TW202335381A - Electrical connection device including a bus bar set and a bus bar connector - Google Patents

Abstract

An electrical connection device includes a bus bar set and a bus bar connector. The bus bar set includes a first bus bar and a second bus bar. The first bus bar has a first body and a first transmission part disposed on one side of the first body. The first transmission part includes a first mounting plate. The second bus bar has a second body and a second transmission part disposed on one side of the second body. The second transmission part includes a second mounting plate. The bus bar connector includes an insulating housing, a plurality of power terminals arranged in the insulating housing and divided into two groups, and a first adapter plate and a second adapter plate respectively connected to the two power terminals and adjacent to the first mounting plate and the second mounting plate. At least one floating module is provided between the first mounting plate and the first adapter plate and between the second mounting plate and the second adapter plate.

Description

Electrical connection device

The present invention relates to a connecting device, in particular to an electrical connecting device.

Chinese invention patent publication number CN109426326A discloses a busbar set of a chassis. The first output part of the first connection bus includes a plurality of first holes, and the second output part of the second connection bus includes a plurality of second holes. , the first hole corresponds to the second hole, and the first hole and the second hole allow the cabinet bus bar of the server cabinet to be fixed in the gap between the first output part and the second output part, wherein the first hole and the second hole The hole may be, for example, but not limited to, a keyhole for locking. However, this method of fixing the cabinet bus bar of the server cabinet to the first output part and the second output part of the chassis is very time-consuming to disassemble, thus causing inconvenience in maintenance.

Therefore, an object of the present invention is to provide an electrical connection device that can improve at least one problem in the prior art.

Therefore, in some embodiments, the electrical connection device of the present invention includes a bus bar set and a bus bar connector. The bus bar set includes a first bus bar, a second bus bar, and an insulating layer. The first bus bar has a first body, a first transmission part provided on one side of the first body, and a plurality of first mounting parts provided on the other side of the first body. The first transmission part includes There is a first base plate and a first erection plate. The first base plate extends upward from the side of the first body. The first erection plate extends from one side of the first base plate to the other side of the first body. extend. The second bus bar has a second body, a second transmission part provided on one side of the second body, and a plurality of second mounting parts provided on the other side of the second body. The second transmission part includes There is a second base plate and a second erection plate. The second base plate extends upward from the side of the second body. The second erection plate extends from one side of the second base plate to the other side of the second body. Extended, the first body is located above the second body, and the insulation layer is provided between the first body and the second body, and the first erection plate and the second erection plate are located above the first body. . The bus bar connector includes an insulating housing, a plurality of power terminals arranged in the insulating housing and divided into two groups, and respectively connected to the two groups of power terminals and adjacent to the first erection plate and the second erection plate. A first adapter plate and a second adapter plate of the board, at least one is respectively provided between the first erection plate and the first adapter plate and between the second erection plate and the second adapter plate. Floating module.

In some implementations, the first mounting portions of the first bus bar and the second mounting portions of the second bus bar are arranged in a staggered manner.

In some implementations, the floating module between the first erection board and the first adapter board includes a plug and a socket, and the plug is disposed between the first erection board and the first adapter board. In one of them, the socket is provided on the other one of the first erection board and the first adapter board.

In some implementations, the floating module between the second erection board and the second adapter board includes a plug and a socket, and the plug is disposed between the second erection board and the second adapter board. In one of them, the socket is provided on the other one of the second erection board and the second adapter board.

In some implementations, the socket includes a base body, a barrel, a pressure element and a contact piece; the base body has a channel extending between two ends and an annular shape extending outward from the channel. The barrel has a barrel with an outer diameter smaller than the channel, and an annular flange extending outward from the outer wall of the barrel. The annular flange is movably accommodated in the annular shape. The pressure element is elastic and is provided between the annular flange of the barrel and the annular placement groove, so that the barrel can float in the channel, and the contact piece is provided on the barrel. The plug has a plug inserted into the socket and contacts the contact.

In some implementations, the insulating housing of the bus bar connector has two slots, the two sets of power terminals are respectively disposed in the two slots, and each of the power terminals has an opening extending toward the slot. A plurality of contact parts, and a connection part connected to the first adapter board or the second adapter board.

