WO2018028015A1

WO2018028015A1 - Line bank structure for motor controller

Info

Publication number: WO2018028015A1
Application number: PCT/CN2016/098494
Authority: WO
Inventors: 刘科
Original assignee: 大洋电机新动力科技有限公司
Priority date: 2016-08-10
Filing date: 2016-09-08
Publication date: 2018-02-15
Also published as: CN106207515B; CN106207515A

Abstract

A line bank structure for a motor controller comprises a plurality of output copper busbars (2) and an insulating mount (1). The output copper busbar (2) is installed in the insulating mount (1). A fixing end (21) of the output copper busbar (2) is locked to the insulating mount (1) by means of a screw (6). An output terminal (22) of the output copper busbar (2) protrudes to the outside of the insulating mount (1). One side of the insulating mount (1) is provided with a travel switch (4). The travel switch (4) is integrated into the insulating mount (1). The invention has a simple structure, thereby facilitating standardization of parts of a product and module integration.

Description

Motor controller terminal block structure

Technical field:

The invention relates to a terminal block structure of a motor controller.

Background technique:

The existing motor controller includes a casing in which a control circuit board is mounted, and a casing is provided on the casing for external wiring, the terminal block includes a plurality of output copper bars and an insulating mounting frame, and the output copper bar is installed at In the insulating mounting frame, one end of the output copper bar is locked on the insulating mounting frame by screws, and the other end protrudes out of the insulating mounting frame. The cover is further provided with an open cover protection limit switch, and a sealing element is further disposed outside the outer casing. These components are relatively fragmented and troublesome to install.

Summary of the invention:

The object of the present invention is to provide a motor controller terminal block structure, which integrates the structure of the output copper bar fixed, the external wiring, and the open cover protection travel switch, thereby improving the standardization and module integration of the product parts.

The object of the present invention is achieved by the following technical solutions.

A motor controller terminal block structure comprises a plurality of output copper bars and an insulating mounting frame, wherein the output copper bars are installed in the insulating mounting frame, and the fixed ends of the output copper bars are locked on the insulating mounting frame by screws, and the output The output end of the copper bar protrudes from the outside of the insulating mounting frame, wherein a trip switch is mounted on one side of the insulating mounting frame.

The insulating mounting frame is provided with a receiving cavity, and the annular magnetic core is mounted in the receiving cavity; the insulating mounting frame protrudes from the bottom of the receiving cavity with a copper row mounting portion, and the copper row mounting portion is located at the center of the annular magnetic core. A plurality of receiving passages are disposed in the copper row mounting portion, and the output copper bars are installed in the receiving passage.

The accommodating cavity is covered with a gasket, and the accommodating cavity is surrounded by a first annular boss. a first edge of the gasket is disposed on the first annular boss to fix the gasket; the gasket is provided with a plurality of through holes corresponding to the receiving passage, The output end of the output copper bar protrudes through the through hole from the outside of the insulating mount.

a second annular boss is disposed on the port of the copper row mounting portion on the receiving channel, and the sealing pad is provided with a plurality of sleeves corresponding to the second annular boss, and the sleeve is sleeved on the second ring Outside the boss, the through hole is located at the top of the sleeve, and the periphery of the through hole protrudes outwardly with a flange surrounding the output end of the output copper bar.

The bottom of the gasket is further provided with a second hem, the first hem and the second hem sandwiching the first annular boss to fix the gasket; the first hem and the second hem A plurality of first protrusions are protruded toward the first annular boss, the first protrusions abutting the first annular boss.

The bottom of the gasket is provided with a plurality of second protrusions, and the second protrusion is pressed on the upper surface of the magnetic core.

