CN1178402A - Connector for charging electric motor vehicles - Google Patents
Connector for charging electric motor vehicles Download PDFInfo
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- CN1178402A CN1178402A CN 97116166 CN97116166A CN1178402A CN 1178402 A CN1178402 A CN 1178402A CN 97116166 CN97116166 CN 97116166 CN 97116166 A CN97116166 A CN 97116166A CN 1178402 A CN1178402 A CN 1178402A
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- connector
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- side connector
- charging
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- Y02T10/7005—
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- Y02T90/121—
Abstract
The invention provides a charging connector for electric vehicle. Groups of magnets are respectively provided on the joint surfaces of a vehicle-side connector and a power-supply-side connector in such a way that the N and S poles of a plurality of permanent magnets are alternately arranged in a circle. When charging is carried out, the magnetic attraction generated by placing the heteropolar magnets in both groups of magnets opposite to one another is utilized for bringing the vehicle-side connector and the power-supply-side connector into engagement with each other. After the charging, the group of magnets of the power-supply-side connector are turned by one pitch to place the homopolar magnets in both groups of magnets opposite to one another, whereby both connectors are easily separated from each other because of the magnetic repulsive force generated therebetween.
Description
The present invention relates to the connector for charging electric motor vehicles used to charging electric vehicle.
As the connector for charging electric motor vehicles of using to charging electric vehicle, be provided with vehicle side connector and mains side connector, wherein, the vehicle side connector is connected lift-launch on the electrical storage device on the car body, and is fixed on the car body; The mains side connector is connected on the power supply of power consumption power.Under the state that the mains side connector is entrenched in the vehicle side connector, charge, again the mains side connector is unloaded down from the vehicle side connector after charging finishes.
Connection between the above-mentioned charge connector, break away from operation, generally carry out with manual mode, therefore, the special requirement operation of charging reposefully.
As this device, United States Patent (USP) the 5th, 408 is for example arranged, No. 209 described charge connectors.Its structure is provided with seam 102 as shown in figure 26 on the assigned position of the car body of electric automobile 101, the connector 103 of charging usefulness can be inserted in the above-mentioned seam 102.
Below seam 102, be provided with and deposit the connector accommodation section 104 of charging with connector 103.Connector accommodation section 104 as shown in figure 27, it has secondary unshakable in one's determination 105 and be wrapped in secondary coil 106 on this iron core, being formed with the insertion path 10 7 of charging with connector 103 between secondary unshakable in one's determination 105.Charging with connector 103 have elementary unshakable in one's determination 108 be wrapped in primary coil 109 on this iron core.Primary coil 109 is excitatory with power supply by charging, under the state that inserts in the connector accommodation section 104 with connector 103 that will charge, makes primary coil 109 excitatory, so secondary coil 106 just produces electromotive force.Like this, the not shown traction battery of electric automobile is recharged.
In this structure, charging is to be inserted into downwards from the top and to insert in the path 10 7 by stitching 102 with connector 103, charge finish after, hold handle 103A again and upwards draw, just connector 103 can be pulled out in connector accommodation section 104.
But,, when not using,, therefore, on the composition surface, can adhere to foreign matter then for exposing state though composition surface unshakable in one's determination is bonded with each other when charging.And, because on above-mentioned charging device, secondary unshakable in one's determination 105 are positioned at 104 the insides, accommodation section, so be not easy to find, also be not easy to clean the foreign matter attached on secondary unshakable in one's determination 105 composition surface 105A, the 105A (with reference to Figure 27).
In addition, as shown in figure 27, two composition surface 105A are arranged on secondary unshakable in one's determination 105 because both directions are opposite, therefore, must change cleaning device direction, carry out cleaning work twice, pretty troublesome.
The present invention is in view of the above problems and proposes, and purpose is in order to improve chimeric, the operating efficiency when separating of mains side connector and vehicle side connector.
The present invention develops in view of the above problems, and purpose is in order to find easily and to clean attached to the foreign matter on the composition surface unshakable in one's determination easily.
First kind of structure of the present invention is for the electrical storage device charging of giving electric automobile and connector is bonded on connector for charging electric motor vehicles on the other side's the connector, the corresponding connector of magnetic that it was provided with and was configured in the other side's connector one side keeps using magnet, keeps keeping with the magneticaction between magnet and the magnetic engagement state of the other side's connector and this connector by this connector.
Second kind of structure of the present invention is on first kind of described connector for charging electric motor vehicles of structure of the present invention, constitute the electromagnet that connector keeps usefulness with the electromagnet that can change magnetic force, and can slowly remove by this connector and keep with magnet and magnetic magnetic force that produce, that keep the connector engagement state, like this, just, can break away from the other side's connector.
The third structure of the present invention is to be provided with several connectors to keep using magnet on second kind of described connector for charging electric motor vehicles of structure of the present invention, be configured in and the other side's connector mutually on the assigned position of opposed faces, and be from be partial to this toward each other the connector on one of face quadrate part position keep removing magnetic force to the maintenance of the opposing party's connector successively with magnet with magnet, like this, just, can separate from the other side's connector.
The 4th kind of structure of the present invention is described to be a kind of like this connector for charging electric motor vehicles, it has with carrying at the electrical storage device on the car body and is connected and is fixed on vehicle side connector on the car body, and be connected and supply with charging with the mains side connector on the power supply of electric power, during charging by toward each other and chimeric with mains side connector and vehicle side connector, after the charging, mains side connector and vehicle side connector are separated on the direction that is separated from each other between the face toward each other.On respect to one another of vehicle side connector and mains side connector, the N utmost point and the S utmost point that are provided with several magnet alternately are arranged in the magnet group of configuration circularly, by the mutually opposed magnetic attracting force that produces of two magnet groups' heteropole, make vehicle side connector and mains side connector keep chimerism, by the mutually opposed magnetic repulsive force that produces of the homopolarity between two magnet groups, the vehicle side connector is separated with the mains side connector.
