CN114619953A - Dynamic display system and method for large vehicle - Google Patents
Dynamic display system and method for large vehicle Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/50—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/50—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking
- B60Q1/503—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking using luminous text or symbol displays in or on the vehicle, e.g. static text
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q5/00—Arrangement or adaptation of acoustic signal devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/02—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to ambient conditions
- B60W40/04—Traffic conditions
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Abstract
The application provides a large vehicle dynamic display system, which comprises a first detection device, a second detection device and a display device, wherein the first detection device is arranged at the front end of a large vehicle and is used for detecting the road condition in front of the large vehicle; a second detection device provided at a rear portion of the large vehicle and detecting a vehicle behind the large vehicle; the display device is arranged at the tail part of the large vehicle and used for displaying the road condition in front of the large vehicle detected by the first detection device; the road condition display device further comprises a central processing unit which is used for determining whether a vehicle trails according to the vehicle behind the large vehicle detected by the second detection device, and controlling the display device to display the road condition in front of the large vehicle detected by the first detection device when the vehicle trails are determined. The detection device is used for detecting the front road condition and the rear vehicle of the large vehicle, and the display device is used for displaying the road condition in front of the large vehicle for the rear following vehicle at any time when the vehicle tail is determined, so that the safety of the following vehicle is improved.
Description
Technical Field
One or more embodiments of the present disclosure relate to the field of automotive technologies, and in particular, to a system and a method for dynamically displaying a large vehicle.
Background
In daily travel activities, the situation that a household car is behind a bus or a large truck is often encountered, at the moment, the view of a car driver is very limited, and the driver cannot clearly see the road condition ahead, so that certain potential safety hazards exist. For the situation, no good solution is provided at present, and a driver can only independently get away from the cart in the situation, so that the safety of the driver is ensured.
At present, some preliminary schemes exist for the driving situation that a large vehicle is followed by a small vehicle, for example, patent CN201410020422.5 (additional device for displaying road conditions around a large vehicle) provides a dynamic display system for a large vehicle that displays a picture taken by a rear camera on a steering wheel of a large vehicle, so as to improve the problem of limited field of vision of the large vehicle; patent CN201921276488.5 (a traffic reminding system for large vehicles) can provide intersection traffic light information for rear vehicles. The patents can improve the problem of limited visual field of the vehicle in the driving process to a certain extent, but do not have a large-scale vehicle dynamic display system which can display the road condition in front of the vehicle to the rear in real time. The front road condition is directly displayed at the tail of the cart in a video mode, so that the rear vehicle driver can take corresponding driving operation according to different road conditions more visually, more conveniently and more independently.
Disclosure of Invention
In view of the above, one or more embodiments of the present disclosure are directed to a system and a method for displaying dynamic information of a large vehicle, so as to solve the problem of safety of a following vehicle behind the large vehicle.
In a first aspect, a large vehicle dynamic display system is provided, which includes a first detection device disposed at a front end of a large vehicle and configured to detect a road condition ahead of the large vehicle; a second detection device provided at a rear portion of the large vehicle and detecting a vehicle behind the large vehicle; the display device is arranged at the tail of the large vehicle and used for displaying the road condition in front of the large vehicle detected by the first detection device; the vehicle rear-end detection device is used for detecting the rear vehicle of the large vehicle, determining whether the vehicle is in a rear position or not according to the rear vehicle of the large vehicle detected by the second detection device, and controlling the display device to display the road condition in front of the large vehicle detected by the first detection device when the vehicle is determined to be in the rear position. The detection device is used for detecting the front road condition and the rear vehicle of the large vehicle, and the display device is used for displaying the road condition in front of the large vehicle for the rear following vehicle when the vehicle tail is determined to exist at any time, so that the safety of the following vehicle is improved.
In a specific possible implementation, the cpu is configured to determine whether there is a vehicle trailing according to the vehicle behind the large vehicle detected by the second detecting device, specifically:
and the central processor determines whether the vehicle trails according to the speed of the vehicle behind the large vehicle and the distance between the vehicle and the large vehicle, which are detected by the second detection device. The determination of a trailing vehicle is improved.
