CN218586384U - Terminal assembly, connector and energy storage system - Google Patents

Abstract

The utility model provides a terminal subassembly, connector and energy storage system belongs to connector technical field. 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 also electrically connected with the cable, and the sealing among the cable, the second binding post and the second end part is realized through the connection of the sealing structure and the second end part. The utility model discloses a set up first terminal and second terminal on binding post, realized that the terminal subassembly can connect two cables simultaneously, reduced the application cost of connector.

Description

Terminal assembly, connector and energy storage system

Technical Field

The utility model relates to a terminal subassembly, connector and energy storage system belongs to connector technical field.

Background

In an electronic device, in order to electrically connect components that are electrically independent from each other, a connector is generally required, and the connector can electrically connect two independent electrical structures. The energy storage connector is one of common connectors, and includes a plug terminal fixed on a device housing and a terminal assembly engaged with the plug terminal, and the plug terminal and the terminal assembly can be electrically connected after being plugged into each other.

At present, an energy storage connector is 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 to be respectively connected with the four energy storage connectors, so that the connection of the positive electrode and the negative electrode of a plurality of energy storage blocks is realized, the lines in an energy storage system are various, and the cost is high. Meanwhile, the existing energy storage connector directly penetrates through the terminal component through the connecting piece to be connected with the plug terminal, the connecting piece is frequently detached in the installation process, the installation working hour is long, and the working efficiency of operators is difficult to improve.

In view of the above, it is necessary to provide a terminal assembly and a connector to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a terminal subassembly, connector and energy storage system to solve current connector and can only connect a cable and the longer problem of connector man-hour.

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 terminal and a sealing structure, the main body having a first end and a second end, the terminal having a first terminal, a second terminal and a saddle connecting the first terminal and the second terminal, the saddle being received in the main body and allowing at least a portion of the first terminal to be received in the first end and at least a portion of the second terminal to be received in the second end, the first terminal being electrically connected to the cable and sealing between the cable, the first terminal and the first end being achieved by the sealing structure being connected to the first end; the second binding post is also electrically connected with the cable, and the sealing among the cable, the second binding post and the second end part is realized through the connection of the sealing structure and the second end part.

As a further improvement of the present invention, the wiring terminal with the main body integrated into one piece sets up, the first terminal is kept away from the one end of saddle extends the first end, with cable electric connection, the second terminal is kept away from the one end of saddle extends the second end, with cable electric connection.

As a further improvement of the present invention, the material of the connecting terminal is metal, and the first terminal and the second terminal are respectively riveted to the cable.

As a further improvement, the seal structure is established including the cover sealing plug and the retaining member in the cable outside, the retaining member with the connection can be dismantled to the main part, the sealing plug respectively with binding post, cable and main part contact, and pass through the retaining member extrusion the sealing plug makes binding post, cable and main part sealing connection.

As a further improvement of the utility model, the main part with form the recess between the binding post, the recess is close to seal structure sets up, the sealing plug is equipped with first sealed end, first sealed end is acceptd in the recess, in order to realize binding post with sealed waterproof between the main part.

As a further improvement of the utility model, the sealing plug still is equipped with the sealed end of second, the sealed end of second is located the retaining member with between the cable, in order to realize the retaining member with sealed waterproof between the cable.

In order to achieve the above object, the present invention also provides a connector, including the insertion terminal and with the aforementioned terminal assembly of insertion terminal matched with, the insertion terminal at least partially stretches into in the main body with binding post electric connection.

As a further improvement, the plug-in terminal includes the piece that converges, be equipped with the spliced eye in the main part and accept in the spliced eye and with the connecting piece that binding post connects, the one end of the piece that converges is acceptd in the spliced eye and through the connecting piece with binding post electric connection.

As a further improvement, the plug terminal is provided with a first spacing portion on the inner side wall of the insertion hole, the plug terminal further comprises a rubber core and a second spacing portion arranged on the outer wall surface of the rubber core, the confluence piece portion is accommodated in the rubber core, at least part of the rubber core is accommodated in the insertion hole, and the first spacing portion and the second spacing portion are meshed with each other to be spacing, and the terminal assembly and the plug terminal are connected through the connection hole.

