CN202641686U - Automobile intelligent brake device - Google Patents
Automobile intelligent brake device Download PDFInfo
- Publication number
- CN202641686U CN202641686U CN 201220109493 CN201220109493U CN202641686U CN 202641686 U CN202641686 U CN 202641686U CN 201220109493 CN201220109493 CN 201220109493 CN 201220109493 U CN201220109493 U CN 201220109493U CN 202641686 U CN202641686 U CN 202641686U
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- friction
- braking
- wheel
- gear
- brake
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Abstract
The utility model relates to an automobile intelligent brake device, which belongs to the field of the automobile safety, and the automobile intelligent brake device is characterized by comprising a wheel speed sensor 1, a brake pedal displacement sensor 2, a single chip microprocessor 3, a belt wheel friction disc, a gear friction disc 5, a manipulating rod 6, a rack 7, a push rod 8, a bushing 9, a buffering spring 10, a wheel hub friction ring 11, a bi-directional transmission mechanism 12, a pressure sensor 13, a pressure plate 14, an alarm lamp 15, an ignition circuit switch 16 and a resetting button 17, and the automobile intelligent brake device is used for realizing intelligent brake of a car with brake failure. The system is centralized on the single chip microprocessor, a sensor system is used for collecting information, a gear friction clutch is closed, the brake power is transmitted from a gear rack transmission mechanism to the pressure plate so as to brake a wheel hub friction plate by utilizing the rotation speed of an engine, the car is automatically flamed out under the extreme pressure, the produced back pressure is also used for braking a crankshaft in a back pressure way through the transmission mechanism, and the entire brake effect of the system is enhanced. The device is reset by pressing the resetting button.
Description
Technical field
The utility model relates to the vehicle safety field.It is a kind of intelligent brake equipment that automatically detects and automatically implement braking by electron steering.
Background technology
On automobile, brake system is as the part of a guarantee driving safety most critical, not only can make car deceleration in the motion, stop, and can also keep halted state.Yet, along with the modern automobile running velocity is more and more faster, if do not keep in repair for a long time or do not pay attention to maintenance, the braking potential of automobile will occur gliding or be weak, particularly on second-hand car or kilometer long second-hand vehicle that travels, the problem of braking failure is more outstanding.Behind the braking failure, automobile will lose braking potential fully, even unclamp throttle, automobile also can continue to run at high speed under effect of inertia, deals with improperly, gently destroys public property, and grievous hurt life brings about frightful disaster.
The development of auto trade is maked rapid progress, and safety has become the primary factor of considering when numerous car owners purchase car gradually, therefore must especially strengthen design and manufacturing to brake system when automobile design.Cause the reason of braking failure a lot.The one, brake system is lacked necessary maintenance, impurity is too many, poorly sealed in the master cylinder, vacuum booster pump lost efficacy, brake noise is crossed and vapour lock, master brake cylinder or wheel cylinder leakage of oil, storage tank or pipe interface gas leakage are occurred after dirty or several brake noises mixing uses are heated; The 2nd, because misoperation causes parts to lose efficacy, can make brake plate sheet frictional heat, brake hub charing, braking function entirely ineffective such as long-time descending; The 3rd, because serious overload under the effect of acceleration due to gravity, has strengthened vehicle movement inertia, directly cause braking failure.Yet, with present technology, more than the appearance of any situation all can't stop, for addressing this problem, can install an intelligent brake equipment additional at automobile.
Summary of the invention
The purpose of this utility model is to judge whether braking is in wholly or in part inefficacy and also automatically brakes again in vehicle traveling process.
This system is achieved through the following technical solutions:
A kind of vehicle intellectualized brake equipment comprises wheel speed sensors, brake pedal displacement pickup, micro controller system, gear friction clutch and joystick, rack-and-pinion type transmission mechanism, wheel hub friction ring, Bidirectional Conduction mechanism, pressure sensor, platen, warning light, ignition circuit switch, reset button and each mechanism fixer.Signal is sent by wheel speed sensors and brake pedal position sensor, master control system is accepted to process and send signal to joystick to make the power-transfer clutch combination, the moment of power-transfer clutch passes to power the platen of wheel through push rod, recoil spring and sleeve by sun gear shaft driven gear gear rack type driving mechanism, platen carries out heavy braking by the friction lining that compression is installed on the wheel inner wheel hub, and Bidirectional Conduction mechanism copies to the opposite side wheel with effect.After reaching rated pressure, to master control system, accept to process and send signal to solenoid directional control valve and stop working by force by master control system with signal feedback for pressure sensor, continues braking and utilize back pressure that bent axle is carried out the back pressure braking with timer, automobile stops, and braking procedure finishes.When pressing reset button, device restores, in order to reuse.
Described central control unit is used for receiving, analyzes and processes the feedback signal of wheel speed sensors, brake pedal position sensor and pressure sensor and export control signal.The gear friction clutch comprises gear friction disc, belt pulley friction disc, joystick and anchor fitting, its middle belt pulley friction disc is directly with engine belt pulley welding and thereupon rotation, gear friction disc central axis welded gear axle is also fixed with anchor fitting, thereby driven wheel tooth bar formula transmission device, the combination of friction disc relies on joystick, friction disc is the higher friction lining of friction coefficient, so that in conjunction with producing larger friction moment.Rack-and-pinion type transmission mechanism comprises gear wheel shaft, tooth bar, push rod, recoil spring, sleeve, pressure sensor and the anchor fitting of gear friction disc, thereby the platen that promotes to be installed in the wheel hub inboard is pressed on the wheel hub friction lining, simultaneously with signal feedback to master control system.The wheel hub friction ring is the annular friction sheet of great friction coefficient, closely sticks on the wheel nave inward flange, and described platen one side is with the groove of being combined with sleeve, and opposite side is installed friction lining, and is fixed on the chassis by being rigidly connected.Bidirectional Conduction mechanism comprises central rotating shaft, connecting rod, captive nut, retracing spring, and its effect is the rack-and-pinion type transmission mechanism that same movement is delivered to the opposite side wheel, the effect of braking to reach two-wheel, and auto-reset function is arranged.The ignition circuit switch is attachment means, is installed in the ignition circuit, and normal open, switch disconnects and makes circuit breaker behind the signal that receives master control system, and to reach the purpose of automobile flameout, after end of braking, this switch can reset by action button.Back pressure braking namely utilizes rack-and-pinion type transmission mechanism that the exert pressure back pressure of rear generation of wheel is produced braking to the gear friction disc, thus the braking bent axle.Take micro controller system as core; by the sensor-based system Information Monitoring; by the pinion friction clutch; utilize simultaneously the rotating speed of driving engine; promote platen through rack-and-pinion type transmission mechanism and be pressed on the wheel hub friction lining with braking, and make automobile can auto shut down after reaching certain braking effect with protection driving engine and transmission device, platen produces friction moment by the back pressure that transmission device returns to the belt pulley friction disc simultaneously; thereby the braking bent axle has promoted the entire system braking effect.
Principle of work:
Intelligent brake equipment after a kind of automobile brake described in the utility model lost efficacy comprises wheel speed sensors, brake pedal displacement pickup, micro controller system, gear friction clutch and joystick, rack-and-pinion type transmission mechanism, wheel hub friction lining, Bidirectional Conduction mechanism, pressure sensor, platen, warning light, ignition circuit switch, reset button and each mechanism fixer.Wheel speed sensors is used for the rotation speed change of monitoring wheel, is installed in the wheel hub, and relevant data is passed to micro controller system in real time.The brake pedal displacement pickup is for detection of the displacement data of brake pedal, and sends to micro controller system.The real time data that micro controller system transmits two sensors is carried out computing and is compared with rated value, then is not judged to be braking failure if do not conform to.Micro controller system starts situation and the intelligent brake equipment of warning light switch connection with the reminding driver braking failure first after being judged to braking failure.After the instantaneous unlatching of device work, micro controller system is combined the gear friction disc by the control joystick with the belt pulley friction disc.At this moment, the belt pulley friction disc driven gear friction disc that is driven by engine belt pulley slowly begins to rotate, it is mobile that the gear wheel shaft at gear friction disc center will be with carry-over bar to begin, tooth bar promotes the push rod reach, and make the compression of the recoil spring of the anterior welding of push rod, thrust is delivered on the sleeve that is enclosed within on the push rod, when arrival is fixed on the platen on the chassis, combine closely with the groove on the platen, platen is subject on the instantaneous edge that is pressed on the wheel inner wheel hub of powerful impact, paste the friction lining of a circle great friction coefficient on the edge, wheel was subject to