CN101509836B - Automoblie tyre status monitoring system - Google Patents
Automoblie tyre status monitoring system Download PDFInfo
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- CN101509836B CN101509836B CN200910119074.6A CN200910119074A CN101509836B CN 101509836 B CN101509836 B CN 101509836B CN 200910119074 A CN200910119074 A CN 200910119074A CN 101509836 B CN101509836 B CN 101509836B
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Abstract
A monitoring system of the state of automobile wheel tires comprises a detection display circuit, a current (electrical signal) transmission loop between an automobile body and an automobile wheel, and a feedback network circuit. The structure and parameters of the feedback network circuit can be changed according to the change of a certain physical state of the automobile wheel tire to a certain extend, while the change of the structure and the parameters of the feedback network circuit can change the characteristics of the current (electrical signal) through the feedback network circuit. The detection display circuit can detect the characteristics change of the current (electrical signal) and display the characteristics change of the current (electrical signal), and display specific information. Compared with the prior technology scheme, the inventive disclosed technology scheme is free from the constraint of necessary use of a second power supply, overcomes each problem due to use of an electromagnetism transformation technology in the current (electrical signal) transmission process, and can exactly and immediately monitor the air temperature, pressure in the wheel tires and screw tightness physical state of the wheel tires.
Description
Technical field
The present invention relates to a kind of automoblie tyre status monitoring system, more particularly, relate to a kind of automoblie tyre status monitoring method and system.
Background technology
Automoblie tyre kilter is a guarantee of ride safety of automobile, and the fixedly screw of wheel is loosening, can make automobile that de-wheel occurs, and causes security incident; Irrational tire pressure (particularly pressure is on the low side) can obviously increase the oil consumption in vehicle traveling process, shortens the stroke of automobile; Wheel tyre temperature can raise in vehicle traveling process, and excess Temperature can cause automotive tire burst, causes security incident.
There is at present the system for monitoring pressure in tyre of two kinds of patterns: direct-type and indirect type, indirect type is to be attached in wheel anti-lock braking system (ABS), based on the poor judgement system of four-wheel speed; Direct-type is that the information of utilizing electronic sensor to obtain the pressure and temperature of tire shows with the transmission of radio form again.Be subject to the limitation of principle of work, indirect type cannot be monitored the temperature of tire, exists false alarm frequency high, the problem that the slow grade of reporting to the police is difficult to overcome; There is the relative low deficiency of life-span of radio communication reliability and tire electronics module in direct-type, and two kinds of patterns all can not be monitored automobile under steam, the loosening this situation of fixedly screw of wheel.
Summary of the invention
The object of the present invention is to provide a kind of novel automoblie tyre status monitoring system technical scheme, to solve the deficiency existing in prior art scheme.
Technical scheme of the present invention is: automoblie tyre status monitoring system, comprise electric signal transmission loop, feedback network circuit between detection display circuit, car body and wheel, it is characterized in that: between car body and wheel, electric signal transmission loop, by the electric signal transmission that is arranged on the output of detection display circuit on car body in the feedback network circuit on wheel, and transfers back to the electric signal in the feedback network circuit being arranged on wheel on car body again; The structure and parameter of feedback network circuit can change according to the variation of automoblie tyre physical state, and changes the feature of detection display circuit output electrical signals simultaneously; Feature after its output electrical signals of detection display electric circuit inspection changes, and show feature and the customizing messages after change in electric.
Wherein, a circuit or the several circuit parallel connection of feedback network circuit in temperature feedback element circuit, pressure feedback unit circuit, tire screw feedback unit circuit forms, and has two end points; Between end points of feedback network circuit and relative rotary body, a conductor of electric signal circuit is connected, and between another end points of feedback network circuit and the building electrode contact on wheel body and car body building electrode contact, in electric signal transmission circuit, the building electrode contact on wheel body is connected; The structure and parameter that the mechanical switch closed (disconnection) that can change by certain physical state of reaction automoblie tyre in the temperature feedback element circuit of composition feedback network circuit, pressure feedback unit circuit, tire screw feedback unit circuit or semiconductor switch conducting (cut-off) make certain element circuit changes, and the structure and parameter of feedback network circuit changes simultaneously.
Between car body and wheel, electric signal transmission loop comprises the building electrode contact on electric signal transmission circuit and wheel body and the electric signal transmission circuit between car body building electrode contact between relative rotary body, and two kinds of circuit form electric signal input and output loop between circuit on wheels and the circuit on car body.