In order to achieve the above object, the utility model also provides an energy storage system, including a plurality of energy storage piece and aforementioned connector, every energy storage piece all passes through insertion terminal and the terminal subassembly electric connection that corresponds, and the terminal subassembly on two adjacent energy storage pieces passes through cable interconnect to it is parallelly connected to realize between this a plurality of energy storage piece.

The utility model has the advantages that: the terminal assembly of the utility model realizes that the terminal assembly can simultaneously connect two cables by arranging the first binding post and the second binding post on the binding post, thereby reducing the application cost of the connector; through setting up the seal structure that can contact with cable, binding post and main part respectively, realized the waterproof seal 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 perspective view of the sealing plug of fig. 2.

Fig. 5 is a schematic view showing the connection of the body and the connection terminal of fig. 2.

Fig. 6 is a perspective view of the body of fig. 2.

Fig. 7 is a perspective view of the 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 perspective view of the glue core of fig. 9.

Fig. 12 is a schematic view of the connector of fig. 1 connected to 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 view 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 clearer, the present invention is described in detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 3, the present invention discloses a connector 100, which is used to connect a plurality of devices to realize the transmission of current or signals between the devices, in cooperation with a cable 103. The connector 100 includes a terminal assembly 101, a plug terminal 102, and a cable 103 connected to the terminal assembly 101, wherein the plug terminal 102 is fixedly connected to the device, one end of the plug terminal 102 extends into the device and is connected to an electronic component inside the device, and the other end is disposed outside the device to be connected to the terminal assembly 101 in a matching manner, so as to connect the device to the cable 103.

In the preferred embodiment, terminal assemblies 101 are arranged in a "T" configuration, i.e., one connector 5 can be connected to two cables 103, and the following description is directed to such an embodiment.

Referring to fig. 1 to 8, the terminal assembly 101 includes a main body 1, a terminal block 2 and a sealing structure 3, the main body 1 is provided with a first end portion 11 and a second end portion 12, the terminal block 2 is provided with a first terminal 21, a second terminal 22 and a saddle 23 connecting the first terminal 21 and the second terminal 22, the saddle 23 is accommodated in the main body 1, at least a part of the first terminal 21 is accommodated in the first end portion 11, at least a part of the second terminal 22 is accommodated in the second end portion 12, the first terminal 21 is electrically connected to the cable 103, and sealing among the cable 103, the first terminal 21 and the first end portion 11 is realized through connection of the sealing structure 3 and the first end portion 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 portion 12 provides a seal between the cable 103, the second terminal 22 and the second end portion 12.

Specifically, the first end portion 11 and the second end portion 12 both extend outward from the body, in this embodiment, only the first end portion 11 and the second end portion 12 are provided on the main body 1, and central axes of the first end portion 11 and the second end portion 12 coincide, that is, an included angle between the first end portion 11 and the second end portion 12 is set at 180 °, and the first terminal 21 and the second terminal 22 are also correspondingly set at 180 °, so that the first terminal 21 can be received in the first end portion 11, and the second terminal 22 can be received in the second end portion 12, so as to achieve connection between the terminal 2 and the main body 1, of course, in other embodiments, a third end portion and/or a fourth end portion, etc. can also be provided on the main body 1, so as to achieve connection with the plurality of cables 103; the first end portion 11 and the second end portion 12 may also be disposed at 0-180 °, and the first terminal 21 and the second terminal 22 are correspondingly disposed at 0-180 °, which is not limited herein.

The terminal 2 is integrally formed with the main body 1, one end of the first terminal 21, which is far away from the saddle 23, extends out of the first end portion 11 to be electrically connected with the cable 103, and one end of the second terminal 22, which is far away from the saddle 23, extends out of the second end portion 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 binding post 21 and the second binding post 22 far away from the saddle 23 are provided with holes to receive the cables 103, and preferably, the first binding post 21 and the second binding post 22 are riveted with the cables 103 respectively, so that at least two cables 103 are connected with the equipment through the terminal assembly 101. Of course, in other embodiments, the terminal 2 may be made of other metal materials, and the terminal 2 and the cable 103 may be connected by screws or other connection methods, which are not limited herein.

