WO2021036843A1 - 插头、电连接器及终端设备 - Google Patents

插头、电连接器及终端设备 Download PDF

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Publication number
WO2021036843A1
WO2021036843A1 PCT/CN2020/109560 CN2020109560W WO2021036843A1 WO 2021036843 A1 WO2021036843 A1 WO 2021036843A1 CN 2020109560 W CN2020109560 W CN 2020109560W WO 2021036843 A1 WO2021036843 A1 WO 2021036843A1
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WO
WIPO (PCT)
Prior art keywords
terminal
terminals
pair
plug
same polarity
Prior art date
Application number
PCT/CN2020/109560
Other languages
English (en)
French (fr)
Inventor
张登国
刘英俊
Original Assignee
深圳市道通科技股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市道通科技股份有限公司 filed Critical 深圳市道通科技股份有限公司
Priority to EP20859450.7A priority Critical patent/EP3968470A4/en
Publication of WO2021036843A1 publication Critical patent/WO2021036843A1/zh
Priority to US17/643,927 priority patent/US20220102878A1/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R31/00—Coupling parts supported only by co-operation with counterpart
    • H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • H01R11/22—End pieces terminating in a spring clip
    • H01R11/24—End pieces terminating in a spring clip with gripping jaws, e.g. crocodile clip
    • 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
    • H01R13/02—Contact members
    • 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
    • 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
    • H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
    • 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
    • H01R13/64—Means for preventing incorrect coupling
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • H02J7/0045—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries
    • 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
    • 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

Definitions

  • This application relates to the field of electrical connection technology, and in particular to a plug, electrical connector and terminal equipment.
  • the electrical connection is often achieved through the cooperation of plugs and sockets.
  • electrical connectors are often used to complete emergency start power and other terminal equipment and vehicle batteries.
  • one end of the electrical connector is provided with a plug, and the terminal device is provided with an output port adapted to the plug.
  • the inventor of the present invention discovered in the process of implementing the present invention: in the process of joining the plug and the output port of the terminal device, the user must first identify the polarity of the terminal on the plug, and then insert the above output port accordingly. Avoid accidents such as short circuit when the plug is connected reversely, which makes the user's operation extremely inconvenient and affects the user's experience.
  • the present invention aims to provide a plug, an electrical connector having the above plug, and a terminal device that can be matched with the above plug, so as to solve the problem that the current plug can not realize the forward plug and the reverse plug can be electrically connected with the terminal device.
  • a plug including:
  • the plug is used to connect to a terminal device related to the vehicle battery, one end of the plug can be fitted to the output port of the terminal device, and the other end of the plug can be connected to the vehicle battery through a wire, so that all
  • the terminal device can detect or perform charging and discharging operations on the vehicle battery;
  • the plug includes:
  • the first terminal is accommodated in the insulating housing.
  • At least one pair of second terminals are accommodated in the insulating housing, and each pair of second terminals is symmetrically distributed with the first terminal as the center;
  • the polarities of the first terminal and the second terminal are opposite;
  • the first terminal may be connected to an end of the vehicle battery with the same polarity as the first terminal through a wire;
  • the at least one pair of second terminals may be connected to the other end of the vehicle battery with the same polarity as the at least one pair of second terminals through another wire;
  • the first terminal is connected to one of the positive and negative poles of the internal battery in the terminal device with the same polarity as the first terminal, and the at least one pair of first terminals
  • the two terminals are connected to one of the positive and negative poles of the internal battery with the same polarity as the second terminal, so that the positive and negative poles of the internal battery can be connected to the vehicle battery through the plug and the wire. connection;
  • the plug can be adapted to the output port from any one of a first direction and a second direction, and the first direction and the second direction are spaced with the first terminal as the center of rotation Two directions of 180 degrees.
  • it further includes at least a pair of third terminals, the at least one pair of third terminals are arranged in the insulating housing, wherein each pair of third terminals is centered on the first terminal. Center symmetrical distribution;
  • the third terminal has the same polarity as the first terminal, and the third terminal can be connected to an end of the vehicle battery with the same polarity as the first terminal through a wire;
  • each of the third terminals is arranged in a row.
  • the first terminal, each second terminal and each third terminal are arranged in a row.
  • each pair of first signal terminals is distributed symmetrically about the center of the first terminal;
  • the first signal terminal can be connected to the end of the vehicle battery with the same polarity as the first terminal through a wire.
  • the plug When the plug is matched with the output port, the positive and negative poles of the internal battery The one with the same polarity as the first terminal is connected to the first signal terminal; or, the first signal terminal may be connected to the end of the vehicle battery with the same polarity as the second terminal through a wire.
  • the plug matches the output port, one of the positive and negative poles of the internal battery with the same polarity as the second terminal is connected to the first signal terminal.
  • one end of the insulating housing is provided with an insertion groove, and the first terminal and each of the second terminals are both received in the insertion groove.
  • it further includes a flexible connecting portion connected to an end of the insulating housing away from the insertion groove.
  • the cross-sectional area of the insulating housing is smaller than the cross-sectional area of the flexible connecting portion.
  • the material of the flexible connecting part is polyvinyl chloride.
  • the material of the insulating housing includes nylon 6 and glass fiber.
  • the first terminal includes a first fixing portion and a first clamping portion, one end of the first fixing portion is fixed to the insulating housing, and the other of the first fixing portion At least two of the first clamping portions are connected to one end, and there is a gap between the two adjacent first clamping portions.
  • the first clamping portions on the same first terminal are arranged in a circular shape.
  • the second terminal includes a second fixing portion and a second clamping portion, one end of the second fixing portion is fixed to the insulating housing, and the other of the second fixing portion At least two second clamping portions are connected to one end, and there is a gap between two adjacent second clamping portions.
  • the second clamping portions on the same second terminal are arranged in a circular shape.
  • An electrical connector includes a first wire, a second wire, and the above-mentioned plug.
  • the first terminal is connected to the first wire, and the first wire can be connected to the vehicle battery and the first wire.
  • One end of the terminals of the same polarity is connected, the at least one pair of second terminals is connected to the second wire, and the second wire may be connected to the end of the vehicle battery with the same polarity as the second terminal.
  • it further includes a first clamping piece and a second clamping piece, the first clamping piece is electrically connected to the first wire, and the first clamping piece is used to connect to the One end of the vehicle battery with the same polarity as the first terminal is fixedly connected, the second clamping member is electrically connected to the second wire, and the second clamping member is used to connect to the vehicle battery One end of the same polarity as the second terminal is fixedly connected.
  • a terminal device for detecting or charging and discharging a vehicle battery includes an internal battery, the terminal device is provided with an output port, and the output port includes:
  • the fourth terminal is provided on the base.
  • At least a pair of fifth terminals are arranged on the base, and each pair of fifth terminals is symmetrically distributed with the fourth terminal as the center;
  • the polarity of the fourth terminal is opposite to that of the fifth terminal
  • the fourth terminal is connected to one of the positive and negative electrodes of the internal battery, and the at least one pair of fifth terminals is connected to the other of the positive and negative electrodes of the internal battery;
  • the fourth terminal When the terminal device detects or charges and discharges the vehicle battery, the fourth terminal is connected to the end of the vehicle battery with the same polarity as the fourth terminal, and the at least one pair of fifth terminals It is connected to one end of the vehicle battery with the same polarity as the at least one pair of fifth terminals.
  • it further includes at least one pair of sixth terminals, the at least one pair of sixth terminals is disposed on the base, wherein each pair of sixth terminals is centered on the fourth terminal symmetry;
  • the sixth terminal and the fourth terminal have the same polarity, and the sixth terminal is connected to an end of the internal battery with the same polarity as the fourth terminal;
  • the sixth terminal is connected to an end of the vehicle battery with the same polarity as the fourth terminal.
  • each of the sixth terminals is arranged in a row.
  • the fourth terminal, each of the fifth terminals and each of the sixth terminals are arranged in a row.
  • it further includes at least a pair of second signal terminals, each pair of the second signal terminals being distributed symmetrically centered on the fourth terminal;
  • the second signal terminal is connected to one end of the positive and negative poles of the internal battery with the same polarity as the fourth terminal; or, the second signal terminal is connected to one of the positive and negative poles of the internal battery. One end of the same polarity as the at least one pair of fifth terminals is connected.
