CN202743224U - Automobile automatic braking system - Google Patents
Automobile automatic braking system Download PDFInfo
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- CN202743224U CN202743224U CN 201220411909 CN201220411909U CN202743224U CN 202743224 U CN202743224 U CN 202743224U CN 201220411909 CN201220411909 CN 201220411909 CN 201220411909 U CN201220411909 U CN 201220411909U CN 202743224 U CN202743224 U CN 202743224U
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Abstract
The utility model relates to an automobile automatic braking system. The automobile automatic braking system comprises a motor, a coupler, a transmission shaft, an electromagnetic clutch, a driven shaft, a toothed gear and a toothed bar meshed with the toothed gear, wherein the motor, the coupler, the transmission shaft, the electromagnetic clutch, the driven shaft, the toothed gear and the toothed bar are sequentially connected in coaxial mode, one end of the toothed bar is connected with a connecting rod on a brake pedal, and the other end of the toothed bar is provided with a iron block and opposite to a vacuum booster. The vacuum booster is provided with an electromagnet and a microswitch which are opposite to the iron block, and the motor, the electromagnetic clutch, the electromagnet and the microswitch are connected with a control circuit. The control circuit is used to obtain various sensor signals on an automobile to judge whether to carry out emergency brake or not, if the emergency brake is needed, the control circuit sends out control signals to start the motor and close the electromagnetic clutch, the toothed gear rotates to drive the toothed bar to translate towards the vacuum booster, then the microswitch is triggered, the electromagnet is switched on to absorb the iron block, and therefore effective brake is achieved. The automobile automatic braking system can brake automatically without manual operation when emergency accidents happen, and therefore traffic accidents caused by untimely reaction and misoperation of an accelerator pedal by a driver can be avoided effectively.
Description
Technical field
The utility model belongs to the vehicle safety travel technical field, relates in particular to a kind of automobile automatic brake system.
Background technology
In vehicle traveling process, the traffic accident that is caused by chaufeur self state of mind is in the great majority, and has little time reaction in the situation that chaufeur needs to brake through being everlasting, and brings about frightful disaster.In addition, because brake pedal and Das Gaspedal generally all are positioned at the right crus of diaphragm limit of chaufeur on the automobile, when facing emergency situation, chaufeur is easy to cause maloperation because of Bewu βtseinstrubung, Das Gaspedal is used as brake pedal mistakenly tramples, so that pernicious traffic accident occurs again and again.Therefore, if a kind of device that in case of emergency can automatically control braking automobile is arranged, will greatly reduce the generation of traffic accident, to improving China's automobile active safety technology and promoting the development of China's arteries of communication to be of great significance.
Summary of the invention
The utility model mainly solves original braking automobile needs the chaufeur pin pedal that touches on the brake to control, easily occur because chaufeur self state of mind has little time to control the traffic accident of brake, also easily occur because chaufeur Bewu βtseinstrubung and Das Gaspedal is used as mistakenly the technical matters of the traffic accident that brake pedal tramples; A kind of automobile automatic brake system is provided, it occurs under the urgent distress situation in running car, do not need chaufeur to trample brake pedal, can automatically send brake signal makes vacuum booster carry out brake operating, thereby realize need not manual operation and just can allow automobile automatic brake, reaction is fast, and control reliably, avoid chaufeur to have little time to react and the generation of misoperation accelerator pedal phenomenon, greatly reduce the generation of traffic accident.
Above-mentioned technical matters of the present utility model is mainly solved by following technical proposals: the utility model comprises successively coaxial continuous electrical motor, coupler, transmission shaft, magnetic clutch, driven shaft and gear and the tooth bar that meshes with gear, pipe link on one end of tooth bar and the brake pedal of automobile links to each other, the other end of tooth bar is relative with the vacuum booster of automobile, and tooth bar is provided with an iron block towards this end of vacuum booster, described vacuum booster is provided with electromagnet and micro-switch towards the end face of tooth bar, the position of electromagnet and micro-switch is corresponding with described iron block, described electrical motor, magnetic clutch, electromagnet and micro-switch link to each other with a control circuit respectively.Obtained by control circuit that various sensor signals need to judge whether emergency brake on the automobile, when the needs emergency brake, control circuit sends control signal actuating motor and closed electromagnetic power-transfer clutch, by transmission shaft, the rotation of driven shaft driven gear, the gear driven tooth bar is realized initially braking to the vacuum booster translation.Tooth bar continues reach, the touching micro-switch, and the micro-switch action makes electrical motor and magnetic clutch dead electricity and electromagnet gets electricly, and electromagnet gets electric generation suction and holds iron block, and tooth bar is held, and vacuum booster keeps mode of operation that braking is effectively carried out.In the time of can removing brake signal, control circuit sends control signal and makes the electromagnet dead electricity and lose suction, and tooth bar rebounds, and micro-switch resets, and automobile is got back to normal motoring condition.Therefore, in running car, occur under the urgent distress situation, do not need chaufeur to trample brake pedal, automobile automatic brake system can send brake signal automatically makes vacuum booster carry out brake operating, thereby realize need not manual operation and just can allow automobile automatic brake, reaction is fast, and control reliably, avoid chaufeur to have little time to react and the generation of misoperation accelerator pedal phenomenon, greatly reduce the generation of traffic accident.
