CN102484344A

CN102484344A - Charging station for electric vehicles

Info

Publication number: CN102484344A
Application number: CN201080022879XA
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: 2012-05-30
Anticipated expiration: 2030-05-25
Also published as: KR20120024651A; JP5796208B2; JP2011142101A; KR101256765B1; CN102484344B; WO2010136871A1; JP4835724B2; JP2011142812A; JP2010277855A

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

The charging station that is used for electric motor car

Technical field

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

Background technology

In recent years, not only caused concern with the electric motor car of only supplying power by motor by internal combustion engine (for example petrol engine or diesel engine) but also by the hybrid vehicle of motor power supply.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 soon can be with the hybrid vehicle of family expenses alternating-current power supply (commercial ac power power supply) to the type of chargeable storage charging when stopping with the large quantities of supplies of ability.In such hybrid vehicle, motor is at first worked, and internal combustion engine is as back work when the charge depletion of chargeable storage.Such hybrid vehicle is known as the plug-in hybrid automobile.

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

In this respect; An example as the socket that is installed in outdoor zone; A socket equipment (also being called the power supply post) is provided usually; It comprises post with the bottom that embeds ground, be installed in the post and be connected to the socket of power line, and said power line is from the power distribution plate branch of family of individual family come out (referring to patent document 1).

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

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

Under above-mentioned power supply post situation, be that two electric motor cars charge simultaneously with the multipotency of a charging station (power supply post) with the charging station that acts on electric motor car.Yet,, need that a plurality of charging stations (power supply post) are 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 in order simultaneously three or more electric motor cars to be charged.Therefore, the number that increases socket when hope need newly be installed charging station (power supply post) for electric motor car when being complementary with increasing of the percent of pass of electric motor car.

Summary of the invention

Consider above-mentioned situation, the present invention provides a kind of charging station that is used for electric motor car, and it can be complementary 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, a kind of charging station that is used for electric motor car is provided, comprises: station owner's body of tubulose, it has a plurality of accommodation spaces and is installed in the ground that is used to park electric motor car; Be positioned at first socket of station owner's body, thereby the attaching plug of the charging cable that is used for electric motor car is charged is connected to first socket removedly; And one or more interior socket units of accommodation space that removably are accommodated in station owner's body.Each socket unit comprises socket and housing, and the attaching plug of charging cable is connected to said socket removedly, and said casing structure is the socket of each socket unit of maintenance and is incorporated in the 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 feasible maintenance work that can be complementary and more for example repair or change with the growth of socket number.

In addition, 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 said box unit comprises box main body that is accommodated in one or more said accommodation spaces and the door that is used for closing the box main body opening with 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 that power supply and take in the functional unit of other function the function.Said 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 the function, for example communication function, personal verification function and billing function except that the function of supplying power of socket and box unit.

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

Description of drawings

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

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

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

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

Fig. 5 is door and the socket piece part perspective view according to the charging station of first embodiment of the invention when remaining on open position.

Fig. 6 is door and the socket piece part perspective view according to the charging station of first embodiment of the invention when remaining on make position.

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

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

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

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

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

Embodiment

Hereinafter, will describe the charging station that is used for electric motor car in detail with reference to accompanying drawing according to various embodiments of the present invention.

(first embodiment)

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

Station owner's body 1 is the polygon tubular structure that left plate 2, right panel 3 and backboard 4 (referring to Fig. 4) form front, end face and bottom surface opening through the flat metal sheets of assembling three elongated rectangular.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 acrylic resin for example transmit lampshade 5 that material processes 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 through the some brightening circuit (not shown) that is contained in station owner's body 1.

Each connecting plate 6 in the vertical direction 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).The a plurality of screw hole 6a that are used to connect each socket unit 10 are to be formed in each connecting plate 6 along the regular of vertical direction at interval.

Each all 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.Be arranged in the top panel 7A and the space between the lower panel 7B in station owner's body 1 to four accommodation space 8 relations of presenting down each other vertically.

Shown in Fig. 3 A and 3B, the door 13 of downside before each socket unit 10 comprises its front side, goes up the polygon tubular shell 11 of rear side, top side and bottom side openings, remains on the socket piece 12 of housing 11 internal upper parts and is used for closing housing 11 with opening.Socket piece 12 comprises and is used to keep the socket 20 maintenance body 21 in place and the socket panel 22 of the flat rectangular box-shaped that is located at the front side that keeps body 21.

Shown in Fig. 3 B and 4, keep body 21 to comprise a pair of respectively the have left and right side plate 21a of trapezoidal shape and the flat floor 21c of the lower limb interconnection that makes each side plate 21a 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 through this through hole 21d.Socket 20 is the known types of prior art; It comprises the plug-pin receiver (not shown) of the contact (plug base pin) that is used to hold attaching plug, the shell (not shown) that is used for the terminal (not shown) of attachment plug-pin receiver to external cable and is used to hold plug-pin receiver and terminal, and this shell is processed with insulating material.

