WO2022012230A1 - 一种连接器和电子设备 - Google Patents

一种连接器和电子设备 Download PDF

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Publication number
WO2022012230A1
WO2022012230A1 PCT/CN2021/099009 CN2021099009W WO2022012230A1 WO 2022012230 A1 WO2022012230 A1 WO 2022012230A1 CN 2021099009 W CN2021099009 W CN 2021099009W WO 2022012230 A1 WO2022012230 A1 WO 2022012230A1
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WO
WIPO (PCT)
Prior art keywords
connector
housing
nut
conductive core
connector according
Prior art date
Application number
PCT/CN2021/099009
Other languages
English (en)
French (fr)
Inventor
张秀锋
高拥兵
李茂繁
邓雪冬
陈贺
Original Assignee
华为数字能源技术有限公司
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 华为数字能源技术有限公司 filed Critical 华为数字能源技术有限公司
Priority to EP21841593.3A priority Critical patent/EP4170827A4/en
Publication of WO2022012230A1 publication Critical patent/WO2022012230A1/zh
Priority to US18/152,898 priority patent/US20230187884A1/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
    • 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
    • H01R13/73—Means for mounting coupling parts to apparatus or structures, e.g. to a wall
    • H01R13/74—Means for mounting coupling parts in openings of a panel
    • H01R13/746—Means for mounting coupling parts in openings of a panel using a screw ring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00—Spanners; Wrenches
    • B25B13/48—Spanners; Wrenches for special purposes
    • B25B13/485—Spanners; Wrenches for special purposes for theft-proof screws, bolts or nuts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
    • H01R12/58—Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/7005—Guiding, mounting, polarizing or locking means; Extractors
    • H01R12/7011—Locking or fixing a connector to a PCB
    • H01R12/707—Soldering or welding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • H01R12/716—Coupling device provided on the PCB
    • 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
    • H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
    • 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
    • H01R13/622—Screw-ring or screw-casing
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/30—Electrical components
    • H02S40/34—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/7005—Guiding, mounting, polarizing or locking means; Extractors
    • H01R12/7011—Locking or fixing a connector to a PCB
    • H01R12/7052—Locking or fixing a connector to a PCB characterised by the locating members

Definitions

  • the present application relates to the technical field of connectors, and in particular, to a connector and an electronic device that are easy to install.
  • Connectors are widely used in electronic devices to achieve electrical connection between two electronic devices or between more electronic devices.
  • connectors are generally used in pairs.
  • a male connector can be installed on the photovoltaic cell end, and a female connector can be installed on the inverter end. After the male connector is docked with the female connector, the electrical connection between the photovoltaic cell and the inverter can be realized.
  • the conductive core of the connector is electrically connected to the circuit board inside the inverter through a cable. The steps are complicated, and connection reliability problems are prone to occur.
  • the present application provides a connector and an electronic device having the connector which is convenient for improving installation convenience and installation effect.
  • the present application provides a connector including a housing, a conductive core and a fixing structure.
  • the housing has a channel extending through its first and second ends; the conductive core is disposed within the channel.
  • One end of the conductive core is provided with a welding leg, and the welding leg protrudes from the first end of the casing; the casing is fixedly mounted on the panel through the fixing structure.
  • the conductive core can be directly soldered on the circuit board, so that the connection effect between the conductive core and the circuit board can be improved and installation steps can be reduced.
  • the fixed structure can be a nut and a shoulder.
  • an outer thread and a shoulder can be provided on the outer peripheral surface of the casing, and a nut can be sleeved on the outer circumference of the casing and screwed with the outer thread.
  • the nut When the nut is tightened, the nut can gradually move in the direction of the housing panel, so that the housing panel is clamped and fixed between the nut and the shoulder.
  • the operator can rotate the nut through the tooling.
  • the tooling is provided with protrusions or grooves
  • the end face of the nut is provided with grooves or protrusions, wherein the end face is the end face away from the shoulder.
  • the protrusions or grooves on the tooling are used to mate with the grooves or protrusions of the nut.
  • the operator can turn the nut by rotating the tooling. Since the above-mentioned groove or protrusion structure is provided on the end surface of the nut, the tool can act on the nut from one end of the nut to rotate the nut. Therefore, when a plurality of connectors are provided, the distance between adjacent connectors can be reduced as much as possible. That is, it is not necessary to reserve an operation space for rotating the nut between adjacent connectors, thereby facilitating the realization of a compact layout of the connectors.
  • the tooling can be a cylindrical structure, and the protrusions or grooves of the tooling can be arranged on one of the end faces of the cylindrical structure.
  • the space inside the electronic device may be relatively cramped, in order to facilitate installation.
  • the nut is disposed away from the first end of the housing relative to the shoulder. Specifically, both the first end of the housing and the shoulder are located inside the electronic device (or the inner side of the housing panel), and the nut is located outside the electronic device (or the outer side of the housing panel).
  • the nut can be installed on the housing of the connector from the outside of the electronic device, so that the tooling can have a larger operating space during the process of installing the nut.
  • a plurality of grooves or protrusions can be provided on the nut, and the plurality of grooves or protrusions can be evenly distributed around the axis of the nut.
  • a plurality of protrusions or grooves provided on the tooling can also be correspondingly provided, and the plurality of protrusions or grooves can also be evenly distributed around the axis of the tooling.
  • the shoulder may be configured as a flange extending around the outer circumference of the housing.
  • a sealing ring can also be arranged between the shoulder and the shell panel.
  • the sealing ring is tightly clamped between the shoulder and the shell panel, so that the gap between the connector and the shell panel can be lifted. of airtightness.
  • a positioning post may be provided on the end face of the first end of the housing.
  • positioning holes may be provided on the circuit board, and positioning posts may be inserted into the positioning holes to prevent positional deviation in the radial direction (perpendicular to the central axis of the positioning holes) between the circuit board and the connector.
  • the positioning column and the positioning hole can be assembled by means of interference fit, so as to improve the connection stability between the casing and the circuit board.
  • the number of positioning posts and positioning holes can be adaptively adjusted according to actual needs, which is not limited in this application.
  • the conductive core is slidably arranged in the channel. That is, the conductive core can slide a predetermined distance relative to the housing in the axial direction, and the distance can be used to compensate the installation error generated when the connector is installed on the electronic device. Specifically, when there is a dimensional error in any of the shell panel, the housing of the connector, the circuit board and the conductive core, the dimensional error can be compensated by this distance, thereby improving the manufacturing and assembly of the above components. Fault tolerance and installation reliability.
  • the connector not only needs to be connected to the electronic device, but also needs to be electrically connected to other electronic devices or cables, so as to realize the connection between the electronic device and other electronic devices or cables.
  • other electronic devices or cables can also be provided with connectors (external connectors) adapted to the connectors.
  • the housing of the connector in the present application may be provided with a first connecting portion.
  • the first connecting portion may be a hook, a hole or the like.
  • the connector housing in the present application may be provided with a hook hole for engaging with the hook structure.
  • the connector housing in the present application may be provided with a snap hook for engaging with the snap-hole structure. It can be understood that, in the specific configuration, the specific structure type of the first connecting portion is not limited to a hook or a hole.
  • the conductive core in the present application further includes a second connecting portion, and the second connecting portion is used to connect with the conductive structure of the external connector, so as to realize the connection between the connector and the external connector. conductive connection.
  • the conductive core when the conductive structure of the external connector is connected to the second connection portion, the conductive core may be subjected to a large force, in order to prevent the force from being transmitted to the solder pins and affecting the space between the solder pins and the circuit board
  • the connection reliability is improved, and a flexible part is also provided between the second connection part and the solder leg.
