CN103507792A - Emergency braking device capable of automatically changing motor vehicle tire pressure and method thereof - Google Patents
Emergency braking device capable of automatically changing motor vehicle tire pressure and method thereof Download PDFInfo
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- CN103507792A CN103507792A CN201310502125.XA CN201310502125A CN103507792A CN 103507792 A CN103507792 A CN 103507792A CN 201310502125 A CN201310502125 A CN 201310502125A CN 103507792 A CN103507792 A CN 103507792A
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Abstract
An emergency braking device capable of automatically changing the motor vehicle tire pressure comprises a microprocessor connected with an LCD, wherein the microprocessor is connected with a speed sensor; a displacement sensor mounted on a brake pedal is connected with the microprocessor; the microprocessor is connected with a wireless transmitter through a wireless receiver; the wireless transmitter is connected with a tire pressure detection device arranged on a wheel hub; the control terminal of the microprocessor is connected with an electromagnetic valve through a tire control device; the wireless receiver is connected with the signal receiving end of the microcontroller. The microprocessor is used for judging whether the emergency braking is performed according to a received signal being 1 or 0, the tire control device is used for sending out the command of reducing the tire pressure to the electromagnetic valve simultaneously, the tire pressure of rear two tires is reduced firstly, and then the tire pressure of the front two tires is reduced, so that a vehicle can slow down and stop steadily and quickly; the emergency braking device has the characteristics of quick braking and excellent braking effect.
Description
Technical field
The present invention relates to automobile emergency brake technical field, be specifically related to a kind of emergency braking apparatus and method thereof of automatic change self-propelled vehicle tire pressure.
Background technology
Along with the development of automobile brake technology, the snap catch of automobile has great importance to reducing traffic accident.The General Principle of brake system is, utilizes phase mutual friction between the connected rotating element of the non-rotating element that is connected with vehicle body and wheel to stop the rotation of wheel.When automobile runs into emergency situation and the speed of a motor vehicle when higher, can not stop fast, thereby cause rear-end collision even to go out highway, this bring serious harm will to people's lives and properties.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the emergency braking apparatus and the method thereof that the object of this invention is to provide a kind of automatic change self-propelled vehicle tire pressure, to make up in some defects that in emergency circumstances brake system can not be braked rapidly, have and have snap catch, the feature of good braking effect.
To achieve these goals, the technical solution used in the present invention is: a kind of emergency braking apparatus of automatic change self-propelled vehicle tire pressure, include the microprocessor being connected with LCD display, microprocessor is connected with speed sensor, the displacement pickup that is arranged on brake pedal place is connected with microprocessor, microprocessor is connected with radio transmitters by wireless receiver, radio transmitters is connected with the tire pressure detecting device being located on wheel hub, microprocessor control end is connected with electromagnetic valve by tire control setup, and wireless receiver is connected with the signal receiving end of microcontroller; Electromagnetic valve and microgenerator are arranged on wheel hub.
Described tire control setup is arranged on tire top, and tire control setup is controlled electromagnetic valve.
Described electromagnetic valve is exitted by sending the switching of electromagnetic pulse signal control tire by tire control setup to electromagnetic valve.
Described microprocessor is connected by wireless receiving module with tire pressure detecting device, detects tire pressure constantly; Microprocessor is connected with LCD display, shows tire pressure.
Described LCD display is arranged on operator's compartment, so that chaufeur is checked tire pressure at any time.
Described tire pressure detecting device and electromagnetic valve are by rechargeable battery powered; Microgenerator charges to rechargeable battery.
Described tire pressure detecting device is transferred to wireless receiver by tire pressure value signal by radio transmitters, and wireless receiver is transferred to microprocessor by tire pressure value signal again.
An emergency braking method for change self-propelled vehicle tire pressure, is characterized in that, comprises the following steps:
1) speed sensor, the displacement pickup being connected with microprocessor is set on car body, electromagnetic valve and tire pressure detecting device are set on wheel nave, electromagnetic valve, tire pressure detecting device are connected with microgenerator, tire pressure detecting device passes through radio transmitters, wireless receiver and microprocessor wireless telecommunications, and debugs;
2) position signal that speed sensor and displacement pickup are stepped on the speed of a motor vehicle detecting, braking vane sends to microprocessor, by microprocessor, the displacement signal of the speed signal receiving and braking vane is judged whether to change tire pressure and brakes rapidly;
If the speed of a motor vehicle is greater than setting value, microprocessor receives signals is 1, if the speed of a motor vehicle is less than setting value, it is 0 that microprocessor receives signal; When brake, if recording the displacement of braking vane, displacement pickup is greater than setting value, the signal that microprocessor is received is 1, if be less than this value, the signal that microprocessor is received is 0;
3) speed signal of receiving when microprocessor and the displacement signal of braking vane are all 1, judgement is emergency brake, now microprocessor is just sent and opens the order that reduces tire pressure to electromagnetic valve by tire control setup, first reduce the tire pressure of latter two tire, reduce again the tire pressure of the first two tire, make automobile balance slow down and stop rapidly.
