CN107634455B - Electric power cabinet - Google Patents
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- CN107634455B CN107634455B CN201710890178.1A CN201710890178A CN107634455B CN 107634455 B CN107634455 B CN 107634455B CN 201710890178 A CN201710890178 A CN 201710890178A CN 107634455 B CN107634455 B CN 107634455B
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Abstract
The invention discloses a novel electric power cabinet, which relates to the technical field of electric power equipment and comprises a cabinet body, wherein the top of the cabinet body is connected with a top cover through a supporting rod, the top of the cabinet body is provided with an exhaust fan, the side wall of the cabinet body is provided with an inward inclined vent hole, the position of the side wall of the cabinet body, which corresponds to the vent hole, is provided with an exhaust channel, the exhaust channel is provided with a plurality of micropores, and the top end of the exhaust channel is communicated with the exhaust fan; the cabinet body bottom bilateral symmetry sets up two bases and four gyro wheels, and the base longitudinal section is L type structure, and the base lateral wall passes through bolt and cabinet body lateral wall threaded connection, and the bolt middle part sets up the spring, and the base lateral wall sets up with cabinet body lateral wall and holds the cavity one of spring sets up on the base bottom and holds the cavity two of gyro wheel. This electric power cabinet simple structure, dustproof radiating effect is good, and removes the convenience, stable in structure, removes the convenience, long service life. And the heat-conducting insulating coating is sprayed outside the cabinet body, so that the heat-conducting performance and the insulating performance are excellent, the mechanical performance is good, and the service life is long.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to a power cabinet.
Background
The electric power cabinet is the most commonly used electric power basic equipment of electric power system for loading articles such as instruments, electronics, communication, cables, etc., and the electric power cabinet is generally metal casing, and dampproofing, dust proof and heat dissipation function are relatively poor, and the electric power cabinet wets or dispels the heat poor can have the potential safety hazard, and the interior too much dust of electric power cabinet also takes place the incident easily.
Chinese patent publication No. CN206195207U discloses an electric power cabinet with dehumidification heat dissipation function, including dehumidification section of thick bamboo, louvre and electric power cabinet body, electric power cabinet body internally mounted has cowl and division board, and this internal setting of electric power cabinet above the cowl is equipment fixing room a, and this internal setting of electric power cabinet between cowl and the division board is equipment fixing room b, and this internal setting of electric power cabinet below is the air inlet dehumidification room, and the cowl surface is equipped with a plurality of through-holes, the air inlet dehumidification is indoor to be installed the fan, and the air inlet dehumidification of the fan outside is indoor to install the rectangle deep bead, runs through the card on the rectangle deep bead and is equipped with the dehumidification section of thick bamboo, a plurality of louvres have been seted up on the electric power cabinet body in equipment fixing room a and the equipment fixing room b outside, an electric power cabinet with dehumidification heat dissipation function hides wind and rain effectual, and the categorised installation of the equipment of being convenient for is placed, has improved the utilization ratio of electric power cabinet body inner space, and dehumidifies effectually, has improved the heat dissipation performance of electric power cabinet body. But this utility model discloses an adopt ventilating board and division board to fall into different workspace with electric power cabinet, probably influence the installation of electric power cabinet main equipment on the one hand, another makes things convenient for the equipment fixing of electric power cabinet in the top of division board, and still sets up air inlet plate and ventilation hole on the division board for the bearing capacity of division board reduces, thereby reduces the utility model discloses a life.
