CN209448251U - Electric cabinet - Google Patents

Abstract

The utility model relates to technical field of electric appliances, a kind of electric cabinet is provided, electric cabinet main body including being in cuboid, electric cabinet main body includes pedestal, two frames, the bottom plate on the inside of pedestal, top cover, the front cover on front side of two frames, two groups of side plates and backboard, the upside and downside of front cover and the upper side and lower side of backboard are equipped with lintel plate, backboard and each lintel plate are equipped with multiple arched holes, the inside of arched hole is equipped with heat sink, backboard is equipped with multiple heat release holes, arched hole is opening down, is equipped with sealing unit between front cover, backboard and each group side plate and frame.Electric cabinet provided by the utility model, sealing unit, which can be avoided moisture and fill connection gap, to be entered in electric cabinet, arched hole is offered on lintel plate and backboard, arched hole is opening down, can both play certain water-proof function, is also beneficial to shedding for electric cabinet internal heat；Meanwhile heat sink is sticked on the inside of arched hole, heat sink is equipped with heat release hole, not only improves heat dissipation and can play waterproof action.

Description

Electric cabinet

Technical field

The utility model relates to technical field of electric appliances, especially provide a kind of electric cabinet.

Background technique

Existing low-voltage cabinet is mostly made of frame-generic and covering plate in electrical apparatus industry, and covering plate constitutes close with frame Structure is closed, although playing certain waterproof action, cabinet body is airtight, and heat dissipation effect is bad.And another existing electric cabinet, Aperture on plate, permeability is good, and heat dissipation preferably, but does not have water-proof function.

Utility model content

The purpose of this utility model is to provide a kind of electric cabinets, it is intended to solve electric cabinet in the prior art heat dissipation and waterproof without The technical issues of method is realized simultaneously.

Electric cabinet that in order to achieve the above purposes, the technical solution adopted by the utility model is:, the electric cabinet master including being in cuboid Body, the electric cabinet main body include pedestal, are arranged in parallel in two frames of the left and right sides on the pedestal, are set on the inside of the pedestal Bottom plate, be fixed on two frame roofs top cover, the front cover on front side of two frames, be respectively arranged on two frames Two groups of side plates in outside and the backboard on rear side of the frame, the upside of the front cover and downside and the backboard The upper side and lower side is equipped with lintel plate, and each lintel plate is equipped with multiple first heat release holes, and the inside of first heat release hole is equipped with First heat sink, the backboard are equipped with multiple second heat release holes, and the inside of second heat release hole is equipped with the second heat sink, institute It states the first heat sink and is equipped with the third heat release hole for carrying out heat exchange for first heat sink two sides, on second heat sink Equipped with the 4th heat release hole for carrying out heat exchange for second heat sink two sides, first heat release hole and second heat release hole For downward opening arched hole, it is single that sealing is equipped with described in the front cover, the backboard and each group between side plate and the frame Member.

Further, lintel plate-girder is equipped between two frames, the lintel plate-girder is equipped with the first strip hole, the lintel plate Set on the outside of the lintel plate-girder, and the upper and lower edge of the lintel plate bends towards the lintel plate-girder and fits in described first Strip hole two sides, the first strip hole inside are equipped with the first air permeable plate, and it is ventilative that first air permeable plate is equipped with multiple first Hole.

Further, side plate mounting rack is additionally provided on each frame, each side plate mounting rack includes being arranged in parallel in Two first vertical beams between the frame and the first curb girder between two first vertical beams, face on two frames Two first curb girders between be equipped with the installation crossbeam of power supply component installation, each first vertical beam and each first side Beam is equipped with the buckle structure cooperated with the side plate, is equipped with ventilation on each first vertical beam and each first curb girder Hole.

Further, the diameter of the third heat release hole is less than the thickness of first heat sink；4th heat release hole Diameter be less than second heat sink thickness；The diameter of first air hole is less than the thickness of first air permeable plate.

