CN113934157A - Electrical simulation experiment table of concrete pump - Google Patents
Electrical simulation experiment table of concrete pump Download PDFInfo
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- CN113934157A CN113934157A CN202111126980.6A CN202111126980A CN113934157A CN 113934157 A CN113934157 A CN 113934157A CN 202111126980 A CN202111126980 A CN 202111126980A CN 113934157 A CN113934157 A CN 113934157A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B17/00—Systems involving the use of models or simulators of said systems
- G05B17/02—Systems involving the use of models or simulators of said systems electric
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Abstract
The invention discloses an electrical simulation experiment table of a concrete pump, which comprises a concrete pump controller, a simulation controller, a display device, an input device, an output indicator lamp, a signal conversion device and an electrical device in an electrical box of the concrete pump, wherein the concrete pump controller is electrically connected with the simulation controller, the input device is electrically connected with the simulation controller through the signal conversion device, the display device and the output indicator lamp are electrically connected with the simulation controller, and the concrete pump controller and the simulation controller are both electrically connected with the electrical device in the electrical box of the concrete pump. The state of the input device and the relevant data of the simulation model of the concrete pump truck are visually seen through the display, so that the running state of the simulation model of the concrete pump truck can be conveniently and visually known in real time. The programmable controller simulates the states of the whole vehicle and the engine, fits the actual working condition and carries out automatic response.
Description
Technical Field
The invention relates to an electrical simulation experiment table of a concrete pump, belonging to the technical field of simulation control.
Background
Before a simulation experiment table is not available, the program of the concrete pump electric control system needs to be verified on a real vehicle. In the prior art, CN102314539B provides a design method of a concrete pump truck simulation system based on modelica language, which performs mathematical modeling and packaging on elements of an element library to obtain an element model library, wherein the basic element model library, a special/key element model library and a component model library form a pumping subsystem and a stability subsystem, the two subsystems transmit data through a coupling interface to form a pump truck system model, the pumping performance and the operation stability of the pump truck are subjected to simulation verification and optimization design by changing performance parameters, and the operation logic of electrically related components of a concrete pump is simulated on a laboratory bench and the state of the whole truck is displayed. For another example, CN108709981B provides a simulation verification apparatus and method for ultra-high pumping of concrete, which can simply and conveniently simulate the determination of rheological parameters of concrete during the pumping process of concrete. CN111310390B provides an intelligent concrete pumping performance prediction method, which comprises the steps of completing an intelligent concrete pumping performance test sequentially through a data acquisition module, a network training module and a prediction application module, predicting concrete pumping in a new working condition by using a trained artificial neural network module, adding real data acquired in the new working condition into an original pumping performance database, and re-operating network training, so that concrete pumping construction in the new working condition is guided by using an artificial neural network with higher accuracy, and CN111539111A provides a concrete pumping performance measurement and control system for a super high-rise building, which comprises a data acquisition module, an input/output end, a cloud storage server and a cloud computing server, wherein the data acquisition module acquires pumping condition data and pumping result data; the input and output ends are used for transmitting the pumping condition data and the pumping result data into the machine equipment and reading the data from the machine equipment, so that data interaction between a human and the machine equipment is realized; the cloud storage server is used for storing the pumping condition data and the pumping result data and forming a cloud database; the cloud computing server comprises a network training module and a prediction application module, wherein the network training module is used for completing artificial neural network training and storing a trained network architecture and parameters in the cloud storage server; and the prediction application module is used for predicting the pumping performance under the new working condition and making a pumping construction scheme.
Based on the above, the concrete pump can also debug most control logic under the condition of no real vehicle. But existing logic tests only access input and output, and signals are input by manual adjustment. The most problems of the control program cannot be visually displayed, and the prior art lacks a device for visually displaying an output result, so that the statistics of experimenters is inconvenient.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an electrical simulation experiment table of a concrete pump.
