CN101933212A - Docking bays for recharging vehicle batteries - Google Patents

Docking bays for recharging vehicle batteries Download PDF

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Publication number
CN101933212A
CN101933212A CN2008801254953A CN200880125495A CN101933212A CN 101933212 A CN101933212 A CN 101933212A CN 2008801254953 A CN2008801254953 A CN 2008801254953A CN 200880125495 A CN200880125495 A CN 200880125495A CN 101933212 A CN101933212 A CN 101933212A
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China
Prior art keywords
dock
vehicle
contact
docking bay
energy
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CN2008801254953A
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Chinese (zh)
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戈登·尤班克·道尔
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Individual
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Priority claimed from PCT/US2008/013223 external-priority patent/WO2009070334A1/en
Publication of CN101933212A publication Critical patent/CN101933212A/en
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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

Docking bays for providing energy to vehicles having a rechargeable battery are disclosed. A given docking bay includes a pair of normally de-energized, unprotected, docking bay contacts for making electrical contact with cooperative vehicle contacts when the vehicle is driven into the docking bay. Typically the vehicle will be an electric vehicle, but is not necessarily an electric vehicle. The given docking bay also includes a contact energizer having an output operatively connected to the docking bay contacts and an input connectable to an external source of energy, for example a domestic AC power grid. The energizer is switchable in response to an energizer control signal from a first state where battery recharging energy is not provided to the docking bay contacts to a second state where battery recharching energy derived from the external source is provided to the docking bay contacts. A controller is operatively connected to the energizer.

Description

Be used for the dock that recharges to Vehicular battery
Technical field
The present invention relates to a kind of dock that recharges (docking bay) of having the vehicle of rechargeable battery and being convenient to battery of being used to.Though the present invention is considered to be particularly useful for motor vehicle, do not think that the present invention is limited to these vehicles.
, should be appreciated that term " battery " comprises the battery with any number battery unit herein, also comprise the battery pack that is considered as containing the one or more batteries that link to each other with one or more other batteries.
Background technology
Usually, if when the battery of motor vehicle will recharge (and this charging demand is frequent often), just need between vehicle and the available energy, manually be connected a power cable.In the U.S., the modal rule of doing is in supply socket or charging station a power cable that can insert in the vehicle to be set.In some other places, comprise Europe, another kind of often way.Carry a power cable that is used in charging in vehicle, this root power cable is deployable and be inserted in the charging station.This is not too convenient, but has reduced the stolen possibility of cable.Under any circumstance, the electrification cable can require the motorist in suitable time and suitable careful ground, place cable to be inserted in the vehicle undesirably, even when he or she is very hasty, even in bad weather, even and at him or she handicapped or thought on other things in.
Though proposed many compartment docks configurations of manually connecting of not needing, they are relative complex and need be to the substantive protection of electric contacts of the electric contacts and/or the vehicle dock of vehicle structurally.Equally, unless they are arranged on such as the garage or establish in gate inhibition's the security context of community, otherwise they especially are vulnerable to destroy.
Therefore, need a kind of uncomplicated relatively, user friendly dock that Vehicular battery is recharged of being used for, and this dock is made firmly and can be minimized the infringement that vehicle, saboteur or other reasons may cause.
Summary of the invention
Of the present invention wide aspect in, provide a kind of in order to dock to vehicle supply battery recharge energy, this vehicle has rechargeable battery and can be positioned to receive from dock a pair of vehicle contact of described energy.Dock comprises: a pair of normal condition go down energy supply, not protected docking bay contacts, and it is used for when vehicle sails dock into and the vehicle contact electrically contacts; Contact energy supply device; And controller.The energy supply utensil has the output that operatively is connected to docking bay contacts and can be connected to the input of exterior source of energy, and can respond energy supply device control signal and never provide first state of battery recharge energy switches to provides second state from the battery recharge energy of externally-originated energy source to docking bay contacts to docking bay contacts.Be connected to controller function described energy supply device, to provide energy supply device control signal to contact energy supply device conditionally.
Controller comprises and is used for the proximity transducer of sense vehicle contact near docking bay contacts, and in response to this situation, be used for realize between vehicle contact and docking bay contacts predetermined requirement near the time, provide energy supply device control signal to the energy supply device.Required near can be as small as zero (promptly needing the actual physics contact between the contact) or certain preset distance greater than zero.Yet preset distance should be relatively little.In addition, if docking bay contacts obtains energy supply vehicle with and contact still with dock at a distance of more greatly apart from the time, can be presented electrical hazard by the contact of energy supply.
Approaching, comprise the actual physics contact, can realize by multiple known way.For instance, developed wireless technology and whether discerned a target near another target.In the present invention, one of these targets are vehicle (and the electric contact pieces in order to reception battery recharge energy on the necessary vehicle); Another target then is a dock.Also can use wireless technology to transmit authorization code to dock,, can think that then authorization code is especially favourable if the use of dock only limits to the use of authorised vehicles and needs monitoring authorised vehicles and the use of authorised vehicles is charged from vehicle.
