CN220155985U - External high tension switchgear dehydrating unit - Google Patents

Abstract

The utility model discloses an external high-voltage switch cabinet dehumidifying device, which relates to the field of dehumidification of power equipment and comprises a sealing assembly arranged on a cabinet body, wherein the sealing assembly comprises a group of pressing plates and two movable rings, a plurality of groups of pressing plates are arranged in an inner cavity of the movable rings in a surrounding mode, extrusion blocks are arranged on the inner walls of the two movable rings, and when the movable rings move, the movable rings can press the pressing plates to approach or separate from the central positions of the movable rings; according to the dehumidifying device of the external high-voltage switch cabinet, the drain pipe of the dehumidifier is convenient to install, the inside and the outside of the cabinet body are separated, so that the humidity inside the high-voltage switch cabinet is effectively reduced, and the discharge defect inside the switch cabinet is eliminated; the pressing plate is separated from or installed on the drain pipe of the dehumidifier by pressing the movable ring, and the movable ring is pushed to two sides by the elastic piece after the pressing plate is loosened, so that the pressing plate is tightly pressed on the outer surface of the drain pipe, and the drain pipe is sealed and fixed.

Description

External high tension switchgear dehydrating unit

Technical Field

The utility model relates to a dehumidification technology of power equipment, in particular to an external dehumidification device of a high-voltage switch cabinet.

Background

The switch cabinet is an electrical device, the external line of the switch cabinet firstly enters the main control switch in the cabinet, then enters the sub-control switch, and each shunt is arranged according to the requirement. Such as meters, automatic controls, motor magnetic switches, various ac contactors, and the like, and high-voltage and low-voltage chamber switch cabinets, high-voltage buses, such as power plants, and the like. In the prior art, the inside of the switch cabinet is usually only provided with components or is provided with some simple dehumidifiers, but the humidity inside the switch cabinet cannot be effectively solved obviously, and the humidity inside the switch cabinet can directly influence the humidity inside the switch cabinet and has important influence on the electrical safety inside the switch cabinet and the service life of a cable terminal, so that the humidity inside the switch cabinet needs to be reasonably controlled.

The current many cubical switchboard use environment humidity is great, and because air humidity is great can produce salt fog, it can not only corrode electronic components, still can form the dewfall on electronic components surface, the risk that insulating device was broken down by high pressure has been increased, reduce the reliability of device, make the life-span of equipment shorten, and in order to handle cabinet internal portion humidity, the usual user can be provided with the dehumidifier at cabinet body next door, run through the cabinet body through the pipeline on the dehumidifier and extend to cabinet external portion, export the cabinet body with moisture, but produce the gap easily between cabinet body and the pipeline, make outside steam get into the cabinet internal portion again, thereby in order to isolate outside moisture, an external high-voltage switchgear dehydrating unit has been developed.

Disclosure of Invention

The utility model aims to provide an external high-voltage switch cabinet dehumidifying device so as to solve the defects in the prior art.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides an external high tension switchgear dehydrating unit, includes the closure subassembly of establishing on the cabinet body, wherein, closure subassembly includes a set of clamp plate and two expansion rings, and a plurality of sets of the clamp plate encircles the setting and is in the inner chamber of expansion ring, two the extrusion piece is all installed to the inner wall of expansion ring, works as the expansion ring removes, the expansion ring can press the clamp plate to expansion ring central point puts and is close to or keeps away from.

As a further optimization scheme of the utility model, a supporting piece is arranged between the two movable rings and is used for supporting the two movable rings.

As a further optimization scheme of the utility model, the supporting piece is provided with a plurality of groups of limiting rods, and the plurality of groups of limiting rods are arranged on the outer surface of the supporting piece in a surrounding mode.

As a further optimization scheme of the utility model, a plurality of groups of slotted holes are formed on the outer surfaces of the two movable rings, and the outer surfaces of the limiting rods are slidably arranged on the inner walls of the slotted holes.

As a further optimization scheme of the utility model, the upper end of the supporting piece is provided with a through hole in a penetrating way, an inner cavity of the through hole is provided with an elastic piece, and two ends of the elastic piece are respectively connected with one ends of the two movable rings opposite to each other.

