CN2127359Y - Speed auto-controller of automobile - Google Patents

Abstract

The utility model relates to a vehicle speed automatic control device used for freeways. When the vehicles enters into a section of a highway with speed restriction, the signals of the set speed limiting values projecting by a road-surface radio transmitting device are received by a vehicle signal receiver, and then are displayed in different electrical levels and digitals in a photosensitive speed-counting and speed-controlling sensor. Compared the electrical level with the actual speed of the vehicle, the output electrical signals are took as the dynamic force under the function of a photosensitive device in the photosensitive speed-counting and speed-controlling sensor. A driving vehicle follow-up oil supplying mechanism controls the quantity of the oil supply of vehicle, and limits the vehicle driving in a certain range of speed. The happening of traffic accidents can be prevented and reduced. The device can also implement the automatic enactment and the automatic control of the vehicle speed.

Description

Speed auto-controller of automobile

The utility model belongs to automatic speed controller of motor vehicle

Automatic speed controller of motor vehicle, be a kind of can be outer by car, send various rate control instruction and the device of automatic guidance automobile driving speed to the automobile that is travelling in the car.

According to domestic and international traffic regulation, automobile travels on the highway section that enters express highway or complexity, and different speed limits is all arranged, and with the moving velocity of Control of Automobile, prevents and reduce the generation of traffic accident.At present, exeed the regulation speed aspect the monitoring means and application engineering that driving vehicle takes both at home and abroad in control, all use the radar velocity measurement equipment series widely, the vehicle that travels to the exeeding the regulation speed record of implementing to test the speed automatically tests the speed in conjunction with the scene and intercepts the punishment method, the caveat driver and conductor abides by chapter and drives, and keeps the unimpeded and safety traffic of road.But this method need drop into complicated equipment and numerous police strength; Even so, also only be punishment and driver and conductor's the educational problem afterwards that has solved the automobile of driving over the speed limit, can't be at all the moving velocity of automobile be carried out actv. and control in real time.Now, although a lot of rules and monitoring means are arranged, automobile is implemented strict speed control aspect traffic safety management, every year still has been on the point of generation by the traffic accident various countries.According to statistics, the whole world nearly more than 40 ten thousand people that are killed in an automobile accident every year, the wounded's number is in millions upon millions of, and direct, indirect economic loss is more huge.Along with the development of Chinese national economy and a large amount of place in operations of automobile, this type of traffic accident occur in the trend that there is rapid sharp increase in China.

For preventing and reduce the generation of this type of traffic accident to greatest extent, ensure life property safety of people, the purpose of this utility model be intended to strengthen from put, comprehensive enforcement is to the real-time controlling level of automobile driving speed on the line, on the face, being intended to change existing is that the monitor mode of main means is the purpose of the automatic guidance car speed made by oneself of the hypervelocity automatic control that the utility model was proposed and the speed of a motor vehicle with radar velocity measurement.

For this reason, the automatic speed controller of motor vehicle that the utility model proposes is achieved in that the various different speed limits of a Control of Automobile moving velocity, in the cab signal receptor of putting as restricting signal input the utility model of setting, after the cab signal receptor receives processing, in photoptometer speed control speed sensors, come out with level mode and numeric display.This level, also be that required speed limit signal is compared with the actual speed of automobile, the electric signal of being exported under the light-sensitive unit effect in photoptometer speed control speed sensors is the real-time hypervelocity electric signal of automobile, this electric signal drives the speed of a motor vehicle servo-actuated feed apparatus of being put in the utility model automatic speed controller of motor vehicle, automobile delivery quality during automatic guidance travels, automobile is limited in certain speed range travels, realize the purpose that the utility model proposed.

Below in conjunction with accompanying drawing, describe content of the present utility model and implementation detail in detail.

The explanation of accompanying drawing drawing

Fig. 1 is that the utility model car speed automatic control device is implemented block diagram.

