CN212380594U

CN212380594U - Terminal block and motor controller

Info

Publication number: CN212380594U
Application number: CN202020899308.5U
Authority: CN
Inventors: 肖齐
Original assignee: Zhejiang Geely Holding Group Co Ltd; Geely Automobile Research Institute Ningbo Co Ltd
Current assignee: Zhejiang Geely Holding Group Co Ltd; Geely Automobile Research Institute Ningbo Co Ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2021-01-19
Anticipated expiration: 2030-05-25

Abstract

The utility model relates to an automatically controlled trade electrical connection and filtering field, in particular to terminal platform and machine controller, include: the device comprises an insulating shell, a wiring bar and a filtering device; the insulating shell is provided with a wire inlet structure and a wire outlet structure; the wire inlet structure and the wire outlet structure are respectively provided with a wire inlet hole and a wire outlet hole; the wiring row comprises two wiring structures, and the two wiring structures respectively correspond to the wire inlet hole and the wire outlet hole; the filter device is arranged on the insulating shell. This application is implemented terminal platform set up filter equipment on terminal platform's insulating casing, integrate the design, make terminal platform possess the filtering capability, reduced part quantity, reduce cost.

Description

Terminal block and motor controller

Technical Field

The utility model relates to an automatically controlled trade electrical connection and filtering field, in particular to terminal platform and machine controller.

Background

The terminal block is an electrical connection fixing part for circuit connection, also called as terminal strip, copper bar fixing seat, etc. The terminal block is a supporting piece used for connecting a three-phase wire harness and a direct-current positive and negative bus wire harness in the motor controller, and is mainly used for fixing a wire harness terminal and realizing reliable connection of power current in the controller and the wire harness.

In the existing terminal block design, most of the basic functions of the terminal block, namely the fixing and supporting functions of the copper bar, are only considered, and the terminal block does not have other functions; moreover, the connection with the copper bar mostly adopts a split type assembling procedure, and the number of parts is large; meanwhile, the direct-current bus terminal block is mostly combined with the three-phase terminal block, so that the customization formation degree is good, and the interchangeability is poor.

With the requirement of the electromagnetic Compatibility (EMC) of the controller being improved, the requirement of filtering the current at the input side of the dc bus becomes more and more urgent, however, the current terminal block design only plays a role of fixing the copper bar, and has no other function. Therefore, a new terminal block needs to be designed to meet the requirements.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is the problem of current terminal platform no filtering function.

In order to solve the above technical problem, in a first aspect, an embodiment of the present application discloses a terminal block, including: the device comprises an insulating shell, a wiring bar and a filtering device;

the insulating shell is provided with a wire inlet structure and a wire outlet structure;

the wire inlet structure and the wire outlet structure are respectively provided with a wire inlet hole and a wire outlet hole;

the wiring row comprises two wiring structures, and the two wiring structures respectively correspond to the wire inlet hole and the wire outlet hole;

the filter device is arranged on the insulating shell.

Furthermore, the filtering device comprises a first filtering magnetic ring, and the first filtering magnetic ring is arranged on the wire inlet structure.

Furthermore, the filtering device further comprises a second filtering magnetic ring, and the second filtering magnetic ring is arranged on the outlet structure.

Furthermore, the filtering device further comprises a safety capacitor, and the safety capacitor is arranged on the wire inlet structure and/or the wire outlet structure.

Furthermore, the wiring bar is a wiring copper bar.

Furthermore, the wiring structure is wiring holes arranged at two ends of the wiring copper bar.

Further, the insulating shell is a plastic shell.

Furthermore, the plastic shell is provided with a fixing hole.

Further, the terminal block further comprises an insulating cover, and the insulating cover is connected with the insulating shell.

In a second aspect, embodiments of the present application disclose a motor controller including a terminal block as described above.

Adopt above-mentioned technical scheme, terminal platform and machine controller described in the embodiment of this application have following beneficial effect:

this application is implemented terminal platform set up filter equipment on terminal platform's insulating casing, integrate the design, make terminal platform possess the filtering capability, reduced part quantity, reduce cost.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic view of a terminal block of an embodiment of the present application;

fig. 2 is a schematic structural diagram of a terminal block according to an embodiment of the present application;

fig. 3 is a schematic structural diagram of a terminal block according to an embodiment of the present application;

fig. 4 is a schematic structural diagram of a terminal block according to an embodiment of the present application;

the following is a supplementary description of the drawings:

10-an insulating housing; 11-a wire inlet structure; 12-a line-out structure; 13-a fixation hole; 20-a line bank; 21-wiring holes; 31-a first filtering magnetic ring; 32-a second filtering magnetic ring; 33-filter Y capacitance.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the present application. In the description of the present application, it is to be understood that the terms "upper", "lower", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Moreover, the terms "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

In the design of the current terminal block, only the basic functions of the terminal block, namely the fixing and supporting functions of the copper bar, are considered, and the terminal block does not have other functions; moreover, the connection with the copper bar mostly adopts a split type assembling procedure, and the number of parts is large; meanwhile, the direct-current bus terminal block is mostly combined with the three-phase terminal block, so that the customization formation degree is good, and the interchangeability is poor.

With the improvement of EMC requirements of the controller, the requirement on filtering of current on the input side of the direct current bus becomes more and more urgent, however, the current terminal block design only plays a role in fixing a copper bar and has no other functions. And parts such as the filtering magnetic ring, the filtering Y electric capacity, etc. need increase new fixing device and go the installation, just can realize the filtering function to bus current, so, part quantity increases, whole volume increase, assembles loaded down with trivial details.

As shown in fig. 1, an embodiment of the present application discloses a terminal block, including: the insulation shell 10, the wiring bar 20 and the filter device; the insulating shell 10 is provided with an incoming line structure 11 and an outgoing line structure 12; the wire inlet structure 11 and the wire outlet structure 12 are respectively provided with a wire inlet hole and a wire outlet hole; the wiring row 20 comprises two wiring structures, and the two wiring structures respectively correspond to the wire inlet hole and the wire outlet hole; the filter device is disposed on the insulating housing 10.

The application implements terminal block, set up filter equipment on terminal block's insulating casing 10, the design that integrates makes terminal block possess the filtering capability, has reduced part quantity, reduce cost.

In the embodiment of the present application, the insulating housing 10 is used to fix the wiring bar 20, the insulating housing 10 is made of an insulating material, and optionally, the insulating housing 10 is made of a plastic, such as phenolic resin, polyvinyl chloride, polyethylene, polytetrafluoroethylene, polyvinyl acetal, and the like; optionally, the insulating housing 10 is made of insulating ceramic, and optionally, the insulating housing 10 is made of rubber. The contour of the insulating housing 10 may be a standard figure or a special figure. Preferably square. Be equipped with inlet wire structure 11 and outlet structure 12 on insulating housing 10, optionally, inlet wire structure 11 and outlet structure 12 set up respectively on insulating housing 10 not adjacent both sides, optionally, inlet wire structure 11 and outlet structure 12 set up respectively on insulating housing 10 adjacent both sides. The wire inlet structure 11 and the wire outlet structure 12 are respectively provided with a wire inlet hole and a wire outlet hole for leading a wire into and out of the terminal block. The wiring bar 20 is made of metal, and both ends of the wiring bar are provided with wiring structures to be connected with wires, optionally, the wiring bar 20 is an aluminum wiring bar 20, a copper wiring bar 20, or the wiring bar 20 made of alloy material. The terminal block 20 is detachably fixed to the insulative housing 10, and in some embodiments, the terminal block 20 is fixed to the insulative housing 10 when the insulative housing 10 is molded, and the terminal block 20 is not detachable from the insulative housing 10. A filter mounting structure is arranged on the insulating shell 10, and optionally, the filter mounting structure is arranged on the incoming line structure 11 and/or the outgoing line structure 12; optionally, the filter mounting structure is provided on the terminal block 20. The filtering device is connected with the filtering device mounting structure in the modes of clamping, screwing, bonding and the like. Optionally, the filtering device is a filtering magnetic ring, an ampere rule capacitor, or the like. Optionally, one or more filtering devices may be disposed on the terminal block; one or more filter devices may be provided on the terminal block.

The filtering device comprises a first filtering magnetic ring 31, and the first filtering magnetic ring 31 is arranged on the wire inlet structure 11.

In the embodiment of the present application, a filtering device is disposed on the terminal block, and the filtering device is a first filtering magnetic ring 31. As shown in fig. 2, an annular mounting structure matched with the first filtering magnetic ring 31 is disposed on the wire inlet structure 11 of the insulating housing 10, and the first filtering magnetic ring 31 is sleeved on the wire inlet structure 11. In some embodiments, the first filtering magnetic ring 31 is sleeved on the wire feeding structure 11 by means of dispensing and potting.

The filtering device further comprises a second filtering magnetic ring 32, and the second filtering magnetic ring 32 is arranged on the outlet structure 12.

In the embodiment of the present application, a second filtering magnetic ring 32 is further disposed on the terminal block. Optionally, the second filtering magnetic ring 32 is disposed on the line outgoing structure 12. As shown in fig. 3, a groove is longitudinally formed on the line outgoing structure 12 of the insulating housing 10, the line bank 20 extends out of the insulating housing 10 through the groove, the second filtering magnetic ring 32 extends into the groove and is sleeved on the line bank 20, and the line outgoing structure on the line bank 20 extends out of the second filtering magnetic ring 32.

The filtering device further comprises a safety capacitor, and the safety capacitor is arranged on the wire inlet structure 11 and/or the wire outlet structure 12.

