CN113922304B - Bus compact connector - Google Patents
Bus compact connector Download PDFInfo
- Publication number
- CN113922304B CN113922304B CN202111000003.1A CN202111000003A CN113922304B CN 113922304 B CN113922304 B CN 113922304B CN 202111000003 A CN202111000003 A CN 202111000003A CN 113922304 B CN113922304 B CN 113922304B
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- Prior art keywords
- aluminum connecting
- aluminum
- layers
- bus bar
- insulating
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G5/00—Installations of bus-bars
- H02G5/007—Butt joining of bus-bars by means of a common bolt, e.g. splice joint
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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
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/62—Connections between conductors of different materials; Connections between or with aluminium or steel-core aluminium conductors
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- Installation Of Bus-Bars (AREA)
Abstract
The invention relates to the technical field of electric power and discloses a bus compact connector. The invention comprises a connecting plate which is arranged in parallel relatively and provided with a first through hole, an insulating plate provided with a second through hole, an aluminum connecting sheet with copper and tin plated on the surface and an insulating bolt; the insulating plates are stacked between the two layers of connecting plates; every two layers of aluminum connecting sheets are arranged between two adjacent layers of insulating plates, each aluminum connecting sheet is provided with a protruding platform, the corresponding platform of each aluminum connecting sheet is provided with a third through hole, and the thickness of the two superimposed platforms is the same as the thickness of the corresponding bus bar; the insulating bolt has a threaded rod and a nut. The invention can improve the integral mechanical strength, increase the stress area between the aluminum connecting sheets so as to keep the stress balance and prevent the aluminum connecting sheets from being bent and deformed, and meanwhile, the thickness of the two platforms is just the same as that of the bus bar, so that the stress between the aluminum connecting sheets and the bus bar is kept balanced, the gap between the aluminum connecting sheets and the bus bar is prevented, and the phenomenon of heating and burning out is avoided.
Description
Technical Field
The invention relates to the technical field of electric power, in particular to a bus compact connector.
Background
The bus duct is used for a main line of power transmission, and a connector of the bus duct is a connection between a bus duct body unit and a unit, and is called a connector. The prior bus duct connector is mostly provided with a copper conductor connector or an aluminum conductor connector, wherein the copper connector can only be used for a copper conductor bus duct, and the aluminum conductor connector can only be used for an aluminum conductor bus duct. Copper conductor bus duct cost is high, copper resource shortage, and aluminum conductor bus duct cost is low, but aluminum conductor bus is unstable, and the department of the connector is easy to generate heat and burn out, and the reasons are two:
1. the aluminum material is easily oxidized in the air, a layer of aluminum oxide insulating layer is covered on the surface, the conductivity is seriously influenced, after the bus is electrified, the conductor can heat, the oxidation speed is further accelerated, and the connector can be burnt out more easily along with the lengthening of the electrified time;
2. the moment screw is established in the centre of connection piece, when screwing up the moment screw, two connection pieces can press from both sides the busbar of two sections left and right sides bus simultaneously, and the stress point then concentrates on moment screw department, so the connection piece can be bent into the arc, leads to there is the clearance between the left and right sides end of connection piece and the busbar body busbar, causes area of contact to reduce, and the current-carrying also can reduce simultaneously, and then can easily appear generating heat the phenomenon of burning out after the circular telegram.
In addition, if the body bus duct aluminum conductor is connected with the copper connecting sheet connector, because under the condition of electrifying, electrochemical corrosion can be generated by adopting two different materials, the aluminum conductor bus duct is rarely used in engineering, and the rise of the same copper price increases the manufacturing cost for modern construction, and the construction is influenced.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides the bus dense connector, which can improve the reliability due to deformation caused by uneven stress, can prevent the oxidation of the surface of the aluminum material and reduce the probability of being oxidized.