In some implementations, the plurality of power terminals in each slot are arranged in multiple rows and columns.

In some implementations, the bus bar connector further includes a plurality of support blocks fixed to the insulating housing. The support blocks jointly support the first adapter plate and the second adapter plate from both sides. The first adapter board and the second adapter board.

In some embodiments, a panel is further included, and the insulating shell is floatingly provided on the panel. There are gaps between the panel and the first substrate and between the panel and the second substrate, and the gaps accommodate A portion of the insulating housing is floatably limited to the gap.

In some implementations, two cabinet bus bars are also included. The two cabinet bus bars are respectively inserted into the two slots of the bus bar connector and are respectively in contact with the contact portions of the two sets of power terminals. The bus bar connector is electrically connected to the bus bars of the two cabinets in a pluggable manner.

In some implementations, two cabinet bus bars are also included. Each of the two cabinet bus bars is provided with a plug-in board. The plug-in boards of the two cabinet bus bars are respectively inserted into the two plug-in sockets of the bus bar connector. slots, and are respectively in contact with the contact portions of the two sets of power terminals to be electrically connected, so that the bus bar connector and the bus bars of the two cabinets can be pluggably connected.

In some implementations, the bus bars of the two cabinets extend up and down, the two slots of the bus bar connector are in the shape of grooves with open upper and lower ends, and the bus bar connector can float up and down relative to the bus bars of the two cabinets. The ground is connected to the bus bars of the two cabinets.

In some implementations, a plurality of connectors are further included, and the connectors are respectively installed on the first mounting parts of the first bus bar and the second mounting parts of the second bus bar.

The electrical connection device of the present invention uses the bus bar connector having the power terminals and being pluggably plugged into the bus bars of the two cabinets, so that the disassembly process is quick and convenient and is conducive to maintenance operations. In addition, through the floating module provided between the first erection plate and the first adapter plate and between the second erection plate and the second adapter plate, the first erection plate and the first The adapter boards and the second erection board and the second adapter board are connected in a floating manner, so that the bus bar connector can float relative to the bus bar group. In addition, the two slots of the bus bar connector are groove-shaped with upper and lower ends open, so that the bus bar connector can float up and down relative to the two cabinet bus bars and be plugged into the two cabinet bus bars. Through the above-mentioned floating connection relationship, the plugging process between the bus bar connector and the bus bars of the two cabinets can be smoother. Furthermore, through the multi-point contact between the contact portions of the power terminals and the bus bars of the two cabinets, the impedance between the two can be reduced to increase the electrical conductivity.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are designated with the same numbering.

Referring to Figures 1 to 4, a first embodiment of the electrical connection device 100 of the present invention includes a bus bar set 1, a plurality of connectors 2, a bus bar connector 3, a panel 4, and two cabinet bus bars. 5. It should be noted that, for example, the bus bar set 1, the connectors 2 and the bus bar connector 3 are provided in a server case (not shown), and the panel 4 may be constructed in the server case. on the chassis, and the cabinet bus bar 5 is, for example, installed in a server cabinet (not shown in the figure).

Referring to FIGS. 1 to 5 , the bus bar set 1 includes a first bus bar 11 , a second bus bar 12 , and an insulating layer 13 . The first bus bar 11 has a first body 111 , a first transmission part 112 provided on one side of the first body 111 , and a plurality of first mounting parts 113 provided on the other side of the first body 111 . The first bus bar 11 is made of, for example, a copper material that can flow large currents and has good heat dissipation. The first body 111, the first transmission part 112 and the like are formed by stamping and bending. The first mounting part 113. The first body 111 is in the shape of a wide flat plate and extends in a front-to-back direction D1 (the direction pointed by the arrow is forward, and the opposite direction is backward) and a left-right direction D2 (the direction pointed by the arrow is right, and the opposite direction is left), and the first body 111 is in the shape of a wide plate. The width of the first body 111 in the left-right direction D2 is greater than the length in the front-rear direction D1. For example, the first transmission part 112 is integrally formed on the front edge of the first body 111 and includes a first base plate 112a and a first erection plate 112b. The first base plate 112a is formed from the first body 111 The front edge extends upward along an up-down direction D3 (the direction pointed by the arrow is upward, the opposite direction is downward), and the first erection plate 112b is directed from one side of the first base plate 112a toward the rear edge of the first body 111 Extend towards the rear. For example, the first mounting portions 113 are integrally formed on the rear edge of the first body 111 and extend upward at intervals along the left-right direction D2.

