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CN217720186U - Integrated laminated busbar structure - Google Patents

Integrated laminated busbar structure Download PDF

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Publication number
CN217720186U
CN217720186U CN202221055700.7U CN202221055700U CN217720186U CN 217720186 U CN217720186 U CN 217720186U CN 202221055700 U CN202221055700 U CN 202221055700U CN 217720186 U CN217720186 U CN 217720186U
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China
Prior art keywords
layer
hole
laminated busbar
electric
copper bar
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CN202221055700.7U
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Inventor
余中桂
金祖勇
朱慧玲
陈佳烨
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Big Pawer Electrical Technology Xiangyang Co ltd
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Big Pawer Electrical Technology Xiangyang Co ltd
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Abstract

The utility model discloses a female structure of arranging of integration range upon range of, include: the laminated busbar body comprises a first electric connecting layer, at least one first insulating layer and a second electric connecting layer, the first electric connecting layer, the at least one first insulating layer and the second electric connecting layer are sequentially stacked, the first electric connecting layer, the at least one first insulating layer and the second electric connecting layer are clamped, the first connecting piece is connected with two wiring ends of the thin film capacitor in a homogeneous mode, the two wiring ends of the thin film capacitor are connected with the first electric connecting layer and the second electric connecting layer in a homogeneous mode through the first connecting piece, the first electric connecting layer, the at least one first insulating layer and the second electric connecting layer are enabled to be mutually abutted, and the first electric connecting layer, the at least one first insulating layer and the second electric connecting layer are limited to relatively slide. The utility model discloses can solve and need successively repetitious operation screw installation fastening conductive copper bar and insulating material in order to realize to lead to the installation of the female structure of range upon range of arranging and dismantle inconvenient problem.

Description

Integrated laminated busbar structure
Technical Field
The utility model relates to a range upon range of female technical field that arranges especially relates to a range upon range of female structure of arranging of integration.
Background
The laminated busbar is also called a composite busbar, and has the characteristics of repeatable electrical performance, low impedance, interference resistance, good reliability, space saving and the like, so that the laminated busbar is widely applied to high-power modular connection structural components, and is more and more widely applied to the field of power electronics.
For example, application numbers are: CN201420130159.0, entitled as: a laminated busbar structure comprises a lower conducting layer and N upper layers which are fastened by plastic screws and nuts and are sequentially laminated; the upper layer is formed by sequentially laminating a flexible insulating layer, a hard insulating layer and an upper conducting layer; wherein N is an integer of not less than 1. The utility model discloses mix and use stereoplasm insulating material and flexible insulating material, dual isolation ensures the electrical isolation safety between the female conductive copper bar that arranges of range upon range of, and need not to use the cutting die to process flexible insulating material, and processing is convenient, low cost. The threaded connection cooperation through a plurality of plastic screws and nut realizes fastening copper bar and insulating material, nevertheless often in order to connect electric capacity in the conducting layer, still need be structural with a plurality of electric capacity threaded connection in the female row of range upon range of through a plurality of screws again, need earlier many times of repetitive operation to realize threaded connection's installation and the process of dismantling like this, the connection of rethread many times of repetitive operation realization electric capacity, operating procedure is loaded down with trivial details, and it is inconvenient to use.
Therefore, a need has been urgently needed for an integration is arranged to range upon range of female structure for solve the installation that needs successively many times repeated operation threaded connection among the prior art and fasten copper bar and insulating material in order to realize fastening, thereby lead to range upon range of female structure installation and dismantle inconvenient problem.
SUMMERY OF THE UTILITY MODEL
In view of this, it is necessary to provide an integrated laminated busbar structure, which solves the technical problem in the prior art that the conductive copper bars and the insulating material are fastened by repeatedly operating the installation process of threaded connection for many times, so that the laminated busbar structure is inconvenient to install and disassemble.
In order to achieve the above technical purpose, the technical scheme of the utility model provide an integration is range upon range of female to be arranged structure, include:
the laminated busbar body comprises a first electric connection layer, at least one first insulation layer and a second electric connection layer which are sequentially laminated, and the first electric connection layer, the at least one first insulation layer and the second electric connection layer are clamped;
the first connecting piece is connected with two terminals of the thin film capacitor, the two terminals of the thin film capacitor are connected with the first electric connecting layer and the second electric connecting layer through the first connecting piece, and the first electric connecting layer, the at least one first insulating layer and the second electric connecting layer are mutually abutted to limit the relative sliding of the first electric connecting layer, the at least one first insulating layer and the second electric connecting layer.
