CN210074557U - Electrical cabinet - Google Patents

Abstract

The utility model provides a regulator cubicle, including the cabinet body and the heat dissipation dust keeper of setting in the cabinet body, heat dissipation dust keeper includes: a drive motor; a piston; the piston cylinder, at least a part of piston stretches into the cavity of piston cylinder, and the cavity has the inlet channel with the internal portion of cabinet intercommunication and the exit channel with the louvre intercommunication of the cabinet body, and driving motor can drive the piston and move in the piston cylinder to change the space size of cavity, when the cavity space increases, the internal steam of cabinet is in the cavity by the inlet channel suction, when the cavity space reduces, steam is by the exit channel through the louvre discharge cabinet body. The utility model provides an among the prior art impurity such as dust particle enter into the problem in the regulator cubicle through the vent window easily.

Description

Electrical cabinet

Technical Field

The utility model relates to an electrical equipment technical field particularly, relates to an electrical cabinet.

Background

The regulator cubicle is formed by steel processing and is used for protecting the cupboard of components and parts normal work, and regulator cubicle preparation material generally divide into hot-rolled steel plate and cold-rolled steel sheet two kinds, and cold-rolled steel plate is softer relatively hot-rolled steel plate, more is fit for the preparation of regulator cubicle, and the regulator cubicle usage is extensive mainly used chemical industry, environmental protection trade, electric power system, metallurgical system, industry, nuclear power trade, fire control safety control, traffic industry etc..

The prior art discloses the application numbers as follows: CN 201721525019.3's dustproof regulator cubicle of heat dissipation, including the fan casing of locating the regulator cubicle outer wall with locate the fan in the fan casing, be equipped with a plurality of fresh air inlets on the fan casing, be equipped with the dust removal pipe in the regulator cubicle, be equipped with on the regulator cubicle wall with the communicating opening of dust removal pipe, it has the play tuber pipe still to link on the dust removal pipe, but the ventilation window of this equipment of this prior art is in open state usually, lead to impurity such as dust particle to enter into the regulator cubicle through the ventilation window easily, and then subside on electrical component, influence electrical component's life.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide an electrical cabinet to solve among the prior art problem that impurities such as dust particle enter into in the electrical cabinet through the vent window easily.

In order to achieve the above object, the utility model provides a regulator cubicle, including the cabinet body and the heat dissipation dust keeper of setting in the cabinet body, heat dissipation dust keeper includes: a drive motor; a piston; the piston cylinder, at least a part of piston stretches into the cavity of piston cylinder, and the cavity has the inlet channel with the internal portion of cabinet intercommunication and the exit channel with the louvre intercommunication of the cabinet body, and driving motor can drive the piston and move in the piston cylinder to change the space size of cavity, when the cavity space increases, the internal steam of cabinet is in the cavity by the inlet channel suction, when the cavity space reduces, steam is by the exit channel through the louvre discharge cabinet body.

Further, the heat dissipation dustproof device further comprises a plurality of one-way valves, and at least one-way valve is arranged at the inlet channel and the outlet channel, so that hot air can only enter the cavity from the inlet channel and can only be discharged out of the cavity from the outlet channel.

Furthermore, the heat dissipation dustproof device further comprises a convex cylinder, the convex cylinder is in driving connection with a driving motor, the end face of the convex cylinder is an inclined face, one end, extending out of the piston cylinder, of the piston is in contact with the inclined face, the driving motor drives the convex cylinder to rotate, the piston is extruded by the inclined face, and the piston moves relative to the piston cylinder to change the space size of the cavity.

Further, one end of the piston extending out of the piston cylinder is provided with a pivotally connected abutting block, and the abutting block is in contact extrusion with the inclined surface.

Furthermore, piston and cavity are a plurality of, and the two one-to-one setting, and the piston sets up along the axis of rotation circumference of convex cylinder.

Further, heat dissipation dust keeper still includes the casing, and the casing setting is in the regulator cubicle, and the piston cylinder is fixed to be set up in the casing to separate the casing for admit air the chamber and go out the gas chamber, the projection is located the intracavity that admits air, inlet channel and admit air the chamber intercommunication, outlet channel and louvre all with go out the gas chamber intercommunication.