In the embodiment of the application, the terminal block is further provided with a safety capacitor. Optionally, the safety capacitor is arranged on the wire inlet structure 11; optionally, the safety capacitor is disposed on the outlet structure 12. In the embodiment of the present application, a filter Y capacitor 33 is disposed on the line outgoing structure 12. As shown in fig. 1 and 3, a capacitor mounting groove is formed on the outlet structure 12 of the insulating housing 10, and the filter Y capacitor 33 is clamped in the capacitor mounting groove. In some embodiments, the filtering Y capacitor 33 is connected to the line feeding structure 11 by means of potting.

The wiring bar 20 is a wiring copper bar.

In the embodiment of the present application, the wiring bar 20 selects a copper bar with good electrical conductivity as the wiring bar 20. The thickness of the wiring copper bar can be determined according to the application scene condition of the terminal block.

The wiring structure is wiring holes 21 arranged at two ends of the wiring copper bar.

In the embodiment of the application, the wiring structure is arranged on the wiring bar 20, so that the wires are connected with the wiring bar 20 conveniently, and meanwhile, the connection quality is ensured. The wiring structure is wiring hole 21 in this application embodiment, compares with screw crimping mode, can save screw mounting structure, simplifies terminal platform structure, reduces part quantity, guarantees wire connection quality moreover. In some embodiments, the wiring structure may also be in other forms to facilitate wiring.

The insulating housing 10 is a plastic housing.

In the embodiment of the present application, the insulating housing 10 is made of plastic and is formed by an injection molding process.

The plastic shell is provided with a fixing hole 13.

In the embodiment of the present application, as shown in fig. 4, a fixing hole 13 is formed on the plastic housing, and the fixing hole 13 is used for fixing the terminal block in the electrical appliance structure.

The terminal block further includes an insulating cover connected to the insulating housing 10.

In the embodiment of the present application, the terminal block further includes an insulating cover, the insulating cover is connected to the insulating housing 10, and the conductive structure and the filter device are connected to form an accommodating cavity between the insulating cover and the insulating housing 10.

The embodiment of the application discloses a motor controller, which comprises the terminal block.

In the embodiment of the application, the terminal block can be applied to the interior of the motor controller and used for connecting a three-phase wiring harness or a direct-current positive and negative bus wiring harness, the terminal block can fix a wiring harness terminal, and the reliable connection of power current in the controller and the wiring harness is realized.

The terminal block in the embodiment of the application is composed of a first filtering magnetic ring 31, a second filtering magnetic ring 32, a safety capacitor, a copper bar, a plastic shell and the like. The terminal block is designed to be of a square structure, and the modular design is convenient for replacement and assembly among platforms; the terminal block integrates components such as a safety capacitor, a filtering magnetic ring and the like, and the bus filtering function is added on the basis of the original terminal fixing; the terminal table is integrated by adopting the processes of rubber coating and glue dispensing, and is integrated into a component, so that the assembly and installation of the whole machine are convenient; the terminal block reasonably utilizes the spatial layout, the first filtering magnetic ring 31 is integrated at the front end, the filtering Y capacitor 33 is arranged at the top, the second filtering magnetic ring 32 is arranged at the tail, the layout is reasonable, the whole block is formed, and the spatial layout is reasonable.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A terminal block, comprising: the device comprises an insulating shell (10), a wiring bank (20) and a filtering device;

the insulating shell (10) is provided with an incoming line structure (11) and an outgoing line structure (12);

the wire inlet structure (11) and the wire outlet structure (12) are respectively provided with a wire inlet hole and a wire outlet hole;

the wiring row (20) comprises two wiring structures, and the two wiring structures respectively correspond to the wire inlet hole and the wire outlet hole;

the filter device is arranged on the insulating shell (10).

2. Terminal block according to claim 1, characterized in that the filter means comprise a first filter magnet ring (31), the first filter magnet ring (31) being arranged on the wire inlet structure (11).

3. The terminal block of claim 2, wherein the filtering arrangement further comprises a second filtering magnetic loop (32), the second filtering magnetic loop (32) being disposed on the outlet structure (12).

4. Terminal block according to claim 3, characterized in that the filter arrangement further comprises a safety capacitor arranged on the lead-in structure (11) and/or the lead-out structure (12).

5. The terminal block of claim 1, wherein the terminal block (20) is a copper block.

6. The terminal block according to claim 5, wherein the wiring structure is wiring holes (21) provided at both ends of the wiring copper bar.

7. The terminal block according to claim 4 or 6, characterized in that the insulating housing (10) is a plastic housing.

8. The terminal block according to claim 7, wherein the plastic housing is provided with a fixing hole (13).

9. The terminal block according to claim 1, further comprising an insulating cover connected with the insulating housing (10).

10. A motor controller comprising the terminal block of any one of claims 1 to 9.