CN108598774B - Charging gun capable of being forcibly powered off - Google Patents

Charging gun capable of being forcibly powered off Download PDF

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Publication number
CN108598774B
CN108598774B CN201810551880.XA CN201810551880A CN108598774B CN 108598774 B CN108598774 B CN 108598774B CN 201810551880 A CN201810551880 A CN 201810551880A CN 108598774 B CN108598774 B CN 108598774B
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CN
China
Prior art keywords
gun body
plug
gun
charging
sleeve
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Application number
CN201810551880.XA
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Chinese (zh)
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CN108598774A (en
Inventor
朱景艳
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Huzhou Langpei Intelligent Technology Co Ltd
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Individual
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Priority to CN201810551880.XA priority Critical patent/CN108598774B/en
Publication of CN108598774A publication Critical patent/CN108598774A/en
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Publication of CN108598774B publication Critical patent/CN108598774B/en
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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
    • H01R13/627—Snap or like fastening
    • H01R13/6275—Latching arms not integral with the housing
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/70—Structural association with built-in electrical component with built-in switch
    • H01R13/703—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The invention relates to a charging gun capable of forcibly cutting off power, which comprises a gun body provided with an inner cavity, a plug, a locking piece, a wire harness and a cable, wherein a plugging sleeve is inserted on the gun body in a sliding manner, the plugging sleeve and the gun body realize sliding positioning connection through at least one ball plunger, an insertion end of the plugging sleeve is provided with a plugging hole, the gun body is provided with a plugging head matched with the plugging hole, and the plugging head is inserted in the plugging hole; the wiring harness is arranged in the inner cavity, one end of the wiring harness is connected with the plug, and the other end of the wiring harness is connected with the plug; one end of the cable is connected with the plug hole; the plug is rotatably connected with the gun body, a torsional spring is sleeved at the right end of the plug, and two ends of the torsional spring are respectively connected with the gun body and the plug; the invention can meet the normal use of the vehicle during charging and can ensure that the charging gun is pulled to realize power failure and safely separate from the vehicle in emergency.

Description

Charging gun capable of being forcibly powered off
Technical Field
The invention relates to the technical field of electric automobiles, in particular to a charging gun capable of being forcibly powered off.
Background
Due to the restriction of technical development and the influence of external factors such as weather, charging environment and the like, the charging process of the electric automobile is generally slow, and is calculated according to the average value of charging time, and even if 50% of rated electric quantity is reached, 20-30 minutes are generally needed at the fastest speed; such a long waiting period makes it very easy for the driver to be sleepy or forget the charging event and concentrate on other things; in addition, be different from fuel automobile's the operation of refueling, electric automobile charges and generally is unmanned on duty's self-service operation, so can not have the staff in time to remind the charging situation or carry out the operation of plugging and unplugging of rifle that charges.
Therefore, based on the above situation, once the charging is completed or the charging time is over, or the driver encounters an emergency, the situation that the driver drives away directly and forgets to pull out the charging gun can occur; and because the locking device is installed to the rifle that charges, when the vehicle drives away, because of the locking device does not unblock yet, the rifle that charges can't break away from the vehicle, therefore will receive the great pulling force from the vehicle, not only probably pull the rifle that charges and the interface that charges bad, also probably directly break the cable, thereby cause serious incident.
Disclosure of Invention
In order to overcome the technical defects in the prior art, the invention provides a charging gun capable of being powered off forcibly, so as to solve the problem that the conventional charging gun cannot be separated from a vehicle in an emergency.
The technical scheme for solving the problem is as follows: the gun comprises a gun body with an inner cavity, a plug arranged at the left end of the gun body, a locking piece arranged at the upper part of the gun body, a wire harness and a cable, wherein an inserting sleeve is inserted on the gun body in a sliding manner, the inserting sleeve and the gun body realize sliding positioning connection through at least one ball plunger, an inserting end of the inserting sleeve is provided with an inserting hole, the gun body is provided with an inserting head matched with the inserting hole, and the inserting head is inserted in the inserting hole; the wiring harness is arranged in the inner cavity, one end of the wiring harness is connected with the corresponding contact pin on the plug, and the other end of the wiring harness is connected with the plug connector; one end of the cable is inserted into the plug bush along the sliding direction of the plug bush and is fixedly connected with the plug bush, the insertion end of the cable is connected with the plug hole, and the other end of the cable is connected with the power supply; the plug is connected with the gun body in a rotating mode along the horizontal axis, a torsion spring is sleeved at the right end of the plug, and two ends of the torsion spring are connected with the gun body and the plug respectively.
The invention has the advantages of exquisite structure and simple operation, can meet the normal use requirement when a vehicle is charged, can ensure that the charging gun is pulled to realize power failure and safely break away from the vehicle in an emergency, effectively avoids the situation that the charging gun and a charging interface are damaged by pulling or a cable is directly pulled to break to cause safety accidents, and reduces the safety risk possibly caused by the pulling of the cable by external force.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is an enlarged view of a portion a of fig. 1 according to the present invention.
Fig. 3 is an isometric view of the present invention.
Fig. 4 is an axial cross-sectional view of the present invention.
Fig. 5 is a perspective cross-sectional view of the present invention showing the bayonet separated from the gun body.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 5, the invention comprises a gun body 1 provided with an inner cavity, a plug 2 arranged at the left end of the gun body 1, a locking member 3 arranged at the upper part of the gun body 1, a wire harness 4 and a cable 5, wherein an inserting sleeve 6 is slidably inserted on the gun body 1, the inserting sleeve 6 and the gun body 1 realize sliding positioning connection through at least one ball plunger 7, an inserting end of the inserting sleeve 6 is provided with an inserting hole 8, the gun body 1 is provided with an inserting head 9 matched with the inserting hole 8, and the inserting head 9 is inserted in the inserting hole 8; the wiring harness 4 is arranged in the inner cavity, one end of the wiring harness 4 is connected with a corresponding contact pin on the plug 2, and the other end of the wiring harness 4 is connected with the plug-in connector 9; one end of the cable 5 is inserted into the plug bush 6 along the sliding direction of the plug bush 6 and is fixedly connected with the plug bush 6, the insertion end of the cable 5 is connected with the plug hole 8, and the other end of the cable 5 is connected with a power supply; the plug 2 and the gun body 1 are connected in a rotating mode along the horizontal axis, a torsion spring 10 is sleeved at the right end of the plug 2, and two ends of the torsion spring 10 are connected with the gun body 1 and the plug 2 respectively.
Preferably, the sliding insertion part of the insertion sleeve 6 is provided with at least one ball plunger 7, the sliding contact part of the gun body 1 and the insertion sleeve 6 is provided with a positioning groove 11 matched with the ball plunger 7, and the ball head part of the ball plunger 7 is arranged in the positioning groove 11 and is in pressing contact with the positioning groove 11.
Preferably, the locking member 3 is installed on the gun body 1 in a manner of rotating left and right, the gun body 1 is provided with a first spring 12 arranged below the locking member 3, the locking member 3 rotates counterclockwise under the elastic force of the first spring 12 to enable the left end of the locking member 3 to generate downward pressure, and then a lock catch 13 arranged at the left end of the locking member 3 is clamped on the charging socket.
