CN1322995C - Automatic warning and braking device for preventing load-carrying vehicle from coasting - Google Patents
Automatic warning and braking device for preventing load-carrying vehicle from coasting Download PDFInfo
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- CN1322995C CN1322995C CNB200410081530XA CN200410081530A CN1322995C CN 1322995 C CN1322995 C CN 1322995C CN B200410081530X A CNB200410081530X A CN B200410081530XA CN 200410081530 A CN200410081530 A CN 200410081530A CN 1322995 C CN1322995 C CN 1322995C
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Abstract
The present invention discloses an automatic alarm braking device for preventing neutral-position sliding of a loaded vehicle, which comprises a rotating-speed sensor of an engine speed, a vehicle-speed sensor and a vehicle-carried computer. The present invention has the improvement that a gear-position sensor is arranged and is connected with the input interface of the vehicle-carried computer, and a signal value of the gear position of the vehicle sensed by the gear-position sensor is input to the vehicle-carried computer; a braking device is arranged and is connected with the output interface of the vehicle-carried computer; the braking device generates braking action according to an electrical signal sent out by the vehicle-carried computer. The device of the present invention can send an alarm signal and prompt a driver to pay attention to or change a running mode so as to hang the vehicle in a proper gear position when the loaded vehicle slides in the neutral position; when the vehicle speed exceeds a set value, the vehicle can automatically control the automatic alarm braking device to reduce the speed and even to stop the vehicle. Thus, the occurrence of a phenomenon of neutral-position sliding can be fundamentally prevented.
Description
Technical field
The present invention relates to a kind of automobile automatic warning and braking device, especially a kind of automatic warning and braking device for preventing load-carrying vehicle from coasting.
Background technology
Bogie is meant automobile or the more passenger vehicle of carrying personnel that is used for bearing goods, and the weight of its bearing goods is heavier or personnel are many.Now, along with a large amount of construction and the use of the improvement of highway road conditions, particularly express highway, the road conditions of road are to become better and better, and the speed of a motor vehicle also is more and more faster; But, traffic safety accident from country's announcement, safety misadventure has taken place on express highway be ascendant trend year by year, and the safety misadventure on express highway often is especially big, great safety traffic accident, cause great personal casualty and property damage.From its reason, most all cause, and wherein the safety misadventure that causes because of the speed of a motor vehicle is too fast of autotruck has accounted for a lot of parts owing to the speed of a motor vehicle is too fast; Autotruck again because of its from great, momentum is big, the safety misadventure that it caused has bigger harmfulness again.The law on road traffic safety rule that China is relevant, regulations etc. all stipulate to forbid chaufeur neutral gear when descending to slide, but in the practical operation, very most of chaufeur does not all have these regulations of observing, when descending, during especially longer descending, the drive manner that all adopts neutral gear to slide; Frequent apply the brakes easily makes the brake thermal fatigue and lost efficacy; Bogie is too fast and be in the state that neutral gear slides, the easier safety misadventure that causes again because of the speed of a motor vehicle; Its reason is a lot, and major cause has that some driveship is not high, neutral gear slides and can save fuel oil etc.
In addition, in the control system of existing automobile, also gradually adopting vehicle-mounted computer (ECU) to help driver safety drives, be called " multifunctional car carrier computer " as name, number of patent application is 00130062.8 Chinese invention patent application documents, another name is called " automotive networking and vehicle-mounted computer ", number of patent application is 01132259.4 Chinese invention patent application documents, and another name is called " method of designing of vehicle-carried computer device and software thereof ", number of patent application is in 00109990.6 the disclosed technical scheme of Chinese invention patent application documents, all mention and adopt vehicle-mounted computer to come automobile is positioned, navigation, lead and exhale, detect, information such as speed of a motor vehicle braking state when collecting running car, Control of Automobile is travelled etc., and reports to the police under abnormal condition.Simultaneously, also adopt computer control in the relevant ABS anti-lock brake device, the computer of its usefulness is also referred to as ECU.But the speed of a motor vehicle that above-mentioned patent application document does not all utilize vehicle-mounted computer to detect automobile when being in neutral gear, and automatic guidance brake gear generation effect when the speed of a motor vehicle surpasses limit value, can not prevent fundamentally that automobile, especially bogie neutral gear from sliding the generation of phenomenon.
Summary of the invention
The present invention is directed to above deficiency of the prior art, provide a kind of anti-neutral gear of bogie that is applicable to slide the device of auto alarm brake.