Further, the casing still has the motor chamber that holds driving motor, and driving motor's output shaft passes the lateral wall in motor chamber and stretches into to the intake chamber to with convex cylinder drive connection, motor chamber and intake chamber intercommunication, and the intake chamber has the inlet port with the outside intercommunication of casing.

Furthermore, one end, extending into the air inlet cavity, of an output shaft of the driving motor extends into the piston cylinder and is supported on the piston cylinder.

Further, the lateral wall of the air outlet cavity is provided with air outlet holes butted with the heat dissipation holes, the heat dissipation dustproof device further comprises a filter screen and a grating, the filter screen and the grating are both arranged at the air outlet holes, and the filter screen is close to the air outlet cavity compared with the grating.

Further, the heat dissipation dustproof device further comprises a shock absorption seat, the driving motor is connected with the shock absorption seat, and the shock absorption seat is connected with the shell.

Use the technical scheme of the utility model, through adopting piston and piston cylinder complex mode, when the driving motor drive piston pulled out the piston cylinder, the space size of cavity can increase, the internal steam of cabinet can be in the inlet channel is inhaled in the cavity under the effect of atmospheric pressure, when the driving motor drive piston pushed the piston cylinder, the space size of cavity can reduce, the cavity is extruded via outlet channel to the steam in the cavity under the effect of atmospheric pressure, and the louvre discharge regulator cubicle on the follow cabinet body, realize the heat dissipation. The arrangement mode enables the electrical cabinet to realize heat dissipation, and can also avoid impurities such as external dust particles from entering the electrical cabinet, so that the settlement of dust on the electrical element is reduced, and the service life of the electrical element is prolonged.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural view of an electrical cabinet according to the present invention; and

fig. 2 shows a schematic structural diagram of the heat dissipation and dust prevention device of the electrical cabinet in fig. 1.

Wherein the figures include the following reference numerals:

10. a cabinet body; 11. heat dissipation holes; 20. a heat dissipation dustproof device; 21. a drive motor; 211. an output shaft; 22. a piston; 23. a piston cylinder; 231. a cavity; 232. an inlet channel; 233. an outlet channel; 24. a one-way valve; 25. a convex column body; 26. a housing; 261. an air inlet cavity; 262. an air outlet cavity; 263. a motor cavity; 264. an air inlet; 27. a filter screen; 28. a grid; 29. a shock absorbing seat.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present application, where the contrary is not intended, the use of directional words such as "upper, lower, top and bottom" is generally with respect to the orientation shown in the drawings, or with respect to the component itself in the vertical, perpendicular or gravitational direction; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.

In order to solve the problem that impurities such as dust particles enter into the regulator cubicle through the ventilation window easily among the prior art, the utility model provides a regulator cubicle.

As shown in fig. 1 and 2, the electrical cabinet includes a cabinet 10 and a heat dissipation and dust prevention device 20 disposed in the cabinet 10, the heat dissipation and dust prevention device 20 includes a driving motor 21, a piston 22 and a piston cylinder 23, at least a portion of the piston 22 extends into a cavity 231 of the piston cylinder 23, the cavity 231 has an inlet passage 232 communicated with the inside of the cabinet 10 and an outlet passage 233 communicated with a heat dissipation hole 11 of the cabinet 10, the driving motor 21 can drive the piston 22 to move in the piston cylinder 23 and change the size of the cavity 231, when the space of the cavity 231 is increased, hot air in the cabinet 10 is sucked into the cavity 231 through the inlet passage 232, and when the space of the cavity 231 is decreased, the hot air is discharged out of the cabinet 10 through the heat dissipation hole 11 through the outlet passage 233.

This embodiment is through adopting piston 22 and piston cylinder 23 complex mode, when driving motor 21 drive piston 22 pulled out piston cylinder 23, the space size of cavity 231 can increase, steam in the cabinet body 10 can be under atmospheric pressure the effect via inlet channel 232 sucked into cavity 231 in, when driving motor 21 drive piston 22 pushed into piston cylinder 23, the space size of cavity 231 can reduce, steam in the cavity 231 is under atmospheric pressure the effect via outlet channel 233 by extruded cavity 231, and the louvre 11 discharge regulator cubicle on the cabinet body 10 of follow, realize the heat dissipation. The arrangement mode enables the electrical cabinet to realize heat dissipation, and can also avoid impurities such as external dust particles from entering the electrical cabinet, so that the settlement of dust on the electrical element is reduced, and the service life of the electrical element is prolonged.