The second bus bar 12 has a second body 121 , a second transmission part 122 provided on one side of the second body 121 , and a plurality of second mounting parts 123 provided on the other side of the second body 121 . The second bus bar 12 is made of, for example, a copper material that can flow large currents and has good heat dissipation. The second body 121 , the second transmission part 122 and the like are formed by stamping and bending. The second mounting part 123. The second body 121 is in the shape of a wide plate and extends along the front-rear direction D1 and the left-right direction D2, and the width of the second body 121 in the left-right direction D2 is greater than the length in the front-rear direction D1. For example, the second transmission part 122 is integrally formed on the front edge of the second body 121 and includes a second base plate 122a and a second erection plate 122b. The second base plate 122a is formed from the second body 121 The front side edge extends upward along the up-down direction D3, and the second erecting plate 122b extends rearwardly from one side of the second base plate 122a toward the rear side edge of the second body 121. For example, the second mounting portions 123 are integrally formed on the rear edge of the second body 121 and extend upward at intervals along the left-right direction D2.

The first body 111 of the first bus bar 11 is located above the second body 121 of the second bus bar 12, and the insulating layer 13 is disposed between the first body 111 and the second body 121. The layer 13 is used to separate the first body 111 and the second body 121 to prevent them from contacting and conducting each other. In the first embodiment, the insulating layer 13 is an insulating sheet. The insulating layer 13 is fixed between the first body 111 and the second body 121 through insulating glue, for example. Of course, the insulating layer 13 can also be locked to the first body 111 and the second body 121 through screw locking, and is not limited to the insulating glue method. The insulating layer 13 may also be composed of insulating paint or insulating glue applied between the first body 111 and the second body 121, and is not limited to an insulating sheet.

The first mounting portions 113 of the first bus bar 11 and the second mounting portions 123 of the second bus bar 12 are staggered in the left-right direction D2. The connectors 2 are respectively mounted to the first mounting portions 113 of the first bus bar 11 and the second mounting portions 123 of the second bus bar 12 toward the rear. For example, the connectors 2 can It is used to electrically connect multiple power supply units (PSU) (not shown) and multiple battery backup power units (BBU) (not shown) in the server chassis. In this first embodiment, the first bus bar 11 is connected to the positive terminal of each power supply unit or each battery backup power unit, and the second bus bar 12 is connected to each power supply unit or each battery. Negative terminal of the backup power unit.

Referring to FIGS. 2 to 6 , the first erection plate 112b and the second erection plate 122b are located above the first body 111 and are spaced side by side along the left-right direction D2. The bus bar connector 3 includes an insulating housing 31, a plurality of power terminals 32 arranged in the insulating housing 31 and divided into two groups, and respectively connected to the two groups of power terminals 32 and adjacent to the first erection plate. 112b and a first adapter plate 33 and a second adapter plate 34 of the second erection plate 122b. The first adapter board 33 and the second adapter board 34 are, for example, made of copper material that can flow large currents and have good heat dissipation. Specifically, the first adapter board 33 and the second adapter board 34 are made of copper material. The connecting plates 34 are spaced side by side along the left and right direction D2, and are located between the first erecting plate 112b and the second erecting plate 122b, respectively with the first erecting plate 112b and the second erecting plate 122b along the left and right directions. The directions D2 are opposite to each other. In detail, the bus bar connector 3 also includes a plurality of support blocks 35 fixed on the insulating housing 31 . The support blocks 35 are jointly connected from the first adapter plate 33 and the second adapter plate 34 . Two side surfaces in the left and right direction D2 support the first adapter plate 33 and the second adapter plate 34. For example, the support blocks 35 can be fixed to the insulating housing 31 through a plurality of screws 36. The support block 35 , the first adapter plate 33 and the second adapter plate 34 may be locked and fixed through a plurality of screws 37 .