In another aspect of the present invention, controller can comprise a plurality of transducers, and one of them transducer is a proximity transducer, also comprises the signal processor that operatively is coupled to transducer and energy supply device.Whether each transducer all exists the relevant necessary condition that energy supply device control signal is provided to the energy supply device in order to induction.In addition, if satisfy relevant necessary condition, each transducer all provides the related command signal as output.Signal processor receives these command signals as input, and if when receiving all related command signals, then provide energy supply device control signal as output.
Except sense by proximity transducer near the condition, can will be depended on roughly that by the necessary condition that one or more additional sensor is sensed dock is installed in the use of managing it where and how.For instance, additional sensor can comprise in order to receive from the expression vehicle of vehicle transmission and being authorized to from the device of the authorization signal of dock received energy.Transducer can then comprise the receiver of the signal that is transmitted in order to reception and analysis, and its related command signal only just is provided when receiving required authorization signal.Perhaps, for instance, additional sensor can be used as the part of radio-frequency (RF) identification (RFID) system, and it reads the code tag that close vehicle carries, and command signal is provided when identifying label.The rfid system of vehicle is known.Usually, if vehicle is an authorised vehicles, then the signal of Chan Shenging is used to open door.
As another example, additional sensor can or be cashed terminal receiver input from automatic payment station, and this input has been represented a certain amount of money paid or carried out advance payment and then authorised vehicles and extracted energy from dock.Above-mentioned station or terminal can be by being enhanced in order to the member of the amount of the energy that provides of monitoring dock, and like this, as long as the energy that extracts is no more than the amount or the prepaid debt of received payment, transducer will provide its related command signal.
In a preferred embodiment, each docking bay contacts all has the contact surface that exposes of general planar.Above-mentioned surface is positioned at roughly the same plane and on tiltedly, and is positioned to allow corresponding contact not to be installed in under-vehicle highlightedly and towards tiltedly down, to carry out sliding contact with it.
Can have simple low profile profile according to dock of the present invention, the unique element that wherein can see is exactly docking bay contacts of exposing and the supported underneath part that is used for these contacts.The low profile dock extends vehicle front part forward on dock, and the individual who is not only applicable to the personal user uses, and is applicable to the user's of any motor vehicle with suitable assembling public use.
It should be noted that the low profile dock can advantageously generate part vehicle fence.For instance, can combine with insurance fence that often has the parking stall in the Public Parking or wheel stop part according to ground of the present invention profile dock.Equally, they also can with provide the fence on oblique parking stall to combine along the street side.
In another aspect of the present invention; the dock that is used for vehicle is provided; this vehicle has rechargeable battery and is positioned at a pair of vehicle contact of vehicle roof front end; described dock is in order to supply the battery recharge energy to vehicle; and comprise overhead support arm and be positioned at un-activation under a pair of normal condition on the described support arm, not protected electric contact piece, when above-mentioned contact is positioned in vehicle and sails dock into be installed in the vehicle roof front end on corresponding a pair of electric contact piece electrically contact.Dock comprises above-mentioned energy supply device and controller.Dock can comprise vertically extending post, and overhead support arm is from this post horizontal-extending.Expediently, the plug-in type electromagnetic contact can be positioned on the post, thereby independently battery recharge energy source is provided.
Can recognize that in above-mentioned situation promptly, the electric contact piece of dock is positioned at overhead support arm but not on all low profile structure as previously described the time, may influence the applicability of low profile structure at some environment excessive, ice etc. that snows.Can alleviate this problem though have the structure of overhead support arm, it may be more vulnerable to damages such as intentional destruction.Therefore, may need compromise.Use overhead support arm to allow battery electric vehicle can possess the general planar top so that maximum solar panel area to be provided.The electric contact piece of enabling battery charge can easily be installed in the place ahead, above-mentioned top.
In order more completely to understand the present invention, now should be with reference to the embodiment that describes shown in the accompanying drawing and hereinafter.
Description of drawings
Fig. 1 is the perspective view of vehicle according to the invention dock.Except that not protected docking bay contacts and external power source, other electric partss not shown in this Figure and distribution.
Fig. 2 is the dock shown in Fig. 1 and near the schematic side elevation of the vehicle of dock.
Fig. 3 is and the similar end view of Fig. 2 that vehicle just is parked in the dock among the figure.
Fig. 4 and Fig. 5 are more detailed and form the contact strutting piece of the part of vehicle among Fig. 2 and 3 with the cut-away section formal description.
Fig. 6 and 7 is and Fig. 2 and 3 similar schematic side elevations, but wherein vehicle is just using the elastomeric material wing plate as the contact strutting piece.
Fig. 8 is when wing plate is positioned at the position of soil shown in 7, the vertical view of the contact strutting piece shown in Fig. 6 and 7.Fig. 8 also shows a pair of contact modules that strutting piece carries.
