CN110588336A - Electric vehicle axle power generation device, electric vehicle axle and electric vehicle - Google Patents
Electric vehicle axle power generation device, electric vehicle axle and electric vehicle Download PDFInfo
- Publication number
- CN110588336A CN110588336A CN201910945604.6A CN201910945604A CN110588336A CN 110588336 A CN110588336 A CN 110588336A CN 201910945604 A CN201910945604 A CN 201910945604A CN 110588336 A CN110588336 A CN 110588336A
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- CN
- China
- Prior art keywords
- gear
- electric vehicle
- shaft
- axle
- generator
- Prior art date
- 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.)
- Pending
Links
- 238000010248 power generation Methods 0.000 title claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 230000005540 biological transmission Effects 0.000 claims abstract description 32
- 238000007789 sealing Methods 0.000 claims description 26
- 230000007704 transition Effects 0.000 claims description 14
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
- B60B35/121—Power-transmission from drive shaft to hub
- B60B35/122—Power-transmission from drive shaft to hub using gearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
- B60K17/165—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing provided between independent half axles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
- H02K7/1861—Rotary generators driven by animals or vehicles
-
- 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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Power Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses an electric vehicle bridge power generation device, relates to the field of automobile parts, solves the problem that the driving mileage of an electric vehicle is short in the prior art, and has the technical key points that: the power generator comprises a first half shaft and a second half shaft, wherein the first half shaft and the second half shaft are arranged in a shaft shell, the first half shaft and the second half shaft rotate in the shaft shell, a differential transmission mechanism is fixedly connected in the shaft shell, the differential transmission mechanism is fixedly connected with the first half shaft and the second half shaft, the differential transmission mechanism is connected with a power generator in a gear connection mode, and the first half shaft and the second half shaft drive an input shaft of the power generator to rotate through the differential transmission mechanism; according to the invention, the generator set is arranged on the non-drive axle of the electric axle, and part of energy generated in the running process of the electric vehicle is converted into electric energy to be stored in the standby battery of the electric vehicle, so that the energy utilization rate of the electric vehicle is improved, and the running mileage of the electric vehicle is increased.
Description
Technical Field
The invention relates to the field of automobile parts, in particular to an electric vehicle axle power generation device, an electric vehicle axle and an electric vehicle.
Background
With the progress of technology, the energy of automobiles is more and more diversified, and new energy automobiles such as hybrid electric vehicles and pure electric vehicles have appeared. The battery management system of the new energy automobile is used as a link between the battery and the power system, is used for supplying power to the power system, and is also used for preventing the battery from being overcharged and overdischarged, prolonging the service life of the battery, monitoring the state of the battery and the like. The new energy automobile has the advantages of low emission and environmental protection effect.
In the prior art, the driving mileage of an electric vehicle in a new energy vehicle is short due to the limitation of the capacity of a vehicle battery, so that the new energy vehicle needs to be charged frequently, and the development of the new energy vehicle is limited, therefore, an electric vehicle bridge power generation device, an electric vehicle axle and an electric vehicle are provided.
Disclosure of Invention
The invention aims to solve the technical problems and provides an electric vehicle bridge power generation device, an electric vehicle axle and an electric vehicle, which comprise a first half shaft and a second half shaft, wherein the first half shaft and the second half shaft are arranged in a shaft shell, the first half shaft and the second half shaft rotate in the shaft shell, a differential transmission mechanism is fixedly connected in the shaft shell, the differential transmission mechanism is fixedly connected with the first half shaft and the second half shaft, the differential transmission mechanism is connected with a generator in a gear connection mode, the first half shaft and the second half shaft drive an input shaft of the generator to rotate through the differential transmission mechanism, and the generator is fixedly connected to the shaft shell, so that the problem that the driving mileage of the electric vehicle is short in the prior art is solved.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an electric motor bridge power generation facility, includes first semi-axis and second semi-axis, first semi-axis and second semi-axis are installed in the axle housing, and first semi-axis and second semi-axis are at the rotation of axle housing, still fixedly connected with differential drive mechanism in the axle housing, differential drive mechanism and first semi-axis and second semi-axis fixed connection, differential drive mechanism passes through the mode of gear connection and is connected with the generator, first semi-axis and second semi-axis pass through the input shaft rotation that differential drive mechanism drove the generator, generator fixed connection is on the axle housing.
As a further scheme of the invention, the differential transmission mechanism comprises a gear carrier, half-shaft bevel gears and planetary bevel gears, wherein the gear carrier is arranged on a shaft shell, the shaft seat is arranged on the shaft shell, so that the gear carrier does rotating motion, the half-shaft bevel gears are fixedly connected to one ends of a first half shaft and a second half shaft, the planetary bevel gears are arranged on the gear carrier, and the number of the planetary bevel gears is two, and the planetary bevel gears are meshed with the half-shaft bevel gears.
