CN111964771A - Acceleration sensor-based touch panel vibration automatic test system and method - Google Patents
Acceleration sensor-based touch panel vibration automatic test system and method Download PDFInfo
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- CN111964771A CN111964771A CN202010905157.4A CN202010905157A CN111964771A CN 111964771 A CN111964771 A CN 111964771A CN 202010905157 A CN202010905157 A CN 202010905157A CN 111964771 A CN111964771 A CN 111964771A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
Abstract
The invention provides an acceleration sensor-based touch panel vibration automatic test system and method, which comprise a product to be tested, a direct-current power supply, an execution module, a CAN module, an oscilloscope module, an acceleration sensor and a PC module, wherein the acceleration sensor comprises: the direct current power supply supplies power to a product to be detected; the PC module sends a vibration instruction to the execution module through the CAN module; the execution module generates vibration on a product to be detected; the acceleration sensor is arranged on the surface of the product to be detected and senses the vibration of the product to be detected; the oscilloscope module acquires the detection data of the acceleration sensor on the product to be detected and transmits the detection data to the PC module; and the PC module processes the received monitoring data again, makes a judgment result and outputs a detection report. The invention improves the accuracy of the test, and solves the problems that the compatible test of the touch vibration panel of the automobile is small, the test of the touch vibration capability in the automobile electronic industry is insufficient, and the test is only dependent on hand feeling.
Description
Technical Field
The invention relates to the field of panel testing, in particular to an acceleration sensor-based automatic touch panel vibration testing system and method.
Background
Traditional car touch panel mainly relies on artifical sensation vibration problem, and detection accuracy is not high, and detection efficiency is low.
The patent document CN208722143U discloses a vibration feedback structure of a touch panel, which belongs to the technical field of automotive electronic equipment. The touch panel solves the problems of poor vibration feedback effect, complex structure and high noise of the vibration feedback structure of the existing touch panel. This vibration feedback structure of touch panel, including mount pad and the installing support that is used for installing touch panel, linked firmly the linking bridge on the mount pad, be connected with the flexure strip that can produce the vibration on the linking bridge, installing support connects on this flexure strip, is equipped with the vibration unit of its drive direction and the plumb line syntropy of flexure strip on the mount pad, and the vibration portion of vibration unit is used in on the installing support. The utility model has the advantages of easy assembly, stable and reliable connection, low noise, good vibration effect and the like. However, the vibration detection accuracy of the above-mentioned scheme is insufficient.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an acceleration sensor-based automatic touch panel vibration testing system and method.
The invention provides an acceleration sensor-based touch panel vibration automatic test system, which comprises a product to be tested, a direct-current power supply, an execution module, a CAN module, an oscilloscope module, an acceleration sensor and a PC module, wherein:
the direct current power supply supplies power to a product to be detected;
the PC module sends a vibration instruction to the execution module through the CAN module;
the execution module generates vibration on a product to be detected;
the acceleration sensor is arranged on the surface of the product to be detected and senses the vibration of the product to be detected;
the oscilloscope module acquires the detection data of the acceleration sensor on the product to be detected and transmits the detection data to the PC module;
and the PC module processes the received monitoring data again, makes a judgment result and outputs a detection report.
Preferably, the direct current power supply provides 13.5V DC power to the product to be tested.
Preferably, the PC module employs a LabVIEW automatic test program.
Preferably, the PC module judges the vibration state of the product to be tested, and when the acceleration peak value of the product to be tested is 1.5 +/-0.5 g, the rise time is less than 50ms, and the decay time is less than 50ms, the product to be tested is determined to be a good product; otherwise, the product to be tested is determined to be a defective product.
Preferably, the oscilloscope module comprises a PICO oscilloscope.
The invention provides an automatic test method for vibration of a touch panel based on an acceleration sensor, which comprises the following steps:
a power supply step: the direct current power supply supplies power to a product to be detected;
an instruction sending step: the PC module sends a vibration instruction to the execution module through the CAN module;
a vibration step: the execution module generates vibration on a product to be detected;
the testing steps are as follows: the acceleration sensor is arranged on the surface of the product to be detected and senses the vibration of the product to be detected;
a data transmission step: the oscilloscope module acquires the detection data of the acceleration sensor on the product to be detected and transmits the detection data to the PC module;
a judgment processing step: and the PC module processes the received monitoring data again, makes a judgment result and outputs a detection report.