Fig. 2 is the utility model photoptometer speed control speed sensors Fig. 1-4 scheme drawing.

Wherein:

Fig. 2-a is a photoptometer speed control speed sensors constructional drawing.

Fig. 2-b is a photoptometer speed control speed sensors light-operated circuit schematic diagram.

Fig. 3 is the utility model Fig. 1-5 speed of a motor vehicle servo-actuated feed apparatus scheme drawing.

Among Fig. 1, Fig. 1-1 is for setting the speed limit signal projector, and Fig. 1-2 is the cab signal receptor; Fig. 1-3 compiles and edits device for the speed of a motor vehicle in the car; Fig. 1-4 is a photoptometer speed control speed sensors; Fig. 1-5 is a speed of a motor vehicle servo-actuated feed apparatus.

Fig. 1-1 sets the place, gangway that the speed limit signal projector is placed in the express highway two ends; Need carry out the complicated highway section of various friction speed restrictions; In the police car or operating personal hand that flows.

Fig. 1-1 sets the speed limit signal projector and mainly is made up of control key, coder, transmitter.Setting the speed limit signal is launched by transmitter antenna, speed limit signal (restricting signal and the reset signal that comprise change) to the dealing vehicle transmission highway section that enters receives the back by cab signal receptor Fig. 1-2 and shows with level and numeric display mode in photoptometer speed control speed sensors Fig. 1-4.In photoptometer speed control speed sensors, varying level physics dynamically shows formula, represents institute's different speed limit signal of receiving and import, be subjected to (car outward) setting speed limit signal projector Fig. 1-1 set with car in speed of a motor vehicle coder Fig. 1-3 compile and edit.

Fig. 1-3 compiles and edits device for the speed of a motor vehicle in the car.When outside the car without speed limit signal enter the cab signal receptor or the restricting signal that enters again by car outside remote signal again when " zero clearing ", under this control in cab signal receptor Fig. 1-2/remote signal automatic selector switch control, visual condition of road surface of chaufeur or the speed requirement of oneself are compiled and edited required moving velocity.Compile and edit a certain speed limit that device Fig. 1-3 yard key is compiled and edited by the speed of a motor vehicle in the car, as the required road speed of chaufeur, in local signal automatic control switch input photoptometer speed control speed sensors Fig. 1-4, show in photoptometer speed control speed sensors with level and numeric display mode too.(the interior speed of a motor vehicle of car is compiled and edited device and can't be carried out " zero clearing " to the car external signal, and the speed limit signal of having compiled and edited also can be occupied by the signal that car reenters outward.）

Setting speed limit impulse singla of the present utility model emission, reception, input mode are handled by existing general transmit, received code mode, its principle of work is known and is understood this professional those of ordinary skill, do not implement the circuit illustration Gu provide, only with above-mentioned character express.

Fig. 1-4 photoptometer speed control speed sensors is the system with speed metering and automatic speed control that combines according to traditional speed measurement technology of automobile and photoelectric technology.

Action function and the principle of design of photoptometer speed control speed sensors Fig. 1-4 are provided by Fig. 2.

Fig. 2-a is a photoptometer speed control speed sensors constructional drawing.

Fig. 2-b is a photoptometer speed control speed sensors light-operated circuit schematic diagram.

In Fig. 2-a, photoptometer speed control speed sensors has the speed indicator identical with having automobile odometer now (1), indicator needle shaft (2), speed of a motor vehicle display disc (3), hairspring (6), metal permanent magnet (7), axle drive shaft (8), the axle drive shaft flexible axle (9) that connects the engine output shaft worm gear pairs, and the travelled distance recording device basic elements of character such as (Fig. 2-a illustrate part omitted), implement outside traditional speed metering and the record travelled distance function, the photosensitive speed of a motor vehicle display discs of main light-sensitive unit parts (4) that are used for control rate then are made up of A and A ' dish institute up and down, A and A ' dish are provided with and are used for the light-emitting diode (or other electroluminescent materials) that level shows, just be satisfied with respectively on the identical up and down speed number (KM/h) of A and A ' dish, the photosensitive speed indicator of another parts (5) in Fig. 2 photoptometer speed control speed sensors then is satisfied with the vertical projection place of the coaxial speed indicator (1) of indicator needle shaft (2) between A and A ' coil.

