CN109177756A - A kind of charging interface is threaded off the direct-current charging post of protection automatically - Google Patents
A kind of charging interface is threaded off the direct-current charging post of protection automatically Download PDFInfo
- Publication number
- CN109177756A CN109177756A CN201811117676.3A CN201811117676A CN109177756A CN 109177756 A CN109177756 A CN 109177756A CN 201811117676 A CN201811117676 A CN 201811117676A CN 109177756 A CN109177756 A CN 109177756A
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- Prior art keywords
- conduit
- hole
- half section
- charging
- inserted terminal
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/633—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/22—Contacts for co-operating by abutting
- H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
- H01R13/2407—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means
- H01R13/2421—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means using coil springs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/633—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only
- H01R13/635—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only by mechanical pressure, e.g. spring force
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/26—Connectors or connections adapted for particular applications for vehicles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention discloses a kind of charging interface and threads off automatically the direct-current charging post of protection; an inserted terminal is arranged in axial stretching on the end for the pipette tips that charge; inserted terminal cylinder is central axial through opening up a through-hole; through-hole peripheral distribution has the first conduit; a pair of of half section body is provided in through-hole; the peripheral distribution of half section body has the second conduit, and the first conduit docks to form conductive spliced eye with the second conduit；Half tapered recess is opened up along axial direction on the cross section of half section body, stretch one tapered cylinders of setting in the half-cone cavity of the left and right sides, a pair of of cavity is axially and symmetrically offered on the inner end of inserted terminal, a limit chamber is arranged in the outboard end of cavity, the inner end of tapered cylinders connects the telescopic end of a telescoping mechanism, the telescopic end two sides are symmetrically arranged with a pair of of branch's interlocking bar, and the one linkage head of end protrusion setting of branch's interlocking bar links head limitation activity in limit chamber.The present invention solves the technical issues of direct-current charging post is without mechanical overcurrent protection mechanism.
Description
Technical field
The present invention relates to technical field of new energy, and in particular to a kind of the thread off automatically direct current of protection of charging interface fills
Electric stake.
Background technique
The function of charging pile is similar to the fuel charger inside gas station, can be fixed on ground or wall, be installed on public
It builds in (public building, market, Public Parking etc.) and residential area parking lot or charging station, it can be according to different voltage
Grade is that the electric car of various models charges.The input terminal of charging pile is directly connected to AC network, and output end, which is equipped with, to be filled
Plug is used to charge for electric car.Charging pile generally provides two kinds of charging modes of normal charge and quick charge, Ren Menke
It is used with using specific recharged card to swipe the card on the man-machine interactive interface that charging pile provides, carries out corresponding charging side
Operation, the charging pile display screens such as formula, charging time, cost data printing can show the data such as charge volume, expense, charging time.
Charging pile is generally divided into direct-current charging post and alternating-current charging pile, wherein must carry using when alternating-current charging pile
Vehicular charger, and since the power of electric automobile and vehicle-mounted charger is generally all smaller, so alternating-current charging pile cannot achieve
Quick charge.Specifically, alternating-current charging pile has following characteristics: being fixedly mounted on outside electric car, connect with AC network, for electricity
The power supply unit of electrical automobile Vehicular charger offer AC power source.Electric power output is only provided, without charge function, plays a control
The effect of power supply.And direct-current charging post can provide enough power, the voltage and current adjusting range of output is big, may be implemented
The requirement of fast charge.Specifically, direct-current charging post has following characteristics: being mostly installed in large-scale charging station, with three-phase four-wire system
Mode connects power grid, is capable of providing sufficient electric power, and the voltage and current adjusting range of output is big.
From the foregoing, it will be observed that the advantage of direct-current charging post becomes apparent from, output power is bigger, and charging process is more quick.But due to
The output power of direct-current charging post especially charges initial phase in automobile batteries, and charging current is higher.And in the prior art
In, it is limited to the electricity protection role in Vehicular charging process, cause when with electric fault, is difficult to battery pack and fills
Electric stake plays a protective role.And existing direct-current charging post protection mechanism, is all electronic type mostly, and be not provided with machinery
Protective separation mechanism causes the protective value to charging pile and battery pack limited.
Summary of the invention
It is an object of the invention to solve at least the above problems, and provide the advantages of at least will be described later.
It threads off automatically the direct-current charging post of protection the object of the present invention is to provide a kind of charging interface, in connection charging pile
It is provided with gun stripping mechanism in charging pipette tips, when overcurrent or over-voltage generation, come split cell packet and can be filled by gun stripping mechanism
Electric stake plays the role of being effectively protected, and improves the electricity consumption security function of charging pile.The present invention solves direct-current charging post and does not have
There is the technical issues of mechanical overcurrent protection mechanism.
