WO2021104438A1 - 车辆供电装置 - Google Patents

车辆供电装置 Download PDF

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Publication number
WO2021104438A1
WO2021104438A1 PCT/CN2020/132181 CN2020132181W WO2021104438A1 WO 2021104438 A1 WO2021104438 A1 WO 2021104438A1 CN 2020132181 W CN2020132181 W CN 2020132181W WO 2021104438 A1 WO2021104438 A1 WO 2021104438A1
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WO
WIPO (PCT)
Prior art keywords
power supply
scissor
supply device
driving
vehicle power
Prior art date
Application number
PCT/CN2020/132181
Other languages
English (en)
French (fr)
Inventor
李鹏飞
吴超睿
曾紫微
Original Assignee
比亚迪股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 比亚迪股份有限公司 filed Critical 比亚迪股份有限公司
Priority to BR112022010236A priority Critical patent/BR112022010236A2/pt
Priority to US17/780,501 priority patent/US20230001807A1/en
Publication of WO2021104438A1 publication Critical patent/WO2021104438A1/zh

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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
    • B60L53/30—Constructional details of charging stations
    • B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
    • 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
    • B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
    • 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
    • B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
    • B60L5/04—Current collectors for power supply lines of electrically-propelled vehicles using rollers or sliding shoes in contact with trolley wire
    • B60L5/12—Structural features of poles or their bases
    • B60L5/16—Devices for lifting and resetting the collector
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
    • B66F7/08—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement hydraulically or pneumatically operated
    • 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

Definitions

  • This application relates to the technical field of vehicle power supply, and in particular to a vehicle power supply device.
  • the new energy vehicles in the related technology usually use a liftable power supply device for power supply.
  • the lifting of the power supply device is realized by a scissor lift mechanism.
  • the drive device of the scissor lift mechanism is driven by hydraulic pressure.
  • the drive device is driving During the process, it will swing, resulting in poor stability, and the drive device occupies a large space, which is not conducive to the overall structural arrangement of the power supply device.
  • an objective of the present application is to propose a vehicle power supply device, which can have the advantages of high stability, high space utilization, and favorable overall structural arrangement.
  • a vehicle power supply device includes: a fixed seat; a scissor lift mechanism installed on the fixed seat; a power supply head, the power supply head Installed on the scissor-type lifting mechanism and driven by the scissor-type lifting mechanism; a drive device, the drive device includes a drive unit and a transmission unit for converting rotary motion into linear motion, the drive unit and The transmission unit is stacked in the lifting direction of the scissor-type lifting mechanism, and the drive unit is connected to the scissor-type lifting mechanism through the transmission unit to drive the scissor-type lifting mechanism to lift.
  • the driving device includes a driving unit and a transmission unit, and the transmission unit can convert rotational motion into linear motion. Therefore, due to the change of the driving force transmission path, not only the form of the driving unit can be changed. More diversified, and because the drive unit is not directly connected with the scissor-type lifting mechanism, so when the drive device drives the scissor-type lifting mechanism to lift, the drive unit will not swing with it, which improves the stability and improves the movement of the power supply head. Stability, which in turn facilitates alignment during charging.
  • the driving device integrates the transmission unit, and based on the change of the driving force path by the transmission unit, the driving unit and the transmission unit can be stacked in the lifting direction of the scissor lifting mechanism, which can reduce the occupation of the driving device.
  • the horizontal space of the vehicle will not affect the overall height of the vehicle power supply device in the height direction. Therefore, the utilization rate of the space is improved, and the overall structure of the vehicle power supply device is arranged.
  • the driving device is installed on the fixing base, and the transmission unit is located between the fixing base and the driving unit.
  • the driving device further includes a housing, the housing is mounted on the fixing base, the transmission unit is disposed in the housing, and the drive unit is mounted on the housing and extends The housing is connected to the transmission unit.
  • the transmission unit includes: a driving screw, which is in transmission connection with the driving unit and is driven to rotate by the driving unit; a driven screw, which is connected to the driven screw.
  • the active lead screw is threadedly connected and converts the rotary motion of the active lead screw into the linear motion of the driven lead screw, and the driven lead screw is connected with the scissor lift mechanism.
  • the driving unit is a motor
  • the transmission unit further includes: a driving wheel, which is drivingly connected to the motor shaft of the motor; a driven wheel, which is connected to the driving screw Transmission connection; a transmission belt, the transmission belt is sleeved on the driving wheel and the driven wheel.
  • the driving screw extends into the driven screw, the driving screw is configured with an external thread and the driven screw is configured with an internal thread that cooperates with the external thread.
  • one of the driven screw and the housing is provided with a sliding groove and the other is provided with a sliding rib, and the sliding rib is slidably fitted with the sliding groove and both It extends along the axial direction of the driven screw.
  • an end of the driven lead screw away from the active lead screw is provided with a joint, and the driven lead screw is connected to the scissor lift mechanism through the joint.
  • the housing includes: a cylinder, the driven screw is provided in the cylinder; a plug, the plug is provided at one end of the cylinder, the driven screw One end away from the active screw extends out of the plug; an intermediate cylinder, the intermediate cylinder is provided at the other end of the cylinder, and the active screw is supported by the intermediate cylinder through a bearing; an intermediate cover, The intermediate cover is arranged on the intermediate cylinder, the driving unit is installed on the intermediate cover; an end cover, the end cover is arranged on the intermediate cover, the driving wheel, the driven wheel and the transmission belt Set in the end cap.
  • the scissor lift mechanism includes at least one scissor swing bar group, the scissor swing bar group includes at least one pair of swing bars, and each pair of the swing bars includes a cross arrangement and is hinged to each other The two pendulum rods of the pair of pendulum rods closest to the fixed seat are respectively mounted on the fixed seat.
  • the scissor lift mechanism includes at least one scissor swing bar group, the scissor swing bar group includes a plurality of pairs of swing bars, and each pair of the swing bars includes cross-arranged and articulated swing bars.
  • Two pendulum rods, the ends of the pendulum rods in the two adjacent pairs of pendulum rods are respectively hinged, and the two pendulum rods of the pair of pendulum rods closest to the fixing seat are respectively mounted on the fixing seat.
  • one of the pair of swing rods closest to the fixed seat is hinged on the fixed seat, and the other of the pair of swing rods closest to the fixed seat is slidably mounted on On the fixed seat, the drive unit drives the other of the pair of swing rods closest to the fixed seat to slide on the fixed seat through the transmission unit.
  • the fixing seat is provided with a first guide rail, and the other of the pair of swing rods closest to the fixing seat is hinged with a first sliding rod, and the first sliding rod is slidably connected.
  • the driving unit Fitted to the first guide rail, the driving unit is connected to the first sliding rod through the transmission unit.
  • two opposite sides of the first guide rail are respectively provided with first grooves extending along the length direction of the first guide rail, and a first sliding block is provided on the first sliding rod,
  • the first sliding block is configured with first clamping jaws respectively fitted in the first grooves.
  • one of the pair of pendulum rods farthest from the fixing seat is hinged on the power supply head, and the other of the pair of pendulum rods farthest from the fixing seat is slidably connected. Installed on the power supply head.
  • the power supply head is provided with a second guide rail, and the other of the pair of swing rods farthest from the fixing seat is hinged with a second sliding rod, and the second sliding rod is slidable Ground is fitted to the second guide rail.
  • the second slide bar is parallel to the position of the first slide bar.
  • two opposite sides of the second guide rail are respectively provided with second grooves extending along the length direction of the second guide rail, and a second sliding block is provided on the second sliding rod,
  • the second sliding block is configured with second clamping jaws respectively fitted in the second grooves.
  • the scissor type lifting mechanism further includes: a connecting rod, the The connecting rod is connected between two adjacent scissor pendulum rod groups, so that a plurality of the scissor pendulum rod groups can be raised and lowered synchronously; wherein, in each of the scissor pendulum rod groups, the closest to the fixed seat One of the pair of swing rods is hinged on the fixed seat, and the other of the pair of swing rods closest to the fixed seat in each of the scissor swing rod groups is hinged to the first sliding rod, and each One of the pair of pendulum rods farthest from the fixed seat in the scissor pendulum rod group is hinged to the power supply head, and the one in each of the scissor pendulum rod groups that is farthest from the fixed seat
  • the scissor lift mechanism further includes a push rod connected between the first sliding rods of two adjacent scissor pendulum rod groups, and
  • the driving device is installed on the fixed seat and drives a plurality of the first sliding rods through the push rod.
