CN103786535B - Charge transport circuit between relative rotation body - Google Patents
Charge transport circuit between relative rotation body Download PDFInfo
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- CN103786535B CN103786535B CN201210433411.0A CN201210433411A CN103786535B CN 103786535 B CN103786535 B CN 103786535B CN 201210433411 A CN201210433411 A CN 201210433411A CN 103786535 B CN103786535 B CN 103786535B
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- conductor
- diode
- relative rotation
- moving
- rotation body
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Abstract
The present invention relates to charge transport circuits between a kind of relative rotation body, belong to electricity (electric signal) and generate, convert, transmission technique field, are made of the quiet conductor between relative rotation body, the moving-conductor between relative rotation body, rectification circuit three parts.Sufficient electricity is obtained applied to the tire pressure monitoring sensor that in automobile direct tire pressure monitoring system, can make to be mounted in wheel, transmits stable signal.Therefore, it is possible to improve tire pressure monitoring sensor service life and work during the detection frequency, reduce the design of tire pressure monitoring sensor, production and manufacture complication degree；It solves the problems, such as to be limited by use environment factor during carrying out radio signal transmission and cause radio signal transmission unstable quality and there is the security risk that can not alarm；Avoid because battery there are due to the quality of increase tire pressure monitoring sensor that generates and increasing destroys the factor of Wheel Dynamic Balance of Motorcars, can overcome the environmental protection problem generated after being scrapped because of battery.
Description
Technical field
The present invention relates to charge transport circuits between a kind of relative rotation body, more specifically to two relative rotation conductors
The method and approach that mutual electricity is generated, converts, transmitted.Belong to electricity to generate, convert, transmission technique field.It can fit
For automobile direct tire pressure monitoring system.
Background technology
Currently, in existing practical automobile direct tire pressure monitoring system, tire pressure monitoring sensor
Circuit is all to provide electricity by the battery of low capacity, is limited by battery capacity small factor and battery material factor limits
There are various shortcomings in practical applications in system, existing practical automobile direct tire pressure monitoring system, for example,
The detection frequency during the service life of tire pressure monitoring sensor, work is restricted；Tire pressure monitoring sensor
Design, production and manufacture complicate；And it is limited and is made by use environment factor during carrying out radio signal transmission
At radio signal transmission unstable quality, there is the security risk that can not be alarmed；The presence of battery increases tire pressure inspection
The quality for surveying sensor increases the factor for destroying Wheel Dynamic Balance of Motorcars, the environmental protection generated after also battery being brought to scrap
Problem.
If automobile direct tire pressure monitoring system uses charge transport circuit between relative rotation body, above-mentioned deficiency
Place can be resolved, and the tire pressure monitoring sensor in wheel can obtain sufficient electricity, and transmission is stablized
Signal.
Relative rotation body is made of two (several) objects, one of them (several) object surrounds another (several)
Object rotation either one of them (several) object periodically moves closer to gradually remote again after another (several) object
From the two (several) objects are referred to as relative rotation body and (make the object and another (several) object correlation of simple harmonic motion
Relative rotation body can be referred to as), such as in vehicle, rotated around braking clamp by the wheel that wheel rim and tire are constituted, wheel and brake
Pincers may be collectively referred to as relative rotation body, and equally, a part such as valve cock and braking clamp on wheel may be collectively referred to as opposite revolve
Swivel.
Charge transport circuit is directed to the conductor propagation on an object between relative rotation body to electricity between relative rotation body
Amount (conductor i.e. on this object is with after certain electricity), be in direct contact or the non-direct contact object on conductor shape
The conductor on another object between relative rotation body under state can show to export under certain condition certain electricity (i.e. separately
Conductor on one object is presented under certain condition with certain electricity) circuit of phenomenon.
Place quiet conductor (hereinafter referred to as quiet conductor) between relative rotation body, relative rotation respectively on the car body and on wheel
Moving-conductor (hereinafter referred to as moving-conductor) between body and rectification circuit, it is established that charge transport circuit between relative rotation body, is one
It is a that automotive tire pressure detection sensor can be made to obtain sufficient electricity, transmit the feasible program of stable signal.
