CN103036476A - Tire pressure energy supplying device based on tire pressure changes - Google Patents
Tire pressure energy supplying device based on tire pressure changes Download PDFInfo
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- CN103036476A CN103036476A CN 201210514343 CN201210514343A CN103036476A CN 103036476 A CN103036476 A CN 103036476A CN 201210514343 CN201210514343 CN 201210514343 CN 201210514343 A CN201210514343 A CN 201210514343A CN 103036476 A CN103036476 A CN 103036476A
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Abstract
The invention discloses a tire pressure energy supplying device based on tire pressure changes. The tire pressure energy supplying device based on the tire pressure changes comprises an elastic air bag 1, a piezoelectric vibration membrane 2, a membrane upper surface electrode connecting line 3, a membrane lower surface electrode connecting line 4, a fixed point 5 and an air tap 6. The tire pressure energy supplying device is simple in structure and capable of collecting electric energy from the changes of tire pressure through the elastic air bag and the piezoelectric vibration membrane, achieves energy supplying of the tire pressure, and does not cause mechanical influence on tires.
Description
Technical field
What the present invention relates to is the tire pressure power supply device in a kind of vehicle power generation energy supply field, specifically a kind of tire pressure power supply device that changes based on tire pressure.
Background technology
In recent years, along with the research and development of vehicle power generation energy supply are more and more paid attention to, particularly can adapt to the problem of different application background, environmental protection.Traditional vehicle power generation energy supply includes mechanical driving device, and as energy source, the generating efficiency of this mode is very low for the variation of using tire pressure, and failure rate and maintenance rate are all higher, have been subject in actual applications certain restriction.
China application number CN 201110259455.1, application publication number CN 102338053 A, a kind of tire pressure power generating mechanism is disclosed in this patent, these technical scheme main points are, comprise tire body be provided be divided at least two sections and the sealing pressure chamber, every section pressure chamber is equipped with piston component, piston component comprises piston cylinder, piston and piston rod, the other end in the piston rod relative pressure chamber of the piston component transmission component that has been connected, the transmission component generator gear that has been connected, generator gear is connected with generator, and generator is connected with and send electric assembly.Although this method can be generated electricity, system's relative complex, some loss of energy is in machine driving, and generating efficiency is restricted.
China application number CN 201110035645.5, application publication number CN 102192113 A, a kind of elastic trigger piezoelectric device and application thereof are disclosed in this patent, to be connected be positioned at wheel rim on wheel rim on the tire end A of spring end, other end B end is connected with an end of call wire, make in the tire energy of gas pressure change mechanical energy into and be stored in the spring that is in compressive state, the spring that the weight-driven that contact with ground is in compressive state discharges mechanical energy and goes to provide electric energy to piezoelectric element contact generation output charge.This method has been utilized the energy generating of tire rolling, but direct collection is not the energy that changes owing to tire pressure, and may cause mechanical damage to tire, can be subject to certain restrictions in actual applications.
To sum up, although the vehicle power generation energy supply has obtained certain research, have no the tire pressure power supply device that report changes based on tire pressure in the document.
Summary of the invention
The present invention is directed to the prior art above shortcomings, a kind of tire pressure power supply device that changes based on tire pressure is provided, can be the Conversion of Energy that inside tires pressure changes electric energy by this device, realizes the tire pressure energy supply.
The present invention is achieved by the following technical solutions, the present invention includes: elastic bag, piezoelectric vibration film, film upper surface electrode line, film lower surface electrode line, fixing point, valve.
Described elastic bag refers to the enclosed elastic device with certain internal pressure of a sealing.
The volume of described elastic bag is the 0.1-60% of inside tires volume.
The pressure of described elastic bag is the 20-300% of inside tires pressure.
The thickness of the airbag wall of described elastic bag is the 0.01-20 millimeter.
The shape of described elastic bag can be adjusted as required, not contact as criterion with tire wall.
Described piezoelectric vibration film is the film with piezoelectric properties, is typically Kynoar (PVDF).
Described piezoelectric vibration film is close to the elastic bag surface, and the distance between the two is the 0.1-800 micron.
The thickness of described piezoelectric vibration film is the 0.1-3000 micron.
Described piezoelectric vibration film upper and lower surface has the electrode tie point, is used for connecting the electrode connecting line on the upper and lower surface of film.
Shape and the quantity of the electrode tie point of described piezoelectric vibration film upper and lower surface can design as required.
Described film upper surface electrode line refers to connect the electrode connecting line of piezoelectric vibration film upper surface.
Quantity and the diameter of described film upper surface electrode line can be adjusted as required.
Described film lower surface electrode line refers to connect the electrode connecting line of piezoelectric vibration film lower surface.
Quantity and the diameter of described film lower surface electrode line can be adjusted as required.
Described fixing point is the module that handle assembly is fixed on the tire center.
Described valve is the module that tire is used for inflating.
The internal layer of described valve and outer layer insulation, internal layer with outer respectively as the tie point of the electrode connecting line on the upper and lower surface of film, delivery of electrical energy to outside tires.
When vehicle take-offs, tire internal air pressure can change along with the variation of road conditions.The inside total amount of the elastic bag of inside tires is fixed, and when tire internal air pressure changed, the volume of elastic bag can change thereupon, thereby drives piezoelectric vibration film generation deformation, produces potential difference.Electrode connecting line by upper and lower surface is drawn inside tires to electric energy from valve, for consuming parts.
To sum up, the present invention is simple in structure, can use elastic bag and piezoelectric vibration film to gather electric energy from the variation of tire pressure, realizes the tire pressure energy supply.
Description of drawings
Fig. 1 is structural representation of the present invention.
Embodiment
The below elaborates to embodiments of the invention, and the present embodiment is implemented under take technical solution of the present invention as prerequisite, provided detailed execution mode and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As shown in Figure 1, the described tire pressure power supply device that changes based on tire pressure of the present embodiment comprises: elastic bag 1, piezoelectric vibration film 2, film upper surface electrode line 3, film lower surface electrode line 4, fixing point 5, valve 6.
In the present embodiment, described elastic bag 1 refers to the enclosed elastic device with certain internal pressure of a sealing.
In the present embodiment, the volume of described elastic bag 1 is the 0.1-60% of inside tires volume.
In the present embodiment, the pressure of described elastic bag 1 is the 20-300% of inside tires pressure.
In the present embodiment, the thickness of the airbag wall of described elastic bag 1 is the 0.01-20 millimeter.
In the present embodiment, the shape of described elastic bag 1 can be adjusted as required, not contact as criterion with tire wall.
In the present embodiment, described piezoelectric vibration film 2 is the films with piezoelectric properties, is typically Kynoar (PVDF).
In the present embodiment, described piezoelectric vibration film 2 is close to the elastic bag surface, and the distance between the two is the 0.1-800 micron.
In the present embodiment, the thickness of described piezoelectric vibration film 2 is the 0.1-3000 micron.
In the present embodiment, described piezoelectric vibration film 2 upper and lower surfaces have the electrode tie point, are used for connecting the electrode connecting line on the upper and lower surface of film.
In the present embodiment, shape and the quantity of the electrode tie point of described piezoelectric vibration film 2 upper and lower surfaces can design as required.
In the present embodiment, described film upper surface electrode line 3 refers to connect the electrode connecting line of piezoelectric vibration film upper surface.
In the present embodiment, quantity and the diameter of described film upper surface electrode line 3 can be adjusted as required.
In the present embodiment, described film lower surface electrode line 4 refers to connect the electrode connecting line of piezoelectric vibration film lower surface.
In the present embodiment, quantity and the diameter of described film lower surface electrode line 4 can be adjusted as required.
In the present embodiment, described fixing point 5 is modules that handle assembly is fixed on the tire center.
In the present embodiment, described valve 6 is modules that tire is used for inflating.
In the present embodiment, the internal layer of described valve 6 and outer layer insulation, internal layer with outer respectively as the tie point of the electrode connecting line on the upper and lower surface of film, delivery of electrical energy to outside tires.
The operation principle of the present embodiment is:
When vehicle take-offs, tire internal air pressure can change along with the variation of road conditions generally speaking, and the volume of inside tires also can change.But the internal gas total amount in the elastic bag of inside tires is fixed, and when tire internal air pressure changed, the volume of elastic bag can change thereupon, thereby drives piezoelectric vibration film generation deformation, produces potential difference.Then by the electrode connecting line on upper and lower surface electric energy is drawn inside tires from valve, for consuming parts.Concrete connected mode is: the electrode connecting line on upper and lower surface connects respectively the internal layer of valve with outer, and then from the valve position delivery of electrical energy to the electricity consumption module.
As shown in table 1, it is as shown in the table for the application request of the present embodiment.
Table 1 is based on one group of modular design parameter of the tire pressure power supply device of tire pressure variation
| The volume of elastic bag is the percentage of inside tires volume | 15% |
| The pressure of elastic bag is the percentage of inside tires pressure | 150% |
| The thickness of the airbag wall of elastic bag (millimeter) | 2 |
| The thickness of piezoelectric vibration film (micron) | 10 |
To sum up, utilize this can use elastic bag and piezoelectric vibration film from the variation of tire pressure, to gather electric energy based on the tire pressure power supply device of tire pressure variation, realize the tire pressure energy supply, and tire is not caused mechanical impact.
Although content of the present invention has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple modification of the present invention with to substitute all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (10)
1. tire pressure power supply device that can change based on tire pressure, described device comprises: elastic bag 1, piezoelectric vibration film 2, film upper surface electrode line 3, film lower surface electrode line 4, fixing point 5, valve 6.
2. the tire pressure power supply device that can change based on tire pressure according to claim 1, it is characterized in that, described elastic bag refers to the enclosed elastic device with certain internal pressure of a sealing, and the volume of elastic bag is the 0.1-60% of inside tires volume.
3. according to claim 1 can it is characterized in that based on the tire pressure power supply device of tire pressure variation, the pressure of described elastic bag is the 20-300% of inside tires pressure.
4. according to claim 1 can it is characterized in that based on the tire pressure power supply device of tire pressure variation, the thickness of the airbag wall of described elastic bag is the 0.01-20 millimeter.
5. according to claim 1 can it is characterized in that based on the tire pressure power supply device of tire pressure variation, described piezoelectric vibration film is the film with piezoelectric properties, is typically Kynoar (PVDF).
6. according to claim 1 can it is characterized in that based on the tire pressure power supply device of tire pressure variation, described piezoelectric vibration film is close to the elastic bag surface, and the distance between the two is the 0.1-800 micron.
7. according to claim 1 can it is characterized in that based on the tire pressure power supply device of tire pressure variation, the thickness of described piezoelectric vibration film is the 0.1-3000 micron.
8. the tire pressure power supply device that can change based on tire pressure according to claim 1, it is characterized in that, described piezoelectric vibration film upper and lower surface has the electrode tie point, be used for connecting the electrode connecting line on the upper and lower surface of film, and the shape of the electrode tie point of upper and lower surface and quantity can design as required.
9. the tire pressure power supply device that can change based on tire pressure according to claim 1, it is characterized in that, piezoelectric vibration film upper and lower surface electrode connecting line, be used for connecting the electrode connecting line point on the upper and lower surface of film, and the diameter of the electrode connecting line of upper and lower surface and quantity can design as required.
10. according to claim 1 can it is characterized in that based on the tire pressure power supply device of tire pressure variation, described fixing point is the module that handle assembly is fixed on the tire center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210514343 CN103036476A (en) | 2012-12-05 | 2012-12-05 | Tire pressure energy supplying device based on tire pressure changes |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210514343 CN103036476A (en) | 2012-12-05 | 2012-12-05 | Tire pressure energy supplying device based on tire pressure changes |
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| CN103036476A true CN103036476A (en) | 2013-04-10 |
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| CN 201210514343 Pending CN103036476A (en) | 2012-12-05 | 2012-12-05 | Tire pressure energy supplying device based on tire pressure changes |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114590081A (en) * | 2022-03-17 | 2022-06-07 | 山东理工大学 | Self-generating tire with protection function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114590081A (en) * | 2022-03-17 | 2022-06-07 | 山东理工大学 | Self-generating tire with protection function |
| CN114590081B (en) * | 2022-03-17 | 2024-02-20 | 山东理工大学 | Self-generating tire with protection function |
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Application publication date: 20130410 |