Electric control system of paver

Abstract

The utility model provides an electric control system of a paver. The electric control system of the paver comprises a distributed driving module, a controller, a main operation panel, a construction panel and a screed panel, the distributed driving modules are arranged at all parts of the paver; the controller is connected with the distributed driving module so as to control the distributed driving module; the main operation panel is connected with the controller, and the main operation panel is used for issuing a paver action instruction to the controller; the construction panel is connected with the controller, the construction panel is used for issuing an adjusting instruction to the controller, and the construction panel is further used for storing the adjusting instruction; the plurality of screed panels are connected with the controller, and the screed panels are used for issuing adjusting instructions to the controller. According to the utility model, the controller is arranged to realize bidirectional transmission of control information, and each driving module is arranged to accurately control the paver, so that the problems of complicated wiring of a main electric control cabinet and difficulty in troubleshooting caused by the fact that the electric control structure adopts a centralized main electric control cabinet to control actions of each part in the prior art are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic control, in particular to an electric control system for a paving machine. Background Art

[0002] The existing electric control system of the paver has advanced performance, is stable and reliable, but the annual quality statistical rate is only 1.8%, which does not completely eliminate the quality problems of the electric control, and will further lead to the delay of the equipment shutdown project. In addition, the electric control structure of the paver adopts a centralized main electric control cabinet to control the actions of each part, and the detection signals of each part are fed back to the main controller (20) in the main electric control cabinet for processing. The main problem is that the wiring of the main electric control cabinet is complicated, occupies a large space, and the wiring harness needs to be integrated, which is cumbersome and difficult to troubleshoot. Utility Model Content

[0003] The main purpose of the utility model is to provide an electric control system for a paving machine, so as to at least solve the problem in the prior art that the wiring of the main electric control cabinet is complicated and difficult to troubleshoot because the electric control structure adopts a centralized main electric control cabinet to control the actions of various parts.

[0004] In order to achieve the above-mentioned purpose, the utility model provides an electronic control system for a paver, comprising: a distributed drive module, a controller, a main operation panel, a construction panel and an ironing plate panel; the distributed drive module is provided with a plurality of drive modules, and the plurality of drive modules are respectively arranged at various parts of the paver; the controller is connected to the distributed drive module to control the distributed drive module; the main operation panel is connected to the controller, and the main operation panel is used to send paver action instructions to the controller; the construction panel is connected to the controller, and the construction panel is used to send adjustment instructions to the controller, and the construction panel is also used to store adjustment instructions; there are a plurality of ironing plate panels, and the plurality of ironing plate panels are all connected to the controller, and the ironing plate panels are used to send adjustment instructions to the controller.

[0005] Furthermore, the distributed drive module includes: a transfer case drive module, a valve group drive module, a cylinder drive module and an auxiliary function drive module; the transfer case drive module is arranged on the paver transfer case; the valve group drive module is arranged on the multi-way valve block bracket; the cylinder drive module is arranged on the right side of the paver frame; and the auxiliary function drive module is arranged on the right side of the engine.

[0006] Furthermore, the transfer case drive module is also connected to the travel sensor of the paver travel pump, and the transfer case drive module is used for the travel closed-loop control of the travel pump; the transfer case drive module is also used for switching the power output.

[0007] Furthermore, the valve group drive module is connected to the left and right distributors and left and right scrapers of the paver. The valve group drive module is used to drive the forward and reverse rotation of the left and right distributors, and also to drive the forward and reverse rotation of the left and right scrapers; the valve group drive module is also used to control the anti-climbing or floating of the paver ironing plate.

[0008] Furthermore, the oil cylinder drive module is connected to the left and right hopper locks, the left and right ironing plates, the externally controlled ironing plate flashing lights, the left and right leveling mechanisms, the ironing plates and the hopper of the paver for control.

[0009] Furthermore, the auxiliary function driving module is connected to the auxiliary function structure of the paver, and the auxiliary function driving module is used to execute the auxiliary function of the paver.

[0010] Furthermore, the main operation panel and the controller, the construction panel and the controller, and the screed panel and the controller are all connected by CAN bus.

[0011] The utility model discloses an electric control system for a paver, comprising: a distributed drive module, a controller, a main operation panel, a construction panel and a screed panel; the distributed drive module is provided with a plurality of drive modules, and the plurality of drive modules are respectively arranged at various parts of the paver; the controller is connected to the distributed drive module to control the distributed drive module; the main operation panel is connected to the controller, and the main operation panel is used to send the paver action instructions to the controller; the construction panel is connected to the controller, and the construction panel is used to send the adjustment instructions to the controller, and the construction panel is also used to store the adjustment instructions; there are a plurality of screed panels, and the plurality of screed panels are all connected to the controller, and the screed panels are used to send the adjustment instructions to the controller.