As a further scheme of the invention, a gear carrier shaft neck is arranged on a gear carrier, a groove is arranged on the gear carrier shaft neck, the gear carrier shaft neck is matched with a shaft seat on a shaft shell, so that the gear carrier rotates around the axis of the gear carrier, and a transmission gear is arranged on a half shaft bevel gear.
As a further scheme of the invention, the generator is provided with a generator gear, a transmission gear on a gear rack is meshed with the generator, and the generator is fixedly connected to the shaft shell through a sealing cover.
As a further scheme of the invention, a transition gear is also arranged between the differential transmission mechanism and the generator gear, and the transition gear is meshed with both the gear carrier and the generator gear; the transition gear is installed on the sealing cover, and the transition gear rotates around self axis.
The electric axle comprises the electric axle power generation device, a first half shaft and a second half shaft are half shafts of the electric axle, a differential transmission mechanism is installed inside the electric axle, and a generator is fixedly installed on the electric axle.
The utility model provides an electric motor car, the electric motor car adopts the bi-cell power supply mode of main battery module and reserve battery module, includes above-mentioned electronic axle, and electronic axle is installed on the electric motor car as non-drive axle, and the output of generator 6 and the power management system electric connection of electric motor car.
In conclusion, compared with the prior art, the invention has the following beneficial effects:
according to the invention, the generator set is arranged on the non-drive axle of the electric axle, and part of energy generated in the running process of the electric vehicle is converted into electric energy to be stored in the standby battery of the electric vehicle, so that the energy utilization rate of the electric vehicle is improved.
Drawings
Fig. 1 is a schematic structural diagram of an electric vehicle bridge power generation device.
Fig. 2 is a schematic structural view of a planetary carrier in the electric vehicle axle power generation device.
Reference numerals: 1-first half shaft, 2-second half shaft, 3-differential transmission mechanism, 31-carrier, 32-half shaft bevel gear, 33-planetary bevel gear, 34-carrier shaft neck, 35-transmission gear, 4-transition gear, 5-generator gear, 6-generator, 7-sealing cover, 71-first sealing cover, 72-second sealing cover, 8-shaft shell.
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 embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Example 1
As shown in fig. 1, an electric axle power generation device includes a first half axle 1 and a second half axle 2, the first half axle 1 and the second half axle 2 are installed in an axle housing 8, the first half axle 1 and the second half axle 2 rotate in the axle housing 8, a differential transmission mechanism 3 is fixedly connected in the axle housing 8, the differential transmission mechanism 3 is fixedly connected with the first half axle 1 and the second half axle 2, the differential transmission mechanism 3 is connected with a power generator 6 through a gear connection, the first half axle 1 and the second half axle 2 drive an input shaft of the power generator 6 to rotate through the differential transmission mechanism 3, and the power generator 6 is fixedly connected to the axle housing 8;
the first half shaft 1 and the second half shaft 2 are both in the prior art, the differential transmission mechanism 3 comprises a gear carrier 31, a half bevel gear 32 and a planetary bevel gear 33, the gear carrier 31 is mounted on the shaft shell 8, a shaft seat is arranged on the shaft shell 8, so that the gear carrier 31 rotates, as shown in fig. 2, a gear carrier shaft neck 34 is arranged on the gear carrier 31, a groove is arranged on the gear carrier shaft neck 34, the gear carrier shaft neck 34 is matched with the shaft seat on the shaft shell 8, so that the gear carrier 31 rotates around the axis of the gear carrier, a transmission gear 35 is also arranged on the half bevel gear 32, and the transmission gear 35 is matched with the generator 6, so that the; the half-shaft bevel gear 32 is fixedly connected to one end of the first half shaft 1 and one end of the second half shaft 2, the planetary bevel gears 33 are arranged on the carrier 31, the number of the planetary bevel gears 33 is two, the planetary bevel gears 33 are meshed with the half-shaft bevel gear 32, and the carrier 31, the half-shaft bevel gear 32 and the planetary bevel gears 33 form a differential mechanism in the prior art;
the generator 6 is provided with a generator gear 5, a transmission gear 35 on the gear rack 31 is meshed with the generator 6, and the generator 6 is fixedly connected to the shaft shell 8 through a sealing cover 7;
the sealing cover 7 is fixedly connected with the shaft shell 8 through screws, and a sealing ring is arranged between the sealing cover 7 and the shaft shell 8, so that the sealing cover 7 is connected with the shaft shell 8 in a sealing manner;
the sealing cover 7 comprises a first sealing cover 71 and a second sealing cover 72, the first sealing cover 71 and the second sealing cover 72 are fixedly connected through bolts, a sealing ring is arranged between the first sealing cover 71 and the second sealing cover 72, and a sealing cover structure is arranged below the first sealing cover 71 and the second sealing cover 72.