Furthermore, the first electric connection layer is provided with at least one installation position for connecting the thin film capacitor, the installation position comprises a circular boss and a first through hole which are adjacently arranged, a first connection hole is further formed in the center of the circular boss, the first insulation layer is provided with a first connection hole relative to the circular boss, at least one first insulation layer is sleeved on the circular boss through the first connection hole, the second electric connection layer is provided with a second through hole and a second connection hole respectively relative to the circular boss and the first through hole, the circular boss is clamped in the second through hole, the first connection hole and the second through hole are coaxially arranged, and the first connection piece is respectively connected with two wiring ends of the thin film capacitor through the first connection hole and the second connection hole.
Furthermore, a second communication hole is formed in the first insulating layer opposite to the first through hole, the first connecting piece comprises a first connecting end and a second connecting end, the first connecting end sequentially penetrates through the first through hole and the second connecting hole to be connected to the thin film capacitor and abuts against the second electric connecting layer, and the second connecting end sequentially penetrates through the first connecting hole and the second through hole to be connected to the thin film capacitor and abuts against the circular boss.
Furthermore, in the first electric connection layer the quantity of installation position is a plurality of, and is a plurality of the installation position is followed the crisscross and mutual interval setting from top to bottom of the length direction of female row's body of range upon range of, thin-film capacitor with installation position one-to-one sets up, and the warp installation position can dismantle connect in female row's body of range upon range of.
Further, the laminated busbar body further comprises a second insulating layer and a third insulating layer, the second insulating layer is arranged on one side, away from the second electric connecting layer, of the first electric connecting layer and is connected to the first electric connecting layer, and the third insulating layer is arranged on one side, away from the first electric connecting layer, of the second electric connecting layer and is connected to the second electric connecting layer.
Furthermore, the laminated busbar body is L-shaped and is provided with a first straight edge and a second straight edge, one end of the first straight edge is connected to one end of the second straight edge, the first connecting piece is connected to the first straight edge, and the mounting position is arranged on the second straight edge.
Furthermore, the first straight edge is provided with two first through grooves and two second through grooves, the two first through grooves are symmetrically arranged on two opposite sides of the first straight edge respectively and penetrate through two adjacent side edges of the first straight edge, and the second through grooves are arranged in the middle of the two first through grooves and penetrate through the first straight edge.
Further, still be formed with the installation clearance between second insulating layer and the first insulating layer, range upon range of female body of arranging still includes first copper bar and second copper bar, first copper bar set up in the installation clearance, and be connected to in first electric connection layer, the second copper bar is relative first copper bar sets up, and be connected to in second electric connection layer.
Furthermore, three first mounting holes have been seted up on the first copper bar, it is three first mounting hole is relative two respectively first lead to the groove with the second leads to the groove setting, the second copper bar is relative three second mounting hole has been seted up to first mounting hole, the laminated female structure of integration still includes at least one second connecting piece, the second connecting piece includes third link and fourth link, the third link connect in first mounting hole, the fourth link connect in the second mounting hole, just third link and fourth link are connected with three-phase rectifier bridge and two wiring end homogeneous phases of two double-barrelled IGBTs respectively.
Furthermore, the copper bar connecting structure further comprises a connecting layer, wherein the connecting layer is arranged at the other end of the first straight edge and connected between the first electric connecting layer and the second copper bar, the first copper bar and the second copper bar are coplanar, and arc-shaped chamfers are arranged at the connecting positions of the connecting layer and the first electric connecting layer and the second copper bar.
