CN117543240A - Terminal assembly, connector and application - Google Patents

Terminal assembly, connector and application Download PDF

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Publication number
CN117543240A
CN117543240A CN202210920879.6A CN202210920879A CN117543240A CN 117543240 A CN117543240 A CN 117543240A CN 202210920879 A CN202210920879 A CN 202210920879A CN 117543240 A CN117543240 A CN 117543240A
Authority
CN
China
Prior art keywords
terminal
sealing
plug
cable
main body
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN202210920879.6A
Other languages
Chinese (zh)
Inventor
钱志华
窦丹风
姚宇
陆凯民
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Handa Power Technology Co ltd
Original Assignee
Jiangsu Handa Power Technology Co ltd
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 Jiangsu Handa Power Technology Co ltd filed Critical Jiangsu Handa Power Technology Co ltd
Priority to CN202210920879.6A priority Critical patent/CN117543240A/en
Publication of CN117543240A publication Critical patent/CN117543240A/en
Pending legal-status Critical Current

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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
    • 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
    • H01R11/03—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 characterised by the relationship between the connecting locations
    • H01R11/09—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 characterised by the relationship between the connecting locations the connecting locations being identical
    • 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
    • H01R11/01—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 characterised by the form or arrangement of the conductive interconnection between the connecting locations
    • 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
    • H01R13/5205—Sealing means between cable and housing, e.g. grommet
    • H01R13/5208—Sealing means between cable and housing, e.g. grommet having at least two cable receiving openings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/20—Coupling parts carrying sockets, clips or analogous contacts and secured only to wire or cable
    • 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
    • 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
    • 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
    • H02S40/36—Electrical components characterised by special electrical interconnection means between two or more PV modules, e.g. electrical module-to-module connection

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  • Connector Housings Or Holding Contact Members (AREA)

Abstract

The invention provides a terminal assembly, a connector and application, and belongs to the technical field of connectors. The terminal assembly is used for connecting a cable and comprises a main body, a wiring terminal and a sealing structure, wherein the main body is provided with a first end part and a second end part, the wiring terminal is provided with a first wiring terminal, a second wiring terminal and a saddle part, the saddle part is accommodated in the main body, at least part of the first wiring terminal is accommodated in the first end part, at least part of the second wiring terminal is accommodated in the second end part, the first wiring terminal is electrically connected with the cable, and the sealing among the cable, the first wiring terminal and the first end part is realized through the connection of the sealing structure and the first end part; the second binding post is electrically connected with the cable, and the cable, the second binding post and the second end part are sealed through connection of the sealing structure and the second end part. According to the invention, the first binding post and the second binding post are arranged on the binding post, so that the terminal assembly can be used for simultaneously connecting two cables, and the application cost of the connector is reduced.