instantaneous friction moment and began braking this moment.Bidirectional Conduction mechanism utilizes moment that thrust is passed to another group push rod conduction mechanism and brakes equally the opposite side wheel.Pressure sensor is installed in the pressure of detection springs in the sleeve, and will detect data and send in real time micro controller system, when force value reaches the rated pressure value that SCM program sets, micro controller system will transmit a signal to the ignition circuit switch that is installed in the automotive ignition system circuit and make it to disconnect automobile flameout.Driving engine continues to drive belt pulley and rotates under high speed rotating inertia, belt pulley driven gear friction disc, friction disc driven gear gear rack type driving mechanism promotes forward, the pressure that the wheel inboard is subject to constantly increases, the back pressure that platen is subject to is also increasing, back pressure passes to sleeve by platen, spring, push rod and tooth bar, the final gear friction disc that cooperates with tooth bar that arrives, the maximum frictional force that can bear when the belt pulley friction disc will skid with the gear friction disc when being not enough to overcome from the back pressure of wheel, the gear friction disc stops operating being subject to limit back pressure, the gear friction disc that does not turn produces friction moment to the belt pulley friction disc that rotates, belt pulley friction disc rotating speed is slowly reduced, namely reduce the rotating speed of engine crankshaft, thereby again reduce automotive operation speed, owing to produced more braking forces thereby shortened braking time, until wheel stops operating, automobile is parked fully, and device is in static, and whole system work is complete.Press reset button before starting next time, and device is kept in the center.
Native system is realized the rear again braking to automobile of automobile brake inefficacy by wheel speed sensors, brake pedal displacement pickup, micro controller system, gear friction clutch and joystick, rack-and-pinion type transmission mechanism, wheel hub friction ring, Bidirectional Conduction mechanism, pressure sensor, platen, warning light, ignition circuit switch and each mechanism fixer.System is take micro controller system as core; by the sensor-based system Information Monitoring; by the pinion friction clutch; utilize simultaneously the rotating speed of driving engine; promoting platen through rack-and-pinion type transmission mechanism is pressed on the wheel hub friction lining with braking; and make automobile can auto shut down after reaching certain braking effect with protection driving engine and transmission device; platen produces friction moment by the back pressure that transmission device returns to the belt pulley friction disc simultaneously; thereby bent axle is carried out the back pressure braking, promoted the entire system braking effect.Innovation is that device is directly also utilizing back pressure to carry out secondary braking in the braking, and not only the effect for braking provides higher assurance, and has reduced the time of more brakings, and parking for automotive safety provides guarantee.Therefore, the key component of this Study system also is the intention part, is to have utilized the back pressure braking technology.
The relative prior art advantage of the utility model:
1, the design of this system is adopted complete intelligent, automatically the characteristics that detect, automatically perform have also shortened the Risk Management time greatly, avoided chaufeur to fail in time to find braking failure and caused serious consequence, the flurried mood in the time of also eliminating chaufeur simultaneously and find braking failure.
2, system fully automatically carries out automobile brake until park, and safety factor is high, good reliability and simple in structure, and cost is relatively low.
3, this system can be used for middle rank and luxury car, also can be used for second-hand vehicle second-hand or that travelled distance is higher, satisfies people to the requirement of safety.
4, its intellectuality is the developing direction of modern society, and under the guiding of auto-industry general orientation, market outlook are wide.
Description of drawings
Fig. 1 is that vehicle intellectualized brake equipment described in the utility model is arranged scheme drawing.
The specific embodiment
1, wheel speed sensors; 2, brake pedal displacement pickup; 3, micro controller system; 4, belt pulley friction disc; 5, gear friction disc; 6, joystick; 7, tooth bar; 8, push rod; 9, sleeve; 10, recoil spring; 11, wheel hub friction ring; 12, Bidirectional Conduction mechanism; 13, pressure sensor; 14, platen; 15, warning light; 16, ignition circuit switch; 17, reset button.
Below in conjunction with example figure the utility model is described further.