In a specific embodiment, the cpu is further configured to control the first detecting device and the display device to be turned on when it is determined that there is a vehicle tail according to the vehicle behind the large vehicle detected by the second detecting device. The energy consumption is reduced.
In a specific embodiment, the cpu is further configured to control the first detecting device and the display device to be turned off when it is determined that there is no vehicle rear end in accordance with the vehicle behind the large vehicle detected by the second detecting device. The energy consumption is reduced.
In a specific implementation, the central processing unit is further configured to determine a congestion condition of the road according to the road condition in front of the large vehicle detected by the first detecting device, and control the display device to give a prompt to the following vehicle after the congestion condition is determined. The safety of the trailing vehicle is improved.
In a particular possible embodiment, the prompt comprises an audible prompt and/or a textual prompt. The safety of the trailing vehicle is improved.
In a second aspect, a method for dynamically displaying a large vehicle is provided, the method comprising the steps of:
detecting the front road condition of the large vehicle through a first detection device; detecting a vehicle behind the large vehicle by a second detection device; and determining whether a vehicle trails or not, and controlling a display device to display the road condition in front of the large vehicle detected by the first detection device when the vehicle trails are determined. The detection device is used for detecting the front road condition and the rear vehicle of the large vehicle, and the display device is used for displaying the road condition in front of the large vehicle for the rear following vehicle when the vehicle tail is determined to exist at any time, so that the safety of the following vehicle is improved.
In a specific embodiment, the determining whether there is a vehicle tailgating includes: and determining whether the vehicle trails or not according to the detected speed of the vehicle behind the large vehicle and the distance between the vehicle and the large vehicle through a central processing unit. The accuracy of judgment is improved.
In a specific embodiment, the first detection device and the display device are controlled to be turned on when the vehicle tail is determined. The energy consumption is reduced.
In a specific possible embodiment, the method further comprises:
and controlling the first detection device and the display device to be closed when the vehicle tail is determined not to exist at any time. The energy consumption is reduced.
In a specific possible embodiment, the method further comprises: and determining the congestion condition of the road according to the road condition in front of the large vehicle detected by the first detection device, and controlling the display device to give a prompt to the rear trailing vehicle when the congestion condition is determined. The safety of the trailing vehicle is improved.
In a particular possible embodiment, the prompt comprises an audible prompt and/or a textual prompt. The safety of the trailing vehicle is improved.
Drawings
In order to more clearly illustrate one or more embodiments or prior art solutions of the present specification, the drawings that are needed in the description of the embodiments or prior art will be briefly described below, and it is obvious that the drawings in the following description are only one or more embodiments of the present specification, and that other drawings may be obtained by those skilled in the art without inventive effort from these drawings.
Fig. 1 is a block diagram of a large vehicle dynamic display system according to an embodiment of the present disclosure;
FIG. 2 is a flowchart of a method for dynamically displaying a large vehicle according to an embodiment of the present disclosure;
fig. 3 is a block diagram of an electronic device according to an embodiment of the present disclosure.
Detailed Description
For the purpose of promoting a better understanding of the objects, aspects and advantages of the present disclosure, reference is made to the following detailed description taken in conjunction with the accompanying drawings.
It is to be noted that unless otherwise defined, technical or scientific terms used in one or more embodiments of the present specification should have the ordinary meaning as understood by those of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in one or more embodiments of the specification is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Technical carriers involved in payment in the embodiments of the present specification may include Near Field Communication (NFC), WIFI, 3G/4G/5G, POS machine card swiping technology, two-dimensional code scanning technology, barcode scanning technology, bluetooth, infrared, Short Message Service (SMS), Multimedia Message (MMS), and the like, for example.
In order to facilitate understanding of the large vehicle dynamic display system (referred to as a display system for short) provided in the embodiment of the present application, an application scenario of the display system is first described, and the display system is applied to a large vehicle, and with development of economy, an automobile becomes an increasingly popular vehicle, but with the development of lower safety, particularly when a large vehicle is driven on a road, a following automobile is difficult to determine a road condition in front, and when the large vehicle overtakes the road blindly, a traffic accident is more easily caused. To this end, embodiments of the present application provide a display system, which is described in detail below with reference to the accompanying drawings.
