Hydraulic control combined test device

Abstract

The utility model discloses a hydraulic control combined test device, which comprises a module integrated board, an MCU main chip, an RS232 communication interface module, an RS422 communication interface module, a CAN communication interface module, a voltage / current signal module and a DC power supply module are arranged on the module integrated board, and the DC power supply module supplies power to each element on the module integrated board; the MCU main chip is used for simulating operation data signals of an angle encoder, a stay wire sensor, a horizontal sensor, a force sensor, an oil pressure sensor and a hydraulic equipment upper computer which are in combined communication with hydraulic control. The hydraulic control combination test device disclosed by the utility model can simulate operation data and signals of the hydraulic equipment upper computer and various sensors, meets the working requirements of the hydraulic control combination, enables the hydraulic control combination to operate in the test cabinet, achieves the purpose of independently carrying out environment test on the hydraulic control combination, and improves the test efficiency. And the accuracy of hydraulic control combination environment test results is ensured, and the practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic control combined test, and particularly relates to a hydraulic control combined test device. Background Technique

[0002] The hydraulic control combination is the main control component of the hydraulic equipment, responsible for coordinating and controlling various operations and movements inside the hydraulic equipment to achieve the expected actions of the equipment. At the same time, it closely cooperates with the electrical control components and the sensor feedback system to monitor the equipment status in real time and adjust the control strategy to ensure that the hydraulic equipment operates in an efficient, stable and safe state. It is the key to the precise control and automatic operation of the equipment. The environmental test of the hydraulic control combination is an important means to evaluate its performance, reliability and durability under different environmental conditions. These tests usually include multiple aspects such as temperature test, vibration test, pressure test, etc., to ensure that the hydraulic control combination can work stably in various extreme or complex environments.

[0003] However, due to the large size and weight of the hydraulic equipment, the sensors for signal acquisition installed on it are distributed at various positions, and the size of the environmental test cabinet on the test bench is small. When conducting environmental tests on the hydraulic combination, the hydraulic equipment and various sensors cannot follow the hydraulic control combination into the test cabinet for testing, which affects the accuracy of the test results of the hydraulic control combination. Therefore, those skilled in the art provide a hydraulic control combined test device to solve the problems raised in the above background technique. Content of the Utility Model

[0004] The purpose of the utility model is to provide a hydraulic control combined test device to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A hydraulic control combination test device comprises: a module integrated board, on which an MCU main chip, an RS232 communication interface module, an RS422 communication interface module, a CAN communication interface module, a voltage / current signal module and a DC power supply module are arranged, wherein the DC power supply module supplies power to each component on the module integrated board; the MCU main chip is used to simulate the operation data signals of the angle encoder, the wire sensor, the level sensor, the force sensor, the oil pressure sensor and the hydraulic equipment host computer that communicate with the hydraulic control combination; the RS232 communication interface module is used for the communication between the MCU main chip and the test bench host computer, and receives the instructions of the test bench host computer, and transmits the instructions to the MCU main chip; the RS422 communication interface module is used to receive the operation data signals of the hydraulic equipment host computer that communicates with the hydraulic control combination simulated by the MCU main chip, and transmits the hydraulic The instructions of the equipment host computer are transmitted to the hydraulic control combination located in the test cabinet; the CAN communication interface module and the voltage / current signal module are used to receive the operating data of the angle encoder, wire sensor, horizontal sensor, force sensor, and oil pressure sensor simulated by the MCU main chip, and transmit the operating data of the angle encoder, wire sensor, horizontal sensor and the voltage / current signals of the force sensor and oil pressure sensor to the hydraulic control combination located in the test cabinet; the hydraulic control combination receives the operating data of the angle encoder, wire sensor, horizontal sensor and the voltage / current signals of the force sensor and oil pressure sensor as well as the instructions of the hydraulic equipment host computer, and feeds back its own operating status data to the MCU main chip. The MCU main chip feeds back the operating status data of the hydraulic control combination to the test bench host computer and displays it on the display screen in the test bench host computer.

