CN2343033Y - Automobile anti-collision indicator - Google Patents
Automobile anti-collision indicator Download PDFInfo
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- CN2343033Y CN2343033Y CN 98218356 CN98218356U CN2343033Y CN 2343033 Y CN2343033 Y CN 2343033Y CN 98218356 CN98218356 CN 98218356 CN 98218356 U CN98218356 U CN 98218356U CN 2343033 Y CN2343033 Y CN 2343033Y
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Abstract
The utility model provides an automobile anticollision indicator, which is characterized in that the utility model is provided with a case 1 and a laser ranging sensor 41, wherein, the front end of the case 1 is provided with a laser transmitting assembly 2 and a laser receiving assembly 3, and the back end of the case 1 is provided with a working switch 4, an alarm loudspeaker 5, a digital display 6 and an indicating lamp 7. The utility model organically combines laser transmitting and receiving systems, a sensor of vehicle speed and a computer central processing unit together. A driver can drive calmly to avoid the accidents such as collision and rear-end collision by using sound, light and data to directly prompt the driver to know about the distance between the vehicle and the forward vehicles or obstacles.
Description
The utility model relates to a kind of automobile collision preventing indicating device, particularly a kind of automobile collision preventing indicating device that adopts laser ranging, acousto-optic indication.
Along with the development of transit industry, road quality and automotive performance are become better and better, and make running speed improve greatly.Along with the raising of the speed of a motor vehicle because driver's deferred reaction or false judgment to unexpected incidents, owing to the weather reason like rain, mist or the like, running often takes place to collide or rear-end collision.
The purpose of this utility model is to provide a kind of automobile collision preventing indicating device, particularly a kind of automobile collision preventing indicating device that adopts laser ranging, acousto-optic indication, it can the instant alerts driver note the place ahead obstacle situation, guarantee reasonable operation, thereby effectively avoid the generation of automobile collision or rear-end collision.
As everyone knows, laser and super sonic, the better anti-jamming capability of having compared such as millimeter wave, and to rain, mist, the penetrance of road dust is stronger, therefore laser is used to test the speed in transportation, the present application in aspects such as range finding is quite extensive, the utility model is Laser emission and receiving system, car speed sensor and central processing unit (CPU) organically combine, by sound, light, data immediate reaction and prompting are equipped with vehicle drive person of the present utility model and know the distance of this car with front truck or obstacle, the driver is driven calmly, avoid taking place to collide or rear-end collision.What be worth proposition is that the related Laser emission assembly of the utility model, laser pick-off assembly and Laser emission and receiving system can be existing 0.83 mum wavelength Laser emission assembly, laser pick-off assembly and Laser emission and receiving system, central processing unit (CPU) can be existing 0831 or the Z80 micro controller system, and car speed sensor can be existing Hall element or other electric transducer.
The utility model is to adopt following technical scheme to realize: a kind of automobile collision preventing indicating device, be provided with casing and airborne laser range finder, front end at casing is provided with Laser emission assembly and laser pick-off assembly, is provided with operating switch, alarm speaker, nixie display and indicator lamp at casing rear end; The Laser emission assembly is in relation to the input end of Laser emission and receiving system in casing, the laser pick-off assembly is in relation to the input end of Laser emission and receiving system, the signal output part of Laser emission and receiving system is in relation to the input end of central process unit, alarm speaker is in relation to the input end of central processing unit (CPU), nixie display is in relation to the input end of central processing unit (CPU), and indicator lamp is in relation to the input end of central processing unit (CPU); Car speed sensor is set, and the signal output part of car speed sensor is in relation to the input end end of central processing unit (CPU); Power end is in relation to the power input of power panel by operating switch, the power output end of power panel, is in relation to the power end of Laser emission and receiving system and the input end of central process unit respectively.
Automobile collision preventing indicating device of the present utility model, wherein the output that is connected in aerotron BG, aerotron BG by the output of crystal oscillating circuit of Laser emission assembly is connected in the transmitter telescope that laser diode forms and forms, and this power valve outgoing laser beam focuses on the back through convergent lens and launches collimated laser beam.
