CN110957644A - Anti-condensation switch cabinet - Google Patents
Anti-condensation switch cabinet Download PDFInfo
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- CN110957644A CN110957644A CN201911069881.1A CN201911069881A CN110957644A CN 110957644 A CN110957644 A CN 110957644A CN 201911069881 A CN201911069881 A CN 201911069881A CN 110957644 A CN110957644 A CN 110957644A
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- cabinet body
- switch cabinet
- condensation
- cabinet
- primer
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- 238000009833 condensation Methods 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 230000003075 superhydrophobic effect Effects 0.000 claims description 26
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 21
- 230000005494 condensation Effects 0.000 claims description 19
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 18
- 238000000576 coating method Methods 0.000 claims description 16
- 239000003822 epoxy resin Substances 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 16
- 229920000647 polyepoxide Polymers 0.000 claims description 16
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 14
- FFUAGWLWBBFQJT-UHFFFAOYSA-N hexamethyldisilazane Chemical compound C[Si](C)(C)N[Si](C)(C)C FFUAGWLWBBFQJT-UHFFFAOYSA-N 0.000 claims description 14
- 229920005989 resin Polymers 0.000 claims description 14
- 239000011347 resin Substances 0.000 claims description 14
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 12
- 239000003973 paint Substances 0.000 claims description 12
- 238000002360 preparation method Methods 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 9
- 235000013870 dimethyl polysiloxane Nutrition 0.000 claims description 9
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 9
- 239000008367 deionised water Substances 0.000 claims description 8
- 229910021641 deionized water Inorganic materials 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 239000005543 nano-size silicon particle Substances 0.000 claims description 8
- 235000012239 silicon dioxide Nutrition 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 239000006184 cosolvent Substances 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 4
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 229940008099 dimethicone Drugs 0.000 claims description 3
- 239000008397 galvanized steel Substances 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000007791 dehumidification Methods 0.000 description 7
- 230000002209 hydrophobic effect Effects 0.000 description 5
- 238000013508 migration Methods 0.000 description 5
- 230000005012 migration Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- -1 dimethyl siloxane Chemical class 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention discloses an anti-condensation switch cabinet, which relates to the technical field of power systems and comprises a cabinet body and a cabinet door for sealing the cabinet body, wherein a water collecting tank, a drain pipe and a support frame are arranged in the cabinet body; the water collecting tank and the drain pipe are arranged below the supporting frame, the bottom of the water collecting tank is arranged in a downward inclined mode and is communicated with the upper end of the drain pipe, and the lower end of the drain pipe is communicated with the outside of the cabinet body; be equipped with the inlet wire pipeline on the cabinet body, the inlet wire pipeline is located the top of support frame. The invention has the advantages that the water vapor in the switch cabinet can be discharged through the drainage pipeline, the influence of the water vapor on other devices in the cabinet is reduced, and the service life of the switch cabinet can be effectively prolonged.
Description
Technical Field
The invention relates to the technical field of electric power systems, in particular to an anti-condensation switch cabinet.
Background
In the process of generating, transmitting, distributing and converting electric energy of an electric power system, the switch cabinet plays an important role in opening, closing, controlling and protecting electric equipment. Up to now, the switch cabinet has been widely used in the power supply and distribution system of the city.
Under the high temperature and high humidity environmental condition in spring and summer, the staff can bring the outside humid air into the cabinet body when carrying out the cabinet-opening maintenance to the cubical switchboard to make the inside condensation phenomenon that appears of cubical switchboard. The specific expression is that high-temperature and high-humidity gas in the air reaches dew point temperature when meeting a relatively low-temperature switch cabinet body, thereby liquefying on the surface of the cabinet body. If condensation occurs in the switch cabinet for a long time, the insulation performance of devices in the switch cabinet is reduced due to corrosion, and finally serious accidents such as surface discharge and the like are generated on the surface of the insulation device.
For the emergence that prevents above-mentioned accident, guarantee relevant equipment can long-time operation safely and stably to and reduce and overhaul the maintenance cost, reform transform traditional cubical switchboard and cabinet body structure, add the dehumidification and prevent the condensation function, and develop one kind and possess the condensation cubical switchboard of preventing of self-dehumidification function, and supporting novel cabinet body structure is imperative.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art: provided is a condensation-proof switch cabinet.