Fig. 9 is the perspective view that illustrates in greater detail a contact modules in two contact modules shown in Figure 8.
Figure 10 is that vehicle is near the schematic block diagram according to dock of the present invention.Described vehicle comprises the charging on-vehicle battery device and powers to docking bay contacts when satisfying near condition.
Figure 11 is that vehicle is near the schematic block diagram according to another dock of the present invention.Described vehicle comprises the charging on-vehicle battery device and powers to docking bay contacts when satisfying a plurality of necessary condition comprise near condition.
Figure 12 is that vehicle is near the schematic block diagram according to another dock of the present invention.In the case, vehicle does not carry the charging on-vehicle battery device.
Figure 13 is the schematic plan that comprises the street on a plurality of oblique parking stalls on the one side, and each parking stall all comprises and the similar dock of the described dock of Fig. 1.
Figure 14 is according to non-low profile vehicle dock of the present invention and the perspective view that is plugged on the vehicle in the dock.
Figure 15 is the front view that illustrates in greater detail a contact in the docking bay contacts shown in Figure 14.
Figure 16 is the view of the vehicle part shown in the dock part shown in Figure 14 and Figure 14.
Embodiment
Referring now to Fig. 1; show an integral body and be denoted as 10 vehicle dock 10; comprise inertia under a pair of normal condition, not protected electric contact piece 20,22, above-mentioned electric contact piece 20,22 is installed securely side by side and is sealed in the inclined upper surface 13 of strutting piece 12.Strutting piece 12 is formed by electrical insulating material.Contact 20,22 is firm in nature, for example is made of copper.Their flat upper surface is inclined upwardly and mutual coplane roughly, and with upper surface 13 coplanes.Typically, strutting piece 12 may be seated on ground or the floor surface (not shown in figure 1).
Dock 10 comprises the electric compartment 16 that contains the various parts that will be described below.In operation, the part electricity in the compartment is arranged between external power source 500 and the contact 20,22.As shown in Figure 1, compartment 16 is contained in the strutting piece 12.Yet, should be appreciated that compartment 16 also can be positioned at the strutting piece outside, as long as exist the necessary part of distribution from compartment to extend to strutting piece and then extend to contact 20,22.
In use, dock 10 is connected with external power source 500 leads, and for instance, external power source 500 can provide the electric power of 120VAC or 240VAC from AC network or alternating current facility to dock.As shown in Figure 1, this electric power is from strutting piece 12 belows supplies (for example under underground or floor), but this is not necessary.Equally, as known to those skilled in the art, also can use other alternating voltage scopes.In addition, in principle, external power source can be a DC power supply, as long as used suitable power conditions well known to those skilled in the art.At last, no matter what power supply is, should be for the purpose of battery charge is regulated the electric power that is received according to mode hereinafter described.
In Fig. 2, show along the vehicle 400 of the direction of arrow 401 near dock 10.In Fig. 3, vehicle has moved forward to the parking spot in the dock.
Vehicle 400 comprises the front axle 402 and the front end 404 of rechargeable battery (not shown among Fig. 2 and 3), wheel 403, and this front end 404 has the minimum forward part 405 that extends back from it.In addition, vehicle comprises a pair of electric contact piece 420,422, and above-mentioned each electric contact piece all is denoted as 450 relevant contact strutting piece carrying by integral body, and this contact strutting piece forms the part of vehicle and between front axle 402 and front end 404.Only can see a strutting piece 450 and a contact 422 in Fig. 2 and 3, another strutting piece and contact 420 visually are hidden in the back of the strutting piece that can see.Contact 420,422 can be by various electric conducting material manufacturings.For instance, a kind of selection is the above-mentioned copper that is used for docking bay contacts.Another example then is such as the material with carbon element that is used for trolley bus.
Contact strutting piece 450 is positioned on the either side of vehicle centre-line, and like this, inclined plane contact 420,422 downwards is by electrically contacting with contact 20,22 adjacency of dock 20,22.In order to compensate vehicle ' possible horizontal misalignment in dock the time, need make the vehicle contact at the width of the size that is transverse to arrow 401 directions less than docking bay contacts.In addition, may be short-circuited for fear of docking bay contacts, need make the vehicle contact in the size that is transverse to arrow 401 directions less than the distance between docking bay contacts.
As more detailed description in the Figure 4 and 5, contact strutting piece 450 comprises outer cover 451 and can slide up and down and from being fully retracted the plunger 452 of change in location to the extended position shown in Fig. 3 and 5 shown in Fig. 2 and 4 with respect to outer cover.Outer cover and plunger both are roughly cylindrical.Contact 422 is fastened to plunger base.Moving upward of plunger 452 can be subjected to being threadably engaged in the restriction of the connector 453 in the outer cover top.It moves downward and can be subjected to cable 454 restrictions, and cable 454 extends downwards through guide 456, passes the central opening 457 in the connector 453, and extends to far-end along the cylindrical axis of outer cover and plunger, and this far-end is fastened to the inwall 459 of plunger at 458 places.