Specifically, referring to fig. 2 to 5, the sealing structure 3 includes a sealing plug 31 and a locking member 32, the sealing plug 31 is sleeved on the outer side of the cable 103, the locking member 32 is detachably connected to the main body 1, the sealing plug 31 is respectively contacted with the connection terminal 2, the cable 103 and the main body 1, and the sealing plug 31 is pressed by the locking member 32, so that the connection terminal 2, the cable 103 and the main body 1 are hermetically connected. Specifically, two sealing structures 3 are provided to correspond to the first end portion 11 and the second end portion 12, and the specific structures and the connection manners of the two sealing structures 3 and the main body 1 are the same, and the connection between the sealing structure 3 and the first end portion 11 is taken as an example for detailed description.

Retaining member 32 is hollow column setting, be equipped with the screw thread on the inside wall of retaining member 32 one end, be equipped with the screw thread with retaining member 32 matched with on the lateral wall of first end portion 11, make retaining member 32 can with first end portion 11 threaded connection, preferably, still be equipped with first seal groove 13 on the lateral wall of first end portion 11, terminal subassembly 101 is still including the first sealing member (not shown) that can accept in first seal groove 13, when retaining member 32 is connected with first end portion 11, first sealing member is arranged in between retaining member 32 and first end portion 11 and is acceptd in first seal groove 13, in order to realize the waterproof seal between retaining member 32 and the first end portion 11.

The other end of retaining member 32 is the shrink form setting and is equipped with through-hole 321 at the end, the diameter of through-hole 321 is greater than the diameter of cable 103 and is less than the hollow diameter of retaining member 32, sealing plug 31 is located between cable 103 and retaining member 32 and is acceptd in the hollow structure of retaining member 32, when making retaining member 32 and main part 1 threaded connection, the sealing plug 31 can be extruded to the one end that retaining member 32 was equipped with through-hole 321, make sealing plug 31 warp, in order to realize the sealed between retaining member 32 and the cable 103.

A groove 15 is formed between the first end portion 11 and the first terminal post 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 member 32 is locked, the first sealing end 311 is squeezed to deform the first sealing end 311, so that the first terminal post 21 and the first end portion 11 are sealed and waterproof. The sealing plug 31 is further provided with a second sealing end 312, and the second sealing end 312 is arranged between the retaining member 32 and the cable 103, so that the sealing and the water proofing between the retaining member 32 and the cable 103 are realized, and the sealing and the water proofing 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 disposed obliquely, and the diameter of the second sealing end 312 is greater than that of the through hole 321, so that when the locking member 32 is locked with the first end portion 11, the second sealing end 312 cannot pass through the through hole 321 to be deformed under the pressing 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 and 6 in combination with fig. 8 and 10, the terminal assembly 101 further includes a connecting member 5, at least a portion of the connecting terminal 2 is received in the main body 1, the connecting member 5 is received in the main body 1 and movably connected to the connecting terminal 2, the connecting terminal 2 includes a through hole 24, the connecting member 5 includes a fastening end 53, a connecting end 51 and a shaft 52 connecting the fastening end 53 and the connecting end 51, the connecting end 51 can rotate to pass through the through hole 24, so that the shaft 52 is received in the through hole 24 to limit the connecting terminal 2 between the fastening end 53 and the connecting end 51 and prevent the connecting member 5 from being separated from the connecting terminal 2. Specifically, the through hole 24 is provided at the middle position of the saddle 23 and penetrates through the saddle 23, so that the connecting member 5 can partially penetrate through the through hole 24 to realize the connection of the terminal assembly 101 and the jack terminal 102.

The main part 1 includes spliced eye 4, spliced eye 4 run through main part 1 and with binding post 2 mutually perpendicular, binding post 2's saddle portion 23 is located in spliced eye 4, and spigot terminal 102 includes converging piece 8, and the one end that converges piece 8 can stretch into spliced eye 4 and is connected with binding post 2 through connecting piece 5 in order to realize converging piece 8 and spigot terminal 102 butt, realize the connection of terminal subassembly 101 and spigot terminal 102 and the transmission of electric current or signal.

