CN202623814U - Tire pressure alarm self-powered device - Google Patents
Tire pressure alarm self-powered device Download PDFInfo
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- CN202623814U CN202623814U CN 201220221098 CN201220221098U CN202623814U CN 202623814 U CN202623814 U CN 202623814U CN 201220221098 CN201220221098 CN 201220221098 CN 201220221098 U CN201220221098 U CN 201220221098U CN 202623814 U CN202623814 U CN 202623814U
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- 239000003990 capacitor Substances 0.000 claims description 23
- 230000005611 electricity Effects 0.000 claims description 18
- 238000004804 winding Methods 0.000 claims description 18
- 239000000126 substance Substances 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000033228 biological regulation Effects 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 abstract description 9
- 230000006641 stabilisation Effects 0.000 abstract description 3
- 238000011105 stabilization Methods 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
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- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of tire pressure alarm devices of vehicles, and discloses a tire pressure alarm self-powered device. The tire pressure alarm self-powered supply device comprises a magnetic coil generation module, a rectification filter circuit and a voltage stabilization filter circuit, wherein the magnetic coil generation module generates induced electromotive force when vehicle wheels rotate and carries out voltage stabilization and filter to provide required current and voltage for an internal tire pressure emission part of a tire. The tire pressure alarm self-powered device disclosed by the utility model has the advantages of having a simple circuit structure, being easy to implement, ensuring the operation stability of a tire pressure monitoring system, improving the travel safety and the like.
Description
Technical field
The utility model relates to vehicle tyre pressure warning device technical field, relates in particular to a kind of tire pressure warning self-power supply device, applicable to passive system for monitoring pressure in tyre.
Background technology
The system for monitoring pressure in tyre of vehicle (TPMS); When being used for vehicle ' tire pressure is monitored; To tire in the vehicle ' because the pressure that causes of a variety of causes raises and real-time early warning is carried out in reduction; Remind the chaufeur people to guarantee traffic safety for adopting an effective measure, system for monitoring pressure in tyre (TPMS) generally is made up of tire monitoring modular and transmitter module, receiver module.
The most powered battery of using of the tire pressure warning device of in tire, installing at present; Because battery is installed on inside tires; Be not easy to battery is charged; Battery is in long-term intermittent discharge state, does not have enough energy supplements, therefore exist shorten service life, the tire pressure monitoring data can not real-time report etc. deficiency.Like application number be: 200710178072.5 Chinese invention patent; Name is called " inductance coupling interval power supply device "; What it adopted is high-frequency resonant magnetic induction coupling principle; The radiating portion and the receiving unit of coupling need mounted in pairs, and mounting distance is had strict demand, and are subject to disturb and near electric equipment is produced radio-frequency interference.
And for example application number is 201110129673; Name is called the Chinese invention patent of " automobile tire pressure monitoring system is used the piezoelectric self-powersupply device "; Its piezoelectric self-powersupply device can convert the mechanical energy in the automobile sport to electric energy in real time, and the piezoelectric vibrator that this piezoelectric self-powersupply device adopts is that the cantilever plane of cantilever design and piezoelectric vibrator had not only paralleled with wheel shaft but also perpendicular with the wheel rolling direction, and its structure configuration requirement is higher; Under the operating mode of jolting of vehicle ', reliability is not enough.
The utility model content
The purpose of the utility model provides a kind of tire pressure warning self-power supply device; The magnetic moving winding electricity generation module that in wheel, is provided with when utilizing wheel revolutions produces induced electromotive force, can report to the police for tire pressure required voltage and current is provided, and circuit structure is simple; Implement easily; To the tire pressure warning device stable power is provided, has guaranteed the working stability of tire pressure monitoring system, improve travel safety.
In order to realize above-mentioned design goal, the scheme that the utility model adopts is following:
A kind of tire pressure warning self-power supply device comprises magnetic moving winding electricity generation module, current rectifying and wave filtering circuit and filter circuit of pressure-stabilizing, and wherein magnetic moving winding electricity generation module connects current rectifying and wave filtering circuit, connects filter circuit of pressure-stabilizing behind the rectifying and wave-filtering.
Preferably, magnetic moving winding electricity generation module is made up of permanent-magnet steel and coil.
Preferably, magnetic moving winding electricity generation module utilizes the magnetic line of force of coil magnet steel moving magnetic field.
Preferably, current rectifying and wave filtering circuit comprises bridge rectifier circuit, chemical capacitor, electric capacity, and bridge rectifier circuit carries out rectification to the induced electromotive force that magnetic moving winding electricity generation module produces, and through chemical capacitor, capacitor filtering.Bridge rectifier circuit uses a diode at least, and combines to constitute filtering with at least one electric capacity.
Preferably, filter circuit of pressure-stabilizing comprises the voltage regulation filtering device, and the voltage regulation filtering device is made up of linear voltage regulator or three terminal regulator, chemical capacitor, electric capacity.After carrying out voltage stabilizing by linear voltage regulator or three terminal regulator, be connected to chemical capacitor, the filtering once more of electric capacity two ends.
Preferably, linear voltage regulator or three terminal regulator are provided with input end, mouth, live end.
The tire pressure warning self-power supply device of the utility model comprises the combination in any of above various features.
The tire pressure warning self-power supply device beneficial effect of the utility model is: the magnetic moving winding electricity generation module that in wheel, is provided with when utilizing wheel revolutions produces induced electromotive force; Behind the filtering current stabilization, can report to the police for tire pressure required burning voltage and electric current is provided, it is simple to have a circuit structure; Implement easily; To the tire pressure warning device stable power is provided, has guaranteed the working stability of tire pressure monitoring system, the advantage of raising travel safety etc.
Description of drawings
Fig. 1 is the circuit diagram according to a preferred embodiment of the tire pressure warning self-power supply device of the utility model.
Reference numeral is: magnetic moving winding electricity generation module A, current rectifying and wave filtering circuit B, filter circuit of pressure-stabilizing C, permanent-magnet steel SN, coil L, bridge rectifier circuit Q1, chemical capacitor C1, capacitor C 3, linear voltage regulator or three terminal regulator IC1, chemical capacitor C2, capacitor C 4, voltage output end VCC, ground terminal GND.
The specific embodiment
Below in conjunction with accompanying drawing the content of the utility model is described, following description only is exemplary and indicative, any restriction should not arranged to the protection domain of the utility model.
A kind of tire pressure warning self-power supply device, as shown in Figure 1, comprise magnetic moving winding electricity generation module A, current rectifying and wave filtering circuit B and filter circuit of pressure-stabilizing C, wherein magnetic moving winding electricity generation module A connects current rectifying and wave filtering circuit B, connects filter circuit of pressure-stabilizing C behind the rectifying and wave-filtering.
Magnetic moving winding electricity generation module A is made up of permanent-magnet steel SN and coil L.It utilizes the magnetic line of force of coil magnet steel moving magnetic field.
Current rectifying and wave filtering circuit B comprises bridge rectifier circuit Q1, chemical capacitor C1, capacitor C 3, and bridge rectifier circuit Q1 carries out rectification to the induced electromotive force that magnetic moving winding electricity generation module A produces, and through chemical capacitor C1, capacitor C 3 filtering.Bridge rectifier circuit Q1 uses a diode at least, and combines to constitute filtering with at least one electric capacity.
Filter circuit of pressure-stabilizing C comprises the voltage regulation filtering device, and the voltage regulation filtering device is made up of linear voltage regulator or three terminal regulator IC1, chemical capacitor C2, capacitor C 4.After carrying out voltage stabilizing by linear voltage regulator or three terminal regulator IC1, be connected to chemical capacitor C2, the filtering once more of capacitor C 4 two ends.Linear voltage regulator or three terminal regulator IC1 are provided with input end 1 end, mouth 3 ends, live end 2 ends.Be added to 1 and 2 ends of three terminal regulator IC1 among Fig. 1 through C1, the filtered vdc of C3, by three terminal regulator IC1 carry out being connected respectively to C2 after the voltage stabilizing, filtering is once more carried out at the C4 two ends.
The tire pressure warning self-power supply device of the utility model comprises the combination in any of above various features.
Principle of work: utilize magnet steel motion feature in the stationary coil, the magnetic line of force of coil cutting magnetic field and produce induced electromotive force, the height of induced electromotive force is directly proportional with the magnet steel kinematic velocity; Magnetic moving winding electricity generation module A produces induced electromotive force among Fig. 1; And connect current rectifying and wave filtering circuit B, after current rectifying and wave filtering circuit B carries out rectifying and wave-filtering, connect filter circuit of pressure-stabilizing C filtering once more; Obtain stable current/voltage, constitute a complete a kind of tire pressure warning self-power supply device by A, B, C.
Embodiment recited above describes the preferred implementation of the utility model; Be not that the utility model scope is limited; Design under the spiritual prerequisite not breaking away from the utility model; Various distortion and improvement that the common engineering staff in this area make the technical scheme of the utility model all should fall in the protection domain that claims of the utility model confirm.
Those skilled in the art are not difficult to find out equally; The present invention is improvements over the prior art; It is the combination of these key elements of the prior art being carried out for the technical matters that exists in the solution prior art; This combination a large amount of creative work that condensed is the crystallization of a large amount of theoretical investigationes of contriver and scientific experiment.Before not reading the present invention, those skilled in the art obviously are not easy to expect each scheme of the present invention, and after having read this specification sheets, those skilled in the art needn't pay creative work again can realize basic technical scheme of the present invention.
Claims (6)
1. tire pressure warning self-power supply device; It is characterized in that; It comprises magnetic moving winding electricity generation module A, current rectifying and wave filtering circuit B and filter circuit of pressure-stabilizing C, and wherein said magnetic moving winding electricity generation module A connects said current rectifying and wave filtering circuit B, connects said filter circuit of pressure-stabilizing C behind the rectifying and wave-filtering.
2. tire pressure warning self-power supply device as claimed in claim 1 is characterized in that, said magnetic moving winding electricity generation module A is made up of permanent-magnet steel SN and coil L.
3. according to claim 1 or claim 2 tire pressure warning self-power supply device is characterized in that described magnetic moving winding electricity generation module A utilizes the magnetic line of force of coil magnet steel moving magnetic field.
4. tire pressure warning self-power supply device as claimed in claim 1; It is characterized in that; Said current rectifying and wave filtering circuit B comprises bridge rectifier circuit Q1, chemical capacitor C1, capacitor C 3; Said bridge rectifier circuit Q1 carries out rectification to the induced electromotive force that said magnetic moving winding electricity generation module A produces, and through said chemical capacitor C1,3 filtering of said capacitor C, said bridge rectifier circuit Q1 uses a diode at least.
5. tire pressure warning self-power supply device as claimed in claim 1 is characterized in that said filter circuit of pressure-stabilizing C comprises the voltage regulation filtering device, and said voltage regulation filtering device is made up of linear voltage regulator or three terminal regulator IC1, chemical capacitor C2, capacitor C 4.
6. tire pressure warning self-power supply device as claimed in claim 5 is characterized in that, described three terminal regulator IC1 is provided with input end 1 end, mouth 3 ends, live end 2 ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220221098 CN202623814U (en) | 2012-05-17 | 2012-05-17 | Tire pressure alarm self-powered device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220221098 CN202623814U (en) | 2012-05-17 | 2012-05-17 | Tire pressure alarm self-powered device |
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| Publication Number | Publication Date |
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| CN202623814U true CN202623814U (en) | 2012-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220221098 Expired - Lifetime CN202623814U (en) | 2012-05-17 | 2012-05-17 | Tire pressure alarm self-powered device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103560683A (en) * | 2013-09-11 | 2014-02-05 | 昆山新金福精密电子有限公司 | Voltage-stabilizing power supply |
| CN104786754A (en) * | 2014-01-22 | 2015-07-22 | 纳米新能源（唐山）有限责任公司 | self-powered tire pressure monitoring system |
| CN105989645A (en) * | 2015-02-04 | 2016-10-05 | 鸿富锦精密工业（深圳）有限公司 | Intelligent power-free key, access-control unlocking system and access-control unlocking method thereof |
| CN108394237A (en) * | 2017-02-22 | 2018-08-14 | 唐山首星机械设备有限公司 | A kind of new power generating system to be generated electricity using deformations of tyre |
| CN108879974A (en) * | 2017-05-16 | 2018-11-23 | 西南大学 | A kind of wireless power supply system of automobile intelligent tire |
-
2012
- 2012-05-17 CN CN 201220221098 patent/CN202623814U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103560683A (en) * | 2013-09-11 | 2014-02-05 | 昆山新金福精密电子有限公司 | Voltage-stabilizing power supply |
| CN104786754A (en) * | 2014-01-22 | 2015-07-22 | 纳米新能源（唐山）有限责任公司 | self-powered tire pressure monitoring system |
| CN104786754B (en) * | 2014-01-22 | 2017-06-30 | 纳米新能源（唐山）有限责任公司 | A kind of self-powered pressure of tire monitoring system |
| CN105989645A (en) * | 2015-02-04 | 2016-10-05 | 鸿富锦精密工业（深圳）有限公司 | Intelligent power-free key, access-control unlocking system and access-control unlocking method thereof |
| CN108394237A (en) * | 2017-02-22 | 2018-08-14 | 唐山首星机械设备有限公司 | A kind of new power generating system to be generated electricity using deformations of tyre |
| CN108879974A (en) * | 2017-05-16 | 2018-11-23 | 西南大学 | A kind of wireless power supply system of automobile intelligent tire |
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