Description

Terminal assembly, connector and application
Technical Field
The invention relates to a terminal assembly, a connector and application, and belongs to the technical field of connectors.
Background
In electronic devices, in order to achieve electrical connection between components that are electrically independent of each other, a connector is generally required, and the connector is capable of achieving electrical conduction between two independent electrical structures. The energy storage connector is one of common connectors, and comprises a plug terminal fixed on the equipment shell and a terminal assembly matched with the plug terminal, wherein the plug terminal and the terminal assembly can be electrically connected after being plugged, for example, in the fields of photovoltaic energy storage and the like, the energy storage connector is often adopted to charge the energy storage block or the electric energy of the energy storage block is output outwards through the energy storage connector.
At present, the energy storage connectors are all connected with a cable by adopting a terminal assembly, and in the application of the photovoltaic energy storage field, four interfaces are required to be arranged on one energy storage block so as to be respectively connected with the four energy storage connectors, so that positive and negative connection of a plurality of energy storage blocks is realized, the lines in the energy storage system are various, and the cost is high. Meanwhile, the existing energy storage connector directly penetrates through the terminal assembly to be connected with the plug-in terminal through the connecting piece, the situation that the connecting piece falls off frequently occurs in the installation process, the installation working time is long, and the operation efficiency of operators is difficult to promote.
In view of the foregoing, it is desirable to provide a terminal assembly and a connector that solve the above-mentioned problems.
Disclosure of Invention
The invention aims to provide a terminal assembly, a connector and application, which are used for solving the problems that the existing connector can only be connected with one cable and the connector is long in installation time.
In order to achieve the above object, the present invention provides a terminal assembly for connecting a cable, the terminal assembly including a main body, a connection terminal, and a sealing structure, the main body being provided with a first end and a second end, the connection terminal being provided with a first terminal, a second terminal, and a saddle connecting the first terminal and the second terminal, the saddle being housed in the main body such that at least a part of the first terminal is housed in the first end, at least a part of the second terminal is housed in the second end, the first terminal being electrically connected to the cable, and sealing among the cable, the first terminal, and the first end being achieved by connection of the sealing structure to the first end; the second binding post is electrically connected with the cable, and the sealing among the cable, the second binding post and the second end is realized through the connection of the sealing structure and the second end.
As a further improvement of the invention, the wiring terminal and the main body are integrally formed, one end of the first wiring terminal, which is far away from the saddle, extends out of the first end part to be electrically connected with the cable, and one end of the second wiring terminal, which is far away from the saddle, extends out of the second end part to be electrically connected with the cable.
As a further improvement of the invention, the material of the binding post is metal, and the first binding post and the second binding post are respectively riveted with the cable.
As a further improvement of the invention, the sealing structure comprises a sealing plug and a locking piece which are sleeved on the outer side of the cable, the locking piece is detachably connected with the main body, the sealing plug is respectively contacted with the wiring terminal, the cable and the main body, and the sealing plug is extruded by the locking piece, so that the wiring terminal, the cable and the main body are in sealing connection.
As a further improvement of the invention, a groove is formed between the main body and the wiring terminal, the groove is arranged close to the sealing structure, the sealing plug is provided with a first sealing end, and the first sealing end is accommodated in the groove so as to realize sealing and waterproofing between the wiring terminal and the main body.
As a further improvement of the invention, the sealing plug is also provided with a second sealing end, and the second sealing end is arranged between the locking piece and the cable so as to realize sealing and waterproofing between the locking piece and the cable.
In order to achieve the above object, the present invention further provides a connector, which includes a plug terminal and the terminal assembly described above that mates with the plug terminal, wherein the plug terminal extends into the main body at least partially and is electrically connected with the connection terminal.
As a further improvement of the invention, the plug-in terminal comprises a bus bar, wherein the main body is internally provided with a plug-in hole and a connecting piece which is accommodated in the plug-in hole and is connected with the wiring terminal, and one end of the bus bar is accommodated in the plug-in hole and is electrically connected with the wiring terminal through the connecting piece.