  • the power supply head includes: a base frame, two pendulum rods of a pair of pendulum rods farthest from the fixing seat are installed on the base frame; a support plate through which the support plate passes The insulator is installed on the bottom frame; the electrode plate is installed on the corresponding support plate.
  • the power supply head further includes a signal board, and the signal board is installed on a corresponding support board.
  • the electrode plate and the signal plate are respectively mounted on the corresponding support plate through elastic members.
  • the two electrode plates are arranged in parallel and arranged at intervals along the length direction of the electrode plates.
  • the three signal plates are arranged in parallel and are arranged at intervals along the width direction of the signal plate, the electrode plates are two, and the two electrode plates are arranged in parallel The electrode plates are arranged at intervals along the width direction of the electrode plates, and the two electrode plates are respectively located on one side of the length direction of the two outermost signal plates.
  • Fig. 1 is a schematic diagram of the structure of a vehicle power supply device in the prior art.
  • Fig. 2 is a schematic structural diagram of a vehicle power supply device according to an embodiment of the present application.
  • Fig. 3 is a schematic structural diagram from another angle of the vehicle power supply device according to an embodiment of the present application.
  • Fig. 4 is a schematic structural diagram of a driving device of a vehicle power supply device according to an embodiment of the present application.
  • Fig. 5 is a schematic structural diagram of a power supply head of a vehicle power supply device according to another embodiment of the present application.
  • Scissor lifting mechanism 200 scissors swing rod group 210, swing rod 211, first sliding rod 240, first sliding block 241, first clamping jaw 242, second sliding rod 250, second sliding block 251, connecting rod 260.
  • Transmission unit 800 driving screw 810, external thread 811, driven screw 820, internal thread 821, driving wheel 830, driven wheel 840, driving belt 850, joint 860, sliding groove 870, sliding rib 880,
  • the vehicle power supply device 1 can be used as a current taking device connected to the vehicle, or can be used as a current transfer device to be connected to a charger.
  • the vehicle power supply device 1 includes a fixed seat 100, a scissor lift mechanism 200, a power supply head 300 and a driving device 400.
  • the scissor lift mechanism 200 is installed on the fixing base 100.
  • the power supply head 300 is installed on the scissor lift mechanism 200 and is driven by the scissor lift mechanism 200 to lift.
  • the driving device 400 includes a driving unit 700 and a transmission unit 800 for converting rotary motion into linear motion.
  • the driving unit 700 and the transmission unit 800 are stacked in the lifting direction of the scissor lift mechanism 200, for example, the driving unit 700 and the transmission unit.
  • the units 800 are stacked up and down, and the driving unit 700 is connected to the scissor lift mechanism 200 through the transmission unit 800 to drive the scissor lift mechanism 200 to lift.
  • the driving device 400 includes a driving unit 700 and a transmission unit 800, and the transmission unit 800 can convert rotational motion into linear motion. Therefore, due to the change of the driving force transmission path, it can not only
  • the form of the driving unit 700 is more diversified, for example, a method other than hydraulic pressure, such as a motor, is used.
  • the drive unit 700 is connected to the scissor lift mechanism 200 through the drive unit 800 that can change the force transmission path, that is, the drive unit 700 is not directly connected to the scissor lift mechanism 200, so the drive device 400 is driving the scissor lift
  • the mechanism 200 is raised and lowered, its driving unit 700 will not swing with it, which improves the stability, thereby improving the smoothness of the movement of the power supply head 300, thereby facilitating the alignment during charging.
  • the driving device 400 integrates the transmission unit 800 and changes the driving force path based on the transmission unit 800, the arrangement of the driving unit 700 and the transmission unit 800 can be made more flexible.
  • sufficient space must be reserved in the lifting direction of the scissor-type lifting mechanism 200, and the driving unit 700 is stacked in this direction.
  • the transmission unit 800 With the transmission unit 800, the space in the lifting direction of the scissor lift mechanism 200 can be fully utilized, and the horizontal space occupied by the driving device 400 can be reduced, thereby improving the utilization rate of the space and facilitating the overall structure of the vehicle power supply device 1.
  • the scissor lift mechanism 200 when the scissor lift mechanism 200 is in the folded state, a certain space is still needed in the lifting direction to accommodate the scissor lift mechanism 200 in the folded state, as long as the overall height of the driving unit 700 and the transmission unit 800 after being stacked is less than
  • the height of the scissor lift mechanism 200 in the folded state does not affect the folding of the scissor lift mechanism 200. That is to say, the stacking of the driving unit 700 and the transmission unit 800 not only reduces the horizontal space occupied, but also does not affect the overall height of the vehicle power supply device 1 in the height direction.
  • the vehicle power supply device 1 according to the embodiment of the present application has the advantages of high stability, and facilitates the layout of the overall structure.
  • the driving device 400 is installed on the fixed base 100, and the transmission unit 800 is located between the fixed base 100 and the driving unit 700.
  • the fixed base 100 is arranged horizontally, and the scissor lift The mechanism 200 is arranged on the upper surface of the fixed base 100
  • the driving device 400 is installed on the upper surface of the fixed base 100 and is located below the scissor lift mechanism 200
  • the transmission unit 800 is located above the fixed base 100
  • the drive unit 700 is located above the transmission unit 800 Therefore, the driving device 400 can be stably fixed on the fixing base 100, the position remains unchanged during operation, and the arrangement of the driving unit 700 and the transmission unit 800 occupies a smaller space, and the output of the driving force is more stable.
  • the driving device 400 further includes a housing 900, the housing 900 is mounted on the fixing base 100, the transmission unit 800 is disposed in the housing 900, and the driving unit 700 is mounted on the housing 900 and extends into the housing 900 and the transmission unit 800.
  • the housing 900 can not only fix the driving device 400 as a whole on the fixing base 100, but also integrate the driving unit 700 and the transmission unit 800 into a whole, and play a protective role.
  • the transmission unit 800 includes a driving screw 810 and a driven screw 820.
  • the driving screw 810 is in transmission connection with the driving unit 700 and is driven to rotate by the driving unit 700.
  • the driven screw 820 is threadedly connected with the driving screw 810 and converts the rotational movement of the driving screw 810 into linear movement of the driven screw 820, and the driven screw 820 is connected with the scissor lift mechanism 200.
  • the driven screw 820 has a hollow structure
  • the active screw 810 extends into the driven screw 820
  • the active screw 810 is configured with an external thread 811
  • the driven screw 820 is configured with an internal thread 821 that cooperates with the external thread 811
  • the external thread 811 and the internal thread 821 may be configured on the relatively large diameter portions of the driving screw 810 and the driven screw 820, respectively.
  • the driving unit 700 drives the driving screw 810 to rotate, and when the driving screw 810 rotates, the driven screw 820 is driven to move linearly, and the linear movement of the driven screw 820 is used to drive the scissor lift mechanism 200 to lift.
  • one of the driven screw 820 and the housing 900 is provided with a sliding groove 870 and the other is provided with a sliding rib 880.
  • the sliding rib 870 and the sliding groove 880 slidably cooperate with each other along the The moving screw 820 extends in the axial direction.
  • the sliding groove 870 is provided on the outer peripheral surface of the larger diameter part of the driven screw 820 and extends along the axial direction of the driven screw 820
  • the sliding rib 880 is provided on the housing 900
  • the length of the sliding rib 880 is relatively long.
  • the sliding rib 880 is slidably fitted with the sliding groove 870, thereby positioning the driven screw 820 in a circumferential direction, preventing the driven screw 820 from rotating, and allowing the driven screw 820 to slide axially.
  • the driven screw 820 moves linearly when the active screw 810 rotates, and in order to ensure the reliability of the cooperation between the sliding rib 880 and the sliding groove 870, the sliding groove 870 can be provided on the lower surface of the driven screw 820, and accordingly, the sliding The rib 880 is provided on the bottom wall of the housing 900.
  • the driving unit 700 is a motor
  • the transmission unit 800 further includes a driving wheel 830, a driven wheel 840 and a driving belt 850.
  • the driving wheel 830 is drivingly connected with the motor shaft of the motor
  • the driven wheel 840 is drivingly connected with the driving screw 810
  • the driving belt 850 is sleeved on the driving wheel 830 and the driven wheel 840.