The 5th kind of structure of the present invention is on the vehicle side connector and mains side connector of the 4th kind of described connector for charging electric motor vehicles of structure of the present invention, be provided with the detent mechanism that limits them and move along opposite each other direction, the magnet group of a side in vehicle side connector and the mains side connector is fixedly installed, the opposing party's magnet group can be provided with on respect to one another rotationally.
The 6th kind of structure of the present invention is on the 5th kind of described connector for charging electric motor vehicles of structure of the present invention, be provided with the mechanism that removes chimerism, this mechanism make the magnet group that can on respect to one another, rotate towards and the other side one side magnet group turn to mutual opposed position between the homopolarity.
In order to achieve the above object, the 7th kind of structure of the present invention is the connector for charging electric motor vehicles that with power supply the power of electric automobile is charged with electrical storage device by external charging, the recess internal memory with uncovered portion that forms in the electric automobile outside is placed with secondary iron core, twining on this secondary iron core and be connected power with the secondary coil on the electrical storage device, make to be tied with and be connected external charging and be bonded on the secondary iron core with the elementary iron core of the primary coil on the power supply, constitute loop-like magnetic circuit, in the secondary iron core with the uncovered portion of elementary engagement surface unshakable in one's determination towards recess.
The 8th kind of structure of the present invention be the 7th kind of described charging electric vehicle of structure of the present invention with the magnetic engagement device on, make the face that engages with elementary iron core in the secondary iron core in the same plane mutually.
According to first kind of structure of the present invention,, therefore, can prevent that this connector breaks away from the other side's connector without reason owing to connector keeps the magnet of usefulness and the installment state that the magneticaction between the magnetic keeps connector.Like this, just, can charge to electrical storage device reposefully.
According to second kind of structure of the present invention, when making this connector break away from the other side's connector, owing to be slowly to remove the magnetic force that is used to keep with the other side's connector engagement state, therefore, two connectors can not separate rapidly and the load of operator's one side is sharply increased.
According to the third structure of the present invention, when making this connector break away from the other side's connector, several connectors keep removing magnetic force successively with magnet, from putting the direction the opposing party the face toward each other just like break away from like peeling with the other side's connector.So, whole elementary being separated from of putting face toward each other, the load of operator's one side can sharply not increase.
According to the 4th kind of structure of the present invention, when charging, make vehicle side connector and mains side connector keep chimerism owing to producing magnetic attracting force, after charging finishes, two connectors are separated easily owing to producing magnetic repulsive force.When two connectors are chimeric,, when snatch-disconnect connector, utilize the repulsive force of magnet, so improved two chimeric, operating efficiencies when separating of connector because the effect of magnetic attracting force can keep chimerism.
In the 5th kind of structure of the present invention, be entrenched in the mains side connector on the vehicle side connector and when utilizing detent mechanism to hold them on the assigned position, because the magnetic attracting force effect between the magnet group of mains side connector and the magnet group of vehicle side connector, and to the opposed rotated position of both sides' heteropole.
According to the 6th kind of structure of the present invention, make the mains side connector when the vehicle side connector separates, make the magnet group of mains side connector rotate a predetermined angular by chimeric cancel system, when the homopolarity between two magnet groups is mutually opposed, because the effect of magnetic repulsive force makes the mains side connector from the vehicle side connector separately.
According to the 7th kind of structure of the present invention, because each composition surface of secondary iron core is towards the opened portion of recess, so when not using, the composition surface of the secondary iron core just opened portion by recess becomes state towards the electric automobile outside.Therefore, the operating personnel finds from the outside of electric automobile easily attached to the foreign matter on the composition surface, and cleaning device can be shifted onto on the composition surface, cleans easily.
According to the 8th kind of structure of the present invention, when not using, the plural composition surface of the secondary iron core that exposes is in the same plane mutually, so, as long as cleaning device is slided at grade, just can the elementary cleaning in whole composition surfaces of secondary iron core is clean.Therefore, the direction that does not need to change cleaning device as existing connector is carried out secondary cleaning, has improved the efficient of cleaning work.
Brief description of drawings is as follows:
Fig. 1 is the cross-sectional side view that the connector of the expression embodiment of the invention 1 is in released state.
Fig. 2 is the front view of the secondary iron core of embodiment 1.
Fig. 3 represents the cross-sectional side view of the cleaning work situation of embodiment 1 iron core.
Fig. 4 is the sectional drawing that the connector of expression embodiment 2 is in released state.
Fig. 5 is the front view of the mains side connector of embodiment 2.
Fig. 6 represents to produce between the magnet group of embodiment 2 synoptic diagram of magnetic attracting force state.
Fig. 7 represents to produce between the magnet group of embodiment 2 synoptic diagram of magnetic repulsive force state.
Fig. 8 represents to produce between the magnet group of embodiment 3 synoptic diagram of magnetic attracting force state.
Fig. 9 represents to produce between the magnet group of embodiment 3 synoptic diagram of magnetic repulsive force state.
Figure 10 represents to produce between the magnet group of embodiment 4 synoptic diagram of magnetic attracting force state.
Figure 11 represents to produce between the magnet group of embodiment 4 synoptic diagram of magnetic repulsive force state.
Figure 12 represents the front view of the mains side connector of the embodiment of the invention 5.
Figure 13 is in the sectional drawing of disengaged position for mains side and vehicle side connector.
Figure 14 keeps using the axonometric drawing of magnet for connector.
Figure 15 is the time diagram of the excitatory state variation of expression.
Figure 16 is the front view of the mains side connector of the embodiment of the invention 6.
Figure 17 is the axonometric drawing of the charging device of embodiment 7.
Figure 18 is the cross-sectional side view of the charging device engagement state of expression embodiment 7.
Figure 19 is the cross-sectional side view of the cleaning work situation unshakable in one's determination of expression embodiment 7.
Figure 20 is the cross-sectional side view of the charging device of expression embodiment 8.
Figure 21 is the cross-sectional side view of engagement state of the charging device of expression embodiment 8.
Figure 22 is the cross-sectional side view of the cleaning work situation unshakable in one's determination of expression embodiment 8.
Figure 23 is the cross-sectional side view of the cleaning work situation unshakable in one's determination of expression variation 1.