As a further improvement of the invention, the inner side wall of the plug hole is provided with a first limiting part, the plug terminal further comprises a rubber core and a second limiting part arranged on the outer wall surface of the rubber core, the bus piece is partially contained in the rubber core, the rubber core is at least partially contained in the plug hole, and the first limiting part and the second limiting part are mutually meshed to limit the terminal assembly and the plug terminal.
In order to achieve the above object, the present invention further provides an application of the connector in an energy storage system, where the energy storage system includes a plurality of energy storage blocks, each energy storage block is electrically connected with a corresponding terminal assembly through the plugging terminal, and the terminal assemblies on two adjacent energy storage blocks are connected with each other through a cable, so as to achieve parallel connection between the plurality of energy storage blocks.
The beneficial effects of the invention are as follows: according to the terminal assembly, the first binding post and the second binding post are arranged on the binding post, so that the terminal assembly can be connected with two cables simultaneously, and the application cost of the connector is reduced; through setting up the seal structure that can contact with cable, binding post and main part respectively, realized the waterproof sealing between terminal subassembly and the cable.
Drawings
Fig. 1 is a perspective view of a connector according to a preferred embodiment of the present invention.
Fig. 2 is an exploded view of the connector of fig. 1.
Fig. 3 is a cross-sectional view of the connector of fig. 1.
Fig. 4 is a schematic perspective view of the sealing plug of fig. 2.
Fig. 5 is a schematic diagram showing connection of the main body and the connection terminal in fig. 2.
Fig. 6 is a perspective view of the body of fig. 2.
Fig. 7 is a perspective view of the connection terminal of fig. 2.
Fig. 8 is a perspective view of the connector of fig. 2.
Fig. 9 is a perspective view of the plug terminal of fig. 1.
Fig. 10 is a cross-sectional view of the plug terminal of fig. 9.
Fig. 11 is a schematic perspective view of the core of fig. 9.
Fig. 12 is a schematic diagram of the connection of the connector of fig. 1 in an energy storage system.
Fig. 13 is a perspective view of a connector according to a second embodiment of the present invention.
Fig. 14 is an exploded view of the connector of fig. 13.
Fig. 15 is a schematic diagram of the connection of the connector of fig. 13 in an energy storage system.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1-3, the present invention discloses a connector 100 for mating with a cable 103 for connecting a plurality of devices for current or signal transmission between the plurality of devices. The connector 100 comprises a terminal assembly 101, a plug terminal 102 and a cable 103 connected with the terminal assembly 101, wherein the plug terminal 102 is fixedly connected with the device, one end of the plug terminal 102 extends into the device and is connected with an electronic element in the device, and the other end of the plug terminal is arranged outside the device so as to be connected with the terminal assembly 101 in a matched manner, so that the connection between the device and the cable 103 is realized.
In the preferred embodiment of the present invention, the terminal assembly 101 is in a "T" configuration, i.e., one connector 5 is capable of connecting two cables 103, as will be described in detail in the following description of such an embodiment.
Referring to fig. 1 to 8, a terminal assembly 101 includes a main body 1, a connection terminal 2 and a sealing structure 3, wherein the main body 1 is provided with a first end 11 and a second end 12, the connection terminal 2 is provided with a first terminal 21, a second terminal 22 and a saddle 23 for connecting the first terminal 21 and the second terminal 22, the saddle 23 is accommodated in the main body 1, at least part of the first terminal 21 is accommodated in the first end 11, at least part of the second terminal 22 is accommodated in the second end 12, the first terminal 21 is electrically connected with a cable 103, and the sealing structure 3 is connected with the first end 11 to seal the cable 103, the first terminal 21 and the first end 11; the second terminal 22 is also electrically connected to the cable 103 and the connection of the sealing structure 3 to the second end 12 enables sealing between the cable 103, the second terminal 22 and the second end 12.
Specifically, the first end 11 and the second end 12 extend outwards from the body, in this embodiment, only the first end 11 and the second end 12 are provided on the main body 1, and central axes of the first end 11 and the second end 12 coincide, that is, an included angle between the first end 11 and the second end 12 is 180 ° and the first terminal 21 and the second terminal 22 are also correspondingly 180 ° provided, so that the first terminal 21 can be accommodated in the first end 11, and the second terminal 22 can be accommodated in the second end 12, so as to realize connection between the terminal 2 and the main body 1, however, in other embodiments, a third end and/or a fourth end may be provided on the main body 1, so as to realize connection with the plurality of cables 103; the first end 11 and the second end 12 may be disposed at 0-180 ° and the first terminal 21 and the second terminal 22 may be disposed at 0-180 ° respectively, which is not limited thereto.
