CN109733224B - Dynamic running current collector with arc extinguishing function for vehicle - Google Patents
Dynamic running current collector with arc extinguishing function for vehicle Download PDFInfo
- Publication number
- CN109733224B CN109733224B CN201910175864.XA CN201910175864A CN109733224B CN 109733224 B CN109733224 B CN 109733224B CN 201910175864 A CN201910175864 A CN 201910175864A CN 109733224 B CN109733224 B CN 109733224B
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- CN
- China
- Prior art keywords
- current collector
- arc extinguishing
- frame
- rolling
- power receiver
- 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.)
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Classifications
-
- 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
- B60L53/10—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 characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
-
- 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
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T90/14—Plug-in electric vehicles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
The invention discloses a vehicle dynamic running current collector with an arc extinguishing function, which comprises a rolling current collector component, an arc extinguishing component and a current collector rod joint, wherein the rolling current collector component is connected with the arc extinguishing component; the rolling power receiver assembly comprises a conductive frame and a plurality of rolling power receivers arranged on the conductive frame, and a wire connector is arranged on the conductive frame; the arc extinguishing assembly comprises a rear shell and an induced draft fan, and an air pipe connected with an air inlet of the induced draft fan is arranged on the rear shell. When the current collector contacts with the power supply wire to generate an electric arc, the air flow generated by the operation of the induced draft fan can rapidly pump the electric arc, so that the technical problems of high-temperature electric arc ablation and rolling of the power receiver component and the power supply wire can be avoided. The air flow generated by the fan can also play a role in cooling the rolling power receiver, so that the stability of the performance of the rolling power receiver can be maintained; and the cooling of the current collector has a certain effect of inhibiting the generation of electric arcs.
Description
Technical Field
The invention relates to a vehicle charging device, in particular to a vehicle dynamic running current collector with an arc extinguishing function.
Background
In the prior art, the device for charging an electric automobile is generally a charging pile. The function of the charging pile is similar to that of an oiling machine in a gas station, and the charging pile is fixed on the ground or a wall to charge an electric automobile; the charging stake has a disadvantage in that it cannot charge a traveling vehicle, which makes its use inconvenient.
The disadvantage of a fixed charging pile can be solved by arranging a power supply conductor along a roadway to charge a moving vehicle, but the charging mode can generate an electric arc when a vehicle power receiver contacts with the power supply conductor, and if the electric arc is not extinguished in time, the high-temperature electric arc can burn the power receiver.
Disclosure of Invention
Therefore, the invention aims to provide a vehicle dynamic running current collector with an arc extinguishing function, so as to solve the technical problems of power receiving and arc ablation current collector in the running process of the vehicle.
The invention relates to a vehicle dynamic running current collector with an arc extinguishing function, which comprises a rolling current collector component and an arc extinguishing component;
the rolling power receiver assembly comprises a conductive frame and a plurality of rolling power receivers arranged on the conductive frame, wherein a wire connector is arranged on the conductive frame;
the arc extinguishing assembly comprises a guide shell and an induced draft fan, an air pipe connected with an air inlet of the induced draft fan is arranged on the guide shell, and the conducting frame is connected to the guide shell.
Further, the vehicle dynamic running current collector with the arc extinguishing function further comprises an electromagnetic adsorption assembly, wherein the electromagnetic adsorption assembly comprises an insulating frame and an electromagnet arranged on the insulating frame, and the insulating frame is further provided with a positive electrode connector lug and a negative electrode connector lug which are respectively connected with two ends of a coil of the electromagnet; the insulating frame is arranged between the conductive frame and the bottom of the diversion shell.
Further, the outside of electro-magnet parcel has high temperature protective housing.
Further, the rolling power receiver is a roller, a roll shaft or a universal ball.
Further, the rolling power receiving body is a roller or a roller shaft, the conductive frame comprises a frame body and a spring damper which is obliquely arranged below the frame body and used for being connected with the roller or the roller shaft, the upper end of the spring damper is connected to the bottom of the frame body, and the roller or the roller shaft is arranged at the lower end of the spring damper.
Further, the upper end of the spring damper is connected to the bottom of the frame body through a bearing which is vertically arranged, and the frame body is further provided with a limiting rod which limits the deflection angle of the spring damper around the center of the bearing.
Further, the rolling power receiver is a universal ball, the conductive frame comprises a frame body, a ball seat plate and a spring damper for connecting the frame body and the ball seat plate, and the universal ball is arranged on the ball seat plate.
Further, the dynamic running current collector with the arc extinguishing function also comprises a current collector rod connector connected to the flow guiding shell.
