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WO2018040460A9 - Electric serving ultra-high-pressure system and operation principle thereof - Google Patents

Electric serving ultra-high-pressure system and operation principle thereof Download PDF

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Publication number
WO2018040460A9
WO2018040460A9 PCT/CN2017/000647 CN2017000647W WO2018040460A9 WO 2018040460 A9 WO2018040460 A9 WO 2018040460A9 CN 2017000647 W CN2017000647 W CN 2017000647W WO 2018040460 A9 WO2018040460 A9 WO 2018040460A9
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Prior art keywords
oil
pressure
water
servo
valve
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Ceased
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PCT/CN2017/000647
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French (fr)
Chinese (zh)
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WO2018040460A1 (en
Inventor
陈波
赵红军
蒋镇汉
周彬
孔志翔
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    • 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
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/04—Special measures taken in connection with the properties of the fluid
    • 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
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/08—Servomotor systems incorporating electrically operated control means
    • 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
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/04—Special measures taken in connection with the properties of the fluid
    • F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
    • 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
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/04—Special measures taken in connection with the properties of the fluid
    • F15B21/042—Controlling the temperature of the fluid
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/25—Pressure control functions

Definitions

  • the invention relates to an electric servo ultra-high voltage system and an operating principle thereof, and belongs to the field of electric servo ultra-high voltage systems.
  • the oil pump motor group in the common ultra-high pressure system in China adopts the three-phase asynchronous motor to drive the common oil pump.
  • This form of structure and control is simple, but the speed and oil output are constant, and when the pressure is fluctuating in the commutation direction The pressure loss can not be effectively compensated.
  • the common oil pump motor unit uses a three-phase asynchronous motor to drive the constant pressure piston pump. Although the pressure is adjusted by the hydraulic pump at the control port of the plunger pump, the compensation portion can be compensated. Pressure loss. It is better than ordinary oil pump, but there is still a certain gap than the ideal pressure fluctuation value requirement.
  • the invention provides an electric servo ultra-high pressure system and an operating principle thereof, and adopts a servo motor to drive an oil pump to reduce the pressure fluctuation generated when the supercharger is commutating, so that the output pressure value of the high-pressure water is more stable and improved.
  • the quality of the workpiece cut and the cutting speed is more stable and improved.
  • An electric servo ultra-high pressure system comprises an oil pump motor unit mounted on a frame, a fuel tank, a supercharger, an oil cooling device and a water filtering and pressing device, wherein the oil pump motor group comprises a servo motor and an oil pump, and the oil pump passes the servo The function of the motor sucks the hydraulic oil from the oil tank, inputs the hydraulic oil from one side of the pressure cylinder, drives the piston to move, the piston drives the piston rod to move, the piston rod pressurizes the water in the high pressure cylinder, and the hydraulic oil is from the low pressure. The other side of the cylinder is output and then flows back to the fuel tank.
  • the oil pump motor unit further includes a pressure sensor and a servo drive installed in the electric cabinet.
  • the pressure sensor is installed at the oil outlet of the oil pump for real-time monitoring of the oil of the system.
  • the servo drive is connected to the pressure sensor through a cable, and the signal detected by the pressure sensor is commanded to control the rotation speed of the servo motor;
  • the oil pump motor set further includes a rotary encoder, which forms a closed loop path with the oil pump, the servo motor, the servo drive, and the pressure sensor, and the oil pump is fixed by the pump bracket, wherein the servo drive preset pressure value
  • the pressure sensor performs real-time monitoring, and the servo driver controls the rotation speed of the servo motor through the signal detected by the pressure sensor;
  • the electric servo ultra-high voltage system further includes a programmable controller that controls the servo driver to perform a change setting of the pressure value;
  • the electric servo ultra-high pressure system includes an oil passage valve block respectively connected to the oil pump motor unit and the supercharger, and the oil passage valve block is provided with a pilot electromagnetic reversal a valve, an oil pressure sensor, a relief valve, a hydraulic pressure gauge and a check valve, wherein one end of the pilot electromagnetic reversing valve is in communication with the supercharger, one end of the one-way valve is in communication with the output end of the oil pump, and the relief valve is simultaneously Connected to the output of the oil pump;
  • the cooling device includes an oil cooling pump, an oil cooling motor, and an oil cooler
  • the electric servo ultrahigh pressure system further includes a temperature liquid level sensor, an oil filter, a temperature water quantity regulating valve, and an electromagnetic on-off valve. Air filter and level gauge.
  • the temperature liquid level sensor, the oil cooling pump, the oil filter and the liquid level meter are respectively connected with the oil tank, and the two ends of the oil cooler are respectively connected with the oil cooling pump and the oil filter, the oil cooler, the temperature water quantity regulating valve and the electromagnetic
  • the switching valve is connected in sequence, and the oil cooling pump is connected to the oil cooling motor;
  • the electric servo ultrahigh pressure system further includes a waterway valve block, a high pressure water accumulator, a pressure transmission, a safety relief valve, a ball valve, a water filter, and an electromagnetic on-off valve, a water relief valve,
  • the water pump, water pressure switch, primary water pressure gauge and secondary water pressure gauge are all connected to the waterway valve block.
  • the water overflow valve is installed in the waterway valve block, the water pump, the water pressure switch, the water filter and the electromagnetic switch valve are sequentially connected, and a first-stage water pressure gauge and a second-stage water pressure gauge are respectively connected on both sides of the water pump;
  • the water accumulator is connected to the supercharger, and the pressure transmitter and the safety relief valve are respectively connected with the high pressure water accumulator;
  • the preset pressure value is preset in the programmable controller, and the pressure sensor installed at the oil outlet of the oil pump monitors the oil pressure of the system in real time, and the servo drive is pre-set according to the preset
  • the pressure value is determined by the signal detected by the pressure sensor, and the electric signal is output in real time to control the rotation speed of the servo motor, thereby real-time control of the oil output of the oil pump.
  • the programmable controller can also be used to change the setting;
  • the oil pressure sensor, the temperature liquid level sensor and the pressure transmission disposed in the electric servo ultra-high pressure system respectively detect the oil pressure, the high pressure water pressure, the temperature and the liquid level of the hydraulic oil in the electric servo ultra-high pressure system, and pass the
  • the hydraulic equipment information terminal realizes the remote positioning and monitoring function;
  • the temperature water quantity regulating valve set in the electric servo ultra-high pressure system, and the temperature of the hydraulic oil is detected by the temperature sensing element installed in the oil tank to adjust the cooling water quantity required by the oil cooler , to ensure that the hydraulic oil is within the required operating temperature range;
  • the hydraulic oil flows back through the cooling device
  • the oil filter alarm signal to the programmable controller, this time for an oil filter for filter replacement.
  • the present invention has the following beneficial effects compared to the prior art:
