CN208077586U - A kind of detection device of vehicle-mounted large-size screen monitors - Google Patents
A kind of detection device of vehicle-mounted large-size screen monitors Download PDFInfo
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- CN208077586U CN208077586U CN201820603239.1U CN201820603239U CN208077586U CN 208077586 U CN208077586 U CN 208077586U CN 201820603239 U CN201820603239 U CN 201820603239U CN 208077586 U CN208077586 U CN 208077586U
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- screen monitors
- mounted large
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Abstract
The utility model provides a kind of detection device of vehicle-mounted large-size screen monitors, belongs to automobile technical field.It, which solves existing technology, can not judge to show whether content shows as required in LED display, cannot be satisfied to vehicle-mounted large-size screen monitors test the problem of needs.The detection device of this vehicle-mounted large-size screen monitors includes controlling vehicle-mounted large-size screen monitors for generating control instruction and carrying out the mobile terminal of discriminatory analysis to the content that vehicle-mounted large-size screen monitors shows and the MCU for controlling signal to vehicle-mounted large-size screen monitors of measurement information to be checked for sending mobile terminal conveying, the USB interface for connecting vehicle-mounted large-size screen monitors is connected on mobile terminal, it is connected with serial port chip between mobile terminal and MCU, the communication interface for connecting vehicle-mounted large-size screen monitors is connected on MCU.This detection device can realize the detection that vehicle-mounted large-size screen monitors are shown with content, and at low cost, and the testing time is few.
Description
Technical field
The utility model belongs to automobile technical field, is related to a kind of detection device of vehicle-mounted large-size screen monitors.
Background technology
Present vehicle-mounted large-size screen monitors show that content is more and more, such as tire pressure, tyre temperature, body control system (BCM)
Setting, 360 full-view images etc..In order to be applicable in this multi-functional display requirement, present vehicle-mounted large-size screen monitors are often built-in to be grasped
Make system, Android system is used for vehicle-mounted large-size screen monitors as the system that mainstream is increased income becomes main mode.
As vehicle-mounted large-size screen monitors show that content is more and more abundant, to the test job amounts of vehicle-mounted large-size screen monitors with regard to more and more, how
Efficiently carrying out testing just becomes an important job, and existing large-size screen monitors automated test device is generally required using machinery
The ancillary equipments such as hand, camera could be completed, not only of high cost in this way, but also expend a large amount of debug time.
In view of the above problems, existing Chinese patent literature discloses a kind of control of on-line checking LED display
System processed【Application number：CN201110101852.6】, include for handling the place for generating control signal and controlling external LED display screen
Unit is managed, the detection unit for detecting the display data of each LED in LED display is used for the analysis list analysis shows that data
Member, the examining report generation unit for automatically generating examining report data according to the analysis result are several for being pre-stored
The storage unit of fault solution, for the corresponding selection fault solution when examining report data symbols unify preset condition
Selecting unit；Display unit shows corresponding examining report also according to examining report data；Processing unit is also according to failure solution
Certainly project setting display data.Although the invention it is presetting can to analyze generation with each display data of on-line checking LED display
Examining report and display, find LED display break down when, can also automatically be eliminated according to presetting solution
The failure of generation saves maintenance cost.But the invention mainly to display brightness, display tonal gradation, display frequency and
The case where wavelength value of each LED and the operating voltage of each LED, carries out fault detect, can not judge to show content in LED display
Whether show as required, cannot be satisfied the needs tested vehicle-mounted large-size screen monitors.
Invention content
The purpose of this utility model is in view of the above-mentioned problems existing in the prior art, it is proposed that a kind of detection of vehicle-mounted large-size screen monitors
Device, the detection devices of the vehicle-mounted large-size screen monitors the technical problem to be solved is that：How the inspection that vehicle-mounted large-size screen monitors shown with content is realized
It surveys.