The plurality of output copper bars include the first copper row, the second copper row, the third copper row, the fourth copper row and the fifth copper row having the same structure, wherein the first copper row and the second copper row are positive and negative The pole input copper row, the third copper row, the fourth copper row and the fifth copper row are three-phase output copper bars; the magnetic core has two, respectively a DC core and an AC core, and the DC core is placed in the Outside the first copper row and the second copper row, the AC core is sleeved outside the third copper row, the fourth copper row, and the fifth copper row.

The accommodating cavity is provided with a spacer. The spacer divides the accommodating cavity into a first accommodating cavity and a second accommodating cavity, and the DC magnetic core is installed in the first accommodating cavity, and the alternating magnetic field The core is mounted in the second receiving cavity.

a trip switch mounting plate protrudes from a side of the insulating mounting frame, a support frame is arranged at a bottom of the trip switch mounting plate, and the travel switch is mounted on the travel switch mounting plate, and the support frame supports the travel switch bottom.

Compared with the prior art, the invention has the following effects:

1) The one side of the insulating mounting frame protrudes with a travel switch mounting plate, the travel switch mounting plate is equipped with a travel switch, and the travel switch is integrated on the insulating mounting frame, the structure is simple, and the standardization and module integration of the product parts are improved. Chemical

2) The insulating mounting frame is provided with a magnetic core mounted in the accommodating cavity to further improve module integration of the product. Chemical

3) the accommodating cavity is located outside the insulating mounting frame, the accommodating cavity is covered with a sealing pad, the sealing pad is provided with a plurality of through holes, and the output end of the output copper bar is protruded through the through hole In addition to the insulated mounting frame, the gasket provides good insulation and protection for the output copper bar and the toroidal core;

4) The gasket is provided with a plurality of sleeves on the copper row mounting portion, and the periphery of the through hole protrudes outwardly with a convex edge surrounding the output end of the output copper row, and the sleeve and the flange are arranged to ensure the output copper Sealing effect at the output end;

5) the edge of the gasket is provided with a first bead and a second bead to sandwich the first annular boss, and the first bead and the second bead protrude from the first ring to abut the first ring The boss, the arrangement of the first bead, the second bead and the first protrusion ensure the fixing of the gasket, and effectively ensure the sealing of the toroidal core;

6) The bottom of the gasket is provided with a plurality of second protrusions pressed on the upper surface of the toroidal core, and the arrangement of the second protrusions has a good fixing effect on the toroidal core;

7) a spacer is disposed in the accommodating cavity, and the spacer divides the accommodating cavity into a first accommodating cavity and a second accommodating cavity, wherein the DC magnetic core is installed in the first accommodating cavity, and the alternating current The magnetic core is installed in the second accommodating cavity, and the spacer effectively isolates and fixes the DC core and the AC core.

BRIEF DESCRIPTION OF THE DRAWINGS:

1 is a schematic structural view of a motor controller terminal block provided by the present invention;

2 is a top plan view of a motor controller terminal block provided by the present invention;

Figure 3 is a cross-sectional view taken along line A-A of Figure 2;

4 is an exploded view of the components of the motor controller terminal block provided by the present invention;

5 is a schematic structural view of an insulating mounting frame for providing a motor controller terminal block according to the present invention;

6 is a schematic structural view of a gasket for providing a wiring strip of a motor controller according to the present invention;

Figure 7 is a schematic view showing the structure of the gasket at another angle.

detailed description:

The present invention will now be described in further detail by way of specific embodiments and the accompanying drawings.

As shown in FIG. 1 to FIG. 7 , a motor controller terminal block structure provided by this embodiment includes An output copper strip 2 and an insulating mounting frame 1 are mounted, the output copper strip 2 is mounted in the insulating mounting frame 1, and the fixed end 21 of the output copper strip 2 is locked on the insulating mounting frame 1 by screws 6, and the output copper strip is output. The output end 22 of the second embodiment protrudes from the outside of the insulating mounting frame 1, wherein a trip switch 4 is mounted on one side of the insulating mounting frame 1. The travel switch 4 is integrated on the insulating mounting frame 1 and has a simple structure, which improves the standardization and module integration of the product components.

