测系统和/或所述第二监测系统监测到的信号发出相应的提示指令。
  2. 根据权利要求1所述的液压监控系统，其特征在于，所述第一监测系统包括：
    第一压力传感器，所述第一压力传感器用于检测补油口处的压力并将检测到的信号发送至所述控制系统；
    当所述第一压力传感器检测到的压力值小于第一预设压力值时，所述控制系统发出第一指令信息；当所述第一压力传感器检测到的压力值大于或等于第一预设压力值且小于第二预设压力值时，所述控制系统发出第二指令信息。
  3. 根据权利要求1所述的液压监控系统，其特征在于，所述液压监控系统还包括第一过滤器，所述第一过滤器与所述注入泵连接；所述第一监测系统还包括：
    第一压差发讯器，与所述第一过滤器连接，用于检测所述第一过滤器的压差信号并将检测到的信号发送至所述控制系统；
    当所述第一压差发讯器检测到的压差讯号大于第三预设压力值时，所述控制系统发出第三指令信息。
  4. 根据权利要求1所述的液压监控系统，其特征在于，所述第一监测系统还包括：
    第一温度检测件，设置在所述注入泵的泄油口处，用于检测所述注入泵的泄油口处的温度并将检测到的信号发送至所述控制系统；
    当所述第一温度检测件检测到的温度大于或等于第一预设温度时，所述控制系统发出第四指令信息；当所述第一温度检测件检测到的温度大于或等于第二预设温度值且小于第一预设温度值时，所述控制系统发出第五指令信息。
  5. 根据权利要求1所述的液压监控系统，其特征在于，所述第一监测系统还包括：
    负压传感器，设置在所述注入泵的吸油口处，用于检测所述注入泵的吸油口处的吸油压力并将检测到的信号发送至所述控制系统；
    当所述负压传感器检测到的压力值小于或等于第四预设压力值时，所述控制系统发出第六指令信息；
    当所述负压传感器检测到的压力值大于所述第四预设压力值且小于第五预设压力值时，判断所述负压传感器检测到的压力值与第六预设压力值的大小情况；
    当所述负压传感器检测到的压力值小于第六预设压力值时，所述控制系统发出第七指令信息；当所述负压传感器检测到的压力值大于或等于第六预设压力值时，所述控制系统发出第八指令信息。
  6. 根据权利要求1所述的液压监控系统，其特征在于，所述第一监测系统还包括：
    第二压力传感器，设置在所述注入泵的第一连通口和第二连通口之间的梭阀上，所述第二压力传感器用于检测所述梭阀的压力大小并将检测到的信号发送至所述控制系统。
  7. 根据权利要求1所述的液压监控系统，其特征在于，所述注入头马达包括第一马达和第二马达；
    所述第一监测系统还包括：第三压力传感器和第四压力传感器，所述第三压力传感器设置在所述注入泵的第四连通口处，所述第三压力传感器用于检测所述第四连通口处的压力并将信号传送至所述控制系统；所述第四压力传感器设置在所述注入泵的第五连通口处，所述第四压力传感器用于检测所述第五连通口处的压力并将信号传送至所述控制系统；
    所述第二监测系统还包括：第一流量传感器、第二流量传感器、第三流量传感器和第四流量传感器，所述第一流量传感器和所述第二流量传感器用于检测所述第一马达的两个连通口处的流量并分别将检测到的信号传递至所述控制系统；所述第三流量传感器和所述第四流量传感器用于检测所述第二马达的两个连通口处的流量并分别将检测到的信号传递至所述控制系统；
    其中，所述控制系统根据所述第三压力传感器、所述第四压力传感器、所述第一流量传感器、所述第二流量传感器、所述第三流量传感器和所述第四流量传感器检测到的信号对所述注入泵的容积效率进行监测；当所述注入泵的容积效率小于预设的容积效率时，所述控制系统发出第九指令信息。
  8. 根据权利要求7所述的液压监控系统，其特征在于，
    所述控制系统根据所述第三压力传感器检测到的信号和所述第四压力传感器检测到的信号判断所述注入泵的回路状态并计算所述注入泵的理论排量；
    所述控制系统根据所述注入泵的回路状态、所述第一流量传感器检测到的信号、所述第二流量传感器检测到的信号、所述第三流量传感器检测到的信号和所述第四流量传感器检测到的信号计算所述注入泵的实际流量；
    所述控制系统根据发动机的转速、取力器速比以及分动箱速比计算所述注入泵的转速；