  • the motor shaft drives the driving wheel 830 to rotate, the driving wheel 830 drives the driven wheel 840 to rotate through the transmission belt 850, and the driven wheel 840 drives the driving screw 810 to rotate.
  • the driving unit 700 and the transmission unit 800 can be arranged side by side, that is, axially parallel, so that the driving unit 700 is arranged above the transmission unit 800 in a stacked arrangement.
  • the specific form of the transmission unit 800 is not limited to the combination of a lead screw and a belt, and one of lead screws, gears, belts, and sheaves can also be used. Or multiple combinations.
  • the housing 900 includes a cylinder 910, a plug 920, a middle cylinder 930, a middle cover 940 and an end cover 950.
  • the driven screw 820 is arranged in the cylinder 910, and the sliding rib 880 can be arranged on the cylinder 910.
  • the plug 920 is provided at one end of the cylinder 910, and the plug 920 extends from the end of the driving screw 820 away from the driving screw 810.
  • the intermediate barrel 930 is disposed at the other end of the barrel 910, and the driving screw 810 is supported by the intermediate barrel 930 through a bearing 931.
  • the middle cover 940 is disposed on the middle tube 930, and the driving unit 700 is installed on the middle cover 940.
  • the end cover 950 is provided in the middle cover 940, and the driving wheel 830, the driven wheel 840 and the transmission belt 850 are provided in the end cover 950.
  • the housing 900 integrates the driving unit 700 and the transmission unit 800 into a whole, and the separate arrangement of the housing 900 facilitates the disassembly and assembly of the driving device 400 and facilitates subsequent maintenance.
  • the end of the driven screw 820 away from the active screw 810 (that is, the end protruding from the plug 920) is provided with a joint 860, and the driven screw 820 is connected to the scissor lift mechanism 200 through the joint 860.
  • the scissor lift mechanism 200 includes at least one scissor swing bar group 210, and the scissor swing bar group 210 includes at least one pair of swing bars 211, each pair
  • the pendulum rod 211 includes two pendulum rods 211 arranged crosswise and hinged to each other.
  • the ends of the pendulum rods 211 of the two adjacent pairs of pendulum rods 211 are respectively hinged, and are 100
  • Two pendulum bars 211 of the nearest pair of pendulum bars 211 are respectively mounted on the fixing base 100.
  • the power supply head 300 is installed on two swing rods 211 of a pair of swing rods 211 furthest from the fixing base 100.
  • the scissor swing rod group 210 includes a plurality of pairs of swing rods 211, and each pair of swing rods 211 includes two swing rods 211 arranged crosswise and hinged to each other. The ends of the swing rods 211 of the two adjacent pairs of swing rods 211 are respectively hinged. These hinge points realize the folding and extension of the swing rod 211, thereby realizing expansion and contraction.
  • the two swing rods 211 connected to the power supply head 300 are arranged on a horizontal surface of the power supply head 300 close to the fixing base 100, and are respectively adjacent to the left and right ends of the power supply head 300.
  • the end of the scissor lift mechanism is additionally provided with two small swing rods 20'.
  • the two small swing rods 20' are not cross-connected but directly hinged with the power supply head. In this way, the power supply head has a large variable swing during the movement, which is not conducive to the alignment during power supply.
  • the swing rod 20' in the related art is omitted, which not only has a simpler structure
  • the two swing rods 211 are arranged crosswise to make the power supply head 300 more stable during the movement, reduce the swing of the power supply head 300, thereby facilitating the alignment during power supply and improving the reliability of the power supply performance.
  • the vehicle power supply device 1 can have the advantages of stable structure and movement, and facilitate the alignment of power supply.
  • the form of the lifting mechanism in this application is not limited to the scissor type lifting mechanism, such as replacing the scissor type lifting mechanism with a multi-link lifting mechanism, a guided telescopic column lifting mechanism, and a linear slide rail lifting mechanism.
  • Organizations, etc. are also within the scope of protection of this application, are based on simple replacements or modifications of this application, and do not deviate from the principle and purpose of this application.
  • one of the pair of swing rods 211 closest to the fixing base 100 is hinged on the fixing base 100, and the pair of swing bars 211 closest to the fixing base 100 The other one is slidably mounted on the fixed base 100, and the drive unit 700 drives the other of the pair of swing rods 211 closest to the fixed base 100 to slide on the fixed base 100 through the transmission unit 800.
  • the fixing base 100 is provided with a first guide rail 110, and the other of the pair of swing rods 211 closest to the fixing base 100 is hinged with a first sliding rod 240, and the first sliding rod 240 is slidably connected.
  • the driving unit 700 is connected to the first sliding rod 240 through the transmission unit 800.
  • the opposite sides of the first guide rail 110 are respectively provided with first grooves 111 extending along the length direction of the first guide rail 110, the first sliding rod 240 is provided with a first sliding block 241, and the first sliding The block 241 is configured with first clamping jaws 242 respectively fitted in the first groove 111.
  • first sliding rod 24 is hinged to the fixing base 100, and the other swing rod 211 is hinged to the first sliding rod 24.
  • First grooves 111 are respectively provided on the front and rear sides of the first guide rail 110, and the first grooves 111 extend in the left-right direction.
  • the first sliding rod 240 is provided with a first sliding block 241, and the first sliding block 241 can be connected to the first sliding rod 240 by a threaded fixing member (for example, a bolt).
  • the first sliding block 241 is configured with a first clamping jaw 242 which is slidably fitted to the first groove 111.
  • the first clamping jaw 242 is blocked by the upper wall of the first groove 111. It can only slide along the length of the first groove 111 when it comes out.
  • the first guide rail 110 and the first sliding rod 240 the other one of the pair of swing rods 211 closest to the fixed base 100 is slidably mounted on the fixed base 100, and the first guide rail 110 is slidably mounted on the fixed base 100.
  • a first groove 111 is provided, and a first sliding block 241 with a first clamping jaw 242 is arranged on the first sliding rod 240. The cooperation of the first clamping jaw 242 and the first groove 111 can ensure the first sliding rod 240
  • the stability on the first guide rail 110 prevents the first sliding rod 240 from falling out of the first guide rail 110.
  • the drawing shows an example in which the driving unit 700 is a servo motor, and the transmission unit 800 is drivingly connected to the first sliding rod 240 through a push rod 410.
  • the driven screw 820 is connected to the push rod 410 through a joint 860 thereon, and when the driven screw 820 performs linear motion, the push rod 410 is driven to perform linear motion, thereby driving the first sliding rod 240 Sliding along the first guide rail 110, where the joint 860 is arranged not only to facilitate the connection of the driven screw 820 and the push rod 410, but also to connect the push rod 410 of different specifications.
  • the push rod 410 and the first sliding rod 240 can pass through Threaded fastener connections, such as bolts.
  • the driving device 400 transmits the driving force to the first sliding rod 240 through the push rod 410, thereby driving the entire scissor lift mechanism 200 to lift.
  • the push rod 410 is arranged parallel to the fixing base 100. In this way, the work efficiency of the driving device 400 is the highest, the first sliding rod 240 and the first guide rail 110 are not easily damaged, and the structure is stable. In addition, the driving device 400 pushes the first sliding rod 240 in a horizontal manner, which can further improve the stability of the power supply head 300 when it moves.
  • the push rod 410 can also be arranged at a certain angle to the fixing base 100, as long as the push rod 410 can be extended and contracted normally.
  • one of the pair of swing rods 211 farthest from the fixing base 100 is hinged on the power supply head 300, and the pair of pendulum bars 211 farthest from the fixing base 100
  • the other of the rods 211 is slidably mounted on the power supply head 300.
  • the power supply head 300 is provided with a second guide rail 310, and the other of the pair of swing rods 211 farthest from the fixing seat 100 is hinged with a second sliding rod 250, and the second sliding rod 250 is slidable.
  • the ground is fitted to the second guide rail 310.
  • two opposite sides of the second guide rail 310 are respectively provided with second grooves 311 extending along the length direction of the second guide rail 310, the second sliding rod 250 is provided with a second sliding block 251, and the second sliding The block 251 is configured with second clamping jaws (not shown in the figure) respectively fitted in the second grooves 311.
  • one of the two uppermost swing rods 211 of the scissors swing rod group 210 is hinged to the power supply head 300, and the other swing rod 211 is hinged to the rear end of the second sliding rod 250.
