CN215932724U - Display screen self-checking system and unmanned selling device - Google Patents
Display screen self-checking system and unmanned selling device Download PDFInfo
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- CN215932724U CN215932724U CN202121047429.8U CN202121047429U CN215932724U CN 215932724 U CN215932724 U CN 215932724U CN 202121047429 U CN202121047429 U CN 202121047429U CN 215932724 U CN215932724 U CN 215932724U
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Abstract
The utility model discloses a display screen self-checking system and an unmanned vending device, wherein the system comprises a display screen, a camera, a main control circuit unit, a communication circuit unit and an indicating device; the camera is arranged on one side of the display screen and used for collecting a display picture on the display screen; the main control circuit unit is used for outputting a first video signal to the display screen, displaying a first picture on the display screen, carrying out image analysis processing on a second video signal which is acquired by the camera and contains first picture information, and outputting an image processing result of the second video signal to external equipment through the communication circuit unit. The system can identify whether the display picture on the display screen is normal or not through the image analysis and processing of the second video, so as to judge whether the display screen breaks down or not, and provide fault information to maintenance personnel in time when the display screen breaks down, so that the maintenance personnel can maintain in time.
Description
Technical Field
The utility model relates to the field of unmanned vending vehicles, in particular to a display screen self-checking system and an unmanned vending device.
Background
Unmanned vehicle of selling does not have special personnel to follow tracks of when daily going, and unmanned vehicle of selling display screen is the very important component part of system of selling again, and actual operating time runs through in unmanned whole process of going of selling the vehicle basically, and operating time is long. Once the display screen breaks down, the user purchasing experience is influenced if the display screen breaks down, and the purchasing action cannot be carried out if the display screen does not break down. However, the self-checking function of the display screen is not considered on the current unmanned selling vehicle, so that maintenance personnel cannot timely receive fault information of the display screen, and cannot timely maintain the display screen, and the work of the unmanned selling vehicle can be influenced.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned drawbacks (shortcomings) of the prior art, it is an object of the present invention to provide a display screen self-checking system for self-checking a display screen of an unattended device such as an unmanned vending vehicle, so that the unattended device such as an unmanned vending vehicle can be maintained in time when the display screen fails.
In order to achieve the purpose, the utility model provides a display screen self-checking system which comprises a display screen, a camera, a main control circuit unit, a communication circuit unit and an indicating device, wherein the main control circuit unit is connected with the communication circuit unit; the camera is arranged on one side of the display screen and used for collecting a display picture of the display screen; the main control circuit unit is used for outputting a first video signal to the display screen, displaying a first picture on the display screen, carrying out image processing on a second video signal which is acquired by the camera and contains first picture information, and outputting an image processing result of the second video signal to external equipment through the communication circuit unit.
Further, the display screen self-inspection system further comprises a backlight driving circuit unit and a current detection circuit unit, wherein the backlight driving circuit is used for driving backlight of the display screen; the current detection circuit unit is used for detecting the backlight current of the display screen and outputting a detection result to the controller.
Further, the display screen self-checking system further comprises a timer unit, and the timer is used for giving a self-checking starting signal of the display screen self-checking system.
Furthermore, the display screen self-checking system further comprises a first memory unit, wherein at least one test pattern is stored in the first memory unit, and the test pattern is converted into a first video signal in the controller.
Further, the display screen self-checking system further comprises a second memory unit, and the second memory unit is used for storing the second video signal.
Further, the second storage unit is disposed in the video storage unit of the camera.
Further, the display screen self-inspection system further comprises an indicating device, and the indicating device is used for displaying a processing result of the second video signal.
Further, the communication circuit unit is a wireless communication circuit unit.
The utility model realizes the following technical effects: according to the self-checking system for the display screen, disclosed by the utility model, the display picture of the display screen is collected through the camera, and the collected picture is subjected to image processing so as to identify whether the collected picture is abnormal or not, so that whether the display screen breaks down or not is judged, and when the display screen breaks down, fault information is timely provided for maintenance personnel, so that the maintenance personnel can timely maintain.
The utility model also provides an unmanned vending device, and the display screen self-checking system of any technical scheme is arranged on the unmanned vending device.
