CN213338432U - Hardware-in-loop test system for multi-channel controller - Google Patents
Hardware-in-loop test system for multi-channel controller Download PDFInfo
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- CN213338432U CN213338432U CN202022720586.2U CN202022720586U CN213338432U CN 213338432 U CN213338432 U CN 213338432U CN 202022720586 U CN202022720586 U CN 202022720586U CN 213338432 U CN213338432 U CN 213338432U
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Abstract
The utility model relates to the technical field of automobile lamps, in particular to a hardware-in-the-loop test system of a multi-channel controller, which comprises a PC, an IO board card, a CAN conversion card, a lamp domain controller, a plurality of loads, a plurality of LIN conversion cards and a relay module; the PC is connected with the relay module through the IO board card, and the relay module is respectively connected with a plurality of loads; the PC is connected with the lamp domain controller through the CAN conversion card; the lamp field controller is connected with the LIN switching cards respectively; each LIN conversion card is correspondingly connected with a load; the device also comprises a programmable power supply and a voltage acquisition card; the PC is connected with a load through a programmable power supply; the PC is also connected with a load through a voltage acquisition card; the automatic on-load aging test function of the multi-channel car lamp can be realized, so that the production efficiency and the automatic detection degree of the car lamp controller are greatly improved.
Description
Technical Field
The utility model relates to an automobile lamp technical field specifically is a multichannel controller hardware is at ring test system.
Background
With the continuous development of electronic technology and automobile industry, the automobile lamp control is used as an important auxiliary tool on the automobile lamp, the use frequency of the intelligent automobile lamp in modern automobiles is continuously increased, the requirement on automatic aging is continuously increased, and the detection of various performance indexes of the automobile lamp also presents the trend of diversification and complication. The initial aging system of the car lamp controller is a single-channel detection system, so that the cost is high and the time is wasted; therefore, the aging test system of the car lamp controller is designed, and the realization of the multi-channel detection function is very necessary.
SUMMERY OF THE UTILITY MODEL
To the problem mentioned in the background art, the utility model provides a multichannel controller hardware is at ring test system can realize the automatic on-load aging testing function of multichannel car light to improve car light controller's production efficiency and automated inspection degree greatly.
The above technical purpose of the present invention can be achieved by the following technical solutions: a hardware-in-loop test system for a multi-channel controller comprises a PC (personal computer), an IO (input/output) board card, a CAN (controller area network) conversion card, a lamp area controller, a plurality of loads, a plurality of LIN conversion cards and a relay module;
the PC is connected with the relay module through the IO board card, and the relay module is respectively connected with a plurality of loads;
the PC is connected with the lamp domain controller through the CAN conversion card;
the lamp field controller is connected with the LIN switching cards respectively;
each LIN conversion card is correspondingly connected with a load;
the device also comprises a programmable power supply and a voltage acquisition card; the PC is connected with a load through a programmable power supply; the PC is also connected with a load through a voltage acquisition card.
Preferably, the PC is connected to the CAN conversion card through a USB, and is configured to send a CAN message to the lamp domain controller.
Preferably, the programmable power supply is connected to the PC via USB for supplying power to a plurality of loads.
To sum up, the utility model discloses following beneficial effect has: the utility model discloses a degree of automation that multi-channel controller hardware CAN improve production efficiency and production greatly at ring test system, send the operating instruction message to lamps and lanterns field controller through the CAN conversion card by the PC, lamps and lanterns field controller changes the LIN message that lamps and lanterns work according to received CAN message instruction identification, send for car light field controller virtual load through LIN conversion card, car light field controller starts the work that corresponds virtual load according to the LIN message instruction of receipt, through the input voltage of voltage collection card interval 1min cyclic acquisition every load in the load course of operation, load work appears under the abnormal condition, through LIN conversion card with the area load aging control system of fault information feedback to PC end.