Generally all be provided with high and low speed statute of limitation according to domestic and international express highway, the level that A dish in the photosensitive speed of a motor vehicle display disc of Fig. 2-a (4) is accepted the high speed speed limit shows, the level that A ' dish is accepted the low speed speed limit shows, level on A and the A ' dish shows, is carried out by the light-emitting diode on A and the A ' dish respectively.

Be described in further detail according to the principle and the implementation method of above-mentioned traffic law in conjunction with Fig. 2 photoptometer speed control speed sensors:

If an express highway section speed limit is 80KM/h＜V ≯ 120KM/h

When representing the high speed speed limit also is the setting speed limit signal of the high speed speed limit V ≯ 120KM/h of automobile, after cab signal receptor 1-2 reception, through the decoding of cab signal receptor and a series of digital circuit, after decision circuit is handled, outside this setting speed limit signal is shown on the relevant panel of photoptometer speed control speed sensors divided by digital 120, the level of this setting speed limit signal in photoptometer speed control speed sensors shows it is corresponding with it speed number (120KM/h) from the photosensitive speed of a motor vehicle display disc A dish, end at clockwise direction to the digital place of the A dish maximum speed that card indicated, all light-emitting diodes are bright, form the high speed clear zone of photosensitive speed of a motor vehicle display disc A dish card; When representing the low speed speed limit also is after the setting speed limit signal of the low speed speed limit V＞80KM/h of automobile is received by the cab signal receptor, same be shown on the above-mentioned panel with digital 80 outside, the level of this speed limit signal shows that then coil card " 0 " KM/h position ends from corresponding with it speed number (80KM/h) position anticlockwise direction on the photosensitive speed of a motor vehicle display disc A ' dish to A ', all light-emitting diodes are bright, form the low speed clear zone of A ' dish card too.(number of speed code position and speed of a motor vehicle display disc (3) the speed number that card indicated in Fig. 2-a A ' dish and the A dish are on the conplane perpendicular line).

When automobile enter to travel in the speed limit highway section or chaufeur by oneself speed requirement, when compiling and editing required road speed, photosensitive speed indicator (5) photosensor (perhaps photochromics) up and down with the synchronous rotation of speed indicator (1) in accept light-emitting diode clear zone of living in illumination on the AA ' dish projection produced hypervelocity electric signal under Fig. 2-b light-operated circuit effect, also promptly produce the required power of speed of a motor vehicle servo-actuated feed apparatus 1-5 in the utility model automatic speed controller of motor vehicle.

The generation of hypervelocity electric signal is described in detail in detail in conjunction with Fig. 2-a photoptometer speed control speed sensors constructional drawing by Fig. 2-b light-operated circuit below.

Fig. 2-b is a photoptometer speed control speed sensors 1-4 light-operated circuit schematic diagram.

The light-operated circuit schematic diagram of Fig. 2-b is only as the principle explanation, not as the side circuit of photoptometer speed control speed sensors 1-4.