Further, between two frames and it is located on the inside of the front cover and is equipped with multiple first crossbeams, multiple described the One crossbeam will be divided into multiple regions between two frames, the front cover has multiple, and multiple front covers are covered on respectively On each region, shaft seat is equipped on each first crossbeam in the horizontal direction, the shaft seat includes and first cross The fixed mounting portion of beam, and towards the interconnecting piece of stretching on the outside of the frame, the interconnecting piece is equipped with a shaft, the shaft Upper end be arranged with can along the shaft rotate axle cap, the lower end of the axle cap is bonded with the interconnecting piece；Each front cover Top edge be connected with the lower end of the shaft, the lower edge of each front cover is connected with the axle cap of the shaft.

Further, the side on each front cover far from the shaft is embedded with the first lockset, outside first lockset Side is equipped with the flip lid that lid closes the first lockset lockhole, and the frame is equipped with locking bit corresponding with first lockset.

Further, the sealing unit is the sealant being arranged along the front cover, the backboard and the side board edge Item.

Further, side plate described in each group is equipped with muti-piece, and the edge of the two neighbouring side plates along the vertical direction With the first stacked structure, first stacked structure includes first be bent by the top edge of the underlying side plate Bend slot, and by the lower edge for the side plate being located above bend inwards and with it is described first bending slot fasten first under Flange, the first bending channel opening outwardly, have drainage gap between first lower flange and the first bending slot；

The backboard is equipped with muti-piece along the vertical direction, and the edge of the two neighbouring backboards has the second stacked knot Structure, second stacked structure include the second bending slot being bent by the top edge of the underlying backboard, Yi Jiyou The second lower flange that the lower edge for the backboard being located above bends inwards and fastens with the second bending slot, described second It bends channel opening outwardly, there is drainage gap between second lower flange and the second bending slot.

Further, the backboard is equipped with L-shaped blend stop, one side court of the blend stop close to the side of the base of frame It is seamlessly connected to the front cover and with the lintel plate-girder, the another side of the blend stop is upward and close set on second lower flange The side of the front cover has drainage gap between second lower flange and the blend stop.

Further, the bottom plate includes the noseplate set gradually from front to back, insole board and outlet bottom plate, described Insole board is equipped with the second strip hole, and the lower section of second strip hole is equipped with the second air permeable plate, sets on second air permeable plate There is the second air hole.

The utility model has the beneficial effects that

Electric cabinet provided by the utility model, each connecting portion be provided with sealing unit can be avoided moisture fill connection gap into Enter in electric cabinet, heat release hole is offered on lintel plate and backboard, heat release hole is in bridge type, opening down, it can to play certain waterproof Function is also beneficial to shedding for electric cabinet internal heat；Meanwhile heat sink is sticked on the inside of heat release hole, can prevent moisture from dissipate Hot hole enters inside electric cabinet, plays dual waterproof effect, and the hot gas inside electric cabinet can be flowed out from the arched hole of heat release hole, rises Preferable heat dissipation effect is arrived.

Detailed description of the invention

It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with It obtains other drawings based on these drawings.

Fig. 1 is the front view of electric cabinet provided by the embodiment of the utility model；

Fig. 2 is the schematic perspective view inside electric cabinet provided by the embodiment of the utility model；

Fig. 3 is the explosive view at lintel plate and first crossbeam；

Fig. 4 is the second heat release hole of Fig. 2 dorsulum and the structural schematic diagram of the second heat sink；

Fig. 5 is the enlarged drawing in Fig. 3 at C；

Fig. 6 is the enlarged drawing in Fig. 3 at D；

Fig. 7 is the shaft seat at A in Fig. 1, shaft, the schematic perspective view of axle cap；

Fig. 8 is the structural schematic diagram of the front cover lower edge in Fig. 1 at A；

Fig. 9 is the schematic diagram of the stacked structure in Fig. 1 at B；

Figure 10 is the schematic diagram of the structure in Fig. 2 at blend stop.