  • a first clamping hole is provided at one end of the fourth terminal away from the connection between the fourth terminal and the base;
  • the plug provided by the embodiment of the present invention includes an insulating housing, and a first terminal and a pair of second terminals fixedly connected to the insulating housing.
  • the pair of second terminals are symmetrical about the axis of the first terminal.
  • the first terminal and the second terminal have opposite polarities.
  • the first terminal Since the pair of second terminals are symmetrically distributed along the axis of the first terminal, whether the plug provided by the embodiment of the present invention is inserted in a forward direction or in a reverse direction, the first terminal is located in the middle and is compatible with the plug.
  • the terminals of the same polarity on the matched socket are matched; the second terminals are all located on the outside, and are matched with the terminals of the same polarity on the socket that is matched with the plug. Therefore, the plug provided by the embodiment of the present invention can realize normal electrical communication with the socket regardless of whether it is inserted in a forward direction or in a reverse direction.
  • FIG. 1 is a three-dimensional schematic diagram of an electrical connector provided in one embodiment of the present invention in one direction;
  • Fig. 2 is a perspective schematic view of the electrical connector in Fig. 1 in another direction;
  • Figure 3 is an orthographic view of the plug in Figure 1;
  • Fig. 4 is a partial enlarged schematic diagram of A in Fig. 2;
  • FIG. 5 is a schematic diagram of the arrangement of terminals of a plug provided by another embodiment of the present invention.
  • FIG. 6 is a schematic diagram of the arrangement of terminals of a plug provided by another embodiment of the present invention.
  • FIG. 7 is a schematic diagram of the arrangement of the terminals of the plug provided by still another embodiment of the present invention.
  • FIG. 8 is a three-dimensional schematic diagram of a terminal device provided in one embodiment of the present invention in one direction;
  • Fig. 9 is a front view of the terminal device in Fig. 8.
  • the "installation” includes welding, screwing, clamping, bonding, etc. to fix or restrict a certain element or device to a specific position or place, and the element or device can be held in a specific position or place. It can also move within a limited range without moving, and the element or device can be disassembled or cannot be disassembled after being fixed or restricted to a specific position or place, which is not limited in the embodiment of the present invention.
  • FIGS. 1 to 3 respectively show a three-dimensional schematic diagram of an electrical connector provided in one embodiment of the present invention in two directions and an orthographic view of a plug.
  • the electrical connector 100 includes a plug 110 and a first wire 120, the second wire 130, the first clamping member 140 and the second clamping member 150.
  • One end of the first wire 120 is connected to the plug 110, the other end is connected to the first clamping member 140, one end of the second wire 130 is connected to the plug 110, and the other end is connected to the second clamping member 150.
  • the plug 110 includes an insulating housing 111, a flexible connecting portion 112 fixedly connected to one end of the insulating housing 111, and is disposed on the insulating housing 111 The other end of the first terminal 113 and the second terminal 114.
  • one end of the insulating housing 111 is provided with an insertion groove 115, which is used to receive the first terminal 113 and the second terminal 114, so as to prevent the first terminal 113 and the second terminal 114 from being exposed and protruding from the insulating housing The disadvantage of being easily damaged beyond 111.
  • the end of the insulating shell 111 away from the insertion slot 115 is connected to the above-mentioned flexible connecting portion 112.
  • the cross-sectional area of the flexible connecting portion 112 is larger than the cross-sectional area of the insulating shell 111 and the whole Cover the cross section of the insulating case 111.
  • the upper and lower surfaces of the flexible connecting portion 112 are provided with anti-slip lines, which is convenient for the user to hold and plug the plug 110.
  • the insulating housing 111 can be selected from insulating materials such as nylon, plastic, rubber, etc.
  • the material of the insulating housing 111 includes a mixture of nylon 6 and glass fiber. Specifically, a certain amount of glass fiber is added to nylon 6 to enhance Its strength, rigidity, and thermal stability; the material of the flexible connecting portion 112 can be selected from insulating materials such as plastic, rubber, etc.
  • the flexible connecting portion 112 is preferably PVC (polyvinyl chloride, polyvinyl chloride) plastic.
  • the first terminal 113 is provided in the insertion groove 115 and is inserted along the whole The groove 115 extends in the depth direction.
  • the first terminal 113 includes a first fixing portion (not shown) and a first clamping portion 1131.
  • One end of the first fixing portion is fixedly connected to the insulating housing 111, and the other end is connected with six first clamping portions 1131.
  • the six first clamping portions 1131 are arranged in parallel and arranged in a circular shape, and there is a gap between two adjacent first clamping portions 1131.
  • the first clamping portion 1131 extends along the depth direction of the insertion groove 115, and the first fixing portion also extends along the depth direction of the insertion groove 115. It is understood that in other embodiments of the present invention, The first clamping portion 1131 and the first fixing portion may also extend in other directions.
  • the above-mentioned first clamping portion 1131 is arranged so that when the first terminal 113 is matched with the corresponding clamping hole on the external terminal, each first clamping portion 1131 can be restricted by the size of the above-mentioned clamping hole.
  • first clamping portions 1131 is not limited to the six in the above-mentioned embodiment, and can also be any number of two or more, as long as there is a certain gap between two adjacent clamping portions.
  • the second terminals 114 are also provided in the insertion groove 115, and the entirety extends along the depth direction of the insertion groove 115 , The pair of second terminals 114 are symmetrically distributed with the first terminal 113 as the center.
  • the structure of the second terminal 114 is substantially the same as that of the first terminal 113, including a second fixing portion (not shown) and a second clamping portion 1141.
  • One end of the second fixing portion is fixedly connected to the insulating housing 111, and the other end Six second clamping portions 1141 are connected, and the six second clamping portions 1141 are arranged in parallel and arranged in a circular shape, and there is a gap between two adjacent second clamping portions 1141.
  • the second clamping portion 1141 extends along the depth direction of the insertion groove 115, and the second fixing portion also extends along the depth direction of the insertion groove 115. It is understood that in other embodiments of the present invention The second clamping portion 1141 and the second fixing portion may also extend in other directions.
  • the above-mentioned second clamping portion 1141 is arranged so that when the second terminal 114 is matched with the corresponding clamping hole on the external terminal, each second clamping portion 1141 can be restricted by the size of the above-mentioned clamping hole. Elastically close to the center, so that a certain pre-tightening force is generated between each second clamping portion 1141 and the above-mentioned clamping hole in the radial direction, so that the second terminal 114 is inserted and grounded more firmly. It should be understood that the number of the second clamping portions 1141 is not limited to the six in the above embodiment, and can be any number of two or more, as long as there is a certain gap between two adjacent second clamping portions 1141. That's it.
  • the polarity of the second terminal 114 is opposite to that of the first terminal 113.
  • the first terminal 113 is a positive terminal
  • the second terminal 114 is a negative terminal; in other embodiments of the present invention, the first terminal 113 is a negative terminal.
  • One terminal 113 is a negative terminal
  • the second terminal 114 is a positive terminal.
  • first wire 120 and second wire 130 please refer to FIG. 1.
  • One end of the first wire 120 is connected to the flexible connecting portion 112 and electrically connected to the first terminal 113; the other end of the first wire 120 is connected to the first clip
  • the holding member 140 is connected and electrically connected to the first clamping part of the first clamping member at the same time.
  • One end of the second wire 130 is connected to the flexible connecting portion 112 and electrically connected to each second terminal 114; the other end of the second wire 130 is connected to the second clamping member 150, and at the same time is connected to the second clamping member 150
  • the clamping part is electrically connected.
  • first clamping member 140 and second clamping member 150 have the same shape and structure, and the whole is in the shape of a clip for clamping Support external devices, such as terminals (not shown), etc.
  • the end of the first clamping member 140 away from the first wire 120 is the first clamping portion 141.
  • the first clamping portion 141 is made of a metal material, which is convenient for the first clamping member 140 to be clamped to an external device at the same time.
  • the external device is electrically connected.
  • the end of the second clamping member 150 away from the second wire 130 is the second clamping portion 151.
  • the second clamping portion 151 is made of a metal material, which is convenient for clamping the second clamping member 150 to an external device at the same time.
  • the external device is electrically connected.
  • the electrical connector 100 further includes at least a pair of first signal terminals 116.
  • first signal terminals 116 are received in the above-mentioned insertion groove 115, and two first signal terminals 116 of each pair of first signal terminals 116 are centered on the first terminal 113. Symmetrically distributed at the center.
  • Each pair of first signal terminals 116 is electrically connected to the first wire 120 or the second wire 130.
  • the electrical connector provided by the foregoing embodiment includes a plug 110, a first wire 120, a second wire 130, a first clamping member 140, and a second clamping member 150.
  • the plug 110 includes an insulating housing 111 and is fixed to the above The first terminal 113 and a pair of second terminals 114 on the insulating housing 111, the pair of second terminals 114 are center-symmetric with the first terminal 113 as the center, and the polarities of the first terminal 113 and the second terminal 114 are opposite . Therefore, in the process of mating the plug 110 with the output port of the external terminal device (not shown) in the electrical connector provided by the embodiment of the present invention, when the plug is plugged in the forward direction, the first terminal 113 is located in the middle.
  • the second terminal 114 is located on the outside, and matched with the same-polarity terminal of the above-mentioned output port, the above-mentioned "forward" is defined as the first direction; when the plug is inserted in the reverse direction
  • the plug 110 as a whole rotates 180 degrees with the first terminal as the center of rotation.
  • the first terminal 113 is still located in the middle and matched with the same-polarity terminal of the above-mentioned output port.
  • the two second terminals 114 are still located on the outside, which also happens to be able Cooperate with the same polarity terminal of the above output port, and define the above “reverse” as the second direction. Therefore, the plug provided by the embodiment of the present invention can realize normal electrical communication regardless of whether it is inserted in a forward direction or in a reverse direction.
  • the above second terminals may also be two or more pairs, and the two or more second terminals may be The first terminals are arranged in a row with the first terminal as the symmetric center, or they may be arranged in multiple rows with the first terminal as the symmetric center, and the lines formed between the second terminals of each row intersect with the first terminal.
  • Figures 5 to 7 respectively show the schematic diagrams of the terminal arrangement of the other three types of plugs provided by the present invention.
  • the above drawings do not show the insulating housing, but only show the terminals.
  • the main difference between the three types of plugs and the plugs in the above-mentioned embodiment is that:
  • the plug in the first embodiment only includes a first terminal and a pair of second terminals; and the three types of plugs include a third terminal in addition to the first terminal and the second terminal.
  • the plug includes a first terminal 113a, a pair of second terminals 114a, and a pair of third terminals 117a.
  • the pair of third terminals 117a are disposed in the insulating housing and received in the socket.
  • the two third terminals 117a of the pair of third terminals 117a are distributed symmetrically with the first terminal 113a as the center.
  • the third terminal 117a and the first terminal 113a have the same polarity, that is, the third terminal 117a is electrically connected to the above-mentioned first wire and the first clamping member.
  • the first terminal as the positive terminal as an example, there are more positive terminals in this embodiment than in the first embodiment.
  • the third terminal can still be used to achieve normal Electrical connection. It can be understood that the third terminals may also be in multiple pairs, and in some embodiments, the multiple pairs of third terminals are arranged in a row.
  • the plug includes a first terminal 113b, a pair of second terminals 114b, and a pair of third terminals 117b.
  • the pair of third terminals 117b are arranged in the insulating housing and received in the above-mentioned socket.
  • the two third terminals 117b of the pair of third terminals 117b are distributed symmetrically with the first terminal 113b as the center.
  • the third terminal 117b and the first terminal 113b have the same polarity, that is, the third terminal 117b is electrically connected to the above-mentioned first wire and the first clamping member.
  • the main difference between the plug in this embodiment and the second embodiment is that the second terminals and the third terminals in the second embodiment are not arranged in a row, while the second terminals 114b and the third terminals in the second embodiment are not arranged in a row.
  • the third terminals 117b are arranged in a row with the first terminal 113b as the center. It can be understood that, in other embodiments, the third terminals may also be multiple pairs, and the multiple pairs of third terminals are arranged in a row with each of the second terminals and the first terminals.
  • the plug includes a first terminal 113c, a pair of second terminals 114c, and two pairs of third terminals 117c.
  • the two pairs of third terminals 117c are disposed in an insulating housing, and each pair of third terminals 117c
  • the two third terminals 117c are distributed symmetrically with the first terminal 113c as the center.
  • the third terminal 117c and the first terminal 113c have the same polarity, that is, the third terminal 117c is electrically connected to the above-mentioned first wire and the first clamping member.
  • the main difference between the plug in this embodiment and the second embodiment is that there are two pairs of second terminals 114c in this embodiment, and the two pairs of third terminals are not arranged in a row. The straight lines formed therebetween intersect at the first terminal 113c.
  • the second terminals are arranged in two or more pairs, the second terminals of the two or more pairs can be arranged. In one row, it can also be arranged in multiple rows.
  • the present invention also provides a terminal device 200.
  • the terminal device 200 includes a base 210, an internal battery (not shown), and a circuit control module (not shown). ), a fourth terminal 220 and a pair of fifth terminals 230.
  • the internal battery is fixed inside the base 210; the circuit control module is fixed inside the base 210 and connected to the internal battery; the fourth terminal 220 is fixed to the base 210, and one end is connected to the internal battery through the circuit control module One of the positive and negative electrodes is electrically connected, and the other end extends out of the base 210; the fifth terminal 230 is fixed to the base 210, and one end is electrically connected to the other of the positive and negative electrodes of the internal battery through the circuit control module , The other end extends out of the base 210.
  • the output port of the terminal device 200 is formed between the base 210, the circuit control module, the fourth terminal 220 and the fifth terminal 230, and the output port is provided with the first terminal and the second terminal of the plug in the above-mentioned first embodiment One end fits. It can be understood that the fourth terminal 220 and/or the fifth terminal 230 may be directly and fixedly connected to the base 210, or may be indirectly fixedly connected to the base 210 by being fixedly connected to the above-mentioned circuit control module.
  • the whole is box-shaped, and one end is provided with a receiving groove 211.
  • the shape of the receiving groove 211 is similar to that of the insulating housing 111 of the plug 110. The shape fits.
  • the accommodating groove 211 is used for accommodating the fourth terminal 220 and the fifth terminal 230 to avoid the disadvantage that the fourth terminal 220 and the fifth terminal 230 are exposed and protrude out of the base 210 and are easily damaged.
  • FIG. 9 An end of the fourth terminal 220 away from the connection with the base 210 is provided with a first engaging hole, and the first engaging hole is adapted to the first engaging portion 1131 of the first terminal 113 on the plug.
  • each first clamping portion 1131 When each first clamping portion 1131 is inserted into the first clamping hole, each first clamping portion 1131 will elastically move toward the center under the restriction of the size of the first clamping hole, so that each first clamping portion 1131 A certain pre-tightening force is generated between the fourth terminal 220 and the fourth terminal 220 in the radial direction, so the first terminal 113 and the fourth terminal 220 can be inserted more firmly.
  • the fifth terminal 230 is also disposed in the accommodating groove 211, and the entirety extends along the depth direction of the accommodating groove 211.
  • the fifth terminals 230 are symmetrically distributed with the fourth terminal 220 as the center.
  • the structure of the fifth terminal 230 is substantially the same as that of the fourth terminal 220.
  • the fifth terminal 230 is provided with a second clamping hole at an end far away from its connection with the base 210, and the second clamping hole is connected to the plug The second clamping portion 1141 of the second terminal is matched.
  • each second clamping portion 1141 When each second clamping portion 1141 is inserted into the second clamping hole, each second clamping portion 1141 will elastically move closer to the center under the limitation of the size of the second clamping hole, thereby making each second clamping portion 1141 A certain pre-tightening force is generated between the fifth terminal 230 and the fifth terminal 230 in the radial direction, so the second terminal 114 and the fifth terminal 230 can be inserted more firmly.
  • the fifth terminal 230 and the fourth terminal 220 have opposite polarities.
  • the fourth terminal 220 and the first terminal 113 have the same polarity, and the fifth terminal 230 and the second terminal 114 have the same polarity.
  • the fourth terminal 220 is a positive terminal and is connected to the positive electrode of the internal battery
  • the fifth terminal 230 is a negative terminal and is connected to the negative electrode of the internal battery
  • the fourth terminal 220 is a negative terminal and is connected to the negative electrode of the internal battery
  • the fifth terminal 230 is a positive terminal and is connected to the positive electrode of the internal battery.
  • the terminal device 200 further includes at least a pair of second signal terminals 240, which are connected to the above-mentioned plug.
  • the first signal terminal 116 in the structure corresponds to it.