In Fig. 2-b, when the photosensitive speed indicator (5) of reflection automobile driving speed enters among the photosensitive speed of a motor vehicle display disc A a certain high speed clear zone according to the kinematic velocity of automobile, the illumination in this clear zone projects on the photosensor of photosensitive speed indicator, its internal resistance is reduced, power line voltage V among Fig. 2-b almost all is added to potential device WR two ends, suitable dc bias is provided for transistor BG through the potential device dividing potential drop, make transistor turns, (output hypervelocity electric signal) collector current is by relay J coil attracting electric relay contact, automobile power supply voltage and drive motor M are connected, drive motor M rotates, to the certain power of speed of a motor vehicle servo-actuated feed apparatus 1-5 output, speed of a motor vehicle servo-actuated feed apparatus is worked automatically; Work as car deceleration, photosensitive speed indicator (5) is when anticlockwise direction is descending, photosensitive speed indicator leaves the illumination that A coils high limiting speed of driving speed clear zone, photosensitive speed indicator (5) is big facing to the interior resistive of the photosensor of A dish illumination one side, be added to the bias voltage near-zero of transistor base, transistor is ended, no current contact open in the relay, drive motor M stops operating, and (output of hypervelocity electric signal is ended) thereby speed of a motor vehicle servo-actuated feed apparatus 1-5 also quit work thereupon.When the photosensitive speed indicator (5) of reflection automobile driving speed entered a certain low limiting speed of driving speed clear zone, the illumination on this low limiting speed of driving speed clear zone A ' dish projected on the photosensor of photosensitive speed indicator another side, and drive motor M starts; (another light-operated circuit in the low limiting speed of driving speed clear zone of execution and the light-operated circuit in high limiting speed of driving speed clear zone are same, so omit on Fig. 2-b drawing.But the anti-phase wiring that is wired as to the wiring of drive motor M and high limiting speed of driving speed clear zone).When automobile speed-raising, photosensitive speed indicator (5) clockwise direction is up when leaving the illumination of A ' dish low speed clear zone, according to above-mentioned identical light-operated circuit principle, and drive motor M stall.

The utility model photoptometer speed control speed sensors is exactly that the hypervelocity electric signal driving speed of a motor vehicle servo-actuated feed apparatus that utilizes above-mentioned high, low speed speed limit clear zone to produce lifts gas automatically, automobile is limited in the speed range of regulation and travels, realize hypervelocity principle of automatic control and the purpose that the utility model proposes.

In the utility model, for the conversion freely that guarantees manually to step on control throttle and control fuel feeding automatically, when overspeed of vehicle moment, the sound and light alarm in advance (sound light alarming circuit Fig. 2-b slightly) in the certain hour that is provided by time delay circuit is reminded chaufeur to raise speed voluntarily or is slowed down.Have only when chaufeur when sound and light alarm is not made the action of stepping on control throttle accordingly in the time voluntarily, transistorized conducting just enters actual mode of operation in Fig. 2-b light-operated circuit.

The outputting power of above-mentioned light-operated circuit controlling and driving motor M is controlled fuel feeding automatically through speed of a motor vehicle servo-actuated feed apparatus, the purpose that the realization hypervelocity automatic control that the utility model proposed and the speed of a motor vehicle are made automatic control by oneself.In the action principle of the following speed of a motor vehicle servo-actuated feed apparatus that is described in further detail, the utility model will further be given complete statement and realization.

Fig. 3 is a speed of a motor vehicle servo-actuated feed apparatus 1-5 scheme drawing.

In Fig. 3, speed of a motor vehicle servo-actuated feed apparatus is made up of axle drive shaft (1) (the drive motor M of axle drive shaft 1 map interlinking 2-b), worm gear actuating unit (2), worm-wheel shaft (3), phantom gear (4), driving rack (5), gas pull bar (6), electromagnetic clutch pin controller (7), on-of pin (8).In speed of a motor vehicle servo-actuated feed apparatus Fig. 3, phantom gear (4) and driving rack (5) engagement, driving rack (5) is anchored on again on the accelerator rod (6) of automobile, when photoptometer speed control speed sensors Fig. 2-b output hypervelocity electric signal rotates drive motor M, worm gear actuating unit (2) turns to the power of certain rotating speed to the power of axle drive shaft (1), through worm-wheel shaft (3) power transmission is gone out.

