CN109017356A - A kind of direct current energization self-locking new-energy automobile charging pile - Google Patents

Abstract

The present invention provides a kind of direct current energization self-locking new-energy automobile charging pile, it includes pile body, the charging gun being set to outside pile body, it is mating to be set in new-energy automobile for docking the docking facilities of charging gun, the self-locking device being set between charging gun and docking facilities, self-locking device includes Electromagnetic Control mechanism, retaining mechanism described in electromagnetism trigger mechanism and retaining mechanism is set in charging gun and can establish connection with docking facilities, electromagnetism trigger mechanism is arranged to changeable triggering state and non-triggering state, Electromagnetic Control mechanism is for controlling switching of the electromagnetism trigger mechanism between triggering state and non-triggering state, retaining mechanism is for charging gun to be lock onto inside docking facilities, electromagnetism trigger mechanism switches to triggering state retaining mechanism by non-triggering state and completes for charging gun to lock onto docking facilities, electromagnetism touching Hair mechanism is switched to the latch-release between non-triggering state retaining mechanism realization charging gun, docking facilities by triggering state.

Description

A kind of direct current energization self-locking new-energy automobile charging pile

Technical field

The present invention relates to a kind of new-energy automobile charging piles, and in particular to a kind of direct current energization self-locking new-energy automobile fills Electric stake.

Background technique

With the fast development of new-energy automobile, auxiliary products new-energy automobile charging pile will also be installed on public building, In residential area parking lot and charging station, when new-energy automobile charging pile charges to new-energy automobile, charging gun is inserted Enter to the mating charging jacks being set in automobile, electric energy is delivered to the electric power storage in new-energy automobile by charging gun by charging pile Case, currently, existing new-energy automobile charging pile includes pile body, the charging gun being electrically connected with pile body and is set to vapour in the market The docking facilities for charging gun grafting in interior portion when charging, charging gun insertion docking facilities can be charged, charged Rifle and docking facilities easily cause to connect between the two to loosen in swapping process repeatedly, easily cause poor contact, damage Automotive interior electronic component and charging gun is easily fallen off under external force, for this purpose, designing a kind of clever structure, use It is convenient, prevent the direct current energization self-locking new-energy automobile charging pile fallen off between charging gun and docking facilities from seeming to pass It is important.

Summary of the invention

To solve the deficiencies in the prior art, the object of the present invention is to provide a kind of clever structures, easy to use, prevent from charging The direct current energization self-locking new-energy automobile charging pile fallen off between rifle and docking facilities.

To realize the above-mentioned technical purpose, the technical solution adopted in the present invention is as follows.

A kind of direct current energization self-locking new-energy automobile charging pile comprising be vertically arranged to the pile body on ground, be set to Charging gun, mating be set to outside pile body are used to dock the docking facilities of charging gun, are set to charging gun in new-energy automobile Self-locking device between docking facilities and for both lock and being set to is used between pile body and charging gun will be electric Can be by the power supply line of pile body delivered inside to charging gun, the power supply line is by cathode power supply route, negative power supply route, safety Ground wire route, feedback line and control five part of power circuit are constituted, and what the charging gun was arranged to mutually to switch inserts Enter state and extraction state.

The pile body includes being set to the control device inside pile body, being set to user-friendly touching outside pile body Control display screen is set to pile body bottom and buried ground line, and control device and touching display screen constitute an interactive system And for the Self-Service of user and the management service of charging station, the charging gun includes the rifle for accessing power supply line Body and for by the pipette tips component of power supply line power output, the body of a gun matches with pipette tips component and the two is fixedly connected, described The body of a gun be arranged to the bottom of hollow structure and the body of a gun and be provided with wiring hole for power supply line access, wiring hole and the body of a gun Internal switching, the pipette tips component and the body of a gun are connected, and the pipette tips component includes both ends open in horizontally disposed outer cylinder Body, outer barrel are provided with away from the place open at one end of charging gun insertion direction of travel with body of a gun connection, other end opening coaxial The erecting bed of arrangement, the medium position of erecting bed coaxially offer avoid holes, and tube body is coaxially arranged in the outer barrel, pipe One end of body extends to the outside of erecting bed by avoid holes and end position is provided with noseplate, the other end extends in the body of a gun Portion, the described noseplate coaxial arrangement is in open at one end place of the outer barrel along charging gun insertion direction of travel and noseplate and outer cylinder Body matches, and the jack to match with docking facilities is provided on the noseplate, and the jack includes positive jack, bears Pole jack, ground wire jack and feedback line jack are provided with output contact in the jack, and the output contact includes Anode output contact, cathode output contact, ground wire output contact and feedback line export contact, anode output contact, cathode Export contact, ground wire output contact and feedback line output contact and positive jack, cathode jack, ground wire jack and feedback Line terminal corresponds arrangement, and the pipette tips component further includes output electric wire, described output electric wire one end and access rifle Power supply line in body connects one to one, the other end sequentially passes through tube body, jack and with output contact be connected, the output Electric wire includes anode output electric wire, cathode output electric wire, safety wire and feedback output electric wire, anode output electric wire, cathode Export electric wire, safety wire and feedback output electric wire and anode output contact, cathode output contact, ground wire output contact and Feedback line output contact connects one to one.

The docking facilities include the column butt muff to match with outer barrel, and one end of butt muff is set to newly The outer surface of energy automobile and the end position are provided with installation base, the fixed company in the outer surface of installation base and new-energy automobile It connects, the other end of butt muff is provided with butt plate, and input contact is provided on the butt plate, and input contact one end is located at The inside of butt muff, the other end are electrically connected with the battery of new-energy automobile, and the input contact includes anode input touching Head, cathode input contact, ground wire output contact and feedback line input contact, anode input contact, cathode input contact, Line inputs contact and feedback line input contact and positive jack, cathode jack, ground wire jack and feedback line jack one One corresponding arrangement, when charging gun is inserted into docking facilities, anode output contact, cathode output contact, ground wire output contact and anti- It presents circuit output contact and anode input contact, cathode input contact, ground wire input contact and feedback line inputs contact one One corresponding contradicts is connected.

The self-locking device includes Electromagnetic Control mechanism, electromagnetism trigger mechanism and retaining mechanism, the electromagnetism Control mechanism, electromagnetism trigger mechanism are set to inside the body of a gun, the retaining mechanism be set in charging gun and can with dock Device establishes connection, and the electromagnetism trigger mechanism is arranged to the triggering state that can mutually switch and non-triggering state, described Electromagnetic Control mechanism is for controlling handover process of the electromagnetism trigger mechanism between triggering state and non-triggering state, the lock For charging gun to be lock onto inside docking facilities, electromagnetism trigger mechanism switches to triggering state by non-triggering state and locks for tight mechanism Charging gun is lock onto docking facilities by tight mechanism completion, and electromagnetism trigger mechanism switches to non-triggering state by triggering state and locks Mechanism realizes the latch-release between charging gun, docking facilities.