In order to achieve the purpose, the invention provides an electrical simulation experiment table of a concrete pump, which comprises a concrete pump controller, a simulation controller, a display device, an input device, an output indicator light, an output execution element, a signal conversion device and an electrical device in a concrete pump electrical box, wherein the concrete pump controller is electrically connected with the simulation controller, a switch for controlling the action of concrete pump equipment in the input device is connected to the concrete controller, and switches for adjusting a hydraulic system, a power system and an external conveying pipe system of a whole vehicle in the input device are connected to the simulation controller. The output signal of the simulation controller is electrically connected with the concrete pump controller through the signal conversion device, the concrete pump display screen, the output indicator light, the output execution element and the equipment device in the concrete pump electrical box are electrically connected with the concrete pump controller, and the simulation display screen is electrically connected with the simulation controller.
Preferably, the display device comprises a first display screen and a second display screen, the first display screen is connected with the concrete pump controller, and the second display screen is electrically connected with the simulation controller.
Preferably, the input means includes an on-off quantity input button and an analog quantity input knob.
Preferably, the analog input knobs include a pressure sensor signal input knob, a hydraulic temperature sensor signal input knob, an oil level sensor signal input knob, a displacement adjustment input knob, a throttle input knob, an engine speed adjustment knob, a pump outlet pressure adjustment knob, and a pumping pressure knob.
Preferably, the switching value input buttons include a positive and negative pump switch, an engine start and stop switch and a fan switch, a inching forward and backward switch, a piston backward switch, an accelerator plus and minus switch, a near and far control switch, a high and low voltage switch, a swing switch and a lighting switch.
Preferably, the output indicator light comprises a solenoid valve output indicator light.
Preferably, the output executing device comprises an electromagnetic valve, a stepping motor, a fan and an illuminating lamp.
Preferably, the system comprises an installation rack, and the concrete pump controller, the concrete pump display screen, the simulation controller, the simulation display screen, the input device, the output indicator light, the output execution element, the signal conversion device and the equipment device in the concrete pump electrical box are all fixedly installed on the installation rack.
The invention achieves the following beneficial effects:
the state of the input device and the relevant data of the simulation model of the concrete pump truck can be visually seen through the display, so that the running state of the simulation model of the concrete pump truck can be conveniently and visually known in real time.
The programmable controller simulates the states of the whole vehicle and the engine, fits the actual working condition and carries out automatic response. The method has reference value for the actual control process of the concrete pump truck.
The conventional experiment table has no simulation controller and display interface, only signals can be manually input, and the working state can be inferred only through the output port. The special display screen displays the simulated equipment state, so that the state of the whole vehicle can be checked very clearly; and the display can be used as an interactive input device, and parameters in the display can be changed so as to simulate various working conditions.
Drawings
FIG. 1 is a structural view of the present apparatus;
fig. 2 is a flow chart of the present apparatus.
Reference numerals in the drawings, 1-mounting a gantry; 2-concrete pump controller; 3-a first display screen; 4-a controller for simulation; 5-a second display screen; 6-an input device; 7-output indicator light; 8-an output actuator; 9-signal conversion means; 10-a tool box; 11-electric apparatus in the concrete pump electric apparatus box.
Detailed Description
The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The software control part of the device adopts 4 simulation methods recorded in the background technology to output simulation results. The invention is composed of an installation rack, a whole vehicle electrical system, an input/output module, a simulation control system and a signal conversion device. The simulation control system simulates and displays the actual working condition according to the input, and transmits the sensor signal required by the whole vehicle electrical system to the whole vehicle electrical system through the signal conversion device. Thereby realizing a complete flow of actions.