A plurality of floating modules 6 are respectively provided between the first erection plate 112b and the first adapter plate 33 and between the second erection plate 122b and the second adapter plate 34. It should be noted that in other In an implementation mode, only one floating module 6 may be provided between the first erection plate 112b and the first adapter plate 33 and between the second erection plate 122b and the second adapter plate 34. This first embodiment should not be limited.

Each floating module 6 includes a plug 61 and a socket 62 facing each other along the left-right direction D2. The plug 61 and the socket 62 are made of copper material that can pass large currents and has good heat dissipation, for example. The plug 61 of each floating module 6 between the first erection board 112b and the first adapter board 33 is provided on one of the first erection board 112b and the first adapter board 33. The socket 62 of each floating module 6 between the first erection board 112b and the first adapter board 33 is provided on the other one of the first erection board 112b and the first adapter board 33. In the first embodiment, some of the plugs 61 of the floating modules 6 between the first erection board 112b and the first adapter board 33 are provided on the first erection board 112b, and some are provided on the first erection board 112b. The first adapter board 33; some of the sockets 62 of the floating modules 6 between the first erection board 112b and the first adapter board 33 are provided on the first erection board 112b, and some are provided on the first adapter board 33 .

The plug 61 of each floating module 6 between the second erection plate 122b and the second adapter plate 34 is disposed on one of the second erection plate 122b and the second adapter plate 34. The socket 62 of each floating module 6 between the second erection plate 122b and the second adapter plate 34 is disposed on the other one of the second erection plate 122b and the second adapter plate 34 . In the second embodiment, some of the plugs 61 of the floating modules 6 between the second erection plate 122b and the second adapter plate 34 are disposed on the second erection plate 122b, and some are disposed on the second erection plate 122b. The second adapter plate 34; some of the sockets 62 of the floating modules 6 between the second erection plate 122b and the second adapter plate 34 are provided on the second erection plate 122b, and some are provided on the second adapter board 34 .

Referring to FIG. 3 and FIG. 7 to FIG. 8 , the socket 62 includes a base 621 , a barrel 622 , two pressure components 623 , a contact 624 , and a fixing ring 625 . The plug 61 has a plug 611 for inserting into the socket 62 along the left-right direction and contacting the contact 624 . The base 621 has a channel 621a extending along the left-right direction D2 between two ends and an annular receiving groove 621b extending outward from the channel 621a. The barrel 622 has a barrel 622a with an outer diameter smaller than the channel 621a, and an annular flange 622b extending outward from an outer wall of the barrel 622a. The annular flange 622b is movably accommodated in the barrel 622a. The annular placement groove 621b. The two pressing elements 623 are elastic and are disposed between the annular flange 622b of the barrel 622 and the annular receiving groove 621b, so that the barrel 622 can float in the channel 621a. Specifically, in the first embodiment, the two pressing elements 623 are wave spring ring pieces and are respectively provided on both end surfaces of the annular flange 622b in the left-right direction D2, so that the barrel-shaped member 622 can float radially in the channel 621a (that is, float on the plane formed by the front-rear direction D1 and the up-down direction D3) and float along the left-right direction D2. However, in other implementations, the pressure elements 623 can be other existing elastic elements that can be used to apply pressure, and the number of the pressure elements 623 can be one or more than three, and is not limited to this first embodiment.

The contact piece 624 is disposed in the barrel 622a of the barrel 622 and allows the insertion post 611 of the plug 61 to extend therethrough. The contact piece 624 has an end edge disposed on the inner wall surface of the barrel 622a adjacent to the barrel 622a. An annular head 624a at the annular head 624a, and a plurality of elastic contact pieces 624b extending obliquely from the annular head 624a toward the other end edge of the barrel 622a and inward for contacting the plug 611. The fixing ring 625 and the barrel 622a of the barrel 622 jointly clamp the annular head 624a of the contact 624 to fix the contact 624 in the barrel 622. Specifically, the fixing ring 625 has A clamping portion 625a that is annular and jointly clamps the annular head 624a of the contact piece 624 with the inner wall surface of the barrel 622a, and extends outward from the end edge of the clamping portion 625a and abuts against the A resisting portion 625b is located at the end edge of the barrel 622a. Specifically, since the plug 611 of the plug 61 penetrates into and contacts the contact 624 of the socket 62 along the left-right direction D2, the plug 611 of the plug 61 can also be in contact with the contact 624 of the socket 62. The left and right direction D2 floats.

