Patch board

By using a ring-shaped insulated body and a spiral conductor design, combined with various welding methods, the complex connection between the coil and the power input terminal in a servo motor is solved, enabling fast and accurate wiring and welding, reducing motor production costs and improving production efficiency.

CN223680849UActive Publication Date: 2025-12-16DONGGUAN XINZUAN ELECTRONICS TECH +1
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Patent Information

Application Number
CN202423087560.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-12-16
Estimated Expiration
2034-12-13

AI Technical Summary

Technical Problem

The connection between the coil and the power input terminal in existing servo motors is complex and prone to errors, leading to assembly failure. Furthermore, the circuit board design requirements are high, the price is expensive, the soldering speed is slow, and it is prone to false soldering, which affects the company's cost reduction and efficiency improvement.

Method used

Employing a ring-shaped insulated body and a spiral conductor design, combined with laser welding, ultrasonic welding, non-contact induction welding, resistance welding, or tin bath soldering, it achieves rapid and accurate connection between the conductor and the coil and power input terminal, and improves assembly efficiency by utilizing the sockets and positioning structures on the insulated body.

Benefits of technology

It achieves a simple structure, low cost, fast and accurate wiring, and strong and reliable welding, thereby improving production efficiency and reducing motor assembly costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a patch board, which is applied to a motor, is used for connecting a coil and a power supply input end, and comprises an annularly arranged insulating body and a plurality of conductors arranged on the insulating body, the plurality of conductors are arranged around the insulating body at intervals, at least one jack is arranged around each conductor, and the jacks are inserted into the jacks. Part of the jacks are used for electrically connecting the conductor and the coil, and part of the jacks are used for electrically connecting the conductor and the power input end.
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Description

TECHNICAL FIELD

[0001] The utility model relates to motor field especially relates to a terminal block. BACKGROUND

[0002] In the structure of the existing servo motor, a plurality of coils are arranged at equal intervals in the circumferential direction in the shell, and the coils are connected in conduction with the power input end through a circuit adapter plate. Moreover, in the process of processing the coils in series and in parallel, a large number of wire harnesses are grouped and twisted together after being identified by the serial number by artificial discrimination, and then welded to the circuit board. This not only has a complicated operation, but also is prone to errors, which eventually leads to the failure of the assembly of the servo motor. Moreover, the coils and the power input end in the high-power servo motor need to pass through a large current, which requires a very high design and board material of the circuit board, thus resulting in the high price of the circuit board in the servo motor, low efficiency of artificial discrimination of the wire speed, and high risk of disorder of the wire sequence. The welding speed is slow and prone to false welding. For enterprises at the present stage of cost reduction and efficiency increase, this greatly troubles entrepreneurs. SUMMARY

[0003] Therefore, the utility model aims at providing a terminal block which has simple structure, low manufacturing cost, fast and accurate client wiring, fast welding speed, and firm and reliable welding.

[0004] The utility model discloses a terminal block is applied to motor, is used for connecting coil and power input end, include: annular arrangement's insulating body and setting on a plurality of conductors of insulating body, a plurality of conductor interval arrangement around insulating body, the surrounding of each conductor is equipped with at least one jack, at least part jack is used for conductor and coil electric connection, part jack can also be used for conductor and power input end electric connection.

[0005] Further, a plurality of conductors are spirally wound on the insulating body in the form of a vortex line.

[0006] Further, a plurality of conductors are arranged at intervals in the radial direction of the insulating body.

[0007] Further, the insulating body is provided with a cutting groove penetrating the upper and lower surfaces of the insulating body at the end of at least part of the conductor.

[0008] Further, the welding mode of the coil and the conductor and the welding mode of the power input end and the conductor adopt at least one of laser welding, ultrasonic welding, non-contact induction welding, resistance welding or tin bath immersion tin welding.

[0009] Further, the outer periphery or inner periphery of the insulating body is provided with a positioning structure, and the positioning structure is a convex part or a concave part for matching the internal structure of the motor.