The technical solution of the invention is as follows:
a condensation-proof switch cabinet comprises a cabinet body and a cabinet door for sealing the cabinet body, wherein a water collecting tank, a drain pipe and a support frame are arranged in the cabinet body, the support frame comprises at least two support columns, and the at least two support columns are arranged on the inner wall of the cabinet body at intervals along the horizontal direction; the water collecting tank and the drain pipe are arranged below the supporting frame, the bottom of the water collecting tank is arranged in a downward inclined mode and is communicated with the upper end of the drain pipe, and the lower end of the drain pipe is communicated with the outside of the cabinet body; be equipped with the inlet wire pipeline on the cabinet body, the inlet wire pipeline is located the top of support frame.
Furthermore, super-hydrophobic coatings are sprayed on the cabinet body and the cabinet door; the super-hydrophobic coating comprises a primer and a finish; the primer comprises the following components: the fluorocarbon resin, the epoxy resin, the cosolvent and the deionized water are mixed according to a mass ratio of 7:4:1: 8; the finish paint is modified silica particles obtained by replacing hydroxyl on the surface of the modified nano-silica with hexamethyldisilazane; the mass ratio of the nano silicon dioxide to the hexamethyldisilazane is 4: 1.
Further, the primer also comprises dimethyl polysiloxane, and the mass ratio of the dimethyl polysiloxane to the epoxy resin is 1: 80.
Further, the cosolvent is one or two of toluene and butanone.
Further, the primer preparation method comprises the following steps:
s11, mixing fluorocarbon resin and epoxy resin in proportion, and heating and stirring until the fluorocarbon resin and the epoxy resin are completely melted to obtain an initial mixed material;
s12, adding a cosolvent into the mixed material obtained in the step S1, adding deionized water, and placing the mixture into a centrifugal stirrer to be stirred at a constant speed to obtain a primer of the super-hydrophobic material;
the preparation method of the finish paint comprises the following steps:
s21, introducing nitrogen into the nano silicon dioxide as protection, and heating for preactivation;
s22, introducing hexamethyldisilazane at the temperature of 200 and 350 ℃ into the preactivated nano silicon dioxide for reaction;
and S23, cooling, cleaning and collecting to obtain the finish paint of the super-hydrophobic material.
Further, the primer preparation method also comprises the following steps: the step S12 further includes adding dimethicone to the melted mixture of fluorocarbon resin and epoxy resin.
Further, in the step S11, the heating temperature is 300 ℃; in the step S12, the stirring speed is 300r/min, and the stirring time is 10 min; in the step S21, the heating temperature is 500 ℃; in step S23, the temperature is decreased to 25 ℃.
Furthermore, the header tank comprises four aluminum plates that all form 10 degrees included angles with the horizontal direction.
Furthermore, a dust screen is arranged at the joint of the water collecting tank and the water drainage pipe.
Furthermore, a vent and a wind shield are arranged on one side wall of the cabinet body, and the wind shield is movably arranged at the vent; one side of the inlet wire pipeline, which is positioned outside the cabinet body, is connected with a waterproof elbow with a downward opening; the support column is a galvanized steel cylinder.
The invention has the beneficial effects that:
1. compared with the traditional method, such as adding a dehumidifier, heating plate dehumidification and other modes, the dehumidification effect is good, other active electrical devices are not introduced in the dehumidification process, and the additional safety and reliability problems are not brought on the basis of no additional power consumption.
2. The water vapor in the switch cabinet can be discharged through the drainage pipeline, so that the influence of the water on the device in the cabinet is reduced, and the service life of the switch cabinet can be effectively prolonged.
3. The super-hydrophobic coating is formed by compounding the primer and the finish, the coating is high in stability, and the surface micro-nano structure is not easy to corrode and damage; even if the switch cabinet exceeds the service life or is in an extremely severe environment condition for a long time, the hydrophobic effect of the anti-condensation type super-hydrophobic material coating on the surface of the cabinet body or the device is weakened, only the finish paint of the super-hydrophobic material needs to be sprayed on the switch cabinet again, and the switch cabinet can be put into operation again after the hydrophobicity and the weather resistance are tested to be qualified.
4. The switch cabinet of this scheme design simple structure, cost are lower, long service life have the effect of preventing the condensation simultaneously, can improve the cubical switchboard security.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a front view of the present invention.
FIG. 3 is a graph of the static contact angle measurement of the superhydrophobic coating prepared in example 2.
In the figure: 1-cabinet body, 2-cabinet door, 3-universal wheel, 4-water collecting tank, 5-drain pipe, 6-dust screen, 7-support frame, 8-wind shield, 9-ventilation opening and 10-inlet pipeline.
Detailed Description
The present invention will be described in further detail with reference to the following examples, but the present invention is not limited to the following examples.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Example 1
As shown in fig. 1 and 2, the anti-condensation switch cabinet comprises a cabinet body 1 and a cabinet door 2 for sealing the cabinet body, wherein the cabinet body 1 and the cabinet door 2 are hinged through a damping hinge. In the present embodiment, the cabinet 1 includes, from top to bottom, an in-out line section, an equipment device section, and a condensation collection device section. The condensation collection device comprises a water collection tank 4, a drain pipe 5 and a support frame 7, wherein the support frame 7 comprises at least two support columns, and the at least two support columns are arranged on the inner wall of the cabinet body 1 at intervals along the horizontal direction; in this embodiment, the supporting frame 7 includes 4 supporting columns, and in other embodiments, the number of the supporting columns may be 2, 3, 5, and the like, which may be determined according to actual situations; the intervals between the 4 support columns are the same, and in other embodiments, the intervals between the support columns may also be different, which may be determined according to practice. Specifically, 4 support columns are fixed on 1 inner wall of the cabinet body, the support frame 7 is used for providing physical bearing effect for equipment in the switch cabinet, and the support columns are arranged at intervals so as not to prevent liquid drops from entering the condensation collection device, so that the equipment part and the condensation collection device part of the switch cabinet are separated through the support frame 7. In this embodiment, the supporting column is a galvanized steel cylinder, the water collecting tank 4 and the drain pipe 5 are arranged below the supporting frame 7, the bottom of the water collecting tank 4 is inclined downwards, the lowest part of the bottom of the water collecting tank 4 is communicated with the upper end of the drain pipe 5, and the lower end of the drain pipe 5 is communicated with the outside of the cabinet 1; the cabinet body 1 is provided with a wire inlet pipeline 10 penetrating through the cabinet wall, the wire inlet pipeline 10 is located above the support frame 7, the wire inlet and outlet part is communicated with each mechanical device and each electrical device in the switch cabinet through the wire inlet pipeline 10, and the wire inlet pipeline 10 can be plugged by adopting an insulating sealing material.
The switch cabinet body is divided into a wire inlet and outlet part, an equipment part and a condensation collection device part, wherein the wire inlet and outlet part is arranged at the top end, and the equipment part is arranged in the middle, so that condensation entering the switch cabinet slides down to enter the condensation collection device part, automatically drops and polymerizes to form a water film, and is discharged through a drainage pipeline; so as to reduce the influence of condensation on equipment in the switch cabinet.
Example 2
The embodiment is an improvement on the basis of embodiment 1, and specifically, super-hydrophobic coatings including a primer and a finish are sprayed on both the cabinet body 1 and the cabinet door 2.
The preparation method of the primer comprises the following steps:
s11, weighing 7kg of fluorocarbon resin, 4kg of epoxy resin, 0.5kg of toluene, 0.5kg of butanone and 8kg of deionized water; mixing fluorocarbon resin and epoxy resin according to the proportion, heating to 300 ℃, and stirring until the fluorocarbon resin and the epoxy resin are completely melted to obtain an initial mixed material;
s12, adding toluene and butanone into the initial mixture obtained in the step S12, adding deionized water, and then placing the mixture into a centrifugal stirrer to stir at a constant speed of 300r/min for 10 minutes to obtain the primer of the super-hydrophobic material.