In a first aspect, the bus dense connector according to the embodiment of the invention is used for connecting bus bars of bus slots, and comprises at least two layers of connecting plates, at least two layers of insulating plates, at least two layers of aluminum connecting sheets with surfaces plated with copper and tin, and insulating bolts; the corresponding two layers of connecting plates are oppositely arranged in parallel, and the corresponding two layers of connecting plates are respectively provided with opposite first through holes; at least two layers of insulating plates are sequentially stacked between the two corresponding layers of connecting plates, and each layer of insulating plate is provided with a second through hole communicated with the corresponding first through hole; every two layers of aluminum connecting sheets are arranged between two adjacent layers of insulating plates, the corresponding two layers of aluminum connecting sheets are arranged in parallel relatively, a protruding platform is arranged on one opposite surface of each layer of aluminum connecting sheet, a third through hole communicated with the corresponding first through hole is arranged on the corresponding platform of each layer of aluminum connecting sheet, and the thickness of the two opposite platforms after superposition is the same as the thickness of the corresponding bus bar; the insulating bolt is provided with a screw rod and a nut, the screw rod passes through the corresponding first through hole, second through hole and third through hole and then is in threaded connection with the nut, so that the connecting plate, the insulating plate and the platform are mutually extruded and locked, and two opposite layers of aluminum connecting sheets respectively form busbar mounting grooves capable of clamping and corresponding to the busbar.
The bus dense connector provided by the embodiment of the invention has at least the following beneficial effects: the insulating plate is protected by the connecting plate, the insulating plate is prevented from being worn by extrusion of the insulating bolt, the phenomenon of electric leakage can be prevented, safety and reliability are improved, meanwhile, the connecting plate can be directly replaced when needed, the aluminum connecting plate is provided with the protruding platforms, the two platforms are mutually abutted, the integral mechanical strength can be improved, the stress area between the two aluminum connecting plates is increased, so that the stress between the two aluminum connecting plates is balanced, the situation that the aluminum connecting plates are bent and deformed is prevented, the thickness of the corresponding two platforms is just the same as the thickness of the bus bar, the surface of the aluminum connecting plates is ensured to be completely attached to the surface of the bus bar, the effect of keeping balance due to stress is achieved, gaps are prevented from being formed between the aluminum connecting plates and the bus bar, and further the phenomenon of heating and burning out can be avoided.
According to some embodiments of the present invention, the platform is a polygonal boss, one side of each of the two opposite platforms is provided with a blocking portion, when the two corresponding platforms are abutted against each other, a side surface of each blocking portion is abutted against a side surface of the other platform, and the two corresponding blocking portions can limit rotation of the two opposite aluminum connecting sheets.
According to some embodiments of the invention, the corresponding two said stops face forward.
According to some embodiments of the invention, a first mounting groove capable of accommodating the aluminum connecting sheet is arranged on the side surface of the insulating plate, which is abutted against the corresponding aluminum connecting sheet, and the appearance of the first mounting groove is matched with the appearance of the corresponding aluminum connecting sheet.
According to some embodiments of the invention, the screw rod comprises a screw rod, a connecting plate, a first through hole, a second through hole, a third through hole, a fourth through hole and a fourth through hole.
According to some embodiments of the invention, the spacer is a spring.
According to some embodiments of the invention, a grounding metal sheet is respectively clamped between the opposite connecting plate and the insulating plate, the grounding metal sheet is respectively provided with a fifth through hole which can be penetrated by the screw rod, and a grounding installation groove is arranged between the grounding metal sheet and the connecting plate or between the grounding metal sheet and the insulating plate.
According to some embodiments of the invention, the surface of the insulating plate, which is located on the corresponding grounding metal sheet, is provided with a second mounting groove capable of accommodating the grounding metal sheet, and the shape of the second mounting groove is matched with that of the grounding metal sheet.
According to some embodiments of the invention, two opposite surfaces of the two corresponding insulating plates are provided with first inclined surfaces, and the first inclined surfaces face away from the center of the insulating plate.