The capacitive junctions with capacitance parameter are may be constructed under certain condition, together with quiet conductor is close to each other with moving-conductor
Structure, using the charge-discharge principle of capacitance and the rectification principle of rectification circuit, charge transport circuit is defeated between alloing relative rotation body
The electric signal for going out sufficient electricity and stablizing.
Currently, applicant have not yet seen both at home and abroad about by quiet conductor, moving-conductor, rectification circuit three parts form can
Research suitable for charge transport circuit between the relative rotation body of automobile direct tire pressure monitoring system.
Invention content
Charge transport circuit has following characteristics between relative rotation body of the present invention：
Charge transport circuit is made of quiet conductor, moving-conductor, rectification circuit three parts between relative rotation body.
The capacitance structure with capacitance parameter can be presented in quiet conductor and moving-conductor；Moving-conductor can be revolved around quiet conductor
Transport the movement for being gradually distance from quiet conductor after moving or periodically moving closer to quiet conductor again；Both quiet conductor and moving-conductor
On electricity according to the variation of electric field between two conductors and correspondingly can increase simultaneously respectively under certain condition or simultaneously
Reduce；Quiet conductor can be placed in a relatively fixed position；Moving-conductor, which can be placed in one, can surround quiet conductor
On the position to rotate or be placed in can periodically move closer to quiet conductor after be gradually distance from the position of quiet conductor again
It sets；The effigurate conductor of tool that quiet conductor can be for example mounted on braking clamp apical position；Quiet conductor for example may be used
To be braking clamp；Quiet conductor for example can be a component on braking clamp；Quiet conductor for example can be other (on braking clamp or
On non-braking clamp) conductor on a fixed position relative；Moving-conductor, which can be for example integrally fixed on wheel rim, has a setting
The valve cock of shape；Moving-conductor can for example be integrally fixed on wheel rim on a certain position and have centainly with what valve cock was conducted
(valve cock has the feature of conducting wire to the conductor of shape：Conductor i.e. in valve cock makes to be in constitutes confined air by wheel rim and tire
Circuit in chamber is conducted with the circuit (including moving-conductor, valve cock itself) being in outside cavity)；Moving-conductor for example can be wheel
Steel wire curtain in tire；Moving-conductor for example can be the conductor of other in tire (non-steel wire curtain) form；Moving-conductor for example can be
The effigurate conductor of tool on other (tire or wheel rim and non-tire or wheel rim) positions；Etc..
Rectification circuit is made of one (several) basic rectification circuit unit.
Basic rectification circuit unit is made of two diodes, basic rectification circuit unit according to electric quantity output end not
It is same to be divided into two kinds of forms：
The first form is：In some basic rectification circuit unit, the cathode of first diode and such as wheel rim (or
The conductor at other positions of person) it is conducted, the anode of first diode is conducted with such as moving-conductor, meanwhile, second two pole
The anode of the cathode of pipe and first diode is conducted, and the anode of second diode is as this basic rectification circuit unit
Electric quantity output end.
Second of form be：In some basic rectification circuit unit, the anode of first diode and such as wheel rim (or
The conductor at other positions of person) it is conducted, the cathode of first diode and for example moving-conductor is conducted, meanwhile, second two pole
The anode of pipe and the cathode of first diode are conducted, and the cathode of second diode is as this basic rectification circuit unit
Electric quantity output end.
In different use purposes and use environment, the installation site of the diode in basic rectification circuit unit can be with
The installation site of difference, diode for example can be in the circuit board；Can be in integrated circuits；Can be in relative rotation
In body；It can be the anode and second of first diode in basic rectification circuit unit on other specific location
While the cathode of a diode is conducted, can be with moving-conductor be connected, or with quiet conductor be connected, or and other
Conductor is connected.
Diode in basic rectification circuit unit for example can be light emitting diode；Two in basic rectification circuit unit
Pole pipe for example can be rectifier diode；Diode in basic rectification circuit unit, which for example can be other, to be had centainly specifically
The diode of parameter, functional form.
