CN1775575A - Passive tyre pressure monitoring system - Google Patents
Passive tyre pressure monitoring system Download PDFInfo
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- CN1775575A CN1775575A CN 200510061882 CN200510061882A CN1775575A CN 1775575 A CN1775575 A CN 1775575A CN 200510061882 CN200510061882 CN 200510061882 CN 200510061882 A CN200510061882 A CN 200510061882A CN 1775575 A CN1775575 A CN 1775575A
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Abstract
The invention relates to a passive tyre pressure monitoring system, mainly comprising a micro-vibration generator, where the generator is connected in parallel with a group of super capacitors through lead wires and connected with a shaft through a group of magnetic steel-made vibrators and elastic plates, and the shaft is connected with wheels; one side of the vibrator group is provided with a group of cooperating high strength coils, and these coils are connected with the super capacitors through lead wires, respectively; and the invent has four vibrators and four cooperating coils. The beneficial effects of the invention are that: the generator applies the electromagnetic induction theory to convert mechanical vibration energy produced as the tyre run into electric energy so as to charge the super capacitors, and the vibrators can rotate with the types to produce vibration potential energy, able to be made into friction-free pieces, so that the service life is longer and the structure is simpler, really maintenance- free.
Description
Technical field
The present invention relates to a kind of system for detecting tire pressure, mainly is a kind of passive tyre pressure monitoring system that is used on the automobile.
Background technology
Electrical generator is a kind of device that is converted to electric energy by mechanical energy, it is a kind of miniature power generating device that generates electricity by manpower that a kind of self-service microgenerator is arranged in the microgenerator, is usually used in the charging to Bicycle Tail Light, walkman, shaver and storage lamp compact electric apparatus.Because miniature power generating device can reduce the pollution of refuse battery to environment, is a kind of energy of green palladium, has been subjected to the general welcome of people.The mechanical energy that the ripple of how automobile being run up and down produces converts electric energy to, and simple in structure, and stable performance is a miniature power generating device problem to be solved.I have applied for a kind of axial little vibrating electricity generator, number of patent application: 200420107948.0, when wheel rolling, produce the vertical direction shake, the oscillator shake produces axial vibration, coil is produced potential power-generating by magnetic force line cutting, charges to electric capacity by lead-in wire.When galloping, vehicle wheel rotational speed is higher, and oscillator has big centnifugal force, and spring will produce the centnifugal force of bigger compression with balance vibrators.But can make when low speed, the high speed all excited vibrations of oscillator by the design of rational calculating and spring.Axial little vibrating power-generation device can be done lessly, but the life-span is shorter, and loss is bigger.
Summary of the invention
The objective of the invention is in order to solve above-mentioned deficiency, and a kind of passive tyre pressure monitoring system that is used on the automobile is provided.
The present invention finishes above-mentioned purpose by the following technical programs.This passive tyre pressure monitoring system mainly comprises the micro-vibration electric organ, and the micro-vibration electric organ is in parallel with one group of super capacitor by lead-in wire and is connected, and projector is connected by same being in parallel with this group super capacitor that go between.
One group of oscillator that described micro-vibration electric organ is made by magnet steel is connected with wheel bonded assembly axle by flexure strip; One side of oscillator is provided with the one group of high-intensity coil that is mated, and coil is connected with super capacitor by lead-in wire; Be provided with four oscillators of five equilibrium and four coils that match.
Described micro-vibration electric organ mainly comprises housing, is provided with magnet steel in housing, is provided with two groups of high-intensity coils that are mated in the left and right sides of magnet steel, and two groups of coils pick out outside the housing by lead-in wire respectively; Be provided with two groups of springs, spring one end is connected with the upper and lower end face of magnet steel respectively, and the other end is connected with the inwall of housing respectively.
The invention has the beneficial effects as follows: the vibration mechanical energy when little vibrating power-generation device is used electromagnetic induction principle tire is moved converts to behind the electric energy the electrochemical capacitance storage of charging, oscillator can produce vibration potential energy with tyre rotation, can make no friction member, life-span is longer, structure is simpler, and is really non-maintaining.