In this embodiment, the heat dissipation dustproof device 20 further includes a plurality of check valves 24, at least one check valve 24 is disposed at each of the inlet channel 232 and the outlet channel 233, the setting of the check valve 24 ensures that the hot air can only enter the cavity 231 through the inlet channel 232, and can only be discharged out of the cavity 231 through the outlet channel 233, so that the hot air is prevented from flowing reversely, the discharged hot air and the external impurities are prevented from being sucked into the cavity 231, and the neatness of the electrical cabinet is ensured.

Alternatively, the outlet channel 233 is closer to the bottom of the cavity 231 than the inlet channel 232, and the outlet channel 233 is preferably disposed on the bottom surface of the cavity 231, that is, on the surface of the cavity 231 opposite to the piston 22, while the inlet channel 232 may be disposed on the piston cylinder 23 or on the piston 22, and this embodiment is preferably disposed on the piston 22, so that when the space of the cavity 231 is increased, the hot gas can be sucked into the cavity 231 along with the increase of the cavity 231, and the heat dissipation and dust prevention device 20 can exert good heat dissipation performance.

In this embodiment, the heat dissipation dust-proof device 20 further includes a convex pillar 25, the convex pillar 25 is in driving connection with the driving motor 21, an end surface of the convex pillar 25 is an inclined surface, one end of the piston 22 extending out of the piston cylinder 23 contacts with the inclined surface, the driving motor 21 drives the convex pillar 25 to rotate, the inclined surface presses the piston 22, and the piston 22 moves relative to the piston cylinder 23 to change the space size of the cavity 231. Convex cylinder 25 is preferably cylindrical, and convex cylinder 25 and driving motor 21's output shaft 211 coaxial arrangement, and the terminal surface of convex cylinder 25 towards piston 22 is the inclined plane, forms non-90 degrees contained angle between the axis of this inclined plane and convex cylinder 25, and like this, when driving motor 21 drives convex cylinder 25 and rotates, the distance between the inclined plane on the convex cylinder 25 and the piston cylinder 23 just can change, thereby make the rotation of convex cylinder 25 drive piston 22 linear motion, realize the change of cavity 231 space size. Of course, the convex pillar 25 may be configured in other shapes as needed.

Alternatively, the end of the piston 22 extending beyond the piston cylinder 23 has a pivotally connected abutment block which presses in contact with the inclined surface. The movement track line of the piston 22 is parallel to the axis of the convex cylinder 25, and the convex cylinder 25 rotates when extruding the piston 22, so that the end part of the piston 22 is provided with a butt block, when the convex cylinder 25 rotates, the convex cylinder 25 extrudes the butt block, and the butt block rotates relative to the piston 22, thereby being beneficial to the linear movement of the piston 22.

In this embodiment, the piston cylinder 23 is provided with a plurality of cavities 231, each cavity 231 is circumferentially arranged along the rotation axis of the convex cylinder 25, correspondingly, the piston 22 is also provided with a plurality of pistons, and is also circumferentially arranged along the rotation axis of the convex cylinder 25, and the cavities 231 and the pistons 22 are arranged in a one-to-one correspondence manner, and one ends of all the pistons 22 are all abutted to the inclined surface of the convex cylinder 25, so that the convex cylinder 25 can simultaneously drive all the pistons 22 to move when rotating, wherein a part of the pistons 22 move in the direction of extending into the cavities 231, and the other part of the pistons 22 move in the direction of withdrawing from the cavities 231, thereby improving the heat dissipation efficiency of the heat dissipation dustproof device 20 and ensuring good heat dissipation performance of the electrical cabinet.