  • the electric servo ultra-high pressure system of the invention reduces the pressure fluctuation caused by the commutation of the supercharger, makes the output pressure value of the high-pressure water more stable, and improves the quality and cutting of the workpiece cut. speed. Since the servo motor changes the rotational speed in real time according to the pressure fluctuation generated during the commutation, the oil output of the oil pump is adjusted in real time, and the partial pressure drop caused by the pressure fluctuation is compensated, and the fluctuation of the system pressure is controlled within a small range.
  • Figure 1 is a schematic view of an ultra high pressure system of a preferred embodiment of the present invention
  • Figure 2 is a front elevational view of a preferred embodiment of the present invention.
  • Figure 3 is a side elevational view of a preferred embodiment of the present invention.
  • FIG. 4 is a top plan view of a preferred embodiment of the present invention.
  • 1 is the frame
  • 2 is the oil pump
  • 3 is the pressure sensor
  • 4 is the pump bracket
  • 5 is the coupling
  • 6 is the servo motor
  • 7 is the electrical cabinet
  • 8 is the liquid level gauge
  • 9 is the water pump
  • 10 is Touch screen
  • 11 is the oil pressure gauge
  • 12 is the first stage water pressure gauge
  • 13 is the secondary water pressure gauge
  • 14 is the pilot type electromagnetic reversing valve
  • 15 is the supercharger
  • 16 is the pressure sensor
  • 17 is the water filter
  • 18 is oil cooling motor
  • 19 is oil cooling pump
  • 20 is oil cooler
  • 21 is temperature water quantity regulating valve
  • 22 is solenoid valve
  • 23 is safety relief valve
  • 24 is high pressure water accumulator
  • 25 is temperature level
  • the sensor, 26 is a fuel tank
  • 27 is an air cleaner
  • 28 is an oil passage valve block
  • 29 is an oil filter.
  • an electric servo ultra-high pressure system of the present invention comprises an oil pump motor unit mounted on a frame, a fuel tank, a supercharger, an oil cooling device and a water filtration pressurizing device, the oil pump
  • the motor group includes a servo motor and an oil pump.
  • the oil pump sucks the hydraulic oil from the oil tank through the action of the servo motor, inputs the hydraulic oil from one side of the low pressure cylinder, drives the piston to move, the piston drives the piston rod to move, and the piston rod is in the high pressure cylinder.
  • the water is pressurized, and the hydraulic oil is output from the other side of the low pressure cylinder and then flows back to the fuel tank.
  • the oil pump motor unit further includes a pressure sensor and a servo drive installed in the electric cabinet, and the pressure sensor is installed in the oil pump. At the mouth, it is used to monitor the oil pressure of the system in real time; the servo driver is connected to the pressure sensor through the cable, and the signal detected by the pressure sensor is issued to control the rotation speed of the servo motor;
  • the oil pump motor unit further includes a rotary encoder, which is combined with an oil pump, a servo motor, a servo drive, and a pressure sensor to form a closed loop circuit, and the oil pump is fixed by a pump bracket, wherein the servo drive preset pressure value
  • the pressure sensor performs real-time monitoring, and the servo driver controls the rotation speed of the servo motor through the signal detected by the pressure sensor;
  • the electric servo ultra-high voltage system further includes a programmable controller that controls the servo driver to perform a change setting of the pressure value;
  • the electric servo ultra-high pressure system further includes an oil passage valve block respectively connected to the oil pump motor unit and the supercharger, wherein the oil passage valve block is provided with a pilot electromagnetic reversal a valve, an oil pressure sensor, a relief valve, a hydraulic pressure gauge and a check valve, wherein one end of the pilot electromagnetic reversing valve is in communication with the supercharger, one end of the one-way valve is in communication with the output end of the oil pump, and the relief valve is simultaneously The output of the oil pump is connected:
  • the cooling device includes an oil cooling pump, an oil cooling motor, and an oil cooler
  • the electric servo ultrahigh pressure system further includes a temperature liquid level sensor, an oil filter, a temperature water quantity regulating valve, an electromagnetic switching valve, Air filter and level gauge.
  • the temperature liquid level sensor, the oil cooling pump, the oil filter and the liquid level meter are respectively connected with the oil tank, and the two ends of the oil cooler are respectively connected with the oil cooling pump and the oil filter, the oil cooler, the temperature water quantity regulating valve and the electromagnetic
  • the switching valve is connected in sequence, and the oil cooling pump is connected to the oil cooling motor;
  • the electric servo ultrahigh pressure system further includes a waterway valve block, a high pressure water accumulator, a pressure transmission, a safety relief valve, a ball valve, a water filter, and an electromagnetic on-off valve, a water relief valve
  • the water pump, the water pressure switch, the first water pressure gauge and the second water pressure gauge are connected to the waterway valve block, wherein the water overflow valve is installed in the waterway valve block, the water pump, the water pressure switch, the water filter and the electromagnetic switch
  • the valves are connected in sequence, and a water pressure gauge (showing the external water source pressure) and a secondary water pressure gauge (showing the water pressure after being pressurized by the water pump) are respectively connected on both sides of the water pump: the high pressure water accumulator is connected to the supercharger
  • the pressure transmitter and the safety relief valve are respectively connected with the high pressure water accumulator;
  • the preset pressure value is preset in the programmable controller, and the pressure sensor installed at the oil outlet of the oil pump monitors the oil pressure of the system in real time, and the servo drive is pre-set according to the preset
  • the pressure value is determined by the signal detected by the pressure sensor, and the electric signal is output in real time to control the rotation speed of the servo motor, thereby real-time control of the oil output of the oil pump.
  • the programmable controller can also be used to change the setting:
  • the oil pressure sensor, the temperature liquid level sensor and the pressure transmission disposed in the electric servo ultra-high pressure system respectively detect the oil pressure, the high pressure water pressure, the temperature and the liquid level of the hydraulic oil in the electric servo ultra-high pressure system, and pass the The water knife equipment information terminal realizes the remote positioning and monitoring function; the temperature water quantity regulating valve set in the electric servo ultra-high pressure system, and the temperature of the hydraulic oil is detected by the temperature sensing element installed in the oil tank to adjust the cooling required of the oil cooler The amount of water ensures that the hydraulic oil is within the required operating temperature range; the hydraulic oil flows back through the cooling device When carried through the oil tank filters, when impurities in the oil filter exceeds a threshold value which is set, the oil filter alarm signal to the programmable controller, this time for an oil filter for filter replacement.
  • the electric signal is output in real time, and the rotation speed of the servo motor is controlled, thereby controlling the oil output of the oil pump in real time, and ensuring that the electric servo super-high pressure system has a small oil pressure when the supercharger is commutating. fluctuation;
  • the pressure value is preset in the programmable controller. If the pressure value needs to be changed, the programmable controller can also be used to change the setting. After the setting, the pressure of the entire electric servo ultra-high pressure system is automatically adjusted.
  • the oil pressure sensor, the temperature liquid level sensor and the pressure transmission disposed in the electric servo ultra-high pressure system respectively detect the oil pressure, the high pressure water pressure, the temperature and the liquid level of the hydraulic oil in the electric servo ultra-high pressure system, and pass Waterjet equipment information terminal to realize remote positioning and monitoring functions;
  • the temperature water regulating valve is arranged in the electric servo super high pressure winding, and the temperature of the hydraulic oil is detected by the temperature sensing component installed in the oil tank to adjust the cooling water required by the oil cooler to ensure that the hydraulic oil is within the required operating temperature range. .
  • connection may be a direct connection between components or an indirect connection between components through other components.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