In order to realize these purposes according to the present invention and other advantages, provides a kind of charging interface and thread off automatically protection
Direct-current charging post, comprising:
Charge pile body, and input terminal is connect with three phase mains；
Charge pipette tips, connect with the charging pile body output end, and axial stretching is set on the end of the charging pipette tips
A cylindrical inserted terminal is set, the cylinder of the inserted terminal is central axial through a through-hole is opened up, if the through-hole peripheral distribution has
Dry first conduit, the length direction of first conduit are axial consistent with the inserted terminal；Radial expansion is set in the through-hole
It is equipped with a pair of of half section body, and the half section body and the inserted terminal axial direction synchronizing moving, the peripheral side of the half section body
Wall is matched with the through-hole left inner side wall or right inner side wall, and the peripheral distribution of the half section body has several and first conduit
Corresponding second conduit, when the half section body outer peripheral sidewall is bonded with the through-hole left and right sidewall, first conduit with
Second conduit docks the conductive spliced eye to be formed for grafting automobile charging contact pin interface；
Wherein, open up half tapered recess along axial direction on the cross section of the half section body, the half-cone cavity it is interior
Diameter is gradually increased towards inner end, and stretch one tapered cylinders of setting in the half-cone cavity of the left and right sides, the tapered pole
The diameter of body is gradually increased towards inner end, and the tapered cylinders outer surface is selectively bonded with the half-cone cavity；
A pair of of cavity is axially and symmetrically offered on the inner end of the inserted terminal, the length direction of the cavity leads to described
The length direction in hole is parallel, and the inner end of the cavity is opened wide, and opens up a limit inside the inserted terminal of the cavity outboard end
Position chamber, the internal diameter of the limit chamber are greater than the internal diameter of the cavity；The inner end of the tapered cylinders connects a telescoping mechanism
Telescopic end, the telescopic end two sides are symmetrically arranged with a pair of of branch's interlocking bar, branch's interlocking bar it is parallel with the telescopic end and
Synchronizing moving, the one linkage head of end protrusion setting of branch's interlocking bar, the diameter of the linkage head is between the limit chamber
Internal diameter and the cavity internal diameter between, the linkage head limitation activity is in the limit chamber, and the width of the limit chamber
Degree is greater than the width of the linkage head.
Preferably, the charging pipette tips are internally provided with accommodating cavity, and the through-hole is connected to the accommodating cavity, described
First conduit periphery is provided with conductive layer, and the inserted terminal and half section body are insulator, and the inner end of first conduit is prolonged
It extends in the accommodating cavity, external conductive connecting on the elongated end of first conduit, the conductive connecting is along described in warp
Charging pipette tips are connect with the output end of the charging pile body.
Preferably, the inner side wall of through hole is in globoidal structure, and the conductive spliced eye in the charging pipette tips is along described logical
The distribution of hole outer peripheral sidewall, half section body outer peripheral sidewall setting in the through-hole or so the matched globoidal structure of inner sidewall,
The half section body outer peripheral sidewall is selectively bonded with the inner side wall of through hole；First conduit and the second conduit semicircular in shape
Structure, and first conduit and the second conduit correspond.
Preferably, the cross-sectional direction of the half section body is axial parallel with the inserted terminal, the left and right sides described half
Preset clearance is provided between the cross section of section body, the maximum distance of the preset clearance is no more than the straight of first conduit
Diameter.
Preferably, at least a guide pad, the guide pad position is arranged in protrusion respectively on the through-hole side wall of the left and right sides
On through-hole side wall between two neighboring first conduit；One is opened up in the outer peripheral sidewall of the half section body to lead with described
To the corresponding pilot hole of block, the guide pad is plugged in the pilot hole；
The length of the guide pad and the depth of pilot hole are not less than the radius of first conduit, and the half section body is logical
It crosses the pilot hole to be arranged on the guide pad, so that the half section body is radial scalable in the lateral direction.
Preferably, the through-hole side wall of the guide pad side protrudes above one first spring of setting, first spring
It is folded between the through-hole side wall and half section body outer peripheral sidewall.
Preferably, a limited block is arranged in first conduit inner end, in first conduit on the outside of the limited block
One second spring, the one third of of length no more than first channel lengths of the second spring are set.
Preferably, an opening being connected to the accommodating cavity, the inserted terminal are opened up on the end of the charging pipette tips
In said opening, the opening extends certain distance in the axial direction, and axially opens up on the opening inner side wall for flexible setting
There are several guide grooves, corresponding protrusion is provided with several guide protrusions, the guide protrusions activity in the inserted terminal outer peripheral sidewall
It is arranged in the guide groove.
Preferably, half-cone cavity inner end and the accommodating cavity penetrate through, and the telescoping mechanism is arranged described
It accommodates in cavity, the end of the telescoping mechanism telescopic end is connect with the inner end center of the tapered cylinders, the telescopic machine
The telescopic direction of structure is consistent with the central axis of the inserted terminal.
Preferably, the cavity is symmetrically provided with the left and right sides of the inserted terminal axis center, and the linkage head correspondence is set
It sets in the left and right sides of the telescopic end, branch's interlocking bar is flexible to be arranged in the cavity, the end of the telescopic end
It outwardly protrudes in the first set a distance of linkage.