Further, the conductive frame is positioned on the inner side of the diversion shell.
The invention has the beneficial effects that:
1. the invention relates to a vehicle dynamic running current collector with an arc extinguishing function, wherein an induced draft fan is arranged on a guide shell of the current collector, when the current collector contacts with a power supply conductor to generate an electric arc, the electric arc can be rapidly pumped away by air flow generated by the operation of the induced draft fan, so that the technical problems that the high-temperature electric arc ablates and rolls a current collector component and the power supply conductor can be avoided. The rolling power receiver can generate heat by friction in the movement process, and meanwhile, the current can generate heat when passing through the rolling power receiver, the friction resistance, the conductivity and other performances of the rolling power receiver can be reduced due to the heating and the temperature rise of the rolling power receiver, the air flow generated by the fan can play a remarkable role in cooling the rolling power receiver, and the stability of the performance of the rolling power receiver can be maintained; and the cooling of the current collector has a certain effect of inhibiting the generation of electric arcs.
2. The invention relates to a vehicle dynamic running current collector with an arc extinguishing function, which is provided with an electromagnetic adsorption component, wherein when a conductive frame approaches a power supply conductor but is not close to the power supply conductor (at the moment, the power supply conductor and the conductive frame are easy to discharge to generate an electric arc), the magnetic force generated by the electromagnetic adsorption component can enable the conductive frame to be accelerated instantaneously to be in contact with the power supply conductor; similarly, when the charging is finished, the separation of the conductive frame and the power supply conductor can be accelerated by introducing reverse current to the electromagnetic adsorption assembly; the contact and separation speed of the conductive frame and the power supply conductor is increased, so that the effect of reducing the generation of electric arcs can be achieved. Meanwhile, the electromagnet is attractive to the electric arc, so that the electric arc can be further accelerated to leave the rolling power receiver.
3. The spring shock absorber provided by the invention can reduce the impact force at the moment of contact between the rolling power receiver component and the power supply conductor, and can protect the power receiver and the power supply conductor. Meanwhile, the spring shock absorber can apply certain pressure in the charging process to enable the rolling power receiver to be in stable contact with the power supply conductor, and charging fluctuation and electric arc caused by time-to-time separation of the roller shaft and the power supply conductor are avoided.
4. The vehicle dynamic running current collector with the arc extinguishing function is characterized in that the conducting frame is arranged on the guide shell, and the guide shell enables air flow to intensively enter the guide shell from the rolling current collector body, so that the rolling current collector body can be cooled better.
5. According to the dynamic running current collector with the arc extinguishing function, when the induced draft fan works, negative pressure is formed inside the guide shell, and the guide shell enables the rolling current collector component to have adsorption force adsorbed on the power supply conductor under the action of internal and external pressure difference, so that the rolling current collector can be contacted with the power supply conductor more stably, and the charging reliability is improved.
Drawings
Fig. 1 is a schematic structural diagram of a dynamic running current collector with an arc extinguishing function for a vehicle in an embodiment;
FIG. 2 is a schematic diagram of a rolling power receiver assembly;
fig. 3 is a schematic structural diagram of the electromagnetic adsorption assembly.
Detailed Description
The invention is further described below with reference to the drawings and examples.
Embodiment 1 as shown in fig. 1, the vehicle dynamic running current collector with an arc extinguishing function of the embodiment comprises a rolling current collector component and an arc extinguishing component.
The rolling power receiver assembly comprises a conductive frame 2 and a plurality of rolling power receivers 3 arranged on the conductive frame, wherein a wire connector 4 is arranged on the conductive frame. In a specific implementation, the rolling power receiver may be a roller, a roll shaft, a universal ball, or the like.
The arc extinguishing assembly comprises a guide shell 5 and an induced draft fan 6, an air pipe 7 connected with an air inlet of the induced draft fan is arranged on the guide shell, and the conductive frame is connected to the guide shell.
In the embodiment, the air suction fan is arranged on the guide shell of the vehicle dynamic running current collector with the arc extinguishing function, and when the current collector contacts with the power supply conductor to generate an electric arc, the electric arc can be rapidly pumped away by air flow generated by the work of the air suction fan, so that the technical problems that the high-temperature electric arc ablates and rolls the power receiver component and the power supply conductor can be avoided. The air flow generated by the fan can also play a role in cooling the rolling power receiver, so that the stability of the performance of the rolling power receiver can be maintained; and the cooling of the current collector has a certain effect of inhibiting the generation of electric arcs. And the induced draft fan makes the blower fan during operation inside the shell body form the negative pressure, under the effect of adsorption force to make the rolling power receiver can more stable with the contact of power supply conductor, further improved the reliability of charging.