An electric serving ultra-high-pressure system and an operation principle thereof, comprising an oil pump motor set, an oil tank, a pressurizer (15), an oil cooling apparatus, and a water filtering and pressurizing apparatus, all disposed on a frame (1). The oil pump motor set comprises a pressure transducer (3) and a servo drive disposed inside of an electrical enclosure (7), the pressure transducer (3) being disposed at the oil outlet of the oil pump (2) for real-time monitoring of the oil pressure of the system; the servo drive is connected to the pressure transducer (3) by means of an electrical cable and sends instructions to control the rotational speed of the servomotor (6) on the basis of the signal measured by the pressure transducer (3). The present system uses a servomotor (6) to drive an oil pump (2), thereby reducing the pressure fluctuation generated when the pressurizer (15) changes direction, further stabilizing the output pressure of the high-pressure water, and enhancing workpiece cutting quality and speed.

Description

一种电伺服超高压系统及其操作原理Electric servo super high voltage system and its operating principle 技术领域Technical field

本发明涉及一种电伺服超高压系统及其操作原理，属于电伺服超高压系统领域。The invention relates to an electric servo ultra-high voltage system and an operating principle thereof, and belongs to the field of electric servo ultra-high voltage systems.

背景技术Background technique

目前国内常见的超高压系统中的油泵电机组，采用三相异步电动机驱动普通油泵的形式，这种形式结构和控制简单，但转速和出油量都是恒定的，在换向产生压力波动时，不能有效地补偿压力损失，另外常见的油泵电机组，采用三相异步电动机驱动恒压柱塞泵的形式.虽然通过液压的方式，在柱塞泵控制油口处提供压力调整，能够补偿部分压力损失.比普通油泵的效果好，但比理想的压力波动值要求还有一定的差距。At present, the oil pump motor group in the common ultra-high pressure system in China adopts the three-phase asynchronous motor to drive the common oil pump. This form of structure and control is simple, but the speed and oil output are constant, and when the pressure is fluctuating in the commutation direction The pressure loss can not be effectively compensated. In addition, the common oil pump motor unit uses a three-phase asynchronous motor to drive the constant pressure piston pump. Although the pressure is adjusted by the hydraulic pump at the control port of the plunger pump, the compensation portion can be compensated. Pressure loss. It is better than ordinary oil pump, but there is still a certain gap than the ideal pressure fluctuation value requirement.

发明内容Summary of the invention

本发明提供一种电伺服超高压系统及其操作原理，采用伺服电机驱动油泵的形式，减小了由于增压器换向时产生的压力波动，使高压水的输出压力值更加稳定，提高了工件切口的质量和切割速度。The invention provides an electric servo ultra-high pressure system and an operating principle thereof, and adopts a servo motor to drive an oil pump to reduce the pressure fluctuation generated when the supercharger is commutating, so that the output pressure value of the high-pressure water is more stable and improved. The quality of the workpiece cut and the cutting speed.

本发明解决其技术问题所采用的技术方案是：The technical solution adopted by the present invention to solve the technical problem thereof is:

一种电伺服超高压系统，包括安装在框架上的油泵电机组、油箱、增压器、油冷动装置和水过滤加压装置，所述的油泵电机组包括伺服电机、油泵，油泵通过伺服电机的作用，从油箱中吸出液压油，将液压油由代压缸的一侧输入，驱动活塞进行运动，活塞带动活塞杆运动，活塞杆对高压缸中的水进行增压，液压油从低压缸的另一侧输出后重新流回油箱，所述的油泵电机组还包括压力传感器和安装在电器柜中的伺服驱动器，压力传感器安装在油泵的出油口处，用于实时监测系统的油压；伺服驱动器通过电缆线与压力传感器相连，且通过压力传感器检测到的信号，发出指令对伺服电机的转速进行控制；An electric servo ultra-high pressure system comprises an oil pump motor unit mounted on a frame, a fuel tank, a supercharger, an oil cooling device and a water filtering and pressing device, wherein the oil pump motor group comprises a servo motor and an oil pump, and the oil pump passes the servo The function of the motor sucks the hydraulic oil from the oil tank, inputs the hydraulic oil from one side of the pressure cylinder, drives the piston to move, the piston drives the piston rod to move, the piston rod pressurizes the water in the high pressure cylinder, and the hydraulic oil is from the low pressure. The other side of the cylinder is output and then flows back to the fuel tank. The oil pump motor unit further includes a pressure sensor and a servo drive installed in the electric cabinet. The pressure sensor is installed at the oil outlet of the oil pump for real-time monitoring of the oil of the system. The servo drive is connected to the pressure sensor through a cable, and the signal detected by the pressure sensor is commanded to control the rotation speed of the servo motor;

