CN110098543B - Laminated busbar, power module and vehicle - Google Patents
Laminated busbar, power module and vehicle Download PDFInfo
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- CN110098543B CN110098543B CN201810087882.8A CN201810087882A CN110098543B CN 110098543 B CN110098543 B CN 110098543B CN 201810087882 A CN201810087882 A CN 201810087882A CN 110098543 B CN110098543 B CN 110098543B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
- H01R25/16—Rails or bus-bars provided with a plurality of discrete connecting locations for counterparts
- H01R25/161—Details
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
- H01R25/16—Rails or bus-bars provided with a plurality of discrete connecting locations for counterparts
- H01R25/167—Connecting locations formed by staggering mounted apparatus
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/26—Connectors or connections adapted for particular applications for vehicles
Abstract
The invention provides a laminated busbar which comprises a positive busbar and a negative busbar; the positive busbar comprises a positive power connecting terminal and a positive main body, and the positive power connecting terminal comprises a positive connecting terminal panel; the negative electrode bus bar comprises a negative electrode power connecting terminal and a negative electrode main body, and the negative electrode power connecting terminal comprises a negative electrode connecting terminal panel; one side of the plate surface of the positive connecting terminal panel faces one side of the plate surface of the negative connecting terminal panel; the laminated busbar provided by the invention has the advantages of less heat generation, quick heat dissipation, large creepage distance, safety and good service performance. The power module comprises a power device, a capacitor device and the laminated busbar; the power module provided by the invention adopts the laminated busbar, so that the power module has the advantages of less heat generation, quick heat dissipation and large creepage distance. A vehicle is also provided, comprising the aforementioned power module; due to the adoption of the power module which generates less heat, dissipates heat quickly, has large creepage distance and has good performance, the use safety of the vehicle is ensured.
Description
Technical Field
The invention belongs to the technical field of electronics, and particularly relates to a laminated busbar, a power module and a vehicle.
Background
The conventional laminated busbar comprises a positive busbar 1001, a negative busbar 1002, a first insulating layer 1005 arranged between the positive busbar 1001 and the negative busbar 1002, a second insulating layer 1006 arranged on one side of the positive busbar 1001, which is far away from the negative busbar 1002, a third insulating layer 1007 arranged on one side of the negative busbar 1002, which is far away from the positive busbar 1001, a power device 1003 connected with power connection terminals of the positive busbar 1001 and the negative busbar 1002, and a capacitance device 1004 connected with input connection terminals of the positive busbar 1001 and the negative busbar 1002; the positive power connection terminal 1014 arranged on the positive busbar 1001 and the negative power connection terminal 1024 arranged on the negative busbar 1002 are arranged in a staggered and overlapped mode, and the first insulating layer 1005, the second insulating layer 1006 and the third insulating layer 1007 cover the positive power connection terminal 1014 and the negative power connection terminal 1024.
The positive and negative direct current power supplies are respectively connected with the positive busbar 1001 and the negative busbar 1002 through direct current input terminals, positive direct current is input into the positive busbar 1001, and negative direct current is input into the negative busbar 1002; the direct current is conducted to a capacitor device 1004 through a positive input connecting terminal and a capacitor input connecting terminal for filtering, voltage stabilization and then flows to a positive power connecting terminal 1014 and a negative power connecting terminal 1024 through a positive busbar main body, then flows to a power device 1003 for inversion through the positive power connecting terminal 1014 and the negative power connecting terminal 1024, and finally outputs alternating current from a power output terminal of the power device 1003 for supplying to a load; the power device 1003, for example an insulated gate bipolar transistor (IGBT module), generally belongs to a standard part, and the first pin of the power device 1003 for connecting with the positive power connection terminal 1014 and the second pin for connecting with the negative power connection terminal 1024 are at a smaller distance, and further includes a third pin 1033 for connecting with a load; in a staggered and superposed mode, the spacing distance between the positive power connecting terminal 1014 and the negative power connecting terminal 1024 is mainly the distance in the plane direction of the busbar, and for good connection with the power device 1003, the spacing distance is obviously smaller than the distance of pins of the power device 1003; and the increased cross-sectional area of the positive power connection terminal 1014 and the negative power connection terminal 1024 further reduces the separation distance, which limits the space in which the cross-sectional area of the positive power connection terminal 1014 and the negative power connection terminal 1024 increases, which makes not only the distance between the positive power connection terminal 1014 and the negative power connection terminal 1024 small, but also the cross-sectional area of the positive power connection terminal 1014 and the negative power connection terminal 1024 small.
The positive power connecting terminal 1014 and the negative power connecting terminal 1024 are both parts with larger overcurrent on the busbar, and the distance between the positive power connecting terminal 1014 and the negative power connecting terminal 1024 is small, namely the creepage distance is small, so that phenomena such as electric arc, ignition and the like are easily caused; a small cross-sectional area leads to an increase in overcurrent per unit area, resulting in greater heat generation per unit area; the positive power connecting terminal 1014 and the negative power connecting terminal 1024 are surrounded by the insulating layers, heat dissipation is slow, the laminated busbar keeps a high-temperature state for a long time, working performance of the laminated busbar is affected, and great potential safety hazards exist.
In the prior art, the positive power connection terminal 1014 of the positive busbar 1001 and the negative power connection terminal 1024 of the negative busbar 1002 are both in a direct extending form, and the manufacturing processes of the positive busbar 1001 and the negative busbar 1002 in the prior art are all formed by cutting off materials on the basis of an original blank plate, so that a large amount of materials can be cut off when the positive busbar 1001 and the negative busbar 1002 are manufactured, and material waste is caused.
Disclosure of Invention
One of the objectives of the present invention is to provide a laminated busbar, so as to solve the technical problems existing in the prior art that the overcurrent per unit area of the positive power connection terminal and the negative power connection terminal is large, the heat generation is high, the heat dissipation is slow, the overheating is easy, and the working performance of the laminated busbar is affected.