The operation principle of charge transport circuit can be described as follows between relative rotation body：The quiet conductor and described dynamic
Conductor may be constructed a capacitance structure with capacitance parameter, and two conductors respectively become two electrodes of a capacitance structure,
According to the different motion state position of moving-conductor, there are certain rules for the capacitance of quiet conductor and the constituted capacitance structure of moving-conductor
Property variation, under certain condition, when moving-conductor is in closest to quiet conductor position, the capacitance of capacitance structure is maximum；When
When moving-conductor is in farthest away from quiet conductor position, the capacitance of capacitance structure is minimum；In capacitance structure, appoint in two electrode conductors
If there is one electrode conductor of meaning certain electricity, the corresponding site of another electrode conductor also will present certain electricity, such as
Fruit capacitance structure is connected with the mains, then the capacitance structure will charge with becoming larger for capacitance under certain condition, with electricity
Capacitance become smaller electric discharge or the capacitance structure charge under certain condition with becoming larger for supply voltage value, with power supply
The electric discharge that becomes smaller of voltage value；In this process, then be combined with rectification circuit control charging or discharging current direction, so that it may so that constitute
Relative rotation body between charge transport circuit to show the electricity on one of conductor past existing to another conductor propagation
As in other words, after having certain electricity on a conductor, under certain condition, another conductor of the non-direct contact conductor can
The phenomenon that show to have exportable certain electricity ability.
The present invention is applied in automobile direct tire pressure monitoring system, can be the wheel tire pressure mounted on inside wheel
The electric signal that force detection sensor circuit provides electricity and transmission quality is stablized, compares, while can reduce tire pressure
The quality of detection sensor.
Description of the drawings
Fig. 1 provides electricity example structure for DC power supply form of the invention to tire pressure monitoring sensor circuit
Schematic diagram.
Fig. 2 provides electricity embodiment for alternating voltage form of power of the invention to tire pressure monitoring sensor circuit
Structural schematic diagram.
In figure A be mainly be made of automobile ignition coil and high-voltage diode negative direct current high voltage electricity (anode by leading
Line bonding, cathode are connected by conducting wire and conductor (B)).
A1 is that (a power supply output stage passes through conducting wire to alternating voltage power supply by conducting wire bonding, another power supply output stage in figure
It is connected with conductor (B)).
For the effigurate conductor of tool in the endface position of braking clamp top, (this is quiet conductor to B, is constituted in figure
One electrode of capacitance structure can pass through conducting wire and the conducting of negative high voltage DC power supply (A) cathode or and alternating voltage electricity
Source (A1) power supply output stage conducting).
To have effigurate valve cock on wheel rim, (this is moving-conductor to E, constitutes the another of capacitance structure in figure
A electrode, meanwhile, with the diode in the basic rectification circuit unit that is placed in the closed cavity that is made of wheel rim and tire
Conducting).
D1 is two poles in the basic rectification circuit unit being placed in the closed cavity being made of wheel rim and tire in figure
Pipe (cathode and valve cock (E) conducting, positive ground).
D2 is two poles in the basic rectification circuit unit being placed in the closed cavity being made of wheel rim and tire in figure
(anode and valve cock (E) conducting, anode sense pipe as the electric quantity output end and tire pressure monitoring of basic rectification circuit unit
Device circuit (F) is connected).
F is placed in the tire pressure monitoring sensor circuit in the closed cavity being made of wheel rim and tire in figure.
Specific implementation mode
Structure of the invention and principle are described further below in conjunction with the embodiment that attached drawing provides.
The DC power supply form of the present invention as shown in Figure 1 provides electricity implementation to tire pressure monitoring sensor circuit
Example, structure are：Under normal circumstances, the negative direct current high voltage power supply being mainly made of automobile ignition coil and high-voltage diode
(A), anode is by conducting wire bonding, and cathode is connected by conducting wire and conductor (B)；Valve cock (E) and diode (D1)
Cathode is connected, meanwhile being connected with the positive of diode (D2)；The positive ground of diode (D1)；The cathode of diode (D2) and
Tire pressure monitoring sensor circuit (F) is connected.