Drawings
Fig. 1 is a schematic structural diagram of the hardware-in-the-loop test system of the multi-channel controller of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
A hardware-in-loop test system for a multi-channel controller adopts the technical scheme that the hardware-in-loop test system comprises a PC, a terminal display, an IO board card, a programmable power supply, a CAN conversion card, an LIN conversion card, a voltage acquisition card, a relay module, a car lamp domain controller, a controller virtual load and the like.
The PC is connected with the CAN conversion card through a USB and is used for sending a CAN message to the lamp domain controller; the programmable power supply is connected with the PC through a USB bus to provide power for the system; the CAN conversion card and the LIN conversion card are used for sending CAN messages, LIN messages and fault information feedback; the car light domain controller is used for receiving the CAN message and converting the CAN message into an LIN message; the IO board card is used for controlling the switching of signals; the voltage acquisition card is used for acquiring voltage in the working process of the load.
As an optimization scheme of the utility model, the on-load aging control system adopts the drawer type design of the aging box, and each drawer can be independently operated; and code scanning, data recording and analysis and MES information system integration are supported.
The aging box drawer consists of a load drawer and a test drawer, and the load drawer is connected with the test drawer through a connector.
The test drawer consists of three parts: the device comprises a drawer body, a product to be tested and a switching PCB; the switching PCB board comprises a product plug-in interface, a load, a communication plug-in interface and the like which are integrated; the load drawer consists of three parts: drawer body, master control PCB board and load PCB board.
The utility model discloses a multichannel controller hardware is at ring test system, adopts the detection principle to be: according to the system, a PC sends a working instruction message to a lamp domain controller through a CAN conversion card, the lamp domain controller identifies and converts an LIN message of lamp working into an LIN message of lamp working according to the received CAN message instruction, the LIN message is sent to a virtual load of the lamp domain controller through the LIN conversion card, the lamp domain controller starts working of a corresponding virtual load according to the received LIN message instruction, input voltage of each load is circularly acquired at an interval of 1min through a voltage acquisition card in the working process of the load, and fault information is fed back to a loaded aging control system at the PC end through the LIN conversion card when the load is in an abnormal working state.
In the specific test, the method comprises the following steps:
first, a CAN message is sent.
The PC sends an instruction to the car light domain controller, and the domain controller converts the received CAN message into a LIN message and sends the LIN message to a load.
And secondly, receiving the LIN message and collecting the voltage.
The load executes work according to the received message, and circularly collects the working voltage through the voltage collecting card.
And thirdly, monitoring and feeding back in real time.
And monitoring the working state in real time, and if the voltage is abnormal, feeding back fault information to the PC.
As shown in fig. 1, the hardware-in-the-loop test system for the multi-channel controller includes a PC, a terminal display, an IO board card, a programmable power supply, a CAN converter card, a LIN converter card, a voltage acquisition card, a relay module, a car light domain controller, a controller virtual load, and the like.
According to the system, a PC sends a working instruction message to a lamp domain controller through a CAN conversion card, the lamp domain controller identifies and converts an LIN message of lamp working into an LIN message of lamp working according to the received CAN message instruction, the LIN message is sent to a virtual load of the lamp domain controller through the LIN conversion card, the lamp domain controller starts working of a corresponding virtual load according to the received LIN message instruction, input voltage of each load is circularly acquired at an interval of 1min through a voltage acquisition card in the working process of the load, and fault information is fed back to a loaded aging control system at the PC end through the LIN conversion card when the load is in an abnormal working state.
The PC is connected with the CAN conversion card through a USB and is used for sending a CAN message to the lamp domain controller; the programmable power supply is connected with the PC through a USB bus and provides power for the system; the CAN conversion card and the LIN conversion card are used for sending CAN messages, LIN messages and fault information feedback; the car light domain controller is used for receiving the CAN message and converting the CAN message into an LIN message; the IO board card is used for controlling the switching of signals; and the voltage acquisition card is used for acquiring the voltage in the working process of the load.