  • two pairs of second signal terminals 240 are received in the above-mentioned accommodating groove 211, and two second signal terminals 240 of each pair of second signal terminals 240 are centered on the fourth terminal 220. Symmetrically distributed at the center.
  • the terminal device provided in the above embodiment includes a base 210, a fourth terminal 220, and a pair of fifth terminals 230.
  • the pair of fifth terminals 230 are centered symmetrically with the fourth terminal 220 as the center, and the fourth terminal 220 is connected to the fourth terminal 220.
  • the polarities of the five terminals 230 are opposite. Therefore, during the process of mating the output port of the terminal device provided by the embodiment of the present invention with the plug 110 provided in the above embodiment, the plug can be plugged in either the forward direction (first direction) or the reverse direction (second direction). Realize normal electrical connection.
  • the terminal device is an emergency starting device related to the vehicle battery, which is used to charge and discharge the vehicle.
  • the emergency starting device can be electrically connected to the vehicle battery through the above-mentioned electrical connector, and one end of the electrical connector provided with the first terminal and the second terminal can be matched with the output port provided on the emergency starting device.
  • the first terminal is connected to one of the positive and negative poles of the internal battery of the emergency starting device through the fourth terminal, and a pair of second terminals are connected to the positive and negative poles of the internal battery of the emergency starting device through a pair of fifth terminals.
  • the other end of the electrical connector can be connected to the vehicle battery through the first wire (or the first wire and the first clamping member) to connect the positive and negative poles of the internal battery to the plug;
  • the end of the same polarity as the first terminal is connected, and at the same time, the second wire (or the second wire and the second clamping member) can be connected to the end of the vehicle battery with the same polarity as the second terminal.
  • the terminal device is a vehicle battery diagnostic device, which is used to detect the performance of the vehicle battery.
  • the vehicle battery diagnostic equipment can be electrically connected to the vehicle battery through the above-mentioned electrical connector, and one end of the electrical connector provided with a first terminal and a second terminal can be connected to an output port provided on the vehicle battery diagnostic equipment.
  • the first terminal is connected to one of the positive and negative poles of the internal battery of the vehicle battery diagnostic equipment through the fourth terminal, and a pair of second terminals are connected to the internal battery of the vehicle battery diagnostic equipment through a pair of fifth terminals.
  • the other of the positive and negative poles is connected to connect the positive and negative poles of the internal battery to the plug; the other end of the electrical connector can pass through a first wire (or a first wire and a first clamping member) Connect to the end of the vehicle battery with the same polarity as the first terminal, and at the same time, it can be connected to the end of the vehicle battery with the same polarity as the second terminal through the second wire (or the second wire and the second clamp) connection.
  • the vehicle diagnostic equipment can also detect the performance of the battery through the cooperation of the second signal terminal provided on it and the first signal terminal on the above-mentioned electrical connector, wherein the first signal terminal and the second signal terminal are matched with each other.
  • the polarity is the same and is used to transmit the detection signal; in some embodiments, the first signal terminal is connected to the end of the vehicle battery with the same polarity as the first terminal through the first wire and the first clamping member.
  • the positive and negative poles of the internal battery that have the same polarity as the first terminal are connected to the first signal terminal through the second signal terminal; in other embodiments, the first signal terminal is connected through the second wire and The second clamping member is connected to the end of the vehicle battery with the same polarity as the second terminal.