This intellectuality brake equipment is intended to design higher the braking of intelligent degree and is in the travel device of middle automobile of braking failure.Whether the monitoring of device by wheel speed sensors (1) and brake pedal displacement pickup (2) is in braking failure to automobile is travelled and makes a determination, if braking failure, micro controller system (3) at first sends instructions to warning light (15) and opens to point out chaufeur with lamp, make subsequently instruction promotion joystick (6) and make belt pulley friction disc (4) and gear friction disc (5) combination, the automobile of this moment is not flame-out, under the drive of engine crankshaft High Rotation Speed, with the belt pulley friction disc (4) of pulley welding also High Rotation Speed always, and by the contact friction moment is delivered to gear friction disc (5), gear friction disc (5) begins rotation thereupon and band carry-over bar (7) is mobile, tooth bar (7) promotes push rod (8), the sleeve (9) and the push rod (8) that cooperate with push rod (8) are equipped with recoil spring (10), be used for cushioning instantaneous impulsive force, sleeve (9) advances to wheel hub rapidly under thrust, after touching platen (14) latter is pressed to wheel hub friction ring (11), this process is pushed push rod (8) recoil spring (10) sleeve (9) to equally platen (14) and is pressed to wheel hub friction ring (11) by Bidirectional Conduction mechanism (12), and this timer just begins brake wheel.Continuation rotation along with bent axle, rack-and-pinion type transmission mechanism continues forward impelling, pressure to the wheel inner wheel hub also raises gradually, when pressure is elevated to a limit, the pressure sensor (13) that is installed between sleeve (9) and the recoil spring (10) sends to micro controller system (3) with data, micro controller system (3) is made a response rapidly and instruction is sent to ignition circuit switch (16), effect is that switch is disconnected, and ignition circuit is opened circuit so that automobile flameout.Automobile after flame-out continues to move ahead under effect of inertia, bent axle continues to drive belt pulley friction disc (4) and rotates, because the pressure of brake wheel inner wheel hub reaches capacity, thereby rack-and-pinion type transmission mechanism can be subject to the back pressure of a brute force this moment, and the gear friction disc (5) that when design selects and belt pulley friction disc (4) are in the rated pressure value of lower maximum friction moment that can produce of joystick (6) pressure less than micro controller system (3) setting, thereby gear friction disc (5) will stop operating, friction disc skids, and because braked by friction moment, bent axle is thereupon braking also.Thrust adds that to the braking of wheel back pressure has formed two brakings to the braking of bent axle.Automobile slowly slows down under two Brakings until stop, and device maintains the original state automobile is parked.Press reset button (17) before starting next time, and micro controller system (3) sends instruction and regains joystick (6) and closes ignition line breaker (16), and device is in Bidirectional Conduction mechanism (12) pull back spring effect Regression original position.
This vehicle intellectualized brake equipment can be obtained more perfect effect in following situation:
1, reduces at first step by step 1 gear after device starts.
2, the new high-tech materials such as the material selection nanometer of gear friction clutch friction disc and wheel hub friction ring, pottery.
3, keep the automobile that is bonded to of power-transfer clutch to stop fully after flame-out, reason is bent axle to be braked need be based upon under driving engine and the dynamic prerequisite that is connected of drive axle when back pressure brake.
Claims (9)
1. vehicle intellectualized brake equipment, comprise wheel speed sensors, the brake pedal displacement pickup, micro controller system, gear friction clutch and joystick, rack-and-pinion type transmission mechanism, the wheel hub friction ring, Bidirectional Conduction mechanism, pressure sensor, platen, warning light, the ignition circuit switch, reset button and each mechanism fixer, it is characterized in that: signal is sent by wheel speed sensors and brake pedal position sensor, master control system is accepted to process and send signal to joystick to make the power-transfer clutch combination, the moment of power-transfer clutch is passed through sun gear shaft driven gear gear rack type driving mechanism with power process push rod, recoil spring and sleeve pass to the platen of wheel, platen carries out heavy braking by the friction lining that compression is installed on the wheel inner wheel hub, and Bidirectional Conduction mechanism copies to the opposite side wheel with effect; After reaching rated pressure, to master control system, accept to process and send signal to solenoid directional control valve and stop working by force by master control system with signal feedback for pressure sensor, continues braking and utilize back pressure that bent axle is carried out the back pressure braking with timer, automobile stops, and braking procedure finishes; When pressing reset button, device restores, in order to reuse.
2. described a kind of vehicle intellectualized brake equipment according to claim 1, it is characterized in that: described central control unit is used for receiving, analyzes and processes the feedback signal of wheel speed sensors, brake pedal position sensor and pressure sensor and export control signal.
