CN208782162U - A kind of direct-current charging post with charging protection function - Google Patents
A kind of direct-current charging post with charging protection function Download PDFInfo
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- CN208782162U CN208782162U CN201821555282.1U CN201821555282U CN208782162U CN 208782162 U CN208782162 U CN 208782162U CN 201821555282 U CN201821555282 U CN 201821555282U CN 208782162 U CN208782162 U CN 208782162U
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- hole
- charging
- conduit
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- section body
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- 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
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- 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
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- 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
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of direct-current charging post with charging protection function, and charging pile body input terminal is connect with three phase mains；Charging pipette tips are connect with charging pile body output end, charging pipette tips protrude above one cylindrical inserted terminal of setting, the cylinder of inserted terminal is central axial through a through-hole is opened up, and through-hole peripheral distribution has several first conduits, at least protrudes one guide pad of setting respectively on the through-hole side wall of the left and right sides；It is movably set with a pair of of half section body in through-hole, a pilot hole corresponding with guide pad is opened up in the outer peripheral sidewall of half section body, guide pad is plugged in pilot hole, so that the setting of half section body radial expansion is in through-holes；The peripheral distribution of half section body has several the second conduits corresponding with the first conduit, and the first conduit docks the conductive spliced eye to be formed for grafting automobile charging contact pin interface with the second conduit.The utility model solves charging pile Electrical Safety and ensures insufficient technical problem.
Description
Technical field
The utility model relates to technical field of new energy, and in particular to a kind of direct current with charging protection function 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.
Utility model content
One purpose of the utility model is to solve at least the above problems, and provide the advantages of at least will be described later.
The purpose of the utility model is to provide a kind of direct-current charging posts with charging protection function, 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 utility model solves charging pile use
The technical problem of electric safety guarantee deficiency.
In order to realize these purposes according to the present utility model and other advantages, provide a kind of with charging protection function
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 it is cylindrical that the charging pipette tips protrude above setting one
Inserted terminal, the cylinder of the inserted terminal is central axial, and through a through-hole is opened up, the through-hole peripheral distribution has several first conduits,
The length direction of first conduit is axial consistent with the inserted terminal；
Wherein, at least one guide pad of protrusion setting, the guide pad are located at respectively on the through-hole side wall of the left and right sides
On through-hole side wall between two neighboring first conduit；It is movably set with a pair of of half section body in the through-hole, described half
The outer peripheral sidewall of section body is matched with the through-hole left inner side wall or right inner side wall, is opened up in the outer peripheral sidewall of the half section body
One pilot hole corresponding with the guide pad, the guide pad are plugged in the pilot hole, so that the half section body is radial
Flexible setting is in the through hole；
The peripheral distribution of the half section body has several the second conduits corresponding with first conduit, when the half section
When body outer peripheral sidewall is bonded with the through-hole left and right sidewall, first conduit docks to be formed for grafting automobile with the second conduit
The conductive spliced eye for the contact pin interface that charges；
An elastic component is arranged in the inner end of first conduit described at least one of which, and the elastic component is apart from through-hole outboard end
Distance be less than charging interface in contact pin length.
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, the length of the guide pad and the depth of pilot hole are not less than the radius of first conduit, and described half
Section body is arranged on the guide pad by the pilot hole, so that the half section body can radially be stretched in the lateral direction
Contracting.
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, half tapered recess is opened up along axial direction on the cross section of the half section body, the half-cone cavity
Internal diameter is gradually increased towards inner end, and half-cone cavity inner end and the accommodating cavity penetrate through.
Preferably, in the half-cone cavity of the left and right sides stretch setting one tapered cylinders, the tapered cylinders it is straight
Diameter is gradually increased towards inner end, and the tapered cylinders outer surface is selectively bonded with the half-cone cavity.
Preferably, a telescoping mechanism, the telescopic end of the telescoping mechanism and the tapered pole are set in the accommodating cavity
The inner end center of body connects, and the telescopic direction of the telescoping mechanism is consistent with the central axis of the inserted terminal.
Compared with prior art, the beneficial effect that the utility model includes is:
1, the utility model is provided with electricity protection mechanism in charging pipette tips, specifically in the charging pipette tips of connection charging pile
On be provided with gun stripping mechanism, when overcurrent or over-voltage occur, can be played by gun stripping mechanism come split cell packet and charging pile
Effect is effectively protected, improves the electricity consumption security function of charging pile；
2, 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；
3, 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.
The further advantage, target and feature of the utility model will be partially reflected by the following instructions, and part will also pass through
Research and practice to the utility model and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the front view of charging pipette tips；
Fig. 3 is the structural schematic diagram inside through-hole；
Fig. 4 is mounting structure schematic diagram of the tapered cylinders in through-hole；
Fig. 5 is through-hole cross-sectional view；
Fig. 6 is the installation site structural schematic diagram of half section body；
Fig. 7 is the structural schematic diagram of connection-peg when conductive through hole unclamps；
Fig. 8 is the position view of tapered cylinders when conductive through hole unclamps；
Fig. 9 is the structural schematic diagram of connection-peg when conductive through hole closes up；
Figure 10 is the position view that conductive through hole closes up rear tapered cylinders.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art referring to explanation
Text can be implemented accordingly.