The junction piece 8 is provided with a connecting hole 81, the connecting piece 5 passes through the through hole 24 and is contained in the connecting hole 81, the connecting hole 81 is internally provided with screw threads, and the connecting end 51 of the connecting piece 5 is also provided with screw threads matched with the connecting hole 81, so that the threaded connection between the connecting piece 5 and the junction piece 8 is realized. The maximum diameter of the thread of the connecting end 51 is larger than the diameter of the through hole 24, and the minimum diameter of the thread is smaller than the diameter of the through hole 24, when in connection, the connecting piece 5 can rotate by itself, so that the connecting end 51 passes through the through hole 24, and the shaft rod 52 is accommodated in the through hole 24 and can slide in the through hole 24, preferably, the diameter of the shaft rod 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), the arrangement is such that the connecting piece 5 cannot directly pass through the through hole 24, and therefore, when the terminal assembly 101 is moved, the connecting piece 5 is prevented from being separated from the terminal 2, and the installation efficiency of operators is improved.

As shown in fig. 2, the terminal assembly 101 further includes a protection sleeve 6 and a second sealing ring 61, a separation plate 16 is disposed on a side of the main body 1 close to the fastening end 53, the protection sleeve 6 is sleeved on an outer side of the separation plate 16, and the second sealing ring 61 is disposed between the protection sleeve 6 and the separation plate 16 to achieve sealing between the protection sleeve 6 and the main body 1. Specifically, division board 16 locates the side of spliced eye 4 and encloses and establish around spliced eye 4, is equipped with on the protective sheath 6 and accepts the second seal groove 62 of second sealing washer 61, when protective sheath 6 cover was established in the division board 16 outside, protective sheath 6 and division board 16 are arranged in to second sealing washer 61 between, and accept in second seal groove 62 to realize the sealed of spliced eye 4 one end.

The protective sheath 6 is formed with a bar hole 63 to correspond to the fastening end 53 of the connecting member 5, so that when connecting, an external tool is used to pass through the bar hole 63 to contact the fastening end 53 and drive the fastening end 53 to drive the connecting member 5 to rotate, so as to realize the connection between the terminal assembly 101 and the inserting terminal 102, preferably, the diameter of the fastening end 53 is greater than that of the shaft 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 formed with a bar-shaped opening corresponding to the bar hole 63.

Preferably, the terminal assembly 101 further includes a gasket 54, the gasket 54 is sleeved on the connecting member 5, and when the terminal assembly is connected, the gasket 54 is disposed between the fastening end 53 and the connecting terminal 2 to buffer the pressure between the fastening end 53 and the connecting terminal 2, and at the same time, to maintain the connection strength between the connecting member 5 and the connecting terminal 2, so as to avoid the occurrence of poor contact between the terminal assembly 101 and the inserting 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 gasket 74 that are sleeved outside 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 to the rubber core 7 and is disposed between the inner end 71 and the outer end 72, a fixing hole 731 is disposed on the mounting plate 73, the connector 100 includes a fixing member 75 that is adapted to the fixing hole 731, the fixing member 75 passes through the fixing hole 731 to fix the mounting plate 73 on a housing of the device, and allow the inner end 71 to be accommodated inside the housing of the device, and the outer end 72 is disposed outside the housing of the device to realize connection between the plug terminal 102 and the device, preferably, the sealing gasket 74 is disposed between the mounting plate 73 and the device to realize sealing between the plug terminal 102 and the device, and prevent moisture or dust from entering the device.

Referring to fig. 6 in combination with fig. 9 and fig. 11, a first limiting portion 41 is disposed on an inner side wall of the inserting hole 4, the inserting 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 bar 8 is partially accommodated in the rubber core 7, the rubber core 7 is at least partially accommodated in the inserting hole 4, and the first limiting portion 41 and the second limiting portion 721 are engaged with each other to limit the sliding of the terminal assembly 101 and the inserting terminal 102. Specifically, the first limiting portion 41 is a plurality of channels arranged at intervals, the plurality of channels are uniformly distributed on the inner side wall of the insertion hole 4, convex strips are formed between every two channels, the second limiting portion 721 is arranged on the outer side wall of the outer end 72, and the second limiting portion 721 is arranged to be convex ridges capable of being contained in the channels, so that when the terminal assembly 101 is connected with the insertion terminal 102, the convex ridges are contained in the channels, mutual meshing between the first limiting portion 41 and the second limiting portion 721 is realized, relative rotation between the terminal assembly 101 and the insertion terminal 102 is avoided, and connection stability between the terminal assembly 101 and the insertion terminal 102 is improved.