Chinese patent publication No. CN206195172U discloses an electric power cabinet dehydrating unit case, including the electric power cabinet body, the upper end of heat transfer case is equipped with out the tuber pipe, the one end that the heat transfer case was kept away from to the play tuber pipe is connected with the cooling tube, the cooling tube is located the electric power cabinet is internal, the lower extreme of heat transfer case is equipped with the air-supply line, the one end that the heat transfer case was kept away from to the air-supply line is connected on the output of air exhauster, the input and the internal chamber of electric power cabinet of air exhauster communicate with each other, the bottom at the electric power cabinet body is installed to the air exhauster, one side that the electric power cabinet body was kept away from to the heat transfer case is equipped with the heating cabinet, be equipped with electric heating wire in the heating cabinet, one side that the heat transfer case was kept away from to the heating cabinet is equipped with the heat preservation. This electric power cabinet dehydrating unit case can high efficiency detach the internal moisture of electric power cabinet, prevents that electrical insulation intensity from reducing, and the internal electric metal component of protection electric power cabinet is not corroded, has prolonged electricity
The service life of the gas element. The utility model discloses a set up the electric heat box on the electric power cabinet, be provided with the heater strip in the electric heat box, because installation electrical equipment in the electric power cabinet uses the heater strip to have the potential safety hazard.
Disclosure of Invention
In view of the above, the present invention provides an electric power cabinet, which is simple in structure, good in dustproof and heat dissipation effects, convenient to move, stable in structure, and convenient to move, and has the advantages of excellent heat conductivity and insulation performance, good mechanical performance, and long service life by spraying heat-conducting and insulation paint on the outside of the cabinet body.
In order to achieve the purpose, the invention adopts the following technical scheme:
an electric power cabinet comprises a cabinet body, wherein the top of the cabinet body is connected with a top cover through a supporting rod, an exhaust fan is arranged at the top of the cabinet body, the side wall of the cabinet body is provided with an inward-inclined ventilation hole, an exhaust channel is arranged at the position, corresponding to the ventilation hole, of the side wall of the cabinet body, a plurality of micropores are formed in the exhaust channel, and the top end of the exhaust channel is communicated with the exhaust fan;
the improved cabinet is characterized in that two bases and four idler wheels are symmetrically arranged on two sides of the bottom of the cabinet body, the longitudinal sections of the bases are of L-shaped structures, the side walls of the bases are in threaded connection with the side walls of the cabinet body through bolts, springs are sleeved in the middle of the bolts, first cavities for containing the springs are formed in the side walls of the bases and the side walls of the cabinet body, and second cavities for containing the idler wheels are formed in the bottom of the bases.
Furthermore, a first filter cover is arranged on the inner wall of the cabinet body corresponding to the ventilation hole.
Furthermore, a dust accumulation groove is arranged at the bottom of the filter cover, and a drainage tube is arranged at the bottom of the dust accumulation groove.
Furthermore, a second filter cover is arranged at the top of the exhaust fan.
Furthermore, the bottom of the cabinet body is provided with a guide rail, and a groove matched with the guide rail is formed in the base.
Furthermore, the outer wall of the cabinet body is provided with a waterproof cover at a position corresponding to the ventilation hole.
Further, the outer surface of the cabinet body is sprayed with a heat-conducting insulating paint which is prepared from the following raw materials in parts by weight: 35-45 parts of acrylic emulsion, 15-25 parts of epoxy resin, 5-8 parts of nano magnesium oxide, 5-8 parts of silicon nitride, 5-8 parts of rosin powder, 12-18 parts of nitrile rubber powder, 2-5 parts of polyethylene glycol octyl phenyl ether, 2-6 parts of sodium lignosulfonate, 12-20 parts of solvent, 6-12 parts of water and 1-3 parts of dispersant.
Further, the solvent is ethylene glycol and xylene according to a weight ratio of 1:1-4, and mixing.
Further, the preparation method of the heat-conducting insulating paint comprises the following steps: dispersing acrylic emulsion, epoxy resin, solvent, polyethylene glycol octyl phenyl ether, water, sodium lignin sulfonate and dispersant at low speed for 20-30min, adding nano magnesium oxide, silicon nitride, rosin powder and nitrile rubber powder, and mixing uniformly to obtain the product.