Compared with prior art, the beneficial effect that the present invention includes is:
1, the present invention is provided with mechanical insulation blocking mechanism between charging pile and vehicle-mounted charge connector, improves pair
The safeguard protection performance of direct-current charging post；
2, it when overcurrent or over-voltage occur, can be played effectively by gun stripping mechanism come split cell packet and charging pile
Protective effect, improve the electricity consumption security function of charging pile, charge mechanical failure removal, improve to equipment protection can
By property；
3, charging pile anti-overflow, over-voltage and the performance of lightning protection are improved, charging pile internal electronic component and vehicle are avoided
Carry the damage of battery pack；
4, after the charging complete of on-vehicle battery packet, battery can also be made to separate with charging pile by gun stripping mechanism, avoids electricity
Chi Bao is in floating charge state for a long time, extends the service life of battery pack.
Further advantage, target and feature of the invention will be partially reflected by the following instructions, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the front view of charging pipette tips；
Fig. 3 is the cross-sectional view of charging gun casing；
Fig. 4 is the structural schematic diagram inside through-hole；
Fig. 5 is the structural schematic diagram of inserted terminal inner end；
Fig. 6 is mounting structure schematic diagram of the tapered cylinders in through-hole；
Fig. 7 is through-hole cross-sectional view；
Fig. 8 is the installation site structural schematic diagram of half section body；
Fig. 9 is the structural schematic diagram of connection-peg when conductive through hole unclamps；
Figure 10 is the structural schematic diagram after inserted terminal retraction；
Figure 11 is the structural schematic diagram of connection-peg when conductive through hole closes up；
Figure 12 is the position view that conductive through hole closes up rear tapered cylinders；
Figure 13 is the attachment structure schematic diagram of branch's interlocking bar.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to comment
It can implement accordingly.
As shown in figures 1-13, it threads off automatically the direct-current charging post of protection the present invention provides a kind of charging interface, comprising: fill
Electric pile body 100 and charging pipette tips 200.The input terminal of charging pile body 100 is connect with three phase mains, the pipette tips 200 that charge and institute
Charging 100 output end of pile body connection is stated, stretch one cylindrical inserted terminal 210 of setting on the end of the charging pipette tips 200, just
When normal state, inserted terminal 210 is in salient position, and inserted terminal 210 is plugged in automobile charging contact pin interface, fills for battery pack
Electricity.When an error occurs or battery pack is in floating charge state for a long time, control inserted terminal 210 is quickly into charging pipette tips 200
Portion's retraction realizes that the separation of battery pack and direct-current charging post is threaded off so that inserted terminal 210 is separated with automobile charging contact pin interface,
It namely realizes and quickly jumps rifle process, play the role of protecting charging pile equipment and battery pack Electrical Safety.
Specifically, being internally provided with accommodating cavity in the charging pipette tips 200, opened up on the end of the charging pipette tips
One opening 280 being connected to the accommodating cavity, the flexible setting of the inserted terminal 210 is in the opening 280, normal condition
When, inserted terminal 210 is outwardly protruded in 280 certain distances that are open, convenient with charging interface grafting, when an error occurs or battery pack
When being in floating charge state for a long time, control inserted terminal 210 is inwardly contracted in accommodating cavity, and inserted terminal 210 and automobile charging are inserted
The tripping of needle interface quick separating.
The opening 280 extends certain distance in the axial direction, stretches in opening 280 so that inserted terminal 210 is stablized, guiding
Fitting flexible setting in 281 periphery of slot is in the opening 280.And several guiding are axially offered on 280 inner sidewalls of the opening
Slot 281, the length of guide groove 281 is not less than the length of conductive pin on charging interface, so that guide groove 281 has foot in the axial direction
Enough moving distances, so that conductive pin is separated with inserted terminal 210.
Corresponding protrusion is provided with several guide protrusions 213, the guide protrusions 213 in 210 outer peripheral sidewall of inserted terminal
Limitation is movably arranged in the guide groove 281, so that the axial movement for inserted terminal 210 provides guiding.
The inserted terminal 210 is in bar shape structure, flexible in opening 280 convenient for inserted terminal 210, in inserted terminal 210
Cylinder is central axial, and through a through-hole 220 is opened up, through-hole 220 is rounded or oval, the through-hole 220 and the accommodating cavity
Connection.
There are several first conduits 221, the length direction of first conduit 221 and institute in 220 peripheral distribution of through-hole
State the axial consistent of inserted terminal 210.In the present embodiment, each symmetrically three first are offered in 220 periphery of through-hole of the left and right sides
The size of conduit 221, each first conduit 221 can be adjusted according to the size of contact pin on automobile charging interface.
Wherein, at least a guide pad 222 is arranged in protrusion respectively on 220 side wall of the through-hole of the left and right sides, specifically, institute
Guide pad 222 is stated on 220 side wall of through-hole between two neighboring first conduit 221.
A pair of of half section body 230,240 is movably set in the through-hole 220 simultaneously, half section body is small in arc-shaped
Half column structure, such as one third cylinder, half section body 230,240 are symmetrically distributed in the left and right sides in through-hole 220.It is described
The outer peripheral sidewall of half section body 230 is matched with 220 left inner side wall of through-hole, and the outer peripheral sidewall of half section body 240 is led to described
The matching of 220 right inner side wall of hole.