The electromagnetism trigger mechanism includes that anode controls route, cathode control route, trigger board and fixed ring, described Fixed ring coaxial arrangement in outer barrel away from charging gun insertion direction of travel one end, the fixed ring deviate from outer barrel one End face setting cored two, there are six and along circumferencial direction array arrangement, the iron cores where fixed ring for the setting of iron core two Two external helicoid solderless wrapped connection is provided with triggering electric wire, iron parallel with one another, described between the triggering electric wire outside six iron cores two Core two is provided with circular ring shape triggering sucker away from fixed ring one end and triggers that sucker is coaxially arranged with fixed ring, the triggering Plate is horizontally placed on the upper surface of armature one, and the length direction of the length direction and armature one of trigger board is arranged vertically, trigger board The lower end surface of the spacing arrangement corresponding with Electromagnetic Control mechanism of one end along its length and the end is provided with contact one, triggering The other end of plate along its length is provided with contact with the lower end surface of the corresponding spacing of Electromagnetic Control mechanism arrangement and the end Three, the anode control route is arranged to three sections and respectively input section, changeover portion and deferent segment, the anode control line One end of road input section is connect with control power circuit anode and the other end by conduit one extends to the top of conduit one simultaneously And the end position of elongated end is provided with contact two, the both ends of the anode control line transition section are connected to contact one and contact Three, one end of the anode control route deferent segment is connect with one end of triggering electric wire and the other end is extended to by conduit two The top of guide pipe two and the end position of elongated end are provided with contact four, described cathode control route one end and control power supply Route cathode connects and the other end is connect with the other end of triggering electric wire.

The retaining mechanism includes being sheathed on inner cylinder outside tube body and inner cylinder and noseplate spacing are arranged, inner cylinder Body and tube body match and constitute slide-and-guide cooperation along the axis direction of tube body, and the outside of the inner cylinder is away from charging One end of rifle insertion direction of travel is provided with armature two, and armature two is arranged to circular ring shape and matches with triggering sucker, described The outer, coaxial of inner cylinder is provided with fixes sleeve and fixes sleeve is fixedly installed on the inner wall of outer barrel, the inner cylinder Periphery on be coaxially fixedly installed positive stop lug boss and positive stop lug boss between armature two and fixes sleeve, described is interior The outside of cylinder is provided with reset spring two, and one end and the positive stop lug boss of reset spring two contradict, the other end and solid liner support It touches and the elastic force of reset spring two is directed toward positive stop lug boss by solid liner always, the outside of the inner cylinder is inserted along charging gun The one end for entering direction of travel is provided with magnet one, and the magnet one is arranged to circular ring shape and, institute coaxially arranged with inner cylinder The retaining mechanism stated further includes the rectangle lock opening being set on outer barrel periphery, the length direction and outer cylinder of rectangular aperture The axis direction of body is parallel, and matched latch segment is provided in the lock opening, and latch segment is hinged with lock opening It connects and the width direction for being axially parallel to lock opening of articulated shaft, the articulated shaft deviates from the traveling of charging gun insertion Direction arrangement, the latch segment suspension are provided with outwardly projecting lock projection at end, and the latch segment is inserted into along charging gun Direction of travel successively embed and be provided with magnet two and magnet three, magnet two and magnet three are set to inside the close outer barrel of locking An end face, magnet two and the end face close to each other of magnet one are opposite pole, magnet three and the end face close to each other of magnet one For like pole, the non-triggering state of electromagnetism trigger mechanism, magnet two corresponds to each other arrangement with magnet one, and magnet one attracts magnet two And promote latch segment to close inside lock opening in the rotation of itself articulated shaft, electromagnetism trigger mechanism triggering state, magnet three Arrangement corresponding with magnet one, magnet one repel magnet three and latch segment are promoted to turn to lock opening around itself articulated shaft Outside, the retaining mechanism further include the annular locking slot being coaxially disposed inside butt muff, the locking slot and lock Tight protrusion matches.

The beneficial effect of the present invention compared with prior art is clever structure, easy to use, during DC charging around The power transmission line being connected on iron core will generate magnetism, be locked charging gun in such a way that electromagnetism is attracted by the magnetism and to tipping The interface set.

Detailed description of the invention

In order to illustrate the embodiments of the present invention more clearly, attached drawing needed in the embodiment will be done simply below It introduces, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ordinary skill people For member, without creative efforts, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is partial structural diagram of the invention.

Fig. 2 is the structural schematic diagram that charging gun extracts state.

Fig. 3 is the structural schematic diagram of charging gun insert state.

Fig. 4 is the structural schematic diagram of pile body of the present invention.

Fig. 5 is the structural schematic diagram that charging gun is separated with docking facilities.

Fig. 6 is the structural schematic diagram of charging gun and docking facilities cooperation.

Fig. 7 is charging gun schematic diagram of internal structure.

Fig. 8 is the structural schematic diagram of pipette tips component.

Fig. 9 is the partial structural diagram of pipette tips component.

Figure 10 is the partial structural diagram of pipette tips component.

Figure 11 is the structural schematic diagram of docking facilities.

Figure 12 is the schematic diagram of internal structure of docking facilities.

Figure 13 is the structural schematic diagram of self-locking device.

Figure 14 is the connection figure of control mechanism and trigger mechanism.

Figure 15 is the connection figure of control mechanism and trigger mechanism.

Figure 16 is the cooperation figure of the non-triggering state of electromagnetism trigger mechanism and retaining mechanism.

Figure 17 is the schematic diagram of internal structure of retaining mechanism.

Figure 18 is the partial structural diagram of the non-triggering state retaining mechanism of electromagnetism trigger mechanism.

Figure 19 is the partial structural diagram of electromagnetism trigger mechanism triggering state retaining mechanism.

Figure 20 is the partial structural diagram of retaining mechanism.

Figure 21 is the partial structural diagram of retaining mechanism.

Figure 22 is cross-sectional view when retaining mechanism is locked.

It is denoted as in figure:

100, pile body；110, touching display screen；120, charging gun hangs area；

200, power supply line；

300, charging gun；310, the body of a gun；311, wiring hole；320, pipette tips component；321, electric wire is exported；322, outer barrel；323, Erecting bed；324, tube body；325, noseplate；326, jack；327, contact is exported；330, lever；

400, docking facilities；401, butt muff；402, installation base；403, butt plate；404, contact is inputted；

500, self-locking device；510, Electromagnetic Control mechanism；511, mounting base；512, support column；513, support rod；514, it holds in the mouth Iron one；515, reset spring one；516, sucker is controlled；517, conduit one；518, conduit two；520, electromagnetism trigger mechanism； 521, anode control route；522, cathode controls route；523, trigger board；524a, contact one；524b, contact two；525a, touching Point three；525b, contact four；526, fixed ring；527, sucker is triggered；528, iron core is triggered；530, retaining mechanism；531, inner cylinder Body；532, armature two；533, positive stop lug boss；534, fixes sleeve；535, reset spring two；536, magnet one；537, locking is opened Mouthful；538, latch segment；538a, lock projection；538b, magnet two；538c, magnet three；539, locking slot.

Specific embodiment

With reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole embodiments.Based on this hair Embodiment in bright, those of ordinary skill in the art without making creative work, every other reality obtained Example is applied, the scope of the present invention is belonged to.

Referring to Fig. 1-2 2, a kind of direct current energization self-locking new-energy automobile charging pile comprising be vertically arranged to ground Pile body 100, the charging gun 300 being set to outside pile body 100, mating be set to are used to dock charging gun 300 in new-energy automobile Docking facilities 400, be set between charging gun 300 and docking facilities 400 and the self-locking device 500 for lock the two And it is set between pile body 100 and charging gun 300 for the power supply by electric energy by 100 delivered inside of pile body to charging gun 300 Line 200, the power supply line 200 is by cathode power supply route, negative power supply route, safety line route, feedback line and control Five part of power circuit processed is constituted, and the charging gun 300 is arranged to the insert state that can mutually switch and extraction state, is inserted into State is that charging gun 300 is docked with the completion of docking facilities 400 and the two is firmly locked by self-locking device 500, at this point, charging Rifle 300 charges to new-energy automobile；Extraction state be complete charging after charging gun 300 and docking facilities 400 disengagement and it is self-locking Tight device 500 automatically terminates the locking to the two, at this point, charging gun 300 stops charging to new-energy automobile.