  • the plug is matched with the output port, the positive and negative poles of the internal battery with the same polarity as the second terminal pass through the second terminal.
  • the signal terminal is connected to the first signal terminal.
  • the above-mentioned terminal device may also be other equipment related to the vehicle battery, as long as it is provided with an output port and can be connected to the vehicle battery through the above-mentioned electrical connector. However, it is not limited here.
  • the fifth terminal of the terminal device provided in the above embodiment has only one pair, it should be understood that in other embodiments of the present invention, the above fifth terminal may also be two or more pairs, and the two or more fifth terminals
  • the fourth terminal may be arranged in a row with the fourth terminal as the symmetric center, or the fourth terminal may be arranged in multiple rows with the fourth terminal as the symmetric center, and the lines formed by the arrangement of the fifth terminals in each row intersect with the first terminal.
  • the terminal device 200 may further include a pair of sixth terminals (not shown), the pair of sixth terminals are fixed to the base 210, and the sixth terminals are the same as those in the second embodiment of the above-mentioned plug structure.
  • the pair of sixth terminals is disposed on the base 210, and two sixth terminals of the pair of sixth terminals are centrally symmetrically distributed with the fourth terminal as the center.
  • the sixth terminal and the first The four terminals have the same polarity and are connected to the end of the internal battery with the same polarity as the fourth terminal; when the terminal device detects or charges and discharges the vehicle battery, the sixth terminal is connected to the vehicle battery Connect the terminal with the same polarity as the fourth terminal.
  • the arrangement of multiple positive terminals enables the terminal device 200 to achieve normal electrical communication through the sixth terminal when the fourth terminal 220 is in poor contact or damaged.
  • the pair of sixth terminals may be arranged in a row with the fourth terminal and the fifth terminal, or may be offset from the straight line formed by the pair of fifth terminals.
  • the sixth terminal on the terminal device can also have two pairs or more.
  • each pair of sixth terminals can be arranged in a row and staggered with the second terminal, or can be combined with the fourth terminal and the fourth terminal.
  • the fifth terminals are arranged in a row together, and it is also possible that the pairs of sixth terminals are arranged in different rows and intersect with the fourth terminal, which is not limited here.

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Abstract

一种插头（110）、电连接器（100）及终端设备（200）。该插头（110）用于与车辆电池相关的终端设备（200）连接，所述插头（110）的一端可与所述终端设备（200）的输出端口配适，所述插头（110）的另一端可通过导线（120、130）与所述车辆电池连接，以使所述终端设备（200）可对所述车辆电池进行检测或进行充放电操作。该插头（110）包括绝缘壳体（111）；第一端子（113），设置于所述绝缘壳体（111）；以及至少一对第二端子（114），设置于所述绝缘壳体（111），且每对第二端子（114）以所述第一端子（113）为中心呈中心对称分布；所述第一端子（113）与所述第二端子（114）的极性相反。该插头（110）无论是正向插接还是反向插接均能够与插座实现正常电气联通。

Description

插头、电连接器及终端设备
本申请要求于2019年8月26日提交中国专利局、申请号为201910790300.7、申请名称为“插头、电连接器及终端设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及电气连接技术领域，尤其涉及一种插头、电连接器及终端设备。
背景技术
在日常生活中，经常会通过插头与插座的配合来实现电气的连接，例如，在检测车辆电池或者为车辆电池充电时，往往会通过借助电连接器来完成应急启动电源等终端设备与车辆电池的电气连接，具体的，上述电连接器的一端设有插头，上述终端设备上设有与所述插头相适配的输出端口。
但是本发明的发明人在实现本发明的过程中发现：在接合插头与终端设备的输出端口的过程中，用户要先识别插头上端子极性的正负，然后对应地插入上述输出端口，以避免插头接反时发生短路等事故，这使用户的操作极不方便，影响了用户的使用体验。
发明内容
本发明旨在提供一种插头、具有上述插头的电连接器以及能够与上述插头配适的终端设备，以解决目前的插头不能实现正向插接和反向插接均能与终端设备电气联通的技术问题。
本发明解决其技术问题采用以下技术方案：
一种插头，包括：
所述插头用于与车辆电池相关的终端设备连接，所述插头的一端可与所述终端设备的输出端口配适，所述插头的另一端可通过导线与所述车辆电池连接，以使所述终端设备可对所述车辆电池进行检测或进行充放电操作；
所述插头包括：
绝缘壳体；
第一端子，容置于所述绝缘壳体；以及
至少一对第二端子，容置于所述绝缘壳体，且每对第二端子以所述第一端子为中心呈中心对称分布；
所述第一端子与所述第二端子的极性相反；
所述第一端子可通过一条导线与所述车辆电池上的和所述第一端子相同极性的一端进行连接；
所述至少一对第二端子可通过另一条导线与所述车辆电池上的和所述至少一对第二端子相同极性的另一端进行连接；
当所述插头与所述输出端口配适时，所述第一端子与所述终端设备中的内部电池的正负极中和所述第一端子相同极性的一个连接，所述至少一对第二端子与所述内部电池的正负极中的和所述第二端子相同极性的一个连接，以使所述内部电池的正负极可通过所述插头及所述导线与所述车辆电池连接；
其中，所述插头可从第一方向与第二方向中的任意一个方向与所述输出端口进行配适，所述第一方向及所述第二方向为以所述第一端子为旋转中心间隔180度的两个方向。
作为上述技术方案的进一步改进方案，还包括至少一对第三端子，所述至少一对第三端子设置于所述绝缘壳体，其中，每对第三端子以所述第一端子为中心呈中心对称分布；
所述第三端子与所述第一端子的极性相同，所述第三端子可通过导线与所述车辆电池上的和所述第一端子相同极性的一端进行连接；
当所述插头与所述输出端口配适时，所述内部电池的正负极中与所述第一端子极性相同的一个与所述第三端子连接。
作为上述技术方案的进一步改进方案，各所述第三端子排成一排。
