CN102484344B

CN102484344B - Charging station for electric vehicles

Info

Publication number: CN102484344B
Application number: CN201080022879.XA
Authority: CN
Inventors: 中山将司; 中沢英一; 芳井理
Original assignee: Matsushita Electric Industrial Co Ltd
Current assignee: Panasonic Holdings Corp
Priority date: 2009-05-28
Filing date: 2010-05-25
Publication date: 2014-09-03
Anticipated expiration: 2030-05-25
Also published as: JP2011142812A; JP2010277855A; WO2010136871A1; JP5796208B2; KR20120024651A; JP2011142101A; KR101256765B1; JP4835724B2; CN102484344A

Abstract

Disclosed is a charging station comprising: a tubular station body that has a plurality of storage spaces therein and is erected on the ground where electric vehicles are parked; and a plurality of outlet units that are stored in detachable a manner within the storage spaces of the station body. The outlet units are equipped with: an outlet where the power plug of a charging cable are connected by being removably inserted therein; and a case that holds the outlet and is stored within the storage space of the station body. Thus, by storing the outlet units within the storage space of the station main body, the station can accommodate an increase in the number of outlets and maintenance work such as repairing and replacing can be carried out more efficiently.

Description

Charging station for electric motor car

Technical field

The present invention relates to a kind of charging station for electric motor car, it is installed on the service area of highway, the parking lot of the parking lot of commercial undertaking, apartment building or other are similarly local.

Background technology

In recent years, not only for example, by internal combustion engine (petrol engine or diesel engine) but also the hybrid vehicle of being powered by motor and the electric motor car of only being powered by motor, caused concern.These cars can reduce CO2 emission and oil (for example gasoline or diesel oil) consumes and be more conducive to environment.

Up to the present, the great majority of hybrid vehicle are the chargeable storage types of charging under steam.Yet people's expection will be able to large quantities of supplies can be used the hybrid vehicle of family expenses alternating-current power supplies (commercial ac power power supply) to the type of chargeable storage charging soon when stopping.In such hybrid vehicle, first motor works, and when the charge depletion of chargeable storage, internal combustion engine is as back work.Such hybrid vehicle is known as plug-in hybrid automobile.

For electric automobile and plug-in hybrid automobile (being jointly called hereinafter " electric motor car ") more general, need to prepare the foundation structure for storage battery is charged.More particularly, the multiple power source (socket) that the public can use for example need to be arranged in the parking lot of Expressway Service, commercial undertaking and the public arena in apartment building parking lot.

In this respect, as an example that is arranged on the socket in outdoor region, a socket equipment (being also called power supply post) is provided conventionally, it comprise have the bottom that embeds ground post, be arranged in post and be connected to the socket of power line, described power line is from the power distribution plate branch of family of individual family out (referring to patent document 1).

In the power supply post of describing in patent documentation 1, the shell with door is connected to the top of cylindrical pillars.Two sockets are contained in described shell.Under the state of opening at the door of shell, attaching plug injects in the socket in shell.

Patent documentation 1: Japanese Unexamined Patent Publication No NO.H10-223339.

In the situation that above-mentioned power supply post is with acting on the charging station of electric motor car, with the multipotency of a charging station (power supply post), be that two electric motor cars charge simultaneously.Yet, for three or more electric motor cars are charged simultaneously, a plurality of charging stations (power supply post) need to be installed or the charging station (power supply post) that three or more arranges socket in the enclosure that has of another kind of type is installed.Therefore,, when the number of hope increase socket matches with increasing of the percent of pass with electric motor car, need to charging station (power supply post) be newly installed for electric motor car.

Summary of the invention

Consider above-mentioned situation, the invention provides a kind of charging station for electric motor car, it can match and improve the convenience of the maintenance work of for example repairing or changing with the growth of socket number.