Wherein, each appended drawing reference in figure:

11-pedestals, 12-frames, 13-first crossbeams, 14-side plate mounting racks, the 141-the first vertical beam, 142-the One curb girder, 15-installation crossbeams, 16-connecting plates；

21-front covers, 211-front cover lower flanges, the 212-the first lockset, 2121-flip lids, 22-side plates, 221-the first It bends under slot, the 222-the first lower flange, 23-backboards, the 2311-the second heat release hole, the 232-the second heat sink, 233-the second Flange, 241-lintel plates, the 2411-the first heat release hole, the 242-the first heat sink, 2421-third heat release holes, 243-the first are thoroughly Gas plate, the 2431-the first air hole, 244-lintel plate-girders, the 2441-the first strip hole, 25-bottom plates, 251-noseplates, 252-insole boards, 253-rear bottom plates, 26-top covers, 27-blend stops；

31-shaft seats, 311-mounting portions, 312-interconnecting pieces, 32-shafts, 33-axle caps, 331-axle cap plates, 332-axle cap detents, L1-draining flow direction.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model Limitation.

In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ", The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this The limitation of utility model.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.

It please refers to shown in Fig. 1 to Figure 10, electric cabinet provided by the embodiment of the utility model, the electric cabinet master including being in cuboid Body, electric cabinet main body include pedestal 11, are arranged in parallel in two frames 12 of the left and right sides on pedestal 11, set on the bottom of 11 inside of pedestal Plate 25, the front cover 21 on front side of two frame 12, is respectively arranged on outside two frames 12 top cover 26 for being fixed on two frames, 12 top Two groups of side plates 22 of side and the backboard 23 on rear side of frame 12, the upside and downside of front cover 21 and the upside of backboard 23 It is equipped with lintel plate 241 with downside, each lintel plate 241 is equipped with multiple first heat release holes 2411, and the inside of the first heat release hole 2411 is set There is the first heat sink 242, backboard 23 is equipped with multiple second heat release holes 2311, and the inside of the second heat release hole 2311 is equipped with second and dissipates Hot plate 232, the first heat sink 242 be equipped with for 242 two sides of the first heat sink carry out heat exchange third heat release hole 2421, second Heat sink 232 is equipped with the 4th heat release hole (not shown) that heat exchange is carried out for 232 two sides of the second heat sink, the first heat release hole 2411 and second heat release hole 2311 be downward opening arched hole, between front cover 21, backboard 23 and each group side plate 22 and frame 12 It is equipped with sealing unit.

The electric cabinet provided in the present embodiment, each connecting portion be provided with sealing unit can be avoided moisture from connection gap into Enter in electric cabinet, offers the first heat release hole 2411 and the second heat release hole 2311, the first heat release hole on lintel plate 241 and backboard 23 respectively 2411 and second heat release hole 2311 be in bridge type, it is opening down, it can to play certain water-proof function, be also beneficial to inside electric cabinet Heat sheds；Meanwhile first heat sink 242 be sticked in the inside of the first heat release hole 2411, the second heat sink 232 is sticked second 2311 inside of heat release hole, can prevent moisture from entering inside electric cabinet from the first heat release hole 2411 and the second heat release hole 2311, play Dual waterproof effect.Wherein arched hole is to protrude above from plate, and protrude three side of part and connect with plate, another side and plate Form open edge；When opening down, when water keeps away from the side flow down of mouth from protrusion part, aperture position just position In the lower section of protrusion, so as to avoid moisture from flowing into the plate other side from opening, when water flows to protrusion from horizontal direction, Can the portion of being raised block, can not be in inlet opening.Certainly, electric cabinet is in cuboid, including cube here, and what is indicated is electric cabinet Approximate construction, certain error may be present in edge.Wherein, being sticked only indicates that two planes close and connected to together, indicate Position, rather than connection type, connection type can be welding, riveting etc..And sealing unit then can be sealing strip, sealing Glue, gasket etc. can enter in electric cabinet to avoid moisture from interconnecting piece 312.Wherein, the 4th heat release hole and third radiate 2421 hole shapes are identical.