The peripheral distribution of the half section body has several second conduits 231 corresponding with first conduit 221, works as two sides
Half section body outer peripheral sidewall when being bonded with 220 left and right sidewall of through-hole, first conduit 221 and the second conduit
231 correspond, and first conduit 221 is docked with the second conduit 231 and formed for grafting automobile charging contact pin interface
Conductive spliced eye 260.After charging pipette tips 200 are plugged in automobile charging interface, contact pin on charging interface is corresponding to be inserted into the
In the conductive spliced eye 260 that one conduit 221 and the second conduit 231 are spliced to form, the conduction of charging pipette tips and charging interface is realized
Connection is charged for battery pack.
A pilot hole corresponding with the guide pad 222, the guide pad are opened up in the outer peripheral sidewall of the half section body
222 activities are plugged in the pilot hole, so that the half section body radial expansion is arranged in the through-hole 220, with
It controls the first conduit 221 and docks or separate with the second conduit 231, that is, control the diameter of conductive spliced eye 260, when the first slot
When road 221 is docked with the second conduit 231, conductive spliced eye 260 closes up, so that conductive spliced eye 260 keeps tight with conductive pin
Gu conduction state；And when the first conduit 221 is separated with the second conduit 231, conductive spliced eye 260 is expanded, conductive pin
It is unclamped from conductive spliced eye 260, conductive pin is facilitated to detach from conductive spliced eye 260, so that charging pipette tips 200 jump rifle,
With charging interface quick separating, the safety of protection charging pile body 100 and on-vehicle battery packet.
And due to the guiding role of guide pad 222 and pilot hole, so that the half section body 230,240 of two sides can only be in radial direction
Upper flexible, axial position is fixed, and is avoided when the pipette tips that charge are docked with charging interface, axial position occurs for half section body 230,240
It moves and the connection of conductive pin is caused to loosen.
In the present embodiment, 221 periphery of the first conduit is provided with conductive layer, that is, the first conduit 221 is conductive trough
Conductive layer has also can be set in road, 231 periphery of the second conduit, convenient for conductive pin and conductive 260 conductive contact of spliced eye, and
The inserted terminal 210 and half section body are insulator, to reinforce insulation performance.
The inner end of first conduit 221 extends in the accommodating cavity, on the elongated end of first conduit 221
External conductive connecting, the conductive connecting connect along the output end through the charging pipette tips 200 and the charging pile body 100
It connecing, each conduction spliced eye 260 is connected on the correspondence contact jaw of charging pile body 100 by corresponding conductive connecting, with
Realize the conductive connection of charging pipette tips 200 and the pile body 100 that charges.
220 inner sidewall of through-hole is in globoidal structure, and the conductive spliced eye 260 in the charging pipette tips 200 is along described
The distribution of 220 outer peripheral sidewall of through-hole, corresponding, the half section body outer peripheral sidewall setting is in and 220 or so the inner sidewall of through-hole
Matched globoidal structure, by moving radially for half section body, so that in the half section body outer peripheral sidewall and the through-hole 220
Sidewall selectivity fitting.
Specifically, 231 semicircular in shape structure of first conduit 221 and the second conduit, the one of each conduction spliced eye 260
Half, that is, the first conduit 221, it is arranged on 220 side wall of through-hole, the other half, that is, the second conduit 231, it is arranged in half
In the body outer peripheral sidewall of face, when half section body outer peripheral sidewall is bonded with 220 outer peripheral sidewall of through-hole, the first conduit 221 and the second slot
Road 231 corresponds, so that the first conduit 221 and the second conduit 231 are spliced to form several complete conductive through holes 260, and
And make the internal diameter of conductive through hole 260 that there is Telescopic.
Axial parallel, the left and right sides half section of the cross-sectional direction of the half section body and the inserted terminal 210
It is provided with preset clearance between the cross section of body, in order to which half section body stretches radially.And the maximum of the preset clearance
Distance is no more than the diameter of first conduit 221, that is, the internal diameter of conductive through hole 260, to limit the movement of half section body
Distance.
Corresponding, the half section body is set on the guide pad 222 by the pilot hole, so that the half section
Body can only be radial scalable in the lateral direction.And the length of the guide pad 222 and the depth of pilot hole are not less than described
The radius of first conduit 221, since the preset clearance between the cross section of the left and right sides half section body is no more than described the
The diameter of one conduit 221, and the left and right sides half section body is synchronized and is moved radially, so single half section body is most
Big moving distance is not more than the radius of the first conduit 221, therefore ensure that half section body during moving radially, is oriented to
Block 222 is limited in pilot hole always, provides guiding for moving radially for half section body, while ensure that half section body and inserting
Connect the synchronous axial movement in end.
In the present embodiment, 220 side wall of the through-hole in 222 side of guide pad protrudes above one first spring of setting
223, first spring 223 is folded between 220 side wall of through-hole and half section body outer peripheral sidewall, specifically, can be
A positioning chamber is opened up respectively on 220 side wall of through-hole and half section body outer peripheral sidewall corresponding position, and the first spring 223 is limited
It is contracted in the positioning chamber of two sides, the length of the first spring 223 is not less than the depth of two sides positioning chamber, so that the first spring 223
Half section body can be pushed to move radially inwardly, while when half section body is bonded with 220 side wall of through-hole, the first spring 223
It can be accommodated in the positioning chamber of two sides again, avoid hindering being bonded for half section body and 220 side wall of through-hole.