  • a second groove 311 is provided on the front and rear sides of the second guide rail 310, and the second groove 311 extends in the left-right direction.
  • the second sliding rod 250 is provided with a second sliding block 251, and the second sliding block 251 can be connected to the second sliding rod 250 through a threaded fixing member (for example, a bolt).
  • the second sliding block 251 is configured with a second clamping jaw, which is slidably fitted to the second groove 311. The second clamping jaw cannot escape due to the stop of the lower wall of the second groove 311. It can slide along the length of the second groove 311.
  • the other one of the pair of swing rods 211 farthest from the fixing base 100 is slidably mounted on the power supply head 300, and the second guide rail 310
  • a second groove 311 is provided on the second sliding rod 250, and a second sliding block 251 with a second clamping jaw is arranged on the second sliding rod 250.
  • the cooperation of the second clamping jaw and the second groove 311 can ensure that the second sliding rod 250 is The stability on the second guide rail 310 prevents the second sliding rod 250 from falling out of the second guide rail 310.
  • the positions of the second sliding rod 250 and the first sliding rod 240 may be arranged in parallel.
  • the figure shows that the second sliding rod 250 and the first sliding rod 240 are both located in the shear An example of the right side of the fork lift mechanism 200.
  • FIGS. 2 and 3 there are multiple scissor pendulum rod groups 210, and the multiple scissor pendulum rod groups 210 may be arranged at intervals in the front and rear directions, and the scissor type lifting mechanism 200
  • a connecting rod 260 is included, and the connecting rod 260 is connected between two adjacent scissor pendulum rod groups 210, so that a plurality of scissor pendulum rod sets 210 are raised and lowered synchronously.
  • the connecting rod 260 is connected to two adjacent scissor pendulum rod groups.
  • the pendulum bars 211 located on the inner side of the pendulum bar group 210 are connected.
  • one of the pair of swing rods 211 closest to the fixed seat 100 in each scissor swing rod group 210 is hinged to the fixed seat 100, and the pair of swing bars closest to the fixed seat 100 in each scissor swing rod group 210
  • the other of the pendulum rods 211 is hingedly connected to the first sliding rod 240, and one of the pair of pendulum rods 211 farthest from the fixed seat 100 in each scissor pendulum rod group 210 is hinged on the power supply head 300, and each scissors
  • the other of the pair of swing rods 211 furthest from the fixed seat 100 in the fork swing rod group 210 is hinged to the second sliding rod 250.
  • the connecting rods 260 are respectively connected to the pendulum rods 211 located on the inner side of two adjacent scissor pendulum rod groups 210 and the number is multiple.
  • the left swing rod 211 is hinged on the power supply head 300, and the right side is hinged on the second sliding rod 250.
  • the left swing rod 211 is hinged to the fixing base 100, and the right side is hinged to the first sliding rod 240.
  • the stability of the power supply head 300 during lifting can be improved, and the arrangement of the connecting rod 260 can stabilize the relative position between the plurality of scissor pendulum rod groups 210, thereby improving The stability of the scissor lift mechanism 200.
  • the scissor lift mechanism 200 further includes a push rod 410 connected between the first sliding rods 240 of two adjacent scissor pendulum rod groups 210, and the driving device 400 is mounted on a fixed seat A plurality of first sliding rods 240 are driven by the push rod 410 on the upper side 100.
  • both of the first sliding bars 240 of two adjacent scissor pendulum bar sets 210 may be provided.
  • the number of the push rods 410 in other words, the number of the push rods 410 is one less than the number of the scissor swing rod group 210, and is the same as the number of the first slide rod 240.