作为本发明的进一步优选，所述的油泵电机组还包括旋转编码器，其与油泵、伺服电机、伺服驱动器、压力传感器构成闭环向路，油泵通过泵托架固定，其中伺服驱动器预设压力值，压力传感器进行实时监控，伺服驱动器通过压力传感器检测到的信号对伺服电机的转速进行控制；As a further preferred embodiment of the present invention, the oil pump motor set further includes a rotary encoder, which forms a closed loop path with the oil pump, the servo motor, the servo drive, and the pressure sensor, and the oil pump is fixed by the pump bracket, wherein the servo drive preset pressure value The pressure sensor performs real-time monitoring, and the servo driver controls the rotation speed of the servo motor through the signal detected by the pressure sensor;

作为本发明的进一步优选，所述的电伺服超高压系统还包括可编程控制器，其对伺服驱动器进行控制，进行压力值的变更设定；In a further preferred embodiment of the present invention, the electric servo ultra-high voltage system further includes a programmable controller that controls the servo driver to perform a change setting of the pressure value;

作为本发明的进一步优选，所述的电伺服超高压系统述包括油路阀块，其分别与油泵电机组、增压器相连通，所述的油路阀块上安装有先导式电磁换向阀、油压传感器、溢流阀、油压表和单向阀，其中先导式电磁换向阀的一端与增压器相连通，单向阀的一端与油泵输出端相连通，溢流阀同时与油泵输出端相连通；As a further preferred embodiment of the present invention, the electric servo ultra-high pressure system includes an oil passage valve block respectively connected to the oil pump motor unit and the supercharger, and the oil passage valve block is provided with a pilot electromagnetic reversal a valve, an oil pressure sensor, a relief valve, a hydraulic pressure gauge and a check valve, wherein one end of the pilot electromagnetic reversing valve is in communication with the supercharger, one end of the one-way valve is in communication with the output end of the oil pump, and the relief valve is simultaneously Connected to the output of the oil pump;

作为本发明的进一步优选，所述的冷却装置包括油冷却泵、油冷却电机、油冷却器，电伺服超高压系统还包括温度液位传感器、油过滤器、温度水量调节阀、电磁开关阀，空气滤清器和液位计。温度液位传感器、油冷却泵，油过滤器，液位计分别与油箱相连通，油冷却器的两端分别与油冷却泵，油过滤器相连接，油冷却器、温度水量调节阀和电磁开关阀依次相 连通，油冷却泵与油冷却电机相连接；As a further preferred embodiment of the present invention, the cooling device includes an oil cooling pump, an oil cooling motor, and an oil cooler, and the electric servo ultrahigh pressure system further includes a temperature liquid level sensor, an oil filter, a temperature water quantity regulating valve, and an electromagnetic on-off valve. Air filter and level gauge. The temperature liquid level sensor, the oil cooling pump, the oil filter and the liquid level meter are respectively connected with the oil tank, and the two ends of the oil cooler are respectively connected with the oil cooling pump and the oil filter, the oil cooler, the temperature water quantity regulating valve and the electromagnetic The switching valve is connected in sequence, and the oil cooling pump is connected to the oil cooling motor;

作为本发明的进一步优选，所述的电伺服超高压系统还包括水路阀块、高压水蓄能器、压力变速器、安全卸压阀、球阀、水过滤器和电磁开关阀，水溢流阀、水泵、水压开关、一级水压表和二级水压表均连接到水路阀块上。其中，水溢流阀安装在水路阀块内，水泵、水压开关、水过滤器和电磁开关阀依次连通，在水泵的两侧分别连接有一级水压表、二级水压表，；高压水蓄能器与增压器相连通，压力变送器、安全卸压阀分别与高压水蓄能器相连通；As a further preferred embodiment of the present invention, the electric servo ultrahigh pressure system further includes a waterway valve block, a high pressure water accumulator, a pressure transmission, a safety relief valve, a ball valve, a water filter, and an electromagnetic on-off valve, a water relief valve, The water pump, water pressure switch, primary water pressure gauge and secondary water pressure gauge are all connected to the waterway valve block. Wherein, the water overflow valve is installed in the waterway valve block, the water pump, the water pressure switch, the water filter and the electromagnetic switch valve are sequentially connected, and a first-stage water pressure gauge and a second-stage water pressure gauge are respectively connected on both sides of the water pump; The water accumulator is connected to the supercharger, and the pressure transmitter and the safety relief valve are respectively connected with the high pressure water accumulator;

一种如上述所述的电伺服超高压系统的操作原理，在可编程控制器中预设压力值，安装在油泵的出油口处的压力传感器实时监测系统的油压，伺服驱动器按照预先设定的压力值，通过压力传感器检测的信号，实时输出电信号，控制伺服电机的转速，从而实时控制油泵的出油量，如果需要变更压力值，同样可以通过可编程控制器进行变更设定；设置在所述电伺服超高压系统中的油压传感器、温度液位传感器、压力变速器分别对电伺服超高压系统中的油压、高压水压力、液压油的温度和液位进行检测，并通过水力设备信息终端，实现远程定位和监控功能；设置在电伺服超高压系统中的温度水量调节阀，通过安装在油箱中的感温元件检测液压油的温度，来调节油冷却器所需冷却水量，保证液压油处于所需工作温度范围内；液压油通过冷却装置后重新流回油箱时经过油过滤器进行过滤，当油过滤器内的杂质超过其设定的阈值时，油过滤器向可编程控制器发出报警信号，此时需对油过滤器的滤芯进行更换。An operating principle of the electric servo ultra-high pressure system as described above, the preset pressure value is preset in the programmable controller, and the pressure sensor installed at the oil outlet of the oil pump monitors the oil pressure of the system in real time, and the servo drive is pre-set according to the preset The pressure value is determined by the signal detected by the pressure sensor, and the electric signal is output in real time to control the rotation speed of the servo motor, thereby real-time control of the oil output of the oil pump. If the pressure value needs to be changed, the programmable controller can also be used to change the setting; The oil pressure sensor, the temperature liquid level sensor and the pressure transmission disposed in the electric servo ultra-high pressure system respectively detect the oil pressure, the high pressure water pressure, the temperature and the liquid level of the hydraulic oil in the electric servo ultra-high pressure system, and pass the The hydraulic equipment information terminal realizes the remote positioning and monitoring function; the temperature water quantity regulating valve set in the electric servo ultra-high pressure system, and the temperature of the hydraulic oil is detected by the temperature sensing element installed in the oil tank to adjust the cooling water quantity required by the oil cooler , to ensure that the hydraulic oil is within the required operating temperature range; the hydraulic oil flows back through the cooling device When carried through the oil tank filters, when impurities in the oil filter exceeds a threshold value which is set, the oil filter alarm signal to the programmable controller, this time for an oil filter for filter replacement.