In this embodiment, the number of the protruding edges and the channels is the same, and the protruding edges and/or the protruding strips are provided with the guiding portions, so that when the protruding edges contact the protruding strips, the protruding strips can slide along the guiding portions, so as to guide the protruding edges into the channels, so as to realize the engagement between the first limiting portions 41 and the second limiting portions 721.

Preferably, the outboard end 72 includes a third seal groove 723, the plug terminal 102 includes a third seal 725 that mates with the third seal groove 723, and the third seal 725 is disposed between the outboard end 72 and the body 1 and received within the third seal groove 723 to seal between the plug terminal 102 and the terminal assembly 101 when the terminal assembly 101 and the plug terminal 102 are connected.

Referring to fig. 9 to 11, the rubber core 7 is further provided with a bus bar hole 76 penetrating through the outer end 72 and the inner end 71 of the device to communicate the inside and the outside of the device, the bus bar 8 is accommodated in the bus bar hole 76, and one end of the bus bar is connected to the terminal assembly 51, and the other end of the bus bar is connected to the electronic component inside the device, so as to electrically connect the device and the terminal assembly 101. Preferably, the bus bar 8 is one of a terminal strip, a rivet terminal, and a screw terminal, for example: when the bus bar 8 is a terminal bar, one end of the terminal bar is connected to the cable 103 inside the apparatus, and the other end is connected to the terminal assembly 101 through the link 5.

The external end 72 further includes a retaining member 722 disposed in the flow-gathering hole 76, the outer sidewall of the flow-gathering member 8 is provided with a retaining groove 82, at least a portion of the retaining member 722 is received in the retaining groove 82 and abuts against the sidewall of the retaining groove 82 to prevent the flow-gathering member 8 from falling off from the flow-gathering hole 76, specifically, the retaining member 722 extends obliquely from the inner sidewall of the flow-gathering hole 76 toward the central axis direction of the flow-gathering hole 76, that is, the flow-gathering member 8 extends in a shrinking manner from the external end 72 toward the internal end 71, when the flow-gathering member 8 extends from the external end 72 into the internal end 71, the flow-gathering member 8 can pass through the retaining member 722, and one end of the retaining member 722 far from the external end 72 is received in the retaining groove 82 to limit the position of the flow-gathering member 8 in the rubber core 7 and prevent the flow-gathering member 8 from being separated from the rubber core 7.

In addition, the bus bar 8 includes a fourth seal groove 85 and a fourth seal (not shown) accommodated in the fourth seal groove 85, specifically, the fourth seal groove 85 is disposed on one side of the detachment preventing groove 82 close to the connection hole 81, and when the bus bar 8 extends into the bus bar hole 76 and the detachment preventing piece 722 is engaged with the detachment preventing groove 82, the fourth seal is disposed between the bus bar 8 and the rubber core 7 to achieve the sealing connection between the bus bar 8 and the rubber core 7.

The rubber core 7 further comprises a fixing groove 724 arranged at the machine outer end 72, the confluence piece 8 is further provided with a fixing portion 83, specifically, the fixing groove 724 is arranged at an end face, away from the machine inner end 71, of the machine outer end 72 and is formed by inwards recessing the end face, the fixing portion 83 and the fixing groove 724 are the same in shape, the fixing portion 83 extends outwards from the confluence piece 8, when the confluence piece 8 is accommodated in the rubber core 7, the fixing portion 83 is accommodated in the fixing groove 724 and cannot rotate relatively, and preferably, the fixing portion 83 and the fixing groove 724 are both in a regular hexagon shape, so that the confluence piece 8 is prevented from rotating relative to the rubber core 7.