As Figure 1-10 shows, the utility model provides a kind of direct-current charging post with charging protection function, comprising: fills
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, the charging pipette tips 200 protrude above one cylindrical inserted terminal 210 of setting, inserted terminal
210 are plugged in automobile charging contact pin interface, charge for battery pack.
The inserted terminal 210 is in bar shape structure, central axial through a through-hole 220 is opened up in 210 cylinder of inserted terminal, is led to
Hole 220 is rounded or oval, is internally provided with accommodating cavity, the through-hole 220 and the accommodating in the charging pipette tips 200
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, and 231 periphery of the second conduit also can be set
Have conductive layer, convenient for conductive pin and conductive 260 conductive contact of spliced eye, and the inserted terminal 210 is with half section body
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.
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 synchronizes and moves inward, as shown in FIG. 7 and 8, the outer peripheral sidewall of half section body 230 and 240 and 220 left and right sides of through-hole of the left and right sides
Wall separation, that is, conductive through hole 260 are opened, and conductive pin and conductive through hole 260 unclamp.And it needs half section body 230
When being bonded with 240 outer peripheral sidewalls with 220 left and right sidewall of through-hole, need to push the half section body 230 and 240 of two sides synchronous outward
The first spring 223 of compression is moved radially, 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 reality
One limited block 2211, first slot in 2211 outside of limited block are set in 221 inner end of the first conduit with novel
One second spring 2212 is set in road 221, the three of of length no more than first conduit, 221 length of the second spring 2212
/ mono-, avoid the insertion depth for influencing conductive pin.
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.Under the promotion of second spring 2212, conduction is inserted
Needle is ejected, 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 half
Section body 230 and 240 resets, and holding is bonded with 220 left and right sidewall of through-hole, guarantees the integrality of conductive through hole 260, the first spring
223 are compressed again.
In order to realize that the half section body 230 and 240 of the left and right sides moves radially, the utility model 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.
The course of work is as follows:
When normal condition, the telescopic direction of control telescoping mechanism 270 is maintained at forward position, drives tapered cylinders 250
It moving axially to by forward position, 250 lateral surface of tapered cylinders is contacted with 232 inner sidewall of half-cone cavity of the left and right sides, and
As the side axially forward of tapered cylinders 250 is mobile, the radially outward side of half section body 230 and 240 of the left and right sides is pushed
It is mobile, the first spring 223 is compressed, until the outer peripheral sidewall of half section body 230 and 240 and 220 left and right sidewall of through-hole of the left and right sides
Fitting, forms complete conductive through hole 260.When charging to on-vehicle battery packet, charging pipette tips 200 are plugged on vehicle-mounted charge
It connects, conductive pin is stretched to its conductive contact in conductive through hole 260, and with the increase of insertion depth, conductive pin is compressed
Second spring 2212.Since conductive pin and conductive through hole 260 are in close-fitting conjunction state at this time, battery pack and DC charging are realized
The connection of stake, 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, triggering telescoping mechanism 270 act.When battery pack is in floating charge state for a long time, then after calculating battery pack charging complete
Time, when the time be more than setting time when, then trigger telescoping mechanism 270 movement.
Side is mobile backward for the telescopic end of control triggering telescoping mechanism 270, at this point, 250 lateral surface of tapered cylinders and left and right two
The 232 inner sidewall quick separating of half-cone cavity of side, under the promotion of the first spring 223, the half section body 230 and 240 of two sides
It synchronizes 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, is finally made
The half section body 230 and 240 of the left and right sides is synchronous unclamps from 220 left and right sidewall of through-hole, that is, conductive through hole 260 is beaten
It opens, conductive pin and conductive through hole 260 unclamp.At this point, conductive pin is ejected under the promotion of second spring 2212, also
It is that charging pipette tips 200 are ejected, realizes and jump rifle, cut off the power, avoid damage equipment.After jumping rifle, 230 He of half section body is controlled
240 reset, and holding is bonded with 220 left and right sidewall of through-hole, guarantee the integrality of conductive through hole 260, and the first spring 223 is pressed again
Contracting.
From the above mentioned, the utility model is provided with electricity protection mechanism in charging pipette tips, specifically 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；Meanwhile improve charging pile anti-overflow,
The performance of over-voltage and lightning protection avoids the damage of charging pile internal electronic component and on-vehicle battery packet；Further, vehicle-mounted
After battery pack charging complete, battery can also be made to separate with charging pile by gun stripping mechanism, battery pack is avoided to be in for a long time
Floating charge state extends the service life of battery pack.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art,
It can readily realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (10)
1. a kind of direct-current charging post with charging protection function characterized by 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 the charging pipette tips protrude above one cylindrical grafting of setting
End, the cylinder of the inserted terminal is central axial through a through-hole is opened up, and the through-hole peripheral distribution has several first conduits, described
The length direction of first conduit is axial consistent with the inserted terminal；
Wherein, at least one guide pad of protrusion setting, the guide pad are located at adjacent respectively on the through-hole side wall of the left and right sides
On through-hole side wall between two first conduits；A pair of of half section body, the half section are movably set in the through-hole
The outer peripheral sidewall of body is matched with the through-hole left inner side wall or right inner side wall, opened up in the outer peripheral sidewall of the half section body one with
The corresponding pilot hole of the guide pad, the guide pad is plugged in the pilot hole, so that the half section body radial expansion
Setting is in the through hole；
The peripheral distribution of the half section body has several the second conduits corresponding with first conduit, when the half section is external
When all side walls are bonded with the through-hole left and right sidewall, first conduit is docked to be formed with the second conduit and be charged for grafting automobile
The conductive spliced eye of contact pin interface；
The inner end of first conduit described at least one of which is arranged an elastic component, the elastic component apart from through-hole outboard end away from
From the length for being less than contact pin in charging interface.
2. as described in claim 1 with the direct-current charging post of charging protection function, which is characterized in that in the charging pipette tips
Portion is provided with accommodating cavity, and the through-hole is connected to the accommodating cavity, and first conduit periphery is provided with conductive layer, described
Inserted terminal and half section body are insulator, and the inner end of first conduit extends in the accommodating cavity, first slot
External conductive connecting on the elongated end in road, the conductive connecting is along the output through the charging pipette tips and the charging pile body
End connection.
3. as claimed in claim 2 with the direct-current charging post of charging protection function, which is characterized in that the inner side wall of through hole
In globoidal structure, the conductive spliced eye in the charging pipette tips is distributed along the through-hole outer peripheral sidewall, and the half section is external
The setting of all side walls is in and the through-hole or so the matched globoidal structure of inner sidewall, the half section body outer peripheral sidewall and the through-hole
Inner sidewall is selectively bonded；First conduit and the second conduit semicircular in shape structure, and first conduit and the second conduit
It corresponds.
4. as claimed in claim 3 with the direct-current charging post of charging protection function, which is characterized in that the half section body
Cross-sectional direction is axial parallel with the inserted terminal, is provided between reserving between the cross section of the left and right sides half section body
Gap, the maximum distance of the preset clearance are no more than the diameter of first conduit.
5. as claimed in claim 4 with the direct-current charging post of charging protection function, which is characterized in that the length of the guide pad
The depth of degree and pilot hole is not less than the radius of first conduit, and the half section body is set in described by the pilot hole
On guide pad, so that the half section body is radial scalable in the lateral direction.
6. as claimed in claim 5 with the direct-current charging post of charging protection function, which is characterized in that the guide pad side
The through-hole side wall protrude above one first spring of setting, first spring is folded in the through-hole side wall and half section body
Between outer peripheral sidewall.
7. as claimed in claim 6 with the direct-current charging post of charging protection function, which is characterized in that in first conduit
A limited block is arranged in side, and a second spring is arranged in first conduit on the outside of the limited block, the second spring
The one third of of length no more than first channel lengths.
8. as claimed in claim 7 with the direct-current charging post of charging protection function, which is characterized in that the half section body
Half tapered recess is opened up along axial direction on cross section, the internal diameter of the half-cone cavity is gradually increased towards inner end, and described
Half-cone cavity inner end and the accommodating cavity penetrate through.
9. as claimed in claim 8 with charging protection function direct-current charging post, which is characterized in that the left and right sides it is described
Stretch one tapered cylinders of setting in half-cone cavity, and the diameter of the tapered cylinders is gradually increased towards inner end, the taper
Cartridge outer surface is selectively bonded with the half-cone cavity.
10. as claimed in claim 9 with the direct-current charging post of charging protection function, which is characterized in that the accommodating cavity
One telescoping mechanism of interior setting, the telescopic end of the telescoping mechanism are connect with the inner end center of the tapered cylinders, described flexible
The telescopic direction of mechanism is consistent with the central axis of the inserted terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821555282.1U CN208782162U (en) | 2018-09-21 | 2018-09-21 | A kind of direct-current charging post with charging protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821555282.1U CN208782162U (en) | 2018-09-21 | 2018-09-21 | A kind of direct-current charging post with charging protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208782162U true CN208782162U (en) | 2019-04-23 |
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ID=66162227
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821555282.1U Withdrawn - After Issue CN208782162U (en) | 2018-09-21 | 2018-09-21 | A kind of direct-current charging post with charging protection function |
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| Country | Link |
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| CN (1) | CN208782162U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109217024A (en) * | 2018-09-21 | 2019-01-15 | 扬州万泰电子科技有限公司 | A kind of direct-current charging post with charging protection function |
-
2018
- 2018-09-21 CN CN201821555282.1U patent/CN208782162U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109217024A (en) * | 2018-09-21 | 2019-01-15 | 扬州万泰电子科技有限公司 | A kind of direct-current charging post with charging protection function |
| CN109217024B (en) * | 2018-09-21 | 2023-09-12 | 扬州万泰电子科技有限公司 | Direct current fills electric pile with protect function charges |
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| GR01 | Patent grant | ||
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Granted publication date: 20190423 Effective date of abandoning: 20230912 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190423 Effective date of abandoning: 20230912 |