通过以上技术方案，相对于现有技术，本发明具有以下有益效果：Through the above technical solutions, the present invention has the following beneficial effects compared to the prior art:

本发明的电伺服超高压系统与现有的同类产品相比，减小了由于增压器换向时产生的压力波动，使高压水的输出压力值更加稳定，提高了工件切口的质量和切割速度。由于伺服电机根据换向时产生的压力波动，实时快速地改变转速来调整油泵的出油量，补偿压力波动引起的部分掉压，将系统压力的波动控制在在很小的范围内。Compared with the existing similar products, the electric servo ultra-high pressure system of the invention reduces the pressure fluctuation caused by the commutation of the supercharger, makes the output pressure value of the high-pressure water more stable, and improves the quality and cutting of the workpiece cut. speed. Since the servo motor changes the rotational speed in real time according to the pressure fluctuation generated during the commutation, the oil output of the oil pump is adjusted in real time, and the partial pressure drop caused by the pressure fluctuation is compensated, and the fluctuation of the system pressure is controlled within a small range.

附图说明DRAWINGS

下面结合附图和实施例对本发明进一步说明。The invention will now be further described with reference to the drawings and embodiments.

图1是本发明的优选实施例的超高压系统原理图；Figure 1 is a schematic view of an ultra high pressure system of a preferred embodiment of the present invention;

图2是本发明的优选实施例的主视图；Figure 2 is a front elevational view of a preferred embodiment of the present invention;

图3是本发明的优选实施例的侧视图；Figure 3 is a side elevational view of a preferred embodiment of the present invention;

图4是本发明的优选实施例的俯视图。4 is a top plan view of a preferred embodiment of the present invention.

图中：1为框架，2为油泵，3为压力传感器，4为泵托架，5为联轴器，6为伺服电机，7为电器柜，8为液位计，9为水泵，10为触摸屏，11为油压表，12为一级水压表，13为二级水压表，14为先导式电磁换向阀，15为增压器，16为压力传感器，17为水过滤器，18为油冷却电机，19为油冷却泵，20为油冷却器，21为温度水量调节阀，22为电磁阀，23为安全卸压阀，24为高压水蓄能器，25为温度液位传感器，26为油箱，27为空气滤清器，28为油路阀块，29为油过滤器。In the figure: 1 is the frame, 2 is the oil pump, 3 is the pressure sensor, 4 is the pump bracket, 5 is the coupling, 6 is the servo motor, 7 is the electrical cabinet, 8 is the liquid level gauge, 9 is the water pump, 10 is Touch screen, 11 is the oil pressure gauge, 12 is the first stage water pressure gauge, 13 is the secondary water pressure gauge, 14 is the pilot type electromagnetic reversing valve, 15 is the supercharger, 16 is the pressure sensor, 17 is the water filter, 18 is oil cooling motor, 19 is oil cooling pump, 20 is oil cooler, 21 is temperature water quantity regulating valve, 22 is solenoid valve, 23 is safety relief valve, 24 is high pressure water accumulator, 25 is temperature level The sensor, 26 is a fuel tank, 27 is an air cleaner, 28 is an oil passage valve block, and 29 is an oil filter.

具体实施方式detailed description

现在结合附图对本发明作进一步详细的说明。这些附图均为简化的示意图，仅以示意方式说明本发明的基本结构，因此其仅显示与本发明有关的构成。The invention will now be described in further detail with reference to the drawings. The drawings are simplified schematic diagrams, and only the basic structure of the present invention is illustrated in a schematic manner, and thus only the configurations related to the present invention are shown.

如图1-图4所示，本发明的一种电伺服超高压系统，包括安装在框架上的油泵电机组、油箱、增压器、油冷却装置和水过滤加压装置，所述的油泵电机组包括伺服电机、油泵，油泵通过伺服电机的作用，从油箱中吸出液压油，将液压油由低压缸的一侧输入，驱动活塞进行运动，活塞带动活塞杆运动，活塞杆对高压缸中的水进行增压，液压油从低压缸的另一侧输出后重新流回油箱，所述的油泵电机组还包括压力传感器和安装在电器柜中的伺服驱动器，压力传感器安装在油泵的出油口处，用于实时监测系统的油压；伺服驱动器通过电缆线与压力传感器相连，且通过压力传感器检测到的信号，发出指令对伺服电机的转速进行控制；As shown in FIG. 1 to FIG. 4, an electric servo ultra-high pressure system of the present invention comprises an oil pump motor unit mounted on a frame, a fuel tank, a supercharger, an oil cooling device and a water filtration pressurizing device, the oil pump The motor group includes a servo motor and an oil pump. The oil pump sucks the hydraulic oil from the oil tank through the action of the servo motor, inputs the hydraulic oil from one side of the low pressure cylinder, drives the piston to move, the piston drives the piston rod to move, and the piston rod is in the high pressure cylinder. The water is pressurized, and the hydraulic oil is output from the other side of the low pressure cylinder and then flows back to the fuel tank. The oil pump motor unit further includes a pressure sensor and a servo drive installed in the electric cabinet, and the pressure sensor is installed in the oil pump. At the mouth, it is used to monitor the oil pressure of the system in real time; the servo driver is connected to the pressure sensor through the cable, and the signal detected by the pressure sensor is issued to control the rotation speed of the servo motor;