Figure 24 is the cross-sectional side view of the cleaning work situation unshakable in one's determination of expression variation 2.
Figure 25 is the cross-sectional side view of the cleaning work situation unshakable in one's determination of expression variation 3.
Figure 26 is the axonometric drawing of the charged state of the existing electric automobile of expression.
Figure 27 is the cross-sectional side view of existing charging device.
Below with reference to the embodiment 1 that Fig. 1-the present invention is specialized in Fig. 3 explanation.
The present embodiment connector for charging electric motor vehicles is made of vehicle side connector 10 and power connector 20, and wherein the vehicle side connector is fixed on the car body B of electric automobile, and is connected on the electrical storage device (not shown) that is positioned on the electric automobile; The mains side connector is connected the charging that is not located on the electric automobile and uses on the power supply (not shown).
Fall in and be provided with connection recess 11A (claiming " recess " among the present invention) by the lateral surface with electric automobile car body B on the car body B of this electric automobile, this connection becomes the connection cover 11 of vehicle side connector 10 with recess 11A.At connection cover 11 internal fixation substrate 12 is arranged, on substrate 12, be fixed with iron core in the form of annular discs 13 (the present invention claims " secondary iron core ").On on unshakable in one's determination 13 and side that mains side connector 20 engages, be formed with the coil accommodation section 14 of concentric circles annular.Secondary coil 15 is housed in this coil accommodation section 14 to coil state.
In addition, unshakable in one's determination 13 composition surface is divided into the central side of iron core 13 and two faces in the outside by coil accommodation section 14, and these two faces become when charging and iron core 23 engagement surface 13A, the 13B (with reference to Fig. 2) of mains side connector 20.This composition surface 13A, 13B are to become same plane earth configuration mutually as shown in Figure 3, and are to the peristome of using recess 11A towards connection.So, when two iron cores 13,23 engage, between secondary coil 15 and primary coil described later 25, form loop-like magnetic circuit.
At the circumference of substrate 12, be fixed with the mounting panel 16 of the concentric circles annular of surrounding iron core 13.On this mounting panel 16, be provided with the permanent magnet group 17 who forms by several (present embodiment are 16) permanent magnet 17A.This permanent magnet group 17 makes 16 permanent magnet 17A the N utmost point and S utmost point on the face of putting toward each other alternately be arranged in circle by the configuration of equal angles spacing as shown in Figure 2.On the outer peripheral face of these permanent magnets 17A, be formed with projection 18.By the annular pressing member 19 on the outer peripheral edges that are installed in mounting panel 16, projection 18 is pushed to substrate 12 1 sides, like this, just permanent magnet group 17 can be fixed on the substrate 12.
The opposing party's mains side connector 20 has in the side with 10 opposite to one another of vehicle side connectors and is formed with uncovered connector cover 21.On the substrate 22 in being fixed on this connector cover 21, be fixed with discoid unshakable in one's determination 23.On unshakable in one's determination 23 with vehicle side connector 10 side opposite to one another on, be formed with annular concentric coil accommodation section 24, in this coil accommodation section 24, taken in primary coil 25, this primary coil is coil shape.
At the circumference of substrate 22, be fixed with concentric circles annular mounting panel 26 around iron core 23, on this mounting panel 26, be provided with permanent magnet group 27.This permanent magnet group 27, the same with vehicle side connector 10, on the face of putting toward each other, the N utmost point and the S utmost point of 16 permanent magnet 27A alternately is configured to circle by the equal angles spacing arrangement.This permanent magnet group 27 configuration diameter of a circle is with equating of the permanent magnet group's 17 of vehicle side connector 10 layout circle.The projection 28 that forms on permanent magnet group 27 the outer peripheral face is pushed by annular pressing member 29 and to be fixed on the liner plate 22.
Make mains side connector 20 and above-mentioned vehicle side connector 10 respect to one another mutually near and chimeric, so the iron core 13,23 of both sides' connector 10,20 just toward each other, primary coil 25 becomes relative state with secondary coil 15 simultaneously.In this state, in case operation trigger 20T, electric current just flows to mains side connector 20 with power supply from charging, primary coil 25 is excitatory, form magnetic circuit, on secondary coil 15, produce em induced current, charge to electrical storage device by both sides' coil 15,25.
In charging process, vehicle side connector 10 and mains side connector 20, the magnetic attraction that produces between the heteropole owing to both sides' permanent magnet group 17,27 keeps chimerism.Promptly, when mains side connector 20 during near vehicle side connector 10, because magnetic attraction makes respect to one another to inhale mutually, and corrects position and the posture of mains side connector 20 with respect to vehicle side connector 10, so that both sides' permanent magnet group's 17,27 the N utmost point is mutually opposed with the S utmost point.When between both sides' the permanent magnet group 17,27 during fluid-tight engagement, chimeric action finishes, and mains side connector 20 is in the state that can not do relative motion to vehicle side connector 10, remains on chimerism really.
In addition, because permanent magnet group 17,27 the N utmost point and the S utmost point is respectively to dispose 8 by the equal angles spacing, therefore, mains side connector 20 can have 8 with the chimeric posture (position on the circumferencial direction) of vehicle side connector 10.But, utilize the connector posture in a circumferential direction of present embodiment of electromagnetic induction effect unrestricted, so no matter chimeric with which type of posture the connector 20 of mains side is, all can charge.
In addition, after charging, mains side connector 20 when vehicle side connector 10 is unloaded down, is then utilized the magnetic repulsive force effect that is produced between both sides' permanent magnet group 17,27 the homopolarity.Promptly, under the state of the handle 20G that holds mains side connector 20, rotate slightly in a circumferential direction with permanent magnet group 17,27 one-tenth concentric shape ground, both sides' permanent magnet group's 17,27 the N utmost point and S subtend and produce magnetic repulsive force extremely mutually then, therefore, mains side connector 20 is subjected to the propulsive thrust effect of vehicle side connector 10 and unloads down easily.
