CN111600169A - Switching copper bar - Google Patents
Switching copper bar Download PDFInfo
- Publication number
- CN111600169A CN111600169A CN202010433306.1A CN202010433306A CN111600169A CN 111600169 A CN111600169 A CN 111600169A CN 202010433306 A CN202010433306 A CN 202010433306A CN 111600169 A CN111600169 A CN 111600169A
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- China
- Prior art keywords
- copper bar
- copper
- bars
- switching
- copper bars
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a switching copper bar, which comprises an insulating seat and a plurality of copper bars, wherein the insulating seat is provided with an upper side and a lower side which are oppositely arranged, the insulating seat is provided with a plurality of mounting holes which penetrate through the upper side and the lower side, and the mounting holes are used for fixedly mounting the switching copper bar; the plurality of copper bars are embedded in the insulating seat, every two adjacent copper bars are arranged in an insulating mode, connecting parts are arranged at two ends of each copper bar respectively, and the connecting parts of each copper bar are exposed out of the upper side of the insulating seat; the lower side of the insulating seat is provided with a heat conduction layer, and the heat conduction layer is in contact with each copper bar. According to the invention, the heat conduction layer directly contacted with the copper bar is arranged on the lower side of the insulation seat, so that the heat dissipation performance of the switching copper bar is improved, and the problems of power limitation, heat management system failure and even fire and the like caused by the out-of-control overheat of the switching copper bar in the use process are avoided.
Description
Technical Field
The invention relates to the field of new energy automobiles, in particular to a switching copper bar.
Background
In the field of new energy automobiles, a driving motor is connected with a driving motor controller through a circuit, the driving motor controller inputs current (such as three-phase current) to the driving motor to drive the motor to rotate, and therefore the automobile is started, and related circuits are connected with the driving motor and the driving motor controller through corresponding electrical components to form a loop.
At present the commonly used high-voltage cable that is connected with connects two kinds with the copper bar, wherein, high-voltage cable connects generally to be used for split type driving motor and driving motor controller, along with the improvement that electric drive system integrated, the distance between driving motor and the driving motor controller is very close, and high-voltage loop passes from the casing is inside to replaced outside high-voltage cable connected mode with switching copper bar or switching copper bar similar structure gradually. But the copper bar connection exists and can generate heat because of the long-time work of copper bar structure, causes the copper bar temperature to rise, and the high temperature can lead to driving motor power to be restricted or other troubles appear, consequently need improve the heat dispersion of copper bar structure.
Disclosure of Invention
The invention mainly aims to provide a switching copper bar and aims to improve the heat dissipation performance of the switching copper bar.
In order to achieve the above object, the present invention provides a switching copper bar, including:
the insulation seat is provided with an upper side and a lower side which are oppositely arranged, a plurality of mounting holes which penetrate through the upper side and the lower side are formed in the insulation seat, and the mounting holes are used for fixedly mounting the switching copper bar; and the number of the first and second groups,
the copper bars are embedded in the insulating seat, every two adjacent copper bars are arranged in an insulating mode, connecting parts are arranged at two ends of each copper bar respectively, and the connecting parts of the copper bars are exposed out of the upper side of the insulating seat;
the lower side of the insulating seat is provided with a heat conduction layer, and the heat conduction layer is in contact with each copper bar.
Optionally, the lower side of the insulating base is provided with a plurality of filling grooves penetrating through the copper bar, and the filling grooves are filled with heat conducting glue correspondingly.
Optionally, two ends of each copper bar are respectively provided with a connecting hole so as to correspondingly form the connecting part;
the switching copper bar still includes a plurality of nuts, and is a plurality of the nut inlays to be located in the insulator tray, and corresponds the branch and locate each the below of connecting hole, the connecting hole with the screw hole intercommunication setting of nut.
Optionally, the switching copper bar further comprises a plurality of supporting sleeves, the supporting sleeves are embedded in the insulating base, and each supporting sleeve is provided with a through hole to form the mounting hole.
Optionally, the support sleeve is a steel sleeve.
Optionally, a gap is reserved between every two adjacent copper bars, and the insulating base is integrally formed on the periphery of the plurality of copper bars and fills the gap.
Optionally, a stopper is formed at a gap between the connecting portions of every two adjacent copper bars in an upward protruding manner.
Optionally, a first connecting portion and a second connecting portion are respectively arranged at two ends of each copper bar, and in the length direction of the copper bars, the plurality of copper bars are arranged in a bent manner towards the same side, so that straight lines where the first connecting portions of the plurality of copper bars are located and straight lines where the second connecting portions of the plurality of copper bars are located are arranged in a crossed manner.