In order to achieve the purpose, the invention adopts the technical scheme that: providing a laminated busbar, which comprises a positive busbar and a negative busbar; the positive busbar comprises a positive main body of a positive power connecting terminal, and the positive power connecting terminal comprises a positive connecting terminal panel which is connected to one side of the positive main body and is used for connecting a power device; the negative electrode bus bar comprises a negative electrode power connecting terminal and a negative electrode main body, and the negative electrode power connecting terminal comprises a negative electrode connecting terminal panel which is connected to one side of the negative electrode main body and is used for connecting the power device; the positive electrode main body and the negative electrode main body are stacked in an insulating mode, the positive power connecting terminals and the negative power connecting terminals are arranged at intervals, the positive connecting terminal panel is twisted relative to the positive electrode main body, the negative connecting terminal panel is twisted relative to the negative electrode main body, and one side of the plate surface of the positive connecting terminal panel faces one side of the plate surface of the negative connecting terminal panel.
Further, the positive busbar further comprises a positive connector, the positive connector is connected to the positive main body, and one side of the positive connector is folded relative to the positive main body; one end of the positive connecting terminal panel is connected to the positive connecting body, and the other end of the positive connecting terminal panel is turned over relative to the positive connecting body; and/or the presence of a gas in the gas,
the negative busbar also comprises a negative connector, the negative connector is connected to the negative main body, and one side of the negative connector is turned over relative to the negative main body; one end of the negative connecting terminal panel is connected with the negative connecting body, and the other end of the negative connecting terminal panel is turned over relative to the negative connecting body.
Further, one side of the positive electrode connector is connected with one side of the positive electrode main body; and/or the presence of a gas in the gas,
one side of the negative electrode connector is connected with one side of the negative electrode main body.
Further, the positive electrode main body, the positive electrode connector and the positive electrode connecting terminal panel are made of a first plate, and a first separation gap extending from one end of the first plate to the other end is formed in the first plate; the area of the first plate on one side of the first separation gap and the extending direction of the first separation gap is the plate of the anode main body, and the area on the other side of the first plate is the plate of the anode connector and the anode connecting terminal panel; the first plate is folded by taking the extending direction of the first separation gap as a folding line to form the positive connecting body, and the boundary line of the plate of the positive connecting body and the plate of the positive connecting terminal panel is taken as a folding line to form the positive connecting terminal panel; the negative electrode main body, the negative electrode connector and the negative electrode connecting terminal panel are made of a second plate, and a second separation gap extending from one end of the second plate to the other end is formed in the second plate; the area of the second plate on one side of the second separation gap and the extending direction of the second separation gap is the plate of the negative main body, and the area on the other side of the second plate is the plate of the negative connector and the negative connecting terminal panel; the second plate is folded and folded by taking the extending direction of the second separation gap as a folding line to form the negative connector, and the boundary line of the plate of the negative connector and the plate of the negative connecting terminal panel is folded and folded by taking the folding line to form the negative connecting terminal panel.
Further, the positive busbar further comprises a positive direct current input terminal arranged on the positive connector; the negative busbar also comprises a negative direct current input terminal arranged on the negative connector.
Further, the positive power connection terminal further comprises a plurality of first connection pieces for connecting pins of the power device, and each first connection piece is connected to the positive connection terminal panel and is folded relative to the positive connection terminal panel; and/or the presence of a gas in the gas,
the negative power connecting terminal further comprises a plurality of second connecting pieces used for connecting pins of the power device, and each second connecting piece is connected to the negative connecting terminal panel and is turned over relative to the negative connecting terminal panel.
Furthermore, each first connecting piece is arranged on one side of the positive connecting terminal panel; and/or the presence of a gas in the gas,
each second connecting sheet is arranged on one side of the negative connecting terminal panel.
Further, each of the first connection pieces extends from the positive connection terminal panel toward the negative power connection terminal; and/or the presence of a gas in the gas,
each second connecting piece extends from the negative connecting terminal panel towards the positive power connecting terminal.
Further, the first connecting piece is an independent structure fixedly arranged on the positive connecting terminal panel, or the first connecting piece and the positive connecting terminal panel are of an integrated structure; and/or
The second connecting piece is an independent structure fixedly arranged on the negative connecting terminal panel, or the second connecting piece and the negative connecting terminal panel are of an integral structure.
Furthermore, the positive power connecting terminal is made of a third plate, one side of the third plate is provided with a plurality of first slits which are bent and extended inwards from a first outer edge, and a part of the plate, which is positioned on the bent inner side of the first slits, of the third plate is folded to form the positive power connecting terminal; and/or the presence of a gas in the gas,
the negative power connecting terminal is made by a fourth plate, one side of the fourth plate is provided with a plurality of second gaps which are bent and extended inwards from a second outer edge, and the part of the plate, which is positioned on the inner side of the bent second gap, of the fourth plate is turned over to form the negative power connecting terminal.
Further, at least one first gap is an L-shaped gap or an arc-shaped gap; and/or
At least one of the second slits is an "L-shaped" slit or an "arc-shaped" slit.
Furthermore, a positive input connecting terminal is arranged on the positive main body and is turned over relative to the positive main body; and/or
The negative electrode main body is provided with a negative electrode input connecting terminal, and the negative electrode input connecting terminal is turned over relative to the negative electrode main body.
Furthermore, a U-shaped gap is formed in the positive electrode main body area of the first plate, and the part, located on the inner side of the U-shaped gap, of the first plate is folded to form the positive electrode input connecting terminal; and/or
The negative pole main part of second panel is equipped with "U-shaped" gap in the region, the part that is located "U-shaped" gap inboard of second panel turns over and forms negative pole input connection terminal.
Further, a first insulating layer is arranged between the anode main body and the cathode main body, a second insulating layer is arranged on one side, deviating from the cathode main body, of the anode main body, and a third insulating layer is arranged on one side, deviating from the anode main body, of the cathode main body.