  • the flexible portion When the second connection portion is subjected to the force of the external connector (specifically, the conductive structure of the connector), the flexible portion can buffer or weaken the force transmitted to the solder legs through its own deformation, so that the solder legs can be lifted. Connection reliability to the circuit board.
  • the present application also provides an electronic device, including a casing panel, a circuit board, and the above-mentioned connector; the casing panel is provided with a through hole, and the shell of the connector is penetrated through the through hole; wherein, the circuit board And the first end of the housing of the connector is on the same side of the housing panel, and the second end of the housing is on the other side of the housing panel.
  • the electronic device may be an inverter, a cabinet, or the like.
  • the inverter is a converter that converts DC power into constant frequency and constant voltage or frequency modulation and voltage regulation AC power.
  • the inverter can include functional circuits such as filter circuits, measurement circuits, and inverter circuits.
  • the above functions Circuits can be integrated in circuit boards.
  • the circuit board of the inverter When the inverter is applied in the photovoltaic system, the circuit board of the inverter can be electrically connected with the photovoltaic cell in the photovoltaic system through the connector, and the direct current in the photovoltaic cell can pass through the filter circuit, measuring circuit, Functional circuits such as inverter circuits are used for processing to convert direct current into alternating current, so as to transmit alternating current to the user terminal or integrate it into the power grid.
  • FIG. 1 is a schematic assembly diagram of a connector and an inverter provided by an embodiment of the present application
  • FIG. 2 is a schematic three-dimensional structure diagram of a connector according to an embodiment of the present application.
  • FIG. 3 is a schematic cross-sectional structure diagram of a connector provided in an embodiment of the present application assembled to an electronic device;
  • FIG. 4 is a schematic cross-sectional structural diagram of a connector in an exploded state provided by an embodiment of the present application
  • FIG. 5 is a schematic three-dimensional structure diagram of a connector and a tooling provided by an embodiment of the present application
  • FIG. 6 is a schematic three-dimensional structural diagram of an electronic device according to an embodiment of the present application.
  • FIG. 7 is a schematic diagram of the assembly of a connector and a cable according to an embodiment of the present application.
  • FIG. 8 is a schematic three-dimensional structural diagram of another connector provided by an embodiment of the present application.
  • FIG. 9 is a top view of an electronic device according to an embodiment of the present application.
  • FIG. 10 is a schematic diagram of an exploded structure of an electronic device according to an embodiment of the application.
  • FIG. 11 is a schematic diagram of an exploded structure of another electronic device provided by an embodiment of the present application.
  • the connector provided by the present application can be applied to various electronic devices to realize electrical connection between the electronic device and other electronic devices or external cables.
  • the inverter is a converter that converts direct current into fixed-frequency constant-voltage or frequency-modulated and voltage-regulated alternating current.
  • the inverter can be used in photovoltaic systems to convert direct current in photovoltaic cells. for alternating current.
  • a connector 02 can be installed on the housing panel 011 of the inverter 01, and the photovoltaic strings of the photovoltaic cells
  • a cable can be connected to the connector 02 (specifically, a photovoltaic string cable can be provided with a connector for connecting to the connector 02).
  • Functional circuits 03 such as filter circuits, measurement circuits, and inverter circuits can be installed inside the inverter 01 .
  • One end of the connector 02 is electrically connected to the functional circuit 03 through a section of cable 04, and the other end can be connected to the photovoltaic string cable.
  • the direct current in the photovoltaic cell is connected to the functional circuit 03 inside the inverter 01 through the photovoltaic string cable and the connector 02.
  • the functional circuit 03 filters, measures, and inverts the direct current and finally outputs the alternating current.
  • the connector 02 not only needs to have reliable electrical connection performance and dustproof and waterproof performance, but also needs to have good installability.
  • the connector 02 includes a housing 021 and a conductive core 022 disposed in the housing 021 (the conductive core 022 and the housing 021 are in a separated state in the figure).
  • the conductive core 022 needs to be crimped on the left end of the cable 04 (for example, the conductive core 022 and the cable 04 are pressed with crimping pliers to realize the electrical connection between the conductive core 022 and the cable 04 ). and fixed connections).
  • the right end of the cable 04 is connected to the circuit board through a connection terminal (such as an OT terminal, also known as a circular cold-pressed terminal), so as to realize the electrical connection between the connector 02 and the circuit board.
  • a connection terminal such as an OT terminal, also known as a circular cold-pressed terminal
  • a through hole (not shown in the figure) for passing through the casing 021 of the connector 02 is usually provided on the casing panel 011 of the inverter 01, and the casing 021 is formed by the outer side of the casing panel 011 (the casing 021 in the figure is not shown).
  • the nut 05 is used to screw the right end of the casing 021, so that the casing panel 011 near the through hole is clamped and fixed between the casing 021 and the nut 05.
  • the housing 021 of the connector 02 needs to be installed from the outside of the housing panel 011 of the inverter 01. Therefore, the conductive core 022 can only be installed after the housing 021 of the connector 02 is fixedly connected to the housing panel 011. It is inserted and fixed in the housing 021 , otherwise blocking interference will be formed between the cable 04 and the housing panel 011 .
  • the conductive core 022 is inserted and fixed in the housing 021 , the functional circuit 03 and other components inside the panel of the housing 021 may be close to the connector 02 , thus hindering the installation tool and causing problems such as difficulty in installation.
  • the present application provides a connector that is conducive to reducing installation difficulty and improving installation efficiency.
  • references in this specification to "one embodiment” or “some embodiments” and the like mean that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the present application.
  • appearances of the phrases “in one embodiment,” “in some embodiments,” “in other embodiments,” “in other embodiments,” etc. in various places in this specification are not necessarily All refer to the same embodiment, but mean “one or more but not all embodiments” unless specifically emphasized otherwise.
  • the terms “including”, “including”, “having” and their variants mean “including but not limited to” unless specifically emphasized otherwise.
  • the connector 10 includes a housing 11 , a conductive core 12 and a nut 13 .
  • the casing 11 has a channel 111 running through its first end (the right end in the figure) and the second end (the left end in the figure), and the channel 111 is used to install the conductive core 12; the conductive core 12 One end (the right end in the figure) is provided with a soldering pin 121, and the soldering pin 121 protrudes from the first end of the housing 11, and the soldering pin 121 is used for soldering connection with the circuit board 22, so as to realize the connection between the conductive core 12 and the circuit Electrical and fixed connections between boards 22 .
  • the housing panel 21 of the electronic device 20 is provided with a through hole (not shown in the figure), and the housing 11 of the connector 10 can pass through the through hole from the inner side of the housing panel 21 from right to left, and the outer periphery of the housing 11
  • the retaining shoulder 112 of the can abut against the housing panel 21 near the through hole, so as to realize the positioning between the housing 11 and the housing panel 21 .
  • the nut 13 is sleeved on the outer periphery of the housing 11 by the left end of the housing 11. After the nut 13 and the housing 11 are gradually tightened, the right end of the nut 13 is in contact with the outer side of the housing panel 21, and the left end of the shoulder 112 is connected to the outer side of the housing panel 21.
  • the inner sides are butted against each other to clamp and fix the casing panel 21 between the nut 13 and the shoulder 112 , so as to realize the relative fixing between the casing 11 and the casing panel 21 .
  • the circuit board 22 in the electronic device 20 can be electrically connected to other external devices or cables through the conductive core 12 of the connector 10 to meet the requirement of quick connection between the electronic device 20 and other external devices or cables.
  • the solder pins 121 of the conductive core 12 can be soldered on the circuit board by using a welding process such as wave soldering, and then the connector housing 11 is inserted from left to right on the conductive core 12.
  • the conductive core 12 is inserted into the channel 111, and then the whole of the conductive core 12, the shell 11 and the circuit board 22 is installed in the shell panel 21 so that the left end of the shell 11 protrudes from the shell panel 21; finally Tighten the nut 13 from the left end of the housing 11 to the right to realize the assembly between the connector 10 and the electronic device 20 .
  • the conductive core 12 can be directly soldered on the circuit board 22 , so that the connection effect and convenience between the conductive core 12 and the circuit board 22 can be improved.
  • the shell 11 of the connector 10 can be sleeved and fixed on the periphery of the conductive core 12, so that the shell 11 of the connector 10, the conductive core 12 and the circuit board 22 can be assembled into an integral installation Inside the case panel 21, the assembly process can be simplified. When the number of connectors 10 is large, this advantage will become more obvious, and the assembly efficiency can be significantly improved.
  • the nut 13 can be attached to the connector housing 11 from the outside of the housing panel 21, the operation space at the time of attachment is relatively sufficient.
  • a sealing ring 14 may be provided between the shoulder 112 and the housing panel 21 . After the nut 13 is tightened, the sealing ring 14 is tightly clamped between the shoulder 112 and the housing panel 21 to prevent impurities such as dust and moisture from entering the electronic device.
  • the shape and structure of the shoulder 112 can be various.
  • the shoulder 112 is configured as a flange structure extending outward around the outer circumference of the housing 11 .
  • the cross-sectional outer contour of the shoulder 112 may be a circle, a rectangle, an ellipse, etc., which is not specifically limited in this application.
  • a reinforcing rib 113 is also provided on one side of the shoulder 112.
  • the reinforcement The ribs 113 can effectively improve the stress performance of the shoulder 112, prevent the shoulder 112 from being significantly deformed or even broken, and can also effectively improve the fit between the shoulder 112 and the sealing ring 14, which is beneficial to ensure its dustproof and waterproof performance.
  • the end surface of the first end (the right end in the figure) of the housing 11 is provided with Positioning post 114a and positioning post 114b.
  • the circuit board 22 is provided with a positioning hole 221a and a positioning hole 221b, the positioning post 114a can be inserted in the positioning hole 221a, and the positioning post 114b can be inserted in the positioning hole 221b, so as to prevent the circuit board 22 and the casing There is a positional deviation in the radial direction (perpendicular to the central axis of the positioning hole) between 11.
  • the connection strength between the housing 11 and the circuit board 22 can be effectively improved, and at the same time, the circuit board 22 can also act on the solder pins 121. Therefore, the stability of the connection between the conductive core 12 and the circuit board 22 is effectively ensured, and the soldering feet 121 and the circuit board 22 are prevented from loosening or being separated from each other.
  • the positioning post 114a and the positioning hole 221a can be assembled by means of interference fit, and the positioning post 114b and the positioning hole 221b can be assembled by means of interference fit, so as to improve the housing 11 and the circuit
  • the connection stability between the plates 22 can be adaptively adjusted according to actual needs, which is not limited in this application.
  • the conductive core 12 further includes a second connection portion 125 for connecting with the conductive structure of the external connector.
  • the second connecting portion 125 is a columnar structure located at the left end of the conductive core 12 , and the conductive structure of the external connector can be plugged and sleeved on the periphery of the second connecting portion 125 to realize the connection between the second connecting portion 125 and the outside. connection to the conductive structure of the device.
  • a flexible part (not shown in the figure) is further provided between the second connection part 125 and the solder fillet 121 .
  • the flexible portion can buffer or weaken the force transmitted to the solder pins 121 through its own deformation, so as to improve the The reliability of the connection between the solder pins 121 and the circuit board 22 .
  • a section with a smaller cross-sectional profile may be provided between the second connection portion 125 and the welding leg 121 , and this portion may constitute a flexible portion.
  • a relatively flexible cable can also be used for connection between the second connecting portion 125 and the soldering leg 121.
  • the cable can absorb the external force through its own deformation, thereby The external force is effectively reduced or prevented from being transmitted to the solder legs 121 .
  • the acting force between the second connection portion 125 and the welding leg 121 may also be buffered by other structural forms, which will not be repeated here.
  • the conductive core 12 is slidably disposed in the channel 111 . That is, the conductive core 12 can slide relative to the housing 11 by a predetermined distance in the axial upward direction (left and right directions in the figure), and the distance can be used to compensate the installation error generated when the connector 10 is installed on the electronic device 20 .
  • the dimensional error can be compensated by the distance, so that the above components can be improved in the Fault tolerance and installation reliability during fabrication and assembly.
  • the outer periphery of the conductive core 12 is provided with an elastic sheet 122 that is tilted outward
  • the channel 111 of the housing 11 is provided with a closing portion 115 .
  • the closing portion 115 abuts against the outer side of the elastic sheet 122, so that the elastic sheet 122 elastically deforms toward the inner side of the conductive core 12; continue to push the conductive core 12 to make the elastic sheet 122 cross the closing portion
  • the elastic piece 122 recovers to a state of being tilted outward under the action of its own elastic force.
  • the elastic piece 122 abuts against the left end surface 1151 of the closing portion 115 , so that the conductive core 12 can be prevented from being pulled out.
  • the conductive core 12 can be formed by cutting, punching, and crimping a metal sheet, and the elastic sheet 122 can be formed by bending a part of the metal sheet outward through a cutting process, and the elastic sheet 122 can be wound around the conductive core 122.
  • the channel 111 is provided with a first abutting surface 116 facing the right side.
  • the conductive core 12 is provided with a second abutting surface 123 facing the left side.
  • the conductive core 12 can only move a preset distance relative to the housing 11 under the combined action of the elastic piece 122 abutting the end surface 1151 of the closing portion 115 and the first abutting surface 116 and the second abutting surface 123 abutting. It can be understood that, in other embodiments, other limiting structures may also be provided in the conductive core 12 and the channel 111 to position the conductive core 12 in the channel 111 and allow the conductive core 12 to slide in the channel 111 for a predetermined time period. set distance.
  • a positioning through hole 117 is provided in the channel 111 of the casing 11 .
  • a part of the outer peripheral surface 124 of the conductive core 12 cooperates with the inner wall of the positioning through hole 117 to prevent the conductive core 12 from aligning radially (up and down in the figure) relative to the housing 11 . position offset.
  • the positioning through hole 117 and the portion of the outer peripheral surface 124 may be configured in a clearance fit manner, so that the conductive core 12 can be inserted into the channel 111 relatively smoothly, and can effectively prevent the conductive core 12 from being relatively opposite to each other.
  • the casing 11 is displaced in the radial direction.
  • the housing 11 of the connector 10 is screwed with the nut 13 .
  • the inner periphery of the nut 13 is provided with an inner thread 131
  • the outer periphery of the housing 11 is provided with an outer thread 118 .
  • the nut 13 is sleeved on the outer circumference of the housing 11 from left to right, and is threadedly connected with the housing 11 . Therefore, the nut 13 needs to be rotated during this process.
  • a tool 30 for rotating the nut 13 is also provided.
  • one end (the right end in the figure) of the tooling 30 is provided with six protrusions 31
  • the end surface of the nut 13 facing away from the shoulder 112 is provided with six grooves 132 (two are shown in the figure).
  • the protrusion 31 of the tooling 30 can be embedded in the groove 132 of the nut 13 .
  • the nut 13 can be rotated by manually turning the tooling 30 . Through the tooling 30 , the operator can easily rotate the nut 13 , thereby realizing the disassembly and assembly work between the nut 13 and the housing 11 .
  • a protrusion can also be provided on the end face of the nut 13 and a groove can be provided on one end (the right end in the figure) of the tooling 30 .
  • other suitable structures may also be provided on the end face of the nut 13 and one end of the tooling 30 , so that the tooling 30 can act on the end face of the nut 13 and rotate the nut 13 together with the tooling 30 .
  • the distance between adjacent connectors 10 can be reduced as much as possible.
  • a conventional nut such as a hexagonal nut
  • a large operating space needs to be reserved on the outer circumference of the nut, and therefore, a large distance needs to be maintained between adjacent connectors 10 , which is not conducive to improving the layout density of the connector 10 .
  • the tooling 30 can directly act on the end face of the nut 13 away from the housing panel 21 , and will not occupy the space around the nut 13 , so it is beneficial to reduce the distance between adjacent connectors 10 .
  • the tooling 30 may be configured as a cylindrical structure, and the nut 13 may be configured as an annular structure as a whole, wherein the outer diameter of the tooling 30 may be smaller than or equal to the outer diameter of the nut 13 to prevent the tooling 30 from touching the nut 13
  • the peripheral space is beneficial to further reduce the distance between adjacent connectors 10 .
  • the tooling 30 is not limited to a cylindrical structure.
  • a rough pattern structure can also be provided on the outer peripheral surface of the tooling 30 to increase the frictional force of the outer peripheral surface, so that the human hand can effectively of turning tooling.
  • the tooling 30 may also be provided with a structure such as a rotating rod arranged perpendicular to its axis, so that the tooling 30 can be easily rotated by a human hand through the rotating rod.
  • the nut 13 may be replaced with a fastener such as a snap ring.
  • the snap ring may specifically be an annular structure, and the snap ring may be sleeved on the outer circumference of the housing 11 and fit with the housing 11 by interference. That is, a fixed connection between the snap ring and the housing 11 can be achieved by means of interference fit.
  • the end face of the snap ring facing the housing panel 21 can be in close contact with the housing panel 21 as much as possible, so as to improve the airtightness between the connector housing 11 and the housing panel 21 .
  • the connector 10 not only needs to be connected to the electronic device 20, but also needs to be electrically connected to other electronic devices or cables, so as to realize the connection between the electronic device 20 and other devices or cables.
  • other devices or cables may also be provided with connectors adapted to the connector 10 .
  • the connector 10 can be connected to the cable 200 through the connector 100 .
  • the connector housing 11 is provided with a first connecting portion 119;
  • the housing of the connector 100 is provided with a hook 101; when the connector 10 and the connector 100 are connected to each other, the hook 101 of the connector 100 passes through the hook hole of the first connecting portion 119, and the rear end surface of the hook 101 102 abuts against the end face 1191 of the locking hole 119 to prevent the connector 10 and the connector 100 from being separated from each other, so as to realize the connection between the connector 10 and the connector 110 .
  • the connector 100 can use a PV connector that is well known in the market.
  • the first connecting portion 119 of the connector 10 can also be adjusted according to the specific type of the connector 100 .
  • the first connecting portion 119 of the connector 10 can be configured as a hook structure.
  • an embodiment of the present application further provides an electronic device 20 , which includes a casing panel 21 and a circuit board 22 .
  • the housing panel 21 encloses an installation space for accommodating components such as the circuit board 22 .
  • a plurality of the above connectors 10 are also installed in the electronic device 20 , so that the electronic device 20 (or the circuit board 22 ) can be connected with other devices or cables through the connectors 10 .
  • the structural composition of the housing panel 11 can be divided into various types.
  • the housing panel 21 includes a main body structure 212 and a mounting plate 213 .
  • the main structure 212 is provided with a notch 2121
  • the mounting plate 213 is provided with a through hole 2131 for the connector 10 to pass through.
  • the mounting plate 213 can be mounted on the main structure 212 and block the gap 2121 .
  • the whole formed by the plurality of connectors 10 is fixed on the inner side of the main body structure 212 and blocks the gap 2121 .
  • the mounting plate 213 and the main structure 212 may be fixedly connected by welding, bonding, screws, or the like.
  • the main body structure 212 and the mounting plate 213 may also be an integral structure.
  • the housing panel 21 may be formed by means of die casting, stamping, etc., so as to make the main structure 212 and the mounting plate 213 into an integrally formed structural member.
  • the mounting plate 213 can also be used as a tool. Specifically, before soldering the plurality of connectors 10 on the circuit board 22, the plurality of connectors 10 may be fixed on the mounting board 213, so as to effectively locate the layout positions of the plurality of connectors 10, so as to facilitate the Soldering between the connector 10 and the circuit board 22 is achieved. After the connector 10 and the circuit board 20 are soldered, the mounting plate 213 can be removed, and then the overall structure composed of the connector 10 and the circuit board 22 can be mounted on the housing panel 21 .
  • the housing panel 21 is provided with a plurality of through holes 211 , and the plurality of connectors 10 can be respectively penetrated into the corresponding through holes 211 .
  • the specific types of the electronic device 20 can be varied.
  • the electronic device 20 may be an inverter, a cabinet, or the like.
  • the inverter is a converter that converts DC power into constant frequency and constant voltage or frequency modulation and voltage regulation AC power.
  • the inverter can include functional circuits such as filter circuits, measurement circuits, and inverter circuits.
  • the above functions Circuitry may be integrated in circuit board 22 .
  • the circuit board 22 of the inverter When the inverter is applied in the photovoltaic system, the circuit board 22 of the inverter can be electrically connected with the photovoltaic cells in the photovoltaic system through the connector 10, and the direct current in the photovoltaic cells can pass through the filter circuit integrated on the circuit board 22, Functional circuits such as measurement circuits and inverter circuits are used for processing to convert direct current into alternating current, so as to transmit the alternating current to the user terminal or integrate it into the power grid.
  • the number of the connectors 10 and the layout positions can be adaptively adjusted according to the actual situation, which is not specifically limited in this application.

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Abstract

一种连接器（10）和电子设备（20），以解决连接器（10）安装性差的技术问题；该连接器（10）包括壳体（11）、导电芯（12）和固定结构（13、112）；壳体（11）具有贯穿其第一端和第二端的通道（111）；导电芯（12）设置在通道（111）内；其中，导电芯（12）的一端设有焊脚（121），焊脚（121）伸出于壳体（11）的第一端用于与电路板（22）进行焊接；固定结构（13、112）用于将壳体（11）固定在面板（21）上；该连接器（10）中，导电芯（12）可以直接焊接在电路板（22）上，从而能够提升导电芯（12）和电路板（22）之间的连接效果并减少安装步骤。

Description

一种连接器和电子设备
相关申请的交叉引用
本申请要求在2020年07月13日提交中国专利局、申请号为202010670864.X、申请名称为“一种连接器和电子设备”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
本申请涉及连接器技术领域，尤其涉及便于安装的一种连接器和电子设备。
背景技术
连接器广泛应用在电子设备中，用于实现两个电子设备之间或更多个电子设备之间的电连接。为了达到快速拆装等目的，连接器一般成对使用。例如，在光伏***中，光伏电池的电能需要传输至逆变器中，以实现电流的逆变，使电能进入终端用户或者并入电网。在光伏电池端可以安装公头连接器，在逆变器端可以安装母头连接器，公头连接器与母头连接器对接后便可实现光伏电池与逆变器之间的电连接。在实际应用时，在逆变器端，连接器的导电芯通过一段线缆与逆变器内部的电路板电连接，由于线缆与导电芯和电路板之间均要实现电连接，导致安装步骤较为复杂，且容易出现连接可靠性问题。
发明内容
本申请提供了一种便于提升安装便利性和安装效果的连接器以及具有该连接器的电子设备。
一方面，本申请提供了一种连接器，包括壳体、导电芯和固定结构。壳体具有贯穿其第一端和第二端的通道；导电芯设置在通道内。其中，导电芯的一端设有焊脚，焊脚伸出于壳体的第一端；壳体通过固定结构固定安装在面板上。在本申请提供的连接器中，导电芯可以直接焊接在电路板上，从而能够提升导电芯和电路板之间的连接效果并减少安装步骤。
在具体配置时，固定结构可以是螺母和挡肩。具体来说，可以在壳体的外周面上设置外螺纹和挡肩，螺母可以套设在壳体的外周并与该外螺纹螺接。将螺母进行旋紧时，螺母可逐渐向外壳面板的方向运动，以使外壳面板夹持固定在螺母和挡肩之间。
为了较好的旋转螺母，操作人员可以通过工装对螺母进行旋转。具体来说，工装设有凸起或凹槽，螺母的端面上设有凹槽或凸起，其中该端面为背离挡肩的端面。工装上的凸起或凹槽用于与螺母的凹槽或凸起插接。操作人员可以通过旋转工装便可对转动螺母。由于上述的凹槽或凸起结构设置在螺母的端面上，使得工装能够从螺母的一端作用于螺母以使螺母转动。因此，当连接器设置有多个时，相邻连接器之间的间距可以尽可能的缩减。即相邻的连接器之间不必预留出用于转动螺母的操作空间，从而便于实现连接器的紧凑化布局。
在具体配置时，工装可以为筒状结构，工装的凸起或凹槽可以设置在筒状结构的其中 一个端面上。
另外，由于实际应用时，电子设备内部的空间可能会比较局促，为了便于安装。螺母相较于挡肩远离壳体的第一端设置。具体来说，壳体的第一端和挡肩均位于电子设备的内部(或外壳面板的内侧)，螺母位于电子设备的外部(或外壳面板的外侧)。螺母可以从电子设备的外部安装在连接器的壳体上，从而在安装螺母的过程中，工装能够具备较大的操作空间。
为了提升工装和螺母之间的相对稳定性，设置在螺母上的凹槽或凸起可以设有多个，且多个凹槽或凸起可以绕螺母的轴心均匀分布。相应的，设置在工装上的凸起或凹槽也可以对应设置多个，且多个凸起或凹槽也可以绕工装的轴心均匀分布。
另外，为了提升挡肩和外壳面板相抵时的稳定性，挡肩可以配置为绕壳体的外周向延伸的凸缘。
在挡肩和外壳面板之间还可以设置密封圈，当连接器安装在外壳板面上时，密封圈被紧密夹持在挡肩和外壳面板之间，从而能够提升连接器和外壳面板之间的密闭性。
为了提升连接器与电路板之间的连接稳定性，壳体的第一端的端面上可以设置定位柱。相应的，在电路板上可以设置定位孔，定位柱可以插接在定位孔内，以防止电路板和连接器之间产生径向(垂直于定位孔中心轴方向)上的位置偏移。通过上述定位柱和定位孔的连接方式，可以有效提升连接器和电子设备之间的连接强度，同时，还能分担电路板作用于焊脚上的应力，从而有效保证导电芯和电路板之间的连接稳定性，防止焊脚与电路板之间产生松动或相互脱离。在具体配置时，定位柱和定位孔之间可以采用过盈配合的方式进行装配，以提升壳体与电路板之间的连接稳定性。另外，定位柱和定位孔的数量可以根据实际需求作适应性调整，本申请对此不作限定。
另外，为了提升连接器和电子设备之间的连接可靠性，导电芯可滑动的设置在通道内。即导电芯可沿轴向上相对壳体滑动预设的距离，该距离可用于补偿连接器安装在电子设备上时所产生的安装误差。具体来说，当外壳面板、连接器的壳体、电路板以及导电芯中的任何一个部件出现尺寸误差时，可以通过该距离对尺寸误差进行补偿，从而能够提升上述部件在制作和装配时的容错率和安装可靠性。
在实际应用中，连接器不仅需要与电子设备进行连接，还需要与其他电子设备或电缆进行电连接，以实现电子设备与其他电子设备或电缆之间的连接。为了实现快速连接，其他电子设备或电缆也可以设置用于与连接器相适配的连接器(外部连接器)。
为了与外部连接器进行连接，本申请中的连接器的壳体上可以设置第一连接部。在具体配置时，第一连接部可以是卡勾、卡孔等结构。具体来说，当外部连接器具备卡勾结构时，本申请中的连接器壳体上可以设置用于与该卡勾结构相卡接的卡孔。相应的，当外部连接器具备卡孔结构时，本申请中的连接器壳体上可以设置用于与该卡孔结构相卡接的卡勾。可以理解的是，在具体配置时，第一连接部的具体结构类型并不仅限于为卡勾或卡孔。
另外，为了与外部连接器进行电连接，本申请中的导电芯还包括第二连接部，第二连接部用于与外部连接器的导电结构进行连接，以实现连接器与外部连接器之间的导电连接。
在具体实施时，当外部连接器的导电结构与第二连接部连接后，导电芯可能会受到较大作用力，为了防止该作用力传递至焊脚处而影响到焊脚与电路板之间的连接可靠性，第二连接部和焊脚之间还设有柔性部。当第二连接部受到外部连接器(具体来说是连接器的导电结构)的作用力后，柔性部可以通过自身的形变来缓冲或削弱传递至焊脚上的作用力， 从而能够提升焊脚与电路板之间的连接可靠性。
另一方面，本申请还提供一种电子设备，包括外壳面板和电路板，还包括上述的连接器；外壳面板上设有通孔，连接器的壳体穿设于通孔；其中，电路板以及连接器的壳体的第一端位于外壳面板的同一侧，壳体的第二端位于外壳面板的另一侧。
在实际应用时，电子设备的具体类型可以是多样的。例如，电子设备可以是逆变器、机柜等。以逆变器为例，逆变器是把直流电转变成定频定压或调频调压交流电的转换器，在逆变器中可以包括滤波电路、测量电路、逆变电路等功能电路，上述功能电路可以集成在电路板中。当逆变器应用在光伏***中时，逆变器的电路板可以通过连接器与光伏***中的光伏电池电连接，光伏电池中的直流电可以通过集成在电路板上的滤波电路、测量电路、逆变电路等功能电路进行处理，以将直流电转换为交流电，以将交流电输送至用户端或并入电网中。
附图说明
图1为本申请实施例提供的一种连接器与逆变器的装配示意图；
图2为本申请实施例提供的一种连接器的立体结构示意图；
图3为本申请实施例提供的一种连接器装配到电子设备上的剖面结构示意图；
图4为本申请实施例提供的一种连接器的分解状态的剖面结构示意图；