As a further optimization scheme of the utility model, the inner walls of the two movable rings are provided with extrusion blocks, and the extrusion blocks can be used for pressing the pressing plates.

As a further optimization scheme of the utility model, the outer surface of the pressing plate is connected with the inner wall of the supporting piece, the cross sections of the two ends of the pressing plate are larger than the cross sections of the connecting parts of the pressing plate and the supporting piece, and the pressing plate expands towards the two ends of the pressing plate in a gradually increasing mode.

As a further optimization scheme of the utility model, the outer surface of the movable ring is fixedly provided with an annular connecting block.

Compared with the prior art, the external high-voltage switch cabinet dehumidifying device provided by the utility model has the advantages that the sealing component is used for limiting the drain pipe of the dehumidifier, preventing the loosening of the pipeline, avoiding the occurrence of the condition that external water vapor is adhered to the pipeline and enters the cabinet body again, and simultaneously separating the cabinet body from the outside, so that the internal humidity of the high-voltage switch cabinet is effectively reduced, and the internal discharge defect of the switch cabinet is eliminated; the pressing plate is separated from or installed on the dehumidifier drain pipe by pressing the movable ring, and the movable ring is pushed to two sides by the elastic piece after the pressing plate is loosened, so that the pressing plate is tightly pressed on the outer surface of the dehumidifier drain pipe, and the dehumidifier drain pipe is sealed and fixed.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic diagram of an overall structure according to an embodiment of the present utility model;

FIG. 2 is a first schematic view of a closure assembly according to an embodiment of the present utility model;

FIG. 3 is a second schematic view of a seal assembly according to an embodiment of the present utility model;

FIG. 4 is a cross-sectional view of the internal structure of a seal assembly provided by an embodiment of the present utility model;

fig. 5 is a schematic view of an internal structure of a seal assembly according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a cabinet body; 2. a closure assembly; 11. a hole; 21. a movable ring; 22. extruding a block; 23. a support; 24. a pressing plate; 25. a slot hole; 26. a limit rod; 27. a through hole; 28. an elastic member; 29. and (5) connecting a block.

Detailed Description

The present disclosure is described in further detail below with reference to the drawings and the embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant content and not limiting of the present disclosure. It should be further noted that, for convenience of description, only a portion relevant to the present disclosure is shown in the drawings.

In addition, embodiments of the present disclosure and features of the embodiments may be combined with each other without conflict. The technical aspects of the present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Unless otherwise indicated, the exemplary implementations/embodiments shown are to be understood as providing exemplary features of various details of some ways in which the technical concepts of the present disclosure may be practiced. Thus, unless otherwise indicated, features of the various implementations/embodiments may be additionally combined, separated, interchanged, and/or rearranged without departing from the technical concepts of the present disclosure.

The use of cross-hatching and/or shading in the drawings is typically used to clarify the boundaries between adjacent components. As such, the presence or absence of cross-hatching or shading does not convey or represent any preference or requirement for a particular material, material property, dimension, proportion, commonality between illustrated components, and/or any other characteristic, attribute, property, etc. of a component, unless indicated. In addition, in the drawings, the size and relative sizes of elements may be exaggerated for clarity and/or descriptive purposes. While the exemplary embodiments may be variously implemented, the specific process sequences may be performed in a different order than that described. For example, two consecutively described processes may be performed substantially simultaneously or in reverse order from that described. Moreover, like reference numerals designate like parts.

When an element is referred to as being "on" or "over", "connected to" or "coupled to" another element, it can be directly on, connected or coupled to the other element or intervening elements may be present. However, when an element is referred to as being "directly on," "directly connected to," or "directly coupled to" another element, there are no intervening elements present. For this reason, the term "connected" may refer to physical connections, electrical connections, and the like, with or without intermediate components.