The purpose of this utility model can be realized by following technical proposal：A kind of detection device of vehicle-mounted large-size screen monitors, including
Vehicle-mounted large-size screen monitors are controlled for generating control instruction and the mobile terminal of discriminatory analysis is carried out to the content that vehicle-mounted large-size screen monitors are shown, it is special
Sign is that the detection device further includes the control signal of the measurement information to be checked for sending the mobile terminal conveying to vehicle-mounted
The MCU of large-size screen monitors is connected with the USB interface for connecting vehicle-mounted large-size screen monitors, the mobile terminal and the MCU on the mobile terminal
Between be connected with serial port chip, the communication interface for connecting vehicle-mounted large-size screen monitors is connected on the MCU.
The detection device of this vehicle-mounted large-size screen monitors is in use, vehicle-mounted large-size screen monitors establish ADB companies by USB interface and mobile terminal
It connects, vehicle-mounted large-size screen monitors establish information communication by communication interface and MCU, and mobile terminal is established serial ports by serial port chip and MCU and led to
News.When being detected, the vehicle-mounted large-size screen monitors of mobile terminal generation control signal control enter test interface, and mobile terminal will be vehicle-mounted big
The content information of screen display carries out discriminatory analysis, confirms whether vehicle-mounted large-size screen monitors enter test interface as required, if not as required
Test interface is entered, then is recorded；MCU receives the control signal of the measurement information to be checked of mobile terminal conveying, such as the near front wheel
The control signal is sent to vehicle-mounted large-size screen monitors by tire pressure data, tyre temperature etc., MCU, and mobile terminal is by display such as left front tire
It presses data or the interface content information of tyre temperature to carry out discriminatory analysis, confirms whether vehicle-mounted large-size screen monitors show as required, and then will
Judgement result is stored, and the detection that vehicle-mounted large-size screen monitors are shown with content is realized, simple in structure, without using manipulator and camera shooting
First-class ancillary equipment effectively reduces use cost, and reduces debug time.
In the detection device of above-mentioned vehicle-mounted large-size screen monitors, CAN transmitting-receivings are connected between the MCU and the communication interface
Device.
In the detection device of above-mentioned vehicle-mounted large-size screen monitors, Ethernet receipts are connected between the MCU and the communication interface
Send out device.
CAN transceiver is used to level signal being converted to CAN bus level, and ethernet transceiver is used to turn level signal
Be changed to industry ethernet level, carry CAN bus in vehicle-mounted large-size screen monitors or when included industry ethernet, can realize vehicle-mounted large-size screen monitors with
The detection that vehicle-mounted large-size screen monitors are shown with content is realized in the communication of MCU.
In the detection device of above-mentioned vehicle-mounted large-size screen monitors, the mobile terminal include for generate the button of control instruction,
The controller that content for being shown to vehicle-mounted large-size screen monitors carries out sectional drawing and compares shot image information and the interface information to prestore
And the display screen for being shown to comparison result, the button and display screen are connect with controller.Button is for producing
Raw control signal controls instruction and the sectional drawing instruction that vehicle-mounted large-size screen monitors enter test interface, is convenient for the detection to vehicle-mounted large-size screen monitors, carries
The efficiency of high vehicle-mounted large-size screen monitors detection.
In the detection device of above-mentioned vehicle-mounted large-size screen monitors, the display screen is touching display screen.Using touch display
Screen can realize touch operation, convenient for being detected to vehicle-mounted large-size screen monitors, reduce the testing time.
In the detection device of above-mentioned vehicle-mounted large-size screen monitors, the mobile terminal is connected with for detecting that vehicle-mounted large-size screen monitors deposit
The alarm alarmed in failure.
In the detection device of above-mentioned vehicle-mounted large-size screen monitors, the MCU uses microcontroller MC9812XEMAL.
In the detection device of above-mentioned vehicle-mounted large-size screen monitors, the CAN chips use TJA1040 chips.
In the detection device of above-mentioned vehicle-mounted large-size screen monitors, the serial port chip uses MAX232 chips.
In the detection device of above-mentioned vehicle-mounted large-size screen monitors, the mobile terminal is PC machine or mobile phone.
