阅读说明：本技术 一种建筑电气与智能化控制柜 (Building electrical and intelligent control cabinet ) 是由 叶金水 于 2021-09-10 设计创作，主要内容包括：本发明涉及控制柜技术领域,公开了一种建筑电气与智能化控制柜,包括柜体,柜体内设有安装腔,安装腔的后侧壁上平行设有2组出线机构,出线机构包括沿柜体左右方向间隔设于安装腔后侧壁上的出线孔和设于出线孔处的理线板,理线板上对应出线孔设有理线槽,安装腔的后侧壁上设有位于理线板上方且位于对应出线孔两侧的散热孔。通过上述的构造,使得出线机构能够对控制柜内的电气接线进行导向整理,避免其混乱导致后期维修不便,同时,通过散热孔的设置,较佳地对电气接线集中处进行散热,便于控制柜的使用。(The invention relates to the technical field of control cabinets, and discloses a building electrical and intelligent control cabinet which comprises a cabinet body, wherein an installation cavity is arranged in the cabinet body, 2 groups of wire outlet mechanisms are parallelly arranged on the rear side wall of the installation cavity, each wire outlet mechanism comprises wire outlet holes and wire arranging plates, the wire outlet holes are formed in the rear side wall of the installation cavity at intervals along the left-right direction of the cabinet body, the wire arranging plates are arranged at the wire outlet holes, wire arranging grooves are formed in the wire arranging plates corresponding to the wire outlet holes, and heat dissipation holes which are located above the wire arranging plates and located on two sides of the corresponding wire outlet holes are formed in the rear side wall of the installation cavity. Through foretell structure for the arrangement of leading can be carried out to the electric wiring in the switch board to the mechanism that goes out the line, avoids its confusion to lead to the later stage maintenance inconvenient, simultaneously, through the setting of louvre, the use of switch board of being convenient for is dispelled the heat to electric wiring concentrated department better.)

1. The utility model provides a building electricity and intelligent switch board which characterized in that: including the cabinet body (100), be equipped with installation cavity (211) in the cabinet body (100), the parallel is equipped with 2 outgoing lines mechanisms of group on the rear side wall of installation cavity (211), outgoing lines mechanism includes that wire hole (310) on installation cavity (211) rear side wall is located along the cabinet body (100) left right direction interval and locates wire hole (310) line processing board (220) of handling, it is equipped with line arrangement groove (811) to correspond wire hole (310) on line processing board (220), be equipped with on the rear side wall of installation cavity (211) and be located heat dissipation hole (311) that correspond wire hole (310) both sides above line processing board (220).

2. The building electrical and intelligent control cabinet of claim 1, wherein: a cavity (212) is arranged in the rear side wall of the mounting cavity (211), a ventilation groove (213) communicated with the outside of the cabinet body (100) is arranged at the lower end part of the cavity (212), a fan (230) is arranged at the lower end part of the rear side wall of the mounting cavity (211), and a cooling fan (240) positioned at the position corresponding to the cooling hole (311) is arranged on the wire arranging plate (220); a liftable sliding plate (250) is arranged in the cavity (212), a heat discharging hole (511) is formed in the sliding plate (250) corresponding to the heat discharging hole (311), a clamping groove (512) corresponding to the wire outlet hole (310) is formed in the sliding plate (250) in the vertical direction, and a sealing mechanism used for sealing the clamping groove (512) is arranged in the clamping groove (512).

3. The building electrical and intelligent control cabinet of claim 2, wherein: the side wall of the cavity (212) is provided with a hinge groove (321) which is positioned above the corresponding heat dissipation hole (311) and is communicated with the outside of the cabinet body (100), and a baffle (260) extending out of the cabinet body (100) is hinged in the hinge groove (321).

4. The building electrical and intelligent control cabinet of claim 3, wherein: the sliding plate (250) is provided with mounting blocks (520) along the left and right directions of the cabinet body (100), the mounting blocks (520) are provided with mounting grooves (521), upright posts (610) are arranged in the mounting grooves (521) at intervals along the up and down directions, the side wall of the cavity (212) is provided with a mounting plate (620) extending into the mounting grooves (521), the upright posts (610) penetrate through the mounting plate (620), and the upright posts (610) are sleeved with first springs (611) used for pushing the sliding plate (250) to move upwards; a driving mechanism for driving the sliding plate (250) to move downwards is arranged in the cavity (212).