图5为本申请实施例提供的一种连接器和工装的立体结构示意图；
图6为本申请实施例提供的一种电子设备的立体结构示意图；
图7为本申请实施例提供的一种连接器与电缆的装配示意图；
图8为本申请实施例提供的另一种连接器的立体结构示意图；
图9为本申请实施例提供的一种电子设备的俯视图；
图10为本申请实施例提供的一种电子设备的分解结构示意图；
图11为本申请实施例提供的另一种电子设备的分解结构示意图。
具体实施方式
为了使本申请的目的、技术方案和优点更加清楚，下面将结合附图对本申请作进一步地详细描述。
为了方便理解本申请实施例提供的连接器，下面首先介绍一下其应用场景。
本申请提供的连接器可应用在多种电子设备中，用于实现该电子设备与其他电子设备或外部线缆之间的电连接。以电子设备为逆变器为例，逆变器是把直流电转变成定频定压或调频调压交流电的转换器，逆变器可以应用在光伏***中，用于将光伏电池中的直流电转换为交流电。
如图1所示，为了便于实现逆变器01和光伏电池(图中未示出)之间的电连接，逆变器01的外壳面板011上可以安装连接器02，光伏电池的光伏组串电缆可以与连接器02连接(具体来说，光伏串电缆上可以设置用于与连接器02相连接的连接器)。逆变器01内部可以安装滤波电路、测量电路、逆变电路等功能电路03。连接器02的一端通过一段线缆04与该功能电路03电连接，另一端可以与光伏组串电缆连接。光伏电池中的直流电经光伏组串电缆、连接器02后被接入到逆变器01内部的功能电路03中，功能电路03对 直流电进行滤波、测量、逆变等处理后最终输出为交流电。
在实际应用时，连接器02不仅需要具备可靠的电气连接性能和防尘防水性能，还需要具备良好的可安装性。
目前，在电连接方面，连接器02中的导电结构与逆变器01内的功能电路03之间存在较多的可安装性问题。简单来说，在逆变器01内部，滤波电路、测量电路、逆变电路等功能电路03通常集成安装在电路板(如印制电路板)上，连接器02与功能电路03之间通常通过一段线缆04进行电连接。具体来说，连接器02包括壳体021和设置在壳体021内的导电芯022(图中导电芯022与壳体021处于分离状态)。在进行安装时，需要将导电芯022压接在线缆04的左端(如采用压接钳将导电芯022和线缆04进行压紧，以实现导电芯022和线缆04之间的电连接和固定连接)。线缆04的右端通过连接端子(如OT端子，又称圆形冷压端子)与电路板进行连接，从而实现连接器02和电路板之间的电连接。在上述的安装过程中，需要使用连接端子以及压接工艺才能实现连接器02与功能电路03之间的电连接，安装工艺较多，不利于提升安装效率。另外，连接器02与功能电路03之间还需要额外的线缆04连接，当连接器02的数量较多时，会明显提升线缆04的使用数量，对逆变器01的布线设计和装配工作都会造成较大困难。
另外，在机械连接方面，连接器02与逆变器01之间也存在较多的可安装性问题。具体来说，在逆变器01外壳面板011上通常会设置供连接器02的壳体021穿设的通孔(图中未示出)，壳体021由外壳面板011的外侧(图中的左侧)穿入通孔后采用螺母05与壳体021的右端螺接，以使通孔附近的外壳面板011被夹持固定在壳体021和螺母05之间。在上述的安装方式中，需要将连接器02壳体021由逆变器01外壳面板011的外侧装入，因此，将连接器02的壳体021与外壳面板011固定连接后才能将导电芯022***固定在壳体021内，否则线缆04与外壳面板011之间会形成阻挡干涉。将导电芯022***固定在壳体021内时，位于壳体021面板内部的功能电路03等器件可能会距离连接器02较近，因此会对安装工具形成阻碍，导致安装困难等不良问题。
综上，将上述连接器02与逆变器01进行安装时，由于安装工序较多、安装难度大，从而会明显降低安装效率和连接可靠性。
因此，本申请提供了一种有利于降低安装难度、提升安装效率的连接器。
为了使本申请的目的、技术方案和优点更加清楚，下面将结合附图和具体实施例对本申请作进一步地详细描述。
以下实施例中所使用的术语只是为了描述特定实施例的目的，而并非旨在作为对本申请的限制。如在本申请的说明书和所附权利要求书中所使用的那样，单数表达形式“一个”、“一种”、“上述”、“该”和“这一”并非特指或限制，其含义也包括例如“一个或多个”这种表达形式，除非其上下文中明确地有相反指示。还应当理解，在本申请以下各实施例中，“至少一个”、“一个或多个”是指一个、两个或两个以上。术语“和/或”，用于描述关联对象的关联关系，表示可以存在三种关系；例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B的情况，其中A、B可以是单数或者复数。字符“/”一般表示前后关联对象是一种“或”的关系。
在本说明书中描述的参考“一个实施例”或“一些实施例”等意味着在本申请的一个或多个实施例中包括结合该实施例描述的特定特征、结构或特点。由此，在本说明书中的不同之处出现的语句“在一个实施例中”、“在一些实施例中”、“在其他一些实施例中”、“在 另外一些实施例中”等不是必然都参考相同的实施例，而是意味着“一个或多个但不是所有的实施例”，除非是以其他方式另外特别强调。术语“包括”、“包含”、“具有”及它们的变形都意味着“包括但不限于”，除非是以其他方式另外特别强调。
如图2和图3所示，在本申请提供的一个实施例中，连接器10包括壳体11、导电芯12和螺母13。具体如图3所示，壳体11内具有贯穿其第一端(图中的右端)和第二端(图中的左端)的通道111，该通道111用于安装导电芯12；导电芯12的一端(图中的右端)设有焊脚121，且该焊脚121伸出于壳体11的第一端，焊脚121用于与电路板22进行焊接连接，从而实现导电芯12与电路板22之间的电连接和固定连接。电子设备20的外壳面板21上开设有通孔(图中未标示出)，连接器10的壳体11可以由外壳面板21的内侧从右到左穿设在通孔内，并且壳体11外周的挡肩112可以与通孔附近的外壳面板21相抵，以实现壳体11和外壳面板21之间的定位。螺母13由壳体11的左端套在壳体11的外周，当螺母13与壳体11逐渐旋紧后，螺母13的右端与外壳面板21的外侧相抵，挡肩112的左端与外壳面板21的内侧相抵，以将外壳面板21夹持固定在螺母13和挡肩112之间，从而实现壳体11与外壳面板21之间的相对固定。电子设备20内的电路板22可以通过连接器10的导电芯12与外部的其他设备或电缆进行电连接，以满足电子设备20与外部其他设备或电缆之间的快速连接需求。
将连接器10和电子设备20进行安装时，可以采用波峰焊等焊接工艺将导电芯12的焊脚121焊接在电路板上，然后将连接器壳体11由左向右插在导电芯12的***，使导电芯12插设在通道111内，随后将导电芯12、壳体11和电路板22所组成的整体安装在外壳面板21内使壳体11的左端伸出于外壳面板21；最后将螺母13由壳体11的左端向右旋紧，以实现连接器10和电子设备20之间的装配。
在本申请提供的连接器10中，导电芯12可以直接焊接在电路板22上，从而能够提升导电芯12和电路板22之间的连接效果和便利性。当导电芯12焊接在电路板22上后，连接器10的壳体11可以套设固定在导电芯12的***，使连接器10的壳体11、导电芯12以及电路板22组成一个整体安装在外壳面板21内侧，从而能够简化装配工序。当连接器10的数量较多时，这种优势会变得更加明显，能够显著提升装配效率。另外，螺母13可以从外壳面板21的外部安装在连接器壳体11上，因此，安装时的操作空间比较充裕。
如图3所示，在具体配置时，为了提升连接器10与外壳面板21之间的防尘、防水性，挡肩112和外壳面板21之间可以设置密封圈14。当螺母13旋紧后，密封圈14被紧密夹持在挡肩112和外壳面板21之间，以防止灰尘、水汽等杂质进入电子设备内部。