Automobile collision preventing indicating device of the present utility model, wherein the laser pick-off assembly is focused on by convergent lens and focuses on photodetector through filter, and photodetector outputs to high speed operation amplifier and forms.
Automobile collision preventing indicating device of the present utility model, wherein the received signal disposal system is connected to joint denial gate by the output of binary pair and binary pair and forms.
Automobile collision preventing indicating device of the present utility model, central processing unit (CPU) wherein, form by central processing unit, random access memory, read-only memory, input port and delivery port, be connected to each other through bus, input port is connected with rotation direction sensor, car speed sensor and airborne laser range finder, delivery port are connected with deceleration alarm indicator and electro-hydraulic automatic gear shifting system.
Automobile collision preventing indicating device of the present utility model, wherein airborne laser range finder is installed in the front glass back of automobile cab or is installed in the both sides of automotive front, and operating switch, alarm speaker, nixie display, indicator lamp are placed in the operator's compartment.
Because the utility model has made full use of the strong characteristics of penetrance of laser, therefore the dust circumstances can be measured the distance of preceding vehicle on rainy day, greasy weather and highway, thereby can prevent the accident that highway is got on the car and collided effectively, guarantee the safety behaviour, the circuit of anti-collision device for automobile simply, for ease of maintenaince simultaneously, be convenient to promote the use of, therefore the utility model has the advantages that clearly.
The utility model is further described by embodiment below in conjunction with accompanying drawing.
Fig. 1 is the front-view schematic diagram of automobile collision preventing indicating device embodiment of the present utility model;
Fig. 2 is the schematic rear view of automobile collision preventing indicating device embodiment of the present utility model;
Fig. 3 is the circuit block diagram of automobile collision preventing indicating device of the present utility model;
Fig. 4 is the electrical schematic diagram of the laser transmitting system of automobile collision preventing indicating device of the present utility model;
Fig. 5 is the electrical schematic diagram of the laser receiver system of automobile collision preventing indicating device of the present utility model
Fig. 6 is the circuit diagram of the laser pick-off signal conditioning of automobile collision preventing indicating device of the present utility model;
Fig. 7 is the circuit diagram of the central processing unit (CPU) of automobile collision preventing indicating device of the present utility model;
Fig. 8 is the scheme of installation of automobile collision preventing indicating device of the present utility model;
Fig. 9 is another scheme of installation of automobile collision preventing indicating device of the present utility model.
In Fig. 1,1 is casing, is provided with Laser emission assembly 2 and laser pick-off assembly 3 at the front end of casing 1.Laser emission assembly and laser pick-off assembly transmit and receive laser respectively.
In Fig. 2, be provided with operating switch 4, alarm speaker 5, nixie display 6 and indicator lamp 7 in casing 1 rear end.Operating switch 4 uses as starting whole device.Loud speaker 5 is made warning usefulness, and nixie display shows count results.
In Fig. 3, below the first annexation between each square circuit among explanation Fig. 3; Laser emission assembly 2 is in relation to the input end 12 of Laser emission and receiving system 9 in casing 1, laser pick-off assembly 3 is in relation to the input end 13 of Laser emission and receiving system 9, the signal output part 15 of Laser emission and receiving system 9 is in relation to the input end 16 of central process unit 10, alarm speaker 5 is in relation to the input end 17 of central processing unit (CPU) 10, nixie display 6 is in relation to the input end 18 of central processing unit (CPU) 10, and indicator lamp 7 is in relation to the input end 19 of central processing unit (CPU) 10; Car speed sensor 8 is set, and the signal output part 21 of car speed sensor 8 is in relation to input end 20 ends of central processing unit (CPU) 10; Power end 26 is in relation to the power input 25 of power panel 11 by operating switch 4, and the power output end 22,23 of power panel 11 is in relation to the power end 14 of Laser emission and receiving system 9 and the input end 24 of central process unit 10 respectively.