Optionally, the number of the copper bars is three.
In the technical scheme provided by the invention, every two adjacent copper bars are arranged in an insulating way, so that the effective installation work of the electrical equipment connected by the switching copper bars is ensured, meanwhile, the lower sides of the switching copper bars are used for being directly contacted with the installation surface of the switching copper bars when the switching copper bars are fixedly installed through the installation holes, the heat conduction layer directly contacted with the copper bars is arranged on the lower side of the insulating seat, so that the switching copper bars can transfer heat generated in working to the heat conduction glue, and then the heat is transferred to the installation contact surface or the corresponding cooling structure by the heat conduction glue, thereby improving the heat dissipation performance of the switching copper bars, being beneficial to avoiding the problems of power limitation, thermal management system failure and even fire generation and the like caused by the out-of-control of overheating during the use of the switching copper bars, and ensuring the use of the driving motor and the driving motor controller to be, the method is also beneficial to prolonging the durable aging life of parts and reducing the use and maintenance cost of the driving motor.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of an embodiment of a switching copper bar provided in the present invention;
FIG. 2 is a top view of the switching copper bar provided in FIG. 1;
FIG. 3 is a cross-sectional view of section A-A of FIG. 2;
fig. 4 is a bottom view of the switching copper bar provided in fig. 1.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | Switching |
20 | |
| 10 | Insulating |
21 | Connecting |
| 11 | |
30 | Heat-conducting |
| 12 | Filling the |
40 | |
| 13 | |
50 | Support sleeve |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is 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 at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
At present the commonly used high-voltage cable that is connected with connects two kinds with the copper bar, wherein, high-voltage cable connects generally to be used for split type driving motor and driving motor controller, along with the improvement that electric drive system integrated, the distance between driving motor and the driving motor controller is very close, and high-voltage loop passes from the casing is inside to replaced outside high-voltage cable connected mode with switching copper bar or switching copper bar similar structure gradually. But the copper bar connection exists and can generate heat because of the long-time work of copper bar structure, causes the copper bar temperature to rise, and the high temperature can lead to driving motor power to be restricted or other troubles appear, consequently need improve the heat dispersion of copper bar structure.
In view of the above, fig. 1 to 4 show an embodiment of a copper bar according to the present invention. Referring to fig. 1, fig. 2, fig. 3 and fig. 4, in the present embodiment, the switching copper bar 100 includes an insulating base 10 and a plurality of copper bars 20, the insulating base 10 has an upper side and a lower side which are oppositely disposed, a plurality of mounting holes 11 penetrating the upper side and the lower side are formed on the insulating base 10, and the mounting holes 11 are used for fixedly mounting the switching copper bar 100; the plurality of copper bars 20 are embedded in the insulating base 10, every two adjacent copper bars 20 are arranged in an insulating manner, connecting parts are respectively arranged at two ends of each copper bar 20, and the connecting parts of each copper bar 20 are exposed out of the upper side of the insulating base 10; wherein, the lower side of the insulating seat 20 is provided with a heat conduction layer, and the heat conduction layer is in contact with each copper bar 20.
In the technical scheme provided by the invention, every two adjacent copper bars 20 are arranged in an insulating way, so that the effective installation work of the electrical equipment connected by the switching copper bars 100 is ensured, meanwhile, the lower sides of the switching copper bars 100 are used for being in direct contact with the installation surface (such as a shell of a driving motor or a driving motor controller) when the switching copper bars 100 are fixedly installed through the installation holes 11, the heat conduction layer which is in direct contact with the copper bars 20 is arranged on the lower side of the insulating seat 10, so that the switching copper bars 100 can transfer heat generated in the working process to the heat conduction layer, and then the heat conduction layer transfers the heat to the installation contact surface or a corresponding cooling structure, so that the rapid heat conduction of the copper bars 20 is completed, the heat dissipation performance of the switching copper bars 100 is improved, the temperature change amplitude of the copper bars in the working process is reduced, and even the power limitation, the, The thermal management system has faults, even potential safety hazards such as fire and the like, reduces the failure rate of equipment, improves the working efficiency of the equipment, enables the use of electrical equipment to be safer and more reliable, is also favorable for prolonging the durable aging life of parts, and reduces the use and maintenance cost of a driving motor.