The invention has the beneficial effects that:
1. the invention discloses an electric power cabinet, which comprises a cabinet body, wherein the side wall of the cabinet body is provided with an inward-inclined vent hole so as to adjust the air inlet direction; the inner wall of the cabinet body is provided with a first filter cover corresponding to the ventilation hole, the bottom of the first filter cover is provided with a dust collecting groove, the bottom of the dust collecting groove is provided with a drainage tube, and the drainage tube penetrates through the side wall of the cabinet body and extends out of the cabinet body, so that the first filter cover filters dust, and the dust can settle into the dust collecting groove, and the cabinet body is led out through the drainage tube, and the cabinet is cleaner and more sanitary.
2. The inside passageway of airing exhaust that sets up of lateral wall of the one side relative with the ventilation hole on the cabinet body, the passageway of airing exhaust is the cuboid structure, the width is unanimous with cabinet internal wall width, set up a plurality of micropores on the one side that corresponds with the ventilation hole on the passageway of airing exhaust, pipeline intercommunication air exhauster is passed through on the passageway top of airing exhaust, the internal air of cabinet can get into the passageway of airing exhaust through the ventilation hole micropore on the passageway of airing exhaust, take the cabinet body out through the air exhauster, reach air cycle's purpose, the radiating effect is relatively good.
3. Two bases and four rollers are symmetrically arranged on two sides of the bottom of the cabinet body, the longitudinal sections of the bases are of an L-shaped structure, the side walls of the bases are in threaded connection with the side walls of the cabinet body through bolts, springs are arranged in the middle of the bolts, first cavities for containing the springs are arranged in the side walls of the bases and the side walls of the cabinet body, second cavities for containing the rollers are arranged on the bottom of the bases, guide rails are arranged at the bottom of the cabinet body, and grooves matched with the guide rails are formed in the inner surfaces of the bases; the rollers are arranged for conveniently moving the electric cabinet, but when the electric cabinet does not need to be moved, the rollers can affect the stability of the electric cabinet, so that the two bases are fixed on the cabinet body through the bolts, the springs are pressed at the moment, and the bottoms of the bases are flush with the bottoms of the rollers, so that the stability of the electric cabinet can be ensured. When needs removed the electric power cabinet, unscrew the bolt, the spring extension, the base removes to the direction of keeping away from the cabinet body under the effect of spring, and the base can keep rectilinear movement under the guide rail guide effect, then takes the base away from cabinet body bottom, can use the gyro wheel to remove the cabinet body, stable in structure, practical convenient.
4. The top of the exhaust fan is provided with a second filter cover for filtering dust; set up the buckler on the 1 outer wall of the cabinet body that corresponds with the ventilation hole in addition for prevent that the rainwater from getting into the cabinet body, it is safer.
5. The heat-conducting insulating coating is sprayed outside the cabinet body, wherein the heat-conducting insulating coating is prepared by mixing acrylic emulsion and epoxy resin as a base material, and the acrylic emulsion and the epoxy resin are good in chemical stability after being crosslinked, waterproof, anticorrosive and excellent in insulating property.
The solvent adopted by the invention is a mixture of ethylene glycol and xylene, nano magnesium oxide and silicon nitride in the resin are uniformly dispersed in the resin under the action of the polyethylene glycol octyl phenyl ether and the solvent to form dense accumulation, the mutual contact probability is increased, and a heat conduction network chain is formed in the matrix, so that the heat conductivity of the material is greatly improved.
The nitrile rubber powder and the sodium lignosulfonate are compounded for use, so that the mechanical property of the coating and the adhesive force of the coating and a matrix are enhanced.
Drawings
FIG. 1 is a schematic structural view of example 1 of the present invention;
FIG. 2 is an enlarged view of reference character A in FIG. 1;
FIG. 3 is a schematic bottom view of the structure of FIG. 1 according to the present invention;
fig. 4 is a schematic structural diagram of embodiment 2 of the present invention.