The laminated busbar provided by the invention has the beneficial effects that: compared with the prior art, the positive power connecting terminals and the negative power connecting terminals of the laminated busbar are arranged at intervals, the positive connecting terminal panel is twisted relative to the positive main body, the negative connecting terminal panel is twisted relative to the negative main body, and one side of the panel surface of the positive connecting terminal panel faces one side of the panel surface of the negative connecting terminal panel; the positive electrode connecting terminal panel and the negative electrode connecting terminal panel can be enlarged towards the proper extension direction of the respective panels without shortening the distance between the positive electrode connecting terminal panel and the negative electrode connecting terminal panel, namely, a larger distance can be kept between the positive electrode power connecting terminal and the negative electrode power connecting terminal, and the proper section sizes of the positive electrode power connecting terminal and the negative electrode power connecting terminal can be determined according to the use requirements; on one hand, overlarge unit overcurrent caused by small cross section sizes of the positive power connecting terminal and the negative power connecting terminal can be effectively avoided, and overhigh heating of the positive power connecting terminal and the negative power connecting terminal is avoided; on the other hand, the positive power connecting terminal and the negative power connecting terminal can be in full contact with the ambient air, so that the quick heat dissipation of the positive power connecting terminal and the negative power connecting terminal is facilitated; on the other hand, insulation measures do not need to be taken between the positive power connecting terminal and the negative power connecting terminal, so that the insulation material is saved, and the influence of the insulation material on the heat dissipation of the positive power connecting terminal and the negative power connecting terminal is avoided; on the other hand, the creepage distance between the positive power connecting terminal and the negative power connecting terminal is favorably increased, and the safety of the laminated busbar is improved; the laminated busbar has the advantages of less heat generation, quick heat dissipation, simple structure, safety, reliability and continuous and good performance.
The second objective of the present invention is to provide a power module to solve the technical problems of large overcurrent per unit area, high heat generation, slow heat dissipation, easy overheating, and affecting the working performance of the power module in the prior art for the positive power connection terminal and the negative power connection terminal.
In order to achieve the purpose, the invention adopts the technical scheme that: the power module comprises a power device, a capacitor device and the laminated busbar, wherein the power device is connected to the positive connecting terminal panel and the negative connecting terminal panel, and the capacitor device is connected to the positive main body and the negative main body.
Further, the power device comprises a first pin connected with the positive power connecting terminal, a second pin connected with the negative power connecting terminal and a third pin used for being connected with a load; the first pin is located on one side of the positive connecting terminal panel facing the negative power connecting terminal, and the second pin is located on one side of the negative connecting terminal panel facing the positive power connecting terminal.
The power module provided by the invention has the beneficial effects that: compared with the prior art, the power module provided by the invention adopts the laminated busbar, so that the power module has the advantages of less heat generation, quick heat dissipation, large creepage distance, and good safety performance and service performance.
The invention further aims to provide a power module to solve the technical problems that the unit area of a positive power connecting terminal and a negative power connecting terminal has large overcurrent, high heat generation, slow heat dissipation and easy overheating, and the working performance of the power module is influenced in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: providing a power module, which comprises a power device, a capacitor device and the laminated busbar, wherein the capacitor device is connected to the positive main body and the negative main body; the power device comprises a first pin, a second pin and a third pin used for being connected with a load; the first pin is located the positive pole connecting terminal panel towards one side of negative pole power connecting terminal and with first connecting piece face contact is connected, the second pin is located the negative pole connecting terminal panel towards one side of positive pole power connecting terminal and with the second connecting piece face contact is connected.
Further, the first connecting piece is used for being connected with the first pin in a welding mode or through a fastener, and the second connecting piece is used for being connected with the second pin in a welding mode or through a fastener.
The power module provided by the invention has the beneficial effects that: compared with the prior art, the power module provided by the invention adopts the laminated busbar, so that the power module has the advantages of less heat generation, quick heat dissipation, large creepage distance, and good safety performance and service performance.
The fourth objective of the present invention is to provide a vehicle, so as to solve the technical problems existing in the prior art that the overcurrent per unit area of the positive power connection terminal and the negative power connection terminal is large, the heat generation is high, the heat dissipation is slow, the overheating is easy, and the working performance of the power module is affected.
In order to achieve the purpose, the invention adopts the technical scheme that: a vehicle is provided that includes the aforementioned power module.
The beneficial effects of the vehicle provided by the invention are as follows: compared with the prior art, the vehicle provided by the invention adopts the power module which has the advantages of less heat production, quick heat dissipation, large creepage distance, and good safety performance and use performance, so that the use safety of the vehicle is favorably ensured.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is an exploded view of a prior art laminated busbar;
fig. 2 is an exploded view of the positive bus bar and the negative bus bar in fig. 1;
fig. 3 is a schematic structural view of the negative busbar in fig. 1;
fig. 4 is a schematic structural diagram of the negative electrode busbar in fig. 1 in a flattened state;
fig. 5 is a schematic structural diagram of a busbar power module in the prior art;
fig. 6 is an exploded view of a laminated busbar according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of the positive busbar in fig. 6;
fig. 8 is a schematic structural view of the positive busbar in fig. 6 in a flattened state;
fig. 9 is a first schematic structural diagram of a busbar power module according to an embodiment of the present invention;
fig. 10 is a second schematic structural diagram of a busbar power module according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
1001-positive bus bar; 1014-positive power connection terminal; 1002-negative electrode bus bar; 1024-negative power connection terminal; 1003-power device; 1033-third pin; 1004-a capacitive device; 1005-a first insulating layer; 1006 — a second insulating layer; 1007-a third insulating layer;
2001-positive bus bar; 2011-positive body; 2012-positive dc input terminal; 2013-positive input connection terminal; 2014 — positive power connection terminal; 2141-a first connecting piece; 2142 — a positive connection terminal panel; 2015-positive connector; 2016 — a first separation gap; 2017-a first slit; 2018-U-shaped gap;
2002-a negative electrode bus bar; 2021-negative electrode body; 2022-negative dc input terminal; 2023-negative input connection terminal; 2024-negative power connection terminal; 2241-a second connecting sheet; 2242-negative connection terminal panel; 2025-negative electrode connector;
2003-a power device; 2031 — first pin; 2032 — a second pin; 2033-a third pin;
2004-a capacitive device; 2005-a first insulating layer; 2006-a second insulating layer; 2007-third insulating layer.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 6 to 10, a laminated busbar according to an embodiment of the present invention will be described. The laminated busbar comprises a positive busbar 2001 and a negative busbar 2002; the positive electrode busbar 2001 comprises a positive electrode power connecting terminal 2014 and a positive electrode main body 2011, wherein the positive electrode power connecting terminal 2014 comprises a positive electrode connecting terminal panel 2142 which is connected to one side of the positive electrode main body 2011 and is used for connecting the power device 2003; the negative busbar 2002 comprises a negative power connection terminal 2024 and a negative main body 2021, wherein the negative power connection terminal 2024 comprises a negative connection terminal panel 2242 which is connected to one side of the negative main body 2021 and is used for connecting a power device 2003; the positive electrode main body 2011 and the negative electrode main body 2021 are stacked in an insulating manner, the positive power connection terminal 2014 and the negative power connection terminal 2024 are arranged at an interval, the positive electrode connection terminal panel 2142 is twisted with respect to the positive electrode main body 2011, the negative electrode connection terminal panel 2242 is twisted with respect to the negative electrode main body 2021, and the plate surface side of the positive electrode connection terminal panel 2142 faces the plate surface side of the negative electrode connection terminal panel 2242.