Compared with prior art, the detection device of this vehicle-mounted large-size screen monitors can simulate the display content of vehicle-mounted large-size screen monitors,
Such as tire pressure, tyre temperature, the setting of body control system and 360 full-view image corresponding signals can be sent to vehicle-mounted
Large-size screen monitors, and then compared with the interface images pre-saved in mobile terminal by the sectional drawing to vehicle-mounted large-size screen monitors interface, from
And judge whether vehicle-mounted large-size screen monitors show as required, the detection that vehicle-mounted large-size screen monitors are shown with content is realized, and without using machinery
The ancillary equipments such as hand and camera, effectively reduce testing cost, reduce debug time and testing expense.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
In figure, 1, mobile terminal；11, controller；12, button；13, display screen；2,MCU；3, serial port chip；4, USB connects
Mouthful；5, communication interface；6, CAN transceiver；7, ethernet transceiver；8, vehicle-mounted large-size screen monitors；9, alarm.
Specific implementation mode
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figure 1, the detection device of this vehicle-mounted large-size screen monitors includes controlling vehicle-mounted large-size screen monitors 8 and to vehicle for generating control instruction
It carries the content that large-size screen monitors 8 are shown and carries out the mobile terminal 1 of discriminatory analysis and the measurement information to be checked for sending the conveying of mobile terminal 1
MCU 2 of the signal to vehicle-mounted large-size screen monitors 8 is controlled, the USB interface 4 for connecting vehicle-mounted large-size screen monitors 8 is connected on mobile terminal 1, it is mobile
It is connected with serial port chip 3 between terminal 1 and MCU 2, the communication interface 5 for connecting vehicle-mounted large-size screen monitors 8 is connected on MCU 2.
Preferably, the quantity of communication interface 5 is several.Multiple communication interfaces 5 are set, it can be simultaneously to multiple
Vehicle-mounted large-size screen monitors 8 are detected, and improve detection efficiency.
Preferably, CAN transceiver 6 is also associated between MCU 2 and communication interface 5.CAN transceiver 6 is used for will
Level signal is converted to CAN bus level, when vehicle-mounted large-size screen monitors 8 carry CAN bus, can be realized by CAN transceiver 6 vehicle-mounted
The communication of large-size screen monitors 8 and MCU 2.
Preferably, ethernet transceiver 7 is also associated between MCU 2 and communication interface 5.Ethernet transceiver 7
For level signal to be converted to industry ethernet level, when vehicle-mounted large-size screen monitors 8 carry industry ethernet, Ethernet can be passed through
Transceiver 7 realizes the communication of vehicle-mounted large-size screen monitors 8 and MCU 2.
Preferably, mobile terminal 1 includes for generating the button 12 of control instruction, for aobvious to vehicle-mounted large-size screen monitors 8
The content shown carries out sectional drawing and the controller 11 that compares shot image information with the interface information to prestore and for comparing
As a result the display screen 13 shown, button 12 and display screen 13 are connect with controller 11.Button 12 is for generating control letter
Number vehicle-mounted large-size screen monitors 8 of control enter the instruction of test interface and sectional drawing instruction improves vehicle-mounted convenient for the detection to vehicle-mounted large-size screen monitors 8
The efficiency that large-size screen monitors 8 detect.
Preferably, display screen 13 is touching display screen.Touch behaviour can be realized using touching display screen 13
Make, convenient for being detected to vehicle-mounted large-size screen monitors 8, reduces the testing time.
Preferably, mobile terminal 1 is connected with for detecting vehicle-mounted large-size screen monitors 8, there are to alarm when failure
Alarm 9.
Preferably, MCU 2 is using microcontroller MC9812XEMAL.
Preferably, CAN chips use TJA1040 chips.
Preferably, serial port chip 3 uses MAX232 chips.
Preferably, mobile terminal 1 is PC machine or mobile phone.