Contact strutting piece 450 further comprises compression spring 460, and this compression spring 460 is fixed to the diapire of connector 453 on its top, and is fastened to the inwall 459 of plunger 452 in its bottom.In position shown in Figure 4, plunger 452 is fully retracted, and spring 460 is at utmost compressed.This is vehicle 400 normal position during away from dock 10.Keep out the power that makes progress that causes by the contention effect of spring 460 on plunger inwall 459 by upwards spurring cable 454 and can grasping it, can keep this position.In position shown in Figure 5, fully discharge grasping on the cable 454, make plunger 452 under the compressing of himself weight and spring 460, the exposed surface that moves downward vehicle contact and docking bay contacts 22 in outer cover 451 electrically contacts the position of (as shown in Figure 3).In this position, spring 460 retaining parts compressions is so that use the trying hard to keep and hold the adjacency of 22 of contact 422 and contacts to a certain degree that produces by spring action.
When not having any external structure that restriction plunger 52 moves downward when cable 454 discharges, the amount of this motion should be mainly by the characteristic decision of spring 460, but the weight of friction between the inwall of plunger outer wall and outer cover 451 and plunger may play a part limited.Under any circumstance, the maximum that is in it when plunger is during to upper/lower positions, and the upper end of plunger 452 should remain in the outer cover 451.In addition, referring now to Fig. 2, this figure with dotted outline show when full extension plunger during to upper/lower positions of its maximum (now be denoted as 452 "), wherein the height h1 in plunger forward position should be bigger than the height h2 in the forward position of the dock strutting piece 12 relative with it.Then, when vehicle 400 near dock during the plunger full extension, vehicle contact 422 supports the strutting piece 12 of dock and the inclined surface of contact 22 with wedge, and upwards slides at arrow 410 these inclined surfaces of indicated direction upper edge, and final realization is complete in contacting with contact 22.Though not shown in Fig. 2, contact 420 same wedges support the surperficial of strutting piece 12 and contact 20 and upwards slide along it, the final realization contacts with the complete adjacency of contact 20.
Spring mounting structure by plunger 452 has promoted above-mentioned wedge to support and slide.Though do not think that aforesaid operations and spring mounting structure are necessary for the purpose of the present invention, it is suitable to think.In particular, should be appreciated that it is to make electric power flow to the basic necessary condition of vehicle 400 from dock that contact 20,22 contacts with 420,422 valid adjacency.Yet,, should can understand this contact equally and can also realize by the many modes except that aforesaid way for given dock 10.In principle,, but suitably raise with respect to dock 10 even contact 420,422 is in resting position on vehicle 400, then can be by sailing vehicle into dock and the required contact adjacency of simple realization.Yet this idea may be subjected to many actual influences of considering.
At first, contingently be, may be coated with on the contact 420,422 on the vehicle 400 dirt, ice or other may damage with dock on the foreign substance that effectively electrically contacts of contact 20,22.Support and slide by above-mentioned wedge, when vehicle sails dock into, the effective cleaning operation may take place between docking bay contacts and vehicle contact.Can be by making at least a portion roughening on the surface 13 that is positioned at contact 20,22 fronts, or the place ahead part roughening on the surface by making contact 20,22, and strengthen clean operation on the vehicle contact.This surface that is roughened can be used for scraping the lip-deep foreign substance of contact 420,422.
Secondly, what may occur is that the height of vehicle contact 420,422 may not located ideally or always not locate ideally with respect to dock 20,22 with respect to docking bay contacts 20,22.The height of vehicle contact can be according to changing such as factor such as the load of vehicle and tire pressure carrying.Similarly, the height of docking bay contacts may change slightly, variation on variation that above-mentioned this variation can be an absolute sense (for example because the limited quality control in the dock manufacturing) or the relative meaning is (for example because the effective quality control in the dock installation process, and make that with respect to the road surface of driving vehicle on it, dock one end is lower a little than the other end).In limits, the spring mounting structure of vehicle contact can compensate these variations.
With regard to icing possibility above-mentioned, the another kind of mode of contact 420,422 deicing of giving is, heating element is provided near contact, and provides electric power to heating element when needs.At the docking bay contacts 20,22 that under some environmental condition, also may freeze easily, also can adopt aforesaid way to handle.When the problems referred to above occurring, also can use to be arranged near the contact 20,22 and to alleviate this problem by the heating elements of electrical network or facility 500 power supplies.It should be noted that carrying out thermostatic control in a known manner with intentional vehicle contact or the power supply that is used for the heating element of docking bay contacts.
Should be appreciated that the feature of dock 10 can be to have low profile.In particular, as shown in Figure 2, the maximum height d1 of strutting piece 12 can allow when vehicle when arrow 401 indicated directions are sailed dock into, the vehicle forward part 405 of below passes through from the strutting piece top, also has gap d 2 therebetween.In addition, though be not necessary, from Fig. 2 should be appreciated that dock 10 can with the structure adjacency such as pavement 720.It then can carry out the extra function of taking on vehicle constraint (vehicle curb).