In the figure: 1-cabinet body, 2-supporting rod, 3-top cover, 4-exhaust fan, 5-vent hole, 6-first filter cover, 7-dust collecting groove, 8-drainage tube, 9-air exhaust channel, 10-micropore, 11-base, 12-roller, 13-waterproof cover, 14-bolt, 15-spring, 16-first cavity, 17-second cavity, 18-second filter cover, 19-guide rail and 20-groove.
Detailed Description
The invention is further described below with reference to the figures and examples.
Example 1
As shown in fig. 1, 2 and 3, an electric power cabinet comprises a cabinet body 1, wherein the top of the cabinet body 1 is connected with a top cover 3 through a support rod 2, and the top cover mainly has the functions of rain prevention and sun protection; the top of the cabinet body 1 is provided with an accommodating cavity, and an exhaust fan 4 is arranged in the accommodating cavity; the side wall of the cabinet body is provided with an inwardly inclined ventilation hole 5, the inner wall of the cabinet body 1 and the corresponding position of the ventilation hole 5 are provided with a first filter mantle 6, the bottom of the first filter mantle 6 is provided with a dust collecting groove 7, the bottom of the dust collecting groove 7 is provided with a drainage tube 8, the drainage tube 8 penetrates through the side wall of the cabinet body 1 and extends out of the cabinet body, and the filtered dust of the first filter mantle 6 can be settled and enter the dust collecting groove 7, so that the cabinet body is drawn out through the drainage tube 8, and the cabinet body is convenient and practical.
The cabinet body 1 sets up air exhaust channel 9 with the inside lateral wall that ventilation hole 5 corresponds, and air exhaust channel 9 is the cuboid structure, is close to the 1 inner wall of the cabinet body, and the width matches with 1 inner wall width of the cabinet body, and the one side relative with ventilation hole 5 on the air exhaust channel 9 sets up a plurality of micropores 10, and pipeline intercommunication air exhauster 4 is passed through on the 9 top of air exhaust channel, takes the wind in the cabinet body 1 out of the cabinet body 1 through air exhauster 4.
Two bases 11 and four rollers 12 are symmetrically arranged on two sides of the bottom of the cabinet body 1, the longitudinal section of each base 11 is of an L-shaped structure, the side wall of each base 11 is in threaded connection with the side wall of the cabinet body 1 through a bolt 14, a spring 15 is arranged in the middle of each bolt 14, a first cavity 16 for accommodating the spring 15 is arranged on the side wall of each base 11 and the side wall of the cabinet body 1, and a second cavity 17 for accommodating the rollers 12 is formed in the bottom of each base 11, namely, a cavity is dug at the position, corresponding to the rollers 12, of the bottom of each base 11, as shown in fig. 2 and 3, a guide rail 19 is arranged at the bottom of the cabinet body 1, and a groove 20 matched with the guide rail 19 is formed in each base 11; the rollers 12 are provided for conveniently moving the electric cabinet, but when the electric cabinet does not need to be moved, the rollers 12 affect the stability of the invention, so that the two bases 11 are fixed on the cabinet body 1 through the bolts 14, the springs 15 are compressed, and the bottoms of the bases 11 are flush with the bottoms of the rollers 12, thereby ensuring the stability of the invention. When the electric power cabinet needs to be moved, the bolt 14 is unscrewed, the spring 15 extends, the base 11 moves towards the direction far away from the cabinet body 1 under the action of the spring 15, the base 11 can keep linear movement under the guide action of the guide rail 19, then the base 11 is taken away from the bottom of the cabinet body 1, the idler wheels 12 can be used for moving the cabinet body, and the electric power cabinet is stable in structure, practical and convenient.