Fig. 1-4 is participated in, the pile body 100 includes being set to control device inside pile body 100, being set to pile body 100 External user-friendly touching display screen 110 is set to 100 bottom of pile body and buried ground line, control device with Touching display screen 110 constitutes an interactive system and is used for the Self-Service of user and the management service of charging station, in order to Placement when leaving unused convenient for charging gun 300, it is preferred that be additionally provided with charging gun outside the pile body 100 and hang area 120, user In use, operation touching display screen 110 selects appropriate charge mode and self-service completion is paid the bill, it is aobvious by touch-control after payment Display screen 110 makes the control device inside pile body 100 power charging gun 300, and user hangs filling for area 120 for charging gun is placed in Electric rifle 300 is removed, and charging gun 300 is inserted into docking facilities 400 and completes to dock, in the process, self-locking device 500 Charging gun 300 is lock onto inside docking facilities 400 by automatic trigger, and charging gun 300 charges to new-energy automobile, has been charged Cheng Hou, user can check charging situation and the as needed self-service printing for completing invoice, self-locking by touching display screen 110 Device 500 automatically terminates the locking to charging gun 300, finally extracts charging gun 300 and fills in docking facilities 400 and being placed in Electric rifle hangs the operating with so as to next bit user of area 120.

Referring to Fig. 6-10, the charging gun 300 includes the body of a gun 310 for accessing power supply line 200 and for will be electric The pipette tips component 320 of 200 power output of source line, the body of a gun 310 matches with pipette tips component 320 and the two is fixedly connected.

Specifically, the body of a gun 310 is arranged to hollow structure and the bottom of the body of a gun 310 is provided with for power supply line The wiring hole 311 of 200 accesses, the internal switching of wiring hole 311 and the body of a gun 310, the pipette tips component 320 connect with the body of a gun 310 Logical, the pipette tips component 320 includes that both ends open is in horizontally disposed outer barrel 322, and outer barrel 322 deviates from charging gun 300 The place open at one end and the body of a gun 310 for being inserted into direction of travel connect, other end opening is provided with coaxially arranged erecting bed 323, The medium position of erecting bed 323 coaxially offers avoid holes, is coaxially arranged with tube body 324, tube body in the outer barrel 322 324 one end extends to the outside of erecting bed 323 by avoid holes and end position is provided with noseplate 325, the other end extends to One end of direction of travel is inserted into the inside of the body of a gun 310, the coaxial arrangement of noseplate 325 in outer barrel 322 along charging gun 300 Opening and noseplate 325 matches with outer barrel 322, is provided on the noseplate 325 and matches with docking facilities 400 Jack 326, the jack 326 includes positive jack, cathode jack, ground wire jack and feedback line jack, described Output contact 327 is provided in jack 326, the output contact 327 exports contact including anode, cathode exports contact, Line exports contact and feedback line exports contact, anode output contact, cathode output contact, ground wire output contact and feedback Circuit output contact and positive jack, cathode jack, ground wire jack and feedback line jack are corresponded and are arranged, the rifle Head component 320 further includes output electric wire 321, the power supply line 200 1 in described output 321 one end of electric wire and the access body of a gun 310 One is correspondingly connected with, the other end sequentially passes through tube body 324, jack 326 and with output contact 317 be connected.

More specifically, the output electric wire 321 include anode output electric wire, cathode output electric wire, safety wire with And feedback output electric wire, anode output electric wire, cathode output electric wire, safety wire and feedback output electric wire and anode output are touched Head, cathode output contact, ground wire output contact and feedback line output contact connect one to one, and charging gun 300 is by extracting State switches to insert state, and outer barrel 322 is inserted into docking facilities 400 and promotes power supply line 200 and new-energy automobile Closed loop is constituted, electrical energy transportation to output electric wire 321 is exported electric wire 321 for electric energy by output contact by power supply line 200 327 are delivered to docking facilities 400, and docking facilities 400 save electrical energy transportation in the battery of new-energy automobile.

Referring to Fig. 6, as the scheme that the present invention more optimizes, charging gun 300 needs inserting repeatedly in use Enter and mutually switch between state and extraction state, the manipulation for the ease of user to charging gun 300, the body of a gun 310 deviates from 320 one end of pipette tips component is provided with lever 330 and 330 insulation arrangement of lever, and in use, when charging, user is held It handles lever 330 pipette tips component 320 is inserted into docking facilities 400, after charging complete, user holds with a hand lever 330 will Pipette tips component 320 is extracted in docking facilities 400 and pipette tips component 320 is inserted into charging gun hangs area 120, and we are taken Case is not only simple in structure, and keeps user more convenient to the operation of charging gun 300.

Referring to Figure 11, Figure 12, the docking facilities 400 include the column butt muff to match with outer barrel 322 401, one end of butt muff 401 is set to the outer surface of new-energy automobile and the end position is provided with installation base 402, peace Dress boss 420 is fixedly connected with the outer surface of new-energy automobile, and the other end of butt muff 401 is provided with butt plate 403, described Butt plate 403 on be provided with input contact 404, input 404 one end of contact be located at the inside of butt muff 401, the other end and The battery of new-energy automobile is electrically connected.

Specifically, the input contact 404 include anode input contact, cathode input contact, ground wire output contact with And feedback line inputs contact, anode input contact, cathode input contact, ground wire input contact and feedback line input contact It corresponds and arranges with positive jack, cathode jack, ground wire jack and feedback line jack, charging gun 300 is inserted into tipping When setting 400, anode output contact, cathode output contact, ground wire output contact and feedback line output contact and anode are inputted Contact, cathode input contact, ground wire input contact and feedback line input contact are corresponded to contradict and be connected, power supply line 200 Electric energy docking facilities 400 are delivered to by charging gun 300, docking facilities 400 save electrical energy transportation in the storage of new-energy automobile In battery.

Referring to Figure 10, Figure 11, the scheme more perfect as the present invention, output contact 327 passes through phase with input contact 404 It mutually contradicts and charging gun 300 and docking facilities 400 is promoted mutually to connect, in order to ensure output contact 327 and input contact 404 are good Contact, the output contact 327 is arranged to column structure and its axis direction is parallel to the axis direction of outer barrel 322, institute The input contact 404 stated is arranged to hollow tube structure and its axis direction is parallel to the axis direction of butt muff 401, institute The output contact 327 stated matches with input contact 404, and in charging process, charging gun 300 is inserted into docking facilities 400, jack The outside of 326 insertion input contacts 404, at the same time, columnar output contact 327 is inserted into cylinder-shaped input contact 404 The inner headed face of inside, the periphery and input contact 404 that export contact 327 closely contradicts connection, takes this programme, not only structure Simply, easy to use, and increase output contact 327 and input the contact area between contact 404, it is ensured that output contact Connection between 327 and input contact 404 is connected, and is increased charging gun 300 and is docked the reliability connected with docking facilities 400.

Referring to Figure 13-22, the self-locking device 500 include Electromagnetic Control mechanism 510, electromagnetism trigger mechanism 520 with And retaining mechanism 530, the Electromagnetic Control mechanism 510, electromagnetism trigger mechanism 520 are set to inside the body of a gun 310, the lock Tight mechanism 530 is set in charging gun 300 and can establish connection with docking facilities 400, and the electromagnetism trigger mechanism 520 is set It is set to the triggering state and non-triggering state that can mutually switch, the Electromagnetic Control mechanism 510 is for controlling electromagnetism triggering machine Handover process of the structure 520 between triggering state and non-triggering state, the retaining mechanism 530 is for locking charging gun 300 Tightly inside docking facilities 400, electromagnetism trigger mechanism 520 switches to triggering state retaining mechanism 530 by non-triggering state and completes Charging gun 300 is lock onto docking facilities 400, electromagnetism trigger mechanism 520 switches to non-triggering state by triggering state and locks Mechanism 530 realizes the latch-release between charging gun 300, docking facilities 400.