5. The building electrical and intelligent control cabinet of claim 4, wherein: an outlet (322) communicated with the outside of the cabinet body (100) is formed in the side wall, located on the mounting block (520), of the cavity (212), the driving mechanism comprises a moving block (270) capable of extending out of the outlet (322), a water guide cavity (711) is formed in the moving block (270), a supporting plate (720) extending to the upper side face of the mounting block (520) is arranged at the lower end of the moving block (270), and a heat exchange flow channel (631) communicated with the water guide cavity (711) is formed in the supporting plate (720); the upper side surface of the mounting block (520) is provided with a resisting block (640), and the resisting block (640) is provided with an inclined surface (641) which is matched with the resisting plate (720) to drive the sliding plate (250) to move downwards; multiple groups of heat conducting fins (280) are distributed in the cavity (212), and a first sliding groove (721) and a second sliding groove (513) for the corresponding heat conducting fins (280) to pass through are respectively arranged on the abutting plate (720) and the sliding plate.

6. The building electrical and intelligent control cabinet of claim 5, wherein: the installation piece (520) parallel is equipped with 2, 2 installation pieces (520) are located the top that corresponds hinge groove (321) respectively, the lateral wall airtight fit of installation piece (520) and cavity (212), lateral wall that baffle (260) are located cavity (212) leans on with the lower lateral wall that corresponds installation piece (520), be equipped with on the lateral wall of cavity (212) and be located outlet trough (651) that correspond hinge groove (321) top, the runner (661) corresponding with outlet trough (651) on installation piece (520).

7. The building electrical and intelligent control cabinet of claim 2, wherein: the sealing mechanism comprises a sliding cavity (671) which is arranged in the sliding plate (250) and located at the position corresponding to the clamping groove (512), a slidable sliding plate (530) is arranged in the sliding cavity (671) relatively, the sliding plate (530) is in sliding and sealing fit with the side wall of the sliding cavity (671), a clamping groove opening (531) corresponding to the wire outlet hole (310) is formed in the end portion of the sliding plate (530) in a matched mode, and a second spring (672) used for pushing the sliding plate (530) to extrude mutually is arranged in the sliding cavity (671).

8. The building electrical and intelligent control cabinet of claim 5, wherein: a rainwater collecting tank (101) is arranged above the cabinet body (100), and a water leakage port (102) located at the rear end of the cabinet body (100) is formed in the rainwater collecting tank (101).

9. The building electrical and intelligent control cabinet of claim 5, wherein: and the rear side wall of the mounting cavity (211) is provided with a cylinder (290) for driving the moving block (270) to extend out of the outlet (322).

Technical Field

The invention relates to the technical field of control cabinets, in particular to a building electrical and intelligent control cabinet.

Background

The control cabinet is formed by assembling switch equipment, measuring instruments, protective electrical equipment and auxiliary equipment in a closed or semi-closed cabinet according to the electrical wiring requirement, and the arrangement of the control cabinet meets the normal operation requirement of an electric power system. With the development of the building intelligent industry in China, the control cabinet is more and more widely used as one of the most common devices for building electrical and intelligence.

The existing control cabinet is provided with a wire outlet hole for an electric connection wire to extend out of the control cabinet, however, the wiring of the electric connection wire in the control cabinet is lack of arrangement, so that the wiring is disordered, and the later maintenance is not facilitated; meanwhile, the electric circuits in the control cabinet extend out from the wire outlet holes in a centralized manner, the positions of the electric circuits can generate heat, and the existing control cabinet lacks better heat dissipation, so that the use of the control cabinet is influenced.

Disclosure of Invention

Aiming at certain or some defects in the prior art, the invention provides a building electrical and intelligent control cabinet.

In order to solve the above technical problems, the present invention is solved by the following technical solutions.

The utility model provides a building electricity and intelligent switch board, includes the cabinet body, the internal installation cavity that is equipped with of cabinet, and the parallel is equipped with 2 group's outlet mechanisms on the rear side wall of installation cavity, and outlet mechanism includes the wire hole of locating on the installation cavity rear side wall along the left and right sides orientation interval of the cabinet body and locates the reason line board of wire hole department, and it is equipped with reason wire casing to correspond the wire hole on the reason line board, is equipped with the louvre that is located reason line board top and is located corresponding the wire hole both sides on the rear side wall of installation cavity.

Through the structure in the invention, the wire outlet mechanism can guide and arrange the electrical wiring in the control cabinet, so that the inconvenience in later maintenance caused by disorder is avoided, and meanwhile, the heat dissipation is better performed on the concentrated part of the electrical wiring through the arrangement of the heat dissipation holes, so that the control cabinet is convenient to use.

Preferably, a cavity is arranged in the rear side wall of the mounting cavity, a ventilation groove communicated with the outside of the cabinet body is arranged at the lower end part of the cavity, a fan is arranged at the lower end part of the rear side wall of the mounting cavity, and a cooling fan positioned at the corresponding cooling hole is arranged on the wire arranging plate; the cavity is internally provided with a liftable sliding plate, the sliding plate is provided with heat discharging holes corresponding to the heat discharging holes, the sliding plate is provided with clamping grooves corresponding to the wire outlet holes along the up-down direction, and the clamping grooves are internally provided with sealing mechanisms used for plugging the clamping grooves.

Through the arrangement of the fan, the cooling fan and the sealing mechanism, circulation current is formed in the control cabinet, and the cooling of the control cabinet by the cooling holes is better realized.

Preferably, the side wall of the cavity is provided with a hinge groove which is positioned above the corresponding heat dissipation hole and is communicated with the outside of the cabinet body, and a baffle plate extending out of the cabinet body is hinged in the hinge groove to preferably prevent dust from entering the control cabinet.

Preferably, the sliding plate is provided with mounting blocks along the left and right direction of the cabinet body, the mounting blocks are provided with mounting grooves, stand columns are arranged in the mounting grooves at intervals along the up and down direction, the side wall of the cavity is provided with a mounting plate extending into the mounting grooves, the stand columns penetrate through the mounting plate, and the stand columns are sleeved with first springs for pushing the sliding plate to move upwards; a driving mechanism for driving the sliding plate to move downwards is arranged in the cavity.

With the configuration of the present invention, it is preferably realized that the slide plate is liftably disposed in the cavity, and it is preferably realized that the slide plate is lifted by the driving mechanism.

Preferably, an outlet communicated with the outside of the cabinet body is arranged on the side wall of the cavity on the mounting block, the driving mechanism comprises a moving block capable of extending out of the outlet, a water guide cavity is arranged on the moving block, a supporting plate extending to the upper side face of the mounting block is arranged at the lower end part of the moving block, and a heat exchange flow channel communicated with the water guide cavity is arranged in the supporting plate; the upper side surface of the mounting block is provided with a resisting block, and the resisting block is provided with an inclined surface which is matched with the resisting plate to drive the sliding plate to move downwards; the cavity is internally provided with a plurality of groups of heat conducting fins, and the abutting plate and the sliding plate are respectively provided with a first sliding groove and a second sliding groove for the corresponding heat conducting fins to pass through.

Through the structure of the invention, the movable block can move to drive the sliding plate to move downwards, and meanwhile, the movable block extends out of the outlet to guide external rainwater into the cavity, so that heat exchange is carried out on the heat conducting fins, and the control cabinet can be better cooled.

Preferably, the installation piece parallel is equipped with 2, and 2 installation pieces are located the top that corresponds the articulated groove respectively, and the installation piece is airtight cooperation with the lateral wall of cavity, and the lateral wall that the baffle is located the cavity leans on with the lower lateral wall that corresponds the installation piece, is equipped with the play basin that is located the articulated groove top of correspondence on the lateral wall of cavity, and the runner that corresponds with a play basin on the installation piece.

Through the structure of the invention, the sliding plate moves downwards to enable the baffle plate to incline upwards and downwards, the flow channel is opposite to the water outlet groove, so that rainwater in the cavity flows out and enters the cavity again under the guiding action of the baffle plate, the rainwater is cooled, the rainwater entering the cavity is ensured to be at low temperature, and the rainwater can exchange heat with the heat conducting fins better, so that the control cabinet can radiate heat better.

Preferably, the sealing mechanism comprises a sliding cavity which is arranged in the sliding plate and located at the position corresponding to the clamping groove, a slidable sliding plate is arranged in the sliding cavity relatively, the sliding plate is in sliding and sealing fit with the side wall of the sliding cavity, the end part of the sliding plate in fit with the clamping groove opening corresponding to the wire outlet hole is arranged, and a second spring used for pushing the sliding plate to extrude is arranged in the sliding cavity.

