Patch board
By using a ring-shaped insulating body and spaced conductors in the servo motor, combined with technologies such as laser welding, the problem of complex connection between the coil and the power input terminal is solved, achieving fast and accurate electrical connection, reducing motor production costs and improving efficiency.
Patent Information
- Application Number
- CN202423087561.8
- 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
The connection between the coil and the power input terminal in existing servo motors is complex and prone to errors, resulting in slow welding speed, high cost and poor reliability, making it difficult to meet the needs of enterprises to reduce costs and increase efficiency.
The coil and power input terminal are connected by conductors spaced apart on a ring-shaped insulated body, using laser welding, ultrasonic welding, or other methods. Combined with lead terminals and clamping structures, automated assembly and fast and accurate electrical connection are achieved.
It achieves a simple structure, low cost, fast and accurate wiring, and fast and reliable welding, thereby improving production efficiency and reducing motor assembly costs.
Smart Images

Figure CN223680850U_ABST
Abstract
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. Not only is the operation complex, but also it is easy to make mistakes, 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 false welding is easy. For enterprises at the present stage of cost reduction and efficiency increase, it greatly troubles entrepreneurs. SUMMARY
[0003] Therefore, the utility model aims at providing a terminal block which is simple in structure, low in manufacturing cost, fast and accurate in client wiring, fast in welding speed, and firm and reliable in 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, the surface of insulating body corresponds a plurality of mounting groove that seted up to the conductor, a plurality of conductor installs in mounting groove, a plurality of conductor interval setting around insulating body, the surrounding of each conductor is equipped with at least one jack, at least part jack is used for the electric connection of conductor and coil, part jack can also be used electric connection of conductor and power input end.
[0005] Further, a plurality of conductors are spirally wound on the insulating body in a vortex line shape.
[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 conductors.
[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] Furthermore, the insulating body is composed of multiple insulating blocks spliced together, and each insulating block contains at least one conductor.
[0010] Furthermore, the terminal block also includes a plurality of lead terminals. The insulating body has a lead terminal slot connected to the mounting slot on the inner or outer side of the mounting slot. The lead terminal slot is provided with the insertion hole. One end of the lead terminal is electrically connected to the conductor, and the other end of the lead terminal passes through the insertion hole and is electrically connected to the coil or power input terminal.
[0011] Furthermore, the bottom wall of the lead terminal slot is provided with an expansion space that communicates with the socket to facilitate the assembly of the lead terminal into the socket, and the expansion space located on the outer peripheral surface of the insulating body is provided through the outer peripheral surface; the expansion space located on the inner peripheral surface of the insulating body is provided through the inner peripheral surface.
[0012] Furthermore, the insulating body has an auxiliary mounting groove that communicates with the mounting groove on the inner and / or outer side of the mounting groove.
[0013] Furthermore, a clamping structure for fixing the conductor is also installed in the mounting groove.
[0014] The terminal block provided by this utility model is not only simple in structure and low in manufacturing cost, but also allows for fast and accurate wiring to the client, fast welding speed, and strong and reliable welding. It not only saves costs but also improves production efficiency, and is highly favored by practitioners in the motor industry. Attached Figure Description
[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.
[0016] Figure 1 This is a perspective view of the first embodiment of the junction box of this utility model.
[0017] Figure 2 for Figure 1 The diagram shown is an exploded 3D view of the junction box.
[0018] Figure 3 for Figure 1 A schematic diagram of the insulating body is shown.
[0019] Figure 4 for Figure 3 A magnified view of part A of the insulating body shown.
[0020] Figure 5 is a perspective view of a second embodiment of the terminal block of the present application.
[0021] Figure 6 is Figure 5 a perspective exploded view of the terminal block shown.
[0022] Figure 7 is Figure 5 a schematic view of the insulating body shown.
[0023] Figure 8 is a perspective view of a third embodiment of the terminal block of the present application.
[0024] Figure 9 is Figure 8 a perspective view of the clamping structure shown.
[0025] Figure 10 is a perspective view of a fourth embodiment of the terminal block of the present application.
[0026] Figure 11 is Figure 10 a perspective exploded view of the terminal block shown.
[0027] Figure 12 is Figure 10 a schematic view of the insulating body shown.
[0028] Figure 13 is a perspective view of a fifth embodiment of the terminal block of the present application.
[0029] Figure 14 is Figure 13 a perspective exploded view of the terminal block shown.
[0030] Figure 15 is Figure 13 a schematic view of the insulating body shown.
[0031] Figure 16 is Figure 15 a schematic view of the insulating body shown from another angle.
[0032] Figure 17 is a perspective view of a sixth embodiment of the terminal block of the present application. DETAILED DESCRIPTION
[0033] Specific embodiments of the present application will be described herein below with reference to the accompanying drawings. Obviously, the described embodiments are only a part but not all of the embodiments of the present application. Based upon the description of the present application, all the other embodiments obtained by those ordinarily skilled in the art without creative effort should fall within the scope of the present application.
[0034] The terms "upper", "lower", and the like indicate the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the utility model product is used, and are only for the convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to 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 "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, in addition to including the listed elements, other elements not explicitly listed can also be included.
[0036] Please refer 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 arrangement's insulating body 10 and setting on the insulating body 10 a plurality of conductors 20, a plurality of conductor 20 is spaced apart around the insulating body 10 is arranged, the periphery of each conductor 20 is provided with at least one jack 12, at least part of the jack 12 is used for the electrical connection of conductor 20 and coil, part of the jack 12 can also be used for the electrical connection of conductor 20 and power input.
[0037] Please refer 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 advantage of being coiled in a vortex line shape is that not only the layout is beautiful and effectively prevents short circuit between different conductors 20, but also facilitates automatic assembly of the conductors 20 on the insulating body 10 or in-mold forming of the conductors 20 on the insulating body 10.
[0038] Please refer 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 conductors 20 spaced apart are provided with a hollow groove 13 penetrating the upper and lower surfaces of the insulating body 10. The hollow groove 13 can be used to quickly dissipate the heat generated when the conductor passes through a large current when the motor is working.
[0039] Please refer to Figure 3 And Figure 4The insulating body 10 is provided with a cutting groove 14 penetrating the upper and lower surfaces of the insulating body 10 at the end of at least part of the conductor 20. The cutting groove 14 is used to cut the whole conductor 20 into several conductors 20 through the cutting groove 14 when the whole conductor 20 is wound in a spiral on the insulating body 10, so as to realize the connection of the several conductors 20 to different coils or power input ends.
[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 welding. 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 the conductors 20, and the conductors 20 are mounted in the mounting grooves 11. The mounting grooves 11 can be arranged in communication with each other to facilitate cutting the whole conductor 20 into several conductors 20 through the cutting groove 14 after the whole conductor 20 is mounted; the mounting grooves 11 can also be arranged at intervals, and at least one conductor 20 is mounted in each mounting groove 11.
[0044] Please refer to Figures 1-8The terminal block further comprises a plurality of lead terminals 30, the insulating body 10 is provided with lead terminal grooves 16 which are communicated with the mounting groove 11 on the inner side or the outer side of the mounting groove 11, the lead terminal grooves 16 are provided with the insertion holes 12, one end of the lead terminal 30 is electrically connected with the conductor 20, the other end of the lead terminal 30 is electrically connected with the coil or the power input end through the insertion hole 12, and the connection mode adopts at least one welding mode of laser welding, ultrasonic welding, non-contact induction welding, resistance welding or tin bath immersion soldering.
[0045] Please continue to refer to Figures 1-8 The bottom wall of the lead terminal groove 16 is provided with an expansion space 17 which is communicated with the insertion hole 12 and is convenient for the lead terminal 30 to be assembled 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, so that the lead terminal 30 can be effectively prevented from being inconveniently inserted into the insertion hole 12 due to the narrow space, thereby greatly improving the assembly efficiency.
[0046] Furthermore, the expansion space 17 located on the outer circumferential surface of the insulating body 10 is arranged through the outer circumferential surface, the expansion space 17 located on the inner circumferential surface of the insulating body 10 is arranged 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 opened opening, which is more convenient for the assembly of the lead terminal 30.