The following describes the working process among Fig. 3, in the present embodiment, related Laser emission assembly 2, laser pick-off assembly 3 and Laser emission and receiving system 9 are existing 0.83 mum wavelength Laser emission assembly 2, laser pick-off assembly 3 and Laser emission and receiving system 9, central processing unit (CPU) 10 is existing 0831 or the Z80 micro controller system, and car speed sensor 8 is existing hall element sensor.The working process of the utility model embodiment is such: by present China Ministry of Communication relevant regulations, 16 kilometers of the every increases of the speed of a motor vehicle, the distance of Ben Che and front truck increases vehicle commander's distance.The automobile collision preventing indicating device of present embodiment is installed on after the automobile cab windshield, connects the automobile collision preventing indicating device of operating switch 4 back present embodiments and starts working.Laser emission assembly 2 is forwards launched laser pulse under the control of central process unit 10, laser pulses irradiate is to car in front or object back reflection, laser pick-off assembly 3 receives the electric signal that obtains respective distances after the reflector laser pulse by Laser emission and receiving system 9, and mouth 15 and the input end 16 of central processing unit (CPU) 10 of the electric signal of respective distances by Laser emission and receiving system 9 is admitted to central processing unit (CPU) 10 and carries out computing; In addition, car speed sensor 8 also is admitted to central processing unit (CPU) 10 with this vehicle speed electric signal by the output 21 of car speed sensor 8 and the input end 20 of central processing unit (CPU) 10.The electric signal and the speed of a motor vehicle electric signal of 10 pairs of respective distances of central processing unit (CPU) carry out calculation process, sound, show the speed of a motor vehicle or distance by alarm speaker 5 according to distance of front truck and this car and the relative velocity of this car by nixie display 6, send the light indication by indicator lamp 7, thereby remind the driver to keep the speed of a motor vehicle and spacing, avoid the generation of automobile collision or rear-end collision.
In Fig. 4,45 expression crystal oscillating circuits, the waveform that this circuit produces 10MHZ is output as square wave behind changing and shaping, the 10MHZ square wave is by aerotron BG, laser beam to 0.83 μ m of laser diodes power valve 27 (laser diode power is 15W) output is modulated, form the laser beam of modulation, launch parallel laser beam after focusing on by convergent lens 28.
Among Fig. 5, the laser beam that is reflected by object forms reception laser, by convergent lens 29 and filter 30, filtering interfering light, be input to photodetector 31, photodetector 31 can be made of the snowslide pipe, and photodetector 31 output 10MHZ square-wave signals are through the secondary high gain, and rapid transit amplifier 32 amplifies back output square-wave signal to received signal disposal system to be handled.
Among Fig. 6,33,35 is respectively binary pair T1, T2, and the 34th, joint denial gate T3, binary pair T1, T2 receive the 10MHZ square wave of laser transmitting system and the 10MHZ square wave of received signal respectively.When binary pair T2 did not have input (this moment Q1, Q2 output is 0), binary pair T1 had input (10MHZ square wave), and joint denial gate T3 is output as high level.When T2 had reception square-wave signal (10MHZ) input, Q1 was 0, and Q2 is 1, and OR-NOT circuit is output as 0.When OR-NOT circuit was output as high level, high-speed counter began counting, during output low level, closes counting machine (count frequency is 100MHZ), and this moment, the pulse count of output was promptly represented apart from number, and promptly a pulse is 1 meter.
Among Fig. 7, computer system 36 employing existing 0831 or Z80 micro controller systems.37 are the deceleration alarm indicator, and employing sound, light are reported to the police.38 for electro-hydraulic autoshift deceleration system is the system that existing automobile adopts, and computing machine sends command signal according to shift procedure to electromagnetic valve, and electromagnetic valve makes hydraulic work system, to realize autoshift.39 is the sensor that turns to, and 40 is car speed sensor, and 41 is airborne laser range finder.Cause flase alarm for avoiding automobile laser beam when turning to run into the roadside object, therefore bearing circle rotational angle one voltage sensor of electro-hydraulic autoshift deceleration system is housed, the bearing circle rotational angle is sent into computing machine with electric signal, under certain speed of a motor vehicle, when in the safety distance of the place ahead object being arranged, if steering wheel angle is during greater than certain value, then computing machine is not exported restriction signal.