To in normal state, by the effect of the first spring 223, drive the half section body 230 and 240 of the left and right sides
It synchronizing and moves inward, the outer peripheral sidewall of half section body 230 and 240 of the left and right sides is separated with 220 left and right sidewall of through-hole, that is,
Conductive through hole 260 is opened, and conductive pin and conductive through hole 260 unclamp.And it needs the outer peripheral sidewall of half section body 230 and 240
When being bonded with 220 left and right sidewall of through-hole, need to push the half section body 230 and 240 of two sides is synchronous to move radially compression outward
First spring 223, until making the first conduit 221 dock completion with the second conduit 231.
When failure occurs, automatic jump rifle is realized in order to the pipette tips 200 that charge, it will charging pipette tips 200 and charging
Interface quick separating realizes fast break, with protection charging pile body 100, on-vehicle battery packet and peripheral electronic device, this hair
Quickly inwardly side is mobile for bright driving inserted terminal 210, until being contracted in accommodating cavity, forces conductive pin and inserted terminal
210 detach, and realize and jump rifle.Meanwhile in order to assist and accelerate to jump rifle process, the present invention is set in 221 inner end of the first conduit
It sets a limited block 2211, a second spring 2212 is set in first conduit 221 in 2211 outside of limited block, described the
The one third of of length no more than first conduit, 221 length of two springs 2212 avoids the insertion for influencing conductive pin deep
Degree.
When the pipette tips 200 that charge, which are plugged on charging interface, to charge for on-vehicle battery packet, conductive pin stretches to conductive logical
With its conductive contact in hole 260, with the increase of insertion depth, conductive pin compresses second spring 2212.Due to conductive at this time
Contact pin and conductive through hole 260 are in close-fitting conjunction state, therefore second spring 2212 is also not enough to conductive pin from conductive through hole
It is popped up in 260；It, can also be in charging pipette tips 200 and charging interface in order to guarantee that conductive pin is maintained in conductive through hole 260
Junction is provided with automatic locking, after conductive pin is connect in place with conductive through hole 260, will be charged pipette tips by automatic locking
200 connect locking with charging interface, control automatic locking tripping again when jumping rifle.
When failure occurs or battery pack is in floating charge state for a long time, the half section body 230 and 240 of the left and right sides is controlled
Synchronization is unclamped from 220 left and right sidewall of through-hole, that is, under the promotion of the first spring 223,230 He of half section body of two sides
240 synchronize and move inward, and the outer peripheral sidewall of half section body 230 and 240 of the left and right sides is separated with 220 left and right sidewall of through-hole,
It is exactly that conductive through hole 260 is opened, conductive pin and conductive through hole 260 unclamp.
Driving inserted terminal 210, quickly inwardly side is mobile, and pressure detaches conductive pin and inserted terminal 210, realizes and jumps rifle.
In the process, under the promotion of second spring 2212, conductive pin is ejected conductive pin, that is, charging 200 quilt of pipette tips
Pop-up assists and accelerates to jump rifle process, cut off the power, avoids damage equipment.After jumping rifle, control half section body 230 and 240 is multiple
Position, holding are bonded with 220 left and right sidewall of through-hole, guarantee the integrality of conductive through hole 260, and the first spring 223 is compressed again.
In order to realize that the half section body 230 and 240 of the left and right sides moves radially, the present invention is once improved:
Firstly, opening up half tapered recess 232, the half-cone cavity along axial direction on the cross section of the half section body
232 internal diameter is gradually increased towards inner end, and 232 inner end of half-cone cavity and the accommodating cavity penetrate through, two sides
Half-cone cavity 232 can be correspondingly formed a cone-shaped cavity.
Stretch one tapered cylinders 250 of setting in the half-cone cavity 232 of the left and right sides, that is to say, that tapered pole
Body 250 is flexible to be arranged in the cone-shaped cavity formed between the half-cone cavity 232 of two sides, the tapered cylinders 250
Diameter is gradually increased towards inner end, and 250 outer surface of tapered cylinders is bonded with 232 selectivity of half-cone cavity.
Specifically, a telescoping mechanism 270, the telescopic end of the telescoping mechanism 270 and institute are arranged in the accommodating cavity
State the inner end center connection of tapered cylinders 250, and the telescopic direction of the telescoping mechanism 270 and the inserted terminal 210
Central axis is consistent.It is the axial position of controllable tapered cylinders 250 by telescoping mechanism 270, to control 230 He of half section body
240 radial position.
In order to realize the axial movement of inserted terminal 210, rifle process is jumped with control, the present invention is once improved:
A pair of of cavity 212 is axially and symmetrically offered on the inner end of the inserted terminal, specifically, the cavity 212 is right
Claim the left and right sides for being provided with 210 axis center of inserted terminal, and the axial institute for being provided with 221 outside of the first conduit of cavity 212
It states on inserted terminal 210, that is to say, that the length direction of the cavity 212 is parallel with the length direction of the through-hole 220, the chamber
The inner end in road 212 is opened wide and is connected to accommodating cavity, and a limit chamber 213, the limit is arranged in the outboard end of the cavity 212
Chamber 213 is accommodated in completely inside the inserted terminal, and the internal diameter of the limit chamber 213 is greater than the internal diameter of the cavity 212.