3. described a kind of vehicle intellectualized brake equipment according to claim 1, it is characterized in that: described gear friction clutch comprises gear friction disc, belt pulley friction disc, joystick and anchor fitting, its middle belt pulley friction disc is directly with engine belt pulley welding and thereupon rotation, gear friction disc central axis welded gear axle is also fixed with anchor fitting, thereby driven wheel tooth bar formula transmission device, the combination of friction disc relies on joystick, friction disc is the higher friction lining of friction coefficient, so that in conjunction with producing larger friction moment.
4. described a kind of vehicle intellectualized brake equipment according to claim 1, it is characterized in that: described rack-and-pinion type transmission mechanism comprises gear wheel shaft, tooth bar, push rod, recoil spring, sleeve, pressure sensor and the anchor fitting of gear friction disc, thereby the platen that promotes to be installed in the wheel hub inboard is pressed on the wheel hub friction lining, simultaneously with signal feedback to master control system.
5. described a kind of vehicle intellectualized brake equipment according to claim 1, it is characterized in that: the annular friction sheet that described wheel hub friction ring is great friction coefficient, closely stick on the wheel nave inward flange, described platen one side is with the groove of being combined with sleeve, opposite side is installed friction lining, and is fixed on the chassis by being rigidly connected.
6. described a kind of vehicle intellectualized brake equipment according to claim 1, it is characterized in that: described Bidirectional Conduction mechanism comprises central rotating shaft, connecting rod, captive nut, retracing spring, its effect is the rack-and-pinion type transmission mechanism that same movement is delivered to the opposite side wheel, the effect of braking to reach two-wheel, and auto-reset function is arranged.
7. described a kind of vehicle intellectualized brake equipment according to claim 1, it is characterized in that: described ignition circuit switch is attachment means, be installed in the ignition circuit, normal open, switch disconnects and makes circuit breaker behind the signal that receives master control system, to reach the purpose of automobile flameout, after end of braking, this switch can reset by action button.
8. described a kind of vehicle intellectualized brake equipment according to claim 1 is characterized in that: described back pressure braking namely utilizes rack-and-pinion type transmission mechanism that the exert pressure back pressure of rear generation of wheel is produced braking to the gear friction disc, thus the braking bent axle.
9. described a kind of vehicle intellectualized brake equipment according to claim 1; it is characterized in that: take micro controller system as core; by the sensor-based system Information Monitoring; by the pinion friction clutch; utilize simultaneously the rotating speed of driving engine; promoting platen through rack-and-pinion type transmission mechanism is pressed on the wheel hub friction lining with braking; and make automobile can auto shut down after reaching certain braking effect with protection driving engine and transmission device; platen produces friction moment by the back pressure that transmission device returns to the belt pulley friction disc simultaneously; thereby the braking bent axle has promoted the entire system braking effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220109493 CN202641686U (en) | 2012-03-13 | 2012-03-13 | Automobile intelligent brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220109493 CN202641686U (en) | 2012-03-13 | 2012-03-13 | Automobile intelligent brake device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202641686U true CN202641686U (en) | 2013-01-02 |
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ID=47410836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220109493 Expired - Fee Related CN202641686U (en) | 2012-03-13 | 2012-03-13 | Automobile intelligent brake device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202641686U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103612629A (en) * | 2013-11-28 | 2014-03-05 | 长城汽车股份有限公司 | Auxiliary braking reminding device and automobile |
| TWI552891B (en) * | 2014-09-09 | 2016-10-11 | 鴻海精密工業股份有限公司 | Brake and accelerator combined device and vehicle using the same |
| CN112627592A (en) * | 2020-12-22 | 2021-04-09 | 天津砼天建筑工程有限公司 | Structure braced system encorbelments |
-
2012
- 2012-03-13 CN CN 201220109493 patent/CN202641686U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103612629A (en) * | 2013-11-28 | 2014-03-05 | 长城汽车股份有限公司 | Auxiliary braking reminding device and automobile |
| TWI552891B (en) * | 2014-09-09 | 2016-10-11 | 鴻海精密工業股份有限公司 | Brake and accelerator combined device and vehicle using the same |
| CN112627592A (en) * | 2020-12-22 | 2021-04-09 | 天津砼天建筑工程有限公司 | Structure braced system encorbelments |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20150313 |
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| EXPY | Termination of patent right or utility model |