The heat conduction layer is disposed on the lower side of the insulating base 10, and a heat conduction material (e.g., heat conduction silica gel) with insulating property and high heat conduction property is directly formed on the lower surface of the insulating base 10 by coating or other methods, in this embodiment, please refer to fig. 4, a plurality of filling grooves 12 penetrating through the insulating base 10 to the copper bar 20 are formed on the lower side of the insulating base 10, and the plurality of filling grooves 12 are filled with the heat conduction gel 30. Specifically, the filling groove 12 is formed by recessing the insulating base 10 inwards, that is, hollowing out a corresponding position on the insulating base 10 to form the filling groove 12, so that the raw material consumption of the insulating base 10 is reduced, and the weight of the insulating base 10 itself is also reduced.
Referring to fig. 1 to 3, in the present embodiment, two ends of each copper bar 20 are respectively provided with a connecting hole 21 to correspondingly form a connecting portion; the switching copper bar still includes a plurality of nuts 40, and a plurality of nuts 40 are inlayed and are located in insulating seat 10, and correspond the branch and locate the below of each connecting hole 21, and connecting hole 21 and the screw hole intercommunication setting of nut 40. So, through embedded nut 40's setting, the fastening connection between copper bar 20 and the connected copper bar has been guaranteed, in order to guarantee the electric conductive property of switching copper bar, and simultaneously, adopt riveting technology coupling nut 40 and copper bar 20, prevent that nut 40 from taking place to rotate and leading to copper bar 20 can't be tightened in tightening process and working process, thereby ensure copper bar 20 and by connectivity and the electric conductivity between the connected copper bar, reduce because of the not tight calorific capacity that produces of laminating between the copper bar 20.
Further, because the insulating seat 10 is usually made of plastic, in order to avoid the undesirable phenomena such as cracking of the mounting hole 11 occurring when the switching copper bar 100 is fixedly mounted through the mounting hole 11, which results in unstable mounting of the switching copper bar 100, in this embodiment, the switching copper bar 100 further includes a plurality of supporting sleeves 50, the plurality of supporting sleeves 50 are embedded in the insulating seat 10, and each supporting sleeve 50 is provided with a through hole to form a mounting hole. Through the arrangement of the supporting sleeve 50, the local rigidity of the mounting hole 11 on the insulating base 10 is enhanced, so as to ensure the mounting stability of the switching copper bar 100.
Furthermore, the support sleeve 50 may be made of any material having a mechanical strength higher than that of the insulating base, and may have an effect of enhancing the local rigidity of the insulating base 10, and is more preferably made of a metal material.
In the present embodiment, referring to fig. 1, the manner of insulating between every two adjacent copper bars 20 is as follows: a gap is reserved between every two adjacent copper bars 20, and the insulating base 10 is integrally formed on the periphery of the copper bars 20 and fills the gap. Specifically, in the process of forming the insulating base 10, the plurality of copper bars 20 are placed according to preset positions, and then the insulating material for forming the insulating base 10 is integrally formed on the periphery of the plurality of copper bars 2 and fills gaps between the connected copper bars 20. Further, nut 40 and support cover 50 inlay and locate inside also can realize through integrated into one piece in insulator seat 10, earlier with a plurality of copper bars 20, a plurality of nuts 40 and a plurality of support cover 50 pass through frock clamp fixed, then through the technology of moulding plastics, the insulating material packing parcel that will do 10 for the shaping insulation is at copper bar 10, nut 40 and support cover 50's outside shaping can, switching copper bar 100 that so makes can satisfy high-voltage apparatus's circuit switching function, the fastening function of switching structure, make the fixed of spare part more reliable, stable, the safe effectual work of electrical equipment has been guaranteed.
As further shown in fig. 1, a stop 13 is formed at the gap between the connecting portions of every two adjacent copper bars 20, and the insulation seat 10 protrudes upward. Through set up the dog between the connecting portion of adjacent copper bar 20, further guaranteed the insulating setting between the adjacent copper bar, reduced the risk that electric leakage or other insulation problems etc. appear.
The specific shape of the insulating base 10 can be adjusted according to the actual installation position, in this embodiment, as shown in fig. 1 and fig. 2, a first connecting portion and a second connecting portion are respectively disposed at two ends of each copper bar 20, and in the length direction of the copper bars 20, the plurality of copper bars 20 are bent toward the same side, so that the straight lines where the first connecting portions of the plurality of copper bars 20 are located and the straight lines where the second connecting portions of the plurality of copper bars 20 are located are arranged in a crossing manner. An included angle formed by a straight line where the first connecting parts of the plurality of copper bars 20 are located and the second connecting parts of the plurality of copper bars 20 is defined as A, and A is more than 0 degrees and less than 180 degrees. In other embodiments of the present invention, the straight line where the first connecting portion of the plurality of copper bars 20 is located and the straight line where the second connecting portion of the plurality of copper bars 20 is located may also be arranged in parallel (i.e., a is 0 ° or a is 180 °), so as to meet the connection requirements of different electrical devices.
