CN102529606A

CN102529606A - Intelligent safety system for tyres

Info

Publication number: CN102529606A
Application number: CN2010106078783A
Authority: CN
Inventors: 陈耕田
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-12-28
Filing date: 2010-12-28
Publication date: 2012-07-04

Abstract

An intelligent safety system for tyres is disclosed, which has the functions of underpressure alarm, overpressure explosion prevention, tyre replacement and location and deflation speed identification. The intelligent safety system for tyres is characterized the system comprises a tyre pressure detection and transmission part, an information receiving and early warning part and an automatic explosion prevention part, wherein the first part comprises a power supply E1, a pressure switch K, a pressure transmitter H, voltage division circuits R1, R2 and R3, comparers IC1 and IC2, a signal emission circuit F and a switch VT; the second part comprises a power supply E2, a signal receiving circuit J, a single chip IC3, a liquid crystal display screen LCD, function keys K1 to Kn, a voice device BL, an emergency early warning indication lamp LED (light-emitting diode) and auxiliary components; and the third part comprises a valve housing (1), a valve cap (2), a core bar (4), a core cap (5), a core body (6), an exhaust spring (7), a sealing ring (8), a valve seat (9), a sealing gasket (10), an intake spring (11) and an exhaust valve body (12).

Description

The intelligent safety system of tire

Technical field: the present invention relates to a kind of vehicle tyre safety system, the intelligentized safety system of especially a kind of tire

Background technology: because of tyre underpressure and the traffic accident of blowing out and causing; Life and property to people have caused serious threat; Successively there is the product of a lot of tire active safetys aspect to occur with technology for this reason; But all exist many deficiencies, can only prevent to blow out, can not report to the police under-voltage like explosion-proof air valve, anti-explosion air valve, explosion-proof air valve cap; TPMS tire pressure automated monitoring system can only be reported to the police to under-voltage, does not have the runflat function, loses heart slowly or loses heart soon even undervoltage warning can not be distinguished; Also can't carry out identification positioning to the tire of changing; Be continuous detection of transmitted signals in addition, be shorter than the tenure of use of automobile regulation the service life of battery, can't change battery again; Can only change assembly, cause cost to increase.

Summary of the invention: in order to address the above problem, the invention provides the intelligent safety system of a kind of tire, this system can not only report to the police to under-voltage; Can also get rid of over-pressure gas automatically, prevent to blow out, when undervoltage warning, can also discern and lose heart slowly or lose heart soon; So that remind chaufeur in time to take corresponding measure, when changing of tire, the tire location changed and the demonstration of numbering are adjusted synchronously; With convenient identification; Its power supply service life, beneficial effect of the present invention was: can prevent thoroughly that the traffic accident that tire causes from taking place, and protects the safety of personnel and property conscientiously far above the tenure of use of automobile itself.

Realize that the technical scheme that foregoing invention is taked is characterised in that: form by the transmission of tire pressure detection signal, signal reception early warning, automatic burst-preventing three parts; Wherein tire pressure detection signal transporting part is by power supply E1, pressure switch K, pressure transformer H; Bleeder circuit R1; R2, R3, comparator IC1, IC2, signal transmission circuit F, switch VT form; The both positive and negative polarity of power supply is connected with the both positive and negative polarity of corresponding components and parts respectively; K switch is serially connected in the mouth of power supply E, and the output of bleeder circuit R1, R2 is connected with "+" pin of comparator IC1, IC2 respectively, and the analog output of pressure transformer H is connected with the IC1 of comparator, "-" pin of IC2 respectively; The digital output end of H is connected with the input end of signal transmission circuit F; The mouth of F is through a switch VT and a day wire joint, and the output of comparator IC1, IC2 is connected with the control utmost point of VT, and whole components and parts insulation-encapsulated also firmly are connected with tire tube valve; Wherein the window of K switch and pressure transformer H is exposed, and antenna is connected with tire tube valve shell or wheel hub;

Signal receive the early warning part by power supply E2, signal receiving circuit J, micro controller system IC3, LCDs LCD, function key K1 to Kn, acoustic device BL, urgent early warning indicator lamp LED; And auxiliary element is formed; Content displayed comprises car conour profile, tire location and numbering on the LCD display, and in cooresponding zone the frame that shows pressure data is arranged;

