CN115693427A - Waterproof heat-dissipation power distribution cabinet and control method - Google Patents
Waterproof heat-dissipation power distribution cabinet and control method Download PDFInfo
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 18
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- 238000009833 condensation Methods 0.000 claims description 95
- 230000005494 condensation Effects 0.000 claims description 95
- 230000008859 change Effects 0.000 claims description 31
- 238000007791 dehumidification Methods 0.000 claims description 24
- 238000009423 ventilation Methods 0.000 claims description 17
- 238000012544 monitoring process Methods 0.000 claims description 15
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Abstract
The invention provides a waterproof heat-dissipation power distribution cabinet and a control method, wherein the waterproof heat-dissipation power distribution cabinet comprises a cabinet body, a support rod, a water baffle, a transmission shaft, a wind mill, an air suction barrel, an air suction fan blade, a spiral pipe, a one-way air door and other structures; when wind blows the wind-force wind-mill, the air suction fan blade sucks air from the air suction barrel and blows out air from the spiral pipe, so that the components in the cabinet body are cooled and dissipated through flowing wind, then the wind blows the one-way wind door to be opened, and the wind blows out the cabinet body from the opened opening. The water baffle is horizontally arranged, so that the waterproof and dustproof effects are achieved; the one-way air door can only be opened outwards, so that rainwater and dust can be prevented from directly entering the cabinet body from the one-way air door, and a waterproof effect is achieved; in the contact process of wind and the inner wall of the spiral pipe, liquid drops in the wind are stained on the inner wall of the spiral pipe, so that gas-liquid separation is realized, and moisture in the wind is prevented from entering parts in the cabinet body. Through this scheme, make the switch board have good water-proof effects and radiating effect simultaneously.
Description
Technical Field
The invention relates to the technical field of power distribution cabinets, in particular to a waterproof heat-dissipation power distribution cabinet and a control method.
Background
The switch board is a basic power equipment, and its inside has gathered a large amount of electrical components, and the waterproof nature of switch board is very important, especially outdoor switch board, owing to need experience rainwater weather throughout the year, waterproof requirement will be much more than indoor switch board, and the outdoor temperature difference between night in many areas is big, forms the condensation easily in the cabinet.
The open air receives service environment to influence, switch board operational environment has a large amount of dusts to exist, if inside the dust gets into the switch board, can be to the very big influence of heat dissipation of equipment in the cabinet, the dust attaches to in the switch board above the components and parts, the condensation in the cabinet mixes with the inside dust of equipment, can produce corresponding electrically conductive channel, and then cause the influence to the electrical insulation of equipment, make this electrically non-conductive region convert into electrically conductive region, cause the major electric accident of main circuit short circuit emergence in components and parts circuit or the cabinet.
Present outdoor switch board need consider waterproofly, still need dispel the heat, generally for waterproofly, the heat dissipation mouth makes the strip shutter form, and each strip heat dissipation mouth top is equipped with rain-proof cover, and because the stopping of rain-proof cover for in being difficult to get into the cabinet along with the rainwater that wind-force transversely blown, meanwhile, the air current of transversely blowing also is difficult to get into in the cabinet, this heat dispersion that has restricted the switch board to a great extent.
Disclosure of Invention
The invention provides a waterproof heat-dissipation power distribution cabinet and a control method, which at least solve the problem that the power distribution cabinet in the prior art is poor in waterproof and heat-dissipation effects.
In order to solve the problems, according to one aspect of the invention, the invention provides a waterproof heat-dissipation power distribution cabinet which comprises a cabinet body, wherein a supporting rod is fixedly installed at the top end of the cabinet body, a water baffle is fixedly installed at the top end of the supporting rod, the water baffle covers the top end of the cabinet body, a ventilation area is arranged between the water baffle and the top end of the cabinet body, a transmission shaft is rotatably connected inside the cabinet body, and the transmission shaft vertically extends to the bottom of the cabinet body; the bracing piece rotates and is connected with the axis of rotation that the level set up, the one end fixed mounting of axis of rotation has the windmill, the windmill is located the ventilation zone, axis of rotation middle part fixed mounting has pneumatic gear, transmission shaft top fixed mounting has drive gear, drive gear is connected with pneumatic gear meshing, the part fixed mounting that the transmission shaft is located the internal portion of cabinet has the actuating lever, the cabinet side wall is equipped with the aspiration channel, the part fixedly connected with air-supply line that the aspiration channel is located the internal side of cabinet, the air-supply line inboard is connected with the connecting pipe, it is connected with the drive wheel to rotate between air-supply line and the connecting pipe, actuating lever drive wheel rotates, fixed mounting has the suction fan leaf in the through-hole of drive wheel, the one end fixed mounting that the air-supply line was kept away from to the connecting pipe has the spiral pipe, the gas outlet of one end of spiral pipe is towards the internal cavity of cabinet, the external wall of cabinet is rotated and is connected with one-way air door through connecting the pivot, one-way air door covers the department and is the opening, one-way air door is in the facade of aspiration channel.
Further, the driving rod is a worm, the driving wheel is a worm wheel, the spiral pipe penetrates through a flow guide pipe around a formed area, the bottom end of the flow guide pipe penetrates through the bottom of the cabinet body to the outside of the cabinet body, a liquid outlet of the spiral pipe is communicated with the flow guide pipe, and the flow guide pipe is used for discharging water in the spiral pipe.