作为上述技术方案的进一步改进方案，所述第一端子、各所述第二端子与各所述第三端子排成一排。
作为上述技术方案的进一步改进方案，还包括至少一对第一信号端子，每对第一信号端子以所述第一端子为中心呈中心对称分布；
所述第一信号端子可通过导线与所述车辆电池上的和所述第一端子相同极性的一端连接，当所述插头与所述输出端口配适时，所述内部电池的正负极中与所述第一端子极性相同的一个与所述第一信号端子连接；或者，所述第一信号端子可通过导线与所述车辆电池上的和所述第二端子相同极性的一端连接，当所述插头与所述输出端口配适时，所述内部电池的正负极中与所述第二端子极性相同的一个与所述第一信号端子连接。
作为上述技术方案的进一步改进方案，所述绝缘壳体的一端设有插接槽，所述第一端子与各所述第二端子均收容于所述插接槽内。
作为上述技术方案的进一步改进方案，还包括柔性连接部，所述柔性连接部连接于所述绝缘壳体远离所述插接槽的一端。
作为上述技术方案的进一步改进方案，于所述绝缘壳体与所述柔性连接部的连接处，所述绝缘壳体的截面积小于所述柔性连接部的截面积。
作为上述技术方案的进一步改进方案，所述柔性连接部的材料为聚氯乙烯。
作为上述技术方案的进一步改进方案，所述绝缘壳体的材料包括尼龙6与玻璃纤维。
作为上述技术方案的进一步改进方案，所述第一端子包括第一固定部与第一卡持部，所述第一固定部的一端与所述绝缘壳体固定，所述第一固定部的另一端连接有至少两个所述第一卡持部，相邻的两所述第一卡持部之间具有间 隙。
作为上述技术方案的进一步改进方案，同一所述第一端子上的各所述第一卡持部排列呈圆形。
作为上述技术方案的进一步改进方案，所述第二端子包括第二固定部与第二卡持部，所述第二固定部的一端与所述绝缘壳体固定，所述第二固定部的另一端连接有至少两个所述第二卡持部，相邻的两所述第二卡持部之间具有间隙。
作为上述技术方案的进一步改进方案，同一所述第二端子上的各所述第二卡持部排列呈圆形。
本发明解决其技术问题还采用以下技术方案：
一种电连接器，包括第一导线、第二导线以及上述的插头，所述第一端子与所述第一导线连接，所述第一导线可与所述车辆电池上的和所述第一端子相同极性的一端连接，所述至少一对第二端子与所述第二导线连接，所述第二导线可与所述车辆电池上的和所述第二端子相同极性的一端连接。
作为上述技术方案的进一步改进方案，还包括第一夹持件与第二夹持件，所述第一夹持件与所述第一导线电气连接，所述第一夹持件用于与所述车辆电池上的和所述第一端子相同极性的一端固定连接，所述第二夹持件与所述第二导线电气连接，所述第二夹持件用于与所述车辆电池上的和所述第二端子相同极性的一端固定连接。
本发明解决其技术问题还采用以下技术方案：
一种终端设备，用于对车辆电池进行检测或者进行充放电，所述终端设备包括内部电池，所述终端设备设有输出端口，所述输出端口包括：
基座，
第四端子，设置于所述基座；以及
至少一对第五端子，设置于所述基座，且每对第五端子以所述第四端子为中心呈中心对称分布；
所述第四端子与所述第五端子的极性相反；
其中，所述第四端子与所述内部电池的正负极中的一个连接，所述至少一对第五端子与所述内部电池的正负极中的另一个连接；
当所述终端设备对所述车辆电池进行检测或充放电时，所述第四端子与所述车辆电池上的和所述第四端子极性相同的一端连接，所述至少一对第五端子与所述车辆电池上的和所述至少一对第五端子极性相同的一端连接。
作为上述技术方案的进一步改进方案，还包括至少一对第六端子，所述至少一对第六端子设置于所述基座，其中，每对第六端子以所述第四端子为中心呈中心对称；
所述第六端子与所述第四端子的极性相同，所述第六端子与所述内部电池上的和所述第四端子相同极性的一端连接；
当所述终端设备对所述车辆电池进行检测或充放电时，所述第六端子与所 述车辆电池上的和所述第四端子极性相同的一端连接。
作为上述技术方案的进一步改进方案，各所述第六端子排成一排。
作为上述技术方案的进一步改进方案，所述第四端子、各所述第五端子与各所述第六端子排成一排。
作为上述技术方案的进一步改进方案，还包括至少一对第二信号端子，每对所述第二信号端子以所述第四端子为中心呈中心对称分布；
所述第二信号端子与所述所内部电池的正负极中的和所述第四端子相同极性的一端连接；或者，所述第二信号端子与所述内部电池的正负极中的和所述至少一对第五端子相同极性的一端连接。
作为上述技术方案的进一步改进方案，所述第四端子远离所述第四端子与所述基座的连接处的一端设有第一卡接孔；
和/或所述第五端子远离所述第五端子与所述基座的连接处的一端设有第二卡接孔。
本发明的有益效果是：
本发明实施例提供的插头包括绝缘壳体，以及固接于上述绝缘壳体上的第一端子和一对第二端子，该一对第二端子以第一端子的轴线为中心呈中心对称，第一端子与第二端子的极性相反。
由于所述一对第二端子是以第一端子的轴线中心对称分布，本发明实施例提供的插头无论是正向插接还是反向插接，第一端子均是位于中间，和与该插头适配的插座上的同极性端子配合；第二端子均是位于外侧，和与该插头适配的插座上的同极性端子配合。故，本发明实施例提供的插头无论是正向插接还是反向插接均能够与插座实现正常电气联通。
附图说明
一个或多个实施例通过与之对应的附图进行示例性说明，这些示例性说明并不构成对实施例的限定，附图中具有相同参考数字标号的元件表示为类似的元件，除非有特别申明，附图中的图不构成比例限制。
图1为本发明其中一实施例提供的电连接器的一个方向的立体示意图；
图2为图1中电连接器的另一个方向的立体示意图；
图3为图1中插头的正投影视图；
图4为图2中A处的局部放大示意图；
图5为本发明另一实施例提供的插头的各端子的排列示意图；
图6为本发明又一实施例提供的插头的各端子的排列示意图；
图7为本发明再一实施例提供的插头的各端子的排列示意图；
图8为本发明其中一实施例提供的终端设备的一个方向的立体示意图；
图9为图8中终端设备的正视图。
具体实施方式
为了便于理解本发明，下面结合附图和具体实施例，对本发明进行更详细的说明。需要说明的是，当元件被表述“固定于”/“固接于”另一个元件，它可以直接在另一个元件上、或者其间可以存在一个或多个居中的元件。当一个元件被表述“连接”另一个元件，它可以是直接连接到另一个元件、或者其间可以存在一个或多个居中的元件。本说明书所使用的术语“垂直的”、“水平的”、“左”、“右”、“内”、“外”以及类似的表述只是为了说明的目的。
除非另有定义，本说明书所使用的所有的技术和科学术语与属于本发明的技术领域的技术人员通常理解的含义相同。在本发明的说明书中所使用的术语只是为了描述具体的实施例的目的，不是用于限制本发明。本说明书所使用的术语“和/或”包括一个或多个相关的所列项目的任意的和所有的组合。
此外，下面所描述的本发明不同实施例中所涉及的技术特征只要彼此之间未构成冲突就可以相互结合。
在本说明书中，所述“安装”包括焊接、螺接、卡接、粘合等方式将某一元件或装置固定或限制于特定位置或地方，所述元件或装置可在特定位置或地方保持不动也可在限定范围内活动，所述元件或装置固定或限制于特定位置或地方后可进行拆卸也可不能进行拆卸，在本发明实施例中不作限制。
请参阅图1至图3，其分别示出了本发明其中一实施例提供的电连接器的两个方向的立体示意图以及插头的正投影视图，该电连接器100包括插头110、第一导线120、第二导线130、第一夹持件140与第二夹持件150。第一导线120的一端与插头110连接，另一端与第一夹持件140连接，第二导线130的一端与插头110连接，另一端与第二夹持件150连接。
对于上述插头110，请具体参照图1与图3，并同时结合图2，插头110包括绝缘壳体111、与绝缘壳体111的一端固定连接的柔性连接部112，以及设置于绝缘壳体111的另一端的第一端子113及第二端子114。
其中，绝缘壳体111的一端设有插接槽115，该插接槽115用于收容第一端子113与第二端子114，避免第一端子113与第二端子114裸露并伸出绝缘壳体111之外而容易被损坏的弊端。绝缘壳体111远离插接槽115的一端连接有上述柔性连接部112，于柔性连接部112与绝缘壳体111的连接处，柔性连接部112的截面积大于绝缘壳体111的截面积且整体覆盖绝缘壳体111的截面。柔性连接部112的上下表面均设有防滑纹路，便于用户手持插拔该插头110。绝缘壳体111可以选取尼龙、塑料、橡胶等绝缘材料，在本实施例中，绝缘壳体111的材料包括尼龙6与玻璃纤维的混合物，具体为在尼龙6中添加一定量的玻璃纤维以增强其强度、刚度及热稳定性等性能；柔性连接部112的材料可以选取塑料、橡胶等绝缘材料，本实施例中，柔性连接部112优选PVC(全名Polyvinyl chloride，聚氯乙烯)塑料。
对于上述第一端子，请参照图4，其示出了图2中A处的局部放大示意图，同时结合图1至图3，第一端子113设于插接槽115内，且整体沿插接槽115 的深度方向延伸。第一端子113包括第一固定部(未示出)与第一卡持部1131，第一固定部的一端与绝缘壳体111固定连接，另一端连接有六个第一卡持部1131，该六个第一卡持部1131之间平行设置且排列呈圆形形状，相邻的两第一卡持部1131之间具有间隙。在本实施例中，第一卡持部1131沿插接槽115的深度方向延伸，第一固定部也沿插接槽115的深度方向延伸，可以理解的是，在本发明的其他实施例中，第一卡持部1131与第一固定部还可以沿其他的方向延伸。上述第一卡持部1131的设置使第一端子113在和外部的端子上的与之相适配的卡接孔配合时，各第一卡持部1131能够在上述卡接孔的尺寸限制下向中心弹性靠拢，以使各第一卡持部1131与上述卡接孔的孔壁之间在径向产生一定的预紧力，从而使第一端子113插接地更牢固。应当理解：第一卡持部1131的数量并不局限于上述实施例中的六个，还可以是两个以上的任意数量，只要保证相邻的两卡持部之间具有一定间隙即可。
对于上述一对第二端子114，请具体参照图3与图4，同时结合图1与图2，第二端子114也设于插接槽115内，且整体沿插接槽115的深度方向延伸，该一对第二端子114以第一端子113为中心呈中心对称分布。第二端子114的结构与第一端子113的结构大致相同，包括第二固定部(未示出)与第二卡持部1141，第二固定部的一端与绝缘壳体111固定连接，另一端连接有六个第二卡持部1141，该六个第二卡持部1141之间平行设置且排列呈圆形形状，相邻的两第二卡持部1141之间具有间隙。在本实施例中，第二卡持部1141沿插接槽115的深度方向延伸，第二固定部也沿插接槽115的深度方向延伸，可以理解的是，在本发明的其他实施例中，第二卡持部1141与第二固定部还可以沿其他的方向延伸。上述第二卡持部1141的设置使第二端子114在和外部的端子上的与之相适配的卡接孔配合时，各第二卡持部1141能够在上述卡接孔的尺寸限制下向中心弹性靠拢，以使各第二卡持部1141与上述卡接孔之间在径向产生一定的预紧力，从而使第二端子114插接地更牢固。应当理解：第二卡持部1141的数量并不局限于上述实施例中的六个，还可以是两个以上的任意数量，只要保证相邻的两第二卡持部1141之间具有一定间隙即可。第二端子114与第一端子113的极性相反，在本发明的一些实施例中，第一端子113为正极端子，第二端子114为负极端子；在本发明的另一些实施例中，第一端子113为负极端子，第二端子114为正极端子。