In this embodiment, the sizes 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 first seal ring, the second seal ring, the third seal ring 725, and the fourth seal ring can be provided between two members and can be deformed by the pressing of the two members to achieve the sealing purpose.

Referring to fig. 12, the present invention further provides an application of the connector 100 in the energy storage system 200, the energy storage system 200 includes a plurality of energy storage blocks 201, each energy storage block 201 is electrically connected to the corresponding terminal assembly 101 through the insertion terminal 102, and the terminal assemblies on two adjacent energy storage blocks 201 are connected to each other through cables, so as to realize parallel connection between the plurality of energy storage blocks. Specifically, be equipped with anodal connector 203 and negative pole connector 202 on energy storage block 201, be connected plug terminal 102 and anodal connector 203, terminal subassembly 101 is connected with plug terminal 102, and terminal subassembly 101 on two adjacent energy storage blocks 201 passes through cable 103 to be connected, simultaneously, carries out same operation to energy storage block 201's negative pole connector 202 to realize forming parallelly connected between a plurality of energy storage block 201, compare in prior art, the utility model provides a connector 100 can reduce the quantity of cable 103 and connector 100 among energy storage system 200, has further reduced energy storage system 200's cost and energy storage system 200's occupation space.

Referring to fig. 13 and 14, the present invention further provides a second connector 100 'connected to a device and a cable 103 for transmitting current or signals between two or more devices, the structure and connection of the connector 100' are substantially the same as those of the connector 100 in the above preferred embodiment, and the names and reference numbers of the components are substantially the same, the difference is that: the first connector 100 is arranged in a "T" shape to connect two cables 103 to one connector 100, while the second connector 100 'is arranged in an "L" shape to connect only one cable 103 to one connector 100', and the following description will be made in detail for this difference.

The second connector 100' is only provided with an end portion 11' and a terminal 2 at least partially accommodated in the first end portion 11', the end portion 11' is the first end portion 11 or the second end portion 12 in the first connector 100, specifically, the terminal 2 comprises a terminal post 21' and an abutting portion 25 connected with the terminal post 21', at least part of the abutting portion 25 is accommodated in the first end portion 11', the abutting portion 25 extends outwards from the first end portion 11' to be riveted with the cable 103, and sealing and water proofing between the cable 103 and the first end portion 11' are realized through the sealing structure 3. Preferably, the wire connecting portion 21 'is the first terminal 21 in the first connector 100, and the abutting portion 25 is the saddle portion 23 in the first connector 100, except that two ends of the saddle portion 23 in the first connector 100 are respectively connected to the first terminal 21 and the second terminal 22, only one end of the abutting portion 25 is connected to the wire connecting portion 21', and the wire connecting portion 21 'and the first end portion 11' are integrally formed, so as to improve the production efficiency.

The abutting part 25 is exposed in the inserting hole 4, and the connecting piece 5 is accommodated in the inserting hole 4 and movably connected with the abutting part 25. Specifically, the abutting portion 25 is provided with a through hole 24, so that the connecting member 5 can pass through the through hole 24 and be connected with the bus bar hole 76 of the bus bar 8, so as to connect the abutting portion 25 with the bus bar 8 in the plug terminal 102, so as to realize the connection between the terminal assembly 101 and the plug terminal 102 and the 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 blocks 201 are provided with an anode connector 203 and a cathode connector 202, the plurality of plug terminals 102 are respectively connected to the anode connector 203 and the cathode connector 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 plurality of energy storage blocks 201 are connected in series through the second connector 100'. Specifically, the positive electrode connector 203 or the negative electrode connector 202 of the previous energy storage block 201 is connected to the negative electrode connector 202 or the positive electrode connector 203 of the current energy storage block 201, and then the positive electrode connector 203 or the negative electrode connector 202 of the current energy storage block 201 is connected to the negative electrode connector 202 or the positive electrode connector 203 of the next energy storage block 201, so as to realize the series connection of the plurality of energy storage blocks 201.

