Utility model content
The purpose of this utility model is to provide a kind of low-tension switch cabinet, to solve low tension switch present in prior art
The bad technical problem of cabinet waterproof, radiating effect.
To achieve the above object, the technical solution adopted in the utility model is:A kind of low-tension switch cabinet is provided, including:Cabinet
Body, and the top cover at the top of the cabinet, the top cover include having the hot portion that goes out of hot hole, and the low-tension switch cabinet is also
Including be covered on it is described go out hot portion above protection device, what the protection device included with bottom side openings first goes out hot chamber
Overhead guard, and one end be inserted into described first go out hot cavity and the other end located at it is described go out hot portion's peripheral edge extension assembly, institute
State extension assembly and go out hot chamber including second, the protection device also includes going out hot intracavitary located at described first and both ends connect respectively
In the overhead guard and the support component of the extension assembly, it is described go out hot hole, second go out hot chamber, first go out hot chamber and described open
Mouth sequentially connects.
Further, the overhead guard includes overhead guard top plate and the overhead guard side plate located at the overhead guard top plate edge, institute
State overhead guard top plate, the overhead guard side plate encloses and to form first and go out hot chamber.
Further, ventilating opening is offered on the overhead guard side plate.
Further, the extension assembly includes multiple splash guards, and the multiple splash guard, which encloses, to be formed second and go out hot chamber.
Further, the extension assembly also includes located at the splash guard top and is connected to the of the support component
One flanging, and located at the splash guard bottom and with it is described go out the second flanging for being connected of hot portion's peripheral edge.
Further, the support component includes post body, and is divided into first spiral shell at the post body top, bottom both ends
Post and the second stud, the diameter of axle of first stud are less than the diameter of axle of the post body.
Further, the support component also includes the first nut and the second nut, and first stud is passed through and is opened in
First through hole on the overhead guard top plate is simultaneously connected with first nut;Second stud is through being opened in described the
The second through hole on one flanging is simultaneously connected with second nut.
Further, the splash guard, first flanging, the second flanging integrated molding.
Further, the overhead guard also includes the dust ring located at the overhead guard side plate bottom.
Further, the dust ring, the overhead guard top plate, the overhead guard side plate integrated molding.
The beneficial effect of low-tension switch cabinet provided by the utility model is:Compared with prior art, the utility model is low
Cabinet compress switch by setting a protection device in the top lid for going out hot portion on its top cover, the protection device includes having bottom side
The overhead guard that the first of opening goes out hot chamber, and one end are inserted into first and go out hot cavity and the other end is located at out hot portion's peripheral edge
Extension assembly, the extension assembly go out hot chamber including second, and the protection device also includes going out hot intracavitary and both ends point located at first
Be not connected to the support component of overhead guard and extension assembly, meanwhile, go out hot hole, second go out hot chamber, first go out hot chamber and opening according to
Sequence connects.In this way, the heat inside cabinet can pass through hot hole, second go out hot chamber, first goes out hot chamber, go out finally by first
The bottom side openings of hot chamber to external diffusion, meanwhile, by making one end of extension assembly stretch into the first inside for going out hot chamber, and by supporting
It is connected by component with overhead guard interval, therefore can ensure that low-tension switch cabinet is not dropped vertically while heat dissipation channel is significantly widened
Or the rainwater to drop or the outside threat dripped are tilted, substantially increase the waterproof cooling performance of low-tension switch cabinet.
Embodiment
In order that technical problem to be solved in the utility model, technical scheme and beneficial effect are more clearly understood, with
Lower combination drawings and Examples, the utility model is further elaborated.It is it should be appreciated that described herein specific real
Example is applied only to explain the utility model, is not used to limit the utility model.
It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another
On one element or it is connected on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", " on ", " under ", "front", "rear", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " top ", " bottom " " interior ", " outer " are to be closed based on orientation shown in the drawings or position
System, it is for only for ease of and describes the utility model and simplified description, rather than the device or element of instruction or hint meaning is necessary
With specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or two
More than, unless otherwise specifically defined.
Also referring to Fig. 1 to Fig. 6, now low-tension switch cabinet provided by the utility model is illustrated.The low pressure is opened
Close cabinet, including cabinet 10, the top cover 20 located at the top of cabinet 10 and the protection device 30 above top cover 20.Wherein, push up
Lid includes going out hot portion 21 for ventilation and heat, and this goes out hot portion 21 and go out hot hole 211 including several, and this goes out hot hole 211 and is and cabinet
The through hole of the inner space of body 10 connection, certainly, it can also be other structure types that this, which goes out the hot structure of portion 21, such as radiator-grid
Deng so that heat caused by the work of the internal unit of cabinet 10 can go out the discharge of hot portion 21 from this and be defined, not limiting uniquely herein.