Furthermore, the transmission shaft is provided with a plurality of driving rods at intervals along the vertical direction, each driving rod is correspondingly provided with a driving wheel, an air suction tube, an air inlet pipe, a connecting pipe and a spiral pipe, the guide pipe is connected with a plurality of spiral pipes in the vertical direction, and each air suction tube is relatively provided with a one-way air door.
Furthermore, the circumferential direction of the cabinet body is hexagonal prism type, and the cabinet body is provided with three pairs of opposite side walls; in each pair of opposite side walls, one side wall is provided with a plurality of air suction pipes at intervals in the vertical direction, the other side wall is provided with a plurality of one-way air doors at intervals in the vertical direction, and the plurality of one-way air doors and the plurality of air suction pipes are arranged in a one-to-one correspondence manner.
Further, the inside fixed mounting of the cabinet body has the filter screen, and transmission shaft, honeycomb duct and spiral pipe all are located the space department between the cabinet body and the filter screen.
Furthermore, the flow guide pipe is of a capillary fiber structure, and the bottom of the cabinet body is provided with a hole which is larger than the flow guide pipe in size and is used for the flow guide pipe to pass through; the opening height of the air suction barrel on the outer side of the cabinet body is lower than that of the air suction barrel on the inner side of the cabinet body.
Further, the bottom of the cabinet body is fixedly connected with a condensation dehumidifier, the condensation dehumidifier is provided with a water guide pipe, and the water guide pipe is used for discharging the condensation collected by the condensation dehumidifier out of the cabinet body.
According to another aspect of the invention, a control method is provided, which is used for the waterproof heat-dissipation power distribution cabinet, a control panel is arranged in the condensation dehumidifier, the control panel comprises an acquisition module, a processing module, a controller, a supervision module and a database, the acquisition module is used for acquiring temperature data and humidity data in the cabinet body and the rotating speed of the transmission shaft, the acquisition module is also used for acquiring wind power data of a ventilation area between the cabinet body and the water baffle and sending the acquired data to the processing module;
the processing module analyzes and processes the data sent by the acquisition module, temperature difference data of different time in the cabinet body is obtained by processing the temperature data, whether dew is required to be removed by the dew dehumidifier is judged by combining the temperature difference data and the humidity data, a corresponding signal is generated according to a judgment result and sent to the controller, and the controller performs corresponding action after receiving the signal;
the controller is when removing dew action, generates monitoring signal, and with monitoring signal transmission to supervision module, after supervision module received monitoring signal, send humidity to collection module and continue the acquisition signal, acquire the internal humidity change data of cabinet, and with humidity change data transmission to supervision module, supervision module carries out the analysis to humidity change data, generate the power adjustment signal, and with power adjustment signal transmission to controller, the controller is according to the operating power of power adjustment signal adjustment condensation dehumidifier.
Further, the collection module collects temperature at fixed time intervals, the difference value of temperature data of two time points is recorded as a temperature difference value T, the collection module collects humidity at faster fixed time intervals, the humidity value of the humidity collection time point between the time points at two ends of the temperature difference value is averaged to obtain average humidity Rh, a condensation characteristic value K = XX (T + Rh), wherein Rh is a relative humidity value, T is a temperature difference value, and X is a characteristic coefficient, the processing module calls a condensation characteristic threshold Kmin from a database, compares the condensation characteristic value K with the condensation characteristic threshold Kmin, generates a signal with a condensation condition if the condensation characteristic value K is larger than or equal to the condensation characteristic threshold Kmin, and generates a signal without the condensation condition if the condensation characteristic value K is smaller than the condensation characteristic threshold Kmin;
after receiving the rotating speed data of the transmission shaft, the processing module calls a rotating speed threshold from the database, if the rotating speed data is greater than or equal to the rotating speed threshold, a rotating speed enough signal is generated, and if the rotating speed data is less than the rotating speed threshold, a rotating speed insufficient signal is generated;
after receiving the wind power data of the ventilation area, the processing module calls a wind power threshold value from the database, if the wind power data is larger than or equal to the wind power threshold value, a sufficient wind power signal is generated, and if the wind power data is smaller than the wind power threshold value, a insufficient wind power signal is generated;
when the processing module simultaneously generates a wind power shortage signal, a rotating speed shortage signal and a condensation condition signal, a dehumidification signal is generated, and the controller controls the condensation dehumidifier to dehumidify through the dehumidification signal;
when the processing module simultaneously generates a wind power shortage signal, a rotating speed shortage signal and a condensation condition signal, a standby signal is generated, and the controller controls the condensation dehumidifier to be in standby through the standby signal;
when the processing module simultaneously generates a wind power enough signal and a rotating speed insufficient signal, a fault signal is generated, and the controller sends alarm information through the fault signal;
when the processing module simultaneously generates a wind power enough signal, a rotating speed enough signal and a condensation condition signal, an auxiliary dehumidification signal is generated, and the controller controls the condensation dehumidifier to dehumidify through the auxiliary dehumidification signal;
when the processing module simultaneously generates a wind power enough signal, a rotating speed enough signal and a condensation condition signal, a standby signal is generated, and the controller controls the condensation dehumidifier to be in standby through the standby signal.
Further, when the controller receives a dehumidification signal or an auxiliary dehumidification signal, a monitoring signal is generated, the monitoring signal is sent to the supervision module, when the collection module receives a humidity continuous collection signal, the humidity collection frequency is improved, the collected humidity continuous data are sent to the supervision module, the supervision module carries out difference analysis on continuous data points in the humidity continuous data to obtain a humidity change rate, meanwhile, the humidity change rate is compared with a humidity change threshold in the supervision module, if the humidity change rate is larger than the humidity change threshold, no reaction is carried out, if the humidity change rate is smaller than or equal to the humidity change threshold, a power increase signal is generated, the power increase signal is sent to the controller, and the controller increases the power of the condensation dehumidifier through the power increase signal.