According to some embodiments of the invention, two opposite surfaces of the corresponding two layers of aluminum connecting sheets are provided with second inclined surfaces, and the second inclined surfaces face away from the center of the aluminum connecting sheets.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is an exploded view of a bus bar dense connector of an embodiment of the present invention;
FIG. 2 is a schematic view of the aluminum tab of the bus bar dense connector shown in FIG. 1;
FIG. 3 is an assembled schematic view of the bus bar dense connector shown in FIG. 1;
FIG. 4 is an assembled schematic view of the bus bar dense connector and bus bar duct shown in FIG. 1;
FIG. 5 is an assembled schematic view of a bus bar dense connector according to another embodiment of the present invention;
fig. 6 is a schematic structural view of an aluminum tab of the bus bar-intensive connector shown in fig. 5.
Reference numerals:
the connection plate 100, the first through hole 110, the insulation plate 200, the second through hole 210, the first inclined surface 220, the first installation groove 230, the second installation groove 240, the aluminum connection piece 300, the platform 310, the third through hole 320, the second inclined surface 330, the busbar installation groove 340, the insulation bolt 400, the screw 410, the nut 420, the blocking part 500, the gasket 600, the fourth through hole 610, the grounding metal sheet 700, the fifth through hole 710, the grounding installation groove 720, the busbar 800, the busbar 810, and the grounding connection piece 820.
Detailed Description
Reference will now be made in detail to the present embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present invention, but not to limit the scope of the present invention.
In the description of the present invention, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of first, second, etc. if provided for the purpose of distinguishing between technical features only, should not be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present invention can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
1-3, a bus bar dense connector for connecting bus bars 810 of a bus duct 800 according to an embodiment of the present invention includes at least two layers of connection plates 100, at least two layers of insulating plates 200, at least two layers of aluminum connection plates 300 each having copper and tin plated on the surfaces thereof, and insulating bolts 400; the corresponding two layers of connecting plates 100 are oppositely arranged in parallel, and the corresponding two layers of connecting plates 100 are respectively provided with opposite first through holes 110; at least two layers of insulating plates 200 are sequentially stacked between the corresponding two layers of connecting plates 100, and each layer of insulating plates 200 is provided with a second through hole 210 communicated with the corresponding first through hole 110; every two layers of aluminum connecting sheets 300 are arranged between two adjacent layers of insulating plates 200, the corresponding two layers of aluminum connecting sheets 300 are arranged in parallel relatively, and protruding platforms 310 are arranged on the opposite surfaces of the two layers of aluminum connecting sheets 300, third through holes 320 communicated with the corresponding first through holes 110 are arranged on the corresponding platforms 310 of each layer of aluminum connecting sheets 300, and the thickness of the two opposite platforms 310 after superposition is the same as that of the corresponding bus bar 810; the insulating bolt 400 has a screw 410 and a nut 420, wherein the screw 410 passes through the corresponding first through hole 110, second through hole 210 and third through hole 320 and then is in threaded connection with the nut 420, so that the connecting plate 100, the insulating plate 200 and the platform 310 are mutually pressed and locked, and two opposite ends of the two layers of aluminum connecting plates 300 respectively form busbar mounting grooves 340 capable of clamping the corresponding busbar 810.
The aluminum connecting piece 300 with tin and copper plated on the surface is adopted, so that the conductivity of the aluminum connecting piece 300 can be improved, and the probability that the resistance becomes large and heat is generated due to the fact that an oxide layer is formed on the aluminum connecting piece 300 is prevented. Because the overall thickness of the two corresponding platforms 310 is the same as the thickness of the corresponding bus bar 810, the plane between the aluminum connecting sheet 300 and the bus bar 810 can be in a parallel state, and the locking force between the insulating bolts 400 and the whole is mainly applied to the platforms 310, the stress area can be increased due to the planar contact state between the platforms 310, so that the overall state of stress balance is ensured, and the situation that the aluminum connecting sheet 300 is deformed and bent is prevented.
