CN114665407A - MNS low pressure pull-out type cubical switchboard with humidity resistance - Google Patents
MNS low pressure pull-out type cubical switchboard with humidity resistance Download PDFInfo
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- CN114665407A CN114665407A CN202210362186.XA CN202210362186A CN114665407A CN 114665407 A CN114665407 A CN 114665407A CN 202210362186 A CN202210362186 A CN 202210362186A CN 114665407 A CN114665407 A CN 114665407A
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- heat dissipation
- cabinet body
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- out type
- water storage
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 88
- 230000017525 heat dissipation Effects 0.000 claims abstract description 71
- 238000009423 ventilation Methods 0.000 claims abstract description 22
- 238000001816 cooling Methods 0.000 claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 239000000428 dust Substances 0.000 claims description 27
- 238000013016 damping Methods 0.000 claims description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- 238000004140 cleaning Methods 0.000 claims description 11
- 238000001179 sorption measurement Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000638 solvent extraction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/173—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal drawer type
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a MNS low-voltage draw-out type switch cabinet with moisture resistance, which belongs to the technical field of power equipment and comprises a cabinet body, wherein a plurality of drawers are arranged in the cabinet body at equal intervals in the vertical direction, the drawers divide the interior of the cabinet body into a plurality of working chambers which are independently used for installing electrical components, a plurality of groups of ventilation openings are symmetrically formed in two sides of the interior of the cabinet body relative to the central axis of each drawer, heat dissipation mechanisms are arranged on two sides of the cabinet body respectively, each heat dissipation mechanism comprises a water storage assembly, and each heat dissipation mechanism comprises two pairs of fixing pieces which are symmetrically and fixedly arranged on two sides of the top of the cabinet body. According to the invention, rainwater is collected through the water storage component, so that the air-cooling circulation heat dissipation component and the water-cooling circulation heat dissipation component can be driven to automatically switch heat dissipation modes according to rainy days, and thus, an electrical element is cooled to be at a normal operation temperature, so that the purpose of heat dissipation is achieved, the heat dissipation effect is greatly improved, the normal operation of equipment is ensured, and the service life of the equipment is prolonged.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to an MNS low-voltage draw-out type switch cabinet with moisture resistance.
Background
The switch cabinet is an electrical device, the external line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, and each branch is arranged according to the requirement. The main function of the switch cabinet is to open and close, control and protect electric equipment in the process of power generation, power transmission, power distribution and electric energy conversion of an electric power system. The components in the switch cabinet mainly comprise a circuit breaker, an isolating switch, a load switch operating mechanism, a mutual inductor, various protection devices and the like; all kinds of electrical equipment can produce the heat in the cubical switchboard, and too much heat gives off and does not go out ageing equipment easily, reduces equipment life.
Current cubical switchboard is generally through increasing through-hole and radiator fan, lets in outside air current gets into the cabinet and with high-temperature gas discharge in the cabinet reduce temperature, but in plum rain season, the air is comparatively moist, will make humidity great in the cubical switchboard, makes the components and parts short circuit in the cubical switchboard and impaired easily for there is the potential safety hazard in the switch board.
Disclosure of Invention
The switch cabinet has the advantages that air is wet in plum rain seasons, humidity in the switch cabinet is high, components in the switch cabinet are prone to being short-circuited and damaged, and the switch cabinet is prone to potential safety hazards.
In order to realize the purpose of the invention, the invention adopts the following technical scheme:
the MNS low-voltage draw-out type switch cabinet with the moisture resistance comprises a cabinet body, wherein a plurality of drawers are arranged in the cabinet body at equal intervals in the vertical direction, the drawers divide the interior of the cabinet body into a plurality of working chambers which are independently used for installing electrical components, a plurality of groups of ventilation openings are symmetrically formed in two sides of the interior of the cabinet body relative to the central axis of each drawer, heat dissipation mechanisms are arranged on two sides of the cabinet body, and each heat dissipation mechanism comprises:
the water storage assembly comprises two pairs of fixing pieces, a water storage tank and two groups of guide rods, wherein the two pairs of fixing pieces are symmetrically and fixedly arranged on two sides of the top of the cabinet body;
the air-cooled circulating heat dissipation assembly comprises two guide grooves, a movable heat dissipation plate and a second damping piece, wherein the two guide grooves are symmetrically arranged along the central axis of the cabinet body and penetrate through the plurality of groups of ventilation openings, the movable heat dissipation plate is vertically arranged in the ventilation openings and can slide in the vertical direction, and the second damping piece is used for providing damping when the movable heat dissipation plate moves downwards; the air-cooled circulating heat dissipation assembly further comprises a rain baffle hinged between the two fixing pieces and a pair of trigger pieces symmetrically hinged between the rain baffle and the movable heat dissipation plate; when the water storage tank moves downwards, the trigger piece is used for pushing the movable heat dissipation plate to move downwards;
water-cooling circulation radiating component, it includes that the equidistant first heat-conducting plate and the second heat-conducting plate and the snakelike aqueduct of level setting between first heat-conducting plate and second heat-conducting plate that sets up both ends about the mounting groove, symmetry are fixed along cabinet body length direction set up, and are a plurality of the intercommunication has the aqueduct between the snakelike aqueduct, water-cooling circulation radiating component is still including running through the limbers of catch basin one side and setting two the inside L shape water receiving pipe that is used for communicateing aqueduct and limbers of mounting.
Preferably, a plurality of vertically arranged dust screens are arranged in the mobile heat dissipation plate at equal intervals, and an activated carbon adsorption screen for adsorbing humid air is arranged between every two adjacent dust screens.
Preferably, the cross section of the ventilation opening is square, and the ventilation opening is matched with the movable heat dissipation plate.
Preferably, the air-cooled circulation radiator unit further includes a radiator fan mounted on one side of the inner wall of the vent, a power supply horizontally disposed at the top of the guide groove, and a conductive plate horizontally disposed at the top of the movable radiator plate and capable of being electrically connected to the power supply.
Preferably, the air-cooled circulating heat dissipation assembly further comprises a pair of dust cleaning brushes which are symmetrically arranged on two sides of the movable heat dissipation plate and fixedly connected with the top of the ventilation opening, and the pair of dust cleaning brushes correspond to each other and abut against the dust screen.
Preferably, the top of the second heat conducting plate is provided with conical diversion bosses at equal intervals along the length direction of the second heat conducting plate, and a diversion water tank is formed between every two adjacent conical diversion bosses.
Preferably, a communicating pipe is communicated between the diversion flume and the water conduit, and the communicating pipe and the inside of the L-shaped water receiving pipe are both provided with one-way valves.
Preferably, the snakelike aqueduct output of cabinet body bottom communicates there is the drain pipe, the drain pipe runs through the cabinet body and extends to cabinet body outer wall one side.
Preferably, the water storage assembly further comprises water baffles symmetrically and fixedly arranged on two sides of the top of the cabinet body, the cross section of each water baffle is concave, and the two water baffles are corresponding to each other.
Preferably, the both sides of drawer inner wall all are provided with ventilative net, drawer bottom equidistance interval is provided with a plurality of through-holes.
Compared with the prior art, the above one or more technical schemes have the following beneficial effects:
according to the invention, rainwater is collected through the water storage component, so that the air-cooling circulation heat dissipation component and the water-cooling circulation heat dissipation component can be driven to automatically switch heat dissipation modes according to rainy days, and thus, an electrical element is cooled to be at a normal operation temperature, so that the purpose of heat dissipation is achieved, the heat dissipation effect is greatly improved, the normal operation of equipment is ensured, and the service life of the equipment is prolonged.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the overall construction of the present invention;
FIG. 3 is a sectional view of the internal structure of the cabinet of the present invention;
FIG. 4 is a schematic view of a partial structure of the water-cooling circulation heat dissipation assembly of the present invention;
FIG. 5 is a partial structural schematic view of the water storage assembly of the present invention;
FIG. 6 is an enlarged view of the structure at A of FIG. 2 according to the present invention;
FIG. 7 is an enlarged view of the structure of FIG. 3B in accordance with the present invention;
fig. 8 is an enlarged view of the structure of fig. 3 according to the present invention at C.
In the figure:
1. a cabinet body; 2. a drawer; 21. a breathable net; 22. a through hole; 201. a filter screen; 3. a vent; 4. a water baffle; 5. a heat dissipation mechanism; 6. a water storage assembly; 61. a fixing member; 62. a water storage tank; 63. a guide bar; 64. a first damping member; 7. an air-cooled circulating heat dissipation assembly; 71. a guide groove; 72. a movable heat dissipation plate; 721. a dust screen; 722. an activated carbon adsorption net; 73. a second damping member; 74. a rain shield; 75. a trigger; 76. a heat radiation fan; 761. a power source; 762. a conductive sheet; 77. a dust cleaning brush; 8. a water-cooling circulating heat dissipation assembly; 81. mounting grooves; 82. a first heat-conducting plate; 83. a second heat-conducting plate; 831. a conical flow guide boss; 832. a diversion water tank; 833. a communicating pipe; 84. a serpentine aqueduct; 85. a water conduit; 86. a water through hole; 87. an L-shaped water receiving pipe; 88. and a water discharge pipe.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used in other meanings besides orientation or positional relationship, for example, the term "upper" may also be used in some cases to indicate a certain attaching or connecting relationship. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
As shown in fig. 1-8, an MNS low-voltage draw-out type switch cabinet with moisture resistance includes a cabinet body 1, a plurality of drawers 2 are provided at equal intervals in the vertical direction inside the cabinet body 1, the drawers 2 separate the inside of the cabinet body 1 into a plurality of working chambers independently used for installing electrical components, a plurality of sets of vents 3 are symmetrically provided at two sides inside the cabinet body 1 about a central axis of the drawers 2, heat dissipation mechanisms 5 are provided at two sides of the cabinet body 1, and each heat dissipation mechanism 5 includes:
the number of each group of the ventilation openings 3 is two, the two ventilation openings 3 correspond to each other, air is convected, and therefore the heat dissipation efficiency is improved, meanwhile, the drawer 2 divides the inside of the cabinet body 1 into a plurality of independent working chambers for installing electrical components, so that the electrical components are independently partitioned, mutual interference among the working chambers is avoided, and heat dissipation can be accelerated to a certain extent;
the water storage component 6 comprises two pairs of fixing pieces 61 which are symmetrically and fixedly arranged on two sides of the top of the cabinet body 1, a water storage tank 62 which is vertically arranged between the pair of fixing pieces 61 and can slide along the vertical direction, and two groups of guide rods 63 which are symmetrically arranged on two sides of the water storage tank 62 in a penetrating manner and are fixed in the fixing pieces 61, and the water storage component 6 further comprises a first damping piece 64 which is used for providing damping when the water storage tank 62 moves downwards, when rain weather occurs, some rain water can enter the water storage tank 62, when the collected rain water in the water storage tank 62 increases, the whole gravity of the water storage tank 62 gradually increases and then moves downwards along the guide rods 63, so that the first damping piece 64 is extruded, and when rain stops, the water in the rain water storage tank 62 is gradually discharged and evaporated and then is reset through the elastic action of the first damping piece 64;
the air-cooled circulating heat dissipation assembly 7 comprises two guide grooves 71 which are symmetrically arranged along the axial line of the cabinet body 1 and penetrate through a plurality of groups of ventilation openings 3, a movable heat dissipation plate 72 which is vertically arranged inside the ventilation openings 3 and can slide along the vertical direction, and a second damping piece 73 for providing damping when the movable heat dissipation plate 72 moves downwards; the air-cooled circulating heat dissipation assembly 7 further comprises a rain shield 74 hinged between the two fixing members 61 and a pair of trigger pieces 75 symmetrically hinged between the rain shield 74 and the movable heat dissipation plate 72; when the water storage tank 62 moves downwards, the trigger piece 75 is used for pushing the movable heat dissipation plate 72 to move downwards, wherein the water storage tank 62 is matched with the rain baffle plate 74, when the water storage tank 62 moves downwards, the rain baffle plate 74 is pushed to rotate, so that the trigger piece 75 is driven to push the movable heat dissipation plate 72 to move downwards until the rain baffle plate 74 completely covers the ventilation opening 3, the interior of the cabinet body 1 is in a sealed state, rainwater is prevented from entering the interior of the cabinet body 1 in rainy days, meanwhile, heat generated by the operation of electrical components in the drawer 2 is utilized to heat water for gasification, the gas volume is increased and then expands, the switch cabinet is dried and dehumidified by using air pressure, the water content in the switch cabinet is reduced, and the utilization efficiency of the heat in the switch cabinet is improved;
the water-cooling circulation heat dissipation assembly 8 comprises mounting grooves 81 which are arranged at the bottom of the drawer 2 at equal intervals along the length direction of the cabinet body 1, a first heat conduction plate 82 and a second heat conduction plate 83 which are symmetrically and fixedly arranged at the upper end and the lower end of the mounting groove 81, and a plurality of serpentine water guide pipes 84 which are horizontally arranged between the first heat conduction plate 82 and the second heat conduction plate 83, wherein water guide pipes 85 are communicated among the serpentine water guide pipes 84, the water-cooling circulation heat dissipation assembly 8 further comprises a water through hole 86 which penetrates through one side of the water storage groove 62 and L-shaped water receiving pipes 87 which are arranged inside the two fixing pieces 61 and are used for communicating the water guide pipes 85 with the water through hole 86, a movable switch is arranged inside the water through hole 86, the movable switch is in the prior art, when the water through hole 86 on the inner wall of the water storage groove 62 is matched with the L-shaped water receiving pipe 87, the switch is opened, so that rainwater inside the water storage groove 62 enters the serpentine water guide pipes 84 through the L-shaped water receiving pipes 87 and the water guide pipes 85, when the rain baffle 74 is closed, the air-cooling circulation heat dissipation component 7 is closed and automatically switched to a water-cooling heat dissipation mode, the heat generated by the drawer 2 is absorbed by the first heat conduction plate 82 and the second heat conduction plate 83, and the heat is conducted to the serpentine water guide pipe 84 for heat exchange, so that the electric elements are cooled to be at a normal operation temperature, the heat dissipation purpose is achieved, the heat dissipation effect is good, rainwater subjected to heat exchange is discharged out of the cabinet body 1 through the water discharge pipe 88, after the rain stops, the rainwater in the serpentine water guide pipe 84 is discharged, the water storage tank 62 gradually rises, the second damping component 73 extrudes the movable heat dissipation plate 72, the movable heat dissipation plate 72 rises and simultaneously pushes the rain baffle 74 to rotate and open to be switched to the air-cooling circulation heat dissipation mode, the invention collects the rainwater through the water storage component, and the heat dissipation mode can be automatically switched according to the rainy day by combining the water cooling mode and the air cooling mode, the heat dissipation effect is greatly improved, the normal operation of the equipment is ensured, and the service life of the equipment is prolonged.
In this embodiment, a plurality of vertically arranged dust screens 721 are disposed at equal intervals in the mobile heat dissipation plate 72, an activated carbon adsorption screen 722 for adsorbing humid air is disposed between two adjacent dust screens 721, when the rain shield 74 is in an open state, the air-cooled circulation heat radiation state is established, the dust screen 721 inside the movable heat radiation plate 72 corresponds to the ventilation opening 3, thereby filtering and intercepting dust in the air, when the movable heat dissipation plate 72 moves downwards, the dust screen 721 is driven to move downwards, and simultaneously the activated carbon adsorption screen 722 moves downwards corresponding to the air vent 3, when the rain shield 74 seals the ventilation opening 3, the activated carbon adsorption net 722 performs drying and moisture absorption treatment on the moisture in the air inside the drawer 2, and the activated carbon adsorption net 722 can adsorb and absorb impurities in the air, so that the effect of purifying the air can be realized while the air is dried.
In this embodiment, the cross section of the ventilation opening 3 is square, and matches with the movable heat dissipation plate 72.
In this embodiment, air-cooled circulation radiator unit 7 still includes the radiator fan 76 who assembles in vent 3 inner wall one side, and level setting at the power 761 and the conducting strip 762 that level setting is at removal radiator plate 72 top and can with power 761 electric connection at guide way 71 top, radiator fan 76 starts in air-cooled circulation radiating mode, realize that the inside hot gas flow of the cabinet body 1 can carry out bi-directional flow, the inside radiating effect of the cabinet body 1 has been promoted greatly, when the cabinet body 1 is inside for encapsulated situation, removal radiator plate 72 moves down and drives conducting strip 762 and break away from power 761, thereby close radiator fan 76, thereby can a large amount of energy saving.
In this embodiment, the air-cooled circulation radiator unit 7 further includes a pair of dust cleaning brushes 77 symmetrically disposed on both sides of the movable heat dissipating plate 72 and fixedly connected to the top of the ventilation opening 3, the pair of dust cleaning brushes 77 is opposite to each other, and the dust cleaning brushes 721 are abutted to each other, when the movable heat dissipating plate 72 moves down, the dust cleaning brushes 77 contact with the dust cleaning brushes 77 while driving the dust screen 721 to move down, and the dust cleaning brushes 77 clean dust inside the dust screen 721, thereby prolonging the service life of the dust screen 721 and improving the heat dissipating effect.
In this embodiment, the top of the second heat-conducting plate 83 is provided with tapered diversion bosses 831 at equal intervals along the length direction of the second heat-conducting plate 83, two adjacent tapered diversion bosses 831 form a diversion water channel 832, heat is conducted to the contact with the serpentine water conduit 84 through the first heat-conducting plate 82 and the second heat-conducting plate 83 and then is liquefied when being cooled, the liquefied water drops drip down on the tapered diversion bosses 831 on the second heat-conducting plate 83 along the first heat-conducting plate 82, due to the tapered arrangement of the tapered diversion bosses 831, the water flows into the diversion water channel 832 between the two tapered diversion bosses 831, and then flows to the outside of the cabinet body 1 along the drain pipe 88, high-temperature air containing more water can be liquefied into water drops by using a large temperature difference and then discharged, and the drying and damp-proof speed of the inside the rear cabinet body 1 is accelerated.
In this embodiment, a communication pipe 833 is communicated between the diversion water tank 832 and the water conduit 85, and a check valve is provided inside both the communication pipe 833 and the L-shaped water receiving pipe 87.
In this embodiment, the output end of the serpentine water conduit 84 at the bottom end of the cabinet 1 is communicated with a drain pipe 88, and the drain pipe 88 penetrates through the cabinet 1 and extends to one side of the outer wall of the cabinet 1.
In this embodiment, the retaining subassembly 6 is still including the fixed breakwater 4 that sets up in 1 top both sides of the cabinet body of symmetry, 4 cross sectional shapes of breakwater set up to the spill, two it is corresponding between the breakwater 4, through the setting of two breakwater 4, make two breakwater 4 collect the rainwater when the inside water level of catch basin 62 is lower, along with when the inside rainwater of catch basin 62 is more, inside the inside rainwater flow direction catch basin 62 of breakwater 4 when catch basin 62 moves down for rainwater collection efficiency.
In this embodiment, both sides of the inner wall of the drawer 2 are provided with a breathable net 21, and the bottom of the drawer 2 is provided with a plurality of through holes 22 at equal intervals.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a MNS low pressure pull-out type cubical switchboard with humidity resistance, includes the cabinet body (1), the cabinet body (1) inside vertical direction equidistant is provided with a plurality of drawers (2), drawer (2) become a plurality of studios that are independently used for installing electrical components with cabinet body (1) internal partitioning, multiunit vent (3), its characterized in that have been seted up about drawer (2) axis department symmetry to the inside both sides of the cabinet body (1): the cabinet body (1) both sides all are provided with heat dissipation mechanism (5), heat dissipation mechanism (5) include:
the water storage assembly (6) comprises two pairs of fixing pieces (61) which are symmetrically and fixedly arranged on two sides of the top of the cabinet body (1), a water storage tank (62) which is vertically arranged between the pair of fixing pieces (61) and can slide along the vertical direction, and two groups of guide rods (63) which are symmetrically arranged on two sides of the water storage tank (62) in a penetrating manner and fixed in the fixing pieces (61), and the water storage assembly (6) further comprises a first damping piece (64) for providing damping when the water storage tank (62) moves downwards;
the air-cooled circulating heat dissipation assembly (7) comprises two guide grooves (71) which are symmetrically arranged along the central axis of the cabinet body (1) and penetrate through a plurality of groups of ventilation openings (3), a movable heat dissipation plate (72) which is vertically arranged inside the ventilation openings (3) and can slide along the vertical direction, and a second damping piece (73) for providing damping when the movable heat dissipation plate (72) moves downwards; the air-cooling circulating heat dissipation assembly (7) further comprises a rain baffle plate (74) hinged between the two fixing pieces (61) and a pair of trigger pieces (75) symmetrically hinged between the rain baffle plate (74) and the movable heat dissipation plate (72); when the water storage tank (62) moves downwards, the trigger piece (75) is used for pushing the movable heat dissipation plate (72) to move downwards;
water-cooling circulation radiator unit (8), it includes along cabinet body (1) length direction equidistant setting mounting groove (81) in drawer (2) bottom, the fixed snakelike aqueduct (84) that set up between first heat-conducting plate (82) and second heat-conducting plate (83) and level at mounting groove (81) upper and lower both ends of symmetry, it is a plurality of the intercommunication has aqueduct (85) between snakelike aqueduct (84), water-cooling circulation radiator unit (8) are still including limbers (86) and the setting that run through catch basin (62) one side two fixing piece (61) inside and be used for the L shape water receiving pipe (87) of intercommunication aqueduct (85) and limbers (86).
