CN111824013A

CN111824013A - Intelligent remote control LED warning sign board

Info

Publication number: CN111824013A
Application number: CN202010786346.4A
Authority: CN
Inventors: 曲敏; 黄江; 丁可芹
Original assignee: Nanchang University
Current assignee: Nanchang University
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2020-10-27

Abstract

The invention relates to an intelligent remote control LED warning signboard which is remotely controlled by a mobile phone app. The warning device is used for placing a vehicle in a specified distance behind the vehicle to warn when a traffic accident occurs, and secondary accidents are prevented. The intelligent remote control LED warning signboard comprises a main control panel, a motor driving module, a foldable triangular module, a power supply, a mobile phone control APP, a second driving wheel, a first driving wheel, a driven wheel, a fixed support, an upper shell, a lower shell and an OpenMV camera. The product is connected through using the bluetooth of the mobile phone, selects suitable gear that gos forward, and motor control drive wheel makes the product arrive appointed place safely, and long-range remote control product accomplishes rectangular folding of triangle and expandes the work through motor drive module control steering wheel rocking arm, and LED light emitting module arranges the triangle in on rectangular, constitutes warning triangle-shaped jointly with fluorescence cloth and bottom automobile body, accomplishes the work of warning to this probability that reaches the reduction secondary accident and takes place.

Description

Intelligent remote control LED warning sign board

Technical Field

The invention relates to an LED warning signboard, in particular to an intelligent remote control LED warning signboard.

Background

The triangular warning board for the automobile is a very common product in our life, is a warning device which is required to be carried by each automobile and specified by the plain text of the national traffic laws, is used for warning passing vehicles after the automobile when the automobile has an accident in the driving process, and is used for reducing the probability of secondary accidents. According to the regulations of the road traffic safety law of the people's republic of China, when a fault or a traffic accident occurs on a conventional road, a triangular warning board is arranged at the position 50 meters to 100 meters behind a vehicle; on the expressway, a warning sign needs to be arranged at a place 150 m away from the rear of the vehicle, and if the expressway encounters rainy and foggy weather, the distance is increased to 200 m.

The existing triangular warning board has a plurality of defects in the using process; for example, the triangular warning sign board is not paid attention to, and a plurality of car owners do not configure the triangular warning board for the cars; part of the warning sign boards do not have the folding function, have large occupied area and are inconvenient to store; some foldable warning signs are lighter in weight and small in contact area with the ground, so that friction is reduced, and when the warning signs are used, the center of gravity is easy to be unstable in extreme weather, and toppling is caused; in addition, the artificial placement is not standard, and the placement distance of the warning sign plate is often not reached when the warning sign plate is placed; the manual placement also has the problem of easy generation of secondary traffic accidents, and has low efficiency and time and labor waste; the traditional warning sign plate also has a series of problems of poor visibility, instability, incapability of coping with extreme weather and complex road conditions, lack of a production admission system and the like.

Therefore, it is urgent to provide a safe, reliable and convenient warning sign.

Disclosure of Invention

In order to overcome the problems that in the prior art, the occupied area of a user is large, the weight of part of products is light, the contact with the ground is small, the placing position is not standard, the manual placing is dangerous and low in efficiency, the placing position of the products is not standard, the manual placing is dangerous and low in efficiency, and the like. The invention provides an intelligent remote control LED warning board, which replaces manual placement and recovery with a remote control mode, reduces the probability of secondary damage caused by manual placement, sets the moving distance of a warning sign board for an intelligent program according to an intersection standard, and improves the temporary parking efficiency of an automobile by retracting and releasing one key.

In order to solve the problems, the invention provides a set of technical scheme, which comprises a master control panel, a motor driving module and a motor driving module, wherein the master control panel is used for controlling the motor driving module;

the motor driving module is used for controlling the operation of the steering engine, the first motor and the second motor;

the foldable triangular module is used for a carrier of the warning board early warning device;

the main control panel is electrically connected with the motor driving module, and the motor driving module is electrically connected with the first motor, the second motor and the steering engine in sequence and used for controlling the rotation of the first driving wheel and the second driving wheel, driving the unfolding and folding of the foldable triangular module and early warning of road faults;

furthermore, the fixed support is arranged between the upper shell and the lower shell, and the upper shell and the lower shell are hinged by adopting a conventional shell.