It is conceivable that the thickness of the two platforms 310 after being overlapped is the same as the thickness of the corresponding bus bar 810, wherein one thickness can be a thick point, and the thickness of the other platform 310 can be a thin point, so that the width of the bus bar 810 mounting groove can be the same as the thickness of the corresponding bus bar 810, wherein when the thickness of the two platforms 310 is the same, namely, the two platforms are respectively one row of the corresponding bus bar 810, the mechanical strength between the two platforms is consistent, and the overall stability can be ensured to be kept better.
Specifically, referring to fig. 1 and 4, in the present embodiment, the connection board 100 has two layers, the insulating board 200 has five layers, and the aluminum connection sheets 300 have eight layers in total, after two layers of the insulating board 200 are disposed between the two layers of the insulating board 200 and two opposite platforms 310 are abutted against each other, after the screw 410 of the insulating bolt 400 sequentially passes through the corresponding first through hole 110, the second through hole 210 and the third through hole 320, the two layers of connection boards 100, five layers of insulating board 200 boards and eight layers of aluminum connection boards 100 are sleeved on the screw 410, and the corresponding bus bars 810 are placed in the corresponding bus bar mounting slots 340 in cooperation with the bus bars 810 of the two bus bars 800, and then the nuts 420 and the screw 410 are mutually locked, so that the connection board 100, the insulating board 200, the aluminum connection sheets 300 and the bus bars 810 are mutually tightly abutted against each other, and one-to-one conductive connection between the corresponding bus bars 810 of the two bus bars 800 can be realized through the corresponding two aluminum connection sheets 300. During installation, the platforms 310 are in plane contact, so that the aluminum connecting sheets 300 can be rotated according to the actual position conditions between the bus bar 810 and the aluminum connecting sheets 300, so that the positions between the opposite sides can be conveniently adjusted, the screw 410 can pass through, and the installation efficiency is improved. Note that, the number of the insulating plates 200 and the aluminum connecting pieces 300 is not limited to this, and when the single bus duct 800 is connected, only two layers of the connecting plates 100, the insulating plates 200 and the aluminum connecting pieces 300 are required, and the overall number may be selected according to the actual bus duct 800.
In some embodiments of the present invention, referring to fig. 1, a first mounting groove 230 for accommodating the aluminum connecting piece 300 is provided on a side surface of the insulating plate 200 abutting against the corresponding aluminum connecting piece 300, and the shape of the first mounting groove 230 is adapted to the shape of the corresponding aluminum connecting piece 300. The aluminum connecting sheet 300 and the corresponding insulating plate 200 can be positioned and mounted by matching with the first mounting groove 230, so that the corresponding second through hole 210 and the corresponding third through hole 320 are in quick fit communication, when the screw 410 of the insulating bolt 400 passes through, the screw 410 can pass through quickly, the situation that the aluminum connecting sheet 300 is easy to displace can be prevented, the mounting efficiency of the bus compact connector can be improved, and quick positioning and mounting can be realized.
In some embodiments of the present invention, referring to fig. 1 and 3, two gaskets 600 are further included, the two gaskets 600 are respectively disposed on the sides of the corresponding connection plates 100 facing away from each other, and the two gaskets 600 are respectively provided with fourth through holes 610 through which the screws 410 can pass. By adopting the gasket 600, the contact area between the connection plate 100 and the insulating bolt 400 can be increased, and the abrasion of the connection plate 100 caused by the locking of the screw 410 and the nut 420 can be further reduced.
In some embodiments of the present invention, referring to fig. 1 and 3, the spacer 600 is a spring. The gasket 600 adopts the shell fragment, can further improve the locking force between the whole, promotes the locking force between connecting plate 100, insulation board 200 and the aluminium connection piece 300, prevents the condition that appears not hard up, improves the clamping force to busbar 810, and then can prevent that the condition that the busbar 810 appears breaking away from easily, has further promoted the reliability.