Compared with the prior art, the beneficial effects of the utility model include: the laminated busbar body comprises a first electric connecting layer, at least one first insulating layer and a second electric connecting layer which are sequentially laminated and mutually clamped, the first electric connecting layer and the second electric connecting layer are separated through the at least one first insulating layer, the conducting layer and the insulating layer are fixedly connected in a mutual clamping mode, two wiring ends of the thin film capacitor are respectively connected with the first electric connecting layer and the second connecting layer through first connecting pieces, the thin film capacitor, the first electric connecting layer, the second electric connecting layer and the first connecting pieces are connected, the first electric connecting layer, the at least one first insulating layer and the second electric connecting layer can be tightly abutted, relative sliding is avoided, strengthening effect is further achieved on the fixed connection of the conducting layer and the insulating layer, the installation process of repeated operation of threaded connection is reduced, the thin film capacitor is connected to the laminated busbar body only through operation, the abutting effect of the first connecting pieces and the thin film capacitor can be achieved, the first electric connecting layer, the at least one first insulating layer and the second electric connecting layer are prevented from sliding relatively, and the problem that the laminated busbar structure is inconvenient to install and disassemble is solved.
Drawings
Fig. 1 is a schematic structural diagram of an integrated laminated busbar structure according to an embodiment of the present invention;
fig. 2 is a schematic structural view of another view angle of the integrated laminated busbar structure according to an embodiment of the present invention;
FIG. 3 is an enlarged partial schematic view at A in FIG. 2;
fig. 4 is a schematic structural diagram of a first electrical connection layer provided in an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a second electrical connection layer provided in an embodiment of the present invention;
fig. 6 is a schematic structural view illustrating an electrical connection between a laminated busbar body and a thin film capacitor, a three-phase rectifier bridge and two double-tube IGBTs provided in the embodiment of the present invention;
fig. 7 is a schematic structural view of another view angle of the stacked busbar body, the thin film capacitor, the three-phase rectifier bridge and the two double-tube IGBT three electric connections provided by the embodiment of the present invention.
Detailed Description
The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of this application, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit its scope.
Referring to fig. 1 to 3, the present invention provides an integrated stacked busbar structure, including: the laminated busbar body 1 comprises a first electric connection layer 11, at least one first insulation layer 12 and a second electric connection layer 13 which are sequentially arranged in a laminated mode, the first electric connection layer 11, the at least one first insulation layer 12 and the second electric connection layer 13 are clamped in a homogeneous phase mode, the first connection piece 2 is used for installing the thin film capacitor 3 to the laminated busbar body 1, the first connection piece 2 is connected with two wiring ends of the thin film capacitor 3 in a homogeneous phase mode, the two wiring ends of the thin film capacitor 3 are connected with the first electric connection layer 11 and the second electric connection layer 13 through the first connection piece 2 in a homogeneous phase mode, the first electric connection layer 11, the at least one first insulation layer 12 and the second electric connection layer 13 are enabled to be mutually abutted, and the first electric connection layer 11, the at least one first insulation layer 12 and the second electric connection layer 13 are limited to slide relatively.
The laminated busbar body 1 of the device comprises a first electric connection layer 11, at least one first insulation layer 12 and a second electric connection layer 13 which are sequentially laminated and clamped, the first electric connection layer 11 and the second electric connection layer 13 are spaced through the at least one first insulation layer 12, the conductive layers and the insulation layers are fixedly connected in a mutually clamped mode, meanwhile, two wiring ends of the thin-film capacitor 3 are respectively connected with the first electric connection layer 11 and the second connection layer 5 through the first connecting piece 2, and the thin-film capacitor 3, the first electric connection layer 11, the second electric connection layer 13 and the first connecting piece 2 are connected to enable the first electric connection layer 11, the at least one first insulation layer 12 and the second electric connection layer 13 to be abutted against each other to avoid relative sliding of the first electric connection layer and the second electric connection layer, so that the fixed connection of the conductive layers and the insulation layers is strengthened, and the installation process of threaded connection is repeatedly operated for many times is reduced.
Further, through the structure, only need the operation to connect film capacitor 3 in female body 1 of arranging of range upon range of, can be through first connecting piece 2 and film capacitor 3's butt effect, avoid first electric connection layer 11, at least one first insulation layer 12 and second electric connection layer 13 take place to slide relatively, can avoid among the prior art need successively many times repetitive operation threaded connection's installation in order to realize fastening conductive copper bar and insulating material, a plurality of screws of rethread are with a plurality of electric capacity threaded connection structural in female the range upon range of, thereby lead to female row structural mounting of range upon range of and dismantle inconvenient problem.
