CN208101825U - A kind of laser region display device - Google Patents

Abstract

The utility model discloses a kind of laser region display devices, the device is able to detect that whether automobile turns by angular transducer, if being in turn condition, then go out laser by controller control laser transmitter projects and is projected on ground, forming region mark, prompt front vehicle not enter, and reduce traffic accident probability.The setting of sliding slot ensure that mounting base synchronous hunting, drive the laser emitter synchronous hunting being installed in mounting base, can ensure that vehicle device in turning effectively can form blind area on ground and identify well.

Description

A kind of laser region display device

Technical field

The utility model relates to a kind of display devices, more particularly, to a kind of laser region display device.

Background technique

As living standard is constantly accelerated, automobile has become people's trip, the important traffic in communications and transportation link One of tool.Driver judges the driving status of front vehicle, according to this in driving on driver's seat by rearview mirror Change the driving status (straight trip, turning, turn around) of vehicle；Corresponding indicator light is beaten when changing vehicle running state, is such as turned left Play left-hand bend lamp, right-hand bend lamp is played in right-hand rotation, and when accident plays double sudden strains of a muscle, and to prompt rear driver, rear driver can be with Vehicle is driven according to front vehicles indicator light situation, ensure that the orderly traveling of vehicle.

But automobile storage refers to that driver is located at normal driving seat and sets, sight quilt in vehicle blind zone, so-called vehicle blind zone Car body blocks and the part region that cannot observe directly.The vapour of lorry, car has been respectively indicated out as depicted in figs. 1 and 2 Vehicle blind zone position.Wherein the vehicle blind zone of lorry is there are half blind area and total blindness area, and A, B and C show half blind area in Fig. 1, this is blind Area's risk range greatly by the size of automobile itself depending on, driver is possible to observe the region；D, E show total blindness in Fig. 1 Area, the blind area are in outside the direct range of visibility of driver and the range of visibility of three pieces of rearview mirrors, and driver can not observe completely It arrives.

Vehicle body, driver's seat height, headstock length, driver's stature and design of pillar of windshield two sides etc. It is all that the above reason is very formidable, therefore automobile in actual production manufacture and driving procedure the reason of causing vehicle blind zone Blind area exists always, and driver is needed adequately to control in driving procedure, is not so easy to knock into the back, collides, scrapes Traffic accident.

Further, since front vehicle can not also know which region the blind area of front truck is in, and especially in turning, rear Vehicle often easily enters within the scope of the blind area of front vehicles, causes the traffic accidents such as to scrape, collide.If preceding car enters lorry Total blindness area (in Fig. 1 in region shown in D), lorry turning when, can not observe from left and right rearview mirror in total blindness area Vehicle will lead to the traffic accidents such as scraping, collision, or even overturn accident occur.

Therefore be while the car is driving identified the blind area of automobile, especially when automobile is turned, with prompt Front vehicle is even more important, and can lower the traffic accidents such as knock into the back, collide, but also do not have a product real now The now function.

Utility model content

The purpose of this utility model is to provide one kind can during automobile turning by vehicle blind zone in motor vehicle environment It is identified on ground, to prompt the laser region display device of front vehicle.

If laser region display device provided by the utility model include cabinet, controller, motor, angular transducer, Dry laser emitter and sliding slot, the controller, the motor and the sliding slot are installed in the cabinet；The two of the sliding slot Side is equipped with the mounting base to match with the laser emitter quantity, and each laser emitter is installed on by fixing piece respectively In the intracorporal mounting base of case, the laser that the laser transmitter projects go out projects outside towards the cabinet；The company of the motor Three-link mechanism is set in spindle, the sliding slot is installed in the follower link of the three-link mechanism, and can be with described Follower link rotation；The angular transducer is installed in the secondary follower link of the three-link mechanism, and can be with described time Follower link rotation；The signal input part of the controller is connect by conducting wire with the signal output end of the angular transducer, The signal output end of the controller is connect with the motor and the laser emitter respectively by conducting wire.

