CN109177773B - Direct current fills electric pile with safeguard function - Google Patents
Direct current fills electric pile with safeguard function Download PDFInfo
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- CN109177773B CN109177773B CN201811205321.XA CN201811205321A CN109177773B CN 109177773 B CN109177773 B CN 109177773B CN 201811205321 A CN201811205321 A CN 201811205321A CN 109177773 B CN109177773 B CN 109177773B
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- charging pile
- sliding rail
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/72—Means for accommodating flexible lead within the holder
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/10—Sockets for co-operation with pins or blades
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R41/00—Non-rotary current collectors for maintaining contact between moving and stationary parts of an electric circuit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/26—Connectors or connections adapted for particular applications for vehicles
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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
-
- 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
- Y02T90/12—Electric charging stations
-
- 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 invention discloses a direct current charging pile with a protection function.A first side insulating plate above a channel is provided with a plug seat, an insulating plate at the periphery of the plug seat is provided with a circular groove, a second side insulating plate above the channel is provided with a shaft hole in a penetrating way, an insulating hollow sliding rail is arranged between the circular groove and the shaft hole, and the insulating hollow sliding rail is rotatably arranged on the insulating plates at two sides; a conductor which is electrically connected to the power output end of the direct current charging pile is arranged in the insulating hollow sliding rail; the head end of the charging gun is connected with an output bus; the first end of the output bus is connected with the insulating hollow sliding rail, and the second end of the output bus penetrates through the channel to be led out outwards and is connected with the charging gun head; the first end of the output bus penetrates into the insulating hollow sliding rail and is in conductive connection with the conductor, and the output bus is selectively wound on the periphery of the insulating hollow sliding rail. The invention solves the technical problem that the connecting line of the charging pile is easy to be damaged.
Description
Technical Field
The invention relates to the technical field of new energy automobiles, in particular to a direct current charging pile with a protection function.
Background
The charging pile has the function similar to that of an oiling machine in a gas station, can be fixed on the ground or a wall, is installed in public buildings (public buildings, malls, public parking lots and the like) and residential community parking lots or charging stations, and can charge electric automobiles of various types according to different voltage levels. The input end of the charging pile is directly connected with an alternating current power grid, and the output end of the charging pile is provided with a charging plug for charging the electric automobile. The charging pile generally provides two charging modes of conventional charging and quick charging, people can use a specific charging card to swipe the card on a man-machine interaction operation interface provided by the charging pile for corresponding charging mode, charging time, charge data printing and other operations, and a charging pile display screen can display data of charging quantity, charge, charging time and the like.
The charging pile is generally divided into a direct-current charging pile and an alternating-current charging pile, wherein the vehicle-mounted charger is required to be carried when the alternating-current charging pile is used, and the power of the vehicle-mounted charger of the electric automobile is generally smaller, so that the alternating-current charging pile cannot realize rapid charging. Specifically, the ac charging pile has the following characteristics: the power supply device is fixedly arranged outside the electric automobile and connected with an alternating current power grid to provide alternating current power for the vehicle-mounted charger of the electric automobile. Only provides power output, has no charging function and plays a role in controlling a power supply. The direct current charging pile can provide enough power, the output voltage and current adjustment range is large, and the requirement of quick charging can be realized. Specifically, the direct current fills electric pile has following characteristics: the power supply device is mainly installed in a large charging station, is connected with a power grid in a three-phase four-wire system mode, can provide sufficient electric power, and has a large output voltage and current adjustment range.
From the above, the advantages of the direct current charging pile are more obvious, the output power is higher, and the charging process is faster. But the rifle position ratio of hanging of rifle head of charging is fixed, and the interface position of charging of vehicle is not fixed, specifically, the interface of charging can set up in the afterbody left side or the right side of vehicle, and the parking position of vehicle also has the deviation, leads to charging the rifle head and just can peg graft with the interface of charging probably bypassing the afterbody of vehicle, and the output bus of connecting the rifle head of charging is heavier, and also harder, inconvenient long distance removal, simultaneously, the output bus is too long, exposes easily to be damaged outward for a long time, influences the life and the safety in utilization of charging the stake.