[0010] Further, the insulating body is spliced by a plurality of insulating blocks, and at least one conductor is arranged in each insulating block.

[0011] Further, the conductor is in-molded in the insulating body.

[0012] Further, a plurality of heat dissipation holes are arranged between the upper and lower surfaces of the insulating body in the circumferential direction.

[0013] Further, an inwardly inclined guide surface is arranged on the side of the jack hole close to the coil.

[0014] The wiring board has the advantages of simple structure, low manufacturing cost, fast and accurate client wiring, fast welding speed, firm and reliable welding, cost saving, improved production efficiency, and popularity among motor industry practitioners. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced as follows, and it should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0016] Figure 1 It is a perspective view of the first embodiment of the wiring board of the present application.

[0017] Figure 2 It is a perspective view of the first embodiment of the wiring board of the present application. Figure 1

[0018] Figure 3 It is a schematic view of the insulating body. Figure 1

[0019] Figure 4 It is a partial enlarged view of A of the insulating body. Figure 3

[0020] Figure 5 It is a perspective view of the second embodiment of the wiring board of the present application.

[0021] Figure 6 It is a perspective view of the second embodiment of the wiring board of the present application. Figure 5

[0022] Figure 7 It is a schematic view of the insulating body. Figure 5

[0023] Figure 8 ​​​​​It is the third embodiment of the terminal block of the utility model's perspective drawing.

[0024] Figure 9 For Figure 8 It is the perspective view of the clamping structure.

[0025] Figure 10 It is the fourth embodiment of the terminal block of the utility model's perspective drawing.

[0026] Figure 11 For Figure 10 It is the perspective exploded view of the terminal block.

[0027] Figure 12 For Figure 10 It is the schematic view of the insulation body.

[0028] Figure 13 It is the fifth embodiment of the terminal block of the utility model's perspective drawing.

[0029] Figure 14 For Figure 13 It is the perspective exploded view of the terminal block.

[0030] Figure 15 For Figure 13 It is the schematic view of the insulation body.

[0031] Figure 16 For Figure 15 It is the schematic view of the insulation body from another angle.

[0032] Figure 17 It is the sixth embodiment of the terminal block of the utility model's perspective drawing. DETAILED DESCRIPTION

[0033] The specific embodiments of the utility model will be described in detail below with reference to the drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the description of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0034] The terms "upper", "lower" and the like indicate the orientation or positional relationship shown in the drawings, or the orientation or positional relationship of the utility model product when it is usually placed, which is only for the convenience of description and simplification of description, and does not indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0035] The terms "comprise", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0036] Referring to Figures 1-17 The utility model discloses a terminal block, be applied to motor, be used for connecting coil and power input, include: annular setting's insulating body 10 and setting on the insulating body 10 a plurality of conductor 20, a plurality of conductor 20 is spaced apart around the insulating body 10 setting, the periphery of each conductor 20 is provided with at least one jack 12, at least part jack 12 is used conductor 20 with coil electric connection, part jack 12 can also be used conductor 20 with power input electric connection.

[0037] Referring to Figure 1 , Figure 5 , Figure 10 And Figure 13 A plurality of conductors 20 are coiled in a vortex line shape on the insulating body 10. The coiled in a vortex line shape has the advantages of not only being aesthetically pleasing but also effectively preventing short circuits between different conductors 20, and facilitating the automatic assembly of the conductors 20 on the insulating body 10 or the in-mold forming of the conductors 20 on the insulating body 10.

[0038] Referring to Figure 2 , Figure 6 , Figure 11 And Figure 14 A plurality of conductors 20 are spaced apart in the radial direction of the insulating body 10. In some embodiments, the spaced apart conductors 20 are provided with hollow grooves 13 that pass through the upper and lower surfaces of the insulating body 10. The hollow grooves 13 can be used to quickly dissipate the heat generated when the conductors pass through a large current when the motor is working.

