WO2022105470A1 - 一种金手指连接器及其接电模块、电源柜 - Google Patents

一种金手指连接器及其接电模块、电源柜 Download PDF

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Publication number
WO2022105470A1
WO2022105470A1 PCT/CN2021/122883 CN2021122883W WO2022105470A1 WO 2022105470 A1 WO2022105470 A1 WO 2022105470A1 CN 2021122883 W CN2021122883 W CN 2021122883W WO 2022105470 A1 WO2022105470 A1 WO 2022105470A1
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WO
WIPO (PCT)
Prior art keywords
gold finger
main body
contact
connector
body portion
Prior art date
Application number
PCT/CN2021/122883
Other languages
English (en)
French (fr)
Inventor
陈乾斌
姜彦坤
苏文宇
杨瑞建
张安宁
Original Assignee
中兴通讯股份有限公司
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 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to JP2023528593A priority Critical patent/JP2023549524A/ja
Priority to US18/253,719 priority patent/US20240014586A1/en
Priority to EP21893620.1A priority patent/EP4246733A4/en
Publication of WO2022105470A1 publication Critical patent/WO2022105470A1/zh

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/113—Resilient sockets co-operating with pins or blades having a rectangular transverse section
    • 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
    • H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/722—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits
    • 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
    • H01R11/12—End pieces terminating in an eye, hook, or fork
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
    • H01R13/2407—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H01R13/512—Bases; Cases composed of different pieces assembled by screw or screws
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/34—Conductive members located under head of screw

Definitions

  • the present application relates to the field of slot modules, and in particular, to a gold finger connector, a power connection module, and a power supply cabinet.
  • Communication energy equipment, charging piles, etc. usually make the rectifier part into a pluggable module to facilitate maintenance.
  • the industry often uses the Connecting Finger process to realize the pluggable connection of the above modules, that is, the board of the rectifier module.
  • a gold finger is arranged on the card, and a gold finger connector is arranged in the cabinet on the other side, and the plug-in connection is realized through the cooperation of the gold finger and the gold finger connector.
  • the metal contact module of the gold-finger connector corresponding to the above modules is usually thin.
  • additional elements are required to lock the external metal sheet at the metal contact module, such as ,
  • the contact module on the gold finger connector should be connected and fixed with the external busbar or terminal.
  • the commonly used method is to riveting the nut on the special-shaped busbar or terminal, and through the cooperation of the screw and the nut, the busbar or The terminal is locked on the contact module; obviously, such a fixing method is not compatible with standard connectors, and the use of the above non-standard connectors requires additional procurement or manufacturing, which undoubtedly increases the material cost of the equipment and the maintenance cost in the later period.
  • the embodiments of the present application provide a gold finger connector, a power connection module, and a power supply cabinet, which do not need to connect the connecting pieces in the gold finger connector through non-standard external terminals, thereby saving the material cost of the equipment and facilitating the later maintenance of the equipment .
  • an embodiment of the present application provides a gold finger connector, including:
  • a first contact module comprising a first main body part and a first contact part used for electrical connection with the gold finger, the first contact part is electrically connected with the first main body part;
  • the connector is provided with a mounting structure for connecting the external terminal to the first main body part.
  • an embodiment of the present application provides a power connection unit, including the gold finger connector of the foregoing first aspect.
  • an embodiment of the present application provides a power supply cabinet, including the power connection unit of the foregoing second aspect.
  • Example 1 is a cross-sectional view of a gold finger connector provided in Example 1 of the present application;
  • Example 2 is a cross-sectional view of another structure of the gold finger connector provided in Example 1 of the present application;
  • Example 3 is a cross-sectional view of another structure of the gold finger connector provided in Example 1 of the present application;
  • Example 4 is a cross-sectional view of a gold finger connector provided by Example 2 of the present application.
  • FIG. 5 is a schematic diagram of bus connections of three main body parts provided in Example 2 of the present application.
  • FIG. 6 is a perspective view of a power connection module provided by an embodiment of the present application.
  • Embodiments of the present application provide a gold finger connector, a power connection module, and a power supply cabinet.
  • a contact module and a connector that are connected to each other are arranged in the gold finger connector, and the external terminals and the contact module are arranged in the connector.
  • the connected installation structure enables the external terminals to be directly installed and fixed on the contact module, without the need to use non-standard external terminals to connect with the contact module, thus saving the procurement cost of non-standard structural parts and the later maintenance brought by the use of non-standard structural parts cost.
  • an embodiment of the present application provides a gold finger connector, including:
  • the first contact module 100 includes a first main body part 110 and a first contact part 120 for electrically connecting with the gold finger, and the first contact part 120 is electrically connected to the first main body part 110;
  • the connector 300 is provided with a mounting structure for connecting the external terminal to the first main body portion 110 .
  • the first contact module 100 as a part of the gold finger connector that contacts with the gold finger, includes a first contact portion 120 and a first main body portion 110, wherein the first contact portion 120 usually adopts a metal contact piece.
  • the form realizes the electrical connection with the gold finger.
  • the board where the gold finger is located is inserted into the slot of the gold finger connector, so that the gold finger contacts the metal contact piece in the gold finger connector to realize signal transmission or power transmission.
  • the golden finger connector is used as an intermediary connecting device, the board where the Unicom control terminal and the golden finger are located, or the board where the Unicom power supply terminal and the golden finger are located, and the current golden finger connector has some structural limitations, which makes it difficult to fix the external terminals.
  • metal contacts are used for power transmission. Since the metal contacts are very thin, the connection part of the external terminal is usually thin (such as the terminal on the bus bar or the ring metal terminal at the head of the wire) , so in order to clamp the metal contacts and the external terminals together, it is often necessary to modify the external terminals, such as riveting nuts on the special-shaped bus bars, and locking the metal contacts and external terminals through the cooperation of screws and nuts;
  • the contact piece is used for signal transmission.
  • the metal contact piece is connected to the signal transmission board. It is also difficult to lock the contacts or pins on the signal transmission board with the signal line. It is often necessary to modify the terminals or wiring on the signal line.
  • non-standard external terminals need to be redesigned and purchased separately, which is not universal, resulting in an increase in the material and design costs of the product, and in the later maintenance process, if the external terminals need to be replaced, only non-standard ones can be used. External terminals increase the maintenance cost of maintenance personnel.
  • an installation structure for connecting the external terminals to the first main body portion 110 is provided on the connector of the gold finger connector.
  • the first contact module 100 is a power contact, which is used to transmit external power to the power pins on the gold finger; at this time, the first contact portion 120 and the first main body portion 110 of the first contact module 100 are both metal contacts 1, the first contact portion 120 is used for electrical connection with the gold finger, and the first main body portion 110 is used for connection with the external terminal.
  • the gold finger connector of this example is provided with There is a connector 300, the connector 300 is provided with an installation structure, the installation structure is located on one side of the first main body part 110, and the external terminal is located on the other side of the first main body part 110, the installation and maintenance personnel can use the installation structure suitable for
  • the matching fastening method connects the external terminal to the first main body part 110 and locks it in the installation structure, so that the external terminal and the first main body part 110 are electrically connected to realize power transmission.
  • the installation structure is a connection hole provided with an internal thread
  • the first main body portion 110 is located outside the connection hole
  • the first main body portion 110 is provided with a first main body portion 110.
  • a through hole connects the first through hole with the connection hole.
  • the external terminal of the standard part is usually a copper bus bar 10 or a wire with a ring metal terminal.
  • the copper bus bar 10 There is a round hole or a notch on it, and the ring metal terminal also has an inner round hole.
  • the screw 30 is used to pass through the external terminal and the first through hole in turn, and form a threaded fit with the inner thread of the connection hole, and then use the head of the screw 30 to screw it.
  • the external terminal is pressed on the first main body part 110 to realize the electrical connection between the external terminal and the first main body part 110 .
  • the above-mentioned connecting member 300 may be the casing of the gold-finger connector, or may be a structure with other positions fixed. Taking the casing as an example, the above-mentioned connecting hole is provided when the first contact module 100 is accommodated by the casing, so as to facilitate the first contact module 100.
  • the first main body portion 110 on the contact module 100 is connected to the external terminal. There are various ways to open the connection holes, which can be directly processed and formed to obtain internal threads, or through holes or blind holes can be processed on the shell and then tapped out.
  • the connector 300 is provided with a pre-embedded nut 310 and a nut fixing slot 320, and the pre-embedded nut 310 forms an installation structure; the pre-embedded nut 310 is placed on the In the nut fixing slot 320 , the slot wall of the nut fixing slot 320 is provided with a through hole, and the through hole connects the connecting hole with the first through hole, so that the screw 30 passes through the external terminal, the first through hole and the through hole in sequence. , form a threaded fit with the embedded nut 310 , since the embedded nut 310 is fixed in the nut fixing slot 320 , the head of the screw 30 can press the external terminal and the first main body portion 110 .
  • the external terminals of the standard parts can be directly fixed on the gold finger connector without using non-standard parts.
  • the gold finger connector of this example can be applied to the field of modular rectifier power supply.
  • the modular rectifier power supply is usually pluggable, that is, one side of the modular rectifier power supply leads out the gold finger, and the gold finger is set in the installation cabinet or installation frame.
  • Finger connection by inserting the modular rectifier power supply into the gold finger connector, the rack-mounted installation of the modular rectifier power supply is realized, which is suitable for power supply cabinets for communication, power supply equipment for charging piles, etc.; take the power cabinet for communication as an example , the power cabinet is integrated with multiple gold finger connectors arranged side by side, and there may even be several rows of gold finger connectors arranged side by side, and the module installation method of the power cabinet is usually installed from front to back, then the modular rectifier The installation method of the power supply is no exception. Insert it from the front panel of the power supply mechanism to the rear panel, so that the gold finger of the modular rectifier power supply is inserted into the gold finger connector, and then the installation and maintenance personnel connect the gold finger connector on the rear panel. .
  • the board where the gold finger connector is located is often parallel to the modular
  • the length direction of the rectifier power supply is set, so that the board where the gold finger connector is located will not block the rear heat dissipation port of the modular rectifier power supply, but this brings the problem of inconvenient installation, because the gold finger connector in the
  • the metal contacts are also parallel to the length direction of the modular rectifier power supply. In order to fix the external terminals and the metal contacts, screws 30 are required to be perpendicular to the length direction of the modular rectifier power supply.
  • the vertical direction is usually blocked by a frame or other modules, which is difficult to The screws 30 are installed, and subsequent maintenance is also inconvenient.
  • the first main body portion 110 and the first contact portion 120 in this example form an angle. Since the first main body portion 110 is electrically connected with the gold finger, the first main body portion 110 is integrally The upper part is parallel to the length direction of the modular rectifier power supply, and the first contact part 120 is tilted to facilitate the installation of the external terminal.
  • the angle between the first main body part 110 and the first contact part 120 can be determined according to It needs to be set, for example, the first main body part 110 and the first contact part 120 are perpendicular to each other, and the first contact module 100 of an integrally formed structure can be used in the process, and the first main body part 110 and the first contact part 100 can be formed by bending 90 degrees.