By applying the technical scheme of the invention, the ventilation area is arranged between the water baffle and the cabinet body, when wind blows the wind power windmill, the wind power windmill drives the transmission shaft to rotate, the transmission shaft drives the driving rod to rotate, the driving rod drives the suction fan blade to rotate through the driving wheel, the suction fan blade sucks air from the suction barrel, the wind sequentially flows through the suction barrel, the suction fan blade, the connecting pipe and the spiral pipe and is blown out from the spiral pipe, so that the flowing wind cools and dissipates heat of components in the cabinet body, and then the wind blows the one-way air door to open and is blown out of the cabinet body from the opened opening. The water baffle is horizontally arranged, the area of the water baffle is larger than that of the top end of the cabinet body, and the water baffle plays a role in water prevention and dust prevention; the one-way air door is closed under the gravity and can only be opened outwards, so that rainwater and dust can be prevented from directly entering the cabinet body from the one-way air door, and a waterproof effect is achieved; the surface area in the spiral pipe is large, and liquid drops in the wind are stained on the inner wall of the spiral pipe in the contact process of the wind and the inner wall of the spiral pipe, so that gas-liquid separation is realized, and moisture brought in the wind is prevented from entering parts in the cabinet body. Through this scheme, compare with prior art, make the switch board have good water-proof effects and radiating effect simultaneously.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate 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 front view of a waterproof heat-dissipation power distribution cabinet provided by the present invention;
fig. 2 is a schematic structural view of a wind turbine in the waterproof heat-dissipation power distribution cabinet provided by the present invention;
fig. 3 is a side sectional view of the waterproof heat-dissipating power distribution cabinet of fig. 1;
FIG. 4 is an enlarged view taken at A in FIG. 3;
fig. 5 is a schematic diagram of a spiral pipe structure in the waterproof heat-dissipation power distribution cabinet provided by the invention;
fig. 6 is a schematic structural view of a driving wheel in the waterproof heat-dissipation power distribution cabinet provided by the invention.
Wherein the figures include the following reference numerals:
1. a cabinet body; 2. a water baffle; 3. an air suction cylinder; 4. a one-way damper; 5. a support bar; 6. a drive shaft; 7. a rotating shaft; 8. a wind mill; 9. a pneumatic gear; 10. a transmission gear; 11. a filter screen; 12. a flow guide pipe; 13. an air inlet pipe; 14. a drive rod; 15. a spiral tube; 16. connecting the rotating shaft; 17. an intake fan blade; 18. a connecting pipe; 19. a drive wheel; 20. a dew dehumidifier.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. 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 invention.
As shown in fig. 1 to 6, an embodiment of the invention provides a waterproof heat-dissipation power distribution cabinet, which comprises a cabinet body 1, wherein a supporting rod 5 is fixedly installed at the top end of the cabinet body 1, a water baffle 2 is fixedly installed at the top end of the supporting rod 5, the water baffle 2 covers the top end of the cabinet body 1, a ventilation area is arranged between the water baffle 2 and the top end of the cabinet body 1, a transmission shaft 6 is rotatably connected inside the cabinet body 1, and the transmission shaft 6 extends to the bottom of the cabinet body 1 in the vertical direction; the support rod 5 is rotatably connected with a rotating shaft 7 which is horizontally arranged, one end of the rotating shaft 7 is fixedly provided with a wind power windmill 8, the wind power windmill 8 is located in a ventilation area, the middle of the rotating shaft 7 is fixedly provided with a wind power gear 9, the top of a transmission shaft 6 is fixedly provided with a transmission gear 10, the transmission gear 10 is meshed with the wind power gear 9, a driving rod 14 is fixedly installed on the part, located inside the cabinet body 1, of the transmission shaft 6, the side wall of the cabinet body 1 is provided with a suction cylinder 3, the part, located inside the cabinet body 1, of the suction cylinder 3 is fixedly connected with an air inlet pipe 13, the inside of the air inlet pipe 13 is connected with a connecting pipe 18, a driving wheel 19 is rotatably connected between the air inlet pipe 13 and the connecting pipe 18, the driving wheel 19 is driven by the driving rod 14 to rotate, a suction fan blade 17 is fixedly installed in a through hole of the driving wheel 19, one end, far away from the air inlet pipe 13, of the connecting pipe 18 is fixedly provided with a spiral pipe 15, a gas outlet at one end of the spiral pipe faces towards a cavity inside the cabinet body 1, the cabinet body 1 is rotatably connected with a one-way air door 4 through the connecting shaft 16, the one-way air door 4, the place where the one-way air door 4 covers is an opening, and the one-way door 4 is located opposite to the air inlet pipe 3.
