CN216958540U - Sealing dustproof structure of motor controller - Google Patents

Abstract

The utility model discloses a sealing dustproof structure of a motor controller, belongs to the technical field of control panel mounting structures, and solves the technical problem that the anti-interference performance of a control panel is reduced due to the existing mounting mode. Installation, protective cover and output connection terminal suitable for binding post, the protective cover can close by the lid output connection terminal, install binding post in the output connection terminal, wherein: contact segment between protective cover and the output connection terminal is provided with the dust proof coating, the dust proof coating can be used for preventing at least that the metal debris that binding post installation produced from dropping extremely in the output connection terminal. The use function of the motor controller is integrally improved, and the situation that the high-voltage area of the motor controller is short-circuited due to the existence of metal scraps is avoided.

Description

Sealing dustproof structure of motor controller

Technical Field

The utility model belongs to the technical field of control panel mounting structures, and particularly relates to a sealing dustproof structure of a motor controller.

Background

The wiring bin and the high-voltage control bin are often required to be separated in the structure of the motor controller, so that the functional safety performance of the controller is ensured, however, metal fragments and fine sundries are easily generated after the wiring bin is opened and enter the controller, or the metal fragments are generated when the wiring terminal is fixed through a bolt and also easily fall into the motor controller, so that the high-voltage area of the protection controller is short-circuited, foreign matters are not allowed by external requirements, the metal fragments enter the main bin, namely, the wiring terminal is output by people and falls into a wiring seat, and at present, the dustproof process design is not applied to the external power wiring harness end of the motor controller for dust prevention.

In view of the above, the present invention is particularly proposed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sealing dustproof structure of a motor controller, which solves the technical problem that metal chips are easy to fall into an output wire holder in the existing installation mode, so that a high-voltage area of the controller is short-circuited. The technical scheme of the scheme has a plurality of technical beneficial effects, which are introduced as follows:

the utility model provides a motor controller's sealed dustproof construction is applicable to binding post's installation, protective cover and output connection terminal, the protective cover can close by the lid output connection terminal, install binding post in the output connection terminal, wherein:

contact segment between protective cover and the output connection terminal is provided with the dust proof coating, the dust proof coating can be used for preventing at least that the metal debris that binding post installation produced from dropping extremely in the output connection terminal.

In a preferred or alternative embodiment, the dust barrier is a foam layer that fills the contact between the protective cover and the output terminal block.

In a preferred or alternative embodiment, the foam layer is made of an antistatic foam material.

In a preferred or optional embodiment, the protective cover is provided with a profiling hole corresponding to the connection terminal, the profiling hole is matched with the connection terminal in shape, and the connection terminal can extend out of the protective cover or be flush with the protective cover, and/or the connection terminal is tightly matched with the profiling hole.

In a preferred or alternative embodiment, the output wire holder is provided with mounting grooves at intervals for mounting the wiring terminals, the mounting grooves are used for placing the wiring terminals, and the mounting of the wiring terminals is carried out through fixing pieces.

In a preferred or alternative embodiment, a wiring harness is further placed in the mounting groove, one end of the wiring harness is connected with the wiring terminal, and the other end of the wiring harness extends out of the mounting groove to be connected with the butt-joint terminal.

In a preferred or alternative embodiment, the heat sink further comprises a top surface on which the output wire holders are mounted.

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

the device that the present case provided, contact segment between protective cover and output connection terminal is provided with the dust proof layer, installs radiator etc. in machine controller's the high-pressure storehouse, and the output connection terminal is then installed on the radiator or in, also is in highly compressed work environment, and metal piece arouses the emergence short circuit of protection controller high-pressure area easily in high-pressure environment, through the setting of dust proof layer, can effectively avoid this condition to appear.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall installation of the present invention;

FIG. 2 is a schematic diagram of an output wire holder of the present invention;

FIG. 3 is a schematic view of a protective cover of the present invention;

FIG. 4 is a schematic view of the present invention with a dust protective layer;

wherein: 1. an output wire holder; 2. a wiring terminal; 3. copper bars; 4. a bolt; 5. mounting grooves; 6. a protective cover; 61. profiling holes; 62. positioning a plate; 7. and (4) a dust-proof layer.

Detailed Description

The following embodiments of the present invention are provided by way of specific examples, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. 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 invention.

It is noted that various aspects of the embodiments are described below within the scope of the appended claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the disclosure, one skilled in the art should appreciate that one aspect described herein may be implemented independently of any other aspects and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented and/or a method practiced using any number of the aspects set forth herein. Additionally, such an apparatus may be implemented and/or such a method may be practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.

It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the drawings only show the components related to the present invention rather than the number, shape and size of the components in practical implementation, and the type, quantity and proportion of the components in practical implementation can be changed freely, and the layout of the components can be more complicated.

In addition, in the following description, specific details are provided to provide a thorough understanding of the examples. However, it will be understood by those skilled in the art that aspects may be practiced without these specific details. In order that those skilled in the art will better understand the disclosure, the utility model will be described in further detail with reference to the accompanying drawings and specific embodiments. 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. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

Install pencil and binding post 2 in the output wire holder 1, pencil one end winding is behind binding post 2, squeeze into binding post 2 at output wire holder 1 through bolt 4, and at the installation of bolt 4, pencil or binding post 2 easily form the metal piece, the piece if fall into between protective cover 6 and the output wire holder 1 or fall into output wire holder 1 in, machine controller is in the course of the work, and the short circuit takes place easily in the protection control ware high-pressure area.