Its operation principle can be sketched：Under normal circumstances, it is made of automobile ignition coil and high-voltage diode straight
It flows negative high voltage power source (A) cathode to be connected by conducting wire and conductor (B), makes to generate electric field around conductor (B)；Valve cock (E) with
The rotation of wheel is gradually distance from conductor (B) again after can periodically moving closer to conductor (B), in this process in cycles
In, the capacitance structure that valve cock (E) and conductor (B) are constituted, capacitance is to undergo to arrive small cyclic process again from small to large,
Valve cock (E) moves closer to conductor (B) in the stage, and the capacitance of capacitance structure becomes larger, under the action of electric field, diode
(D1) charging current, current direction valve cock (E) are generated in；Conductor (B) is gradually distance from the stage in valve cock (E), capacitive junctions
The capacitance of structure tapers into, and under the action of electric field, discharge current, the inspection of current direction tire pressure are generated in diode (D2)
Survey sensor circuit (F)；Therefore, at this stage, tire pressure monitoring sensor circuit (F) obtains electricity.
The alternating voltage form of power of the present invention is real to tire pressure monitoring sensor circuit offer electricity as shown in Figure 2
Example is applied, structure is：Under normal circumstances, a power supply output stage of alternating voltage power supply (A1) passes through conducting wire bonding, Ling Yi electricity
Source output stage is connected by conducting wire and conductor (B)；The cathode of valve cock (E) and diode (D1) is connected, meanwhile and diode
(D2) anode conducting；The positive ground of diode (D1)；The cathode and tire pressure monitoring sensor circuit of diode (D2)
(F) it is connected.
Its operation principle can be sketched：Under normal circumstances, a power supply output stage of alternating voltage power supply (A1) is to pass through
Conducting wire bonding, another power supply output stage are connected by conducting wire and conductor (B), and the electric field that alternation is generated around conductor (B) is made；Gas
Door mouth (E) can enter the electric field of conductor (B) surrounding alternation, under the action of alternating electric field, valve cock with the rotation of wheel
(E) presence can make to generate charging current, discharge current respectively in diode (D1), diode (D2), in some stage,
Under the action of alternating electric field, charging current, current direction valve cock (E) are generated in diode (D1)；In another stage,
Under the action of alternating electric field, discharge current, current direction tire pressure monitoring sensor circuit (F) are generated in diode (D2)；
Therefore, in the stage for discharge current being generated in diode (D2), tire pressure monitoring sensor circuit (F) obtains electricity.
Claims (1)
1. charge transport circuit between a kind of relative rotation body, it is characterized in that：Between relative rotation body charge transport circuit by quiet conductor,
Moving-conductor, rectification circuit three parts composition；Quiet conductor and moving-conductor constitute the capacitance structure with capacitance parameter；Quiet conductor with it is dynamic
Electricity in conductor the two is correspondingly distinguished with quiet conductor with the moving-conductor variation of electric field between the two under certain condition
Increase simultaneously and either reduces simultaneously；Rectification circuit is made of more than one basic rectification circuit unit；
Wherein, quiet conductor and moving-conductor constitute a capacitance structure with capacitance parameter, and two conductors respectively become a capacitance
Two electrodes of structure, when moving-conductor is in closest to quiet conductor position, the capacitance of capacitance structure is maximum；At moving-conductor
When farthest away from quiet conductor position, the capacitance of capacitance structure is minimum；In capacitance structure, any one electricity in two electrode conductors
If there is pole conductor certain electricity, the corresponding site of another electrode conductor also will present certain electricity, capacitance structure connects
Upper power supply, then the capacitance structure can charge with becoming larger for capacitance, with capacitance become smaller electric discharge or the capacitance
Structure can charge with becoming larger for supply voltage value, with the electric discharge that becomes smaller of supply voltage value, wherein rectification circuit can
Control sense of current in this charge and discharge process；