As preferably, described automobile automatic brake system comprises a push rod, and an end of the pipe link on the brake pedal of described automobile and push rod links to each other, and the other end of push rod is towards described micro-switch, and described rack tube is located on the described push rod.The translation of rack drives push rod, push rod is touched first micro-switch, makes the micro-switch action, the capable generation suction of electromagnet, electromagnet holds iron block.Push rod is connected connection with the brake pedal upper connecting rod convenient, need not change the connection structure of brake pedal on the original automobile, loads onto with the tooth bar of iron block just, realizes convenient.
As preferably, described transmission shaft is provided with main bearing seat, and described driven shaft is provided with from bearing seat.Make the rotation of motor drives transmission shaft, driven shaft more smooth and easy, main bearing seat, play again supporting role from bearing seat, install more firm.
As preferably, described electromagnet is coiled electrical magnet.Improve electromagnet and can hold better iron block, improve the self-actuating brake effect.
As preferably, described control circuit comprises central processing unit and electronic switch, radar ranging sensor on the automobile, the mouth of acceleration pick-up and car speed sensor links to each other with the input end of central processing unit respectively, the mouth of central processing unit links to each other with the control end of electronic switch, electronic switch and described motor in series, one end of this circuit series and the first contact of described micro-switch link to each other, the other end of this circuit series links to each other through the common of a direct current power supply and micro-switch, one end of described electromagnet and the second contact of micro-switch link to each other, the other end of electromagnet is through electronic switch, the common of direct supply and micro-switch links to each other, and described magnetic clutch and electrical motor are in parallel.The initial condition of micro-switch is the first contact and common on-state.After micro-switch was touched, the second contact and common were connected.Electronic switch can adopt relay or aerotron.Central processing unit Comprehensive Radar distance measuring sensor, acceleration pick-up and car speed sensor are carried the information of coming, analyze, process and judgement, if detect the vehicle front obstacle within the running car critical safe distance and/or capture the action of mis-accelerator pressing, then send immediately control signal and make electronic switch closes, then actuating motor and closed electromagnetic power-transfer clutch, tooth bar is shifted to vacuum booster, behind the touching micro-switch, connect the second contact and the common of micro-switch, electromagnet gets electric generation suction and holds tooth bar, vacuum booster keeps mode of operation, finishes braking.When needing to remove the emergency brake signal, central processing unit is sent control signal disconnects electronic switch, electromagnet dead electricity and lose suction, the tooth bar resilience, the first contact of micro-switch and common are connected, electrical motor, magnetic clutch and electromagnet all are in power failure state at this moment, and automobile is got back to normal motoring condition.
The beneficial effects of the utility model are: whether be in urgent distress situation by control circuit automatic discrimination automobile, in case find that automobile is in urgent distress situation, then can automatically send the brake signal driving motor, the driven gear rotation, by the translation of gear driven tooth bar, make vacuum booster carry out brake operating, thereby realizing need not chaufeur tramples brake pedal and just can allow automobile automatic brake, reaction is fast, control is reliable, avoid chaufeur to have little time to react and the generation of misoperation accelerator pedal phenomenon, greatly reduce the generation of traffic accident, improve the vehicle active safety energy.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is a kind of schematic block circuit diagram of control circuit in the utility model.
1. electrical motors among the figure, 2. coupler, 3. transmission shaft, 4. magnetic clutch, 5. driven shaft, 6. gear, 7. tooth bar, 8. brake pedal, 9. pipe link, 10. vacuum booster, 11. iron blocks, 12. electromagnet, 13. micro-switch, 14. push rods, 15. main bearing seats, 16. from bearing seat, 17. central processing unit, 18. electronic switchs, 19. radar ranging sensors, 20. acceleration pick-up, 21. car speed sensors, 22. direct supplys.