By applying the technical scheme of the invention, a ventilation area is arranged between the water baffle 2 and the cabinet body 1, when wind blows through the wind mill 8, the wind mill 8 drives the transmission shaft 6 to rotate, the transmission shaft 6 drives the driving rod 14 to rotate, the driving rod 14 drives the suction fan blade 17 to rotate through the driving wheel 19, the suction fan blade 17 sucks air from the suction cylinder 3, the wind sequentially flows through the suction cylinder 3, the suction fan blade 17, the connecting pipe 18 and the spiral pipe 15 and then blows out from the spiral pipe 15, so that the components in the cabinet body 1 are cooled and radiated by flowing wind, and then the wind blows the one-way air door 4 to open and blow out of the cabinet body from the opened opening. The water baffle 2 is horizontally arranged, the area of the water baffle is larger than that of the top end of the cabinet body 1, and the water baffle plays a role in water prevention and dust prevention; the one-way air door 4 is closed under the gravity and can only be opened outwards, so that rainwater and dust can be prevented from directly entering the cabinet body 1 from the one-way air door 4, and a waterproof effect is achieved; the surface area in the spiral pipe 15 is relatively large, and liquid drops in wind are stained on the inner wall of the spiral pipe 15 in the contact process of the wind and the inner wall of the spiral pipe 15, so that gas-liquid separation is realized, and moisture brought in the wind is prevented from entering parts in the cabinet body 1. Through this scheme, compare with prior art, make the switch board have good water-proof effects and radiating effect simultaneously.
Wherein, actuating lever 14 is the worm, and drive wheel 19 is the worm wheel, and honeycomb duct 12 is worn to be equipped with around the region that forms by spiral pipe 15, and cabinet 1 bottom to cabinet 1 outside is passed to honeycomb duct 12 bottom, and the liquid outlet and the honeycomb duct 12 intercommunication of spiral pipe 15, honeycomb duct 12 are arranged in discharging the water in the spiral pipe 15, and the accessible honeycomb duct 12 is discharged the water that spiral pipe 15 separated like this.
As shown in fig. 1 and 3, the transmission shaft 6 is provided with a plurality of driving rods 14 at intervals along the vertical direction, each driving rod 14 is correspondingly provided with a driving wheel 19, an air suction drum 3, an air inlet pipe 13, a connecting pipe 18 and a spiral pipe 15, the guide pipe 12 is connected with the spiral pipes 15 in the vertical direction, and each air suction drum 3 is relatively provided with a one-way air door 4. Through the arrangement, the ventilation effect in the cabinet body 1 can be improved, so that the heat dissipation effect is improved.
Further, the circumferential direction of the cabinet body 1 is hexagonal prism type, and the cabinet body 1 is provided with three pairs of opposite side walls; in each pair of opposite side walls, one side wall is provided with a plurality of air suction pipes 3 at intervals in the vertical direction, the other side wall is provided with a plurality of one-way air doors 4 at intervals in the vertical direction, and the plurality of one-way air doors 4 and the plurality of air suction pipes 3 are arranged in a one-to-one correspondence manner. Waterproof heat dissipation switch board can utilize the wind of equidirectional not to carry out ventilation cooling like this, has further improved the radiating effect.
In this embodiment, a filter screen 11 is fixedly installed inside the cabinet 1, and the transmission shaft 6, the flow guide pipe 12 and the spiral pipe 15 are all located in a gap between the cabinet 1 and the filter screen 11. Impurities such as dust can be prevented from entering the cabinet body 1 by arranging the filter screen 11.
Specifically, the draft tube 12 is of a capillary fiber structure, and the bottom of the cabinet body 1 is provided with a hole larger than the draft tube 12 in size for the draft tube 12 to pass through; the opening height of the air suction barrel 3 positioned at the outer side of the cabinet body 1 is lower than the opening height positioned at the inner side of the cabinet body 1.
Further, the bottom of the cabinet body 1 is fixedly connected with a condensation dehumidifier 20, the condensation dehumidifier 20 is equipped with a water conduit, and the water conduit is used for discharging the condensation collected by the condensation dehumidifier 20 to the outside of the cabinet body 1. Like this when the switch board produces the condensation, accessible condensation dehumidifier 20 handles, avoids the use of condensation influence switch board.
The invention also provides a control method which is used for the waterproof heat-dissipation power distribution cabinet, and specifically comprises the steps that a control panel is arranged in the condensation dehumidifier 20, the control panel comprises an acquisition module, a processing module, a controller, a supervision module and a database, the acquisition module is used for acquiring temperature data and humidity data in the cabinet body 1 and the rotating speed of the transmission shaft 6, and the acquisition module is also used for acquiring wind power data of a ventilation area between the cabinet body 1 and the water baffle 2 and sending the acquired data to the processing module;
the processing module analyzes and processes the data sent by the acquisition module, obtains temperature difference data of different time in the cabinet body 1 by processing the temperature data, judges whether the dew-removing dehumidifier 20 needs dew removing by combining the temperature difference data and the humidity data, generates a corresponding signal according to a judgment result, sends the signal to the controller, and performs corresponding action after receiving the signal;
the controller is when removing the dew action, generates monitoring signal, and with monitoring signal transmission to supervisory module, supervisory module receives monitoring signal back, send humidity to collection module and continue the acquisition signal, acquire the humidity change data in the cabinet body 1, and with humidity change data transmission to supervisory module, supervisory module carries out the analysis to humidity change data, generate power adjustment signal, and with power adjustment signal transmission to controller, the controller is according to the operating power of power adjustment signal adjustment condensation dehumidifier 20.
The method is combined with different data for comparative analysis, whether condensation exists in the cabinet body 1 can be found in time and processed in time, the automation degree is improved, and the normal use of the power distribution cabinet is prevented from being influenced by the condensation.
