F1000 type slurry pump set control system

Abstract

The utility model relates to the technical field of engine control systems, and particularly discloses an F1000 type slurry pump set control system which comprises a slurry pump, a core controller, a speed regulation board and a remote control board, the slurry pump is connected with a gearbox, the gearbox is connected with an engine, the engine is connected with a water tank, and the water tank is connected with the core controller. A slurry pump pressure sensor is arranged on the slurry pump, a rotating speed sensor is arranged on the gearbox, an oil pressure sensor and a water temperature sensor are arranged on the engine, and a water level sensor is arranged on the water tank. The slurry pump pressure sensor, the rotating speed sensor, the oil pressure sensor, the water temperature sensor, the water level sensor, the speed regulation plate and the remote control plate are all electrically connected with the core controller. According to the utility model, the full-data remote monitoring of the full-mechanical engine and the hydraulic coupler is realized, the remote whole-course speed regulation of the slurry pump group is realized, the continuous displacement regulation working condition of the working condition of the drilling machine is met, and meanwhile, the system has the advantages of good interactivity, high integration level and good reliability.

Description

TECHNICAL FIELD

[0001] The utility model relates to an engine control system technical field, especially F1000 type mud pump group control system. BACKGROUND

[0002] Mud pump is composed of full mechanical engine Jichai G12V190PZL-3 and hydraulic coupler YOTFJ750, rated power: 900kW, rated speed: 1500RPM, cylinder number and arrangement: 12-V, type: four-stroke, water-cooled, supercharged after intercooling, compression ratio: 14:1, total displacement: 71.45L. To adapt to the requirements of rig modification, G12V190PZL-3 engine is matched with high-efficiency (efficiency is increased by 5%) high-pressure ratio (pressure ratio is increased by 20%) large-flow (flow is increased by 20%) SJ160 supercharger produced by sino-sino joint venture, instead of the original 20GJ supercharger, improves performance and reliability, compared with the old product, performance is more excellent, economy is higher, suitability is stronger, reliability is better, it not only has good interchangeability with the original 190 series diesel engine, can also replace the D300 series diesel engine (such as D399, D398 etc.) of CAT company, and can be used as the power unit of electric drive rig generator set as the 3512TA diesel engine of CAT company, so the configuration becomes one of the ideal choices of electric drive rig generator set power.

[0003] The existing above engine has the above performance advantages, and the equipment cost is low, but it cannot meet the process characteristics of remote speed regulation and remote data monitoring of mud pump power unit, so the engine has not been applied to mud pump power use. According to the above working condition, a full-electric control solution is developed and designed to further improve the prior art. UTILITY MODEL CONTENTS

[0004] The technical problem to be solved by the utility model is that, in view of the above defects of the prior art, an F1000 type mud pump group control system is provided, which not only realizes full data remote monitoring of full mechanical engine and hydraulic coupler, but also realizes remote full-process speed regulation of mud pump group, meets the displacement continuous regulation working condition of rig working condition, and the system has a man-machine interface, has the advantages of good interactivity, high integration and good reliability.

[0005] In order to solve the above technical problems, the technical scheme of the utility model is:

[0006] The application discloses a control system of a F1000 type mud pump group, which comprises a mud pump, a core controller, a speed regulation plate and a remote control plate, wherein the mud pump is connected with a gearbox, the gearbox is connected with an engine, the engine is connected with a water tank, the mud pump is provided with a mud pump pressure sensor, the gearbox is provided with a rotating speed sensor, the engine is provided with an oil pressure sensor and a water temperature sensor, the water tank is provided with a water level sensor, and the mud pump pressure sensor, the rotating speed sensor, the oil pressure sensor, the water temperature sensor, the water level sensor, the speed regulation plate and the remote control plate are electrically connected with the core controller.

[0007] Preferably, the core controller comprises a display screen M1, a PLC controller, a plurality of power switches and a plurality of output signal relays, and the display screen M1, the power switches and the output signal relays are electrically connected with the PLC controller.

[0008] Preferably, the mud pump, the gearbox, the engine and the water tank are electrically connected with the output signal relays.

[0009] Preferably, the remote control plate comprises a display screen M4 and a plurality of remote monitoring switches, and the remote monitoring switches are electrically connected with the display screen M4.