Furthermore, the specific number of the copper bars 20 is not limited, and may be 2, 3 or 5, and the like, and when the number of the copper bars 20 is 2, the copper bars are respectively used for correspondingly connecting the positive electrode and the negative electrode of the circuit; in this embodiment, the number of the copper bars 30 is three, and the three copper bars are respectively used for correspondingly connecting three-phase currents to realize transmission of the three-phase currents; when the number of the copper bars 20 is 5, three of the copper bars are used for correspondingly connecting three-phase current, and the remaining two copper bars are used for connecting a neutral line, so that the circuit is protected and the heat conduction is increased.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. The utility model provides a switching copper bar which characterized in that includes:
the insulation seat is provided with an upper side and a lower side which are oppositely arranged, a plurality of mounting holes which penetrate through the upper side and the lower side are formed in the insulation seat, and the mounting holes are used for fixedly mounting the switching copper bar; and the number of the first and second groups,
the copper bars are embedded in the insulating seat, every two adjacent copper bars are arranged in an insulating mode, connecting parts are arranged at two ends of each copper bar respectively, and the connecting parts of the copper bars are exposed out of the upper side of the insulating seat;
the lower side of the insulating seat is provided with a heat conduction layer, and the heat conduction layer is in contact with each copper bar.
2. The adapting copper bar as claimed in claim 1, wherein a plurality of filling grooves are formed on the lower side of the insulating base and penetrate through the copper bar, and heat-conducting glue is filled in each of the filling grooves.
3. The adapting copper bar as claimed in claim 1, wherein two ends of each copper bar are respectively provided with a connecting hole to form the connecting part correspondingly;
the switching copper bar still includes a plurality of nuts, and is a plurality of the nut inlays to be located in the insulator tray, and corresponds the branch and locate each the below of connecting hole, the connecting hole with the screw hole intercommunication setting of nut.
4. The adapting copper bar as claimed in claim 1, wherein the adapting copper bar further comprises a plurality of supporting sleeves, the supporting sleeves are embedded in the insulating base, and each supporting sleeve is provided with a through hole to form the mounting hole.
5. The adapting copper bar as claimed in claim 4, wherein the support sleeve is a steel sleeve.
6. The adapting copper bar as claimed in any one of claims 1 to 4, wherein a gap is reserved between every two adjacent copper bars, and the insulating base is integrally formed on the periphery of the plurality of copper bars and fills the gap.
7. The copper switching bar as claimed in claim 6, wherein a stop is formed on the insulator seat at the gap between the connecting portions of every two adjacent copper bars.
8. The copper bar as claimed in claim 1, wherein the first connecting portion and the second connecting portion are respectively disposed at two ends of each copper bar, and the plurality of copper bars are curved toward the same side in the length direction of the copper bar, so that the straight lines of the first connecting portions of the plurality of copper bars and the straight lines of the second connecting portions of the plurality of copper bars are arranged in a crossing manner.
9. The adapting copper bar as claimed in claim 1, wherein there are three copper bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010433306.1A CN111600169A (en) | 2020-05-18 | 2020-05-18 | Switching copper bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010433306.1A CN111600169A (en) | 2020-05-18 | 2020-05-18 | Switching copper bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111600169A true CN111600169A (en) | 2020-08-28 |
Family
ID=72190456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010433306.1A Pending CN111600169A (en) | 2020-05-18 | 2020-05-18 | Switching copper bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111600169A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204992050U (en) * | 2015-10-10 | 2016-01-20 | 广州汽车集团股份有限公司 | Motor three -phase power pencil interface switching copper bar structure |
| CN110707449A (en) * | 2019-10-08 | 2020-01-17 | 联合汽车电子有限公司 | Three-phase copper bar and electric drive assembly |
-
2020
- 2020-05-18 CN CN202010433306.1A patent/CN111600169A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204992050U (en) * | 2015-10-10 | 2016-01-20 | 广州汽车集团股份有限公司 | Motor three -phase power pencil interface switching copper bar structure |
| CN110707449A (en) * | 2019-10-08 | 2020-01-17 | 联合汽车电子有限公司 | Three-phase copper bar and electric drive assembly |
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Application publication date: 20200828 |