The principle of car speed sensor 40 is for to install an infrared light supply and opto-electronic pickup at the propeller-shaft position, and transmission shaft whenever turns around, and pulse of opto-electronic pickup output is input to high-speed counter, represents the speed of a motor vehicle with per second arteries and veins spare number.Also can adopt the existing novel speedometer of electromechanical integration, instrument output electric signal is represented the speed of a motor vehicle.
Fig. 8 is a kind of mounting means of automobile collision preventing indicating device of the present utility model, and this device is installed in the glass back of operator's compartment, and this device as shown in Figure 1, 2.Airborne laser range finder 41 is installed in the right of bearing circle 43, as shown in FIG..This mounting means is used for express highway, because of express highway does not have the reverse driving vehicle, passing track is arranged, and the road surface is wide, and left and right sides space safety scope is big, can trouble free service so plant mounting means.
Fig. 9 is the another kind of mounting means of automobile collision preventing indicating device of the present utility model, airborne laser range finder (comprising emitting module and receiving unit) 41 is placed in the both sides of automotive front, as shown in FIG., operating switch, alarm speaker, nixie display, indicator lamp then are placed in the operator's compartment.This mounting means is a main mounting means of the present utility model.2 laser ranging system parallel connections will reflect range signal, promptly the output range signal less than safety distance signal be input to central processing unit (CPU), machine is handled back output and is slowed down or alerting signal as calculated.The advantage of this mounting means is to prevent automobile side crash, is used for express highway and high-grade highway.
More than the airborne laser range finder of two kinds of mounting meanss all when the speed of a motor vehicle 〉=48Km/h, start work, operating range is at 10 meters-200 meters, working environment: can normal operation under middle mist, moderate rain and the highway dust condition.This car can be according to this car situation with the safe spacing of front truck, and factors such as road surface and weather are regulated (by revising computer program).
Claims (5)
1, a kind of automobile collision preventing indicating device, it is characterized in that being provided with casing (1) and airborne laser range finder (41), front end at casing (1) is provided with Laser emission assembly (2) and laser pick-off assembly (3), is provided with operating switch (4), alarm speaker (5), nixie display (6) and indicator lamp (7) in casing (1) rear end; Laser emission assembly (2) is in relation to the input end (12) of Laser emission and receiving system (9) in casing (1), laser pick-off assembly (3) is in relation to the input end (13) of Laser emission and receiving system (9), the signal output part (15) of Laser emission and receiving system (9) is in relation to the input end (16) of central process unit (10), alarm speaker (5) is in relation to the input end (17) of central processing unit (CPU) (10), nixie display (6) is in relation to the input end (18) of central processing unit (CPU) (10), and indicator lamp (7) is in relation to the input end (19) of central processing unit (CPU) (10); Car speed sensor (8) is set, and the signal output part (21) of car speed sensor (8) is in relation to input end (20) end of central processing unit (CPU) (10); Power end (26) is in relation to the power input (25) of power panel (11) by operating switch (4), and the power output end (22) of power panel (11), (23) are in relation to the power end (14) of Laser emission and receiving system (9) and the input end (24) of central process unit (10) respectively.
2, automobile collision preventing indicating device according to claim 1, it is characterized in that, the output that Laser emission assembly (2) is connected in aerotron BG, aerotron BG by the output of crystal oscillating circuit (45) is connected in the transmitter telescope (27) that laser diode forms to be formed, and this power valve outgoing laser beam focuses on the back through convergent lens (28) and launches collimated laser beam.