Through the floating module 6 provided between the first erection plate 112b and the first adapter plate 33 and between the second erection plate 122b and the second adapter plate 34, the first erection plate 112b The first adapter plate 33 and the second erection plate 122b and the second adapter plate 34 are floatingly connected along the left-right direction D2, so that the bus bar connector 3 can be connected relative to the bus. The strip group 1 floats in the left-right direction D2.

Referring to FIG. 1 , FIG. 2 , FIG. 9 and FIG. 10 , the insulating housing 31 of the bus bar connector 3 is provided in a floating manner on the panel 4 . The panel 4 has a through hole 41 that penetrates from front to back, and a plurality of elongated holes 42 that penetrate from front to back and are distributed on the left and right sides of the through hole 41 . The elongated holes 42 extend along the left and right direction D2. The insulating housing 31 has a plug portion 311 passing through the through hole 41 from back to front, two wing portions 312 respectively extending left and right and protruding outward and installed on the rear side of the panel 4, and are respectively formed on The two wing portions 312 can slide forward in the left-right direction D2 and protrude a plurality of sliding protrusions 313 from the elongated holes 42. Each of the sliding protrusions 313 is formed with a screw lock (not shown) for locking. A screw lock hole 313a is attached, and the sliding protrusions 313 can be slidably limited in the elongated holes 42 along the left and right direction D2 through the screw lock. Moreover, there is a gap G between the panel 4 and the first substrate 112a and between the panel 4 and the second substrate 122a. The gap G accommodates the two wings 312 of the insulating housing 31 so that the The two wings 312 of the insulating housing 31 may be floatingly limited to the gap G along the left-right direction D2.

Referring to Figures 1, 3, 6 and 11, the insulating housing 31 of the bus bar connector 3 also has two slots 314 formed through the plug portion 311 in the front and rear direction D1. The two groups The power terminals 32 are respectively arranged in the two slots 314. The plurality of power terminals 32 in each slot 314 are arranged in multiple rows and columns, and are arranged on the first adapter board 33 or the second adapter. The plate 34 has both sides in the left-right direction D2. Each power terminal 32 has a plurality of contact portions 321 located at the front and extending toward the front opening of the slot 314 in an arrangement along the up-down direction D3, and located at the rear and connected to the first adapter plate 33 or the second adapter plate 33. There is a connecting portion 322 of the adapter plate 34. The connecting portion 322 and the first adapter plate 33 or the second adapter plate 34 can be connected to each other through fasteners such as rivets or welding, for example.

The two cabinet bus bars 5 extend along the up-down direction D3 and face each other along the left-right direction D2. The two cabinet bus bars 5 are each equipped with a plug-in board 51 through a screw lock element 52. The two cabinet bus bars 5 have The plug-in boards 51 are opposite to each other along the left-right direction D2 and extend backward. The plug-in boards 51 of the two cabinet bus bars 5 are respectively inserted into the two slots 314 of the bus bar connector 3 and are respectively connected with the two groups. The contact portions 321 of the power terminal 32 are in contact and electrically connected, so that the bus bar connector 3 and the bus bars 5 of the two cabinets are pluggable and pluggable. Specifically, the contact portion 321 of each group of power terminals 32 is in contact with the left and right sides of the corresponding plug board 51 of the cabinet bus bar 5 .

