CN214379312U - Power distribution cabinet with dampproofing heat dissipation function - Google Patents
Power distribution cabinet with dampproofing heat dissipation function Download PDFInfo
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- CN214379312U CN214379312U CN202022974931.5U CN202022974931U CN214379312U CN 214379312 U CN214379312 U CN 214379312U CN 202022974931 U CN202022974931 U CN 202022974931U CN 214379312 U CN214379312 U CN 214379312U
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Abstract
The scheme discloses a power distribution cabinet with a damp-proof heat dissipation function in the field of power equipment, which comprises a cabinet body, wherein a through hole and an air outlet are formed in the wall body of the cabinet body, an air drying box and a dry air storage box which are mutually communicated are connected at the through hole, the air drying box is positioned outside the cabinet body, and the dry air storage box is positioned in the cabinet body; the bottom of the air drying box is hollow, and moisture absorption particles are arranged in the air drying box; the dry air storage box is provided with a one-way air outlet valve, and a heat insulation layer is arranged inside the wall body of the dry air storage box; an air exchange fan is arranged at the air outlet. During heat dissipation, the ventilation fan operates to discharge hot air in the cabinet body to the outside of the cabinet body, and because of the single air outlet valve arranged on the dry air storage box, air in the dry air storage box enters the cabinet body, the temperature of the air in the dry air storage box is lower than that of the air in the cabinet body, the air is dry air, and therefore the effect of heat dissipation and humidity of air in the cabinet body during heat dissipation is achieved.
Description
Technical Field
The utility model belongs to the power equipment field, in particular to switch board with dampproofing heat dissipation function.
Background
The power distribution cabinet (box) is a final-stage device of a power distribution system, is a general name of a motor control center and is used in occasions with dispersed loads and less loops; motor control centers are used in load concentration and loop-rich applications, where they distribute the power from a circuit of a higher level of distribution equipment to nearby loads, which provide protection, monitoring and control of the loads.
When the power distribution cabinet is used, the internal electric elements generate heat when working, particularly in summer with high temperature, the high temperature of the heating element can cause the internal temperature of the power distribution cabinet to be higher, if the heat is not dissipated in time, the electric elements in the power distribution cabinet can be damaged, the electric elements can not work normally, and an electric appliance explosion accident can be caused seriously, most of the power distribution cabinets used at present are sealed into a whole, and do not have enough heat dissipation effect, so that the power distribution cabinets can not work and use for a long time, therefore, some power distribution cabinets capable of dissipating heat, such as a high-efficiency heat dissipation power distribution cabinet with the bulletin number of CN211295941U, comprise a bottom plate, a power distribution cabinet body and a heat dissipation plate, wherein the upper surface of the bottom plate is fixedly connected with a support rod, one end of the support rod is fixedly connected with the power distribution cabinet body, and the front surface of the power distribution cabinet body is movably connected with a cabinet door through a hinge, an air inlet is formed in one inner side face of the power distribution cabinet body. This high-efficient radiating switch board, setting through first fan group and second fan group, first fan group inhales the inside of switch board body with the outside air of switch board body, the inside steam discharge of switch board body is organized to the second fan, make this internal heat of switch board replacement that can be quick, increase air cycle, the vent and the heating panel of the interior diapire of cooperation switch board body and interior roof, can be high-efficiently to the inside heat reduction of switch board body, the radiating effect of switch board has been strengthened, prevent that the interior high temperature of cabinet, the life of electrical components in the switch board has been improved.
However, in the heat dissipation process, the external air is directly replaced into the cabinet body, so that the humidity in the cabinet can be rapidly increased in humid weather in the south, the corrosion speed of metal parts in the cabinet can be accelerated, the dangerous situation of short circuit of electrical elements is also difficult to avoid, and the damp-proof power distribution cabinet cannot perform good heat dissipation.
SUMMERY OF THE UTILITY MODEL
The utility model provides a can reach dampproofing can radiating switch board again.