The connecting terminal 2 and the main body 1 are integrally formed, one end of the first binding post 21, which is far away from the saddle 23, extends out of the first end 11 to be electrically connected with the cable 103, and one end of the second binding post 22, which is far away from the saddle 23, extends out of the second end 12 to be electrically connected with the cable 103. The material of the terminal 2 is metal, and preferably the terminal 2 is made of copper. The ends of the first and second posts 21, 22 remote from the saddle 23 are each provided with a hole to receive a cable 103, and preferably the first and second posts 21, 22 are each riveted to the cable 103 such that at least two cables 103 are connected to the device through the terminal assembly 101. Of course, in other embodiments, the connection terminal 2 may be made of other metal materials, and the connection terminal 2 and the cable 103 may be connected by a screw or other connection methods, which is not limited herein.
Referring to fig. 2 to 5, the sealing structure 3 includes a sealing plug 31 and a locking member 32 sleeved on the outer side of the cable 103, the locking member 32 is detachably connected with the main body 1, the sealing plug 31 contacts with the terminal 2, the cable 103 and the main body 1 respectively, and the sealing plug 31 is extruded by the locking member 32 to enable the terminal 2, the cable 103 and the main body 1 to be in sealing connection. Specifically, two sealing structures 3 are provided, corresponding to the first end 11 and the second end 12, respectively, and the specific structures of the two sealing structures 3 and the connection manner with the main body 1 are the same, and the connection of the sealing structure 3 and the first end 11 will be described in detail herein as an example.
Retaining member 32 is hollow columnar setting, is equipped with the screw thread on the inside wall of retaining member 32 one end, is equipped with on the lateral wall of first tip 11 with retaining member 32 matched with screw thread for retaining member 32 can with first tip 11 threaded connection, preferably still be equipped with first seal groove 13 on the lateral wall of first tip 11, terminal assembly 101 still includes first sealing member (not shown) that can accept in first seal groove 13, and when retaining member 32 was connected with first tip 11, first sealing member was arranged in between retaining member 32 and first tip 11 and was acceptd in first seal groove 13 to realize sealed waterproof between retaining member 32 and the first tip 11.
The other end of retaining member 32 is the shrink form setting and is equipped with through-hole 321 in the end, and the diameter of through-hole 321 is greater than the diameter of cable 103 and is less than the cavity diameter of retaining member 32, and sealing plug 31 is located between cable 103 and retaining member 32 and is acceptd in retaining member 32's hollow structure for when retaining member 32 and main part 1 threaded connection, retaining member 32 is equipped with the one end of through-hole 321 and can extrudees sealing plug 31, makes sealing plug 31 warp, in order to realize sealing between retaining member 32 and the cable 103.
A groove 15 is formed between the first end 11 and the first terminal 21, the groove 15 is arranged close to the sealing structure 3, the sealing plug 31 is provided with a first sealing end 311 corresponding to the groove 15, the first sealing end 311 is accommodated in the groove 15, and when the locking piece 32 is locked, the first sealing end 311 is pressed to deform the first sealing end 311, so that sealing and waterproofing between the first terminal 21 and the first end 11 are realized. The sealing plug 31 is further provided with a second sealing end 312, and the second sealing end 312 is arranged between the locking piece 32 and the cable 103, so that sealing and waterproofing between the locking piece 32 and the cable 103 are realized, and sealing and waterproofing between the wiring terminal 2 and the main body 1 are further realized.
Specifically, the outer side surface of the second sealing end 312 is inclined, and the diameter of the second sealing end 312 is larger than the diameter of the through hole 321, so that when the locking member 32 is locked with the first end 11, the second sealing end 312 cannot pass through the through hole 321 to deform under the compression of the locking member 32, so as to achieve the sealing between the cable 103 and the locking member 32.
Referring to fig. 2, 3, 6 and fig. 8 and 10, the terminal assembly 101 further includes a connector 5, at least a portion of the terminal 2 is received in the main body 1, the connector 5 is received in the main body 1 and movably connected with the terminal 2, the terminal 2 includes a through hole 24, the connector 5 includes a fastening end 53, a connecting end 51, and a shaft 52 connecting the fastening end 53 and the connecting end 51, and the connecting end 51 can rotate to pass through the through hole 24, such that the shaft 52 is received in the through hole 24 to limit the terminal 2 between the fastening end 53 and the connecting end 51, thereby preventing the connector 5 from being separated from the terminal 2. Specifically, the via 24 is disposed at a middle position of the saddle 23 and penetrates the saddle 23, so that the connector 5 can partially pass through the via 24 to connect the terminal assembly 101 with the plug terminal 102.
The main part 1 includes spliced eye 4, and spliced eye 4 runs through main part 1 and with binding post 2 mutually perpendicular, and in spliced eye 4 was located to saddle 23 of binding post 2, spliced terminal 102 included busbar 8, and busbar 8's one end can stretch into spliced eye 4 and be connected with binding post 2 through connecting piece 5 to realize busbar 8 and spliced terminal 102 butt, realize the connection of terminal assembly 101 and spliced terminal 102 and transmission of electric current or signal.
