CN116191259B - Heat dissipation and moisture prevention device and method for electrical control cabinet - Google Patents
Heat dissipation and moisture prevention device and method for electrical control cabinet Download PDFInfo
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- CN116191259B CN116191259B CN202310143970.6A CN202310143970A CN116191259B CN 116191259 B CN116191259 B CN 116191259B CN 202310143970 A CN202310143970 A CN 202310143970A CN 116191259 B CN116191259 B CN 116191259B
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- heat
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000002265 prevention Effects 0.000 title claims description 9
- 239000000428 dust Substances 0.000 claims abstract description 29
- 238000009423 ventilation Methods 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 238000004140 cleaning Methods 0.000 claims description 31
- 230000000712 assembly Effects 0.000 claims description 13
- 238000000429 assembly Methods 0.000 claims description 13
- 230000009471 action Effects 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000005855 radiation Effects 0.000 abstract 2
- 239000012535 impurity Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- -1 leaves Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
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
- 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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G1/00—Non-rotary, e.g. reciprocated, appliances
- F28G1/08—Non-rotary, e.g. reciprocated, appliances having scrapers, hammers, or cutters, e.g. rigidly mounted
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G15/00—Details
- F28G15/02—Supports for cleaning appliances, e.g. frames
-
- 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
- H02B1/32—Mounting of devices therein
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Patch Boards (AREA)
Abstract
The invention relates to the technical field of substations, in particular to a heat-dissipating and moisture-proof device and method of an electrical control cabinet. The heat-dissipation and moisture-proof device of the electrical control cabinet comprises a heat-dissipation mechanism, a humidity detector, a dust detector and a control center, wherein the heat-dissipation mechanism comprises a heat exchange pipeline, two fans and two interface components, and the electrical control cabinet is provided with a vent and an exhaust port; the heat exchange pipeline is vertically arranged in the electrical control cabinet, and the upper end and the lower end of the heat exchange pipeline are respectively connected with the two ventilation openings through the interface assembly; when the heat exchange pipeline of the heat radiation mechanism is communicated with the interface component, air can enter the heat exchange pipeline, and when the heat exchange pipeline is disconnected with the interface component, air can directly enter the electrical control cabinet, so that different heat radiation modes are provided; according to the heat-dissipation and moisture-proof method of the electrical control cabinet, different heat-dissipation modes are selected according to the humidity and the pollution degree of the external environment, so that the influence of the external environment on components in the electrical control cabinet is reduced, and the service life of the electrical control cabinet is prolonged.
Description
Technical Field
The invention relates to the technical field of substations, in particular to a heat-dissipating and moisture-proof device and method of an electrical control cabinet.
Background
The electrical control cabinet is a common electrical component installation cabinet, is usually used for accommodating various relays, measuring instruments and auxiliary equipment, generates heat in the working process, and needs to timely dissipate heat in the cabinet body. However, when the air conditioner is used in an outdoor environment, when ventilation and heat dissipation capacity is carried out by using air in an external environment, the external air is easy to corrode or damage parts in the cabinet body.
Disclosure of Invention
The invention provides a heat-dissipation and moisture-proof device and a heat-dissipation and moisture-proof method for an electrical control cabinet, which are used for solving the problem that internal components are easy to corrode or damage due to external air when the existing control cabinet ventilates and dissipates heat.
The invention relates to a heat dissipation and moisture prevention device and a heat dissipation and moisture prevention method for an electrical control cabinet, which adopt the following technical scheme:
the heat dissipation and moisture prevention device of the electrical control cabinet comprises a heat dissipation mechanism, a humidity detector, a dust detector and a control center, wherein the heat dissipation mechanism comprises a heat exchange pipeline, two fans and two interface components, ventilation openings are formed in the upper end and the lower end of the electrical control cabinet, and an exhaust port is formed in the side face of the electrical control cabinet; the heat exchange pipeline is vertically arranged in the electrical control cabinet, the upper end and the lower end of the heat exchange pipeline are respectively connected with the two ventilation openings through the interface assembly, and the two fans are respectively positioned at the two ventilation openings and used for sending external air into the electrical control cabinet or the heat exchange pipeline; when the heat exchange pipeline is connected with the interface component, external air can enter the heat exchange pipeline; when the heat exchange pipeline is disconnected with the interface component, external air can enter the electrical control cabinet; the humidity detector is used for detecting the air humidity K outside the motor control cabinet; the dust detector is used for detecting the air dust degree L outside the motor control cabinet; the control center is used for controlling the connection and disconnection of the heat exchange pipeline and the interface assembly, and the starting and closing of the two fans and the opening and closing of the air outlet.