  • the plurality of push rods 410 are all connected to the driving device 400 so that the driving device 400 drives the plurality of push rods 410 to synchronously drive the plurality of first sliding rods 240.
  • the power supply head 300 includes a base frame 320, a support plate 330, a signal plate 350 and an electrode plate 340.
  • the two pendulum bars 211 of the pair of pendulum bars 211 farthest from the fixing seat 100 are mounted on the base frame 320, the support plate 330 is mounted on the base frame 320 through the insulator 370, and the electrode plate 340 and the signal plate 350 are respectively mounted on the corresponding supports
  • the plate 330, for example, the electrode plate 340 and the signal plate 350 are respectively mounted on the corresponding support plate 330 through the elastic member 360, wherein the elastic member 360 may be a compression spring, a leaf spring or a plastic elastic member.
  • the number and location of the support plate 330, the electrode 340, the signal plate 350, the elastic member 360, and the insulator 370 can be set according to actual needs.
  • the power supply head 300 may not be provided with the signal plate 350, and there are two electrode plates 340, and the two electrode plates 340 are arranged in parallel and along the length direction of the electrode plates 340 (the left and right directions in FIG. 2) Arranged at intervals.
  • FIG. 5 there are three signal boards 350, and the three signal boards 350 are arranged in parallel and arranged at intervals along the width direction of the signal board 350 (the front-rear direction in FIG. 5).
  • There are two electrode plates 340 the two electrode plates 340 are arranged in parallel and arranged at intervals along the width direction of the electrode plate 340, and the two electrode plates 340 are respectively located on one side of the length direction of the two outermost signal plates 350.
  • the vehicle power supply device 1 of the embodiment of the present application active control of the charging process is realized, unnecessary charging times are reduced, and the service life of the charging device and the battery is prolonged.
  • the vehicle enters the station it can be lowered and charged according to the charging needs, which avoids the impact and impact noise between the charging devices when entering the station, and the power supply head rises and falls smoothly, which is beneficial to the alignment of the power supply.

Abstract

一种车辆供电装置(1)，车辆供电装置(1)包括：固定座(100)；剪叉式升降机构(200)，剪叉式升降机构(200)安装于固定座(100)；供电头(300)，供电头(300)安装于剪叉式升降机构(200)且由剪叉式升降机构(200)带动升降；驱动装置(400)，驱动装置(400)包括驱动单元(700)和用于将旋转运动转化为线性运动的传动单元(800)，驱动单元(700)和传动单元(800)在剪叉式升降机构(200)的升降方向上叠置，驱动单元(700)通过传动单元(800)与剪叉式升降机构(200)相连以驱动剪叉式升降机构(200)升降。

Description

车辆供电装置
相关申请的交叉引用
本申请要求比亚迪股份有限公司于2019年11月29日提交的、申请名称为“车辆供电装置”的、中国专利申请号“201911203639.9”的优先权。
技术领域
本申请涉及车辆供电技术领域，尤其是涉及一种车辆供电装置。
背景技术
相关技术中的新能源车辆，通常采用可升降的供电装置进行供电，供电装置的升降利用剪叉式升降机构实现，剪叉式升降机构的驱动装置采用液压等形式进行驱动，驱动装置在驱动的过程中会随之摆动，导致稳定性差，且驱动装置占用的空间较大，不利于供电装置的整体结构布置。
发明内容
本申请旨在至少解决现有技术中存在的技术问题之一。为此，本申请的一个目的在于提出一种车辆供电装置，该车辆供电装置能具有稳定性高、空间利用率高、利于整体结构布置等优点。
根据本申请的实施例提出一种车辆供电装置，所述车辆供电装置包括：固定座；剪叉式升降机构，所述剪叉式升降机构安装于所述固定座；供电头，所述供电头安装于所述剪叉式升降机构且由所述剪叉式升降机构带动升降；驱动装置，所述驱动装置包括驱动单元和用于将旋转运动转化为线性运动的传动单元，所述驱动单元和所述传动单元在所述剪叉式升降机构的升降方向上叠置，所述驱动单元通过所述传动单元与所述剪叉式升降机构相连以驱动所述剪叉式升降机构升降。
根据本申请实施例的车辆供电装置，其驱动装置包括驱动单元和传动单元，且传动单元能够将旋转运动转化为线性运动，由此，由于驱动力传递路径的改变，不仅能够使驱动单元的形式更加多样化，而且，由于驱动单元不与剪叉式升降机构直接连接，这样驱动装置在驱动剪叉式升降机构升降时，驱动单元不会随之摆动，提高稳定性，从而提高供电头运动的平稳性，进而利于充电时的对准。此外，由于驱动装置集成了传动单元，且基于传动单元对驱动力路径的改变，从而可以将驱动单元和传动单元在剪叉式升降机构的升降方向上叠置，这样可以减小驱动装置的占用的水平空间，且在高度方向上不会影响车辆供电装 置的整体高度。从而提高空间的利用率，利于车辆供电装置的整体结构的布置。
根据本申请的一些具体实施例，所述驱动装置安装于所述固定座，所述传动单元位于所述固定座和所述驱动单元之间。
在一些实施例中，所述驱动装置还包括：壳体，所述壳体安装于所述固定座，所述传动单元设于所述壳体内，所述驱动单元安装于所述壳体且伸入所述壳体与所述传动单元相连。
在一些实施例中，所述传动单元包括：主动丝杠，所述主动丝杠与所述驱动单元传动连接且由所述驱动单元驱动旋转；从动丝杠，所述从动丝杠与所述主动丝杠螺纹连接且将所述主动丝杠的旋转运动转化为所述从动丝杠的线性运动，所述从动丝杠与所述剪叉式升降机构相连。
在一些实施例中，所述驱动单元为电机，所述传动单元还包括：主动轮，所述主动轮与所述电机的电机轴传动连接；从动轮，所述从动轮与所述主动丝杆传动连接；传动皮带，所述传动皮带套设于所述主动轮和所述从动轮。
在一些实施例中，所述主动丝杠伸入所述从动丝杠，所述主动丝杠构造有外螺纹且所述从动丝杠构造有与所述外螺纹配合的内螺纹。
在一些实施例中，所述从动丝杠和所述壳体中的一个上设有滑槽且另一个上设有滑筋，所述滑筋与所述滑槽可滑动地配合且两者沿所述从动丝杠的轴向延伸。
在一些实施例中，所述从动丝杠的远离所述主动丝杠的一端设有接头，所述从动丝杠通过所述接头与所述剪叉式升降机构相连。
