Intelligent valve electronic load experiment pre-detection device

Abstract

The utility model discloses an electronic load experiment pre-detection device for an intelligent valve. The electronic load experiment pre-detection device comprises a programmable voltage-stabilized power supply, a control box, the intelligent valve and a positioning tool, the programmable voltage-stabilized power supply is connected with the control box through an RS-to-USB connecting line, and the output end of the control box is connected with the controlled end of the programmable voltage-stabilized power supply; the programmable stabilized voltage supply is connected with the intelligent valve through a power line and supplies power to the intelligent valve; the control box is connected with the intelligent valve through a CAN-to-USB connecting line, and the output end of the control box is connected with the controlled end of the intelligent valve. The intelligent valve is mounted on the positioning tool; the intelligent valve is connected with the programmable stabilized power supply and the control box, the voltage of the programmable stabilized power supply and the opening degree of the intelligent valve are controlled through the control box, test data are monitored in real time, related data are output to a visual curve graph, observation of the data is facilitated, the intelligent valve does not need to be adjusted manually, and the test efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the technical field of electronic load test pre-inspection equipment, specifically to an intelligent valve electronic load test pre-inspection device. Background Technology

[0002] In recent years, with the rapid development of the automotive economy, the production and use of automobiles have increased dramatically. Some car manufacturers' ECUs have too few reserved H-bridge ports to drive the electronic valves. At this time, engine manufacturers need an electronic valve with its own H-bridge to control the opening degree. Therefore, the intelligent valve was born naturally.

[0003] Because smart valves have more control components than traditional non-smart valves, they need to undergo electrical load testing to determine whether they meet the corresponding national or industry standards. However, the differences between each test item in the electrical load test are significant, manual adjustment is troublesome, a lot of time is wasted during the test, and there are also major problems with data recording, making it impossible to generate visual charts.

[0004] Meanwhile, during the test, when performing some high-pressure operations, the valve body was not fixed by a fixing device, which caused the valve body to shake and jump during the test, affecting the relevant test results and related data recording. Summary of the Invention

[0005] The technical problem to be solved by this utility model is to provide a pre-inspection device for intelligent valve electronic load test, which can improve the testing efficiency of intelligent valve electronic load test, display the experimental data of relevant items and output the corresponding curves in the intelligent valve electronic load test, so as to facilitate the observation of experimental data and ensure the accuracy of experimental data.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows.

[0007] A pre-test device for electronic load testing of an intelligent valve includes a programmable voltage regulator, a control box, an intelligent valve, and a positioning fixture. The programmable voltage regulator is connected to the control box via an RS-to-USB cable, and the output of the control box is connected to the controlled end of the programmable voltage regulator. The programmable voltage regulator is connected to the intelligent valve via a power cable and supplies power to the intelligent valve. The control box is connected to the intelligent valve via a CAN-to-USB cable, and the output of the control box is connected to the controlled end of the intelligent valve. The intelligent valve is mounted on the positioning fixture.

[0008] The aforementioned intelligent valve electronic load test pre-inspection device has a control box equipped with a display screen, which includes a display interface, a parameter setting interface, a start operation button, and a save operation button.

[0009] The positioning tool includes a mounting plate and positioning blocks, the mounting plate is made of nylon material, and a plurality of mounting holes corresponding to positioning holes on the intelligent valve are arranged on the mounting plate to position the intelligent valve by cooperating with the positioning blocks.

[0010] Thanks to the above technical scheme, the present application has the following technical progress.

[0011] The utility model provides a kind of intelligent valve electronic load experiment pre-checking device, by connecting intelligent valve with programmable stabilized power supply and control box, the voltage of programmable stabilized power supply and the opening of intelligent valve are controlled by control box, and test data are monitored in real time, and relevant data output visual curve diagram is convenient for observation realizes data, without manually adjusting intelligent valve, improve test efficiency, simultaneously by setting positioning tool to the positioning of intelligent valve, avoid the shaking of valve body itself during experiment to influence experimental effect, guarantee the accuracy of experimental data. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a specific structure schematic diagram of the utility model;

[0013] Figure 2 It is a structure schematic diagram of display screen display interface on the control box of the utility model;

[0014] Figure 3 It is a specific structure schematic diagram of the positioning tool of the utility model;

[0015] Figure 4 It is the circuit diagram of single-chip microcomputer in the control box of the utility model;

[0016] Figure 5 It is the circuit diagram of power management of the control box of the utility model;

[0017] Figure 6 It is the circuit diagram of the control box and CAN transceiver of the utility model;

[0018] Figure 7 It is the circuit diagram of SD card storage in the control box of the utility model;

[0019] Figure 8 It is the circuit diagram of the control box and RS232 communication of the utility model.

