TWI866017B - Electrical connection device - Google Patents

Abstract

An electrical connection device includes a bus bar set and a cabinet bus bar set. The bus bar set includes a first bus bar and a second bus bar. The first bus bar is formed with a slot with upper and lower ends being open. The second bus bar is formed with a slot with upper and lower ends being open. The cabinet bus bar set includes a first cabinet bus bar, a second cabinet bus bar, a first plugboard, a second plugboard, a first floating module, a second floating module and a guide spacer. The first floating module is arranged between the first cabinet bus bar and the first plugboard, and the second floating module is arranged between the second cabinet bus bar and the second plugboard. The bus bar set can float in an up-down direction and in a left-right direction relative to the cabinet bus bar set.

Description

Electrical connection device

The present invention relates to an electrical connection device, in particular to an electrical connection device that can be plugged and unplugged in a floating manner.

Chinese invention patent publication number CN109426326A discloses a busbar set, including a first connection busbar and a second connection busbar. The first output portion of the first connection busbar includes a plurality of first holes, and the second output portion of the second connection busbar includes a plurality of second holes, and the first holes correspond to the second holes. The first holes and the second holes are configured so that the cabinet busbar of the server cabinet is fixed in a gap between the first output portion and the second output portion, wherein the first holes and the second holes can be, for example but not limited to, lock holes for locking. However, the way in which the cabinet bus of the server cabinet is fixed to the first output part and the second output part of the chassis is time-consuming and inconvenient in assembly and disassembly, thus affecting the convenience of subsequent maintenance.

Therefore, one of the purposes of the present invention is to provide an electrical connection device that can overcome at least one disadvantage of the prior art.

Therefore, the electrical connection device of the present invention includes a bus bar set and a cabinet bus bar set.

The bus bar assembly includes a first bus bar and a second bus bar. The first bus bar has a first body, a first transmission component disposed on one side of the first body, and a plurality of first mounting portions disposed on the other side of the first body. The first transmission component includes a first substrate and at least one first clamping plate connector. The first substrate extends upward from the side of the first body, the first clamping plate connector is fixed to the first substrate and includes an insulating shell, and a plurality of power terminals disposed on the insulating shell. The insulating shell is formed with a slot with upper and lower ends being open. The second bus bar has a second body located below the first body, a second transmission component disposed on one side of the second body, and a plurality of second mounting portions disposed on the other side of the second body. The second body and the first body are configured to be insulated and non-conductive. The second transmission component includes a second substrate and at least one second clamping plate connector. The second substrate extends upward from the side of the second body, and the second clamping plate connector is fixed to the second substrate and includes an insulating shell, and a plurality of power terminals disposed on the insulating shell. The insulating shell is formed with a slot with upper and lower ends being open. The cabinet bus bar assembly includes a first cabinet bus bar, a second cabinet bus bar, a first plug board, a second plug board, a first floating module, a second floating module, and a guide spacer. The first floating module is arranged between the first cabinet bus bar and the first plug board, and the second floating module is arranged between the second cabinet bus bar and the second plug board. The guide spacer is fixed between the first plug board and the second plug board, and the guide spacer is constructed to space the first plug board and the second plug board and guide the first plug board and the second plug board to be respectively plugged into the slot of the first clamping plate connector and the slot of the second clamping plate connector. The first plugboard and the second plugboard are plugged in through the slot of the first clamping plate connector and the slot of the second clamping plate connector, respectively, so that the bus bar set can float in a vertical direction relative to the cabinet bus bar set, and through the first floating module and the second floating module, the bus bar set can float in a left-right direction relative to the cabinet bus bar set.

In some embodiments, the first floating module and the second floating module each include a socket and a plug, the socket of the first floating module is disposed on one of the first cabinet bus bar and the first plugboard, the plug of the first floating module is disposed on the other of the first cabinet bus bar and the first plugboard, the socket of the second floating module is disposed on one of the second cabinet bus bar and the second plugboard, and the plug of the second floating module is disposed on the other of the second cabinet bus bar and the second plugboard.

In some embodiments, the socket includes a base and a contact, the base is formed with a channel extending between two ends, the contact is disposed in the channel, and the plug has a pin inserted into the socket and in contact with the contact.

In some embodiments, the socket includes a base, a barrel, a pressure element and a contact element, the base is formed with a channel extending between two ends, and an annular groove extending radially outward from the channel, the barrel has a barrel body with an outer diameter smaller than the channel, and an annular flange extending radially outward from the outer wall of the barrel, the annular flange is movably accommodated in the annular groove, the pressure element is elastic and is arranged between the annular flange of the barrel and the annular groove, so that the barrel can float in the channel, the contact element is arranged in the barrel of the barrel, and the plug has a plug inserted into the socket and contacts the contact element.

In some embodiments, a plurality of connectors are further included, and the connectors are respectively mounted on the first mounting portions of the first bus bar and the second mounting portions of the second bus bar.

In some embodiments, the first transmission component includes a plurality of first clamping plate connectors fixed to the first substrate and arranged along the up-down direction, and the second transmission component includes a plurality of second clamping plate connectors fixed to the second substrate and arranged along the up-down direction.

In some embodiments, the first transmission component and the second transmission component are arranged at intervals along the left-right direction, the insulating housing of the first clamping plate type connector has a first side portion, and the insulating housing of the second clamping plate type connector has a second side portion, the first side portion and the second side portion are opposite to each other and are spaced apart along the left-right direction, and the guide spacer has a first guide spacer spaced apart along the left-right direction. The first guide slope and a second guide slope, the first distance between the front end of the first guide slope and the front end of the second guide slope along the left-right direction is greater than the second distance between the rear end of the first guide slope and the rear end of the second guide slope along the left-right direction, the first guide slope is used to contact the first side portion and slide thereon, and the second guide slope is used to contact the second side portion and slide thereon.