Further, the invention is in a folded state when not in use and can be placed in a protective container.

Furthermore, a master control panel loads a control program and controls the motor driving module and the foldable triangular module; in addition, the mobile phone APP is used for realizing remote control in a mode of connecting the mobile phone Bluetooth 5.0 with the master control panel, and the motor driving module and the foldable triangular module are controlled; the master control panel is mounted on the fixed support.

Further, the electric driving module comprises a power supply, a first motor and a second motor, wherein the motors are positioned at the connecting part of the driving wheel and the fixed support; the motor driving module is controlled by L298N to control the left driving wheel and the right driving wheel, and the motor is coaxially connected with the driving wheels and the steering engine to provide power for the foldable triangular module and the left driving wheel and the right driving wheel.

Further, the foldable triangular module comprises: the steering engine module, the triangular strip, the LED light-emitting module and the fluorescent cloth are arranged on the steering engine module; the triangular strip is composed of two integrated long edges and long edges spliced with two short edges, the steering engine module takes the two long edges as force arms to realize 0-60-degree rotation, and the two short edges complete folding and opening actions along the same direction; the LED light-emitting module and the fluorescent light are arranged on the triangular strip and form a warning triangle together with the fluorescent cloth; the steering engine module controls the triangle to unfold and fold through a steering engine rocker arm.

Furthermore, the power supply is arranged below the fixed support and provides power for the electric driving module, the master control panel and the foldable triangular module.

Furthermore, a second driving wheel and a first driving wheel are arranged at the left end and the right end of the fixed support and are coaxially connected with the motor, the motor driving module provides power support, and the driven wheel is connected to the middle of the fixed support through a sliding rail device and is arranged at the rear part, so that the driven wheel can realize the telescopic folding effect;

furthermore, the driven wheel is connected to the middle of the fixed support through a sliding rail device and is arranged at the rear part, so that the driven wheel can achieve the telescopic folding effect; the extended driven wheel provides a supporting effect for the warning sign board.

Advantageous effects

According to the intelligent remote control LED warning signboard, the automatic folding triangle with the LED lamp is used for being stored in the protective container when not used, and can be automatically unfolded to form a reflecting triangle with the bottom capable of being remotely controlled, so that the defects of heavy weight and large occupied area of the traditional warning signboard are overcome, the brightness of the warning signboard is enhanced by using LED light, and the use efficiency of the warning signboard in the weather with poor visibility is greatly improved; the technical scheme that the LED warning signboard is remotely controlled by the mobile phone is designed, the LED warning signboard is remotely controlled by the mobile phone APP in a Bluetooth connection mode through the mobile phone, and the LED warning signboard is fully automatically put in a designated place to replace manual placement and withdrawal, so that the probability of secondary accidents caused by manual placement can be greatly reduced; in addition, the distance is intelligently set according to the intersection standard, the parking and releasing are realized by one key, so that the time and the labor are saved, the temporary parking efficiency is improved, and the traffic pressure is effectively relieved; the driving wheel is cross country wheel, increases frictional force and stability to it balances to be assisted from the driving wheel with the telescopic, makes warning sign board deal with special circumstances such as extreme weather better, convenient high efficiency.

Drawings

FIG. 1 is an expanded view of the present invention.

Fig. 2 is a schematic view of the folding-unfolding of the present invention.

Fig. 3 is a folded view of the present invention.

Fig. 4 is a folded top view of the present invention.

Fig. 5 is a cross-sectional view of the present invention.

Fig. 6 is a bottom view of the present invention.

