CN106534838A - Method and device for testing reliability of reversing image - Google Patents
Method and device for testing reliability of reversing image Download PDFInfo
- Publication number
- CN106534838A CN106534838A CN201610875746.6A CN201610875746A CN106534838A CN 106534838 A CN106534838 A CN 106534838A CN 201610875746 A CN201610875746 A CN 201610875746A CN 106534838 A CN106534838 A CN 106534838A
- Authority
- CN
- China
- Prior art keywords
- signal
- testing
- acc
- module
- duration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
Abstract
The invention provides a method and device for testing the reliability of a reversing image. The method comprises the following steps of: setting parameters of testing signals including ACC signals and reversing signals; generating the testing signals according to the parameters of the testing signals; inputting the testing signals in tested equipment to test; and generating a test result. By means of the method and the device provided by the invention, testing of the reversing image at any time in a starting process can be realized; the automatic degree is high; the coverage rate is high; and the test efficiency is increased.
Description
Technical field
The present invention relates to vehicle electronics technical field, more particularly to a kind of reverse image method for testing reliability and device.
Background technology
At present, the reverse image function of inter-vehicle information system has been more and more widely used.Reverse image function is referred to
In vehicle backing, the image of rear view of vehicle is shown on the screen of inter-vehicle information system, so that driver observes rear view of vehicle
Situation, prevent collision, improve drive safety.
The operation principle of reverse image function is：By detect astern signal whether effectively (usually high level is effective) come
Decide whether to start reverse image, that is to say, that when vehicle is moveed backward, astern signal becomes high level useful signal, car
Video channel is switched to reverse image by the video frequency switching module of information carrying breath internal system, is shown on a display screen.
As can be seen here, reversing may occur at any time, and the probability occurred in inter-vehicle information system start-up course also compares
It is larger.Therefore, the reliability of reverse image is just into one of important indicator for weighing the function.Current reverse image reliability
Method of testing is mainly by manually to test, and not only efficiency is low, and cannot accomplish to any time in whole start-up course
Test, coverage rate is relatively low.
Therefore, prior art is further improved.
The content of the invention
The present invention provides a kind of reverse image method for testing reliability and device, it is intended to solve defect of the prior art,
The reverse image test of any time in start-up course is realized, coverage rate is high.
For reaching above-mentioned purpose, the technical solution used in the present invention is：
One aspect of the present invention provides a kind of reverse image method for testing reliability, including：
The parameter of test signal is set, and the test signal includes ACC signals, astern signal；
Test signal is generated according to the parameter of the test signal；
The test signal is input to equipment under test to be tested；
Generate test result.
Specifically, include the step of the parameter of the setting test signal：
Determine length of testing speech T1；
Time delay radix T2 of the astern signal with respect to ACC significant levels is set；
Testing time n is determined according to the start duration T1 and time delay radix T2；
The relative delay Dk of astern signal and ACC significant levels is determined according to test sequence number k；
ACC signal significant levels duration T 3 is set；
ACC invalidating signal level duration T4 are set；
Astern signal significant level duration T 5 is set；
Astern signal inactive level duration T 6 is set.
Specifically, described reverse image testing time n=[T1/T2], [] represents round numbers.
Specifically, the astern signal significant level duration T 5 is set to the car machine of all different models from reversing letter
On number, electricity is to the maximum shown in the time of reversing picture.
Specifically, astern signal inactive level duration T 6=T2+T4-T5-Dk.
Specifically, Dk=(k-1) the * T2 (ms), wherein k is the positive integer less than or equal to n.
Specifically, include the step of the determination length of testing speech：
Start duration T01 is obtained, the start duration T01 refers to inter-vehicle information system from upper electricity to into its default frame
The required time；
Length of testing speech T1=[T01+0.5]+1, [] represent round numbers.
Specifically, include the step of setting ACC signal significant level duration T 3：
Obtain maximum duration T03 into each source；
ACC signals significant level duration T 3=[T03+0.5]+1, [] represent and round.
Specifically, include the step of the setting ACC invalidating signal level duration T4：
Obtain shutdown duration T04；
The ACC invalidating signals level duration T4=[T04+0.5]+10, [] represent and round.