In addition, should be appreciated that the many configurations that exist any given vehicle to have are with the low profile dock of effective utilization such as dock 10.But the member of above-mentioned use such as contact strutting piece 450 only is a kind of selection.Being considered to another kind selection especially easy to implement is such as the described vehicle contact of Fig. 6-8 strutting piece.
Vehicle contact strutting piece shown in Fig. 6-8 is the part that integral body is denoted as the vehicle of 400A, and includes the extensible wing plate (flap) 471 that elastomeric material is made, and this extensible wing plate 471 extends to tail end or far-end 473 from hinged front end or near-end 472.Be fastened on 474 cable 454 by upwards spurring or be released in wing plate 471 Width middle grounds, control rising or the decline of wing plate around near-end 472.For instance, to be about 15mm and hardness be that 60 neoprene cushion material can think suitable to thickness.This cushion material can be buied on market, and can cut into required size with Width along its length.
In more detail, on wing plate 471, install also have a same part that constitutes vehicle 400A a pair ofly electrically contact module 475, one of them module is in order to contact with electric contact piece 20 adjacency of dock, and another module is then in order to contact with 22 adjacency that electrically contact of dock.Though do not think that the structure of contact modules 475 is essential, think among Fig. 6-8 schematic description and in Fig. 9 in greater detail structure be favourable.Module 475 as shown in Figure 9 can be buied on market, and for example, No. 2501 Painless Performance company buys from the Luddele street, Butterworth fort city of Texas, and it is designated Jamb Tac TMNo. 40024 interface units.It is easy to be installed on the above-mentioned wing plate 471 by the chloroprene rubber material manufacturing.This connector comprises outer cover 476 and four brass button contacts 477 that spring (not shown) is housed, and these brass button contacts 477 extend the terminal 478 in the outer cover over top from the outer cover bottom.In vehicle, form needed lead easily and connect to terminal 478.
Jamb Tac TMConnector is not limited to 4 button contacts of each module, and in conjunction with the present invention, should understand not to be to use the module with four button contacts.Also can use each module to have one, two, three and five s' Jamb Tac TMConnector.For the contact 20,22 that meshes dock 10, employed module can be arranged and tissue with any desired pattern.
Seem Jamb Tac TMConnector is to be designed to be installed on the vehicle doorn lateral column and to open or close according to door interrupt or electrically contact at first.Yet although it is used for various objectives in the present invention, they can be fit to use with the present invention.They are set to transmission big electric current (promptly 60 amperes) and are easy to be installed on the elasticity wing plate such as wing plate 471.
As shown in Figure 6, as vehicle 400A during away from dock, wing plate 471 can upwards be drawn to the position of level substantially by cable 454, and this position is the normal position.When the pulling force on the release cable 454, wing plate 471 is reduced to position shown in Figure 7, and this moment, vehicle 400A pegged graft.The strutting piece 12 that is subjected to dock that moves downward of wing plate 471 limits.
When moving downward of wing plate 471 was not subjected to strutting piece 12 restrictions of dock, wing plate should be reduced to the big angle of upper surface 13 slopes than dock.Then, when button contact 477 full extension of vehicle 400A module 475 near dock, wing plate and contact drag and cross above-mentioned surface on the surface of surface 13 and contact 20,22.This drag operation tends to the contact point of CONTACT WITH FRICTION part 477, makes it no longer contain the epiclast that can concentrate on the contact point.
According to the present invention, can design multiple mode to the docking bay contacts power supply.Concrete mode will be decided according to various factors, and above-mentioned factor comprises: the electrical properties that is fed to dock from external power source; Dock is fed to the electrical properties of vehicle, and the battery of this vehicle is treated to be recharged when docking bay contacts is powered again; And be used to determine when should be to the expectation environment of docking bay contacts power supply.
Example 1
Basic condition when Figure 10 shows dock 10 and is connected with external ac power source 501, at this moment, vehicle 400 carries and is used for charging on-vehicle battery device 460 that Vehicular battery 465 is recharged.Battery charger 460 is to be applicable to receive the alternating electromotive force input and respond this input provides conventional batteries charger from suitable controlled charging current to battery 465.
In this example, except that docking bay contacts 20,22, the working part of dock 10 also comprises protection fuse 14, power supply 15, proximity transducer (proximity sensor) 30, energy supply device (engergizer) 40 and electric distribution.Except contact 20,22 and from energy supply device 40 to the distribution of its extension, all these parts all can be contained in the above-mentioned electric compartment 16.
Energy supply device 40 comprises dpdt double-pole double-throw (DPDT) (DPDT) switch or the relay of normally opening 41, above-mentioned dpdt double-pole double-throw (DPDT) (DPDT) switch or relay can respond the energy supply device control signal that receives on circuit 12, be used to make position from the electric power energy supply of power supply 501 and go the normal open position of energy supply to switch to contact 20,22 from contact 20,22.As mentioned above, relay 41 is electromechanical relays.Certainly, it also can be a solid-state electronic relay.