Referring to Figure 13-15, the Electromagnetic Control mechanism 510 includes the rectangle installation bottom being fixed on 310 inner wall of the body of a gun Plate 511, the direction of travel that the mounting base 511 is horizontally disposed and its length direction is inserted into perpendicular to charging gun 300, institute 511 upper surface of mounting base stated is vertically arranged with the support column 512 of hollow arrangement, and there are two the settings of support column 512 and difference Positioned at the one end of mounting base 511 along its length, support rod 513, the support rod are provided in the support column 512 513, which match with support column 512 and constitute slide-and-guide along the vertical direction, cooperates, between two support rods, 513 top It being provided with and is firmly connected with it and horizontally disposed armature 1, the outer cover of the support rod 513 is equipped with reset spring 1, The elastic force of one 515 one end of reset spring and the conflict of support column 512, the other end and the conflict of armature 1 and reset spring 1 Always armature 1 is directed toward by support column 512, the medium position of 511 upper surface of mounting base is vertically arranged with column iron Core one, described anode output electric wire/cathode output electric wire spiral are wire-wrapped on the periphery of iron core one, the iron core one it is upper End face is provided with control sucker 516, and 511 upper surface of mounting base is vertically arranged with conduit 1 and conduit two 518, conduit 1 and conduit 2 518 are located at the one end of mounting base 511 in the width direction.

Referring to Figure 15, the electromagnetism trigger mechanism 520 includes anode control route 521, cathode control route 522, touching Plate 523 and fixed ring 526 are sent out, the coaxial arrangement of fixed ring 526 is advanced in outer barrel 322 away from the insertion of charging gun 300 The one end in direction, the fixed ring 526 are provided with iron core 2 528 away from 322 1 end face of outer barrel, and iron core 2 528 is provided with Six and arrange that the external helicoid solderless wrapped connection of the iron core 2 528 is provided with touching along 526 place circumferencial direction array of fixed ring Generating line, parallel with one another between the triggering electric wire outside six iron cores 2 528, the iron core 2 528 deviates from fixed ring 526 1 End is provided with circular ring shape triggering sucker 527 and triggers sucker 527 and fixed ring 526 is coaxially arranged, 523 water of trigger board The flat upper surface for being set to armature 1, the length direction of the length direction and armature 1 of trigger board 523 are arranged vertically, and are touched The lower end surface of the one end of hair plate 523 along its length spacing arrangement corresponding with conduit 1 and the end is provided with contact The lower end of one 524a, the other end of trigger board 523 along its length and the corresponding spacing of conduit 2 518 arrangement and the end Face is provided with three 525a of contact.

Specifically, referring to Figure 15, the upper surface of the trigger board 523 be provided with push it to move downward push structure Part, the component that pushes are provided with two groups and are symmetrically arranged along the anti-width direction of trigger board 523, and described pushes structure Part includes the axial vertical arrangement of the guide post being fixedly installed on armature 1 and guide post, the coaxial arrangement of guide post top position Have a limiting stand, the guide post outer cover is equipped with holddown spring, described holddown spring one end and limiting stand contradict, the other end with Trigger board 523 contradicts and the elastic force of holddown spring is directed toward trigger board 523 by limiting stand always, during the work time, compresses bullet Spring pushes trigger board 523 to fit closely with armature 1 always.

Specifically, the anode control route 521 is arranged to three sections and respectively input section, changeover portion and output One end of section, anode control 521 input section of route is connect with control power circuit anode and the other end is by conduit 1 The end position at the top and elongated end that extend to conduit 1 is provided with two 524b of contact, the anode control route The both ends of 521 changeover portions be connected to one 524a of contact and three 525a of contact, anode control 521 deferent segment of route one end with One end connection of triggering electric wire and the other end are extended to top and the elongated end of guide pipe 2 518 by conduit 2 518 End position is provided with four 525b of contact, and described cathode control 522 one end of route is connect and separately with control power circuit cathode One end is connect with the other end of triggering electric wire.

Charging gun 300 charges to new-energy automobile after being inserted into docking facilities 400, since the offer of power supply line 200 is Direct current is powered, and the load in direct current energization charging process is the battery inside new-energy automobile, therefore, when charging gun 300 with When docking facilities 400 complete docking, the electric current in 200 cathode power supply route of power supply line/negative power supply route is by zero ampere It is gradually increased to a certain constant value and maintains constant value fluctuation up and down, the battery electricity inside new-energy automobile When can be full of, the electric current in power supply line 200 in cathode power supply route/negative power supply route is gradually smaller and is intended to value of zero Ampere, anode output electric wire/cathode export the current values in electric wire with cathode power supply route/negative power supply route electric current number Value is synchronous to be changed, and the current values variation characteristic in positive electrical wire/input negative electrical wire is inputted in charging process, is Electromagnetic Control Mechanism 510 controls electromagnetism trigger mechanism 520 and triggers process offer basis.

Being embodied in during the work time with electromagnetism trigger mechanism 520 of Electromagnetic Control mechanism 510, when charging gun 300 When being inserted into docking facilities 400, the electric current in anode output electric wire/cathode output electric wire is gradually increased by zero ampere to a certain constant Numerical value, in the process, spiral, which is wire-wrapped in the anode output electric wire outside iron core one/cathode output electric wire, will generate electromagnetic field, The electromagnetic field magnetizes iron core one and control sucker 516, and the control sucker 516 after magnetization has magnetic force and attracts armature one 514 move close to control sucker 516, and armature 1 overcomes the elastic force effect of reset spring 1 to move downward, reset spring One 515 gradually reduce and elastic potential energy is gradually increased, support rod 513 along the vertical direction towards the internal slide of support column 512, Moving downward for armature 1 will drive trigger board 523 to synchronize and move downward, and moving downward for trigger board 523 will promote contact One 524a contacts connection with two 524b of contact, three 525a of contact contacts connection with four 525b of contact, and anode controls the defeated of route 521 Enter section, changeover portion and deferent segment and constitute a completion route, at this point, anode control route 521, cathode control route 522 will It controls power circuit and triggering electric wire constitutes closed loop, spiral is wire-wrapped in the triggering electric wire outside six iron cores 2 528 Electromagnetic field will be generated simultaneously, which magnetizes iron core 2 528 and triggering sucker 527, and the triggering sucker 527 after magnetization has Magnetic force and the magnetic force by triggering sucker 527, which are realized, controls the locking of retaining mechanism 530, and at the same time, electromagnetism triggers machine Structure 520 switches to triggering state by non-triggering state；When new-energy automobile battery electric energy is full of, anode output electric wire/negative Electric current in pole output electric wire drops to the ampere that goes to zero by a certain constant value, and in the process, spiral is wire-wrapped in iron core one The electromagnetic field that external anode output electric wire/cathode output electric wire generates will fade away, iron core one and control sucker 516 Magnetization will fade away, and the magnetic force of control sucker 516 is gradually reduced, when control sucker 516 is less than the attraction of armature 1 When the elastic force of reset spring 1, the elastic potential energy of reset spring 1 discharges, and reset spring 1 will push armature one 514 move straight up, and support rod 513 is along the vertical direction towards the slide outside of support column 512, the upward fortune of armature 1 Dynamic synchronize drive trigger board 523 moves upwards, and moving upwards for trigger board 523 will promote one 524a of contact and two 524b of contact Separation disconnects, three 525a of contact separates disconnections with four 525b of contact, the positive input section for controlling route 521, changeover portion and defeated Section mutually disconnects reset out, at this point, anode control route 521, cathode control route 522 will control power circuit and triggering electric wire The closed loop of composition disconnects, and the electromagnetic field that triggering electric wire generates will fade away, iron core 2 528 and triggering sucker 527 magnetization will fade away, triggering sucker 527 magnetic force be gradually reduced disappearance, at the same time, electromagnetism trigger mechanism 520 by Triggering state switches to non-triggering state.