Specifically, above-mentioned protection device 30 goes out the top in hot portion 21 described in, and the protection device 30 includes overhead guard 31, extension assembly
32nd, support component 33.The overhead guard 31 is to include the first box-shaped member for going out hot chamber 311 with bottom side openings 312, and the overhead guard 31 covers
The top of extension assembly 32 is located at, is mainly used as waterproof and dustproof;The extension assembly 32 is substantially pushed up, bottom both ends open it is box-like
Part, including go out hot chamber 321 positioned at top, second between the both ends of bottom, its bottom is located at out on the hot peripheral edge of portion 21, and this second
Go out hot chamber 321 to connect with going out hot hole 211, admittedly heat inside cabinet 10 can be made to come second and go out heat from going out after hot hole 211 sheds
Chamber 321;Here, the top of extension assembly 32 extend into first and gone out inside hot chamber 311, and passes through support component 33 and the phase of overhead guard 31
Connection;The 33 generally rod-shaped part of support component, goes out inside hot chamber 311, its top is connected with overhead guard 31, bottom positioned at first
Be connected with extension assembly 33, be connected so that overhead guard 31 be spaced with extension assembly 33, admittedly realize the lid of overhead guard 31 is set and
While in extension assembly 33, make second to go out hot chamber 321 and go out being interconnected for hot chamber 311 with whole first, admittedly heat can be achieved out
Hole 211, second go out hot chamber 321, first go out the complete connection of hot chamber 311, and first goes out hot chamber 311 and pass through its bottom side openings 312
Be communicated in exterior space, Gu finally make to draw hot hole 211, second go out hot chamber 321, first go out hot chamber 311, opening 312 sequentially connects
It is logical, and it is communicated in exterior space.
Low-tension switch cabinet provided by the utility model, compared with prior art, the utility model low-tension switch cabinet by
The top lid for going out hot portion on its top cover sets a protection device, and the protection device includes the periphery sides for being erected on out hot portion 21
The extension assembly 32 of edge, the extension assembly 32 can be used for preventing oblique rainwater from entering hot hole 211, the top of the extension assembly 32
The bottom of support component 33 is connected to, the top of the support component 33 is connected with overhead guard 31, and the substantially bar of support component 32
Shape structure, overhead guard 31 and extension assembly 32 are strutted into a certain distance between each other, i.e.,:Overhead guard 31 is set to be spaced with extension assembly 32
It is connected, so-called interval is connected, it is intended that the relative position of overhead guard 31 and extension assembly 32 is fixed but is not contacted with each other, so that will top
Cover 31 realizes that second goes out hot chamber 321 and go out hot the complete of chamber 311 with first to connect while be covered on 32 top of extension assembly, due to
First opening 312 for going out hot chamber 311 connects with exterior space, Gu the first opening 312 for going out hot chamber 311 also can go out hot chamber with second
321 connections completely, hot hole 211 is realized out immediately, second goes out hot chamber 312, first go out hot chamber 311 and opening 312 sequentially
Connection.In this way, the heat inside cabinet 10 can pass through hot hole 211, second go out hot chamber 321, first goes out hot chamber 311, finally
Spread by opening 312 to exterior space, it is necessary to illustrate, the top of extension assembly 32 stretches into first from opening 312 and goes out heat
The inside of chamber 311, and it is spaced with overhead guard 31 by support component 33 and is connected, it can ensure while heat dissipation channel is significantly widened
Low-tension switch cabinet is not dropped vertically or tilted the rainwater that drops or the outside threat dripped, and substantially increases low-tension switch cabinet
Waterproof cooling performance.
Further, referring to Fig. 6, a kind of embodiment as low-tension switch cabinet provided by the utility model,
The overhead guard 31 includes overhead guard top plate 313 and the overhead guard side plate 314 located at the edge of overhead guard top plate 313, the overhead guard top plate
313rd, overhead guard side plate 314, which encloses, to form first and goes out hot chamber 311.Specifically, the substantially bottom end opening of overhead guard 31 in the present embodiment
Box-shaped member, the rainwater that its overhead guard top plate 313 is mainly used in preventing vertically dropping enters;Its overhead guard side plate 314 is to prevent
Tilt the rainwater to drop or drip into inside cabinet 10, while also can prevent dust from entering cabinet from side to a certain extent
10。
Further, referring to Fig. 6, a kind of embodiment as low-tension switch cabinet provided by the utility model,
Ventilating opening 3141 is offered on overhead guard side plate 314.Here, ventilating opening 3141 and first go out hot chamber 311, second go out hot chamber 321 with
And go out hot hole 211 and sequentially connect, and because ventilating opening 3141 connects with exterior space, so as to which the structure is added for low-tension switch cabinet
Another heat dissipation path, i.e. heat can pass through hot hole 211, second go out hot chamber 321, first go out hot chamber 311 finally by divulging information
Mouth 3141 spreads to exterior space, substantially increases radiating efficiency;On the other hand, in the present embodiment, located at overhead guard side plate 314
Ventilating opening 3141 have several, the tetrad of ventilating opening 3141 is spaced apart on overhead guard side plate 314, the ventilating opening 3141
Outboard cover is provided with port lid, and the port lid is outwards extended downwardly by the top edge of air vent 3141, the easy-formation simple in construction, is being ensured
Radiate it is unobstructed on the premise of ensure not allow excessive rainwater to pour in while also have and certain block dirt work into the first heat dissipation cavity 311
With.