Wherein, quiet conductor is a specific conductor in charge transport circuit, quiet conductor motion mode bit between relative rotation body
It sets and keeps not changing relatively under certain condition；Between some specific relative rotation body in charge transport circuit, it is mounted on and stops
The effigurate conductor of tool on vehicle pincers apical position is the quiet conductor in charge transport circuit between this relative rotation body；
Wherein, moving-conductor is a specific conductor in charge transport circuit, moving-conductor motion state position between relative rotation body
Setting can occur continuously to move or change relatively under certain condition；The charge transport between some specific relative rotation body
In circuit, the effigurate valve cock of tool that is fixed on wheel rim is dynamic in charge transport circuit between this relative rotation body
Conductor；
Wherein, the basic rectification circuit unit in rectification circuit is made of two diodes；Basic rectification circuit unit according to
The difference of its circuit electric quantity output end is divided into two kinds of forms, the first form is：In a basic rectification circuit unit, first
The cathode and wheel rim of a diode are conducted, and the anode of first diode is conducted with moving-conductor, meanwhile, second diode
Cathode and the anode of first diode be conducted, the anode of second diode is as this basic rectification circuit unit
Electric quantity output end；Second of form be：In another basic rectification circuit unit, the anode and wheel rim phase of first diode
Conducting, the cathode and moving-conductor of first diode are conducted, meanwhile, the anode of second diode and first diode
Cathode is conducted, the electric quantity output end of the cathode of second diode as this basic rectification circuit unit；
Wherein, in different use purposes and use environment, the anode of first diode in basic rectification circuit unit
It is connected or is connected with quiet conductor with moving-conductor while being conducted with the cathode of second diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210433411.0A CN103786535B (en) | 2012-11-05 | 2012-11-05 | Charge transport circuit between relative rotation body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210433411.0A CN103786535B (en) | 2012-11-05 | 2012-11-05 | Charge transport circuit between relative rotation body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103786535A CN103786535A (en) | 2014-05-14 |
| CN103786535B true CN103786535B (en) | 2018-07-27 |
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ID=50662779
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210433411.0A Expired - Fee Related CN103786535B (en) | 2012-11-05 | 2012-11-05 | Charge transport circuit between relative rotation body |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2173352A (en) * | 1985-02-01 | 1986-10-08 | Donald Richard | Electrically powered propulsion unit |
| CN2675436Y (en) * | 2004-01-14 | 2005-02-02 | 林炜 | Power supply device used in information sender of tyre monitoring system |
| CN1814469A (en) * | 2005-02-02 | 2006-08-09 | 林炜 | Power source device for information transmitter for tyre monitoring system |
| CN101247096A (en) * | 2008-03-18 | 2008-08-20 | 杭州电子科技大学 | Piezo-electricity energy harvester |
| CN101509836A (en) * | 2009-03-23 | 2009-08-19 | 杨红光 | Automoblie tyre status monitoring system |
| CN102026833A (en) * | 2008-03-10 | 2011-04-20 | 陶瓷技术股份公司 | Device for generating energy in a rotating system |
-
2012
- 2012-11-05 CN CN201210433411.0A patent/CN103786535B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2173352A (en) * | 1985-02-01 | 1986-10-08 | Donald Richard | Electrically powered propulsion unit |
| CN2675436Y (en) * | 2004-01-14 | 2005-02-02 | 林炜 | Power supply device used in information sender of tyre monitoring system |
| CN1814469A (en) * | 2005-02-02 | 2006-08-09 | 林炜 | Power source device for information transmitter for tyre monitoring system |
| CN102026833A (en) * | 2008-03-10 | 2011-04-20 | 陶瓷技术股份公司 | Device for generating energy in a rotating system |
| CN101247096A (en) * | 2008-03-18 | 2008-08-20 | 杭州电子科技大学 | Piezo-electricity energy harvester |
| CN101509836A (en) * | 2009-03-23 | 2009-08-19 | 杨红光 | Automoblie tyre status monitoring system |
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| Publication number | Publication date |
|---|---|
| CN103786535A (en) | 2014-05-14 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yang Hongguang Inventor after: Yang Junqi Inventor after: Chen Yantao Inventor before: Yang Hongguang |
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Granted publication date: 20180727 Termination date: 20211105 |
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