    当所述注入泵的回路状态为出井状态时，所述控制系统根据所述注入泵的出井流量、所述注入泵的转速、所述注入泵的实际流量以及所述注入泵的理论排量计算所述注入泵的容积效率；当所述注入泵的回路状态为进井状态时，所述控制系统根据所述注入泵的进井流量、所述注入泵的转速、所述注入泵的实际流量以及所述注入泵的理论排量计算所述注入泵的容积效率。
  9. 根据权利要求1所述的液压监控系统，其特征在于，所述第二监测系统还包括：
    第二温度检测件，设置在所述注入头马达的泄油口处，所述第二温度检测件用于检测所述注入头马达的泄油口处的温度值并将信号传递至所述控制系统；
    当所述第二温度检测件检测到的温度值大于第三预设温度值时，所述控制系统发出第十指令信息。
  10. 根据权利要求1所述的液压监控系统，其特征在于，所述第二监测系统还包括：
    转速传感器，设置在所述注入头马达的链轮处，所述转速传感器用于检测所述链轮的转速并将信号传递至所述控制系统；
    所述控制系统根据所述转速传感器检测到的转速值以及减速机的速比计算所述注入头的转速；当所述注入头的转速大于预设转速时，所述控制系统发出第十一指令信息。
  11. 根据权利要求1所述的液压监控系统，其特征在于，所述第二监测系统还包括：
    第五压力传感器，设置在所述注入头马达的切换连通口处，所述第五压力传感器用于检测所述注入头马达的切换连通口处的压力值并将信号传送至所述控制系统；
    当所述第五压力传感器检测到的压力值大于或等于第七预设压力值且小于或等于第八预设压力值时，所述控制系统根据所述第五压力传感器检测到的压力值计算所述注入头马达的排量；当所述第五压力传感器检测到的压力值大于所述第八预设压力值时，所述控制系统根据所述第八预设压力值计算所述注入头马达的排量。
  12. 根据权利要求1所述的液压监控系统，其特征在于，所述注入头马达包括第一马达和第二马达；所述第二监测系统还包括：第一流量传感器、第二流量传感器、第三流量传感器和第四流量传感器，所述第一流量传感器和所述第二流量传感器用于检测所述第一马达的两个连通口处的流量并分别将检测到的信号传递至所述控制系统；所述第三流量传感器和所述第四流量传感器用于检测所述第二马达的两个连通口处的流量并分别将检测到的信号传递至所述控制系统；
    所述控制系统以所述第一马达的入口的流量为第一理论流量、以所述第一马达的出口的流量为第一实际流量计算所述第一马达的容积效率；或者，所述控制系统以所述第一马达的转速和所述第一马达的排量计算得到第一理论流量，所述控制系统根据所述第一马达的进出井状态以及所述第一流量传感器、所述第二流量传感器、所述第三流量传感器和所述第三流量传感器检测到的数据得到第一实际流量，所述控制系统根据所述第 一理论流量和所述第一实际流量计算所述第一马达的容积效率；和/或，
    所述控制系统以所述第二马达的入口的流量为第二理论流量、以所述第二马达的出口的流量为第二实际流量计算所述第二马达的容积效率；或者，所述控制系统以所述第二马达的转速和所述第二马达的排量计算得到第二理论流量，所述控制系统根据所述第二马达的进出井状态以及所述第一流量传感器、所述第二流量传感器、所述第三流量传感器和所述第三流量传感器检测到的数据得到第二实际流量，所述控制系统根据所述第二理论流量和所述第二实际流量计算所述第一马达的容积效率。
  13. 根据权利要求12所述的液压监控系统，其特征在于，
    当计算得到的所述第一马达的容积效率低于预设容积效率值时，所述控制系统发出第十二指令信息；和/或，
    当计算得到的所述第二马达的容积效率低于预设容积效率值时，所述控制系统发出第十三指令信息。
  14. 根据权利要求1所述的液压监控系统，其特征在于，所述液压监控系统还包括：
    第三监测系统，所述第三监测系统用于对所述油箱的工作情况进行监测，以使所述控制系统根据所述第三监测系统检测到的信号发出相应的指令。
PCT/CN2022/122779 2022-07-15 2022-09-29 液压监控系统 WO2024011762A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210832150.3A CN115234543B (zh) 2022-07-15 2022-07-15 液压监控系统
CN202210832150.3 2022-07-15