The power distribution cabinet with the moisture-proof and heat-dissipation functions comprises a cabinet body, wherein a temperature sensor is installed in the cabinet body, a through hole and an exhaust port are formed in the wall body of the cabinet body, an air drying box and a dry air storage box which are mutually communicated are connected to the through hole, the air drying box is positioned outside the cabinet body, and the dry air storage box is positioned in the cabinet body; the bottom of the air drying box is hollow, and moisture absorption particles are arranged in the air drying box; the dry air storage box is provided with a one-way air outlet valve, the one-way air outlet valve is provided with a first electronic switch, and a heat insulation layer is arranged inside the wall body of the dry air storage box; the exhaust port is provided with a ventilation fan which is electrically connected with a second electronic switch;
the power distribution cabinet further comprises a single chip microcomputer, the temperature sensor is in electric signal connection with a signal input end of the single chip microcomputer, and the first electronic switch and the second electronic switch are in electric signal connection with a signal output end of the single chip microcomputer.
The working principle and the beneficial technical effects of the scheme are as follows: the bottom fretwork of air drying box, then the air of the external portion of cabinet mainly enters into the air drying box through the air drying box in, moisture in the moisture absorption granule absorption air in the air drying box, because of the circulation of air, the air after the drying can enter into the dry air case from the through-hole, make the air in dry air case and the air drying box all compare in the outside air drier, be equipped with the insulating layer because of the wall body inside of dry air case, then the heat of the internal portion of cabinet can not cause great influence to the air temperature in the dry air case.
During heat dissipation, the ventilation fan operates to discharge hot air in the cabinet body to the outside of the cabinet body, and because of the single air outlet valve arranged on the dry air storage box, air in the dry air storage box enters the cabinet body, the temperature of the air in the dry air storage box is lower than that of the air in the cabinet body, the air is dry air, and therefore the effect of heat dissipation and humidity of air in the cabinet body during heat dissipation is achieved.
Specifically, the upper limit temperature is set to be 40 ℃ in the temperature sensor, the lower limit temperature is set to be 32 ℃, when the temperature in the cabinet body is sensed to reach 40 ℃, a signal is transmitted to the single chip microcomputer, the single chip microcomputer processes the signal and transmits a cooling signal to the first electronic switch and the second electronic switch, and then the ventilation fan and the one-way air outlet valve operate to dissipate heat; when the temperature sensor senses that the temperature in the cabinet body is reduced to 32 ℃, the signal is transmitted to the single chip microcomputer again, the single chip microcomputer processes the signal and transmits the signal for stopping cooling to the first electronic switch and the second electronic switch, the first electronic switch and the second electronic switch are closed, and then the ventilation fan and the one-way air outlet valve are both in a power-off closing state.
Further, the gas vent sets up at the top of the cabinet body, and cabinet body top outside is provided with the ceiling of "people" font, is connected with the baffle between the lowest of ceiling and cabinet body top, is equipped with the opening on the baffle. Usually the switch board is in outdoor use, and the setting of ceiling can play the sunshade effect to the cabinet body, avoids sunshine direct irradiation to switch board top to avoid the problem that the inside temperature of switch board that sunshine shines and brings risees fast.
Furthermore, a first screen plate is connected to the exhaust port, and a plurality of strip-shaped plastic films are connected to one side, away from the ventilation fan, of the first screen plate. When the strip-shaped plastic film does not have the wind power, the strip-shaped plastic film can be put on the first screen plate to cover the meshes on the first screen plate, so that the air entering the cabinet body from the first screen plate is reduced, and when the heat is dissipated, the plastic film is blown up under the action of the wind power and the normal heat dissipation is not hindered.
Furthermore, the longitudinal section of the air drying box is in a right trapezoid shape, a plurality of second screen plates are connected in the air drying box at intervals from top to bottom, and the moisture absorption particles are laid on the second screen plates. The amount of the moisture absorption particles in the air drying box is increased by arranging the spaced second screen plates, the problem that a large amount of moisture absorption particles are accumulated and cannot be efficiently utilized is avoided, and the air is ensured to be more sufficiently dried.