[0039] Referring to Figure 3 And Figure 4 The insulating body 10 is provided with a cutting groove 14 that passes through the upper and lower surfaces of the insulating body 10 at the end of at least part of the conductors 20. The cutting groove 14 is used to cut the entire conductor 20 into a plurality of conductors 20 and space them apart when the entire conductor 20 is coiled in a vortex line shape on the insulating body 10, so as to realize the connection of different coils or power inputs by the plurality of conductors 20.

[0040] In the utility model, the welding mode of the coil and the conductor 20 and the welding mode of the power input end and the conductor 20 adopt at least one of laser welding, ultrasonic welding, non-contact induction welding, resistance welding or tin bath tin soldering. The stable connection of the conductor 20 and the coil or the power input end can be realized through welding, and the phenomenon of circuit breaking or false connection of the motor in the process of high current energization is prevented, so that the unstable operation of the motor is avoided.

[0041] Please refer to Figure 1 、 Figure 5 、 Figure 8 、 Figure 10 、 Figure 13 And Figure 17 , the outer periphery or the inner periphery of the insulating body 10 is provided with a positioning structure 15, which is a convex part or a concave part for matching the internal structure of the motor.

[0042] Please refer to Figure 17 , the insulating body 10 is spliced by a plurality of insulating blocks, and at least one conductor 20 is arranged in each insulating block. More specifically, in the embodiment, the insulating body 10 includes a first insulating block 101, a second insulating block 102, a third insulating block 103 and a fourth insulating block 104 spliced with each other, and the first insulating block 101, the second insulating block 102, the third insulating block 103 and the fourth insulating block 104 are spliced together to form the annular insulating body 10.

[0043] Please refer to Figures 1-9 , a surface of the insulating body 10 is provided with mounting grooves 11 corresponding to a plurality of conductors 20, and a plurality of conductors 20 are mounted in the mounting grooves 11. Wherein, the mounting grooves 11 can be arranged in communication with each other to facilitate cutting of the entire conductor 20 into a plurality of conductors 20 through the cutting groove 14; the mounting grooves 11 can also be arranged at intervals, and at least one conductor 20 is arranged in each mounting groove 11.

[0044] Please refer to Figures 1-8 , the terminal block further comprises a plurality of lead terminals 30, the insulating body 10 is provided with lead terminal grooves 16 communicating with the mounting grooves 11 on the inner side or the outer side of the mounting grooves 11, the lead terminal grooves 16 are provided with the jacks 12, one end of the lead terminals 30 is electrically connected with the conductors 20, the other end of the lead terminals 30 is electrically connected with the coil or the power input end through the jacks 12, and the connection mode adopts at least one of laser welding, ultrasonic welding, non-contact induction welding, resistance welding or tin bath tin soldering.

[0045] Please continue to refer to Figures 1-8The bottom wall of the lead terminal slot 16 is provided with an expansion space 17 communicating with the insertion hole 12, which facilitates the assembly of the lead terminal 30 into the insertion hole 12. The lead terminal 30 can be mounted from the side of the insertion hole 12 and clamped into the insertion hole 12 through the expansion space 17, which can effectively avoid the difficulty of inserting the lead terminal 30 into the insertion hole 12 due to the narrow space, thereby greatly improving the assembly efficiency.

[0046] Further, the expansion space 17 located on the outer circumferential surface of the insulating body 10 is provided through the outer circumferential surface, the expansion space 17 located on the inner circumferential surface of the insulating body 10 is provided through the inner circumferential surface, and the expansion space 17 located on the outer circumferential surface and the inner circumferential surface of the insulating body 10 can be mounted and clamped into the insertion hole 12 through the openings, which further facilitates the assembly of the lead terminal 30.

[0047] For further reference Figures 1-8 The insulating body 10 is provided with an auxiliary mounting slot 18 on the inner side and / or the outer side of the mounting slot 11, which communicates with the mounting slot 11. The auxiliary mounting slot 18 can assist the conductor 20 in being mounted into the mounting slot 11. For example, when the conductor 20 is relatively long, the middle part of the conductor 20 is prone to protrude out of the mounting slot 11, and thus the protruding part can be manually or by means of equipment mounted into the mounting slot 11 at the auxiliary mounting slot 18.