  • a contact portion 120 so, referring to FIG. 1, the screw 30 can be driven from the back to the front, there is no problem of being blocked when the screw 30 is driven, and since the size of the first main body portion 110 is small, it will not block the module.
  • the cooling port of the rectified power supply is not block the module.
  • the present example may further include a second contact module 200 , which is basically the same as the first contact module 100 in structure.
  • the second contact module 200 includes a second body portion 210 and the second contact portion 220 for electrical connection with the gold finger, the second body portion 210 and the second contact portion 220 are connected by a bend, and the first contact portion 120 and the second contact portion 220 are formed for clamping the gold finger the slot, the first main body part 110 and the second main body part 210 are electrically connected.
  • the first contact portion 120 and the second contact portion 220 may be in the form of elastic sheets, the elastic sheets on both sides are arranged opposite to each other to reduce the distance between the first contact portion 120 and the second contact portion 220 , and the gold finger is inserted into the first contact portion 120 and the groove formed by the second contact portion 220, and is clamped and fixed by the elastic pieces on both sides.
  • the second main body part 210 is provided with a second through hole, and the second through hole is communicated with the first through hole.
  • the screw 30 can lock the external terminal, the first main body part 110 and the second main body part 210 together to install structurally. It can be understood that there is only an electrical connection between the first main body part 110 and the second main body part 210 , so the first main body part 110 and the second main body part 210 can adopt various connection relationships in structure, for example, the first main body part 110 and the second main body part 210 Only a part of the main body part 110 is in contact with the second main body part 210 , and the first through hole may or may not be provided at the above-mentioned contacting part; for another example, the first main body part 110 and the second main body part 210 is a plate-like structure parallel to each other. Referring to FIG. 1 , the first main body portion 110 and the second main body portion 210 are overlapped.
  • the first contact module 100 may further include an abutment portion 130
  • the connector 300 includes a limit portion 330
  • the abutment portion 130 abuts against the limit portion 330 to restrict the first contact module 100 from being inserted into the gold finger connection along the gold finger.
  • the amount of displacement in the insertion direction of the device is also taking the rack-mounted installation of the above-mentioned modular rectifier power supply as an example, the gold finger is inserted into the gold finger connector from front to back, and the first contact module 100 in the gold finger connector may retreat due to friction.
  • the cooperation with the limiting portion 330 can prevent the first contact module 100 from retreating, thereby enhancing the stability of the first contact module 100 and increasing the pluggable times of the gold finger connector.
  • the abutting top 130 is a barb bar that is raised along the surface of the first contact portion 120
  • the limiting portion 330 is a connecting piece.
  • the drop surface of the protruding steps faces the golden finger side, and the abutting top 130 abuts the drop surface of the limiting portion 330 , thereby restricting the first contact module 100 from retreating.
  • the abutting top 130 may also be a step protruding along the surface of the first contact portion 120 , and the step of the abutting top 130 and the step of the limiting portion 330 cooperate with each other to restrict the first contact module 100 from retreating.
  • the first contact module 100 further includes a first additional part 140 .
  • the first additional The part 140 is connected to the first main body part 110 and is parallel to the first contact part 120 , so that the first contact module 100 has a C-shape as a whole.
  • the connecting member 300 is also provided with a limiting portion 330 , whereby the first additional portion 140 can also provide resistance to prevent the first contact module 100 from retreating.
  • the second contact module 200 can also be provided with the abutment top 130 according to the structure of the first contact module 100 , as long as the connector 300 is also provided with a limiting portion 330 at the corresponding position of the abutment top 130 of the second contact module 200 , the second contact module 200 can be prevented from retreating when the gold finger is inserted into the gold finger connector.
  • the first contact module 100 or the second contact module 200 may be provided with a plurality of abutment tops 130 , and a limiter 330 is respectively provided on the connector 300 corresponding to the abutment tops 130 , and the abutment tops 130 and the limiter
  • the number and shape of the parts 330 can be set according to actual usage scenarios, which are not limited in this example.
  • the external terminals of the standard parts can be easily fixed on the gold finger connector, and it is not necessary to use the external terminals of non-standard parts to match the metal contacts in the gold finger connector.
  • the use of non-standard parts is avoided, and the cost of designing and adopting non-standard parts is reduced;
  • the first contact module 100 is a signal contact, which is used to transmit external electrical signals to the signal pins on the gold finger; at this time, the first contact portion 120 of the first contact module 100 is a metal contact piece, and the first contact The main body part 110 is a printed circuit board. Referring to FIG. 4 , the first contact part 120 includes a first signal contact area for electrical connection with the gold finger and a second signal contact area for electrical connection with the first main body part 110 .
  • a contact module 100 is integrally fixed on the housing of the gold finger connector, the first contact portion 120 is in the shape of a bar, one end is used as the first signal contact area for contacting the gold finger, and the other end is used as the second signal contact area to connect to the first main body portion 110, and the connector 300 is a connector electrically connected to the first main body portion 110.
  • the installation structure is a plug-in port arranged on the connector 300.
  • the first main body portion 110 is provided with a number of conductive holes 160, which are electrically conductive.
  • the hole 160 is a hole reserved in the printed circuit board for connecting the external terminal, which is combined with the external terminal through the connector 300, and then inserted into the conductive hole 160 of the printed circuit board as a whole, so that the external terminal is connected with the conductive hole 160. , so as to realize the signal transmission between the external terminal and the signal contact.
  • the golden fingers of the modular rectifier power supply not only include power pins, but also signal pins.
  • the signal pins are used to transmit various weak current signals, such as phase detection signals, slot identification signals and bus communication. signal etc.
  • the printed circuit board and the external terminals have no structure that can be installed with each other, so it is often necessary to connect the contacts of the printed circuit board and the external terminals by welding, gluing, etc., resulting in The problem of troublesome installation and difficult post-maintenance.
  • the installation and maintenance personnel can conveniently connect the external terminal to the conductive hole 160 of the printed circuit board.
  • the installation cabinet or the installation frame is usually provided with multiple gold finger connectors, which slot corresponding to the gold finger connector needs to be identified by the controller of the cabinet, so that the controller can accurately exchange information.
  • the first main body part 110 is provided with a voltage dividing element 150, and the voltage dividing element 150 is used to provide a voltage value for judging whether the first signal contact area is electrically connected to the gold finger. It can be understood that, the voltage dividing element 150 can be connected to two voltage pins on the first main body part 110, so as to form a potential difference on the voltage dividing element 150, since the first main body part 110 of each gold finger connector is provided with There is a voltage dividing element 150.
  • the controller can realize the slot identification according to the voltage by collecting the voltage drop on the voltage dividing element 150 on each gold finger connector.
  • the specific slot identification method can be based on the The connection relationship between the first main body parts 110 is set, for example, each voltage dividing resistor forms a series voltage dividing relationship, etc., which is not limited here.
  • a bus structure may also be formed between each of the first main body parts 110 .
  • the circuit structures of the three first main body parts 110 are the same, and each of the three first main body parts 110 is provided with eight conductive holes 160 arranged on the first side and the On the second side, four conductive holes 160 are provided on each side.
  • the conductive holes 160 on the first side are all used for connecting external terminals, and the conductive holes 160 on the second side are connected to the first side of the next first main body portion 110 through wires.
  • the conductive holes 160 on the side and the three first main body parts 110 form a CAN (Controller Area Network) bus structure through the connection relationship in FIG. 5 .
  • CAN Controller Area Network
  • the above-mentioned voltage dividing element 150 can also be connected to the above-mentioned CAN bus structure. For example, one wire hole is selected in the first and last main body parts 110 of the CAN bus to connect two different weak voltages, and the CAN bus is connected to the CAN bus through the CAN bus structure. All the voltage dividing elements 150 are connected in series, and the slot detection is realized by sampling the voltage of the voltage dividing elements 150 .
  • the first contact module 100 further includes a third contact portion 170, the third contact portion 170 includes a third signal contact area and a fourth signal contact area, and the first signal contact area and the third signal contact area are formed for The slot for holding the gold finger, the second signal contact area and the fourth signal contact area form a slot for holding the first body portion 110 .
  • the above structure realizes stable clamping of the gold finger and stable clamping of the first main body portion 110 .
  • Two slots are respectively formed between the first contact part 120 and the third contact part 170 , one slot is used to hold the gold finger, and the other slot is used to hold the first main body part 110 , so that the first main body The part 110, the first contact module 100 and the gold finger can be connected stably.
  • the external terminal is connected to the conductive hole 160 of the first main body portion 110 through the plug-in interface, which is simple and quick to install. Meanwhile, in the later maintenance process, the connection between the external terminal and the first main body portion 110 can be disconnected by directly removing the connector 300. Interconnection for easy maintenance and replacement.
  • example 1 and example 2 can be combined in a single gold finger connector, in which case the gold finger connector can be connected to the gold finger to realize power transmission and signal transmission.
  • the modular rectifier power supply is provided with power pins and signal pins
  • the gold finger connectors correspond to the positions of the power pins and signal pins
  • the above-mentioned contact modules corresponding to power transmission and contact modules corresponding to signal transmission are set to realize the rectification process and power distribution. control.
  • the embodiment of the present application also provides a power connection module 1000, including the gold finger connector of the above example.
  • the power connection module 1000 in this embodiment may be a rack installed in a cabinet, and several gold finger connectors of the above examples are integrated on the rack. As shown in FIG. 6 , there are seven gold fingers in the power connection module 1000 The connectors are distributed into two rows of gold finger connectors, three in the upper row and four in the lower row, so that seven modular rectifier power supplies can be connected to achieve high integration.
  • the power connection module 1000 can facilitate the installation and maintenance personnel to connect the external terminals to the gold finger connector, and also facilitate the installation and maintenance personnel to disassemble and replace during maintenance.
  • the structural requirements of the terminal that is, no non-standard external terminal is required, which saves the design and procurement cost of using non-standard parts, and also saves the later maintenance cost.
  • the embodiment of the present application further provides a power supply cabinet, including the above-mentioned power connection module 1000.
  • a power supply cabinet including the above-mentioned power connection module 1000.
  • the gold finger connector of the above example can be used to connect with the external terminal.
  • the gold finger connector has its own installation structure, so there is no need to use non-standard external terminals, which saves the design and procurement costs of using non-standard parts, and also saves later maintenance costs.