For descriptive purposes, the present disclosure may use spatially relative terms such as "under … …," under … …, "" under … …, "" lower, "" above … …, "" upper, "" above … …, "" higher "and" side (e.g., as in "sidewall"), etc., to describe one component's relationship to another (other) component as illustrated in the figures. In addition to the orientations depicted in the drawings, the spatially relative terms are intended to encompass different orientations of the device in use, operation, and/or manufacture. For example, if the device in the figures is turned over, elements described as "under" or "beneath" other elements or features would then be oriented "over" the other elements or features. Thus, the exemplary term "below" … … can encompass both an orientation of "above" and "below". Furthermore, the device may be otherwise positioned (e.g., rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Furthermore, when the terms "comprises" and/or "comprising," and variations thereof, are used in the present specification, the presence of stated features, integers, steps, operations, elements, components, and/or groups thereof is described, but the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof is not precluded. It is also noted that, as used herein, the terms "substantially," "about," and other similar terms are used as approximation terms and not as degree terms, and as such, are used to explain the inherent deviations of measured, calculated, and/or provided values that would be recognized by one of ordinary skill in the art.

Referring to fig. 1-5, an external high-voltage switch cabinet dehumidifying device comprises a closing component 2 arranged on a cabinet body 1, wherein the closing component 2 comprises a group of pressing plates 24 and two movable rings 21, the pressing plates 24 are arranged in inner cavities of the movable rings 21 in a surrounding mode, extrusion blocks 22 are arranged on inner walls of the two movable rings 21, and when the movable rings 21 move along the axial direction of the movable rings, the movable rings 21 can press the pressing plates 24 to approach or separate from the central positions of the movable rings 21.

In this scheme, fix the dehumidifier drain pipe when drawing close to the centre through clamp plate 24, in this embodiment, through at cabinet body 1 one side fixed mounting there is small-size dehumidifier, offer hole 11 at the high tension switchgear back, with dehumidifier and hole 11 inner wall connection, it is external with the dehumidifier drain pipe again, effectively reduce the inside humidity of high tension switchgear, eliminate the inside defect of discharging of cubical switchboard, fix when clamp plate 24 and dehumidifier drain pipe, the part that the dehumidifier drain pipe carried out fixed contact can set up the rubber layer, make wholly when fixing, keep stable.

Further, a support 23 is provided between the two movable rings 21, and the support 23 is used for supporting the two movable rings 21.

Specifically, the movable range of the two movable rings 21 is limited by the supporting piece 23, more specifically, the supporting piece 23 can be arranged at the middle position of the two movable rings 21, and the supporting piece 23 is slidably mounted on the inner walls of the two movable rings 21, wherein the supporting piece 23 is in a circular ring shape; that is, the support 23 and the movable ring 21 are relatively movable.

Further, a plurality of groups of limiting rods 26 are arranged on the supporting piece 23, and the plurality of groups of limiting rods 26 are arranged on the outer surface of the supporting piece 23 in a surrounding mode. A plurality of groups of slotted holes 25 are formed on the outer surfaces of the two movable rings 21, and the outer surfaces of the limiting rods 26 are slidably arranged on the inner walls of the slotted holes 25.

In this embodiment, specifically, the movable ring 21 is limited by the limiting rod 26 disposed on the supporting member 23, and meanwhile, the movable ring 21 is provided with the slot 25 attached to the limiting rod 26, so that the slot 25 limits the sliding range of the movable ring 21, and meanwhile, the inner wall of the movable ring 21 is provided with the hidden sliding groove, which does not penetrate through the movable ring 21, so that the movable ring 21 is not affected by external factors during movement.

Further, a through hole 27 is formed in the upper end of the supporting member 23, an elastic member 28 is disposed in the inner cavity of the through hole 27, and two ends of the elastic member 28 are respectively connected with opposite ends of the two movable rings 21.

Specifically, the elastic member 28 is an elastic device such as a spring, and may be made of elastic rubber, and when the dehumidifier drain pipe is placed inside the movable ring 21, the movable ring 21 is released, so that the elastic member 28 pushes the movable ring 21 to slide on the supporting member 23, and the movable ring 21 returns to the initial position, and an electric telescopic rod may be provided inside the through hole 27, and the electric telescopic rod is connected with an external power source, and pushes the movable ring 21 slidably mounted on the supporting member 23 to slide through the electric telescopic rod.