The preparation method of the finish paint comprises the following steps:
s21, weighing 2kg of nano silicon dioxide, introducing nitrogen into the nano silicon dioxide as protection, and heating to 500 ℃ for preactivation;
s22, introducing 0.5kg of hexamethyldisilazane at the temperature of 200-350 ℃ into the pre-activated nano silicon dioxide for reaction;
s23, cooling to 25 ℃, cleaning and collecting to obtain the finish paint of the super-hydrophobic material.
When the cabinet is used, the cabinet body 1 and the cabinet door 2 are sprayed with the primer for 4 times by using a spray gun, and after the primer is dried in the air, the finish paint is sprayed for 4 times. The thickness of the finished paint film is about 0.2 mm.
According to experimental measurement, the static contact angle of industrial distilled water on the surface of the super-hydrophobic coating is more than 150 degrees, as shown in figure 3; the rolling angle is less than 5 degrees; and the insulating property is strong, and the dielectric strength of a paint film is more than 8V/mum.
After the switch cabinet sprayed with the super-hydrophobic material is influenced by operations such as maintenance and the like, when high-temperature and high-humidity gas in the air forms condensation on the cabinet body or the surfaces of devices in the cabinet, the tiny droplets roll and slide off the top and the cabinet surface of the switch cabinet under the influence of self gravity, and the condition that water drops are stagnated on the surface of the cabinet body to form a continuous water film cannot occur. The water drops roll to collect to the condensation collection device positioned at the lower part of the switch cabinet and are discharged out of the switch cabinet through the drainage pipeline, so that the dry environment inside the switch cabinet is ensured, and the automatic dehumidification function of the switch cabinet is realized.
Example 3
The present example is an improvement on the basis of example 2, specifically, dimethyl polysiloxane is added to the primer on the basis of example 2, and the preparation method of the primer is as follows:
s11, weighing 7kg of fluorocarbon resin, 4kg of epoxy resin, 50g of dimethyl polysiloxane, 0.5kg of toluene, 0.5kg of butanone and 8kg of deionized water;
s12, mixing the fluorocarbon resin and the epoxy resin according to the proportion, heating to 300 ℃, stirring until the fluorocarbon resin and the epoxy resin are completely melted, and adding dimethyl siloxane to obtain an initial mixed material;
s13, adding toluene and butanone into the initial mixture obtained in the step S12, adding deionized water, and placing the mixture into a centrifugal stirrer to stir at a constant speed of 300r/min for 10 minutes to obtain the primer of the super-hydrophobic material.
The preparation method of the finish paint is the same as that of example 2.
The hydrophobic migration of the superhydrophobic coatings prepared in examples 2 and 3 was tested by the method in DL/T864-2004, and the test results are shown in Table 1:
TABLE 1
As can be seen from table 1, the time for the superhydrophobic migration of the superhydrophobic coating prepared in example 3 to occur is 7 days, and the time for the superhydrophobic migration of the superhydrophobic coating prepared in example 2 to occur is more than 15 days at room temperature, so the time for the hydrophobic migration of the superhydrophobic coating prepared in example 3 to occur is significantly shorter than that of example 2, and thus, the superhydrophobic coating with the dimethicone added to the primer has faster hydrophobic migration, which is beneficial to realizing the transfer of hydrophobic substances on the superhydrophobic coating, so that the inner wall surface of the switch cabinet body can still show hydrophobicity under the condition of dust covering and dirt accumulation, thereby enhancing the anti-condensation function of the switch cabinet.
Example 4
The present embodiment is an improvement on embodiment 1, and specifically, as shown in fig. 2, the water collecting tank 4 is composed of four aluminum plates each having an angle of 10 ° with the horizontal direction. The aluminum plate can prevent liquid drop stagnation from influencing the humidity inside the switch cabinet. In other embodiments, the water collecting tank 4 may also be composed of 2, 3, 5, 6 aluminum plates, depending on the actual situation; the included angle between the aluminum plate and the horizontal direction can be 15 degrees, 20 degrees and the like, which is determined according to the actual situation.
In this embodiment, a dust screen 6 is further disposed at the joint of the water collecting tank 4 and the water discharging pipe 5; be used for avoiding the inside dust of cubical switchboard to pile up in water catch bowl 4 bottoms to lead to collection system to block up, finally influence the interior liquid discharge of cabinet.