As an improvement of the embodiment 1, the dynamic running current collector with arc extinguishing function further comprises an electromagnetic adsorption assembly, wherein the electromagnetic adsorption assembly comprises an insulating frame 8 and an electromagnet 9 arranged on the insulating frame, and the insulating frame is further provided with a positive electrode lug 10 and a negative electrode lug 11 which are respectively connected with two ends of a coil of the electromagnet; the insulating frame is arranged between the conductive frame and the bottom of the diversion shell.
The improvement is that by arranging the electromagnetic adsorption component, when the conductive frame approaches the power supply conductor but is not close to the power supply conductor (when the power supply conductor and the conductive frame are easy to discharge to generate an electric arc), the power supply conductor is arranged into a belt-shaped structure in the implementation, the rolling power receiving body rolls on the power supply conductor, and the magnetic force generated by the electromagnetic adsorption component can enable the conductive frame to be in instant acceleration contact with the power supply conductor (in the implementation, the back side of the power supply conductor is provided with a permanent magnet matched with the electromagnetic adsorption component); similarly, when the charging is finished, the separation of the conductive frame and the power supply conductor can be accelerated by introducing reverse current to the electromagnetic adsorption assembly; the contact and separation speed of the conductive frame and the power supply conductor is increased, so that the effect of reducing the generation of electric arcs can be achieved. Meanwhile, the electromagnet is attractive to the electric arc, so that the electric arc can be further accelerated to leave the rolling power receiver.
Further, the outside of electro-magnet parcel has high temperature protection shell 12, and this improvement can protect electro-magnet through high temperature protection shell and avoid it to burn out by the electric arc.
As a first modification of the power receiver assembly in embodiment 1 or its modification, as shown in fig. 2, the rolling power receiver 3 is a roller or a roll shaft, the conductive frame 2 includes a frame 201 and a spring damper 202 disposed obliquely below the frame for connecting the roller or the roll shaft, an upper end of the spring damper is connected to a bottom of the frame, and the roller or the roll shaft is disposed on a lower end of the spring damper.
The spring shock absorber can reduce the impact force of the rolling power receiver component in the moment of contacting with the power supply conductor, and can protect the power receiver and the power supply conductor. Meanwhile, the spring shock absorber can apply certain pressure in the charging process to enable the rolling power receiver to be in stable contact with the power supply conductor, and charging fluctuation and electric arc caused by time-to-time separation of the roller shaft and the power supply conductor are avoided.
Further, the upper end of the spring damper is connected to the bottom of the frame body through a bearing arranged vertically, and a limiting rod 13 for limiting the deflection angle of the spring damper around the center of the bearing is further arranged on the frame body. Since the current-supply conductors are arranged along the roadway, the current-supply conductors may have a certain curvature with the roadway. The improvement ensures that the roller or the roller shaft not only can roll and advance along the power supply conductor, but also can flexibly deflect along the bending of the road, thereby further reducing the advancing resistance of the rolling power receiver.
As a second modification of the power receiver assembly in embodiment 1 or its modification, as shown in fig. 3, the rolling power receiver 3 is a universal ball, and the conductive frame 2 includes a frame 201, a ball seat plate 203, and a spring damper 202 connecting the frame and the ball seat plate, and the universal ball is disposed on the ball seat plate. In this improvement, the spring damper 202 can reduce the impact force when the rolling power receiver contacts with the power supply conductor, and the flexible performance of the universal ball can better reduce the friction resistance between the universal ball and the power supply conductor in the moving power receiving process. Of course, in the implementation, the roller shaft and the universal ball can also be combined and applied to the same power receiver component.
The vehicle dynamic running current collector with the arc extinguishing function in the embodiment further comprises a current collector rod connector connected to the flow guide shell, so that the current collector can be conveniently connected with the current collector rod arranged on the vehicle. In a specific implementation, the suction fan 6 may be mounted on the power receiving pole.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.