To sum up, the connector 100 of the present invention sets the terminal assembly 101 to be "T" type, and enables the connection terminal 2 to be connected to at least two cables 103, so as to reduce the number of the connectors 100, reduce the cost, and avoid the wiring confusion between the devices; by forming the through hole 24 on the connection terminal 2, the connecting piece 5 passes through the through hole 24, and at least part of the connecting piece 5 is accommodated in the through hole 24, the connecting piece 5 is connected with the bus bar 8, so that the connection of the terminal assembly 101 and the plug terminal 102 is realized; the connecting terminal 2 is limited between the fastening end 53 and the connecting end 51, so that the connecting piece 5 is prevented from falling off from the through hole 24, and the working efficiency of operators is improved; sealing between the terminal 2 and the body 1 is achieved 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; by arranging at least part of the sealing plug 31 between the cable 103 and the locking member 32, when the locking member 32 is locked, the sealing plug 31 is pressed to realize the sealing between the cable 103 and the locking member 32; by arranging the first limiting part 41 on the terminal assembly 101 and the second limiting part 721 on the plug terminal 102, the first limiting part 41 and the second limiting part 721 are engaged during connection, so that 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 the production steps are reduced, and the sealing effect of the connector 100 is improved; by providing a plurality of sealing rings, the connector 100 is entirely watertight, preventing moisture and/or dust from entering the connector 100.

The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, 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 the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.

Claims (10)

1. A terminal assembly for connecting a cable, comprising: the terminal assembly comprises a main body, a connecting terminal and a sealing structure, wherein the main body is provided with a first end part and a second end part, the connecting terminal is provided with a first connecting terminal, a second connecting terminal and a saddle part for connecting the first connecting terminal and the second connecting terminal, the saddle part is accommodated in the main body, at least part of the first connecting terminal is accommodated in the first end part, at least part of the second connecting terminal is accommodated in the second end part, the first connecting terminal is electrically connected with the cable, and the sealing among the cable, the first connecting 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 part is realized through the connection of the sealing structure and the second end part.

2. The terminal assembly of claim 1, wherein: the wiring terminal and the main body are integrally formed, one end, far away from the saddle, of the first wiring terminal extends out of the first end portion to be electrically connected with the cable, and one end, far away from the saddle, of the second wiring terminal extends out of the second end portion to be electrically connected with the cable.

3. The terminal assembly of claim 2, wherein: the material of binding post is metal, first terminal and second terminal respectively with the cable riveting.

4. The terminal assembly of claim 1, wherein: seal structure establishes including the cover sealing plug and the retaining member in the cable outside, the retaining member with the connection can be dismantled to the main part, the sealing plug respectively with binding post, cable and main part contact, and pass through the retaining member extrusion the sealing plug makes binding post, cable and main part sealing connection.

5. The terminal assembly of claim 4, wherein: the sealing plug is provided with a first sealing end, and the first sealing end is contained in the groove so as to realize the sealing and water proofing between the wiring terminal and the main body.

6. The terminal assembly of claim 4, wherein: the sealing plug still is equipped with the second sealed end, the second sealed end is located the retaining member with between the cable, in order to realize the retaining member with sealed waterproof between the cable.

7. A connector, characterized by: a terminal assembly according to any one of claims 1 to 6, comprising a plug terminal and a mating terminal, the plug terminal extending at least partially into the body and being electrically connected to the terminal.

8. The connector of claim 7, wherein: the plug terminal comprises a junction piece, a plug hole and a connecting piece which is contained in the plug hole and connected with the wiring terminal are arranged in the main body, and one end of the junction piece is contained in the plug hole and 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, a junction component and a terminal component, wherein a first limiting part is arranged on the inner side wall of the plug-in hole, the terminal component comprises a rubber core and a second limiting part arranged on the outer wall surface of the rubber core, the junction component is partially accommodated in the rubber core, the rubber core is at least partially accommodated in the plug-in hole, and the first limiting part and the second limiting part are meshed with each other to limit the terminal component and the terminal component.

10. An energy storage system, characterized by: the connector of claim 7, wherein each energy storage block is electrically connected to the corresponding terminal assembly through the insertion terminal, and the terminal assemblies of two adjacent energy storage blocks are connected to each other through a cable, so as to connect the energy storage blocks in parallel.

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