Referring to fig. 1, fig. 1 is a block diagram illustrating a display system according to an embodiment of the present disclosure, where the display system includes two detection devices, a display device 40, and a central processing unit 10. The two detection devices are respectively a first detection device 20 and a second detection device 30, the first detection device 20 is used for detecting the road condition in front of the large vehicle, the second detection device 30 is used for detecting the vehicle behind the large vehicle, the display device 40 is used for displaying the road condition in front of the large vehicle detected by the first detection device 20, and the central processing unit 10 is used as a data processing device for performing data processing on the first detection device 20, the second detection device 30 and the display device 40 so as to control the working states of the first detection device 20, the second detection device 30 and the display device 40. Each of which is described in detail below.
When the first detecting device 20 is installed, it is installed at the front end of the large vehicle, and may be, for example, a rear view mirror of the large vehicle, a front windshield of the large vehicle, or a position above the front windshield of the large vehicle, which is different from the position above the front windshield of the large vehicle. The first detecting device 20 may be a camera, and the number of the first detecting devices 20 may be multiple, such as one, two, three, etc. different numbers. When a plurality of first detection devices 20 are adopted, the focal lengths of different first detection devices 20 can be different, so as to shoot road conditions at different positions in front of the large vehicle; or the different first detecting devices 20 are arranged at different positions to photograph different road conditions, for example, one of the first detecting devices 20 is used to photograph the road condition ahead, and the other first detecting device 20 is used to photograph the traffic signal lamp.
The second detecting device 30 is disposed at the rear of the large vehicle, and specifically, may be disposed below the rear windshield of the large vehicle, or disposed on the rear windshield of the large vehicle, or disposed at different positions such as the roof of the large vehicle, and only needs to be able to detect the vehicle behind the large vehicle. It should be understood that the second detecting device 30 can be a different detecting device, such as a radar or a camera, and can be set according to actual requirements when specifically set.
The display device 40 may be a display screen, and specifically, may be a display screen of different types such as an LED or an LCD; in addition, in order to ensure the safety of the display device 40, a transparent protective cover may be covered on the outer side of the display device 40 to prevent the display device 40 from being protected when a car accident occurs. In addition, the display device 40 may be disposed at the top end or the middle position of the tail of the large vehicle when being disposed, and only needs to ensure that the rear vehicle can be observed well, which is not specifically limited in the embodiment of the present application.
The cpu 10 is configured to process the data of the two detection devices and the display device 40, and determine whether the display device 40 needs to display the road condition in front of the large vehicle according to the processed result. This will be described in detail below.
When the large vehicle is started, the cpu 10 controls the second detecting device 30 to start operation after detecting that the large vehicle is started, and determines whether there is a vehicle following the large vehicle according to the situation of the rear vehicle detected by the second detecting device 30. Specifically, the cpu 10 determines whether there is a vehicle following based on the speed of the vehicle behind the large vehicle and the distance to the large vehicle detected by the second detecting device 30. For example, when the second detecting device 30 is a camera, the central processing unit 10 captures information of the rear vehicle and a relative distance to the large vehicle in different time periods, and determines a vehicle speed of the rear vehicle; when the second detecting device 30 is a radar, the cpu 10 determines the speed of the rear vehicle from the distance between the rear vehicle and the large vehicle fed back by the radar. And judging whether the rear vehicle trails the large vehicle or not according to the speed of the rear vehicle and the distance between the rear vehicle and the large vehicle. The specific judgment is as follows:
in a period of time, the speed of the rear vehicle is consistent or approximately consistent with the speed of the large vehicle, and the distance between the rear vehicle and the large vehicle is smaller than a set distance (such as different distances of 100 meters, 50 meters, 20 meters and the like), the rear vehicle is judged to be trailing; or when the speed of the rear vehicle is greater than that of the large vehicle and the distance between the rear vehicle and the large vehicle is less than the set distance in a period of time, the rear vehicle is determined to be trailing; or when the rear vehicle continuously or continuously overtakes the left side of the large vehicle within a period of time, the vehicle is judged to be trailing.
When the rear vehicle detected by the second detection device 30 trails the large vehicle, the central processing unit 10 controls the first detection device 20 to start detecting the road condition in front of the large vehicle, and detects the road condition in front of the large vehicle detected by the first detection device 20 in real time through the display device 40, so that the rear following vehicle can observe the road condition in front of the large vehicle through the display device 40, and different choices such as continuation following or overtaking can be made according to the road condition in front, and the safety of the rear vehicle in the driving process can be improved.
As an optional scheme, the central processing unit 10 may further process the data to further improve the safety of the rear vehicle during driving.
For example, the central processor 10 may be further configured to determine a congestion condition of the road according to the road condition in front of the large vehicle detected by the first detecting device 20, and control the display device 40 to give a prompt to the following vehicle when the congestion condition is determined. Specifically, the central processing unit 10 may determine the density of the front vehicles by collecting the front road condition pictures of the first detection device 20 at different time points, and compare the density of the front vehicles with the set density of the vehicles that are allowed to overtake, and if the density is less than the set density, determine that the front road is not congested and give a corresponding prompt; and if the density is larger than the set density, judging that the road ahead is congested, and giving a corresponding prompt.
In addition, the speed of the front vehicle can be judged according to the pictures of the front road conditions at different time points, and when the speed of the front vehicle is reduced, the congestion is judged; and when the speed of the front vehicle is increased, judging that the front vehicle is not congested, and giving corresponding prompts to the rear vehicle according to the judgment. In addition, the picture of the front road condition can also contain information of a traffic signal lamp, when the front signal lamp is not to pass, the picture gives a prohibition prompt, and when the front signal lamp is to pass, the picture gives a passing prompt. The specific prompt message may include an audio prompt and/or a text prompt. Wherein, the text prompt can be displayed through the display device 40, and the sound prompt can be prompted through the alarm device arranged at the tail of the vehicle. Of course, other ways of presenting may be used in addition to the above presentation, such as flashing the display device 40 during congestion, to achieve the effect of presentation.
It should be understood that, in addition to the above-mentioned prompt for the following vehicle, the central processing unit 10 provided in the embodiment of the present application may also synchronously feed back the data processing result of the front road condition detected by the first detecting device 20 to the driver of the large vehicle, and give different prompts for road congestion and road smoothness of the driver. In addition, the cpu 10 may determine whether the distance between the large vehicle and the adjacent vehicle in front is within a safe distance according to the front road condition detected by the first detecting device 20, and if not, give a prompt to the driver.
As an alternative, the cpu 10 is further configured to control the first detecting device 20 and the display device 40 to be turned on when it is determined that there is a vehicle rear of the large vehicle detected by the second detecting device 30. The cpu 10 is also configured to control the first detecting device 20 and the display device 40 to be turned off when it is determined that there is no vehicle rear end based on the vehicle behind the large vehicle detected by the second detecting device 30. Therefore, the operation states of the first detection device 20 and the display device 40 can be controlled according to the judgment result of the second detection device 30, and the first detection device 20 and the display device 40 can be prevented from continuously operating. It will of course be appreciated that when the first detection means 20 is also used to provide reference information to the driver of the large vehicle, then only the operating state of the display means 40 is controlled in dependence on the detection result of the second detection means 30.
It can be seen from the above description that the safety of the following vehicles is improved by detecting the front road condition and the rear vehicles of the large vehicle by using the detection device, and displaying the front road condition of the large vehicle to the rear following vehicles by using the display device 40 when it is determined that there is a vehicle tail.
Referring to fig. 2, to facilitate understanding of the display system provided in the embodiment of the present application, an embodiment of the present application further provides a display method, where the display method includes the following steps:
001: detecting the front road condition of the large vehicle through a first detection device;
specifically, the first detection device disposed at the front end of the large vehicle detects the road condition ahead of the large vehicle, and the specific embodiment can refer to the related description in fig. 1.