In some embodiments, the first side portion and the second side portion are each an inclined surface, a first distance between the front end of the first side portion and the front end of the second side portion along the left-right direction is greater than a second distance between the rear end of the first side portion and the rear end of the second side portion along the left-right direction, a slot is formed between the first side portion and the second side portion, when the first plug-in board and the second plug-in board are respectively plugged into the slot of the first clamping plate connector and the slot of the second clamping plate connector, the guide spacer is locked in the slot, and the first guide inclined surface and the second guide inclined surface are in contact with the first side portion and the second side portion, respectively.

In some embodiments, the cabinet busbar assembly further includes a first joint assembly and a second joint assembly, wherein the first joint assembly fixedly joins the first plug board and the guide spacer together, and the second joint assembly fixedly joins the second plug board and the guide spacer together.

In some embodiments, the first joint assembly includes a plurality of first nuts and first bolts extending through the first plug plate and the guide spacer and respectively screwed to the first nuts, and the second joint assembly includes a plurality of second nuts and second bolts extending through the second plug plate and the guide spacer and respectively screwed to the second nuts.

Therefore, the electrical connection device of the present invention includes a bus bar set and a cabinet bus bar set.

The bus bar assembly includes a first bus bar and a second bus bar. The first bus bar has a first clamping plate connector, and the first clamping plate connector is formed with a slot with upper and lower ends being open. The second bus bar has a second clamping plate connector, and the second clamping plate connector is formed with a slot with upper and lower ends being open. The cabinet bus bar assembly includes a first cabinet bus bar, a second cabinet bus bar, a first plugboard arranged on the first cabinet bus bar, and a second plugboard arranged on the second cabinet bus bar. The first plug board and the second plug board are respectively plugged into the slot of the first clamping plate connector and the slot of the second clamping plate connector, so that the bus bar set can float in an up-and-down direction relative to the cabinet bus bar set.

Therefore, the electrical connection device of the present invention includes a bus bar set and a cabinet bus bar set.

The bus bar set includes a first bus bar and a second bus bar. The first bus bar has a first clamping plate connector, and the second bus bar has a second clamping plate connector. The cabinet bus bar set includes a first cabinet bus bar, a second cabinet bus bar, a first plugboard, a second plugboard, a first floating module, and a second floating module. The first plugboard is plugged into the first clamping plate connector, and the second plugboard is plugged into the second clamping plate connector. The first floating module is disposed between the first cabinet bus bar and the first plug board, and the second floating module is disposed between the second cabinet bus bar and the second plug board, so that the bus bar group can float in a left-right direction relative to the cabinet bus bar group.

The present invention has at least the following effects: the first plug-in board and the second plug-in board of the cabinet bus bar set are pluggably plugged into the slots and the slots of the bus bar set respectively, so that the cabinet bus bar set can be quickly and conveniently assembled on the bus bar set and disassembled from the bus bar set for maintenance. The bus bar set can float in the up-down direction relative to the cabinet bus bar set, and the bus bar set can float in the left-right direction relative to the first cabinet bus bar and the second cabinet bus bar through the first plug board and the second plug board, so that the bus bar set and the cabinet bus bar set can be connected more smoothly, and the bus bar set and the cabinet bus bar set can be stably maintained in an electrically connected state after being connected. In this way, the stability and reliability of the bus bar set and the cabinet bus bar set after being connected can be improved. By designing the guide spacer, the position deviation of the first plug board and the second plug board in the left and right direction during the plug-in process can be overcome, thereby improving the operational convenience of the cabinet bus bar assembly docking with the bus bar assembly.