[0048] For reference Figure 8 and Figure 9 The mounting slot 11 is further provided with a clamping structure 40 for fixing the conductor 20.

[0049] More specifically, the clamping structure 40 has a mounting portion 41 connected with a clamping portion 42 on one side, and the clamping portion 42 is provided with a U-shaped clamping slot 421. The mounting portion 41 is mounted in the lead terminal slot 16, the clamping portion 42 is mounted in the mounting slot 11, and the mounting portion 41 is provided with a relief hole 411 corresponding to the insertion hole 12. In this embodiment, the clamping structure 40 is a metal piece, which can not only clamp the conductor 20 to fix the conductor 20 in the clamping slot 421, but also realize the electrical conduction between the lead terminal 30 and the conductor 20. In other embodiments, the clamping structure 40 can also be a plastic piece, which is limited to clamping the conductor 20.

[0050] Further, at least one side wall of the clamping portion 42 is provided with a clamping protrusion 43, which fixes the conductor 20 in the clamping slot 421.

[0051] Please refer to Figures 10-17 The conductor 20 is in-mold formed in the insulating body 10. The insulating body 10 is provided with a plurality of heat dissipation holes 19 spaced apart between the upper and lower surfaces of the insulating body 10 in the circumferential direction. At least one conductor 20 is arranged in each heat dissipation hole 19. The heat dissipation holes 19 are used to dissipate the heat generated by the conductors 20 when the motor is working, so as to prevent high temperature from causing motor failure and the like.

[0052] Please refer to Figure 16 The insertion hole 12 is provided with an inwardly inclined guide surface 121 on the side close to the coil. When the free end of the coil is inserted into the insertion hole 12 and connected to the conductor 20, the guide surface 121 can facilitate the insertion of the free end of the coil into the insertion hole 12 in a narrow space, thereby improving the assembly efficiency.

[0053] The wiring board provided by the utility model not only has simple structure and low manufacturing cost, but also has fast and accurate client wiring, fast welding speed and firm and reliable welding, thereby saving cost, improving production efficiency and being favored by practitioners in the motor industry.

[0054] The above is only a specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A terminal block for use on an electric machine for connecting coils and power supply inputs, characterized in that, The application relates to a coil structure, which comprises: an annular insulation body and a plurality of conductors arranged on the insulation body, the conductors being arranged at intervals around the insulation body, at least one insertion hole being formed around each of the conductors, at least part of the insertion holes being used for electrically connecting the conductors with coils, and part of the insertion holes being used for electrically connecting the conductors with power input terminals.

2. The patch panel of claim 1, wherein, The conductors are in the form of vortex lines and are wound on the insulation body.

3. The patch panel of claim 2, wherein, The conductors are arranged at intervals in the radial direction of the insulation body.

4. The patch panel of claim 1, wherein, Cutting grooves are formed in the insulation body and pass through the upper and lower surfaces of the insulation body at the ends of at least part of the conductors.

5. The patch panel of claim 1, wherein, The welding modes of the coils and the power input terminals with the conductors are at least one of laser welding, ultrasonic welding, non-contact induction welding, resistance welding and tin bath immersion tin welding.

6. The patch panel of claim 1, wherein, The outer or inner periphery of the insulation body is provided with a positioning structure in the form of a convex part or a concave part matched with the internal structure of a motor.

7. The patch panel of claim 1, wherein, The insulation body is formed by splicing a plurality of insulation blocks, and at least one conductor is arranged in each of the insulation blocks.

8. The terminal block of any one of claims 1-7, wherein, The conductors are in-mold formed in the insulation body.

9. The patch panel of claim 8, wherein, A plurality of heat dissipation holes are arranged at intervals in the circumferential direction of the insulation body and pass through the upper and lower surfaces of the insulation body.

10. The patch panel of claim 8, wherein, The side of the insertion hole close to the coil is provided with an inwardly inclined guide surface.