Preferably, the gun body 1 is provided with a pressing handle 14 arranged above the locking piece 3, one end of the pressing handle 14 is rotatably arranged on the gun body 1, the other end of the pressing handle 14 is in contact with the right end of the locking piece 3, when the pressing handle 14 rotates on the gun body 1 to enable the other end of the pressing handle 14 to move downwards, the right end of the locking piece 3 is pressed by the pressing handle 14 to move downwards to enable the locking piece 3 to rotate clockwise, the left end of the locking piece 3 moves upwards immediately, and the lock catch 13 is separated from the charging socket to complete the unlocking operation of the locking piece 3; meanwhile, in order to ensure that the locking effect is safer and more reliable, the locking piece 3 is generally made of metal with higher strength, so that the pressing handle 14 as a transition part can be made of insulating material, and electric leakage or electric shock accidents which may be generated during operation can be effectively avoided.
Preferably, the inserting sleeve 6 is arranged below the gun body 1 and is inserted on the gun body 1 in a vertically sliding manner.
Preferably, the gun body 1 is provided with a grip 15.
The invention is identical with the operation of a common charging gun when in normal use, the plug 2 can be inserted into a charging socket by holding the grab handle 15, the wedge-shaped surface arranged on the lock catch 13 is blocked by the charging socket in the insertion process of the plug 2, so that the lock piece 3 rotates clockwise, when the lock catch 13 slides to the locking position, the elastic force of the first spring 12 enables the lock piece 3 to rotate anticlockwise, the lock catch 13 moves downwards to be buckled into the locking position, the charging gun is fixed on the charging socket, and the contact pin on the plug 2 is contacted with the conductor in the charging socket to start charging.
When charging is completed, the pressing handle 14 is pressed downwards, the pressing handle 14 rotates on the gun body 1 to enable the other end of the pressing handle 14 to press the right end of the locking piece 3, the locking piece 3 rotates clockwise, the left end of the locking piece 3 moves upwards immediately, the lock catch 13 is separated from the charging socket, unlocking operation of the locking piece 3 is completed, and the charging gun can be separated from the charging socket by pulling out the plug 2 at the moment.
When the charging gun is forgotten to be pulled out after charging is finished and the vehicle is directly driven away, the cable 5 is straightened and bears the traction pulling force from the vehicle, the plug 2 is inserted in the charging socket and cannot rotate, the pulling force borne by the cable 5 is transmitted to the inserting sleeve 6, so that the inserting sleeve 6 bears the pulling force which is inconsistent with the sliding direction of the inserting sleeve 6, the pulling force acts on the gun body 1 and the plug 2 through the inserting sleeve 6, the charging gun is subjected to deflection torsion to generate a rotating trend, and the gun body 1 and the plug 2 are rotatably connected, so that the gun body 1 and the inserting sleeve 6 can rotate to adapt to the pulling force in different directions under the condition that the plug 2 is kept still, and the damage of the plug 2 and the charging socket is avoided.
When the gun body 1 and the inserting sleeve 6 rotate until the sliding direction of the inserting sleeve 6 is close to the pulling direction, the inserting sleeve 6 generates a tendency of sliding towards the outside of the gun body 1 due to the pulling force, and when the pulling force overcomes the extrusion friction force between the ball head part of the ball plunger 7 and the positioning groove 11, the inserting sleeve 6 is pulled out of the gun body 1 and is gradually separated from the gun body 1; in the process, as the plug-in connector 9 is connected with the plug-in hole 8 in an inserting way, when the plug-in sleeve 6 is separated from the gun body 1 outwards, the plug-in connector 9 is gradually pulled out of the plug-in hole 8, when the plug-in connector 9 is completely separated from the plug-in hole 8, the wiring harness 4 is separated from the cable 5, the internal power-off operation of the charging gun is completed, when the plug-in sleeve 6 is completely separated from the gun body 1, the charging gun is changed into two parts, one part is inserted in a charging socket of a vehicle, the gun body 1 in the part is reset and rotated under the torsion action of the torsion spring 10, the other part is connected on the cable 5, the continuous running of the vehicle can not damage the charging gun, the part of the charging gun inserted in the vehicle can not damage the vehicle, meanwhile, as the conductive part in the other part of the charging gun connected on the cable 5 is the plug-in hole 8, the contact conductor is completely arranged, the device can not be in direct contact with other vehicles or people, and electric shock accidents possibly caused by line damage are effectively reduced.
In addition, when the plug 2 cannot be separated from the charging socket due to failure of the locking piece 3 or the pressing handle 14, the unlocking operation of the charging gun can be realized by applying certain pulling force to the cable 5 or the insertion sleeve 6 by utilizing the working principle of the invention, so that the trouble and danger brought to a vehicle owner by the fact that the charging gun cannot be separated from the vehicle are avoided.
After the emergency disengaging operation of the charging gun is completed, the inserting sleeve 6 is inserted into the gun body 1 again, the ball head part of the ball head plunger 7 is extruded in the positioning groove 11, and the locking piece 3 rotates and resets anticlockwise under the action of the elastic force of the first spring 12; under the action of extrusion friction force between the ball head part of the ball plunger 7 and the positioning groove 11, the gravity of the cable 5 is not enough to overcome the friction force generated by extrusion between the ball plunger 7 and the positioning groove 11, so that the plug bush 6 cannot be separated from the gun body 1, and the safety during normal use is ensured.
The invention has the advantages of exquisite structure and simple operation, can meet the normal use requirement when a vehicle is charged, can ensure that the charging gun is pulled to realize power failure and safely break away from the vehicle in an emergency, effectively avoids the situation that the charging gun and a charging interface are damaged by pulling or a cable is directly pulled to break to cause safety accidents, and reduces the safety risk possibly caused by the pulling of the cable by external force.
In addition, the invention can still ensure that the conductor is hidden in the jack after the charging gun is separated, thereby greatly reducing the risk of electric shock or short circuit of the line caused by the exposed lead and improving the safety of use.