Referring to Figures 9 to 10 and Figures 12 to 15, furthermore, in the first embodiment, each slot 314 of the insulating housing 31 of the bus bar connector 3 has a frontward and diagonally extending shape. The two angled portions 314a of each slot 314 are opposite to each other in the left-right direction D2, and are used for inserting the plug-in boards 51 of the two cabinet bus bars 5 into the insulation. The two slots 314 of the housing 31 play a guiding role in the left-right direction D2. Therefore, when the plug-in boards 51 of the two cabinet bus bars 5 are inserted into the two slots 314 of the insulating housing 31, the plug-in boards 51 of the two cabinet bus bars 5 are in contact with the insulating housing 31. When the two slots 314 are not completely aligned in the left-right direction D2, the busbar connector 3 can be positioned relative to the busbar set 1 and the panel 4 (server Chassis) floats in the left-right direction D2 (the bus bar connector 3 floats to the left as shown in Figures 12 and 13, or the bus bar connector 3 floats to the right as shown in Figures 14 and 15) , so that the plug-in boards 51 of the two cabinet bus bars 5 and the two slots 314 of the insulating housing 31 can be completely aligned in the left and right direction D2, so that the two cabinet bus bars 5 and the bus bar can be completely aligned. Connector 3 can be connected smoothly. In addition, the wings 312 of the insulating housing 31 of the bus bar connector 3 that can be floatingly limited in the gap G along the left and right direction D2 can also prevent the bus bar connector 3 from being twisted during the above-mentioned docking process. role.

Referring to Figures 1, 2, 9 and 10, in addition, the two slots 314 of the bus bar connector 3 are in the shape of grooves with open upper and lower ends, and the bus bar connector 3 can be positioned relative to the two cabinet bus bars. The plug-in board 51 of 5 is connected with the bus bars 5 of the two cabinets in a floating up and down manner.

By having the bus bar connector 3 having the power terminals 32 and being pluggably plugged into the bus bars 5 of the two cabinets, the disassembly process is quick and convenient and is conducive to maintenance operations. In addition, through the two slots 314 of the bus bar connector 3 that are open at the upper and lower ends, the bus bar connector 3 can float up and down relative to the two cabinet bus bars 5 to connect with the two cabinets. Bar 5 is plugged in, that is to say, the bus bar connector 3 can float in the left and right direction D2 relative to the bus bar set 1 and the panel 4 (server chassis), and the bus bar connector 3 can float relative to the bus bar group 1 and the panel 4 (server chassis). The bus bars 5 of the two cabinets can float in the up-down direction D3, thereby making the plugging process between the bus bar connector 3 and the bus bars 5 of the two cabinets smoother. Furthermore, through the multi-point contact between the contact portions 321 of the power terminals 32 and the two cabinet bus bars 5, the impedance between the two can be reduced to increase the conductive capability.

Referring to Figures 16 and 17, the difference between the second embodiment of the electrical connection device 100 of the present invention and the first embodiment is that the two cabinet bus bars 5 are directly inserted into the bus bar connectors respectively. The two slots 314 of 3 are in contact with the contact portions 321 of the two sets of power terminals 32 and are electrically connected, so that the bus bar connector 3 and the two cabinet bus bars 5 can be pluggably connected.

In summary, the electrical connection device 100 of the present invention uses the bus bar connector 3 having the power terminals 32 and being pluggable with the bus bars 5 of the two cabinets to make the disassembly process quick, convenient and beneficial. for maintenance work. In addition, through the floating module 6 provided between the first erection plate 112b and the first adapter plate 33 and between the second erection plate 122b and the second adapter plate 34, the first erection The board 112b and the first adapter plate 33 and the second erection plate 122b and the second adapter plate 34 are connected in a floating manner, so that the bus bar connector 3 can be connected relative to the bus bar set 1 float. In addition, through the two slots 314 of the bus bar connector 3 that are open at the upper and lower ends, the bus bar connector 3 can float up and down relative to the two cabinet bus bars 5 to connect with the two cabinets. Strip 5 plug-in. Through the above-mentioned floating connection relationship, the plugging process between the bus bar connector 3 and the bus bars 5 of the two cabinets can be made smoother. Furthermore, through the multi-point contact between the contact portions 321 of the power terminals 32 and the two cabinet bus bars 5, the impedance between the two can be reduced to increase the conductive capability.

However, the above are only examples of the present invention, and should not be used to limit the scope of the present invention. All simple equivalent changes and modifications made based on the patent scope of the present invention and the content of the patent specification are still within the scope of the present invention. Within the scope covered by the patent of this invention.