As mentioned above, according to present embodiment, when vehicle side connector 10 and mains side connector 20 tablings, because the effect of the magnetic attracting force that produces between permanent magnet 17A, the 27A, make between respect to one another and automatically inhale mutually, make connector 10,20 become chimerism, therefore, can easily carry out chimeric operation.In addition, when separating,, therefore, two connectors 10,20 are separated easily owing to utilize the effect of the magnetic repulsive force that produces between permanent magnet 17A, the 27A.
But the composition surface of two iron cores 13,23 constitutes loop-like magnetic circuit when charging, so be bonded with each other, become when not charging and expose state, therefore, can adhere to foreign matter on its composition surface.In the present embodiment, it is the opening portion of secondary unshakable in one's determination 13 composition surface 13A, 13B being used recess 11A towards connection, therefore, secondary unshakable in one's determination 13 composition surface 13A, 13B when not charging become state in the face of the outside of electric automobile by connecting opening portion with recess 11A.Like this, the operating personnel can easily find attached to the foreign matter on composition surface 13A, the 13B from electric automobile is outside.In addition, as shown in Figure 3, can also cleaning thing be shifted onto on the composition surface, so also be easy to clean from the electric automobile outside.Because of becoming same plane between composition surface 13A, the 13B mutually, therefore as shown in Figure 3, make on cleaning thing and this same plane and slide again, just can be elementary that two composition surface 13A, 13B cleanings are clean.Unlike existing connector, need to change cleaning thing towards carrying out twice cleaning, so can carry out cleaning work expeditiously.
As mentioned above, adopt the connector of present embodiment, just can find easily attached to the foreign matter on the composition surface unshakable in one's determination, and clean easily.
In addition, also can adopt this structure, promptly establish lid on the recess shown in the present embodiment (connect and use recess 11A), foreign matters enters in the recess when not using.
Below with reference to Fig. 4-Fig. 7, the embodiment 2 that the present invention specializes is described.
Present embodiment 2 is a part of structures that changed the vehicle side connector of the foregoing description 1, has also changed the structure of mains side connector simultaneously.Same structure adopts prosign, and its structure, effect and effect are no longer illustrated.
On the vehicle side connector 10 of present embodiment 2, on its opposed faces, be provided with eight alignment pins (constituting the detent mechanism of the important component of the present invention) 19A that gives prominence to from pressing member 19.This alignment pin 19A is along with the concentric circle of permanent magnet group 17, by the configuration of equal angles spacing.In addition, other structures of vehicle side connector 10 are identical with the vehicle side connector 10 of the foregoing description 1, so no longer explanation.
In addition, mains side connector 30 with vehicle side connector 10 toward each other on face one side, be provided with the connector cover 31 of opening.On the substrate 32 that is fixed on the next door 31A of this connector cover 31, be fixed with discoid unshakable in one's determination 33.On unshakable in one's determination 33, with vehicle side connector 10 toward each other on face one side, be provided with the coil accommodation section 34 of concentric circles annular.Primary coil 35 is collected in the coil accommodation section 34 with the state of coiling.
On the circumference of next door 1A, be provided with the mounting panel 36 of concentric circles annular round iron core 33.This mounting panel 36 has ball bearing 36A, and it is sandwiched in next door 31A and is fixed between the pressing member 39 on the 31A of this next door.Be in guide rail 31B, the 39A of circular section of concentric circles formation because ball bearing 36A is entrenched in next door 31A and pressing member 39, therefore, can rotate with one heart with connector cover 31.On mounting panel 36, be fixed with permanent magnet group 37, this permanent magnet group constitutes like this, and is promptly the same with vehicle side connector 10, makes the N utmost point of 16 permanent magnet 37A and the S utmost point alternately be configured to circle by the equal angles spacing arrangement.That is to say that the permanent magnet group 37 of this mains side connector 30 can carry out freely rotating with respect to connector cover 31.In addition, on respect to one another of pressing member 39, be formed with eight location holes (constituting the detent mechanism of important component of the present invention) 39B, these location holes can match with the alignment pin 19A of vehicle side connector 10 by the configuration of equal angles spacing.
In addition, on mains side connector 30, also be provided with chimeric cancel system 40, so that easily unload down from vehicle side connector 10.This chimeric cancel system 40 is made of following several parts, i.e. the L font gathering sill 41 that forms on connector cover 31; Be inlaid in the slide block 42 in this gathering sill 41; Be located at the latch 43 on the slide block 42; The stop hole 44 that on mounting panel 36, forms.
Gathering sill 41 has mutually orthogonal braking parts 41A and operating portion 41B, and when slide plate 42 was in the state of braking parts 41A position, as shown in Figure 6, latch 43 broke away from stop hole 44, and keeps out of the way on the position of not disturbing mounting panel 36.When slide block 42 advances to operating position 41B, latch 43 embeds in the stop hole 44, make slide block 42 from this state when the top of Fig. 7 is mobile, the permanent magnet group 37 of mains side connector 30 just moves spacings (spacing of a permanent magnet) with mounting panel 36.In addition, stop hole 44 is corresponding with eight permanent magnet 37A among 16 permanent magnet 37A, promptly presses the equal angles arranged spaced every a permanent magnet.Like this, when the heteropole between both sides' the permanent magnet group 17,37 is relative, latch 43 just one relative with any one stop hole 44 surely to.
Below, the effect of present embodiment is described.
When being fitted to mains side connector 30 on the vehicle side connector 10, slide block 42 is positioned on the position of braking parts 41A, in this state, make mains side connector 30 near vehicle side connector 10, make alignment pin 19A and location hole 39B chimeric.So the position between both sides' the connector cover 11,31 is just fixing, can not relatively move on respect to one another.Chimeric along with alignment pin 19A and location hole 39B, the permanent magnet group 37 of mains side connector 30 just turns to its N utmost point and the S utmost point on the S utmost point and the extremely opposed position of N with the permanent magnet group 17 of vehicle side connector 10.At this moment, because latch 43 breaks away from stop hole 44, therefore, latch 43 can not hinder permanent magnet group 37 rotation.When mains side connector 30 is fitted on the vehicle side connector 10,, make two connectors 10,30 keep chimerism by the magnetic attracting force that produces between both sides' the permanent magnet group 17,37.
