CN208796455U - Mechanical transport crossing anticollision driving trace guide line laser projection system - Google Patents
Mechanical transport crossing anticollision driving trace guide line laser projection system Download PDFInfo
- Publication number
- CN208796455U CN208796455U CN201821462191.3U CN201821462191U CN208796455U CN 208796455 U CN208796455 U CN 208796455U CN 201821462191 U CN201821462191 U CN 201821462191U CN 208796455 U CN208796455 U CN 208796455U
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- China
- Prior art keywords
- driving gear
- guide line
- stepper motor
- projection system
- accommodating chamber
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses mechanical transport crossing anticollision driving trace guide line laser projection systems, comprising: stepper motor;Shell comprising multilayer accommodating chamber;Driving gear shaft passes perpendicularly through the accommodating chamber simultaneously and relatively rotates connection with the shell, and the driving gear shaft is fixedly connected with the power output shaft of the stepper motor;Multiple driving gears respectively correspond and are arranged in the accommodating chamber, and are sleeved and fixed on the driving gear shaft, rotate synchronously with the driving gear shaft;Multiple driven gears respectively correspond setting and are connected by meshing transmission in the accommodating chamber, and with the driving gear;Multiple laser emitters are respectively corresponded and are fixedly mounted on the driven gear;Wherein, the multiple driving gear parameter is identical, and the multiple driven gear from the bottom to top successively successively decrease by the number of teeth.
Description
Technical field
The utility model relates to anticollision driving assistance systems, and in particular to mechanical transport crossing anticollision driving trace draws
Conducting wire laser projection system.
Background technique
About 1,240,000 people die of traffic accident every year in the whole world, 20,000,000-5,000 ten thousand people be subjected to due to traffic accident and
Caused by non-fatal injuries.In traffic accident, collision is the main forms of traffic accident.
In no traffic light intersection and have at vision dead zone, through vehicles, turning vehicle and pedestrian or side vehicle are often sent out
Raw collision.
In China, there is vast development prospect in terms of vehicle collision avoidance and vehicle early warning, but there is presently no an energy
It is enough to be generally applicable in and inexpensive technology reaches these purposes.Through consulting literatures, at present both at home and abroad to vehicle collision avoidance and vehicle
The study portion of early warning is as follows: (1) pre- in Chinese patent " a kind of driving prior-warning device and with the vehicle of the device "
The laser emitter arrangement of alarm device on one wire, makes it form a warning line on ground, by by controller and vehicle
Speedometer connection, so that vehicle opens the laser emitter of different number in different speeds, to reach different straight lengths
Warning line, be supplied to opponent vehicle under different straight trip speeds or early warning that pedestrian is suitable for judges the time to realize;(2) it " runs quickly
Speed third generation LED headlight DIGITAL LIGHT technology " in LED light can find out vehicle in advance under the assistance of intelligence sensor
Pedestrian or pavement in front of side, and by the LED illumination individually controlled in front of side to remind driver to pay attention to front.
And in the prior art, traditional turn signal projection distance is closer, there are the traffic intersections of larger barrier
Place, due to blind area, is not easy to be found by people.
Utility model content
The utility model has designed and developed mechanical transport crossing anticollision driving trace guide line laser projection system, this reality
With novel purpose of utility model first is that laser emitter can be driven to deflect in real time by stepper motor.
The purpose of utility model of the utility model second is that making different laser emitters using the different transmission ratio of gear
It projects the laser of different angle and then projects traval trace, avoid the traffic in blind area from crashing, mention
High traffic safety.
Technical solution provided by the utility model are as follows:
Mechanical transport crossing anticollision driving trace guide line laser projection system, comprising:
Stepper motor;
Shell comprising multilayer accommodating chamber;
Driving gear shaft passes perpendicularly through the accommodating chamber simultaneously and relatively rotates connection with the shell, and described
Driving gear shaft is fixedly connected with the power output shaft of the stepper motor;
Multiple driving gears respectively correspond and are arranged in the accommodating chamber, and are sleeved and fixed in the driving gear
On axis, rotated synchronously with the driving gear shaft;
Multiple driven gears respectively correspond and are arranged in the accommodating chamber, and even with the driving gear engaged transmission
It connects;
Multiple laser emitters are respectively corresponded and are fixedly mounted on the driven gear;
Wherein, the multiple driving gear parameter is identical, and the multiple driven gear from the bottom to top successively successively decrease by the number of teeth.