Publications (1)

Publication Number Publication Date
WO2024011762A1 true WO2024011762A1 (zh) 2024-01-18

Family

ID=83672827

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2022/122779 WO2024011762A1 (zh) 2022-07-15 2022-09-29 液压监控系统

Country Status (2)

Country Link
CN (1) CN115234543B (zh)
WO (1) WO2024011762A1 (zh)

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5983813A (ja) * 1982-11-02 1984-05-15 Hitachi Constr Mach Co Ltd 油圧機器の故障診断装置
US20030146845A1 (en) * 2002-02-07 2003-08-07 Komatsu Ltd. Failure diagnostic apparatus for hydraulic equipment
CN106662131A (zh) * 2014-10-02 2017-05-10 日立建机株式会社 作业机械的液压驱动系统
US20170226852A1 (en) * 2016-02-04 2017-08-10 Geoservices Equipements Method and system for monitoring the drilling of a wellbore
CN111022433A (zh) * 2019-12-20 2020-04-17 中煤科工集团西安研究院有限公司 一种煤矿井下钻机液压油在线监测与自动控制系统
US20200340504A1 (en) * 2019-04-23 2020-10-29 The Boeing Company Prediction of hydraulic pump health and failure
CN112204264A (zh) * 2018-06-08 2021-01-08 住友重机械建机起重机株式会社 施工机械
CN112343890A (zh) * 2019-08-09 2021-02-09 上海堃锐电力科技发展有限公司 一种液压系统在线监测系统
CN113494600A (zh) * 2021-07-26 2021-10-12 潍柴动力股份有限公司 一种异常诊断方法及装置
CN113803330A (zh) * 2021-09-26 2021-12-17 徐州徐工筑路机械有限公司 一种液压控制系统及铣刨机
US20220010820A1 (en) * 2019-02-08 2022-01-13 Kawasaki Jukogyo Kabushiki Kaisha Hydraulic drive system
CN114396415A (zh) * 2021-12-29 2022-04-26 湖南中联重科应急装备有限公司 用于液压故障自诊断的装置、方法及液压系统
CA3153870A1 (en) * 2021-06-02 2022-06-16 Airbus Helicopters Deutschland GmbH A failure detection apparatus for a hydraulic system
CN115095579A (zh) * 2022-07-15 2022-09-23 烟台杰瑞石油装备技术有限公司 一种液压系统的故障预警方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101266608B1 (ko) * 2010-08-13 2013-05-22 한성철 임베디드 제어기능을 갖춘 유체용 밸브 테스트 머신
US9623164B2 (en) * 2013-02-01 2017-04-18 Medtronic, Inc. Systems and methods for multifunctional volumetric fluid control
CN108457933B (zh) * 2018-04-18 2023-11-28 西南石油大学 一种页岩气井场安全控制系统适应性测试装置及方法
CN110500051A (zh) * 2019-08-21 2019-11-26 中国石油天然气集团有限公司 一种注入头夹持装置的控制系统及控制方法
CN114077772A (zh) * 2020-08-13 2022-02-22 潍坊嘉腾液压技术有限公司 一种智控液压系统及智控液压系统的功能回路仿真建模方法
CN112377487A (zh) * 2020-10-24 2021-02-19 济宁学院 一种液压综合试验平台