Compared with the prior art, the laminated busbar provided by the invention has the advantages that the positive power connecting terminals 2014 and the negative power connecting terminals 2024 are arranged at intervals, the positive connecting terminal panel 2142 is twisted relative to the positive main body 2011, the negative connecting terminal panel 2242 is twisted relative to the negative main body 2021, and one side of the panel surface of the positive connecting terminal panel 2142 faces one side of the panel surface of the negative connecting terminal panel 2242; in this way, the positive connection terminal panel 2142 and the negative connection terminal panel 2242 can be enlarged in the appropriate extension direction of the respective panels without shortening the distance therebetween, that is, the appropriate cross-sectional dimensions of the positive power connection terminal 2014 and the negative power connection terminal 2024 can be determined according to the usage requirements while maintaining a large distance between the positive power connection terminal 2014 and the negative power connection terminal 2024; on one hand, the excessive unit overcurrent caused by the small cross-sectional size of the positive power connecting terminal 2014 and the negative power connecting terminal 2024 can be effectively avoided, and the excessive heating of the positive power connecting terminal 2014 and the negative power connecting terminal 2024 can be avoided; on the other hand, the positive power connection terminal 2014 and the negative power connection terminal 2024 can be in full contact with the surrounding air, so that the quick heat dissipation of the positive power connection terminal 2014 and the negative power connection terminal 2024 is facilitated; on the other hand, insulation measures do not need to be taken between the positive power connecting terminal 2014 and the negative power connecting terminal 2024, so that the insulation material is saved, and the influence of the insulation material on the heat dissipation of the positive power connecting terminal 2014 and the negative power connecting terminal 2024 is also avoided; on the other hand, the creepage distance between the positive power connecting terminal 2014 and the negative power connecting terminal 2024 is increased, and the safety of the laminated busbar is improved; the laminated busbar has the advantages of less heat generation, quick heat dissipation, simple structure, safety, reliability and continuous and good performance.
Preferably, the plate surface of the positive connection terminal panel 2142 is parallel to the plate surface of the negative connection terminal panel 2242. This is more advantageous for increasing the distance between the positive power connection terminal 2014 and the negative power connection terminal 2024, and for maintaining the positive power connection terminal 2014 and the negative power connection terminal 2024 with good performance.
Specifically, the positive connection terminal panel 2142 may be twisted with respect to the positive body 2011 by an angle of 90 ° (see fig. 7), or less than 90 °. The negative connection terminal panel 2242 may be twisted at an angle of 90 ° (see fig. 6) with respect to the negative body 2021, or may be less than 90 °.
Preferably, the positive electrode main body 2011 and the negative electrode main body 2021 are each in a sheet shape and stacked in parallel. Therefore, the position relation between the power device 2003 and the anode main body 2011 and the position relation between the power device 2003 and the cathode main body 2021 can be optimized, so that the structure of the laminated busbar is more compact, and the occupied space is less.
Preferably, the positive electrode main body 2011, the positive electrode direct current input terminal 2012, the positive electrode input connection terminal 2013 and the positive electrode power connection terminal 2014 are integrally formed, so that connection failure between each positive electrode terminal and the positive electrode main body 2011 can be avoided, and the safety and the overall performance of the positive electrode busbar 2001 are improved.
Preferably, the negative electrode main body 2021, the negative electrode direct current input terminal 2022, the negative electrode input connection terminal 2023, and the negative electrode power connection terminal 2024 are integrally formed, so that connection failure between each negative electrode terminal and the negative electrode main body 2021 can be avoided, and safety and overall performance of the negative electrode busbar 2002 are improved.
Further, referring to fig. 7, as a specific embodiment of the laminated busbar provided by the present invention, the positive busbar 2001 further includes a positive connector 2015, the positive connector 2015 is connected to the positive main body 2011, and one side of the positive connector 2015 is folded back relative to the positive main body 2011; one end of the positive connection terminal panel 2142 is connected to the positive connector 2015, and the other end is turned over with respect to the positive connector 2015; the positive main body 2011, the positive connector 2015 and the positive connecting terminal panel 2142 are integrated, and the positive busbar 2001 is formed by bending, so that the connection of the positive main body 2011, the positive connector 2015 and the positive connecting terminal panel 2142 is more reliable, overheating caused by poor connection between the positive main body 2011 and the positive connector 2015 can be effectively avoided, and the positive busbar 2001 can be kept in good performance all the time.
Further, referring to fig. 6, as a specific embodiment of the laminated busbar provided by the present invention, the negative busbar 2002 further includes a negative connector 2025, the negative connector 2025 is connected to the negative main body 2021, and one side of the negative connector 2025 is folded relative to the negative main body 2021; one end of the negative connection terminal panel 2242 is connected to the negative connector 2025, and the other end is folded over with respect to the negative connector 2025; the negative electrode main body 2021, the negative electrode connector 2025 and the negative electrode connecting terminal panel 2242 are integrated and are bent to form the negative electrode busbar 2002, so that the connection of the negative electrode main body 2021, the negative electrode connector 2025 and the negative electrode connecting terminal panel 2242 is more reliable, overheating caused by poor connection among the negative electrode main body, the negative electrode connector 2025 and the negative electrode connecting terminal panel 2242 can be effectively avoided, and the negative electrode busbar 2002 can be kept with good performance all the time.
Further, referring to fig. 6, as a specific embodiment of the laminated busbar provided by the present invention, one side of the positive electrode connector 2015 is connected to one side of the positive electrode main body 2011, so that the connection between the positive electrode connector 2015 and the positive electrode main body 2011 is simpler; one side of the negative connector 2025 is connected with one side of the negative main body 2021, so that the connection between the negative connector 2025 and the negative main body 2021 is simpler; preferably, one side of the positive electrode connector 2015 is connected to one side of the positive electrode main body 2011 and one side of the negative electrode connector 2025 is connected to one side of the negative electrode main body 2021; thus, the connection between the positive electrode main body 2011 and the positive electrode connector 2015 and the connection between the negative electrode main body 2021 and the negative electrode connector 2025 are simplified.