The on-load aging control system is designed by adopting an aging box drawer type, and each drawer can be independently operated; and code scanning, data recording and analysis and MES information system integration are supported.
The aging box drawer consists of a load drawer and a test drawer, and the load drawer is connected with the test drawer through a connector.
The test drawer consists of three parts: the device comprises a drawer body, a product to be tested and a switching PCB; the switching PCB board comprises a product plug-in interface, a load, a communication plug-in interface and the like which are integrated; the load drawer consists of three parts: drawer body, master control PCB board and load PCB board.
As shown in fig. 1, the detection method of the detection device of the present invention adopts the following procedures:
first, a CAN message is sent.
The PC sends an instruction to the car light domain controller, and the domain controller converts the received CAN message into a LIN message and sends the LIN message to a load.
And secondly, receiving the LIN message and collecting the voltage.
The load executes work according to the received message, and circularly collects the working voltage through the voltage collecting card.
And thirdly, monitoring and feeding back in real time.
And monitoring the working state in real time, and if the voltage is abnormal, feeding back fault information to the PC.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a multichannel controller hardware is at ring test system which characterized in that: the intelligent lamp comprises a PC, an IO board card, a CAN conversion card, a lamp domain controller, a plurality of loads, a plurality of LIN conversion cards and a relay module;
the PC is connected with the relay module through the IO board card, and the relay module is respectively connected with a plurality of loads;
the PC is connected with the lamp domain controller through the CAN conversion card;
the lamp field controller is connected with the LIN switching cards respectively;
each LIN conversion card is correspondingly connected with a load;
the device also comprises a programmable power supply and a voltage acquisition card; the PC is connected with a load through a programmable power supply; the PC is also connected with a load through a voltage acquisition card.
2. The multi-channel controller hardware-in-the-loop test system of claim 1, wherein: and the PC is connected with the CAN conversion card through a USB and is used for sending CAN messages to the lamp domain controller.
3. The multi-channel controller hardware-in-the-loop test system of claim 1, wherein: the programmable power supply is connected with the PC through the USB and is used for supplying power to a plurality of loads.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022720586.2U CN213338432U (en) | 2020-11-20 | 2020-11-20 | Hardware-in-loop test system for multi-channel controller |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022720586.2U CN213338432U (en) | 2020-11-20 | 2020-11-20 | Hardware-in-loop test system for multi-channel controller |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113448316A (en) * | 2021-06-29 | 2021-09-28 | 安徽江淮汽车集团股份有限公司 | Signal injection system for hardware-in-the-loop testing |
| CN114435231A (en) * | 2022-01-26 | 2022-05-06 | 马瑞利汽车零部件(芜湖)有限公司 | Automobile lamp control system |
| CN114518738A (en) * | 2020-11-20 | 2022-05-20 | 常州星宇车灯股份有限公司 | Hardware-in-loop test system for multi-channel controller |
| CN114518738B (en) * | 2020-11-20 | 2024-06-21 | 常州星宇车灯股份有限公司 | Hardware-in-loop test system of multichannel controller |
-
2020
- 2020-11-20 CN CN202022720586.2U patent/CN213338432U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114518738A (en) * | 2020-11-20 | 2022-05-20 | 常州星宇车灯股份有限公司 | Hardware-in-loop test system for multi-channel controller |
| CN114518738B (en) * | 2020-11-20 | 2024-06-21 | 常州星宇车灯股份有限公司 | Hardware-in-loop test system of multichannel controller |
| CN113448316A (en) * | 2021-06-29 | 2021-09-28 | 安徽江淮汽车集团股份有限公司 | Signal injection system for hardware-in-the-loop testing |
| CN114435231A (en) * | 2022-01-26 | 2022-05-06 | 马瑞利汽车零部件(芜湖)有限公司 | Automobile lamp control system |
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