Claims (6)
1. The utility model provides a take dynamic current collector that traveles of vehicle of arc extinguishing function which characterized in that: the rolling power receiver comprises a rolling power receiver component and an arc extinguishing component;
the rolling power receiver assembly comprises a conductive frame and a plurality of rolling power receivers arranged on the conductive frame, wherein a wire connector is arranged on the conductive frame;
the arc extinguishing assembly comprises a guide shell and an induced draft fan, an air pipe connected with an air inlet of the induced draft fan is arranged on the guide shell, and the conductive frame is connected to the guide shell;
the vehicle dynamic running current collector with the arc extinguishing function further comprises an electromagnetic adsorption assembly, wherein the electromagnetic adsorption assembly comprises an insulating frame and an electromagnet arranged on the insulating frame, and the insulating frame is further provided with a positive electrode connector lug and a negative electrode connector lug which are respectively connected with two ends of a coil of the electromagnet; the insulating frame is arranged between the conductive frame and the bottom of the diversion shell;
the rolling power receiving body is a roller or a roller shaft, the conductive frame comprises a frame body and a spring damper which is obliquely arranged below the frame body and used for being connected with the roller or the roller shaft, the upper end of the spring damper is connected to the bottom of the frame body, and the roller or the roller shaft is arranged at the lower end of the spring damper.
2. The dynamic running current collector with an arc extinguishing function for a vehicle according to claim 1, wherein: the outside of the electromagnet is wrapped with a high-temperature protective shell.
3. The dynamic running current collector with an arc extinguishing function for a vehicle according to claim 1, wherein: the upper end of the spring damper is connected to the bottom of the frame body through a bearing which is vertically arranged, and the frame body is also provided with a limiting rod which limits the deflection angle of the spring damper around the center of the bearing.
4. The dynamic running current collector with an arc extinguishing function for a vehicle according to claim 1, wherein: the rolling power receiver is a universal ball, and the conductive frame comprises a frame body, a ball seat plate and a spring damper for connecting the frame body and the ball seat plate, and the universal ball is arranged on the ball seat plate.
5. The dynamic running current collector with an arc extinguishing function for a vehicle according to claim 1, wherein: the electric pole connector is connected to the guide shell.
6. The dynamic running current collector with an arc extinguishing function for a vehicle according to claim 1, wherein: the conductive frame is positioned on the inner side of the diversion shell.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910175864.XA CN109733224B (en) | 2019-03-08 | 2019-03-08 | Dynamic running current collector with arc extinguishing function for vehicle |
| PCT/CN2019/078342 WO2020181563A1 (en) | 2019-03-08 | 2019-03-15 | Dynamic vehicle driving current collector having arc quenching function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910175864.XA CN109733224B (en) | 2019-03-08 | 2019-03-08 | Dynamic running current collector with arc extinguishing function for vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109733224A CN109733224A (en) | 2019-05-10 |
| CN109733224B true CN109733224B (en) | 2023-08-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910175864.XA Active CN109733224B (en) | 2019-03-08 | 2019-03-08 | Dynamic running current collector with arc extinguishing function for vehicle |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109733224B (en) |
| WO (1) | WO2020181563A1 (en) |
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| CN1048360A (en) * | 1990-08-03 | 1991-01-09 | 张毅 | A kind of method that contacts transmission current between rail elec. vehicle and circuit |
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| JP2013233037A (en) * | 2012-04-27 | 2013-11-14 | Honda Motor Co Ltd | Contact charging method and contact charging system for electric vehicle |
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| CN101367341A (en) * | 2008-10-08 | 2009-02-18 | 湖南中通电气有限公司 | Electric receiving apparatus for electric locomotive and special converter thereof |
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| CN112467609A (en) * | 2018-12-13 | 2021-03-09 | 杭州申昊科技股份有限公司 | A patrol and examine robot for transformer substation high altitude power transmission line |
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2019
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- 2019-03-15 WO PCT/CN2019/078342 patent/WO2020181563A1/en active Application Filing
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| JPS6328591A (en) * | 1986-07-21 | 1988-02-06 | 株式会社東芝 | Robot brake gear and braking method thereof |
| EP0371205A2 (en) * | 1988-11-30 | 1990-06-06 | International Business Machines Corporation | Transfer Device |
| CN1048360A (en) * | 1990-08-03 | 1991-01-09 | 张毅 | A kind of method that contacts transmission current between rail elec. vehicle and circuit |
| CN103159027A (en) * | 2011-12-19 | 2013-06-19 | 株式会社大福 | Ceilling installation type article transport facility |
| JP2013233037A (en) * | 2012-04-27 | 2013-11-14 | Honda Motor Co Ltd | Contact charging method and contact charging system for electric vehicle |
| CN103659791A (en) * | 2012-09-26 | 2014-03-26 | 电装波动株式会社 | Wireless power transmission apparatus and direct drive type system including the apparatus |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2020181563A1 (en) | 2020-09-17 |
| CN109733224A (en) | 2019-05-10 |
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