According to one embodiment of present invention, provide a kind of charging station for electric motor car, comprising: station owner's body of tubulose, it has a plurality of accommodation spaces and is arranged on for parking the ground of electric motor car; Be positioned at the first socket of station owner's body, thereby be connected to removedly the first socket for the attaching plug of charging cable that electric motor car is charged; And the socket unit in one or more accommodation spaces that are removably accommodated in station owner's body.Each socket unit comprises socket and housing, and the attaching plug of charging cable is connected to described socket removedly, and described casing structure is for keeping the socket of each socket unit and being incorporated in an accommodation space of station owner's body.

Adopt such structure, each socket unit is incorporated in the accommodation space of station owner's body.This makes the maintenance work that can match and more for example repair or change with the growth of socket number.

In addition, the first socket can be the socket of one of them socket unit.

Adopt such structure, the maintenance work of for example repairing or changing will be carried out more efficiently.

In addition, above-mentioned charging station can further comprise box unit, and described box unit comprises the box main body that is accommodated in one or more described accommodation spaces and for closing openably the door of box main body opening.

Adopt such structure, the excessive portion of charging cable can be incorporated in the box main body of box unit.

In addition, above-mentioned charging station can further comprise one or morely having except power supply and take in the functional unit of other function function.Described functional unit is accommodated in the accommodation space of station owner's body removedly.

Adopt such structure, can be beneficial to increase or change and take in other function function, for example communication function, personal verification function and billing function except the function of supplying power of socket and box unit.

According to the present invention, make the maintenance work that can match and more for example repair or change with the growth of socket number.

Accompanying drawing explanation

Figure 1A be show gate and socket block when in the close position according to the front view of the charging station of first embodiment of the invention, Figure 1B is the front view of door and socket block this charging station when in an open position.

Fig. 2 is mounted according to the rear plate in the charging station of first embodiment of the invention and the rearview of uppermost socket block.

Fig. 3 A be show gate and socket block when in the close position according to the perspective view of the socket unit of the charging station of first embodiment of the invention, Fig. 3 B is the perspective view of show gate and socket block this socket unit while remaining on open position.

Fig. 4 is according to the left cutaway view of the part of the charging station of first embodiment of the invention.

Fig. 5 be door and socket block while remaining on open position according to the part perspective view of the charging station of first embodiment of the invention.

Fig. 6 be door and socket block while remaining on make position according to the part perspective view of the charging station of first embodiment of the invention.

Fig. 7 A shows the plane graph how using according to the charging station of first embodiment of the invention, and Fig. 7 B shows the plane graph that how to use traditional power supply post.

Fig. 8 A be show gate and socket block while remaining on make position according to the charging station front view of second embodiment of the invention, Fig. 8 B is the front view of door and the socket block charging station while remaining on open position.

Fig. 9 be the chamber door of wherein box unit while staying open according to the perspective view of the charging station of second embodiment of the invention.

Figure 10 be the door of chamber door, socket unit and socket block while remaining on make position according to the part perspective view of the charging station of second embodiment of the invention.

Figure 11 be the door of chamber door, socket unit and socket block while remaining on open position according to the part perspective view of the charging station of second embodiment of the invention.

Embodiment

Hereinafter, describe with reference to the accompanying drawings the charging station for electric motor car according to various embodiments of the present invention in detail.

(the first embodiment)

With reference to Fig. 1 and 2, the station owner's body 1, socket (the first socket) 20 and the socket unit 10 that according to the charging station for electric motor car of first embodiment of the invention, comprise tubulose, station owner's body 1 of tubulose has and is positioned at a plurality of (being 4 in the present embodiment) accommodation space 8 of this station owner's body and is erectly arranged on for parking the ground of electric motor car; Socket 20 is arranged in station owner's body 1, makes the attaching plug (not shown) of the charging cable 100 (referring to Fig. 7 A) for electric motor car is charged be connected to removedly socket 20; Socket unit 10 is removably accommodated in the accommodation space 8 of station owner's body 1.In this embodiment, being accommodated in socket unit 10 is vertically arranged at the socket 20 in uppermost in each accommodation space 8 in station owner's body 1 and is restricted to the first socket.Yet the reception position of the first socket is not limited to above-mentioned one.But the first socket can be to be for example accommodated in the socket 20 in second, third or the 4th accommodation space 8 in socket unit 10.The number of socket 20 is not limited to 4, can be also for example 2,3,5 or more.