In some embodiments of the present invention, referring to fig. 1 and 3, the ground metal sheets 700 are respectively interposed between the opposite connection plates 100 and the insulation plates 200, the ground metal sheets 700 are respectively provided with fifth through holes 710 through which the screws 410 can pass, and the ground mounting grooves 720 are provided between the ground metal sheets 700 and the connection plates 100 or between the ground metal sheets 700 and the insulation plates 200. The grounding metal sheet 700 and the grounding installation groove 720 are arranged, so that the whole bus intensive connector and the shell of the bus duct 800 can be grounded, during installation, the grounding connecting piece 820 corresponding to the bus duct 800 is embedded in the grounding installation groove 720, the grounding connecting piece 820 and the shell of the bus duct 800 are grounded synchronously, when abnormal conditions such as electric breakdown or electric leakage occur, current can be guided into the ground through the grounding connecting piece 820, the probability of electric shock accidents is reduced, and the safety is improved.
In some embodiments of the present invention, referring to fig. 1 and 3, the surface of the insulating plate 200 located on the corresponding ground plate 700 is provided with a second mounting groove 240 for receiving the ground plate 700, and the shape of the second mounting groove 240 matches the shape of the ground plate 700. By matching with the second mounting groove 240, the grounding metal sheet 700 and the insulating plate 200 can be rapidly positioned and mounted, the fifth through hole 710 is rapidly matched and connected with the corresponding second through hole 210, when the insulating screw 410 is mounted, the screw 410 can rapidly pass through, displacement between the grounding metal sheet 700 and the insulating plate 200 can be avoided, and overall mounting efficiency is improved.
In some embodiments of the present invention, referring to fig. 1 and 3, opposite ends of opposite surfaces of the corresponding two insulating plates 200 are provided with first inclined surfaces 220, and the first inclined surfaces 220 are away from the center of the insulating plate 200.
In some embodiments of the present invention, referring to fig. 1 to 3, two opposite sides of the opposite surfaces of the corresponding two aluminum connection sheets 300 are provided with second inclined surfaces 330, and the second inclined surfaces 330 are away from the center of the aluminum connection sheet 300.
The first inclined plane 220 and the second inclined plane 330 are matched, so that the opening width of the edge of the bus bar mounting groove 340 is increased, the bus bar 810 can be conveniently inserted and removed quickly, meanwhile, the heat dissipation space and the heat dissipation area can be increased, the aluminum connecting sheet 300 and the bus bar 810 can conveniently dissipate heat, and the surface temperature is reduced. In this embodiment, the first inclined surfaces 220 are located at the left and right ends of the insulating plate 200, and the second inclined surfaces are located at the left and right ends of the aluminum connecting piece 300.
In some embodiments of the present invention, referring to fig. 5 and 6, the platforms 310 are polygonal bosses, and each of two opposite platforms 310 is provided with a blocking portion 500 on one side thereof, and when two corresponding platforms 310 are abutted against each other, a side surface of the blocking portion 500 abuts against a side surface of the other platform 310, and two corresponding blocking portions 500 can limit rotation of two opposite aluminum connecting pieces 300. The matching of the blocking parts 500 can realize positioning installation between the two aluminum connecting sheets 300, and can prevent displacement of the two aluminum connecting sheets 300 in the installation process, ensure that the corresponding platforms 310 between the opposite aluminum connecting sheets 300 are in a state of stress balance during locking, and improve the installation efficiency and reliability of the invention. Specifically, in the present embodiment, the platform 310 is quadrilateral. It is conceivable that the platform 310 may be any polygonal shape or may be circular, and may be selected according to the needs of the actual product, and when the surfaces of the two corresponding platforms 310 that are in contact are all planar surfaces, the stress between the two aluminum connecting pieces 300 can be kept balanced.