100:Electrical connection device

1: Busbar assembly

11: First busbar

110: The first entity

111: First transmission component

112: First installation part

113: First substrate

114: First clamp connector

115: Insulation shell

116: Power terminal

117: Slot

118: First side

12: Second busbar

120: Second body

121: Second transmission component

122: Second installation part

123: Second substrate

124: Second clamp connector

125: Insulation shell

126: Power terminal

127: Slot

128: Second side

129: Card slot

13: Insulating layer

2: Connector

3: Cabinet busbar assembly

31: First cabinet busbar

32: Second cabinet busbar

33: First plug board

34: Second plug board

35: First floating module

351: Socket

352: Plug

353: Seat

354: Barrel-shaped parts

355: Pressure element

356: Contacts

357:Fixed ring

358: Channel

359: Ring-shaped mounting groove

360: Barrel

361: Annular flange

362: Ring-shaped head

363: Elastic contact piece

364: Clamping part

365: Leaning against the part

366: Insert the column

36: Second floating module

37: Guide spacer

371:Joint block

372:Guide block

373: First guide slope

374: Second guide slope

38: First bonding component

381: First nut

382: First bolt

39: Second bonding component

391: Second nut

392: Second bolt

S1: First spacing

S2: Second spacing

d1: first distance

d2: second distance

D1: front and back direction

D2: Left and right direction

D3: Up and down direction

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, wherein: FIG. 1 is a three-dimensional diagram of an embodiment of the electrical connection device of the present invention; FIG. 2 is a three-dimensional exploded diagram of the embodiment, illustrating the assembly relationship between a bus bar set, a plurality of connectors, and a cabinet bus bar set; FIG. 3 is a top exploded diagram of the embodiment; FIG. 4 is a three-dimensional exploded diagram of the bus bar set of the embodiment, illustrating a first bus bar, a second bus bar, and a plurality of connectors; FIG. FIG5 is a three-dimensional exploded view of the cabinet bus bar assembly of the embodiment, illustrating the assembly relationship between a first cabinet bus bar, a second cabinet bus bar, a first plug board, a second plug board, a plurality of first floating modules, a plurality of second floating modules, a guide spacer, a first joint assembly, and a second joint assembly; FIG6 is a three-dimensional exploded view of the cabinet bus bar assembly of the embodiment viewed from another viewing angle; FIG. 7 is a cross-sectional view of the first floating module or the second floating module of the embodiment; FIG. 8 is a three-dimensional exploded view of a socket of the first floating module or the second floating module of the embodiment; FIG. 9 is a top view of the assembly of the embodiment, illustrating that the cabinet bus bar group has a position deviation to the left, so that a first guide slope of the guide spacer touches a corresponding first side; FIG. 10 is a top view of the assembly of the embodiment, illustrating that the cabinet bus bar group has a position deviation to the right Position deviation, so that a second guide slope of the guide spacer touches a corresponding second side portion; Figure 11 is a top view of the embodiment; Figure 12 is a top view of the embodiment, illustrating that the first plug board and the second plug board float to the left relative to the first cabinet bus bar and the second cabinet bus bar; and Figure 13 is a top view of the embodiment, illustrating that the first plug board and the second plug board float to the right relative to the first cabinet bus bar and the second cabinet bus bar.

Before the present invention is described in detail, it should be noted that similar components are represented by the same numbers in the following description.

Referring to FIG. 1 , an embodiment of the electrical connection device 100 of the present invention includes a bus bar set 1, a plurality of connectors 2, and a cabinet bus bar set 3. The bus bar set 1 and the connectors 2 are disposed in a server chassis (not shown). The cabinet bus bar set 3 is disposed in a server cabinet (not shown).

For the convenience of subsequent explanation, the electrical connection device 100 is defined as a front-to-back direction D1, a left-to-right direction D2 perpendicular to the front-to-back direction D1, and an up-down direction D3 perpendicular to the front-to-back direction D1 and the left-to-right direction D2. In FIG1 , the front-to-back direction D1 is the direction indicated by the arrow as the front, and the opposite direction is the rear. The left-to-right direction D2 is the direction indicated by the arrow as the left, and the opposite direction is the right. The up-down direction D3 is the direction indicated by the arrow as the top, and the opposite direction is the bottom.

Referring to Figures 2, 3 and 4, the bus bar set 1 includes a first bus bar 11 and a second bus bar 12. The first bus bar 11 has a first body 110, a first transmission component 111 disposed on one side of the first body 110, and a plurality of first mounting portions 112 disposed on the other side of the first body 110. The first body 110 is in the shape of a long flat plate and its length extends along the left-right direction D2. The first transmission component 111 and the first mounting portions 112 are disposed on the front side of the first body 110 and the rear side of the first body 110, respectively.

The first transmission component 111 includes a first substrate 113 and a plurality of first clamping plate type connectors 114. The first substrate 113 integrally extends upward from the front side of the first body 110. The first substrate 113 is in the shape of a long vertical plate and its length extends along the up-down direction D3. The first clamping plate type connectors 114 are fixedly mounted on the front panel of the first substrate 113 and are arranged along the up-down direction D3. The number of the first clamping plate type connectors 114 is two as an example but is not limited thereto. Each of the first clamping plate type connectors 114 includes an insulating shell 115 and a plurality of power terminals 116 disposed on the insulating shell 115. The insulating shell 115 is fixed to the front panel of the first substrate 113, for example, by screw locking. The insulating housing 115 is formed with a slot 117 extending along the up-down direction D3, and the slot 117 penetrates the insulating housing 115 and is open at the upper and lower ends. The insulating housing 115 has two first side portions 118 spaced apart along the left-right direction D2. In this embodiment, each of the first side portions 118 is an inclined surface. Of course, each of the first side portions 118 can also be other shapes not limited to inclined surfaces. The first side portions 118 extend from the back to the front and inwardly inclined, so that the distance between the front ends of the first side portions 118 is less than the distance between the rear ends of the first side portions 118. Each of the power terminals 116 partially extends into the slot 117.

The first mounting portions 112 integrally extend upward from the rear side of the first body 110 and are arranged at intervals along the left-right direction D2. Each of the first mounting portions 112 is in the shape of a long vertical plate and its length extends along the up-down direction D3.

The first body 110, the first substrate 113 and the first mounting parts 112 of the first bus bar 11 are made of copper material that can flow large current and has good heat dissipation. The first body 110, the first substrate 113 and the first mounting parts 112 are formed by stamping and bending.

The second busbar 12 has a second body 120, a second transmission component 121 disposed on one side of the second body 120, and a plurality of second mounting portions 122 disposed on the other side of the second body 120. The second body 120 is in the shape of a long flat plate and its length extends along the left-right direction D2. The second body 120 is located below the first body 110, and the second body 120 and the first body 110 are insulated and non-conductive. The second transmission component 121 and the second mounting portions 122 are disposed on the front side of the second body 120 and the rear side of the second body 120, respectively.