A pair of of branch's interlocking bar 272, branch's connection are symmetrically arranged at left and right sides of the telescopic end 271 of telescoping mechanism 270
Lever 272 is parallel with the telescopic end 271 and synchronizing moving, the distance between branch's interlocking bar 272 and telescopic end 271 and cavity
212 is consistent with the distance between 220 axis center of through-hole.
Branch's interlocking bar 272 end protrusion setting one linkage head 273, it is described linkage head 273 diameter between
Between the internal diameter of the limit chamber 213 and the internal diameter of the cavity 212, branch's interlocking bar 272 is flexible to be arranged in the chamber
In road 212, the 273 limitation activity of linkage head is in the limit chamber 213.
Meanwhile the end of the telescopic end 271 is outwardly protruded in 273 certain distance of linkage head, to guarantee telescopic end
271 end deep enough can be connect to half-cone cavity 232 with tapered cylinders 250.
To which when telescoping mechanism 270 pulls tapered cylinders 250 to move axially, due to linking, head 273 is limited in limit
In chamber 213, so that inserted terminal 210 can be driven to move axially in opening 280, point of inserted terminal 210 and conductive pin is realized
From rifle process is jumped in realization.Since half section body 230 and 240 is connect by guide pad 222 with inserted terminal 210, with grafting
The axial movement at end 210 drives the half section body 230 and 240 of two sides is synchronous to move axially.
The width of the limit chamber 213 is greater than the width of the linkage head 273, and when normal condition, linkage head 273, which contradicts, to exist
On the front end outer side wall of limit chamber 213, so that half section body is bonded with inserted terminal 210, when jumping rifle, telescoping mechanism 270 is controlled
Tapered cylinders 250 are pulled inwardly, in the linkage initial phase that moves axially inwardly of head 273,250 periphery of tapered cylinders with
Half-cone cavity 232 separate, under the driving of the first spring, half section body 230 and 240 synchronize move inward, half section body
It is separated with inner side wall of through hole, conductive spliced eye 260 is released, and is supported until linkage head 273 is moved to the inner sidewall of limit chamber 213
Touching, hereafter continues to move axially with telescopic end 271, drives the axial movement synchronous with inserted terminal 210 of tapered cylinders 250, band
The axial movement of dynamic half section body 230 and 240 realizes that inserted terminal 210 moves axially in opening 280, by inserted terminal 210 with lead
The tripping of electric mortiser needle quick separating, realizes and jumps rifle process.
Namely during jumping rifle, 2 movements are continuously realized, first element is linkage head 273 in limit chamber 213
Relative movement, in the process, only tapered cylinders 250 move axially so that tapered cylinders 250 and half section body 230 and
240 unclamp, and under the action of the first spring, driving half section body 230 and 240 is moved radially, so that half section body 230 and 240
It is unclamped with through-hole side wall, conductive spliced eye 260 is opened；Second movement is that linkage head 273 pulls inserted terminal and half section body
230 and 240 axial movements, meanwhile, telescopic end 271 is synchronous to pull tapered cylinders 250 to continue to move axially, during this, taper
Cylinder 250 just starts axial movement synchronous with inserted terminal, half section body 230 and 240, until inserted terminal 210 divides completely with contact pin
From rifle is jumped in realization.
For the position of inserted terminal 210 fixed in normal condition, to avoid during conductive grafting inserted terminal 210 send out
Raw movement, the present invention are once improved:
Setting one is wound with the iron core 291 of coil, the axis of the iron core 291 in the pipette tips shell in 280 outside of opening
A magnet 293 is arranged in inside side interval, sets up a third spring between 293 first end of magnet and the iron core 291
292, the magnet 293 by the coil controlled and radial expansion it is described opening 280 on；It is corresponding on the inserted terminal periphery wall
A latch well 211 is opened up, 293 second end of magnet is flexible to be arranged in the latch well 211.When normal condition, inserted terminal
The end of charging pipette tips 200 is arranged in 210 protrusions, and 293 second end of magnet is locked in the latch well 211, realizes inserted terminal
The fixation of 210 axial positions.When jumping rifle generation, control coil is powered, and attracts 293 compressed spring of magnet to move outward, magnetic
293 second end of iron is detached from the limitation of latch well 211, and the axial movement of inserted terminal 210 can be driven.
The course of work is as follows:
When normal condition, inserted terminal 210 protrudes the end that charging pipette tips 200 are arranged in, and 293 second end of magnet is locked in
In the latch well 211, the telescopic end of control telescoping mechanism 270 is maintained at forward position, and driving tapered cylinders 250 move axially
To forward position is leaned on, 250 lateral surface of tapered cylinders is contacted with 232 inner sidewall of half-cone cavity of the left and right sides, and with taper
The side axially forward of cylinder 250 is mobile, pushes the radially outward side of the half section body 230 and 240 of the left and right sides mobile, compression
First spring 223 is formed until the outer peripheral sidewall of half section body 230 and 240 of the left and right sides is bonded with 220 left and right sidewall of through-hole
Complete conductive through hole 260.At this point, linkage head 273 is moved to and contradicts with the lateral wall of limit chamber 213.To on-vehicle battery packet into
When row charging, charging pipette tips 200 are plugged on vehicle-mounted charge and are connected, conductive pin stretches to conductive with it in conductive through hole 260
Contact, with the increase of insertion depth, conductive pin compresses second spring 2212.Due to conductive pin and conductive through hole at this time
260 are in close-fitting conjunction state, realize the connection of battery pack and direct-current charging post, can then charge to battery pack, until
Charging complete.