002: detecting a rear vehicle of the large vehicle by a second detection device;
in particular, a vehicle at the rear of the large vehicle is detected by the second detection device arranged at the rear of the large vehicle, and the specific embodiment can refer to the related description in fig. 1.
003: determining whether a vehicle trails or not, and controlling a display device to display the road condition in front of the large vehicle detected by the first detection device when the vehicle trails are determined;
and determining whether the vehicle trails or not through the central processing unit according to the detected speed of the vehicle behind the large vehicle and the distance between the vehicle and the large vehicle. Specific embodiments can be found in relation to the description of fig. 1.
In addition, when the vehicle tail is determined to exist, the first detection device and the display device are controlled to be turned on; and controlling the first detection device and the display device to be closed when the vehicle tail is determined not to exist. Specific embodiments can be found in relation to the description of fig. 1.
004: and determining the congestion condition of the road according to the road condition in front of the large vehicle detected by the first detection device, and controlling the display device to give a prompt to a following vehicle behind when the congestion is determined.
Specifically, the prompt includes an audio prompt and/or a text prompt. Specific embodiments can be found in relation to the description of fig. 1.
According to the description, the detection device is used for detecting the front road condition and the rear vehicle of the large vehicle, and the display device is used for displaying the front road condition of the large vehicle for the rear trailing vehicle at any time when the vehicle trailing is determined, so that the safety of the trailing vehicle is improved.
Fig. 3 is a schematic diagram illustrating a more specific hardware structure of an electronic device according to this embodiment, where the electronic device may include: a processor 1010, a memory 1020, an input/output interface 1030, a communication interface 1040, and a bus 1050. Wherein the processor 1010, memory 1020, input/output interface 1030, and communication interface 1040 are communicatively coupled to each other within the device via bus 1050.
The processor 1010 may be implemented by a general-purpose CPU (Central Processing Unit), a microprocessor, an Application Specific Integrated Circuit (ASIC), or one or more Integrated circuits, and is configured to execute related programs to implement the technical solutions provided in the embodiments of the present disclosure.
The Memory 1020 may be implemented in the form of a ROM (Read Only Memory), a RAM (Random Access Memory), a static storage device, a dynamic storage device, or the like. The memory 1020 may store an operating system and other application programs, and when the technical solution provided by the embodiments of the present specification is implemented by software or firmware, the relevant program codes are stored in the memory 1020 and called to be executed by the processor 1010.
The input/output interface 1030 is used for connecting an input/output module to input and output information. The i/o module may be configured as a component in a device (not shown) or may be external to the device to provide a corresponding function. The input devices may include a keyboard, a mouse, a touch screen, a microphone, various sensors, etc., and the output devices may include a display, a speaker, a vibrator, an indicator light, etc.
The communication interface 1040 is used for connecting a communication module (not shown in the drawings) to implement communication interaction between the present apparatus and other apparatuses. The communication module can realize communication in a wired mode (such as USB, network cable and the like) and also can realize communication in a wireless mode (such as mobile network, WIFI, Bluetooth and the like).
It should be noted that although the above-mentioned device only shows the processor 1010, the memory 1020, the input/output interface 1030, the communication interface 1040 and the bus 1050, in a specific implementation, the device may also include other components necessary for normal operation. In addition, those skilled in the art will appreciate that the above-described apparatus may also include only those components necessary to implement the embodiments of the present description, and not necessarily all of the components shown in the figures.
The computer readable media of the present embodiments, including permanent and non-permanent, removable and non-removable media, may implement information storage by any large vehicle dynamic display system or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the spirit of the present disclosure, features from the above embodiments or from different embodiments may also be combined, steps may be implemented in any order, and there are many other variations of different aspects of one or more embodiments of the present description as described above, which are not provided in detail for the sake of brevity.