Preferably, the direct current power supply provides 13.5V DC power to the product to be tested.
Preferably, the PC module employs a LabVIEW automatic test program.
Preferably, the PC module judges the vibration state of the product to be tested, and when the acceleration peak value of the product to be tested is 1.5 +/-0.5 g, the rising time is less than 50ms, and the decay time is less than 50ms, the product to be tested is determined to be a good product; otherwise, the product to be tested is determined to be a defective product.
Preferably, the oscilloscope module comprises a PICO oscilloscope.
Compared with the prior art, the invention has the following beneficial effects:
1. by adopting the single-axis acceleration sensor, the problem that the vibration capability of the automobile touch panel cannot be quantitatively detected due to manual feeling in the prior art is solved, and the accuracy of the test is improved.
2. The invention solves the problem of small touch vibration panel of the compatible test automobile by adopting the acceleration sensor with small volume and light weight.
3. According to the invention, the PICO oscilloscope is adopted to collect data, so that the problem of insufficient precision of the traditional oscilloscope is solved, and the test precision is improved.
4. By adopting the LabVIEW software automatic testing platform, the problem of manual misjudgment is solved, and the testing reliability is improved.
5. The invention solves the problems that the automobile electronic industry is insufficient in testing the touch vibration capability and only depends on hand feeling by adopting the acceleration sensor-based touch panel vibration automatic testing system.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic diagram of an acceleration sensor based touch panel vibration automatic test system;
FIG. 2 is a flow chart of an automatic test method for vibration of a touch panel based on an acceleration sensor;
fig. 3 is a schematic display diagram of an acceleration sensor-based touch panel vibration automatic test system.
The figures show that:
1-product to be tested
2-DC power supply
3-CAN tool
4-single axis acceleration sensor
5-PICO oscilloscope
6-upper computer PC
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
As shown in fig. 1 to 3, the system and method for automatically testing the vibration of the touch panel based on the acceleration sensor according to the present invention includes a product to be tested, a DC power supply, a CAN tool, a PICO oscilloscope, an actuator, a single-axis acceleration sensor, and an upper computer PC, wherein the DC power supply provides a 13.5V DC power supply for the product to be tested, the CAN tool is used to send a diagnosis command to drive the actuator on the panel vibration mechanism to vibrate, the single-axis acceleration sensor is used to sense the vibration of the panel and convert the vibration into an electrical signal, the PICO oscilloscope is used to collect the data of the acceleration sensor and transmit the data to the upper computer PC, and the upper computer PC processes the collected data to automatically determine a test result and output a test report.
The invention also provides an acceleration sensor-based automatic touch panel vibration testing method, which specifically comprises the following steps: the equipment developer can define the attachment position of the acceleration sensor according to different automobile vibration panels in advance, and starts an automatic test program of the PC end of the upper computer. The automatic test program adopts LabVIEW graphical programming language program development environment, runs in a Windows operating system, is well known and is convenient to operate. And a LabVIEW engineering system is constructed to realize drive control, data acquisition, data processing, report result output and the like.
An operator attaches a single-axis acceleration sensor to a defined position, then starts an upper computer PC end LabVIEW automatic test program, the program automatically drives a panel to vibrate, the single-axis acceleration sensor senses the vibration of the panel and converts the vibration into an electric signal, the LabVIEW program controls a PICO oscilloscope to collect data of the single-axis acceleration sensor and transmits the data to an upper computer PC, the upper computer PC end LabVIEW program processes the collected data again, then the upper computer PC end LabVIEW program calculates and extracts an acceleration peak value, a rise time and a decay time value, if the acceleration peak value is 1.5 +/-0.5 g, the rise time is less than 50ms and the decay time is less than 50ms, the upper computer PC end LabVIEW program judges that the product vibration state is good, otherwise, the defective product is judged, a test report is output according to the automatic judgment test result, the operator can directly obtain a specific test result on an upper computer PC end LabVIEW program display interface, clear at a glance without manual judgment.