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5983813A (ja) * 1982-11-02 1984-05-15 Hitachi Constr Mach Co Ltd 油圧機器の故障診断装置
US20030146845A1 (en) * 2002-02-07 2003-08-07 Komatsu Ltd. Failure diagnostic apparatus for hydraulic equipment
CN106662131A (zh) * 2014-10-02 2017-05-10 日立建机株式会社 作业机械的液压驱动系统
US20170226852A1 (en) * 2016-02-04 2017-08-10 Geoservices Equipements Method and system for monitoring the drilling of a wellbore
CN112204264A (zh) * 2018-06-08 2021-01-08 住友重机械建机起重机株式会社 施工机械
US20220010820A1 (en) * 2019-02-08 2022-01-13 Kawasaki Jukogyo Kabushiki Kaisha Hydraulic drive system
US20200340504A1 (en) * 2019-04-23 2020-10-29 The Boeing Company Prediction of hydraulic pump health and failure
CN112343890A (zh) * 2019-08-09 2021-02-09 上海堃锐电力科技发展有限公司 一种液压系统在线监测系统
CN111022433A (zh) * 2019-12-20 2020-04-17 中煤科工集团西安研究院有限公司 一种煤矿井下钻机液压油在线监测与自动控制系统
CA3153870A1 (en) * 2021-06-02 2022-06-16 Airbus Helicopters Deutschland GmbH A failure detection apparatus for a hydraulic system
CN113494600A (zh) * 2021-07-26 2021-10-12 潍柴动力股份有限公司 一种异常诊断方法及装置
CN113803330A (zh) * 2021-09-26 2021-12-17 徐州徐工筑路机械有限公司 一种液压控制系统及铣刨机
CN114396415A (zh) * 2021-12-29 2022-04-26 湖南中联重科应急装备有限公司 用于液压故障自诊断的装置、方法及液压系统
CN115095579A (zh) * 2022-07-15 2022-09-23 烟台杰瑞石油装备技术有限公司 一种液压系统的故障预警方法

Also Published As

Publication number Publication date
CN115234543A (zh) 2022-10-25
CN115234543B (zh) 2024-08-13

Similar Documents

Publication Publication Date Title
TWI492014B (zh) And a method of detecting a flow abnormality when the flow rate is abnormally detected by the flow rate monitoring device and the fluid supply system using the flow control device
CN102654410B (zh) 基于差压的流量测量
JP5148634B2 (ja) 弁の自己漏洩の診断
CN109900468A (zh) 一种橡塑轴封性能监测与加速寿命试验平台及试验方法
CN108279625A (zh) 数字化层析系统及方法
CN101907541A (zh) 一种管道试压装置
WO2019235610A1 (ja) 建設機械
WO2024011762A1 (zh) 液压监控系统
CN203443623U (zh) 一体式流量表
CN113358334B (zh) 一种泵的性能测试系统及其测试方法
CN206495665U (zh) 一种天然气井工艺试验系统
KR101453616B1 (ko) 서보밸브의 정특성 진단장치
CN109209269B (zh) 一种井筒压力平衡固井的井口压力控制系统及方法
CN107973230B (zh) 一种起重机全工况油耗监测系统及方法
CN106052018A (zh) 中央空调冷却水加药运维控制系统及其控制方法
CN207795494U (zh) 一种速凝剂泵送系统以及速凝剂加注设备
CN112504349B (zh) 一种管道智能封堵机器人试验系统及方法
CN103629190B (zh) 一种平衡阀不匹配导致负载抖动的测量方法及装置
CN107271163A (zh) 用于冷却器的本地诊断和验证系统及方法
CN201637566U (zh) 减压阀调压特性测试系统
CN208443435U (zh) 一种石油开采数据传输系统
CN108490870B (zh) 一种智能型消防运转实验台及其实施监控的方法
CN206111523U (zh) 双联液压泵试验台
CN108661109A (zh) 一种挖掘机工作状态监测方法
CN210460613U (zh) 一种大量程孔板流量计配水器

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22950872

Country of ref document: EP

Kind code of ref document: A1