The invention adopts a simulation model of the concrete pump truck, and refers to the following steps: CN 102314539B-a concrete pump truck simulation system design method based on modelica language, CN 108709981B-a concrete ultra-high pumping simulation verification device and method, CN 111310390B-concrete pumping performance intelligent prediction method and CN 111539111A-an ultra-high building concrete pumping performance measurement and control system, the invention does not elaborate the process of constructing a simulation model of a concrete pump in detail;
the displacement input knob is used for controlling the input displacement of the hydraulic plunger pump for pumping, and pwm analog quantity, 0-5v voltage, control signals of the stepping motor, fan output, pumping pressure, pumping speed, pumping pressure fluctuation curve, engine speed, engine water temperature, engine torque, pumping oil consumption, pumping displacement, pumping frequency and pumping frequency are displayed on the first display screen 3; and virtual buttons including an engine selection button, a main pump selection button, a central pump selection button, a pumping height adjusting button, a pumping concrete slump adjusting button, a pumping concrete strength adjusting button, a water temperature adjusting button, an engine rotating speed adjusting button, an engine oil pressure adjusting button, a hydraulic oil temperature adjusting button and a diesel oil level adjusting button, as well as the engine rotating speed, the engine torque, the engine oil consumption, the current power of the engine, the main pump displacement, the main pump power, the running positions of the central pump and the swing cylinder, the outlet pressure and the pumping height are displayed on the second display screen.
Concrete pump controllers are physical devices. The control of the whole concrete pump is controlled by program logic in the concrete pump controller. The concrete pump controller refers to a controller actually used on concrete pump equipment. The simulation controller is a controller which can not place a real vehicle in a laboratory, so that the simulation controller is used for realizing the simulation use of a hydraulic system and an engine system, and can simulate the response of a hydraulic pump and the response of an engine and output some pressure, temperature, rotating speed and torque signals of the equipment. The simulation controller can be understood as the action systems of an engine, a pump, an oil cylinder of a whole vehicle and the like.
The input device 6 comprises a switching value input button and an analog value input knob and is used for realizing actions such as positive pump, negative pump, engine starting and stopping, emergency stop, accelerator increasing and reducing, displacement increasing and reducing, inching forward and backward, oscillating cylinder swinging, stirring forward and backward, a fan, a lighting lamp, piston returning and the like;
the analog input knob comprises a pressure sensor signal input knob, a hydraulic temperature sensor signal input knob, an oil level sensor signal input knob, a displacement adjustment input knob, an accelerator input knob, an engine speed adjusting knob, a pump outlet pressure adjusting knob and a pumping pressure knob. The displacement adjusting input knob inputs 0-5v signals, and the signals are used for controlling the output displacement of the hydraulic plunger pump for pumping after internal operation of the controller.
The switch value input button comprises switches such as a positive pump, a negative pump, an engine start stop, an emergency stop, an accelerator plus-minus, a displacement plus-minus, a inching forward and backward, a tilt cylinder swinging, a stirring positive and negative rotation, a fan, a lighting lamp and a piston return.
The output indicator light 7 responds to the output of the switching value and displays whether the state of the concrete pump controller is normal or not.
7. An output execution element: the device comprises a stepping motor, a fan, an illuminating lamp and the like which are used as executing elements, and is used for judging whether the internal operation logic of the whole vehicle controller is correct or not through the input and output logic corresponding relation.
8. The signal conversion device in the simulation model of the concrete pump converts adjustable signals comprising hydraulic pressure, hydraulic oil temperature, diesel oil level and engine speed into sensor signals which can be identified by the vehicle control unit, wherein the sensor signals comprise hydraulic pressure, hydraulic oil temperature, diesel oil level, engine speed and the like.
The invention comprises a simulation controller and a display screen: the system is used for simulating a hydraulic system and an actuating mechanism of the whole vehicle, which are controlled by an electric system, and an engine ECU and an engine state.
9, tool box: the wire connecting and disassembling device is used for wire connecting and disassembling of electric devices. Under the condition of no whole vehicle, electric devices can be disassembled, and faults can be conveniently checked.
The using process of the invention is embodied by a concrete pump action flow.