Further, in order to obtain a good electrical insulation effect, the number of the first insulation layers 12 in the present device is two.
As shown in fig. 6, the device further comprises at least one second connecting member 4, and a connecting layer 5 connected to the second connecting member 4.
As shown in fig. 4, the first electrical connection layer 11 is provided with at least one mounting position 111 for connecting the thin film capacitor 3, the mounting position 111 includes a circular boss 112 and a first through hole 113 which are adjacently disposed, a first connection hole 114 is further provided at the center of the circular boss 112, the first insulation layer 12 is provided with the first connection hole relative to the circular boss, the at least one first insulation layer 12 is sleeved on the circular boss 112 through the first connection hole, the second electrical connection layer 13 is provided with a second through hole 131 and a second connection hole 132 relative to the circular boss 112 and the first through hole 113, the circular boss 112 is clamped in the second through hole 131, the first connection hole 114 and the second connection hole 131 are coaxially disposed, and the first connection element 2 is connected with two terminals of the thin film capacitor 3 through the first connection hole 114 and the second connection hole 132, respectively.
It can be understood that, in the present apparatus, the circular boss 112 is engaged with the circular boss 112 and clamped in the second through hole 131 by sleeving the circular boss 112 with at least one first insulating layer 12, and meanwhile, the first connecting member 2 abuts against the first electrical connecting layer 11 and the second connecting layer 5 to tightly abut against the first electrical connecting layer 11, the first insulating layer 12 and the second electrical connecting layer 13, thereby realizing the fixed connection between the electrical connecting layers and the insulating layers.
As shown in fig. 3, the laminated busbar body 1 further includes a second insulating layer 14 and a third insulating layer 15, the second insulating layer 14 is disposed on a side of the first electrical connection layer 11 away from the second electrical connection layer 13 and connected to the first electrical connection layer 11, and the third insulating layer 15 is disposed on a side of the second electrical connection layer 13 away from the first electrical connection layer 11 and connected to the second electrical connection layer 13.
It can be understood that the second insulating layer 14 and the third insulating layer 15 separate the first electrical connection layer 11 and the second electrical connection layer 13 from the outside, respectively, so as to avoid the first electrical connection layer 11 and the second electrical connection layer 13 from being electrically connected with the outside due to misoperation.
Further, the second insulating layer 14 and the third insulating layer 15 in the present device can be connected to the first electrical connection layer 11 and the second electrical connection layer 13 by means of thermoforming or bonding, which will not be described in detail herein.
As an embodiment, the laminated busbar body 1 is L-shaped, and has a first straight edge and a second straight edge, one end of the first straight edge is connected to one end of the second straight edge, the first connecting element 2 is connected to the first straight edge, and the mounting location 111 is disposed on the second straight edge.
It can be understood that the laminated busbar is L-shaped, so that the structure of the device is more compact, and the problem of large inductance distribution caused by loose structure is avoided.
As shown in fig. 1 to 7, the first straight edge is provided with two first through grooves 16 and two second through grooves 17, the two first through grooves 16 are respectively symmetrically arranged on two opposite sides of the first straight edge and both penetrate through two adjacent side edges of the first straight edge, and the second through grooves 17 are arranged in the middle of the two first through grooves 16 and penetrate through the first straight edge.
It can be understood that the first through groove 16 and the second through groove 17 are opened for the installation of the three-phase rectifier bridge 6 and the two double-tube IGBT7 is convenient, the structure of the three-phase rectifier bridge 6 and the two double-tube IGBT7 is avoided, the installation interference of the laminated busbar body 1 is avoided, and the effect of reducing the weight of the device is achieved.
As an embodiment, the number of the mounting positions 111 in the first electrical connection layer 11 is plural, the mounting positions 111 are staggered up and down along the length direction of the laminated busbar body 1 and are arranged at intervals, and the thin film capacitors 3 are arranged in one-to-one correspondence with the mounting positions 111 and detachably connected to the laminated busbar body 1 through the mounting positions 111.
It can be understood that a plurality of installation positions 111 which are staggered up and down and arranged at intervals are used for enabling a plurality of thin film capacitors 3 to be installed more tightly, and therefore the size and the weight of the laminated busbar body 1 in the device are reduced.