在具体实施时，挡肩112的形状结构可以是多样的。例如，如图2所示，在本申请提供的实施例中，挡肩112配置为绕壳体11的外周向外延伸的凸缘结构。可以理解的是，具体设置时，挡肩112的截面外轮廓可以是圆形、矩形、椭圆形等，本申请对此不作具体限定。
如图2所示，为了提升挡肩112的受力性能，在本申请提供的实施例中，挡肩112一侧还设有加强筋113，当挡肩112与密封圈14紧密相抵时，加强筋113可以有效提升挡肩112的受力性能，防止挡肩112产生明显形变甚至断裂，同时还能有效提升挡肩112与密封圈14之间的贴合度，有利于保证其防尘、防水性能。
如图3所示，为了提升连接器10与电路板22之间的连接稳定性，在本申请提供的一个实施例中，壳体11的第一端(图中的右端)的端面上设有定位柱114a和定位柱114b。 相应的，在电路板22上设有定位孔221a和定位孔221b，定位柱114a可以插接在定位孔221a内，定位柱114b可以插接在定位孔221b内，以防止电路板22和壳体11之间产生径向(垂直于定位孔中心轴方向)上的位置偏移。通过上述定位柱114a、定位柱114b、定位孔221a和定位孔221b的连接方式，可以有效提升壳体11和电路板22之间的连接强度，同时，还能分担电路板22作用于焊脚121上的应力，从而有效保证导电芯12和电路板22之间的连接稳定性，防止焊脚121与电路板22之间产生松动或相互脱离。在具体配置时，定位柱114a和定位孔221a之间可以采用过盈配合的方式进行装配，定位柱114b和定位孔221b之间可以采用过盈配合的方式进行装配，以提升壳体11与电路板22之间的连接稳定性。另外，定位柱和定位孔的数量可以根据实际需求作适应性调整，本申请对此不作限定。
另外，在具体实施时，为了与外部连接器进行电连接，本申请实施提供的连接器中，导电芯12还包括用于与外部连接器的导电结构进行连接的第二连接部125。具体来说，第二连接部125是位于导电芯12左端的柱状结构，外部连接器的导电结构可以插接并套设在第二连接部125的***，以实现第二连接部125与外部连接器导电结构的连接。当外部连接器的导电结构与第二连接部125连接后，外部连接器的导电结构与第二连接部125之间可能会存在应力，为了防止该应力传递至焊脚121处而影响焊脚121与电路板22之间的连接可靠性，第二连接部125和焊脚121之间还设有柔性部(图中未示出)。当第二连接部125受到外部连接器(具体来说是连接器的导电结构)的作用力后，柔性部可以通过自身的形变来缓冲或削弱传递至焊脚121上的作用力，从而能够提升焊脚121与电路板22之间的连接可靠性。在具体实施时，可以在第二连接部125和焊脚121之间设置一段截面轮廓较小的部分，该部分可以构成柔性部。或者，在第二连接部125和焊脚121之间还可以通过一段柔性较好的线缆进行连接，当第二连接部125受到外力后，线缆可以通过自身的形变来吸收该外力，从而有效减小或防止该外力传递至焊脚121处。可以理解的是，在另外的实施方式中，也可以通过其他的结构形式来缓冲第二连接部125和焊脚121之间的作用力，在此不作赘述。
为了提升连接器10和电子设备20之间的连接可靠性，在本申请提供的实施例中，导电芯12可滑动的设置在通道111内。即导电芯12可沿轴向上(图中的左右方向)相对壳体11滑动预设的距离，该距离可用于补偿连接器10安装在电子设备20上时所产生的安装误差。具体来说，当外壳面板21、连接器10的壳体11、电路板22以及导电芯12中的任何一个部件出现尺寸误差时，可以通过该距离对尺寸误差进行补偿，从而能够提升上述部件在制作和装配时的容错率和安装可靠性。
在具体配置时，如图4所示，在本申请提供的一个实施例中，导电芯12的外周设有向外翘起的弹片122，壳体11的通道111内设有收口部115。将导电芯12由右向左***通道111内时，收口部115与弹片122的外侧面相抵，使弹片122向导电芯12的内侧产生弹性形变；继续推入导电芯12使弹片122越过收口部115后，弹片122在自身弹力的作用下恢复成向外翘起的状态。当向左拉动导电芯12时，弹片122与收口部115的左端面1151相抵，从而能够防止导电芯12被拉出。
在具体制作时，导电芯12可由金属片经剪裁、冲压、卷曲等处理后制作成型，弹片122可以是由该金属片的局部经剪裁工艺向外弯折所形成的，且弹片122可以绕导电芯12的轴心设置一个至多个，本申请对比不作具体限定。
如图4所示，为了使得导电芯12能够沿轴向上相对壳体11滑动预设的距离，在本申 请提供的实施例中，通道111内设有朝向右侧的第一抵靠面116，导电芯12设有朝向左侧的第二抵靠面123。当导电芯12的弹片122刚好越过收口部115且继续将导电芯12***预设的距离后，第一抵靠面116与第二抵靠面123相抵，以防止导电芯12继续向***方向移动。即通过弹片122与收口部115的端面1151相抵、第一抵靠面116与第二抵靠面123相抵的共同作用下，使得导电芯12只能相对壳体11移动预设的距离。可以理解的是，在其他的实施方式中，也可以在导电芯12和通道111内设置其他的限位结构以将导电芯12定位在通道111内，且允许导电芯12在通道111内滑动预设的距离。
另外，如图4所示，为了提升导电芯12和壳体11之间的相对位置精度，在本申请提供的一个实施例中，壳体11的通道111内设置有定位通孔117。当导电芯12***通道111内后，导电芯12的部分外周面124与该定位通孔117的内壁相互配合，以防止导电芯12相对壳体11产生径向(如图中的上下方向)上的位置偏移。在具体实施时，定位通孔117和该部分外周面124之间可以采用间隙配合的方式进行配置，以使导电芯12能够较为顺畅的插设在通道111内，且能够有效防止导电芯12相对壳体11产生径向上的位置偏移。
如图4所示，在本申请提供的实施例中，连接器10的壳体11与螺母13螺接。具体来说，螺母13的内周设有内螺纹131，壳体11的外周设有外螺纹118。在进行安装时，螺母13由左向右套在壳体11的外周，并与壳体11进行螺纹连接，因此，在此过程中需要对螺母13进行旋转。
如图5所示，为了更好的转动螺母13，在本申请提供的实施例中，还提供了一种用于旋转螺母13的工装30。具体来说，该工装30的一端(图中的右端)设置有六个凸起31，螺母13背离挡肩112的端面上设有六个凹槽132(图中展现出两个)。工装30的凸起31能够嵌设在螺母13的凹槽132内。人手转动工装30便可使螺母13旋转。通过工装30，操作人员可以轻易旋转螺母13，从而实现螺母13与壳体11之间的拆装工作。可以理解的是，在其他的实施方式中，也可以在螺母13的端面上设置凸起、在工装30的一端(图中的右端)设置凹槽。或者，也可以在螺母13的端面以及工装30的一端设置相适配的其他结构，以使工装30能够作用于螺母13的端面，并使螺母13随工装30一同旋转。
结合参阅图6，当外壳面板21上安装有多个连接器10时，为了提升连接器10的布设密度，相邻的连接器10之间的距离可以尽可能的缩减。具体来说，由于常规的螺母(如六角形螺母)需要借助常规扳手进行旋转操作，导致螺母的外周需要保留较大的操作空间，因此，相邻的连接器10之间需要保持较大的距离，从而不利于提升连接器10的布设密度。在本申请提供的实施例中，工装30可以直接作用在螺母13的远离外壳面板21的端面上，不会占用螺母13***的空间，因此，有利于降低相邻连接器10之间的距离。
在具体实施时，工装30可以配置为筒状结构，螺母13整体可以配置为圆环状结构，其中，工装30的外径可以小于或等于螺母13的外径，以防止工装30触及到螺母13***的空间，有利于进一步降低相邻连接器10之间的距离。