In some embodiments of the invention, referring to fig. 5, the corresponding two stops 500 are facing in a forward direction. By adopting the opposite mode, the two blocking parts 500 can be ensured to be in a stress balance state, when the insulating screw 410 is locked, the situation that the blocking parts 500 and the aluminum connecting sheet 300 are broken due to unbalanced stress can be prevented, and the reliability is effectively improved. It is conceivable that the aluminum connecting piece 300, the platform 310 and the blocking portion 500 are integrally formed, so that the overall mechanical performance can be improved, and the overall reliability can be improved. Specifically, in this embodiment, the platform 310 is quadrilateral, and the two corresponding blocking portions 500 are opposite to each other, and are located at the left and right sides of the integral bus dense connector, so that positioning and mounting can be implemented on the aluminum connecting pieces 300, meanwhile, rotation between the aluminum connecting pieces 300 can be limited, displacement between the aluminum connecting pieces 300 can be avoided when the screw 410 and the nut 420 are locked, and mounting efficiency and reliability are improved.
According to the bus dense connector provided by the embodiment of the invention, at least some effects can be achieved by arranging the connecting plate 100, the insulating plate 200 can be protected, abrasion of the insulating plate 200 caused by extrusion of the insulating bolt 400 can be prevented, further, electric leakage phenomenon can be prevented, safety and reliability are improved, meanwhile, the connecting plate 100 can be replaced directly when needed, the aluminum connecting plate 300 adopts the protruding platform 310, the two platforms 310 are mutually abutted, the integral mechanical strength can be improved, the stress area between the two aluminum connecting plates 300 is increased, so that stress balance between the two aluminum connecting plates 300 is achieved, the situation that the aluminum connecting plates 300 are bent and deformed by pressure is prevented, the thickness of the corresponding two platforms 310 is just the same as that of the bus bar 810, the surface of the aluminum connecting plates 300 is completely attached to the surface of the bus bar 810, the effect of keeping balance by stress is achieved, gaps between the aluminum connecting plates 300 and the bus bar 810 are prevented, further, the phenomenon of heat generation and damage can be avoided, the aluminum connecting plates 300 are plated with copper and tin structures, the integral cost of the connecting plates can be reduced, the probability of the heat generation of the aluminum connecting plates 300 is improved, the heat generation of the aluminum connecting plates 300 is also can be prevented, and the safety and the reliability of the aluminum connecting plates 300 is greatly reduced, and the heat generation resistance of the aluminum connecting plates 300 is greatly caused by the surface oxidation probability.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. A bus bar dense connector for connecting bus bars of a bus duct, comprising:
two layers of connecting plates are oppositely arranged in parallel, and the corresponding two layers of connecting plates are respectively provided with opposite first through holes;
at least two layers of insulating plates are sequentially stacked between the two corresponding layers of connecting plates, and each layer of insulating plate is provided with a second through hole communicated with the corresponding first through hole;
at least two layers of aluminum connecting sheets with copper and tin plated on the surfaces are respectively arranged between two adjacent layers of insulating plates, the corresponding two layers of aluminum connecting sheets are oppositely arranged in parallel, a protruding platform is arranged on the opposite surface of each layer of aluminum connecting sheet, a third through hole communicated with the corresponding first through hole is arranged on the corresponding platform of each layer of aluminum connecting sheet, and the thickness of the two opposite platforms after superposition is the same as the thickness of the corresponding bus bar; the platform is a polygonal boss, one side of each of the two opposite platforms is provided with a blocking part, when the two corresponding platforms are in mutual abutting joint, the side surfaces of the blocking parts are in abutting joint with the side surfaces of the other platform, and the two corresponding blocking parts can limit the rotation of the two opposite aluminum connecting sheets; the corresponding two blocking parts face forward; the aluminum connecting pieces, the platform and the blocking parts are of an integrally formed structure, and the two corresponding blocking parts are opposite to each other respectively, so that the aluminum connecting pieces can be positioned and mounted, and rotation among the aluminum connecting pieces is limited;
the insulating bolt is provided with a screw rod and a nut, the screw rod passes through the corresponding first through hole, second through hole and third through hole and then is in threaded connection with the nut, so that the connecting plate, the insulating plate and the platform are mutually extruded and locked, and two opposite layers of aluminum connecting sheets respectively form busbar mounting grooves capable of clamping and corresponding to the busbar.