Example 2
As shown in fig. 1, an electric axle power generation device includes a first half axle 1 and a second half axle 2, the first half axle 1 and the second half axle 2 are installed in an axle housing 8, the first half axle 1 and the second half axle 2 rotate in the axle housing 8, a differential transmission mechanism 3 is fixedly connected in the axle housing 8, the differential transmission mechanism 3 is fixedly connected with the first half axle 1 and the second half axle 2, the differential transmission mechanism 3 is connected with a power generator 6 through a gear connection, the first half axle 1 and the second half axle 2 drive an input shaft of the power generator 6 to rotate through the differential transmission mechanism 3, and the power generator 6 is fixedly connected to the axle housing 8;
in the embodiment, a transition gear 4 is further arranged between the differential transmission mechanism 3 and the generator gear 5, the transition gear 4 is meshed with the gear carrier 31 and the generator gear 5 and is used for increasing the axial distance between the generator 6 and the first half shaft 1, so that the generator 6 can be provided with a high-power generator, the transition gear 4 is arranged on the second sealing cover 72, and the transition gear 4 rotates around the axis of the transition gear 4;
other structures in this embodiment are the same as those in embodiment 1.
Example 3
An electric axle comprises the electric axle power generation device of embodiment 1 or embodiment 2, a first half shaft 1 and a second half shaft 2 are half shafts of the electric axle, a differential transmission mechanism 3 is installed inside the electric axle, and a power generator 6 and a sealing cover 7 are fixedly installed on the electric axle.
Example 4
An electric vehicle adopts a double-battery power supply mode of a main battery module and a standby battery module, a non-driving axle of the electric vehicle is the electric axle described in embodiment 3, the output end of a generator 6 is electrically connected with a power management system of the electric vehicle, and the connection mode of the electric axle and a vehicle body is the prior art.
In summary, the working principle of the invention is as follows:
when the electric vehicle runs, the electric vehicle wheels drive the half-shaft bevel gear 32 to rotate, the half-shaft bevel gear 32 drives the gear carrier 31 to rotate through the planetary bevel gear 33 after rotating, and the gear carrier 31 drives the input shaft of the generator 6 to rotate through the generator gear 5, so that the generator 6 is driven to generate electric energy, and a standby battery of the electric vehicle is charged in the running process of the electric vehicle.
It should be noted that, in this application, it is the innovation point of this application to install the generator on the electric motor car non-drive axle and drive the generator electricity generation through differential drive mechanism, and it has effectively solved the problem that the electric motor car mileage is shorter among the prior art.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are only for the convenience of description of the invention and to simplify the description, and do not indicate or imply that the referred device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an electric motor car bridge power generation facility, including first semi-axis (1) and second semi-axis (2), install in axle housing (8) first semi-axis (1) and second semi-axis (2), and first semi-axis (1) and second semi-axis (2) at axle housing (8) internal rotation, a serial communication port, still fixedly connected with differential drive mechanism (3) in axle housing (8), differential drive mechanism (3) and first semi-axis (1) and second semi-axis (2) fixed connection, differential drive mechanism (3) are connected with generator (6), first semi-axis (1) and second semi-axis (2) drive the input shaft rotation of generator (6) through differential drive mechanism (3), generator (6) fixed connection is on axle housing (8).
2. The electric transaxle power generating apparatus of claim 1 wherein the differential gear mechanism (3) comprises a carrier (31), a half-shaft bevel gear (32) and a planetary bevel gear (33), the carrier (31) is mounted to the axle housing (8), the axle housing (8) is provided with an axle seat for allowing the carrier (31) to perform a rotational motion, the half-shaft bevel gear (32) is fixedly connected to one end of the first half-shaft (1) and the second half-shaft (2), the planetary bevel gear (33) is mounted on the carrier (31), the planetary bevel gear (33) is provided in two, and the planetary bevel gear (33) is engaged with the half-shaft bevel gear (32).
3. The electric bridge power generation device of claim 2, wherein the gear carrier (31) is provided with a gear carrier journal (34), the gear carrier journal (34) is provided with a groove, the gear carrier journal (34) is matched with a shaft seat on the shaft shell (8) to enable the gear carrier (31) to rotate around the axis of the gear carrier, and the half bevel gear (32) is further provided with a transmission gear (35).
