CN102538860B - Method for testing automobile assembled meter - Google Patents
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- CN102538860B CN102538860B CN201210025593.8A CN201210025593A CN102538860B CN 102538860 B CN102538860 B CN 102538860B CN 201210025593 A CN201210025593 A CN 201210025593A CN 102538860 B CN102538860 B CN 102538860B
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- 238000012360 testing method Methods 0.000 title claims abstract description 269
- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000003993 interaction Effects 0.000 claims description 11
- 239000002826 coolant Substances 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 8
- 230000006870 function Effects 0.000 description 4
- 238000010998 test method Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 239000000306 component Substances 0.000 description 2
- 101000746134 Homo sapiens DNA endonuclease RBBP8 Proteins 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 239000008358 core component Substances 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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- 238000001629 sign test Methods 0.000 description 1
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Abstract
The invention discloses a method and a device for testing an automobile assembled meter, which belong to the technical field of automobiles. The method for testing the automobile assembled meter comprises test instruction obtaining, and test instruction is converted into corresponding test signals which are output to the automobile assembled meter to be tested. The device for testing the automobile assembled meter comprises an acquisition module and a testing module. The device for testing the automobile assembled meter converts the test instruction into the corresponding test signals which are output to the automobile assembled meter to be tested automatically through obtaining the test instruction, does not need to choose an existing measuring instrument to test by hands, and can increase test efficiency and accuracy.
Description
Technical field
The present invention relates to automobile technical field, particularly a kind of method of testing automobile combination instrument.
Background technology
Along with improving constantly of automotive engineering, automobile is more and more universal, and in use automobile process, the various performance parameters (as the speed of a motor vehicle, rotating speed, warning meet) of the automobile that can be shown by automobile combination meter understands the current ruuning situation of automobile.Therefore, whether the various performance parameters of automobile automobile combination meter shown correctly receives the concern of people.In order to ensure the correctness of the various performance parameters of the automobile that automobile combination meter shows, before use automobile combination meter, need to test automobile combination meter.
At present, when testing automobile combination meter, the simple stand manual test of general employing.
But realizing in process of the present invention, inventor finds that prior art at least exists following problem:
The existing method by stand manual test automobile combination meter, need to select existing surveying instrument to test by hand according to the performance parameter of pretest, testing efficiency is low, and poor accuracy.
Summary of the invention
In order to improve efficiency and the accuracy of testing automobile combination instrument, embodiments provide a kind of method and apparatus of testing automobile combination instrument.Described technical scheme is as follows:
A method for testing automobile combination instrument, described method comprises:
Obtain test instruction;
Described test instruction is converted to corresponding test signal to output to automobile combination meter and test;
Wherein, described acquisition test instruction, comprising:
Obtain user and click the information entering man-machine interaction test interface, show main test interface;
Obtain the order that user is inputted by main test interface, judge the type of this order;
If for carrying out the order tested, then according to the type of test command, show corresponding test interface;
When the type of described test command be the speed of a motor vehicle or measurement of rotating speed time, described test interface comprises manual test, sweep test and follow-on test, whether described manual test test speed of a motor vehicle table function is normal, crucial vehicle speed value is tested in sweep test automatically, the flatness of follow-on test test hand motion.
The beneficial effect of the technical scheme that the embodiment of the present invention provides is:
By obtaining test instruction, test instruction being converted to corresponding test signal and outputting to automobile combination meter and can automatically test, do not need to select that existing surveying instrument is manual to be tested, testing efficiency and accuracy can be improved.