The detection device of this vehicle-mounted large-size screen monitors is in use, vehicle-mounted large-size screen monitors 8 establish ADB by USB interface 4 and mobile terminal 1
Connection, vehicle-mounted large-size screen monitors 8 establish information communication by communication interface 5 and MCU2, can be CAN bus communications, can also be ether
Network bus communicates.Now by taking vehicle-mounted large-size screen monitors 8 and MCU 2 carry out CAN communication as an example, when being detected, corresponding button 12 is pressed,
So that the controller 11 in mobile terminal 1 is generated the vehicle-mounted large-size screen monitors 8 of control signal control and enters test interface, the control in mobile terminal 1
Device 11 processed send sectional drawing instruct the shot image information that vehicle-mounted large-size screen monitors 8, vehicle-mounted large-size screen monitors 8 are intercepted carry out storage and with it is pre-stored
Interface information compares and analyzes, and confirms whether vehicle-mounted large-size screen monitors 8 enter test interface as required, if not entering survey as required
Interface is tried, then is recorded and is stored；MCU 2 receives the control signal for the measurement information to be checked that mobile terminal 1 conveys, such as the near front wheel
Tire pressure data, tyre temperature etc., specifically as simulation sends four pressure of tire temperature for 40 degree, 41 degree, 42 degree and 43 degree
CAN signal gives vehicle-mounted large-size screen monitors 8；Mobile terminal 1 sends sectional drawing and instructs the shot image information that vehicle-mounted large-size screen monitors 8, vehicle-mounted large-size screen monitors 8 are intercepted
Store and compare and analyze with pre-stored corresponding interface information, whether judge right as required on vehicle-mounted large-size screen monitors 8
Measurement information to be checked shown, and then judgement result is carried out storage or shown by display screen 13, not as required into
It when row display, is alarmed by alarm 9, realizes the detection that vehicle-mounted large-size screen monitors 8 are shown with content, it is simple in structure, without making
With ancillary equipments such as manipulator and cameras, use cost is effectively reduced, and reduce debug time.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (6)
1. a kind of detection device of vehicle-mounted large-size screen monitors, including be used to generate control instruction and control vehicle-mounted large-size screen monitors (8) and to vehicle-mounted large-size screen monitors
(8) content shown carries out the mobile terminal (1) of discriminatory analysis, which is characterized in that the detection device further includes for sending
The control signal of the measurement information to be checked of mobile terminal (1) conveying gives the MCU (2) of vehicle-mounted large-size screen monitors (8), the mobile terminal
(1) it is connected with the USB interface (4) for connecting vehicle-mounted large-size screen monitors (8) on, connects between the mobile terminal (1) and the MCU (2)
It is connected to serial port chip (3), the communication interface (5) for connecting vehicle-mounted large-size screen monitors (8) is connected on the MCU (2).
2. the detection device of vehicle-mounted large-size screen monitors according to claim 1, which is characterized in that the MCU (2) connects with the communication
It is connected with CAN transceiver (6) between mouth (5).
3. the detection device of vehicle-mounted large-size screen monitors according to claim 1 or 2, which is characterized in that the MCU (2) is led to described
Ethernet transceiver (7) is connected between communication interface (5).
4. the detection device of vehicle-mounted large-size screen monitors according to claim 1 or 2, which is characterized in that the mobile terminal (1) includes
For generating the button (12) of control instruction, the content for show to vehicle-mounted large-size screen monitors (8) carries out sectional drawing and by shot image information and
The controller (11) that the interface information to prestore is compared and the display screen (13) for being shown to comparison result, it is described
Button (12) and display screen (13) are connect with controller (11).
5. the detection device of vehicle-mounted large-size screen monitors according to claim 4, which is characterized in that the display screen (13) is touch
Display screen.
6. the detection device of vehicle-mounted large-size screen monitors according to claim 1 or 2, which is characterized in that mobile terminal (1) connection
It is useful for that there are the alarm alarmed when failure (9) detecting vehicle-mounted large-size screen monitors (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820603239.1U CN208077586U (en) | 2018-04-25 | 2018-04-25 | A kind of detection device of vehicle-mounted large-size screen monitors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820603239.1U CN208077586U (en) | 2018-04-25 | 2018-04-25 | A kind of detection device of vehicle-mounted large-size screen monitors |
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| CN208077586U true CN208077586U (en) | 2018-11-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113341939A (en) * | 2021-08-04 | 2021-09-03 | 北京智科车联科技有限公司 | Vehicle offline detection system and method |
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2018
- 2018-04-25 CN CN201820603239.1U patent/CN208077586U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113341939A (en) * | 2021-08-04 | 2021-09-03 | 北京智科车联科技有限公司 | Vehicle offline detection system and method |
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