CN113655305A - Full-automatic testing device and method for vehicle-mounted multimedia display function - Google Patents
Full-automatic testing device and method for vehicle-mounted multimedia display function Download PDFInfo
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- CN113655305A CN113655305A CN202110827338.4A CN202110827338A CN113655305A CN 113655305 A CN113655305 A CN 113655305A CN 202110827338 A CN202110827338 A CN 202110827338A CN 113655305 A CN113655305 A CN 113655305A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/005—Testing of electric installations on transport means
- G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8806—Specially adapted optical and illumination features
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0425—Test clips, e.g. for IC's
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8806—Specially adapted optical and illumination features
- G01N2021/8822—Dark field detection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
- G01N2021/8887—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges based on image processing techniques
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N2021/9511—Optical elements other than lenses, e.g. mirrors
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Abstract
The invention relates to a full-automatic testing device and method for a vehicle-mounted multimedia display function, which comprises an upper computer testing system and a darkroom; a visual identification system, an operation simulation system and a clamp are arranged in the darkroom; the vehicle-mounted multimedia display screen to be tested is placed on the clamp and is in communication connection with the upper computer testing system; and the visual recognition system and the operation simulation system are in communication connection with the upper computer testing system. The vehicle-mounted multimedia display function testing device can realize full automation of vehicle-mounted multimedia display function testing, and an operator only needs to put in vehicle-mounted multimedia before testing and take out the vehicle-mounted multimedia display screen after testing is finished, so that the labor amount of personnel operation (clicking, touching and sliding) is greatly reduced; meanwhile, the controllable operation simulation system replaces human hands to operate, so that the problem of artificial misoperation can be greatly reduced, and the test accuracy is improved.
Description
Technical Field
The invention relates to the technical field of automobile instrument measurement, in particular to a full-automatic testing device and method for a vehicle-mounted multimedia display function.
Background
With the popularization of automobiles in life, the demands of drivers and passengers on the entertainment function in the automobiles are increasing. The vehicle-mounted multimedia can better meet the requirements of users by covering the functions of videos, music, electronic books, FM and the like; in addition, the display terminal can be used as a display terminal for the real-time state of the vehicle, particularly the video display of backing, environment and blind areas, so that the display terminal becomes an indispensable product for assisting driving. In the future, with the trend of intelligent development of automobiles, the intelligent automobile. The display function of the display screen directly influences the realization of the functions. As a standard for vehicles, demand increases geometrically. However, the existing testing method adopts manual touch of inspectors, human eyes recognize and judge, the detection efficiency is low, the testing result is greatly influenced by personnel, or a factory mode is adopted to automatically switch a display interface for judgment, and the development cost is high. An intelligent and automatic test scheme is needed to submit the test efficiency, and the labor intensity and the development cost of the inspectors are reduced.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides a full-automatic testing device and method for a vehicle-mounted multimedia display function.
The technical scheme for solving the technical problems is as follows:
on one hand, the invention provides a full-automatic testing device for a vehicle-mounted multimedia display function, which comprises an upper computer testing system and a darkroom;
a visual identification system, an operation simulation system and a clamp are arranged in the darkroom;
the vehicle-mounted multimedia display screen to be tested is placed on the clamp and is in communication connection with the upper computer testing system; and the visual recognition system and the operation simulation system are in communication connection with the upper computer testing system.
Furthermore, the vision recognition system comprises an industrial camera, the industrial camera is in communication connection with the upper computer testing system, and the shooting area of the industrial camera covers the clamp and is used for recording the display state of the vehicle-mounted multimedia display screen to be tested in the testing process in real time and uploading the display state to the upper computer testing system.
Furthermore, the vision recognition system further comprises an annular light source, wherein the annular light source surrounds the industrial camera and is used for supplementing light in the testing process.
Furthermore, the operation simulation system comprises a manipulator and a driving mechanism, the driving mechanism is connected with the manipulator and is in communication connection with the upper computer test system, and the driving mechanism drives the manipulator to simulate a human finger to perform preset operation on the multimedia display screen according to control information of the upper computer test system.