The interface component comprises a corrugated pipe and a first magnetic ring, one end of the corrugated pipe is arranged on the inner wall of the motor control cabinet and is communicated with the ventilation opening, and the first magnetic ring is arranged at the other end of the corrugated pipe; the corrugated pipe is vertically arranged and is coaxial with the heat exchange pipeline in a vertical state; the two ends of the heat exchange pipeline are provided with second magnetic rings, the second magnetic rings are attracted with the first magnetic rings in an electrified state, and the first magnetic rings are separated from the second magnetic rings under the action of the corrugated pipe in a power-off state of the second magnetic rings.
Further, a supporting rod is arranged in the heat exchange pipeline, extends along the axis of the heat exchange pipeline and is fixedly connected with the heat exchange pipeline; the heat dissipation mechanism further comprises a cleaning plate which is slidably arranged on the support rod and is attached to the inner peripheral wall of the heat exchange pipeline; the two ends of the heat exchange pipeline are provided with convex parts, the convex parts are spherical structures, the middle parts of the spherical structures are convex in the direction away from the axis of the heat exchange pipeline, and the diameter of the cleaning plate is smaller than the inner diameter of the convex parts; the wind entering the heat exchange pipeline pushes the cleaning plate to the protruding part and then passes through the space between the cleaning plate and the protruding part, and the cleaning plate cleans the inner wall of the heat exchange pipeline in the moving process.
Further, springs are arranged at two ends of the supporting rods, the springs are extruded when the cleaning plates move to the protruding portions, and when wind stops passing through the heat exchange pipeline, the cleaning plates move to the inside of the heat exchange pipeline under the action of the springs.
Further, the heat dissipation mechanism has a plurality of, and corresponding vent has a plurality of.
The heat dissipation and moisture prevention method for the electrical control cabinet utilizes the heat dissipation and moisture prevention device for the electrical control cabinet, and comprises the following steps of:
s10, acquiring and controlling air humidity K and air dust L outside an electrical control cabinet;
s20, if the air humidity K is smaller than a first preset value and the air dust degree L is smaller than a second preset value, adopting a first heat dissipation mode; and if the air humidity K is not smaller than the first preset value or the air dust degree L is not smaller than the second preset value, adopting a second heat dissipation mode.
Further, the first heat dissipation mode includes:
opening the exhaust port, disconnecting the heat exchange pipeline from the two interface assemblies, starting the two motors to send external air into the electrical control cabinet through the interface assemblies, and discharging the air from the exhaust port after taking away heat in the electrical control cabinet.
Further, the second heat dissipation mode includes:
closing the exhaust port, enabling the heat exchange pipeline to be communicated with the two interface assemblies, starting one of the motors to send external air into the heat exchange pipeline through one ventilation opening and the interface assemblies, and discharging air entering the heat exchange pipeline from the other ventilation opening after cooling the inside of the electrical control cabinet through the heat exchange pipeline.
Further, fans started in the second heat dissipation mode are different in two adjacent times.
The beneficial effects of the invention are as follows: the heat-dissipation and moisture-proof device of the electrical control cabinet is provided with the heat-dissipation mechanism for dissipating heat of the electrical control cabinet, the humidity detector and the dust detector are arranged for monitoring the humidity and the pollution degree of the external environment, when the heat-exchange pipeline of the heat-dissipation mechanism is communicated with the interface component, air can enter the heat-exchange pipeline, and when the heat-exchange pipeline is disconnected with the interface component, air can directly enter the electrical control cabinet, so that different heat-dissipation modes are provided; according to the heat-dissipation and moisture-proof method of the electrical control cabinet, different heat-dissipation modes are selected according to the humidity and the pollution degree of the external environment, so that the influence of the external environment on components in the electrical control cabinet is reduced, and the service life of the electrical control cabinet is prolonged.
Furthermore, the heat-dissipating and moisture-proof device of the electrical control cabinet is provided with the cleaning plate in the heat-exchanging pipeline, so that the cleaning plate is pushed to clean the inner wall of the heat-exchanging pipeline once when wind passes through the heat-exchanging pipeline every time, and the heat-dissipating effect of the heat-exchanging pipeline is further ensured.