Station owner's body 1 by assembling the flat metal sheets of three elongated rectangular is before left plate 2, right panel 3 and backboard 4 (referring to Fig. 4) form, the polygon tubular structure of end face and bottom surface opening.The fluorescent lamp FL (referring to Fig. 4) of annular is arranged on the topmost of station owner's body 1.With the light of for example acrylic resin, transmitting lampshade 5 that material makes is attached on the top side of station owner's body 1 to cover this fluorescent lamp FL.Depend on the brightness of the clock and watch moment or environment, fluorescent lamp FL is automatically opened and is closed by the lighting circuit (not shown) being contained in station owner's body 1.

Each connecting plate 6 in the vertical directions with narrow rectangular planar shape are arranged on the inner surface of left plate 2 and right panel 3 with from left plate 2 and right panel 3 inwardly outstanding (referring to Fig. 2).For connecting a plurality of screw hole 6a of each socket unit 10, with the regular interval along vertical direction, be formed in each connecting plate 6.

Each has the upper and lower panel 7A of rectangular planar shape and the highest and lowest portion of the front side that 7B is connected to station owner's body 1.Four accommodation spaces 8 are each other vertically upper and lower relation and are arranged in the top panel 7A and the space between lower panel 7B in station owner's body 1.

As shown in Fig. 3 A and 3B, each socket unit 10 comprise its front side, upper rear side, top side and bottom side openings polygon tubular shell 11, remain on housing 11 internal upper parts socket block 12 and for close openably housing 11 front downsides door 13.Socket block 12 comprises for keeping socket 20 holder in place 21 and being located at the socket panel 22 of flat rectangular box-shaped of the front side of holder 21.

As shown in Fig. 3 B and 4, holder 21 comprises a pair of respectively have the left and right side plate 21a and the flat floor 21c that makes the lower limb interconnection of each side plate 21a of trapezoidal shape substantially.Side plate 21a and base plate 21c form single.Socket 20 is attached to base plate 21c.Base plate 21c has through hole 21d, and the insertion groove 20a of socket 20 is exposed to the downside (referring to Fig. 3 B) of base plate 21c by this through hole 21d.Socket 20 is the known types of prior art, it comprises plug-pin receiver (not shown) of the contact (plug base pin) for holding attaching plug, for attachment plug-pin receiver to the terminal (not shown) of external cable and for holding the shell (not shown) of plug-pin receiver and terminal, this shell is made with insulating material.

Socket block 12 is connected to the opposite flank of the upper forepart of housing 11 pivotly at the place, top of socket panel 22 left and right surfaces.Socket block 12 is flexibly setovered by disc spring (not shown) in direction of rotation, and in this direction of rotation, the lower end of socket panel 22 is moved forward (this direction of rotation will be called as " opening direction " hereinafter).In other words, socket block 12 is rotatable between make position and open position, as Fig. 3 A and the 4 make position socket panel 22 that is shown in is closed the upper front side of housing 11, the base plate 21c in open position holder 21 gives prominence to forward the front side (front side of station owner's body 1) that surpasses housing 11 as shown in Figure 3 B.What be connected to socket block 12 is push bolt (not shown) and rotating speed decelerator (not shown), described pushing bolt is used to the elastic force that overcomes disc spring to keep socket block 12 in the close position, the rotating speed that described rotating speed decelerator rotates from make position to open position for reducing socket block 12.