When the invention is used, air entering the cabinet body 1 through the vent holes 5 enters the air exhaust channel through the micropores 10 on the air exhaust channel 9 along the arrow direction in the figure 1, and is drawn out of the cabinet body 1 through the exhaust fan 4, so that the aim of air circulation is achieved, the heat dissipation effect is good, dust in the air is filtered through the filter cover I6, the dust on the filter cover I6 can settle into the dust collecting groove 7, and the dust is discharged out of the cabinet body 1 through the drainage tube 8. Two bases 11 pass through bolt 14 to be installed on the cabinet body 1, ensure that the cabinet body 1 is stable, when the cabinet body 1 is removed to needs, unscrew bolt 11, base 11 removes to the direction of keeping away from the cabinet body 1 under the effect of spring 15, then takes off two bases 11 from the cabinet body 1, can adopt gyro wheel 12 to remove the cabinet body 1, laborsaving timesaving.
The cabinet body 1 is characterized in that the outer surface of the cabinet body is sprayed with heat-conducting insulating paint which is prepared from the following raw materials in parts by weight: 40 parts of acrylic emulsion, 22 parts of epoxy resin, 8 parts of nano magnesium oxide, 5 parts of silicon nitride, 8 parts of rosin powder, 16 parts of nitrile rubber powder, 2 parts of polyethylene glycol octyl phenyl ether, 5 parts of sodium lignosulfonate, 15 parts of solvent, 9 parts of water and 1.5 parts of organic silicon dispersant.
The solvent is ethylene glycol and dimethylbenzene according to the weight ratio of 1:4, and mixing.
The preparation method of the heat-conducting insulating paint comprises the following steps: dispersing acrylic emulsion, epoxy resin, solvent, polyethylene glycol octyl phenyl ether, water, sodium lignin sulfonate and dispersant at a low speed of 800r/min for 20min, adding nano magnesium oxide, silicon nitride, rosin powder and nitrile butadiene rubber powder, and uniformly mixing to obtain the product.
Example 2
Example 2 is essentially the same as example 1, except that: as shown in fig. 4, a second filter cover 18 is arranged at the top of the exhaust fan 4 for filtering dust; in addition, the waterproof cover 13 is arranged on the outer wall of the cabinet body 1 corresponding to the ventilation hole 5, so that rainwater is prevented from entering the cabinet body, and the safety is improved.
The heat-conducting insulating paint is sprayed on the outer surface of the cabinet body 1 and is prepared from the following raw materials in parts by weight: 35 parts of acrylic emulsion, 15 parts of epoxy resin, 5 parts of nano magnesium oxide, 8 parts of silicon nitride, 5 parts of rosin powder, 12 parts of nitrile rubber powder, 5 parts of polyethylene glycol octyl phenyl ether, 2 parts of sodium lignosulfonate, 20 parts of solvent, 6 parts of water and 3 parts of organic silicon dispersant.
The solvent is ethylene glycol and dimethylbenzene according to the weight ratio of 1:1 by mixing.
The preparation method of the heat-conducting insulating paint comprises the following steps: dispersing acrylic emulsion, epoxy resin, solvent, polyethylene glycol octyl phenyl ether, water, sodium lignin sulfonate and dispersant at a low speed of 800r/min for 20min, adding nano magnesium oxide, silicon nitride, rosin powder and nitrile rubber powder, and uniformly mixing to obtain the product.
Example 3
Example 3 is structurally the same as example 1, except that:
wherein, the outer surface of the cabinet body 1 is sprayed with heat-conducting insulating paint which is prepared by the following raw materials in parts by weight: 36 parts of acrylic emulsion, 16 parts of epoxy resin, 6 parts of nano magnesium oxide, 7 parts of silicon nitride, 6 parts of rosin powder, 14 parts of nitrile rubber powder, 4 parts of polyethylene glycol octyl phenyl ether, 3 parts of sodium lignosulfonate, 18 parts of solvent, 7 parts of water and 2.5 parts of organic silicon dispersant.
Wherein the solvent is ethylene glycol and dimethylbenzene according to the weight ratio of 1:2, mixing the components.
The preparation method of the heat-conducting insulating paint comprises the following steps: dispersing acrylic emulsion, epoxy resin, solvent, polyethylene glycol octyl phenyl ether, water, sodium lignin sulfonate and dispersant at a low speed of 800r/min for 25min, adding nano magnesium oxide, silicon nitride, rosin powder and nitrile rubber powder, and uniformly mixing to obtain the product.
Example 4
Example 4 has the same structure as example 1, except that:
the cabinet body 1 is characterized in that the outer surface of the cabinet body is sprayed with heat-conducting insulating paint which is prepared from the following raw materials in parts by weight: 38 parts of acrylic emulsion, 20 parts of epoxy resin, 7 parts of nano magnesium oxide, 6 parts of silicon nitride, 7 parts of rosin powder, 15 parts of nitrile rubber powder, 3 parts of polyethylene glycol octyl phenyl ether, 4 parts of sodium lignosulfonate, 16 parts of solvent, 8 parts of water and 2 parts of organic silicon dispersant.
Wherein the solvent is ethylene glycol and dimethylbenzene according to the weight ratio of 1:3, and mixing.
The preparation method of the heat-conducting insulating paint comprises the following steps: dispersing acrylic emulsion, epoxy resin, solvent, polyethylene glycol octyl phenyl ether, water, sodium lignin sulfonate and dispersant at a low speed of 800r/min for 30min, adding nano magnesium oxide, silicon nitride, rosin powder and nitrile rubber powder, and uniformly mixing to obtain the product.
Example 5
Example 5 is structurally the same as example 1, except that:
the heat-conducting insulating paint is sprayed on the outer surface of the cabinet body 1 and is prepared from the following raw materials in parts by weight: 42 parts of acrylic emulsion, 24 parts of epoxy resin, 5 parts of nano magnesium oxide, 8 parts of silicon nitride, 5 parts of rosin powder, 17 parts of nitrile rubber powder, 4 parts of polyethylene glycol octyl phenyl ether, 6 parts of sodium lignosulfonate, 14 parts of solvent, 10 parts of water and 1 part of organic silicon dispersant.
Wherein the solvent is ethylene glycol and dimethylbenzene according to the weight ratio of 1:2, mixing the components.
The preparation method of the heat-conducting insulating paint comprises the following steps: dispersing acrylic emulsion, epoxy resin, solvent, polyethylene glycol octyl phenyl ether, water, sodium lignin sulfonate and dispersant at a low speed of 800r/min for 25min, adding nano magnesium oxide, silicon nitride, rosin powder and nitrile rubber powder, and uniformly mixing to obtain the product.
Example 6
Example 6 is the same in structure as example 1, except that:
the cabinet body 1 is characterized in that the outer surface of the cabinet body is sprayed with heat-conducting insulating paint which is prepared from the following raw materials in parts by weight: 45 parts of acrylic emulsion, 25 parts of epoxy resin, 6 parts of nano magnesium oxide, 7 parts of silicon nitride, 6 parts of rosin powder, 18 parts of nitrile rubber powder, 3 parts of polyethylene glycol octyl phenyl ether, 2 parts of sodium lignosulfonate, 12 parts of solvent, 12 parts of water and 2 parts of organic silicon dispersant.
Wherein the solvent is ethylene glycol and dimethylbenzene according to the weight ratio of 1:3, mixing the components.
The preparation method of the heat-conducting insulating paint comprises the following steps: dispersing acrylic emulsion, epoxy resin, solvent, polyethylene glycol octyl phenyl ether, water, sodium lignin sulfonate and dispersant at a low speed of 800r/min for 30min, adding nano magnesium oxide, silicon nitride, rosin powder and nitrile rubber powder, and uniformly mixing to obtain the product.
