CN219658037U - Embedded controller for controlling hydraulic pump station - Google Patents
Embedded controller for controlling hydraulic pump station Download PDFInfo
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- CN219658037U CN219658037U CN202320932573.2U CN202320932573U CN219658037U CN 219658037 U CN219658037 U CN 219658037U CN 202320932573 U CN202320932573 U CN 202320932573U CN 219658037 U CN219658037 U CN 219658037U
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- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The utility model relates to an embedded controller for controlling a hydraulic pump station, which is characterized by comprising a main control board, a plurality of IO expansion boards and a plurality of AO expansion boards, wherein a CPU unit and a power supply unit on the main control board are connected with the IO expansion boards and the AO expansion boards; the IO expansion board is provided with a digital signal input expansion unit and a digital signal output expansion unit; the AO expansion board is provided with an analog signal output expansion unit. The utility model provides an embedded controller for controlling a hydraulic pump station and a jack, which is used for replacing a currently used PLC controller, and can improve the integration level of a control system of the hydraulic pump station, enhance the anti-interference performance, reduce the failure rate and reduce the cost of the control system.
Description
Technical Field
The utility model relates to an embedded controller which is used for controlling a hydraulic pump station and a hydraulic jack and is applied to the field of industrial hoisting.
Background
The control of the traditional hydraulic pump station and the jack adopts PLC control. Because the outdoor environment is complicated, the PLC module is easy to fail under the influence of surge, common mode interference and the like. In addition, the wide-temperature type PLC has long purchase period and high price, and can not directly drive the hydraulic electromagnetic valve, so that peripheral elements such as a driving module or a relay and the like are added to control the hydraulic pump station.
Disclosure of Invention
The purpose of the utility model is that: the PLC and peripheral control elements thereof are replaced by an embedded controller.
In order to achieve the above purpose, the technical scheme of the utility model is to provide an embedded controller for controlling a hydraulic pump station, which is characterized by comprising a main control board, a plurality of IO expansion boards and a plurality of AO expansion boards, wherein:
the main control board is provided with a CPU unit which is connected with an analog signal input unit, a digital signal input unit, a CAN transceiver and a digital signal output unit which are also arranged on the main control board, and a power supply unit arranged on the main control board supplies power for the analog signal input unit, the digital signal input unit, the CAN transceiver, the digital signal output unit and the CPU unit; the control main board is also provided with a CAN interface, a digital signal input interface, a digital signal output interface and an analog signal input interface, wherein the CAN interface is connected with the CAN transceiver, the digital signal input interface is connected with the digital signal input unit, the digital signal output interface is connected with the digital signal output unit, and the analog signal input interface is connected with the analog signal input unit; the CPU unit and the power supply unit on the main control board are connected with the IO expansion board and the AO expansion board;
the IO expansion board is provided with a digital signal input expansion unit and a digital signal output expansion unit, the digital signal input expansion unit and the digital signal output expansion unit are connected with a CPU unit on the main control board, and the power supply unit on the main control board supplies power for the digital signal input expansion unit and the digital signal output expansion unit; the IO expansion board is also provided with a digital signal input expansion interface and a digital signal output expansion interface, the digital signal input expansion interface is connected with the digital signal input expansion unit, and the digital signal output expansion interface is connected with the digital signal output expansion unit;
the AO expansion board is provided with an analog signal output expansion unit, the analog signal output expansion unit is connected with a CPU unit on the main control board, and a power supply unit on the main control board supplies power for the analog signal output expansion unit; the AO expansion board is also provided with an analog signal output expansion interface connected with the analog signal output expansion unit.
Preferably, the CPU unit is a 32-bit industrial-level DSP processor.
The utility model provides an embedded controller for controlling a hydraulic pump station and a jack, which is used for replacing a currently used PLC controller, and can improve the integration level of a control system of the hydraulic pump station, enhance the anti-interference performance, reduce the failure rate and reduce the cost of the control system.