[0010] Preferably, the mud pump is connected with a spray pump, the spray pump is provided with a spray pump pressure sensor, and the spray pump pressure sensor is electrically connected with the core controller.

[0011] Preferably, the remote control plate is electrically connected with the speed regulation plate and the core controller through anti-explosion plugs.

[0012] The utility model provides a kind of F1000 type mud pump group control system using above-mentioned technical scheme, with following beneficial effect: the mud pump of the F1000 type mud pump group control system is connected with gearbox, the gearbox is connected with engine, the engine is connected with water tank, mud pump pressure sensor is provided on the mud pump, rotational speed sensor is provided on the gearbox, oil pressure sensor and water temperature sensor are provided on the engine, water level sensor is provided on the water tank, mud pump pressure sensor, rotational speed sensor, oil pressure sensor, water temperature sensor, water level sensor, speed regulation plate and remote control board are electrically connected with the core controller, display engine information, mud pump state, spray pump state, lubricating pump state, alarm information, system voltage, system air pressure are carried out by being matched with remote control board and core controller, complete power unit's power control, engine operation control, engine throttle, engine emergency stop, coupler control and overpressure reset etc. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is the structural schematic diagram of the utility model;

[0014] Fig. 2 It is the circuit schematic diagram of the utility model;

[0015] In the drawing, 1-mud pump, 2-core controller, 3-speed regulation plate, 4-remote control board, 5-mud pump pressure sensor, 6-rotational speed sensor, 7-oil pressure sensor, 8-water temperature sensor, 9-water level sensor, 10-PLC controller, 11-power switch, 12-output signal relay, 13-remote monitoring switch, 14-spray pump, 15-spray pump pressure sensor, 16-explosion-proof insert, 17-gearbox, 18-engine, 19-water tank. DETAILED DESCRIPTION

[0016] The specific embodiment of the utility model is further explained in combination with the drawings below.It needs to be explained here that the explanation of these embodiments is used to help understanding the utility model, but does not constitute the limitation to the utility model.In addition, the technical features involved in each embodiment of the utility model described below can be combined mutually as long as they do not conflict with each other.

[0017] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0018] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0019] like Figs. 1-2 As shown, the F1000 mud pump set control system includes a mud pump 1, a core controller 2, a speed control board 3, and a remote control board 4. The mud pump 1 is connected to a gearbox 17, the gearbox 17 is connected to an engine 18, and the engine 18 is connected to a water tank 19. The mud pump 1 is equipped with a mud pump pressure sensor 5, the gearbox 17 is equipped with a speed sensor 6, the engine 18 is equipped with an oil pressure sensor 7 and a water temperature sensor 8, and the water tank 19 is equipped with a water level sensor 9. The mud pump pressure sensor 5, speed sensor 6, oil pressure sensor 7, water temperature sensor 8, water level sensor 9, speed control board 3, and remote control board 4 are all electrically connected to the core controller 2. Understandably, the purpose of this utility model is to overcome the problems of existing fully mechanical engines such as the Jichai G12V190PZL-3 and the hydraulic coupling YOTFJ750 being unable to adjust speed throughout the entire range and remotely monitor all data. It provides a fully electronic control solution that can be applied to the use of other fully mechanical engines, thereby supplementing and expanding the application scenarios of mechanical engines.

[0020] Specifically, the core controller 2 comprises a display screen M1, a PLC controller 10, a plurality of power switches 11 and a plurality of output signal relays 12, the display screen M1, the power switches 11 and the output signal relays 12 are electrically connected with the PLC controller 10; the mud pump 1, a gearbox 17, an engine 18 and a water tank 19 are electrically connected with the output signal relays 12; the remote control board 4 comprises a display screen M4 and a plurality of remote monitoring switches 13, the remote monitoring switches 13 are electrically connected with the display screen M4; the mud pump 1 is connected with a spray pump 14, the spray pump 14 is provided with a spray pump pressure sensor 15, the spray pump pressure sensor 15 is electrically connected with the core controller 2; the remote control board 4 is electrically connected with the speed regulation board 3 and the core controller 2 through an anti-explosion plug-in 16. It can be understood that, in the actual application process, the core controller 2 is installed on a centralized system control cabinet, and is used for installation and integration of man-machine interactive display screens and control elements, can control a spray motor to cool a pump body, control a lubricating motor to lubricate a pump body gear, control a perfusion motor to force water into a pump body input port, lighting and other power distribution, can also control a heating control box to heat engine body coolant and lubricating oil, control an air intake cut-off device, and when the engine is in an out-of-control state, force the engine to stop; and data acquisition and remote control of the engine, the gearbox and the mud pump.