Socket piece 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 piece 12 is flexibly setovered by the disc spring (not shown) on direction of rotation, and the lower end of socket panel 22 will be moved forward (this direction of rotation will be called as " opening direction " hereinafter) on this direction of rotation.In other words; Socket piece 12 is rotatable between make position and open position; Be shown in the last front side that make position socket panel 22 is closed housing 11 like Fig. 3 A and 4, keep the outstanding forward front side (front side of station owner's body 1) that surpasses housing 11 of base plate 21c of body 21 like Fig. 3 open position that B is shown in.What be connected to socket piece 12 is push bolt (not shown) and rotating speed decelerator (not shown); Said pushing bolt is used to the elastic force that overcomes disc spring and keeps socket piece 12 to be in the close position, and said rotating speed decelerator is used to reduce socket piece 12 from the rotating speed of make position to the open position rotation.

Door 13 forms the flat rectangular box shape.Shown in Fig. 3 B, the right-hand member of door 13 is connected to the preceding bottom of housing 11 pivotly through pair of hinges part 14.What be connected to door 13 back surfaces is locking device 15, this locking device 15 when coin inserts, can pin 13 and during in unlock 13 coin be returned.Locking device 15 has the keyhole 15a that is exposed on door 13 front surfaces.It is not shown in the accompanying drawings that coin insertion unit and coin return the unit.The rear lower of door 13 and the interior bottom of housing 11 are connected through arm mechanism 16.The rotating range of arm mechanism 16 limiting doors 13 also keeps door 13 to be shown in an open position (position shown in Fig. 3 B).When door 13 is in the close position (position shown in Fig. 3 A), gap that allows charging cable 100 to pass is present between the lower end of lower end and housing 11 of door 13.

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

Each socket unit that as above disposes 10 is accommodated in each accommodation space 8 of station owner's body 1 and through being fixed to station owner's body 1 with screw rugged 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 among any in four accommodation spaces 8.(referring to Fig. 4) is provided with wiring space between the backboard 4 of the housing 11 of each socket unit 10 that links to each other with connecting plate 6 and station owner's body 1, and in this wiring space, a plurality of feed cable (not shown) that extend from the outside are arranged in the horizontal direction.Circuit breaker BR is installed between the upper back and backboard 4 of housing 11.Be arranged on the master that the interior feed cable of wiring space is connected to circuit breaker BR.The inferior side of circuit breaker BR is connected to socket 20 through interlock by the electric wire (not shown).

Next, will describe in proper order by use according to the charging station that is used for electric motor car of present embodiment.When door 13 was opened and the front surface of socket panel 22 is pushed then, pushing bolt was opened and socket piece 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 margining tablet 22a overlapping and outstanding downwards with the upper end of door 13.Under door 13 closures were pushed bolt situation about opening simultaneously, margining tablet 22a contacted with door 13, thereby stoped the rotation of socket piece 12.Contact through with the attaching plug of feed cable 100 is inserted among the insertion groove 20a of socket 20, and feed cable 100 is connected to socket 20.Because the outstanding forward front side that surpasses station owner's body 1 of the insertion groove 20a of socket 20 is injected attaching plug the task of insertion groove 20a and can be accomplished easily.Further, the outstanding forward insertion groove 20a that surpasses the socket 20 of station owner's body 1 front side with respect to the horizontal plane faces down, and can stop rainwater to get among the insertion groove 20a in the rainy day like this.

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

When electric motor car was full of electricity, locking device 15 was used the key release.Then, door 13 is opened and socket piece 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 piece 12 at open position then interlock breaks off the supply of electric power to socket 20.Therefore it might stop the generation of shock hazard, and not so said shock hazard can occur in attaching plug when from the insertion groove 20a of socket 20, inserting and extracting.

After attaching plug was extracted from socket 20, through promoting the front surface of socket panel 22, socket piece 12 was compelled to rotate to make position from open position.At this moment, thus pushing bolt to be latched is fixed on make position with socket piece 12.Then, the coin that returns 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 that is used for electric motor car of this embodiment that is installed in the parking lot.Fig. 7 B shows the plane graph that is installed in the power supply post of describing in the patent documentation 1 in the parking lot as among Fig. 7 A 200.Shown in Fig. 7 B, traditional power supply post 200 need 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, to two electric motor car EV chargings, the door of shell need be opened always for simultaneously.So if the driver of electric motor car EV leaves the parking lot during charging operations, possibly have following problem: charging cable 100 is stolen or the attaching plug of charging cable 100 is removed to mischief from socket 20 by child.

At the charging station that is used for electric motor car according to present embodiment, station owner's body 1 possesses four accommodation spaces 8, in these four accommodation spaces 8, takes in each socket unit 10 respectively, therefore four sockets 20 can be provided.Therefore, as shown in Figure 7, unique essential be that station owner's body 1 is installed one at each place, space that can park four electric motor car EV.This makes to reduce installs the related cost of charging station.In addition because the preceding bottom of the housing 11 of each socket unit 10 can be closed individually through door 13, this just maybe be simultaneously to many electric motor car EV chargings and guarantee simultaneously safely to be stolen and mischief preventing.Socket unit 10 needn't be accommodated in all accommodation spaces 8.For example, if charging station is installed in the parking lot with the space that only can hold two electric motor cars, socket unit 10 can be accommodated among two in four accommodation spaces 8.