The first transmission component 111 and the second transmission component 121 are arranged at intervals along the left-right direction D2. The second transmission component 121 includes a second substrate 123 and a plurality of second clamping plate type connectors 124. The second substrate 123 integrally extends upward from the front side of the second body 120. The second substrate 123 is in the shape of a long vertical plate and its length extends along the up-down direction D3. The second clamping plate type connectors 124 are fixedly mounted on the front panel of the second substrate 123 and arranged along the up-down direction D3. The number of the second clamping plate type connectors 124 is two for example but is not limited thereto. Each of the second clamping plate type connectors 124 includes an insulating shell 125 and a plurality of power terminals 126 disposed on the insulating shell 125. The insulating shell 125 is fixed to the front surface of the second substrate 123 by screw locking, for example. The insulating shell 125 is formed with a slot 127 extending along the up-down direction D3, and the slot 127 penetrates the insulating shell 125 and is open at the upper and lower ends. The insulating shell 125 has two second side portions 128 spaced apart along the left-right direction D2. In this embodiment, each of the second side portions 128 is an inclined surface. Of course, each of the second side portions 128 can also be other shapes and is not limited to an inclined surface. The second side portions 128 extend from the back to the front and inwardly inclining, so that the distance between the front ends of the second side portions 128 is smaller than the distance between the rear ends of the second side portions 128. Each of the power terminals 126 partially extends into the slot 127.

The first side portion 118 on the right side of each first clamping plate connector 114 faces the second side portion 128 on the left side of the corresponding second clamping plate connector 124 and is spaced apart along the left-right direction D2. A first distance S1 between the front end of the first side portion 118 on the right side and the front end of the second side portion 128 on the left side along the left-right direction D2 is greater than a second distance S2 between the rear end of the first side portion 118 on the right side and the rear end of the second side portion 128 on the left side along the left-right direction D2. A slot 129 is formed between the first side portion 118 on the right side of each first clamping plate connector 114 and the second side portion 128 on the left side of the corresponding second clamping plate connector 124.

The second mounting portions 122 integrally extend upward from the rear side of the second body 120 and are arranged at intervals along the left-right direction D2. Each second mounting portion 122 is in the shape of a long vertical plate and its length extends along the up-down direction D3. The second mounting portions 122 and the first mounting portions 112 are arranged alternately along the left-right direction D2.

The second body 120, the second substrate 123 and the second mounting parts 122 of the second bus bar 12 are made of copper material that can flow large current and has good heat dissipation. The second body 120, the second substrate 123 and the second mounting parts 122 are formed by stamping and bending.

In order to make the second body 120 and the first body 110 insulated and non-conductive, the busbar assembly 1 of the present embodiment further includes an insulating layer 13 disposed between the first body 110 and the second body 120, for separating the first body 110 from the second body 120 to prevent the two from contacting each other and conducting. In the present embodiment, the insulating layer 13 is an insulating sheet, for example, and the insulating layer 13 is fixed between the first body 110 and the second body 120 by insulating glue. Of course, the insulating layer 13 can also be screwed to the first body 110 and the second body 120, not limited to the insulating glue bonding method. The insulating layer 13 can also be composed of an insulating coating or insulating glue coated between the first body 110 and the second body 120, not limited to an insulating sheet. In other words, the insulating layer 13 can be a sheet-like structural layer composed of an insulating sheet, or a coating layer composed of an insulating coating or insulating glue.

The connectors 2 are mounted on the first mounting portions 112 of the first bus bar 11 and the second mounting portions 122 of the second bus bar 12, respectively. The corresponding connector 2 mounted on each of the first mounting portions 112 is fixed to the rear panel of the first mounting portion 112, for example, by screw locking. The corresponding connector 2 mounted on each of the second mounting portions 122 is fixed to the rear panel of the second mounting portion 122, for example, by screw locking. The connectors 2 are used to electrically connect to multiple power supply units (PSUs) (not shown) and multiple battery backup units (BBUs) (not shown) in the server chassis. In this embodiment, the first bus bar 11 is connected to the positive electrode of each power supply unit or each battery backup power unit through the corresponding connectors 2, and the second bus bar 12 is connected to the negative electrode of each power supply unit or each battery backup power unit through the corresponding connectors 2.

Referring to FIG. 2, FIG. 3, FIG. 5 and FIG. 6, the cabinet bus bar assembly 3 includes a first cabinet bus bar 31, a second cabinet bus bar 32, a first plug board 33, a second plug board 34, a plurality of first floating modules 35, a plurality of second floating modules 36, a guide spacer 37, a first joint assembly 38, and a second joint assembly 39. The first cabinet bus bar 31 and the second cabinet bus bar 32 are made of copper material that can flow large current and has good heat dissipation and are spaced along the left-right direction D2. The first cabinet bus bar 31 and the second cabinet bus bar 32 are each in a long strip shape and their length extends along the up-down direction D3. The first plug board 33 and the second plug board 34 are made of copper material that can flow large current and has good heat dissipation, and are respectively arranged on the first cabinet bus bar 31 and the second cabinet bus bar 32 and are spaced along the left-right direction D2. The first plug board 33 and the second plug board 34 are each vertical. The first plug board 33 partially protrudes from the rear end of the first cabinet bus bar 31, and is used to be plugged into the slots 117 of the first clamping plate connectors 114 to contact the power terminals 116 and be electrically connected thereto. The second plug board 34 partially protrudes from the rear end of the second cabinet bus bar 32, and is used to be plugged into the slots 127 of the second clamping plate connectors 124 to contact the power terminals 126 and be electrically connected thereto. In this way, the first plug-in board 33 and the second plug-in board 34 of the cabinet bus bar set 3 can be plugged into the slots 117 and the slots 127 of the bus bar set 1 respectively.