[0012] The utility model has the following beneficial effects:

[0013] 1. In the utility model, the distributed drive module in the electronic control system of the paver can realize the reception of input signals, the transmission of output signals, the networking of CAN bus, and has an excellent protection level, which can support the arrangement in the cabin of the paver according to the requirements. At the same time, it has the function of open and short circuit detection, can feedback the line status in real time, and provide better automatic diagnosis function;

[0014] 2. In the utility model, the controller in the electric control system of the paver can display the diagnostic information on the construction panel display in real time, providing good human-computer interaction performance;

[0015] 3. In the utility model, the distributed drive modules in the electronic control system of the paver can be flexibly arranged according to the layout of the hydraulic system, power unit, and sensor. Multiple distributed drive modules can be arranged according to different functions. Each module manages the same type of function and has the characteristics of simple wiring, small overall size and easy layout. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings constituting part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 It is an electric control framework diagram of an electric control system of a paver that can be selected according to an embodiment of the utility model.

[0018] The above drawings include the following reference numerals:

[0019] 10. Distributed drive module; 11. Transfer case drive module; 12. Valve group drive module; 13. Cylinder drive module; 14. Auxiliary function drive module; 20. Controller; 30. Main operation panel; 40. Construction panel; 50. Screed panel. DETAILED DESCRIPTION

[0020] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0021] See also Figure 1 According to an embodiment of the utility model, a paver electric control system includes: a distributed drive module 10, a controller 20, a main operation panel 30, a construction panel 40 and a screed panel 50. The distributed drive module 10 is provided with a plurality of drive modules, and the plurality of drive modules are respectively arranged at various parts of the paver; the distributed drive module can realize the functions of receiving input signals and sending output signals, and can be flexibly arranged according to the layout of the hydraulic system, the power device and the sensor. Such a design makes the wiring in the electric control cabinet simple, and can quickly troubleshoot and improve the stability of the system. The controller 20 is connected to the distributed drive module 10 to control the distributed drive module 10; the controller 20 can display the diagnostic information on the display of the construction panel 40 in real time. The main operation panel 30 is connected to the controller 20, and the main operation panel 30 is used to send the paver action command to the controller 20; the construction panel 40 is connected to the controller 20, and the construction panel 40 is used to send the adjustment command to the controller 20, and the construction panel 40 is also used to store the adjustment command; the construction panel 40 includes a color display screen and action operation buttons during the operation of the paver. The networking of the CAN bus and the excellent protection level can support the layout in the paver cabin as required, and at the same time have the open and short circuit detection function, can feedback the line status in real time, and provide a good automatic diagnosis function. There are multiple screed panels 50, and the multiple screed panels 50 are connected to the controller 20. The screed panels 50 are used to send adjustment instructions to the controller 20. In specific implementation, there are two screed panels 50.

[0022] Preferably, the construction panel 40 is the main control panel for all functions of the paver. It is not only the human-machine interface for the operator, but also includes the setting and storage of operating parameters and the setting of various functions. The screed panel 50 is mainly used to control the extension and retraction of the screed, the forced forward rotation of the scraper, the forced forward rotation of the distributor, the effective range adjustment of the ultrasonic level meter of the distributor, etc. It is operated instantly by the operators on the left and right sides of the paver according to the on-site conditions during construction. The construction panel 40 and the two screed panels 50 use the same hardware design and configuration. The controller 20 sends different data on CAN1 / CAN2 through the specific ID of the CAN bus to identify the panel function as the construction panel 40 or the screed panel 50.

[0023] Furthermore, by different installation positions and corresponding wiring, it is distinguished into one construction panel 40 and two screed panels 50, and the three can be interchanged. However, in actual construction, it must be ensured that the construction panel 40 is online, and the screed panel 50 can be missing, which will not have a major impact on the construction. Once the construction panel 40 is missing, it will affect the operation of the entire machine.

[0024] In specific implementation, the distributed drive module 10 includes: a transfer case drive module 11, a valve group drive module 12, a cylinder drive module 13 and an auxiliary function drive module 14; the transfer case drive module 11 is arranged on the transfer case of the paver; the valve group drive module 12 is arranged on the multi-way valve block bracket; the cylinder drive module 13 is arranged on the right side of the paver frame; the auxiliary function drive module 14 is arranged on the right side of the engine. The four drive modules are installed in different parts of the paver and connected to the controller 20 through CAN1. Each module manages the same type of function, which can quickly detect faults, and the use of the CAN bus makes the wiring simple, the overall size small and easy to arrange.

[0025] In specific implementation, the transfer case drive module 11 is also connected to the travel sensor of the paver travel pump, and the transfer case drive module 11 is used to control the travel of the travel pump in a closed loop; the transfer case drive module 11 is also used to switch the power output to realize the functions of walking, vibration, and tamping. Furthermore, the transfer case drive module 11 realizes the high-speed and low-speed switching and braking functions of the paver by switching the motor high and low gears.

[0026] During specific implementation, the valve group drive module 12 is connected to the left and right distributors and left and right scrapers of the paver, and by receiving the 210Bar pressure signal, it controls the forward and reverse rotation of the left and right distributors and the forward and reverse rotation of the left and right scrapers; the valve group drive module 12 is also used to control the anti-climbing, floating, loading and unloading of the paver ironing plate.