The connecting hole 81 is formed in the confluence piece 8, the connecting piece 5 passes through the through hole 24 and is accommodated in the connecting hole 81, threads are formed in the connecting hole 81, and threads matched with the connecting hole 81 are also formed in the connecting end 51 of the connecting piece 5 so as to realize threaded connection between the connecting piece 5 and the confluence piece 8. The maximum diameter of the thread of the connecting end 51 is larger than the diameter of the through hole 24, the minimum diameter of the thread is smaller than the diameter of the through hole 24, and when the connecting end 51 is connected, the connecting piece 5 can rotate by itself, so that the connecting end 51 passes through the through hole 24, and the shaft lever 52 is accommodated in the through hole 24 and can slide in the through hole 24, preferably, the diameter of the shaft lever 52 is not larger than the minimum diameter of the thread (namely, the diameter of the screw rod is not larger than the diameter of the through hole 24), and the arrangement is such that the connecting piece 5 cannot directly pass through the through hole 24, thereby preventing the connecting piece 5 and the wiring terminal 2 from being separated when the terminal assembly 101 moves, and improving the installation efficiency of operators.
Referring specifically to fig. 2, the terminal assembly 101 further includes a protective sleeve 6 and a second sealing ring 61, a partition plate 16 is disposed on a side of the main body 1 near the fastening end 53, the protective sleeve 6 is sleeved on the outside of the partition plate 16, and the second sealing ring 61 is disposed between the protective sleeve 6 and the partition plate 16, so as to realize sealing between the protective sleeve 6 and the main body 1. Specifically, the partition plate 16 is disposed beside the plugging hole 4 and surrounds the plugging hole 4, the protective sleeve 6 is provided with a second sealing groove 62 for accommodating the second sealing ring 61, and when the protective sleeve 6 is sleeved outside the partition plate 16, the second sealing ring 61 is disposed between the protective sleeve 6 and the partition plate 16 and is accommodated in the second sealing groove 62, so as to realize sealing at one end of the plugging hole 4.
The protective sleeve 6 is provided with a strip hole 63 corresponding to the fastening end 53 of the connecting piece 5, so that when in connection, an external tool is used to pass through the strip hole 63 to contact the fastening end 53, and the fastening end 53 is driven to drive the connecting piece 5 to rotate so as to realize connection between the terminal assembly 101 and the plug-in terminal 102, preferably, the diameter of the fastening end 53 is larger than that of the shaft rod 52, so that the connecting terminal 2 can be placed between the fastening end 53 and the connecting end 51, and the fastening end 53 is provided with a strip opening corresponding to the strip hole 63.
Preferably, the terminal assembly 101 further includes a spacer 54, the spacer 54 is sleeved on the connecting piece 5, and when the terminal assembly is connected, the spacer 54 is disposed between the fastening end 53 and the connection terminal 2 to buffer the pressure between the fastening end 53 and the connection terminal 2, and meanwhile, to maintain the connection strength between the connecting piece 5 and the connection terminal 2, so as to avoid poor contact between the terminal assembly 101 and the plug terminal 102.
Referring to fig. 2 in combination with fig. 10, the plug terminal 102 includes a rubber core 7, and a mounting plate 73 and a sealing pad 74 sleeved on the outer side of the rubber core 7, specifically, the rubber core 7 includes an inner end 71 and an outer end 72, the mounting plate 73 is fixedly connected with the rubber core 7 and is disposed between the inner end 71 and the outer end 72, a fixing hole 731 is formed in the mounting plate 73, the connector 100 includes a fixing piece 75 adapted to the fixing hole 731, the fixing piece 75 passes through the fixing hole 731 to fix the mounting plate 73 on a housing of the device, the inner end 71 is accommodated inside the housing of the device, the outer end 72 is disposed outside the housing of the device to realize connection between the plug terminal 102 and the device, and preferably, the sealing pad 74 is disposed between the mounting plate 73 and the device to realize sealing between the plug terminal 102 and the device, so as to avoid water vapor or dust entering the device.
Referring to fig. 6 and referring to fig. 9 and 11, a first limiting portion 41 is disposed on an inner side wall of the plugging hole 4, the plugging terminal 102 includes a rubber core 7 and a second limiting portion 721 disposed on an outer wall surface of the rubber core 7, the bus member 8 is partially received in the rubber core 7, and the rubber core 7 is at least partially received in the plugging hole 4, and the first limiting portion 41 and the second limiting portion 721 are engaged with each other to limit the relative sliding of the terminal assembly 101 and the plugging terminal 102. Specifically, the first limiting portion 41 is a plurality of channels that the interval set up, a plurality of channels evenly distributed is on the inside wall of spliced eye 4, form the sand grip between a plurality of channels two by two, the second limiting portion 721 is located on the lateral wall of outer end 72, and the second limiting portion 721 sets up to the protruding edge that can accept in the passageway, in order to when terminal assembly 101 and grafting terminal 102 are connected, protruding edge is acceptd in the passageway, realize the intermeshing of first limiting portion 41 and second limiting portion 721, avoid the relative rotation between terminal assembly 101 and the grafting terminal 102, improved the connection stability between terminal assembly 101 and the grafting terminal 102.