Further, the unmanned vending machine is a movable unmanned vending vehicle or a fixedly-placed unmanned vending machine.
Drawings
FIG. 1 is a schematic illustration of an unmanned vender vehicle according to a preferred embodiment of the present invention;
FIG. 2 is a block diagram of a display screen self-test system of the present invention;
fig. 3 is a self-test flow chart of the self-test system of the display screen according to the utility model.
Detailed Description
To further illustrate the various embodiments, the utility model provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the utility model and, together with the description, serve to explain the principles of the embodiments. Those skilled in the art will appreciate still other possible embodiments and advantages of the present invention with reference to these figures. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.
The utility model will now be further described with reference to the accompanying drawings and detailed description.
Example 1
As shown in fig. 1 and 2, the present invention provides an embodiment of an unmanned vending vehicle, which is provided with a display screen self-inspection system, wherein the display screen self-inspection system comprises a display screen 4, a camera 3, a main board (not shown), an LED fault lamp and an antenna 1, which are arranged on a vehicle body 2 of the unmanned vending vehicle. The display screen is used for functions of sales promotion of the unmanned vending vehicle, sales interaction with customers and the like, and the display screen 4 can be a single display function and can also be a touch display screen to provide touch screen operation. The camera 3 is arranged above the display screen 4 and used for collecting display pictures on the display screen 4. The mainboard is connected with the display screen 4, the camera 3, the LED fault lamp and the antenna 1, performs display driving and backlight detection on the display screen 4, receives a video signal collected by the camera 3, performs fault indication through the LED fault lamp, and performs data communication and other operations with a background through the antenna 1.
Referring to fig. 2, the main board includes a main control circuit unit, a backlight driving circuit unit, a current detection circuit unit, a communication circuit unit, and a power circuit unit.
The power supply current unit outputs 12V voltage to the backlight driving circuit unit through the current detection circuit unit, the current detection circuit unit detects current output to the backlight driving circuit unit (which is equivalent to monitoring backlight current), and sends a detection result, such as a current measurement value, to the main control circuit unit;
the main control circuit unit controls the backlight driving circuit unit to output backlight current so as to drive the display screen to be backlight; providing a first video signal to a display screen;
meanwhile, the camera collects the display picture of the display screen and outputs a second video signal to the main control circuit unit;
the main control circuit unit processes the image of the second video signal, and lights the LED fault lamp when the display picture of the display screen is found to be abnormal; and/or the display screen fault information is sent to the background through the communication circuit unit and the antenna.
In this embodiment, the display screen self-inspection system further includes a first memory unit, where the first memory unit is generally configured on the main board, and is integrated with the main control circuit unit, and the first memory unit stores a plurality of (at least one) standard signal frames (such as white fields, black fields, color bars, gray scales, and the like), and the standard signal frames are converted into the first video signals in the main control circuit unit during self-inspection.
In this embodiment, the display screen self-test system further includes a second memory unit, and the second memory unit is used for storing the second video signal. The second memory unit is typically an external memory, such as a memory card applied to a camera, and the storage capacity of the memory card can be selected according to the recording length and the recording frequency of the video. Of course, the second memory unit may also be an internal memory integrated on the camera control board.
The self-checking flow of the self-checking system of the display screen is shown in fig. 3.
S101: the self-checking system of the display screen is started regularly, the self-checking work is started, and the starting time can be set by the background.
After the display screen self-checking system is started, executing the following steps:
s102: the display screen displays standard signal pictures (such as white fields, black fields, color bars, gray scales and the like) for detection.
S103: the camera shoots the picture of the display screen and transmits the video signal to the main control circuit unit.
S104: the current detection circuit unit detects the backlight current of the display screen and feeds the measured value back to the main control circuit unit.
S105: the main control circuit unit captures a video signal transmitted by the camera, analyzes and compares the captured image with a standard signal picture stored in the main control circuit unit, and judges whether the standard signal picture is displayed normally; meanwhile, judging whether the backlight current of the display screen is in a normal range; when the two are judged to be normal, the display screen is considered to be normal, and S106 is switched; and when judging that the two are abnormal, judging that the display screen has a fault, and turning to S107.
S106: and closing the self-checking system of the display screen.