In addition, well-known power/ground connections to Integrated Circuit (IC) chips and other components may or may not be shown in the provided figures, for simplicity of illustration and discussion, and so as not to obscure one or more embodiments of the disclosure. Furthermore, devices may be shown in block diagram form in order to avoid obscuring the understanding of one or more embodiments of the present description, and this also takes into account the fact that specifics with respect to implementation of such block diagram devices are highly dependent upon the platform within which the one or more embodiments of the present description are to be implemented (i.e., specifics should be well within purview of one skilled in the art). Where specific details (e.g., circuits) are set forth in order to describe example embodiments of the disclosure, it should be apparent to one skilled in the art that one or more embodiments of the disclosure can be practiced without, or with variation of, these specific details. Accordingly, the description is to be regarded as illustrative instead of restrictive.
While the present disclosure has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of these embodiments will be apparent to those of ordinary skill in the art in light of the foregoing description. For example, other memory architectures (e.g., dynamic ram (dram)) may use the discussed embodiments.
It is intended that the one or more embodiments of the present specification embrace all such alternatives, modifications and variations as fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of one or more embodiments of the present disclosure are intended to be included within the scope of the present disclosure.
Claims (12)
1. A large vehicle dynamic display system is characterized by comprising a first detection device, a second detection device and a display device, wherein the first detection device is arranged at the front end of a large vehicle and is used for detecting road conditions in front of the large vehicle; a second detection device provided at a rear portion of the large vehicle and detecting a vehicle behind the large vehicle; the display device is arranged at the tail of the large vehicle and used for displaying the road condition in front of the large vehicle detected by the first detection device;
the vehicle rear-end detection device is used for detecting the rear vehicle of the large vehicle, determining whether the vehicle is in a rear position or not according to the rear vehicle of the large vehicle detected by the second detection device, and controlling the display device to display the road condition in front of the large vehicle detected by the first detection device when the vehicle is determined to be in the rear position.
2. The large vehicle dynamic display system according to claim 1, wherein the cpu is configured to determine whether there is a vehicle tailgating according to the vehicle behind the large vehicle detected by the second detection device, specifically:
and the central processing unit determines whether a vehicle trails according to the speed of the vehicle behind the large vehicle and the distance between the vehicle and the large vehicle, which are detected by the second detection device.
3. The large vehicle dynamic display system according to claim 1, wherein the cpu is further configured to control the first detection device and the display device to be turned on when it is determined that there is a vehicle tail according to the vehicle behind the large vehicle detected by the second detection device.
4. The large vehicle dynamic display system according to claim 1, wherein the cpu is further configured to control the first detecting device and the display device to be turned off when it is determined that there is no vehicle rear end in accordance with the vehicle behind the large vehicle detected by the second detecting device.
5. The large vehicle dynamic display system according to any one of claims 1 to 4, wherein the central processing unit is further configured to determine a congestion condition of the road according to a road condition in front of the large vehicle detected by the first detection device, and control the display device to give a prompt to the following vehicle when the congestion condition is determined.
6. Large vehicle dynamic display system according to claim 5, characterised in that the cues comprise audio cues and/or text cues.
7. A dynamic display method for a large vehicle is characterized by comprising the following steps:
detecting the front road condition of the large vehicle through a first detection device;
detecting a vehicle behind the large vehicle by a second detection device;
and determining whether a vehicle trails or not, and controlling a display device to display the road condition in front of the large vehicle detected by the first detection device when the vehicle trails are determined.
8. The large vehicle dynamic display method according to claim 7, wherein the determining whether there is a vehicle tailgating specifically is:
and determining whether the vehicle trails or not according to the detected speed of the vehicle behind the large vehicle and the distance between the vehicle and the large vehicle through a central processing unit.
9. Large vehicle dynamic display method according to claim 7 or 8,
and controlling the first detection device and the display device to be turned on when the vehicle tail is determined.
10. The large vehicle dynamic display method according to claim 9, further comprising:
and controlling the first detection device and the display device to be closed when the vehicle tail is determined not to exist at any time.
11. The large vehicle dynamic display method according to any one of claims 7 to 10, further comprising:
and determining the congestion condition of the road according to the road condition in front of the large vehicle detected by the first detection device, and controlling the display device to give a prompt to the rear trailing vehicle when the congestion condition is determined.
12. The large vehicle dynamic display method according to claim 11, wherein the prompt includes an audio prompt and/or a text prompt.
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