Further, referring to fig. 6 to 8 together, as a specific embodiment of the laminated busbar provided by the present invention, the positive electrode main body 2011, the positive electrode connector 2015 and the positive electrode connection terminal panel 2142 are made of a first plate material, and the first plate material is provided with a first separation gap 2016 extending from one end of the first plate material to the other end; the first plate material has a region on one side of the first dividing slit 2016 and its extending direction as the plate material of the positive electrode main body 2011, and a region on the other side as the plate material of the positive electrode connector 2015 and the positive electrode connection terminal panel 2142; the first plate is folded by taking the extending direction of the first separating gap 2016 as a folding line to form a positive electrode connector 2015, and the boundary line between the plate of the positive electrode connector 2015 and the plate of the positive electrode connecting terminal panel 2142 is taken as a folding line to form a positive electrode connecting terminal panel 2142; the cathode main body 2021, the cathode connector 2025 and the cathode connection terminal panel 2242 are made of a second plate material, and a second separation gap extending from one end of the second plate material to the other end is formed in the second plate material; the area of the second plate material on one side of the second separation gap and the extending direction thereof is the plate material of the negative electrode main body 2021, and the area on the other side is the plate material of the negative electrode connector 2025 and the negative electrode connection terminal panel 2242; the second plate material is folded over with the extending direction of the second separation slit as a folding line to form the negative electrode connector 2025, and the second plate material is folded over with the boundary line between the plate material of the negative electrode connector 2025 and the plate material of the negative electrode connection terminal panel 2242 as a folding line to form the negative electrode connection terminal panel 2242. In this way, in the process of manufacturing the positive busbar 2001 by using the first plate, only the material at the first separation gap 2016 is required to be removed; in the process of manufacturing the negative busbar 2002 by using the second material, only the material at the second separation gap needs to be removed; the cutting material is less, and the material is saved compared with the prior art.
Further, referring to fig. 6, as a specific embodiment of the laminated busbar provided by the present invention, the positive busbar 2001 further includes a positive dc input terminal 2012 disposed on the positive connector 2015; the negative busbar 2002 further includes a negative dc input terminal 2022 disposed on the negative connector 2025. The positive and negative direct current power supplies are respectively connected with the positive busbar 2001 and the negative busbar 2002 through direct current input terminals, positive direct current is input into the positive busbar 2001, and negative direct current is input into the negative busbar 2002; the direct current is conducted to the capacitor device 2004 through the positive input connection terminal 2013 and the input connection terminal of the capacitor, filtered, stabilized and then flows to the positive power connection terminal 2014 and the negative power connection terminal 2024 through the main body of the positive busbar 2001, then flows into the power device 2003 through the positive power connection terminal 2014 and the negative power connection terminal 2024 for inversion, and finally, the alternating current is output from the power output terminal of the power device 2003 to be supplied to a load.
Further, referring to fig. 6, as a specific embodiment of the laminated busbar provided by the present invention, the positive power connection terminal 2014 further includes a plurality of first connection pieces 2141 for connecting pins of the power device 2003, and each of the first connection pieces 2141 is connected to the positive connection terminal panel 2142 and is folded back relative to the positive connection terminal panel 2142; the negative power connection terminal 2024 further includes a plurality of second connection pieces 2241 for connecting pins of the power device 2003, and each of the second connection pieces 2241 is connected to the negative connection terminal panel 2242 and folded back with respect to the negative connection terminal panel 2242. The arrangement of the first connecting piece 2141 is beneficial to the connection between the positive power connecting terminal 2014 and the power device 2003, and the first connecting piece 2141 and the positive connecting terminal panel 2142 are integrally formed, so that the first connecting piece 2141 and the positive connecting terminal panel 2142 are ensured to be well connected, the excessive high heat generation at the connecting part is avoided, and the good performance of the laminated busbar is favorably maintained; similarly, the second connecting sheet 2241 is provided to facilitate the connection between the negative power connection terminal 2024 and the power device 2003, and the second connecting sheet 2241 and the negative connection terminal panel 2242 are integrally formed, so that the second connecting sheet 2241 and the negative connection terminal panel 2242 are connected well and generate less heat.
Further, referring to fig. 6, as an embodiment of the laminated busbar provided by the present invention, each first connecting tab 2141 is disposed on one side of the positive connecting terminal panel 2142; each first connection sheet 2141 is facilitated to be correspondingly connected with each corresponding pin on the power device 2003; each second connecting piece 2241 is arranged on one side of the negative connecting terminal panel 2242; and each second connecting sheet 2241 is favorably connected with each corresponding pin on the power device 2003 correspondingly.
Preferably, each first connection tab 2141 is provided on one side of the positive connection terminal panel 2142 and each second connection tab 2241 is provided on one side of the negative connection terminal panel 2242. It is advantageous that each first connecting piece 2141 and each second connecting piece 2241 can be correspondingly connected with each pin on the power device 2003.
Further, referring to fig. 6, as an embodiment of the laminated busbar provided by the present invention, each first connection tab 2141 extends from the positive connection terminal panel 2142 toward the negative power connection terminal 2024. Thus, when the laminated busbar and the power device 2003 are connected, the pin of the power device 2003 connected with the positive power connection terminal 2014 is located on one side of the positive connection terminal panel 2142 close to the negative connection terminal panel 2242, the positive connection terminal panel 2142 is located on one side of the pin connected with the positive connection terminal panel, which is far away from the other pin, and the distance between the two pins connected with the laminated busbar is fixed, so that the distance between the positive electrode and the negative electrode when the laminated busbar is connected with the power device 2003 is further increased.
Further, referring to fig. 6, as an embodiment of the laminated busbar provided by the present invention, each second connecting piece 2241 extends from the negative connecting terminal panel 2242 toward the positive power connecting terminal 2014. In this way, when the laminated busbar and the power device 2003 are connected, the pin of the power device 2003 connected to the negative power connection terminal 2024 is located on the side of the negative connection terminal panel 2242 close to the positive connection terminal panel 2142, the negative connection terminal panel 2242 is located on the side of the pin connected to the negative connection terminal panel, which is away from the other pin, and the distance between the two pins connected to the laminated busbar is constant, so that the arrangement is favorable for further increasing the distance between the positive electrode and the negative electrode when the laminated busbar is connected to the power device 2003.