Preferably, further includes:
Multiple laser emitter pedestals, are fixed on the driven gear, and the laser emitter is fixedly mounted respectively
On the laser emitter pedestal.
Preferably, further includes:
Steering wheel angle sensor is used to monitor the steering wheel angle;
Single-chip microcontroller, while steering wheel angle sensor and the stepper motor described in Electricity Federation.
Preferably, further includes:
Vehicle power supply comprising 12V power module and 5V power module;
Wherein, the 12V power module is connect with the steering wheel sensor, the 5V power module and the single-chip microcontroller
Connection.
Preferably, the single-chip microcontroller is STC89C52 single chip.
Preferably, the stepper motor is MB450A stepper motor.
Preferably, the projection system is arranged two groups, connects respectively with the steering front wheel of the left and right side of the automobile
It connects;And
8 layers of accommodating chamber are set in the shell, and the driving gear, the driven gear are installed respectively in every layer
With the laser emitter.
The utility model compared with prior art possessed by the utility model has the advantages that
1. anti-collision system described in the utility model is high using clarity, scattering is small, Different Ground adaptability is preferably more
A laser emitter projects the expected driving trace line of automobile on vehicle front ground, this mode can make other close to cleaning vehicle
Clear judgement this vehicle future travel track, the utility model can effectively reduce Ben Che driver and forget to open turn signal lamp or in no friendship
The automobile collision accident that possibility when ventilating signal lamp crossing crosses occurs, greatly improves traffic safety;
2. angle and the side of anti-collision system utilization orientation disk rotary angle transmitter estimation vehicle wheel rotation described in the utility model
To accurately controlling laser emitter rotation direction and corner size using monolithic Electrical Control, made using different gear ratios
The angle that each laser emitter turns over is different, more the expected driving trace of accurate simulation vehicle.
Detailed description of the invention
The 3-D view of Fig. 1 mechanical structure described in the utility model.
Fig. 2 is the cross-sectional view of mechanical structure described in the utility model.
Fig. 3 is electric-control system composition block diagram described in the utility model.
Fig. 4 connect electrical schematic diagram with STC89C52 single chip for steering wheel angle sensor described in the utility model.
Fig. 5 connect electrical schematic diagram with STC89C52 single chip for stepper motor driver described in the utility model.
Fig. 6 is the program flow chart of electronic control unit described in the utility model.
Fig. 7 is the installation site front elevation of mechanical structure described in the utility model.
Fig. 8 is projection figure described in the utility model.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art referring to explanation
Book text can be implemented accordingly.
The utility model is made of mechanical structure and electronic control unit;At special intersection, system switching is triggered manually (when need
When improving the degree of automation, can also be changed to automatically turn on system described in the utility model together with unlatching turn signal), pass through this
The angle for the steering wheel rotation that the real-time read direction disk rotary angle transmitter of electronic control unit in utility model measures, estimates vehicle with this
Take turns the angle and direction of rotation;Electronic control unit is rotated according to the wheel steering angle control stepper motor of calculating, and then stepper motor band
Each gear and laser emitter of motivation tool turntable rotate, and transmitter projects the track that will be travelled on the ground.