The first floating modules 35 are disposed between the first cabinet bus bar 31 and the first plug board 33, and the second floating modules 36 are disposed between the second cabinet bus bar 32 and the second plug board 34. That is to say, in this embodiment, the first plug board 33 is disposed on the first cabinet bus bar 31 through the first floating modules 35, and the second plug board 34 is disposed on the second cabinet bus bar 32 through the second floating modules 36. Each of the first floating modules 35 and each of the second floating modules 36 includes a socket 351 and a plug 352. The socket 351 and the plug 352 are made of copper material that can flow large current and has good heat dissipation. The socket 351 of each first floating module 35 is disposed on one of the first cabinet bus bar 31 and the first plug board 33, and the plug 352 of each first floating module 35 is disposed on the other of the first cabinet bus bar 31 and the first plug board 33. The socket 351 of each second floating module 36 is disposed on one of the second cabinet bus bar 32 and the second plug board 34, and the plug 352 of each second floating module 36 is disposed on the other of the second cabinet bus bar 32 and the second plug board 34. In this embodiment, the socket 351 and the plug 352 of each first floating module 35 are disposed on the first plug board 33 and the first cabinet bus bar 31, respectively, but are not limited thereto. The socket 351 and the plug 352 of each second floating module 36 are respectively arranged on the second plug board 34 and the second cabinet bus bar 32 for example, but the present invention is not limited thereto.

Referring to FIGS. 3, 5, 7 and 8, the socket 351 includes a base 353, a barrel-shaped member 354, two pressure-applying elements 355, a contact member 356, and a fixing ring 357. The base 353 is formed with a passage 358 extending along the left-right direction D2 between the two ends, and an annular receiving groove 359 extending radially outward from the passage 358. The barrel-shaped member 354 has a barrel body 360 having an outer diameter smaller than that of the passage 358, and an annular flange 361 extending radially outward from the outer wall surface of the barrel body 360. The annular flange 361 is movably accommodated in the annular receiving groove 359. The pressure-applying elements 355 are elastic and are disposed between the annular flange 361 of the barrel-shaped member 354 and the annular receiving groove 359, so that the barrel-shaped member 354 can float in the channel 358. In this embodiment, each of the pressure-applying elements 355 is a wave spring ring, and the pressure-applying elements 355 are respectively disposed on the two end surfaces of the annular flange 361 in the left-right direction D2, so that the barrel-shaped member 354 can float radially in the channel 358 on a two-dimensional plane formed by the front-rear direction D1 and the up-down direction D3, and float along the left-right direction D2. In other embodiments of this embodiment, each of the pressure-applying elements 355 can be other existing elastic elements that can be used to apply pressure, and the number of the pressure-applying elements 355 can be one, three, or more than three.

The contact member 356 is disposed in the barrel body 360 of the barrel-shaped member 354. The contact member 356 has an annular head 362 disposed on the inner wall surface of the barrel body 360 near one end edge of the barrel body 360, and a plurality of elastic contact pieces 363 extending obliquely inward from the annular head 362 toward the other end edge of the barrel body 360. The fixing ring 357 and the barrel body 360 of the barrel-shaped member 354 jointly clamp the annular head 362 of the contact member 356 to fix the contact member 356 in the barrel-shaped member 354. The fixing ring 357 has a clamping portion 364 which is annular and clamps the annular head portion 362 together with the inner wall surface of the barrel body 360, and a supporting portion 365 which extends radially outward from the end edge of the clamping portion 364 and abuts against the end edge of the barrel body 360.

The plug 352 has a pin 366, which is used to be inserted into the barrel 354 of the socket 351 along the left-right direction D2 to contact the elastic contact pieces 363 of the contact piece 356. Since the pin 366 of the plug 352 is inserted into the socket 351 along the left-right direction D2 and contacts the contact piece 356, the pin 366 of the plug 352 can also float in the left-right direction D2 relative to the contact piece 356 of the socket 351.

By disposing the first floating modules 35 between the first cabinet bus bar 31 and the first plug board 33, the first cabinet bus bar 31 and the first plug board 33 can be connected in a floating manner along the left-right direction D2. By disposing the second floating modules 36 between the second cabinet bus bar 32 and the second plug board 34, the second cabinet bus bar 32 and the second plug board 34 can be connected in a floating manner along the left-right direction D2. Thus, the first cabinet bus bar 31 and the second cabinet bus bar 32 can float relative to the first plug board 33 and the second plug board 34 along the left-right direction D2, respectively.

Referring to FIG. 3 , FIG. 5 and FIG. 6 , the guide spacer 37 is fixedly disposed between the first plug board 33 and the second plug board 34 , and is configured to space the first plug board 33 and the second plug board 34 and guide the first plug board 33 and the second plug board 34 to be respectively plugged into the slots 117 of the first clamping plate type connectors 114 and the slots 127 of the second clamping plate type connectors 124 . The guide spacer 37 is block-shaped and has a joint block 371 and a guide block 372 protruding backward from the joint block 371 . The joint block 371 is clamped by the first plug board 33 and the second plug board 34 to be fixedly connected to the first plug board 33 and the second plug board 34 . The joint block 371 of the present embodiment is fixedly joined to the first plug plate 33 through the first joint assembly 38, and is fixedly joined to the second plug plate 34 through the second joint assembly 39. The first joint assembly 38 includes a plurality of first nuts 381 and a plurality of first bolts 382. The first bolts 382 extend through the joint block 371 of the first plug plate 33 and the guide spacer 37 and are respectively screwed to the first nuts 381, thereby locking the first plug plate 33 and the joint block 371 of the guide spacer 37 together. The second joint assembly 39 includes a plurality of second nuts 391 and a plurality of second bolts 392. The second nuts 391 extend through the second plug plate 34 and the joint block 371 of the guide spacer 37 and are respectively screwed to the second nuts 391, thereby locking the second plug plate 34 and the joint block 371 of the guide spacer 37 together. Of course, the first joint assembly 38 and the second joint assembly 39 of this embodiment can also be other joint structures such as rivets or adhesives, and are not limited to the structure of nuts and screws matching.