Specifically, the collection module collects temperature at fixed time intervals, the difference value of temperature data of two time points is recorded as a temperature difference value T, the collection module collects humidity at faster fixed time intervals, the humidity value between the time points of which the humidity collection time points are located at two ends of the temperature difference value is averaged to obtain average humidity Rh, a condensation characteristic value K = XX (T + Rh), wherein Rh is a relative humidity value, T is a temperature difference value, and X is a characteristic coefficient, the processing module calls a condensation characteristic threshold Kmin from a database, compares the condensation characteristic value K with the condensation characteristic threshold Kmin, generates a signal with a condensation condition if the condensation characteristic value K is greater than or equal to the condensation characteristic threshold Kmin, and generates a signal without the condensation condition if the condensation characteristic value K is less than the condensation characteristic threshold Kmin;
after receiving the rotating speed data of the transmission shaft 6, the processing module calls a rotating speed threshold value from the database, if the rotating speed data is larger than or equal to the rotating speed threshold value, a rotating speed enough signal is generated, and if the rotating speed data is smaller than the rotating speed threshold value, a rotating speed insufficient signal is generated;
after receiving the wind power data of the ventilation area, the processing module calls a wind power threshold value from the database, if the wind power data is larger than or equal to the wind power threshold value, a sufficient wind power signal is generated, and if the wind power data is smaller than the wind power threshold value, a insufficient wind power signal is generated;
when the processing module simultaneously generates a wind power shortage signal, a rotating speed shortage signal and a condensation condition signal, a dehumidification signal is generated, and the controller controls the condensation dehumidifier 20 to dehumidify through the dehumidification signal;
when the processing module simultaneously generates a wind power shortage signal, a rotating speed shortage signal and a condensation condition signal, a standby signal is generated, and the controller controls the condensation dehumidifier 20 to be in standby through the standby signal;
when the processing module simultaneously generates a wind power enough signal and a rotating speed insufficient signal, a fault signal is generated, and the controller sends alarm information through the fault signal;
when the processing module simultaneously generates a wind power enough signal, a rotating speed enough signal and a condensation condition signal, an auxiliary dehumidification signal is generated, and the controller controls the condensation dehumidifier 20 to dehumidify through the auxiliary dehumidification signal;
when the processing module simultaneously generates a wind power enough signal, a rotating speed enough signal and a condensation condition signal, a standby signal is generated, and the controller controls the condensation dehumidifier 20 to be in standby through the standby signal.
The method comprehensively considers various factors to control the condensation dehumidifier 20, thereby not only ensuring the dehumidification effect, but also avoiding the ineffective operation of the condensation dehumidifier 20 and saving the energy.
Further, when the controller receives the dehumidification signal or the auxiliary dehumidification signal, a monitoring signal is generated, the monitoring signal is sent to the supervision module, when the collection module receives the humidity continuous collection signal, the humidity collection frequency is improved, the collected humidity continuous data is sent to the supervision module, the supervision module carries out difference analysis on continuous data points in the humidity continuous data to obtain the humidity change rate, meanwhile, the humidity change rate is compared with a humidity change threshold value in the supervision module, if the humidity change rate is larger than the humidity change threshold value, no reaction is carried out, if the humidity change rate is smaller than or equal to the humidity change threshold value, a power increase signal is generated, the power increase signal is sent to the controller, and the controller increases the power of the condensation dehumidifier 20 through the power increase signal. Therefore, the cabinet body 1 can be quickly dehumidified when the humidity is high, and the dehumidification efficiency is improved.
To facilitate understanding of the present solution, the following is further described.
As shown in fig. 1 to 6, waterproof condensation heat dissipation switch board of preventing includes the cabinet body 1, the cabinet body 1 is the hexagonal prism type, be equipped with aspiration channel 3 on the cabinet body 1 and arrange at wind gap lateral wall interval, this mode of arranging can make the switch board be applicable to each wind direction, so that just can guarantee when having natural wind that the heat in the cabinet can in time discharge through this set of device, 1 top fixed mounting of the cabinet body has bracing piece 5, 5 top fixed mounting of bracing piece have breakwater 2, this breakwater 2 adopts the corrosion resistant plate preparation, can deal with various outdoor bad weather, breakwater 2 is greater than about 1 top 5cm of the cabinet body at horizontal all direction sizes, in order to prevent that the rainwater from directly blowing and beat at cabinet body 1 surface, 1 inside rotation of the cabinet body is connected with transmission shaft 6, 6 vertical directions of transmission shaft extend to 1 bottom of the cabinet body.
The lateral wall of the support rod 5 is rotatably connected with a rotating shaft 7, the front end of the rotating shaft 7 is fixedly provided with a wind power windmill 8, the plane where the windmill is located is perpendicular to a rain baffle, the installation position of the windmill is favorable for natural wind to blow through, most of the area of the wind is over the blades of the windmill, the middle part of the rotating shaft 7 is fixedly provided with a wind power gear 9, the top of the transmission shaft 6 is fixedly provided with a transmission gear 10, the transmission gear 10 is meshed with the transmission shaft 6, the blades are driven by the kinetic energy generated by the natural wind and are all transmitted by the transmission shaft 6, the transmission shaft 6 is made of composite materials, the hardness and the lightness of the materials are considered, the part of the transmission shaft 6, which is located inside the cabinet body 1, is fixedly provided with a plurality of groups of driving rods 14 at equal intervals, the installation number of the driving rods 14 is comprehensively determined according to the height of the cabinet body 1 and the heating temperature of components inside the cabinet, so that the wind can be blown directly onto the components with high heating value, the side wall of the cabinet body 1 is provided with an air suction cylinder 3, the position of the lateral wall of the cabinet body 3, the air suction cylinder 3, which is close to the transmission shaft is in an upward inclined state from the outside to the inside of the cabinet body 1, namely, the air inlet pipe 13 is fixedly connected with an air inlet pipe 13, one end of the air inlet pipe 18 fixedly connected with the connecting pipe 18, which is connected with the connecting pipe 18.