Another aspect of the present invention provides a kind of reverse image RTA reliability test assembly, including car machine, ACC signal generators,
Astern signal generator, back-up video source, unit of testing and controlling；
The car machine at least includes the ACC signal detection modules for recognition detection ACC signals, recognition detection astern signal
Astern signal detection module, enter the video channel handover module of row of channels switching to each road video, and logical to each road video
The video switching mark module that the switching in road is identified；
The unit of testing and controlling include time delay radix setup module, testing time setup module, testing time module, fall
Car signal parameter setup module, ACC signal parameter setup modules, identifier acquisition module, list generation module；
The time delay radix setup module, for arranging the time delay radix of the relative ACC significant levels of astern signal；
The testing time setup module, for arranging length of testing speech；
The testing time module, for determining testing time；
The astern signal parameter setting module, for arranging the relevant parameter of astern signal；
The ACC signal parameters setup module, for arranging the relevant parameter of ACC signals；
The identifier acquisition module, the switching for obtaining the video channel of car machine are identified；
The list generation module, for generating test list.
The beneficial effects of the present invention is：The present invention is by arranging ACC signals, the relevant parameter of astern signal, it is determined that falling
Time delay of the car signal with respect to ACC significant levels, realize the reverse image test of any time in start-up course, automation
Degree is high, and coverage rate is high, improves testing efficiency.
Description of the drawings
Fig. 1 is the time diagram of the test signal of the present invention；
Fig. 2 is the structural representation of the reverse image reliability testing of the present invention.
Specific embodiment
Embodiments of the present invention are illustrated below in conjunction with the accompanying drawings specifically, accompanying drawing is only for reference and explanation is used, and it is right not constitute
The restriction of scope of patent protection of the present invention.
On the one hand embodiments of the invention provide a kind of reverse image method for testing reliability, including：
Step 1, the parameter for arranging test signal, the test signal include ACC signals, astern signal.
Step 2, according to the parameter of the test signal generate test signal.
Step 3, the test signal is input to into equipment under test is tested.
Step 4, generation test result.
Specifically, the step 1 comprises the steps：
Step 101, determine length of testing speech T1.
Specifically, the step 101 includes：
Step 1011, acquisition start duration T01.
The start duration T01 refers to inter-vehicle information system from upper electricity to into the time needed for its default frame.
Step 1021, the length of testing speech T1=[T01+0.5]+1, [] represent round numbers.
For example, if start duration T01 is 4.1s, length of testing speech T1=[4.1+0.5]+1=5s；If start duration
T01 is 4.5s, then described length of testing speech T1=[4.5+0.5]+1=6s.
The time delay radix T2 of step 102, setting astern signal with respect to ACC significant levels.
For example, T2=2ms.
Step 103, testing time n is determined according to the start duration T1 and time delay radix T2.
Specifically, described reverse image testing time n=[T1/T2], [] represents round numbers.
Such as T1=6s=6000ms, T2=2ms, then n=3000.
Step 104, the relative delay Dk for determining astern signal and ACC significant levels according to test sequence number k.
Specifically, Dk=(k-1) the * T2 (ms), wherein k is the positive integer less than or equal to n.
Astern signal is as shown in Figure 1 with the sequential chart of ACC signals：
Work as k=1, represent the 1st test, D1=0, astern signal are 0 with the relative delay of ACC significant levels,
That is, while astern signal is effective, ACC signals are also changed into effective；
Work as k=2, represent the relative delay of the 2nd test, D2=T2=2ms, astern signal and ACC significant levels
For 2ms, that is to say, that after ACC signals are changed into effectively, 2ms astern signals are just effective；
……
By that analogy, as k=n=3000, D2=(3000-1) * T2=5998ms, astern signal and ACC significant levels
Relative delay be 5998ms, that is to say, that after ACC signals are changed into effectively, 5998ms astern signals are just effective, Ye Ji
Inter-vehicle information system is from upper electricity to into before its default frame, during 2ms, astern signal is effective.
Step 105, setting ACC signal significant levels duration T 3.
Specifically, the step 105 includes：
Step 1051, acquisition enter maximum duration T03 in each source.
Step 1052, ACC signals significant level duration T 3=[T03+0.5]+1, [] represent and round.
For example, if the time into sources such as USB sources, navigation sources, radio reception sources is respectively 10.1s, 15.1s, 8s, the T5
=[15.1+0.5]+10=25s；If the time into sources such as USB sources, navigation sources, radio reception sources is respectively 10.1s, 15.6s, 8s,
Then described T5=[15.6+0.5]+10=26s.