[0020] Among them: 1. programmable stabilized power supply, 2. control box, 3. intelligent valve, 4. positioning tool, 5. RS232 to USB connecting line, 6. CAN to USB connecting line. DETAILED DESCRIPTION

[0021] The utility model will be further explained in detail in combination with drawings and specific embodiment.

[0022] A smart valve electronic load test pre-inspection device, such as Figures 1 to 8 As shown, the system includes a programmable voltage regulator 1, a control box 2, an intelligent valve 3, and a positioning fixture 4. The programmable voltage regulator 1 is connected to the control box 2 via an RS232 to USB cable 5. The output terminal of the control box 2 is connected to the controlled terminal of the programmable voltage regulator 1. The programmable voltage regulator 1 is connected to the intelligent valve 3 via a power cable and supplies power to the intelligent valve 3. The control box 2 is connected to the intelligent valve 3 via a CAN to USB cable 6. The output terminal of the control box 2 is connected to the controlled terminal of the intelligent valve 3. The intelligent valve 3 is mounted on the positioning fixture 4.

[0023] The control box 2 is equipped with a display screen, which includes a display interface, a parameter setting interface, a start operation button, and a save operation button.

[0024] The display interface can display the voltage waveform curve and duty cycle waveform curve of the test in real time, and at the same time display the target opening degree, actual opening degree, voltage information and fault information of the smart valve.

[0025] The parameter setting interface allows you to set the control curve for the power supply voltage and the opening control curve for the smart valve at the start of the experiment.

[0026] The positioning fixture 4 includes a mounting plate and a positioning block. The mounting plate is made of nylon and has several mounting holes that correspond to the positioning holes on the smart valve 3.

[0027] The positioning fixture 4 has 2 to 3 smart valves 3 installed, which can position multiple smart valves 3 at the same time.

[0028] In use, first, install the smart valve 3 on the positioning fixture 4 and position it using the positioning block. Then, connect the control box 2 and the programmable regulated power supply 1 via the RS232 to USB cable 5, connect the control box 2 and the smart valve 3 via the CAN to USB cable 6, and connect the programmable regulated power supply 1 to the smart valve 3 via the power cable so that the programmable regulated power supply 1 supplies power to the smart valve 3.

[0029] Next, start the programmable regulated power supply 1, set the control curve of the power supply voltage and the opening control curve of the smart valve in the parameter setting interface, and then press the start operation button. The control box 2 sends signals to the programmable regulated power supply 1 and the smart valve 3 to control the voltage information of the programmable regulated power supply 1 and the opening of the smart valve 3. At the same time, the target opening, actual opening, voltage information and fault information of the smart valve are collected in real time and the curves are displayed on the display interface.

[0030] When the power voltage curve test is completed, the control box 2 controls the intelligent valve 3 to return to the initial position, meanwhile controls the programmable voltage stabilizing power supply 1 to be closed, saves all log data of this test, and pauses refreshing of the detection curve, so that the test personnel can view the record.

[0031] The utility model provides a kind of intelligent valve electronic load experiment pre-checking device, by connecting intelligent valve with programmable voltage stabilizing power supply and control box, the voltage of programmable voltage stabilizing power supply and the opening of intelligent valve are controlled by control box, and test data are monitored in real time, relevant data output bit visual curve diagram, it is convenient to observe and realize data, without manually adjusting intelligent valve, improve test efficiency, positioning tool is set simultaneously to the positioning of intelligent valve, avoid the influence of experimental effect that valve body itself appears to shake in experimental process, guarantee the accuracy of experimental data.

Claims

1. A smart valve electronic load test pre-inspection device, characterized in that: Including programmable voltage regulator (1), control box (2), intelligent valve (3), positioning tooling (4); programmable voltage regulator (1) is connected with control box (2) through RS232 to USB connecting line (5), the output end of control box (2) is connected with the controlled end of programmable voltage regulator (1); programmable voltage regulator (1) is connected with intelligent valve (3) through power line and supplies power to intelligent valve (3); control box (2) is connected with intelligent valve (3) through CAN to USB connecting line (6), the output end of control box (2) is connected with the controlled end of intelligent valve (3); intelligent valve (3) is installed on positioning tooling (4).

2. The intelligent valve electronic load experiment pre-checking device according to claim 1, characterized in that: The control box (2) is provided with a display screen, and the display screen is provided with a display interface, a parameter setting interface, a start operation button and a save operation button.

3. The intelligent valve electronic load experiment pre-checking device according to claim 1, characterized in that: The positioning tooling (4) includes a mounting plate and positioning blocks, the mounting plate is made of nylon material, and a plurality of mounting holes corresponding to the positioning holes on the intelligent valve (3) are arranged on the mounting plate to cooperate with the positioning blocks to position the intelligent valve (3).

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