[0021] It can be understood that the display screen M1 mainly displays engine information, mud pump state, spray pump state, lubricating pump state, alarm information, system voltage, system air pressure, completes power unit power control, near and remote switching, engine operation control, engine throttle, engine emergency stop, coupler control and overpressure reset, and the control functions of each part are as follows: Engine information screen: displays engine information, mud pump state, spray pump state, lubricating pump state, coupler state and alarm information, sets system parameters and alarm parameters; System voltage meter: used for displaying system voltage; System air pressure meter: used for displaying system air pressure; Power switch: control box power switch; Control mode: used for near and remote control of the engine, rotate the "control mode" switch on the control box to "local", except for the remote control box emergency stop switch, the engine start, stop, coupler control, engine throttle and overpressure reset on the remote control box are in invalid state; Rotate the "control mode" switch on the control box to "remote", except for the local control box emergency stop switch, at this time the local control box engine start, stop, coupler control, engine throttle and overpressure reset are in invalid state, other switch buttons work normally; Engine stop / start switch: used to start and stop the engine, turn the switch to "start" position to start the engine, turn the switch to "stop" to stop the engine, controlled by near and remote switching; Coupler control: used to control the disengagement and engagement of the coupler, controlled by near and remote switching; Overpressure reset: used to reset the high pressure alarm information of the large pump, controlled by near and remote switching; Engine throttle: used to control the acceleration and deceleration of the engine, controlled by near and remote switching; System alarm buzzer: when alarm information appears, for example when the engine oil pressure is lower than the set value, the engine water temperature is higher than the set value, the large pump overpressure, the buzzer buzzes alarm, not controlled by near and remote switching; Engine emergency stop: controls the engine emergency stop, press this button when emergency occurs, the engine stops running immediately, not controlled by near and remote switching.

[0022] It can be understood that the display screen M4 mainly displays engine information, mud pump state, spray pump state, lubricating pump state, alarm information, completes engine operation control, engine throttle, engine emergency stop, coupler control and overpressure reset, etc. The control functions of each part are as follows: Engine information screen: displays engine information, mud pump state, spray pump state, lubricating pump state, coupler state and alarm information, etc., sets system parameters and alarm parameters; Engine stop / start switch: used to start and stop the engine, twist the switch to the "start" position to start the engine, twist the switch to the "stop" position to stop the engine, controlled by near and remote switching; Coupler control: used to control the disengagement and engagement of the coupler, controlled by near and remote switching; Engine throttle: used to control the acceleration and deceleration of the engine, controlled by near and remote switching; Engine emergency stop: controls the emergency stop of the engine, press the button when an emergency occurs, the engine will stop running immediately, not controlled by near and remote switching; System alarm buzzer light: when alarm information appears, for example, when the engine oil pressure is lower than the set value, the engine water temperature is higher than the set value, and the pump overpressure, the buzzer alarm, not controlled by near and remote switching; Overpressure reset: used to reset the pump overpressure alarm information, controlled by near and remote switching.

[0023] It can be understood that the system can realize engine start and stop, engine throttle control, engine emergency stop control and coupler control, overpressure reset, system air pressure, system voltage, engine speed, engine water temperature, engine oil pressure, lubricating pump pressure, spray pump pressure, pump overpressure, pump displacement, cumulative displacement, pump stroke, cylinder diameter and alarm information display.