Preferably, each first connection tab 2141 extends from the positive connection terminal panel 2142 toward the negative power connection terminal 2024 and each second connection tab 2241 extends from the negative connection terminal panel 2242 toward the positive power connection terminal 2014. Thus, in a state where the laminated busbar and the power device 2003 are connected, the pin of the power device 2003 connected to the negative power connection terminal 2024 is located on one side of the negative connection terminal panel 2242 close to the positive connection terminal panel 2142, the pin of the power device 2003 connected to the positive power connection terminal 2014 is located on one side of the positive connection terminal panel 2142 close to the negative connection terminal panel 2242, that is, the positive connection terminal panel 2142 and the negative connection terminal panel 2242 are located on one side of the two pins connected to each other and away from the other pin, and the distance between the laminated busbar and the positive electrode and the negative electrode of the power device 2003 in the connected state is the distance between the two pins, so that the distance between the positive electrode and the negative electrode is increased to the maximum extent, which is favorable for the laminated busbar to dissipate heat quickly, and is favorable for increasing the creepage distance, so that the laminated.
Further, referring to fig. 6, as a specific embodiment of the laminated busbar according to the present invention, the first connecting piece 2141 is an independent structure fixed on the positive connecting terminal panel 2142, or the first connecting piece 2141 and the positive connecting terminal panel 2142 are an integrated structure; the first connection piece 2141 is arranged to facilitate the connection of the positive power connection terminal 2014 with the power device 2003, and the independent structure of the first connection piece 2141 is more beneficial to selecting different positions of the first connection piece 2141; the first connection tab 2141 integrally formed with the positive connection terminal panel 2142 is more firmly connected to the positive connection terminal panel 2142, and thus, excessive heat generation due to poor connection can be more effectively avoided.
Further, referring to fig. 6, as a specific embodiment of the laminated busbar provided by the present invention, the second connecting piece 2241 is an independent structure fixed on the negative connection terminal panel 2242, or the second connecting piece 2241 and the negative connection terminal panel 2242 are an integrated structure. The second connecting sheet 2241 is arranged to facilitate connection of the negative power connecting terminal 2024 and the power device 2003, and the second connecting sheet 2241 in a separate structure is more beneficial to selecting different positions of the second connecting sheet 2241; second connection piece 2241 and negative pole connecting terminal panel 2242 of structure as an organic whole with negative pole connecting terminal panel 2242 are connected more firmly, also can more effectively avoid because of the bad heat production that causes of connection too high.
Further, referring to fig. 6 and fig. 8 together, as a specific embodiment of the laminated busbar provided by the present invention, the positive power connection terminal 2014 is made of a third plate, one side of the third plate is provided with a plurality of first slits 2017 bent and extending inward from the first outer edge, and a portion of the third plate located inside the bent first slits 2017 is folded to form the positive power connection terminal 2014; thus, the positive connection terminal panel 2142 and the first connection piece 2141 are an integral structure, the connection between the first connection piece 2141 and the positive connection terminal panel 2142 is more secure, and the excessive heat generation at the connection position caused by poor connection can be more effectively avoided.
Further, referring to fig. 6, as an embodiment of the laminated busbar provided by the present invention, the negative power connection terminal 2024 is made of a fourth plate, one side of the fourth plate is provided with a plurality of second slits extending from the second outer edge to the inside, and a portion of the fourth plate located inside the second slits is folded to form the negative power connection terminal 2024. Negative pole connecting terminal panel 2242 is structure as an organic whole with second connection piece 2241 like this, and second connection piece 2241 is more firm with being connected of negative pole connecting terminal panel 2242, also can more effectively avoid because of the junction heat production that bad connection caused too high.
Further, referring to fig. 8, as an embodiment of the laminated busbar provided by the present invention, at least one first slit 2017 is an "L-shaped" slit or an "arc-shaped" slit; this facilitates the folding to form the first connecting piece 2141, and the structure is simple.
Further, referring to fig. 6, as an embodiment of the laminated busbar provided by the present invention, at least one second slit is an "L-shaped" slit or an "arc-shaped" slit. This is favorable to turning over and form second connection piece 2241, and simple structure.
Further, referring to fig. 6, as a specific embodiment of the laminated busbar provided by the present invention, a positive input connection terminal 2013 is disposed on the positive main body 2011, and the positive input connection terminal 2013 is folded over with respect to the positive main body 2011; in this way, the positive input connection terminal 2013 and the positive body 2011 are integrated, so that the connection between the positive input connection terminal 2013 and the positive body 2011 is firmer, and the phenomenon that the heat generation at the joint is too high due to poor connection can be avoided more effectively.
Further, referring to fig. 6, as a specific embodiment of the laminated busbar provided by the present invention, a negative input connection terminal 2023 is disposed on the negative main body 2021, and the negative input connection terminal 2023 is folded over with respect to the negative main body 2021. Thus, the negative input connection terminal 2023 and the negative body 2021 are integrated, so that the connection between the negative input connection terminal 2023 and the negative body 2021 is firmer, and the excessive heat generation at the connection position caused by poor connection can be avoided more effectively.
Further, referring to fig. 6, as a specific embodiment of the laminated busbar provided by the present invention, a "U-shaped" slit 2018 is disposed in an area of the positive electrode main body 2011 of the first plate, and a portion of the first plate located inside the "U-shaped" slit 2018 is folded to form a positive electrode input connection terminal 2013; this is advantageous in that the positive input connection terminal 2013 is folded from the positive body 2011, and the structure is simple.
Further, referring to fig. 6, as a specific embodiment of the laminated busbar provided by the present invention, a "U-shaped" slit is disposed in a negative electrode main body 2021 area of the second plate, and a portion of the second plate located inside the "U-shaped" slit is folded to form a negative electrode input connection terminal 2023; this facilitates the formation of the negative input connection terminal 2023 by folding back from the negative main body 2021, and has a simple structure.