Signal transmission circuit F and signal receiving circuit J are the coding-decoding circuits of pairing; The programming of micro controller system IC3 has following function: 1, and can discern and distribute address, numbering and the force value of emission number breath tire, and be presented at corresponding position; 2; Can be to lose heart and send urgent indication soon according to the identification of the continuous alarm of same tire in the short time, 3, can be through numbering, position, the force value institute display position of function key adjustment institute changing of tire; All components and parts are cased, and power supply E2 uses vehicle power;

Automatic burst-preventing part is by tire tube valve shell (1), dust cap (2), the deflation hole on the cap (3), core bar (4), core cap (5); Core body (6), exhaust spring (7), seal ring (8), valve seat (9); Packing seal (10), air inlet spring (11), exhaust valve (12) is formed, and core cap (5) combines with shell (1) through screw thread; There is the spring brace table at following core body (6) two ends, and there is seal ring (8) in the outside, and there is the taper edge inboard, and taper exhaust valve (12) is arranged at core bar (4) bottom; Being valve seat (9) and packing seal (10) below the valve body, is air inlet spring (11) below the valve seat, and suit exhaust spring (7) in the core bar external core further specifies below in conjunction with accompanying drawing and embodiment.

Accompanying drawing 1 is a tire pressure detection signal transporting part circuit diagram

Accompanying drawing 2 is that signal receives early warning partial circuit figure

Accompanying drawing 3 is automatic burst-preventing part-structure figure

Embodiment 1. accompanying drawings 1 are by power supply E1, pressure switch K, pressure transformer H; Bleeder circuit R1, R2, R3; Comparator IC1, IC2, signal transmission circuit F, switch VT and corresponding auxiliary element and shell are formed, and the both positive and negative polarity of power supply E1 is connected with the both positive and negative polarity of corresponding components and parts respectively, and pressure switch K is serially connected in the mouth of power supply; The output of bleeder circuit R1, R2 is connected with "+" pin of comparator IC1, IC2 respectively; The analog output of pressure transformer H is connected with the IC1 of comparator, "-" pin of IC2 respectively, and the digital output end of H is connected with the input end of signal transmission circuit F, and the mouth of F is through a switch VT and a day wire joint; The output of comparator IC1, IC2 is connected with the control utmost point of VT; Whole components and parts insulation-encapsulated and firmly be connected with tire tube valve, wherein the window of K switch and pressure transformer H exposes, and antenna is connected with tire tube valve shell or wheel hub;

Embodiment 2. message pick-up early warning parts by power supply E2, signal receiving circuit J, micro controller system IC3, LCDs LCD, function key K1 to Kn, acoustic device BL, urgent early warning indicator lamp LED; Auxiliary element and shell are formed; Content displayed comprises car conour profile, tire seat and numbering on the LCD display, and in cooresponding zone the frame that shows pressure data is arranged;

Signal transmission circuit F and signal receiving circuit J are the wireless coding and decoding circuit of pairing, and have the digital transmitting and receiving function, and the programming of micro controller system IC3 has following function: 1; Can discern and distribute address, numbering and the force value of emission number breath tire; And be presented at corresponding position, and 2, can be to lose heart and send urgent indication soon according to the identification of the continuous alarm of same tire in the short time; 3; Can be through numbering, position, the force value institute display position of function key adjustment institute changing of tire, all components and parts are cased, and power supply E2 uses vehicle power.

Embodiment 3. automatic burst-preventings parts is by tire tube valve shell (1), dust cap (2), the deflation hole on the cap (3), core bar (4); Core cap (5), core body (6), exhaust spring (7), seal ring (8); Valve seat (9), packing seal (10), air inlet spring (11), exhaust valve (12) is formed; Core cap (5) combines with shell (1) through screw thread, and there is the spring brace table at following core body (6) two ends, and there is seal ring (8) in the outside, and there is the taper edge inboard; Taper exhaust valve (12) is arranged at core bar (4) bottom, is valve seat (9) and packing seal (10) below the valve body, is air inlet spring (11) below the valve seat, suit exhaust spring (7) in the core bar external core.

Job procedure of the present invention is: the pressure of pressure switch K is set at alarm pressure or slightly high; Just conducting and of K when tire pressure is lower than this value to circuit supply; Not under-voltage, do not patrol and examine, do not report to the police, not electricity consumption, to reach power saving effect, when tire pressure is lower than the alarm pressure value of comparator IC1; Output high level and conducting VT and coding and force value signal that F is exported amplify; Launch from antenna, acceptor circuit J is transferred to micro controller system IC3 and carries out address assignment and show related content after receiving and decoding behind the signal effectively; When tire pressure continues to reduce; When being lower than the standard value of comparator IC2; IC2 just exports high level and conducting VT once more, and another launches alerting signal, and the IC3 in the acceptor circuit judges it is to lose heart slowly or lose heart soon according to the time of setting; If the fast disappointing urgent early warning of just sending, so that remind chaufeur to take corresponding measure immediately; When changing of tire; Tyre serial number, position and the data display seat originally confirmed all will change; In order to make chaufeur can distinct judgement be that tire is reported to the police; Acceptor circuit can be adjusted the tire place value of changing through function key and menu, and the position that read-out is shown is consistent with the actual position that newly changes tire; The design of pressure of explosion-proof air valve exhaust spring is higher than tire standards pressure; Be lower than the born pressure of tire, when automobile bumpiness or factor such as be heated caused tire pressure to be higher than spring pressure, blow off valve was opened the eliminating over-pressure gas automatically; When pressure drops to when being lower than spring pressure; Exhaust valve closure had both guaranteed enough tire pressures, guaranteed not take place the accident of blowing out again.

Claims

1. the intelligent safety system of tire is characterised in that: be made up of the transmission of tire pressure detection signal, signal reception early warning, automatic burst-preventing three parts.

2. the described tire pressure detection signal of claim 1 transporting part is characterised in that: by power supply E1, and pressure switch K, pressure transformer H; Bleeder circuit R1, R2, R3; Comparator IC1, IC2, signal transmission circuit F, switch VT form, and the both positive and negative polarity of power supply is connected with the both positive and negative polarity of corresponding components and parts respectively, and K switch is serially connected in the mouth of power supply E; The output of bleeder circuit R1, R2 respectively with comparator IC1, IC2 "+" input end is connected; The analog output of pressure transformer H is connected with the IC1 of comparator, "-" input end of IC2 respectively, and the digital output end of H is connected with the input end of signal transmission circuit F, and the mouth of F is through a switch VT and a day wire joint; The output of comparator IC1, IC2 is connected with the control utmost point of VT; Whole components and parts insulation-encapsulated and firmly be connected with tire tube valve, wherein the window of K switch and pressure transformer H exposes, and antenna is connected with tire tube valve shell or wheel hub.

3. the described signal of claim 1 receives the early warning part and is characterised in that: by power supply E2, message pick-up circuit J, micro controller system IC3, LCDs LCD, function key K1 to Kn, acoustic device BL, urgent early warning indicator lamp LED; And auxiliary element is formed; Content displayed comprises car conour profile, tire location and numbering on the LCD display, and in cooresponding zone the frame that shows pressure data is arranged; Wherein power supply E2 is a vehicle power; Its both positive and negative polarity is connected with the both positive and negative polarity of components and parts respectively; The output pin of signal receiving circuit J is connected with the input pin of micro controller system IC3; The pin of IC3 and LCD display, function key K1 are to Kn, acoustic device BL, urgent early warning indicator lamp LED, and the corresponding connection of auxiliary element.

4. the described automatic burst-preventing part of claim 1 is characterised in that: by tire tube valve shell (1), and dust cap (2), the deflation hole on the cap (3), core bar (4); Core cap (5), core body (6), exhaust spring (7), seal ring (8); Valve seat (9), packing seal (10), air inlet spring (11), exhaust valve (12) is formed; Core cap (5) combines with shell (1) through screw thread, and there is the spring brace table at following core body (6) two ends, and there is seal ring (8) in the outside, and there is the taper edge inboard; Taper exhaust valve (12) is arranged at core bar (4) bottom, is valve seat (9) and packing seal (10) below the valve body, is air inlet spring (11) below the valve seat, suit exhaust spring (7) in the core bar external core.

5. the characteristic of the intelligent safety system of tire also is: signal transmission circuit F and signal receiving circuit J are the wireless coding and decoding circuit of pairing, and have the digital transmitting and receiving function; Micro controller system IC3 realizes following function through programming: 1, and can discern and distribute address, numbering and the force value of emission information tire, and be presented at corresponding position; 2 can be to lose heart and send urgent indication soon according to the identification of the continuous alarm of same tire in the short time; 3 can adjust tyre serial number, position, the force value viewing area changed through function key.