When an error occurs, specifically, electric signal on real-time monitoring charging pile, overcurrent when being occurred by failure or
Overvoltage, triggers telescoping mechanism 270 and magnet 293 acts.When battery pack for a long time be in floating charge state, then calculate battery pack and fill
Time after the completion of electricity then triggers telescoping mechanism 270 and magnet 293 acts when the time being more than setting time.
Specifically, triggering magnet 293 moves outward, so that 293 second end of magnet is detached from the limitation of latch well 211, together
When triggering telescoping mechanism 270 telescopic end side is mobile backward, at this point, the half-cone of tapered cylinders 250 lateral surface and the left and right sides
232 inner sidewall quick separating of cavity, under the promotion of the first spring 223, the half section body 230 and 240 of two sides is synchronous inwardly
Mobile, the outer peripheral sidewall of half section body 230 and 240 of the left and right sides is separated with 220 left and right sidewall of through-hole, finally makes the left and right sides
Half section body 230 and 240 it is synchronous unclamped from 220 left and right sidewall of through-hole, that is, conductive through hole 260 is opened, and conduction is inserted
Needle and conductive through hole 260 unclamp.
Continuing to move axially with tapered cylinders 250, linkage head 273 is moved to be contradicted with the inner sidewall of limit chamber 213,
Hereafter continue to move axially with telescopic end 271, drive the axial movement synchronous with inserted terminal 210 of tapered cylinders 250, drive half
The axial movement of section body 230 and 240 realizes that inserted terminal 210 moves axially in opening 280, inserted terminal 210 is inserted with conduction
The tripping of needle quick separating, realizes and jumps rifle process.In the process, under the auxiliary pushing of second spring 2212, accelerate conductive insert
The ejection process of needle, that is, charging pipette tips 200 are ejected, and are realized and are jumped rifle, cut off the power, and damage equipment is avoided.After jumping rifle, control
Inserted terminal 210 processed resets, and half section body 230 and 240 is driven to reset, and holding is bonded with 220 left and right sidewall of through-hole, guarantees conductive logical
The integrality in hole 260, the first spring 223 are compressed again.In the process, tapered cylinders 250 reset, and linkage head 273 is mobile
It is contradicted to the inner sidewall of limit chamber 213.
From the above mentioned, the present invention is provided with mechanical insulation blocking mechanism between charging pile and vehicle-mounted charge connector,
Improve the safeguard protection performance to direct-current charging post；Meanwhile when overcurrent or over-voltage occur, it can be divided by gun stripping mechanism
From battery pack and charging pile, play the role of being effectively protected, improve the electricity consumption security function of charging pile, charges mechanical
Failure removal improves the reliability to equipment protection；Meanwhile charging pile anti-overflow, over-voltage and the performance of lightning protection are improved, it keeps away
Exempt from the damage of charging pile internal electronic component and on-vehicle battery packet；It further, can also after on-vehicle battery packet charging complete
Separate battery with charging pile by gun stripping mechanism, avoids battery pack from being in floating charge state for a long time, extend battery pack
Service life.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easy
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (10)
- The direct-current charging post of protection 1. a kind of charging interface is threaded off automatically characterized by comprisingCharge pile body, and input terminal is connect with three phase mains；Charge pipette tips, connect with the charging pile body output end, axial stretching setting one on the end of the charging pipette tips Cylindrical inserted terminal, the cylinder of the inserted terminal is central axial through opening up a through-hole, and the through-hole peripheral distribution has several the One conduit, the length direction of first conduit are axial consistent with the inserted terminal；Radial expansion is provided in the through-hole A pair of of half section body, and the half section body and the inserted terminal axial direction synchronizing moving, the outer peripheral sidewall of the half section body with The through-hole left inner side wall or right inner side wall matching, the peripheral distribution of the half section body has several corresponding with first conduit The second conduit, when the half section body outer peripheral sidewall is bonded with the through-hole left and right sidewall, first conduit and second Conduit docks the conductive spliced eye to be formed for grafting automobile charging contact pin interface；Wherein, half tapered recess, the internal diameter court of the half-cone cavity are opened up along axial direction on the cross section of the half section body Inside side is gradually increased, and stretch one tapered cylinders of setting in the half-cone cavity of the left and right sides, the tapered cylinders Diameter is gradually increased towards inner end, and the tapered cylinders outer surface is selectively bonded with the half-cone cavity；A pair of of cavity, the length direction of the cavity and the through-hole are axially and symmetrically offered on the inner end of the inserted terminal Length direction is parallel, and the inner end of the cavity is opened wide, and opens up a limit chamber inside the inserted terminal of the cavity outboard end, The internal diameter of the limit chamber is greater than the internal diameter of the cavity；The inner end of the tapered cylinders connects the flexible of a telescoping mechanism End, the telescopic end two sides are symmetrically arranged with a pair of of branch's interlocking bar, and branch's interlocking bar is parallel and synchronous with the telescopic end Mobile, the one linkage head of end protrusion setting of branch's interlocking bar, the diameter of the linkage head is in the limit chamber Between diameter and the internal diameter of the cavity, the linkage head limitation activity is in the limit chamber, and the width of the limit chamber is big In the width of the linkage head.
