CN218919968U - Motor protection controller with current transformer - Google Patents

Abstract

The utility model relates to a motor protection controller with a current transformer, which comprises a controller main body, the current transformer and a protective shell, wherein one side of the protective shell is opened, and the opening of the protective shell is connected with the side wall of a wiring terminal of the controller main body; the protective housing includes wiring chamber and installation cavity, and the controller main part wiring end is located the installation cavity, and the current transformer is installed in the installation cavity, is equipped with the baffle between installation cavity and the wiring chamber, is equipped with first wiring hole on the baffle; the protective shell is provided with a first door for sealing the wiring cavity and a second door for sealing the mounting cavity, the first door is provided with a plurality of second wiring holes, and the second door and the inner side wall of the mounting cavity corresponding to the second door are provided with threading holes; the outer side wall of the protective shell is provided with a mounting flange, and a plurality of mounting holes are formed in the mounting flange; the wire between motor protection controller and the current transformer is located the protective housing, and to a certain extent has prolonged life, passes first wiring hole moreover, obtains the restriction, is difficult for winding and is convenient for look for.

Description

Motor protection controller with current transformer

Technical Field

The utility model relates to the technical field of motor protection controllers, in particular to a motor protection controller with a current transformer.

Background

The traditional motor protection controller is separated from the current transformer and connected with the current transformer through wires, but the number of wires on the motor protection controller is large, the wires are not fixed and are used for a long time, the wires are easy to wind and separate from the wires, so that the subsequent wiring faults occur, and the wiring terminals are inconvenient to check; furthermore, the lead wires are exposed to the outside, which can affect the service life of the lead wires, and therefore, a motor protection controller with a current transformer is proposed to solve the problems.

Disclosure of Invention

The utility model provides a motor protection controller with a current transformer, wherein a wire between the motor protection controller and the current transformer is positioned in a protective shell, so that the service life is prolonged to a certain extent, and the motor protection controller passes through a first wiring hole to be limited and is distinguished from other wires, so that the motor protection controller is not easy to wind and is convenient to find.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a motor protection controller with a current transformer comprises a controller main body, the current transformer and a protective shell, wherein one side of the protective shell is provided with an opening, and the opening of the protective shell is connected with the side wall of a wiring end of the controller main body;

the protective shell comprises a wiring cavity and a mounting cavity, the wiring terminal of the controller main body is positioned in the mounting cavity, the current transformer is mounted in the mounting cavity, a partition plate is arranged between the mounting cavity and the wiring cavity, and a first wiring hole is formed in the partition plate;

the protective shell is provided with a first door for closing the wiring cavity and a second door for closing the mounting cavity, the first door is provided with a plurality of second wiring holes, and the second door and the inner side wall of the mounting cavity corresponding to the second door are provided with threading holes;

the outer side wall of the protective shell is provided with a mounting flange, and the mounting flange is provided with a plurality of mounting holes.

Preferably, the first wire connecting hole is embedded with a first rubber sleeve.

Preferably, a second rubber sleeve is embedded in the second wiring hole.

Preferably, a third rubber sleeve is embedded in the second wiring hole.

Preferably, dust collection cotton is arranged in the installation cavity.

Preferably, the two non-adjacent inner side walls of the mounting cavity are respectively provided with a vent hole, and a baffle wall is arranged at the vent hole.

Preferably, the vent hole is embedded with a dust collection sleeve.

Compared with the prior art, the utility model has the beneficial effects that:

the current transformer is arranged in the installation cavity and is not exposed to the outside, so that the current transformer is protected from being damaged to a certain extent, and the service life of the current transformer is prolonged; the lead between the motor protection controller and the current transformer is positioned in the protective shell, so that the service life is prolonged to a certain extent, and the lead penetrates through the first wiring hole to be limited and is distinguished from other leads, so that the lead is not easy to wind and is convenient to find; and the arrangement of the first door and the second door is convenient for the connection of other wires of the motor protection controller terminal, the installation of the current transformer and the maintenance of the internal wires.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front cross-sectional view of an embodiment of the present utility model;

fig. 2 is a front view of an embodiment of the present utility model.

Reference numerals illustrate:

1. a controller main body; 2. a current transformer; 3. a protective shell; 4. a wiring cavity; 5. a mounting cavity; 6. a partition plate; 7. a first wiring hole; 8. a first door; 9. a second door; 10. a second wiring hole; 11. a threading hole; 12. a mounting flange; 13. a ground wire hole; 14. a first rubber sleeve; 15. a second rubber sleeve; 16. a third rubber sleeve; 17. dust collection cotton; 18. a vent hole; 19. a retaining wall; 20. a dust collection sleeve.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1-2, the embodiment of the utility model provides a motor protection controller with a current transformer 2, which comprises a controller main body 1, a protective shell 3 and the current transformer 2, wherein one side of the protective shell 3 is opened, the opening of the protective shell 3 is connected with the side wall of the wiring end of the controller main body 1 through a screw, namely, the protective shell 3 extends out of the wiring end of the controller, the protective shell 3 comprises a wiring cavity 4 and a mounting cavity 5, the wiring end of the controller main body 1 is positioned in the mounting cavity 5 and is used for protecting the wiring end, the wiring end is prevented from being exposed, the bottom of the current transformer 2 is arranged on the inner bottom side wall of the mounting cavity 5 through a screw and is used for protecting the current transformer 2, the current transformer 2 is prevented from being exposed, the service life of the current transformer 2 is prolonged to a certain extent, be equipped with baffle 6 between installation cavity 5 and the wiring chamber 4, be equipped with first wiring hole 7 on the baffle 6, the quantity of first wiring hole 7 is six, current transformer 2 is three, two first wiring holes 7 are a set of, correspond the setting on the baffle 6 of current transformer 2 relevant position, a wire is worn to each first wiring hole 7, thereby the wire between current transformer 2 and the wiring of controller main part 1 all passes from corresponding first wiring hole 7, thereby the position of each wire all obtains the restriction, and distinguish with other wires, be difficult for winding and be convenient for look for, moreover, a protective housing 3 is provided, protect current transformer 2 and controller wiring end including, increase life.