可以理解的是，在另一些实施方式中，工装30并不仅限于为筒状结构，另外，工装30的外周面上也可以设置粗糙的花纹结构来增加外周面的摩擦力，以使人手能够有效的转动工装。或者在一些实施方式中，工装30上也可以设置垂直于其轴心设置的转杆等结构，以使人手能够通过转杆轻松的转动工装30。
另外，在其他的实施方式中，螺母13也可以替换为卡环等紧固件。例如，卡环具体可以是圆环状结构，且卡环可以套设在壳体11的外周并与壳体11过盈配合。即卡环和壳 体11之间可以采用过盈配合的方式实现两者之间的固定连接。在进行安装时，卡环朝向外壳面板21的端面可以尽可能的与外壳面板21紧密相抵，以提升连接器壳体11与外壳面板21之间的密闭性。
在实际应用中，连接器10不仅需要与电子设备20进行连接，还需要与其他电子设备或电缆进行电连接，以实现电子设备20与其他设备或电缆之间的连接。为了实现快速连接，其他设备或电缆也可以设置用于与连接器10相适配的连接器。
如图7所示，连接器10可以通过连接器100与电缆200进行连接。为了便于实现两个连接器之间的连接，在本申请提供的实施例中，连接器壳体11上设有第一连接部119；具体来说，该第一连接部119包括卡孔，连接器100的壳体上设有卡勾101；当连接器10与连接器100相互连接时，连接器100的卡勾101穿设于第一连接部119的卡孔，且卡勾101的后端面102与卡孔119的端面1191相抵，以防止连接器10与连接器100相互脱离，从而实现连接器10和连接器110之间的连接。在具体配置时，连接器100可以采用目前市面上熟知的PV连接器，相应的，连接器10的第一连接部119也可以根据连接器100的具体类型作相应调整。
例如，当连接器100上设有卡孔结构时(即上述的卡勾替换为卡孔)，如图8所示，连接器10的第一连接部119可以配置为卡勾结构。
另外，如图9所示，本申请实施例还提供了一种电子设备20，包括外壳面板21和电路板22。外壳面板21围成有用于容纳电路板22等器件的安装空间。其中电子设备20中还安装有多个上述的连接器10，以使电子设备20(或电路板22)能够通过连接器10与其他设备或电缆进行连接。
在具体配置时，外壳面板11的结构组成可以分为多种。
例如，如图10所示，在本申请提供的实施例中，外壳面板21包括主体结构212以及安装板213。主体结构212上设有缺口2121，安装板213上设置有用于供连接器10穿设的通孔2131。安装板213可以安装在主体结构212上并封堵该缺口2121。将连接器10安装在外壳面板21上时，可以先将多个连接器10装配在安装板213上，然后将连接器10焊与电路板22进行焊接，最后将安装板213、电路板22以及多个连接器10构成的整体固定在主体结构212的内侧并封堵该缺口2121。在具体实施时，安装板213和主体结构212之间可以采用焊接、粘接、螺钉等方式进行固定连接。或者，在一些实施方式中，主体结构212和安装板213也可以是一体结构。例如，可以采用压铸成型、冲压成型等方式对外壳面板21进行成型，以将主体结构212和安装板213制作为一体成型的结构件。
另外，如图11所示，在一些实施方式中，安装板213也可以作为工装使用。具体来说，在将多个连接器10焊接在电路板22上之前，可以先将多个连接器10固定在安装板213上，从而对多个连接器10的布设位置进行有效定位，以便于实现连接器10与电路板22之间的焊接。将连接器10与电路板20进行焊接完成后，可以将安装板213取下，然后将连接器10和电路板22组成的整体结构安装在外壳面板21上。其中，外壳面板21上设有多个通孔211，多个连接器10可以分别穿设于对应的通孔211中。
在实际应用时，电子设备20的具体类型可以是多样的。例如，电子设备20可以是逆变器、机柜等。以逆变器为例，逆变器是把直流电转变成定频定压或调频调压交流电的转换器，在逆变器中可以包括滤波电路、测量电路、逆变电路等功能电路，上述功能电路可以集成在电路板22中。当逆变器应用在光伏***中时，逆变器的电路板22可以通过连接 器10与光伏***中的光伏电池电连接，光伏电池中的直流电可以通过集成在电路板22上的滤波电路、测量电路、逆变电路等功能电路进行处理，以将直流电转换为交流电，以将交流电输送至用户端或并入电网中。
可以理解的是，在具体应用时，连接器10的设置数量及布设位置可以根据实际情况作适应性调整，本申请对此不作具体限定。
以上，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以权利要求的保护范围为准。

Claims (17)

  1. 一种连接器，用于安装在面板上，其特征在于，所述连接器包括：
    壳体，具有贯穿其第一端和第二端的通道；
    导电芯，设置在所述通道内；
    其中，所述导电芯的一端设有焊脚，所述焊脚伸出于所述壳体的第一端，用于与电路板焊接；
    固定结构，用于将所述壳体固定在所述面板上。
  2. 根据权利要求1所述的连接器，其特征在于，所述固定结构包括螺母和挡肩；
    所述螺母固定于所述壳体的外周，所述挡肩设置于所述壳体的外周，且所述螺母与所述挡肩之间形成用于夹持所述面板的间隙。
  3. 根据权利要求2所述的连接器，其特征在于，所述紧固件包括螺母，所述螺母的端面上设有凹槽或凸起；
    所述端面为背离所述挡肩的端面。
  4. 根据权利要求3所述的连接器，其特征在于，所述凹槽或凸起设有多个，且多个所述凹槽或凸起绕所述螺母的轴心均匀分布。
  5. 根据权利要求3或4所述的连接器，其特征在于，所述连接器还包括工装，所述工装用于旋转所述螺母；
    所述工装设有凸起或凹槽，所述凸起或凹槽用于与所述螺母的凹槽或凸起插接。
  6. 根据权利要求5所述的连接器，其特征在于，所述工装构造为筒状结构，所述工装的凸起或凹槽设置在所述筒状结构的其中一个端面上。
  7. 根据权利要求6所述的连接器，其特征在于，所述工装的外径不大于所述螺母的外径。
  8. 根据权利要求2至7中任意一项所述的连接器，其特征在于，所述挡肩配置为绕所述壳体的外周向延伸的凸缘。
  9. 根据权利要求2至8中任意一项所述的连接器，其特征在于，所述连接器还包括密封圈；
    所述密封圈设置在所述挡肩和所述面板之间。
  10. 根据权利要求2至9中任意一项所述的连接器，其特征在于，所述紧固件相较于所述挡肩远离所述壳体的第一端设置。
  11. 根据权利要求1至10中任意一项所述的连接器，其特征在于，所述导电芯可滑动的设置在所述通道内。
  12. 根据权利要求1至11中任意一项所述的连接器，其特征在于，所述壳体的第一端的端面上设有定位柱，所述电路板上设有定位孔；
    所述定位柱插设在所述定位孔内。
  13. 根据权利要求12所述的连接器，其特征在于，所述定位柱与所述定位孔过盈配合。
  14. 根据权利要求1至13中任意一项所述的连接器，其特征在于，所述壳体的第二端设有第一连接部，所述第一连接部用于与其他连接器进行连接。
  15. 根据权利要求14所述的连接器，其特征在于，所述第一连接部配置为卡勾或卡槽。
  16. 根据权利要求1至15中任意一项所述的连接器，其特征在于，所述导电芯设有第 二连接部，所述第二连接部用于与其他连接器进行连接；
    所述导电芯还设有柔性部，所述柔性部位于所述第二连接部和所述焊脚之间，所述柔性部用于缓冲所述第二连接部和所述焊脚之间的作用力。
  17. 一种电子设备，其特征在于，包括外壳面板和电路板，还包括权利要求1至16中任意一项所述的连接器；
    所述外壳面板上设有通孔，所述连接器的壳体穿设于所述通孔；
    其中，所述电路板以及所述连接器的壳体的第一端位于所述外壳面板的同一侧，所述壳体的第二端位于所述外壳面板的另一侧。
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