在一些实施例中，所述壳体包括：筒体，所述从动丝杠设于所述筒体内；堵头，所述堵头设于所述筒体的一端，所述从动丝杠的远离所述主动丝杠的一端伸出所述堵头；中间筒，所述中间筒设于所述筒体的另一端，所述主动丝杠通过轴承支撑于所述中间筒；中间盖，所述中间盖设于所述中间筒，所述驱动单元安装于所述中间盖；端盖，所述端盖设于所述中间盖，所述主动轮、所述从动轮和所述传动皮带设于所述端盖内。
根据本申请的一些实施例，所述剪叉式升降机构包括至少一个剪叉摆杆组，所述剪叉摆杆组包括至少一对摆杆，每对所述摆杆包括交叉设置且彼此铰接的两个摆杆，距所述固定座最近的一对摆杆中的两个摆杆分别安装于所述固定座。
根据本申请的一些实施例，所述剪叉式升降机构包括至少一个剪叉摆杆组，所述剪叉摆杆组包括多对摆杆，每对所述摆杆包括交叉设置且彼此铰接的两个摆杆，相邻两对摆杆中的摆杆的端部分别铰接，距所述固定座最近的一对摆杆中的两个摆杆分别安装于所述固定座。
根据本申请的一些实施例，距所述固定座最近的一对摆杆中的一个铰接在所述固定座上，距所述固定座最近的一对摆杆中的另一个可滑动地安装在所述固定座上，所述驱动单 元通过所述传动单元驱动距所述固定座最近的一对摆杆中的所述另一个在所述固定座上滑动。
在一些实施例中，所述固定座上设有第一导轨，距所述固定座最近的一对摆杆中的所述另一个铰接有第一滑杆，所述第一滑杆可滑动地配合于所述第一导轨，所述驱动单元通过所述传动单元与所述第一滑杆相连。
根据本申请的一些实施例，所述第一导轨的相对两侧面分别设有沿所述第一导轨的长度方向延伸的第一凹槽，所述第一滑杆上设有第一滑块，所述第一滑块构造有分别配合于所述第一凹槽内的第一夹爪。
根据本申请的一些实施例，距所述固定座最远的一对摆杆中的一个铰接在所述供电头上，距所述固定座最远的一对摆杆中的另一个可滑动地安装在所述供电头上。
在一些实施例中，所述供电头上设有第二导轨，距所述固定座最远的一对摆杆中的所述另一个铰接有第二滑杆，所述第二滑杆可滑动地配合于所述第二导轨。
在一些实施例中，所述第二滑杆与所述第一滑杆的位置平行。
根据本申请的一些实施例，所述第二导轨的相对两侧面分别设有沿所述第二导轨的长度方向延伸的第二凹槽，所述第二滑杆上设有第二滑块，所述第二滑块构造有分别配合于所述第二凹槽内的第二夹爪。
根据本申请的一些实施例，所述剪叉摆杆组为多个，多个所述剪叉摆杆组在前后方向上间隔设置，所述剪叉式升降机构还包括：连接杆，所述连接杆连接在相邻的两个剪叉摆杆组之间，以使多个所述剪叉摆杆组同步升降；其中，每个所述剪叉摆杆组中距所述固定座最近的一对摆杆中的一个均铰接在所述固定座上，每个所述剪叉摆杆组中距所述固定座最近的一对摆杆中的另一个铰接于第一滑杆，每个所述剪叉摆杆组中距所述固定座最远的一对摆杆中的一个均铰接在所述供电头上，每个所述剪叉摆杆组中距所述固定座最远的一对摆杆中的另一个均铰接于第二滑杆。
根据本申请的一些实施例，所述剪叉式升降机构还包括推杆，所述推杆连接在相邻的两个所述剪叉摆杆组的所述第一滑杆之间，所述驱动装置安装在所述固定座上且通过所述推杆驱动多个所述第一滑杆。
根据本申请的一些实施例，所述供电头包括：底架，距所述固定座最远的一对摆杆中的两个摆杆安装于所述底架；支撑板，所述支撑板通过绝缘子安装于所述底架；电极板，所述电极板安装于对应的支撑板。
在一些实施例中，所述供电头还包括：信号板，所述信号板安装于对应的支撑板。
在一些实施例中，所述电极板和所述信号板分别通过弹性件安装于对应的所述支撑板。
在一些实施例中，所述电极板为两个，两个所述电极板平行设置且沿所述电极板的长度 方向间隔排列。
在一些实施例中，所述信号板为三个，三个所述信号板平行设置且沿所述信号板的宽度方向间隔排列，所述电极板为两个，两个所述电极板平行设置且沿所述电极板的宽度方向间隔排列，两个所述电极板分别位于最外侧的两个所述信号板的长度方向上的一侧。
附图说明
本申请的上述优点结合下面附图对实施例的描述中将变得明显和容易理解，其中：
图1是现有技术中车辆供电装置的结构示意图。
图2是根据本申请一个实施例的车辆供电装置的结构示意图。
图3是根据本申请一个实施例的车辆供电装置的另一角度的结构示意图。
图4是根据本申请一个实施例的车辆供电装置的驱动装置的结构示意图。
图5是根据本申请另一个实施例的车辆供电装置的供电头的结构示意图。
附图标记：
车辆供电装置1、
固定座100、第一导轨110、第一凹槽111、
剪叉式升降机构200、剪叉摆杆组210、摆杆211、第一滑杆240、第一滑块241、第一夹爪242、第二滑杆250、第二滑块251、连接杆260、
供电头300、第二导轨310、第二凹槽311、底架320、支撑板330、电极板340、信号板350、弹性件360、绝缘子370、
驱动装置400、推杆410、
驱动单元700、
传动单元800、主动丝杠810、外螺纹811、从动丝杠820、内螺纹821、主动轮830、从动轮840、传动皮带850、接头860、滑槽870、滑筋880、
壳体900、筒体910、堵头920、中间筒930、轴承931、中间盖940、端盖950。
具体实施方式
下面详细描述本申请的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，仅用于解释本申请，而不能理解为对本申请的限制。
在本申请的描述中，需要理解的是，术语“中心”、“上”、“下”、“前”、“后”、“左”、“右”、“顶”、“底”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具 有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。
在本申请的描述中，“多个”的含义是两个或两个以上，“若干”的含义是一个或多个。
下面参考附图描述根据本申请实施例的车辆供电装置1，该车辆供电装置1可以作为取流装置而连接在车辆上，也可以作为授流装置而与充电器相连。
如图2-图5所示，根据本申请实施例的车辆供电装置1包括固定座100、剪叉式升降机构200、供电头300和驱动装置400。
剪叉式升降机构200安装于固定座100。供电头300安装于剪叉式升降机构200且由剪叉式升降机构200带动升降。驱动装置400包括驱动单元700和用于将旋转运动转化为线性运动的传动单元800，驱动单元700和传动单元800在剪叉式升降机构200的升降方向上叠置，例如，驱动单元700和传动单元800在上下方向上叠置，驱动单元700通过传动单元800与剪叉式升降机构200相连以驱动剪叉式升降机构200升降。
根据本申请实施例的车辆供电装置1，其驱动装置400包括驱动单元700和传动单元800，且传动单元800能够将旋转运动转化为线性运动，由此，由于驱动力传递路径的改变，不仅能够使驱动单元700的形式更加多样化，例如采用液压之外的方式，如电机等。
而且，由于驱动单元700通过能够改变传力路径的传动单元800与剪叉式升降机构200相连，即驱动单元700不与剪叉式升降机构200直接连接，这样驱动装置400在驱动剪叉式升降机构200升降时，其驱动单元700不会随之摆动，提高稳定性，从而提高供电头300运动的平稳性，进而利于充电时的对准。
此外，由于驱动装置400集成了传动单元800，且基于传动单元800对驱动力路径的改变，从而可以使驱动单元700和传动单元800的布置更加灵活，即将驱动单元700和传动单元800在剪叉式升降机构200的升降方向上叠置，由于为了满足剪叉式升降机构200的升降，剪叉式升降机构200的升降方向上需预留足够的空间，而在该方向上叠置驱动单元700和传动单元800，能够充分利用剪叉式升降机构200的升降方向上的空间，减小驱动装置400的占用的水平空间，从而提高空间的利用率，利于车辆供电装置1的整体结构的布置，且当剪叉式升降机构200处于折叠状态时，在升降方向上仍然需要一定的空间来容纳折叠状态的剪叉式升降机构200，只要保证驱动单元700和传动单元800叠置后的整体高度小于折叠状态的剪叉式升降机构200的高度，即可不影响剪叉式升降机构200的折叠。也就是说，驱动单元700和传动单元800的叠置，不仅减小了占用的水平空间，而且在高度方向上不会影响车辆供电装置1的整体高度。
因此，根据本申请实施例的车辆供电装置1具有稳定性高、利于整体结构的布置等优点。
在一些实施例中，如图2-图4所示，驱动装置400安装于固定座100，传动单元800位于固定座100和驱动单元700之间，例如，固定座100水平设置，剪叉式升降机构200 设置在固定座100的上表面，驱动装置400安装于固定座100的上表面且位于剪叉式升降机构200的下方，传动单元800位于固定座100上方，驱动单元700位于传动单元800上方，由此可以将驱动装置400稳定固定在固定座100上，工作时位置保持不变，且驱动单元700和传动单元800的布置方式占用较小的空间，驱动力的输出更加稳定。
具体而言，驱动装置400还包括壳体900，壳体900安装于固定座100，传动单元800设于壳体900内，驱动单元700安装于壳体900且伸入壳体900与传动单元800相连。壳体900不仅能够将驱动装置400整体固定在固定座100上，而且可以将驱动单元700和传动单元800集成一个整体，并起到保护作用。
在一些实施例中，如图4所示，传动单元800包括主动丝杠810和从动丝杠820。
主动丝杠810与驱动单元700传动连接且由驱动单元700驱动旋转。从动丝杠820与主动丝杠810螺纹连接且将主动丝杠810的旋转运动转化为从动丝杠820的线性运动，从动丝杠820与剪叉式升降机构200相连。
例如，从动丝杠820为中空结构，主动丝杠810伸入从动丝杠820，主动丝杠810构造有外螺纹811且从动丝杠820构造有与外螺纹811配合的内螺纹821，外螺纹811和内螺纹821可以分别构造在主动丝杠810和从动丝杠820直径相对较大的部分上。
由此，驱动单元700驱动主动丝杠810旋转，主动丝杠810旋转时带动从动丝杠820线性运动，利用从动丝杠820的线性运动来驱动剪叉式升降机构200升降。