Further, the pressing blocks 22 are mounted on the inner walls of both movable rings 21, and the pressing plates 24 are pressed by the pressing blocks 22. The outer surface of the pressing plate 24 is connected with the inner wall of the supporting member 23, and the cross section of both ends of the pressing plate 24 is larger than that of the connection with the supporting member 23, and expands in a stepwise increasing manner toward both ends of the pressing plate 24. Before the pressing plate 24 is deformed, its inner surface forms a cylindrical surface, and its outer surface forms tapered surfaces of gradually increasing diameter in a direction from the center to both ends, that is, the wall thickness of the pressing plate 24 gradually increases in a direction from the center of the pressing plate 24 to both ends of the pressing plate 24.

In this scheme, extrusion piece 22 is inlayed in the inside of expansion ring 21, and outstanding partly is used for extrusion clamp plate 24, makes clamp plate 24 tightly press the surface at the dehumidifier drain pipe, and the thickness of clamp plate 24 towards both ends gradually increases more simultaneously, and clamp plate 24 comprises rubber, and when extrusion piece 22 receives the elasticity of elastic component 28 to the both ends slip, the inner wall of clamp plate 24 is provided with a plurality of rubber screw threads, and clamp plate 24 laminating is more closely in the surface of dehumidifier drain pipe, keeps apart cabinet body 1 and outside when fixing.

Further, an annular connection block 29 is fixedly installed on the outer surface of the movable ring 21. The annular connecting block 29 is fixedly connected with the inner wall of the concave hole formed in the cabinet body 1, so that the whole sealing assembly 2 is fixedly installed on the inner wall of the concave hole, and when the dehumidifier drain pipe penetrates to the outside of the cabinet body 1, the dehumidifier drain pipe is fixed and sealed through the sealing assembly 2, so that the inside and the outside of the cabinet body 1 are isolated.

In the description of the present specification, reference to the terms "one embodiment/manner," "some embodiments/manner," "example," "a particular example," "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/manner or example is included in at least one embodiment/manner or example of the utility model. In this specification, the schematic representations of the above terms are not necessarily for the same embodiment/manner or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/modes or examples described in this specification and the features of the various embodiments/modes or examples can be combined and combined by persons skilled in the art without contradiction.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

It will be appreciated by those skilled in the art that the above-described embodiments are merely for clarity of illustration of the disclosure, and are not intended to limit the scope of the disclosure. Other variations or modifications will be apparent to persons skilled in the art from the foregoing disclosure, and such variations or modifications are intended to be within the scope of the present disclosure.

Claims (5)

1. The utility model provides an external high tension switchgear dehydrating unit, its characterized in that, including establishing the closure subassembly on the cabinet body, wherein, closure subassembly includes a set of clamp plate and two expansion rings, the clamp plate encircles the setting and is in the inner chamber of expansion ring, two the extrusion piece is all installed to the inner wall of expansion ring, when the expansion ring removes, the expansion ring presses the clamp plate to the central point of expansion ring puts near or keeps away from, wherein two be provided with support piece between the expansion ring, support piece is used for supporting two the expansion ring, the surface of clamp plate with support piece's inner wall connection, just the cross section of clamp plate be greater than with support piece's junction cross section, just the cross section of clamp plate personally submits gradually increasing form to the both ends expansion plate, before the clamp plate warp, the surface of clamp plate forms a cylinder, the surface of clamp plate forms the conical surface that the diameter gradually increases along the direction from center to both ends.

2. The dehumidifying device for external high-voltage switch cabinets of claim 1, wherein the supporting member is provided with a plurality of groups of limiting rods, and the plurality of groups of limiting rods are arranged on the outer surface of the supporting member in a surrounding manner.

3. The dehumidifying device for external high-voltage switch cabinets according to claim 2, wherein a plurality of groups of slots are formed in the outer surfaces of the two movable rings, and the outer surfaces of the limiting rods are slidably mounted on the inner walls of the slots.

4. The dehumidifying device for external high-voltage switch cabinets according to claim 2, wherein the upper end of the supporting member is provided with a through hole in a penetrating manner, an inner cavity of the through hole is provided with an elastic member, and two ends of the elastic member are respectively connected with two opposite ends of the movable ring.

5. The dehumidifying device for external high-voltage switch cabinets of claim 1, wherein an annular connecting block is fixedly arranged on the outer surface of the movable ring.