Further, referring to fig. 6, as a specific embodiment of the laminated busbar provided by the present invention, a first insulating layer 2005 is disposed between the positive electrode main body 2011 and the negative electrode main body 2021, a second insulating layer 2006 is disposed on a side of the positive electrode main body 2011 away from the negative electrode main body 2021, and a third insulating layer 2007 is disposed on a side of the negative electrode main body 2021 away from the positive electrode main body 2011. The first insulating layer 2005 is arranged to insulate the positive main body 2011 from the negative main body 2021, the second insulating layer 2006 is arranged to effectively prevent current from being generated between the positive main body 2011 and an external conductor, and the third insulating layer 2007 is arranged to effectively prevent current from being generated between the negative main body 2021 and the external conductor, so that normal operation of the laminated busbar and the external conductor is prevented from being affected, and the laminated busbar is ensured to be safe to operate.
Preferably, the first insulating layer 2005, the second insulating layer 2006, and the third insulating layer 2007 are made of a high temperature resistant material. The laminated busbar is high in temperature due to the fact that a large amount of heat is easily generated in the working process of the laminated busbar, the first insulating layer 2005, the second insulating layer 2006 and the third insulating layer 2007 which are made of high-temperature resistant materials can be good in insulating performance under a high-temperature condition, the insulating performance between the positive busbar 2001 and the negative busbar 2002 is effectively guaranteed, the insulating performance between the laminated busbar and an external conductor is guaranteed, and normal operation and safe operation of the laminated busbar are guaranteed.
The materials of the first insulating layer 2005, the second insulating layer 2006, and the third insulating layer 2007 are preferably high-temperature-resistant materials such as polyethylene terephthalate and epoxy resin. Can effectively ensure the insulation effect under the high-temperature condition.
Referring to fig. 6 to fig. 10, a power module according to an embodiment of the invention will now be described. The power module comprises a power device 2003, a capacitor device 2004 and the laminated busbar, wherein the power device 2003 is connected to the positive connecting terminal panel 2142 and the negative connecting terminal panel 2242, and the capacitor device 2004 is connected to the positive main body 2011 and the negative main body 2021.
Compared with the prior art, the power module provided by the invention adopts the laminated busbar, so that the power module has the advantages of less heat generation, quick heat dissipation, large creepage distance and good safety performance and use performance.
Further, referring to fig. 9 and fig. 10 together, as an embodiment of the laminated busbar according to the present invention, the power device 2003 includes a first pin 2031 connected to the positive power connection terminal 2014, a second pin 2032 connected to the negative power connection terminal 2024, and a third pin 2033 for connecting to a load; the first pin 2031 is located on the side of the positive connection terminal panel 2142 facing the negative power connection terminal 2024, and the second pin 2032 is located on the side of the negative connection terminal panel 2242 facing the positive power connection terminal 2014. Thus, when the laminated busbar is connected with the power device 2003, the distance between the anode and the cathode is the distance between the first pin 2031 and the second pin 2032, so that the distance between the anode and the cathode is increased to the maximum extent, the laminated busbar can dissipate heat quickly, the creepage distance can be increased, and the laminated busbar can operate continuously, safely and efficiently.
Further, referring to fig. 9 and fig. 10 together, as an embodiment of the laminated busbar provided by the present invention, the first pin 2031 is located on a side of the positive connection terminal panel 2142 facing the negative power connection terminal 2024 and is in surface contact with the first connection piece 2141, and the second pin 2032 is located on a side of the negative connection terminal panel 2242 facing the positive power connection terminal 2014 and is in surface contact with the second connection piece 2241. The power module has the advantages of less heat generation, quick heat dissipation, large creepage distance and good safety performance and use performance.
Further, referring to fig. 9 and 10 together, as an embodiment of the laminated busbar provided by the present invention, the first connecting piece 2141 is used for being welded or connected through a fastener with the first lead 2031, and the second connecting piece 2241 is used for being welded or connected through a fastener with the second lead 2032. The tightness of connection can be better guaranteed by welding or fastener connection, falling and poor contact are avoided, connection is guaranteed to be continuous and good, and the working performance of the power module is guaranteed to be continuous and good.
A vehicle provided by an embodiment of the present invention will now be described. A vehicle comprising the aforementioned power module; the power module which generates less heat, dissipates heat quickly, has large creepage distance and good safety performance and service performance is adopted, so that the service safety of the vehicle is ensured.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (18)
1. The laminated busbar comprises a positive busbar and a negative busbar; the positive electrode bus bar comprises a positive electrode power connecting terminal and a positive electrode main body, wherein the positive electrode power connecting terminal comprises a positive electrode connecting terminal panel which is connected to one side of the positive electrode main body and is used for connecting a power device; the negative electrode bus bar comprises a negative electrode power connecting terminal and a negative electrode main body, and the negative electrode power connecting terminal comprises a negative electrode connecting terminal panel which is connected to one side of the negative electrode main body and is used for connecting the power device; the method is characterized in that: the positive electrode main body and the negative electrode main body are stacked in an insulating manner, the positive power connecting terminals and the negative power connecting terminals are arranged at intervals, the positive connecting terminal panel is twisted relative to the positive electrode main body, the negative connecting terminal panel is twisted relative to the negative electrode main body, and one side of the plate surface of the positive connecting terminal panel faces one side of the plate surface of the negative connecting terminal panel;
the positive busbar also comprises a positive connector, the positive connector is connected to the positive main body, and one side of the positive connector is turned over relative to the positive main body; one end of the positive connecting terminal panel is connected to the positive connecting body, and the other end of the positive connecting terminal panel is turned over relative to the positive connecting body; and/or the presence of a gas in the gas,
the negative busbar also comprises a negative connector, the negative connector is connected to the negative main body, and one side of the negative connector is turned over relative to the negative main body; one end of the negative connecting terminal panel is connected with the negative connecting body, and the other end of the negative connecting terminal panel is turned over relative to the negative connecting body.
2. The laminated busbar of claim 1, wherein:
one side of the positive electrode connector is connected with one side of the positive electrode main body; and/or the presence of a gas in the gas,
one side of the negative electrode connector is connected with one side of the negative electrode main body.