对于上述第一导线120与第二导线130，请参照图1，第一导线120的一端与柔性连接部112连接，同时与第一端子113电气连接；第一导线120的另一端与第一夹持件140连接，同时与第一夹持件的第一夹持部电气连接。第二导线130的一端与柔性连接部112连接，同时与各第二端子114电气连接；第二导线130的另一端与第二夹持件150连接，同时与第二夹持件150的第二夹持部电气连接。
对于上述第一夹持件140与第二夹持件150，请参照图1与图2，第一夹持件140与第二夹持件150的形状结构相同，整体呈夹子状，用于夹持外部的 装置，如端子(未示出)等。第一夹持件140远离第一导线120的一端为第一夹持部141，第一夹持部141由金属材料制成，便于在第一夹持件140夹持于外部装置的同时，与该外部装置电气连接。第二夹持件150远离第二导线130的一端为第二夹持部151，第二夹持部151由金属材料制成，便于在第二夹持件150夹持于外部装置的同时，与该外部装置电气连接。
进一步的，为使该电连接器100在实现电气连接的同时，还能实现信号的传输，该电连接器100还包括至少一对第一信号端子116。具体的，请参照图3，两对第一信号端子116收容于上述插接槽115内，每对第一信号端子116中的两个第一信号端子116以所述第一端子113为中心呈中心对称分布。每对第一信号端子116与第一导线120电气连接或者第二导线130电气连接。
上述实施例提供的电连接器包括插头110、第一导线120、第二导线130、第一夹持件140与第二夹持件150，其中插头110包括绝缘壳体111，以及固接于上述绝缘壳体111上的第一端子113和一对第二端子114，该一对第二端子114以第一端子113为中心呈中心对称，且第一端子113与第二端子114的极性相反。故，本发明实施例提供的电连接器在将插头110和外部的终端设备(未示出)的输出端口插接配合的过程中，当插头正向插接时，第一端子113是位于中间，和与上述输出端口的同极性端子配合，第二端子114是位于外侧，和与上述输出端口的同极性端子配合，将上述“正向”定义为第一方向；当插头反向插接时，插头110整体以第一端子为旋转中心旋转180度，第一端子113仍是位于中间，和与上述输出端口的同极性端子配合，两第二端子114仍位于外侧，也恰好能与上述输出端口的同极性端子配合，将上述“反向”定义为第二方向。故，本发明实施例提供的插头无论是正向插接还是反向插接均能够实现正常电气联通。
虽然上述实施例中的第二端子仅有一对，但应当理解：在本发明的其他实施例中，上述第二端子还可以是两对及以上，该两对及以上的第二端子既可以是以第一端子为对称中心排列成一排，也可以是以第一端子为对称中心排列成多排，各排第二端子之间排列形成的线条相交与所述第一端子处。
请参照图5至图7，其分别示出了本发明提供的另外三种插头的端子排列示意图，为便于附图的简洁阅读，以上附图均未示出绝缘壳体，仅体现了各端子的排列示意图，该三种插头与上述实施例中的插头的主要不同在于：
第一个实施例中的插头仅包括一个第一端子，以及一对第二端子；而该三种插头除包括第一端子与第二端子之外，还包括第三端子。
首先，请参照图5，该插头包括第一端子113a、一对第二端子114a，以及一对第三端子117a，该一对第三端子117a设置于绝缘壳体并收容于上述插接槽，且该一对第三端子117a中的两个第三端子117a以第一端子113a为中心呈中心对称分布。第三端子117a与第一端子113a的极性相同，即是第三端子117a与上述的第一导线及第一夹持件电气连接。以第一端子为正极端子为例，本实施例中的正极端子多于第一实施例中的正极端子，即使在第一端子 113a接触不良或者损坏的情况下，仍能够通过第三端子实现正常的电气联通。可以理解的是，第三端子还可以是多对，在一些实施例中，该多对第三端子排列成一排。
其次，请参照图6，该插头包括第一端子113b、一对第二端子114b，以及一对第三端子117b，该一对第三端子117b设置于绝缘壳体并收容于上述的插接槽，且该一对第三端子117b中的两个第三端子117b以第一端子113b为中心呈中心对称分布。第三端子117b与第一端子113b的极性相同，即是第三端子117b与上述的第一导线及第一夹持件电气连接。本实施例与第二实施例中的插头的主要不同在于，第二实施例中的各第二端子与各第三端子并未排成一排，而本实施例中的各第二端子114b以及各第三端子117b以第一端子113b为中心排列成一排。可以理解的是，在其他的实施例中，第三端子还可以是多对，且该多对第三端子与各第二端子及第一端子排成一排。
最后，请参照图7，该插头包括第一端子113c、一对第二端子114c，以及两对第三端子117c，该两对第三端子117c设置于绝缘壳体，且每对第三端子117c中的两个第三端子117c以第一端子113c为中心呈中心对称分布。第三端子117c与第一端子113c的极性相同，即是第三端子117c与上述的第一导线及第一夹持件电气连接。本实施例与第二实施例中的插头的主要不同在于，本实施例中的第二端子114c为两对，且该两对第三端子并未排列成一排，而是每对第三端子之间形成的直线之间相交于第一端子113c处。
可以理解的是，本领域的技术人员能够在上述提供的三种插头实施例的基础上做出简要变形，例如，将第二端子设置成两对以上，该两对以上的第二端子可以排列成一排，也可以排列成多排。
此外，请参照图8及图9，基于同一发明构思，本发明还提供了一种终端设备200，该终端设备200包括基座210、内部电池(未示出)、电路控制模块(未示出)、第四端子220与一对第五端子230。内部电池固设于基座210的内部；电路控制模块固设于基座210内部且与上述内部电池连接；第四端子220与基座210固接，且一端通过电路控制模块与上述内部电池的正负极中的一个电气连接，另一端伸出基座210之外；第五端子230与基座210固接，且一端通过电路控制模块与上述内部电池的正负极中的另一个电气连接，另一端伸出基座210之外。基座210、电路控制模块、第四端子220与第五端子230之间形成该终端设备200的输出端口，该输出端口与上述第一实施例中的插头的设有第一端子及第二端子的一端相适配。可以理解的是，第四端子220和/或第五端子230可以是直接与基座210固定连接，也可以是通过固接于上述电路控制模块而与基座210间接固定连接。
对于上述基座210，请参照图8，同时结合图1至图7，其整体呈盒状，其一端设有容置槽211，该容置槽211的形状与上述插头110的绝缘壳体111的形状相适配。该容置槽211用于容置第四端子220与第五端子230，避免第四端子220与第五端子230裸露并伸出基座210之外而容易被损坏的弊端。
对于上述第四端子220，请参照图9，同时结合图1至图8，第四端子220设于容置槽211内，且整体沿容置槽211的深度方向延伸。第四端子220远离其与基座210的连接处的一端设有第一卡接孔，该第一卡接孔与上述插头上的第一端子113的第一卡持部1131相适配。当各第一卡持部1131插入于该第一卡接孔时，各第一卡持部1131将在第一卡接孔的尺寸限制下向中心弹性靠拢，从而使各第一卡持部1131与第四端子220之间在径向产生一定的预紧力，故第一端子113与第四端子220的插接更牢固。
对于上述一对第五端子230，请具体参照图9，同时结合图1至图8，第五端子230也设于容置槽211内，且整体沿容置槽211的深度方向延伸，该一对第五端子230以第四端子220为中心呈中心对称分布。第五端子230的结构与第四端子220的结构大致相同，第五端子230在远离其与基座210的连接处的一端设有第二卡接孔，该第二卡接孔与上述插头的第二端子的第二卡持部1141相适配。当各第二卡持部1141插入于该第二卡接孔时，各第二卡持部1141将在第二卡接孔的尺寸限制下向中心弹性靠拢，从而使各第二卡持部1141与第五端子230之间在径向产生一定的预紧力，故第二端子114与第五端子230的插接更牢固。第五端子230与第四端子220的极性相反，其中，第四端子220与第一端子113的极性相同，第五端子230与第二端子114的极性相同。在本发明的一些实施例中，第四端子220为正极端子且与上述内部电池的正极连接，第五端子230为负极端子且与上述内部电池的负极连接；在本发明的另一些实施例中，第四端子220为负极端子且与上述内部电池的负极连接，第五端子230为正极端子且与上述内部电池的正极连接。
进一步的，为使该终端设备200的输出端口在实现电气连接的同时，还能实现信号的传输，该终端设备200还包括至少一对第二信号端子240，该第二信号端子240与上述插头结构中的第一信号端子116相对应。具体的，请参照图9，两对第二信号端子240收容于上述容置槽211内，每对第二信号端子240中的两个第二信号端子240以所述第四端子220为中心呈中心对称分布。
上述实施例提供的终端设备包括基座210、第四端子220，以及一对第五端子230，该一对第五端子230以第四端子220为中心呈中心对称，且第四端子220与第五端子230的极性相反。故，本发明实施例提供的终端设备的输出端口在与上述实施例提供的插头110配合的过程中，插头无论是正向(第一方向)插接还是反向(第二方向)插接均能够实现正常电气联通。
在一些实施例中，该终端设备为与车辆电池相关的应急启动设备，其用于为车辆充放电。具体的，所述应急启动设备可通过上述的电连接器与车辆电池实现电气连接，所述电连接器设有第一端子及第二端子的一端可与应急启动设备上设置的输出端口配适，第一端子通过第四端子与该应急启动设备的内部电池的正负极中的一个连接，一对第二端子通过一对第五端子与该应急启动设备中的内部电池的正负极中的另一个连接，以使所述内部电池的正负极与所述插头连接；所述电连接器的另一端可通过第一导线(或者第一导线及第一夹持件) 与车辆电池上的和第一端子相同极性的一端进行连接，同时可通过第二导线(或者第二导线及第二夹持件)与车辆电池上的和第二端子相同极性的一端进行连接。