[0027] During specific implementation, the oil cylinder driving module 13 is connected to the left and right hopper locks, the left and right ironing plates, the externally controlled ironing plate flashing lights, the left and right leveling mechanisms, the ironing plates and the hopper of the paver for control.

[0028] In specific implementation, the auxiliary function driving module 14 is arranged on the right side of the engine, and can receive signals such as the water level alarm switch, the air filter alarm switch, the fuel filter alarm switch, the fuel sensor, the hydraulic oil temperature sensor, the hydraulic oil filter alarm switch, the left scraper limit, the right scraper limit, the generator D+, the floating pressure switch, etc. At the same time, it controls the horn, the cooling fan, the centralized lubrication, and the reversing buzzer. The auxiliary function driving module 14 collects the signals of each sensor and sends them to the controller 20 so that the operator can accurately know the operating status of each part and quickly troubleshoot the fault.

[0029] During specific implementation, the main operation panel 30 and the controller 20 , the construction panel 40 and the controller 20 , and the screed panel 50 and the controller 20 are all connected by CAN bus.

[0030] During specific implementation, the CAN bus is divided into CAN1 and CAN2. The distributed drive module 10, the main operation panel 30 and the construction panel 40 are all connected to the controller 20 through CAN1, and the two screed panels 50 are all connected to the controller 20 through CAN2. The CAN bus can quickly transmit and receive signals and has redundancy and error detection mechanisms, providing strong technical support for the distributed control system to implement reliable data between nodes.

[0031] The electronic control system of the paver of the present invention is provided with a controller 20 to supply power to each distributed drive module 10 and perform bidirectional transmission of detection and control information. Each drive module obtains a signal from the controller 20 through the CAN bus, drives the paver as required, and feeds back its status information, so as to precisely control the paver, thereby improving the flexibility of the electronic control system of the paver, and solving the problem in the prior art that the wiring of the main electric control cabinet is complicated and difficult to troubleshoot because the electric control structure uses a centralized main electric control cabinet to control the actions of each part.

[0032] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An electronic control system for a paving machine, characterized in that: include: A distributed drive module (10), wherein the distributed drive module (10) is provided with a plurality of drive modules, and the plurality of drive modules are respectively arranged at various parts of the paving machine; A controller (20), the controller (20) being connected to the distributed drive module (10) to control the distributed drive module (10); A main operation panel (30), the main operation panel (30) being connected to the controller (20), and the main operation panel (30) being used to send a paver action instruction to the controller (20); A construction panel (40), the construction panel (40) being connected to the controller (20), the construction panel (40) being used to send an adjustment instruction to the controller (20), and the construction panel (40) being also used to store the adjustment instruction; A screed panel (50), wherein there are a plurality of screed panels (50), each of the plurality of screed panels (50) is connected to the controller (20), and the screed panel (50) is used to send the adjustment instruction to the controller (20).

2. The electronic control system of the paver according to claim 1, characterized in that: The distributed drive module (10) comprises: A transfer case drive module (11), wherein the transfer case drive module (11) is arranged in a transfer case of the paving machine; A valve group drive module (12), wherein the valve group drive module (12) is arranged on a multi-way valve block bracket; An oil cylinder driving module (13), wherein the oil cylinder driving module (13) is arranged on the right side of the paving machine frame; An auxiliary function driving module (14), wherein the auxiliary function driving module (14) is arranged on the right side of the engine.

3. The electronic control system of the paving machine according to claim 2, characterized in that: The transfer case drive module (11) is also connected to a travel sensor of a travel pump of the paving machine, and the transfer case drive module (11) is used for closed-loop travel control of the travel pump; the transfer case drive module (11) is also used for switching power output.

4. The electronic control system of the paving machine according to claim 2, characterized in that: The valve group drive module (12) is connected to the left and right distributors and the left and right scrapers of the paver. The valve group drive module (12) is used to drive the forward and reverse rotation of the left and right distributors and the forward and reverse rotation of the left and right scrapers. The valve group drive module (12) is also used to control the anti-climbing or floating of the screed of the paver.

5. The electronic control system of the paving machine according to claim 2, characterized in that: The oil cylinder drive module (13) is connected to the left and right hopper locks, the left and right ironing plates, the externally controlled ironing plate flashing lights, the left and right leveling mechanisms, the ironing plates and the hopper of the paver for control.

6. The electronic control system of a paving machine according to claim 2, characterized in that: The auxiliary function driving module (14) is connected to the auxiliary function structure of the paving machine, and the auxiliary function driving module (14) is used to execute the auxiliary function of the paving machine.

7. The electronic control system of the paving machine according to claim 1, characterized in that: The main operation panel (30) and the controller (20), the construction panel (40) and the controller (20), and the screed panel (50) and the controller (20) are all connected via a CAN bus.

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