Claims (5)

1. A charging gun capable of being powered off forcibly comprises a gun body (1) with an inner cavity, a plug (2) installed at the left end of the gun body (1), a locking piece (3) installed at the upper part of the gun body (1), a wire harness (4) and a cable (5), and is characterized in that an inserting sleeve (6) is inserted on the gun body (1) in a sliding mode, the inserting sleeve (6) is connected with the gun body (1) in a sliding and positioning mode through at least one ball plunger (7), an inserting end of the inserting sleeve (6) is provided with an inserting hole (8), an inserting head (9) matched with the inserting hole (8) is arranged on the gun body (1), and the inserting head (9) is inserted in the inserting hole (8); the wiring harness (4) is arranged in the inner cavity, one end of the wiring harness (4) is connected with the plug (2), and the other end of the wiring harness (4) is connected with the plug connector (9); one end of the cable (5) is connected with the plug hole (8); the plug (2) is rotatably connected with the gun body (1), a torsion spring (10) is sleeved at the right end of the plug (2), and two ends of the torsion spring (10) are respectively connected with the gun body (1) and the plug (2); the locking piece (3) can be installed on the gun body (1) in a left-right rotating mode, a first spring (12) arranged below the locking piece (3) is arranged on the gun body (1), and the locking piece (3) rotates anticlockwise under the elastic force action of the first spring (12) to enable the left end of the locking piece (3) to generate downward pressure.
2. The charging gun capable of being powered off forcibly according to claim 1, wherein the sliding insertion part of the insertion sleeve (6) is provided with at least one ball plunger (7), the sliding contact part of the gun body (1) and the insertion sleeve (6) is provided with a positioning groove (11) matched with the ball plunger (7), and the ball head part of the ball plunger (7) is arranged in the positioning groove (11) and is in pressing contact with the positioning groove (11).
3. A charging gun capable of forcibly turning off the power supply according to claim 1, wherein the gun body (1) is provided with a pressing handle (14) disposed above the locking member (3), one end of the pressing handle (14) is rotatably mounted on the gun body (1), and the other end of the pressing handle (14) is in contact with the right end of the locking member (3).
4. A charging gun as claimed in claim 1, characterized in that the plug-in sleeve (6) is disposed under the gun body (1) and is slidably inserted into the gun body (1) up and down.
5. A charging gun as claimed in claim 1, characterized in that the gun body (1) is provided with a grip (15).
CN201810551880.XA 2018-05-31 2018-05-31 Charging gun capable of being forcibly powered off Active CN108598774B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201810551880.XA CN108598774B (en) 2018-05-31 2018-05-31 Charging gun capable of being forcibly powered off

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CN108598774A CN108598774A (en) 2018-09-28
CN108598774B true CN108598774B (en) 2020-02-28

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CN109361111A (en) * 2018-12-04 2019-02-19 江苏健龙电器有限公司 A kind of bank electricity socket with pressure separation function
KR102205451B1 (en) * 2019-08-19 2021-01-20 대영코어텍(주) Charging coupler having a handle and electronic vehicle charging apparatus comprising the same
CN110920433B (en) * 2019-11-13 2021-05-14 安徽科创新能源科技有限责任公司 Fill cable for electric pile and break away from subassembly
CN111251917A (en) * 2020-03-25 2020-06-09 苏州中顺瑞泰汽车检具有限公司 Safe charging equipment suitable for electric automobile
CN113242810B (en) * 2020-03-25 2022-07-26 苏州平方实业有限公司 Safe charging equipment suitable for electric automobile
CN114122821A (en) * 2021-08-27 2022-03-01 国电南瑞科技股份有限公司 Shore power connector capable of automatically positioning, locking and passively tripping
CN114619908B (en) * 2022-03-11 2023-09-26 国网陕西省电力有限公司电力科学研究院 Charging pile monitoring equipment, charging pile and charging pile monitoring method

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