Disclosure of Invention
It is an object of the present invention to solve at least the above problems and to provide at least the advantages to be described later.
The invention aims to provide a direct current charging pile with a protection function, wherein a winding device is arranged at the bottom of the charging pile, an output bus connected with a charging gun head is contracted into the charging pile when the charging pile is idle, and the charging pile is prevented from being damaged when exposed.
To achieve these objects and other advantages and in accordance with the purpose of the invention, there is provided a dc charging pile having a protection function, comprising:
the charging pile comprises a charging pile body, wherein the charging pile body is of a hollow frame structure, insulating plates are longitudinally arranged at the left side and the right side of the hollow frame respectively, a channel is formed in the bottom of the charging pile body in a penetrating manner, a plug seat is arranged on the insulating plate at the first side above the channel, a circular groove is formed in the insulating plate at the periphery of the plug seat, a shaft hole is formed in the insulating plate at the second side above the channel in a penetrating manner, an insulating hollow sliding rail is arranged between the circular groove and the shaft hole, and the insulating hollow sliding rail is rotatably arranged on the insulating plates at the two sides; a conductor which is electrically connected to the power output end of the direct current charging pile is arranged in the insulating hollow sliding rail;
the charging gun head is characterized in that the end head of the charging gun head is connected with an output bus, and a plurality of lines connected with the charging gun head output terminals one by one are arranged in the output bus; the first end of the output bus is connected in the insulating hollow slide rail, and the second end of the output bus penetrates through the channel to be led out outwards and is connected with the charging gun head;
the first end of the output bus penetrates into the insulating hollow sliding rail to be in conductive connection with the conductor, and the output bus selectively winds the periphery of the insulating hollow sliding rail.
Preferably, the insulating plates are positioned on two sides above the channel, and the channel covers the bottom of the hollow frame in the length direction; the socket and the shaft hole are arranged at the bottom of the insulating plate, and the socket and the shaft hole are horizontally and correspondingly arranged.
Preferably, the socket comprises a plurality of butt-joint holes arranged at intervals, the butt-joint holes transversely penetrate through the insulating plate, the butt-joint holes on the socket are conductive butt-joint holes, a gap is reserved between the insulating plate and the outer side wall of the direct-current charging pile, and the power output end of the direct-current charging pile is connected to the conductive butt-joint holes along the gap through a wire.
Preferably, a plurality of conductive sliding bars are arranged between the plug seat and the shaft hole, the conductive sliding bars are positioned in the insulating hollow sliding rail, the first ends of the conductive sliding bars are fixed in the conductive connecting holes, the conductive sliding bars are in conductive connection with the conductive connecting holes, the second ends of the conductive sliding bars are inserted into a rotating seat, the rotating seat is axially limited to rotate in the insulating hollow sliding rail, and the conductive sliding bars are arranged in an insulating manner with the frame of the charging pile body.
Preferably, a sliding head is slidably arranged in the insulating hollow sliding rail, a plurality of conductive through holes transversely penetrate through the sliding head, the conductive sliding rods penetrate through the conductive through holes one by one, so that the sliding head transversely slides on the conductive sliding rods, and the conductive sliding rods are in conductive connection with the conductive through holes at the positions; an adapter is arranged at the bottom of the sliding head and is positioned above the channel; each conductive via is conductively connected to one of the lines within the adapter by a lead, the output bus first end moving laterally with the slider in the channel;
the sliding head is of a cylindrical structure which is arranged in the insulating hollow sliding rail in a sliding mode, an opening is formed in the bottom of the insulating hollow sliding rail in a penetrating mode along the axial direction, the opening corresponds to the channel, the opening covers the bottom of the hollow frame in the length direction, the diameter of the sliding head is smaller than the inner diameter of the insulating hollow sliding rail, the connector is completely located in the insulating hollow sliding rail, and the first end of the output bus connected with the connector is led out from the opening and moves into the channel.
Preferably, each conductive sliding rod is horizontally arranged at intervals, the sliding head is an insulator, and the conductive through hole on the sliding head is in conductive sliding contact with the conductive sliding rod at the position; the rotary seat is provided with a plurality of positioning holes, the positioning holes are in one-to-one correspondence with the butt joint holes, and the conductive sliding rod is arranged between the corresponding positioning holes and the butt joint holes; the rotary seat is of a cylindrical structure, a guide rail groove is formed in the radial outer periphery of the rotary seat, a convex ring is arranged on the inner periphery of the second end of the insulating hollow sliding rail in a protruding mode, and the guide rail groove is rotatably arranged on the convex ring.
Preferably, the conductive connection holes are distributed at intervals in an insulating manner, wherein the first conductive connection hole is connected with the charging communication line s+, the second conductive connection hole is connected with the charging communication line S-, the third conductive connection hole is connected with the charging connection confirmation line CC1, the fourth conductive connection hole is connected with the charging connection confirmation line CC2, the fifth conductive connection hole is connected with the DC power line dc+, the sixth conductive connection hole is connected with the DC power line DC-, the seventh conductive connection hole is connected with the low-voltage auxiliary power line a+, the eighth conductive connection hole is connected with the low-voltage auxiliary power line a-, and the ninth conductive connection hole is connected with the equipment ground line PE.
Preferably, the insulation intervals between the leads are arranged, the first ends of the leads are in conductive connection with the conductive through holes, the second ends of the leads pass through the inside of the sliding head and are in conductive connection with corresponding circuits in the output bus, and the second ends of the leads extend into the connecting head.
Preferably, the conductive through hole is consistent with the conductive connecting hole in structure, and the specific structure of the conductive through hole is as follows:
through holes which transversely penetrate through the sliding head, and the through holes are distributed at intervals;
the conductive pipe wall is composed of two semicircular pipes, the two semicircular pipes are symmetrically arranged in the through hole, the two semicircular pipes are arranged in opposite directions, the two semicircular pipes are radially and movably arranged in the through hole, and the two semicircular pipes are enveloped at the periphery of the conductive sliding rod;
the springs are radially distributed outside the center of the semicircular pipeline, the radially inner ends of the springs are abutted against the center of the outer side wall of the semicircular pipeline, and the springs are in a compressed state.
Preferably, the second end of the insulating hollow sliding rail penetrates through the shaft hole and extends outwards for a certain distance, an inner gear ring is arranged at the inner periphery of the extending end of the insulating hollow sliding rail, a motor is transversely arranged on the frame at the second side, a gear is arranged on an output shaft of the motor, and the gear extends into the second end of the insulating hollow sliding rail and is meshed with the inner gear ring.
Compared with the prior art, the invention has the beneficial effects that:
1. through the revolving device arranged at the bottom of the charging pile, the output bus connected with the charging gun head is contracted into the charging villa when in idle, so that the damage of a connecting line of the charging pile is avoided, the service life and the electricity safety of the charging pile are improved, and meanwhile, the damage caused by rolling of the output bus connected with the charging gun head is effectively avoided;
2. the bottom of the charging pile is provided with conductive slide bars, each conductive slide bar is correspondingly connected with a circuit, and the charging gun head is arranged on the conductive slide bars in a conductive sliding manner through the output bus, so that a convenient and sufficient moving space is provided for the movement of the charging gun head and the output bus thereof;
3. the charging gun hanging resistance of the charging gun head is reduced, the damage of the charging gun head and the charging interface is effectively avoided, and the connection stability of the charging gun head and the charging interface is improved.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic view of a socket;
FIG. 2 is a schematic view of the structure of part A in FIG. 1;
FIG. 3 is a schematic structural view of a conductive slider bar;
FIG. 4 is a schematic view of the mounting structure of the insulated hollow rail;
FIG. 5 is a schematic perspective view of an insulated hollow rail;
FIG. 6 is a schematic diagram of a connection structure of a sliding head and a charging gun head;
FIG. 7 is a schematic view of the structure of the rotary base;
FIG. 8 is a cross-sectional view of a slider;
fig. 9 is a schematic view of the structure of the part B in fig. 8.
Detailed Description
The present invention will be described in further detail below with reference to the drawings so that those skilled in the art can practice the invention by referring to the description.
As shown in fig. 1-9, the present invention provides a dc charging pile with a protection function, the charging pile body 100 is in a hollow frame structure, two sides of the hollow frame are respectively and longitudinally provided with an insulating plate 110, the bottom of the charging pile body 100 is penetrated and provided with a channel 200, the channel 200 is a certain distance from the ground, so as to be convenient for connecting a charging gun head, a first side above the channel 200 is provided with a socket 130 on the insulating plate 110, a second side above the channel 200 is penetrated and provided with a shaft hole on the insulating plate 110, the circular groove 120 is horizontally spaced from the shaft hole, an insulating hollow slide rail 150 is installed between the circular groove 120 and the shaft hole, two ends of the insulating hollow slide rail 150 are penetrated and provided, a first end of the insulating hollow slide rail 150 is rotatably arranged in the circular groove 120, and a second end 152 of the insulating hollow slide rail 150 is penetrated and extended into the frame on the right side, so that the insulating hollow slide rail 150 is rotatably arranged on the insulating plate 110 on two sides. Meanwhile, a conductor electrically connected to the power output end of the dc charging pile is disposed in the insulating hollow slide rail 150, and the conductor is used for sliding and electrically connecting with the charging gun head 300.
The insulating plates 110 are positioned on two sides above the channel 200, and the channel 200 covers the bottom of the hollow frame in the length direction; the socket 130 and the shaft hole are disposed at the bottom of the insulating plate 110, and the socket 130 and the shaft hole are horizontally disposed correspondingly.
The socket 130 includes a plurality of butt-joint holes that the interval was seted up, the butt-joint hole transversely runs through insulation board 110, butt-joint hole on the socket 130 is electrically conductive connecting hole, electrically conductive connecting hole with fill electric pile's output terminal one-to-one, insulation board 110 with reserve a clearance between the lateral wall of direct current fills electric pile, be provided with the clearance in the frame of left side promptly, the power output of direct current fills electric pile is through the wire along the clearance is connected to electrically conductive connecting hole is last.
In this embodiment, the conductive vias are distributed at intervals, where the first conductive via 131 is connected to the charging communication line s+, the second conductive via 132 is connected to the charging communication line S-, the third conductive via 133 is connected to the charging connection confirmation line CC1, the fourth conductive via 134 is connected to the charging connection confirmation line CC2, the fifth conductive via 135 is connected to the DC power line dc+, the sixth conductive via 136 is connected to the DC power line DC-, the seventh conductive via 137 is connected to the low-voltage auxiliary power line a+, the eighth conductive via 138 is connected to the low-voltage auxiliary power line a-, and the ninth conductive via 139 is connected to the equipment ground line PE.
The end of the charging gun head 300 is connected with an output bus 310, and a plurality of lines which are connected with the output terminals of the charging gun head 300 one by one are respectively arranged in the output bus 310; the first end of the output bus 310 is connected to the insulated hollow rail 150, and the second end of the output bus 310 extends through the channel 200, is led out, and is connected to the charging gun head 300. Specifically, the first end of the output bus 310 penetrates through the insulating hollow sliding rail 150 and is in sliding conductive connection with the electrical conductor, and along with the rotation of the insulating hollow sliding rail 150, the output bus 310 selectively winds around the periphery of the insulating hollow sliding rail 150, so that the output bus is contracted into the charging pile, and damage caused by long-term exposure is avoided.