Door 13 forms flat rectangular box shape.As shown in Figure 3 B, the right-hand member of door 13 is connected to the front bottom of housing 11 pivotly by a pair of hinge fraction 14.What be connected to door 13 rear surfaces is locking device 15, and this locking device 15 can pin 13 and be returned at the solution 13 o'clock coins of locking a door when coin inserts.Locking device 15 has the keyhole 15a being exposed on door 13 front surfaces.It is not shown in the accompanying drawings that coin plug-in unit and coin return to unit.The rear lower of door 13 and the interior bottom of housing 11 are connected by arm mechanism 16.The rotating range of arm mechanism 16 limiting doors 13 also keeps door 13 (positions shown in Fig. 3 B) in an open position.When door 13 is in the close position (position shown in Fig. 3 A), a gap that allows charging cable 100 to pass is present between the lower end and the lower end of housing 11 of door 13.

Each socket unit 10 has interlock (not shown).Owing to being provided with interlock, if socket block 12 is in an open position, electric power does not offer socket 20, only has electric power when socket block 12 is in the close position just to offer socket 20.

Each socket unit as above configuring 10 is accommodated in each accommodation space 8 of station owner's body 1 and by being fixed to station owner's body 1 with screw fastening housing 11 to connecting plate 6.As previously mentioned, four accommodation spaces 8 with same size are arranged on station owner's body 1 inside vertically, thereby each socket unit 10 can be incorporated in any one in four accommodation spaces 8.Between the housing 11 of each socket unit 10 being connected with connecting plate 6 and the backboard 4 of station owner's body 1, (referring to Fig. 4) is provided with wiring space, in this wiring space, a plurality of feed cable (not shown) that extend from outside are arranged in the horizontal direction.Circuit breaker BR is arranged between the upper back and backboard 4 of housing 11.Be arranged on the master that feed cable in wiring space is connected to circuit breaker BR.The inferior side of circuit breaker BR is connected to socket 20 by interlock by electric wire (not shown).

Next, by by according to the charging station for electric motor car of the present embodiment with order being described.When door 13 is opened and then the front surface of socket panel 22 is pushed, pushing bolt is opened and socket block 12 rotates to open position (referring to Fig. 5) from make position.In the bottom of socket panel 22, be provided with on fore-and-aft direction the overlapping and outstanding margining tablet 22a downwards in upper end with door 13.In door 13 closures, push bolt open in the situation that, margining tablet 22a contact with door 13 simultaneously, thus the rotation of prevention socket block 12.By the contact of the attaching plug of feed cable 100 is inserted in the insertion groove 20a of socket 20, feed cable 100 is connected to socket 20.Because the insertion groove 20a of socket 20 is the outstanding front side that surpasses station owner's body 1 forward, the task of attaching plug being injected to insertion groove 20a can complete easily.Further, the outstanding insertion groove 20a that surpasses the socket 20 of station owner's body 1 front side with respect to the horizontal plane faces down forward, can stop rainwater to enter in insertion groove 20a in the rainy day like this.

At attaching plug, be connected to after socket 20, by promoting the front surface of socket panel 22, socket block 12 is forced to rotate to make position from open position.Now, thus pushing bolt to be latched is fixed on make position by socket block 12.Then, coin is inserted in locking device 15.Door 13 is closed and locking device 15 utilizes key (not shown) locked.At this moment, feed cable 100 is drawn out of through a gap slave station main body 1, and described gap is limited between the lower end of door 13 and the upper end of the socket panel 22 of another socket unit 10, and described another socket unit 10 is accommodated in accommodation space 8 below subsequently.

When electric motor car is full of electricity, locking device 15 key release.Then, door 13 is opened and socket block 12 rotates to open position from make position.Thereafter, attaching plug is pulled out from the insertion groove 20a of socket 20.In this respect, if socket block 12 at open position; interlock disconnect the supply of electric power to socket 20.Therefore it likely stops the generation of shock hazard, and not so described shock hazard can occur in attaching plug when inserting from the insertion groove 20a of socket 20 and extracting.