Through the structure of the invention, the second spring pushes the sliding plate to extrude and fix the electric connection, so that the sliding plate can be matched with the lifting of the sliding plate, the sealing of the clamping groove in the lifting process of the sliding plate is better realized, and rainwater is prevented from entering the control cabinet.

Preferably, a rainwater collecting tank is arranged above the cabinet body, and a water leakage port located at the rear end of the cabinet body is formed in the rainwater collecting tank.

Through the structure of the rainwater collecting tank, rainwater can be quickly collected by the rainwater collecting tank and guided into the cavity through the water guide cavity by the water leakage port, so that the control cabinet can be quickly subjected to heat dissipation operation.

Preferably, the rear side wall of the mounting cavity is provided with a cylinder for driving the moving block to extend out of the outlet, and the extending and retracting of the moving block are preferably realized.

Drawings

Fig. 1 is a schematic view of an electrical and intelligent control cabinet for a building in embodiment 1;

fig. 2 is a schematic sectional view of a control cabinet in embodiment 1;

fig. 3 is a half-sectional schematic view of the cabinet in embodiment 1;

FIG. 4 is a schematic front view of the installation cavity in embodiment 1;

FIG. 5 is a schematic view of a slide board in embodiment 1;

FIG. 6 is an enlarged view of portion A of FIG. 2;

fig. 7 is a schematic view of a moving block in embodiment 1;

fig. 8 is a schematic diagram of a wire management board in embodiment 1.

Detailed Description

For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and examples. It is to be understood that the examples are illustrative of the invention and not limiting.

Example 1

As shown in fig. 1 to 8, the present embodiment provides a building electrical and intelligent control cabinet, which includes a cabinet body 100, wherein an installation cavity 211 with a forward opening is arranged in the cabinet body 100, and a cabinet door is arranged at the opening of the installation cavity 211; the rear side wall of the installation cavity 211 is provided with 2 groups of wire outlet mechanisms in parallel, each wire outlet mechanism comprises a wire outlet hole 310 and a wire arranging plate 220, the wire outlet holes 310 are arranged on the rear side wall of the installation cavity 211 along the left and right directions of the cabinet body 100 at intervals, a wire arranging groove 811 is arranged on the wire arranging plate 220 corresponding to the wire outlet hole 310, and heat dissipation holes 311 are arranged on the rear side wall of the installation cavity 211 and located above the wire arranging plate 220 and on two sides of the corresponding wire outlet hole 311.

Through the structure in the embodiment, the electrical wiring of the switch equipment, the protection electrical equipment and the like installed in the installation cavity 211 can extend out of the control cabinet through the wire outlet hole 310, so that the use of the switch equipment and the protection electrical equipment is facilitated; in this embodiment, the two end portions of the wire arranging plate 220 are provided with mounting portions, the mounting portions are fixed on the rear side wall of the mounting cavity 211 through bolts, wherein the wire arranging groove 811 corresponds to the wire outlet hole 310 through the arrangement of the wire arranging groove 811, so that the electrical connection wires extending from the wire outlet hole 310 obtain the limiting and guiding of the wire arranging groove 811, and are arranged, thereby facilitating later maintenance; in this embodiment, through the arrangement of the heat dissipation hole 311, the heat dissipation is preferably performed at the position of the centralized wire outlet of the electrical connection in the control cabinet, which is convenient for the use of the control cabinet.

In this embodiment, a cavity 212 is provided in the rear sidewall of the mounting cavity 211, a ventilation slot 213 communicating with the outside of the cabinet 100 is provided at the lower end of the cavity 212, a blower 230 is provided at the lower end of the rear sidewall of the mounting cavity 211, and a heat dissipation fan 240 located at a position corresponding to the heat dissipation hole 311 is provided on the wire arranging plate 220; a lifting sliding plate 250 is arranged in the cavity 212, a heat discharging hole 511 is arranged on the sliding plate 250 corresponding to the heat discharging hole 311, a clamping groove 512 corresponding to the wire outlet 310 is arranged on the sliding plate 250 along the up-down direction, and a sealing mechanism for sealing the clamping groove 512 is arranged in the clamping groove 512.

Through the structure in the embodiment, the blower 230 can suck the air outside the cabinet body 100 into the mounting cavity 211, and the heat dissipation fan 240 can discharge the hot air in the mounting cavity 211 out of the cabinet body 100 through the heat dissipation holes 311, so that a circulation flow is preferably formed, and the heat dissipation effect of the heat dissipation holes 311 is better; in this embodiment, the sliding plate 250 is in sliding and sealing fit with the front side wall of the cavity 212, and the sliding plate 250 is lifted in the cavity 212 to enable the heat dissipating holes 511 and the heat dissipating holes 311 to be opposite or staggered with each other, so as to control the opening and closing of the heat dissipating holes 311, and enable the control cabinet to be used in outdoor rainy days; wherein, through sealing mechanism's setting for sealing mechanism can carry out the shutoff to draw-in groove 512, avoids the rainy day rainwater to get into the use that influences the switch board in the installation cavity 211 by draw-in groove 512 better.

In this embodiment, the sealing mechanism includes a sliding cavity 671 disposed in the sliding plate 250 and located at the corresponding slot 512, a slidable sliding plate 530 is disposed in the sliding cavity 671, the sliding plate 530 is in sliding and sealing fit with the side wall of the sliding cavity 671, a slot opening 531 corresponding to the outlet hole 310 is disposed at the end of the sliding plate 530, and a second spring 672 for pushing the sliding plate 530 to press is disposed in the sliding cavity 671.

Through the structure in this embodiment, the second spring 672 pushes the sliding plates 530 disposed oppositely to extrude each other, so that the slot openings 531 extrude each other to pass through the electrical connection of the slot 512, so that the sliding plates 530 can move up and down in the sliding cavity 671 to match with the lifting of the sliding plate 250 while clamping the electrical connection, and since the sliding plates 530 are closely matched with the side walls of the sliding cavity 671, the sealing mechanism is preferably used for sealing the slot 512, thereby preventing rainwater from entering the control cabinet and affecting the use of the control cabinet.

In this embodiment, the sidewall of the cavity 212 is provided with a hinge slot 321 located above the corresponding heat dissipation hole 311 and communicating with the outside of the cabinet 100, and the hinge slot 321 is internally hinged with a baffle 260 extending out of the cabinet 100.

Through the structure in the embodiment, the baffle 260 extends out of the hinge slot 320 and inclines downwards, so that the baffle can better shield the lower heat dissipation hole 311, and dust and the like can be better prevented from floating into the control cabinet.

In this embodiment, the sliding plate 250 is provided with mounting blocks 520 along the left and right directions of the cabinet body 100, the mounting blocks 520 are provided with mounting grooves 521, vertical columns 610 are arranged in the mounting grooves 521 at intervals along the up and down directions, the side wall of the cavity 212 is provided with a mounting plate 620 extending into the mounting grooves 521, the vertical columns 610 pass through the mounting plate 620, and the vertical columns 610 are sleeved with first springs 611 for pushing the sliding plate 250 to move upwards; a driving mechanism for driving the sliding plate 250 to move downwards is arranged in the cavity 212.

Through the structure in this embodiment, the first spring 611 pushes the mounting block 520 to move upwards, so as to drive the sliding plate 250 to move upwards in the cavity 212, so that the heat dissipation holes 511 on the sliding plate 250 correspond to the heat dissipation holes 311, and the heat dissipation holes 311 can dissipate heat normally, wherein the driving mechanism drives the sliding plate 250 to move downwards, so that the heat dissipation holes 511 and the heat dissipation holes 311 on the sliding plate 250 are dislocated with each other, so that the heat dissipation holes 311 are closed, and thereby rain is prevented from entering the control cabinet.

In this embodiment, the side wall of the cavity 212 on the mounting block 520 is provided with an outlet 322 communicated with the outside of the cabinet 100, the driving mechanism includes a moving block 270 capable of extending out of the outlet 322, the moving block 270 is provided with a water guide cavity 711 with an upward opening, the lower end of the moving block 270 is provided with a supporting plate 720 extending to the upper side surface of the mounting block 520, and a heat exchange flow channel communicated with the water guide cavity 711 and penetrating through the supporting plate 720 is arranged in the supporting plate 720; the upper side surface of the mounting block 520 is provided with a resisting block 640, and the resisting block 640 is provided with an inclined surface 641 which is matched with the resisting plate 720 to drive the sliding plate 250 to move downwards; multiple sets of heat-conducting fins 280 are disposed in the cavity 212, and the abutting plate 720 and the sliding plate 250 are respectively provided with a first sliding slot 721 and a second sliding slot 513 for the corresponding heat-conducting fins 280 to pass through.