3, automobile collision preventing indicating device according to claim 1, it is characterized in that laser pick-off assembly (3) is focused on after filter (30) focuses on photodetector (31), photodetector (31) outputs to high speed operation amplifier (32) and forms by convergent lens (29).
4, automobile collision preventing indicating device according to claim 1 is characterized in that, Laser emission and receiving system (9) are connected to joint denial gate (34) by the output of binary pair 33 and binary pair (35) and form.
5, automobile collision preventing indicating device according to claim 1, it is characterized in that, central processing unit (CPU) (10), form by central processing unit, random access memory, read-only memory, input port and delivery port, be connected to each other through bus, input port is connected with rotation direction sensor (39), and car speed sensor (40) and airborne laser range finder (41), delivery port are connected with deceleration alarm indicator (37) and electro-hydraulic automatic gear shifting system (38).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98218356 CN2343033Y (en) | 1998-08-18 | 1998-08-18 | Automobile anti-collision indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98218356 CN2343033Y (en) | 1998-08-18 | 1998-08-18 | Automobile anti-collision indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2343033Y true CN2343033Y (en) | 1999-10-13 |
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ID=33970691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98218356 Expired - Fee Related CN2343033Y (en) | 1998-08-18 | 1998-08-18 | Automobile anti-collision indicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2343033Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100462736C (en) * | 2006-06-29 | 2009-02-18 | 梁前超 | High accuracy laser folding angle measuring method and system |
| CN102529807A (en) * | 2011-12-29 | 2012-07-04 | 扬州大学 | Automobile anti-collision alarm system based on pulse laser ranging |
| CN102708656A (en) * | 2012-06-13 | 2012-10-03 | 绍兴电力局 | Transformer substation high-rising electrified body anti-approaching laser safety scanning alarming device |
| CN103287331A (en) * | 2012-02-29 | 2013-09-11 | 深圳光启创新技术有限公司 | Reminding device and car provided with same |
| WO2013185616A1 (en) * | 2012-06-13 | 2013-12-19 | 国家电网公司 | Safety laser scanning type alarm device for preventing approach to high-rising charged body for transformer substation |
| CN108216031A (en) * | 2018-03-26 | 2018-06-29 | 曹治 | A kind of automobile door opening bump-proof system |
-
1998
- 1998-08-18 CN CN 98218356 patent/CN2343033Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100462736C (en) * | 2006-06-29 | 2009-02-18 | 梁前超 | High accuracy laser folding angle measuring method and system |
| CN102529807A (en) * | 2011-12-29 | 2012-07-04 | 扬州大学 | Automobile anti-collision alarm system based on pulse laser ranging |
| CN102529807B (en) * | 2011-12-29 | 2013-10-30 | 扬州大学 | Automobile anti-collision alarm system based on pulse laser ranging |
| CN103287331A (en) * | 2012-02-29 | 2013-09-11 | 深圳光启创新技术有限公司 | Reminding device and car provided with same |
| CN103287331B (en) * | 2012-02-29 | 2016-08-17 | 深圳光启智能光子技术有限公司 | A kind of alarm set and automobile |
| CN102708656A (en) * | 2012-06-13 | 2012-10-03 | 绍兴电力局 | Transformer substation high-rising electrified body anti-approaching laser safety scanning alarming device |
| WO2013185616A1 (en) * | 2012-06-13 | 2013-12-19 | 国家电网公司 | Safety laser scanning type alarm device for preventing approach to high-rising charged body for transformer substation |
| CN102708656B (en) * | 2012-06-13 | 2014-06-25 | 绍兴电力局 | Transformer substation high-rising electrified body anti-approaching laser safety scanning alarming device |
| CN108216031A (en) * | 2018-03-26 | 2018-06-29 | 曹治 | A kind of automobile door opening bump-proof system |
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Addressee: Xie Chun Document name: payment instructions |
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| C57 | Notification of unclear or unknown address | ||
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Addressee: Xie Chun Document name: Notification of Termination of Patent Right |
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| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |