CN2889761Y - Automotive tyre deformation induced electrogeneous device - Google Patents
Automotive tyre deformation induced electrogeneous device Download PDFInfo
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- CN2889761Y CN2889761Y CN 200520047991 CN200520047991U CN2889761Y CN 2889761 Y CN2889761 Y CN 2889761Y CN 200520047991 CN200520047991 CN 200520047991 CN 200520047991 U CN200520047991 U CN 200520047991U CN 2889761 Y CN2889761 Y CN 2889761Y
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Abstract
The utility model discloses a power generation device utilizing automobile tyre deformation, which is installed between the wheel rim and internal surface of tyre. The utility model is characterized in that the power installation comprises a pedestal, an outer cover, an internal sleeve, a magnet, an elastic body, and a coil, wherein the pedestal is fixed on the wheel rim; the outer cover is sheathed on the mouth portion of the pedestal, and the top of the outer cover abuts against the internal surface of tyre; the internal sleeve is provided inside the pedestal; the magnet is embedded inside the internal sleeve; the elastic body is sheathed outside the internal sleeve; and the coil is winded around the low part of the internal sleeve and adjacent to the bottom of the magnet. The device can utilize the deformation of tyre due to the self-weight of automobiles to generate electric energy during the steering process of the automobiles. As long as the automobile is steering, the coil can generate continuous current.
Description
Technical field
The utility model relates to a kind of device that utilizes the miniature deformation generating, relates in particular to a kind of generating apparatus caused by automobile tyre deformation.
Background technology
The automotive tire pressure supervisory system is called for short TPMS, i.e. " Tire Pressure MonitoringSystem ", be mainly used in when running car, in time tire pressure is monitored automatically, cause low tire pressure and the high tire pressure runflat of high temperature to carry out early warning, guarantee traffic safety tire flat.
Usually, the automotive tire pressure supervisory system is made up of emission detection module (one on each tire) and reception display module ().Dissimilar system for monitoring pressure in tyre is specifically formed difference.
But, the TPMS emission detection module that mostly adopts the battery supply feed mode to make the tire pressure monitoring and sensing device is installed is able to normal operation in the market, and this mode makes the TPMS system life be subjected to very big restriction, and make its monitoring take periodic battery saving mode and can not air pressure be monitored in real time, and greatly influenced the weight and volume of TPMS tire inner module air pressure.
In order to address the above problem, someone has proposed the TPMS scheme of the full feed of piezoelectric ceramics, the principle of work that piezoceramic produces electric energy is positive piezoelectric converse effect, piezoceramic can produce a considerable number of electric charge by piezoeffect under stress, on operation material, set up very high electromotive force, can export no small electrostatic energy, in fact constitute a piezoelectric power supplies.
(active TPMS is a kind of among the direct-type TPMS to piezoceramic at existing active TPMS, its utilizes what be installed in that each takes turns tyre cavity is the air pressure that the pressure sensor of power supply is directly measured tire with the lithium ion battery) improvement on the basis, solved the problem of battery, and the electricity generation module application surface is very wide.But piezoceramic can deformation number of times limited, generally be hundreds of thousands of at present.Suppose that car day travels 100 kilometers, radius of wheel is 0.3 meter, and girth is 1.88 meters, and then every day, tyre rotation 100*1000/1.88=53191 enclosed, piezoceramic deformation just 53191 times.By the technical merit of present piezoceramic, piezoelectric power supplies can use about 10 days, or car travels 1000 kilometers.With regard to present technology, also has distance from practicality.
The utility model of Chinese patent application numbers 200410067821.3 discloses a kind of miniature vibration electric generator, its structure as shown in Figure 1, it mainly comprises housing 1, in housing, be provided with magnet steel 3, be provided with two groups of coils 2 that are mated in magnet steel 3 left and right sides, magnet steel about in the of 3 both ends of the surface be connected with the inwall up and down of housing 1 by two springs 4 respectively.When automobile pitched, this device can be converted to electric energy with the mechanical energy of vibration, was the charging of the compact electric apparatus in the automobile.
Though the miniature vibration electric generator of this utility model can be converted to electric energy with the mechanical energy of automobile vibration, but because the relation of road conditions, automobile in the process of moving, the frequency of vibration and the amplitude of vibration all are unpredictable, therefore the power supply that is produced by vibration will be interrupted and not have the cycle, and the failure-free power supply can't be provided for the TPMS of the real-time monitoring of needs.
Summary of the invention
The utility model is for problems such as life-span of solving existing above-mentioned TPMS, monitored density, weight and volumes, and proposes that a kind of long service life, volume are little, in light weight, the generating apparatus caused by automobile tyre deformation of power generation stabilization.
The technical scheme that the utility model is taked is: generating apparatus caused by automobile tyre deformation is installed between wheel rim and the tire inner surface; Be characterized in, comprise: base, enclosing cover, interior cover, magnet, elastic body, coil; Described base is connected on the wheel rim; Described enclosing cover is enclosed within the base oral area, and its top withstands on the tire inner surface place; Be set in the base in described; In overlapping in described magnet is embedded in; Described elastomer sleeve is outside interior cover; Cover bottom in described coil is wrapped in, adjacent with the magnet bottom.
Above-mentioned generating apparatus caused by automobile tyre deformation, wherein, described base epimere bilateral symmetry is provided with the osed top chute.
Above-mentioned generating apparatus caused by automobile tyre deformation, wherein, the magnet that driven was passed down through coil and is as the criterion when the length of described chute slided downwards with described enclosing cover.
Above-mentioned generating apparatus caused by automobile tyre deformation wherein, also comprises two locating dowel pins, passes through the chute of base epimere both sides and the bottom of described enclosing cover respectively and fixes; Described locating dowel pin can sliding in described chute up and down with enclosing cover.
Above-mentioned generating apparatus caused by automobile tyre deformation, wherein, described base epimere bilateral symmetry is provided with the osed top chute.
Above-mentioned generating apparatus caused by automobile tyre deformation, wherein, cover and interior down cover in described interior cover comprises, cover is fixed on the inside top of enclosing cover in described the going up, the permanent seat at formation magnet top; The described bottom of interior cover down is positioned at the section adjacent with the magnet bottom and is provided with upper and lower two circle raised lines, and described coil is wrapped in described two and encloses between the raised lines.
Above-mentioned generating apparatus caused by automobile tyre deformation, wherein, described elastic body is located between the top of going up the circle raised line of cover top portion inwall and interior cover.
Above-mentioned generating apparatus caused by automobile tyre deformation, wherein, described elastic body is made of spring.
Above-mentioned generating apparatus caused by automobile tyre deformation, wherein, the bottom of described base is adopted gluing or alternate manner is captiveed joint with wheel rim.
Behind the automobile starting, tyre in operation when the tire of magnet installation place is subjected to automotive dead weight and deformation caves inward, drives magnet and enters coil, and coil cutting magnetic line produces a pulse voltage; Tire when the magnet installation place no longer is subjected to automotive dead weight, then because the effect of air pressure inside recovers shape, drive magnet and withdraw from coil, coil cutting magnetic line produce one with the oppositely directed pulse voltage of pulse voltage last time.Automobile is in the process process of running at high speed, and tire whenever turns around, and magnet will pass and withdraw from coil once, therefore needs only automobile in the process of moving, and coil just can produce lasting electric current.
Owing to the utility model has adopted above technical scheme, start just energy uninterruptable power generation of back at car, its self-powered TPMS technology (no battery supply feed technology) can make TPMS system works life-span lower limit more than 20 years, reduces the cost of product greatly.
Description of drawings
Specific performance feature of the present utility model is further specified by following embodiment and accompanying drawing thereof.
Fig. 1 is Chinese patent application number 200410067821.3 disclosed miniature vibration electric generator structural representations.
Fig. 2 is that the utility model generating apparatus caused by automobile tyre deformation is installed in integral structure scheme drawing on the tire.
Fig. 3 is the utility model structural representation of the present utility model (under the general state) when tire surface does not contact with ground in running condition, and wherein: a is that the present invention is installed in the running condition figure in the tire, and b is the enlarged diagram of empty frame part among a.
Fig. 4 is the utility model structural representation of the present utility model when tire contacts with ground in running condition, and wherein: a is that the present invention is installed in the running condition figure in the tire, and b is the enlarged diagram of empty frame part among a.
The specific embodiment
See also Fig. 2.The utility model generating apparatus caused by automobile tyre deformation 10 is installed between wheel rim 20 and tire 30 inside faces.
See also Fig. 2.The utility model generating apparatus caused by automobile tyre deformation 10 comprises: base 11, enclosing cover 12, interior cover 13, magnet 14, elastic body 15, coil 16.Wherein base 11 is connected on the wheel rim 20; Enclosing cover 12 is enclosed within the oral area of base 11, and enclosing cover 12 tops withstand on tire 30 inside face places; Interior cover 13 is located in the base 11; Overlap in 13 in magnet 14 is embedded in; Overlap outside 13 in elastic body 15 is enclosed within; Cover 13 bottoms were adjacent with magnet 14 bottoms in coil 16 was wrapped in.Be provided with osed top chute 111 in base 11 epimere bilateral symmetry, the magnet that driven 14 was passed down through coil 16 and is as the criterion when the length of this chute 111 slided downwards with enclosing cover 12.
The utility model generating apparatus caused by automobile tyre deformation 10 also comprises two locating dowel pins 17, passes through the chute 111 of base 11 epimere both sides respectively and fixes with the bottom of enclosing cover 12.This locating dowel pin 17 can sliding in chute 111 up and down with enclosing cover 12.
Overlap 13 in being somebody's turn to do and comprise that interior cover 131 overlaps 132 with interior down.Cover 131 is fixed on the inside top of enclosing cover 12 in going up, and forms the permanent seat at magnet 14 tops; The bottom of cover 132 is positioned at the section adjacent with magnet 14 bottoms and is provided with upper and lower two circle raised lines 1321,1322 down, and coil 16 is wrapped between this two circles raised line.
The bottom of base 11 can be adopted gluing or alternate manner is captiveed joint with wheel rim 20.
Below describe electricity generating principle of the present utility model in detail:
Generating apparatus caused by automobile tyre deformation 10 is installed between wheel rim 20 and tire 30 inside faces, and base 11 sticks with glue or alternate manner is connected with wheel disappointed 20, and enclosing cover 12 withstands on tire 30 inside face places under the elastic force effect of spring body 15.When tire 30 surfaces of generating apparatus caused 10 installed positions do not contact with ground, because the magnet 14 in generating apparatus caused 10 is connected on the enclosing cover 12, enclosing cover 12 is at this moment owing to be subjected to the effect of the power of spring (elastic body) 15, make enclosing cover 12 withstand the inside face of tire 30, magnet 14 is in the upper end of coil 16, as shown in Figure 3.When tire 30 in motion process, tire 30 surfaces and the continuous conversion of ground contact portion, when tire 30 surfaces of generating apparatus caused 10 installed positions contacted with ground, tire 30 was out of shape with tire 30 meetings of contact position, ground owing to be subjected to the influence of automotive dead weight.Because the utility model withstands on tire 30 inside faces, the distortion of tire 30 will make enclosing cover 12 move along the wheel direction of principal axis, thereby drive magnet 14 motions.Magnet 14 will pass coil 16 gradually, cause the variation of the magnetic flow that passes coil 16 because magnet passes coil 16 motions, thereby make coil 16 produce a pulse voltage.When tire 30 because rotation, behind the tire 30 surperficial built on stilts of the utility model installed position, tire 30 is owing to the effect meeting of air pressure inside is restored automatically, this moment, enclosing cover 12 can withstand tire 30 inside faces always under the effect of the elastic force of spring (elastic body) 15, magnet 14 is owing to link together with enclosing cover, so magnet 14 also can be with enclosing cover 12 motions, this moment, magnet 14 moved to the reversing sense of motion before, magnet 14 withdraws from coil 16, this motion changes the magnetic flow that passes coil 16, thereby causes coil 16 generations one and the oppositely directed pulse voltage of pulse voltage last time.Automobile is in the process process of travelling, and tire 3 whenever turns around, and magnet 14 will pass and withdraw from coil 16 once, thus automobile in the process of moving coil 16 can produce lasting electric current.
Claims (8)
1, generating apparatus caused by automobile tyre deformation is installed between wheel rim and the tire inner surface; It is characterized in that, comprising: base, enclosing cover, interior cover, magnet, elastic body, coil; Described base is connected on the wheel rim; Described enclosing cover is enclosed within the base oral area, and its top withstands on the tire inner surface place; Be set in the base in described; In overlapping in described magnet is embedded in; Described elastomer sleeve is outside interior cover; Cover bottom in described coil is wrapped in, adjacent with the magnet bottom.
2, generating apparatus caused by automobile tyre deformation according to claim 1 is characterized in that, described base epimere bilateral symmetry is provided with the osed top chute.
3, generating apparatus caused by automobile tyre deformation according to claim 2 is characterized in that, the magnet that driven was passed down through coil and is as the criterion when the length of described chute slided downwards with described enclosing cover.
4, generating apparatus caused by automobile tyre deformation according to claim 2 is characterized in that, also comprises two locating dowel pins, passes through the chute of base epimere both sides and the bottom of described enclosing cover respectively and fixes; Described locating dowel pin can sliding in described chute up and down with enclosing cover.
5, generating apparatus caused by automobile tyre deformation according to claim 1 is characterized in that, cover and interior down cover in described interior cover comprises, and cover is fixed on the inside top of enclosing cover in described the going up, the permanent seat at formation magnet top; The described bottom of interior cover down is positioned at the section adjacent with the magnet bottom and is provided with upper and lower two circle raised lines, and described coil is wrapped in described two and encloses between the raised lines.
6, generating apparatus caused by automobile tyre deformation according to claim 1 is characterized in that, described elastic body is located between the top of going up the circle raised line of cover top portion inwall and interior cover.
7, according to claim 1 or 6 described generating apparatus caused by automobile tyre deformation, it is characterized in that described elastic body is made of spring.
8, generating apparatus caused by automobile tyre deformation according to claim 1 is characterized in that, captives joint with wheel rim and comprise adopting and gluingly fix with wheel rim in the bottom of described base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520047991 CN2889761Y (en) | 2005-12-26 | 2005-12-26 | Automotive tyre deformation induced electrogeneous device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520047991 CN2889761Y (en) | 2005-12-26 | 2005-12-26 | Automotive tyre deformation induced electrogeneous device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2889761Y true CN2889761Y (en) | 2007-04-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520047991 Expired - Lifetime CN2889761Y (en) | 2005-12-26 | 2005-12-26 | Automotive tyre deformation induced electrogeneous device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2889761Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1992484B (en) * | 2005-12-26 | 2010-06-23 | 上海保隆汽车科技股份有限公司 | Generating apparatus caused by automobile tyre deformation |
| CN106585284A (en) * | 2016-12-26 | 2017-04-26 | 山东玲珑轮胎股份有限公司 | Non-inflatable tire |
| CN116461257A (en) * | 2023-05-12 | 2023-07-21 | 广东海洋大学 | Tire pressure monitoring device, method and system, wheel and carrier |
-
2005
- 2005-12-26 CN CN 200520047991 patent/CN2889761Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1992484B (en) * | 2005-12-26 | 2010-06-23 | 上海保隆汽车科技股份有限公司 | Generating apparatus caused by automobile tyre deformation |
| CN106585284A (en) * | 2016-12-26 | 2017-04-26 | 山东玲珑轮胎股份有限公司 | Non-inflatable tire |
| CN116461257A (en) * | 2023-05-12 | 2023-07-21 | 广东海洋大学 | Tire pressure monitoring device, method and system, wheel and carrier |
| CN116461257B (en) * | 2023-05-12 | 2024-04-12 | 广东海洋大学 | Tire pressure monitoring device, method and system, wheel and carrier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANGHAI BAOLONG AUTOMOTIVE CORPORATION; PATENTEE Free format text: FORMER NAME OR ADDRESS: SHANGHAI BAOLONG INDUSTRIAL CO LTD; PATENTEE |
|
| CP03 | Change of name, title or address |
Address after: 201619, No. 71, luxuriant Road, Jing Jing Town, Shanghai, Songjiang District Co-patentee after: Shanghai Qunying Automotive Electronics Co. Ltd. Patentee after: Baolong Motor Science & Technology Co., Ltd., Shanghai Address before: 201619, No. 71, luxuriant Road, Jing Jing Town, Shanghai, Songjiang District Co-patentee before: Shanghai Qunying Automotive Electronics Co. Ltd. Patentee before: Shanghai Baolong Industries Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20070418 |
|
| EXPY | Termination of patent right or utility model |