Such as understood by a person skilled in the art, be not necessary such as the DPDT switch of relay 41.For instance, if external power source is an AC power, single-pole double-throw switch (SPDT) is promptly enough.Article one, incoming line can be to exchange " heat " pressure-wire, and another can be alternating voltage " neutrality " line.Yet, and do not require that the above-mentioned heat and the neutral line all switch.Hot line should be switchable, and is changeable but the neutral line need not, and can not be directly connected to one of docking bay contacts by relay 41.
The proximity transducer 30 that receives power for operation from power supply 15 serves as controller, and being used for conditionally on circuit 42 providing energy supply device control signal with as exporting to energy supply device 40.The contact 420,422 that induces vehicle 400 according to the input that receives when proximity transducer 30 on circuit 43 and docking bay contacts 20,22 be enough closely the time, sensor activation and the necessary control signal is provided on circuit 42.Follow the energy supply contact 20,22 by energy supply device 40 successively.When contact 420,422 contacted with contact 20,22 physics, battery charger 460 can obtain energy.
Example 2
Figure 11 shows the similar situation of describing with Figure 10 of situation.Identical fuse 14, power supply 15 and the energy supply device of describing among the dock utilization that is labeled as 10A now and Figure 10 40 of embodiment.Again, closing of relay 41 need be accepted energy supply device control signal on circuit 42.Yet, to control by proximity transducer 30 unlike the energy supply of dock 10 its docking bay contacts 20,22, their energy supply is by comprising a plurality of transducers (under the situation of two transducers) SEN now 1, SEN 2Controller 35 and signal controller 36 control.
Transducer SEN 1Be used on incoming line 33 induction and whether have the relevant necessary condition that energy supply device control signal is provided to energy supply device 41, and be used for when satisfying relevant necessary condition, on outlet line 35, providing the related command signal.Similarly, transducer SEN 2Be used on incoming line 34 induction and whether exist another to provide the relevant necessary condition of energy supply device control signal, and be used for when satisfying relevant necessary condition, on outlet line 36, providing the related command signal to energy supply device 41.The signal processor 32 of utilogic circuit construction operatively is being couple to these transducers and energy supply device, on circuit 35,36, receiving command signal, and when receiving all above-mentioned related command signals, on circuit 42, provide energy supply device control signal as output to the energy supply device as input.
According to the present invention, a transducer in two transducers should be a proximity transducer, and such as proximity transducer 30, but its output should the number of writing to processor 32 but not the energy supply device 41 shown in Figure 10.Another transducer in two transducers can be designed to respond to another condition of the expectation that must satisfy before contact 20,22 can be by energy supply.The executable function example of additional sensor is above being discussed.If before contact 20,22 can be by energy supply, must satisfy plural necessary condition, except those transducers shown in Figure 11, also can adopt other obvious right sensors so.
Example 4
Figure 12 shows the similar situation of describing with Figure 10 of situation, and its difference is that the vehicle that now is labeled as 400B does not carry the charging on-vehicle battery device.Here, battery charger 60 is made as the part of the dock that now is labeled as 10B, and in particular, is made as the part of energy supply device 45.Identical with energy supply device 40, energy supply device 45 comprises DPST switch 41, and when the contact 420,422 of vehicle 400 during enough near docking bay contacts 20,22, this DPST switch 41 is activated by proximity transducer 30.When being activated, battery charger 60 receives from power supply 501 and exchanges input, and battery charge output is transported to contact 20,22 from energy supply device 45.
Can think that dock 10B is applicable to the vehicle except that motor vehicle, for example, comprise the internal combustion vehicle of the relatively little battery that is used for engine start.These batteries need to recharge sometimes, and embodiment shown in Figure 12 can be used for this purpose, as long as vehicle suitably is equipped with the contact such as contact 420,422.Yet, such as understood by a person skilled in the art, it should be noted that the characteristic of the battery 465 the vehicle 400B from the output of battery charger 60.Though it is rechargeable lead-acid battery that great majority are used for the Vehicular battery of engine start, some Vehicular battery then is not a lead-acid battery.For instance, some Vehicular battery is rechargeable nickel-cadmium cell.Being applicable to that battery charger to lead-acid battery charging may not be suitable for to nickel-cadmium cell charges.
Example 5
In above-mentioned example, external power source is an AC power.Yet though rare in practice, external power source also may be a DC power supply.At this moment, available multiple mode is handled this situation.For instance, if the external power source among the embodiment shown in Figure 10 is a DC power supply, and suppose that 460 expections of charging on-vehicle battery device receive interchange output, so, those skilled in the art will understand and can between the output of switch 41 and contact 20,22 part of a suitable DC-AC inverter as energy supply device 40 be set.In principle, inverter can insert and put (interpose) input at switch 41, but this may be considered to improperly because battery charge inverter all can consumed energy.