At attaching plug, from socket 20 is extracted, by promoting the front surface of socket panel 22, socket block 12 is forced to rotate to make position from open position.Now, thus pushing bolt to be latched is fixed on make position by socket block 12.Then, the coin returning from locking device 15 is recovered and door 13 closures (referring to Fig. 6).

Fig. 7 A is the plane graph that generally shows the charging station for electric motor car of this embodiment being arranged in parking lot.Fig. 7 B shows the plane graph that is arranged on the power supply post 200 of describing in the patent documentation 1 in the parking lot as in Fig. 7 A.Shown in Fig. 7 B, traditional power supply post 200 need to be installed one in each position that can park two electric motor car EV, because power supply post 200 two sockets of tool only in a shell.In addition, for simultaneously, to two electric motor car EV chargings, the door of shell need to be opened always.So, if the driver of electric motor car EV leaves parking lot during charging operations, may there is following problem: charging cable 100 attaching plug stolen or charging cable 100 is removed to mischief from socket 20 by child.

According to the charging station for electric motor car of the present embodiment, station owner's body 1 possesses four accommodation spaces 8, at interior each socket unit 10 of taking in respectively of these four accommodation spaces 8, therefore can provide four sockets 20.Therefore, as shown in Figure 7, unique essential, station owner's body 1 is installed one at each place, space that can park four electric motor car EV.This makes to reduce the related cost of installation charging station.In addition, because the front bottom of the housing 11 of each socket unit 10 can be closed individually by door 13, this just may also guarantee that to many electric motor car EV chargings safety is to prevent stolen robber and mischief simultaneously simultaneously.Socket unit 10 needn't be accommodated in all accommodation spaces 8.For example, if charging station is arranged in the parking lot with the space that only can hold two electric motor cars, socket unit 10 can be accommodated in two in four accommodation spaces 8.

As mentioned above, according to the charging station for electric motor car of the present embodiment, use such structure: socket unit 10 is removably accommodated in the accommodation space 8 of station owner's body 1.This provides following beneficial effect, and charging station can be tackled the increase of socket 20 numbers, and the maintenance work of for example keeping in repair and changing can be carried out more efficiently.Although be to make the whole modularizations of socket 20 by socket 20 being arranged in the housing 11 of removable socket unit 10 in the present embodiment, but also may adopt such structure: one of them socket 20 (for example the first socket) is arranged in station owner's body 1 integratedly and not by modularization, remaining socket 20 (being three sockets 20 in the present embodiment) is arranged in socket unit 10 and is accommodated in removedly in accommodation space 8 simultaneously.

(the second embodiment)

As shown in Fig. 8 A and 8B, the second embodiment is characterised in that, box unit 30 is incorporated in the accommodation space of not taking in socket unit 10 8 of station owner's body 1.Other structures except box unit 30 are identical with the first embodiment still.Same parts will provide identical Reference numeral, and unnecessary description wherein will be omitted.

With reference to Fig. 9, box unit 30 comprises the box main body 31 of the rectangular box of vertical extension, and described box main body 31 has open front side and for closing openably the chamber door 32 of the front side of box main body 31.Box main body 31 is formed by metallic plate machine work.Box main body 31 comprises having with the top board of the upper cut part 31a of open front intercommunication, have and the base plate of the lower cut part 31b of open front intercommunication and the backboard with screw hole 31c, through screw hole 31c screw, is screwed backboard to be fixed on the connecting plate 6 of station owner's body 1.The external dimensions of box main body 31 equates with the size summation of two accommodation spaces 8 of station owner's body 1 substantially.

Chamber door 32 forms flat rectangular box-shaped by metallic plate machine work.The right part of chamber door 32 is connected to box main body 31 by a pair of hinge fraction 33.The lock 34 with oval locking plate 34a is connected to the upper left quarter of chamber door 32.By insert key (not shown) in the keyhole 34b exposing on chamber door 32 front surfaces, and spin locking part 34a makes it to engage with the lock part 34d being located on box main body 31 front sides, and chamber door 32 can lock together with box main body 31.