Reference numerals: first LED minor face 1, second LED minor face 2, LED base 3, go up shell 4, second drive wheel 5, second motor 6, lower shell 8, follow driving wheel 9, slide rail 10, first motor 11, first drive wheel 12, fixed bolster 13, steering wheel 14, total control panel 15, LED hypotenuse 16, fluorescence cloth 17, OpenMV camera 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Embodiment 1, the invention provides an intelligent remote control LED warning sign board, which is convenient to store, simple and easy to use.

Referring to fig. 1 and fig. 2-4, the intelligent remote control LED warning signboard provided by the present invention comprises a main control panel 15, a motor driving module and a foldable triangular module, a power supply 7, a second driving wheel 5, a first driving wheel 12, a driven wheel 9, a fixed support 13, an upper housing 4, and a lower housing 8; the general control panel 15 is carried on the fixed support 13, and the general control panel 15 is carried on the following functional modules: the motor driving chip L298N, the ultrasonic sensing module, the OpenMV camera and the timing chip are respectively and electrically connected with the main control unit on the main control panel 15; the electric drive module includes: the first motor 11, the second motor 6, the power 7 provides the required power of operation, and the specific theory of operation of electric drive module is: the transmitting end transmits a remote control signal by radiating radio waves outwards, the master control panel 15 on the fixed support 13 receives a control instruction from the transmitting end, the receiver can convert the radio signals into electric signals through the control circuit according to the instruction, the electric signals are injected into the high-frequency transmitting circuit through the modulation circuit, high-frequency radio waves containing the instruction are radiated to the periphery, and the receiving part receives the high-frequency radio waves and then passes through the high-frequency amplifying, shaping, demodulating and driving circuit, so that the operation of the motor driving module is controlled; driven wheel 9 is connected in the middle of fixed bolster 13 and is placed in the rear through slide rail 10 device for from the supporting effect of flexible folding effect and realization to warning sign board when expanding of driving wheel 9, make it can even running and guarantee to arrive the stable placing behind the destination, second drive wheel 5, first drive wheel 12, install respectively in fixed bolster 13 both sides, motor drive chip respectively with second drive wheel 5, first drive wheel 12 and steering wheel 14 electricity are connected, total control panel 15 accomplishes controlling second drive wheel 5, first drive wheel 12 and steering wheel 14 through motor drive chip L298N.

Referring to fig. 2-4, the foldable delta module includes: a steering engine 14, a triangular strip, an LED light-emitting module and fluorescent cloth 17; the long strip of triangle includes long limit LED base 3 and the long limit that LED hypotenuse 16 and first LED minor face 1 and the concatenation of second LED minor face 2 formed and constitutes, and LED light emitting module and fluorescence cloth 17 are arranged in on the triangle is rectangular, and steering wheel 14 is located fixed bolster 13 left side, accomplishes rectangular folding and expansion of triangle through 14 rocking arms of motor drive module control steering wheel.

The process of unfolding the foldable triangular module of the invention is as follows: under the drive of the motor drive module, the steering engine 14 takes two long-edge LED bottom edges 3 and LED bevel edges 16 of the triangular strip as force arms to realize 0-60-degree rotation through the rocker arm, and the first LED short edge 1 and the second LED short edge 2 are guided along the force to complete the folding and opening actions of the triangular strip, otherwise, the folding action is completed.

When the mobile function is realized, the control module consisting of the mobile phone APP and the master control panel 15 controls the work of the motor and the driving wheel, and the working process is as follows: the mobile phone APP program issues an instruction to the main control panel 15, the main control panel 15 controls the electric driving module to provide power for the driving wheel according to a preset program and the loaded sensing module, and controls the driving wheel through the electric driving module to enable the warning signboard to reach a specified distance in a straight line at a constant speed; the invention also has the turning and obstacle avoidance functions, which are realized by the ultrasonic sensing module loaded on the master control panel 15.

Specifically, this product can pack into the protective container under fold condition, conveniently stores and places, and the protective container style does not have the regulation, satisfies the protective container of warning denoter service condition all can.