Between rotary body, electric signal transmission circuit is to consist of two counterrotating conductors relatively, two counterrotating conductors are referred to as rotary body, it is characterized in that: two counterrotating conductors are mutually close, or be in contact with one another, electric signal on one of them conductor can be transferred to by the changing electric field between two conductors on another counterrotating conductor, or the electric signal on one of them conductor is directly delivered on another counterrotating conductor.This conductor can be mounted in the electrode on brake block in auto wheel brake system; Can be with brake block form interlock electrode; It can be the conductor that directly contacts another conductor; Can be the conductor near another conductor, another conductor wherein can be brake flange or brake disc; It can be wheel rim; It can be the conductor on brake flange or brake disc or wheel rim; Can be directly to contact the conductor of a conductor.
Wheel body is that brake flange or brake disc and wheel rim combine, and by wheel bearing, is supported, and jointly around axletree rotation, brake flange or brake disc are referred to as wheel body with wheel rim; Building electrode contact and wheel bearing on wheel body contact, car body building electrode contact on wheel bearing and axletree contacts, electric current on building electrode contact on wheel body can be delivered on the car body building electrode contact on axletree by wheel bearing, that is the electric signal, being transferred in feedback network circuit can be passed car body back by electric signal transmission circuit between the building electrode contact on wheel body and car body building electrode contact.
Detection display circuit is to consist of testing circuit and display circuit, the feature of the electric signal of testing circuit output electrical signals detection output; Display circuit shows feature and the customizing messages of the detected electric signal of testing circuit.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Fig. 1 is automoblie tyre status monitoring system structural representation of the present invention.
Fig. 2 is automoblie tyre status monitoring system feedback network circuit structural representation of the present invention.
Fig. 3 is DC signal feedback form automoblie tyre status monitoring system example structure schematic diagram.
Fig. 4 is dynamic electric signal feedback form automoblie tyre status monitoring system example structure schematic diagram.
In figure, A is detection display circuit of the present invention.
In figure, B is electric signal transmission circuit between relative rotary body of the present invention.
In figure, C is feedback network circuit of the present invention.
In figure, D is electric signal transmission circuit between building electrode contact on wheel body of the present invention and car body building electrode contact.
In figure, V is that vehicle power is anodal.
In figure, E is vehicle power negative pole.
The end points that in figure, X is feedback network circuit of the present invention.
Another end points that in figure, Z is feedback network circuit of the present invention.
In figure, W is temperature feedback element circuit of the present invention.
In figure, Y is pressure feedback unit circuit of the present invention.
In figure, G is tire screw feedback unit circuit of the present invention.
In figure, A1 is the detection display circuit that can export DC signal and monitor DC signal feature of the present invention.
In figure, B1 is arranged on the electrode on brake block in auto wheel brake system architecture.
In figure, B2 is for being arranged on brake flange in auto wheel brake system architecture.
In figure, A2 is the detection display circuit that can export dynamic electric signal and monitor dynamic electric signal characteristic of the present invention.
In figure, B3 is the conductor near wheel rim.
In figure, B4 is wheel rim.
In figure, the direction of arrow represents electric signal transmission direction.
Embodiment
Below two embodiment of the present invention are elaborated respectively, described embodiment implements take technical solution of the present invention under prerequisite, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As shown in Figure 3, a kind of DC signal feedback form automoblie tyre status monitoring system embodiment, comprises the detection display circuit A1 that exports and detect DC signal feature; Be arranged on the electrode B on brake block 1 in auto wheel brake system architecture; Brake flange B2; Feedback network circuit C; Electric signal transmission circuit D between the building electrode contact on wheel body and car body building electrode contact.
The detection display circuit A1 that exports and detect DC signal feature forms the detection display circuit A in automoblie tyre status monitoring system; Be arranged on the electrode B on brake block 1 in auto wheel brake system architecture and form a conductor in electric signal transmission circuit B between relative rotary body; Brake flange B2 forms another conductor in electric signal transmission circuit B between relative rotary body.
In the present embodiment, automoblie tyre status monitoring system is monitored automoblie tyre state in the brake process of automobile.