S107: and sending the fault information of the display screen to a background and lighting a fault lamp.
S108: the main control circuit unit sends the fault information to the background through the communication circuit unit. And after the background receives the information of the main control circuit unit, the background reminds maintenance personnel to perform reinspection and field maintenance in a text or pattern mode.
In order to better perform fault diagnosis, after receiving fault information of the terminal, a worker can call a picture stored in a memory card on the camera or a real-time picture to check so as to further verify whether the display screen has faults. And if the display screen is confirmed to have a fault, the maintenance personnel go to the site to perform maintenance, and after the maintenance is completed, the background eliminates the fault information.
The embodiment can see that the self-checking system of the display screen can judge whether the display picture of the display screen is normal or not by acquiring the display picture of the display screen through the camera and carrying out image recognition and image processing such as image comparison and the like on the acquired picture, and can judge whether the backlight driving of the display screen is normal or not by detecting the backlight current so as to comprehensively judge whether the display screen has a fault or not, and can give fault indication and provide fault information to maintenance personnel in time when the display screen has the fault, so that the maintenance personnel can maintain in time.
In this embodiment, display screen self-checking system is applied to an unmanned selling device, unmanned selling device is mobilizable unmanned vehicle of selling. In other embodiments, the unmanned merchandiser may be a stationary unmanned merchandiser. The display screen self-checking system can be applied to the unmanned selling devices to monitor and report faults on line.
While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. A display screen self-checking system is characterized by comprising a display screen, a camera, a main control circuit unit, a communication circuit unit and an indicating device; the camera is arranged on one side of the display screen and used for collecting a display picture of the display screen; the main control circuit unit is used for outputting a first video signal to the display screen, displaying a first picture on the display screen, carrying out image processing on a second video signal which is acquired by the camera and contains first picture information, and outputting an image processing result of the second video signal to external equipment through the communication circuit unit.
2. The display screen self-inspection system of claim 1, wherein: the display screen self-checking system also comprises a backlight driving circuit unit and a current detection circuit unit, wherein the backlight driving circuit is used for providing backlight driving for the display screen; the current detection circuit unit is used for detecting the backlight current of the display screen and outputting a detection result to the controller.
3. The display screen self-inspection system of claim 1, wherein: the display screen self-checking system further comprises a timer unit, and the timer is used for giving a self-checking starting signal of the display screen self-checking system.
4. The display screen self-inspection system of claim 1, wherein: the display screen self-checking system further comprises a first memory unit, at least one test picture is stored in the first memory unit, and the test picture is converted into a first video signal in the controller.
5. The display screen self-inspection system of claim 1, wherein: the display screen self-checking system further comprises a second memory unit for storing the second video signal.
6. The display screen self-inspection system according to claim 5, wherein: the second storage unit is arranged on the camera.
7. The display screen self-inspection system of claim 1, wherein: the display screen self-checking system further comprises an indicating device, and the indicating device is used for displaying the processing result of the second video signal.
8. The display screen self-inspection system of claim 1, wherein: the communication circuit unit is a wireless communication circuit unit.
9. An unmanned selling device, its characterized in that: a display screen self-inspection system according to any one of claims 1 to 8 is provided.
10. The unmanned merchandising apparatus of claim 9, further comprising: the unmanned selling device is a movable unmanned selling vehicle or a fixedly placed unmanned selling machine.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121047429.8U CN215932724U (en) | 2021-05-17 | 2021-05-17 | Display screen self-checking system and unmanned selling device |
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| CN202121047429.8U CN215932724U (en) | 2021-05-17 | 2021-05-17 | Display screen self-checking system and unmanned selling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117218762A (en) * | 2023-11-09 | 2023-12-12 | 深圳友朋智能商业科技有限公司 | Intelligent container interaction control method, device and system based on machine vision |
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2021
- 2021-05-17 CN CN202121047429.8U patent/CN215932724U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117218762A (en) * | 2023-11-09 | 2023-12-12 | 深圳友朋智能商业科技有限公司 | Intelligent container interaction control method, device and system based on machine vision |
| CN117218762B (en) * | 2023-11-09 | 2024-02-09 | 深圳友朋智能商业科技有限公司 | Intelligent container interaction control method, device and system based on machine vision |
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