100: Electrical connection device 1:Bus bar group 11:First bus 111:First body 112:First transmission department 112a: first substrate 112b: First erection board 113:First installation department 12:Second bus bar 121:Second body 122: Second transmission department 122a: Second substrate 122b: Second erection board 123: Second installation department 13:Insulation layer 2: Connector 3:Bus bar connector 31: Insulating shell 311: Plug-in part 312:Wing 313:Sliding convex part 313a:Screw lock hole 314:Slot 314a: Leading corner 32:Power terminal 321:Contact Department 322:Connection part 33: First adapter board 34: Second adapter board 35:Support block 36:Screw 37:Screw 4:Panel 41: Piercing 42: long hole 5: Cabinet bus bar 51:Plug-in board 52:Screw lock component 6: Floating module 61:Plug 611:insertion post 62:Socket 621: base body 621a: Channel 621b: Ring placement groove 622:Barrel 622a: Barrel body 622b: Annular flange 623: Pressure element 624:Contacts 624a: Ring head 624b: Elastic contact piece 625: Fixed ring 625a: Clamping part 625b: abutment part D1: forward and backward direction D2: left and right direction D3: up and down direction G: Gap

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, in which: Figure 1 is a perspective view of a first embodiment of the electrical connection device of the present invention; Figure 2 is an exploded perspective view of the first embodiment; Figure 3 is a further perspective exploded view of the first embodiment; Figure 4 is an exploded perspective view of the first embodiment in Figure 3 viewed from another perspective; Figure 5 is an exploded perspective view of the bus bar set and floating module of the first embodiment; Figure 6 is an exploded perspective view of the bus bar connector and floating module of the first embodiment; Figure 7 is a cross-sectional view of the floating module of the first embodiment; Figure 8 is an exploded perspective view of the socket of the floating module according to the first embodiment; Figure 9 is a top view of the first embodiment; Figure 10 is a front view of the first embodiment, with the cabinet bus bar of the first embodiment omitted in the figure; Figure 11 is an exploded perspective view of the power terminals and the first adapter plate of the bus bar connector of the first embodiment; Figure 12 is a top view similar to Figure 9, in which the cabinet bus bar of the first embodiment is omitted, and the bus bar connector of the first embodiment is floatingly offset to the left; Figure 13 is a front view similar to Figure 10, in which the bus bar connector of the first embodiment is floatingly offset to the left; Figure 14 is a top view similar to Figure 9, in which the cabinet bus bar of the first embodiment is omitted, and the bus bar connector of the first embodiment is floatingly offset to the right; Figure 15 is a front view similar to Figure 10, in which the bus bar connector of the first embodiment is floatingly offset to the right; Figure 16 is a perspective view of a second embodiment of the electrical connection device of the present invention; and Figure 17 is an exploded perspective view of the second embodiment.

100: Electrical connection device

1:Bus bar group

11:First bus

111:First body

112:First transmission department

112a: first substrate

112b: First erection board

113:First installation department

12:Second bus bar

121:Second body

122: Second transmission department

122a: Second substrate

122b: Second erection board

123: Second installation department

13:Insulation layer

2: Connector

3:Bus bar connector

31: Insulating shell

311: Plug-in part

312:Wing

313:Sliding convex part

313a:Screw lock hole

314:Slot

314a: Leading corner

32:Power terminal

321:Contact Department

33: First adapter board

34: Second adapter board

35:Support block

4:Panel

41: Piercing

42: long hole

5: Cabinet bus bar

51:Plug-in board

52:Screw lock component

6: Floating module

D1: forward and backward direction

D2: left and right direction

D3: up and down direction

Claims (13)