In this embodiment, the number of the ribs and the number of the channels are the same, and the ribs and/or the protruding strips are provided with the guiding portions, so that when the ribs contact the protruding strips, the protruding strips can slide along the guiding portions to guide the ribs into the channels, so as to achieve engagement between the first limiting portion 41 and the second limiting portion 721, although in other embodiments, only one or two ribs may be provided, and no guiding portions may be provided on the ribs and/or protruding strips, and when the terminal assembly 101 is installed, the engagement between the first limiting portion 41 and the second limiting portion 721 may be achieved by slightly rotating the terminal assembly 101, which is not limited herein.
Preferably, the outer end 72 includes a third sealing groove 723, the plug terminal 102 includes a third sealing ring 725 matching the third sealing groove 723, and when the terminal assembly 101 and the plug terminal 102 are connected, the third sealing ring 725 is disposed between the outer end 72 and the main body 1 and is accommodated in the third sealing groove 723 to realize sealing between the plug terminal 102 and the terminal assembly 101.
Referring to fig. 9 to 11, the rubber core 7 is further provided with a bus hole 76 penetrating the outer end 72 and the inner end 71 to communicate between the inside and the outside of the device, the bus member 8 is accommodated in the bus hole 76, and one end is connected to the sub-assembly 101 of the terminal 51, and the other end is connected to an electronic component inside the device to electrically connect the device and the terminal assembly 101. Preferably, the busbar 8 is one of a terminal block, a rivet terminal, and a screw terminal, for example: when the bus bar 8 is a terminal block, one end of the terminal block is connected to the cable 103 inside the device, and the other end is connected to the terminal assembly 101 through the connection member 5.
The outer end 72 further includes an anti-drop member 722 disposed in the converging hole 76, an anti-drop slot 82 is disposed on an outer sidewall of the converging member 8, at least a portion of the anti-drop member 722 is accommodated in the anti-drop slot 82 and is abutted against a sidewall of the anti-drop slot 82, so as to prevent the converging member 8 from dropping out of the converging hole 76, specifically, the anti-drop member 722 extends obliquely from an inner sidewall of the converging hole 76 toward a central axis direction of the converging hole 76, that is, the converging member 8 extends from the outer end 72 toward the inner end 71 in a shrinkage manner, when the converging member 8 extends from the outer end 72 into the inner end 71, the converging member 8 can pass through the anti-drop member 722, and one end of the anti-drop member 722 away from the outer end 72 is accommodated in the anti-drop slot 82, so as to limit a position of the converging member 8 in the adhesive core 7, and simultaneously prevent the converging member 8 from dropping out from the adhesive core 7.
In addition, the converging member 8 includes a fourth sealing groove 85 and a fourth sealing member (not shown) accommodated in the fourth sealing groove 85, specifically, the fourth sealing groove 85 is disposed on one side of the anti-falling groove 82 near the connecting hole 81, and when the converging member 8 extends into the converging hole 76 and makes the anti-falling member 722 and the anti-falling groove 82 clamped, the fourth sealing member is disposed between the converging member 8 and the rubber core 7, so as to realize sealing connection between the converging member 8 and the rubber core 7.
The rubber core 7 further comprises a fixing groove 724 arranged at the outer end 72, the collecting piece 8 is further provided with a fixing portion 83, specifically, the fixing groove 724 is arranged at an end face of the outer end 72 far away from the inner end 71 and is formed by inwards sinking from the end face, the fixing portion 83 is identical to the fixing groove 724 in shape, and the fixing portion 83 extends outwards from the collecting piece 8, so that when the collecting piece 8 is contained in the rubber core 7, the fixing portion 83 is contained in the fixing groove 724 and cannot rotate relatively, and preferably, the shape of the fixing portion 83 and the shape of the fixing groove 724 are regular hexagons so as to prevent the collecting piece 8 from rotating relative to the rubber core 7.
In the present embodiment, the dimensions of the first seal ring 14, the second seal ring 61, the third seal ring 725, and the fourth seal ring are not limited as long as the sealing purpose can be achieved by being provided between the two members and being deformable by the pressing of the two members.
Referring to fig. 12, the present invention further provides an application of the connector 100 in an energy storage system 200, where the energy storage system 200 includes a plurality of energy storage blocks 201, each energy storage block 201 is electrically connected to a corresponding terminal assembly 101 through a socket terminal 102, and the terminal assemblies on two adjacent energy storage blocks 201 are connected to each other through cables, so as to achieve parallel connection between the plurality of energy storage blocks. Specifically, the positive connection ports 203 and the negative connection ports 202 are arranged on the energy storage blocks 201, the plug-in terminals 102 are connected with the positive connection ports 203, the terminal assemblies 101 are connected with the plug-in terminals 102, the terminal assemblies 101 on two adjacent energy storage blocks 201 are connected through the cables 103, meanwhile, the same operation is performed on the negative connection ports 202 of the energy storage blocks 201, so that a plurality of energy storage blocks 201 are connected in parallel.
