Remote hardware-in-the-loop test system

Abstract

The utility model provides a remote hardware-in-the-loop test system, which comprises a remote PC (Personal Computer), a programmable power supply and a hardware-in-the-loop test module, the remote PC is respectively connected with the programmable power supply and the hardware-in-the-loop test module, and the programmable power supply is connected with the hardware-in-the-loop test module; the remote PC 1 can remotely supply power to the HIL test bench through the programmable power supply, and then the remote PC controls the HIL bench computer to cooperate with the HIL test bench to perform the HIL test on the to-be-tested controller, thereby preventing a tester from performing the HIL test when the tester cannot arrive at the HIL test bench.

Description

Technical Field

[0001] The utility model relates to the technical field of hardware-in-the-loop testing, in particular to a remote hardware-in-the-loop testing system. Background Art

[0002] Hardware-in-the-loop (HIL) testing is a powerful testing method that can be used to test embedded control systems more effectively. The current hardware-in-the-loop testing method is to connect the controller to be tested to the HIL test bench through a hard wire, and then control the HIL test bench for testing through the matching HIL test computer. This testing method requires HIL testers to be fixed on the HIL test bench site to perform HIL testing. However, when the HIL testers are unable to get to the HIL test bench for special reasons, such as when the HIL testers are on business trips or are confined at home due to the epidemic, HIL testing cannot be performed. Utility Model Content

[0003] In view of the deficiencies existing in the prior art, the utility model provides a remote hardware-in-the-loop testing system, which solves the above-mentioned problems existing in the prior art.

[0004] According to an embodiment of the utility model, a remote hardware-in-the-loop testing system includes:

[0005] A remote PC, a program-controlled power supply and a hardware-in-the-loop test module, wherein the remote PC is connected to the program-controlled power supply and the hardware-in-the-loop test module respectively, and the program-controlled power supply is connected to the hardware-in-the-loop test module.

[0006] Preferably, the hardware-in-the-loop test module includes:

[0007] A HIL test computer, wherein the HIL test computer is respectively connected to a remote PC and a program-controlled power supply via a wireless network;

[0008] The HIL test bench is connected to the HIL test computer and the program-controlled power supply respectively, and is used to connect to the controller under test.

[0009] Preferably, the programmable power supply comprises:

[0010] Real-time communication module, the real-time communication module is connected with the remote PC and the HIL test computer respectively;

[0011] The program-controlled power supply body is electrically connected to the real-time communication module, and the program-controlled power supply body is connected to the HIL test bench.

[0012] Preferably, the real-time communication module includes:

[0013] The wireless network card is electrically connected to the programmable power supply body and is used to communicate with the remote PC and the HIL test computer through the wireless network.

[0014] Preferably, the HIL test bench is provided with a camera and a voice communication module;

[0015] The camera is electrically connected to the HIL test computer to obtain a real-time image of the BMS controller on the HIL test bench;

[0016] The voice communication module includes:

[0017] A microphone, which is electrically connected to the HIL test computer and is used to collect voice information around the HIL test bench;

[0018] The speaker is electrically connected to the HIL test computer.

[0019] Preferably, the camera, microphone, speaker and HIL test bench are all communicatively connected to the HIL test computer via a USB interface.

[0020] Compared with the prior art, the utility model has the following beneficial effects: the remote PC 1 can remotely power the HIL test bench through a programmable power supply, and then the remote PC controls the HIL bench computer to cooperate with the HIL test bench to perform HIL testing on the controller to be tested, thereby avoiding the situation where the tester cannot reach the HIL test bench to perform HIL testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the process of an embodiment of the utility model;

[0022] Figure 2 A schematic diagram of a program-controlled power supply according to an embodiment of the utility model;

[0023] Figure 3 Schematic diagram of a HIL test bench according to an embodiment of the present utility model. DETAILED DESCRIPTION

[0024] The technical solution of the present utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0025] like Figures 1 to 3 As shown, the embodiment of the utility model proposes a remote hardware-in-the-loop testing system, including:

[0026] A remote PC 1, a program-controlled power supply 2 and a hardware-in-the-loop test module, wherein the remote PC 1 is connected to the program-controlled power supply 2 and the hardware-in-the-loop test module respectively, and the program-controlled power supply 2 is connected to the hardware-in-the-loop test module;

[0027] The hardware-in-the-loop test module includes:

[0028] A HIL test computer 3, wherein the HIL test computer 3 is respectively connected to the remote PC 1 and the program-controlled power supply 2 via a wireless network;

[0029] The HIL test bench 5 is connected to the HIL test computer 3 and the program-controlled power supply 2 respectively, and is used to connect to the controller 4 under test.

[0030] The working principle of the above technical solution: in actual use, the remote PC 1 can be understood as a private notebook, and the controller to be tested 4 is connected to the HIL test bench 5 through a hard line. The remote PC 1 is used to remotely control the programmable power supply 2 located in the HI laboratory through a wireless network, so that the programmable power supply 2 supplies power to the HIL test bench 5 of the hardware-in-the-loop test module, and the controller to be tested 4 is powered on while the HIL test bench 5 is powered. Then, the HIL tester controls the HIL bench computer through the remote PC 1 to cooperate with the HIL test bench to perform HIL testing on the controller to be tested;

[0031] The beneficial effects of the above technical solution: Through the above technical solution, the remote PC 1 can remotely power the HIL test bench 5 through the programmable power supply 2, and then the HIL bench computer is controlled by the remote PC 1 to cooperate with the HIL test bench to perform HIL testing on the controller to be tested, thereby avoiding the situation where the tester cannot reach the HIL test bench 5 to perform HIL testing.