Optionally, spiral water conservancy diversion line is carved with to the inner wall of spiral pipe 15, the further promotion air current that spiral water conservancy diversion line is rotated, make the drop of water in the gas stay on the 15 inner walls of spiral pipe, further promotion steam separation, therefore the external air current is after getting into the cabinet body 1, the steam in the gas is cut down greatly, dry air current gets into in the cabinet, carry out ventilation and heat dissipation to the cabinet body 1, the inside fixed mounting of spiral pipe 15 spiral has honeycomb duct 12, honeycomb duct 12 bottom passes cabinet body 1 bottom to the cabinet body 1 outside. Rotate between air-supply line 13 and the connecting pipe 18 and be connected with drive wheel 19, meshing connection between drive wheel 19 and the actuating lever 14, make actuating lever 14 drive wheel 19 motion, 19 inside fixed mounting of drive wheel has suction fan leaf 17, suction fan leaf 17 adopts the ball structure in order to guarantee to rotate in a flexible way, the effect that the slight wind-force that does benefit to transmission shaft 6 passes through actuating lever 14 just can drive suction fan leaf 17 and rotate, honeycomb duct 12 is the capillary fiber structure, capillary fiber cuts apart into the capillary of individual fine and close with honeycomb duct 12 is inside, under capillary, the drop in the spiral pipe 15 is taken away by quick absorption, water conservancy diversion to cabinet body 1 outside simultaneously, the speed that the drop was derived is greatly improved to this structure, cabinet body 1 bottom is offered the size and is greater than the hole of honeycomb duct 12, supply honeycomb duct 12 to pass. The inside fixed mounting of cabinet body 1 has filter screen 11, and filter screen 11's installation mainly passes through in the switch board structure gap gets into the cabinet in order to prevent the dust in the air.
Optionally, filter screen 11 adopts detachable mounting structure to do benefit to the later stage and change or wash reuse, filter screen 11 blocks the grade of dust, and the requirement of components and parts to the dust grade decides in the condition and the cabinet according to the environment of outdoor switch board installation. The transmission shaft 6, the draft tube 12 and the spiral tube 15 are located in the gap between the cabinet body 1 and the filter screen 11, the outer wall of the cabinet body 1 is rotatably connected with the one-way air door 4 through a connecting rotating shaft 16, the covering position of the one-way air door 4 is an opening, the one-way air door 4 is of an upturning structure, the upturning structure prevents rainwater from flowing into the cabinet body 1, the one-way air door 4 adopts a free-sliding light structure, the exhaust of hot air in the cabinet and the intrusion of external dust into the cabinet are facilitated, air outlets are arranged from top to bottom of the cabinet body 1 and are arranged from the height of the cabinet body, the heat in the cabinet is rapidly exhausted, the one-way air door 4 is located on the opposite surface of the air suction tube 3, the one-way air door 4 and the air suction tube 3 are alternately arranged on the outer wall plane of the cabinet body 1, the bottom of the cabinet body 1 is fixedly connected with the condensation dehumidifier 20, the condensation dehumidifier 20 is provided with a water guide pipe, condensation in the cabinet is caused by day and night temperature difference too large, the weather windmill 8 cannot be driven to operate, and the condensation dehumidifier 20 automatically flows out of the water guide pipe.
Optionally, the condensation dehumidifier 20 is mainly composed of a power module, a fan protection cover, a fan, a first cooling fin, a semiconductor refrigeration fin, a heat insulation pad, a second cooling fin, a water receiving tray, and a water conduit, wherein when the semiconductor refrigeration fin is connected with a direct current, one end of the semiconductor refrigeration fin is refrigerated, and the other end of the semiconductor refrigeration fin is heated, the first cooling fin is tightly attached to the hot end of the refrigeration fin, the second cooling fin is tightly attached to the cold end of the refrigeration fin, the heat insulation pad is installed between the first cooling fin and the second cooling fin, the heat insulation pad prevents the first cooling fin from being in direct contact with the second cooling fin, and protects the semiconductor refrigeration fin, the fan is installed on the first cooling fin, so that heat at the hot end of the refrigeration fin is rapidly radiated, and effective refrigeration at the cold end of the refrigeration fin is ensured, the power module provides a power for the refrigeration fin and the fan, and the water conduit is connected to a water outlet of the condensation water out of the cabinet. When the controller sends a dehumidifying signal to the dehumidifier, the condensation dehumidifier 20 starts to work, and after the semiconductor refrigeration sheet is electrified, the cold end refrigerates and the hot end heats. The fan makes semiconductor refrigeration piece hot junction heat begin to spread, and the temperature reduces. After the semiconductor refrigerating sheet is electrified, the cold end is lower than the temperature of the air in the cabinet, the hot end is higher than the temperature of the air in the cabinet, and the temperature difference between the cold end and the hot end is basically unchanged. Therefore, when the fan reduces the temperature of the hot end, the temperature of the cold end is further reduced, and the refrigeration can be effectively carried out. Because the temperature of the second radiating fin is lower than the temperature of the air in the cabinet, moisture in the air in the cabinet can be continuously condensed into water and is gathered on the second radiating fin. When the condensed water is enough, the water can drop into the water receiving tray and then flows out of the cabinet body along the water guide pipe, so that the dehumidifying effect on the cabinet body is achieved.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the wind power windmill is driven to rotate by wind power outside the cabinet body, the windmill transmits the rotation to the suction fans in each spiral pipe through the transmission shaft, the suction fans rotate to suck external air, the air rotates in the spiral pipes, so that water drops and dust carried in the air flow are adhered to the pipe walls of the spiral pipes under the action of centrifugal force, and thus dry and clean air enters the cabinet body, the inside of the cabinet body is ventilated and radiated and is discharged from an air outlet, and the dust and the water drops in the spiral pipes flow out of the spiral pipes and flow out of the power distribution cabinet from the bottom of the cabinet body along the flow guide pipe;
2. in the invention, in a natural state, the one-way air door is in a closed state, dust cannot enter, and external dust can only enter the cabinet body from the air suction barrel;
3. according to the invention, when the climatic condition for forming condensation is provided in the cabinet, the condensation dehumidifier works, the dehumidification device adopts a semiconductor refrigeration dehumidification mode, the temperature of the built-in semiconductor condensation surface is less than or equal to-30 ℃, so that moisture in the air is condensed on the condensation surface, the humid air in the closed space is actively sucked into the dehumidification air channel under the action of the fan, water vapor in the air is condensed into water after passing through the semiconductor refrigeration mechanism, and then the water is discharged out of the cabinet body through the water guide pipe, so that a good dehumidification effect can be achieved.