When chimeric mains side connector 30, because alignment pin 19A and location hole 39B dispose by the equal angles spacing, therefore, mains side connector 30 has eight kinds with respect to the location posture of vehicle side connector 10, configuration in any case, the permanent magnet group 37 of mains side connector 30 is all free to rotate, so both sides' permanent magnet group 17,37 becomes the opposed state of heteropole, effect by the following magnetic attracting force that is produced of this state makes two connectors 10,30 tabling easily.
When vehicle side connector 10 unloads, at first make slide block 42 move to operating portion 41B mains side connector 30 from braking parts 41A, be fitted to latch 43 in the stop hole 44 after, in operating portion 41B, slide block 42 is moved above Fig. 6.So, the permanent magnet group 37 and the slide block 42 of mains side connector 30 moves a spacing to Fig. 6 top with being integral, therefore as shown in Figure 7, the permanent magnet 37A of mains side connector 30 and the permanent magnet 17A of vehicle side connector 10 become the corresponding state of homopolarity.Like this, just produce magnetic repulsive force between both sides' permanent magnet group 17,37, mains side connector 30 is subjected to the effect of the propulsive thrust of vehicle side connector 10, so unload down easily.
Below, with reference to Fig. 8 and Fig. 9 embodiment 3 is specifically described.
Present embodiment 3 is structure and the foregoing description 2 different examples of chimeric cancel system.Other structures are identical with embodiment's 2, and same structure is adopted prosign, and their structure, effect and effect no longer illustrated.
The chimeric cancel system 50 of present embodiment 3 is made of following several parts, the linearity gathering sill 51 that promptly forms on the connector cover; Be inlaid in the slide block 52 in this gathering sill 51; Be located at the driving cam 53 on the slide block 52; The inverted cam 54 that on mounting panel 36, forms.This inverted cam 54 is corresponding with eight permanent magnet 37A among 16 permanent magnet 37A, promptly is configured at interval with equal angles every a magnet.Like this, when both sides' permanent magnet group's 17,37 heteropole was relative, one made driving cam 53 relative with any one inverted cam 54 surely.Driving cam 53 and inverted cam 54 have cam surface 53A, 54A that the rotation direction to the permanent magnet group 37 of mains side connector 30 tilts separately.
When being fitted to mains side connector 30 in the vehicle side connector 10, as shown in Figure 8, the front end that slide block 52 retreats driving cam 53 falls back on the position that does not hinder inverted cam 54, therefore, brings obstacle can for permanent magnet group 37 rotation.
When unloading mains side connector 30, slide block 52 is forwards pushed along gathering sill 51.So the cam surface 53A of driving cam 53 engages with the cam surface 54A of inverted cam 54, owing to the inclination of both sides' cam surface 53A, 54A pushes mounting panel 36.As shown in Figure 9,37 of permanent magnet groups move a spacing, and then homopolarity is relative between both sides' the permanent magnet group 17,37, owing to the magnetic repulsive force that produces is between the two unloaded mains side connector 30 easily down.
Below, with reference to Figure 10 and Figure 11 embodiment 4 is described.
Present embodiment 4 is different examples of structure and the foregoing description 2 of chimeric cancel system.Other structures are the same with the foregoing description 2, and same structure adopts prosign, and their structure, effect and effect no longer illustrated.
The chimeric cancel system 60 of present embodiment 4 is made of following several parts, promptly can shake the trigger 62 that operatively is arranged on the connector cover 31 by supporting axis 61; The driving link rod 63 that can rotate with this trigger 62 with becoming one and on a side opposite, extend out with trigger 62; The driven link rod 65 of L font that is configured between this driving link rod 63 and the permanent magnet group 37 and is supporting by supporting axis 64 free to rotately; Be connected link rod 66 with what the front end that drives link rod 63 and an end of driven link rod 65 coupled together; The lock pawl 67 that on the other end of driven link rod 65, forms; The stop recess 68 that on mounting panel 36, forms.
When unloading mains side connector 30, draw trigger 62.So, drive link rod 63 and rotate to the counter clockwise direction of Figure 10, connect link rod 66 and press to the left of figure, driven link rod 65 rotates to clockwise direction.Rotation along with this driven link rod 65, lock pawl 67 is entrenched in the stop recess 68, and with its to the pushing of top of figure, permanent magnet group 37 moves a spacing, homopolarity between both sides' the permanent magnet group 17,37 is relative, because the effect of the magnetic repulsive force that produces is unloaded mains side connector 30 easily between the two.
Present embodiment 5 is shown in Figure 12-Figure 15, with the difference of embodiment 1 be two connector covers and the magnet structure that both is remained on installment state.
The connector cover 70 of the mains side connector 30 of present embodiment, rectangular as shown in figure 12, the heart disposes iron core 23 similarly to Example 1 therein, and is provided with a plurality of connectors maintenance magnet 71 at circumference.It is electromagnet that these connectors keep with magnet 71, magnet 71 for example as shown in figure 14, be to constitute like this, i.e. winding around 73 on the middle part of the magnetic core 72 pole side of bending to C font, that technical pure is iron, the magnet 71 that constitutes like this is installed on the connector cover 70, makes two end faces 74,74 and unshakable in one's determination 23 of magnetic core 72 become same plane (with reference to Figure 13).And, change excitatory state and non-excitatory state with the slider switch 75 (with reference to Figure 13) that is located at handle 20G back.
Several connectors keep with the configuring condition of magnet 71 as shown in figure 12, and the right and left the connector cover 70 of rectangle in respectively disposes three, about the central authorities on both sides respectively dispose one.When these magnet, are divided into three groups and remove excitatory state successively during to non-excitatory state exchange from excitatory state.Specifically, first group (with reference to the symbol G1 among Figure 12) is made up of both upper ends thereof and magnet lower central of connector cover 70, second group (with reference to the symbol G2 among Figure 12) is made up of with magnet center upper portion the two ends, bottom, and the 3rd group (with reference to the symbol G3 among Figure 12) is made up of the magnet of both sides central authorities.When slide switch 75 is disconnected, be located at timer on the power supply, be separated by after the stipulated time, the voltage that is added on each magnet spool 73 is cut off, remove excitatory state by first, second, third group order just according to the time diagram shown in Figure 15 (B).