Referring to Figure 16-22, the retaining mechanism 530 includes inner cylinder 531 and the inner cylinder being sheathed on outside tube body 324 531 arrange with 325 spacing of noseplate, and inner cylinder 531 and tube body 324 match and constitute cunning along the axis direction of tube body 324 The outside of action-oriented cooperation, the inner cylinder 531 is provided with armature two away from one end that charging gun 300 is inserted into direction of travel 532, armature 2 532 is arranged to circular ring shape and matches with triggering sucker 527, the outer, coaxial setting of the inner cylinder 531 There is fixes sleeve 534 and fixes sleeve 534 is fixedly installed on the inner wall of outer barrel 322, the periphery of the inner cylinder 531 On be coaxially fixedly installed positive stop lug boss 533 and positive stop lug boss 533 between armature 2 532 and fixes sleeve 534, it is described The outside of inner cylinder 531 be provided with reset spring 2 535, one end of reset spring 2 535 and positive stop lug boss 533 contradict, are another One end and solid liner 534 contradict and the elastic force of reset spring 2 535 is directed toward positive stop lug boss 533 by solid liner 534 always, The outside of the inner cylinder 531 is provided with magnet 1, the magnet along one end that charging gun 300 is inserted into direction of travel One 536 are arranged to circular ring shape and coaxially arranged with inner cylinder 531, and the retaining mechanism 530 further includes being set to outer barrel The length direction of rectangle lock opening 537 on 322 peripheries, rectangular aperture 537 is parallel with the axis direction of outer barrel 322, Matched latch segment 538 is provided in the lock opening 537, latch segment 538 and lock opening 537 are articulated and connected simultaneously And the width direction for being axially parallel to lock opening 537 of articulated shaft, the articulated shaft deviate from the traveling that charging gun 300 is inserted into Direction arrangement, the latch segment 538 suspend and are provided with outwardly projecting lock projection 538a, 538 edge of latch segment at end The direction of travel that charging gun 300 is inserted into successively embeds and is provided with two 538b of magnet and three 538c of magnet, two 538b of magnet and magnet Three 538c are set to the end face locked inside outer barrel 322, two 538b of magnet and the end face close to each other of magnet 1 It is like pole for opposite pole, three 538c of magnet and the end face close to each other of magnet 1, electromagnetism trigger mechanism 520 does not touch Hair-like state, two 538b of magnet correspond to each other arrangement with magnet 1, and magnet 1 attracts two 538b of magnet and promotes to lock Block 538 closes inside lock opening 537 in the rotation of itself articulated shaft, 520 triggering state of electromagnetism trigger mechanism, three 538c of magnet Arrangement corresponding with magnet 1, magnet 1 repel three 538c of magnet and latch segment 538 are promoted to turn around itself articulated shaft It moves to the outside of lock opening 537, in order to enable the latch segment turned to outside lock opening 537 538 to lock charging gun 300 Tightly inside docking facilities 400, the retaining mechanism 530 further includes the ring lock being coaxially disposed inside butt muff 401 Tight slot 539, the locking slot 539 match with lock projection 538a.

In charging initiating process, Electromagnetic Control mechanism 510 controls electromagnetism trigger mechanism 520 and is switched to by non-triggering state Triggering state, triggering sucker 527 generates magnetism and the direction for attracting armature 2 532 to advance along the insertion of charging gun 300 moves, and holds in the mouth The elastic force that the movement of iron 2 532 will drive inner cylinder 531 to overcome reset spring 2 535 is acted on along tube body 324 towards charging gun The direction sliding that 300 insertions are advanced, reset spring 2 535 gradually reduces and elastic potential energy is gradually increased, the fortune of inner cylinder 531 Dynamic to move synchronously with moving magnet 1 along the direction that the insertion of charging gun 300 is advanced, magnet 1 is opposite with three 538c of magnet It answers, magnet 1 repels three 538c of magnet and latch segment 538 is promoted to turn to the outer of lock opening 537 around itself articulated shaft Charging gun 300 is locked in portion, the inside that the outer Zhang Yundong of latch segment 538 will drive lock projection 538a to be caught in locking slot 539, realization Tightly inside docking facilities 400, when new-energy automobile accumulator electric-quantity is full of, Electromagnetic Control mechanism 510 controls electromagnetism triggering Mechanism 520 switches to non-triggering state by triggering state, and triggering 527 magnetism of sucker will fade away and release to armature two 532 attraction, at this point, the elastic potential energy of reset spring 2 535 discharges, the promotion positive stop lug boss 533 of reset spring 2 535, which deviates from, to be filled The direction movement that the electric insertion of rifle 300 is advanced, drives 531 resetting movement of inner cylinder, simultaneously, armature 2 532 and magnet 1 Also resetting movement will be done, magnet 1 corresponding with two 538b of magnet will arrange that magnet 1 attracts two 538b of magnet after resetting And latch segment 538 is promoted to close inside lock opening 537 in the rotation of itself articulated shaft, lock projection 538a and locking slot 539 mutually disengage and cancel the locking to charging gun 300, and user is by the charging gun 300 after completing charging by docking facilities 400 Middle extraction rest area charging gun hangs area 120.

Referring to Figure 16, as the scheme that the present invention more optimizes, in order to lock onto charging gun 300 in docking facilities 400 More reliable, there are six the settings of lock opening 537 and six lock openings 537 are along 322 periphery institute of outer barrel Circumferencial direction array arrangement, take this programme, be not only simple in structure, be easy to use, and charging gun 300 can be made to fill It is firm in electric process to lock onto docking facilities 400.

The self-locking clamping method of direct current energization new-energy automobile charging pile, step are:

(1) charging gun is inserted into the locking stage:

S1: the charging gun 300 that direct current is powered is inserted into docking facilities 400 and self-locking device 500 and lock onto charging gun 300 pair In connection device 400, power supply line 200 is provided between charging gun 300 and the pile body 100 for being installed on ground, docking facilities 400 are mating Be set in new-energy automobile for docking charging gun 300, charging gun 300 include for access the body of a gun 310 of power supply line 200 with And for by the pipette tips component 320 of 200 power output of power supply line, the body of a gun 310 to be arranged to the bottom of hollow structure and the body of a gun 310 It is provided with the wiring hole 311 accessed for power supply line 200, pipette tips component 320 includes that both ends open is in horizontally disposed outer barrel 322, outer barrel 322 is inserted into place open at one end and the connection of the body of a gun 310, other end opening of direction of travel away from charging gun 300 It is provided with coaxially arranged erecting bed 323, the medium position of erecting bed 323 coaxially offers avoid holes, coaxial in outer barrel 322 It is provided with tube body 324, one end of tube body 324 extends to the outside of erecting bed 323 by avoid holes and end position is provided with separated time Disk 325, the other end extend to the inside of the body of a gun 310, and the coaxial arrangement of noseplate 325 is in outer barrel 322 along 300 inserting line of charging gun Into direction place open at one end and noseplate 325 match with outer barrel 322, be provided on noseplate 325 and docking facilities 400 The jack 326 to match, output contact 327 is provided in jack 326, and pipette tips component 320 further includes output electric wire 321, output 321 one end of electric wire with access the body of a gun 310 in power supply line 200 connect, the other end sequentially passes through tube body 324, jack 326 and with it is defeated Contact 317 connects out, and output electric wire 321 includes that anode output electric wire, cathode export electric wire, and docking facilities 400 include and outer cylinder The column butt muff 401 that body 322 matches, one end of butt muff 401 are set to the outer surface of new-energy automobile and the end Position, which installs, is equipped with installation base 402, and installation base 420 is fixedly connected with the outer surface of new-energy automobile, butt muff 401 The other end is provided with butt plate 403, and input contact 404 is provided on the butt plate 403, and input 404 one end of contact is located at The inside of butt muff 401, the other end are electrically connected with the battery of new-energy automobile；Charging gun 300 is inserted into docking facilities 400, Outer barrel 322 is inserted into butt muff 401 and promotes power supply line 200 and new-energy automobile constitutes closed loop, electricity Electrical energy transportation to output electric wire 321 is exported electric wire 321 for electric energy and is delivered to docking facilities by output contact 327 by source line 200 400, docking facilities 400 save electrical energy transportation in the battery of new-energy automobile；