As shown in Figure 1, Figure 2, shown in Fig. 7, the main structure of the utility model includes mechanical transport crossing anticollision driving trace
Guide line laser projection system, is mounted on air-inlet grille, the main structure 100 of projection system include laser emitter 110,
Laser emitter pedestal 120, driving gear 130, driving gear shaft 140, driven gear 150, driven gear shaft 160 and shell
170;Wherein, each 130 parameter of driving gear is identical, and each 150 number of teeth of driven gear is different;Shell 170 is divided into 8 layers, each layer
Be respectively provided with a driving gear 130 and driven gear 150, laser emitter 110 via laser emitter pedestal 120 be fixed on from
On moving gear 150;The driving gear 130 of this mechanical structure is fixed on same driving gear shaft 140, and is driven by stepper motor
Dynamic, driving gear 130 is rotated synchronously with driving gear shaft 140 simultaneously, and driving gear 130 drives driven gear 150 to rotate, thus
Laser emitter 110 is driven to rotate;In order to realize that laser emitter 110 turns over different angle to launch several different rotaries
The laser link of angle, and then connect the purpose that forms a curve, from top to bottom the number of teeth of each layer of driven gear 160 according to
Secondary to successively decrease, by Principles of Gear Connection, the relationship of the main driven gear number of teeth and corner is Z1/Z2=a2/a1, when driving gear corner
One timing, each driven gear corner successively becomes larger from top to bottom, and then has achieved the purpose that launching laser is linked to be a track;
130 corner of driving gear is by the step motor control according to steering wheel angle sensing adjusting, to can realize according to direction of traffic
The radian of disk corner real-time control transmitter projection track.
As shown in figure 3, the electronic control unit in the utility model is by main body packet in another embodiment of the utility model
Include steering wheel angle sensor, electronic control unit, two stepper motors and vehicle power supply composition;Electronic control unit is by single-chip microcontroller, power supply
It is formed with two stepper motor drivers;In the present embodiment, as a preference, for single-chip microcontroller STC89C52 type single-chip microcontroller
As processor, other single-chip microcontrollers of similar different model do not regard as having different organization plans from the utility model, have
All single-chip microcontrollers for having identical control program with the utility model or realizing identical control function are that the utility model right is protected
Protect range.
As shown in figure 4, steering wheel angle sensor VDD interface is connected with power module 12V, steering wheel angle sensor
GND interfacing ground, steering wheel sensor OUT interface are signal output interface, are connect with the P1^0 interface of single-chip microcontroller STC89C52.
The VDD of single-chip microcontroller STC89C52 is connected with power module 5V, the VSS interfacing ground of single-chip microcontroller STC89C52.
As shown in figure 5, the utility model selection model MB450A stepper motor driver, the port single-chip microcontroller P0^0 with
Stepper motor driver stepping pulse signal inputs the connection of anode PUL+ port electric wire, stepper motor driver stepping pulse signal
Input negative terminal PUL- ground connection, single-chip microcontroller P0^0 are responsible for port sending the pulse to stepper motor driver for controlling stepper motor turn
Angle.The port single-chip microcontroller P0^1 is connect with the stepper motor driver step direction signal input port anode DIR+ electric wire, stepping electricity
The machine driver step direction signal port input negative terminal DIR- ground connection, single-chip microcontroller P0^1 are responsible for port transmission switching value and give stepping electricity
Machine driver is used to control the steering of stepper motor.The port single-chip microcontroller VSS ground connection, single-chip microcontroller supply port VDD connect power module
5V power supply.The DC+ of stepper motor driver connects the 24V power supply of power module, the DC- ground connection of stepper motor driver.
As shown in fig. 6, being stored with the control program for the anti-collision system write in advance, this reality in the single-chip microcontroller of electric-control system
With a kind of novel course of work execution, steps are as follows:
Step 1: judging whether trigger switch starts, if it is activation system, otherwise continues to judge;
Step 2: single-chip microcontroller reads the steering wheel angle signal θ of rotary angle transmitter measurement after activation systemf, and according to public affairs
Formula θL=θf÷iωCalculate steered wheel deflection angle θL;Wherein, iwFor the angular gear ratio of steering system, the i of carwAbout 12
~20, corresponding i can be selected according to different automobile typesw;
Step 3: single-chip microcontroller is according to formula f=θL× k handles signal, and pulse f is passed to revolver and right wheel stepping electricity
Machine driver, to control revolver and right wheel stepper motor while deflect a fixed angle;In formula, k is proportionality coefficient, specific number
Value can be measured by experimental calibration.