作为本发明的进一步优选，所述的油泵电机组还包括旋转编码器，其与油泵、伺服电机、伺服驱动器、压力传感器构成闭环回路，油泵通过泵托架固定，其中，伺服驱动器预设压力值，压力传感器进行实时监控，伺服驱动器通过压力传感器检测到的信号对伺服电机的转速进行控制；As a further preferred embodiment of the present invention, the oil pump motor unit further includes a rotary encoder, which is combined with an oil pump, a servo motor, a servo drive, and a pressure sensor to form a closed loop circuit, and the oil pump is fixed by a pump bracket, wherein the servo drive preset pressure value The pressure sensor performs real-time monitoring, and the servo driver controls the rotation speed of the servo motor through the signal detected by the pressure sensor;

作为本发明的进一步优选，所述的电伺服超高压系统还包括可编程控制器，其对伺服驱动器进行控制，进行压力值的变更设定；In a further preferred embodiment of the present invention, the electric servo ultra-high voltage system further includes a programmable controller that controls the servo driver to perform a change setting of the pressure value;

作为本发明的进一步优选，所述的电伺服超高压系统还包括油路阀块，其分别与油泵电机组、增压器相连通，所述的油路阀块上安装有先导式电磁换向阀、油压传感器、溢流阀、油压表和单向阀，其中先导式电磁换向阀的一端与增压器相连通，单向阀的一端与油泵输出端连通，溢流阀同时与油泵输出端相连通：As a further preferred embodiment of the present invention, the electric servo ultra-high pressure system further includes an oil passage valve block respectively connected to the oil pump motor unit and the supercharger, wherein the oil passage valve block is provided with a pilot electromagnetic reversal a valve, an oil pressure sensor, a relief valve, a hydraulic pressure gauge and a check valve, wherein one end of the pilot electromagnetic reversing valve is in communication with the supercharger, one end of the one-way valve is in communication with the output end of the oil pump, and the relief valve is simultaneously The output of the oil pump is connected:

作为本发明的进一步优选，所述的冷却装置包括油冷却泵、油冷却电机、油冷却器，电伺服超高压系统还包括温度液位传感器，油过滤器、温度水量调节阀、电磁开关阀、空气滤清器和液位计。温度液位传感器、油冷却泵、油过滤器、液位计分别与油箱相连通，油冷却器的两端分别与油冷却泵、油过滤器相连接，油冷却器、温度水量调节阀和电磁开关阀依次和连通，油冷却泵与油冷却电机相连接；As a further preferred embodiment of the present invention, the cooling device includes an oil cooling pump, an oil cooling motor, and an oil cooler, and the electric servo ultrahigh pressure system further includes a temperature liquid level sensor, an oil filter, a temperature water quantity regulating valve, an electromagnetic switching valve, Air filter and level gauge. The temperature liquid level sensor, the oil cooling pump, the oil filter and the liquid level meter are respectively connected with the oil tank, and the two ends of the oil cooler are respectively connected with the oil cooling pump and the oil filter, the oil cooler, the temperature water quantity regulating valve and the electromagnetic The switching valve is connected in sequence, and the oil cooling pump is connected to the oil cooling motor;

作为本发明的进一步优选，所述的电伺服超高压系统还包括水路阀块、高压水蓄能器、压力变速器、安全卸压阀、球阀、水过滤器和电磁开关阀，水溢流阀、水泵、水压开关、一级水压表和二级水压表的连接到水路阀块上，其中，水溢流阀安装在水路阀块内，水泵、水压开关、水过滤器和电磁开关阀依次连通，在水泵的两侧分别连接有一级水压表(显示外接水源压力)、二级水压表(显示经水泵加压后的水压)：高压水蓄能器与增压器相连通，压力变送器、安全卸压阀分别与高压水蓄能器相连通；As a further preferred embodiment of the present invention, the electric servo ultrahigh pressure system further includes a waterway valve block, a high pressure water accumulator, a pressure transmission, a safety relief valve, a ball valve, a water filter, and an electromagnetic on-off valve, a water relief valve, The water pump, the water pressure switch, the first water pressure gauge and the second water pressure gauge are connected to the waterway valve block, wherein the water overflow valve is installed in the waterway valve block, the water pump, the water pressure switch, the water filter and the electromagnetic switch The valves are connected in sequence, and a water pressure gauge (showing the external water source pressure) and a secondary water pressure gauge (showing the water pressure after being pressurized by the water pump) are respectively connected on both sides of the water pump: the high pressure water accumulator is connected to the supercharger The pressure transmitter and the safety relief valve are respectively connected with the high pressure water accumulator;

一种如上述所述的电伺服超高压系统的操作原理，在可编程控制器中预设压力值，安装在油泵的出油口处的压力传感器实时监测系统的油压，伺服驱动器按照预先设定的压力值，通过压力传感器检测的信号，实时输出电信号，控制伺服电机的转速，从而实时控制油泵的出油量，如果需要变更压力值，同样可以通过可编程控制器进行变更设定：设置在所述电伺服超高压系统中的油压传感器、温度液位传感器、压力变速器分别对电伺服超高压系统中的油压、高压水压力、液压油的温度和液位进行检测，并通过水刀设备信息终端，实现远程定位和监控功能；设置在电伺服超高压系统中的温度水量调节阀，通过安装在油箱中的感温元件检测液压油的温度，来调节油冷却器所需冷却水量，保证液压油处于所需工作温度范围内；液压油通过冷却装置后重新流回油箱时经过油过滤器进行过滤，当油过滤器内的杂质超过其设定的阈值时，油过滤器向可编程控制器发出报警信号，此时需对油过滤 器的滤芯进行更换。An operating principle of the electric servo ultra-high pressure system as described above, the preset pressure value is preset in the programmable controller, and the pressure sensor installed at the oil outlet of the oil pump monitors the oil pressure of the system in real time, and the servo drive is pre-set according to the preset The pressure value is determined by the signal detected by the pressure sensor, and the electric signal is output in real time to control the rotation speed of the servo motor, thereby real-time control of the oil output of the oil pump. If the pressure value needs to be changed, the programmable controller can also be used to change the setting: The oil pressure sensor, the temperature liquid level sensor and the pressure transmission disposed in the electric servo ultra-high pressure system respectively detect the oil pressure, the high pressure water pressure, the temperature and the liquid level of the hydraulic oil in the electric servo ultra-high pressure system, and pass the The water knife equipment information terminal realizes the remote positioning and monitoring function; the temperature water quantity regulating valve set in the electric servo ultra-high pressure system, and the temperature of the hydraulic oil is detected by the temperature sensing element installed in the oil tank to adjust the cooling required of the oil cooler The amount of water ensures that the hydraulic oil is within the required operating temperature range; the hydraulic oil flows back through the cooling device When carried through the oil tank filters, when impurities in the oil filter exceeds a threshold value which is set, the oil filter alarm signal to the programmable controller, this time for an oil filter for filter replacement.