S2: charging gun 300 charges to new-energy automobile after being inserted into docking facilities 400, and power supply line 200 is direct current energization, directly Load in flow-thru electrode charging process is the battery inside new-energy automobile, when charging gun 300 and the completion pair of docking facilities 400 When connecing, cathode power supply route/negative power supply route electric current in power supply line 200 is gradually increased by zero ampere to a certain constant It numerical value and maintains the constant value and fluctuates up and down, the current values of anode output electric wire/cathode output electric wire are with positive electricity The synchronous variation of source route/negative power supply route current values, the electric current in input positive electrical wire/input negative electrical wire increase In the process, self-locking device 500 it is faradic variation and automatic trigger charging gun 300 is lock onto docking facilities 400；

The self-locking device 500 includes Electromagnetic Control mechanism 510, electromagnetism trigger mechanism 520 and retaining mechanism 530, institute The Electromagnetic Control mechanism 510 that states, electromagnetism trigger mechanism 520 are set to inside the body of a gun 310, and retaining mechanism 530 is set to charging gun Between 300 and docking facilities 400, electromagnetism trigger mechanism 520 is arranged to the triggering state that can mutually switch and non-triggering state, electricity Magnetic control mechanism 510 includes the rectangle mounting base 511 that is fixed on 310 inner wall of the body of a gun, mounting base 511 it is horizontally disposed and The direction of travel that its length direction is inserted into perpendicular to charging gun 300,511 upper surface of mounting base are vertically arranged with hollow The support column 512 of arrangement, there are two the settings of support column 512 and is located at the one end of mounting base 511 along its length, supports Support rod 513 is provided in column 512, support rod 513, which matches with support column 512 and constitutes slide-and-guide along the vertical direction, matches It closes, is provided between two support rods, 513 top and is firmly connected with it and horizontally disposed armature 1, the outside of the strut 513 It is arranged with reset spring 1, one 515 one end of reset spring and support column 512 contradict, the other end and armature 1 contradict simultaneously And the elastic force of reset spring 1 is directed toward armature 1, the middle part of 511 upper surface of mounting base by support column 512 always Position is vertically arranged with columnar iron core one, and the anode output electric wire/cathode output electric wire spiral is wire-wrapped in the outer of iron core one On disc, the upper surface of the iron core one is provided with control sucker 516, and 511 upper surface of mounting base, which is vertically arranged with, leads Spool 1 and conduit 2 518, conduit 1 and conduit 2 518 are located at mounting base 511 in the width direction One end；

Electromagnetism trigger mechanism 520 includes anode control route 521, cathode control route 522, trigger board 523 and fixed ring 526, one end of direction of travel is inserted into the coaxial arrangement of fixed ring 526 in outer barrel 322 away from charging gun 300, and fixed ring 526 deviates from 322 1 end face of outer barrel is provided with iron core 2 528, and the external helicoid solderless wrapped connection of iron core 2 528 is provided with triggering electric wire, iron core two 528 are provided with circular ring shape triggering sucker 527 away from 526 one end of fixed ring and trigger sucker 527 and the coaxial cloth of fixed ring 526 It sets, trigger board 523 is horizontally placed on the upper surface of armature 1, the length direction of trigger board 523 and the length of armature 1 Direction is arranged vertically, under the one end of trigger board 523 along its length spacing arrangement corresponding with conduit 1 and the end End face is provided with one 524a of contact, the other end of trigger board 523 along its length is arranged simultaneously with the corresponding spacing of conduit 2 518 And the lower end surface of the end is provided with three 525a of contact, anode control route 521 is arranged to three sections and respectively input section, transition One end of section and deferent segment, anode control 521 input section of route is connect with power supply line 200 and the other end is by conduit 1 The end position at the top and elongated end that extend to conduit 1 is provided with two 524b of contact, anode control 521 mistake of route The both ends for crossing section are connected to one 524a of contact and three 525a of contact, one end of anode control 521 deferent segment of route and triggering electric wire One end connection and the other end top of guide pipe 2 518 and the end position of elongated end are extended to by conduit 2 518 Be provided with four 525b of contact, the cathode control 522 one end of route connect with power supply line 200 and the other end with trigger electric wire Other end connection；

Electromagnetic Control mechanism 510 and electromagnetism trigger mechanism 520 during the work time, when charging gun 300 is inserted into docking facilities 400 When, the electric current that anode output electric wire/cathode exports in electric wire is gradually increased by zero ampere to a certain constant value, in this process In, spiral, which is wire-wrapped in the anode output electric wire/cathode output electric wire outside iron core one, will generate electromagnetic field, and the electromagnetic field is by iron core One and control sucker 516 magnetize, control sucker 516 after magnetization has magnetic force and armature 1 is attracted to inhale close to control Disk 516 moves, and armature 1 overcomes the elastic force effect of reset spring 1 to move downward, and reset spring 1 gradually reduces And elastic potential energy is gradually increased, support rod 513 along the vertical direction towards the internal slide of support column 512, armature 1 to Lower movement will drive trigger board 523 to synchronize and move downward, and moving downward for trigger board 523 will promote one 524a of contact and contact two 524b contact connection, three 525a of contact contacts connection with four 525b of contact, the positive input section for controlling route 521, changeover portion with And deferent segment constitutes a completion route, anode control route 521, cathode control route 522 will control power circuit and triggering Electric wire constitutes closed loop, and spiral is wire-wrapped in the triggering electric wire outside six iron cores 2 528 will generate electromagnetic field simultaneously, should Magnetic field magnetizes iron core 2 528 and triggering sucker 527, and the triggering sucker 527 after magnetization has magnetic force and inhaled by triggering The magnetic force of disk 527 realizes that the locking to retaining mechanism 530 controls, and at the same time, electromagnetism trigger mechanism 520 is cut by non-triggering state Shift to triggering state；

S3: retaining mechanism 530 includes the inner cylinder 531 and inner cylinder 531 that are sheathed on outside tube body 324 and 325 spacing of noseplate Arrangement, inner cylinder 531 and tube body 324 match and constitute slide-and-guide cooperation, inner cylinder along the axis direction of tube body 324 531 outside is provided with armature 2 532 away from one end that charging gun 300 is inserted into direction of travel, and armature 2 532 is arranged to circular ring shape And match with triggering sucker 527, the outer, coaxial of inner cylinder 531 is provided with fixes sleeve 534 and fixes sleeve 534 is fixed It is installed on the inner wall of outer barrel 322, positive stop lug boss 533 is coaxially fixedly installed on the periphery of inner cylinder 531 and limits For boss 533 between armature 2 532 and fixes sleeve 534, the outside of inner cylinder 531 is provided with reset spring 2 535, resets The bullet of one end of spring 2 535 and the conflict of positive stop lug boss 533, the other end and the conflict of solid liner 534 and reset spring 2 535 Power is directed toward positive stop lug boss 533 by solid liner 534 always, and the outside of inner cylinder 531 is inserted into the one of direction of travel along charging gun 300 End is provided with magnet 1, and magnet 1 is arranged to circular ring shape and coaxially arranged with inner cylinder 531, and retaining mechanism 530 is also Including the rectangle lock opening 537 being set on 322 periphery of outer barrel, the length direction and outer barrel 322 of rectangular aperture 537 Axis direction it is parallel, be provided with matched latch segment 538 in lock opening 537, latch segment 538 and lock opening 537 It is articulated and connected and the width direction for being axially parallel to lock opening 537 of articulated shaft, articulated shaft is inserted into away from charging gun 300 Direction of travel arrangement, the outside of latch segment 538 are provided with the lock projection 538a radially arranged along outer barrel 322 and lock convex It plays 538a to arrange away from articulated shaft, latch segment 538 successively embeds along the direction of travel that charging gun 300 is inserted into and is provided with magnet two 538b and three 538c of magnet, two 538b of magnet and three 538c of magnet are set to the end face locked inside outer barrel 322, magnetic Two 538b of iron and the end face close to each other of magnet 1 are opposite pole, three 538c of magnet and the one end close to each other of magnet 1 Face is like pole, the non-triggering state of electromagnetism trigger mechanism 520, and two 538b of magnet corresponds to each other arrangement, magnet with magnet 1 One 536 attract two 538b of magnet and latch segment 538 are promoted to close inside lock opening 537 in the rotation of itself articulated shaft, electricity 520 triggering state of magnetic trigger mechanism, three 538c of magnet arrangement corresponding with magnet 1, magnet 1 repel three 538c of magnet And latch segment 538 is promoted to turn to the outside of lock opening 537 around itself articulated shaft, retaining mechanism 530 further includes coaxially setting The annular locking slot 539 being placed in inside butt muff 401, locking slot 539 match with lock projection 538a；

In charging initiating process, Electromagnetic Control mechanism 510 controls electromagnetism trigger mechanism 520 and switches to triggering by non-triggering state State, triggering sucker 527 generates magnetism and the direction for attracting armature 2 532 to advance along the insertion of charging gun 300 moves, armature two 532 movement will drive inner cylinder 531 that the elastic force of reset spring 2 535 is overcome to act on and insert along tube body 324 towards charging gun 300 Enter the direction sliding of traveling, reset spring 2 535 gradually reduces and elastic potential energy is gradually increased, and the movement of inner cylinder 531 will It is moved synchronously with moving magnet 1 along the direction that the insertion of charging gun 300 is advanced, magnet 1 moves to and three 538c phase of magnet Corresponding, magnet 1 repels three 538c of magnet and latch segment 538 is promoted to turn to lock opening 537 around itself articulated shaft Outside, the inside that the outer Zhang Yundong of latch segment 538 will drive lock projection 538a to be caught in locking slot 539 are realized charging gun 300 It lock onto inside docking facilities 400；

(2) lock release charging gun extracts the stage:

S4: when the battery electric energy inside new-energy automobile is full of, cathode power supply route/negative power supply route in power supply line 200 In electric current it is gradually smaller and be intended to value of zero ampere, current values in anode output electric wire/cathode output electric wire with The synchronous variation of cathode power supply route/negative power supply route current values, anode output electric wire/cathode export the electric current in electric wire The ampere that goes to zero is dropped to by a certain constant value, in the process, the faradic variation of self-locking device 500 and automatic Release the locking to charging gun 300；

Spiral is wire-wrapped in the electromagnetic field that the anode output electric wire outside iron core one/cathode output electric wire generates and will fade away, iron Core one and the magnetization for controlling sucker 516 will fade away, and the magnetic force of control sucker 516 is gradually reduced, when control sucker 516 is right When the attraction of armature 1 is less than the elastic force of reset spring 1, the elastic potential energy release of reset spring 1 resets bullet Spring 1 will push armature 1 to move straight up, and support rod 513 is along the vertical direction towards the external sliding of support column 512 Dynamic, the moving upwards of armature 1 will drive trigger board 523 to synchronize and move upwards, and moving upwards for trigger board 523 will promote to touch One 524a separates disconnection with two 524b of contact to point, three 525a of contact separates disconnection with four 525b of contact, anode control route 521 Input section, changeover portion and deferent segment mutually disconnect reset, and anode control route 521, cathode control route 522 will control power supply The closed loop that route and triggering electric wire are constituted disconnects, and the electromagnetic field that triggering electric wire generates will fade away, iron core 2 528 And the magnetization of triggering sucker 527 will fade away, the magnetic force of triggering sucker 527 is gradually reduced disappearance, at the same time, electromagnetism touching It sends out mechanism 520 and non-triggering state is switched to by triggering state, then triggering 527 magnetism of sucker will fade away and release to rank The attraction of iron 2 532, at this point, the elastic potential energy of reset spring 2 535 discharges, reset spring 2 535 pushes positive stop lug boss 533 to carry on the back From the direction movement that the insertion of charging gun 300 is advanced, 531 resetting movement of inner cylinder, simultaneously, armature 2 532 and magnet are driven One 536 will also do resetting movement, one 536 resetting movement of magnet to, magnet one 536 attraction magnet two corresponding with two 538b of magnet 538b and promote latch segment 538 around itself articulated shaft rotation in close inside lock opening 537, lock projection 538a and locking Slot 539 mutually disengages and cancels the locking to charging gun 300, and user is by the charging gun 300 after completing charging by docking facilities Rest area charging gun is extracted in 400 hangs area 120.

The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention； Various modifications to these embodiments will be readily apparent to those skilled in the art, defined in the present invention General Principle can be realized in other embodiments in the case where not departing from spirit or scope of the invention.Therefore, originally Invention will not be defined to the embodiments shown herein, and be to fit to and the principles and novel features disclosed herein Consistent widest scope.

Claims (6)

1. a kind of direct current energization self-locking new-energy automobile charging pile, it is characterised in that: it includes the stake for being vertically arranged to ground Body, the charging gun being set to outside pile body, mating be set to are used to dock the docking facilities of charging gun, are arranged in new-energy automobile Between charging gun and docking facilities and it is used to lock the self-locking device of the two and is set between pile body and charging gun For the power supply line by electric energy by pile body delivered inside to charging gun, the power supply line is by cathode power supply route, negative power supply Route, safety line route, feedback line and control five part of power circuit are constituted, and the charging gun is arranged to can be mutual The insert state and extraction state of switching.