As shown in fig. 2, taking the test pumping input and output as an example:
1. and starting a power supply, inputting a vehicle control unit program and a display program, and turning on necessary electric element power supplies (electric elements used by an electric control system of the real vehicle, such as the vehicle control unit, the display, the gps, the remote controller and the like). The embodiment can define the function of each input button and associate the action of the simulation model of the corresponding concrete pump;
2. the engine start-stop switch is started, after the simulation controller receives a starting signal, the engine start-stop, positive pump, negative pump, inching forward, inching backward, oscillating cylinder swing, positive and negative stirring, fan starting, illumination starting and other actions are sequentially executed, the rotating speed, the water temperature, the engine oil pressure, the outlet pressure and the like of the engine can be correspondingly adjusted, the required concrete pump whole-vehicle action is simulated, and meanwhile, the second display screen 3 displays various data of the engine in operation. And the simulation controller transmits the data to the vehicle control unit, and the vehicle control unit considers that the engine is started at the moment and can perform the next action.
3. And starting a pumping pressure knob, and checking the state of each switching value of the whole vehicle through an output indicator light 7 after the vehicle controller receives a positive pump switch input signal. At this time, if the logic is correct, the simulation controller 4 calculates the pumping speed, the pumping pressure and the like according to the input displacement of the adjustable input hydraulic plunger pump for pumping, the engine speed, the pumping outlet pressure and the like, converts the signals into sensor signals through a signal conversion device and feeds the sensor signals back to the vehicle control unit. Meanwhile, the first display screen 3 displays the pumping state and the engine state of the whole vehicle.
Through the process, whether the input and output logics are correct and whether all states of the whole vehicle are normal during pumping can be detected.
And if the states of the output indicator lamps 7, the whole logic control process and the related data displayed on the first display screen 3 are normal, executing the next action until all actions needing to be tested are finished, otherwise, modifying the program of the whole vehicle controller, and retesting the abnormal actions again.
The whole logic control process comprises the steps that a positive pump switch is pressed down, a vehicle control unit receives a positive pump input command, logic operation is carried out in a program, a current signal of a displacement electromagnetic valve of the hydraulic plunger pump is output according to a current displacement set value, and meanwhile an output electric signal is sent to an engine (which is simulated by a simulation controller) to increase the rotating speed. After receiving the rotating speed adjusting instruction of the vehicle control unit, the simulation controller processes an internal program to output a rotating speed signal, and the rotating speed signal can be converted into a readable signal type of the vehicle control unit through the signal conversion module.
Modifying the program of the vehicle control unit comprises the following steps: if the corresponding indicator lights appear after the positive pump and are not consistent with the actual corresponding table, the logic in the program is checked, and the logic is changed to output.
Simulated actual pumping pressure. The current pumping output pressure of the concrete pump can be adjusted through the knob, and the simulation controller simulates the working conditions such as the engine speed, the engine torque, the engine oil consumption and the like under the working condition according to the current pressure. And simulating the working conditions of pumping speed, pumping pressure fluctuation and the like according to the displacement provided by the vehicle control unit.
The installation rack can be a desk, the electric device 11 in the concrete pump electric box is a large electric device which plays an auxiliary role on the concrete equipment and comprises a relay board, a GPS (global positioning system), a wiring terminal and the like, the concrete pump controller 2, the first display screen 3, the controller 4 for simulation, the second display screen 5, the input device 6, the output indicator lamp 7, the output execution element 8, the signal conversion device 9, the tool box 10 and the electric device 11 in the concrete pump electric box have a plurality of types which can be adopted in the prior art, and a person skilled in the art can select a proper type according to actual requirements.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides an electric simulation experiment platform of concrete pump, characterized in that, including concrete pump controller (2), concrete pump display screen (3), controller (4) for the simulation, display screen (5) for the simulation, input device (6), output pilot lamp (7), signal conversion equipment (9) and concrete pump electrical box in equipment device (11), controller (4) for the simulation are connected to concrete pump controller (2) electricity, the switch of controlling concrete pump equipment action in input device (6) is connected to the concrete controller, the switch of adjusting whole car hydraulic system, driving system and external conveying pipe system in input device (6) is connected as for the controller for the simulation.
2. The output signal of the simulation controller is electrically connected with the concrete pump controller (4) through the signal conversion device (9), the concrete pump display screen (3) and the output indicator light (7) are electrically connected with the concrete pump controller through the equipment device (11) in the concrete pump electrical appliance box, and the simulation display screen (3) is electrically connected with the simulation controller (4).