Furthermore, the heat-dissipation and moisture-proof device of the electrical control cabinet utilizes the structural characteristics of the corrugated pipe, and the corrugated pipe swings back and forth under the action of wind force when wind passes through the interior of the heat-dissipation and moisture-proof device, so that different positions in the electrical control cabinet are ventilated and heat-dissipated, and the heat-dissipation effect is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of a heat dissipating and moisture resistant device for an electrical control cabinet of the present invention mounted to the electrical control cabinet;
FIG. 2 is a schematic view of a heat dissipating mechanism in an embodiment of a heat dissipating moisture barrier for an electrical control cabinet according to the present invention;
FIG. 3 is a schematic view of the internal structure of a heat exchange tube in an embodiment of a heat dissipating moisture barrier for an electrical control cabinet according to the present invention;
FIG. 4 is an enlarged schematic view of FIG. 2 at A;
FIG. 5 is a schematic diagram of an interface assembly of an embodiment of a thermal and moisture protection device for an electrical control cabinet according to the present invention;
in the figure: 100. a heat exchange pipeline; 110. a support rod; 111. a spring; 120. a boss; 130. a second magnetic ring; 200. an interface assembly; 210. a bellows; 220. a first magnetic ring; 300. a cleaning plate; 400. a humidity detector; 500. a dust detector; 600. and a control center.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
An embodiment of a heat-dissipating moisture-proof device of an electrical control cabinet of the present invention, as shown in fig. 1 to 5, includes a heat-dissipating mechanism, a humidity detector 400, a dust detector 500, and a control center 600.
The heat dissipation mechanism comprises a heat exchange pipeline 100, two fans and two interface assemblies 200, the upper end and the lower end of the electrical control cabinet are respectively provided with a vent, and the side surface of the electrical control cabinet is provided with an exhaust port; in order to prevent rainwater or sundries from entering the electric control cabinet or the heat exchange pipeline 100 through the vent at the upper end of the electric control cabinet, an elbow can be additionally arranged at the vent at the upper end, so that external air enters the elbow horizontally and then enters the electric control cabinet from the vent; and because the ventilation opening is arranged at the lower end of the electrical control cabinet, the device is suitable for the electrical control cabinet with a structure that the bracket supports or is arranged on a wall body and the like. The heat exchange pipeline 100 is vertically arranged in the electrical control cabinet, the upper end and the lower end of the heat exchange pipeline 100 are respectively connected with two ventilation openings through the interface assembly 200, and the two fans are respectively positioned at the two ventilation openings and used for sending external air into the electrical control cabinet or the heat exchange pipeline 100; when the heat exchange pipeline 100 is connected with the interface assembly 200, external air can enter the heat exchange pipeline 100 through one ventilation opening and then is discharged from the other ventilation opening, so that heat in the electrical control cabinet is taken away through the heat exchange pipeline 100; when the heat exchange pipeline 100 is disconnected from the interface assembly 200, external air can enter the electrical control cabinet, and the air entering the electrical control cabinet takes heat away and then is discharged from the exhaust port. In order to improve the heat dissipation capacity of the heat exchange pipeline 100, the heat exchange pipeline 100 may be made of a material with good heat conduction performance and insulation, for example, heat conducting silica gel, and when installed, the heat exchange pipeline is close to or in contact with an easily-heating element in the electrical control cabinet, so that heat dissipation and temperature reduction are effectively performed inside the electrical control cabinet. In order to avoid external impurities, such as leaves, plastics and the like, entering the ventilation opening along with air, a filter screen is additionally arranged at the ventilation opening to intercept.
The humidity detector 400 is used for detecting the air humidity K outside the motor control cabinet; the dust detector 500 is used to detect the air dust level L outside the motor control cabinet.
The control center 600 is used for controlling the connection and disconnection of the heat exchange pipeline 100 and the interface assembly 200, and controlling the starting and closing of the two fans and the opening and closing of the air outlet. The control center 600 may be a PLC control unit, and the air outlet may be provided with a valve plate, so that the air outlet is opened or closed by controlling the valve plate to move or rotate.
In this embodiment, the interface assembly 200 includes a bellows 210 and a first magnetic ring 220, one end of the bellows 210 is mounted on the inner wall of the motor control cabinet and is communicated with the ventilation opening, and the first magnetic ring 220 is mounted on the other end of the bellows 210; the bellows 210 is vertically disposed and coaxial with the heat exchange pipe 100 in a vertical state; the two ends of the heat exchange pipeline 100 are provided with the second magnetic ring 130, the second magnetic ring 130 is attracted with the first magnetic ring 220 in the electrified state, and the first magnetic ring 220 is separated from the second magnetic ring 130 under the action of the corrugated pipe 210 in the deenergized state of the second magnetic ring 130. The control center 600 controls the connection and disconnection of the heat exchange pipe 100 and the bellows 210 by powering on or off the second magnetic ring 130. When the first magnetic ring 220 is separated from the second magnetic ring 130, the fan is used for introducing air into the electrical control cabinet through the corrugated pipe 210, the corrugated pipe 210 is a foldable tubular elastic element, and due to the characteristics of the corrugated pipe, one end of the corrugated pipe 210, on which the first magnetic ring 220 is installed, swings back and forth under the action of wind force, so that ventilation and heat dissipation are carried out on different positions inside the electrical control cabinet, and further the heat dissipation effect is improved.
In this embodiment, a support rod 110 is disposed in the heat exchange tube 100, and the support rod 110 extends along the axis of the heat exchange tube 100 and is fixedly connected with the heat exchange tube 100; the heat dissipation mechanism further comprises a cleaning plate 300, wherein the cleaning plate 300 is slidably arranged on the support rod 110 and is attached to the inner peripheral wall of the heat exchange pipeline 100; the two ends of the heat exchange pipeline 100 are provided with the protruding parts 120, the protruding parts 120 are of spherical structures, the middle parts of the spherical structures are protruding away from the axial direction of the heat exchange pipeline 100, and the diameter of the cleaning plate 300 is smaller than the inner diameter of the protruding parts 120; the wind entering the heat exchange pipeline 100 pushes the cleaning plate 300 to the protruding part 120 and then passes through between the cleaning plate 300 and the protruding part 120, and the cleaning plate 300 cleans the inner wall of the heat exchange pipeline 100 in the moving process, so that the heat dissipation efficiency of the heat exchange pipeline 100 is prevented from being influenced by impurities attached to the inner wall of the heat exchange pipeline 100. When the cleaning plate 300 moves to the boss 120, the foreign substances in the heat exchange pipe 100 are pushed to the boss 120, and then the foreign substances are blown out by the wind. Wherein the impurities are generally dust attached to the inner wall of the heat exchange tube 100.
In this embodiment, the springs 111 are disposed at two ends of the support rod 110, and when the cleaning plate 300 moves to the boss 120 to press the springs 111, and the wind stops passing through the heat exchange tube 100, the cleaning plate 300 moves to the inside of the heat exchange tube 100 under the action of the springs 111, so that the inside of the heat exchange tube 100 is cleaned again when ventilation is performed next time in the heat exchange tube 100.
In this embodiment, there are a plurality of heat dissipation mechanisms, and a plurality of corresponding vents.
The embodiment of the heat dissipation and moisture prevention method of the electrical control cabinet, which is disclosed by the invention, comprises the following steps of:
s10, acquiring and controlling air humidity K and air dust L outside an electrical control cabinet;
s20, if the air humidity K is smaller than a first preset value and the air dust degree L is smaller than a second preset value, adopting a first heat dissipation mode; and if the air humidity K is not smaller than the first preset value or the air dust degree L is not smaller than the second preset value, adopting a second heat dissipation mode.
Specifically, after receiving the data of the air humidity K and the air dust level L, the control center 600 determines that if the air humidity K is smaller than a first preset value and the air dust level L is smaller than a second preset value, it indicates that the air in the external environment is drier and has no dust, and at this time, a first heat dissipation mode is adopted; if the air humidity K is not less than the first preset value, the air in the external environment is moist, and the weather can be rainy or foggy; if the air dust degree L is not smaller than the second preset value, the air in the external environment is turbid and possibly is windy and sandy, and under the two weather conditions, the external air is not suitable for radiating the inside of the electrical control cabinet, so that a second radiating mode is adopted. The first preset value and the second preset value can be determined according to the proper air humidity and air quality of components in the electrical control cabinet, and the smaller the first preset value is, the smaller the air humidity value entering the electrical control cabinet is, the smaller the second preset value is, and the smaller the air pollution degree entering the electrical control cabinet is. Specifically, the first preset value is preferably 60% rh, and the second preset value is preferably 10 mg/m.