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  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

一种金手指连接器及其接电模块、电源柜，其中，金手指连接器包括第一接触模块(100)和连接件(300)，第一接触模块(100)包括第一主体部(110)和用于与金手指电连接的第一接触部(120)，所述第一接触部(120)与所述第一主体部(110)电连接，连接件(300)设置有用于使外接端子与所述第一主体部(110)连接的安装结构。

Description

一种金手指连接器及其接电模块、电源柜
相关申请的交叉引用
本申请基于申请号为202011303798.9、申请日为2020年11月19日的中国专利申请提出，并要求该中国专利申请的优先权，该中国专利申请的全部内容在此引入本申请作为参考。
技术领域
本申请涉及插槽模块领域，尤其涉及一种金手指连接器及其接电模块、电源柜。
背景技术
通讯能源设备、充电桩等通常会将整流部分做成可插拔的模块，以便于维护，目前业界较多使用金手指(Connecting Finger)工艺实现上述模块的可插拔连接，即整流模块的板卡上设置有金手指，另一侧机柜中设置有金手指连接器，通过金手指和金手指连接器的配合实现插拔连接。
上述模块对应的金手指连接器的金属接触模块通常较薄，为了使金手指连接器的金属接触模块与外部的金属片连接，需要用额外元件将外部的金属片锁定在金属接触模块处，例如，金手指连接器上的接触模块要与外部的汇流铜排或者接线端子连接固定，目前常用的手段是在异形汇流铜排或接线端子上铆接螺母，通过螺钉与螺母的配合将汇流铜排或者接线端子锁紧在接触模块上；显然，这样的固定方式无法兼容标准连接件，采用上述非标连接件需要额外采购或制造，无疑增大了设备的材料成本和后期的维护成本。
发明内容
以下是对本文详细描述的主题的概述。本概述并非是为了限制权利要求的保护范围。
本申请实施例提供了一种金手指连接器及其接电模块、电源柜，无需通过非标的外接端子连接金手指连接器中的连接件，从而节省了设备的材料成本，也便于设备后期维护。
第一方面，本申请实施例提供了一种金手指连接器，包括：
第一接触模块，包括第一主体部和用于与金手指电连接的第一接触部，所述第一接触部与所述第一主体部电连接；
连接件，设置有用于使外接端子与所述第一主体部连接的安装结构。
第二方面，本申请实施例提供了一种接电单元，包括前述第一方面的金手指连接器。
第三方面，本申请实施例提供了一种电源柜，包括前述第二方面的接电单元。
本申请的其它特征和优点将在随后的说明书中阐述，并且，部分地从说明书中变得显而易见，或者通过实施本申请而了解。本申请的目的和其他优点可通过在说明书、权利要求书以及附图中所特别指出的结构来实现和获得。
附图说明
附图用来提供对本申请技术方案的进一步理解，并且构成说明书的一部分，与本申请的示例一起用于解释本申请的技术方案，并不构成对本申请技术方案的限制。
图1是本申请示例一提供的金手指连接器的剖面图；
图2是本申请示例一提供的金手指连接器另一结构的剖面图；
图3是本申请示例一提供的金手指连接器另一结构的剖面图；
图4是本申请示例二提供的金手指连接器的剖面图；
图5是本申请示例二提供的三个主体部的总线连接示意图；以及
图6是本申请一个实施例提供的接电模块的立体图。
具体实施方式
为了使本申请的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本申请进行进一步详细说明。应当理解，此处所描述的具体实施例仅用以解释本申请，并不用于限定本申请。
本申请实施例提供了一种金手指连接器及其接电模块、电源柜，在金手指连接器中设置互相连接的接触模块和连接件，并通过在连接件中设置使外接端子与接触模块连接的安装结构，使得外接端子能够直接安装固定在接触模块上，无需采用非标的外接端子与接触模块连接，从而节省了非标结构件的采购成本和采用非标结构件所带来的后期维护成本。
下面结合附图，对本申请实施例作进一步阐述。
参照图1，本申请实施例提供了一种金手指连接器，包括：
第一接触模块100，包括第一主体部110和用于与金手指电连接的第一接触部120，所述第一接触部120与所述第一主体部110电连接；
连接件300，设置有用于使外接端子与所述第一主体部110连接的安装结构。
在本实施例中，第一接触模块100作为金手指连接器中与金手指接触的部分，包括有第一接触部120和第一主体部110，其中第一接触部120通常采用金属触片的形式实现与金手指的电连接，金手指所在的板卡通过插入金手指连接器的插槽，使金手指与金手指连接器中的金属触片接触，实现信号传输或者电力传输。金手指连接器作为中介连接器件，联通控制端与金手指所在的板卡或者联通供电端与金手指所在的板卡，而现时的金手指连接器在结构上存在一些限制，使得外接端子难以固定在金手指连接器上，例如，金属触片用于电力传输，由于金属触片很薄，外接端子的连接部分也通常呈薄片(如汇流铜排上的端子或者电线头部的环形金属端子)，因此为了将金属触片和外接端子夹紧在一起，往往需要改造外接端子，如在异形汇流铜排上铆接螺母，通过螺钉和螺母配合来锁紧金属触片和外接端子；又如，金属触片用于信号传输，金属触片连接有信号传输板，信号传输板上的触点或者针脚与信号线之间同样难以锁紧，往往需要改造信号线上的端子或者接线。上述情况下，非标的外接端子需要重新设计和另外采购，不具备普适性，导致产品的材料和设计成本增加，并且在后期的维护过程中，如需更换外接端子，则只能选用非标的外接端子，导致维护人员的维护成本增加。为了解决上述采用非标的外接端子而导致成本高的问题，本申请实施例在金手指连接器的连接件上设置有使外接端子与第一主体部110连接的安装结构，通过在金手指连接器中内置安装结构，标准件的外接端子可以直接固定到安装结构从而实现与第一接触模块100连接，无需采用非标的外接端子，从而节省了非标的外接端子的设计或采购成本，也便于维护人员在后期进行更换和维修。
下面以两个具体示例对本申请的方案进行说明：
示例一：
本示例中第一接触模块100为功率接触件，用于将外部电力传输到金手指上的功率针脚；此时第一接触模块100的第一接触部120和第一主体部110都是金属触片，参照图1，第一接触部120用于与金手指电连接，而第一主体部110用于与外接端子连接，为了适配标准件 的外接端子，本示例的金手指连接器中设置有连接件300，连接件300设置有安装结构，安装结构位于第一主体部110的一侧，而外接端子位于第一主体部110的另一侧，安装维护人员可以使用与该安装结构相适配的紧固方式将外接端子连通第一主体部110锁紧在安装结构，进而使得外接端子和第一主体部110电连接，实现功率传输。
可以理解的，上述安装结构可以采用不同的方式，例如，参照图1，安装结构为设置有内螺纹的连接孔，第一主体部110位于连接孔的外侧，同时第一主体部110开设有第一通孔并使得第一通孔和连接孔相通，由于外接端子是用于传输电力的，因此标准件的外接端子通常为汇流铜排10或者一头带有环形金属端子的电线，汇流铜排10上设置有圆孔或者缺口，环形金属端子也有内圆孔，这样，使用螺钉30依次穿过外接端子和第一通孔，与连接孔的内螺纹形成螺纹配合，进而用螺钉30的头部将外接端子压紧在第一主体部110上，实现外接端子和第一主体部110之间的电连接。
上述连接件300可以是金手指连接器的壳体，也可以是其他位置固定的结构，以壳体为例，通过壳体容置第一接触模块100的同时设置上述连接孔，以便于第一接触模块100上的第一主体部110与外接端子连接，连接孔开设方式有多种，可以是直接加工成型得到内螺纹，也可以在壳体上加工出通孔或盲孔后攻丝出内螺纹，还可以通过预埋螺母的方式形成内螺纹，这种情况下，连接件300设置有预埋螺母310和螺母固定槽位320，预埋螺母310形成有安装结构；预埋螺母310置于在螺母固定槽位320内，螺母固定槽位320的槽壁开设有贯通孔，贯通孔使连接孔与第一通孔相通，这样，螺钉30依次穿过外接端子、第一通孔和贯通孔，与预埋螺母310形成螺纹配合，由于预埋螺母310在螺母固定槽位320内被固定，因此螺钉30的头部就可以压紧外接端子和第一主体部110。通过内置上述安装结构，标准件的外接端子可以直接固定在金手指连接器上，而不需要采用非标准件。
本示例的金手指连接器可以应用到模块化整流电源领域，模块化整流电源通常是可插接的，即模块化整流电源的其中一面引出金手指，而在安装机柜或安装机框中设置金手指连接，通过将模块化整流电源插入到金手指连接器，实现模块化整流电源的机架式安装，适用于通信用的电源机柜、充电桩的供电设备等；以通信用的电源机柜为例，电源机柜中集成有并排设置的多个金手指连接器，甚至可能有数排这种并排设置的金手指连接器，并且电源机柜的模块安装方式通常是从前到后安装的，那么，模块化整流电源的安装方式也不例外，从电源机构的前面板向后面板方向插入，使模块化整流电源的金手指插入到金手指连接器，然后安装维护人员再在后面板将金手指连接器接电。
由于模块化整流电源的散热口通常设置在尾部(背面)，为了使金手指连接器所在的板卡不挡住模块化整流电源的散热口，往往将金手指连接器所在的板卡平行于模块化整流电源的长度方向设置，这样，金手指连接器所在的板卡上就不会挡住模块化整流电源的尾部散热口，但这时带来了安装不方便的问题，因为金手指连接器中的金属触片同样平行于模块化整流电源的长度方向，为了将外接端子与金属触片固定，需要垂直于模块化整流电源的长度方向打螺钉30，但是上下方向通常有机框或者其他模块挡住，难以安装螺钉30，并且也不方便后续的进行维护。为了方便固定外接端子与金属触片，本示例的第一主体部110和第一接触部120之间成一角度，第一主体部110由于是与金手指电连接的，因此第一主体部110整体上平行于模块化整流电源的长度方向，而第一接触部120则翘起，以便于外接端子的安装，可以理解的是，第一主体部110和第一接触部120之间的角度可以根据需要设定，例如，第 一主体部110和第一接触部120之间互相垂直，在工艺上可以采用一体成型结构的第一接触模块100，并弯折90度形成第一主体部110和第一接触部120，这样，参照图1，就可以从后往前打螺钉30，不存在打螺钉30时被遮挡的问题，并且由于第一主体部110的尺寸很小，因此也不会挡住模块化整流电源的散热口。
为了能够稳定连接金手指，本示例还可以包括第二接触模块200，第二接触模块200在结构上与第一接触模块100基本相同，参照图1，第二接触模块200包括第二主体部210和用于与金手指电连接的第二接触部220，第二主体部210和第二接触部220通过一弯折连接，第一接触部120和第二接触部220形成用于夹持金手指的槽位，第一主体部110和第二主体部210电连接。第一接触部120和第二接触部220可以采用弹片的形式，两侧弹片相对设置以减小第一接触部120和第二接触部220之间的距离，金手指插入到第一接触部120和第二接触部220形成的槽位之间，并被两侧弹片夹持固定。
第二主体部210上设置有第二通孔，并使第二通孔和第一通孔相通，螺钉30可以将外接端子、第一主体部110和第二主体部210一并锁紧到安装结构上。可以理解的是，第一主体部110和第二主体部210之间存在电连接即可，因此第一主体部110和第二主体部210在结构上可以采用多种连接关系，例如，第一主体部110上仅一部分接触第二主体部210，第一通孔可以设置在上述接触的部分处，也可以不设置在上述接触的部分处；又如，第一主体部110和第二主体部210是互相平行的板状结构，参照图1，第一主体部110和第二主体部210重叠。
在本示例中，第一接触模块100还可以包括抵顶部130，而连接件300包括限位部330，抵顶部130抵顶限位部330以限制第一接触模块100沿金手指插入金手指连接器的插入方向的位移量。同样以上述模块化整流电源的机架式安装为例，金手指从前往后插入金手指连接器，金手指连接器中的第一接触模块100可能会因摩擦力后退，本示例通过抵顶部130和限位部330的配合可以防止第一接触模块100后退，从而加强了第一接触模块100的稳固性，增加了金手指连接器的可插拔次数。
抵顶部130和限位部330的配合方式有多种，以图2所示的结构为例，抵顶部130是沿第一接触部120表面翘起的倒刺条，限位部330是连接件300上的突起台阶，突起台阶的落差面朝向金手指一侧，抵顶部130抵顶在限位部330的落差面上，从而限制第一接触模块100的后退。除此之外，抵顶部130还可以是沿第一接触部120表面突起的台阶，抵顶部130的台阶与限位部330的台阶互相配合也能够实现限制第一接触模块100后退的效果。
为了进一步固定第一接触模块100的位置，防止金手指大力插入金手指连接器而损坏第一接触模块100，第一接触模块100还包括第一附加部140，参照图3所示，第一附加部140连接所述第一主体部110并且平行于第一接触部120，使得第一接触模块100整体成C形，第一附加部140上同样设置有抵顶部130，在第一附加部140附近，连接件300也设置有限位部330，由此，第一附加部140也能提供防止第一接触模块100后退的阻力。可以理解的是，第二接触模块200也可以按照第一接触模块100的结构设置抵顶部130，只要在第二接触模块200的抵顶部130的对应位置上，连接件300也设置有限位部330，即可在金手指插入金手指连接器时防止第二接触模块200后退。因此，可以理解的是，第一接触模块100或者第二接触模块200上可以设置有多个抵顶部130，连接件300上对应抵顶部130分别设置 有限位部330，对抵顶部130和限位部330的数量和形状，可以根据实际使用场景设置，本示例不作限定。
通过本示例中的安装结构，可以使标准件的外接端子方便地固定在金手指连接器上，而不需要采用非标准件的外接端子来配合金手指连接器中的金属触片，本示例一方面避免了非标准件的使用，降低设计和采用非标准件的成本，另一方面，在后期维护时，方便维护人员拆装和更换标准件的外接端子，降低了维护成本。
示例二
本示例中第一接触模块100为信号接触件，用于将外部的电信号传输到金手指上的信号针脚；此时第一接触模块100的第一接触部120是金属触片，而第一主体部110是印刷电路板，参照图4，第一接触部120包括用于与金手指电连接的第一信号接触区和用于与第一主体部110电连接的第二信号接触区，第一接触模块100整体固定在金手指连接器的壳体，第一接触部120呈条形，一端作为第一信号接触区用于接触金手指，另一端作为第二信号接触区连接第一主体部110上的触点，而连接件300为与第一主体部110电连接的连接器，安装结构为设置于连接件300的插接口，第一主体部110上设置有若干个导电孔160，导电孔160为印刷电路板中预留用于连接外接端子的孔位，通过连接件300与外接端子组合，然后整体插接在印刷电路板的导电孔160中，使得外接端子与导电孔160的连接，从而实现外接端子和信号接触件之间的信号传输。
同样以模块化整流电源为例，模块化整流电源的金手指中除了包括功率针脚，还包括信号针脚，信号针脚用来传输多种弱电信号，例如，相位检测信号、槽位识别信号和总线通信信号等。传统的金手指连接器中印刷电路板和外接端子在结构上没有能够互相配合安装的结构，因此往往需要通过焊接、粘合等方式将印刷电路板的触点和外接端子连接在一起，造成了安装麻烦、后期维护困难的问题。本示例通过连接器上的插接口，能够让安装维护人员方便将外接端子连接到印刷电路板的导电孔160。
由于安装机柜或者安装机框上通常设置有多个金手指连接器，金手指连接器对应哪个槽位需要被机柜的控制器识别，控制器才能准确进行信息交互。为了在第一主体部110上实现槽位识别，第一主体部110设置有分压元件150，分压元件150用于提供判断所述第一信号接触区是否与金手指电连接的电压值。可以理解的是，分压元件150在第一主体部110上可以连接两个电压引脚，从而在分压元件150上形成电势差，由于每个金手指连接器的第一主体部110上都设置有分压元件150，控制器通过采集各个金手指连接器上分压元件150上的压降，即可根据电压的大小实现槽位识别，具体的槽位识别方法可以根据各个金手指连接器上第一主体部110之间的连接关系设定，如各个分压电阻形成串联分压关系等，在此不作限定。
另一方面，各个第一主体部110之间还可以组成总线结构。参照图5，以位于同一安装机框内的三个第一主体部110为例，三个第一主体部110的电路结构相同，分别都设置有八个导电孔160且分列第一侧和第二侧，每侧设置有四个导电孔160，第一侧的导电孔160均用于连接外接端子，第二侧的导电孔160通过走线连接到下一个第一主体部110的第一侧的导电孔160，三个第一主体部110通过图5的连接关系构成CAN(Controller Area Network，控制器局域网络)总线结构，可以理解的是，不同的总线结构也具有不同连接方式，在此不对总线结构的形式进行限定。上述分压元件150也可以接入到上述CAN总线结构中，例如CAN 总线首尾两个第一主体部110中均选定一个导线孔连接两个不同的弱电电压，通过CAN总线结构将CAN总线中全部分压元件150串联起来，通过对分压元件150的电压进行采样，实现槽位检测。