The insulating mounting frame 1 is provided with a receiving cavity 13 in which a toroidal magnetic core is mounted. The insulating mounting frame 1 has a copper row mounting portion 11 protruding from the bottom of the receiving cavity 13, and the copper row mounting portion 11 is located. In the center of the toroidal core, a plurality of receiving passages 111 are disposed in the copper row mounting portion 11, and the output copper bars 2 are installed in the receiving passages 111 to further improve module integration of the products.

The accommodating cavity 13 is covered with a gasket 3, and the accommodating cavity 13 is surrounded by a first annular boss 131. The edge of the gasket 3 is provided with a first rim 331 and a first rim 331. The first annular boss 131 is sleeved on the first annular boss 131 to fix the sealing pad 3; the sealing pad 3 is provided with a plurality of through holes 31 corresponding to the receiving passage 111, and the output end 22 of the output copper bar 2 passes through The through hole 31 protrudes from the outside of the insulating mount 1 . The gasket 3 provides good insulation and protection for the output copper strip 2 and the toroidal core.

A second annular boss 112 is disposed on the port of the copper-plated mounting portion 11 at the receiving passage 111, and the sealing pad 3 is provided with a plurality of sleeves 32 corresponding to the second annular boss 112. The sleeve 32 is sleeved on the outside of the second annular boss 112. The through hole 31 is located at the top of the sleeve 32. The periphery of the through hole 31 protrudes outwardly with a flange 311 surrounding the output end of the output copper strip 2 22) the sleeve 32 The arrangement of the flanges 311 ensures a sealing effect on the output end 22 of the output copper bars 2.

The bottom of the gasket 3 is further provided with a second bead 332, and the first bead 331 and the second bead 332 sandwich the first annular boss 131 to fix the gasket 3; The side 331 and the second bead 332 protrude from the first annular boss 131 by a plurality of first protrusions 333, and the first protrusions 333 abut against the first annular boss 131. The arrangement of the first bead 331, the second bead 332 and the first projection 333 ensures the fixing of the gasket 3, effectively ensuring the sealing of the toroidal core.

The bottom of the gasket 3 is provided with a plurality of second protrusions 34, and the second protrusions 34 are pressed on the upper surface of the toroidal core. The arrangement of the second projections 34 provides a good fixing effect on the magnetic core.

The plurality of output copper bars 2 include the first copper row 23, the second copper row 24, the third copper row 25, the fourth copper row 26 and the fifth copper row 27 of the same structure, wherein the first copper row 23 and The second copper row 24 is a positive and negative input copper row, and the third copper row 25, the fourth copper row 26 and the fifth copper row 27 are three-phase output copper rows; the toroidal magnetic core has two, respectively, DC magnetic The core 51 and the AC core 52, the DC core 51 is sleeved outside the first copper row 23 and the second copper row 24, and the AC core 52 is sleeved on the third copper row 25, the fourth copper row 26 and the Five copper rows are 27 outside.

The accommodating cavity 13 is provided with a spacer 132. The spacer 132 divides the accommodating cavity 13 into a first accommodating cavity 133 and a second accommodating cavity 134. The DC core 51 is mounted on the first accommodating cavity. Within the cavity 133, the AC core 52 is mounted within the second receiving cavity 134. The spacer 132 effectively isolates and fixes the DC core 51 and the AC core 52.

A trip switch mounting plate 12 is protruded from a side of the insulating mounting frame 1 , and a support frame 121 is disposed at a bottom of the trip switch mounting plate 12 . The travel switch 4 is mounted on the trip switch mounting plate 12 , and the support frame 121 The bottom of the travel switch 4 is supported.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto, and any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and scope of the present invention are equivalent. The manner of replacement is included in the scope of protection of the present invention.