Further, Fig. 2, Fig. 4 and Fig. 5 are referred to, one kind as low-tension switch cabinet provided by the utility model is specific
Embodiment, extension assembly 32 include multiple splash guards 322, and the multiple splash guard 322, which encloses, to be formed second and go out hot chamber 321.
Specifically, in the present embodiment, including four pieces of splash guards 322, four splash guards 322 are divided into out the periphery in hot portion 21
Edge, to be formed second being enclosed jointly and goes out hot chamber 311 space that to be the internal heat of cabinet 10 reach by going out hot hole 211, this
Two radial dimensions for going out hot chamber 321 are less than the radial dimension of opening 312, so that the top of extension assembly can stretch from opening 312
Enter first to go out inside hot chamber 311.
Further, Fig. 2, Fig. 4 and Fig. 5 are referred to, one kind as low-tension switch cabinet provided by the utility model is specific
Embodiment, extension assembly 32 also include located at the top of splash guard 322 and are connected to the first flanging 323 of support component 33, with
And the second flanging 324 being connected located at the bottom of splash guard 322 and with going out the hot peripheral edge of portion 21.Here, the first flanging 323 is relative
Outwards turned down to away from the second side for going out hot chamber 321 in splash guard 322, and the first flanging 323 is somebody's turn to do perpendicular to splash guard 322
Structure main function is to make the first flanging 323 is convenient to be connected with support component 33, so as to realize extension assembly 32 and support group
The connection of part 33, certainly, the structure can be replaced other structures that can be connected with support component 33, not limit uniquely herein.
Equally, the second flanging 324 also outwards turns down relative to splash guard 322 to away from the second side for going out hot chamber 321, but it is mainly made
With being, outside rainwater or dust are eliminated from extension assembly 32 and goes out between the hot peripheral edge of portion 21 gap location being likely to form and enters
The possibility of cabinet 10, also eliminate the necessity for adding a seal again here.
Further, Fig. 2 and Fig. 4 is referred to, one kind specific implementation as low-tension switch cabinet provided by the utility model
Mode, the support component 33 include post body 331, and be divided into the post body 331 push up, first stud at bottom both ends (figure
Do not show) and the second stud 333, the diameter of first stud 332 should be less than the diameter of post body 331.Here, post body 331
The diameter that diameter is more than the first stud 332 is to prevent from still supporting what overhead guard 31 consolidated when screw thread has loosened
The top of post body 331 is against, without because the problem of downslide of overhead guard 31 occurs in the reason such as screw thread life-span, this is simple in construction easily
It is molded and helps to increase the service life.
Further, referring to Fig. 4, a kind of embodiment as low-tension switch cabinet provided by the utility model,
The support component 33 also includes the first nut 334 and the second nut 335, and above-mentioned first stud passes through and is opened in above-mentioned overhead guard top
First through hole 3121 on plate 313, and be connected with first nut 334;Above-mentioned second stud 333 is above-mentioned through being opened in
The second through hole on first flanging 323, and be connected with second nut 335.The easily assembling simple in construction.Certainly, it is above-mentioned
Structure can be replaced other attachment structures, not limit uniquely herein.Preferably, as described in Fig. 2,4, in the present embodiment, the
One nut 334 uses the closed bulb nut in one end, can so avoid rainwater from entering from thread pitch in overhead guard 10, can also
Prevent screw thread from the phenomenon got rusty occur because of long-term rainwater immersion.
Further, a kind of embodiment as low-tension switch cabinet provided by the utility model, the splash guard
322nd, the first flanging 323, the integrated molding of the second flanging 324.These parts use integrated molding, improve efficiency of assembling.
Certainly, according to actual conditions, in other embodiment of the present utility model, these parts can also make by other means, this
Place does not limit uniquely.
Further, Fig. 4 to Fig. 6 is referred to, one kind specific implementation as low-tension switch cabinet provided by the utility model
Mode, the overhead guard 31 also include the dust ring 315 located at the bottom of overhead guard side plate 314.Here, dust ring 315 is by four pieces of tabulars
Part encloses to be formed, the easy-formation simple in construction.Specifically, the dust ring 315 is located at the bottom of overhead guard side plate 314, and and overhead guard
Side plate 314 is perpendicular, reduces the inlet area that dust enters cabinet 10 to a certain extent;The inner ring of the dust ring 315 should be with
The lateral surface of splash guard 322 is spaced apart, and is not in contact with each other, so as to ensure that first goes out hot chamber 311 and connected with exterior space, i.e. heat
It can be discharged at the first bottom side openings 312 for going out hot chamber 311.Of course, it is possible to according to working environment, ensureing appropriate radiating
The width of dust ring is flexibly set on the basis of efficiency and dust-proof effect.
Further, a kind of embodiment as low-tension switch cabinet provided by the utility model, the dust ring
314th, overhead guard top plate 312, the integrated molding of overhead guard side plate 313.These parts use integrated molding, improve efficiency of assembling.
Certainly, according to actual conditions, in other embodiment of the present utility model, these parts can also make by other means, this
Place does not limit uniquely.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.