The guide block 372 has a first guide slope 373 and a second guide slope 374 spaced apart along the left-right direction D2. The first guide slope 373 and the second guide slope 374 extend from front to back and inwardly inclined, so that a first distance d1 between the front end of the first guide slope 373 and the front end of the second guide slope 374 along the left-right direction D2 is greater than a second distance d2 between the rear end of the first guide slope 373 and the rear end of the second guide slope 374 along the left-right direction D2. The first guide slope 373 is used to contact the corresponding first side portion 118 and can slide thereon. The second guide slope 374 is used to contact the corresponding second side portion 128 and can slide thereon.

Referring to FIG. 3 , when the first plug-in board 33 and the second plug-in board 34 of the cabinet bus bar set 3 are to be respectively plugged into the slots 117 and the slots 127 of the bus bar set 1 , the cabinet bus bar set 3 is moved backward toward the bus bar set 1 .

Referring to FIGS. 9 and 11 , when the first plugboard 33 and the second plugboard 34 of the cabinet busbar assembly 3 have a position deviation to the left in the left-right direction D2 and are not aligned with the slots 117 and the slots 127, the first guide slope 373 of the guide spacer 37 will first contact the corresponding first side portion 118 and slide thereon. During the backward sliding process of the guide spacer 37, the first plugboard 33 and the second plugboard 34 will be simultaneously driven to move rightward along the left-right direction D2 to correct the positions of the first plugboard 33 and the second plugboard 34, so that the first plugboard 33 and the second plugboard 34 can be aligned with the slots 117 and the slots 127, respectively. In this way, the position deviation of the first plug board 33 and the second plug board 34 to the left in the left-right direction D2 can be overcome, so that the first plug board 33 and the second plug board 34 can be smoothly plugged into the slots 117 and the slots 127, respectively, and can be electrically connected to the power terminals 116 (as shown in FIG. 2) and the power terminals 126 (as shown in FIG. 2).

Referring to FIGS. 10 and 11 , when the first plugboard 33 and the second plugboard 34 of the cabinet busbar assembly 3 have a position deviation to the right in the left-right direction D2 and are not aligned with the slots 117 and the slots 127, the second guide slope 374 of the guide spacer 37 will first contact the corresponding second side portion 128 and slide thereon. During the backward sliding process of the guide spacer 37, the first plugboard 33 and the second plugboard 34 will be simultaneously driven to move leftward along the left-right direction D2 to correct the positions of the first plugboard 33 and the second plugboard 34, so that the first plugboard 33 and the second plugboard 34 can be aligned with the slots 117 and the slots 127, respectively. In this way, the position deviation of the first plug board 33 and the second plug board 34 to the right in the left-right direction D2 can be overcome, so that the first plug board 33 and the second plug board 34 can be smoothly plugged into the slots 117 and the slots 127, respectively, and can be electrically connected to the power terminals 116 (as shown in FIG. 2) and the power terminals 126 (as shown in FIG. 2).

Referring to FIG. 9, FIG. 10 and FIG. 11, by designing the first side portion 118 and the second side portion 128 as inclined surfaces, the first guide inclined surface 373 and the second guide inclined surface 374 can be improved to slide smoothly on the first side portion 118 and the second side portion 128. In addition, when the first plug board 33 and the second plug board 34 are respectively inserted into the slots 117 and the slots 127, the guide block 372 of the guide spacer 37 is locked in the slot 129, and the first guide inclined surface 373 and the second guide inclined surface 374 are in contact with the first side portion 118 and the second side portion 128, respectively. Thus, the guide block 372 of the guide spacer 37 can be stably clamped by the first clamping plate connector 114 and the second clamping plate connector 124 and positioned in the card slot 129, so that the first plug board 33 and the second plug board 34 can be stably plugged into the slots 117 and the slots 127 respectively without shaking along the left-right direction D2, so as to improve the stability of the electrical connection.

Referring to Figures 3 and 11, when the cabinet bus bar set 3 is to be disassembled from the bus bar set 1, the cabinet bus bar set 3 is directly pulled forward to be away from the bus bar set 1. When the first plug board 33 and the second plug board 34 are respectively moved away from the slots 117 and the slots 127, the disassembly of the cabinet bus bar set 3 is completed.

Referring to Figures 1, 2 and 11, since the upper and lower ends of each of the slots 117 and 127 are open, the first plug board 33 and the second plug board 34 can be respectively plugged into the slots 117 and the slots 127 in a floating manner along the vertical direction D3. In addition, when the first plug board 33 and the second plug board 34 are respectively plugged into the slots 117 and the slots 127, the bus bar set 1 can float relative to the cabinet bus bar set 3 along the vertical direction D3.

Referring to FIG. 11, FIG. 12 and FIG. 13, since the first cabinet bus bar 31 and the second cabinet bus bar 32 can float along the left-right direction D2 relative to the first plug board 33 and the second plug board 34, respectively, when the first plug board 33 and the second plug board 34 are respectively plugged into the slots 117 and the slots 127, the bus bar set 1 can float along the left-right direction D2 relative to the first cabinet bus bar 31 and the second cabinet bus bar 32 through the first plug board 33 and the second plug board 34. FIG. 12 shows that the bus bar set 1 floats to the left along the left-right direction D2 relative to the first cabinet bus bar 31 and the second cabinet bus bar 32 through the first plug board 33 and the second plug board 34. FIG. 13 shows that the bus bar set 1 floats to the right along the left-right direction D2 relative to the first cabinet bus bar 31 and the second cabinet bus bar 32 through the first plug board 33 and the second plug board 34.