Accompanying drawing explanation
Fig. 1 is the method flow diagram of a kind of testing automobile combination instrument that the embodiment of the present invention 1 provides;
Fig. 2 is the method flow diagram of a kind of testing automobile combination instrument that the embodiment of the present invention 2 provides;
Fig. 3 is a kind of method flow diagram realizing man-machine interaction test interface that the embodiment of the present invention 2 provides;
Fig. 4 is the main test interface schematic diagram of one that the embodiment of the present invention 2 provides;
Fig. 5 is a kind of test car speed interface schematic diagram that the embodiment of the present invention 2 provides;
Fig. 6 is a kind of test car speed flowchart that the embodiment of the present invention 2 provides;
Fig. 7 is the hardware configuration schematic diagram of a kind of Meter Test box that the embodiment of the present invention 2 provides;
Fig. 8 is the apparatus structure schematic diagram of a kind of testing automobile combination instrument that the embodiment of the present invention 3 provides.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment 1
See Fig. 1, embodiments provide a kind of method of testing automobile combination instrument, comprising:
101: obtain test instruction.
102: test instruction is converted to corresponding test signal and outputs to automobile combination meter and test.
Wherein, obtain test instruction, be specially:
Test instruction is obtained by man-machine interaction test interface.
Wherein, test instruction is converted to corresponding test signal and outputs to automobile combination meter and test, specifically comprise:
Judge the type of test instruction;
If be the test speed of a motor vehicle or the instruction of rotating speed, then output of pulse signal test instruction being converted to corresponding frequencies is tested to the speed of a motor vehicle of automobile combination meter or rotating speed interface.
Wherein, test instruction is converted to corresponding test signal and outputs to automobile combination meter and test, specifically comprise:
Judge the type of test instruction;
If be the instruction of test coolant temperature, then output of pulse signal test instruction being converted to corresponding dutycycle is tested to the coolant temperature interface of automobile combination meter.
Wherein, test instruction is converted to corresponding test signal and outputs to automobile combination meter and test, specifically comprise:
Judge the type of test instruction;
If be the instruction of test bell character, then test instruction be converted to the bell character interface that high-low voltage outputs to automobile combination meter and test.
The method of the testing automobile combination instrument described in the embodiment of the present invention, by obtaining test instruction, test instruction is converted to corresponding test signal to output to automobile combination meter and can automatically test, do not need to select existing surveying instrument to test by hand, testing efficiency and accuracy can be improved.
Embodiment 2
See Fig. 2, embodiments provide a kind of method of testing automobile combination instrument, comprising:
201: Meter Test box judges whether to receive test instruction, if received, then perform 202; Otherwise, terminate.
Particularly, in the embodiment of the present invention, instrument testing cassete obtains test instruction by man-machine interaction test interface.Man-machine interaction test interface is the platform that tester controls to test, in the embodiment of the present invention, man-machine interaction test interface is arranged on personal computer (personal computer, PC), utilizes VB(Visual Basic) realize, see Fig. 3, specific implementation process is as follows:
2011: obtain user and click the information entering man-machine interaction test interface, show main test interface.
The system that can realize in the embodiment of the present invention being undertaken testing by man-machine interaction test interface is called automobile combination instrument test system, user clicks automobile combination instrument test system, main test interface can be shown, see Fig. 4, in the embodiment of the present invention, main test interface comprises test car speed, measurement of rotating speed, coolant temperature test, bell character test and exits the options such as test, and user can click corresponding option as the case may be and carry out testing or exiting test.
2012: obtaining the order that user is inputted by main test interface, judging the type of this order, if for carrying out the order tested, then perform 2013; If be the order exiting test, then perform 2015.
2013: according to the type of test, show corresponding test interface.
It should be noted that, man-machine interaction test interface is not limited to arrange on a personal computer, can also be set directly at Meter Test box, or on other similar devices, not limit this.
In the embodiment of the present invention, the type of test comprises the test of test car speed, measurement of rotating speed and coolant temperature, and each test-types is to there being a test interface.See Fig. 5, the type of carrying out testing as user is test car speed, then show test car speed interface, can realize the test car speed of various ways in the embodiment of the present invention, the performance of inspection speedometer different aspect, whether " manual test " tests speed of a motor vehicle table function normal, " sweep test " can test crucial vehicle speed value automatically, time " follow-on test ", the speed of a motor vehicle can drag with sliding button and change, and can test the flatness of hand motion.In addition, according to different automobile combination meters, different PPK(Process Performance In-dex can be set in the menu at test car speed interface) value also corresponding " speed of a motor vehicle----frequency " table generating acquiescence, click the default value test in " sweep test frame ", automatically each point that " speed of a motor vehicle----frequency " is shown can be tested, without the need to manually inputting analyzing spot.The function of the test interface corresponding to the type that other are tested is as shown in table 1:
Table 1
2014: obtained the test instruction that the type is tested by test interface, test instruction is sent to Meter Test box, then perform 2012.