Technical scheme of the present invention is: automatic warning and braking device for preventing load-carrying vehicle from coasting, and it comprises engine speed sensor, car speed sensor, vehicle-mounted computer, it is characterized in that:
A, on the gear shifting handle of automobile gear position sensor is set, gear position sensor links to each other with the input interface of described vehicle-mounted computer, and the automobile of gear position sensor perception gear signal value of living in is input in the vehicle-mounted computer;
B, brake gear is set links to each other with the output interface of described vehicle-mounted computer, the electric signal that brake gear root pick vehicle-mounted computer sends produces brake;
C, acoustic-optic alarm is set links to each other with the output interface of described vehicle-mounted computer, the electric signal that acoustic-optic alarm sends according to vehicle-mounted computer produces the sound and light alarm action;
D, vehicle-mounted computer judge according to the signal of gear position sensor, car speed sensor input, are in neutral as gear, and the speed of a motor vehicle is when surpassing setting value, and vehicle-mounted computer sends electric signal to acoustic-optic alarm and produces sound and light alarm; When the speed of a motor vehicle surpassed another setting value, vehicle-mounted computer sent electric signal to brake gear and produces brake.
Further feature is: the corresponding relation that the engine speed and the speed of a motor vehicle are set in described vehicle-mounted computer; Vehicle-mounted computer is judged according to the signal of gear position sensor, engine speed sensor, car speed sensor input, be not in neutral as gear, but engine speed is not corresponding with the relation of the speed of a motor vehicle, when the speed of a motor vehicle surpassed setting value, vehicle-mounted computer sent electric signal to acoustic-optic alarm and produces sound and light alarm; When the speed of a motor vehicle surpassed another setting value, vehicle-mounted computer sent electric signal to brake gear and produces brake.
Anti-neutral gear of the present invention slides automatic warning and braking device, can alerting signal just take place when bogie is in neutral gear and slides, reminds chaufeur to note or change the mode of travelling, and automobile is hung in the suitable gear; When the speed of a motor vehicle surpassed setting value, energy automatic guidance brake gear lowered speed, even automobile is stopped, and prevented that fundamentally neutral gear from sliding phenomenon and taking place.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing:
Fig. 1 is the structured flowchart of apparatus of the present invention
Fig. 2 is a kind of example structure sketch of apparatus of the present invention
Fig. 3 is the brake gear and the vehicle-mounted computer connection diagram of apparatus of the present invention
Fig. 4 is apparatus of the present invention workflow diagrams
The specific embodiment
As shown in Figure 1: 1-shift sensor, 2-engine speed sensor, 3-car speed sensor, 5-vehicle-mounted computer, 6-brake gear, 7-acoustic-optic alarm.
Vehicle-mounted computer 5 (ECU) still adopts computer of the prior art, it has basic configuration and normal function, as have mainboard (CPU), memory device, A/D converter etc., have collection and receive data, numeral (signal) conversion, logic operation, judgment processing, send relevant normal function such as instruction and get final product; In addition, in existing anti-lock braking system in automobiles (ABS) technology, vehicle-mounted computer is called ECU again, is actually a microprocessor, be used to detect the also service condition of control brake system, promptly ECU has the function of brake system being carried out " detection " and " control " two aspects.Part as prior art is not further described at this.
Brake gear 6 links to each other with the output interface of acoustic-optic alarm 7 with vehicle-mounted computer 5, and the instruction of sending according to vehicle-mounted computer 5 produces corresponding action.Brake gear 6 can adopt ABS anti-lock brake device of the prior art, can vehicle-mounted computer 5 send instruction back produce brake, the speed of a motor vehicle reduced under (or stop car), reach purpose of the present invention and get final product.Sound and light alarm structure when acoustic-optic alarm 7 can adopt reversing automobile of the prior art can be sent the instruction back at vehicle-mounted computer 5 and produce the sound and light alarm effect, reaches purpose of the present invention and get final product.Simultaneously, consider from the vehicle safety travel angle, send instruction when making brake gear 6 produce brakes, this brake signal should be delivered to the brake indicating lamp of automobile tail equally at vehicle-mounted computer 5, make brake indicating lamp light synchronously, play the effect of brake caution.
As shown in Figure 2,8-compressed air brake cylinder, 9-rapid release valve, 10-relay valve, 11-braking foot valve, the automatic main valve of 12-, 13-air receiver.The brake gear 6 of present embodiment is a four-wheel rear drive Pneumatic braking system, is made up of compressed air brake cylinder 8, rapid release valve 9, relay valve 10, braking foot valve 11, automatic main valve 12, air receiver 13 and corresponding connecting wire and compressed air line; Compressed air brake cylinder 8 is four, is separately positioned on the corresponding brake position of four tires of automobile; Two compressed air brake cylinders 8 of front-wheel are connected with automatic main valve 12 with braking foot valve 11 through rapid release valve 9; Two compressed air brake cylinders 8 of trailing wheel are connected through relay valve 10 and braking foot valve 11 and automatic main valve 12; The inlet end of braking foot valve 11 and automatic main valve 12 links to each other with air receiver 13 (compressed air gas source), the outlet side links to each other with rapid release valve 9 or relay valve 10 respectively, automatically the control end of main valve 12 is communicated with the output interface of vehicle-mounted computer 5, the electric signal that sends by vehicle-mounted computer 5 is controlled the opening and closing of automatic main valve 12, realizes the function of brake.The braking foot valve 11 of present embodiment quite with the foot valve device of existing automobile, when depressing braking foot valve 11, pressurized air in the air receiver 13 just charges in the compressed air brake cylinder 8, produce brake, thereby make in the compressed air brake cylinder 8 or charge into pressurized air or discharge pressurized air or sealing, realize " supercharging ", " decompression " and " maintenance " process of brake-pressure.Automatically main valve 12 just makes the pressurized air in the air receiver 13 just charge in the compressed air brake cylinder 8 behind the unlatching electric signal that vehicle-mounted computer 5 sends, and " point is stopped " automatically prevents that effectively the phenomenon that neutral is travelled from taking place.
As shown in Figure 3,8-compressed air brake cylinder, 9-rapid release valve, 10-relay valve, 11-braking foot valve, the automatic main valve of 12-, 13-air receiver, 14-tire gear ring, 15-wheel speed sensors, 16-brake-pressure controller.
The brake gear of choosing in the present embodiment 6 is four-wheel rear drive Pneumatic braking systems, is the further improvement on the basis of Fig. 2.Wheel speed sensors 15 and compressed air brake cylinder 8 are set on tire gear ring 14, and each compressed air brake cylinder 8 all links to each other with brake-pressure controller 16, and the pressurized air of being controlled brake usefulness by the opening and closing of brake-pressure controller 16 charges into compressed air brake cylinder 8; Compressed-air actuated pipeline is provided with rapid release valve 9, relay valve 10 and braking foot valve 11, is communicated with air receiver 13 through braking foot valve 11, guarantees that whole brake system has enough brake pressurized airs.
Automatic main valve 12 is set, and its inlet end links to each other with air receiver 13 (compressed air gas source), and the compressed-air actuated pipeline before the brake-pressure controller 16 is inserted in the outlet side.Automatically the output interface of the control end of main valve 12 and vehicle-mounted computer 5 is connected, and controls automatic main valve 12 opening and closing by the electric signal that vehicle-mounted computer 5 sends, and the pressurized air in the air receiver 13 is charged in the compressed air brake cylinder 8, realizes the function of brake.
As shown in Figure 4, in actual driving procedure, also have following a kind of typical case: chaufeur can be stepped on power-transfer clutch, and the gear signal that gear position sensor 1 is imported is not a neutral; But the rotation speed change of driving engine is little or basic not to be changed, and the speed of a motor vehicle rises on the contrary gradually, in fact is still neutral gear to slide; The present invention solves by set up a factor of judgment---the corresponding relation of the engine speed and the speed of a motor vehicle in vehicle-mounted computer 5.Particularly: the corresponding relation of in vehicle-mounted computer 5, setting the engine speed and the speed of a motor vehicle earlier, as engine speed at 3000 rev/mins and when above, then the speed of a motor vehicle should be not less than 120 kilometers/time (2 kilometers/minute), as engine speed 2500 rev/mins to 3000 rev/mins the time, then the speed of a motor vehicle should be not less than 100 kilometers/time (1.78 kilometers/minute), as engine speed 2000 rev/mins to 2500 rev/mins the time, then the speed of a motor vehicle should be not less than 80 kilometers/time (1.33 kilometers/minute), as engine speed 1500 rev/mins to 2000 rev/mins the time, then the speed of a motor vehicle should be not less than 60 kilometers/time (1.0 kilometers/minute), as engine speed 1200 rev/mins to 1500 rev/mins the time, then the speed of a motor vehicle should be not less than 40 kilometers/time (0.67 kilometer/minute).Be in corresponding section as engine speed, and the speed of a motor vehicle is when being lower than the corresponding setting value of this section, engine speed is not corresponding with the speed of a motor vehicle, and vehicle-mounted computer 5 will judge that the engine speed of this moment is not corresponding with the relation of the speed of a motor vehicle, still this kind situation is considered as sliding in neutral.Certainly, when the corresponding relation of the actual set engine speed and the speed of a motor vehicle, will consider the different situations of vehicle, the different situations of free air capacity, the correlative factors such as different situations of load-carrying, the engine speed of setting and the corresponding relation of the speed of a motor vehicle are tallied with the actual situation.The engine speed of above-mentioned setting and the corresponding relation of the speed of a motor vehicle only are a kind of situation, should not be considered as limitation of the present invention; During this kind of actual set in vehicle-mounted computer 5 (programming) corresponding relation, have a variety of corresponding relations, those of ordinary skill in the art's root is dug this prompting, in conjunction with different vehicles, all can set the different engine speeds and the corresponding relation of the speed of a motor vehicle.
The report to the police principle of work of brake gear of the present invention: gear position sensor 1 is imported gear signal in the vehicle-mounted computer 5, when vehicle-mounted computer 5 judges that the automobile of this moment is in neutral gear and travels (comprise actual be in that neutral gear slides and slide two kinds of situations in neutral because of not corresponding being regarded as of the engine speed and the relation of the speed of a motor vehicle), vehicle-mounted computer 5 will be judged the numerical value that car speed sensor 3 is imported, relatively, when vehicle-mounted computer 5 is judged these numerical value greater than predefined a certain numerical value wherein, vehicle-mounted computer 5 will send electric signal to acoustic-optic alarm 7, the prompting chaufeur is noted, preferably automobile is hung in the suitable gear and is travelled; When the numerical value of car speed sensor 3 input surpasses predefined a certain bigger numerical, vehicle-mounted computer 5 will send electric signal to brake gear 6, make brake-pressure controller and automatic main valve in the brake gear 6 be in the unlatching situation, pressurized air is charged in the compressed air brake cylinder, the beginning self-actuating brake promptly is " point is stopped ".Also can produce two kinds of results after the brake: a kind of is behind continuous " point is stopped " (ABS-like anti-lock brake device), makes car speed be reduced to the safety value of a certain setting, still has and reminds chaufeur automobile to be hung the effect of travelling in the suitable gear; Another kind through a time period, evenly slows down automobile after being continuously " point is stopped ", as still driving in violation of rules and regulations, will make the speed of a motor vehicle reduce to zero, is about to car and stops automatically, prevents that fundamentally neutral gear from sliding phenomenon and taking place.
Claims (4)
1, automatic warning and braking device for preventing load-carrying vehicle from coasting, it comprises engine speed sensor (2), car speed sensor (3), vehicle-mounted computer (5), it is characterized in that:
A, gear position sensor (1) is set on the gear shifting handle of automobile, gear position sensor (1) links to each other with the input interface of described vehicle-mounted computer (5), and the automobile gear signal value of living in of gear position sensor (1) perception is input in the vehicle-mounted computer (5);
B, brake gear (6) is set links to each other with the output interface of described vehicle-mounted computer (5), brake gear (6) produces brake according to the electric signal that vehicle-mounted computer (5) sends;
C, acoustic-optic alarm (7) is set links to each other with the output interface of described vehicle-mounted computer (5), the electric signal that acoustic-optic alarm (7) sends according to vehicle-mounted computer (5) produces the sound and light alarm action;
D, vehicle-mounted computer (5) judge according to the signal of gear position sensor (1), car speed sensor (3) input, are in neutral as gear, and the speed of a motor vehicle is when surpassing setting value, and vehicle-mounted computer (5) sends electric signal to acoustic-optic alarm (7) and produces sound and light alarm; When the speed of a motor vehicle surpassed another setting value, vehicle-mounted computer (5) sent electric signal to brake gear (6) and produces brake.
2, automatic warning and braking device for preventing load-carrying vehicle from coasting according to claim 1 is characterized in that: the corresponding relation that the engine speed and the speed of a motor vehicle are set in described vehicle-mounted computer (5); Vehicle-mounted computer (5) is judged according to the signal of gear position sensor (1), engine speed sensor (2), car speed sensor (3) input, be not in neutral as gear, but engine speed is not corresponding with the relation of the speed of a motor vehicle, when the speed of a motor vehicle surpassed setting value, vehicle-mounted computer (5) sent electric signal to acoustic-optic alarm (7) and produces sound and light alarm; When the speed of a motor vehicle surpassed another setting value, vehicle-mounted computer (5) sent electric signal to brake gear (6) and produces brake.