Description of drawings:
Fig. 1 is a system architecture scheme drawing of the present invention;
Fig. 2 is the structural representation of the embodiment of the invention 1;
Fig. 3 is the structural representation of the embodiment of the invention 2;
Fig. 4 is a principle schematic of the present invention;
Description of reference numerals: coil 1, oscillator 2, flexure strip 3, axle 4, spring 5, lead-in wire 6, housing 7, magnet steel 8, micro-vibration electric organ 9, super capacitor 10, projector 11.
The specific embodiment:
The invention will be further described below in conjunction with embodiment and accompanying drawing.As shown in the figure,
Embodiment 1: this passive tyre pressure monitoring system, mainly comprise micro-vibration electric organ 9 and super capacitor 10, micro-vibration electric organ 96 is in parallel with one group of super capacitor and is connected by going between, and projector 11 is connected by same being in parallel with this group super capacitor that go between.Wherein said micro-vibration electric organ 9 is connected with wheel bonded assembly axle 4 by flexure strip 3 by four oscillators 2 of one group of five equilibrium that magnet steel is made; One side of oscillator 2 is provided with one group of four the high-intensity coil 1 that is mated, and coil 16 is connected with super capacitor by going between.
Principle of work: produce the vertical direction shake when wheel rolling, oscillator 2 magnet steel can absorb the vibration of horizontal or vertical direction, and shake produces axial vibration, and sectioned coil 1 produces electromotive force.Charge to electric capacity by lead-in wire.When galloping, vehicle wheel rotational speed is higher, and oscillator 2 has big centnifugal force, and spring will produce the centnifugal force of bigger compression with balance vibrators 2.But can make oscillator 2 equal excited vibrations when low speed, the high speed by the design of rational calculating and spring.
Embodiment 2: difference from Example 1 is, described micro-vibration electric organ 9 mainly comprises housing 7, in housing 7, be provided with magnet steel 8, be provided with 1, two group of coil 1 of two groups of high-intensity coils of being mated in the left and right sides of magnet steel 8 and 6 pick out outside the housing 7 by going between respectively; Be provided with two groups of springs 5, spring 5 one ends are connected with the upper and lower end face of magnet steel 8 respectively, and the other end is connected with the inwall of housing 7 respectively.Produce the vertical direction shake when wheel rolling, oscillator 5 magnets can absorb the vibration of horizontal or vertical direction, and shake produces axial vibration, and sectioned coil 1 produces electromotive force.Vibration is a ccasual, and each coil electromotive force phase place difference is so that each coil electromotive force need be distinguished rectification is just chargeable.
Super capacitor is a kind of passive device of batch manufacturing just in recent years, between battery and common electric capacity, big electric current fast charging and discharging characteristic with electric capacity, the energy storage characteristic that battery is also arranged simultaneously, and the repeated usage life-span is long, utilize the electronics between mobile conductor during discharge and do not rely on the chemical reaction release current, thereby provide power supply for equipment.
Super capacitor:
One, ultracapacitor characteristic:
A. volume is little, and capacity is big, and capacitance is than big 30 ~ 40 times with volume chemical capacitor capacity;
B. charging rate is fast, reaches 95% of rated capacity in 10 seconds;
C. charging and discharging capabilities is strong;
D. lost efficacy and open a way, over voltage does not puncture, and is safe and reliable;
E. extra long life was more than 400,000 hours;
F. it is simple to discharge and recharge circuit, need not the such charge circuit of rechargeable battery, really non-maintaining;
G. voltage type: 2.7v---12.0v
H. range of capacity: 0.1F--1000F
Two, super capacitor and battery relatively have following characteristic:
A. ultralow series equivalent resistance LOW ESR, power density (Power Density) is more than tens of times of lithium ion battery, is fit to heavy-current discharge, one piece of 4.7F electric capacity can discharge more than the immediate current 18A.
B. extra long life discharges and recharges greater than 500,000 times, is 500 times of Li-Ion battery, is Ni-MH and Ni-Cd battery 1000 times.
C. can large current charge, the time that discharges and recharges is short, charge circuit is required simple, memory-less effect.