[0024] Before starting the engine, check whether the positive and negative poles of the power supply line are connected incorrectly, whether the sensors and wires are plugged in, and whether the other circuit connections are correct. After ensuring that there is no error, perform the power-on operation:

[0025] 1. Turn on the power switch. The instrument panel displays the system voltage and system air pressure. Observe whether the air pressure is within the normal range for starting the engine and whether the voltage is within the normal range. After the display screen is loaded, the main page is displayed without alarm information. Then proceed to the next step. If there is alarm information, please troubleshoot according to the fault display information;

[0026] 2. Set the display screen parameters, alarm parameters and corresponding cylinder diameter parameters according to the above instructions. The overpressure set value will be automatically set according to the cylinder diameter. Check the temperature and pressure data display on the main page. After setting is complete, proceed to the next step;

[0027] 3. Switch the control mode to local. Twist the engine switch to the start position. The control box outputs the control air source. The engine starts to be started by air. After the engine speed is started, release the button. Note that the start time should not exceed 10S. If it cannot be started, please troubleshoot the problem;

[0028] 4, check the display screen main page lubrication pump, spray pump state has started, if not started, the external forced decoupling coupler state light, coupler can not be engaged, the pump displacement curve area appears "lubrication pump, spray pump is not running" warning prompt, after the lubrication pump, spray pump starts, the external forced decoupling coupler state is automatically released, and the warning prompt disappears.

[0029] 5, the coupler knob is screwed to the engaged gear, and the coupler is engaged.

[0030] 6, control the engine throttle, rotate the engine throttle clockwise, the engine speed increases, rotate the engine throttle counterclockwise, the engine speed decreases, and the engine speed is controlled according to actual needs.

[0031] 7, the display screen main page displays the engine speed, the current displacement and the pump pressure curve.

[0032] 8, after the operation is completed, the engine throttle is adjusted, the engine speed is reduced to idle speed, then the coupler knob is screwed to the disengaged position, the engine switch is screwed to the stop position, and the engine is stopped.

[0033] 9, overpressure protection function, when overpressure alarm occurs during operation, the coupler is disengaged, the sound and light alarm responds, the engine immediately returns to idle speed, and after the pressure is reduced, the overpressure reset button on the corresponding control box (local or remote) needs to be pressed to eliminate the alarm and release the forced decoupling state of the coupler.

[0034] When an emergency occurs, the emergency stop button is pressed, the engine returns to idle speed, the coupler is forced to disengage, and the sound and light alarm responds.

[0035] It can be understood that the utility model has reasonable design and unique structure, and the full electric control solution is suitable for full mechanical engines such as Jichai G12V series, Z12V series, Cummins KTA19 series and KTA38 series. The introduction of the system can complete display of engine information, mud pump state, spray pump state, lubrication pump state, alarm information, system voltage and system air pressure, and complete functions such as power supply control of the power unit, engine operation control, engine throttle, engine emergency stop, coupler control and overpressure reset. The utility model provides a stable and reliable solution for full-speed regulation and full-data remote monitoring of mechanical engines, and also expands the application scenarios of the series of engines.

[0036] The embodiments of the utility model are described in detail in combination with the drawings, but the utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and still fall within the protection scope of the utility model.

Claims

1. A F1000 type mud pump group control system, comprising a mud pump, a gearbox connected to the mud pump, an engine connected to the gearbox, and a water tank connected to the engine, characterized in that: It also includes core controller, speed board and remote control board, mud pump is provided with mud pump pressure sensor, gearbox is provided with speed sensor, engine is provided with oil pressure sensor and water temperature sensor, water tank is provided with water level sensor, mud pump pressure sensor, speed sensor, oil pressure sensor, water temperature sensor, water level sensor, speed board and remote control board are electrically connected with core controller.

2. The F1000 mud pump group control system of claim 1, wherein: The core controller includes display screen M1, PLC controller, several power switches and several output signal relays, the display screen M1, power switches and output signal relays are electrically connected with the PLC controller.

3. The F1000 mud pump group control system of claim 2, wherein: The mud pump, gearbox, engine and water tank are electrically connected with the output signal relay.

4. The F1000 mud pump group control system of claim 1, wherein: The remote control board includes display screen M4 and several remote monitoring switches, the remote monitoring switches are electrically connected with the display screen M4.

5. The F1000 mud pump group control system of claim 1, wherein: The mud pump is connected with a spray pump, the spray pump is provided with a spray pump pressure sensor, and the spray pump pressure sensor is electrically connected with the core controller.

6. The F1000 mud pump group control system of claim 1, wherein: The remote control board is electrically connected with the speed board and core controller through the anti-explosion plug-in.

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