Further, the predetermined operation includes a click operation, a slide operation, and a long press operation.
Furthermore, be equipped with the multiunit probe on the anchor clamps, the on-vehicle multimedia display screen that awaits measuring is placed back on the anchor clamps, the external interface of multimedia display screen passes through the multiunit probe and is connected with external power source and CAN bus respectively to communicate with host computer test system model through the CAN bus.
On the other hand, the invention provides a full-automatic testing method for a vehicle-mounted multimedia display function, which is realized based on the full-automatic testing device for the vehicle-mounted multimedia display function and comprises the following steps:
s1, initializing the device, including initializing a visual recognition system, an operation simulation system and a clamp;
s2, placing the vehicle-mounted multimedia display screen to be tested on the clamp and electrifying the clamp;
s3, the vision recognition system shoots the display content of the vehicle-mounted multimedia display screen to be tested in real time and uploads the display content to the upper computer test system, and the upper computer test system processes the picture uploaded by the vision recognition system and compares the picture with a reference picture for judgment;
s4, the operation simulation system performs preset operation on the vehicle-mounted multimedia display screen to be tested under the control of the upper computer test system; repeatedly performing steps S3 and S4 until all tests are completed;
and S5, outputting the test result by the upper computer test system, powering off the vehicle-mounted multimedia display screen to be tested, and ending the test.
Further, the step S4 includes resetting the operation simulation system after the operation simulation system performs a predetermined operation; the predetermined operation includes a click operation, a slide operation, and a long press operation.
The invention has the beneficial effects that: 1. the full automation of the vehicle-mounted multimedia display function test can be realized, and an operator only needs to put in the vehicle-mounted multimedia before the test and take out the vehicle-mounted multimedia after the test is finished, so that the labor amount of the operator in operation (clicking, touching and sliding) is greatly reduced; meanwhile, the controllable manipulator replaces human hands to operate, so that the problem of artificial misoperation can be greatly reduced, and the testing accuracy is improved.
2. The product types covered by the test are all, and all types of vehicle-mounted multimedia in the market can be tested; for a multimedia product with a factory mode, a CAN command CAN be sent to the product through a CAN line, and different display pictures are switched for testing; for the factory-less mode, the detection can be performed by simulating human operation by a robot system.
3. The single product has comprehensive test items, and the test items can be selected according to the product characteristics and can be subjected to modular test.
4. The industrial camera is adopted for shooting and comparing with the reference picture for judgment, so that the recognition degree is high, and the product missing detection and false detection caused by personnel fatigue, false operation and the like can be reduced; all indexes can be quantized and accessed into a factory data management system, and the intelligent management system is intelligent.
Drawings
FIG. 1 is a schematic structural diagram of a fully automatic testing system for vehicle-mounted multimedia display functions according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of a fully automatic testing method for a vehicle-mounted multimedia display function according to an embodiment of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the system comprises an upper computer test system, 2, a darkroom, 3, an annular light source, 4, an industrial camera, 5, a mechanical arm, 6, a mechanical control PLC, 7, a mechanical finger, 8, a vehicle-mounted multimedia display screen to be tested, 9 and a clamp.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1, an embodiment of the present invention provides a full-automatic testing apparatus for a vehicle-mounted multimedia display function, including an upper computer testing system 1 and a darkroom 2;
a visual identification system, an operation simulation system and a clamp 9 are arranged in the darkroom 2;
the vehicle-mounted multimedia display screen 8 to be tested is placed on the clamp 9 and is in communication connection with the upper computer testing system 1; and the visual recognition system and the operation simulation system are in communication connection with the upper computer testing system.
The visual recognition system, the operation simulation system and the clamp 9 are arranged in the darkroom, so that the product is not influenced by external environment light in the process of testing the display function.
The upper computer test system comprises control modes such as clamp control, visual identification control, operation simulation system action control and the like.