在一些实施例中，从动丝杠820和壳体900中的一个上设有滑槽870且另一个上设有滑筋880，滑筋870与滑槽880可滑动地配合且两者沿从动丝杠820的轴向延伸。
例如，滑槽870设置在从动丝杠820的直径较大的部分的外周面且沿从动丝杠820的轴向延伸，滑筋880设置在壳体900上，滑筋880的长度较长，滑筋880与滑槽870可滑动地配合，从而对从动丝杠820进行周向定位，防止从动丝杠820转动，且允许从动丝杠820轴向滑动。如此，主动丝杠810旋转时从动丝杠820线性运动，而为了保证滑筋880和滑槽870配合的可靠性，滑槽870可以设置在从动丝杠820的下表面，相应地，滑筋880设置在壳体900的底壁。
在本申请的一些实施例中，如图4所示，驱动单元700为电机，传动单元800还包括主动轮830、从动轮840和传动皮带850。
主动轮830与电机的电机轴传动连接，从动轮840与主动丝杠810传动连接，传动皮带850套设于主动轮830和从动轮840。
电机运行后，电机轴带动主动轮830旋转，主动轮830通过传动皮带850带动从动轮840旋转，从动轮840带动主动丝杠810旋转。
由此，驱动单元700和传动单元800可以并排设置，即轴向平行设置，使驱动单元700 布置在传动单元800上方，构造成层叠的布置方式。
本领域的技术人员可以理解地是，本申请的一个实施例中，对于传动单元800的具体形式不限于丝杠和皮带的组合，也可以采用丝杠、齿轮、皮带、绳轮中的一种或多种组合的形式。
在本申请的一些示例中，如图4所示，壳体900包括筒体910、堵头920、中间筒930、中间盖940和端盖950。
从动丝杠820设于筒体910内，滑筋880可以设置在筒体910上。堵头920设于筒体910的一端，从动丝杠820的远离主动丝杠810的一端伸出堵头920。中间筒930设于筒体910的另一端，主动丝杠810通过轴承931支撑于中间筒930。中间盖940设于中间筒930，驱动单元700安装于中间盖940。端盖950设于中间盖940，主动轮830、从动轮840和传动皮带850设于端盖950内。
由此，壳体900将驱动单元700和传动单元800集成一个整体，且壳体900的分体设置，方便了驱动装置400的拆装，利于后期维护。
其中，从动丝杠820的远离主动丝杠810的一端(即伸出堵头920的一端)设有接头860，从动丝杠820通过接头860与剪叉式升降机构200相连。
在本申请的一些实施例中，如图2和图3所示，剪叉式升降机构200包括至少一个剪叉摆杆组210，剪叉摆杆组210包括至少一对摆杆211，每对摆杆211包括交叉设置且彼此铰接的两个摆杆211，在具有多对摆杆211的实施例中，相邻两对摆杆211中的摆杆211的端部分别铰接，距固定座100最近的一对摆杆211中的两个摆杆211分别安装于固定座100。供电头300安装于距固定座100最远的一对摆杆211中的两个摆杆211。
具体而言，固定座100水平设置，剪叉式升降机构200安装于固定座100，可沿竖直方向收缩或展开。剪叉摆杆组210包括多对摆杆211，每对摆杆211包括交叉设置且彼此铰接的两个摆杆211，相邻两对摆杆211中的摆杆211的端部分别铰接，通过这些铰接点，实现摆杆211的折叠和伸展，从而实现伸缩。与供电头300连接的两个摆杆211，设置在供电头300的靠近固定座100的一侧水平面，且分别邻近供电头300的左右两端。
相关技术中的新能源车辆，如图1所示，其剪叉式升降机构的末端额外设置了两个小摆杆20′，该两个小摆杆20′不交叉连接而直接与供电头铰接，这样导致供电头在运动过程中可变化的摆动较大，不利于供电时的对准。
根据本申请实施例的车辆供电装置1，通过将与供电头300连接剪叉式升降机构200的两个摆杆211的端部，省去了相关技术中的摆杆20′，不仅结构更加简单，而且该两个摆杆211交叉设置，能够使供电头300在运动过程中更平稳，减小供电头300的摆动，从而利于供电时的对准，提高供电性能的可靠性。
因此，根据本申请实施例的车辆供电装置1能具有结构和运动平稳、利于供电对准等优点。
本领域的技术人员需要理解地是，本申请对于升降机构的形式不限于剪叉式升降机构，如将剪叉式升降机构替换为多连杆升降机构、导向伸缩柱升降机构、线性滑轨升降机构等，也在本申请的保护范围之内，属于基于对本申请的简单替换或变型，并不脱离本申请的原理和宗旨。
在本申请的一些实施例中，如图2和图3所示，距固定座100最近的一对摆杆211中的一个铰接在固定座100上，距固定座100最近的一对摆杆211中的另一个可滑动地安装在固定座100上，驱动单元700通过传动单元800驱动距固定座100最近的一对摆杆211中的另一个在固定座100上滑动。
在一些实施例中，固定座100上设有第一导轨110，距固定座100最近的一对摆杆211中的所述另一个铰接有第一滑杆240，第一滑杆240可滑动地配合于第一导轨110，驱动单元700通过传动单元800与第一滑杆240相连。
在一些实施例中，第一导轨110的相对两侧面分别设有沿第一导轨110的长度方向延伸的第一凹槽111，第一滑杆240上设有第一滑块241，第一滑块241构造有分别配合于第一凹槽111内的第一夹爪242。
举例而言，剪叉摆杆组210的最下方的两个摆杆211中的一个摆杆211铰接于固定座100，另一个摆杆211与第一滑杆24铰接。第一导轨110的前后两侧分别设置有第一凹槽111，第一凹槽111沿左右方向延伸。第一滑杆240上设有第一滑块241，第一滑块241可通过螺纹固定件(例如，螺栓)与第一滑杆240连接。第一滑块241构造有第一夹爪242，第一夹爪242可滑动地配合于第一凹槽111，第一夹爪242因受到第一凹槽111的上壁的止挡，而无法脱出，只能沿第一凹槽111的长度方向滑动。
由此，通过第一导轨110和第一滑杆240的设置，将距固定座100最近的一对摆杆211中的所述另一个可滑动地安装于固定座100，且第一导轨110上设有第一凹槽111，第一滑杆240上设置具有第一夹爪242的第一滑块241，通过第一夹爪242和第一凹槽111的配合，能够保证第一滑杆240在第一导轨110上的稳定性，避免第一滑杆240脱出第一导轨110。
在本申请的一些示例中，如图3所示，附图中示出了驱动单元700为伺服电机的示例，传动单元800通过推杆410与第一滑杆240传动连接。具体而言，传动单元800中，从动丝杠820通过其上的接头860与推杆410相连，从动丝杠820做线性运动时带动推杆410进行线性运动，从而带动第一滑杆240沿第一导轨110滑动，其中，接头860的设置，不仅方便从动丝杠820与推杆410的连接，而且适于连接不同规格的推杆410，推杆410与第一滑杆240可通过螺纹紧固件连接，例如螺栓。驱动装置400通过推杆410向第一滑杆240 传动驱动力，从而带动整个剪叉式升降机构200升降。
在一些实施例中，推杆410平行于固定座100设置。如此，驱动装置400的做功的效率最高，第一滑杆240与第一导轨110不易损坏、结构稳定。并且，驱动装置400采用水平的方式推动第一滑杆240，能够进一步提高供电头300运动时的平稳性。
当然，推杆410也可以与固定座100呈一定角度的设置，只要保证推杆410能够正常伸缩即可。
在本申请的一些实施例中，如图2和图3所示，距固定座100最远的一对摆杆211中的一个铰接在供电头300上，距固定座100最远的一对摆杆211中的另一个可滑动地安装在供电头300上。
在一些实施例中，供电头300上设有第二导轨310，距固定座100最远的一对摆杆211中的所述另一个铰接有第二滑杆250，第二滑杆250可滑动地配合于第二导轨310。
在一些实施例中，第二导轨310的相对两侧面分别设有沿第二导轨310的长度方向延伸的第二凹槽311，第二滑杆250上设有第二滑块251，第二滑块251构造有分别配合于第二凹槽311内的第二夹爪(图中未示意)。
举例而言，剪叉摆杆组210的最上方的两个摆杆211中的一个摆杆211铰接于供电头300，另一个摆杆211与第二滑杆250的后端铰接。第二导轨310的前后两侧设置有第二凹槽311，第二凹槽311沿左右方向延伸。第二滑杆250上设有第二滑块251，第二滑块251可通过螺纹固定件(例如，螺栓)与第二滑杆250连接。第二滑块251构造有第二夹爪，第二夹爪可滑动地配合于第二凹槽311，第二夹爪因受到第二凹槽311的下壁的止挡，而无法脱出，只能沿第二凹槽311的长度方向滑动。
由此，通过第二导轨310和第二滑杆250的设置，将距固定座100最远的一对摆杆211中的所述另一个可滑动地安装于供电头300，且第二导轨310上设有第二凹槽311，第二滑杆250上设置具有第二夹爪的第二滑块251，通过第二夹爪和第二凹槽311的配合，能够保证第二滑杆250在第二导轨310上的稳定性，避免第二滑杆250脱出第二导轨310。
其中，为了保证供电头300的平稳性，第二滑杆250与第一滑杆240的位置可以平行设置，例如，附图中示出了第二滑杆250与第一滑杆240均位于剪叉式升降机构200右侧的示例。
在本申请的一些实施例中，如图2和图3所示，剪叉摆杆组210为多个，多个剪叉摆杆组210可以在前后方向上间隔设置，剪叉式升降机构200包括连接杆260，连接杆260连接在相邻的两个剪叉摆杆组210之间，以使多个剪叉摆杆组210同步升降，例如，连接杆260分别与相邻两个剪叉摆杆组210的位于内侧的摆杆211相连。
其中，每个剪叉摆杆组210中距固定座100最近的一对摆杆211中的一个均铰接在固定 座100上，每个剪叉摆杆组210中距固定座100最近的一对摆杆211中的另一个铰接于第一滑杆240，每个剪叉摆杆组210中距固定座100最远的一对摆杆211中的一个均铰接在供电头300上，每个剪叉摆杆组210中距固定座100最远的一对摆杆211中的另一个均铰接于第二滑杆250。