D. non-maintaining, salable.
E. range of temperatures is wide-40 ℃～+ 70 ℃, and general battery is-20 ℃～60 ℃.
Super capacitor can provide the momentary pulse electric current, can provide electric power in the short time, and response is fast, and these characteristics are just in time catered to the requirement of the sensor gap formula pulsed discharge that is contained among the TPMS on the tire.Press relevant data and calculate, sensor sends the required electric energy of signal only for about 2 * 10 at every turn
-3J, and the energy storage that capacity is the super capacitor of 1F2.5V after being full of is 3J, available 1500 times.If electric organ average output current 5mA, voltage 2.5V disregards loss, and 6 send energy in wonderful can send signal 35 times for sensor.Therefore, super capacitor 1F can be used as the sensor ideal source, might make probe power micro-miniaturisation, non-maintaining and long life.
Design objective
The speed of a motor vehicle: 30～150km/h
Average output voltage 〉=2.5V
Average output current 〉=5mA
Design life: 〉=10 years
Size: 2 * 2cm.
Claims (4)
1, a kind of passive tyre pressure monitoring system, mainly comprise micro-vibration electric organ (9), it is characterized in that: micro-vibration electric organ (9) is in parallel with one group of super capacitor (10) by lead-in wire (6) and is connected, and projector (11) is connected by same being in parallel with this group super capacitor (10) of lead-in wire (6).
2, passive tyre pressure monitoring system according to claim 1 is characterized in that: one group of oscillator (2) that described micro-vibration electric organ (9) is made by magnet steel is connected with wheel bonded assembly axle (4) by flexure strip (3); One side of oscillator (2) is provided with the one group of high-intensity coil (1) that is mated, and coil (1) is connected with super capacitor (10) by lead-in wire (6).
3, passive tyre pressure monitoring system according to claim 1 is characterized in that: be provided with four oscillators (2) of five equilibrium and four coils (1) that match.
4, passive tyre pressure monitoring system according to claim 1, it is characterized in that: described micro-vibration electric organ (9) mainly comprises housing (7), in housing (7), be provided with magnet steel (8), be provided with the two groups of high-intensity coils (1) that are mated in the left and right sides of magnet steel (8), two groups of coils (1) pick out outside the housing (7) by lead-in wire (6) respectively; Be provided with two groups of springs (5), spring (5) one ends are connected with the upper and lower end face of magnet steel (8) respectively, and the other end is connected with the inwall of housing (7) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100618823A CN100344469C (en) | 2005-12-07 | 2005-12-07 | Passive tyre pressure monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100618823A CN100344469C (en) | 2005-12-07 | 2005-12-07 | Passive tyre pressure monitoring system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1775575A true CN1775575A (en) | 2006-05-24 |
| CN100344469C CN100344469C (en) | 2007-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100618823A Expired - Fee Related CN100344469C (en) | 2005-12-07 | 2005-12-07 | Passive tyre pressure monitoring system |
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| Country | Link |
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| CN (1) | CN100344469C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106945473A (en) * | 2016-10-31 | 2017-07-14 | 湖北文理学院 | Centrifugal force magneto-electric tire pressure detects circuit electric supply installation |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0746057Y2 (en) * | 1986-08-30 | 1995-10-18 | 株式会社東海理化電機製作所 | Power generator |
| CN1092330C (en) * | 1998-12-16 | 2002-10-09 | 黄添财 | Radio tyre-pressure detector |
| DE10301192A1 (en) * | 2003-01-15 | 2004-07-29 | Robert Bosch Gmbh | Electrical power supply to a tire pressure sensor is provided by voltage induced in coil when wheel rotates |
| CN2742667Y (en) * | 2004-11-04 | 2005-11-23 | 何崇中 | Micro vibration generator |
| CN2879506Y (en) * | 2005-12-07 | 2007-03-14 | 何崇中 | Passive tyre-pressure monitoring system |
-
2005
- 2005-12-07 CN CNB2005100618823A patent/CN100344469C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106945473A (en) * | 2016-10-31 | 2017-07-14 | 湖北文理学院 | Centrifugal force magneto-electric tire pressure detects circuit electric supply installation |
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| Publication number | Publication date |
|---|---|
| CN100344469C (en) | 2007-10-24 |
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