[0047] Please continue to refer to Figures 1-8 The insulating body 10 is provided with auxiliary mounting grooves 18 which are communicated with the mounting groove 11 on the inner side and / or the outer side of the mounting groove 11. The auxiliary mounting grooves 18 can assist the conductor 20 to be mounted into the mounting groove 11, for example, when the conductor 20 is relatively long, the middle part of the conductor 20 is easy to protrude out of the mounting groove 11, and therefore the protruding part can be mounted into the mounting groove 11 by manual operation or by means of equipment at the auxiliary mounting grooves 18.
[0048] Please refer to Figure 8 and Figure 9 The mounting groove 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, one side of the mounting portion 41 is connected with a clamping portion 42, the clamping portion is provided with a U-shaped clamping groove 421, wherein the mounting portion 41 is mounted in the lead terminal groove 16, the clamping portion 42 is mounted in the mounting groove 11, and the mounting portion 41 is provided with a avoiding hole 411 corresponding to the jack 12. In the embodiment, the clamping structure 40 is a metal piece, the clamping structure 40 can not only clamp the conductor 20 and fix the conductor 20 in the clamping groove 421, but also can realize electrical conduction between the lead terminal 30 and the conductor 20. In other embodiments, the clamping structure 40 can also be a plastic piece, and the conductor 20 is clamped as a standard, which is not particularly limited here.
[0050] Further, at least one side wall of the clamping portion 42 is provided with a clamping protrusion 43, and the conductor 20 is fixed in the clamping groove 421 through the clamping protrusion 43.
[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, and the heat dissipation hole 19 is used to dissipate the heat generated by the conductor 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 jack 12 is provided with an inwardly inclined guide surface 121 on the side close to the coil. When the free end of the coil passes through the jack 12 and is connected with the conductor 20 upwardly, the free end of the coil can be more conveniently inserted into the jack 12 in a narrow space with the help of the guide surface 121, and the assembly efficiency can be improved.
[0053] The wiring disc 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, saves cost and improves production efficiency, and is 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 terminal block, which comprises: an annular insulating body and a plurality of conductors arranged on the insulating body, a surface of the insulating body is provided with mounting grooves corresponding to the plurality of conductors, the plurality of conductors are arranged in the mounting grooves, the plurality of conductors are arranged at intervals around the insulating body, at least one insertion hole is arranged around each of the conductors, at least part of the insertion holes are used for electrically connecting the conductors and coils, and part of the insertion holes are also used for electrically connecting the conductors and power input ends. The plurality of conductors are arranged in a vortex line shape on the insulating body.
2. The patch panel of claim 1, wherein, The plurality of conductors are arranged at intervals in the radial direction of the insulating body.
3. The patch panel of claim 2, wherein, The insulating body is provided with cutting grooves penetrating the upper and lower surfaces of the insulating body at the end portions of at least part of the conductors.
4. The patch panel of claim 1, wherein, The welding modes of the coils and the conductors and the welding modes of the power input ends and the conductors are at least one of laser welding, ultrasonic welding, non-contact induction welding, resistance welding or tin bath immersion tin welding.
5. The patch panel of claim 1, wherein, The insulating body is spliced by a plurality of insulating blocks, and at least one conductor is arranged in each of the insulating blocks.
6. The patch panel of claim 1, wherein, The terminal block further comprises a plurality of lead terminals, the insulating body is provided with lead terminal grooves communicating with the mounting grooves on the inner side or the outer side of the mounting grooves, the insertion holes are arranged in the lead terminal grooves, one end of the lead terminal is electrically connected with the conductor, and the other end of the lead terminal is electrically connected with the coil or the power input end through the insertion hole.
7. The patch panel of claim 1, wherein, The bottom wall of the lead terminal groove is provided with an expansion space communicating with the insertion hole, the expansion space is arranged through the outer peripheral surface of the insulating body, and the expansion space arranged through the inner peripheral surface of the insulating body.
8. The patch panel of claim 7, wherein, The insulating body is provided with auxiliary mounting grooves communicating with the mounting grooves on the inner side and / or the outer side of the mounting grooves.
9. The patch panel of claim 1, wherein, The mounting grooves are further provided with clamping structures for fixing the conductors.
10. The patch panel of claim 1, wherein,