可以理解的是，第一接触模块100还包括第三接触部170，第三接触部170包括第三信号接触区和第四信号接触区，第一信号接触区和第三信号接触区形成用于夹持金手指的槽位，第二信号接触区和第四信号接触区形成用于夹持第一主体部110的槽位。上述结构实现了对金手指的稳定夹持和对第一主体部110的稳定夹持。第一接触部120和第三接触部170之间分别形成了两个槽位，一个槽位用于夹持金手指，另一个槽位用于夹持第一主体部110，从而使第一主体部110、第一接触模块100和金手指之间能够稳定连接。
本示例通过插接口使外接端子与第一主体部110的导电孔160连接，在安装上简单快捷，同时后期维护过程中，直接拆卸连接件300即可断开外接端子和第一主体部110之间连接，方便维护和更换。
值得注意的是，上述示例一和示例二可以组合在单个金手指连接器中，此时金手指连接器可以连接金手指实现电力传输和信号传输。例如，模块化整流电源中设置有功率针脚和信号针脚，金手指连接器对应功率针脚和信号针脚的位置，设置上述对应电力传输的接触模块和对应信号传输的接触模块，实现整流过程和功率分配控制。
本申请实施例还提供了一种接电模块1000，包括上述示例的金手指连接器。本实施例的接电模块1000可以是安装于机柜中的机架，在机架上集成若干个上述示例的金手指连接器，如按照图6所示，接电模块1000内共有七个金手指连接器并将这些金手指连接器分布成两排，上排设置三个，下排设置四个，从而能够接入七个模块化整流电源，实现高集成度。接电模块1000通过应用上述示例的金手指连接器，可以方便安装维护人员将外接端子连接到金手指连接器上，也方便安装维护人员在维护时拆卸和更换，克服了普通金手指连接器对外接端子的结构要求，即无需采用非标准的外接端子，节省了采用非标准件的设计和采购成本，还节省了后期维护成本。
本申请实施例还提供了一种电源柜，包括上述的接电模块1000，通过在电源柜中集成上述的接电模块1000，可以使用上述示例的金手指连接器与外接端子进行连接，由于上述金手指连接器自带有安装结构，因此无需采用非标准的外接端子，节省了采用非标准件的设计和采购成本，还节省了后期维护成本。
以上是对本申请的较佳实施进行了具体说明，但本申请并不局限于上述实施方式，熟悉本领域的技术人员在不违背本申请精神的前提下还可做出种种的等同变形或替换，这些等同的变形或替换均包含在本申请权利要求所限定的范围内。

Claims (12)

  1. 一种金手指连接器，包括：
    第一接触模块，包括第一主体部和用于与金手指电连接的第一接触部，所述第一接触部与所述第一主体部电连接；以及
    连接件，设置有用于使外接端子与所述第一主体部连接的安装结构。
  2. 根据权利要求1所述的金手指连接器，其中，所述第一接触模块为一体成型结构，所述第一主体部和所述第一接触部通过一弯折连接。
  3. 根据权利要求1所述的金手指连接器，其中，所述第一主体部设置于所述连接件的外侧，所述第一主体部设置有第一通孔，所述安装结构为设置有内螺纹的连接孔，所述第一通孔与所述连接孔相通。
  4. 根据权利要求3所述的金手指连接器，其中，所述连接件设置有预埋螺母和螺母固定槽位，所述预埋螺母形成有所述安装结构；所述预埋螺母置于在所述螺母固定槽位内，所述螺母固定槽位的槽壁开设有贯通孔，所述贯通孔使所述连接孔与所述第一通孔相通。
  5. 根据权利要求2或4任一项所述的金手指连接器，还包括第二接触模块，其中，所述第二接触模块包括第二主体部和用于与金手指电连接的第二接触部，所述第二主体部和所述第二接触部通过一弯折连接，所述第一接触部和第二接触部形成用于夹持金手指的槽位，所述第一主体部和所述第二主体部电连接。
  6. 根据权利要求1所述的金手指连接器，其中，所述第一接触模块包括抵顶部，所述连接件包括限位部，所述抵顶部抵顶所述限位部以限制所述第一接触模块沿金手指插入所述金手指连接器的插入方向的位移量。
  7. 根据权利要求1所述的金手指连接器，其中，所述第一主体部为印刷电路板，所述第一接触部包括用于与金手指电连接的第一信号接触区和用于与所述第一主体部电连接的第二信号接触区，所述连接件为与所述第一主体部电连接的连接器，所述安装结构为设置于所述连接件的插接口。
  8. 根据权利要求7所述的金手指连接器，其中，所述第一主体部设置有分压元件，所述分压元件用于提供判断所述第一信号接触区是否与金手指电连接的电压值。
  9. 根据权利要求8所述的金手指连接器，其中，所述第一主体部还设置有用于级联的信号连接端。
  10. 根据权利要求7至9任一所述的金手指连接器，其中，所述第一接触模块还包括第三接触部，所述第三接触部包括第三信号接触区和第四信号接触区，所述第一信号接触区和第三信号接触区形成用于夹持金手指的槽位，所述第二信号接触区和第四信号接触区形成用于夹持所述第一主体部的槽位。
  11. 一种接电模块，包括如权利要求1至10任一项所述金手指连接器。
  12. 一种电源柜，包括如权利要求11所述的接电模块。
PCT/CN2021/122883 2020-11-19 2021-10-09 一种金手指连接器及其接电模块、电源柜 WO2022105470A1 (zh)

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