Step 106, setting ACC invalidating signal level duration T4.
Specifically, the step 106 includes：
Step 1061, acquisition shutdown duration T04.
Step 1062, the ACC invalidating signals level duration T4=[T04+0.5]+10, [] represent and round.
Step 107, setting astern signal significant level duration T 5.
Due to different model car machine from astern signal electricity to show reversing picture Time Inconsistency, therefore it is described fall
The car machine that car signal significant level duration T 5 is set to all different models is electric to display reversing picture from astern signal
Time in maximum.
Step 108, setting astern signal inactive level duration T 6.
Specifically, astern signal inactive level duration T 6=T2+T4-T5-Dk.
As shown in figure 1, another aspect of the present invention provides a kind of reverse image RTA reliability test assembly, including car machine, ACC letters
Number generator, astern signal generator, back-up video source, unit of testing and controlling；
The car machine at least includes the ACC signal detection modules for recognition detection ACC signals, recognition detection astern signal
Astern signal detection module, enter the video channel handover module of row of channels switching to each road video, and logical to each road video
The video switching mark module that the switching in road is identified；
The unit of testing and controlling include time delay radix setup module, testing time setup module, testing time module, fall
Car signal parameter setup module, ACC signal parameter setup modules, identifier acquisition module, list generation module；
The time delay radix setup module, for arranging the time delay radix of the relative ACC significant levels of astern signal；
The testing time setup module, for arranging length of testing speech；
The testing time module, for determining testing time；
The astern signal parameter setting module, for arranging the relevant parameter of astern signal；
The ACC signal parameters setup module, for arranging the relevant parameter of ACC signals；
The identifier acquisition module, the switching for obtaining the video channel of car machine are identified；
The list generation module, for generating test list.
The course of work of reverse image RTA reliability test assembly of the present invention is：
1st, the parameter setting of each test signal：
First, by time delay radix setup module, testing time setup module to the relative ACC significant levels of astern signal
Time delay radix (such as 2ms), length of testing speech are configured (such as 6s), testing time module according to it is described start duration and
The time delay radix determines testing time (6s/2ms=3000 time), it is also possible to by user's voluntarily input test number of times (example
Such as 2000 times).
Then, the relevant parameter of ACC signals is set by ACC signal parameters setup module, including ACC signal significant levels
Duration, ACC invalidating signal level durations.
Finally, the relevant parameter of astern signal is set by astern signal parameter setting module, it is effective including astern signal
The relative delay of level duration, astern signal inactive level duration and astern signal and ACC significant levels.
Astern signal with the computing formula of the relative delay of ACC significant levels is：Dk=(k-1) * T2 (ms), wherein k be less than
Equal to the positive integer of n.
2nd, the generation of each test signal：
The relevant parameter of the ACC signals that ACC signal generators are arranged according to ACC signal parameters setup module generates ACC letters
Number, the relevant parameter of the astern signal that astern signal generator is arranged according to astern signal parameter setting module generates reversing letter
Number.
3rd, the test of reverse image：
After the ACC detecting signal units detection of car machine recognizes ACC signals, car machine starting up, astern signal detection mould
After block detection recognizes astern signal, video channel is switched to back-up video and is shown by control video channel handover module,
And the video that video switches mark module is switched into the value that home position is agreement.
4th, the record of test result：
The identifier acquisition module of unit of testing and controlling switches the video of mark module and switches flag by obtaining video
Whether value is successful to judge video switching, and generates test result by list generation module record, analyzes for technical staff.
Above disclosed is only presently preferred embodiments of the present invention, it is impossible to limit the rights protection model of the present invention with this
Enclose, therefore the equivalent variations made according to scope of the present invention patent, still belong to the scope covered by the present invention.
Claims (10)
1. a kind of reverse image method for testing reliability, it is characterised in that include：
The parameter of test signal is set, and the test signal includes ACC signals, astern signal；
Test signal is generated according to the parameter of the test signal；
The test signal is input to equipment under test to be tested；
Generate test result.