2. The bus bar dense connector of claim 1, wherein: the side face of the insulating plate, which is abutted against the corresponding aluminum connecting sheet, is provided with a first mounting groove capable of accommodating the aluminum connecting sheet, and the appearance of the first mounting groove is matched with the appearance of the corresponding aluminum connecting sheet.
3. The bus bar dense connector of claim 1, wherein: the screw rod is characterized by further comprising two gaskets, wherein the two gaskets are respectively arranged on one sides of the corresponding connecting plates, which are away from each other, and the two gaskets are respectively provided with a fourth through hole through which the screw rod can pass.
4. The bus bar-intensive connector of claim 3, wherein: the gasket is an elastic sheet.
5. The bus bar dense connector of claim 1, wherein: the grounding metal sheets are respectively clamped between the connecting plates and the insulating plates, fifth through holes which can be penetrated by the screw rods are respectively formed in the grounding metal sheets, and grounding installation grooves are formed between the grounding metal sheets and the connecting plates or between the grounding metal sheets and the insulating plates.
6. The bus bar dense connector of claim 5, wherein: the insulating board is located the surface of corresponding ground connection sheetmetal and is equipped with the holding ground connection sheetmetal's second mounting groove, the appearance of second mounting groove with the appearance phase-match of ground connection sheetmetal.
7. The bus bar dense connector of claim 1, wherein: two ends of the opposite surfaces of the corresponding two layers of insulating plates are provided with first inclined planes, and the first inclined planes deviate from the center of the insulating plates.
8. The bus bar dense connector of claim 1, wherein: two opposite surfaces of the corresponding two layers of aluminum connecting sheets are provided with second inclined planes, and the second inclined planes deviate from the center of the aluminum connecting sheets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111000003.1A CN113922304B (en) | 2021-08-27 | 2021-08-27 | Bus compact connector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111000003.1A CN113922304B (en) | 2021-08-27 | 2021-08-27 | Bus compact connector |
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| Publication Number | Publication Date |
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| CN113922304A CN113922304A (en) | 2022-01-11 |
| CN113922304B true CN113922304B (en) | 2023-09-15 |
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| CN117996483A (en) * | 2022-10-27 | 2024-05-07 | 施耐德电气（中国）有限公司 | Bus bar device |
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| KR20080090905A (en) * | 2007-04-06 | 2008-10-09 | 엘에스전선 주식회사 | Joint kit for connecting bus ducts |
| CN202019172U (en) * | 2011-01-14 | 2011-10-26 | 广州市半径电力铜材有限公司 | Novel rotation-preventive connector for insulating plate |
| CN203871483U (en) * | 2014-05-05 | 2014-10-08 | 茨威格电气(北京)有限公司 | Connector |
| CN104283165A (en) * | 2014-10-24 | 2015-01-14 | 江苏万奇电器集团有限公司 | Bus duct for copper and aluminum butt joint and lap joint conducting bars |
| CN204376341U (en) * | 2014-11-28 | 2015-06-03 | 江苏华强电力设备有限公司 | A kind of bus duct special joint device with double locking effect |
| KR20180080815A (en) * | 2017-01-05 | 2018-07-13 | 엘에스전선 주식회사 | busduct joint |
| CN210008687U (en) * | 2018-01-16 | 2020-02-04 | 联毅企业股份有限公司 | Combined frame and laminated board combined hook thereof |
| CN210041234U (en) * | 2018-12-29 | 2020-02-07 | 浩翔电气集团有限公司 | Bus duct joint partition plate |
| CN110416948A (en) * | 2019-08-23 | 2019-11-05 | 上海精成电器成套有限公司 | A kind of structure of the bus duct joint connection component with heat sinking function |
| CN210437606U (en) * | 2019-08-27 | 2020-05-01 | 苏州有才厚片吸塑包装科技有限公司 | Hub tray |
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| Publication number | Publication date |
|---|---|
| CN113922304A (en) | 2022-01-11 |
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