The first plug-in board 33 and the second plug-in board 34 of the cabinet bus bar set 3 are pluggable and respectively plugged into the slots 117 and the slots 127 of the bus bar set 1, so that the cabinet bus bar set 3 can be quickly and conveniently assembled on the bus bar set 1, and disassembled from the bus bar set 1 for maintenance. The first clamping plate connectors 114 and the second clamping plate connectors 124 of the bus bar set 1 can be plugged into the first plug-in board 33 and the second plug-in board 34, respectively, so that the bus bar set 1 and the cabinet bus bar set 3 do not need to be connected through other components, thereby reducing the number of components and manufacturing costs of the electrical connection device 100.

The bus bar group 1 can float relative to the cabinet bus bar group 3 along the vertical direction D3, and the bus bar group 1 can float relative to the first cabinet bus bar 31 and the second cabinet bus bar 32 along the horizontal direction D2 through the first plug board 33 and the second plug board 34, so that the bus bar group 1 and the cabinet bus bar group 3 can be connected more smoothly, and the bus bar group 1 and the cabinet bus bar group 3 can be stably maintained in an electrically connected state after being connected. In this way, the stability and reliability of the bus bar group 1 and the cabinet bus bar group 3 after being connected can be improved.

By designing the guide spacer 37, the position deviation of the first plug board 33 and the second plug board 34 in the left-right direction D2 during the plug-in process can be overcome, thereby improving the operational convenience of the cabinet bus bar set 3 docking with the bus bar set 1.

It should be noted that the electrical connection device 100 of this embodiment may also have the following implementation forms depending on the needs:

In one implementation, the number of the first clamping plate connector 114 and the number of the second clamping plate connector 124 are each one.

Another implementation: the number of the first floating module 35 and the number of the second floating module 36 are each one.

Another implementation: The cabinet bus bar set 3 only achieves the effect of the bus bar set 1 floating along the up-down direction D3 relative to the cabinet bus bar set 3 by matching the first plug board 33 and the second plug board 34 with the slot 117 of the first clamping plate connector 114 and the slot 127 of the second clamping plate connector 124 of the bus bar set 1.

Another implementation: The cabinet bus bar set 3 only achieves the effect of the bus bar set 1 being able to float relative to the cabinet bus bar set 3 along the left-right direction D2 through the arrangement of the first floating module 35 and the second floating module 36.

In summary, the electrical connection device 100 of the present embodiment can be quickly and conveniently assembled on the bus bar set 1 and disassembled from the bus bar set 1 by plugging the first plug board 33 and the second plug board 34 of the cabinet bus bar set 3 into the slots 117 and the slots 127 of the bus bar set 1 respectively. The bus bar set 1 can float relative to the cabinet bus bar set 3 along the vertical direction D3, and the bus bar set 1 can float relative to the first cabinet bus bar 31 and the second cabinet bus bar 32 along the horizontal direction D2 through the first plug board 33 and the second plug board 34, so that the bus bar set 1 and the cabinet bus bar set 3 can be connected more smoothly, and the bus bar set 1 and the cabinet bus bar set 3 can be stably maintained in an electrically connected state after being connected. In this way, the stability and reliability of the bus bar set 1 and the cabinet bus bar set 3 after being connected can be improved. By designing the guide spacer 37, the position deviation of the first plug board 33 and the second plug board 34 in the left-right direction D2 during the plug-in process can be overcome, thereby improving the operational convenience of the cabinet bus bar set 3 docking with the bus bar set 1, and thus the purpose of the present invention can be achieved.

However, the above is only an example of the implementation of the present invention, and it cannot be used to limit the scope of the implementation of the present invention. All simple equivalent changes and modifications made according to the scope of the patent application of the present invention and the content of the patent specification are still within the scope of the patent of the present invention.

100:Electrical connection device

1: Busbar assembly

11: First busbar

110: The first entity

111: First transmission component

112: First installation part

113: First substrate

114: First clamp connector

116: Power terminal

117: Slot

118: First side

12: Second busbar

120: Second body

121: Second transmission component

122: Second installation part

123: Second substrate

124: Second clamp connector

126: Power terminal

127: Slot

128: Second side

129: Card slot

2: Connector

3: Cabinet busbar assembly

31: First cabinet busbar

32: Second cabinet busbar

34: Second plug board

351: Socket

352: Plug

36: Second floating module

39: Second bonding component

392: Second bolt

D1: front and back direction

D2: Left and right direction

D3: Up and down direction

Claims (12)