As stated, the charging station that is used for electric motor car according to present embodiment uses such structure: socket unit 10 removably is 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.Though be in the present embodiment through making socket 20 whole modularizations in the housing 11 that socket 20 is installed in removable socket unit 10; But also possibly adopt such structure: one of them socket 20 (for example first socket) is installed 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 the socket unit 10 and is accommodated in removedly in the accommodation space 8 simultaneously.

(second embodiment)

Shown in Fig. 8 A and 8B, 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 still with first embodiment in identical.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 said box main body 31 has open front side and the chamber door 32 that is used for closing the front side of box main body 31 with opening.Box main body 31 is formed by the 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, passes screw hole 31c screw and is screwed with on the connecting plate 6 that backboard is fixed to 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 the flat rectangular box-shaped by the metallic plate machine work.The right part of chamber door 32 is connected to box main body 31 through pair of hinges part 33.Lock 34 with oval locking plate 34a is connected to the upper left quarter of chamber door 32.Through inserting the key (not shown) in the keyhole 34b that on chamber door 32 front surfaces, exposes, and spin locking spare 34a make it be located at box main body 31 front sides on lock part 34d engage, 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.Through the screw hole 31b in the backboard that is formed on 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.Shown in Fig. 8 A and 8B, obsolete accommodation space 8 is hidden through the front side that blank panel 40 is connected to station owner's body 1.

The excessive portion of the charging cable 100 that uses in the charging operations all is incorporated in the box unit 30 with the charging control unit (not shown) that offers charging cable 100.Charging control unit has the function of when charging cable 100 is short-circuited, cutting off circuit, 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 the box unit 30; The upper cut part 31a that the charging cable 100 that is connected to the socket 20 of socket unit 10 also can pass top board is introduced in the box main body 31; And can pass the gap from the lower cut part 31b of base plate and be pulled to box unit 30 outsides; Said gap is limited between the upper end of lower end and blank panel 40 of chamber door 32 (referring to Fig. 8 A and 8B, 10 and 11).

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, be used for electric motor car EV through charging cable 100 and current charging and communicate or be used for carrying out network service through telecommunication cable and electric motor car EV; Functional unit with personal verification function is used to carry out the contract customer personal verification and only to allow this contract customer electric motor car is charged; Functional unit with distant control function is used for the release of remote control locking device 15; And the functional unit with Presentation Function, the display device that is used to control light-emitting diode for example or LCD monitor is with multiple information of reality 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 the housing 11 of socket unit 10 and a function implement device that is arranged in the said shell.If necessary, each above-mentioned functional unit of mentioning can both be installed in the accommodation space that covers through blank panel 40.Adopt such structure,, can be convenient to the increase or the change of other function, for example communication function, personal verification function and billing function except the function of supplying power of socket unit 10 and taking in the function of box unit 30.

Under this embodiment, in case of necessity, 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 (according to the modification of the 19th of treaty)

1. charging station that is used for electric motor car comprises:

Station owner's body of tubulose;

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

One or more interior socket units of accommodation space that removably are accommodated in station owner's body,

Wherein each socket unit comprises socket and housing, and the attaching plug of charging cable is connected to said socket removedly, and said casing structure is the socket of each socket unit of maintenance and is incorporated in station owner's body.

2. charging station according to claim 5 is characterized in that, said first socket is the unit socket of one of them said socket unit.

3. according to

claim

2 or 5 described charging stations, it is characterized in that, further comprise:

Box unit, said box unit comprise box main body that is accommodated in one or more said accommodation spaces and the door that is used for closing the box main body opening with opening.

4. according to

claim

2,3 or 5 described charging stations, it is characterized in that, further comprise:

Have except that supplying power and taking in one or more functional units of other function the function, said functional unit is accommodated in the accommodation space of station owner's body removedly.

5. charging station according to claim 1 is characterized in that, said station owner's body has a plurality of accommodation spaces and is installed in the ground that is used to park electric motor car,

Wherein said socket unit removably is 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.

6. socket unit comprises:

Socket is used for the station that electric motor car is charged is linked to each other with this socket with the charging cable of electric motor car electrical interconnection removedly; And

Housing, it is configured to keep said socket and is incorporated in the said station.

Claims

1. charging station that is used for electric motor car comprises:

Station owner's body of tubulose, it has a plurality of accommodation spaces and is installed in the ground that is used to park electric motor car;

Wherein each socket unit comprises socket and housing, and the attaching plug of charging cable is connected to said socket removedly, and said casing structure is the socket of each socket unit of maintenance and is incorporated in the accommodation space of station owner's body.

2. charging station according to claim 1 is characterized in that, said first socket is the socket of one of them said socket unit.

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

4. according to any one described charging station of claim 1 to 3, it is characterized in that, further comprise: