CN113113806B - Plug-in type charging gun with separation structure, charging pile with same and charging method - Google Patents

Plug-in type charging gun with separation structure, charging pile with same and charging method Download PDF

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Publication number
CN113113806B
CN113113806B CN202110412013.XA CN202110412013A CN113113806B CN 113113806 B CN113113806 B CN 113113806B CN 202110412013 A CN202110412013 A CN 202110412013A CN 113113806 B CN113113806 B CN 113113806B
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China
Prior art keywords
charging
block
plug
locking
charges
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CN113113806A (en
Inventor
赵孝军
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Workersbee Electronic Technology Holding Co ltd
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Workersbee Electronic Technology Holding Co ltd
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/14—Conductive energy transfer
    • B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30—Constructional details of charging stations
    • B60L53/31—Charging columns specially adapted for electric vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—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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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

The invention discloses a plug-in type separate structure charging gun, which relates to the technical field of charging piles and comprises the following components: the rifle body charges, charging plug, lock group. Promote charging plug and the rifle body that charges and fold, make charging plug's connector insert to the rifle body conductive interface back that charges, the locking piece that sets up in the charging plug locking group this moment inserts to the rifle body ladder mouth that charges in, not only make the locking piece open to fix in the ladder mouth by promoting the rotatory rectangular piece in the locking group, and rotatory rectangular piece also can take place to rotate in the head end department in "T" type groove, be restricted in the head end department in "T" type groove, fix charging plug and the rifle that charges. On the one hand because the setting of lock group is in charging plug department, consequently when charging plug by fill electric pile hold fixed back, can avoid the maliciousness dismantlement to the rifle that charges, on the other hand only need dismantle it by the rifle body that charges after charging plug damages, the charging plug who updates can, need not to change whole rifle that charges.

Description

Plug-in type charging gun with separation structure, charging pile with same and charging method
Technical Field
The invention relates to the technical field of charging piles, in particular to a charging gun with a plug-in type separation structure.
Background
With the continuous improvement of energy-saving consciousness of people and the continuous progress of science and technology, electric automobiles and hybrid automobiles are developed greatly. Electric automobile or mixed automobile accessible motor drive car travel, and the power supply of motor comes to be provided with the group battery of large capacity in the car, when the group battery electric quantity is not enough, just needs to charge it.
At present, under the promotion of governments and electric vehicle enterprises of various countries, a plurality of electric vehicle charging stations are built to perform charging service for electric vehicles. These charging stations adopt the rifle that charges to the electric motor car basically, but current rifle that charges because self is not enough, the plug part of rifle that charges appears ageing, damage problem easily. The cause of this problem is mainly due to the following reasons:
1. in order to shorten the charging time, the charging gun adopts large-current charging, and when the current is overlarge, the conductive contact part of the plug part in the charging process easily generates a large amount of heat energy, so that after the charging gun is used for a period of time, the plastic material of the plug part of the charging gun is easily aged and damaged, potential safety hazards are generated, and the charging gun needs to be replaced.
2. Along with the increase of the popularity of electric motor car, the rifle frequency of use that charges at every charging potential increases, and the rifle that charges frequently carries out the plug with the charging socket of electric motor car, causes the harm to the plug position of rifle that charges easily, so when the rifle that charges uses after a period, also must change the rifle that charges.
From top to bottom, charge in the rifle with the electric motor car charging socket complex plug be easy damage, but because in current product, the plug adopts integrative the fixed connection who sets up or lock dead structure with the rifle that charges, when the plug position damage back, can only change whole rifle that charges, just so cause very big waste, current rifle that charges can't satisfy the market demand.
Disclosure of Invention
One of the purposes of the invention is to solve the problem that the whole charging gun can only be replaced after the plug part of the charging gun is damaged due to the fact that the charging gun in the prior art is fixedly connected by adopting an integrated arrangement or a locking structure.
The invention also aims to provide a charging pile with a plug-in type charging gun with a separation structure.
The third objective of the present invention is to provide a plug-in method.
In order to achieve one of the purposes, the invention adopts the following technical scheme: a plug-in type disconnect structure rifle that charges, wherein includes: the rifle body charges, charging plug, lock group.
The charging gun body has: butt joint interface, conductive plug group, shoulder hole. The conductive plug set is arranged in the butt joint port, and the conductive plug set is provided with a conductive interface. The stepped port is arranged on the interface side.
The charging plug is used for connecting the charging gun body, and the charging plug is provided with: interface, the joint that charges, connector charge. The charging connector is arranged in the charging port and used for being connected with a socket of a new energy automobile to charge. The connector with the joint that charges links to each other, the connector with electrically conductive group of inserting electrically conductive interface cooperatees.
The lock group is installed on the charging plug, and the lock group is provided with: the rotary long block, the transmission rod and the locking block. Rotatory rectangular piece slidable mounting be in charging plug's "T" type groove, rotatory rectangular piece comprises upper and lower two independent block laminating, rotatory rectangular piece will two through the pivot independent block swing joint together, the pivot with be equipped with the power storage spring between the rotatory rectangular piece. The transmission rod is connected with the rotary strip block.
The locking piece movable mounting be in the upper and lower position of the tail end of transfer line, the transfer line with be equipped with adjusting spring between the locking piece, two length between the locking piece is greater than the aperture on shoulder hole right side is and be less than the left aperture of shoulder hole, adjust the locking piece left end with the opposite face of tail end is equipped with the inclined plane of laminating each other, the locking piece left end has the bayonet socket, both sides are equipped with about the tail end with bayonet socket matched with is spacing mouthful.
In the above technical solution, before charging, the charging gun body or the charging plug is pushed, so that the connector of the charging plug corresponds to the conductive interface of the charging gun body, and simultaneously, the tail end of the transmission rod and the lock block on the left side of the lock set on the charging plug extend into the stepped hole of the charging gun body.
When the locking piece got into shoulder hole right side position, because of the length between two locking pieces is greater than the aperture on shoulder hole right side, consequently under the extrusion of shoulder hole, the locking piece compressed adjusting spring earlier and draws close to the transfer line for length between two locking pieces suits with the aperture on shoulder hole right side, and then makes the locking piece pass shoulder hole right side position and gets into the left side position, and adjusting spring promotes the locking piece and resets this moment.
When the locking block passes through the right position of the stepped hole and enters the left position, the connector is inserted into the conductive interface for electrical connection, then the rotating long strip block of the lock group is pushed to slide along the T-shaped groove, the rotating long strip block drives the transmission rod and the locking block to move rightwards when sliding, in the moving process, the locking block is blocked by the wall surface at the right end of the stepped hole, the inclined surface at the tail end of the transmission rod pushes the locking block to move and open towards two sides, the contact area between the locking block and the wall surface at the right end of the stepped hole is increased until the bayonet at the left end of the locking block is clamped with the limiting opening at the tail end of the transmission rod, at the moment, the rotating strip block slides into the head end of the T-shaped groove, under the action of the power storage spring in the rotating long block, the independent block body above the rotating long block rotates, make independent block by the head end department in "T" type groove, and then make the fixed connection of rifle body and the completion plug-in type of charging plug of charging.
Further, in the embodiment of the present invention, the rotating strip block is slidably installed at the tail end of the "T" groove, and the arc of rotation of the independent block above the rotating strip block is greater than the width of the head end of the "T" groove, so that the independent block above the rotating strip block can rotate at the head end of the "T" groove.
Furthermore, in the embodiment of the present invention, the independent block above the rotating long block is in an elongated shape, and the length of the elongated independent block is greater than the width of the tail end of the "T" shaped groove.
Furthermore, in the embodiment of the invention, the width of the independent blocks in the long strip shape is matched with the width of the tail end of the T-shaped groove.
Further, in the embodiment of the present invention, the transmission rod is fixedly connected to the independent block below the rotating long block.
Further, in the embodiment of the present invention, the locking piece is located in the groove at the tail end of the transmission rod, and the transverse length of the groove is greater than that of the locking piece.
Further, in the embodiment of the present invention, an overheat power-off mechanism is disposed in the charging gun body, the overheat power-off mechanism has a connecting seat, the connecting seat is connected to the conductive plug set, an expanded metal is disposed in a notch on the left side of the connecting seat, an elastic insulating layer is coated on the outer surface of the expanded metal, a limiting hole is disposed in the center of the expanded metal, a cable connector is inserted into the left side of the connecting seat, the cable connector is connected to a cable of the charging pile, and the cable connector abuts against the elastic insulating layer.
The overheated outage mechanism still has the guide block, the guide block has the inclined end face, the guide block stretch into to in the spacing hole of expanded metal, the guide block is connected with the shutoff piece, the shutoff piece is sealed the air vent of rifle body charges, the shutoff piece is connected with reset spring, the air vent intercommunication has the louvre, the louvre is linked together with the external world.
Because the power is great when the car charges, but traditional car rifle that charges does not have the temperature protect function, when charging, charge rifle head part if the trouble appears, or during frequent use under the higher condition of temperature, to a great extent all can arouse the rifle head to generate heat, nevertheless because do not have the temperature detection function, can't carry out the outage by oneself and handle, the heat gathering more and more will cause the condition that fills electric pile and charging plug and appear the short circuit, cause the injury to car battery easily, the plastics that make the rifle head are heated and warp, can't extract, serious can lead to the conflagration even, though traditional car rifle can cut off the power supply by oneself after the completion of charging, but the inside conductor still is connected, still can the power loss, and when producing the overvoltage in the circuit, still can cause the damage to car battery.
Consequently, when charging plug and the rifle body that charges are overheated, the inflation metal can thermal deformation, and the volume grow to promote the cable joint and keep away from the connecting seat, make cable joint and connecting seat break away from each other, realized the outage by oneself under high temperature state, and after the temperature decline, the inflation metal cooling diminishes, makes cable joint and connecting seat reconnection under the spring action. In this way, the temperature of the charging plug and the charging gun body is prevented from further increasing, and damage is avoided.
And can extrude the guide block slope terminal surface in its spacing hole at the metal thermal deformation in-process that expands, promote the guide block through the extrusion and drive the shutoff piece side and move for the intercommunication of air vent and the rifle body inner space that charges is opened to the shutoff piece, makes the inside hot-air of rifle body that charges run out from the air vent of the rifle body both sides of charging, discharges by the louvre again and dispels the heat. The realization is to the cooling of the temperature of charging plug and the rifle body that charges, avoids charging plug and the rifle body that charges to harm under high temperature environment.
The invention has the beneficial effects that:
according to the invention, the charging plug and the charging gun body are folded by pushing, so that the connector of the charging plug is inserted into the conductive interface of the charging gun body to be electrically connected, at the moment, the locking block arranged in the locking group of the charging plug is inserted into the stepped opening of the charging gun body, the locking block is pushed to be opened and fixed in the stepped opening by pushing the rotary long block in the locking group, and the rotary long block can also rotate at the head end of the T-shaped groove and is limited at the head end of the T-shaped groove, so that the charging plug and the charging gun are fixed. On the one hand, because the setting of lock group is in charging plug department, consequently the charging plug when the rifle that charges is held into fixed back by charging pile, can avoid the maliciously dismantlement to the rifle that charges, on the other hand charging rifle body and charging plug form detachable plug-in type connection under the effect of lock group, only need dismantle it by the rifle body that charges after charging plug damages, the charging plug who updates can, need not to change whole rifle that charges.
In order to achieve the second purpose, the invention adopts the following technical scheme: a charging pile is provided, wherein, the plug-in type separation structure charging gun of any one of the above-mentioned objects of the invention.
Further, in the embodiment of the invention, a rain baffle is arranged at the upper end of the charging pile, a groove-shaped structure for containing rainwater is arranged at the upper end of the rain baffle, a water outlet is communicated with the side end of the groove-shaped structure, and a lamp group is arranged at the lower end of the rain baffle.
Further, in the embodiment of the present invention, a cable is connected between the plug-in separation structure charging gun and the charging pile.
In order to achieve the third purpose, the invention adopts the following technical scheme that a plug-in type method is applied to the plug-in type charging gun with a separation structure, wherein the plug-in type charging gun comprises the following steps:
before charging, the charging gun body or the charging plug is pushed, so that a connector of the charging plug corresponds to a conductive interface of the charging gun body, and meanwhile, the tail end of a transmission rod on the left side of a lock group on the charging plug and a lock block extend into a stepped hole of the charging gun body;
when the locking blocks enter the right side position of the stepped hole, the length between the two locking blocks is larger than the aperture on the right side of the stepped hole, so that under the extrusion of the stepped hole, the locking blocks firstly compress the adjusting spring to approach the transmission rod, the length between the two locking blocks is matched with the aperture on the right side of the stepped hole, the locking blocks further penetrate through the right side position of the stepped hole to enter the left side position, and the adjusting spring pushes the locking blocks to reset at the moment;
when the locking block passes through the right position of the stepped hole and enters the left position, the connector is inserted into the conductive interface for electrical connection, then the rotating long strip block of the lock set is pushed to slide along the T-shaped groove, the rotating long strip block drives the transmission rod and the locking block to move rightwards when sliding, in the moving process, the locking block is blocked by the wall surface at the right end of the stepped hole, the inclined surface at the tail end of the transmission rod pushes the locking block to move and expand towards two sides, the contact area between the locking block and the wall surface at the right end of the stepped hole is increased until the bayonet at the left end of the locking block is clamped with the limiting port at the tail end of the transmission rod, at the moment, the rotating long strip block slides into the head end of the T-shaped groove, under the action of the force-accumulating spring in the rotating long block, the independent block body above the rotating long block rotates, make independent block by the head end department of being restricted in "T" type groove, and then make the rifle body that charges and the fixed connection of charging plug completion plug-in type.
Further, in the embodiment of the invention, when the charging plug and the charging gun body are overheated, the expansion metal is deformed by heat, the volume is increased, the cable connector is pushed to be away from the connecting seat, the cable connector and the connecting seat are separated from each other, the automatic power off in a high-temperature state is realized, when the temperature is reduced, the expansion metal is cooled to be reduced, the cable connector and the connecting seat are reconnected under the action of the spring, the inclined end face of the guide block in the limiting hole of the expansion metal is extruded in the thermal deformation process, the guide block is pushed by extrusion to drive the blocking block to move laterally, the blocking block opens the communication between the vent hole and the inner space of the charging gun body, and hot air in the charging gun body is discharged from the vent holes on the two sides of the charging gun body and then is discharged from the heat dissipation holes to dissipate heat.
Drawings
Fig. 1 is a schematic plan view of a charging gun and a charging pile with a plug-in separation structure according to an embodiment of the present invention.
Fig. 2 is a schematic plan view of a plug-in separation structure charging gun according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of a plug-in separation structure charging gun according to an embodiment of the present invention.
Fig. 4 is a partially enlarged view a of fig. 3.
Fig. 5 is a top view of a partial detail of a charging plug according to an embodiment of the invention.
Fig. 6 is a schematic view illustrating a first installation effect of the plug-in separation structure charging gun according to the embodiment of the present invention.
Fig. 7 is a schematic diagram illustrating a second installation effect of the plug-in separation structure charging gun according to the embodiment of the invention.
Fig. 8 is a schematic view illustrating a third installation effect of the plug-in separation structure charging gun according to the embodiment of the present invention.
Fig. 9 is a schematic diagram illustrating a partial motion effect of a top view of a charging plug according to an embodiment of the invention.
Fig. 10 is a partially enlarged view B of fig. 3.
Fig. 11 is a schematic top view of the overheat breaking mechanism according to the embodiment of the present invention.
Fig. 12 is a schematic diagram illustrating a top view motion effect of the overheat breaking mechanism according to the embodiment of the present invention.
In the attached drawings
100. Charging pile 101, rain shield 102 and lamp group
110. Cable with a protective layer
10. Charging gun body 11, butt joint port 12 and conductive plug group
13. Conductive interface 14, stepped hole
20. Charging plug 21, charging port 22, charging connector
23. Connector 24, T-shaped groove
30. Lock set 31, rotary long block 32, rotary shaft
33. Drive rod 34, locking piece 35, adjusting spring
36. Tail end of the tube
40. Overheat interrupting mechanism 41, connecting seat 42, expanded metal
43. Elastic insulating layer 44, limiting hole 45 and cable connector
46. Guide block 47, plugging block 48 and vent hole
49. Heat dissipation hole
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention are further described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of some embodiments of the invention and are not limiting of the invention, and that all other embodiments obtained by those of ordinary skill in the art without the exercise of inventive faculty are within the scope of the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "a," "an," "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
For the purposes of simplicity and explanation, the principles of the embodiments are described by referring mainly to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. But it is obvious. To one of ordinary skill in the art, the embodiments may be practiced without limitation to these specific details. In some instances, well-known plug-in methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.
The first embodiment is as follows:
a plug-in separation structure charging gun, wherein, as shown in fig. 1-4, comprising: charging gun body 10, charging plug 20, lock group 30.
As shown in fig. 3, the charging gun body 10 includes: a butt joint port 11, a conductive plug 12 and a stepped hole 14. A conductive plug 12 is provided in the docking port 11, and the conductive plug 12 is mounted with a conductive port 13. The stepped port is provided on the docking port 11 side.
The charging plug 20 is used for connecting the charging gun body 10, and the charging plug 20 includes: charging port 21, charging connector 22, connector 23. The charging connector 22 is provided in the charging port 21, and the charging connector 22 is used for being connected to a socket of a new energy automobile to perform charging. The connector 23 is connected to the charging connector 22, and the connector 23 is matched with the conductive interface 13 of the conductive plug 12.
As shown in fig. 3, 4 and 5, a lock group 30 is mounted on the charging plug 20, and the lock group 30 has: rotating long block 31, driving rod 33 and locking block 34. The rotating long block 31 is slidably mounted in the T-shaped groove 24 of the charging plug 20, the rotating long block 31 is formed by attaching an upper block and a lower block, the two blocks are movably connected together by the rotating long block 31 through a rotating shaft 32, and a power storage spring is arranged between the rotating shaft 32 and the rotating long block 31. The transmission rod 33 is connected to the rotating bar 31.
The locking piece 34 is movably mounted at the upper and lower positions of the tail end 36 of the transmission rod 33, an adjusting spring 35 is arranged between the transmission rod 33 and the locking piece 34, the length between the two locking pieces 34 is larger than the aperture on the right side of the stepped hole 14 and smaller than the aperture on the left side of the stepped hole 14, the opposite surfaces of the left end of the adjusting locking piece 34 and the tail end 36 are provided with inclined surfaces which are mutually attached, the left end of the locking piece 34 is provided with a bayonet, and the upper side and the lower side of the tail end 36 are provided with limiting ports matched with the bayonet.
The implementation steps are as follows:
before charging, the charging gun body 10 or the charging plug 20 is pushed, so that the connector 23 of the charging plug 20 corresponds to the conductive interface 13 of the charging gun body 10, and simultaneously, the tail end 36 and the lock block 34 of the transmission rod 33 on the left side of the lock set 30 on the charging plug 20 extend into the stepped hole 14 of the charging gun body 10.
As shown in fig. 6 and 7, when the locking piece 34 enters the right position of the stepped hole 14, because the length between the two locking pieces 34 is greater than the aperture on the right side of the stepped hole 14, under the extrusion of the stepped hole 14, the locking piece 34 first compresses the adjusting spring 35 to approach the transmission rod 33, so that the length between the two locking pieces 34 is adapted to the aperture on the right side of the stepped hole 14, and then the locking piece 34 passes through the right position of the stepped hole 14 to enter the left position, and at this time, the adjusting spring 35 pushes the locking piece 34 to reset.
When the locking block 34 passes through the right position of the stepped hole 14 to enter the left position, the connector 23 is inserted into the conductive interface 13 for electrical connection, and then as shown in fig. 8, the rotating long block 31 of the lock set 30 is pushed to slide along the "T" shaped groove 24, the rotating long block 31 drives the transmission rod 33 and the locking block 34 to move rightward while sliding, during the moving process, the locking block 34 is blocked by the wall surface at the right end of the stepped hole 14, the inclined surface at the tail end 36 of the transmission rod 33 pushes the locking block 34 to move to both sides and expand, so as to increase the contact area with the wall surface at the right end of the stepped hole 14, until the bayonet at the left end of the locking block 34 is clamped with the limiting port at the tail end 36 of the transmission rod 33, at this time, as shown in fig. 9, the rotating long block 31 slides into the head end of the "T" shaped groove 24, under the action of the power storage spring in the rotating long block 31, the independent block above the rotating long block 31 rotates, so that the independent block is limited at the head end of the "T" shaped groove 24, thereby the charging gun body 10 and the charging plug 20 are fixedly connected in a plug-in manner.
According to the invention, by pushing the charging plug 20 to fold with the charging gun body 10, after the connector 23 of the charging plug 20 is inserted into the conductive interface 13 of the charging gun body 10 to be electrically connected, at the moment, the locking block 34 arranged in the locking group 30 on the charging plug 20 is inserted into the stepped opening of the charging gun body 10, by pushing the rotary long block 31 in the locking group 30, not only is the locking block 34 pushed to be opened and fixed in the stepped opening, but also the rotary long block 31 can rotate at the head end of the T-shaped groove 24 and is limited at the head end of the T-shaped groove 24, so that the charging plug 20 and the charging gun are fixed. On the one hand, because the setting of lock group 30 is in charging plug 20 department, consequently the charging plug 20 when the rifle that charges is held into fixed back by charging pile 100, can avoid the maliciously dismantlement to the rifle that charges, on the other hand charging rifle body 10 and charging plug 20 form detachable plug-in type connection under the effect of lock group 30, only need dismantle it by the rifle body 10 that charges after charging plug 20 damages, more renew charging plug 20 can, need not to change whole charging rifle.
As shown in fig. 4 and 5, the rotating long block 31 is slidably installed at the tail end 36 of the "T" groove 24, and the arc of rotation of the independent block above the rotating long block 31 is greater than the width of the head end of the "T" groove 24, so that the independent block above the rotating long block 31 can rotate at the head end of the "T" groove 24.
The independent block above the rotating long block 31 is in a long strip shape, and the length of the independent block in the long strip shape is larger than the width of the tail end 36 of the T-shaped groove 24.
The width of the strip-shaped independent block is matched with the width of the tail end 36 of the T-shaped groove 24. The transmission rod 33 is fixedly connected with a separate block below the rotating bar block 31. The locking piece 34 is located in a groove at the rear end 36 of the driving rod 33, the transverse length of the groove being greater than the transverse length of the locking piece 34.
Example two:
a plug-in type charging gun with a separation structure has the same characteristic structure as that of the first embodiment, wherein, as shown in fig. 10, an overheating power-off mechanism 40 is arranged in a charging gun body 10, the overheating power-off mechanism 40 is provided with a connecting seat 41, the connecting seat 41 is connected with a conductive plug group 12, an expansion metal 42 is arranged in a notch on the left side of the connecting seat 41, the outer surface of the expansion metal 42 is coated with an elastic insulating layer 43, a limiting hole 44 is arranged in the center of the expansion metal 42, a cable joint 45 is plugged on the left side of the connection, the cable joint 45 is connected with a cable 110 of a charging pile 100, and the cable joint 45 abuts against the elastic insulating layer 43.
As shown in fig. 11, the overheating power-off mechanism 40 further includes a guide block 46, the guide block 46 has an inclined end surface, the guide block 46 extends into the limiting hole 44 of the expansion metal 42, the guide block 46 is connected with a blocking block 47, the blocking block 47 seals the vent hole 78 of the charging gun body 10, the blocking block 47 is connected with a return spring, the vent hole 78 is communicated with a heat dissipation hole 49, and the heat dissipation hole 49 is communicated with the outside.
Because the power is great when the car charges, but traditional car rifle that charges does not have the temperature protect function, when charging, if the rifle head part that charges breaks down, or during frequent use under the higher condition of temperature, to a great extent all can arouses the rifle head to generate heat, nevertheless because do not have the temperature to detect the function, can't carry out the outage by oneself and handle, the heat gathering more and more will cause the condition that fills electric pile 100 and charging plug 20 and appear the short circuit, cause the injury to car battery easily, the plastics that make the rifle head are heated and are out of shape, can't extract, serious can lead to the conflagration even, though traditional car rifle can cut off the power supply by oneself after the completion of charging, but the internal conductor still is connected, still can the power loss, and when producing the overvoltage in the circuit, still can cause the damage to car battery.
Therefore, when charging plug 20 and the overheated time of rifle body 10 that charges, inflation metal 42 can be thermal deformation, and the volume grow to promote cable joint 45 and keep away from connecting seat 41, make cable joint 45 and connecting seat 41 break away from each other, realized the outage by oneself under the high temperature condition, and after the temperature decline, inflation metal 42 cooling diminishes, makes cable joint 45 and connecting seat 41 reconnection under the spring action. In this way, further increase in temperature of the charging plug 20 and the charging gun body 10, which may cause damage, is advantageously avoided.
As shown in fig. 12, the inclined end face of the guide block 46 in the limiting hole 44 of the expansion metal 42 is pressed in the thermal deformation process, the guide block 46 is pushed by pressing to drive the blocking block 47 to move laterally, so that the blocking block 47 opens the communication between the vent holes 78 and the internal space of the charging gun body 10, the hot air inside the charging gun body 10 runs out of the vent holes 78 on the two sides of the charging gun body 10, and the hot air is discharged from the heat dissipation holes 49 to dissipate heat. The temperature of charging plug 20 and rifle body 10 that charges is lowered to the realization, avoids charging plug 20 and rifle body 10 that charges to harm under high temperature environment.
Example three:
a charging pile 100, wherein, as shown in fig. 1, a charging gun with a plug-in separation structure according to any one of the first or second embodiments is provided.
Fill electric pile 100 upper end and have weather shield 101, weather shield 101 upper end is equipped with the trough-shaped structure that holds the rainwater, and this trough-shaped structure side intercommunication has the outlet, and when raining, the rainwater can be collected to the trough-shaped structure, avoids the direct landing of rainwater non-directional, and the rethread sets up the outlet, is favorable to leading-in the position that the user often stands and/or fills the better position of electric pile 100 rain-proof structure with the rainwater that the trough-shaped structure was collected.
The lower end of the rain shield 101 is provided with a lamp set 102 for use in a dark environment.
A cable 110 is connected between the plug-in separation structure charging gun and the charging pile 100.
Example four:
a plug-in type method is applied to the plug-in type separation structure charging gun in the first embodiment or the second embodiment, and comprises the following steps:
before charging, the charging gun body 10 or the charging plug 20 is pushed, so that the connector 23 of the charging plug 20 corresponds to the conductive interface 13 of the charging gun body 10, and simultaneously, the tail end 36 and the lock block 34 of the transmission rod 33 on the left side of the lock group 30 on the charging plug 20 extend into the stepped hole 14 of the charging gun body 10;
when the locking block 34 enters the right position of the stepped hole 14, because the length between the two locking blocks 34 is greater than the aperture of the right side of the stepped hole 14, under the extrusion of the stepped hole 14, the locking block 34 firstly compresses the adjusting spring 35 to approach the transmission rod 33, so that the length between the two locking blocks 34 is adapted to the aperture of the right side of the stepped hole 14, the locking block 34 further passes through the right position of the stepped hole 14 to enter the left position, and at the moment, the adjusting spring 35 pushes the locking block 34 to reset;
when the locking block 34 passes through the right position of the stepped hole 14 and enters the left position, the connector 23 is inserted into the conductive interface 13 for electrical connection, then the rotating long block 31 of the lock set 30 is pushed to slide along the T-shaped groove 24, the rotating long block 31 drives the transmission rod 33 and the locking block 34 to move rightwards while sliding, in the moving process, the locking block 34 is blocked by the wall surface at the right end of the stepped hole 14, the inclined surface at the tail end 36 of the transmission rod 33 pushes the locking block 34 to move towards two sides and expand, the contact area with the wall surface at the right end of the stepped hole 14 is increased until the bayonet at the left end of the locking block 34 is clamped with the limiting notch at the tail end 36 of the transmission rod 33, at the moment, the rotating long block 31 slides into the head end of the T-shaped groove 24, under the action of the power storage spring in the rotating long block 31, the independent block above the rotating long block 31 rotates, so that the independent block is limited at the head end of the T-shaped groove 24, thereby the charging gun body 10 and the charging plug 20 are fixedly connected in a plug-in manner.
After charging plug 20 and rifle body 10 overheat, inflation metal 42 can thermal deformation, the volume grow, thereby promote cable joint 45 and keep away from connecting seat 41, make cable joint 45 and connecting seat 41 break away from each other, realized the outage by oneself under the high temperature condition, and after the temperature descends, inflation metal 42 cooling diminishes, make cable joint 45 and connecting seat 41 reconnect under the spring action, and can extrude the guide block 46 slope terminal surface in its spacing hole 44 at inflation metal 42 thermal deformation in-process, promote guide block 46 through the extrusion and drive the lateral shifting of blocking piece 47, make blocking piece 47 open the intercommunication of air vent 78 and rifle body 10 inner space that charges, make the inside hot-air of rifle body 10 that charges run out from the air vent 78 of rifle body 10 both sides, discharge by 49 louvres again and dispel the heat.
Although the illustrative embodiments of the present invention have been described above to enable those skilled in the art to understand the present invention, the present invention is not limited to the scope of the embodiments, and it is apparent to those skilled in the art that all the inventive concepts using the present invention are protected as long as they can be changed within the spirit and scope of the present invention as defined and defined by the appended claims.

Claims (7)

1. A plug-in type disconnect structure rifle that charges, wherein includes:
the rifle body charges, the rifle body that charges has:
a butt joint port;
the conductive plug set is arranged in the butt joint port, and a conductive interface is installed on the conductive plug set;
a stepped hole provided on the interface side;
a charging plug for connecting the charging gun body, the charging plug having:
a charging port;
the charging connector is arranged in the charging interface and is used for being connected with a socket of the new energy automobile so as to charge;
the connector is connected with the charging connector and matched with the conductive interface of the conductive plug group;
a lock set mounted on the charging plug, the lock set having:
the charging plug comprises a charging plug, a rotating long strip block, a rotating spring and a power storage spring, wherein the rotating long strip block is slidably mounted in a T-shaped groove of the charging plug and is formed by attaching an upper independent block body and a lower independent block body;
the transmission rod is connected with the rotating long strip block;
the locking piece is movably arranged at the upper position and the lower position of the tail end of the transmission rod, an adjusting spring is arranged between the transmission rod and the locking piece, the length between the two locking pieces is larger than the aperture on the right side of the stepped hole and smaller than the aperture on the left side of the stepped hole, opposite surfaces of the left end of the locking piece and the tail end are adjusted to be provided with mutually-fitted inclined surfaces, the left end of the locking piece is provided with a bayonet, and the upper side and the lower side of the tail end are provided with limit ports matched with the bayonet;
the rotating strip block is slidably mounted at the tail end of the T-shaped groove, and the rotating radian of the independent block above the rotating strip block is larger than the width of the head end of the T-shaped groove, so that the independent block above the rotating strip block can rotate at the head end of the T-shaped groove;
the independent block body above the rotating long strip block is in a long strip shape, and the length of the long strip-shaped independent block body is greater than the width of the tail end of the T-shaped groove;
the width of the strip-shaped independent block body is adapted to the width of the tail end of the T-shaped groove;
the transmission rod is fixedly connected with the independent block body below the rotary long block;
the locking piece is positioned in the tail end groove of the transmission rod, and the transverse length of the groove is greater than that of the locking piece.
2. A charging pile, wherein the plug-in separation structure charging gun of claim 1 is provided.
3. The charging pile according to claim 2, wherein a rain baffle is arranged at the upper end of the charging pile, a groove-shaped structure for containing rainwater is arranged at the upper end of the rain baffle, a water outlet is communicated with the side end of the groove-shaped structure, and a lamp bank is arranged at the lower end of the rain baffle.