3. The laminated busbar of claim 2, wherein: the positive electrode main body, the positive electrode connector and the positive electrode connecting terminal panel are made of a first plate, and a first separation gap extending from one end of the first plate to the other end is formed in the first plate; the area of the first plate on one side of the first separation gap and the extending direction of the first separation gap is the plate of the anode main body, and the area on the other side of the first plate is the plate of the anode connector and the anode connecting terminal panel; the first plate is folded by taking the extending direction of the first separation gap as a folding line to form the positive connecting body, and the boundary line of the plate of the positive connecting body and the plate of the positive connecting terminal panel is taken as a folding line to form the positive connecting terminal panel;
the negative electrode main body, the negative electrode connector and the negative electrode connecting terminal panel are made of a second plate, and a second separation gap extending from one end of the second plate to the other end is formed in the second plate; the area of the second plate on one side of the second separation gap and the extending direction of the second separation gap is the plate of the negative main body, and the area on the other side of the second plate is the plate of the negative connector and the negative connecting terminal panel; the second plate is folded and folded by taking the extending direction of the second separation gap as a folding line to form the negative connector, and the boundary line of the plate of the negative connector and the plate of the negative connecting terminal panel is folded and folded by taking the folding line to form the negative connecting terminal panel.
4. A laminated busbar according to any one of claims 1 to 3, wherein: the positive busbar also comprises a positive direct current input terminal arranged on the positive connector; the negative busbar also comprises a negative direct current input terminal arranged on the negative connector.
5. A laminated busbar according to any one of claims 1 to 3, wherein: the positive power connecting terminal also comprises a plurality of first connecting sheets used for connecting pins of the power device, and each first connecting sheet is connected to the positive connecting terminal panel and is turned over relative to the positive connecting terminal panel; and/or the presence of a gas in the gas,
the negative power connecting terminal further comprises a plurality of second connecting pieces used for connecting pins of the power device, and each second connecting piece is connected to the negative connecting terminal panel and is turned over relative to the negative connecting terminal panel.
6. The laminated busbar of claim 5, wherein: each first connecting piece is arranged on one side of the positive connecting terminal panel; and/or the presence of a gas in the gas,
each second connecting sheet is arranged on one side of the negative connecting terminal panel.
7. The laminated busbar of claim 5, wherein: each of the first connection pieces extends from the positive connection terminal panel toward the negative power connection terminal; and/or the presence of a gas in the gas,
each second connecting piece extends from the negative connecting terminal panel towards the positive power connecting terminal.
8. The laminated busbar of claim 5, wherein: the first connecting piece is an independent structure fixedly arranged on the positive connecting terminal panel, or the first connecting piece and the positive connecting terminal panel are of an integrated structure; and/or
The second connecting piece is an independent structure fixedly arranged on the negative connecting terminal panel, or the second connecting piece and the negative connecting terminal panel are of an integral structure.
9. The laminated busbar of claim 7, wherein: the positive power connecting terminal is made of a third plate, a plurality of first gaps which are bent and extended inwards from a first outer edge are formed in one side of the third plate, and a part of the plate, located on the bent inner side of the first gaps, of the third plate is folded to form the positive power connecting terminal; and/or the presence of a gas in the gas,
the negative power connecting terminal is made by a fourth plate, one side of the fourth plate is provided with a plurality of second gaps which are bent and extended inwards from a second outer edge, and the part of the plate, which is positioned on the inner side of the bent second gap, of the fourth plate is turned over to form the negative power connecting terminal.
10. The laminated busbar of claim 9, wherein: at least one first gap is an L-shaped gap or an arc-shaped gap; and/or
At least one of the second slits is an "L-shaped" slit or an "arc-shaped" slit.
11. The laminated busbar of claim 3, wherein: the positive electrode main body is provided with a positive electrode input connecting terminal, and the positive electrode input connecting terminal is turned over relative to the positive electrode main body; and/or
The negative electrode main body is provided with a negative electrode input connecting terminal, and the negative electrode input connecting terminal is turned over relative to the negative electrode main body.
12. The laminated busbar of claim 11, wherein: a U-shaped gap is formed in the main positive electrode body area of the first plate, and the part, located on the inner side of the U-shaped gap, of the first plate is turned over to form the positive electrode input connecting terminal; and/or
The negative pole main part of second panel is equipped with "U-shaped" gap in the region, the part that is located "U-shaped" gap inboard of second panel turns over and forms negative pole input connection terminal.
13. A laminated busbar according to any one of claims 1 to 3, wherein: the cathode body with be equipped with first insulating layer between the negative pole main part, deviating from of cathode body one side of negative pole main part is equipped with the second insulating layer, deviating from of negative pole main part one side of cathode body is equipped with the third insulating layer.
14. Power module, including power device and capacitive device, its characterized in that: the laminated busbar according to any one of claims 1 to 13, wherein the power device is connected to the positive electrode connection terminal panel and the negative electrode connection terminal panel, and the capacitor device is connected to the positive electrode main body and the negative electrode main body.
15. The power module of claim 14, wherein: the power device comprises a first pin connected with the positive power connecting terminal, a second pin connected with the negative power connecting terminal and a third pin used for being connected with a load; the first pin is located on one side of the positive connecting terminal panel facing the negative power connecting terminal, and the second pin is located on one side of the negative connecting terminal panel facing the positive power connecting terminal.
16. Power module, including power device and capacitive device, its characterized in that: a laminated busbar according to any one of claims 5 to 10, wherein the capacitor device is connected to the positive body and the negative body; the power device comprises a first pin, a second pin and a third pin used for being connected with a load; the first pin is located the positive pole connecting terminal panel towards one side of negative pole power connecting terminal and with first connecting piece face contact is connected, the second pin is located the negative pole connecting terminal panel towards one side of positive pole power connecting terminal and with the second connecting piece face contact is connected.
17. The power module of claim 16, wherein: the first connecting sheet is used for being connected with the first pin in a welding mode or through a fastener, and the second connecting sheet is used for being connected with the second pin in a welding mode or through a fastener.
18. A vehicle, characterized in that: comprising a power module according to claim 14 or 16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810087882.8A CN110098543B (en) | 2018-01-30 | 2018-01-30 | Laminated busbar, power module and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810087882.8A CN110098543B (en) | 2018-01-30 | 2018-01-30 | Laminated busbar, power module and vehicle |
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| CN110098543A CN110098543A (en) | 2019-08-06 |
| CN110098543B true CN110098543B (en) | 2020-11-20 |
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| CN103856074A (en) * | 2012-12-04 | 2014-06-11 | 株式会社电装 | Electric power converter |
| JP2017079560A (en) * | 2015-10-21 | 2017-04-27 | トヨタ自動車株式会社 | Power conversion device |
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| CN110098543A (en) | 2019-08-06 |
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