通过压力传感器检测的信号，实时输出电信号，控制伺服电机的转速，从而实时控制油泵的出油量，保证了电伺服超高压系统在增压器换向时，油压在很小的范围内波动；Through the signal detected by the pressure sensor, the electric signal is output in real time, and the rotation speed of the servo motor is controlled, thereby controlling the oil output of the oil pump in real time, and ensuring that the electric servo super-high pressure system has a small oil pressure when the supercharger is commutating. fluctuation;

在可编程控制器中预设压力值，如果需要变更压力值，同样可以通过可编程控制器进行变更设定，设定后，自动调整整个电伺服超高压系统的压力；The pressure value is preset in the programmable controller. If the pressure value needs to be changed, the programmable controller can also be used to change the setting. After the setting, the pressure of the entire electric servo ultra-high pressure system is automatically adjusted.

设置在所述电伺服超高压系统中的油压传感器、温度液位传感器、压力变速器分别对电伺服超高压系统中的油压、高压水压力，液压油的温度和液位进行检测，并通过水刀设备信息终端，实现远程定位和监控功能；The oil pressure sensor, the temperature liquid level sensor and the pressure transmission disposed in the electric servo ultra-high pressure system respectively detect the oil pressure, the high pressure water pressure, the temperature and the liquid level of the hydraulic oil in the electric servo ultra-high pressure system, and pass Waterjet equipment information terminal to realize remote positioning and monitoring functions;

设置在电伺服超高压系绕中的温度水量调节阀，通过安装在油箱中的感温元件检测液压油的温度，来调节油冷却器所需冷却水量，保证液压油处于所需工作温度范围内。The temperature water regulating valve is arranged in the electric servo super high pressure winding, and the temperature of the hydraulic oil is detected by the temperature sensing component installed in the oil tank to adjust the cooling water required by the oil cooler to ensure that the hydraulic oil is within the required operating temperature range. .

本技术领域技术人员可以理解，除非另外定义，这里使用的所有术语(包括技术术语和科学术语)具有与本申请所属领域中的普通技术人员的一般理解相同的意义。还应该理解的是，诸如通用字典中定义的那些术语应该被理解为具有与现有技术的上下文中的意义一致的意义，并且除非像这里一样定义，不会用理想化或过于正式的含义来解释。Those skilled in the art will appreciate that all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. It should also be understood that terms such as those defined in a general dictionary should be understood to have a meaning consistent with the meaning in the context of the prior art, and unless defined as herein, will not be idealized or overly formal. Explanation.

本申请中所述的“和/或”的含义指的是各自单独存在或两者同时存在的情况均包括在内。The meaning of "and/or" as used in this application refers to the fact that each is present alone or both.

本申请中所述的“连接”的含义可以是部件之间的直接连接也可以是部件间通过其它部件的间接连接。The term "connected" as used in this application may be a direct connection between components or an indirect connection between components through other components.

以上述依据本发明的理想实施例为启示，通过上述的说明内容，相关工作人员完全可以在不偏离本项发明技术思想的范围内，进行多样的变更以及修改。本项发明的技术性范围并不局限于说明书上的内容，必须要根据权利要求范围来确定其技术性范围。In view of the above-described embodiments of the present invention, various changes and modifications may be made by those skilled in the art without departing from the scope of the invention. The technical scope of the present invention is not limited to the contents of the specification, and the technical scope thereof must be determined according to the scope of the claims.

Claims (7)