4. The charging pile according to claim 2, wherein a cable is connected between the plug-in separation structure charging gun and the charging pile.
5. A plugging method applied to the plug-in separation structure charging gun of claim 1, wherein the method comprises the following steps:
before charging, the charging gun body or the charging plug is pushed, so that a connector of the charging plug corresponds to a conductive interface of the charging gun body, and meanwhile, the tail end of a transmission rod on the left side of a lock group on the charging plug and a lock block extend into a stepped hole of the charging gun body;
when the locking blocks enter the right side position of the stepped hole, the length between the two locking blocks is larger than the aperture on the right side of the stepped hole, so that under the extrusion of the stepped hole, the locking blocks firstly compress the adjusting spring to approach the transmission rod, the length between the two locking blocks is matched with the aperture on the right side of the stepped hole, the locking blocks further penetrate through the right side position of the stepped hole to enter the left side position, and the adjusting spring pushes the locking blocks to reset at the moment;
when the locking block passes through the right position of the stepped hole and enters the left position, the connector is inserted into the conductive interface for electrical connection, then the rotating long strip block of the lock group is pushed to slide along the T-shaped groove, the rotating long strip block drives the transmission rod and the locking block to move rightwards when sliding, in the moving process, the locking block is blocked by the wall surface at the right end of the stepped hole, the inclined surface at the tail end of the transmission rod pushes the locking block to move and open towards two sides, the contact area between the locking block and the wall surface at the right end of the stepped hole is increased until the bayonet at the left end of the locking block is clamped with the limiting opening at the tail end of the transmission rod, at the moment, the rotating strip block slides into the head end of the T-shaped groove, under the action of the force-accumulating spring in the rotating long block, the independent block body above the rotating long block rotates, make independent block by the head end department in "T" type groove, and then make the fixed connection of rifle body and the completion plug-in type of charging plug of charging.
6. The plugging method according to claim 5, wherein when the charging plug and the charging gun body are overheated, the expansion metal is deformed by heat, the volume of the expansion metal is increased, the cable connector is pushed away from the connecting seat, the cable connector and the connecting seat are separated from each other, the self-power-off in a high-temperature state is realized, and when the temperature is reduced, the expansion metal is cooled down, so that the cable connector and the connecting seat are reconnected under the action of the spring, and in this way, the further temperature rise of the charging plug and the charging gun body is favorably avoided, and the damage is caused.
7. The plugging method according to claim 6, wherein the expanded metal is deformed by heat and pushes the inclined end surface of the guide block in the limiting hole, the guide block is pushed by the pushing to drive the blocking block to move laterally, so that the blocking block opens the communication between the vent hole and the internal space of the charging gun body, and the hot air in the charging gun body is discharged from the vent holes at the two sides of the charging gun body and then discharged from the heat dissipation hole for heat dissipation.
CN202110412013.XA 2021-04-16 2021-04-16 Plug-in type charging gun with separation structure, charging pile with same and charging method Active CN113113806B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113851889B (en) * 2021-10-29 2023-07-18 重庆交通职业学院 Charging gun suitable for new energy automobile
CN114633649B (en) * 2022-03-30 2023-12-01 江苏高博锐电气有限公司 Fill electric pile with protect function
CN117199911B (en) * 2022-12-08 2024-05-03 武汉路特斯科技有限公司 Charging gun and charging pile

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CN108963658A (en) * 2018-07-10 2018-12-07 成都肯保捷旭阳新能源电器有限公司 A kind of charging gun additional locking devices
CN109411942A (en) * 2018-10-23 2019-03-01 常州中电新能电器科技有限公司 The AC charging rifle of New-energy electric vehicle
CN111969365A (en) * 2020-08-14 2020-11-20 广州集佳科技有限公司 New energy automobile rifle that charges
CN112103720A (en) * 2020-09-27 2020-12-18 重庆交通职业学院 Convenient dismantlement formula electric motor car rifle that charges

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108963658A (en) * 2018-07-10 2018-12-07 成都肯保捷旭阳新能源电器有限公司 A kind of charging gun additional locking devices
CN109411942A (en) * 2018-10-23 2019-03-01 常州中电新能电器科技有限公司 The AC charging rifle of New-energy electric vehicle
CN111969365A (en) * 2020-08-14 2020-11-20 广州集佳科技有限公司 New energy automobile rifle that charges
CN112103720A (en) * 2020-09-27 2020-12-18 重庆交通职业学院 Convenient dismantlement formula electric motor car rifle that charges

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