Its course of work is: under normal circumstances, in the process of moving, automoblie tyre status monitoring system obtains electric flux from automobile body power to automobile, system works.The DC signal of detection display circuit A1 output is transferred to and is arranged in auto wheel brake system architecture in the electrode B on brake block 1, when automobilist steps on after brake pedal, brake block contacts with brake flange B2, electrode B 1 on brake block contacts with brake flange B2, electric signal transmission in electrode B 1 on brake block is to brake flange B2, be transferred to again the end points X of feedback network circuit C, electric signal is transferred on the end points Z of feedback network circuit C after by feedback network circuit C, through electric signal transmission circuit D between the building electrode contact on wheel body and car body building electrode contact, transfer back on car body again.DC signal feature in this transmission loop is certain.After the state of wheel tyre changes, switch contact action in temperature feedback element circuit W or pressure feedback unit circuit Y or wheel tyre screw feedback unit circuit G, the structure and parameter that is feedback network circuit C changes, the feature of detection display circuit output DC signal changes simultaneously, detection display circuit A1 can detect the feature that the DC signal of its output changes, and shows feature and customizing messages after output electrical signals changes.Automoblie tyre status monitoring system indicates specific information.
As shown in Figure 4, a kind of dynamic electric signal feedback form automoblie tyre status monitoring system embodiment, comprises the detection display circuit A2 that exports and detect dynamic electric signal characteristic; Conductor B3 near wheel rim; Wheel rim B4; Feedback network circuit C; Electric signal transmission circuit D between the building electrode contact on wheel body and car body building electrode contact.
The detection display circuit A2 that exports and detect dynamic electric signal characteristic forms the detection display circuit A in automoblie tyre status monitoring system; Conductor B3 near wheel rim forms a conductor in electric signal transmission circuit B between relative rotary body; Wheel rim B4 forms another conductor in electric signal transmission circuit B between relative rotary body.
In the present embodiment, automoblie tyre status monitoring system is monitored automoblie tyre state in the driving process of automobile.
Its course of work is: under normal circumstances, in the process of moving, automoblie tyre status monitoring system obtains electric flux from automobile body power to automobile, system works.The dynamic electric signal of detection display circuit A2 output is transferred near on the conductor B3 of wheel rim, by the conductor B3 near wheel rim and the changing electric field between wheel rim B4, dynamic electric signal is transferred on wheel rim B4, be transferred to again the end points X of feedback network circuit C, it is upper that electric signal is transferred to the end points Z of circuit C after by feedback network circuit C, then transfer back on car body through electric signal transmission circuit D between the building electrode contact on wheel body and car body building electrode contact.Dynamic electric signal feature in this transmission loop is certain.After the state of wheel tyre changes, switch contact action in temperature feedback element circuit W or pressure feedback unit circuit Y or wheel tyre screw feedback unit circuit G, the structure and parameter that is feedback network circuit C changes, the feature of detection display circuit output dynamic electric signal changes simultaneously, feature after the dynamic electric signal that detection display circuit A2 can detect its output changes, shows feature and customizing messages after output electrical signals changes.Automoblie tyre status monitoring system indicates specific information.
Claims (5)
1. an automoblie tyre status monitoring system, is characterized in that: electric signal transmission loop, feedback network circuit between detection display circuit, car body and wheel, consist of; Between car body and wheel, electric signal transmission loop, by the electric signal transmission that is arranged on the output of detection display circuit on car body in the feedback network circuit on wheel, and transfers back to the electric signal in the feedback network circuit being arranged on wheel on car body again; The structure and parameter of feedback network circuit can change according to the variation of automoblie tyre physical state, and changes the feature of detection display circuit output electrical signals simultaneously; Feature after its output electrical signals of detection display electric circuit inspection changes, and show feature and the customizing messages after change in electric;
Wherein, between car body and wheel, electric signal transmission loop comprises the building electrode contact on electric signal transmission circuit and wheel body and the electric signal transmission circuit between car body building electrode contact between relative rotary body, and two kinds of circuit form the loop of electric signal input and output between circuit on wheels and the circuit on car body;
Between rotary body, electric signal transmission circuit is to consist of two counterrotating conductors relatively, two counterrotating conductors are referred to as rotary body, one of them conductor and another conductor are in contact with one another or are mutually close, the electric signal that electric signal on this conductor can be directly delivered on another conductor or on this conductor can be transferred to by the changing electric field between two conductors on another conductor, and this conductor can be mounted in the electrode on brake block in auto wheel brake system; Can be to form the electrode of interlock with brake block; It can be the conductor that directly contacts another conductor; Can be the conductor near another conductor, another conductor wherein can be brake flange or brake disc; It can be wheel rim; It can be the conductor on brake flange or brake disc or wheel rim; Can be directly to contact the conductor of a conductor;
Wheel body is that brake flange or brake disc and wheel rim combine, and by wheel bearing, is supported, and jointly around axletree rotation, brake flange or brake disc are referred to as wheel body with wheel rim; Building electrode contact and wheel bearing on wheel body contact, and the car body building electrode contact on wheel bearing and axletree contacts, and the electric signal on the building electrode contact on wheel body can be delivered on the car body building electrode contact on axletree by wheel bearing;
Temperature feedback element circuit, pressure feedback unit circuit, tire screw feedback unit circuit are respectively to react the circuit that certain physical state of automoblie tyre changes degree;
A circuit or the several circuit parallel connection of feedback network circuit in temperature feedback element circuit, pressure feedback unit circuit, tire screw feedback unit circuit forms, and has two end points; In temperature feedback element circuit, pressure feedback unit circuit, tire screw feedback unit circuit, the structure and parameter of certain element circuit changes, and the structure and parameter of feedback network circuit changes simultaneously.