The specific embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: a kind of automobile automatic brake system of the present embodiment, as shown in Figure 1, comprise successively coaxial continuous electrical motor 1, coupler 2, transmission shaft 3, magnetic clutch 4, driven shaft 5 and gear 6 and the tooth bar 7 that meshes with gear 6, be installed with a push rod 14 in the middle of the tooth bar 7, push rod and tooth bar are affixed, the two ends of transmission shaft 3 respectively are equipped with a main bearing seat 15, the two ends of driven shaft 5 respectively are equipped with one from bearing seat 16, pipe link 9 on one end of push rod 14 and the brake pedal 8 of automobile links to each other, the other end of push rod 14 is relative with the vacuum booster of automobile 10, tooth bar 7 has an iron block 11 on an end of vacuum booster 10, vacuum booster 10 is equipped with an electromagnet 12 and a micro-switch 13 on the end face of tooth bar 7, in the present embodiment, electromagnet 12 is coiled electrical magnet, the position of micro-switch is relative with the termination of push rod, and the position of electromagnet is relative with iron block, electrical motor 1, magnetic clutch 4, electromagnet 12 and micro-switch 13 link to each other with a control circuit respectively.As shown in Figure 2, control circuit comprises central processing unit 17 and electronic switch 18, radar ranging sensor 19 on the automobile, the mouth of acceleration pick-up 20 and car speed sensor 21 links to each other with the input end of central processing unit 17 respectively, the mouth of central processing unit 17 links to each other with the control end of electronic switch 18, the first contact a of one end of electrical motor 1 and micro-switch 13 links to each other, the other end of electrical motor is through electronic switch 18, direct supply 22 links to each other with the common c of micro-switch 13, the second contact b of one end of electromagnet 12 and micro-switch 13 links to each other, the other end of electromagnet 12 links to each other with the point of connection of electrical motor and electronic switch, magnetic clutch 4 and electrical motor 1 parallel connection.The initial condition of micro-switch 13 is the first contact a and common c on-state.
Working process:
1. by the radar ranging sensor, acceleration pick-up and car speed sensor obtain the obstacle information of vehicle front and whether the action message of mis-accelerator pressing are arranged, the information conveyance of obtaining is to central processing unit, analysis through central processing unit, process and judgement, if detect the vehicle front obstacle within the running car critical safe distance or capture the action of mis-accelerator pressing, then being judged as needs emergency brake, central processing unit is sent control signal immediately to the control end of electronic switch, make electronic switch closes, then actuating motor and closed electromagnetic power-transfer clutch, drive transmission shaft, driven shaft and gear rotation, the gear driven tooth bar is to the vacuum booster translation, make vacuum booster work, realize initially braking;
2. tooth bar continues to the vacuum booster translation, push rod touches micro-switch, the micro-switch action, this moment, common c and the second contact b of micro-switch connected, and the first contact a separates with common c, therefore electrical motor stall and magnetic clutch separate, electromagnet gets electric generation gravitation and holds iron block simultaneously, tooth bar is tightly held, make vacuum booster keep mode of operation, guarantee to brake and effectively carry out;
3. when central processing unit is judged automobile and is in non-dangerous motoring condition and need to removes the emergency brake order, send control signal to the control end of electronic switch, electronic switch is disconnected, electromagnet dead electricity and losing magnetism then, tooth bar rebounds, and push rod is return, micro-switch resets, the common c and the first contact a that are micro-switch connect, and electrical motor, magnetic clutch and electromagnet all are in power failure state at this moment, and automobile can normally travel.
Process the rational driving of foundation criticality safety vehicle headway model in the list in central authorities.Speed measuring and calculating driving criticality safety vehicle headway according to this distance model and automobile, when the radar ranging sensor detects obstacle distance with vehicle front less than critical running distance, or misoperation accelerator pedal when action arranged, be judged as the situation that needs emergency brake, central processing unit is sent brake signal.The utility model adopts millimeter wave radar distance measuring sensor probe vehicle the place ahead obstacle distance, two probes of radar ranging sensor are installed in automotive front, the main body of Hall element is fixed on the Automotive transmission output shaft, as the car speed sensor measured automobiles speed of a motor vehicle, acceleration pick-up is installed in the Das Gaspedal somewhere, obtain the signal (in case of emergency, chaufeur trample the acceleration/accel of Das Gaspedal can be more much larger than acceleration/accel generally speaking) of driver fault misstepping on accelerator pedal.