Particularly, after entering certain test interface, click after clicking certain order or input data and send, PC sends corresponding test instruction to Meter Test box.
2015: exit main test interface, then terminate.
And particularly, adopt serial ports (RS232) communication modes between PC and Meter Test box in the embodiment of the present invention, serial ports parameter is as table 2:
Table 2
| Baud rate | Port numbers | Parity checking | Data bit | Position of rest |
| 9600 | COM1 | N | 8 | 1 |
202: Meter Test box judges whether to carry out other tests, if so, then performs 203; Otherwise, perform 205.
203: Meter Test box compares the priority level between test corresponding to the test instruction that gets and ongoing test, if the priority level of the test that the test instruction got is corresponding is higher than ongoing test, then interrupt ongoing test, then perform 205; Otherwise, perform 204.
204: Meter Test box judges whether to exceed the default stand-by period, if do not had, then performs 202; Otherwise, perform 201.
205: Meter Test box judges the type of test instruction, if the instruction for testing the speed of a motor vehicle or rotating speed, then perform 206; If be the instruction of test coolant temperature, then perform 207; If be the instruction of test bell character, then perform 208.
206: the output of pulse signal that test instruction is converted to corresponding frequencies by Meter Test box is tested to the speed of a motor vehicle of automobile combination meter or rotating speed interface, then performs 201.
207: the output of pulse signal that test instruction is converted to corresponding dutycycle by Meter Test box is tested to the coolant temperature interface of automobile combination meter, then performs 201.
208: test instruction is converted to the bell character interface that high-low voltage outputs to automobile combination meter and tests by Meter Test box, then performs 201.
Particularly, in the embodiment of the present invention, instrument testing cassete adopts STC89C51 chip microcontroller function, it is STC89 series enhancement mode 8 single-chip microcomputers, clock frequency can reach 80MHz, 6Clock(clock can be worked in), 32I/O mouth, 3 timers, built-in WDT(Watchdog Timer, house dog), EEPROM (Electrically Erasable Programmable Read-Only Memory, EEPROM (Electrically Erasable Programmable Read Only Memo)), crystal oscillator adopts 12M/11.0592M.
Particularly, in the embodiment of the present invention, instrument testing cassete adopts serial ports and main interface communication, and hardware circuit adopts the RS232 interface of standard.In the embodiment of the present invention, pulse signal is realized by scm software completely, can save hardware cost.In the embodiment of the present invention, instrument testing cassete needs output three road pulse signal, and to test the speed of a motor vehicle, output circuit adopts open collector to export.See Fig. 6, when clicking test car speed, detailed process is as follows:
3010: receive test speed of a motor vehicle command signal.
3011: enter interruption.
3012: output LOW voltage, start timer.
3013: judge whether timing terminates, if terminated, perform 3014; Otherwise, perform 3012.
3014: output HIGH voltage.
3015: judge whether to receive other signals, if received, perform 3016; Otherwise, perform 3012.
3016: judge whether to respond other signals, if response, perform 3017; Otherwise, perform 3011.
3017: perform other operations.
And, due to present automobile combination meter bell character more (generally at 15 to 20), 51 series monolithic I O mouth less, single-chip processor i/o mouth can not be adopted directly to export, therefore the embodiment of the present invention adopts 2 3-8 code translators to export high-low voltage, namely by 6 I O mouth substantially can realize the sign test of automobile combination meter All Alerts.Particularly, as shown in Figure 6, program realizes relatively simple circuit theory, respective pins is put high or low after CPU receives orders, and when exiting this test, code translator latches by CPU.