- The direct-current charging post of protection 2. charging interface as described in claim 1 is threaded off automatically, which is characterized in that the charging gun Head is internally provided with accommodating cavity, and the through-hole is connected to the accommodating cavity, and first conduit periphery is provided with conductive layer, The inserted terminal and half section body are insulator, and the inner end of first conduit extends in the accommodating cavity, described the External conductive connecting on the elongated end of one conduit, the conductive connecting is along through the charging pipette tips and the charging pile body Output end connection.
- The direct-current charging post of protection 3. charging interface as described in claim 1 is threaded off automatically, which is characterized in that in the through-hole Side wall is in globoidal structure, and the conductive spliced eye in the charging pipette tips is distributed along the through-hole outer peripheral sidewall, the half section The setting of body outer peripheral sidewall in the through-hole or so the matched globoidal structure of inner sidewall, the half section body outer peripheral sidewall with it is described Inner side wall of through hole is selectively bonded；First conduit and the second conduit semicircular in shape structure, and first conduit and second Conduit corresponds.
- The direct-current charging post of protection 4. charging interface as described in claim 1 is threaded off automatically, which is characterized in that the half section The cross-sectional direction of body is axial parallel with the inserted terminal, is provided between the cross section of the left and right sides half section body pre- Gap is stayed, the maximum distance of the preset clearance is no more than the diameter of first conduit.
- The direct-current charging post of protection 5. charging interface as described in claim 1 is threaded off automatically, which is characterized in that the left and right sides At least a guide pad is arranged in protrusion respectively on the through-hole side wall, and the guide pad is between two neighboring first conduit Through-hole side wall on；A pilot hole corresponding with the guide pad, the guiding are opened up in the outer peripheral sidewall of the half section body Block is plugged in the pilot hole；The length of the guide pad and the depth of pilot hole are not less than the radius of first conduit, and the half section body passes through institute It states pilot hole to be arranged on the guide pad, so that the half section body is radial scalable in the lateral direction.
- The direct-current charging post of protection 6. charging interface as claimed in claim 5 is threaded off automatically, which is characterized in that the guide pad The through-hole side wall of side protrudes above one first spring of setting, and first spring is folded in the through-hole side wall and half Between the body outer peripheral sidewall of face.
- The direct-current charging post of protection 7. charging interface as described in claim 1 is threaded off automatically, which is characterized in that first slot A limited block is arranged in road inner end, and a second spring, second bullet is arranged in first conduit on the outside of the limited block The one third of of length no more than first channel lengths of spring.
- The direct-current charging post of protection 8. charging interface as claimed in claim 2 is threaded off automatically, which is characterized in that the charging gun An opening being connected to the accommodating cavity is opened up on the end of head, the flexible setting of the inserted terminal is in said opening, described Opening extends certain distance in the axial direction, and several guide grooves are axially offered on the opening inner side wall, outside the inserted terminal Corresponding protrusion is provided with several guide protrusions on all side walls, and the guide protrusions are movably arranged in the guide groove.
- The direct-current charging post of protection 9. charging interface as claimed in claim 2 is threaded off automatically, which is characterized in that the half-cone Cavity inner end and the accommodating cavity penetrate through, and the telescoping mechanism is arranged in the accommodating cavity, and the telescoping mechanism is stretched The end at contracting end is connect with the inner end center of the tapered cylinders, the telescopic direction of the telescoping mechanism and the inserted terminal Central axis is consistent.
- The direct-current charging post of protection 10. charging interface as claimed in claim 9 is threaded off automatically, which is characterized in that the cavity It is symmetrically provided with the left and right sides of the inserted terminal axis center, the linkage head is correspondingly arranged at the left and right two of the telescopic end Side, branch's interlocking bar is flexible to be arranged in the cavity, and the end of the telescopic end outwardly protrudes first in the linkage Set a distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811117676.3A CN109177756B (en) | 2018-09-21 | 2018-09-21 | Direct-current charging pile with automatic tripping protection of charging interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811117676.3A CN109177756B (en) | 2018-09-21 | 2018-09-21 | Direct-current charging pile with automatic tripping protection of charging interface |
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| CN109177756A true CN109177756A (en) | 2019-01-11 |
| CN109177756B CN109177756B (en) | 2023-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811117676.3A Active CN109177756B (en) | 2018-09-21 | 2018-09-21 | Direct-current charging pile with automatic tripping protection of charging interface |
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Also Published As
| Publication number | Publication date |
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| CN109177756B (en) | 2023-10-03 |
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