[0007] Preferably, a USB interface is provided on the MCU main chip, an external storage is installed on the USB interface, and the external storage reads and transfers the operating status data of the hydraulic control combination on the module integrated board.

[0008] Preferably, a clock chip is externally connected to the MCU main chip, and the clock chip is used to record the storage time of the operating status data of the hydraulic control combination.

[0009] Preferably, the RS422 communication interface module is provided with an RS422 interface and a converter, and the converter is installed on the RS422 interface and connected to the hydraulic control assembly via an RS422 bus.

[0010] Preferably, a CAN controller and a CAN transceiver are provided on the CAN communication interface module, and the CAN controller is connected to the hydraulic control assembly via a CAN bus on the CAN transceiver.

[0011] Preferably, the MCU main chip is a STM32F103ZET6 chip.

[0012] Preferably, a power input interface is provided on the DC power module, and a power adapter is provided on the power input interface.

[0013] Compared with the prior art, the advantages of the present utility model are as follows: The hydraulic control combined test device proposed in this application integrates the MCU main chip, RS232 communication interface module, RS422 communication interface module, CAN communication interface module, voltage / current signal module, and DC power module on the module integration board. The DC power module supplies power to each component on the module integration board, enabling the MCU main chip to receive instructions from the test upper computer through the RS232 communication interface module, simulate the operating data signals of the angle encoder, wire-pulling sensor, horizontal sensor, force sensor, oil pressure sensor, and the upper computer of the hydraulic equipment that communicate with the hydraulic control combination, and transmit the operating data signals of the angle encoder, wire-pulling sensor, horizontal sensor, force sensor, oil pressure sensor, and the upper computer of the hydraulic equipment to the hydraulic control combination through the RS422 communication interface module, CAN communication interface module, and voltage / current signal module, meeting the working requirements of the hydraulic control combination. The hydraulic control combination operates in the test cabinet, avoiding the situation where various sensors on the hydraulic equipment cannot enter the test cabinet with the hydraulic control combination due to the large size of the hydraulic equipment, achieving the purpose of separately conducting environmental tests on the hydraulic control combination, ensuring the accuracy of the environmental test results of the hydraulic control combination, and having strong practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 FIG. is a schematic structural diagram of a module integration board according to an embodiment of the present utility model;

[0015] Figure 2 FIG. is a flow block diagram of a hydraulic control combined test according to an embodiment of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0016] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality of" is two or more. In addition, the term "comprising" and any of its variations are intended to cover non-exclusive inclusion.

[0017] Combined with Figure 1 and Figure 2 As shown, an MCU main chip, an RS232 communication interface module, an RS422 communication interface module, a CAN communication interface module, a voltage / current signal module, and a DC power supply module are provided on the module integration board. Among them, the DC power supply module supplies power to each component on the module integration board; a power input interface is provided on the DC power supply module, and a power adapter is provided on the power input interface; the current voltage that can enter the power input interface through the power adapter can be converted so that the voltage entering the module integration board is adapted to each component thereon, ensuring the use of the module integration board.

[0018] In one embodiment, the MCU main chip is used to simulate the operating data signals of an angle encoder, a wire rope sensor, a level sensor, a force sensor, an oil pressure sensor, and a hydraulic equipment upper computer that communicate with the hydraulic control combination; by simulating the operating data signals of the angle encoder, the wire rope sensor, the level sensor, the force sensor, the oil pressure sensor, and the hydraulic equipment upper computer that communicate with the hydraulic control combination, and transmitting the operating data signals of the angle encoder, the wire rope sensor, the level sensor, the force sensor, the oil pressure sensor, and the hydraulic equipment upper computer to the hydraulic control combination, the working requirements of the hydraulic control combination are met, enabling the hydraulic control combination to operate in the test cabinet, avoiding the situation where due to the large size of the hydraulic equipment, it and various sensors thereon cannot follow the hydraulic control combination into the test cabinet for testing, achieving the purpose of separately conducting an environmental test on the hydraulic control combination, with strong practicability.

[0019] In one embodiment, the RS232 communication interface module is used for the communication between the MCU main chip and the test bench host computer, receiving the instructions from the test bench host computer and transmitting the instructions to the MCU main chip; the MCU main chip communicates with the test bench host computer through the RS232 communication interface module, enabling the MCU main chip to receive the instructions from the test bench host computer and run, simulating the operation data signals of the angle encoder, wire-pulling sensor, horizontal sensor, force sensor, oil pressure sensor, and the hydraulic equipment host computer that communicate with the hydraulic control combination, sending the operation data of various sensors and the hydraulic equipment host computer to the hydraulic control combination to meet the working requirements of the hydraulic control combination, allowing the hydraulic control combination to run in the test cabinet, receiving the operation status data of the hydraulic control combination, uploading the operation status data of the hydraulic control combination to the test bench host computer, and displaying it on the display screen in the test bench host computer, enabling the test personnel to observe the changes in the operation status of the hydraulic control combination, thereby determining whether the hydraulic control combination is affected by the harsh environment, achieving the purpose of conducting an environmental test on the hydraulic control combination alone, and ensuring the accuracy of the environmental test results of the hydraulic control combination.

[0020] In one embodiment, the RS422 communication interface module is used for receiving the operation data signals of the hydraulic equipment host computer that simulates the communication with the hydraulic control combination by the MCU main chip, and transmitting the instructions of the hydraulic equipment host computer to the hydraulic control combination located in the test cabinet; the RS422 communication interface module transmits the operation data signals of the hydraulic equipment host computer that simulates the communication with the hydraulic control combination by the MCU main chip and its instructions to the hydraulic control combination, allowing the hydraulic control combination to run according to the instructions of the hydraulic equipment host computer, and feeding back its own operation status data to the hydraulic equipment host computer, that is, the hydraulic control combination feeds back its own operation status data to the MCU main chip, thereby realizing the simulation of the connection between the hydraulic control combination and the hydraulic equipment host computer, and facilitating the monitoring of the operation status of the hydraulic control combination.

[0021] In one embodiment, an RS422 interface and a converter are provided on the RS422 communication interface module, and the converter is installed on the RS422 interface and connected to the hydraulic control combination through the RS422 bus; by setting a converter on the RS422 interface, the RS422 interface can be converted into a USB interface through the converter, meeting the connection of different interfaces on the hydraulic control combination, and having strong practicability.

[0022] In one embodiment, the CAN communication interface module and the voltage / current signal module are used to receive the operation data of the angle encoder, wire-pulling sensor, horizontal sensor, force sensor, and oil pressure sensor simulated by the MCU main chip, and transmit the operation data of the angle encoder, wire-pulling sensor, and horizontal sensor, as well as the voltage / current signals of the force sensor and oil pressure sensor to the hydraulic control assembly located in the test cabinet; the operation data of the angle encoder, wire-pulling sensor, and horizontal sensor, as well as the voltage / current signals of the force sensor and oil pressure sensor can be transmitted to the hydraulic control assembly located in the test cabinet through the CAN communication interface module and the voltage / current signal module, realizing the simulation of the connection between the hydraulic control assembly and various sensors, enabling the hydraulic control assembly to sense the working states of various sensors, meeting the operation requirements of the hydraulic control assembly, and further improving the authenticity of the operation of the hydraulic control assembly.

[0023] In one embodiment, a USB interface is provided on the MCU main chip, and an external storage device is installed on the USB interface. The external storage device reads and transfers the operation status data of the hydraulic control assembly on the module integration board. Moreover, a clock chip is externally connected to the MCU main chip, and the clock chip is used to record the storage time of the operation status data of the hydraulic control assembly; when reading and transferring the operation status data of the hydraulic control assembly, the external storage device can be directly plugged into the USB interface to transfer the operation status data of the hydraulic control assembly stored in real time on the MCU main chip, replacing the reading device of the operation status data of the hydraulic control assembly, avoiding the trouble of only being able to read and convert the operation status data of the hydraulic control assembly back to the display screen on the test bench host computer through the MCU main chip, increasing the flexibility and versatility of data storage, and facilitating the later viewing of the operation status data of the hydraulic control assembly.

[0024] The working principle of the present utility model is as follows: The MCU main chip can receive the instructions from the test bench host computer through the RS232 communication interface module, simulate the operation data signals of the angle encoder, wire-pulling sensor, horizontal sensor, force sensor, oil pressure sensor, and hydraulic equipment host computer that communicate with the hydraulic control assembly, and transmit the operation data signals of the angle encoder, wire-pulling sensor, horizontal sensor, force sensor, oil pressure sensor, and hydraulic equipment host computer to the hydraulic control assembly through the RS422 communication interface module, CAN communication interface module, and voltage / current signal module, meeting the working requirements of the hydraulic control assembly, enabling the hydraulic control assembly to operate in the test cabinet, avoiding the situation that due to the large size of the hydraulic equipment, it and various sensors on it cannot follow the hydraulic control assembly into the test cabinet for testing, achieving the purpose of separately conducting environmental tests on the hydraulic control assembly, ensuring the accuracy of the environmental test results of the hydraulic control assembly, and having strong practicability.

[0025] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, making equivalent substitutions or changes should be covered within the protection scope of the present utility model.

Claims

1. A hydraulic control combined test device, comprising: Module integrated board, characterized in that an MCU main chip, an RS232 communication interface module, an RS422 communication interface module, a CAN communication interface module, a voltage / current signal module and a DC power module are arranged on the module integrated board. Among them, the DC power module supplies power to each component on the module integrated board; the MCU main chip is used to simulate the operating data signals of an angle encoder, a wire-pulling sensor, a horizontal sensor, a force sensor, an oil pressure sensor and a hydraulic equipment host computer for communication with the hydraulic control combination; the RS232 communication interface module is used for the communication between the MCU main chip and the test host computer, receives the instructions of the test host computer, and transmits the instructions to the MCU main chip; the RS422 communication interface module is used to receive the operating data signals of the hydraulic equipment host computer for communication with the hydraulic control combination simulated by the MCU main chip, and conveys the instructions of the hydraulic equipment host computer to the hydraulic control combination located in the test cabinet; the CAN communication interface module and the voltage / current signal module are used to receive the operating data of the angle encoder, wire-pulling sensor, horizontal sensor, force sensor and oil pressure sensor simulated by the MCU main chip, and convey the operating data of the angle encoder, wire-pulling sensor, horizontal sensor and the voltage / current signals of the force sensor and oil pressure sensor to the hydraulic control combination located in the test cabinet; the hydraulic control combination receives the operating data of the angle encoder, wire-pulling sensor, horizontal sensor and the voltage / current signals of the force sensor and oil pressure sensor and the instructions of the hydraulic equipment host computer to operate, and feeds back its own operating status data to the MCU main chip. The MCU main chip feeds back the operating status data of the hydraulic control combination to the test host computer and displays it on the display screen in the test host computer.

2. The hydraulic control combined test device according to claim 1, characterized in that A USB interface is arranged on the MCU main chip, and an external storage device is installed on the USB interface. The external storage device reads and transfers the operating status data of the hydraulic control combination on the module integrated board.

3. The hydraulic control combined test device according to claim 1, wherein, A clock chip is externally connected to the MCU main chip, and the clock chip is used to record the storage time of the operating status data of the hydraulic control combination.

4. A hydraulic control combined test device according to claim 1, characterized in that, An RS422 interface and a converter are arranged on the RS422 communication interface module. The converter is installed on the RS422 interface and is connected to the hydraulic control combination through the RS422 bus.

5. The hydraulic control combined test device according to claim 1, characterized in that A CAN controller and a CAN transceiver are arranged on the CAN communication interface module. The CAN controller is connected to the hydraulic control combination through the CAN bus on the CAN transceiver.

6. The hydraulic control combined test device according to claim 1, characterized in that, The MCU main chip is an STM32F103ZET6 chip.

7. A hydraulic control combined test device according to claim 1, characterized in that, A power input interface is arranged on the DC power module, and a power adapter is arranged on the power input interface.

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