Referring to fig. 13 and 14, the present invention also provides a second connector 100 'for connecting with a device and a cable 103 to achieve current or signal transmission between two or more devices, the connector 100' is substantially identical in structure and connection manner to the connector 100 of the preferred embodiment, and the designations and reference numerals between the components are substantially identical, except that: the first connector 100 is provided in a "T" configuration to connect two cables 103 to one connector 100, while the second connector 100 'is provided in an "L" configuration to connect only one cable 103 to one connector 100', as will be described in detail below.
The second connector 100' is provided with only an end 11', and a terminal 2 at least partially accommodated in the first end 11', wherein the end 11' is the first end 11 or the second end 12 in the first connector 100, specifically, the terminal 2 comprises a terminal post 21' and an abutting part 25 connected with the terminal post 21', at least part of the abutting part 25 is accommodated in the first end 11', and the abutting part 25 protrudes outwards from the first end 11' to rivet with the cable 103, and sealing and waterproofing between the cable 103 and the first end 11' are realized through the sealing structure 3. Preferably, the connection portion 21 'is the first terminal 21 of the first connector 100, the abutting portion 25 is the saddle 23 of the first connector 100, and the difference is that two ends of the saddle 23 of the first connector 100 are respectively connected with the first terminal 21 and the second terminal 22, only one end of the abutting portion 25 is connected with the connection portion 21', and the connection portion 21 'and the first end 11' are integrally formed, so as to improve the production efficiency.
The abutting portion 25 is exposed in the plugging hole 4, and the connecting piece 5 is accommodated in the plugging hole 4 and movably connected with the abutting portion 25. Specifically, the abutting portion 25 is provided with a via hole 24, so that the connecting piece 5 can pass through the via hole 24 and be connected with the bus hole 76 of the bus piece 8, so as to connect the abutting portion 25 with the bus piece 8 in the plug-in terminal 102, thereby realizing connection between the terminal assembly 101 and the plug-in terminal 102 and transmission of current or signals.
Referring to fig. 15, the present invention further provides an application of the second connector 100 'in the energy storage system 200, wherein the energy storage block 201 is provided with a positive connection port 203 and a negative connection port 202, a plurality of plug terminals 102 are respectively connected with the positive connection port 203 and the negative connection port 202, the plug terminals 102 of different electrodes on two adjacent energy storage blocks are connected through the cable 103 and the terminal assembly 101, and the series connection of the plurality of energy storage blocks 201 is realized through the second connector 100'. Specifically, the positive electrode connection port 203 or the negative electrode connection port 202 of the previous energy storage block 201 is connected to the negative electrode connection port 202 or the positive electrode connection port 203 of the present energy storage block 201, and then the positive electrode connection port 203 or the negative electrode connection port 202 of the present energy storage block 201 is connected to the negative electrode connection port 202 or the positive electrode connection port 203 of the next energy storage block 201, so as to realize the series connection of a plurality of energy storage blocks 201.
In summary, in the connector 100 of the present invention, the terminal assembly 101 is set to be "T" and the connection terminal 2 can be connected with at least two cables 103, so as to reduce the number of the connectors 100, reduce the cost and avoid the confusion of the connection between devices; by forming the via hole 24 on the connection terminal 2, the connecting piece 5 passes through the via hole 24, and at least part of the connecting piece 5 is accommodated in the via hole 24, and the connecting piece 5 is connected with the bus piece 8, so that the connection between the terminal assembly 101 and the plug-in terminal 102 is realized; the connecting piece 5 is prevented from falling off from the through hole 24 by limiting the connecting terminal 2 between the fastening end 53 and the connecting end 51, so that the working efficiency of operators is improved; by providing a recess 15 between the terminal 2 and the body 1 and accommodating at least part of the sealing plug 31 in the recess 15, a seal between the terminal 2 and the body 1 is achieved; by arranging at least part of the sealing plug 31 between the cable 103 and the locking member 32, the locking member 32 presses the sealing plug 31 to achieve a seal between the cable 103 and the locking member 32 when locked; by arranging the first limiting part 41 on the terminal assembly 101 and arranging the second limiting part 721 on the plug terminal 102, the first limiting part 41 is meshed with the second limiting part 721 when connected, so that the relative rotation between the terminal assembly 101 and the plug terminal 102 is avoided, and the service life of the connector 100 is prolonged; the wiring terminal 2 and the main body 1 are integrally formed, so that on one hand, the production steps are reduced, and on the other hand, the sealing effect of the connector 100 is improved; by providing a plurality of sealing rings, the overall waterproofing of the connector 100 is achieved, preventing moisture and/or dust from entering the connector 100.
The above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention.