As shown in figure 8, when the utility model is used, passing through the automatically controlled list in the utility model after triggering system switching
The angle of the steering wheel rotation that read direction disk rotary angle transmitter measures first in real time, angle and the side of vehicle wheel rotation are estimated with this
To;Electronic control unit is according to the wheel steering angle of calculating according to formula f=θL× k handles signal, and pulse is passed to stepper motor
Driver, so that stepper motor rotation is controlled, and then stepper motor drives each gear and the laser emitter rotation of mechanical turntable,
Since the number of teeth of each driven gear is different, the angle for causing each driven gear and paired laser emitter to turn over is also each
Not identical, transmitter projects two circular arc lines, i.e. the driving trace line of vehicle on the ground.
When laser projection is to front, makes other vehicle drivers while observing crossing wagon flow situation, can judge
This vehicle driving trace, so that the collision accident for avoiding erroneous judgement track from occurring, is effectively improved intersection traffic safety.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art,
Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (7)
1. mechanical transport crossing anticollision driving trace guide line laser projection system characterized by comprising
Stepper motor;
Shell comprising multilayer accommodating chamber;
Driving gear shaft passes perpendicularly through the accommodating chamber simultaneously and relatively rotates connection, and the active with the shell
Gear shaft is fixedly connected with the power output shaft of the stepper motor;
Multiple driving gears respectively correspond and are arranged in the accommodating chamber, and are sleeved and fixed on the driving gear shaft,
It is rotated synchronously with the driving gear shaft;
Multiple driven gears respectively correspond setting and are connected by meshing transmission in the accommodating chamber, and with the driving gear;
Multiple laser emitters are respectively corresponded and are fixedly mounted on the driven gear;
Wherein, the multiple driving gear parameter is identical, and the multiple driven gear from the bottom to top successively successively decrease by the number of teeth.
2. anticollision driving trace guide line laser projection system in mechanical transport crossing as described in claim 1, feature exist
In, further includes:
Multiple laser emitter pedestals, are fixed on the driven gear, and the laser emitter is respectively and fixedly installed to institute
It states on laser emitter pedestal.
3. anticollision driving trace guide line laser projection system in mechanical transport crossing as claimed in claim 1 or 2, feature
It is, further includes:
Steering wheel angle sensor is used to monitor the steering wheel angle;
Single-chip microcontroller, while steering wheel angle sensor and the stepper motor described in Electricity Federation.
4. anticollision driving trace guide line laser projection system in mechanical transport crossing as claimed in claim 3, feature exist
In, further includes:
Vehicle power supply comprising 12V power module and 5V power module;
Wherein, the 12V power module is connect with the steering wheel angle sensor, the 5V power module and the single-chip microcontroller
Connection.
5. anticollision driving trace guide line laser projection system in mechanical transport crossing as claimed in claim 4, feature exist
In the single-chip microcontroller is STC89C52 single chip.
6. anticollision driving trace guide line laser projection system in mechanical transport crossing as claimed in claim 4, feature exist
In the stepper motor is MB450A stepper motor.
7. the mechanical transport crossing anticollision driving trace guide line laser projection as described in any one of claim 1,2,4-6
System, which is characterized in that the projection system is arranged two groups, connects respectively with the steering front wheel of the left and right side of the automobile
It connects;And
8 layers of accommodating chamber are set in the shell, and the driving gear, the driven gear and institute are installed respectively in every layer
State laser emitter.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821462191.3U CN208796455U (en) | 2018-09-07 | 2018-09-07 | Mechanical transport crossing anticollision driving trace guide line laser projection system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821462191.3U CN208796455U (en) | 2018-09-07 | 2018-09-07 | Mechanical transport crossing anticollision driving trace guide line laser projection system |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208796455U true CN208796455U (en) | 2019-04-26 |
Family
ID=66208726
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821462191.3U Expired - Fee Related CN208796455U (en) | 2018-09-07 | 2018-09-07 | Mechanical transport crossing anticollision driving trace guide line laser projection system |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208796455U (en) |
-
2018
- 2018-09-07 CN CN201821462191.3U patent/CN208796455U/en not_active Expired - Fee Related
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Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190426 Termination date: 20190907 |
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CF01 | Termination of patent right due to non-payment of annual fee |