3. The electrical simulation test bench of a concrete pump according to claim 1,
the display device comprises a first display screen (3) and a second display screen (5), the first display screen (3) is connected with the concrete pump controller (2), and the second display screen (5) is electrically connected with the simulation controller (4).
4. The electrical simulation test bench of a concrete pump according to claim 1,
the input device comprises an on-off input button and an analog input knob.
5. The electrical simulation test bench of a concrete pump according to claim 3,
the analog quantity input knob comprises a pressure sensor signal input knob, a hydraulic temperature sensor signal input knob, an oil level sensor signal input knob, a displacement adjustment input knob, a pump outlet pressure adjustment knob and a pumping pressure knob.
6. The electrical simulation test bench of a concrete pump according to claim 3,
the switching value input button comprises a positive and negative pump switch, an engine start and stop switch, a fan switch, a inching forward and backward switch, a piston backward switch, an accelerator plus and minus switch, a near and far control switch, a high and low voltage switch, a swing switch and a lighting switch.
7. The electrical simulation test bench of a concrete pump according to claim 1,
the output equipment (7) comprises an electromagnetic valve output indicator lamp, an electromagnetic valve, a stepping motor, a fan indicator lamp and an illumination indicator lamp.
8. The electrical simulation test bench of a concrete pump according to claim 1,
the device comprises an installation rack (1), a concrete pump controller (2), a concrete pump display screen (3), a controller (4) for simulation, a display screen (5) for simulation, an input device (6), an output device (7), a signal conversion device (9), a concrete pump electrical box internal equipment device (11), the concrete pump controller (2), the controller (4) for simulation, the display device, the input device (6), an output indicator lamp (7), the signal conversion device (9) and the concrete pump electrical box internal electrical device (11) are all fixedly installed on the installation rack (1).
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| CN202111126980.6A CN113934157A (en) | 2021-09-26 | 2021-09-26 | Electrical simulation experiment table of concrete pump |
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| CN202111126980.6A CN113934157A (en) | 2021-09-26 | 2021-09-26 | Electrical simulation experiment table of concrete pump |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101081402B1 (en) * | 2011-06-10 | 2011-11-08 | 케이티엠지 주식회사 | Testing device of estimating performance of concrete pumping |
| CN203941399U (en) * | 2014-06-19 | 2014-11-12 | 中国海洋石油总公司 | The emulation winch control desk reclaiming is installed for underwater production facility |
| CN104535337A (en) * | 2014-12-18 | 2015-04-22 | 吉林大学 | Hydraulic hybrid vehicle simulation test bed |
| CN110910697A (en) * | 2019-07-10 | 2020-03-24 | 中国人民解放军陆军工程大学 | Maintenance training platform for engine electric control system of armored vehicle diesel engine |
| CN112213958A (en) * | 2020-10-24 | 2021-01-12 | 济宁学院 | Electro-hydraulic control comprehensive simulation test platform |
-
2021
- 2021-09-26 CN CN202111126980.6A patent/CN113934157A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101081402B1 (en) * | 2011-06-10 | 2011-11-08 | 케이티엠지 주식회사 | Testing device of estimating performance of concrete pumping |
| CN203941399U (en) * | 2014-06-19 | 2014-11-12 | 中国海洋石油总公司 | The emulation winch control desk reclaiming is installed for underwater production facility |
| CN104535337A (en) * | 2014-12-18 | 2015-04-22 | 吉林大学 | Hydraulic hybrid vehicle simulation test bed |
| CN110910697A (en) * | 2019-07-10 | 2020-03-24 | 中国人民解放军陆军工程大学 | Maintenance training platform for engine electric control system of armored vehicle diesel engine |
| CN112213958A (en) * | 2020-10-24 | 2021-01-12 | 济宁学院 | Electro-hydraulic control comprehensive simulation test platform |
Non-Patent Citations (1)
| Title |
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| 张显库, 任光, 朱利民: "一种微机数字与模拟混合仿真技术及应用", 内燃机车, no. 09, pages 44 - 47 * |
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