The protective housing 3 is equipped with the first door 8 that seals wiring chamber 4 and the second door 9 that seals installation chamber 5, be equipped with a plurality of second wiring holes 10 on the first door 8, except the wire between current transformer 2 and the wiring of controller main part 1, other wires can pass from second wiring hole 10 and be connected with the wiring of outside, be equipped with through wires hole 11 on the second door 9 and the installation chamber 5 inside wall that corresponds with second door 9, through wires hole 11 supplies the cable to pass, the setting of first door 8 and second door 9, the connection of other wires of motor protection controller wiring terminal, the installation of current transformer 2 and the maintenance of internal wire of being convenient for.

Specifically, the outer side wall of the protective shell 3 is provided with a mounting flange 12, the mounting flange 12 is provided with a plurality of mounting holes, and the mounting holes are mounted through screws; the inside wall of installation cavity 5 is provided with ground wire hole 13, and the earth connection of current transformer 2 is convenient for wear to the installation cavity 5 outside through ground wire hole 13.

Preferably, the first rubber sleeve 14 is embedded in the first wiring hole 7, and the wire passing through the first wiring hole 7 is in small clearance fit with the first rubber sleeve 14, so that the wire is fixed on one hand, and a sealing effect is achieved on the other hand, and external dust is prevented from entering the wiring cavity 4 from the first wiring hole 7.

Preferably, the second wire connecting hole 10 is embedded with a second rubber sleeve 15, and the wires passing through the second wire connecting hole 10 are in small clearance fit with the second rubber sleeve 15, so that the wires are fixed on one hand, and a sealing effect is achieved on the other hand, and external dust is prevented from entering the wire connecting cavity 4 from the second wire connecting hole 10.

Preferably, the third rubber sleeve 16 is embedded in the third wiring hole, and the wire passing through the third wiring hole is in small clearance fit with the third rubber sleeve 16, so that the wire is fixed on one hand, and the sealing effect is realized on the other hand, and external dust is prevented from entering the wiring cavity 4 from the third wiring hole.

Preferably, the dust collection cotton 17 is arranged in the installation cavity 5, and the dust collection cotton 17 is arranged on the inner side wall of the installation cavity 5 corresponding to the second door 9, so that dust can be absorbed, a lot of dust is prevented from falling on the current transformer 2 in the installation cavity 5, and the cleaning of the internal environment is ensured to a certain extent.

Preferably, the two non-adjacent inner side walls of the installation cavity 5 are respectively provided with a vent hole 18 for ventilation and heat dissipation, the vent holes 18 are provided with baffle walls 19, foreign objects are prevented from easily entering the installation cavity 5, dust absorption sleeves 20 are embedded in the vent holes 18, dust can be absorbed, a certain amount of dust is reduced to enter the installation cavity 5, and specifically, the dust absorption sleeves 20 are sleeves made of dust absorption cotton 17.

The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.

Claims (7)

1. The motor protection controller with the current transformer is characterized by comprising a controller main body, the current transformer and a protective shell, wherein one side of the protective shell is provided with an opening, and the opening of the protective shell is connected with the side wall of the wiring end of the controller main body;

the protective housing includes wiring chamber and installation cavity, the main part wiring terminal of the said controller is located in the said installation cavity, the said current transformer is installed in the installation cavity, there is a baffle between said installation cavity and said wiring cavity, there is the first wire connection hole on the said baffle;

the protective shell is provided with a first door for sealing the wiring cavity and a second door for sealing the mounting cavity, a plurality of second wiring holes are formed in the first door, and threading holes are formed in the second door and the inner side wall of the mounting cavity corresponding to the second door;

the protective housing lateral wall is equipped with the mounting flange, be equipped with a plurality of mounting holes on the mounting flange.

2. The motor protection controller of claim 1, wherein the first wire connection hole is embedded with a first rubber sleeve.

3. The motor protection controller of claim 1, wherein the second wire connection hole is embedded with a second rubber sleeve.

4. The motor protection controller of claim 1, wherein the second wire connection hole is embedded with a third rubber sleeve.

5. The motor protection controller of claim 1, wherein dust collection cotton is disposed in the mounting cavity.

6. The motor protection controller of claim 1, wherein vent holes are formed in two non-adjacent inner side walls of the mounting cavity, and a blocking wall is arranged at the vent holes.

7. The motor protection controller of claim 6, wherein the vent is embedded with a dust collection sleeve.

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