一种电伺服超高压系统，包括安装在框架上的油泵电机组、油箱、增压器、油冷却装置和水过滤加压装置，所述的油泵电机组包括伺服电机、油泵，油泵通过伺服电机的作用，从油箱中吸出液压油，将液压油由低压缸的一侧输入，驱动活塞进行运动，活塞带动活塞杆运动，活塞杆对高压缸中的水进行增压，液压油从低压缸的另一侧输出后重新流回油箱，其特征在于：所述的油泵电机组还包括压力传感器和安装在电器柜中的伺服驱动器，压力传感器安装在油泵的出油口处，用于实时监测系统的油压；伺服驱动器通过电缆线与压力传感器相连，且通过压力传感器检测到的信号，发出指令对伺服电机的转速进行控制。An electric servo ultra-high pressure system comprising an oil pump motor unit mounted on a frame, a fuel tank, a supercharger, an oil cooling device and a water filtering pressurizing device, wherein the oil pump motor unit comprises a servo motor and an oil pump, and the oil pump passes the servo motor The function is to suck out the hydraulic oil from the oil tank, input the hydraulic oil from one side of the low pressure cylinder, drive the piston to move, the piston drives the piston rod to move, the piston rod pressurizes the water in the high pressure cylinder, and the hydraulic oil from the low pressure cylinder The other side outputs and then flows back to the fuel tank. The oil pump motor unit further includes a pressure sensor and a servo drive installed in the electric cabinet. The pressure sensor is installed at the oil outlet of the oil pump for real-time monitoring system. The hydraulic pressure is connected to the pressure sensor via a cable, and the signal detected by the pressure sensor is commanded to control the rotational speed of the servo motor. 根据权利要求1所述的电伺服超高压系统，其特征在于：所述的油泵电机组还包括旋转编码器，其与油泵、伺服电机、伺服驱动器、压力传感器构成闭环回路、油泵通过泵托架固定，其中，伺服驱动器预设压力值，压力传感器进行实时监控，伺服驱动器通过压力传感器检测到的信号对伺服电机的转速进行控制。The electric servo ultra-high pressure system according to claim 1, wherein the oil pump motor unit further comprises a rotary encoder, which forms a closed loop with the oil pump, the servo motor, the servo drive, and the pressure sensor, and the oil pump passes through the pump bracket. Fixed, wherein the servo drive preset pressure value, the pressure sensor performs real-time monitoring, and the servo driver controls the rotation speed of the servo motor through the signal detected by the pressure sensor. 根据权利要求2所述的电伺服超高压系统，其特征在于：所述的电伺服超高压系统还包括可编程控制器，其对伺服驱动器进行控制，进行压力值的变更设定。The electric servo ultrahigh voltage system according to claim 2, wherein said electric servo ultrahigh voltage system further comprises a programmable controller that controls the servo driver to change the pressure value. 根据权利要求3所述的电伺服超高压系统，其特征在于：所述的电伺服超高压系统还包括油路阀块，其分别与油泵电机组、增压器相连通，所述的油路阀块上安装有先导式电磁换向阀、油压传感器、溢流阀、油压表和单向阀，其中先导式电磁换向阀的一端与增压器相连通，单向阀的一端与油泵输出端连通，溢流阀同时与油泵输出端相连通。The electric servo ultrahigh pressure system according to claim 3, wherein said electric servo ultrahigh pressure system further comprises an oil passage valve block which is respectively connected to the oil pump motor unit and the supercharger, said oil passage A pilot-operated electromagnetic reversing valve, an oil pressure sensor, a relief valve, a hydraulic pressure gauge and a check valve are mounted on the valve block, wherein one end of the pilot electromagnetic reversing valve is in communication with the supercharger, and one end of the one-way valve is The output end of the oil pump is connected, and the overflow valve is simultaneously connected to the output end of the oil pump. 根据权利要求4所述的电伺服超高压系统，其特征在于：所述的冷却装置包括油冷却泵、油冷却电机、油冷却器，电伺服超高压系统还包括温度液位传感器、油过滤器、温度水量调节阀、电磁开关阀、空气滤清器和液位计；温度液位传感器、油冷却泵、油过滤器、液位计分别与油箱相连通，油冷却器的两端分别与油冷却泵、油过滤器相连接，油冷却器、温度水量调节阀和电磁开关阀依次相连通，油冷却泵与油冷却电机相连接。The electric servo ultrahigh pressure system according to claim 4, wherein the cooling device comprises an oil cooling pump, an oil cooling motor, an oil cooler, and the electric servo ultrahigh pressure system further comprises a temperature liquid level sensor and an oil filter. Temperature water quantity regulating valve, electromagnetic switching valve, air filter and liquid level meter; temperature liquid level sensor, oil cooling pump, oil filter and liquid level meter are respectively connected with the oil tank, and the oil cooler is respectively connected with the oil The cooling pump and the oil filter are connected, the oil cooler, the temperature water quantity regulating valve and the electromagnetic switching valve are connected in sequence, and the oil cooling pump is connected with the oil cooling motor. 根据权利要求5所述的电伺服超高压系统，其特征在于：所述的电伺服超高压系统还包括水路阀块、高压水蓄能器，压力变速器、安全卸压阀、球阀、水过滤器和电磁开关阀，水溢流阀、水泵、水压开关、一级水压表和二级水压表均连接到水路阀块上；其中，水溢流阀安装在水路阀块内，水泵、水压开关、水过滤器和电磁开关阀依次连通，在水泵的两侧分别连接有一级水压表、二级水压表；高压水蓄能器与增压器相连通，压力变送器、安全卸压阀分别与高压水蓄能器相连通。The electric servo ultrahigh pressure system according to claim 5, wherein said electric servo ultrahigh pressure system further comprises a waterway valve block, a high pressure water accumulator, a pressure transmission, a safety relief valve, a ball valve, and a water filter. And the electromagnetic switch valve, the water overflow valve, the water pump, the water pressure switch, the first water pressure gauge and the second water pressure gauge are all connected to the waterway valve block; wherein the water overflow valve is installed in the waterway valve block, the water pump, The water pressure switch, the water filter and the electromagnetic switch valve are sequentially connected, and a first-stage water pressure gauge and a second-stage water pressure gauge are respectively connected on both sides of the water pump; the high-pressure water accumulator is connected with the supercharger, the pressure transmitter, The safety relief valve is in communication with the high pressure water accumulator. 一种如权利要求6所述的电伺服超高压系统的操作原理，其特征在于：在可编程控制器中预设压力值，安装在油泵的出油口处的压力传感器实时监测系统的油压，伺服驱动器按照预先设定的压力值，通过压力传感器检测的信号，实时输出电信号，控制伺服电机的转速，从而实时控制油泵的出油量，如果需要变更压力值，同样可以通过可编程控制器进行变更设定；设置在所述电伺服超高压系统中的油压传感器、温度液位传感器、压力变速器分别对电伺服超高压系统中的油压、高压水压力、液压油的温度和液位进行检测，并通过水刀设备信息终端，实现远程定位和监控功能；设置在电伺服超高压系统中的温度水量调节阀，通过安装在油箱中的感温元件检测液压油的温度，来调节油冷却器所需冷却水量，保证液压油处于所需工作温度范围内；液压油通过冷却装置后重新流回油箱时经过油过滤器进行过滤，当油过滤器内的杂质超过其设定的阈值时，油过滤器向可编程控制器发出报警信号，此时需对油过滤器的滤芯进行更换。An operating principle of an electric servo ultra-high pressure system according to claim 6, wherein: the pressure value is preset in the programmable controller, and the pressure sensor installed at the oil outlet of the oil pump monitors the oil pressure of the system in real time. The servo driver outputs the electric signal in real time according to the preset pressure value, and outputs the electric signal in real time to control the rotation speed of the servo motor, thereby real-time control of the oil output of the oil pump. If the pressure value needs to be changed, the servo control can also be controlled. The device performs the change setting; the oil pressure sensor, the temperature liquid level sensor and the pressure transmission set in the electric servo ultra-high pressure system respectively apply the oil pressure, the high pressure water pressure, the temperature and the liquid of the hydraulic oil in the electric servo ultra-high pressure system The position is detected, and the remote positioning and monitoring function is realized by the water knife equipment information terminal; the temperature water quantity adjusting valve set in the electric servo ultra-high pressure system is adjusted by detecting the temperature of the hydraulic oil by the temperature sensing element installed in the oil tank. The amount of cooling water required by the oil cooler ensures that the hydraulic oil is within the required operating temperature range; the hydraulic oil passes through the cold However, when the device is re-flowed back to the fuel tank, it is filtered through the oil filter. When the impurities in the oil filter exceed the set threshold value, the oil filter sends an alarm signal to the programmable controller, and the oil filter is required at this time. The filter element is replaced.
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