An electrical connection device comprises: a busbar assembly, comprising: a first busbar having a first body, a first transmission component disposed on one side of the first body, and a plurality of first mounting portions disposed on the other side of the first body, the first transmission component comprising a first substrate and at least one first clamping plate type connector, the first substrate extending upward from the side of the first body, the first clamping plate type connector being fixed to the first substrate and comprising an insulating shell, and a plurality of power terminals disposed on the insulating shell, the insulating shell being formed with upper and lower ends being open The first body is provided with a slot in the shape of a first body; and a second bus bar, having a second body located below the first body, a second transmission component disposed on one side of the second body, and a plurality of second mounting portions disposed on the other side of the second body, the second body and the first body are structured to be insulated and non-conductive, the second transmission component comprises a second substrate and at least one second clamping plate type connector, the second substrate extends upward from the side of the second body, the second clamping plate type connector is fixedly disposed on the second substrate and comprises an insulating shell, and a plurality of second mounting portions disposed on the insulating shell. The invention relates to a power supply terminal, wherein the insulating housing is formed with a slot with upper and lower ends being open; and a cabinet bus bar assembly, comprising a first cabinet bus bar, a second cabinet bus bar, a first plug board, a second plug board, a first floating module, a second floating module, and a guide spacer, wherein the first floating module is arranged between the first cabinet bus bar and the first plug board, the second floating module is arranged between the second cabinet bus bar and the second plug board, the guide spacer is fixedly arranged between the first plug board and the second plug board, and the guide spacer is constructed The first plug-in board and the second plug-in board are spaced apart and guided to be plugged into the slot of the first clamping plate connector and the slot of the second clamping plate connector respectively, and the first plug-in board and the second plug-in board are plugged into the slot of the first clamping plate connector and the slot of the second clamping plate connector respectively, so that the bus bar group can float in a vertical direction relative to the cabinet bus bar group, and through the first floating module and the second floating module, the bus bar group can float in a left-right direction relative to the cabinet bus bar group. The electrical connection device as described in claim 1, wherein the first floating module and the second floating module each include a socket and a plug, the socket of the first floating module is arranged on one of the first cabinet bus bar and the first plugboard, the plug of the first floating module is arranged on the other of the first cabinet bus bar and the first plugboard, the socket of the second floating module is arranged on one of the second cabinet bus bar and the second plugboard, and the plug of the second floating module is arranged on the other of the second cabinet bus bar and the second plugboard. An electrical connection device as described in claim 2, wherein the socket includes a base and a contact, the base is formed with a channel extending between two ends, the contact is disposed in the channel, and the plug has a pin inserted into the socket and in contact with the contact. An electrical connection device as described in claim 2, wherein the socket includes a base, a barrel, a pressure element and a contact element, the base is formed with a channel extending between two ends, and an annular receiving groove extending radially outward from the channel, the barrel has a barrel body with an outer diameter smaller than the channel, and an annular flange extending radially outward from the outer wall surface of the barrel, the annular flange is movably accommodated in the annular receiving groove, the pressure element is elastic and is arranged between the annular flange of the barrel and the annular receiving groove, so that the barrel can float in the channel, the contact element is arranged in the barrel of the barrel, and the plug has a plug inserted into the socket and in contact with the contact element. The electrical connection device as described in claim 1 further comprises a plurality of connectors, which are respectively mounted on the first mounting portions of the first bus bar and the second mounting portions of the second bus bar. The electrical connection device as described in claim 1, wherein the first transmission component includes a plurality of first clamping plate connectors fixedly mounted on the first substrate and arranged along the vertical direction, and the second transmission component includes a plurality of second clamping plate connectors fixedly mounted on the second substrate and arranged along the vertical direction. The electrical connection device as described in claim 1, wherein the first transmission component and the second transmission component are arranged at intervals along the left-right direction, the insulating shell of the first clamping plate connector has a first side portion, the insulating shell of the second clamping plate connector has a second side portion, the first side portion and the second side portion are opposite to each other and are spaced apart along the left-right direction, and the guide spacer has a spaced apart side portion along the left-right direction. A first guide slope and a second guide slope, a first distance between the front end of the first guide slope and the front end of the second guide slope along the left-right direction is greater than a second distance between the rear end of the first guide slope and the rear end of the second guide slope along the left-right direction, the first guide slope is used to contact the first side portion and slide thereon, and the second guide slope is used to contact the second side portion and slide thereon. The electrical connection device as described in claim 7, wherein the first side portion and the second side portion are each an inclined surface, a first distance between the front end of the first side portion and the front end of the second side portion along the left-right direction is greater than a second distance between the rear end of the first side portion and the rear end of the second side portion along the left-right direction, a slot is formed between the first side portion and the second side portion, when the first plug-in board and the second plug-in board are respectively plugged into the slot of the first clamping plate connector and the slot of the second clamping plate connector, the guide spacer is locked in the slot, and the first guide inclined surface and the second guide inclined surface are in contact with the first side portion and the second side portion, respectively. The electrical connection device as described in claim 1, wherein the cabinet busbar assembly further includes a first joint assembly and a second joint assembly, wherein the first joint assembly fixedly joins the first plug board and the guide spacer together, and the second joint assembly fixedly joins the second plug board and the guide spacer together. The electrical connection device as described in claim 9, wherein the first joint assembly includes a plurality of first nuts and first bolts extending through the first plug plate and the guide spacer and respectively screwed to the first nuts, and the second joint assembly includes a plurality of second nuts and second bolts extending through the second plug plate and the guide spacer and respectively screwed to the second nuts. An electrical connection device, comprising: a bus bar set, including a first bus bar and a second bus bar, the first bus bar having a first clamping plate connector, the first clamping plate connector forming a slot with upper and lower ends being open, the second bus bar having a second clamping plate connector, the second clamping plate connector forming a slot with upper and lower ends being open; and a cabinet bus bar set, including a first cabinet bus bar, a second cabinet bus bar, a first plug board disposed on the first cabinet bus bar, and a second plug board disposed on the second cabinet bus bar. A second plug-in board of a cabinet bus bar, a first floating module, and a second floating module, the first plug-in board and the second plug-in board are respectively plugged into the slot of the first clamping plate connector and the slot of the second clamping plate connector, so that the bus bar group can float in a vertical direction relative to the cabinet bus bar group, the first floating module is arranged between the first cabinet bus bar and the first plug-in board, and the second floating module is arranged between the second cabinet bus bar and the second plug-in board, so that the bus bar group can float in a left-right direction relative to the cabinet bus bar group. An electrical connection device includes: a bus bar set, including a first bus bar and a second bus bar, the first bus bar having a first clamping plate connector, the second bus bar having a second clamping plate connector; and a cabinet bus bar set, including a first cabinet bus bar, a second cabinet bus bar, a first plugboard, a second plugboard, a first floating module, and a second Two floating modules, the first plug board is plugged into the first clamping plate connector, the second plug board is plugged into the second clamping plate connector, the first floating module is arranged between the first cabinet bus bar and the first plug board, and the second floating module is arranged between the second cabinet bus bar and the second plug board, so that the bus bar group can float in a left-right direction relative to the cabinet bus bar group.

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