2. reverse image method for testing reliability according to claim 1, it is characterised in that the setting test signal
The step of parameter, includes：
Determine length of testing speech T1；
Time delay radix T2 of the astern signal with respect to ACC significant levels is set；
Testing time n is determined according to the start duration T1 and time delay radix T2；
The relative delay Dk of astern signal and ACC significant levels is determined according to test sequence number k；
ACC signal significant levels duration T 3 is set；
ACC invalidating signal level duration T4 are set；
Astern signal significant level duration T 5 is set；
Astern signal inactive level duration T 6 is set.
3. reverse image method for testing reliability according to claim 2, it is characterised in that the reverse image test time
Number n=[T1/T2], [] represent round numbers.
4. reverse image method for testing reliability according to claim 2, it is characterised in that the astern signal is effectively electric
Flat duration T 5 be set to the car machine of all different models from astern signal electricity in the time for showing reversing picture most
It is big to be worth.
5. reverse image method for testing reliability according to claim 2, it is characterised in that the invalid electricity of the astern signal
Flat duration T 6=T2+T4-T5-Dk.
6. reverse image method for testing reliability according to claim 2, it is characterised in that Dk=(k-1) * T2
(ms), wherein k is the positive integer less than or equal to n.
7. reverse image method for testing reliability according to claim 2, it is characterised in that the determination length of testing speech
Step includes：
Start duration T01 is obtained, the start duration T01 refers to inter-vehicle information system from upper electricity to into needed for its default frame
Time；
Length of testing speech T1=[T01+0.5]+1, [] represent round numbers.
8. reverse image method for testing reliability according to claim 2, it is characterised in that the setting ACC signals have
The step of effect level duration T3, includes：
Obtain maximum duration T03 into each source；
ACC signals significant level duration T 3=[T03+0.5]+1, [] represent and round.
9. reverse image method for testing reliability according to claim 2, it is characterised in that the setting ACC signals without
The step of effect level duration T4, includes：
Obtain shutdown duration T04；
The ACC invalidating signals level duration T4=[T04+0.5]+10, [] represent and round.
10. a kind of reverse image RTA reliability test assembly, it is characterised in that including car machine, ACC signal generators, astern signal
Generator, back-up video source, unit of testing and controlling；
The car machine at least includes the ACC signal detection modules for recognition detection ACC signals, and recognition detection astern signal falls
Car signal detection module, enters the video channel handover module of row of channels switching to each road video, and to each road video channel
The video switching mark module that switching is identified；
The unit of testing and controlling includes time delay radix setup module, testing time setup module, testing time module, reversing letter
Number parameter setting module, ACC signal parameter setup modules, identifier acquisition module, list generation module；
The time delay radix setup module, for arranging the time delay radix of the relative ACC significant levels of astern signal；
The testing time setup module, for arranging length of testing speech；
The testing time module, for determining testing time；
The astern signal parameter setting module, for arranging the relevant parameter of astern signal；
The ACC signal parameters setup module, for arranging the relevant parameter of ACC signals；
The identifier acquisition module, the switching for obtaining the video channel of car machine are identified；
The list generation module, for generating test list.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610875746.6A CN106534838A (en) | 2016-09-30 | 2016-09-30 | Method and device for testing reliability of reversing image |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610875746.6A CN106534838A (en) | 2016-09-30 | 2016-09-30 | Method and device for testing reliability of reversing image |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106534838A true CN106534838A (en) | 2017-03-22 |
Family
ID=58332966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610875746.6A Pending CN106534838A (en) | 2016-09-30 | 2016-09-30 | Method and device for testing reliability of reversing image |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106534838A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108566548A (en) * | 2017-12-29 | 2018-09-21 | 惠州市德赛西威汽车电子股份有限公司 | A kind of multichannel vehicle entertainment system car-backing function test system |