The device is able to detect that whether automobile turns by angular transducer, if being in turn condition, passes through Controller control laser transmitter projects go out laser and are projected on ground, and forming region mark prompts front vehicle not enter, Reduce traffic accident probability.The setting of sliding slot ensure that mounting base synchronous hunting, and drive is installed in mounting base Laser emitter synchronous hunting can ensure well that vehicle device in turning effectively can form blind area on ground and mark Know.

Further, the angular transducer is installed on the three-link mechanism by positioning plate.Angular transducer is more It is installed on three-link mechanism for firm.

Further, signal is uploaded to vehicle-mounted computer by network by the controller.It can be accurate by vehicle-mounted computer Ground calculates the steering angle of automobile, to obtain blind area range, further accurate blind area mark.

Further, the controller is single-chip minimum system composition.Structure is simple, and programmability is high.

Further, angular transducer is incremental encoder.The resolution ratio of whole device is improved, can timely be divided It distinguishes whether automobile is in turning, projects laser in time in ground and form blind area mark.

The beneficial effects of the utility model：Blind area can be formed in motor vehicle environment during automobile turning to identify, prompt Rear or side vehicle, reduce traffic accident.Structure is simple.

Laser region display device provided herein can be used for any automobile, such as lorry, car, minibus.

Detailed description of the invention

Fig. 1 is lorry blind area schematic diagram；

Fig. 2 is car blind area schematic diagram；

Fig. 3 is the structural schematic diagram of laser region display device provided by the utility model；

Fig. 4 is the structural schematic diagram of three-link mechanism documented by the utility model；

Fig. 5 is laser region display device provided by the utility model blind area tag line schematic diagram；

In figure：1- cabinet, 2- controller, 3- motor, 4- angular transducer, 5- laser emitter, 6- sliding slot, 7- installation Seat, 8- three-link mechanism, 9- locating piece, 10- shaft coupling, 31- connecting shaft, 81- drive connecting rod, 82- follower link, 83- times from Dynamic connecting rod；

(0.0) indicates that the tie point of follower link and drive connecting rod, camber line are made of several laser points in Fig. 5, arcuate segments Domain is blind area.

Specific embodiment

The utility model technical solution claimed is described in further detail in conjunction with attached drawing herein.

As shown in Figures 3 and 4, laser region display device provided by the utility model is mainly used for area identification, packet Cabinet 1 has been included, which is hexahedron, it is laid with several lightening holes or light-emitting section in one side or cabinet 1 is transparent cabinet, Ground is projected convenient for laser penetration to identify.Controller 2, motor 3, angular transducer 4, several laser are installed in cabinet 1 Transmitter 5, sliding slot 6, mounting base 7 and three-link mechanism 8；Wherein, the quantity phase of the quantity of mounting base 7 and laser emitter 5 Deng each laser emitter 5 is screwed respectively to be installed in corresponding mounting base 7；The drive connecting rod of three-link mechanism 8 81 are set in the connecting shaft 31 of motor 3, and connecting shaft 31 is connect by shaft coupling 10 with motor 3, and sliding slot 6 is installed on three-link machine In the follower link 82 of structure 8, drive sliding slot 6 to rotate when follower link 82 rotates, be installed on the mounting bases 7 of 6 two sides of sliding slot also with It with rotation, is formed and turns to identical radian with vehicle body, at this point, controller 2 drives laser emitter 5 to emit laser to the ground, then Blind area can be formed in ground to identify.Angular transducer 4 is installed in time follower link 83, and motor 3 drives three-link mechanism 8 Drive connecting rod 81 rotates, and follower link 82 and time follower link 83 rotate, the laser emitter 5 and angle sensor being mounted thereon Device 4 is also with rotation.

In addition, the signal input part of controller 2 is connect by conducting wire with the signal output end of angular transducer 4, acceptance angle The pulse signal that degree sensor 4 is exported；The signal output end of controller 2 by conducting wire respectively with motor 3 and laser emitter 5 Connection, for controlling motor 3 and the rotation of laser emitter 5 and shining.Can be by conducting wire with separate configurations lithium battery in cabinet 1 Controller 2, motor 3, angular transducer 4 and laser emitter 5 etc. provide operating voltage, can also be wired to vapour Vehicle vehicle power supply is powered for it.