In Fig. 3, when the worm-wheel shaft (3) of speed of a motor vehicle servo-actuated feed apparatus when stopping operating, it is the drive motor M stall in the photoptometer speed control speed sensors, the photosensitive speed indicator (5) of aforementioned reflection automobile driving speed is in and leaves or do not enter speed limit clear zone state, photoptometer speed control speed sensors no-output hypervelocity electric signal, the moving velocity of automobile was stepped on control throttle by chaufeur and was carried out this moment.In design of the present utility model, the up-and-down movement of being stepped on the control throttle pedal by chaufeur affects gas pull bar (6), make driving rack (5) thereupon left and right directions motion phantom gear (4) is unlikely to idle running hinder chaufeur and step on the control throttle action about worm-wheel shaft (3) is gone up.Produce the sound and light alarm signal and chaufeur is not made corresponding plus-minus throttle when stepping on the control action when overspeed of vehicle, aforementioned photoptometer speed control speed sensors output hypervelocity electric signal rotates drive motor M.Be subjected to the electromagnetic clutch pin controller (7) of light-operated circuit hypervelocity electric signal synchro control that on-of pin (8) is engaged with the concave groove of transmission gear (4) with the rotation of worm-wheel shaft (3) among Fig. 3, make transmission gear (4) change the active movement state of controlling fuel feeding with speed of a motor vehicle servo-actuated feed apparatus Fig. 3 automatically into from the driven state of kinematic motion that chaufeur is stepped on control throttle immediately, and according to the hand of rotation of worm-wheel shaft (3) accelerator rod (6) through driving rack (5) tooth electrical automobile, lift gas, the delivery quality of automatic guidance automobile, (gas pull bar 6 one ends connect automobile accelerator pedal, and an end connects gas.Do not draw among Fig. 3.）

In design of the present utility model, the outputting power of speed of a motor vehicle servo-actuated feed apparatus Fig. 3 is greater than the application force of chaufeur pin step on the accelerator, no matter this has just guaranteed under any circumstance, by the utility model implement control automatically fuel feeding and chaufeur step on that control throttle action can be coordinated and freely exchange is carried out, or not because of chaufeur have a mind to or countercharge unintentionally to move make the auto-supply of speed of a motor vehicle servo-actuated feed apparatus ineffective.

Brought forward is stated the principle and the implementation method of hypervelocity automatic control in the automatic speed controller of motor vehicle, and it is as follows to make the automatic control function implementation method by oneself about the speed of a motor vehicle of the present utility model:

When travelling on the highway section of automobile in no speed limit, according to aforementioned " high limiting speed of driving speed clear zone " by photoptometer speed control speed sensors Fig. 1-4 output hypervelocity electric signal drive speed of a motor vehicle servo-actuated feed apparatus 1-5 control travel in the delivery quality of automobile make automobile automatic deceleration and " low limiting speed of driving speed clear zone " by photoptometer speed control speed sensors Fig. 1-4 output hypervelocity electric signal drive speed of a motor vehicle servo-actuated feed apparatus 1-5 control travel in the delivery quality of automobile, make the automobile auto acceleration, automobile is controlled at principle and the action function that travels in the certain speed range.If the chaufeur speed of a motor vehicle is from being decided to be per hour 100 kilometers, before the constant speed, chaufeur is stepped on control throttle in advance, it is on the speed number about 100KM/h that the speed of a motor vehicle is stabilized in the speed of a motor vehicle that speed of a motor vehicle display disc reflected, and then compile and edit device 1-3 height by the speed of a motor vehicle in the motor-car, low speed speed limit sign indicating number key, according to the mounting process of the utility model light-emitting diode on photosensitive speed of a motor vehicle display disc speed number, can compile and edit out high speed clear zone that is higher than 100KM/h and the low speed clear zone that is lower than 100KM/h, (such as 95KM/h ∠ V ≯ 105KM/h), automobile speed is controlled in the above-mentioned speed range, by speed of a motor vehicle servo-actuated feed apparatus automatic guidance fuel feeding, automobile is adapted on comparatively smooth road, travel, also exempt the puzzlement and the inconvenience of the long distance driving of chaufeur pin step on the accelerator with ground-surface fluctuating automatic deceleration.