Claims

A motor controller terminal block structure comprises a plurality of output copper bars (2) and an insulating mounting frame (1), the output copper bars (2) are installed in the insulating mounting frame (1), and the output copper bars (2) The fixed end (21) is locked on the insulating mounting frame (1) by screws (6), and the output end (22) of the output copper bar (2) protrudes out of the insulating mounting frame (1), and is characterized by: A travel switch (4) is mounted on one side of the insulating mount (1).
The motor controller terminal block structure according to claim 1, wherein the insulating mounting frame (1) is provided with a receiving cavity (13), and the receiving cavity (13) is provided with a toroidal magnetic core. The insulating mounting frame (1) protrudes from the bottom of the accommodating cavity (13) with a copper row mounting portion (11), the copper row mounting portion (11) is located at the center of the annular magnetic core, and the copper row mounting portion (11) is provided A plurality of receiving passages (111) are installed in the receiving passage (111).
The motor controller terminal block structure according to claim 2, wherein the accommodating cavity (13) is covered with a gasket (3), and the accommodating cavity (13) is covered by the first annular convex The table (131) is surrounded by a first bead (331) at the edge of the gasket (3), and a first bead (331) is sleeved on the first annular boss (131) to fix the gasket. (3); the gasket (3) is provided with a plurality of through holes (31) corresponding to the receiving passage (111), and the output end (22) of the output copper row (2) passes through the through hole The hole (31) protrudes out of the insulating mount (1).
A motor controller terminal block structure according to claim 3, wherein the copper row mounting portion (11) is provided with a second annular boss (112) at a port of the receiving passage (111). The sealing pad (3) is provided with a plurality of sleeves (32) corresponding to the second annular bosses (112), and the sleeve (32) is sleeved outside the second annular bosses (112), the through The hole (31) is located at the top of the sleeve (32), and the periphery of the through hole (31) protrudes outwardly with a flange (311) surrounding the output end (22) of the output copper bar (2).
A motor controller terminal block structure according to claim 4, wherein the bottom of the gasket (3) is further provided with a second bead (332), the first bead (331) and the a second rim (332) clamps the first annular boss (131) to fix the gasket (3); the first rim (331) and the second rim (332) are directed to the first annular boss ( 131) protruding a plurality of first protrusions (333), the first A projection (333) abuts the first annular boss (131).
A motor controller terminal block structure according to claim 5, wherein the bottom of the gasket (3) is provided with a plurality of second protrusions (34), and the second protrusions (34) are pressed at the bottom On the upper surface of the toroidal core.
A motor controller terminal block structure according to any one of claims 2 to 6, wherein said plurality of output copper bars (2) comprise first copper bars (23) of the same structure, and second a copper row (24), a third copper row (25), a fourth copper row (26) and a fifth copper row (27), wherein the first copper row (23) and the second copper row (24) are positive and negative The input copper row, the third copper row (25), the fourth copper row (26) and the fifth copper row (27) are three-phase output copper bars; the toroidal magnetic core has two, respectively, a DC core (51 And an AC core (52), the DC core (51) is sleeved outside the first copper row (23) and the second copper row (24), and the AC core (52) is sleeved on the third copper row (25), the fourth copper row (26) and the fifth copper row (27).
A motor controller terminal block structure according to claim 7, wherein the accommodating cavity (13) is provided with a spacer (132), and the spacer (132) divides the accommodating cavity (13). a first accommodating cavity (133) and a second accommodating cavity (134), the DC magnetic core (51) is mounted in the first accommodating cavity (133), and the AC magnetic core (52) is installed in the first Two accommodation chambers (134).
The terminal block structure of a motor controller according to claim 8, wherein a branch switch mounting plate (12) protrudes from one side of the insulating mounting frame (1), and a bottom switch mounting plate (12) is provided at the bottom. There is a support frame (121), the travel switch (4) is mounted on the travel switch mounting plate (12), and the support frame (121) supports the bottom of the travel switch (4).