Advantage of the present invention: automatic inflatable device of air is arranged on wheel hub, Negotiation speed sensor and displacement pickup detect automobile constantly whether in emergency brake state, if emergency brake, microcontroller sends the order that reduces tire pressure to tire control setup, reduce the tire pressure of latter two tire simultaneously, after postponing the shorter time, reduce again the tire pressure of the first two tire to identical value simultaneously, automobile is stopped rapidly.When tire pressure is during lower than certain value, the order that microcontroller tire control setup sends valve-off.
Accompanying drawing explanation
Fig. 1 is hardware system schematic diagram of the present invention.
Fig. 2 is workflow diagram of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
Referring to Fig. 1, a kind of emergency braking apparatus of automatic change self-propelled vehicle tire pressure, it is characterized in that, include the microprocessor 1 being connected with LCD display, microprocessor 1 is connected with speed sensor 2, the displacement pickup 3 that is arranged on brake pedal place is connected with microprocessor 1, microprocessor 1 is connected with radio transmitters 8 by wireless receiver 9, radio transmitters 8 is connected with the tire pressure detecting device 4 being located on wheel hub, microprocessor 1 control end is connected with electromagnetic valve 7 by tire control setup 5, and wireless receiver 9 is connected with the signal receiving end of microcontroller 1; Electromagnetic valve 7 and microgenerator 10 are arranged on wheel hub.
Described speed sensor 2, displacement pickup 3, tire pressure detecting device 4 are transferred to microprocessor 1 the position of the speed of a motor vehicle detecting, braking vane, pressure of tire by wired mode respectively.
Described tire pressure detecting device 4 is transferred to wireless receiver 9 by tire pressure value signal by radio transmitters 8, and wireless receiver 9 is transferred to microprocessor 1 by tire pressure value signal again.
Described electromagnetic valve 7 is exitted by sending the switching of electromagnetic pulse signal control tire by tire control setup 5 to electromagnetic valve.
Described LCD display is arranged on operator's compartment, so that chaufeur is checked tire pressure at any time.
Described microcontroller 1 is according to the speed signal receiving and the displacement signal of braking vane, judging whether to occur emergency episode need to reduce tire pressure and carry out emergency braking, if needed, first to latter two tire control setup of vehicle, send electromagnetic valve and open order, after of short duration time delay, to vehicle the first two tire control setup, send electromagnetic valve again and open order.
Described tire pressure detecting device 4 constantly detects tire pressure, if in deflation course, tire pressure is during lower than setting value, and microcontroller 1 sends venting and ceases and desist order, valve closing.
Described tire control setup 5 sends according to the order receiving the opening and closing that electromagnetic signal is controlled electromagnetic valve 7.
Described tire pressure detecting device 4 and electromagnetic valve 7 are by rechargeable battery powered; Microgenerator 10 charges to rechargeable battery.
Referring to Fig. 2, workflow of the present invention is as follows: automobile drives off in normal row, and for example, if the speed of a motor vehicle is greater than setting value (100Km/h), microprocessor receives signals is 1, if the speed of a motor vehicle is less than setting value, it is 0 that microprocessor receives signal.When brake, if recording the displacement of braking vane, displacement pickup is greater than setting value (for example 15cm), the signal that microprocessor is received is 1, if be less than this value, the signal that microprocessor is received is 0.Only have the microprocessor of working as to receive that signal is all 1, judgement is emergency brake, now just to tire control setup, sends and opens the order that reduces tire pressure to electromagnetic valve simultaneously, first reduces the tire pressure of latter two tire, reduce again the tire pressure of the first two tire, make automobile balance slow down and stop rapidly.
Claims (7)
1. an emergency braking apparatus that automatically changes self-propelled vehicle tire pressure, it is characterized in that, include the microprocessor (1) being connected with LCD display, microprocessor (1) is connected with speed sensor (2), the displacement pickup (3) that is arranged on brake pedal place is connected with microprocessor (1), microprocessor (1) is connected with wireless receiver (9), radio transmitters (8) is connected with the tire pressure detecting device (4) being located on wheel hub, microprocessor (1) control end is connected with electromagnetic valve (7) by tire control setup (5), wireless receiver (9) is connected with the signal receiving end of microcontroller (1), electromagnetic valve (7) and microgenerator (10) are arranged on wheel hub.
2. the emergency braking apparatus of a kind of automatic change self-propelled vehicle tire pressure according to claim 1, is characterized in that, described tire control setup 5 is arranged on tire top, and tire control setup (5) is controlled electromagnetic valve (7).
3. the emergency braking apparatus of a kind of automatic change self-propelled vehicle tire pressure according to claim 1, is characterized in that, described electromagnetic valve (7) is exitted by sending the switching of electromagnetic pulse signal control tire by tire control setup 5 to electromagnetic valve.
4. the emergency braking apparatus of a kind of automatic change self-propelled vehicle tire pressure according to claim 1, is characterized in that, described microprocessor (1) is connected with tire pressure detecting device (4) by wireless receiving module (9), detects tire pressure constantly; Microprocessor (1) is connected with LCD display (6), shows tire pressure.
5. the emergency braking apparatus of a kind of automatic change self-propelled vehicle tire pressure according to claim 1, is characterized in that, described LCD display is arranged on operator's compartment.
6. the emergency braking apparatus of a kind of automatic change self-propelled vehicle tire pressure according to claim 1, is characterized in that, described tire pressure detecting device (4) and electromagnetic valve (7) are by rechargeable battery powered; Microgenerator (10) charges to rechargeable battery.
7. automatically change a method for the emergency braking of self-propelled vehicle tire pressure, it is characterized in that, comprise the following steps:
1) speed sensor, the displacement pickup being connected with microprocessor is set on car body, electromagnetic valve and tire pressure detecting device are set on wheel nave, electromagnetic valve, tire pressure detecting device are connected with microgenerator, tire pressure detecting device passes through radio transmitters, wireless receiver and microprocessor wireless telecommunications, and debugs;
2) speed sensor and displacement pickup, by detecting to such an extent that the speed of a motor vehicle, the braking vane position signal of stepping on sends to microprocessor, judge whether to change tire pressure by microprocessor to the displacement signal of the speed signal receiving and braking vane and brake rapidly;
If the speed of a motor vehicle is greater than setting value, microprocessor receives signals is 1, if the speed of a motor vehicle is less than setting value, it is 0 that microprocessor receives signal; When brake, if recording the displacement of braking vane, displacement pickup is greater than setting value, the signal that microprocessor is received is 1, if be less than this value, the signal that microprocessor is received is 0;
3) speed signal of receiving when microprocessor and the displacement signal of braking vane are all 1, judgement is emergency brake, now microprocessor is just sent and opens the order that reduces tire pressure to electromagnetic valve by tire control setup, first reduce the tire pressure of latter two tire, reduce again the tire pressure of the first two tire, make automobile balance slow down and stop rapidly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310502125.XA CN103507792A (en) | 2013-10-23 | 2013-10-23 | Emergency braking device capable of automatically changing motor vehicle tire pressure and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310502125.XA CN103507792A (en) | 2013-10-23 | 2013-10-23 | Emergency braking device capable of automatically changing motor vehicle tire pressure and method thereof |
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| CN103507792A true CN103507792A (en) | 2014-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310502125.XA Pending CN103507792A (en) | 2013-10-23 | 2013-10-23 | Emergency braking device capable of automatically changing motor vehicle tire pressure and method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103770582A (en) * | 2014-01-24 | 2014-05-07 | 陕西科技大学 | Device and method for quickly deflating tire of automobile |
| CN106515310A (en) * | 2016-12-03 | 2017-03-22 | 东莞市皓奇企业管理服务有限公司 | Intelligent network anti-leak tire device |
| CN107512141A (en) * | 2017-08-31 | 2017-12-26 | 上海航盛实业有限公司 | A kind of system for detecting tire pressure |
| CN110053430A (en) * | 2018-01-18 | 2019-07-26 | 郑州宇通客车股份有限公司 | Tire pressure control method and tire deflation system charge, vehicle |
| WO2023284335A1 (en) * | 2021-07-14 | 2023-01-19 | 华为技术有限公司 | Valve, tire pressure adjustment method, and tire pressure adjustment apparatus |
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| US6290019B1 (en) * | 2000-04-18 | 2001-09-18 | Trw Inc. | System and method for vehicle side rollover aversion |
| DE10246180B4 (en) * | 2002-10-02 | 2004-09-16 | Hepp, Rainer, Dr. | Motor vehicle safety device with control of a tire pressure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103770582A (en) * | 2014-01-24 | 2014-05-07 | 陕西科技大学 | Device and method for quickly deflating tire of automobile |
| CN106515310A (en) * | 2016-12-03 | 2017-03-22 | 东莞市皓奇企业管理服务有限公司 | Intelligent network anti-leak tire device |
| CN107512141A (en) * | 2017-08-31 | 2017-12-26 | 上海航盛实业有限公司 | A kind of system for detecting tire pressure |
| CN110053430A (en) * | 2018-01-18 | 2019-07-26 | 郑州宇通客车股份有限公司 | Tire pressure control method and tire deflation system charge, vehicle |
| WO2023284335A1 (en) * | 2021-07-14 | 2023-01-19 | 华为技术有限公司 | Valve, tire pressure adjustment method, and tire pressure adjustment apparatus |
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Application publication date: 20140115 |