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 waterproof heat-dissipation power distribution cabinet is characterized by comprising a cabinet body (1), wherein a supporting rod (5) is fixedly mounted at the top end of the cabinet body (1), a water baffle (2) is fixedly mounted at the top end of the supporting rod (5), the water baffle (2) covers the top end of the cabinet body (1), a ventilation area is formed between the water baffle (2) and the top end of the cabinet body (1), a transmission shaft (6) is rotatably connected inside the cabinet body (1), and the transmission shaft (6) extends to the bottom of the cabinet body (1) in the vertical direction; the utility model discloses a ventilating cabinet, including bracing piece (5), one end fixed mounting of axis of rotation (7), wind-force windmill (8) are located in the ventilation zone, axis of rotation (7) middle part fixed mounting has wind driving gear (9), transmission shaft (6) top fixed mounting has drive gear (10), drive gear (10) with wind driving gear (9) meshing is connected, transmission shaft (6) are located the inside partial fixed mounting of the cabinet body (1) has actuating lever (14), the cabinet body (1) lateral wall is equipped with suction tube (3), suction tube (3) are located the inboard partial fixedly connected with air-supply line (13) of the cabinet body (1), air-supply line (13) inboard is connected with connecting pipe (18), air-supply line (13) with rotate between connecting pipe (18) and be connected with drive wheel (19), actuating lever (14) drive wheel (19) rotate, fixed mounting has suction fan leaf (17) in the through-hole of drive wheel (19), connecting pipe (18) keep away from the one end fixed mounting of air-supply line (13) has drive wheel (15), the gaseous export of the spiral pipe (1) of the cabinet body towards the spiral pipe (1), the cabinet body (1) outer wall rotates through connecting pivot (16) and is connected with one-way air door (4), one-way air door (4) cover the department and be the opening, one-way air door (4) are in the opposite face of aspiration channel (3).
2. The waterproof and heat-dissipation power distribution cabinet according to claim 1, wherein the driving rod (14) is a worm, the driving wheel (19) is a worm wheel, a flow guide pipe (12) is arranged around a formed area in the spiral pipe (15), the bottom end of the flow guide pipe (12) penetrates through the bottom of the cabinet body (1) to the outside of the cabinet body (1), a liquid outlet of the spiral pipe (15) is communicated with the flow guide pipe (12), and the flow guide pipe (12) is used for discharging water in the spiral pipe (15).
3. The waterproof heat-dissipation power distribution cabinet according to claim 2, wherein the transmission shaft (6) is provided with a plurality of driving rods (14) at intervals in the vertical direction, each driving rod (14) is correspondingly provided with one driving wheel (19), one suction drum (3), one air inlet pipe (13), one connecting pipe (18) and one spiral pipe (15), the guide pipe (12) is connected with a plurality of spiral pipes (15) in the vertical direction, and each suction drum (3) is provided with one of the one-way dampers (4) relatively.
4. The waterproof and heat-dissipating power distribution cabinet according to claim 3, characterized in that the circumferential direction of the cabinet body (1) is hexagonal prism-shaped, and the cabinet body (1) has three pairs of opposite side walls; in each pair of opposite side walls, one side wall is provided with a plurality of the air suction pipes (3) at intervals in the vertical direction, the other side wall is provided with a plurality of the one-way air doors (4) at intervals in the vertical direction, and the one-way air doors (4) and the air suction pipes (3) are arranged in a one-to-one correspondence manner.
5. The waterproof heat-dissipation power distribution cabinet according to claim 2, wherein a filter screen (11) is fixedly installed inside the cabinet body (1), and the transmission shaft (6), the flow guide pipe (12) and the spiral pipe (15) are all located in a gap between the cabinet body (1) and the filter screen (11).
6. The waterproof heat-dissipation power distribution cabinet according to claim 2, wherein the flow guide tube (12) is of a capillary fiber structure, and a hole larger than the flow guide tube (12) in size is formed at the bottom of the cabinet body (1) for the flow guide tube (12) to pass through; the opening height of the air suction barrel (3) on the outer side of the cabinet body (1) is lower than the opening height on the inner side of the cabinet body (1).