3, automatic warning and braking device for preventing load-carrying vehicle from coasting according to claim 1 and 2 is characterized in that: described brake gear (6) is made up of compressed air brake cylinder (8), rapid release valve (9), relay valve (10), braking foot valve (11), automatic main valve (12), air receiver (13) and corresponding connecting wire and compressed air line; The compressed airline of compressed air brake cylinder (8) is connected with automatic main valve (12), and the output interface of the control end of main valve (12) and vehicle-mounted computer (5) is connected automatically; The electric signal that sends by vehicle-mounted computer (5) is controlled the opening and closing of automatic main valve (12), and pressurized air is charged in the compressed air brake cylinder (8).
4, automatic warning and braking device for preventing load-carrying vehicle from coasting according to claim 3, it is characterized in that: on compressed air line, set up brake-pressure controller (16), one end of brake-pressure controller (16) links to each other with compressed air brake cylinder (8), the other end links to each other with automatic main valve (12), the output interface of its control end and vehicle-mounted computer (5) is connected, the opening and closing of the electric signal control brake pressure regulator (16) that sends by vehicle-mounted computer (5) charge in the compressed air brake cylinder (8) pressurized air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200410081530XA CN1322995C (en) | 2004-12-16 | 2004-12-16 | Automatic warning and braking device for preventing load-carrying vehicle from coasting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200410081530XA CN1322995C (en) | 2004-12-16 | 2004-12-16 | Automatic warning and braking device for preventing load-carrying vehicle from coasting |
Publications (2)
| Publication Number | Publication Date |
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| CN1621287A CN1621287A (en) | 2005-06-01 |
| CN1322995C true CN1322995C (en) | 2007-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB200410081530XA Expired - Fee Related CN1322995C (en) | 2004-12-16 | 2004-12-16 | Automatic warning and braking device for preventing load-carrying vehicle from coasting |
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| CN (1) | CN1322995C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101985976A (en) * | 2010-07-23 | 2011-03-16 | 浙江吉利汽车研究院有限公司 | Automobile auxiliary gearshift control system and control method |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101643064B (en) * | 2008-08-04 | 2011-04-27 | 江苏华信达特钢科技有限公司 | Anti-running device and automobile provided with device |
| CN102155537B (en) * | 2011-04-06 | 2013-09-18 | 吉林大学 | Monitoring device of neutral gear sliding for commercial vehicle |
| CN102303594B (en) * | 2011-06-27 | 2014-08-13 | 三一汽车制造有限公司 | System and method for prompting free running at neutral position and vehicle |
| CN104709173A (en) * | 2014-12-29 | 2015-06-17 | 广西师范大学 | Forewarning method for non-conscious vehicle sliding and system |
| CN108621987A (en) * | 2018-04-27 | 2018-10-09 | 无锡伟博汽车科技有限公司 | A kind of automobile neutral position sliding monitoring based reminding method |
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| WO1990013452A1 (en) * | 1989-05-11 | 1990-11-15 | Robert Bosch Gmbh | Detection of engagement of a gear in a vehicle gearbox |
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| US6193333B1 (en) * | 1998-07-02 | 2001-02-27 | Rover Group Limited | Vehicle brake control |
| US6224510B1 (en) * | 1999-05-14 | 2001-05-01 | Mitsubishi Denki Kabushiki Kaisha | Device for controlling the vehicle to travel at a constant speed |
| US6233514B1 (en) * | 1998-08-08 | 2001-05-15 | Wabco Gmbh | Method for controlling the downhill speed of an off-the-road vehicle |
| US6296327B1 (en) * | 1996-08-07 | 2001-10-02 | Continental Teves Ag & Co., Ohg | Braking device |
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2004
- 2004-12-16 CN CNB200410081530XA patent/CN1322995C/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990013452A1 (en) * | 1989-05-11 | 1990-11-15 | Robert Bosch Gmbh | Detection of engagement of a gear in a vehicle gearbox |
| US5979582A (en) * | 1995-06-07 | 1999-11-09 | Ab Volvo | Cruise control for motor vehicles |
| US6296327B1 (en) * | 1996-08-07 | 2001-10-02 | Continental Teves Ag & Co., Ohg | Braking device |
| US6193333B1 (en) * | 1998-07-02 | 2001-02-27 | Rover Group Limited | Vehicle brake control |
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| US6233514B1 (en) * | 1998-08-08 | 2001-05-15 | Wabco Gmbh | Method for controlling the downhill speed of an off-the-road vehicle |
| US6224510B1 (en) * | 1999-05-14 | 2001-05-01 | Mitsubishi Denki Kabushiki Kaisha | Device for controlling the vehicle to travel at a constant speed |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101985976A (en) * | 2010-07-23 | 2011-03-16 | 浙江吉利汽车研究院有限公司 | Automobile auxiliary gearshift control system and control method |
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| CN1621287A (en) | 2005-06-01 |
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