Particularly, see Fig. 7, it is the hardware configuration schematic diagram of the Meter Test box of the embodiment of the present invention.The main components inventory that the Meter Test box of the embodiment of the present invention is used is as shown in table 3:
Table 3
| components and parts | purposes |
| single-chip microcomputer STC89C51 | primary processor is the core component of Meter Test box. |
| code translator 74LS138 | 2, export high low-voltage, for testing alarm lamp. |
| serial port module MAX232 | by standard agreement process serial communication. |
| serial ports plug-in unit RS232 | meter Test box and PC interface. |
| instrumentation tap plug-in unit | meter Test box and automobile combination meter interface. |
The method of the testing automobile combination instrument described in the embodiment of the present invention, by obtaining test instruction, test instruction is converted to corresponding test signal to output to automobile combination meter and can automatically test, do not need to select existing surveying instrument to test by hand, testing efficiency and accuracy can be improved.
Embodiment 3
See Fig. 8, embodiments provide a kind of device of testing automobile combination instrument, this device comprises:
Acquisition module 301, for obtaining test instruction;
Test module 302, the test instruction for being obtained by acquisition module 301 is converted to corresponding test signal and outputs to automobile combination meter and test.
Further, acquisition module 301, specifically for obtaining test instruction by man-machine interaction test interface.
Further, test module 302, specifically comprises:
First judging unit, for judging the type of the test instruction that acquisition module 301 obtains;
First test cell, for judge when the first judging unit test instruction be the test speed of a motor vehicle or the instruction of rotating speed time, output of pulse signal test instruction being converted to corresponding frequencies is tested to the speed of a motor vehicle of automobile combination meter or rotating speed interface.
Further, test module 302, specifically comprises:
Second judging unit, for judging the type of the test instruction that acquisition module 301 obtains;
Second test cell, during for judging that when the second judging unit test instruction is the instruction of test coolant temperature, output of pulse signal test instruction being converted to corresponding dutycycle is tested to the coolant temperature interface of automobile combination meter.
Further, test module 302, specifically comprises:
3rd judging unit, for judging the type of the test instruction that acquisition module 301 obtains;
3rd test cell, during for judging that when the 3rd judging unit test instruction is the instruction of test bell character, being converted to the bell character interface that high-low voltage outputs to automobile combination meter and testing by test instruction.
The device of the testing automobile combination instrument described in the embodiment of the present invention, by obtaining test instruction, test instruction is converted to corresponding test signal to output to automobile combination meter and can automatically test, do not need to select existing surveying instrument to test by hand, testing efficiency and accuracy can be improved.
All or part of content in the technical scheme that above embodiment provides can be realized by software programming, and its software program is stored in the storage medium that can read, storage medium such as: the hard disk in computing machine, CD or floppy disk.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. a method for testing automobile combination instrument, is characterized in that, described method comprises:
Obtain test instruction;
Described test instruction is converted to corresponding test signal to output to automobile combination meter and test;
Wherein, described acquisition test instruction, comprising:
Obtain user and click the information entering man-machine interaction test interface, show main test interface;
Obtain the order that user is inputted by main test interface, judge the type of this order;
If for carrying out the order tested, then according to the type of test command, show corresponding test interface;
When the type of described test command be the speed of a motor vehicle or measurement of rotating speed time, described test interface comprises manual test, sweep test and follow-on test, whether described manual test test speed of a motor vehicle table function is normal, crucial vehicle speed value is tested in sweep test automatically, the flatness of follow-on test test hand motion;
Described sweep test comprises: in the menu of described test interface, set different Process Performance In-dex values and corresponding " speed of a motor vehicle----frequency " table generating acquiescence, click the default value test in " sweep test frame ", automatically test each point that " speed of a motor vehicle----frequency " is shown.