Specifically, in order to increase the friction force and the stability, the driving wheel uses an off-road wheel, so that the friction force between the warning sign and the ground is enhanced, and the warning sign can better cope with special conditions such as extreme weather.

Specifically, the total control panel 15 preferably uses a single chip microcomputer STM32F103RCT6 as a control core to interact with each module.

Specifically, the first motor 5 and the second motor 6 are both speed reduction motors.

Specifically, the intelligent control program loaded on the main control panel 15 is divided into 4 intelligent gears according to the rule so as to adapt to various road conditions and climate conditions, wherein the gears are respectively 50 meters, 100 meters, 150 meters, 200 meters and four gears.

Specifically, the ultrasonic sensing module is mainly responsible for judging whether an obstacle exists in front or not, calculating the distance of the obstacle in front through a distance algorithm, and realizing turning and obstacle avoidance actions when the distance is smaller than a certain value.

Specifically, the OpenMV camera 18 belongs to a recognition and tracking unit, and can recognize a road identifier such as a white line; the intelligent LED warning sign board can be used for correcting the advancing direction of the intelligent LED warning sign board and ensuring that the intelligent LED warning sign board can correctly run along the road.

Specifically, the judgment of the running distance of the intelligent LED warning signboard is realized through a timing chip carried on the main control panel 15, and after the intelligent LED warning signboard runs at a constant speed for a preset time, the timing chip controls the motor driving module to stop running.

Specifically, the bluetooth chip is preferably QCC 5120.

In summary, the LED intelligent warning signboard provided by the present invention specifically works as follows: the product is taken out of the protective container, LED warning light is turned on, the connection between a mobile phone and the master control panel 15 is established through Bluetooth, remote control is achieved through mobile phone app, a proper forward gear is selected, the motor controls the driving wheels to enable the product to safely reach a designated place, the product is remotely controlled to unfold the triangular warning board, the steering engine 14 assists in completing unfolding work of the foldable triangular module, a warning triangle is formed, and warning work is completed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an intelligence remote control LED warning sign tablet, includes second drive wheel, first drive wheel, its characterized in that: the motor driving module is used for driving the motor to rotate;

the motor driving module comprises a power supply and a first motor, and the second motor is used for driving a second driving wheel and a first driving wheel;

the general control panel is electrically connected with the motor driving module, and the motor driving module is electrically connected with the first motor, the second motor and the steering engine in sequence and is used for controlling the rotation of the first driving wheel and the second driving wheel, driving the unfolding and folding of the foldable triangular module and early warning of road faults.

2. The intelligent remote control LED warning sign board of claim 1, wherein: the motor driving module comprises a power supply, a first motor and a second motor, wherein the motors are positioned at the connecting part of the driving wheel and the fixed bracket; the model of the motor driving module is L298N, control over the left driving wheel and the right driving wheel is achieved, the motor is coaxially connected with the driving wheels and the steering engine, and power is provided for the foldable triangular module and the left driving wheel and the right driving wheel.

3. The intelligent remote control LED warning signboard of claim 1, wherein the second driving wheel and the first driving wheel are mounted at the left end and the right end of the fixed support and coaxially connected with the motor, the motor driving module provides power support, and the driven wheel is connected to the middle of the fixed support through a sliding rail device and is arranged at the rear of the fixed support, so that the driven wheel can achieve a telescopic folding effect.

4. The intelligent remote control LED warning sign board as claimed in claim 1, wherein the foldable triangular module comprises a steering engine module, a triangular strip, an LED light emitting module and fluorescent cloth; the triangular strip is formed by splicing two integrated long edges and two short edges, the steering engine module takes the two long edges as force arms to realize 0-60-degree rotation, and the two short edges finish folding and opening actions; the LED light-emitting module and the fluorescent light are arranged on the triangular strip and form a warning triangle together with the fluorescent cloth; the steering engine module controls the triangle to unfold and fold through a steering engine rocker arm.