Example 6
Up to now among the embodiment of Tao Luning, energy only along a direction from external power source by the energy supply device the vehicle dock is sent to vehicle.Yet, comprise and make energy also can comprise supplementary features along a direction is sent to the feature of vehicle from external power source dock, above-mentioned supplementary features are sent to energy in opposite direction from vehicle can be owing to power failure former thereby gone the external electric line of force of energy supply (de-energize), to replenish electric power in the electrical network of energy supply.
Oblique parking stall (Diagonal Parking Stalls)
The present invention also is applicable to oblique parking stall.With reference to Figure 13, show the integral body that on a side, has zigzag fence 701 and on opposite side, have a straight fence 702 and be denoted as 700 street.Only property purpose of description has presented for purpose of illustration been described whole 710,711 the pavement that is denoted as on the either side in street.
Figure 13 is also exemplary to have described a plurality of oblique parking stalls 750, and all indicate with dotted line with respect to zigzag fence 701 on each oblique parking stall.Be positioned at the inner on each parking stall to low profile dock 10 similar among Fig. 1.With regard to this oblique layout on parking stall, the present invention is favourable and is suitable for well being in the same place with this layout conformity, because can be by day or be parked in whole night in the not predetermined oblique parking stall at many places vehicle.If the vehicle that stops is a motor vehicle, then be desirably in the inner battery recharge facility that is provided with in each parking stall, such as dock 10 with low profile.Usually for all docks, it is contemplated that the distribution from external power source to these docks extends under ground level.
Non-low profile dock
Though the low profile dock is preferred and favourable under many situations, the present invention is not limited to have the dock of low profile.Referring now to Figure 14, show integral body and be denoted as 200 vehicle dock, it comprises vertically extending post 201 and the overhead support arm 202 that extends from this post approximate horizontal.Integral body is denoted as 800 vehicle and is depicted as and is plugged in the dock, and comprises the top 801 with V-arrangement front end 802.A pair of electric contact piece 820,822 is installed on the opposite side of front end 802.These contacts can be carbon, copper alloy or other suitable materials.If the front end at top 802 is made by electric conducting material, if perhaps top 801 integral body are made by electric conducting material, contact 820,822 must insulating mounting so.Vehicle 800 also comprises rechargeable battery (not shown).
Overhead support arm 202 comprises and is configured to the V-type part 204 that the shape with the front end 802 of vehicle roof 801 matches.Integral body is denoted as 220,222 a pair of electric contact piece by support arm 202 carryings, and is arranged to when vehicle sails dock into, and the contact 820,822 that carries with vehicle 800 electrically contacts.Obviously, arm 202 can differently be constructed to match with difform vehicle roof front end.
The best as shown in figure 15, in the example of contact 220, contact has brush shape structure, it has and firmly is arranged in the conductive plate 225 and a plurality of conducting rods 224 from extending to conductive plate 228 downwards.The best comprises the end-view of contact 220 as shown in figure 16 among the figure, plate 225 has been installed, and plate 225 longitudinal extension in the part 204 of arm 202.Contact 222 has the structure roughly the same with contact 220, and its conductive plate longitudinal extension in the opposite side of part 204.Under the necessary situation, unless arm 202 or at least its part 204 make by non-conducting material, otherwise the installation of the contact 220,222 in part 204 must be an insulating mounting.Lead (not shown) extends through arm 202 and post 201 to be positioned at the external power source received energy under the ground level from the typical case from contact 220,222.
Contact 220,222 can be made by copper alloy or other suitable materials.Contact dried 224 is answered tool elasticity but should be quite hard.Because bar is arranged in driver's sight line usually fully, therefore realize the accurate location of vehicle easily.Other locating parts of fence or vehicle front-wheel can be provided, move forward too far to prevent vehicle.In Figure 16, but not shown in Figure 14, the lid 250 that is installed to arm portion 204 has been described, it extends below contact 220 downwards in face of contact 220.Also can be contact 222 similar lid is set.These lids can not protected docking bay contacts 220,222 in order to avoid be subjected to vehicle damage, but can touch under the situation of contact when having the people to tilt to want in the contact energy supply for a certain reason really, provide necessary protection to these people.
The energy supply of the contact 220,222 of dock 200 can be controlled by variety of way, for example comprise with above-mentioned can be in order to the roughly the same mode of mode of energy supply of control docking bay contacts 20,22.
Can carry out various modifications and variations to the embodiment shown in the foregoing description and the figure, and those skilled in the art can draw these modifications and variations without doubt.For instance, low profile dock according to the present invention need not to have the inclined upper surface of the such general planar in the surface 13 of the structure 12 shown in the image pattern 1.On the contrary, for instance, the surface can not only turn forward as shown in Figure 1, also can slope inwardly from every end of dock and forms the V-arrangement surface of inclination.Also can use the contact of the contact 20,22 in the relative branch that for example is placed in the V-arrangement surface.Yet their contact surface that exposes will be towards tiltedly going up or inwardly, and will be positioned at Different Plane.Require the suitably corresponding vehicle contact in location, thereby realize required and adjacency docking bay contacts (be vehicle contact will be not only towards tiltedly down but also outwards).In another example, can revise the upper surface of structure 12 and comprise that image surface 13 is like that towards tiltedly going up and forward anterior and towards tiltedly going up and backward rear portion.Docking bay contacts can with front surface coplane longitudinal extension, another docking bay contacts can with rear surface coplane longitudinal extension.Once more, these contacts can be arranged in Different Plane.