In this embodiment, the heat dissipation dustproof device 20 further includes a separately disposed housing 26, the housing 26 is disposed in the electrical cabinet and is fixedly connected to the cabinet 10 of the electrical cabinet, the heat dissipation hole 11 is disposed on the cabinet 10, the piston cylinder 23 is fixedly disposed in the housing 26 and divides the housing 26 into an air inlet cavity 261 and an air outlet cavity 262, the convex pillar 25 is disposed in the air inlet cavity 261, the inlet channel 232 is communicated with the air inlet cavity 261, and the outlet channel 233 and the heat dissipation hole 11 are both communicated with the air outlet cavity 262. Thus, when the size of the cavity 231 changes, the cavity 231 can suck the hot air in the air inlet cavity 261 into the cavity 231 through the inlet channel 232, and then the hot air enters the air outlet cavity 262 through the outlet channel 233 and is exhausted from the electrical cabinet through the heat dissipation hole 11. The casing 26 can protect relevant components arranged inside the casing, so that the influence of other components in the electrical cabinet on the internal components is avoided, and the normal use of the electrical cabinet is ensured.

In this embodiment, casing 26 still has the motor chamber 263 who holds driving motor 21, the output shaft 211 of driving motor 21 passes the lateral wall of motor chamber 263 and stretches into to admit air the chamber 261 in, and be connected with the drive of convex cylinder 25, be provided with the bearing between the lateral wall of output shaft 211 and motor chamber 263, through the through-hole intercommunication between motor chamber 263 and the chamber 261 that admits air, and admit air the chamber 261 and have the inlet hole 264 with the outside intercommunication of casing 26, admit air the chamber 261 not only can dispel the heat to the part outside casing 26 like this, can also discharge the heat that the work of driving motor 21 in the casing 26 produced regulator cubicle, realize omnidirectional radiating effect. The motor cavity 263 which is arranged independently facilitates the installation of the driving motor 21, meanwhile, a shock absorption seat 29 is further arranged between the driving motor 21 and the shell 26, and the driving motor 21 is connected with the shell 26 through the shock absorption seat 29, so that the shell 26 is influenced by the shock of the driving motor 21 as little as possible, and the shock intensity of the heat dissipation work of the electrical cabinet is reduced.

Preferably, the air inlet holes 264 may be provided in plurality, and each air inlet hole 264 is sequentially arranged along the circumferential direction of the casing 26, so that the air inlet cavity 261 is unblocked with the outside of the casing 26, and the heat dissipation effect of the heat dissipation and dust prevention device 20 is ensured.

The output shaft 211 of the driving motor 21 may be a single shaft, or may be formed by sequentially connecting a plurality of shafts through a coupling, and since the output shaft 211 is a rotating body with a high rotation speed and a small number of supports, the dynamic balance thereof is crucial, and generally, the output shaft 211 needs to be subjected to a dynamic balance test before shipment and adjusted on a balancing machine to ensure the normal operation thereof.

Preferably, the end of the output shaft 211 of the drive motor 21 extending into the air inlet cavity 261 extends into the piston cylinder 23 and is supported on the piston cylinder 23, and a bearing is also arranged between the output shaft 211 and the piston cylinder 23. Particularly, the center department at piston cylinder 23 has seted up the pit, and the one end of output shaft 211 stretches into in the pit to make the tip of output shaft 211 support on piston cylinder 23, avoid rocking when output shaft 211 rotates, guarantee output shaft 211's steady operation.

In this embodiment, the sidewall of the air outlet cavity 262 has an air outlet butted with the heat dissipation hole 11, the heat dissipation and dust prevention device 20 further comprises a filter screen 27 and a grille 28, the filter screen 27 and the grille 28 are both disposed at the air outlet, and the filter screen 27 is close to the air outlet cavity 262 compared with the grille 28. The setting of filter screen 27 and grid 28 has guaranteed that steam can normally arrange outside the regulator cubicle, has further avoided impurity such as outside dust particle to enter into heat dissipation dust keeper 20 through louvre 11 in, has guaranteed the clean and tidy nature in the regulator cubicle. Preferably, the grill 28 is of unitary construction with the housing 26.

In addition, can also set up chassis and support in the bottom of the cabinet body 10 as required to the support cabinet body 10 makes the cabinet body 10 liftoff certain height that has, can set up button and display screen simultaneously on the cabinet door of the cabinet body 10, so as to operate the regulator cubicle, and can guarantee the normal work of regulator cubicle through the relevant parameter of display screen monitoring adjustment regulator cubicle.