举例而言，剪叉摆杆组210为多个且沿前后方向间隔设置，连接杆260分别与相邻两个剪叉摆杆组210的位于内侧的摆杆211相连且数量为多个。多个剪叉摆杆组210的最上方的一对摆杆211，左侧摆杆211铰接在供电头300上，右侧铰接在第二滑杆250上。多个剪叉摆杆组210的最下方的一对摆杆211，左侧摆杆211铰接在固定座100上，右侧铰接在第一滑杆240上。
由此，通过设置多个剪叉摆杆组210，能够提高供电头300升降时的稳定性，而连接杆260的设置，能够稳固多个剪叉摆杆组210之间的相对位置，从而提高剪叉式升降机构200的稳定性。
在一些实施例中，剪叉式升降机构200还包括推杆410，推杆410连接在相邻的两个剪叉摆杆组210的第一滑杆240之间，驱动装置400安装在固定座100上且通过推杆410驱动多个第一滑杆240。
本领域的技术人员可以理解地是，在剪叉摆杆组210为两个以上的实施例中，可以分别在相邻的两个剪叉摆杆组210的第一滑杆240之间均设置推杆410，换言之，推杆410的数量比剪叉摆杆组210的数量少一个，且与第一滑杆240的数量相同。当推杆410设置多个时，多个推杆410均与驱动装置400相连，以使驱动装置400驱动多个推杆410同步带动多个第一滑杆240。
在本申请的一些实施例中，如图2和图3所示，供电头300包括底架320、支撑板330、信号板350和电极板340。
距固定座100最远的一对摆杆211中的两个摆杆211安装于底架320，支撑板330通过绝缘子370安装于底架320，电极板340和信号板350分别安装于对应的支撑板330，例如，电极板340和信号板350分别通过弹性件360安装于对应的支撑板330，其中，弹性件360可以为压缩弹簧、板簧或塑胶弹性件。
本领域的技术人员可以理解地是，支撑板330、电极340、信号板350、弹性件360和绝缘子370的数量及设置位置，均可以根据实际需要而设置。
例如，如图2所示，供电头300也可以不设置信号板350，电极板340为两个，两个电极板340平行设置且沿电极板340的长度方向(如图2中的左右方向)间隔排列。
再例如，如图5所示，信号板350为三个，三个信号板350平行设置且沿信号板350的宽度方向(如图5中的前后方向)间隔排列。电极板340为两个，两个电极板340平行 设置且沿电极板340的宽度方向间隔排列，两个电极板340分别位于最外侧的两个信号板350的长度方向上的一侧。
根据本申请实施例的车辆供电装置1，实现了充电过程的主动控制，减少了不必要的充电次数，延长充电装置和电池的使用寿命。当车辆进站后可以根据充电需要进行降充电，避免了进站时充电装置间的撞击和冲击噪音，且供电头升降平稳，利于供电时的对准。
在本说明书的描述中，参考术语“具体实施例”、“具体示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本申请的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施例或示例。
尽管已经示出和描述了本申请的实施例，本领域的普通技术人员可以理解：在不脱离本申请的原理和宗旨的情况下可以对这些实施例进行多种变化、修改、替换和变型，本申请的范围由权利要求及其等同物限定。

Claims (20)

  1. 一种车辆供电装置，其特征在于，包括：
    固定座；
    剪叉式升降机构，所述剪叉式升降机构安装于所述固定座；
    供电头，所述供电头安装于所述剪叉式升降机构且由所述剪叉式升降机构带动升降；
    驱动装置，所述驱动装置包括驱动单元和用于将旋转运动转化为线性运动的传动单元，所述驱动单元和所述传动单元在所述剪叉式升降机构的升降方向上叠置，所述驱动单元通过所述传动单元与所述剪叉式升降机构相连以驱动所述剪叉式升降机构升降。
  2. 根据权利要求1所述的车辆供电装置，其特征在于，所述驱动装置安装于所述固定座，所述传动单元位于所述固定座和所述驱动单元之间。
  3. 根据权利要求2所述的车辆供电装置，其特征在于，所述驱动装置还包括：
    壳体，所述壳体安装于所述固定座，所述传动单元设于所述壳体内，所述驱动单元安装于所述壳体且伸入所述壳体与所述传动单元相连；所述传动单元包括：
    主动丝杠，所述主动丝杠与所述驱动单元传动连接且由所述驱动单元驱动旋转；
    从动丝杠，所述从动丝杠与所述主动丝杠螺纹连接且将所述主动丝杠的旋转运动转化为所述从动丝杠的线性运动，所述从动丝杠与所述剪叉式升降机构相连。
  4. 根据权利要求3所述的车辆供电装置，其特征在于，所述驱动单元为电机，所述传动单元还包括：
    主动轮，所述主动轮与所述电机的电机轴传动连接；
    从动轮，所述从动轮与所述主动丝杆传动连接；
    传动皮带，所述传动皮带套设于所述主动轮和所述从动轮。
  5. 根据权利要求3或4所述的车辆供电装置，其特征在于，所述从动丝杠和所述壳体中的一个上设有滑槽且另一个上设有滑筋，所述滑筋与所述滑槽可滑动地配合且两者沿所述从动丝杠的轴向延伸。
  6. 根据权利要求3-5中任一项所述的车辆供电装置，其特征在于，所述从动丝杠的远离所述主动丝杠的一端设有接头，所述从动丝杠通过所述接头与所述剪叉式升降机构相连。
  7. 根据权利要求4所述的车辆供电装置，其特征在于，所述壳体包括：
    筒体，所述从动丝杠设于所述筒体内；
    堵头，所述堵头设于所述筒体的一端，所述从动丝杠的远离所述主动丝杠的一端伸出所述堵头；
    中间筒，所述中间筒设于所述筒体的另一端，所述主动丝杠通过轴承支撑于所述中间筒；
    中间盖，所述中间盖设于所述中间筒，所述驱动单元安装于所述中间盖；
    端盖，所述端盖设于所述中间盖，所述主动轮、所述从动轮和所述传动皮带设于所述端盖内。
  8. 根据权利要求1-7中任一项所述的车辆供电装置，其特征在于，所述剪叉式升降机构包括至少一个剪叉摆杆组，所述剪叉摆杆组包括至少一对摆杆，每对所述摆杆包括交叉设置且彼此铰接的两个摆杆，距所述固定座最近的一对摆杆中的两个摆杆分别安装于所述固定座。
  9. 根据权利要求8所述的车辆供电装置，其特征在于，距所述固定座最近的一对摆杆中的一个铰接在所述固定座上，距所述固定座最近的一对摆杆中的另一个可滑动地安装在所述固定座上，所述驱动单元通过所述传动单元驱动距所述固定座最近的一对摆杆中的所述另一个在所述固定座上滑动。
  10. 根据权利要求9所述的车辆供电装置，其特征在于，所述固定座上设有第一导轨，距所述固定座最近的一对摆杆中的所述另一个铰接有第一滑杆，所述第一滑杆可滑动地配合于所述第一导轨，所述驱动单元通过所述传动单元与所述第一滑杆相连。
  11. 根据权利要求10所述的车辆供电装置，其特征在于，所述第一导轨的相对两侧面分别设有沿所述第一导轨的长度方向延伸的第一凹槽，所述第一滑杆上设有第一滑块，所述第一滑块构造有分别配合于所述第一凹槽内的第一夹爪。
  12. 根据权利要求10或11所述的车辆供电装置，其特征在于，距所述固定座最远的一对摆杆中的一个铰接在所述供电头上，距所述固定座最远的一对摆杆中的另一个可滑动地安装在所述供电头上。
  13. 根据权利要求12所述的车辆供电装置，其特征在于，所述供电头上设有第二导轨，距所述固定座最远的一对摆杆中的所述另一个铰接有第二滑杆，所述第二滑杆可滑动地配合于所述第二导轨；
    所述第二滑杆与所述第一滑杆的位置平行。
  14. 根据权利要求13所述的车辆供电装置，其特征在于，所述第二导轨的相对两侧面分别设有沿所述第二导轨的长度方向延伸的第二凹槽，所述第二滑杆上设有第二滑块，所述第二滑块构造有分别配合于所述第二凹槽内的第二夹爪。
  15. 根据权利要求13或14所述的车辆供电装置，其特征在于，所述剪叉摆杆组为多个，多个所述剪叉摆杆组在前后方向上间隔设置，所述剪叉式升降机构还包括：
    连接杆，所述连接杆连接在相邻的两个剪叉摆杆组之间，以使多个所述剪叉摆杆组同步升降；
    其中，每个所述剪叉摆杆组中距所述固定座最近的一对摆杆中的一个均铰接在所述固定 座上，每个所述剪叉摆杆组中距所述固定座最近的一对摆杆中的另一个铰接于第一滑杆，每个所述剪叉摆杆组中距所述固定座最远的一对摆杆中的一个均铰接在所述供电头上，每个所述剪叉摆杆组中距所述固定座最远的一对摆杆中的另一个均铰接于第二滑杆。
  16. 根据权利要求15所述的车辆供电装置，其特征在于，所述剪叉式升降机构还包括推杆，所述推杆连接在相邻的两个所述剪叉摆杆组的所述第一滑杆之间，所述驱动装置安装在所述固定座上且通过所述推杆驱动多个所述第一滑杆。
  17. 根据权利要求1-7中任一项所述的车辆供电装置，其特征在于，所述供电头包括：
    底架，距所述固定座最远的一对摆杆中的两个摆杆安装于所述底架；
    支撑板，所述支撑板通过绝缘子安装于所述底架；
    电极板，所述电极板安装于对应的支撑板；
    所述供电头还包括：
    信号板，所述信号板安装于对应的支撑板。
  18. 根据权利要求17所述的车辆供电装置，其特征在于，所述电极板和所述信号板分别通过弹性件安装于对应的所述支撑板。
  19. 根据权利要求17或18所述的车辆供电装置，其特征在于，所述电极板为两个，两个所述电极板平行设置且沿所述电极板的长度方向间隔排列。
  20. 根据权利要求18所述的车辆供电装置，其特征在于，所述信号板为三个，三个所述信号板平行设置且沿所述信号板的宽度方向间隔排列，所述电极板为两个，两个所述电极板平行设置且沿所述电极板的宽度方向间隔排列，两个所述电极板分别位于最外侧的两个所述信号板的长度方向上的一侧。
PCT/CN2020/132181 2019-11-29 2020-11-27 车辆供电装置 WO2021104438A1 (zh)

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