In this embodiment, the first heat dissipation mode includes:
opening the exhaust port, disconnecting the heat exchange pipeline 100 from the two interface assemblies 200, starting the two motors to send external air into the electrical control cabinet through the interface assemblies 200, and exhausting the air from the exhaust port after taking heat in the electrical control cabinet away by the air.
Specifically, when the control center 600 determines that the air humidity K is smaller than the first preset value and the air dust level L is smaller than the second preset value, the air outlet is controlled to be opened, the second magnetic ring 130 is not electrified, the first magnetic ring 220 is separated from the second magnetic ring 130 under the action of the corrugated pipe 210, the two motors introduce external air into the electrical control cabinet from the corrugated pipe 210, the air takes away heat in the electrical control cabinet and then is discharged from the air outlet, and because the air in the external environment is drier and has no dust, the air in the electrical control cabinet can be used for rapidly cooling and radiating the inside of the electrical control cabinet.
In this embodiment, the second heat dissipation mode includes:
closing the exhaust port, enabling the heat exchange pipeline 100 to be communicated with the two interface assemblies 200, starting one motor to send external air into the heat exchange pipeline 100 through one ventilation opening and the interface assemblies 200, and discharging the air entering the heat exchange pipeline 100 from the other ventilation opening after cooling the inside of the electrical control cabinet through the heat exchange pipeline 100.
Specifically, when the control center 600 determines that the air humidity K is not less than the first preset value and the air dust level L is not less than the second preset value, the air outlet is controlled to be closed, the second magnetic ring 130 is electrified, the first magnetic ring 220 and the second magnetic ring 130 are attracted to each other, the corrugated pipe 210 is communicated with the heat exchange pipeline 100, when one fan is started, external air is introduced into the heat exchange pipeline 100 through the corrugated pipe 210, wind entering the heat exchange pipeline 100 pushes the cleaning plate 300 to move along the heat exchange pipeline 100, the inner surface of the heat exchange pipeline 100 is scraped and cleaned, the cleaning plate 300 is pushed to the protruding portion 120 by wind, the wind is discharged from the other ventilation opening between the cleaning plate 300 and the protruding portion 120 through the other corrugated pipe 210, and impurities pushed to the protruding portion 120 by the cleaning plate 300 are blown out along with the wind.
In this embodiment, the fans started in the second heat dissipation mode are different between two adjacent times, so that the wind directions of the two adjacent times passing through the heat exchange pipeline 100 are opposite, and the cleaning plate 300 is further moved back and forth in the heat exchange pipeline 100 to clean the heat exchange pipeline 100.
In this embodiment, in the initial state, the air outlet is in the closed state, the heat exchange pipeline 100 and the interface assembly 200 are in the disconnected state, and the two fans of each heat dissipation mechanism are in the stopped state, the steps S10 and S20 are performed at a certain time interval, or a temperature sensor is additionally installed in the electrical control cabinet, when the temperature reaches the value required to be cooled, the steps S10 and S20 are performed, after the first heat dissipation mode or the second heat dissipation mode is started for a certain time, the control center 600 enables the connection of the air outlet, the heat exchange pipeline 100 and the interface assembly 200, and the fans are restored to the initial state, so that external impurities are prevented from entering the electrical control cabinet through the air outlet, and before the second heat dissipation mode is started, the bellows 210 is kept vertical without passing through air, so that the bellows 210 is just communicated with the heat exchange pipeline 100 when the first magnetic ring 220 and the second magnetic ring 130 are adsorbed.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (8)
1. The heat dissipation and moisture prevention device of the electrical control cabinet is characterized by comprising a heat dissipation mechanism, a humidity detector, a dust detector and a control center, wherein the heat dissipation mechanism comprises a heat exchange pipeline, two fans and two interface components, ventilation openings are formed in the upper end and the lower end of the electrical control cabinet, and an exhaust port is formed in the side face of the electrical control cabinet; the heat exchange pipeline is vertically arranged in the electrical control cabinet, the upper end and the lower end of the heat exchange pipeline are respectively connected with the two ventilation openings through the interface assembly, and the two fans are respectively positioned at the two ventilation openings and used for sending external air into the electrical control cabinet or the heat exchange pipeline; when the heat exchange pipeline is connected with the interface component, external air can enter the heat exchange pipeline; when the heat exchange pipeline is disconnected with the interface component, external air can enter the electrical control cabinet; the humidity detector is used for detecting the air humidity K outside the motor control cabinet; the dust detector is used for detecting the air dust degree L outside the motor control cabinet; the control center is used for controlling the connection and disconnection of the heat exchange pipeline and the interface assembly, and the starting and closing of the two fans and the opening and closing of the air outlet;
the interface component comprises a corrugated pipe and a first magnetic ring, one end of the corrugated pipe is arranged on the inner wall of the motor control cabinet and is communicated with the ventilation opening, and the first magnetic ring is arranged at the other end of the corrugated pipe; the corrugated pipe is vertically arranged and is coaxial with the heat exchange pipeline in a vertical state; the two ends of the heat exchange pipeline are provided with second magnetic rings, the second magnetic rings are attracted with the first magnetic rings in an electrified state, and the first magnetic rings are separated from the second magnetic rings under the action of the corrugated pipe in a power-off state of the second magnetic rings.