7. The waterproof heat-dissipation power distribution cabinet according to claim 1, wherein a condensation dehumidifier (20) is fixedly connected to the bottom of the cabinet body (1), and the condensation dehumidifier (20) is equipped with a water conduit for discharging the condensation collected by the condensation dehumidifier (20) to the outside of the cabinet body (1).
8. A control method for the waterproof and heat-dissipating power distribution cabinet of claim 7,
a control panel is arranged in the condensation dehumidifier (20), and comprises an acquisition module, a processing module, a controller, a supervision module and a database, wherein the acquisition module is used for acquiring temperature data and humidity data in the cabinet body (1) and the rotating speed of the transmission shaft (6), and the acquisition module is also used for acquiring wind power data of a ventilation area between the cabinet body (1) and the water baffle (2) and sending the acquired data to the processing module;
the processing module analyzes and processes the data sent by the acquisition module, temperature difference data of different time in the cabinet body (1) is obtained by processing the temperature data, the temperature difference data and the humidity data are combined to judge whether the dew removing of the dew dehumidifier (20) is needed or not, a corresponding signal is generated according to a judgment result and sent to the controller, and the controller performs corresponding action after receiving the signal;
the controller generates monitoring signals when dew removing action is carried out, the monitoring signals are sent to the supervision module, the supervision module sends humidity continuous acquisition signals to the acquisition module after receiving the monitoring signals, humidity change data in the cabinet body (1) are acquired, the humidity change data are sent to the supervision module, the supervision module analyzes the humidity change data, power adjusting signals are generated, the power adjusting signals are sent to the controller, and the controller adjusts the operating power of the dew dehumidifier (20) according to the power adjusting signals.
9. The control method according to claim 8,
the collection module collects temperature at fixed time intervals, the difference value of temperature data of two time points is recorded as a temperature difference value T, the collection module collects humidity at faster fixed time intervals, the humidity value between the time points of which the humidity collection time points are located at two ends of the temperature difference value is averaged to obtain average humidity Rh, a condensation characteristic value K = X (T + Rh), wherein Rh is a relative humidity value, T is a temperature difference value, and X is a characteristic coefficient, the processing module calls a condensation characteristic threshold Kmin from the database, compares the condensation characteristic value K with the condensation characteristic threshold Kmin, generates a signal with a condensation condition if the condensation characteristic value K is larger than or equal to the condensation characteristic threshold Kmin, and generates a signal without the condensation condition if the condensation characteristic value K is smaller than the condensation characteristic threshold Kmin;
after receiving the rotating speed data of the transmission shaft (6), the processing module calls a rotating speed threshold value from the database, if the rotating speed data is larger than or equal to the rotating speed threshold value, a rotating speed enough signal is generated, and if the rotating speed data is smaller than the rotating speed threshold value, a rotating speed insufficient signal is generated;
after receiving the wind data of the ventilation area, the processing module calls a wind threshold value from the database, if the wind data is greater than or equal to the wind threshold value, a wind sufficient signal is generated, and if the wind data is smaller than the wind threshold value, a wind insufficient signal is generated;
when the processing module simultaneously generates a wind power shortage signal, a rotating speed shortage signal and a condensation condition signal, a dehumidification signal is generated, and the controller controls the condensation dehumidifier (20) to dehumidify through the dehumidification signal;
when the processing module simultaneously generates a wind power shortage signal, a rotating speed shortage signal and a condensation condition signal, a standby signal is generated, and the controller controls the condensation dehumidifier (20) to standby through the standby signal;
when the processing module simultaneously generates a wind power enough signal and a rotating speed insufficient signal, a fault signal is generated, and the controller sends alarm information through the fault signal;
when the processing module simultaneously generates a wind power enough signal, a rotating speed enough signal and a condensation condition signal, an auxiliary dehumidification signal is generated, and the controller controls the condensation dehumidifier (20) to dehumidify through the auxiliary dehumidification signal;
when the processing module simultaneously generates a wind power enough signal, a rotating speed enough signal and a condensation condition signal, a standby signal is generated, and the controller controls the condensation dehumidifier (20) to be standby through the standby signal.
10. The control method according to claim 9, wherein the controller generates a monitoring signal and transmits the monitoring signal to a supervisory module when receiving the dehumidification signal or the auxiliary dehumidification signal, the acquisition module increases the frequency of humidity acquisition when receiving the humidity continuous acquisition signal and transmits the acquired humidity continuous data to the supervisory module, the supervisory module performs difference analysis on continuous data points in the humidity continuous data to obtain a humidity change rate, and compares the humidity change rate with a humidity change threshold in the supervisory module, if the humidity change rate is greater than the humidity change threshold, no reaction is performed, if the humidity change rate is less than or equal to the humidity change threshold, a power increase signal is generated and transmitted to the controller, and the controller increases the power of the condensation dehumidifier (20) through the power increase signal.
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| CN202211392785.2A CN115693427A (en) | 2022-11-08 | 2022-11-08 | Waterproof heat-dissipation power distribution cabinet and control method |
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| CN202211392785.2A CN115693427A (en) | 2022-11-08 | 2022-11-08 | Waterproof heat-dissipation power distribution cabinet and control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118017381A (en) * | 2024-01-29 | 2024-05-10 | 国网山东省电力公司平度市供电公司 | Air circulation equipment for anti-condensation treatment based on power distribution cabinet and control method |
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- 2022-11-08 CN CN202211392785.2A patent/CN115693427A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118017381A (en) * | 2024-01-29 | 2024-05-10 | 国网山东省电力公司平度市供电公司 | Air circulation equipment for anti-condensation treatment based on power distribution cabinet and control method |
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