In addition, foregoing should not hint that the recharging system on the vehicle can not comprise said elements other elements in addition.For instance, according to the actual recharging system in the particular vehicle, can think advantageously but not necessarily comprise specific device that this specific device is used for guaranteeing: unless vehicle contact 420,422 enough near dock, otherwise vehicle contact 420,422 keeps un-activations.

Claims (14)

1. dock that is used for to vehicle supply battery recharge energy, this vehicle has rechargeable battery and is positioned to receive from described dock a pair of vehicle contact of described energy, and described dock comprises:
(a) deenergized under a pair of normal condition, not protected docking bay contacts, it is used for when described vehicle sails described dock into and described vehicle contact electrically contacts;
(b) contact energy supply device, the input that it has the output that operatively is connected to described docking bay contacts and can be connected to exterior source of energy, described energy supply device can respond energy supply device control signal and never provide first state of battery recharge energy switches to provides second state from the battery recharge energy that is derived from described exterior source of energy to described docking bay contacts to described docking bay contacts; With
(c) controller, it operatively is connected to described energy supply device, and being used for provides described energy supply device control signal to described energy supply device conditionally.
2. dock as claimed in claim 1, wherein, described controller comprises and is used to respond to the proximity transducer of described vehicle near described dock, be used for sense predetermined requirement near the time provide described energy supply device control signal to described energy supply device.
3. dock as claimed in claim 2, wherein, the contacting with physics between the described docking bay contacts of described requirement near being described vehicle contact.
4. dock as claimed in claim 1, wherein, described controller comprises:
(a) a plurality of transducers, each transducer all are used to respond to whether have the relevant necessary condition that described energy supply device control signal is provided to described energy supply device, and are used for providing the related command signal as output when satisfying described relevant necessary condition; With
(b) signal processor, it operatively is coupled to described transducer and described energy supply device, and being used to receive described command signal provides described energy supply device control signal as output as input and when receiving all described related command signals,
Wherein, one of described transducer comprises the proximity transducer that is used to respond to the approaching described docking bay contacts of described vehicle contact.
5. as the described dock of arbitrary claim among the claim 1-4, wherein, each in the described docking bay contacts all has the contact surface that exposes of general planar.
6. as the described dock of arbitrary claim among the claim 1-4, wherein:
(a) each in the described docking bay contacts all has the contact surface that exposes of general planar; And
(b) described contact surface is positioned at roughly same plane.
7. as the described dock of arbitrary claim among the claim 1-4, wherein:
(a) each in the described docking bay contacts all has the contact surface that exposes of general planar; And
(b) described contact surface is positioned at roughly same plane and towards oblique upper.
8. as the described dock of arbitrary claim among the claim 1-4, wherein:
(a) each in the described docking bay contacts all has the contact surface that exposes of general planar; And
(b) described contact surface is arranged in Different Plane.
9. as the described dock of arbitrary claim among the claim 1-4, wherein said vehicle contact is supported by extensible wing plate, and wherein said docking bay contacts be oriented when described wing plate trail and described vehicle when sailing described dock into and described vehicle contact electrically contact.
10. as the described dock of arbitrary claim among the claim 1-9, wherein, described dock has the low profile that the fore-end that makes described vehicle can extend forward above described dock.
11. as the described dock of arbitrary claim among the claim 1-9, it is seated in the inner that is positioned at oblique parking stall on the street.
12. as the described dock of arbitrary claim among the claim 1-9, it forms the part of vehicle enclosing.
13. as the described dock of arbitrary claim among the claim 1-3, wherein, described energy supply utensil has:
(a) first mode of operation, it makes electric energy be sent to described vehicle through described dock from described exterior source of energy;
(b) second mode of operation, it makes electric energy be sent to the external electric line of force through described dock from described vehicle,
Described dock further comprises the device that is used to select described mode of operation.
14. dock as claimed in claim 4, wherein, one of described transducer comprises the device of authorizing described vehicle that its related command signal also only just is provided from the authorization signal of described dock received energy in order to receive when receiving described authorization signal.
CN2008801254953A 2008-05-27 2008-11-28 Docking bays for recharging vehicle batteries Pending CN101933212A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12894308P 2008-05-27 2008-05-27
US61/128,943 2008-05-27
PCT/US2008/013223 WO2009070334A1 (en) 2007-11-27 2008-11-28 Docking bays for recharging vehicle batteries

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Application publication date: 20101229