The visual recognition system comprises an annular light source 3 and an industrial camera 4, the industrial camera 4 is in communication connection with the upper computer test system 1, and a shooting area of the industrial camera covers the clamp 9 and is used for recording the display state of the vehicle-mounted multimedia display screen 8 to be tested in the test process in real time and uploading the display state to the upper computer test system; the annular light source 3 is arranged around the industrial camera 4 and used for supplementing light in the testing process so as to ensure that the interface of a shot product is clear and improve the testing efficiency.
Furthermore, the operation simulation system comprises a mechanical arm and a driving mechanism, the driving mechanism is connected with the mechanical arm and is in communication connection with the upper computer test system, and the driving mechanism drives the mechanical arm to simulate a human finger to perform preset operation on the multimedia display screen according to control information of the upper computer test system.
The manipulator in this embodiment includes robotic arm 5 and mechanical finger 7, and robotic arm can carry out the motion more than 4 axles to guarantee the flexibility of mechanical finger 7, the top of mechanical finger 7 is the rubber sleeve, comes the finger of simulation people to click, slide and long action such as pressing on the multimedia display screen. The driving mechanism comprises a mechanical control PLC6 which is in communication connection with the upper computer test system 1 and controls the actions of the mechanical arm 5 and the mechanical finger 7.
And a plurality of groups of probes are arranged on the clamp 9 and CAN be connected with a power supply and a CAN bus. When the vehicle-mounted multimedia display screen to be tested is placed on the clamp, an external interface of the multimedia display screen is respectively connected with an external power supply and a CAN bus through a plurality of groups of probes and is communicated with an upper computer test system through the CAN bus.
Based on the testing device, the embodiment of the invention also provides a full-automatic testing method for the vehicle-mounted multimedia display function, which comprises the following steps:
1. all components of the device are electrically connected or connected in data communication;
2. placing the vehicle-mounted multimedia display screen 8 to be tested into a clamp 9;
3. clicking a test starting button of the upper computer test system;
4. the annular light source 3 and the industrial camera 4 are initialized, the clamp 9 carries the vehicle-mounted multimedia display screen 8 to enter the darkroom 2, and the mechanical arm 5, the mechanical control PLC6 and the mechanical finger 7 enter the initialization;
5. the upper computer test system controls the clamp 9 to electrify the vehicle-mounted multimedia display screen 8 to be tested, and the vehicle-mounted multimedia display screen 8 to be tested enters the main interface after being lightened;
6. the upper computer testing system controls the brightness of the annular light source 3 to supplement light to a shooting environment, controls the industrial camera 4 to shoot a main interface of the vehicle-mounted multimedia display screen 8 to be tested and transmits the shot main interface to the upper computer testing system;
7. the upper computer testing system processes the shot picture a, calls a reference picture a' for comparison, and judges whether the display result is correct;
8. the upper computer test system drives the mechanical control PLC6 according to test requirements, so that the mechanical finger 7 operates the display picture of the vehicle-mounted multimedia display screen 8 to be tested, and after the operation is finished, the mechanical arm 5 and the mechanical finger 7 reset to prevent the next photographing identification from being influenced;
9. the upper computer testing system controls the brightness of the annular light source 3 to supplement light to a shooting environment, controls the industrial camera 4 to shoot a display interface of the vehicle-mounted multimedia display screen 8 to be tested and transmits the shot image to the upper computer testing system;
10. the upper computer testing system processes the shot picture n, calls a reference picture n' for comparison, and judges whether the display result is correct;
11. repeating 8.9.10 step until all display function tests are finished;
12. and outputting a test result, if each judgment result is correct, displaying that the test result is qualified, if the unqualified item is more than or equal to 1, displaying that the test result is unqualified, and outputting the unqualified item to an upper computer test system so as to facilitate the judgment of an operator.