Claims (10)

1. A terminal assembly for connecting a cable, characterized in that: the terminal assembly comprises a main body, a wiring terminal and a sealing structure, wherein the main body is provided with a first end part and a second end part, the wiring terminal is provided with a first wiring terminal, a second wiring terminal and a saddle part for connecting the first wiring terminal and the second wiring terminal, the saddle part is accommodated in the main body, at least part of the first wiring terminal is accommodated in the first end part, at least part of the second wiring terminal is accommodated in the second end part, the first wiring terminal is electrically connected with the cable, and the sealing among the cable, the first wiring terminal and the first end part is realized through the connection of the sealing structure and the first end part; the second binding post is electrically connected with the cable, and the sealing among the cable, the second binding post and the second end is realized through the connection of the sealing structure and the second end.
2. The terminal assembly of claim 1, wherein: the connecting terminal and the main body are integrally formed, one end of the first binding post, which is far away from the saddle, extends out of the first end portion so as to be electrically connected with the cable, and one end of the second binding post, which is far away from the saddle, extends out of the second end portion so as to be electrically connected with the cable.
3. The terminal assembly of claim 2, wherein: the wiring terminal is made of metal, and the first wiring terminal and the second wiring terminal are riveted with the cable respectively.
4. The terminal assembly of claim 1, wherein: the sealing structure comprises a sealing plug and a locking piece which are sleeved on the outer side of the cable, the locking piece is detachably connected with the main body, the sealing plug is respectively in contact with the binding post, the cable and the main body, and the sealing plug is extruded by the locking piece, so that the binding post, the cable and the main body are in sealing connection.
5. The terminal assembly of claim 4, wherein: the sealing plug comprises a main body and a connecting terminal, wherein a groove is formed between the main body and the connecting terminal, the groove is close to the sealing structure, a first sealing end is arranged on the sealing plug, and the first sealing end is contained in the groove so as to realize sealing and waterproofing between the connecting terminal and the main body.
6. The terminal assembly of claim 4, wherein: the sealing plug is also provided with a second sealing end, and the second sealing end is arranged between the locking piece and the cable so as to realize sealing and waterproofing between the locking piece and the cable.
7. A connector, characterized in that: a terminal assembly according to any one of claims 1 to 6 including a plug terminal and a mating connector, the plug terminal extending at least partially into the body for electrical connection with the terminal.
8. The connector of claim 7, wherein: the plug-in terminal comprises a bus bar, wherein a plug-in hole and a connecting piece which is contained in the plug-in hole and connected with the wiring terminal are arranged in the main body, and one end of the bus bar is contained in the plug-in hole and is electrically connected with the wiring terminal through the connecting piece.
9. The connector of claim 8, wherein: the plug-in terminal comprises a plug-in hole, and is characterized in that a first limiting part is arranged on the inner side wall of the plug-in hole, the plug-in terminal further comprises a rubber core and a second limiting part arranged on the outer wall surface of the rubber core, the converging piece is partially contained in the rubber core, the rubber core is at least partially contained in the plug-in hole, and the first limiting part and the second limiting part are meshed with each other to limit the terminal assembly and the plug-in terminal.
10. Use of the connector of claim 7 in an energy storage system, wherein: the energy storage system comprises a plurality of energy storage blocks, each energy storage block is electrically connected with a corresponding terminal assembly through the plugging terminal, and the terminal assemblies on two adjacent energy storage blocks are connected with each other through cables so as to realize parallel connection among the plurality of energy storage blocks.
CN202210920879.6A 2022-08-02 2022-08-02 Terminal assembly, connector and application Pending CN117543240A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210920879.6A CN117543240A (en) 2022-08-02 2022-08-02 Terminal assembly, connector and application

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210920879.6A CN117543240A (en) 2022-08-02 2022-08-02 Terminal assembly, connector and application

Publications (1)

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CN117543240A true CN117543240A (en) 2024-02-09

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Application Number Title Priority Date Filing Date
CN202210920879.6A Pending CN117543240A (en) 2022-08-02 2022-08-02 Terminal assembly, connector and application

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119093054A (en) * 2024-11-08 2024-12-06 苏州正北连接技术有限公司 A T-type energy storage connector and installation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119093054A (en) * 2024-11-08 2024-12-06 苏州正北连接技术有限公司 A T-type energy storage connector and installation method thereof

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