In addition, vehicle side connector 10 with the inside of above-mentioned connector cover 70 corresponding rectangular connector covers 79, be provided with rectangular base 76 (with reference to Figure 13).In the central authorities of this base portion 76, the iron core 13 the same with embodiment 1 is installed, in base portion 76, keep several metallic plates 77 (being equivalent to magnetic of the present invention) being installed with on the relative position of magnet 71 with above-mentioned connector.Therefore, when mains side connector 30 engaged with vehicle side connector 10, metallic plate 77 kept connector to be joined together (with reference to Figure 14) with the two ends of magnet 71 as building bridge.Other structures are the same with the foregoing description, no longer repeat specification.
Effect, the effect of present embodiment are as follows.
In order to charge, make mains side connector 30 and vehicle side connector 10 toward each other, with slide switch 75 closures.So whole connectors keeps becoming excitatory state with magnet 71, holds metallic plate 77, at this moment, even the operating personnel has reduced to hold the strength of handle 20G, still can maintain the installment state of connector.Like this, in the charging operation, can prevent that mains side connector 30 breaks away from vehicle side connector 10 without reason.
After charging finishes, disconnect slide switch 75, so that mains side connector 30 breaks away from.So several connectors keep with magnet 71 removing magnetic force successively by first, second, third group of such order as Figure 15 (B) shown in, meanwhile, the attraction between two connectors 10,30 is such shown in Figure 15 (A), also weakens gradually thereupon.Be accompanied by the carrying out of this operation and since the operating personnel who holds handle 20G slowly increase connector 10 from heavy load, can break away from preparation, therefore, can break away from operation reposefully.
Embodiment 6 is that it is different with the excitatory releasing structure of magnet 71 that connector keeps, and only is described as follows with regard to difference here with the difference of the foregoing description 5.
The present embodiment connector keeps being divided into three groups shown in Figure 16 with magnet 71, removes excitatory state by each group.Specifically, first group (with reference to the symbol G1 among Figure 16) is made up of three magnet of connector cover 70 bottoms, second group (with reference to the symbol G2 among Fig. 1 6) is made up of two magnet of both sides, and the 3rd group (with reference to the symbol G3 among Figure 16) is made up of three magnet on top.When slide switch 75 was disconnected, the timer that is located on the power supply just was separated by the stipulated time successively according to first, second, third order, and the voltage that is added on each electromagnet coil 73 is cut off, and removed excitatory state.Like this, mains side connector 30 and vehicle side connector 10, can from both toward each other the lower side of face break away from successively to upper side, the operating personnel can be just like slowly strip down mains side connector 30 from the vehicle side connector 10 and to break away from operation like that, the load of operator's side can sharply not increase, so can successfully carry out operation.
In addition, also can adopt this structure, promptly when mounted connector, the order by the 3rd, second, first keeps carrying out with magnet 71 excitatory to connector, two connectors are engaged.
According to Figure 17-Figure 19 embodiment 7 is described.Present embodiment is to be provided with lid and to be to use example with the dissimilar iron core of the foregoing description 1 on recess.
On the lateral surface of electric automobile car body, be formed with outwardly open accommodation section 130 (present embodiment is called " recess "), and can utilize and cover 131 and open and close its open surfaces, portion disposes secondary coil assembly 140 within it.And, can the connector of being used by the extended charging of not shown external recharging apparatus on the end of cable 133 132 be inserted, also install along the arrow A direction of Fig. 17.
Above-mentioned secondary unshakable in one's determination 141, for example can select shape with the square rod side of bending to C font, on the longitudinal edge 141A of this C word, be wound with secondary coil 142, the horizontal opposite side 141B that forwards extends from the two ends of longitudinal edge 141A, the equal in length of 14B.The front end face of this relative edge 141B, 14B becomes and elementary 151 engagement surface 143,143 unshakable in one's determination described later, is positioned at each other on same, and opens wide to accommodation section 130.
In the chimeric surface of cover 134, with unshakable in one's determination 1 51 153 opposed positions, composition surface on, be formed with through hole 135 (with reference to Figure 18), when inserting connector 132 in the accommodation section 130, secondary unshakable in one's determination 141 subtend limit 141B enters in the cover 134 by above-mentioned hole 135, and two composition surfaces 143,153 are in state respect to one another and contact.Like this, form the loop-like magnetic circuit of sealing by two iron cores 141,151, therefore, when carrying out on secondary coil 142, producing electromotive force, so the traction battery of electric automobile EV is recharged when excitatory with 133 pairs of primary coils of cable 152 by charging.
In addition, in the opening edge portion of accommodation section 130, be provided with primary coil assembly 150 mechanically be fixed on fixed part 136 in the accommodation section 130, when preventing from primary coil assembly 150 is installed because of coming off because of carelessness.
Present embodiment constitutes as described above, and it has following effect.
Under the normal condition that does not have foreign matter to adhere on the composition surface 143, begin the operation of charging.After charging finishes, will cover 131 and cover, and make foreign matter be difficult to enter in the accommodation section 130.
Like this, present embodiment because accommodation section 130 is provided with and covers 131, can prevent when not using that foreign matter is attached on secondary unshakable in one's determination 141 the composition surface 143,143 except effect and effect with embodiment 1.
In the foregoing description 1 and embodiment 7, be to consider to make each faying face of secondary iron core become same plane mutually, but also can not become same plane that the following examples 8 are exactly that each composition surface of secondary iron core does not become conplane example.
Embodiments of the invention 8 are shown in Figure 20-Figure 22.The part that present embodiment and the foregoing description 7 are identical is represented with prosign, and no longer repeat specification, describes with regard to characteristic below.