在一些实施例中，该终端设备为车辆电池诊断设备，其用于对所述车辆电池的性能进行检测。具体的，所述车辆电池诊断设备可通过上述的电连接器与车辆电池实现电气连接，所述电连接器设有第一端子及第二端子的一端可与车辆电池诊断设备上设置的输出端口配适，第一端子通过第四端子与该车辆电池诊断设备的内部电池的正负极中的一个连接，一对第二端子通过一对第五端子与该车辆电池诊断设备中的内部电池的正负极中的另一个连接，以使所述内部电池的正负极与所述插头连接；所述电连接器的另一端可通过第一导线(或者第一导线及第一夹持件)与车辆电池上的和第一端子相同极性的一端进行连接，同时可通过第二导线(或者第二导线及第二夹持件)与车辆电池上的和第二端子相同极性的一端进行连接。此外该车辆诊断设备还可以通过其上设置的第二信号端子与上述电连接器上的第一信号端子的配合实现对电池性能的检测，其中相互配合的第一信号端子与第二信号端子的极性相同且用于传递检测信号；在一些实施例中，第一信号端子通过第一导线及第一夹持件与车辆电池上的和第一端子相同极性的一端连接，当上述插头与上述输出端口配适时，内部电池的正负极中与第一端子极性相同的一个通过第二信号端子与第一信号端子连接；在另一些实施例中，第一信号端子通过第二导线及第二夹持件与车辆电池上的和第二端子相同极性的一端连接，当上述插头与上述输出端口配适时，内部电池的正负极中与第二端子极性相同的一个通过第二信号端子与第一信号端子连接。
可以理解的是，在本发明的其他实施例中，上述终端设备还可以是其他与车辆电池相关的设备，只要其上设有输出端口，并能通过上述的电连接器与车辆电池实现连接即可，在此不一一限定。
即使上述实施例提供的终端设备的第五端子仅有一对，但应当理解：在本发明的其他实施例中，上述第五端子还可以是两对及以上，该两对及以上的第五端子既可以是以第四端子为对称中心排列成一排，也可以是以第四端子为对称中心排列成多排，各排第五端子之间排列形成的线条相交与所述第一端子处。
进一步的，该终端设备200还可以包括一对第六端子(未示出)，该一对第六端子固设于基座210，所述第六端子与上述插头结构的第二实施例中的第三端子相对应，该一对第六端子设置于基座210，且该一对第六端子中的两个第六端子以第四端子为中心呈中心对称分布，同时，第六端子与第四端子的极性相同，并与上述内部电池上的和所述第四端子相同极性的一端连接；当所述终端设备对所述车辆电池进行检测或充放电时，第六端子与车辆电池上的和第四端子极性相同的一端连接。以第四端子为正极端子为例，多个正极端子的设置使该终端设备200在第四端子220接触不良或者损坏的情况下，该终端设备 200仍能够通过第六端子实现正常的电气联通。可以理解的是该一对第六端子可以与第四端子、第五端子排成一排，也可以与上述一对第五端子形成的直线错开。
与上述的插头结构相似，终端设备上的第六端子也可以是两对及以上，此时，各对第六端子可以共同排成一排同时与第二端子错开，也可以与第四端子及第五端子共同排成一排，还可以是各对第六端子之间本身排列成不同排并相交与第四端子处，在此不一一限定。
最后应说明的是：以上实施例仅用以说明本发明的技术方案，而非对其限制；在本发明的思路下，以上实施例或者不同实施例中的技术特征之间也可以进行组合，步骤可以以任意顺序实现，并存在如上所述的本发明的不同方面的许多其它变化，为了简明，它们没有在细节中提供；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的范围。

Claims (22)

  1. 一种插头，其特征在于，所述插头用于与车辆电池相关的终端设备连接，所述插头的一端可与所述终端设备的输出端口配适，所述插头的另一端可通过导线与所述车辆电池连接，以使所述终端设备可对所述车辆电池进行检测或进行充放电操作；
    所述插头包括：
    绝缘壳体；
    第一端子，设置于所述绝缘壳体；以及
    至少一对第二端子，设置于所述绝缘壳体，且每对第二端子以所述第一端子为中心呈中心对称分布；
    所述第一端子与所述第二端子的极性相反；
    所述第一端子可通过一条导线与所述车辆电池上的和所述第一端子相同极性的一端进行连接；
    所述至少一对第二端子可通过另一条导线与所述车辆电池上的和所述至少一对第二端子相同极性的另一端进行连接；
    当所述插头与所述输出端口配适时，所述第一端子与所述终端设备中的内部电池的正负极中和所述第一端子相同极性的一个连接，所述至少一对第二端子与所述内部电池的正负极中的和所述第二端子相同极性的一个连接，以使所述内部电池的正负极可通过所述插头及所述导线与所述车辆电池连接；
    其中，所述插头可从第一方向与第二方向中的任意一个方向与所述输出端口进行配适，所述第一方向及所述第二方向为以所述第一端子为旋转中心间隔180度的两个方向。
  2. 根据权利要求1所述的插头，其特征在于，还包括至少一对第三端子，所述至少一对第三端子设置于所述绝缘壳体，其中，每对第三端子以所述第一端子为中心呈中心对称分布；
    所述第三端子与所述第一端子的极性相同，所述第三端子可通过导线与所述车辆电池上的和所述第一端子相同极性的一端进行连接；
    当所述插头与所述输出端口配适时，所述内部电池的正负极中与所述第一端子极性相同的一个与所述第三端子连接。
  3. 根据权利要求2所述的插头，其特征在于，各所述第三端子排成一排。
  4. 根据权利要求2所述的插头，其特征在于，所述第一端子、各所述第二端子与各所述第三端子排成一排。
  5. 根据权利要求1所述的插头，其特征在于，还包括至少一对第一信号 端子，每对第一信号端子以所述第一端子为中心呈中心对称分布；
    所述第一信号端子可通过导线与所述车辆电池上的和所述第一端子相同极性的一端连接，当所述插头与所述输出端口配适时，所述内部电池的正负极中与所述第一端子极性相同的一个与所述第一信号端子连接；或者，所述第一信号端子可通过导线与所述车辆电池上的和所述第二端子相同极性的一端连接，当所述插头与所述输出端口配适时，所述内部电池的正负极中与所述第二端子极性相同的一个与所述第一信号端子连接。
  6. 根据权利要求1至5任一项所述的插头，其特征在于，所述绝缘壳体的一端设有插接槽，所述第一端子与各所述第二端子均收容于所述插接槽内。
  7. 根据权利要求6所述的插头，其特征在于，还包括柔性连接部，所述柔性连接部连接于所述绝缘壳体远离所述插接槽的一端。
  8. 根据权利要求7所述的插头，其特征在于，于所述绝缘壳体与所述柔性连接部的连接处，所述绝缘壳体的截面积小于所述柔性连接部的截面积。
  9. 根据权利要求7所述的插头，其特征在于，所述柔性连接部的材料为聚氯乙烯。
  10. 根据权利要求1至5任一项所述的插头，其特征在于，所述绝缘壳体的材料包括尼龙6与玻璃纤维。
  11. 根据权利要求1至5任一项所述的插头，其特征在于，所述第一端子包括第一固定部与第一卡持部，所述第一固定部的一端与所述绝缘壳体固定，所述第一固定部的另一端连接有至少两个所述第一卡持部，相邻的两所述第一卡持部之间具有间隙。
  12. 根据权利要求11所述的插头，其特征在于，同一所述第一端子上的各所述第一卡持部排列呈圆形。
  13. 根据权利要求1至5任一项所述的插头，其特征在于，所述第二端子包括第二固定部与第二卡持部，所述第二固定部的一端与所述绝缘壳体固定，所述第二固定部的另一端连接有至少两个所述第二卡持部，相邻的两所述第二卡持部之间具有间隙。
  14. 根据权利要求13所述的插头，其特征在于，同一所述第二端子上的各所述第二卡持部排列呈圆形。
  15. 一种电连接器，其特征在于，包括第一导线、第二导线以及如权利要求1至14任一项所述的插头，所述第一端子与所述第一导线连接，所述第一导线可与所述车辆电池上的和所述第一端子相同极性的一端连接，所述至少一对第二端子与所述第二导线连接，所述第二导线可与所述车辆电池上的和所述第二端子相同极性的一端连接。
  16. 根据权利要求15所述的电连接器，其特征在于，还包括第一夹持件与第二夹持件，所述第一夹持件与所述第一导线电气连接，所述第一夹持件用于与所述车辆电池上的和所述第一端子相同极性的一端固定连接，所述第二夹持件与所述第二导线电气连接，所述第二夹持件用于与所述车辆电池上的和所述第二端子相同极性的一端固定连接。
  17. 一种终端设备，其特征在于，用于对车辆电池进行检测或者进行充放电，所述终端设备包括内部电池，所述终端设备设有输出端口，所述输出端口包括：
    基座，
    第四端子，设置于所述基座；以及
    至少一对第五端子，设置于所述基座，且每对第五端子以所述第四端子为中心呈中心对称分布；
    所述第四端子与所述第五端子的极性相反；
    其中，所述第四端子与所述内部电池的正负极中的一个连接，所述至少一对第五端子与所述内部电池的正负极中的另一个连接；
    当所述终端设备对所述车辆电池进行检测或充放电时，所述第四端子与所述车辆电池上的和所述第四端子极性相同的一端连接，所述至少一对第五端子与所述车辆电池上的和所述至少一对第五端子极性相同的一端连接。
  18. 根据权利要求17所述的终端设备，其特征在于，还包括至少一对第六端子，所述至少一对第六端子设置于所述基座，其中，每对第六端子以所述第四端子为中心呈中心对称；
    所述第六端子与所述第四端子的极性相同，所述第六端子与所述内部电池上的和所述第四端子相同极性的一端连接；
    当所述终端设备对所述车辆电池进行检测或充放电时，所述第六端子与所述车辆电池上的和所述第四端子极性相同的一端连接。
  19. 根据权利要求18所述的终端设备，其特征在于，各所述第六端子排成一排。
  20. 根据权利要求19所述的终端设备，其特征在于，所述第四端子、各所述第五端子与各所述第六端子排成一排。
  21. 根据权利要求17所述的终端设备，其特征在于，还包括至少一对第二信号端子，每对所述第二信号端子以所述第四端子为中心呈中心对称分布；
    所述第二信号端子与所述内部电池的正负极中的和所述第四端子相同极性的一端连接；或者，所述第二信号端子与所述内部电池的正负极中的和所述至少一对第五端子相同极性的一端连接。
  22. 根据权利要求17至21任一项所述的终端设备，其特征在于，所述第四端子远离所述第四端子与所述基座的连接处的一端设有第一卡接孔；
    和/或所述第五端子远离所述第五端子与所述基座的连接处的一端设有第二卡接孔。
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