Drawings
FIG. 1 is a block diagram of a modular design of an embedded controller for hydraulic pump station control provided by the present utility model;
fig. 2 is a software system block diagram.
Detailed Description
The utility model will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Furthermore, it should be understood that various changes and modifications can be made by one skilled in the art after reading the teachings of the present utility model, and such equivalents are intended to fall within the scope of the utility model as defined in the appended claims.
As shown in fig. 1, an embedded controller for controlling a hydraulic pump station disclosed in this embodiment includes an IO expansion board, a main control board, and an AO expansion board.
The main control board is provided with a CPU unit, and the CPU unit selects a 32-bit industrial-level DSP processor, in this embodiment, a TI brand 32-bit DSP TMS320F28335 chip is adopted. The processor has the following advantages: large-scale integration, good stability, high precision, programmability, high-speed performance, embeddability, interface and integration convenience.
The main control board is also provided with an analog signal input unit, a digital signal input unit, a power supply unit, a CAN transceiver and a digital signal output unit. The power supply unit supplies power to the analog signal input unit, the digital signal input unit, the CAN transceiver, the digital signal output unit and the CPU unit. The CPU unit is respectively connected with the analog signal input unit, the digital signal input unit, the CAN transceiver and the digital signal output unit. The control main board is also provided with a CAN interface, a digital signal input interface, a digital signal output interface and an analog signal input interface, wherein the CAN interface is connected with the CAN transceiver, the digital signal input interface is connected with the digital signal input unit, the digital signal output interface is connected with the digital signal output unit, and the analog signal input interface is connected with the analog signal input unit.
The embodiment adopts CAN bus communication, and has the advantages of strong anti-interference capability, high stability, easy on-site connection and wiring, and the like. Specifically, the CAN transceiver adopts an ADI ADM3053 CAN transceiver with 2.5kV rms signal and power isolation and high common mode transient immunity>An air discharge tube BOURNS 2035-09 is arranged at the interface of 25 kV/mu s, and the impulse discharge current reaches 10KA (8/20 mu s) 2 )。
The IO expansion board is provided with a digital signal input expansion unit and a digital signal output expansion unit, and the power supply unit on the main control board supplies power to the digital signal input expansion unit and the digital signal output expansion unit. The digital signal input expansion unit and the digital signal output expansion unit are connected with the CPU unit on the main control board. The IO expansion board is also provided with a digital signal input expansion interface and a digital signal output expansion interface, the digital signal input expansion interface is connected with the digital signal input expansion unit, and the digital signal output expansion interface is connected with the digital signal output expansion unit.
The AO expansion board is provided with an analog signal output expansion unit, the power supply unit on the main control board supplies power to the analog signal output expansion unit, and the analog signal output expansion unit is connected with the CPU unit on the main control board. The AO expansion board is also provided with an analog signal output expansion interface which is connected with the analog signal output expansion unit. The analog signal output adopts MOS drive, can directly drive the electromagnetic valve, improves the integration level of a control system, reduces the failure rate of the system, and has the functions of input electrostatic protection, automatic restarting after thermal shutdown, overload protection, short-circuit protection, overvoltage protection and current limitation.
The CAN interface, the digital signal input interface, the digital signal output interface, the analog signal input interface, the digital signal input expansion interface, the digital signal output expansion interface and the analog signal output expansion interface adopt a communication interface design with high anti-interference performance, so that the failure rate of a control system is greatly reduced.
The technical scheme adopts a modularized design, and the cost performance of the controller is improved by increasing and decreasing the expansion plates aiming at different types of pump stations. In the embodiment, the control of the hydraulic pump station driven by the 1-to-4 different pump stations, the switch control hydraulic pump station, the proportional control hydraulic pump station and the frequency converter is realized through the control main board and the optional expansion board. By selecting the expansion board, the cost performance of the controller is improved.