Present embodiment secondary unshakable in one's determination 161 as shown in figure 20, see from the side and be the L font, and becoming circular columnar portion 161A along the cross section on one side of the L word of left and right directions in the figure, the cross section of the another side of the L word that is orthogonal with it becomes square square column part 161B.Secondary unshakable in one's determination 161 is under the state that has twined secondary coil 162 on the columnar portion 161A, is accommodated in the protective sleeve 164 that synthetic resin makes, and its protective sleeve 164 is fixed in the accommodation section 130.In addition; in secondary unshakable in one's determination 161; the front end face of columnar portion 161A and towards constituting and elementary 165 engagement surface 163A unshakable in one's determination, 163B with the side of the equidirectional square column part 161B of this front end face is by opening 164A, the 164B that forms on protective sleeve 164 130 the opened portion of doing well towards the accommodation section of revealing.
In addition; the structure of primary coil assembly 150 is the same with secondary coil assembly 140; and be housed in the protective sleeve 166 identical with the shape of above-mentioned protective sleeve 164, make elementary unshakable in one's determination 165 square column part 165B under the state below Figure 20, be fixed in the cover 134.When being installed in connector 132 in the accommodation section 130, as shown in figure 21, the composition surface of each columnar portion unshakable in one's determination engages with the composition surface of the square column part of a relative side iron core, forms loop-like magnetic circuit.
On the left and right sides face of cover 134 front ends, be provided with direction protrusion 167.In addition, on the medial surface of accommodation section 130, be provided with and two direction protrusions, 167 corresponding gathering sills 168, so that connector 132 is directed on the tram in the accommodation section 130.
Present embodiment is the same with above-mentioned embodiment 2, also be to open under 131 the state of covering, secondary unshakable in one's determination 161 composition surface 163A, 163B, therefore, finds attached to the foreign matter on composition surface 163A, the 163B towards outside (with reference to Figure 22) easily by the opened portion of accommodation section 130.In addition, when carrying out cleaning work, also the cleaning (with reference to Figure 22) of the cleaning of the composition surface 163A of columnar portion 161A and the composition surface 163B of square column part 161B can be separated and carry out.
The present invention is not limited to the embodiment form according to foregoing and description of drawings, for example, following embodiment is also contained in the technology of the present invention scope, even except following embodiment, also can implement through various changes in the scope that does not break away from main idea of the present invention.
(1) in the above-described embodiments, the situation of twining the magnet group configuration with coil is illustrated.But, according to the present invention, also can be on different positions with magnet group and coil configuration.
(2) in the foregoing description 2-4, be that the mains side connector is carried out chimeric releasing operation.But, according to the present invention, also can take this structure, the magnet group of vehicle side connector one side is freely rotated, and chimeric cancel system is set, carry out chimeric releasing operation in connector one side of vehicle side.
(3) in the above-described embodiments, the connector to the induction type of utilizing electromagnetic induction principle is illustrated.But, according to the present invention, the connector of the conduction type that the terminal that also can adopt power supply one lateral circuit and the terminal of car body one lateral circuit directly contact.
What (4) use in the above-described embodiments is permanent magnet, but, also can adopt electromagnet.
(5) in the above-described embodiments, the quantity of permanent magnet is 16, but according to the present invention, the quantity of permanent magnet can be set arbitrarily.
(6) in the foregoing description 2, also the spring member that slide block is pushed away to the top of Fig. 5 can be set.Like this, can resist magnetic attracting force, make the permanent magnet of mains side connector move a required operating physical force of spacing and alleviate.
In embodiment 2, also can be provided with equally the spring member of slide block to the pushing of the inboard (right side of Fig. 5) of fixed part.Like this, when carrying out chimeric operation, because the slide block portion of being fixed maintains, therefore, the permanent magnet group of mains side connector also can not be subjected to the interference of latch when rotation is mobile.
Certainly, also can take to be provided with the structure of two spring members, spring member that slide block is pushed away above Fig. 5 and the spring member that slide block is pushed away to fixed part inboard (right side of Fig. 5) promptly are set.
(7) in the foregoing description 4, be to make the permanent magnet group move a spacing by the operation trigger.But, also can adopt following mode of operation to replace the operation of trigger, promptly by with the plunger of manually operated slide block or electromagnet axially (direction that is orthogonal with permanent magnet group's rotation direction) move, and driven link rod is rotated.
(8) in the foregoing description 2, alignment pin 19A is fixed and be provided with.But this alignment pin also can be provided with as following, can be in the position outstanding and do not move between the outstanding position from face toward each other from the face toward each other of connector, and be to the outstanding direction application of force.Like this, can position under the near state of the magnet faciation mutual connection of two connectors, so the magnetic attracting force effect strengthens, both sides' connector remains on concentric easily, so the positioning operation of two connectors carries out easily.
(9) in the above-described embodiments, only utilize the magnetic attracting force of magnet that two connectors are remained on chimerism, also can fixed mechanism be set in addition, make two connectors remain on chimerism.This fixed mechanism for example relatively rotates between the magnet group and produces magnetic attracting force, and the action according to the position relation that produces magnetic attracting force causes is stuck in the opposing party's the recess calvus of a side connector.
If this fixed mechanism is set, then the inlay resultant force of two connectors just equals the stopping power that magnetic attracting force adds fixed mechanism, can further improve the reliability of connector chimerism.
(10) in the foregoing description 5, be that the time that cut-out is applied to the voltage on several electromagnet is staggered, slowly remove two confining forces between the connector.But, also can adopt following structure, promptly make the voltage that is applied on whole electromagnet slowly descend, reduce magnetic force with same timing, slowly remove two confining forces between the connector.
(11) in the foregoing description 1,7,8, the composition surface of secondary iron core is with just facing to the opened portion of recess.But, also not necessarily leave no choice but strictly use the front towards opened portion, importantly want to confirm pollution situation, and cleaning device can be cleaned easily by being pressed on the composition surface, as long as in this scope, also opened portion can be faced incline direction.For example, can adopt structure shown in Figure 23, promptly 141 bodies secondary unshakable in one's determination of embodiment 7 are configured in the accommodation section 130 obliquely.In addition, also can adopt structure shown in Figure 24, make embodiment 7 secondary unshakable in one's determination 141 in downside subtend limit 141D shorter than upside subtend limit 141U, the front end of each subtend limit 141U, 141D is cut off on respect to axial incline direction.