2. The MNS low-voltage draw-out type switch cabinet with moisture resistance as claimed in claim 1, wherein: a plurality of vertically arranged dust screens (721) are arranged in the movable heat dissipation plate (72) at equal intervals, and an activated carbon adsorption screen (722) for adsorbing humid air is arranged between every two adjacent dust screens (721).
3. The MNS low-voltage draw-out type switch cabinet with moisture resistance as claimed in claim 1, wherein: the cross section of the ventilation opening (3) is square, and the ventilation opening is matched with the movable heat dissipation plate (72).
4. The MNS low-voltage draw-out type switchgear with moisture resistance as set forth in claim 1, wherein: the air-cooled circulating heat dissipation assembly (7) further comprises a heat dissipation fan (76) assembled on one side of the inner wall of the ventilation opening (3), a power supply (761) horizontally arranged at the top of the guide groove (71), and a conductive sheet (762) horizontally arranged at the top of the movable heat dissipation plate (72) and electrically connected with the power supply (761).
5. The MNS low-voltage draw-out type switch cabinet with moisture resistance of claim 2, wherein: the air-cooled circulating heat dissipation assembly (7) further comprises a pair of dust cleaning brushes (77) which are symmetrically arranged on two sides of the movable heat dissipation plate (72) and fixedly connected with the top of the ventilation opening (3), and the pair of dust cleaning brushes (77) correspond to each other and are abutted to the dust screen (721).
6. The MNS low-voltage draw-out type switch cabinet with moisture resistance as claimed in claim 1, wherein: the top of the second heat-conducting plate (83) is provided with conical diversion bosses (831) at equal intervals along the length direction of the second heat-conducting plate (83), and a diversion water tank (832) is formed between every two adjacent conical diversion bosses (831).
7. The MNS low-voltage draw-out type switch cabinet with moisture resistance of claim 6, wherein: a communicating pipe (833) is communicated between the diversion water tank (832) and the water guide pipe (85), and one-way valves are arranged inside the communicating pipe (833) and the L-shaped water receiving pipe (87).
8. The MNS low-voltage draw-out type switch cabinet with moisture resistance as claimed in claim 1, wherein: the output end of the snakelike water guide pipe (84) at the bottom end of the cabinet body (1) is communicated with a drain pipe (88), and the drain pipe (88) penetrates through the cabinet body (1) and extends to one side of the outer wall of the cabinet body (1).
9. The MNS low-voltage draw-out type switch cabinet with moisture resistance as claimed in claim 1, wherein: the water storage assembly (6) further comprises water baffles (4) symmetrically and fixedly arranged on two sides of the top of the cabinet body (1), and the cross section of each water baffle (4) is concave and is corresponding to the water baffles (4).
10. The MNS low-voltage draw-out type switch cabinet with moisture resistance as claimed in claim 1, wherein: both sides of the inner wall of the drawer (2) are provided with ventilating nets (21), and a plurality of through holes (22) are arranged at the bottom of the drawer (2) at equal intervals.
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| CN202210362186.XA CN114665407B (en) | 2022-04-07 | 2022-04-07 | MNS low-voltage draw-out type switch cabinet with moisture-proof performance |
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| CN202210362186.XA CN114665407B (en) | 2022-04-07 | 2022-04-07 | MNS low-voltage draw-out type switch cabinet with moisture-proof performance |
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| CN114665407B CN114665407B (en) | 2024-03-19 |
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| CN114665407B (en) | 2024-03-19 |
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Denomination of invention: A MNS low-voltage withdrawable switchgear with moisture-proof performance Granted publication date: 20240319 Pledgee: Zaozhuang rural commercial bank, Limited by Share Ltd. Pledgor: Shandong Dingsheng Electrical Equipment Co.,Ltd. Registration number: Y2024980034462 |