In the technical scheme, the industrial wide temperature range embedded processor and the electronic component are adopted. All the elements meet the working temperature range of-40 ℃ to 85 ℃ and ensure that the controller meets the control requirement of the hydraulic pump station in a low-temperature environment.
The embedded software of the controller has powerful control function, and the control software of the hydraulic pump station of the controller CAN independently realize the on-site operation control of the hydraulic pump station, and CAN also communicate with the central control software through the CAN bus communication interface to realize remote control.
The embedded software of the controller is simple to upgrade and maintain and consists of two parts, namely Bootloader software and hydraulic pump station control software. The central control software automatically communicates with the Bootloader software through the CAN bus to update and upgrade the control software of the hydraulic pump station.
The controller software consists of two parts, namely Bootloader software and hydraulic pump station control software, and according to different types of hydraulic pump stations, the embedded control software of the corresponding controller CAN be selected from DL-P40 software (computer central control software), the embedded control software is communicated with the Bootloader software of the controller through a CAN bus, and the on-line update of the embedded control software of the controller is realized. Because the embedded control software of the controller is convenient to update, on-site operators can operate and realize the controller, and a large amount of after-sales service software professional maintenance cost is saved. It should be noted that Bootloader software and hydraulic pump station control software in the present utility model are conventional software well known to those skilled in the art, and are not an innovation of the present utility model.
Claims (2)
1. An embedded controller for hydraulic power unit control, which is characterized by comprising a main control board, a plurality of IO expansion boards and a plurality of AO expansion boards, wherein:
the main control board is provided with a CPU unit which is connected with an analog signal input unit, a digital signal input unit, a CAN transceiver and a digital signal output unit which are also arranged on the main control board, and a power supply unit arranged on the main control board supplies power for the analog signal input unit, the digital signal input unit, the CAN transceiver, the digital signal output unit and the CPU unit; the control main board is also provided with a CAN interface, a digital signal input interface, a digital signal output interface and an analog signal input interface, wherein the CAN interface is connected with the CAN transceiver, the digital signal input interface is connected with the digital signal input unit, the digital signal output interface is connected with the digital signal output unit, and the analog signal input interface is connected with the analog signal input unit; the CPU unit and the power supply unit on the main control board are connected with the IO expansion board and the AO expansion board;
the IO expansion board is provided with a digital signal input expansion unit and a digital signal output expansion unit, the digital signal input expansion unit and the digital signal output expansion unit are connected with a CPU unit on the main control board, and the power supply unit on the main control board supplies power for the digital signal input expansion unit and the digital signal output expansion unit; the IO expansion board is also provided with a digital signal input expansion interface and a digital signal output expansion interface, the digital signal input expansion interface is connected with the digital signal input expansion unit, and the digital signal output expansion interface is connected with the digital signal output expansion unit;
the AO expansion board is provided with an analog signal output expansion unit, the analog signal output expansion unit is connected with a CPU unit on the main control board, and a power supply unit on the main control board supplies power for the analog signal output expansion unit; the AO expansion board is also provided with an analog signal output expansion interface connected with the analog signal output expansion unit.
2. An embedded controller for hydraulic pump station control according to claim 1, wherein the CPU unit is a 32-bit industrial-scale DSP processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320932573.2U CN219658037U (en) | 2023-04-23 | 2023-04-23 | Embedded controller for controlling hydraulic pump station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320932573.2U CN219658037U (en) | 2023-04-23 | 2023-04-23 | Embedded controller for controlling hydraulic pump station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219658037U true CN219658037U (en) | 2023-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320932573.2U Active CN219658037U (en) | 2023-04-23 | 2023-04-23 | Embedded controller for controlling hydraulic pump station |
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| Country | Link |
|---|---|
| CN (1) | CN219658037U (en) |
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2023
- 2023-04-23 CN CN202320932573.2U patent/CN219658037U/en active Active
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