Example 5
The present embodiment is an improvement on the basis of embodiment 1, specifically, as shown in fig. 1 and 2, a vent 9 and a wind deflector 8 are arranged on one side wall of the cabinet body 1, the wind deflector 8 is movably arranged outside the vent 9 for blocking the vent 9, and specifically, the wind deflector 8 may be hinged to the vent 9. Set up vent 9 and can let the small liquid drop that the condensation formed in the cubical switchboard roll under the disturbance and gather together to the condensation collection system discharge cubical switchboard to realize the inside automatic dehumidification of cubical switchboard. In order to ensure the ventilation effect, a clear space of more than 10cm is reserved between the internal device part of the cabinet body and the wall of the cabinet, and no foreign object is blocked.
Example 6
The embodiment is an improvement on the basis of embodiment 1, and specifically, a waterproof elbow with a downward opening is connected to one side of the incoming line pipeline 10, which is located outside the cabinet body 1; prevent that the inside of cubical switchboard is got into to the rivers that the rainy weather humid gas formed.
In this embodiment, cubical switchboard inlet wire part leaves sufficient ventilation space with the equipment part to strengthen the inside air intercommunication of cubical switchboard, so that the tiny water droplet just can obtain sufficient kinetic energy and roll to condensation collection system department under tiny disturbance when forming.
In this embodiment, the bottom of the cabinet body 1 is provided with 4 universal wheels 3; the switch cabinet is convenient to move or carry.
The above are merely characteristic embodiments of the present invention, and do not limit the scope of the present invention in any way. All technical solutions formed by equivalent exchanges or equivalent substitutions fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a prevent condensation cubical switchboard, includes cabinet body (1), cabinet door (2) of the closed cabinet body, its characterized in that: a water collecting tank (4), a water discharging pipe (5) and a supporting frame (7) are arranged in the cabinet body (1), the supporting frame (7) comprises at least two supporting columns, and the at least two supporting columns are arranged on the inner wall of the cabinet body (1) at intervals along the horizontal direction; the water collecting tank (4) and the drain pipe (5) are arranged below the supporting frame (7), the bottom of the water collecting tank (4) is arranged in a downward inclined mode and is communicated with the upper end of the drain pipe (5), and the lower end of the drain pipe (5) is communicated with the outside of the cabinet body (1); be equipped with inlet wire pipeline (10) on the cabinet body (1), inlet wire pipeline (10) are located the top of support frame (7).
2. The anti-condensation switch cabinet according to claim 1, characterized in that: the cabinet body (1) and the cabinet door (2) are both sprayed with super-hydrophobic coatings; the super-hydrophobic coating comprises a primer and a finish; the primer comprises the following components: the fluorocarbon resin, the epoxy resin, the cosolvent and the deionized water are mixed according to a mass ratio of 7:4:1: 8; the finishing coat is modified silica particles obtained by replacing hydroxyl on the surface of modified nano-silica with hexamethyldisilazane, wherein the mass ratio of the nano-silica to the hexamethyldisilazane is 4: 1.
3. The anti-condensation switch cabinet according to claim 2, characterized in that: the primer also comprises dimethyl polysiloxane, and the mass ratio of the dimethyl polysiloxane to the epoxy resin is 1: 80.
4. The anti-condensation switch cabinet according to claim 2 or 3, characterized in that: the cosolvent is one or two of toluene and butanone.
5. The anti-condensation switch cabinet according to claim 4, characterized in that:
the preparation method of the primer comprises the following steps:
s11, mixing fluorocarbon resin and epoxy resin in proportion, and heating and stirring until the fluorocarbon resin and the epoxy resin are completely melted to obtain an initial mixed material;
s12, adding a cosolvent into the mixed material obtained in the step S1, adding deionized water, and placing the mixture into a centrifugal stirrer to be stirred at a constant speed to obtain a primer of the super-hydrophobic material;
the preparation method of the finish paint comprises the following steps:
s21, introducing nitrogen into the nano silicon dioxide as protection, and heating for preactivation;
s22, introducing hexamethyldisilazane at the temperature of 200 and 350 ℃ into the preactivated nano silicon dioxide for reaction;
and S23, cooling, cleaning and collecting to obtain the finish paint of the super-hydrophobic material.