An electrical connection device comprising: A bus bar group includes a first bus bar, a second bus bar, and an insulating layer; the first bus bar has a first body, a first transmission part disposed on one side of the first body, and A plurality of first mounting parts are provided on the other side of the first body. The first transmission part includes a first base plate and a first erection plate. The first base plate extends upward from the side of the first body, The first erection board extends from one side of the first base plate toward the other side of the first body; the second bus bar has a second body and a second transmission part disposed on one side of the second body. , and a plurality of second mounting parts provided on the other side of the second body. The second transmission part includes a second base plate and a second erection plate. The second base plate faces upward from the side of the second body. Extend, the second erection plate extends from one side of the second base plate toward the other side of the second body, the first body is located above the second body, and between the first body and the second body The insulating layer is disposed therebetween, and the first erection board and the second erection board are located above the first body; and A bus bar connector includes an insulating housing, a plurality of power terminals arranged in the insulating housing and divided into two groups, and respectively connected to the two groups of power terminals and adjacent to the first mounting plate and the second A first adapter plate and a second adapter plate of the erection board. There are at least two holes between the first erection board and the first adapter board and between the second erection board and the second adapter board. A floating module. The electrical connection device as claimed in claim 1, wherein the first mounting portions of the first bus bar and the second mounting portions of the second bus bar are arranged in a staggered manner. The electrical connection device as claimed in claim 1, wherein the floating module between the first erection board and the first adapter board includes a plug and a socket, and the plug is provided between the first erection board and the first adapter board. One of the first adapter boards, the socket is provided on the other one of the first erection board and the first adapter board. The electrical connection device as claimed in claim 1, wherein the floating module between the second erection board and the second adapter board includes a plug and a socket, and the plug is provided between the second erection board and the second adapter board. One of the second adapter boards, the socket is provided on the other one of the second erection board and the second adapter board. The electrical connection device as claimed in claim 3 or claim 4, wherein the socket includes a base, a barrel, a pressure element and a contact; the base has a channel extending between both ends. And an annular holding groove extending outward from the channel, the barrel has a barrel with an outer diameter smaller than the channel, and an annular flange extending outward from the outer wall of the barrel, the annular flange The rim is movably accommodated in the annular accommodation groove, and the pressure element is elastic and is provided between the annular flange of the barrel and the annular accommodation groove, so that the barrel can move in the channel. Floating internally, the contact piece is arranged in the barrel of the barrel; the plug has a plug, which is inserted into the socket and contacts the contact piece. The electrical connection device according to claim 1, wherein the insulating housing of the bus bar connector has two slots, the two sets of power terminals are respectively arranged in the two slots, and each of the power terminals has a direction facing A plurality of contact portions extend from the opening of the slot, and a connection portion is connected to the first adapter board or the second adapter board. The electrical connection device as claimed in claim 6, wherein the plurality of power terminals in each slot are arranged in multiple rows and columns. The electrical connection device according to claim 6, wherein the bus bar connector further includes a plurality of support blocks fixed on the insulating housing, and the support blocks are jointly connected from the first adapter plate and the second adapter Both sides of the board support the first adapter board and the second adapter board. The electrical connection device according to claim 1, further comprising a panel, the insulating housing is floatingly provided on the panel, and there are gaps between the panel and the first substrate and between the panel and the second substrate. , the gap accommodates a portion of the insulating housing, and the portion of the insulating housing is floatably limited to the gap. The electrical connection device as described in claim 6 further includes two cabinet bus bars, which are inserted into the two slots of the bus bar connector and are respectively connected to the two sets of power terminals. The contact portion is in contact and electrically connected, so that the bus bar connector and the bus bars of the two cabinets are pluggable and pluggable. The electrical connection device as described in claim 6 further includes two cabinet bus bars, each of the two cabinet bus bars is provided with a plug-in board, and the plug-in boards of the two cabinet bus bars are respectively inserted into the bus bar connectors. The two slots are respectively in contact with the contact portions of the two sets of power terminals and are electrically connected, so that the bus bar connector and the two cabinet bus bars can be pluggably connected. The electrical connection device as claimed in claim 10 or claim 11, wherein the two cabinet bus bars extend up and down, and the two slots of the bus bar connector are in the shape of grooves with upper and lower ends open, and the bus bar connector It can float up and down relative to the bus bars of the two cabinets and be plugged into the bus bars of the two cabinets. The electrical connection device according to claim 1, further comprising a plurality of connectors, the connectors are respectively installed on the first mounting parts of the first bus bar and the second mounting parts of the second bus bar. .