4. The electric vehicle bridge power generation device according to claim 3, wherein the generator (6) is provided with a generator gear (5), a transmission gear (35) on the gear carrier (31) is meshed with the generator (6), and the generator (6) is fixedly connected to the shaft housing (8) through a sealing cover (7).
5. The electric vehicle bridge power generation device according to any one of claims 1 to 4, wherein a transition gear (4) is further arranged between the differential transmission mechanism (3) and the generator gear (5), and the transition gear (4) is meshed with both the gear carrier (31) and the generator gear (5); the transition gear (4) is arranged on the sealing cover (7), and the transition gear (4) rotates around the axis of the transition gear.
6. An electric vehicle axle, characterized in that, comprises the electric vehicle axle power generation device of any one of claims 1-5, the first half shaft (1) and the second half shaft (2) are half shafts of the electric vehicle axle, the differential transmission mechanism (3) is installed inside the electric vehicle axle, and the power generator (6) is fixedly installed on the electric vehicle axle.
7. An electric vehicle, which adopts a double-battery power supply mode of a main battery module and a standby battery module, is characterized by comprising the electric axle of claim 6, wherein the electric axle is installed on the electric vehicle as a non-driving axle, and the output end of a generator (6) is electrically connected with a power management system of the electric vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910945604.6A CN110588336A (en) | 2019-09-30 | 2019-09-30 | Electric vehicle axle power generation device, electric vehicle axle and electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910945604.6A CN110588336A (en) | 2019-09-30 | 2019-09-30 | Electric vehicle axle power generation device, electric vehicle axle and electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110588336A true CN110588336A (en) | 2019-12-20 |
Family
ID=68865472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910945604.6A Pending CN110588336A (en) | 2019-09-30 | 2019-09-30 | Electric vehicle axle power generation device, electric vehicle axle and electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110588336A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2468806Y (en) * | 2001-03-29 | 2002-01-02 | 山东黑豹股份有限公司 | Electric vehicle braking energy recovery device with generator |
| CN2922254Y (en) * | 2005-11-11 | 2007-07-11 | 何东升 | Electric vehicle generating device |
| JP2009124929A (en) * | 2007-11-14 | 2009-06-04 | Toshihiro Kato | Integrated system of axle, differential, generator, and charger |
| CN203318077U (en) * | 2013-06-03 | 2013-12-04 | 李晓秋 | Automobile-used power generation device |
| CN103419628A (en) * | 2013-08-06 | 2013-12-04 | 丹江口市天健工贸有限公司 | Integration driving rear axle for electric vehicle |
| CN105270169A (en) * | 2015-09-01 | 2016-01-27 | 张涛 | Automobile capable of steering in situ and running in transverse direction |
| CN106515404A (en) * | 2016-12-27 | 2017-03-22 | 重庆博迪威电动汽车有限责任公司 | Electrombile power transmission integrated system |
| CN109693548A (en) * | 2019-01-22 | 2019-04-30 | 浙江吉利控股集团有限公司 | A kind of energy reutilization system carrying out Brake energy recovery |
| CN211166444U (en) * | 2019-09-30 | 2020-08-04 | 广东省威山科技有限公司 | Electric vehicle axle power generation device, electric vehicle axle and electric vehicle |
-
2019
- 2019-09-30 CN CN201910945604.6A patent/CN110588336A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2468806Y (en) * | 2001-03-29 | 2002-01-02 | 山东黑豹股份有限公司 | Electric vehicle braking energy recovery device with generator |
| CN2922254Y (en) * | 2005-11-11 | 2007-07-11 | 何东升 | Electric vehicle generating device |
| JP2009124929A (en) * | 2007-11-14 | 2009-06-04 | Toshihiro Kato | Integrated system of axle, differential, generator, and charger |
| CN203318077U (en) * | 2013-06-03 | 2013-12-04 | 李晓秋 | Automobile-used power generation device |
| CN103419628A (en) * | 2013-08-06 | 2013-12-04 | 丹江口市天健工贸有限公司 | Integration driving rear axle for electric vehicle |
| CN105270169A (en) * | 2015-09-01 | 2016-01-27 | 张涛 | Automobile capable of steering in situ and running in transverse direction |
| CN106515404A (en) * | 2016-12-27 | 2017-03-22 | 重庆博迪威电动汽车有限责任公司 | Electrombile power transmission integrated system |
| CN109693548A (en) * | 2019-01-22 | 2019-04-30 | 浙江吉利控股集团有限公司 | A kind of energy reutilization system carrying out Brake energy recovery |
| CN211166444U (en) * | 2019-09-30 | 2020-08-04 | 广东省威山科技有限公司 | Electric vehicle axle power generation device, electric vehicle axle and electric vehicle |
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