In the utility model design, compile and edit the device system and be adapted in the highway section emergent uphill/downhill and cause that the speed of a motor vehicle is serious to descend or send out and dash for guaranteeing in the car speed of a motor vehicle, engine power, the inharmonious situation of speed ratio and fuel feeding takes place, be satisfied with automobile accelerator pedal, constant speed electromagnetic switch on pedal of clutch and the brake pedal can interrupt the power supply voltage of light-emitting diode on the photosensitive speed of a motor vehicle display disc (when the speed of a motor vehicle is compiled and edited device and do not entered mode of operation in the car automatically under foot-operated effect, the constant speed electromagnetic switch is inoperative), drive to control transition (all omiting in the mechanism of above-mentioned constant speed electromagnetic switch and the circuit diagram) routinely by chaufeur.Also can be before entering the uphill/downhill highway section, chaufeur is gone ahead of the rest " zero clearing " in the machine, treats that automobile reenters to go constant speed behind the smooth highway section again.

In addition, emitting-receiving system of the present utility model also is that the emission of speed limit signal receives and all can change infrared facility into and carry out.

The utility model car speed automatic control device can be used as whole exterior component and is installed in the car body and independent its function of execution of using except that setting the speed limit signal projector.

Claims (5)

1, a kind of device that is used for the automatic guidance automobile driving speed, this device is compiled and edited device, photoptometer speed control speed sensors, speed of a motor vehicle servo-actuated feed apparatus and is formed by setting in speed limit signal projector, cab signal receptor, the car speed of a motor vehicle, it is characterized in that:

The impulse singla that a, described setting speed limit signal projector send, compile and edit the impulse singla that device sign indicating number key sends with the speed of a motor vehicle in the car, bright the showing slinkingly of all arranging orderly one or more light-emitting diodes (perhaps other electroluminescent materials) in this control/remote control priority signal automatic selector switch input photoptometer speed control speed sensors by the cab signal receptor illustrates

B, described photoptometer speed control speed sensors are made up of two identical photosensitive circuits, and photosensitive speed indicator is satisfied with between coaxial speed of a motor vehicle display disc A and the A ' dish,

C, described speed of a motor vehicle servo-actuated feed apparatus axle drive shaft engage with photoptometer speed control speed sensors drive motor, and axle drive shaft and worm gear actuating unit, worm-wheel shaft, electromagnetic clutch pin controller, on-of pin, phantom gear, driving rack, gas pull bar be one each other.

2, according to the described device of claim 1, it is characterized in that: photosensitive speed indicator photosensor (perhaps photochromics) up and down respectively can be corresponding with two row's light-emitting diodes (perhaps other electroluminescent materials) about photosensitive speed of a motor vehicle display disc A and the A ' dish.

3, according to the described device of claim 1, it is characterized in that: the light-emitting diode that is used as the high and low speed limit of control clear zone that is provided with on speed of a motor vehicle display disc A and the A ' dish, (perhaps other electroluminescent materials) just are satisfied with the vertical up and down correspondence of A and A ' dish respectively and are indicated on the number of speed code position of automobile driving speed.

4, according to the described device of claim 1, it is characterized in that: the electric signal of two identical photosensitive circuit outputs in the photoptometer speed control speed sensors, driving drive motor respectively with the anti-phase mode of connection rotates, its electric signal is also imported electromagnetic clutch pin controller simultaneously, and electromagnetic clutch pin controller is synchronoused working with drive motor.

5, according to claim 1,4 described devices, it is characterized in that: drive motor rotates, and the on-of pin in the electromagnetic clutch pin controller engages with the concave groove of phantom gear, and phantom gear is according to the rotation of worm-wheel shaft, tooth electrical automobile accelerator rod; The drive motor stall, on-of pin and phantom gear concave groove break away from, and phantom gear then can dally on worm-wheel shaft with the sense of motion of gas pull bar.

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