Through the structure in the embodiment, in the process that the moving block 270 extends out of the outlet 322, the abutting plate 720 extrudes the inclined surface 641 to push the sliding plate 250 to move downwards so as to plug the heat dissipation holes 311, meanwhile, the moving block 270 extends out of the outlet 322, so that the water guide cavity 711 on the moving block can collect external rain drift, and the rain drift can be guided into the cavity 212 through the heat exchange flow channel, and due to the arrangement of the heat conduction sheet 280, the heat conduction sheet 280 exchanges heat with rainwater entering the cavity 212, so that the control cabinet dissipates heat when the heat dissipation holes 311 are closed in rainy days, and the control cabinet is convenient to use; the sliding plate 250 moves downwards to seal the air inlet of the fan 230, so that rainwater entering the cavity 212 can be discharged from the ventilation groove 213 finally; in this embodiment, the rear side wall of the mounting cavity 211 is provided with an air cylinder 290 for driving the moving block 270 to extend out of the outlet 322, and the moving block 270 is preferably driven to extend out of or retract into the outlet 322 by the arrangement of the air cylinder 290.

In this embodiment, 2 mounting blocks 520 are arranged in parallel, 2 mounting blocks 520 are respectively located above the corresponding hinge grooves 321, the mounting blocks 520 are in close fit with the side walls of the cavity 212, the side wall of the baffle 260 located in the cavity 212 abuts against the lower side wall of the corresponding mounting block 520, a water outlet groove 651 located above the corresponding hinge groove 321 is arranged on the side wall of the cavity 212, and a flow passage 661 corresponding to the water outlet groove 651 is arranged on the mounting block 520.

In this embodiment, 2 mounting blocks 520 divide the cavity 212 into three portions, and since the sidewall of the baffle 260 located in the cavity 212 abuts against the lower sidewall of the corresponding mounting block 520, moving the slide plate 250 downward in the cavity 212 can push the flap 260 to rotate, tilting the flap 260 upward, at which time, the flow channel 661 and the water outlet groove 651 are correspondingly arranged, so that rainwater in the cavity 212 above the corresponding baffle 260 can flow out of the cabinet body 100 through the flow channel 661 and the water outlet groove 651, and then flows into the cavity 212 below the corresponding baffle 260 again through the guide effect of the baffle 260 and the hinge groove 321, so that the rainwater after heat exchange with the heat conducting fins 280 can be discharged out of the cavity 212 to exchange heat with the external low-temperature environment and rainwater for cooling, the rainwater entering the cavity 212 again is ensured to be at a relatively low temperature, heat exchange with the heat conducting fins 280 is facilitated, and the heat dissipation effect of the control cabinet in rainy days is better; meanwhile, the baffle 260 guides the rainwater to wash away dust on the upper side face of the rainwater, so that the top of the baffle 260 is neat and attractive.

In this embodiment, a rainwater collection tank 101 is arranged above the cabinet body 100, and a water leakage port 102 located at the rear end of the cabinet body 100 is arranged on the rainwater collection tank 101.

Through the setting of rainwater collecting vat 101 in this embodiment for rainwater collecting vat 101 can collect the rain that wafts better in the rainy day, and its setting through leaking the mouth of a river 102 makes when moving block 270 stretches out export 322, and the rainwater of collecting in rainwater collecting vat 101 can be by leaking the quick inflow water guide chamber 711 of mouth of a river 102 in, thereby realize making in the leading-in cavity 212 of rainwater fast when rainy day, thereby dispel the heat to the switch board fast.

When the building electrical and intelligent control cabinet of the embodiment is used specifically, firstly, when there is no rain in the weather, the air cylinder 290 controls the moving block 270 to retract into the opening 322, and the fan 230 and the cooling fan 240 work to perform cooling operation on the control cabinet; when the weather is rainy, the fan 230 and the heat dissipation fan 240 stop working, the cylinder 290 drives the moving block 270 to extend out of the opening 322, at the moment, the sliding plate 250 moves downwards to enable the heat dissipation holes 311 to be closed in a staggered mode, the baffle 260 rotates upwards, external rainwater can flow out and flow into the cavity 212 for multiple times from top to bottom under the guiding effect of the baffle 260 under the effect of the water guide cavity 711 in the moving block 270, the rainwater can exchange heat with the heat conduction fins 280 better, and the control cabinet obtains better heat dissipation under the condition that the heat dissipation holes 311 are closed in rainy days.

In summary, the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made in the claims of the present invention should be covered by the claims of the present invention.