| CN111626094A (en) * | 2020-04-02 | 2020-09-04 | 惠州市德赛西威汽车电子股份有限公司 | Reversing automatic test system and method for vehicle-mounted entertainment system |
| CN113879213A (en) * | 2021-08-18 | 2022-01-04 | 北京汽车研究总院有限公司 | Vehicle, display system of automatic driving vehicle and control method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202098347U (en) * | 2011-06-14 | 2012-01-04 | 吴建林 | Automobile camera shooting switching controller and automobile camera shooting control system |
| CN102555909A (en) * | 2011-12-31 | 2012-07-11 | 深圳市凌启电子有限公司 | Back-up monitoring driving equipment and back-up monitoring system |
| CN203786291U (en) * | 2014-01-03 | 2014-08-20 | 上海通用汽车有限公司 | Test system for vehicle-mounted reversal radar |
| CN105301569A (en) * | 2014-06-12 | 2016-02-03 | 惠州市德赛西威汽车电子股份有限公司 | Automobile reversing radar display instrument testing system and testing method thereof |
| CN105510651A (en) * | 2015-11-25 | 2016-04-20 | 惠州市德赛西威汽车电子股份有限公司 | Pulse generator and reversal test system |
-
2016
- 2016-09-30 CN CN201610875746.6A patent/CN106534838A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202098347U (en) * | 2011-06-14 | 2012-01-04 | 吴建林 | Automobile camera shooting switching controller and automobile camera shooting control system |
| CN102555909A (en) * | 2011-12-31 | 2012-07-11 | 深圳市凌启电子有限公司 | Back-up monitoring driving equipment and back-up monitoring system |
| CN203786291U (en) * | 2014-01-03 | 2014-08-20 | 上海通用汽车有限公司 | Test system for vehicle-mounted reversal radar |
| CN105301569A (en) * | 2014-06-12 | 2016-02-03 | 惠州市德赛西威汽车电子股份有限公司 | Automobile reversing radar display instrument testing system and testing method thereof |
| CN105510651A (en) * | 2015-11-25 | 2016-04-20 | 惠州市德赛西威汽车电子股份有限公司 | Pulse generator and reversal test system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108566548A (en) * | 2017-12-29 | 2018-09-21 | 惠州市德赛西威汽车电子股份有限公司 | A kind of multichannel vehicle entertainment system car-backing function test system |
| CN111626094A (en) * | 2020-04-02 | 2020-09-04 | 惠州市德赛西威汽车电子股份有限公司 | Reversing automatic test system and method for vehicle-mounted entertainment system |
| CN111626094B (en) * | 2020-04-02 | 2024-01-05 | 惠州市德赛西威汽车电子股份有限公司 | Reversing automatic test system and method for vehicle-mounted entertainment system |
| CN113879213A (en) * | 2021-08-18 | 2022-01-04 | 北京汽车研究总院有限公司 | Vehicle, display system of automatic driving vehicle and control method thereof |
| CN113879213B (en) * | 2021-08-18 | 2023-09-19 | 北京汽车研究总院有限公司 | Vehicle, display system of automatic driving vehicle and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106534838A (en) | Method and device for testing reliability of reversing image | |
| US9674787B2 (en) | Information processing method and electronic device | |
| US20160335391A1 (en) | Method and system for interacting rail transit vehicle commissioning task information | |
| CN105376004B (en) | A kind of adaptive tuning device and method and FM receiver | |
| CN103190923A (en) | Drowsiness detection method and device thereof | |
| US20140168166A1 (en) | Information processing method and electronic device | |
| CN106918360A (en) | Automatic testing method, server, measurement equipment to be checked and terminal | |
| CN105336150A (en) | Sound wave based remote control method and system | |
| CN111791574A (en) | Electric carving equipment and detection method | |
| CN105910620B (en) | The processing method and processing device of step counting data | |
| CN107333077A (en) | A kind of control method of a button and its television set of application | |
| CN109871133A (en) | A kind of control method of keyboard, device, keyboard, computer readable storage medium | |
| US20200279378A1 (en) | Collision determination server, program, and recording medium | |
| JP2009301301A (en) | Input device and input method | |
| US20160216810A1 (en) | Touch display device and driving method thereof | |
| CN108227997A (en) | Gesture identification method, device and electronic equipment | |
| CN212603923U (en) | Electric carving equipment | |
| CN111857413B (en) | Touch screen control method and device, terminal equipment and storage medium | |
| CN106597157A (en) | Button test method and system | |
| CN109991958B (en) | Power-on and power-off testing method and device for electric vehicle and electric vehicle | |
| CN106291205B (en) | A kind of blood oxygen probe method for diagnosing faults and device | |
| CN106031185A (en) | Electronic program table generation apparatus and electronic program table generation method | |
| CN111723041A (en) | Redundancy computer interface unit, redundancy control computer and data transmission method | |
| CN220752232U (en) | Detection device for 300S type ATP functional module | |
| CN105739710A (en) | Measuring instrument input method and input device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170322 |