Furthermore, a plurality of holes are formed in the right-angle side of the air drying box, and the right-angle side of the air drying box is connected with the edge of the through hole; and a plurality of second net plates are inclined from the inclined edge of the air drying box to the right-angle edge.
Further, the moisture absorption particles are silica gel particle drying agents.
Further, the heat insulation material in the heat insulation layer is rock wool or glass wool.
Further, the right-angle side of air drying box adopts and is equipped with a plurality ofly the third otter board of hole is made, and is equipped with the embedded groove at the edge of through-hole, and the edge connection of third otter board has the otic placode, and the otic placode is embedded into in the embedded groove and is connected through the fastener, and the fastener includes the hasp of connecting on the cabinet body and the protruding nail of connecting on the otic placode, and the hasp lock joint is on the protruding nail. Such a construction also facilitates removal of the air drying box from the cabinet when it is replaced.
Drawings
Fig. 1 is a schematic structural diagram of a power distribution cabinet with a moisture-proof and heat-dissipating function according to the present invention;
fig. 2 is a partial structural schematic diagram of fig. 1.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the cabinet comprises a cabinet body a, a ceiling 1, a plastic film 2, a first screen plate 3, a baffle plate 4, a ventilation fan 5, a dry air storage box 6, a one-way air outlet valve 7, an air drying box 8, a third screen plate 801, a silica gel particle drying agent 802, a second screen plate 803, a hollow plate 804, a buckling piece 9, an ear plate 901, a hasp 902 and a convex nail 903.
Example 1 is substantially as shown in figures 1 and 2 of the accompanying drawings: the utility model provides a switch board with dampproofing heat dissipation function, includes cabinet body an, installs temperature sensor in the cabinet body an, has seted up the gas vent on the wall body at cabinet body a top, has respectively seted up two through-holes on the lateral wall of the both sides (preferred three sides) of cabinet body a. The outer side of the top of the cabinet body a is provided with a herringbone ceiling 1, a baffle 4 is connected between the lowest part of the ceiling 1 and the top of the cabinet body a, and an opening is arranged on the baffle 4. The air outlet is connected with a first screen plate 3, and one side of the first screen plate 3, which is far away from the ventilator 5, is connected with a plurality of strip-shaped plastic films 2.
The through hole is connected with an air drying box 8 and a dry air storage box 6 which are mutually communicated, the air drying box 8 is positioned outside the cabinet body a, and the dry air storage box 6 is positioned in the cabinet body a; a one-way air outlet valve 7 is arranged on the dry air storage box 6, a first electronic switch is arranged on the one-way air outlet valve 7, a heat insulation layer is arranged inside the wall body of the dry air storage box 6, and heat insulation materials in the heat insulation layer are rock wool; the exhaust port is provided with a ventilator 5, and the ventilator 5 is electrically connected with a second electronic switch.
The power distribution cabinet further comprises a single chip microcomputer, the temperature sensor is in electric signal connection with a signal input end of the single chip microcomputer, and the first electronic switch and the second electronic switch are in electric signal connection with a signal output end of the single chip microcomputer.
The bottom of air drying box 8 is fretwork board 804, the longitudinal section of air drying box 8 is right trapezoid, the right-angle side adoption of air drying box 8 is equipped with the third otter board 801 of a plurality of holes and makes, and be equipped with the embedded groove at the edge of through-hole, the edge connection of third otter board 801 has otic placode 901, otic placode 901 is embedded into the embedded groove and is connected through fastener 9, fastener 9 includes hasp 902 and the protruding nail 903 of connecting on the otic placode 901 of connecting on the cabinet body a, hasp 902 lock joint is on protruding nail 903, fix air drying box 8 in the through-hole department of cabinet body a, dismantle it from cabinet body a when such structure is also convenient for change air drying box 8.
Three second screen plates 803 are connected in the air drying box 8 at intervals from top to bottom, the second screen plates 803 incline from the inclined edges of the air drying box 8 to the right-angle edges made of the third screen plates 801, the second screen plates 803 are connected with a drying agent placing screen frame, and silica gel particle drying agents 802 are filled in the drying agent placing screen frame.