The invention can realize the full automation of the vehicle-mounted multimedia display function test, and the operator only needs to put in the vehicle-mounted multimedia before the test and take out the vehicle-mounted multimedia after the test is finished, thereby greatly reducing the labor amount of the operator for operation (point pressing, touching and sliding); meanwhile, the controllable manipulator replaces human hands to operate, so that the problem of artificial misoperation can be greatly reduced, and the testing accuracy is improved. The product types covered by the test are all, and all types of vehicle-mounted multimedia in the market can be tested; for a multimedia product with a factory mode, a CAN command CAN be sent to the product through a CAN line, and different display pictures are switched for testing; for the factory-less mode, the detection can be performed by simulating human operation by a robot system. The single product has comprehensive test items, and the test items can be selected according to the product characteristics and can be subjected to modular test. The industrial camera is adopted for shooting and comparing with the reference picture for judgment, so that the recognition degree is high, and the product missing detection and false detection caused by visual fatigue, false operation and the like of personnel can be reduced; all indexes can be quantized and connected into a factory data management system, and process management intellectualization is realized.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A full-automatic testing device for vehicle-mounted multimedia display function is characterized by comprising an upper computer testing system and a darkroom;
a visual identification system, an operation simulation system and a clamp are arranged in the darkroom;
the vehicle-mounted multimedia display screen to be tested is placed on the clamp and is in communication connection with the upper computer testing system; and the visual recognition system and the operation simulation system are in communication connection with the upper computer testing system.
2. The device according to claim 1, wherein the vision recognition system comprises an industrial camera, the industrial camera is in communication connection with the upper computer test system, and a shooting area of the industrial camera covers the clamp, and is used for recording the display state of the vehicle-mounted multimedia display screen to be tested in the test process in real time and uploading the display state to the upper computer test system.
3. The fully automatic testing device for the vehicle-mounted multimedia display function according to claim 2, wherein the vision recognition system further comprises an annular light source, and the annular light source is arranged around the industrial camera and used for supplementing light during the testing process.
4. The fully-automatic vehicle-mounted testing device for the multimedia display function according to claim 1, wherein the operation simulation system comprises a manipulator and a driving mechanism, the driving mechanism is connected with the manipulator and is in communication connection with the upper computer testing system, and the driving mechanism drives the manipulator to simulate a human finger to perform a predetermined operation on the multimedia display screen according to control information of the upper computer testing system.
5. The fully automatic testing device for the vehicle-mounted multimedia display function according to claim 4, wherein the predetermined operations comprise a click operation, a slide operation and a long press operation.
6. The full-automatic vehicle-mounted multimedia display function testing device according to claim 1, wherein a plurality of groups of probes are arranged on the fixture, and after the vehicle-mounted multimedia display screen to be tested is placed on the fixture, an external interface of the multimedia display screen is respectively connected with an external power supply and a CAN bus through the plurality of groups of probes, and is in communication with a machine type of the upper computer testing system through the CAN bus.
7. A full-automatic testing method for vehicle-mounted multimedia display function, which is realized based on the full-automatic testing device for vehicle-mounted multimedia display function of any one of claims 1 to 6, is characterized by comprising the following steps:
s1, initializing the device, including initializing a visual recognition system, an operation simulation system and a clamp;
s2, placing the vehicle-mounted multimedia display screen to be tested on the clamp and electrifying the clamp;
s3, the vision recognition system shoots the display content of the vehicle-mounted multimedia display screen to be tested in real time and uploads the display content to the upper computer test system, and the upper computer test system processes the picture uploaded by the vision recognition system and compares the picture with a reference picture for judgment;
s4, the operation simulation system performs preset operation on the vehicle-mounted multimedia display screen to be tested under the control of the upper computer test system; repeatedly performing steps S3 and S4 until all tests are completed;
and S5, outputting the test result by the upper computer test system, powering off the vehicle-mounted multimedia display screen to be tested, and ending the test.
8. The fully automatic testing method for vehicle-mounted multimedia display function according to claim 7, wherein said step S4 further comprises resetting the operation simulation system after the operation simulation system performs a predetermined operation; the predetermined operation includes a click operation, a slide operation, and a long press operation.
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2021
- 2021-07-21 CN CN202110827338.4A patent/CN113655305A/en active Pending
Patent Citations (6)
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