Further, the thin-film capacitor 3 is a capacitor whose positive electrode and negative electrode are not distinguished, so that after the thin-film capacitor 3 is connected to the laminated busbar body 1, the thin-film capacitor 3, the three-phase rectifier bridge 6 and the two double-tube IGBTs 7 can be electrically connected by determining the positive and negative electrodes of the three-phase rectifier bridge 6 and the two double-tube IGBTs 7.
Further, the thin film capacitor 3, the three-phase rectifier bridge 6 and the double-Transistor IGBT7 are all conventional devices known to those skilled in the art, and the IGBT (Insulated Gate Bipolar Transistor) and the Insulated Gate Bipolar Transistor are composite fully-controlled voltage-driven power semiconductor devices composed of BJT (Bipolar junction Transistor) and MOS (Insulated Gate field effect Transistor), and have both advantages of high input impedance of the MOSFET and low on-state voltage drop of the GTR, which will not be described herein.
As an embodiment, the first insulating layer 12 further has a second through hole opposite to the first through hole 113, the first connecting member 2 includes a first connecting end 21 and a second connecting end 22, the first connecting end 21 sequentially passes through the first through hole 113 and the second connecting hole 132 to be connected to the thin film capacitor 3 and abuts against the second electrical connecting layer 13, and the second connecting end 22 sequentially passes through the first connecting hole 114 and the second through hole 131 to be connected to the thin film capacitor 3 and abuts against the circular boss 112.
It can be understood that the first connection end 21 is connected to one terminal of the thin film capacitor 3 and abuts against the second electrical connection layer 13, and the second connection end 22 is connected to the other terminal of the thin film capacitor 3 and abuts against the circular boss 112 of the first electrical connection layer 11, so as to tightly abut against the first electrical connection layer 11, the at least one first insulating layer 12 and the second electrical connection layer 13.
Further, specifically, the first connection end 21 and the second connection end 22 in the device are screws, and the thin film capacitor 3 is provided with a threaded hole in a matching manner, the threaded ends of the screws are connected to the thin film capacitor 3 in a threaded manner, and the large-diameter sections of the screws abut against the first electrical connection layer 11 or the second electrical connection layer 13, so that the thin film capacitor 3 is electrically connected to the first electrical connection layer 11 or the second electrical connection layer 13, and the abutting force is applied through the threaded connection, so that the first electrical connection layer 11, the at least one first insulation layer 12 and the second electrical connection layer 13 are prevented from sliding relatively.
As shown in fig. 3, a mounting gap 121 is further formed between the second insulating layer 14 and the first insulating layer 12, the laminated busbar body 1 further includes a first copper bar 18 and a second copper bar 19, the first copper bar 18 is disposed in the mounting gap 121 and connected to the first electrical connection layer 11, and the second copper bar 19 is disposed opposite to the first copper bar 18 and connected to the second electrical connection layer 13.
It can be understood that the three-phase rectifier bridge 6 and the two double-tube IGBTs 7 realize the electrical connection between the positive electrode and the negative electrode of the first electrical connection layer 11 and the second electrical connection layer 13 through the first copper bar 18 and the second copper bar 19.
As an implementation manner, three first mounting holes 181 have been seted up on the first copper bar 18, three first mounting holes 181 have been seted up two first logical grooves 16 and the setting of second logical groove 17 relatively respectively, three second mounting hole 191 has been seted up relatively to first mounting hole 181 to second copper bar 19, this device still includes at least one second connecting piece 4, second connecting piece 4 includes third link 41 and fourth link 42, third link 41 connects in first mounting hole 181, fourth link 42 connects in second mounting hole 191, and third link 41 and fourth link 42 are connected with two wiring terminals homogeneous phases of three-phase rectifier bridge 6 and two double-barrelled 7 respectively.
It can be understood that the detachable connection of the three-phase rectifier bridge 6 and the two double-tube IGBTs 7 with the laminated busbar body 1 is realized through the second connecting piece 4.
Further, specifically, the third connection end 41 and the fourth connection end 42 in the device are respectively screws, threaded holes matched with the three-phase rectifier bridge 6 and the two double-tube IGBTs 7 for use are respectively formed in the three-phase rectifier bridge 6 and the two double-tube IGBTs 7, and the three-phase rectifier bridge 6 and the two double-tube IGBTs 7 are connected in a detachable mode through threads.