2. the method for testing automobile combination instrument according to claim 1, is characterized in that, described test instruction is converted to corresponding test signal and outputs to automobile combination meter and test, specifically comprise:
Judge the type of described test instruction;
If be the test speed of a motor vehicle or the instruction of rotating speed, then the output of pulse signal described test instruction being converted to corresponding frequencies is tested to the speed of a motor vehicle of automobile combination meter or rotating speed interface.
3. the method for testing automobile combination instrument according to claim 1, is characterized in that, described test instruction is converted to corresponding test signal and outputs to automobile combination meter and test, specifically comprise:
Judge the type of described test instruction;
If be the instruction of test coolant temperature, then the output of pulse signal described test instruction being converted to corresponding dutycycle is tested to the coolant temperature interface of automobile combination meter.
4. the method for testing automobile combination instrument according to claim 1, is characterized in that, described test instruction is converted to corresponding test signal and outputs to automobile combination meter and test, specifically comprise:
Judge the type of test instruction;
If be the instruction of test bell character, then described test instruction be converted to the bell character interface that high-low voltage outputs to automobile combination meter and test.
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| CN201210025593.8A CN102538860B (en) | 2012-02-06 | 2012-02-06 | Method for testing automobile assembled meter |
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| CN201210025593.8A CN102538860B (en) | 2012-02-06 | 2012-02-06 | Method for testing automobile assembled meter |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103759755A (en) * | 2013-12-21 | 2014-04-30 | 柳州航盛科技有限公司 | Upper computer operating system of test device of combined instrument of automobile |
| CN104748781A (en) * | 2015-04-22 | 2015-07-01 | 航天科技控股集团股份有限公司 | Car instrument testing platform test parameter setting method |
| CN104913804A (en) * | 2015-06-26 | 2015-09-16 | 武汉光庭科技有限公司 | Product detection method and information analysis and excitation generation box |
| CN108023513A (en) * | 2016-11-04 | 2018-05-11 | 德昌电机(深圳)有限公司 | Motor driving integrated circuit and electric machine |
| CN110887518A (en) * | 2018-09-11 | 2020-03-17 | 广州汽车集团股份有限公司 | Test method of combination instrument |
| CN113587973B (en) * | 2021-08-19 | 2024-01-05 | 南京市芯佳元科技有限公司 | Automatic test box and test method for testing instrument panel of two-wheel vehicle |
| CN117517826A (en) * | 2023-11-07 | 2024-02-06 | 镁佳(北京)科技有限公司 | Automobile instrument testing system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101451863A (en) * | 2008-12-29 | 2009-06-10 | 奇瑞汽车股份有限公司 | Automobile combination instrument test method and apparatus thereof |
| CN101696887A (en) * | 2009-10-20 | 2010-04-21 | 中国汽车技术研究中心 | Universalization test system for endurance performance of automobile digital instrument and detecting method thereof |
| CN201607243U (en) * | 2009-10-20 | 2010-10-13 | 中国汽车技术研究中心 | Modularized design-based universal detection device for lasting quality of vehicle instruments |
| CN102175280A (en) * | 2011-01-07 | 2011-09-07 | 内蒙古科技大学 | Digitalized vehicle instrument simulating device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032927B (en) * | 2009-09-30 | 2013-09-18 | 比亚迪股份有限公司 | System for testing sensitivity of automobile instrument with controller area network (CAN) bus and testing method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101451863A (en) * | 2008-12-29 | 2009-06-10 | 奇瑞汽车股份有限公司 | Automobile combination instrument test method and apparatus thereof |
| CN101696887A (en) * | 2009-10-20 | 2010-04-21 | 中国汽车技术研究中心 | Universalization test system for endurance performance of automobile digital instrument and detecting method thereof |
| CN201607243U (en) * | 2009-10-20 | 2010-10-13 | 中国汽车技术研究中心 | Modularized design-based universal detection device for lasting quality of vehicle instruments |
| CN102175280A (en) * | 2011-01-07 | 2011-09-07 | 内蒙古科技大学 | Digitalized vehicle instrument simulating device |
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