The working principle for illustrating the present apparatus by taking lorry as an example herein is：The device is installed on the container of truck tail, The laser for enabling laser transmitter projects to come out is projeced into ground and forms mark.Angular transducer judges whether vehicle turns, It turns when vehicle is in, in angular transducer output pulse signal input controller, controller output control signal control motor Rotation, three connect mechanism rotation driven by the motor, make sliding slot thereon that divertical motion occur, as shown in figure 5, with sliding slot Turning operation, the mounting base for being installed on its two sides also occur to turn to rotation always with lorry, and arc is formed in steering procedure； At this point, controller also controls each laser transmitter projects laser, the laser projection that each laser transmitter projects go out is in ground A laser point is formed, due to persistence of vision effect, the laser point for being projeced into ground will be constituted mutually, blind area mark is formed, Prompt rear, side vehicle.

Motor 3 used by the application is servo motor, and angular transducer 4 can use incremental encoder or absolute type Encoder, used controller 2 is then that single-chip minimum system is constituted, such as by STM32 single-chip minimum system, ARM monolithic Machine minimum system, STC single-chip minimum system.

In order to make angular transducer 4 is more firm to be installed on three-link mechanism 8, here by positioning plate 9 by angle Degree sensor is installed on three-link mechanism 8.

In addition, the present apparatus is also connect with vehicle-mounted computer, concrete implementation is that 2.4G radio communication mold is provided on controller 2 Signal is uploaded to vehicle-mounted computer by wireless network by block.At this point, the collected steering data of the institute of angular transducer 4 can more than Reach vehicle-mounted computer, the steering angle of lorry can be accurately calculated by the operation program stored in vehicle-mounted computer, according to turn To the steering angle of angle-controlled motor, i.e., the angle that each mounting base is turned to, α 1 and α 2 as shown in Figure 5 make Laser emission It is more accurate clear that device is projeced into the mark of the blind area on ground.

Above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, those of ordinary skill in the art couple The modification or equivalent replacement that the technical solution of the utility model is made, without departing from the spirit of the technical solution of the utility model And range, it is encompassed by the scope of the claims of the utility model.

Claims (9)

1. a kind of laser region display device, it is characterised in that：The device includes cabinet (1), controller (2), motor (3), angle Spend sensor (4), several laser emitters (5) and sliding slot (6), the controller (2), the motor (3) and the sliding slot (6) It is installed in the cabinet (1)；The two sides of the sliding slot (6) are equipped with the peace to match with the laser emitter (5) quantity It fills seat (7), each laser emitter (5) is installed in the mounting base (7) in the cabinet (1) by fixing piece respectively, described The laser that laser emitter (5) is launched projects outside towards the cabinet (1)；It is set in the connecting shaft (31) of the motor (3) Three-link mechanism (8), the sliding slot (6) are installed in the follower link (82) of the three-link mechanism (8), and can be with described Follower link (82) rotation；The angular transducer (4) is installed in the secondary follower link (83) of the three-link mechanism (8), And it can be rotated with the secondary follower link (83)；The signal input part of the controller (2) is passed by conducting wire and the angle The signal output end of sensor (4) connects, the signal output end of the controller (2) by conducting wire respectively with the motor (3) and Laser emitter (5) connection.

2. a kind of laser region display device according to claim 1, it is characterised in that：The angular transducer (4) is logical Positioning plate (9) is crossed to be installed on the three-link mechanism (8).

3. a kind of laser region display device according to claim 1 or 2, it is characterised in that：The controller (2) passes through Signal is uploaded to vehicle-mounted computer by network.

4. a kind of laser region display device according to claim 1 or 2, it is characterised in that：The controller (2) is single Piece machine minimum system is constituted.

5. a kind of laser region display device according to claim 3, it is characterised in that：The controller (2) is monolithic Machine minimum system is constituted.

6. a kind of laser region display device according to claim 1 or 2, it is characterised in that：Angular transducer is increment Formula encoder.

7. a kind of laser region display device according to claim 3, it is characterised in that：Angular transducer is increment type volume Code device.

8. a kind of laser region display device according to claim 4, it is characterised in that：Angular transducer is increment type volume Code device.

9. a kind of laser region display device according to claim 6, it is characterised in that：Angular transducer is increment type volume Code device.