As shown in fig. 3, the connecting layer 5 is disposed at the other end of the first straight edge and connected between the first electrically connecting layer 11 and the second copper bar 19, so that the first copper bar 18 and the second copper bar 19 are coplanar, and the connecting portions between the connecting layer 5 and the first electrically connecting layer 11 and the second copper bar 19 are both provided with arc-shaped chamfers.
It can be understood that the connecting layer 5 is arranged to make the bottommost end of the first copper bar 18 and the bottommost end of the second copper bar 19 coplanar, so that the three-phase rectifier bridge 6 and the two double-tube IGBTs 7 can be conveniently mounted and fixed, and the mounting interference is avoided.
The utility model discloses a concrete work flow, range upon range of female body 1 by the first electric connection layer 11 of range upon range of and mutual joint in proper order, at least one first insulation layer 12 and second electric connection layer 13 are constituteed, it is spaced apart first electric connection layer 11 and second electric connection layer 13 through at least one first insulation layer 12, and realize the fixed connection of conducting layer and insulating layer through the mode of mutual joint, simultaneously two wiring ends of film capacitor 3 are connected with first electric connection layer 11 and second connecting layer 5 through first connecting piece 2 respectively, and film capacitor 3, first electric connection layer 11, the connection of second electric connection layer 13 and first connecting piece 2, can make first electric connection layer 11, at least one first insulation layer 12 and second electric connection layer 13 support tightly each other, avoid it to take place relative slip, further play the reinforcing effect to the fixed connection of conducting layer and insulating layer, thereby reduce the installation of repetitious operation threaded connection, only need to connect film capacitor 3 in range upon range of female body 1 of arranging in the operation, can be through the butt effect of first connecting piece 2 and film capacitor 3, avoid first electric connection layer 11, at least one first electric connection layer 12 and second electric connection layer 13 and the inconvenient electric connection of taking place the female connection of taking place to dismantle the female connection problem of taking place.
When the user uses, the first electric connection layer 11, at least one first insulation layer 12 and the second electric connection layer 13 are sequentially stacked, the first insulation layer 12 is sleeved on the circular boss 112 through the first through hole, the circular boss 112 is clamped on the second through hole 131, then the user sequentially connects the two terminals of the thin film capacitor 3 with the first connection end 21 and the second connection end 22, the first connection end 21 is tightly connected with the second electric connection layer 13 through screwing the screw, the second connection end 22 is tightly connected with the circular boss 112, and finally the three-phase rectifier bridge 6 and the two double-tube IGBTs 7 are respectively installed through the second connection piece 4, so that the electric connection of the three-phase rectifier bridge 6, the two double-tube IGBTs 7, the laminated busbar body and the plurality of thin film capacitors 3 can be realized.
Through above-mentioned structure, can avoid among the prior art need successively many times repetitive operation threaded connection's installation in order to realize fastening conductive copper bar and insulating material, a plurality of screws of rethread are with a plurality of electric capacity threaded connection on the female structure of range upon range of mother to lead to the female inconvenient problem of structure installation of range upon range of mother and dismantlement.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.

Claims (10)

1. An integrated laminated busbar structure, comprising:
the laminated busbar body comprises a first electric connection layer, at least one first insulating layer and a second electric connection layer which are sequentially stacked, and the first electric connection layer, the at least one first insulating layer and the second electric connection layer are clamped in a homogeneous phase manner;
the first connecting piece is connected with two terminals of the thin film capacitor, the two terminals of the thin film capacitor are connected with the first electric connecting layer and the second electric connecting layer through the first connecting piece, and the first electric connecting layer, the at least one first insulating layer and the second electric connecting layer are mutually abutted to limit the relative sliding of the first electric connecting layer, the at least one first insulating layer and the second electric connecting layer.