6. The anti-condensation switch cabinet according to claim 5, characterized in that: the primer preparation method further comprises the following steps: the step S12 further includes adding dimethicone to the melted mixture of fluorocarbon resin and epoxy resin.
7. The anti-condensation switch cabinet according to claim 6, characterized in that: in the step S11, the heating temperature is 300 ℃; in the step S12, the stirring speed is 300r/min, and the stirring time is 10 min; in the step S21, the heating temperature is 500 ℃; in step S23, the temperature is decreased to 25 ℃.
8. The anti-condensation switch cabinet according to claim 1, characterized in that: the water collecting tank (4) is composed of four aluminum plates which form 10-degree included angles with the horizontal direction.
9. The anti-condensation switch cabinet according to claim 1, characterized in that: and a dust screen (6) is also arranged at the joint of the water collecting tank (4) and the drain pipe (5).
10. The anti-condensation switch cabinet according to claim 1, characterized in that: a vent (9) and a wind shield (8) are arranged on one side wall of the cabinet body (1), and the wind shield (8) is movably arranged at the vent (9); one side of the wire inlet pipeline (10) positioned outside the cabinet body (1) is connected with a waterproof elbow with a downward opening; the support column is a galvanized steel cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911069881.1A CN110957644A (en) | 2019-11-05 | 2019-11-05 | Anti-condensation switch cabinet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911069881.1A CN110957644A (en) | 2019-11-05 | 2019-11-05 | Anti-condensation switch cabinet |
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| Publication Number | Publication Date |
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| CN110957644A true CN110957644A (en) | 2020-04-03 |
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| CN201911069881.1A Pending CN110957644A (en) | 2019-11-05 | 2019-11-05 | Anti-condensation switch cabinet |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205610056U (en) * | 2016-05-19 | 2016-09-28 | 国网山东省电力公司平度市供电公司 | Prevent condensation cubical switchboard |
| CN106833371A (en) * | 2017-02-15 | 2017-06-13 | 北京恒通绿建节能科技有限公司 | A kind of anti-condensation coating and surface have radiation tail end, radiator and the air-conditioning system of the anti-condensation coating |
| CN208580985U (en) * | 2018-08-07 | 2019-03-05 | 青岛海洋电气设备检测有限公司 | A kind of outdoor electricity distribution net switchgear instrument box condensation-preventing device |
| CN109861082A (en) * | 2019-04-24 | 2019-06-07 | 苏州华源电气有限公司 | A kind of Moisture-proof switch cabinet |
| CN208986439U (en) * | 2018-12-04 | 2019-06-14 | 海变电力设备有限公司 | A kind of good anti-camber open air switching station of moisture resistance |
| CN211238853U (en) * | 2019-11-05 | 2020-08-11 | 国网江西省电力有限公司电力科学研究院 | Novel switch cabinet |
-
2019
- 2019-11-05 CN CN201911069881.1A patent/CN110957644A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205610056U (en) * | 2016-05-19 | 2016-09-28 | 国网山东省电力公司平度市供电公司 | Prevent condensation cubical switchboard |
| CN106833371A (en) * | 2017-02-15 | 2017-06-13 | 北京恒通绿建节能科技有限公司 | A kind of anti-condensation coating and surface have radiation tail end, radiator and the air-conditioning system of the anti-condensation coating |
| CN208580985U (en) * | 2018-08-07 | 2019-03-05 | 青岛海洋电气设备检测有限公司 | A kind of outdoor electricity distribution net switchgear instrument box condensation-preventing device |
| CN208986439U (en) * | 2018-12-04 | 2019-06-14 | 海变电力设备有限公司 | A kind of good anti-camber open air switching station of moisture resistance |
| CN109861082A (en) * | 2019-04-24 | 2019-06-07 | 苏州华源电气有限公司 | A kind of Moisture-proof switch cabinet |
| CN211238853U (en) * | 2019-11-05 | 2020-08-11 | 国网江西省电力有限公司电力科学研究院 | Novel switch cabinet |
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