The invention can test the vibration index of the automobile touch panel quantitatively, comprehensively and accurately, mainly comprises the acceleration peak value, the rise time and the decay time when the panel vibrates, and realizes the automatic test through LabVIEW. The problem of artifical erroneous judgement is solved, the test reliability is improved. Meanwhile, the problem that the touch vibration capability of the automobile electronic industry is not enough to be tested and only the hand feeling is relied on is solved.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. The utility model provides a touch panel vibration automatic test system based on acceleration sensor which characterized in that, is including the product that awaits measuring, DC power supply, execution module, CAN module, oscilloscope module, acceleration sensor and PC module, wherein:
the direct current power supply supplies power to a product to be detected;
the PC module sends a vibration instruction to the execution module through the CAN module;
the execution module generates vibration on a product to be detected;
the acceleration sensor is arranged on the surface of the product to be detected and senses the vibration of the product to be detected;
the oscilloscope module acquires the detection data of the acceleration sensor on the product to be detected and transmits the detection data to the PC module;
and the PC module processes the received monitoring data again, makes a judgment result and outputs a detection report.
2. The acceleration sensor-based touch panel vibration automatic test system of claim 1, wherein the direct current power supply provides 13.5V DC power to the product under test.
3. The acceleration sensor-based touch panel vibration automatic test system of claim 1, wherein the PC module employs a LabVIEW automatic test program.
4. The system of claim 1, wherein the PC module determines a vibration state of the product under test, and determines that the product under test is good when an acceleration peak of the product under test is 1.5 ± 0.5g, a rise time of less than 50ms, and a decay time of less than 50 ms; otherwise, the product to be tested is determined to be a defective product.
5. The acceleration sensor-based touch panel vibration automatic test system of claim 1, wherein the oscilloscope module comprises a PICO oscilloscope.
6. An automatic test method for vibration of a touch panel based on an acceleration sensor is characterized by comprising the following steps:
a power supply step: the direct current power supply supplies power to a product to be detected;
an instruction sending step: the PC module sends a vibration instruction to the execution module through the CAN module;
a vibration step: the execution module generates vibration on a product to be detected;
the testing steps are as follows: the acceleration sensor is arranged on the surface of the product to be detected and senses the vibration of the product to be detected;
a data transmission step: the oscilloscope module acquires the detection data of the acceleration sensor on the product to be detected and transmits the detection data to the PC module;
a judgment processing step: and the PC module processes the received monitoring data again, makes a judgment result and outputs a detection report.
7. The acceleration sensor-based touch panel vibration automatic test method of claim 6, wherein the direct current power supply provides 13.5V DC power to the product under test.
8. The acceleration-sensor-based touch panel vibration automatic test method according to claim 6, characterized in that the PC module employs a LabVIEW automatic test program.
9. The method for automatically testing the vibration of the touch panel based on the acceleration sensor as claimed in claim 6, wherein the PC module judges the vibration state of the product to be tested, and when the acceleration peak value of the product to be tested is 1.5 ± 0.5g, the rise time is less than 50ms, and the decay time is less than 50ms, the product to be tested is determined to be good; otherwise, the product to be tested is determined to be a defective product.
10. The acceleration sensor-based touch panel vibration automatic test method of claim 6, wherein the oscilloscope module comprises a PICO oscilloscope.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010905157.4A CN111964771A (en) | 2020-09-01 | 2020-09-01 | Acceleration sensor-based touch panel vibration automatic test system and method |
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| CN202010905157.4A CN111964771A (en) | 2020-09-01 | 2020-09-01 | Acceleration sensor-based touch panel vibration automatic test system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113686529A (en) * | 2021-10-26 | 2021-11-23 | 山东润龙轴承有限公司 | Acrylic plate vibration measurement system and device based on ultrasonic waves |
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| CN113686529A (en) * | 2021-10-26 | 2021-11-23 | 山东润龙轴承有限公司 | Acrylic plate vibration measurement system and device based on ultrasonic waves |
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Application publication date: 20201120 |