[0032] In one embodiment, the programmable power supply 2 comprises:

[0033] A real-time communication module, the real-time communication module is respectively connected to the remote PC 1 and the HIL test computer 3 for communication;

[0034] The program-controlled power supply body 10 is electrically connected to the real-time communication module, and the program-controlled power supply body 10 is connected to the HIL test bench 5;

[0035] A wireless network card 9, which is electrically connected to the programmable power supply body 10 and is used to communicate with the remote PC 1 and the HIL test computer 3 via a wireless network;

[0036] The working principle and beneficial effects of the above technical solution are as follows: during the actual test process, when the HIL test bench 5 needs to be powered on or off, the remote PC 1 transmits the information of powering on or off to the processor of the programmable power supply body 10 through the wireless network 9, and the processor controls the programmable power supply body 10 to power on or off; so that the HIL tester can remotely complete the power supply or power off of the HIL test bench 5; at the same time, when the HIL tester is in front of the HIL test bench 5, he can use the HIL test computer 3 to transmit the information of powering on or off to the processor of the programmable power supply body 10 through the wireless network 9, and perform the power supply or power off operation of the programmable power supply body 10.

[0037] In one embodiment, the HIL test bench is provided with a camera and a voice communication module;

[0038] The camera 6 is electrically connected to the HIL test computer 3 and is used to obtain a real-time image of the BMS controller on the HIL test bench;

[0039] The voice communication module includes:

[0040] A microphone 7, which is electrically connected to the HIL test computer 3 and is used to collect voice information around the HIL test bench 5;

[0041] A loudspeaker 8, the loudspeaker 8 is electrically connected to the HIL test computer 3;

[0042] The camera 6 , microphone 7 , speaker 8 and HIL test bench 5 are all connected to the HIL test computer 3 via a USB interface.

[0043] The working principle and beneficial effects of the above technical solution are as follows: in the actual test process, the real-time image information of the controller under test 4 on the HIL test bench 5 is collected by the camera 6, and the real-time image information is transmitted to the HIL test computer through the communication connection of the USB interface. The HIL test computer transmits the real-time image information to the remote PC 1 through the wireless network, and displays it on the display screen of the remote PC 1, so that the test personnel can remotely understand the real-time appearance of the test of the controller under test 4; at the same time, when the controller under test 4 is installed on the HIL test bench 5, the HIL test personnel can understand the hard-line connection between the on-site controller under test 4 and the HIL test bench 5 through the camera 6, and at the same time, the voice information of the personnel who should be connected on the site can be collected through the microphone, and the voice information is transmitted to the HIL test computer through the communication connection of the USB interface. The HIL test computer transmits the real-time image information to the remote PC 1 through the wireless network, and plays it on the speaker of the remote PC 1, and can also play the voice information transmitted by the HIL test personnel through the speaker 8, so that the on-site hard-line connection personnel can communicate with the HIL test personnel at a distance, guide the hard-line connection personnel to connect the hard line, and facilitate the replacement of the controller under test 4.

[0044] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A remote hardware-in-the-loop test system, characterized in that: include: A remote PC, a program-controlled power supply and a hardware-in-the-loop test module, wherein the remote PC is connected to the program-controlled power supply and the hardware-in-the-loop test module respectively, and the program-controlled power supply is connected to the hardware-in-the-loop test module.

2. A remote hardware-in-the-loop test system as claimed in claim 1, characterized in that: The hardware-in-the-loop test module includes: A HIL test computer, wherein the HIL test computer is respectively connected to a remote PC and a program-controlled power supply via a wireless network; The HIL test bench is connected to the HIL test computer and the program-controlled power supply respectively, and is used to connect to the controller under test.

3. A remote hardware-in-the-loop test system as claimed in claim 1, characterized in that: The program-controlled power supply comprises: Real-time communication module, the real-time communication module is connected with the remote PC and the HIL test computer respectively; The program-controlled power supply body is electrically connected to the real-time communication module, and the program-controlled power supply body is connected to the HIL test bench.

4. A remote hardware-in-the-loop test system as claimed in claim 3, characterized in that: The real-time communication module comprises: The wireless network card is electrically connected to the programmable power supply body and is used to communicate with the remote PC and the HIL test computer through the wireless network.

5. A remote hardware-in-the-loop test system as claimed in claim 3, characterized in that: The HIL test bench is provided with a camera and a voice communication module; The camera is electrically connected to the HIL test computer to obtain a real-time image of the BMS controller on the HIL test bench; The voice communication module includes: A microphone, which is electrically connected to the HIL test computer and is used to collect voice information around the HIL test bench; Speaker, the speaker is electrically connected to the HIL test computer.

6. A remote hardware-in-the-loop test system as claimed in claim 5, characterized in that: The camera, microphone, speaker and HIL test bench are all connected to the HIL test computer via a USB interface.

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