The sealing dustproof structure of the motor controller shown in fig. 1 and 4 is suitable for installation of a wiring terminal 2, a protective cover 6 and an output wiring base 1, wherein the protective cover 6 can cover the output wiring base 1, and the wiring terminal 2 is installed in the output wiring base 1. Install the copper bar 3 of three-phase on the output connection terminal 1, on binding post 2 penetrated 3 backs of three-phase copper bar and squeeze into output connection terminal 1 through bolt 4, binding post 2 was connected with the butt joint terminal through three-phase copper bar 3, and the butt joint terminal is promptly, the terminal of the IGBT module among the prior art, wherein:

contact segment between protective cover 6 and output wire holder 1 is provided with the dust layer, and the dust layer can be used for preventing at least that the metal piece that binding post 2 installation produced from dropping to output wire holder 1 in, and impurity in the environment gets into in output wire holder 1 is avoided to protective cover 6. Install the radiator etc. in motor controller's the high-pressure storehouse, output connection terminal 1 then installs on the radiator or in, also is in highly compressed operational environment, and the metal piece arouses the emergence short circuit in protection controller high-pressure area easily in high-pressure environment, through the setting of dust layer, can effectively avoid this condition to appear.

As an embodiment provided in the present application, the dust-proof layer is a foam layer filled in a contact portion between the protective cover 6 and the output wire holder 1. Preferably, the foam layer is made of an anti-static foam material. The foamed material of plastic particles is called foam for short. The foam is divided into PU foam, antistatic foam, conductive foam, EPE, antistatic EPE, CR, EVA, bridging PE, SBR, EPDM, etc. The foam has the characteristics of elasticity, light weight, quick pressure-sensitive fixation, convenient use, free bending, ultrathin volume, reliable performance and the like. The situation that the high-voltage area of the controller is short-circuited due to the existence of metal scraps is avoided, and the service efficiency of the motor controller is improved.

Further, as shown in fig. 3, it is avoided that the protective cover 6 is in the disassembling process, impurities deposited on the top surface of the protective cover 6 fall into the output wire holder 1, the protective cover 6 is provided with a profiling hole 61 corresponding to the wiring terminal 2, the profiling hole 61 is matched with the wiring terminal 2 in shape, so that the wiring terminal 2 can extend out of the protective cover 6 or flush with the protective cover 6, and/or the wiring terminal 2 is tightly matched with the profiling hole 61, and through the arrangement of the dust-proof layer, the falling of external impurities or internal metal debris is avoided.

As a specific embodiment provided by the present disclosure, as shown in fig. 2, the output wire holder 1 is provided with mounting grooves 5 at intervals for mounting the wire connecting terminal 2, the number of the mounting grooves 5 is at least three, and each mounting groove 5 is provided. The mounting groove 5 is used for placing the wiring terminal 2 and mounting the wiring terminal 2 through a fixing piece.

The pencil has still been placed in output wire holder 1's installation, mounting groove 5, and pencil one end binding post 2 connects, and the other end is installed in mounting groove 5.

As the specific implementation mode provided by the scheme, the solar cell module further comprises a radiator, and the top surface of the radiator is provided with the output wire holder 1.

As shown in fig. 4, the positioning plates 62 are spaced on the protecting cover 6 to facilitate the installation of the protecting cover 6 and the output wire holder 1, and then the pressing force on the dust-proof layer can be increased to prevent small-particle impurities from entering the output wire holder 1.

Through the setting of profiling structure on the protective cover 6, and the setting of dust-proof layer can realize:

1. prevent that metal debris and impurities enter the main cabin of the controller to influence the functional safety in the cover dismounting process

2. Prevent that the metal copper bits that produce from getting into main storehouse when IPT pencil bolt 4 is fixed, is dismantled

3. The output connection base 1 and the control cabin share the box body, the space volume is reduced, and the power density is improved

4. Connect output wire holder 1 and main control storehouse spatial separation, make things convenient for outside pencil dismouting.

The products provided by the present invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the core concepts of the present invention. It should be noted that, for a person skilled in the art, without departing from the inventive concept of the present invention, several improvements and modifications can be made to the utility model, and these improvements and modifications also fall within the scope of the claims of the utility model.

Claims (7)

1. The utility model provides a motor controller's sealed dustproof construction is applicable to binding post's installation, its characterized in that, protective cover and output connection terminal, the protective cover can close by the lid output connection terminal, install binding post in the output connection terminal, wherein:

contact segment between protective cover and the output connection terminal is provided with the dust proof coating, the dust proof coating can be used for preventing at least that the metal debris that binding post installation produced from dropping extremely in the output connection terminal.

2. The sealing dustproof structure according to claim 1, wherein the dustproof layer is a foam layer filling a contact portion between the protective cover and the output wire holder.

3. The structure of claim 2, wherein the foam layer is made of an antistatic foam material.

4. The sealing dustproof structure of claim 1, wherein the protective cover is provided with a profiling hole corresponding to the connection terminal, the profiling hole is matched with the connection terminal in shape, and is used for enabling the connection terminal to extend out of the protective cover or to be flush with the protective cover, and/or enabling the connection terminal to be tightly matched with the profiling hole.

5. The sealing dustproof structure according to claim 4, wherein mounting grooves for mounting the connection terminals are provided at intervals on the output terminal base, the mounting grooves are used for placing the connection terminals, and the connection terminals are mounted through fixing members.

6. The sealing and dust-proof structure according to claim 5, wherein a wire harness is further placed in the mounting groove, one end of the wire harness is connected with the wiring terminal, and the other end of the wire harness is placed in the mounting groove.

7. The sealed dustproof structure according to claim 1, further comprising a heat sink, the output wire holder being mounted on a top surface of the heat sink.

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