Specifically, a plurality of conductive sliding rods 140 are disposed between the socket 130 and the shaft hole, the conductive sliding rods 140 are located in the insulating hollow sliding rail 150, a first end of each conductive sliding rod 140 is fixed in the conductive connecting hole, the conductive sliding rods 140 are in conductive connection with the conductive connecting hole, a second end of each conductive sliding rod 140 is inserted into a rotating seat 600, and the rotating seats 600 are axially limited to rotate in the insulating hollow sliding rail 150, so that the insulating hollow sliding rail 150 can independently rotate on the periphery of each conductive sliding rod 140, and the conductive sliding rods 140 keep a static state. The conductive sliding bars 140 are arranged in an insulating manner with the frame of the charging pile body 100, and each conductive sliding bar 140 is arranged in an insulating manner at intervals and parallel to the channel 200.
The insulating hollow sliding rail 150 is provided with a sliding head 400 in a sliding manner, the sliding head 400 is transversely penetrated with a plurality of conductive through holes 410, the conductive sliding rods 140 are penetrated through the conductive through holes 410 one by one, so that the sliding head 400 transversely slides on the conductive sliding rods 140, and the conductive sliding rods 140 are electrically connected with the conductive through holes 410 at the positions.
An adaptor 420 is arranged at the bottom of the sliding head 400, and the adaptor 420 is positioned above the channel 200; each of the conductive vias 410 is electrically connected to one of the lines within the adapter 420 by a wire, as shown in fig. 8, with the first end of the output bus 310 moving laterally with the slider 400 in the channel 200.
The sliding head 400 is of a cylindrical structure slidably disposed in the insulating hollow sliding rail 150, an opening 151 is axially formed in the bottom of the insulating hollow sliding rail 150, and in a normal state, the opening 151 corresponds to the channel 200, and the output bus 310 is sequentially led out from the opening 151 and the channel 200 and is connected to the charging gun head 300. The opening 151 covers the bottom of the hollow frame in the length direction, the diameter of the sliding head 400 is smaller than the inner diameter of the insulating hollow sliding rail 150, so that the adaptor 420 is completely located in the insulating hollow sliding rail 150, specifically, the sliding head 400 and the inner side wall of the insulating hollow sliding rail 150 are coaxially spaced, the first end of the output bus 310 connected with the adaptor 420 is led out from the opening 151 and moves in the channel 200 to match with the lateral movement of the second end of the output bus 310.
Each conductive sliding rod 140 is horizontally arranged at intervals, the sliding head 400 is an insulator, and the conductive through hole 410 on the sliding head 400 is in conductive sliding contact with the conductive sliding rod 140 at the position; the rotating seat 600 is provided with a plurality of positioning holes, including a first positioning hole 631 to a ninth positioning hole 639, the positioning holes are in one-to-one correspondence with the docking holes, and the conductive sliding rod 140 is disposed between the corresponding positioning holes and the docking holes.
The rotating seat 600 is of a cylindrical structure, a guide rail groove 610 is formed in the radial outer periphery of the rotating seat 600, a convex ring 154 is convexly arranged at the inner periphery of the second end of the insulating hollow sliding rail 150, the guide rail groove 610 is rotatably arranged on the convex ring 154, so that the rotating seat 600 is axially limited to rotate in the insulating hollow sliding rail 150, the conductive sliding rod 140 and the rotating seat 600 keep static in the insulating hollow sliding rail 150 along with the rotation of the insulating hollow sliding rail 150, the first end of the insulating hollow sliding rail 150 rotates on the circular groove 120, the second end of the insulating hollow sliding rail 150 rotates in the shaft hole, and the insulating hollow sliding rail 150 and the rotating seat 600 rotate relatively.
The first ends of the leads are electrically connected to the conductive through holes 410, and the second ends of the leads are electrically connected to the corresponding lines in the output bus 310 along the inner portion of the sliding head 400 and into the connector 420.
The charging gun head 300 is in sliding conductive contact with the conductive slide rod 140 through the sliding head 400 so as to facilitate the movement of the charging gun head, and the conductive slide rod 140 is connected with the terminals of the power output end of the direct current charging pile in a one-to-one correspondence manner, so that the sliding conductive contact between the charging gun head 300 and the power output end terminals of the direct current charging pile is realized, and the lateral movement of the charging gun head 300 is facilitated.
The conductive through hole 410 is consistent with the conductive via structure, and the specific structure of the conductive through hole 410 is as follows:
the sliding head 400 is transversely penetrated by a plurality of penetrating holes, the penetrating holes are distributed at intervals, and the penetrating holes are arranged in parallel; specifically, the slider 400 is provided with a first through hole 411, a second through hole 412, a third through hole 413, a fourth through hole 414, a fifth through hole 415, a sixth through hole 416, a seventh through hole 417, an eighth through hole 418, and a ninth through hole 419; a conductive sliding rod 140 is inserted in each through hole correspondingly;
the periphery of the through hole is provided with a conductive pipe wall 401, the conductive pipe wall 401 is formed by two semicircular pipes, the two semicircular pipes are symmetrically arranged in the through hole and are oppositely arranged, in particular, the two semicircular pipes are radially and movably arranged in the through hole, and the two semicircular pipes are enveloped at the periphery of the conductive slide bar 140, so that the conductive pipe wall 401 is in sliding conductive contact with the conductive slide bar 140, and the conductive contact between the conductive slide bar 140 and the conductive through hole 410 is realized; the lead wire is connected with the conductive pipe wall 401, so that the conductive slide bar 140 is in conductive connection with the charging gun head 300;
the springs 403 are radially distributed outside the center of the semicircular pipeline, specifically, a concave cavity 402 is radially formed outside the center of the semicircular pipeline, the springs 403 are arranged in the concave cavity 402, the radially inner ends of the springs 403 are abutted against the center of the outer side wall of the semicircular pipeline, and the springs 403 are in a compressed state, so that the conductive pipe wall 401 is always in conductive sliding contact with the conductive sliding rod 140, and poor contact caused by conveying between the conductive pipe wall 401 and the conductive sliding rod 140 is avoided.
Correspondingly, a conductive pipe wall 101 is also arranged in the conductive connecting hole, and is formed by two semicircular pipes, wherein the two semicircular pipes are symmetrically arranged in the conductive connecting hole, the two semicircular pipes are oppositely arranged, the two semicircular pipes are radially and movably arranged in the conductive connecting hole, and the two semicircular pipes are enveloped at the periphery of the first end of the conductive sliding rod 140; the springs 102 are radially distributed outside the center of the semicircular pipeline, specifically, a concave cavity is radially formed outside the center of the semicircular pipeline, the springs 102 are arranged in the concave cavity, the radially inner ends of the springs 102 are abutted against the center of the outer side wall of the semicircular pipeline, and the springs 102 are in a compressed state, so that the conductive pipe wall 101 is always in conductive sliding contact with the first end of the conductive sliding rod 140.
In order to realize the rotation of the insulating hollow slide rail 150, the second end of the insulating hollow slide rail 150 penetrates through the shaft hole and extends outwards for a certain distance, an inner gear ring 153 is arranged at the inner periphery of the extending end of the insulating hollow slide rail 150, a motor 500 is transversely arranged on the frame at the second side, a gear 510 is arranged on an output shaft of the motor 500, the gear 510 stretches into the second end of the insulating hollow slide rail 150 and is meshed with the inner gear ring 153, the insulating hollow slide rail 150 can be controlled to rotate through the motor 500, and the output bus 310 is wound on the insulating hollow slide rail 150, so that the output bus is prevented from being exposed for a long time.
When the insulating hollow slide rail 150 rotates, the conductive slide bar 140 and the sliding head 400 cannot rotate, and the opening 151 is limited by the opening 151, so that the opening 151 is abutted against the output bus 310 connected with the adaptor 420 to drive the output bus 310 to wind around the periphery of the insulating hollow slide rail 150, so that the output bus 310 is contracted into the charging pile, and the output bus 310 is prevented from being exposed. When the charging gun head 300 is required to be used for connection charging, the insulating hollow slide rail 150 is turned over, the output bus 310 is released, after the output bus 310 is released, the opening 151 corresponds to the channel 200, and along with the movement of the charging gun head 300, the slide block 400 transversely moves in the insulating hollow slide rail 150 to match with the transverse movement of the charging gun head 300.
By the aid of the revolving device arranged at the bottom of the charging pile, the output bus connected with the charging gun head is contracted into the charging villa when in idle, so that the connection circuit of the charging pile is prevented from being damaged, the service life of the charging pile is prolonged, the electricity utilization safety is improved, and meanwhile, the output bus connected with the charging gun head is effectively prevented from being damaged due to rolling; meanwhile, the bottom of the charging pile is provided with conductive slide bars, each conductive slide bar is correspondingly connected with a circuit, and the charging gun head is arranged on the conductive slide bars in a conductive sliding manner through the output bus, so that a convenient and sufficient moving space is provided for the movement of the charging gun head and the output bus thereof; and the charging gun hanging resistance of the charging gun head is reduced, the damage of the charging gun head and the charging interface is effectively avoided, and the connection stability of the charging gun head and the charging interface is improved.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the invention would be apparent to those skilled in the art, and accordingly, the invention is not limited to the specific details and illustrations shown and described herein without departing from the general concepts defined in the claims and their equivalents.
Claims (10)
1. Direct current fills electric pile with safeguard function, its characterized in that includes:
the charging pile comprises a charging pile body, wherein the charging pile body is of a hollow frame structure, insulating plates are longitudinally arranged at the left side and the right side of the hollow frame respectively, a channel is formed in the bottom of the charging pile body in a penetrating manner, a plug seat is arranged on the insulating plate at the first side above the channel, a circular groove is formed in the insulating plate at the periphery of the plug seat, a shaft hole is formed in the insulating plate at the second side above the channel in a penetrating manner, an insulating hollow sliding rail is arranged between the circular groove and the shaft hole, and the insulating hollow sliding rail is rotatably arranged on the insulating plates at the two sides; a conductor which is electrically connected to the power output end of the direct current charging pile is arranged in the insulating hollow sliding rail;
the charging gun head is characterized in that the end head of the charging gun head is connected with an output bus, and a plurality of lines connected with the charging gun head output terminals one by one are arranged in the output bus; the first end of the output bus is connected in the insulating hollow slide rail, and the second end of the output bus penetrates through the channel to be led out outwards and is connected with the charging gun head;
the first end of the output bus penetrates into the insulating hollow sliding rail to be in conductive connection with the conductor, and the output bus selectively winds the periphery of the insulating hollow sliding rail.
2. The direct current charging pile with the protection function according to claim 1, wherein the insulating plates are positioned on two sides above the channel, and the channel covers the bottom of the hollow frame in the length direction; the socket and the shaft hole are arranged at the bottom of the insulating plate, and the socket and the shaft hole are horizontally and correspondingly arranged.
3. The direct current charging pile with the protection function according to claim 2, wherein the plug-in base comprises a plurality of butt-joint holes which are arranged at intervals, the butt-joint holes transversely penetrate through the insulating plate, the butt-joint holes on the plug-in base are conductive joint holes, a gap is reserved between the insulating plate and the outer side wall of the direct current charging pile, and the power output end of the direct current charging pile is connected to the conductive joint holes along the gap through a wire.
4. The direct current charging pile with protection function according to claim 3, wherein a plurality of conductive sliding bars are arranged between the plug seat and the shaft hole, the conductive sliding bars are positioned in the insulating hollow sliding rail, a first end of each conductive sliding bar is fixed in the conductive plug hole and is in conductive connection with the conductive plug hole, a second end of each conductive sliding bar is inserted in a rotating seat, the rotating seat is axially limited to rotate in the insulating hollow sliding rail, and the conductive sliding bars are arranged in an insulating manner with the charging pile body frame.
5. The direct current charging pile with the protection function according to claim 4, wherein a sliding head is arranged in the insulating hollow sliding rail in a sliding manner, a plurality of conductive through holes are transversely penetrated through the sliding head, the conductive sliding rods penetrate through the conductive through holes one by one, so that the sliding head transversely slides on the conductive sliding rods, and the conductive sliding rods are in conductive connection with the conductive through holes at the positions; an adapter is arranged at the bottom of the sliding head and is positioned above the channel; each conductive via is conductively connected to one of the lines within the adapter by a lead, the output bus first end moving laterally with the slider in the channel;
the sliding head is of a cylindrical structure which is arranged in the insulating hollow sliding rail in a sliding mode, an opening is formed in the bottom of the insulating hollow sliding rail in a penetrating mode along the axial direction, the opening corresponds to the channel, the opening covers the bottom of the hollow frame in the length direction, the diameter of the sliding head is smaller than the inner diameter of the insulating hollow sliding rail, the connector is completely located in the insulating hollow sliding rail, and the first end of the output bus connected with the connector is led out from the opening and moves into the channel.
6. The direct current charging pile with the protection function according to claim 5, wherein each conductive sliding rod is horizontally arranged at intervals, the sliding head is an insulator, and the conductive through hole on the sliding head is in conductive sliding contact with the conductive sliding rod at the position; the rotary seat is provided with a plurality of positioning holes, the positioning holes are in one-to-one correspondence with the butt joint holes, and the conductive sliding rod is arranged between the corresponding positioning holes and the butt joint holes; the rotary seat is of a cylindrical structure, a guide rail groove is formed in the radial outer periphery of the rotary seat, a convex ring is arranged on the inner periphery of the second end of the insulating hollow sliding rail in a protruding mode, and the guide rail groove is rotatably arranged on the convex ring.
7. The DC charging stake with protection as set forth in claim 6, wherein the conductive vias are insulated and spaced apart, wherein the first conductive via is connected to the charging communication line s+, the second conductive via is connected to the charging communication line S-, the third conductive via is connected to the charging connection confirmation line CC1, the fourth conductive via is connected to the charging connection confirmation line CC2, the fifth conductive via is connected to the DC power line dc+, the sixth conductive via is connected to the DC power line DC-, the seventh conductive via is connected to the low voltage auxiliary power line a+, the eighth conductive via is connected to the low voltage auxiliary power line a-, and the ninth conductive via is connected to the equipment ground line PE.
8. The dc charging stake with protection as set forth in claim 7, wherein each of said leads is disposed in spaced apart relation, said first end of said lead being conductively connected to said conductive via, said second end of said lead being conductively connected to a corresponding line in said output bus along a path through said slider interior to said connector.
9. The direct current charging pile with protection function according to claim 8, wherein the conductive through hole is consistent with the conductive connecting hole in structure, and the specific structure of the conductive through hole is as follows:
through holes which transversely penetrate through the sliding head, and the through holes are distributed at intervals;
the conductive pipe wall is composed of two semicircular pipes, the two semicircular pipes are symmetrically arranged in the through hole, the two semicircular pipes are arranged in opposite directions, the two semicircular pipes are radially and movably arranged in the through hole, and the two semicircular pipes are enveloped at the periphery of the conductive sliding rod;
the springs are radially distributed outside the center of the semicircular pipeline, the radially inner ends of the springs are abutted against the center of the outer side wall of the semicircular pipeline, and the springs are in a compressed state.
10. The dc charging pile with protection function as set forth in claim 9, wherein the second end of the insulating hollow rail penetrates through the shaft hole and extends outwards for a certain distance, an inner gear ring is arranged on the inner circumference of the extending end of the insulating hollow rail, a motor is transversely arranged on the frame on the second side, a gear is arranged on the output shaft of the motor, and the gear extends into the second end of the insulating hollow rail and is meshed with the inner gear ring.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811205321.XA CN109177773B (en) | 2018-10-16 | 2018-10-16 | Direct current fills electric pile with safeguard function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811205321.XA CN109177773B (en) | 2018-10-16 | 2018-10-16 | Direct current fills electric pile with safeguard function |
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| CN109177773A CN109177773A (en) | 2019-01-11 |
| CN109177773B true CN109177773B (en) | 2023-09-29 |
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| CN109177773A (en) | 2019-01-11 |
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