It should be noted that, a plurality in the above embodiments means at least two.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

1. the problem that impurities such as dust particles and the like easily enter the electrical cabinet through the ventilation window in the prior art is solved;

2. while the heat dissipation of the electrical cabinet is realized, impurities such as external dust particles and the like can be prevented from entering the electrical cabinet, the sedimentation of dust on the electrical element is reduced, and the service life of the electrical element is prolonged;

3. avoid the reverse circulation of steam, guarantee that exhaust hot gas and outside impurity can not inhaled by the cavity to guarantee the clean and tidy nature in the regulator cubicle.

It is obvious that the above described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above 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.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The electrical cabinet is characterized by comprising a cabinet body (10) and a heat dissipation dustproof device (20) arranged in the cabinet body (10), wherein the heat dissipation dustproof device (20) comprises:

a drive motor (21);

a piston (22);

piston cylinder (23), at least a part of piston (22) stretch into in cavity (231) of piston cylinder (23), cavity (231) have with the inside inlet channel (232) of intercommunication of cabinet body (10) and with exit channel (233) of louvre (11) intercommunication of the cabinet body (10), driving motor (21) can drive piston (22) are in the motion in piston cylinder (23), and change the space size of cavity (231), when cavity (231) space increases, steam in the cabinet body (10) is by inlet channel (232) is inhaled in cavity (231), when cavity (231) space reduces, steam is by exit channel (233) through louvre (11) discharge the cabinet body (10).

2. The electrical cabinet according to claim 1, wherein the heat dissipation and dust protection device (20) further comprises a plurality of one-way valves (24), wherein at least one-way valve (24) is arranged at each of the inlet channel (232) and the outlet channel (233), so that hot gas can only enter the cavity (231) from the inlet channel (232) and can only exit the cavity (231) from the outlet channel (233).

3. The electrical cabinet according to claim 1, wherein the heat dissipation and dust prevention device (20) further comprises a convex cylinder (25), the convex cylinder (25) is in driving connection with the driving motor (21), an end surface of the convex cylinder (25) is an inclined surface, one end of the piston (22) extending out of the piston cylinder (23) is in contact with the inclined surface, the driving motor (21) drives the convex cylinder (25) to rotate, the inclined surface presses the piston (22), and the piston (22) moves relative to the piston cylinder (23) to change the size of the space of the cavity (231).

4. The electrical cabinet according to claim 3, wherein the end of the piston (22) extending beyond the piston cylinder (23) has a pivotally connected abutment block which presses in contact with the inclined surface.

5. The electrical cabinet according to claim 3, wherein the piston (22) and the cavity (231) are provided in a plurality and correspond to each other one by one, and the piston (22) is circumferentially provided along the rotation axis of the convex cylinder (25).

6. The electrical cabinet according to claim 3, wherein the heat dissipation and dust prevention device (20) further comprises a housing (26), the housing (26) is disposed in the electrical cabinet, the piston cylinder (23) is fixedly disposed in the housing (26) and divides the housing (26) into an air inlet cavity (261) and an air outlet cavity (262), the convex cylinder (25) is located in the air inlet cavity (261), the inlet channel (232) is communicated with the air inlet cavity (261), and the outlet channel (233) and the heat dissipation hole (11) are both communicated with the air outlet cavity (262).

7. The electrical cabinet according to claim 6, wherein the housing (26) further has a motor cavity (263) for accommodating the driving motor (21), the output shaft (211) of the driving motor (21) extends into the air intake cavity (261) through a side wall of the motor cavity (263) and is in driving connection with the convex cylinder (25), the motor cavity (263) is communicated with the air intake cavity (261), and the air intake cavity (261) has an air intake hole (264) communicated with the outside of the housing (26).

8. The electrical cabinet according to claim 7, characterized in that the output shaft (211) of the drive motor (21) protrudes into the piston cylinder (23) at one end of the inlet chamber (261) and is supported on the piston cylinder (23).

9. The electrical cabinet according to claim 6, wherein the side wall of the air outlet cavity (262) has an air outlet hole butted with the heat dissipation hole (11), the heat dissipation and dust prevention device (20) further comprises a filter screen (27) and a grille (28), the filter screen (27) and the grille (28) are both disposed at the air outlet hole, and the filter screen (27) is closer to the air outlet cavity (262) than the grille (28).

10. The electrical cabinet according to claim 6, wherein the heat dissipation and dust prevention device (20) further comprises a damper base (29), the driving motor (21) is connected with the damper base (29), and the damper base (29) is connected with the housing (26).

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