2. a kind of direct current energization self-locking new-energy automobile charging pile according to claim 1, it is characterised in that: described Pile body includes being set to the control device inside pile body, being set to user-friendly touching display screen, setting outside pile body In pile body bottom and buried ground line, control device and touching display screen constitute an interactive system and for user's The management service of Self-Service and charging station, the charging gun include the body of a gun for accessing power supply line and for will be electric The pipette tips component of source line power output, the body of a gun matches with pipette tips component and the two is fixedly connected, during the body of a gun is arranged to The bottom of hollow structure and the body of a gun is provided with the wiring hole for power supply line access, and the internal switching of wiring hole and the body of a gun is described Pipette tips component and the body of a gun connect, the pipette tips component includes both ends open in horizontally disposed outer barrel, and outer barrel deviates from The place open at one end of charging gun insertion direction of travel and body of a gun connection, other end opening are provided with coaxially arranged erecting bed, The medium position of erecting bed coaxially offers avoid holes, tube body is coaxially arranged in the outer barrel, one end of tube body is by keeping away It allows hole to extend to the outside of erecting bed and end position is provided with noseplate, the other end extends to the inside of the body of a gun, point Drum coaxial arrangement in outer barrel along charging gun insertion direction of travel place open at one end and noseplate match with outer barrel, institute The jack to match with docking facilities is provided on the noseplate stated, the jack includes positive jack, cathode jack, ground wire Jack and feedback line jack, output contact is provided in the jack, and the output contact includes anode output touching Head, cathode output contact, ground wire output contact and feedback line export contact, anode output contact, cathode output contact, Line exports contact and feedback line output contact and positive jack, cathode jack, ground wire jack and feedback line jack one One corresponding arrangement, the pipette tips component further include output electric wire, described output electric wire one end and the power supply accessed in the body of a gun Line connects one to one, the other end sequentially passes through tube body, jack and with output contact be connected, the output electric wire include just Pole exports electric wire, cathode output electric wire, safety wire and feedback output electric wire, anode output electric wire, cathode output electric wire, peace Full electric wire and feedback output electric wire and anode output contact, cathode output contact, ground wire output contact and feedback line are defeated Contact connects one to one out.

3. a kind of direct current energization self-locking new-energy automobile charging pile according to claim 1, it is characterised in that: described Docking facilities include the column butt muff to match with outer barrel, and one end of butt muff is set to the appearance of new-energy automobile Face and the end position are provided with installation base, and installation base is fixedly connected with the outer surface of new-energy automobile, butt muff The other end is provided with butt plate, and input contact is provided on the butt plate, and input contact one end is located at the interior of butt muff Portion, the other end are electrically connected with the battery of new-energy automobile, and the input contact includes anode input contact, cathode input touching Head, ground wire output contact and feedback line input contact, anode input contact, cathode input contact, ground wire input contact with And feedback line input contact and positive jack, cathode jack, ground wire jack and feedback line jack are corresponded and are arranged, are filled When electric rifle insertion docking facilities, anode output contact, cathode output contact, ground wire output contact and feedback line export contact It corresponds to contradict and connect with anode input contact, cathode input contact, ground wire input contact and feedback line input contact.

4. a kind of direct current energization self-locking new-energy automobile charging pile according to claim 1, it is characterised in that: described Self-locking device includes Electromagnetic Control mechanism, electromagnetism trigger mechanism and retaining mechanism, the Electromagnetic Control mechanism, electromagnetism touching Hair mechanism is set to inside the body of a gun, and the retaining mechanism is set in charging gun and can establish connection, institute with docking facilities The electromagnetism trigger mechanism stated is arranged to the triggering state that can mutually switch and non-triggering state, and the Electromagnetic Control mechanism is used for Handover process of the electromagnetism trigger mechanism between triggering state and non-triggering state is controlled, the retaining mechanism will be for that will charge Rifle is lock onto inside docking facilities, and electromagnetism trigger mechanism switches to triggering state retaining mechanism by non-triggering state and completes to charge Rifle is lock onto docking facilities, electromagnetism trigger mechanism by triggering state switch to non-triggering state retaining mechanism realize charging gun, Latch-release between docking facilities.

5. a kind of direct current energization self-locking new-energy automobile charging pile according to claim 4, it is characterised in that: described Electromagnetism trigger mechanism includes that anode control route, cathode control route, trigger board and fixed ring, the fixed ring are coaxially set Outer barrel is placed in away from one end of charging gun insertion direction of travel, the fixed ring is provided with iron core away from one end face of outer barrel Two, the setting of iron core two there are six and the circumferencial direction array arrangement where the fixed ring, the external helicoid of the iron core two around It connects and is provided with triggering electric wire, parallel with one another between the triggering electric wire outside six iron cores two, the iron core two deviates from fixed ring One end is provided with circular ring shape triggering sucker and triggers that sucker is coaxially arranged with fixed ring, and the trigger board is horizontally placed on rank The length direction of the upper surface of iron one, the length direction and armature one of trigger board is arranged vertically, trigger board along its length one Hold that corresponding with Electromagnetic Control mechanism spacing is arranged and the lower end surface of the end is provided with contact one, trigger board along its length The other end is provided with contact three, the anode control with the lower end surface of the corresponding spacing of Electromagnetic Control mechanism arrangement and the end Route processed is arranged to three sections and respectively input section, changeover portion and deferent segment, one end of the anode control route input section It is connect with control power circuit anode and the other end is extended to the top of conduit one and the end of elongated end by conduit one Position is provided with contact two, the both ends of the anode control line transition section are connected to contact one and contact three, the anode are controlled One end of circuit output section processed is connect with one end of triggering electric wire and the other end is extended to the top of guide pipe two by conduit two The end position of portion and elongated end is provided with contact four, and described cathode control route one end is connect with control power circuit cathode And the other end is connect with the other end of triggering electric wire.

6. a kind of direct current energization self-locking new-energy automobile charging pile according to claim 4, it is characterised in that: described Retaining mechanism includes being sheathed on inner cylinder outside tube body and inner cylinder and noseplate spacing arrange that inner cylinder matches with tube body And slide-and-guide cooperation is constituted along the axis direction of tube body, direction of travel is inserted into away from charging gun in the outside of the inner cylinder One end be provided with armature two, armature two is arranged to circular ring shape and matches with triggering sucker, and the outside of the inner cylinder is same Axis is provided with fixes sleeve and fixes sleeve is fixedly installed on the inner wall of outer barrel, coaxial on the periphery of the inner cylinder Positive stop lug boss and positive stop lug boss are fixedly installed between armature two and fixes sleeve, the external setting of the inner cylinder There are reset spring two, one end of reset spring two and positive stop lug boss conflict, the other end and solid liner contradicts and reset spring Two elastic force is directed toward positive stop lug boss by solid liner always, and the outside of the inner cylinder is along the one of charging gun insertion direction of travel End is provided with magnet one, and the magnet one is arranged to circular ring shape and coaxially arranged with inner cylinder, and the retaining mechanism is also Including the rectangle lock opening being set on outer barrel periphery, the length direction of rectangular aperture and the axis direction of outer barrel are flat It goes, matched latch segment, latch segment and lock opening articulated connection and articulated shaft is provided in the lock opening The width direction for being axially parallel to lock opening, the articulated shaft away from charging gun insertion direction of travel arrangement, it is described Latch segment suspension is provided with outwardly projecting lock projection at end, and the direction of travel that the latch segment is inserted into along charging gun is successively Embedded to be provided with magnet two and magnet three, magnet two and magnet three are set to the end face locked inside outer barrel, magnet Two and the end face close to each other of magnet one be opposite pole, magnet three and the end face close to each other of magnet one are like pole, electric The non-triggering state of magnetic trigger mechanism, magnet two correspond to each other arrangement with magnet one, and magnet one attracts magnet two and promotes to lock Block closes inside lock opening in the rotation of itself articulated shaft, electromagnetism trigger mechanism triggering state, and magnet three and magnet one are opposite It should arrange, magnet one repels magnet three and latch segment is promoted to turn to the outside of lock opening around itself articulated shaft, described Retaining mechanism further includes the annular locking slot being coaxially disposed inside butt muff, the locking slot and lock projection phase Match.