Referring to shown in Fig. 2, Fig. 3, Fig. 5 and Fig. 6, being equipped with lintel plate-girder 244 between two frames 12, lintel plate-girder 244 is equipped with the One strip hole 2441, lintel plate 241 is set to the outside of lintel plate-girder 244, and the upper and lower edge of lintel plate 241 is bent towards lintel plate-girder 244 And 2441 two sides of the first strip hole are fitted in, the first air permeable plate 243, the first air permeable plate 243 are equipped on the inside of the first strip hole 2441 It is equipped with multiple first air holes 2431.In the present embodiment, the first air permeable plate 243 plays third weight waterproof action, meanwhile, The air outflow on the inside of electric cabinet can be held, so that heat be made to disperse therewith.Lintel plate 241 and the first heat sink 242 apart from close, when water from After arched hole opening enters, it is possible to side inside can be continued from third heat release hole 2421 and flowed, due to 2421 hole of third heat release hole Diameter is small, causes water flow by resistance, by big big retarding when flowing out third heat release hole 2421, and then falls, and third heat release hole 2421 and first the distance between air hole 2431 hinder moisture and pass through the first air hole 2431.Simultaneously as in work, electricity Cabinet fever, hot-air, which rises from the first air hole 2431, to flow out, it will blows out from the first air hole 2431, can also hinder moisture Enter electric cabinet on the outside of lintel plate 241.

It is shown in reference picture 1, Fig. 2, side plate mounting rack 14 is additionally provided on each frame 12, each side plate mounting rack 14 includes parallel Two first vertical beams 141 being set between frame 12 and the first curb girder 142 between two first vertical beams 141, two frames The installation crossbeam 15 of power supply component installation, each first vertical beam 141 and Ge are equipped on 12 between two first curb girders 142 of face One curb girder 142 is equipped with the buckle structure cooperated with side plate 22, is equipped on each first vertical beam 141 and each first curb girder 142 logical Air holes (not shown).In the present embodiment, side plate 22 is connected and fixed by buckle structure, and structure is simple, convenient disassembly.Certainly, may be used Screw installation position to be arranged on frame 12, side cover is further fixed by screw.Here sealing unit, can be and set The sealing joint strip in side plate 22 and 12 joint place of frame is set, it, can be by the seam between side plate 22 and frame 12 when tightening screw Gap sealing.Ventilation hole is set, is conducive to the air flowing inside electric cabinet, accelerates radiating rate.

Thickness of the diameter of third heat release hole 2421 less than the first heat sink 242；The diameter of 4th heat release hole is less than second The thickness of heat sink 232；Thickness of the diameter of first air hole 2431 less than the first air permeable plate 243.In the present embodiment, third dissipates Hot hole 2421, the 4th heat release hole and the first air hole 2431 are all designed using longer circular hole, can ensure ventilative heat dissipation There is preferable waterproof action simultaneously, since length is greater than diameter, can seriously hinder the splashing of water flow.Since water flow can only be from bridge The lower section in shape hole is up flowed, and arched hole could be passed through；And third heat release hole 2421, the 4th heat release hole, the first air hole 2431 Opening it is non-downwards, cause the water flow across arched hole entering third heat release hole 2421, the 4th heat release hole, the first air hole After 2431, it will necessarily be hindered, slow down by hole wall, avoid on the electric elements that moisture is splashed on the inside of electric cabinet.Preferably, third dissipates Hot hole 2421, the 4th heat release hole, the first air hole 2431 are horizontally disposed cylindric through-hole, easy to process in this way, are saved Cost.

Referring to Fig.1, shown in Fig. 7 and Fig. 8, between two frames 12 and it is located on the inside of front cover 21 equipped with multiple first crossbeams 13, Multiple first crossbeams 13 will be divided into multiple regions between two frames 12, front cover 21 has multiple, and multiple front covers 21 cover set respectively In on each region, being equipped with shaft seat 31 on each first crossbeam 13 in the horizontal direction, shaft seat 31 includes fixed with first crossbeam 13 Mounting portion 311, and towards the interconnecting piece 312 stretched out on the outside of frame 12, interconnecting piece 312 is equipped with a shaft 32, shaft 32 Upper end is arranged with the axle cap 33 that can be rotated along shaft 32, and the lower end of axle cap 33 is bonded with interconnecting piece 312；The top of each front cover 21 Edge is connected with the lower end of shaft 32, and the lower edge of each front cover 21 is connected with the axle cap 33 of shaft 32.In the present embodiment, shaft 32 is set It sets in 13 outside of first crossbeam, it is close convenient for being arranged at the gap that 21 edge of front cover is closed with first crossbeam 13 or the lid of frame 12 Seal strip can guarantee the waterproof performance of front cover 21.Wherein, the setting of shaft 32 can also rise in 13 outside of first crossbeam, axle cap 33 To good waterproof action, the gap at shaft 32 can be blocked, avoids moisture from 32/ shaft seat 31 of shaft and front cover 21/ the The connection gap of one crossbeam 13 enters in electric cabinet.Wherein, 33 lower end of axle cap is equipped with axle cap plate 331, and the other end of axle cap plate 331 is set There is axle cap detent 332, the lower edge of front cover 21 is equipped with inside front cover lower flange 211, and front cover lower flange 211 is equipped with and axle cap First connecting hole 2111 of 33 upper ends connection, and the second connecting hole 2112 being connect with axle cap detent 332；21 top edge of front cover Equipped with inside front cover upper overturning also is provided with, front cover upper overturning is equipped with the third connecting hole connecting with shaft lower end and (does not show Out).

Shown in referring to Fig.1, the side on each front cover 21 far from shaft 32 is embedded with the first lockset 212, outside the first lockset 212 Side is equipped with the flip lid 2121 that lid closes 212 lockhole (not shown) of the first lockset, and frame 12 is equipped with lock corresponding with the first lockset 212 Position (not shown).In the present embodiment, flip lid 2121 can be avoided moisture and enter in electric cabinet from lockhole.Moreover, the first lockset 212 The edge of front cover 21 can be pressed together on and (not shown along the sealing joint strip that 21 edge of front cover is arranged on frame 12 and first crossbeam 13 On out).

Sealing unit is the sealing joint strip (not shown) being arranged along front cover 21, backboard 23 and 22 edge of side plate.Here it seals Adhesive tape is fixed on frame 12, on first crossbeam 13, either sealing joint strip is embedded in by card slot (not shown) by setting card slot, It is also possible to fix by screw.The position of sealing joint strip mainly corresponds to four sides of front cover 21, the top of side plate 22 and backboard 23 Edge and both sides of the edge.Wherein front cover 21 is in rectangle, and the edge on four sides has inside flange, and side plate 22 and backboard 23 are also in square Shape, and lower edges, both sides of the edge have inside flange.

Referring to Fig.1, shown in Fig. 2, Fig. 9, each group side plate 22 is equipped with muti-piece, and neighbouring both side plate 22 along the vertical direction Edge have the first stacked structure, the first stacked structure includes first be bent by the top edge of underlying side plate 22 Bend slot 221, and by the lower edge for the side plate 22 being located above bend inwards and with first bending slot 221 fasten first under Flange 222, the first bending channel opening outwardly, have drainage gap between the first lower flange 222 and the first bending slot 221；Backboard 23 along the vertical direction be equipped with muti-piece, and the edge of two neighbouring backboards 23 have the second stacked structure (not shown), second Stacked structure includes the second bending slot being bent by the top edge of underlying backboard 23, and the backboard by being located above The second lower flange 233 that 23 lower edge bends inwards and fastens with the second bending slot, second bends channel opening outwardly, under second There is drainage gap between flange 233 and the second bending slot.In the present embodiment, drainage gap is conducive in electric cabinet side plate 22 and back The timely of the water droplet condensed on plate 23 flows to L1 exclusion along draining, prevents electric elements from making moist.Certainly, the first bending slot here 221 include the first flange to bend inwards, the second flange bent straight up and the third flange of outward bending, wherein the Two flange are bonded with frame 12；Second stacked structure is identical as the first stacked structure, the second bending slot and the first bending 221 knot of slot Structure is identical.Sealing joint strip is equipped between certain side plate 22 or 23 both sides of the edge of backboard and the flange and frame 12 of top edge.It is adjacent It may also set up second cross beam (not shown) between two backboards 23, to stationary backplate 23.

Referring to shown in Fig. 2, Figure 10, backboard 23 is equipped with L-shaped blend stop 27 close to the side of 12 bottom of frame, and the one of blend stop 27 While being seamlessly connected towards front cover 21 and with lintel plate-girder 244, the another side of blend stop 27 is upward and set on the second lower flange 233 by nearby The side of lid 21 has drainage gap between second lower flange 233 and blend stop 27.L-shaped blend stop 27 and second in the present embodiment Lower flange 233 cooperates, and drainage can be realized, also function to certain water-proof function.It the lower part of blend stop 27 can be with lintel plate-girder 244 top edge welding, enters in electric cabinet to avoid water seal.

Referring to shown in Fig. 2, bottom plate 25 includes noseplate 251, insole board 252 and the outlet set gradually from front to back Bottom plate 25, insole board 252 are equipped with the second strip hole (not shown), and the lower section of the second strip hole is equipped with the second air permeable plate and (does not show Out), the second air permeable plate is equipped with the second air hole.In the present embodiment, bottom plate 25 can both be drained, and can also moisture be prevented to be splashed into In electric cabinet.When water is splashed to the second air permeable plate, since the second air hole is smaller, water flow can be stopped, even if there is part water to wear The second air hole is crossed, apparent obstruction is also will receive and slows down, can not finally be contacted with electrical component.Wherein, the second strip hole Identical as the first strip hole 2441, the second air permeable plate is identical as 243 structure of the first air permeable plate.

First crossbeam 13 is equipped in the utility model between the downside of the lintel plate-girder 244 at the top and top of front cover 21, it is preceding Connecting plate 16 is equipped between the lintel plate-girder 244 of 21 bottom of bottom and front cover of lid 21, the structure that connecting plate 16 can enhance electric cabinet is strong Degree.Moreover, making when electric cabinet is higher, connecting plate 16 can play the role of pedal.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (10)

1. electric cabinet, the electric cabinet main body including being in cuboid, the electric cabinet main body include pedestal, are arranged in parallel in a left side on the pedestal Two frames of right two sides, the top cover for being fixed on two frame roofs, are located at two frames at the bottom plate on the inside of the pedestal Front cover on front side of frame, two groups of side plates being respectively arranged on the outside of two frames and the backboard on rear side of the frame, it is special Sign is: the upside and downside of the front cover and the upper side and lower side of the backboard are equipped with lintel plate, set on each lintel plate There are multiple first heat release holes, the inside of first heat release hole is equipped with the first heat sink, and the backboard is equipped with multiple second and dissipates Hot hole, the inside of second heat release hole are equipped with the second heat sink, and first heat sink, which is equipped with, supplies first heat sink Two sides carry out the third heat release hole of heat exchange, and second heat sink, which is equipped with, carries out heat exchange for second heat sink two sides The 4th heat release hole, first heat release hole and second heat release hole are downward opening arched hole, the front cover, the back Sealing unit is equipped between side plate described in plate and each group and the frame.

2. electric cabinet according to claim 1, it is characterised in that: be equipped with lintel plate-girder, the lintel plate-girder between two frames It is equipped with the first strip hole, the lintel plate is set to the outside of the lintel plate-girder, and the upper and lower edge of the lintel plate is towards the lintel Plate-girder bends and fits in first strip hole two sides, is equipped with the first air permeable plate on the inside of first strip hole, and described first Air permeable plate is equipped with multiple first air holes.

3. electric cabinet according to claim 2, it is characterised in that: side plate mounting rack is additionally provided on each frame, it is each described Side plate mounting rack includes two first vertical beams being arranged in parallel between the frame and between two first vertical beams First curb girder is equipped with the installation crossbeam of power supply component installation on two frames, respectively between two first curb girders of face First vertical beam and each first curb girder are equipped with buckle structure cooperate with the side plate, each first vertical beam and respectively Ventilation hole is equipped on first curb girder.

4. electric cabinet according to claim 2, it is characterised in that: the diameter of the third heat release hole is less than first heat dissipation The thickness of plate；The diameter of 4th heat release hole is less than the thickness of second heat sink；The diameter of first air hole is small In the thickness of first air permeable plate.

5. electric cabinet according to claim 3, it is characterised in that: be equipped between two frames and on the inside of the front cover Multiple first crossbeams, multiple first crossbeams will be divided into multiple regions between two frames, the front cover have it is multiple, Multiple front covers are covered on respectively on each region, are equipped with shaft seat on each first crossbeam in the horizontal direction, described Shaft seat includes the mounting portion fixed with the first crossbeam, and the interconnecting piece stretched out towards the frame outside, the connection Portion is equipped with a shaft, and the upper end of the shaft is arranged with the axle cap that can be rotated along the shaft, the lower end of the axle cap and institute State interconnecting piece fitting；The top edge of each front cover is connected with the lower end of the shaft, the lower edge of each front cover with it is described The axle cap of shaft is connected.

6. electric cabinet according to claim 5, it is characterised in that: the side on each front cover far from the shaft is embedded with First lockset, is equipped with the flip lid that lid closes the first lockset lockhole on the outside of first lockset, the frame be equipped with it is described The corresponding locking bit of first lockset.

7. electric cabinet according to claim 1, it is characterised in that: the sealing unit be along the front cover, the backboard and The sealing joint strip of the side board edge setting.

8. electric cabinet according to claim 1, it is characterised in that: side plate described in each group is equipped with muti-piece along the vertical direction, and on Under the edges of adjacent two side plates there is the first stacked structure, first stacked structure includes by underlying described The first bending slot that the top edge of side plate is bent into, and bent inwards by the lower edge for the side plate being located above and with institute The first lower flange of the first bending slot fastening is stated, described first bends channel opening outwardly, first lower flange and described first Bending has drainage gap between slot；

The backboard is equipped with muti-piece along the vertical direction, and the edge of the two neighbouring backboards has the second stacked structure, Second stacked structure includes the second bending slot being bent by the top edge of the underlying backboard, and by being located at The second lower flange that the lower edge of the backboard of top bends inwards and fastens with the second bending slot, second bending Channel opening outwardly, has drainage gap between second lower flange and the second bending slot.

9. electric cabinet according to claim 8, it is characterised in that: the backboard is equipped with L close to the side of the base of frame The blend stop of shape, one side of the blend stop are seamlessly connected towards the front cover and with the lintel plate-girder, the another side court of the blend stop Above and second lower flange is set between the side of the front cover, second lower flange and the blend stop with draining Gap.

10. electric cabinet according to claim 1, it is characterised in that: the bottom plate includes the preceding bottom set gradually from front to back Plate, insole board and outlet bottom plate, said midsole plate are equipped with the second strip hole, and the lower section of second strip hole is equipped with second Air permeable plate, second air permeable plate are equipped with the second air hole.