As above the box unit 30 of configuration is incorporated in two accommodation spaces 8 of station owner's body 1 with the same sequence that is applied to socket unit 10.By the screw hole 31b being formed in the backboard of box unit 30, attachment screw is threaded (referring to Fig. 8 A and 8B) with the screwed hole 6a of connecting plate 6, box unit 3 is fixed on station owner's body 1.As shown in Fig. 8 A and 8B, obsolete accommodation space 8 is hidden by blank panel 40 being connected to the front side of station owner's body 1.

The excessive portion of the charging cable 100 using in charging operations is all incorporated in box unit 30 with the charging control unit (not shown) that offers charging cable 100.Charging control unit has the function of cutting off circuit when charging cable 100 is short-circuited, and comprises the box-shaped enclosure of taking in the circuit of carrying out above-mentioned functions.Even when the excessive portion of door 32 closures and charging cable 100 and charging control unit are incorporated in box unit 30, the charging cable 100 that is connected to the socket 20 of socket unit 10 also can be introduced in box main body 31 through the upper cut part 31a of top board, and can through gap, be pulled to box unit 30 outsides from the lower cut part 31b of base plate, described gap is limited to (referring to Fig. 8 A and 8B, 10 and 11) between the lower end of chamber door 32 and the upper end of blank panel 40.

Except socket unit 10 and box unit 30, the various functional units with difference in functionality can be accommodated in the accommodation space 8 of station owner's body 1 removedly.The example of such functional unit comprises: have the functional unit of communication function, for the electric motor car EV by charging cable 100 and current charging, communicate or for carrying out network service by telecommunication cable and electric motor car EV; The functional unit with personal verification function, for carrying out contract customer personal verification only to allow this contract customer to charge to electric motor car; The functional unit with distant control function, for the release of remote control locking device 15; And the functional unit with Presentation Function, for control example if the display device of light-emitting diode or LCD monitor is with real much information and advertisement.

These functional units include a shell (not shown) that can be connected to the connecting plate 6 of station owner's body 1, for example housing 11 of socket unit 10, an and function implement device being arranged in described shell.If necessary, each above-mentioned functional unit of mentioning can be arranged in the accommodation space covering by blank panel 40.Adopt such structure, except the function of supplying power of socket unit 10 and taking in function of box unit 30, can be convenient to increase or the change of other function, for example communication function, personal verification function and billing function.

Under this embodiment, if desired, as long as accommodation space allows, at least one socket unit 10, at least one box unit 20 and at least one functional unit can be accommodated in a plurality of accommodation spaces of station owner's body 1 independent or combinedly.

Claims

1. for a charging station for electric motor car, comprising:

Station owner's body of tubulose, it comprises a plurality of accommodation spaces;

Be positioned at the first socket of station owner's body, thereby be connected to removedly the first socket for the attaching plug of charging cable that electric motor car is charged;

One or more socket units that are removably accommodated in station owner's body, and

Box unit, described box unit comprises the box main body that is accommodated in one or more described accommodation spaces and for closing openably the box unit door of box main body opening,

Wherein each socket unit comprises socket, housing and socket unit door, the attaching plug of charging cable is connected to described socket removedly, described casing structure is for keeping the socket of each socket unit and being incorporated in station owner's body, and described socket unit door is for closing openably the opening of each socket unit.

2. charging station according to claim 1, is characterized in that, further comprises:

Have except power supply and take in one or more functional units of other function function, described functional unit is accommodated in the accommodation space of station owner's body removedly.

3. charging station according to claim 1, is characterized in that, described station owner's body is arranged on for parking the ground of electric motor car,

Wherein said socket unit is removably accommodated in the accommodation space of station owner's body, and

Wherein the housing of each socket unit is accommodated in each accommodation space of station owner's body.