2. The heat and moisture dissipating device for an electrical control cabinet of claim 1, wherein: a supporting rod is arranged in the heat exchange pipeline, extends along the axis of the heat exchange pipeline and is fixedly connected with the heat exchange pipeline; the heat dissipation mechanism further comprises a cleaning plate which is slidably arranged on the support rod and is attached to the inner peripheral wall of the heat exchange pipeline; the two ends of the heat exchange pipeline are provided with convex parts, the convex parts are spherical structures, the middle parts of the spherical structures are convex in the direction away from the axis of the heat exchange pipeline, and the diameter of the cleaning plate is smaller than the inner diameter of the convex parts; the wind entering the heat exchange pipeline pushes the cleaning plate to the protruding part and then passes through the space between the cleaning plate and the protruding part, and the cleaning plate cleans the inner wall of the heat exchange pipeline in the moving process.
3. The heat and moisture dissipating device of an electrical control cabinet according to claim 2, wherein springs are provided at both ends of the support bar, the cleaning plate is pressed when moving to the boss, and the cleaning plate is moved to the inside of the heat exchanging pipe under the action of the springs when the wind stops passing through the heat exchanging pipe.
4. The heat and moisture resistant device of claim 1 wherein there are a plurality of heat dissipating mechanisms and a plurality of corresponding vents.
5. A heat-dissipating moisture-proof method of an electrical control cabinet using the heat-dissipating moisture-proof device of any one of claims 1 to 4, comprising the steps of:
s10, acquiring and controlling air humidity K and air dust L outside an electrical control cabinet;
s20, if the air humidity K is smaller than a first preset value and the air dust degree L is smaller than a second preset value, adopting a first heat dissipation mode; and if the air humidity K is not smaller than the first preset value or the air dust degree L is not smaller than the second preset value, adopting a second heat dissipation mode.
6. The method of claim 5, wherein the first heat dissipation mode comprises:
opening the exhaust port, disconnecting the heat exchange pipeline from the two interface assemblies, starting the two motors to send external air into the electrical control cabinet through the interface assemblies, and discharging the air from the exhaust port after taking away heat in the electrical control cabinet.
7. The method for dissipating heat and preventing moisture of an electrical control cabinet according to claim 5, wherein: the second heat dissipation mode includes:
closing the exhaust port, enabling the heat exchange pipeline to be communicated with the two interface assemblies, starting one of the motors to send external air into the heat exchange pipeline through one ventilation opening and the interface assemblies, and discharging air entering the heat exchange pipeline from the other ventilation opening after cooling the inside of the electrical control cabinet through the heat exchange pipeline.
8. The method of claim 7, wherein fans activated in two adjacent second modes are different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310143970.6A CN116191259B (en) | 2023-02-21 | 2023-02-21 | Heat dissipation and moisture prevention device and method for electrical control cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310143970.6A CN116191259B (en) | 2023-02-21 | 2023-02-21 | Heat dissipation and moisture prevention device and method for electrical control cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116191259A CN116191259A (en) | 2023-05-30 |
| CN116191259B true CN116191259B (en) | 2023-11-07 |
Family
ID=86434165
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| CN116191259A (en) | 2023-05-30 |
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