2. The integrated laminated busbar structure according to claim 1, wherein the first electrical connection layer is provided with at least one mounting position for connecting a thin film capacitor, the mounting position comprises a circular boss and a first through hole which are adjacently arranged, a first connection hole is further formed in the center of the circular boss, the first insulation layer is provided with a first connection hole relative to the circular boss, at least one first insulation layer is sleeved on the circular boss through the first connection hole, the second electrical connection layer is provided with a second through hole and a second connection hole relative to the circular boss and the first through hole respectively, the circular boss is clamped in the second through hole, the first connection hole and the second through hole are coaxially arranged, and the first connection piece is connected with two terminals of the thin film capacitor through the first connection hole and the second connection hole respectively.
3. The integrated laminated busbar structure according to claim 2, wherein the first insulating layer is further provided with a second communication hole opposite to the first through hole, the first connecting piece comprises a first connecting end and a second connecting end, the first connecting end sequentially penetrates through the first through hole and the second connecting hole to be connected to the thin film capacitor and abuts against the second electric connecting layer, and the second connecting end sequentially penetrates through the first connecting hole and the second through hole to be connected to the thin film capacitor and abuts against the circular boss.
4. The integrated laminated busbar structure according to claim 2, wherein the number of the mounting positions in the first electrical connection layer is multiple, the mounting positions are staggered up and down along the length direction of the laminated busbar body and are arranged at intervals, and the thin film capacitors are arranged in one-to-one correspondence with the mounting positions and detachably connected to the laminated busbar body through the mounting positions.
5. The integrated laminated busbar structure according to claim 4, wherein the laminated busbar body further comprises a second insulating layer and a third insulating layer, the second insulating layer is disposed on one side of the first electrical connection layer away from the second electrical connection layer and connected to the first electrical connection layer, and the third insulating layer is disposed on one side of the second electrical connection layer away from the first electrical connection layer and connected to the second electrical connection layer.
6. The integrated laminated busbar structure according to claim 5, wherein the laminated busbar body is L-shaped and has a first straight side and a second straight side, one end of the first straight side is connected to one end of the second straight side, the first connecting piece is connected to the first straight side, and the mounting position is arranged on the second straight side.
7. The integrated laminated busbar structure according to claim 6, wherein the first straight side is provided with two first through grooves and two second through grooves, the two first through grooves are symmetrically arranged on two opposite sides of the first straight side respectively and penetrate through two adjacent sides of the first straight side, and the second through groove is arranged in the middle of the two first through grooves and penetrates through the first straight side.
8. The integrated laminated busbar structure according to claim 7, wherein a mounting gap is further formed between the second insulating layer and the first insulating layer, the laminated busbar body further comprises a first copper bar and a second copper bar, the first copper bar is arranged in the mounting gap and connected to the first electrical connection layer, and the second copper bar is arranged opposite to the first copper bar and connected to the second electrical connection layer.
9. The laminated busbar structure of claim 8, wherein three first mounting holes are formed in the first copper bar, the three first mounting holes are respectively arranged opposite to the two first through grooves and the two second through grooves, three second mounting holes are formed in the second copper bar opposite to the first mounting holes, the laminated busbar structure further comprises at least one second connecting piece, each second connecting piece comprises a third connecting end and a fourth connecting end, the third connecting ends are connected to the first mounting holes, the fourth connecting ends are connected to the second mounting holes, and the third connecting ends and the fourth connecting ends are respectively connected with two wiring ends of the three-phase rectifier bridge and the two double-tube IGBTs.
10. The integrated laminated busbar structure according to claim 9, further comprising a connecting layer, wherein the connecting layer is arranged at the other end of the first straight side and connected between the first electric connecting layer and the second copper bar, so that the first copper bar and the second copper bar are coplanar, and the connecting part between the connecting layer and the first electric connecting layer and the second copper bar is provided with an arc-shaped chamfer.
CN202221055700.7U 2022-04-28 2022-04-28 Integrated laminated busbar structure Active CN217720186U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117317657A (en) * 2023-10-16 2023-12-29 浙江海燕新能源有限公司 Busbar connecting piece for hydrogen energy automobile and production process thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117317657A (en) * 2023-10-16 2023-12-29 浙江海燕新能源有限公司 Busbar connecting piece for hydrogen energy automobile and production process thereof
CN117317657B (en) * 2023-10-16 2024-04-12 浙江海燕新能源有限公司 Busbar connecting piece for hydrogen energy automobile and production process thereof

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