CN2879506Y - Passive tyre-pressure monitoring system - Google Patents
Passive tyre-pressure monitoring system Download PDFInfo
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- CN2879506Y CN2879506Y CN 200520117063 CN200520117063U CN2879506Y CN 2879506 Y CN2879506 Y CN 2879506Y CN 200520117063 CN200520117063 CN 200520117063 CN 200520117063 U CN200520117063 U CN 200520117063U CN 2879506 Y CN2879506 Y CN 2879506Y
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Abstract
The present utility model relates to a passive tyre-pressure monitoring system comprising mainly a minitype vibration generator connected in parallel to a group of super capacitors through a down-lead. Said minitype vibration generator is connected to a shaft connected to cartwheels through an elastic slice through a group of oscillators made from alnico; each oscillator is equipped with a group of loops with high strength matching therewith at its one side, and the loops are connected to the super capacitors through down-leads; four divided equally oscillators and four matching loops are set. The benefical effects generated in accordance with the present utility model are that: the vibration mechanical energy generated by running tyres is converted into electric energy to charge super capacitors for a storing by the minitype vibration generator utilizing principle of electromagnetic induction, the oscillators are capable of generating vibration potential with rotating tyres and being processed into frictionness part, said system has a long service time and a simple structure and is really maintenance-free.
Description
Technical field
The utility model 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
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 centrifugal force, and spring will produce the centrifugal 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.
The utility model content
The purpose of this utility model 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 utility model is finished 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 reflector 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 by the axle that flexure strip is connected with wheel; 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 beneficial effects of the utility model are: 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 configuration schematic diagram of the present utility model;
Fig. 2 is the structural representation of the utility model embodiment 1;
Fig. 3 is the structural representation of the utility model embodiment 2;
Fig. 4 is a principle schematic of the present utility model;
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, reflector 11.
Embodiment:
The utility model is described in further detail 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 reflector 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 by the axle 4 that flexure strip 3 is connected with wheel 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.
Operation principle: 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 centrifugal force, and spring will produce the centrifugal 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 at random, 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 just producing in batches 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 it is long to reuse the life-span, 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 electrochemical 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, overvoltage 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 charging 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, charging circuit is required simple, memory-less effect.
D. non-maintaining, salable.
E. temperature range 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, transducer 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 transducer.Therefore, super capacitor 1F can be used as the transducer ideal source, might make probe power microminiaturization, 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
Designed 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 reflector (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 by the axle (4) that flexure strip (3) is connected with wheel; 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 |
|---|---|---|---|
| CN 200520117063 CN2879506Y (en) | 2005-12-07 | 2005-12-07 | Passive tyre-pressure monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520117063 CN2879506Y (en) | 2005-12-07 | 2005-12-07 | Passive tyre-pressure monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2879506Y true CN2879506Y (en) | 2007-03-14 |
Family
ID=37861924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520117063 Expired - Lifetime CN2879506Y (en) | 2005-12-07 | 2005-12-07 | Passive tyre-pressure monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2879506Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100344469C (en) * | 2005-12-07 | 2007-10-24 | 何崇中 | Passive tyre pressure monitoring system |
-
2005
- 2005-12-07 CN CN 200520117063 patent/CN2879506Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100344469C (en) * | 2005-12-07 | 2007-10-24 | 何崇中 | Passive tyre pressure monitoring system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20051207 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |