CN115107413A - Electromagnetic induction tire hub assembly, electromagnetic induction tire system and electric vehicle - Google Patents
Electromagnetic induction tire hub assembly, electromagnetic induction tire system and electric vehicle Download PDFInfo
- Publication number
- CN115107413A CN115107413A CN202210953045.5A CN202210953045A CN115107413A CN 115107413 A CN115107413 A CN 115107413A CN 202210953045 A CN202210953045 A CN 202210953045A CN 115107413 A CN115107413 A CN 115107413A
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- CN
- China
- Prior art keywords
- tire
- hub
- electromagnetic induction
- contact
- ring
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/0047—Hubs characterised by functional integration of other elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B19/00—Wheels not otherwise provided for or having characteristics specified in one of the subgroups of this group
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
- B60T1/065—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels employing disc
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
- H02J7/0045—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Computer Networks & Wireless Communication (AREA)
- Tires In General (AREA)
Abstract
The invention belongs to the field of electric vehicles, and discloses an electromagnetic induction tire hub assembly, which comprises a tire and a hub, wherein the tire is arranged on the hub; the magnetic suspension ring is also included; one surface of the magnetic suspension ring, which is opposite to the hub, is provided with a coil mounting bracket; an electromagnetic receiving coil is arranged on the coil mounting bracket; the hub is provided with a contact for inputting current; an output current contact is arranged on the magnetic suspension ring; the input current contact and the output current contact are in contact but not fixedly connected; the output current contact is electrically connected with the electromagnetic receiving coil. The assembly adopts the magnetic suspension ring to be arranged in front of the tire and the hub, so that the assembly not only can avoid the extrusion of the tire to a coil in the running process, but also has the function of automatically adjusting the height, can dynamically adjust the height of the assembly according to the running extrusion of the tire and avoids the hard contact of the tire when the tire deforms; the electromagnetic receiving coils adopted by the scheme are few in number and controllable in heating; meanwhile, the invention also discloses an electromagnetic induction tire system and an electric vehicle.
Description
Technical Field
The invention relates to the field of electric vehicles, in particular to an electromagnetic induction tire hub assembly, an electromagnetic induction tire system and an electric vehicle.
Background
Charging of vehicles in the driving process is always a dream that people need to realize urgently, so that the problems that the existing server is too few in charging pile and the service areas in holidays are congested due to charging are solved;
to solve this problem, many scientists have proposed various solutions:
https:// baijiahao, ***, com/sid ═ 1736128272834067435& wfr ═ spider & for ═ pc, topic "new charging technology track opening! Cloud system matching and charging completion in the running process of the electric automobile, and provides a scheme for sharing electric quantity in the running process of two automobiles.
https:// www.pcauto.com.cn/jxwd/2813/28131173.html, the subject is written in "how a new energy automobile can be charged during driving": the charging magnetic tape is laid on the road, the electric power is supplied to the electric vehicle by utilizing the charging principle of the electric toothbrush, and the electric vehicle can fully charge the vehicle through the underground cable while running on the road. However, at present, no mature technology exists, and the universal application needs huge cost, and the condition for large-scale realization is not provided.
The scheme has certain feasibility;
such as: https:// baijiahao.***.com/sid ═ 1735527924098101969& wfr ═ spider & for ═ pc, subject matter "charging while driving, can't be realized at all? Detailed resolution strategies similar to the above are presented in the text I.
However, in the previous experiments, the following problems were found:
the electromagnetic receiving coil is positioned on the chassis of the automobile, the distance is too large, and the electric energy loss is too large. At the same time, higher requirements are put on the transmitting power of the electromagnetic transmitting coil.
In order to solve this problem, a plug-in and pull-out type charging and travel-compatible charging device for an electric vehicle, such as ZL201620073165.6, has been proposed for charging the vehicle in a manner similar to a trolley pantograph.
In order to solve the above problems, CN201410559376.6 discloses a tire type wireless charging belt system for providing a rechargeable tire and supporting the rechargeable tire to automatically charge an electric vehicle in high-speed driving or stopping, which belongs to the field of new energy vehicles. The rechargeable tire uses a charging receiving antenna coil array technology and a multilayer receiving antenna coil staggered array group technology, can effectively receive the wireless charging current emitted by the tire type wireless charging belt system, and effectively improves the wireless charging efficiency and reduces harmful electromagnetic radiation because the rechargeable tire is tightly attached to the tire type wireless charging belt.
The scheme creatively contacts the coil with the ground as much as possible to reduce ineffective power consumption.
However, this solution has problems in that: the heat generated by the excess coils combined with the heat generated during the operation of the tire itself can result in a tire that continues to be hot during travel, while the operation of the tire can have undesirable consequences for a stable, good electrical connection of the coils.
Based on the analysis, the existing charging technology can not meet the requirements of charging, good heat dissipation and reliability in the driving process of the electric vehicle at the same time.
Disclosure of Invention
The invention aims to provide an electromagnetic induction tire hub assembly, which adopts a magnetic suspension ring to be arranged in front of a tire and a hub, can not only avoid the extrusion of the tire on a coil in the running process, but also has the function of automatically adjusting the height, can dynamically adjust the height according to the running extrusion of the tire, and avoids the hard contact between the tire and the tire when the tire deforms; the electromagnetic receiving coils adopted by the scheme are few in number and controllable in heating; meanwhile, the invention also discloses an electromagnetic induction tire system and an electric vehicle.
The invention provides the following technical scheme for achieving the purpose: an electromagnetic induction tire-hub assembly comprising a tire and a hub; the magnetic suspension ring is also included; the hub is provided with a magnet which is matched with the magnetic suspension ring and has the same magnetism; the magnetic suspension ring surrounds the outside of the hub; one surface of the magnetic suspension ring, which is opposite to the hub, is provided with a coil mounting bracket; an electromagnetic receiving coil is arranged on the coil mounting bracket; the hub is provided with a contact for inputting current; an output current contact is arranged on the magnetic suspension ring; the input current contact and the output current contact are in contact but not fixedly connected; the output current contact is electrically connected with the electromagnetic receiving coil.
In the electromagnetic induction tire hub assembly, the input current contact and the output current contact are respectively a conductive ring and a conductive brush; the conductive ring and the conductive brush are in contact with each other.
In the electromagnetic induction tire hub assembly, the input current contact is a conductive ring, and the output current contact is a conductive brush; the conductive ring and the conductive brush are oppositely arranged.
In the above electromagnetic induction tire hub assembly, the coil mounting bracket is further provided with a circuit board adapted to the electromagnetic receiving coil, and the circuit board is connected to the electromagnetic receiving coil and the output current contact.
In the above electromagnetic induction tire hub assembly, the magnetic suspension ring includes an upper ring body and a lower ring body, and the upper ring body and the lower ring body are detachably connected.
In the above electromagnetic induction tire hub assembly, the coil mounting bracket is one.
Meanwhile, the invention also discloses an electromagnetic induction tire system, which comprises the electromagnetic induction tire hub assembly, a brake disc, a conductive sliding ring, a bearing and a suspension assembly, wherein the conductive sliding ring is fixed on the bearing; the brake disc is fixedly connected with the hub, and the brake disc and the suspension assembly are rotatably connected through a bearing; the suspension assembly is fixedly connected with the bearing; an electric contact is arranged on the brake disc, and an output wire harness is arranged on the conductive slip ring; the input current contact, the electric contact and the conductive slip ring are electrically connected in sequence, and the current received by the conductive slide block is output through an output wire harness.
Finally, the invention also discloses an electric vehicle which comprises a vehicle body, a battery pack and the electromagnetic induction tire system, wherein the vehicle body is connected with the suspension assembly; the battery pack is electrically connected with the conductive slip ring.
Compared with the prior art, the invention has the beneficial effects that:
the electromagnetic receiving coil is arranged between the tire and the hub, so that the electromagnetic receiving coil is in close contact with the ground, the charging loss is reduced, and the electromagnetic receiving coil is the best strategy for realizing the mobile charging of the electric vehicle. Meanwhile, the proposal of the scheme can obviously reduce the capacity of the vehicle battery, so that the electric vehicle can be loaded with less batteries for driving, and is beneficial to energy conservation and environmental protection.
After the automobile disclosed by the invention adopts the component, the battery capacity can be obviously reduced, and the automobile component is beneficial to acceleration, dead weight and energy consumption of the automobile.
The assembly adopts the magnetic suspension ring to be arranged in front of the tire and the hub, so that the assembly not only can avoid the extrusion of the tire to a coil in the running process, but also has the function of automatically adjusting the height, can dynamically adjust the height of the assembly according to the running extrusion of the tire and avoids the hard contact of the tire when the tire deforms; the electromagnetic receiving coils adopted by the scheme are few in number and controllable in heating; meanwhile, the invention also discloses an electromagnetic induction tire system and an electric vehicle.
Drawings
FIG. 1 is a perspective view of examples 1 and 2 of the present invention;
FIG. 2 is a front view of embodiments 1 and 2 of the present invention;
FIG. 3 is a sectional view A-A of FIG. 2 for examples 1 and 2 of the present invention;
FIG. 4 is an exploded view of examples 1 and 2 of the present invention;
fig. 5 is an exploded view of examples 1 and 2 of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-5, an electromagnetic induction tire and hub assembly includes a tire 1 and a hub 2; the magnetic suspension ring is also included; the hub 2 is provided with a magnet with the same magnetism matched with the magnetic suspension ring; the magnetic suspension ring surrounds the hub 2; one surface of the magnetic suspension ring, which is opposite to the hub 2, is provided with a coil mounting bracket 3; an electromagnetic receiving coil 4 is arranged on the coil mounting bracket 3; a contact for inputting current is arranged on the hub 2; an output current contact is arranged on the magnetic suspension ring; the input current contact and the output current contact are in contact but not fixedly connected; the output current contact is electrically connected with the electromagnetic receiving coil 4.
In the operation process, the coil mounting bracket 3 has a certain dead weight, so that the whole magnetic suspension ring keeps relatively suspended with the hub 2, and the coil mounting bracket 3 can automatically adjust the balance position of the magnetic suspension ring based on the dead weight, thereby ensuring that the coil mounting bracket 3 is at the lowest point.
In the scheme, the magnetic suspension ring needs to be ensured to be in good electrical contact with the hub 2 but not to rotate the hub 2, and in order to achieve the purpose, the input current contact and the output current contact are respectively a conductive ring and a conductive brush; the conductive ring and the conductive brush are in contact with each other. This is achieved by the low friction feature of the conductive brush. Preferably, the input current contact is a conductive ring, and the output current contact is a conductive brush; the conductive ring and the conductive brush are oppositely arranged.
More preferably, in order to further improve the heat dissipation effect, a surface of the coil mounting bracket 3, which is in contact with the electromagnetic receiving coil 4, is provided with a hollow structure.
More preferably, the coil mounting bracket 3 is a bracket having a certain weight.
Implicitly, still be equipped with the circuit board 5 with electromagnetic receiving coil 4 adaptation on the coil installing support 3, electromagnetic receiving coil 4 and output current contact are connected to circuit board 5.
In the present embodiment, the magnetic suspension ring comprises an upper ring body 6 and a lower ring body 7, and the upper ring body 6 and the lower ring body 7 are detachably connected. The detachable mode is bolted connection, and in the assembling process, a plurality of magnets with A poles facing one side of the magnetic suspension ring are paved on the surface of the hub 2 in advance, then the upper ring body 7 and the lower ring body 7 of the magnetic suspension ring are sleeved on the outer side of the hub 2, the inner side of the magnetic suspension ring is a B pole, wherein the A pole and the B pole are both N or both S. The polarity of the outer magnetic ring and the polarity of the inner magnetic ring are both N poles or both S poles, and the magnetic suspension frictionless rotation is achieved by utilizing the principle that the like poles repel each other.
Example 2
Referring to fig. 1-5, an electromagnetic induction tire 1 system comprising an electromagnetic induction tire hub assembly as described in any one of the above, a brake disc 8, an electrically conductive slip ring 9, a bearing 10, a suspension assembly 11, said electrically conductive slip ring 9 being secured to the bearing 10; the brake disc 8 is fixedly connected with the hub 2, and the brake disc 8 and the suspension assembly 11 are rotatably connected through a bearing 10; the suspension assembly 11 is fixedly connected with the bearing 10; an electric contact 12 is arranged on the brake disc 8, and an output wire harness is arranged on the conductive slip ring 9; the input current contact, the electric contact 12 and the conductive slip ring 9 are electrically connected in sequence, and the current received by the conductive slide block is output through an output wire harness.
During traveling, the electromagnetic receiving coil 4 is matched with an electromagnetic transmitting coil laid under road asphalt, induced current is output to the electric contact 12 through the input current contact and the output current contact, the electric contact 12 is output to the conductive slip ring 9, the conductive slip ring 9 and the suspension assembly 11 are relatively fixed, and the current is led to a battery pack of a vehicle to complete the whole charging process.
Claims (8)
1. An electromagnetic induction tire-hub assembly comprising a tire and a hub; it is characterized by also comprising a magnetic suspension ring; the hub is provided with a magnet which is matched with the magnetic suspension ring and has the same magnetism; the magnetic suspension ring surrounds the outside of the hub; one surface of the magnetic suspension ring, which is opposite to the hub, is provided with a coil mounting bracket; an electromagnetic receiving coil is arranged on the coil mounting bracket; the hub is provided with a contact for inputting current; an output current contact is arranged on the magnetic suspension ring; the input current contact and the output current contact are in contact but not fixedly connected; the output current contact is electrically connected with the electromagnetic receiving coil.
2. The electromagnetic induction tire hub assembly of claim 1, wherein said input and output current contacts are conductive rings and conductive brushes, respectively; the conductive ring and the conductive brush are in contact with each other.
3. The electromagnetic induction tire hub assembly of claim 2, wherein said input current contacts are electrically conductive rings and said output current contacts are electrically conductive brushes; the conductive ring and the conductive brush are oppositely arranged.
4. The electromagnetic induction tire hub assembly of claim 1 wherein said coil mounting bracket further comprises a circuit board adapted to said electromagnetic receiver coil, said circuit board connecting said electromagnetic receiver coil and said output current contacts.
5. The electromagnetic induction tire hub assembly of claim 1, wherein said magnetic suspension ring comprises an upper ring body and a lower ring body, said upper ring body and said lower ring body being removably connected.
6. The electromagnetic induction tire hub assembly of claim 1 wherein said coil mounting bracket is one.
7. An electromagnetic induction tire system comprising an electromagnetic induction tire hub assembly, a brake disc, an electrically conductive slip ring, a bearing, a suspension assembly as claimed in any one of claims 1-5, said electrically conductive slip ring being secured to said bearing; the brake disc is fixedly connected with the hub, and the brake disc and the suspension assembly are rotatably connected through a bearing; the suspension assembly is fixedly connected with the bearing; an electric contact is arranged on the brake disc, and an output wire harness is arranged on the conductive slip ring; the input current contact, the electric contact and the conductive slip ring are electrically connected in sequence, and the current received by the conductive slide block is output through an output wire harness.
8. An electric vehicle comprising a vehicle body, a battery pack, the electromagnetic induction tire system of claim 7, the vehicle body and the suspension assembly being connected; the battery pack is electrically connected with the conductive slip ring.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210953045.5A CN115107413A (en) | 2022-08-10 | 2022-08-10 | Electromagnetic induction tire hub assembly, electromagnetic induction tire system and electric vehicle |
| PCT/CN2022/119888 WO2024031786A1 (en) | 2022-08-10 | 2022-09-20 | Electromagnetic induction tire and wheel hub assembly, electromagnetic induction tire system and electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210953045.5A CN115107413A (en) | 2022-08-10 | 2022-08-10 | Electromagnetic induction tire hub assembly, electromagnetic induction tire system and electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115107413A true CN115107413A (en) | 2022-09-27 |
Family
ID=83335906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210953045.5A Pending CN115107413A (en) | 2022-08-10 | 2022-08-10 | Electromagnetic induction tire hub assembly, electromagnetic induction tire system and electric vehicle |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN115107413A (en) |
| WO (1) | WO2024031786A1 (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010041824A (en) * | 2008-08-05 | 2010-02-18 | Toyota Industries Corp | Vehicle equipped with traveling motor |
| CN202225754U (en) * | 2011-09-01 | 2012-05-23 | 王伟夫 | Generating set powered by running of road automobiles |
| CN106143185A (en) * | 2016-06-28 | 2016-11-23 | 浙江大学 | Wireless power supply system in a kind of novel electric vehicle based on tire traveling |
| CN107539019A (en) * | 2017-08-24 | 2018-01-05 | 中国地质大学（武汉） | A kind of super-conductive magnetic suspension automobile intelligent tire |
| DE102017216687A1 (en) * | 2017-09-20 | 2019-03-21 | Audi Ag | Drive arrangement of an electric drive with an inductively power supplyable drive motor, wheel carrier assembly and motor vehicle |
| CN113165451B (en) * | 2018-11-21 | 2023-12-01 | 美国联合金属制品股份有限公司 | Wheel end device with generator |
| JP2021022624A (en) * | 2019-07-25 | 2021-02-18 | 株式会社ブリヂストン | Tire/wheel assembly, wireless power receiving system, and tire |
| JP2021059312A (en) * | 2019-10-09 | 2021-04-15 | 株式会社ブリヂストン | Tire and wheel assembly |
-
2022
- 2022-08-10 CN CN202210953045.5A patent/CN115107413A/en active Pending
- 2022-09-20 WO PCT/CN2022/119888 patent/WO2024031786A1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024031786A1 (en) | 2024-02-15 |
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