2. automoblie tyre status monitoring system according to claim 1, is characterized in that, described temperature feedback element circuit is by several resistance, electric capacity, in series with mechanical type temperature switch or semiconductor switch.
3. automoblie tyre status monitoring system according to claim 1, is characterized in that, described pressure feedback unit circuit is by several resistance, electric capacity, in series with mechanical pressure switch or semiconductor switch.
4. automoblie tyre status monitoring system according to claim 1, is characterized in that, described tire screw feedback unit circuit is by several resistance, electric capacity, in series with tire screw switch.
5. automoblie tyre status monitoring system according to claim 4, is characterized in that, described tire screw switch mainly consists of two conductors, and the change of tire screw relative position can change two contact or separation between conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910119074.6A CN101509836B (en) | 2009-03-23 | 2009-03-23 | Automoblie tyre status monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910119074.6A CN101509836B (en) | 2009-03-23 | 2009-03-23 | Automoblie tyre status monitoring system |
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| Publication Number | Publication Date |
|---|---|
| CN101509836A CN101509836A (en) | 2009-08-19 |
| CN101509836B true CN101509836B (en) | 2014-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910119074.6A Expired - Fee Related CN101509836B (en) | 2009-03-23 | 2009-03-23 | Automoblie tyre status monitoring system |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101863198B (en) * | 2010-05-10 | 2011-12-28 | 华南理工大学 | Dynamic current servo statistical device for automobile tyre built-in running safety early-warning system |
| CN103786535B (en) * | 2012-11-05 | 2018-07-27 | 杨红光 | Charge transport circuit between relative rotation body |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4890090A (en) * | 1988-06-06 | 1989-12-26 | Jan Ballyns | Pressure alarm system for motor vehicle tires |
| CN2538577Y (en) * | 2002-04-15 | 2003-03-05 | 李万存 | Automatic air leakage alarm for automobile tyre |
| CN2794898Y (en) * | 2005-03-09 | 2006-07-12 | 柯月英 | Electronic radio tire pressure detector |
| CN101234585A (en) * | 2007-01-30 | 2008-08-06 | 丰田自动车株式会社 | Wheel state monitering system and wheel state detecting apparatus |
-
2009
- 2009-03-23 CN CN200910119074.6A patent/CN101509836B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4890090A (en) * | 1988-06-06 | 1989-12-26 | Jan Ballyns | Pressure alarm system for motor vehicle tires |
| CN2538577Y (en) * | 2002-04-15 | 2003-03-05 | 李万存 | Automatic air leakage alarm for automobile tyre |
| CN2794898Y (en) * | 2005-03-09 | 2006-07-12 | 柯月英 | Electronic radio tire pressure detector |
| CN101234585A (en) * | 2007-01-30 | 2008-08-06 | 丰田自动车株式会社 | Wheel state monitering system and wheel state detecting apparatus |
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| CN101509836A (en) | 2009-08-19 |
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Inventor after: Yang Hongguang Inventor after: Yang Junqi Inventor after: Chen Yantao Inventor before: Yang Hongguang |
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