(12) in embodiment 1,7,8, each composition surface of secondary unshakable in one's determination 141 is towards same direction.But, also can adopt structure shown in Figure 25, be about to secondary unshakable in one's determination 141 among the embodiment 1 composition surface 143,143 both towards different directions.
Claims (14)
1. connector for charging electric motor vehicles, it is can be connected on the other side's connector so that the connector for charging electric motor vehicles that the electrical storage device of electric automobile is charged, it is characterized in that, the corresponding connector of magnetic that it was provided with and was configured in described the other side's connector one side keeps using magnet, thus, described connector maintenance is used to keep the chimerism of described connector and the other side's connector with the magnetic force between magnet and the described magnetic.
2. connector for charging electric motor vehicles as claimed in claim 1, it is characterized in that, it is the electromagnet of convertible magnetic force that described connector keeps with magnet, can remove lentamente by described connector and keep making described charge connector break away from described the other side's connector with the magnetic force that produces between magnet and the described magnetic, make two connectors maintenance chimerisms.
3. connector for charging electric motor vehicles as claimed in claim 2, it is characterized in that, described connector is provided with several connectors and keeps using magnet, described connector keep with magnet configuration with the assigned position of described the other side's connector one side respect to one another on, simultaneously, magnetic force is to keep being disengaged lentamente with magnet with the described connector maintenance of magnet on the near the opposing party position of the distance other end from the described connector on the near position of an end of a described side's opposite face, thus, described charge connector just can break away from from described the other side's connector.
4. connector for charging electric motor vehicles, it is characterized in that, it has and can be connected and can be fixed on vehicle side connector on the described car body with carrying at the electrical storage device on the car body, and can be connected the mains side connector of supplying with on the charging usefulness power supply of electric power, on the described vehicle side connector face relative with described mains side connector, the N utmost point and the S utmost point that are provided with several magnet alternately are arranged in the magnet group of configuration circularly, by the magnetic attracting force that the configuration of the heteropole between two relative magnet groups produces, make described vehicle side connector and described mains side connector keep chimerism; Magnetic repulsive force by the configuration of the homopolarity between relative described two magnet groups produces makes described mains side connector separate with described vehicle side connector.
5. connector for charging electric motor vehicles as claimed in claim 4 is characterized in that, in described two magnet groups, described several magnet are by the configuration of equal angles spacing arrangement.
6. connector for charging electric motor vehicles as claimed in claim 4 is characterized in that, is provided with the detent mechanism that restriction described vehicle side connector and described mains side connector move along the direction of described opposite face.
7. connector for charging electric motor vehicles as claimed in claim 6, it is characterized in that, fixedly install the magnet group of the side in described vehicle side connector and the described mains side connector, the opposing party's magnet group is set to and can rotates on described relative face, when chimeric, by described detent mechanism with two connectors location after, rotate described the opposing party's magnet group, so that carrying out the heteropole configuration on opposed described two magnetite groups mutually.
8. connector for charging electric motor vehicles as claimed in claim 7 is characterized in that, described the opposing party's magnet group by bearing by described the opposing party's connector support.
9. connector for charging electric motor vehicles as claimed in claim 7, it is characterized in that, also be provided with and remove two chimeric cancel systems that connector is chimeric, described chimeric cancel system rotates described the opposing party's magnetite group, so that carrying out the homopolarity configuration on opposed described two magnetite groups mutually.
10. charging electric vehicle magnetic coupling device, it is the device that with power supply the electrical storage device of electric automobile is charged by external charging, it is characterized in that, by being connected external charging with on the power supply, elementary iron core with the primary coil that is wrapped on the elementary iron core, and be connected on the electrical storage device, having the secondary unshakable in one's determination of secondary coil that is wrapped on the secondary iron core constitutes, described primary and secondary iron core can be bonded with each other and constitute the closed loop magnetic circuit, described secondary iron core is incorporated in the recess with opened portion that forms in the electric automobile outside, and the composition surface of the described secondary iron core that engages with described elementary iron core is towards the described opened portion of described recess.
11. charging electric vehicle as claimed in claim 10 magnetic coupling device is characterized in that, the composition surface of the described secondary iron core that engages with described elementary iron core is in the same plane mutually.
12. one kind is used for connector for charging electric motor vehicles that the electric automobile electrical storage device is charged, it is characterized in that, by first connector with magnetic, and second connector that is connected with first connector with connector constitutes, described second connector has and the corresponding connector maintenance of described magnetic magnet, and the magnetic force that produces between described connector keeps with magnet and described magnetic makes described first and second connectors keep chimerism.
13. connector for charging electric motor vehicles as claimed in claim 12, it is characterized in that, it is the electromagnet of convertible magnetic force that described connector keeps with magnet, keep described second connector being broken away from from described first connector by removing lentamente with the magnetic force that produces between magnet and the described magnetic, make described two connectors maintenance connection status by described connector.
14. connector for charging electric motor vehicles as claimed in claim 13, it is characterized in that, described second connector has several described connectors and keeps using magnet, described connector keeps with magnet configuration on the assigned position of the one side relative with described first connector, magnetic force is to keep being disengaged lentamente with magnet with the described connector maintenance of magnet on the near the opposing party position of the distance other end from the described connector on the near position of an end of a described side's opposite face, thus, described second connector just can break away from from described first connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97116166 CN1178402A (en) | 1996-08-09 | 1997-08-08 | Connector for charging electric motor vehicles |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP211669/96 | 1996-08-09 | ||
| JP28855/97 | 1997-02-13 | ||
| JP170702/97 | 1997-06-26 | ||
| CN 97116166 CN1178402A (en) | 1996-08-09 | 1997-08-08 | Connector for charging electric motor vehicles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1178402A true CN1178402A (en) | 1998-04-08 |
Family
ID=5173684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97116166 Pending CN1178402A (en) | 1996-08-09 | 1997-08-08 | Connector for charging electric motor vehicles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1178402A (en) |
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