Example 3 differs from example 1 in that the heat insulating material of the heat insulating layer is glass wool.
Claims (8)
1. The utility model provides a switch board with dampproofing heat dissipation function, includes the cabinet body, its characterized in that: a temperature sensor is arranged in the cabinet body, a through hole and an exhaust port are formed in the wall body of the cabinet body, the through hole is connected with an air drying box and a dry air storage box which are mutually communicated, the air drying box is positioned outside the cabinet body, and the dry air storage box is positioned in the cabinet body; the bottom of the air drying box is hollow, and moisture absorption particles are arranged in the air drying box; the dry air storage box is provided with a one-way air outlet valve, the one-way air outlet valve is provided with a first electronic switch, and a heat insulation layer is arranged inside the wall body of the dry air storage box; the exhaust port is provided with a ventilation fan which is electrically connected with a second electronic switch;
the power distribution cabinet further comprises a single chip microcomputer, the temperature sensor is in electric signal connection with a signal input end of the single chip microcomputer, and the first electronic switch and the second electronic switch are in electric signal connection with a signal output end of the single chip microcomputer.
2. The power distribution cabinet with the moisture-proof and heat-dissipation functions as claimed in claim 1, wherein: the exhaust port is arranged at the top of the cabinet body, a herringbone ceiling is arranged on the outer side of the top of the cabinet body, a baffle is connected between the lowest position of the ceiling and the top of the cabinet body, and an opening is formed in the baffle.
3. The power distribution cabinet with the moisture-proof and heat-dissipation functions as claimed in claim 2, wherein: the exhaust port is connected with a first screen plate, and one side, which is far away from the ventilator, of the first screen plate is connected with a plurality of strip-shaped plastic films.
4. The power distribution cabinet with the moisture-proof and heat-dissipation functions as claimed in claim 3, wherein: the longitudinal section of the air drying box is in a right trapezoid shape, a plurality of second screen plates are connected in the air drying box at intervals from top to bottom, and the moisture absorption particles are laid on the second screen plates.
5. The power distribution cabinet with the moisture-proof and heat-dissipation function according to claim 4, characterized in that: the right-angle side of the air drying box is provided with a plurality of holes, and the right-angle side of the air drying box is connected with the edge of the through hole; and a plurality of second net plates are inclined from the inclined edge of the air drying box to the right-angle edge.
6. The power distribution cabinet with the moisture-proof and heat-dissipation functions according to any one of claims 1 to 5, characterized in that: the moisture absorption particles are silica gel particle drying agents.
7. The power distribution cabinet with the moisture-proof and heat-dissipation functions according to any one of claims 1 to 5, characterized in that: the heat insulation material in the heat insulation layer is rock wool or glass wool.
8. The power distribution cabinet with the moisture-proof and heat-dissipation function according to claim 5, characterized in that: the right angle limit of air drying box adopts and is equipped with a plurality ofly the third otter board of hole is made, and is equipped with the embedded groove at the edge of through-hole, and the edge connection of third otter board has the otic placode, and the otic placode is embedded into in the embedded groove and is connected through fastener, and fastener includes the hasp of connecting on the cabinet body and the protruding nail of connecting on the otic placode, and the hasp lock joint is on protruding nail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022974931.5U CN214379312U (en) | 2020-12-07 | 2020-12-07 | Power distribution cabinet with dampproofing heat dissipation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022974931.5U CN214379312U (en) | 2020-12-07 | 2020-12-07 | Power distribution cabinet with dampproofing heat dissipation function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214379312U true CN214379312U (en) | 2021-10-08 |
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ID=77984679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022974931.5U Active CN214379312U (en) | 2020-12-07 | 2020-12-07 | Power distribution cabinet with dampproofing heat dissipation function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214379312U (en) |
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2020
- 2020-12-07 CN CN202022974931.5U patent/CN214379312U/en active Active
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