Therefore, after automobile uses the utility model, occuring in running car does not need chaufeur to trample brake pedal under the urgent distress situation, can automatically send brake signal by control circuit and make vacuum booster carry out brake operating, thereby realize need not manual operation and just can allow automobile automatic brake, reaction is fast, and control is reliable, avoids chaufeur to have little time to react and the generation of misoperation accelerator pedal phenomenon, greatly reduce the generation of traffic accident, improve the vehicle active safety energy.
Claims (5)
1. automobile automatic brake system, it is characterized in that comprising successively coaxial continuous electrical motor (1), coupler (2), transmission shaft (3), magnetic clutch (4), the tooth bar (7) that driven shaft (5) and gear (6) reach and gear (6) meshes, pipe link (9) on the brake pedal (8) of one end of tooth bar (7) and automobile links to each other, the vacuum booster (10) of the other end of tooth bar (7) and automobile is relative, and tooth bar (7) is provided with an iron block (11) towards this end of vacuum booster (10), described vacuum booster (10) is provided with electromagnet (12) and micro-switch (13) towards the end face of tooth bar (7), the position of electromagnet (12) and micro-switch (13) is corresponding with described iron block (11), described electrical motor (1), magnetic clutch (4), electromagnet (12) and micro-switch (13) link to each other with a control circuit respectively.
2. a kind of automobile automatic brake system according to claim 1, it is characterized in that comprising a push rod (14), pipe link (9) on the brake pedal of described automobile (8) links to each other with an end of push rod (14), the other end of push rod (14) is towards described micro-switch (13), and described tooth bar (7) is set on the described push rod (14).
3. a kind of automobile automatic brake system according to claim 1 is characterized in that described transmission shaft (3) is provided with main bearing seat (15), and described driven shaft (5) is provided with from bearing seat (16).
4. according to claim 1 and 2 or 3 described a kind of automobile automatic brake systems, it is characterized in that described electromagnet (12) is coiled electrical magnet.
5. according to claim 1 and 2 or 3 described a kind of automobile automatic brake systems, it is characterized in that described control circuit comprises central processing unit (17) and electronic switch (18), radar ranging sensor (19) on the automobile, the mouth of acceleration pick-up (20) and car speed sensor (21) links to each other with the input end of central processing unit (17) respectively, the mouth of central processing unit (17) links to each other with the control end of electronic switch (18), electronic switch (18) and described electrical motor (1) series connection, one end of this circuit series links to each other with the first contact of described micro-switch (13), the other end of this circuit series links to each other through the common of a direct current power supply (22) and micro-switch (13), one end of described electromagnet (12) links to each other with the second contact of micro-switch (13), the other end of electromagnet (12) is through electronic switch (18), direct supply (22) links to each other with the common of micro-switch (13), described magnetic clutch (4) and electrical motor (1) parallel connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220411909 CN202743224U (en) | 2012-08-20 | 2012-08-20 | Automobile automatic braking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220411909 CN202743224U (en) | 2012-08-20 | 2012-08-20 | Automobile automatic braking system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202743224U true CN202743224U (en) | 2013-02-20 |
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ID=47702662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220411909 Expired - Fee Related CN202743224U (en) | 2012-08-20 | 2012-08-20 | Automobile automatic braking system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202743224U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102826078A (en) * | 2012-08-20 | 2012-12-19 | 浙江经济职业技术学院 | Automobile automatic braking system and control method thereof |
| CN104527521A (en) * | 2014-12-26 | 2015-04-22 | 贵州大学 | Automobile intelligent anti-collision auxiliary braking method and system |
| CN109131640A (en) * | 2018-10-16 | 2019-01-04 | 深圳市今天国际智能机器人有限公司 | Omnidirectional's steering wheel |
| TWI663086B (en) * | 2018-06-20 | 2019-06-21 | 宏碁股份有限公司 | Braking system for autonomous car and setting method thereof |
-
2012
- 2012-08-20 CN CN 201220411909 patent/CN202743224U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102826078A (en) * | 2012-08-20 | 2012-12-19 | 浙江经济职业技术学院 | Automobile automatic braking system and control method thereof |
| CN104527521A (en) * | 2014-12-26 | 2015-04-22 | 贵州大学 | Automobile intelligent anti-collision auxiliary braking method and system |
| TWI663086B (en) * | 2018-06-20 | 2019-06-21 | 宏碁股份有限公司 | Braking system for autonomous car and setting method thereof |
| CN109131640A (en) * | 2018-10-16 | 2019-01-04 | 深圳市今天国际智能机器人有限公司 | Omnidirectional's steering wheel |
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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: 20130220 Termination date: 20150820 |
|
| EXPY | Termination of patent right or utility model |