Comparative example 1
Comparative example 1 is substantially the same as example 6 except that: removing the nano magnesium oxide in the raw materials, which comprises the following steps:
the cabinet body 1 is characterized in that the outer surface of the cabinet body is sprayed with heat-conducting insulating paint which is prepared from the following raw materials in parts by weight: 45 parts of acrylic emulsion, 25 parts of epoxy resin, 7 parts of silicon nitride, 6 parts of rosin powder, 18 parts of nitrile rubber powder, 3 parts of polyethylene glycol octyl phenyl ether, 2 parts of sodium lignosulfonate, 12 parts of solvent, 12 parts of water and 2 parts of organic silicon dispersant.
The rest of the process is the same as the example.
Comparative example 2
Comparative example 1 is substantially the same as example 6 except that: removing the polyethylene glycol octyl phenyl ether in the raw materials, which comprises the following specific steps:
the cabinet body 1 is characterized in that the outer surface of the cabinet body is sprayed with heat-conducting insulating paint which is prepared from the following raw materials in parts by weight: 45 parts of acrylic emulsion, 25 parts of epoxy resin, 6 parts of nano magnesium oxide, 7 parts of silicon nitride, 6 parts of rosin powder, 18 parts of nitrile rubber powder, 2 parts of sodium lignosulfonate, 12 parts of solvent, 12 parts of water and 2 parts of organic silicon dispersant.
The products prepared in examples 1 to 6 were coated on stainless steel sheets with a thickness of 0.2mm, and the thermal conductivity, volume resistivity and tensile strength of the coatings were tested with reference to ASTM D5470, wherein the volume resistivity was tested with reference to GB/T1410-2006, and the test results are shown in Table 1.
TABLE 1 Performance test data
As can be seen from the table, the tensile strength of the products prepared in the embodiments 1 to 6 is 9.5 to 11.6MPa, the thermal conductivity is 4.12 to 5.91W/(m.k), the insulating property is excellent, and the adhesion with the matrix is good.
Comparative example 1 is that nano magnesia is removed on the basis of example 6, and the thermal conductivity coefficient is greatly reduced compared with that of example 6, which shows that nano magnesia and silicon nitride can synergistically enhance the heat radiation performance of the coating. In the comparative example 2, the polyethylene glycol octyl phenyl ether is removed on the basis of the example 6, and the test result of the product in the comparative example 2 is poorer than that in the example 6, which shows that the polyethylene glycol octyl phenyl ether can ensure that the heat-conducting filler and the base material have good compatibility and are uniformly dispersed, and the prepared product is comprehensive and excellent.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (8)
1. An electric power cabinet which characterized in that: the novel cabinet is characterized by comprising a cabinet body (1), wherein the top of the cabinet body (1) is connected with a top cover (3) through a support rod (2), an exhaust fan (4) is arranged at the top of the cabinet body (1), the side wall of the cabinet body is provided with an inward inclined vent hole (5), an exhaust channel (9) is arranged at the position, corresponding to the vent hole (5), of the side wall of the cabinet body (1), a plurality of micropores (10) are arranged on the exhaust channel (9), and the top end of the exhaust channel (9) is communicated with the exhaust fan (4);
two bases (11) and four rollers (12) are symmetrically arranged on two sides of the bottom of the cabinet body (1), the longitudinal section of each base (11) is of an L-shaped structure, the side wall of each base (11) is in threaded connection with the side wall of the cabinet body (1) through a bolt (14), a spring (15) is sleeved in the middle of each bolt (14), a first cavity (16) for accommodating the spring (15) is formed in the side wall of each base (11) and the side wall of the cabinet body (1), and a second cavity (17) for accommodating the rollers (12) is formed in the bottom of each base (11);
the heat-conducting insulating paint is sprayed on the outer surface of the cabinet body (1), and is prepared from the following raw materials in parts by weight: 35-45 parts of acrylic emulsion, 15-25 parts of epoxy resin, 5-8 parts of nano magnesium oxide, 5-8 parts of silicon nitride, 5-8 parts of rosin powder, 12-18 parts of nitrile rubber powder, 2-5 parts of polyethylene glycol octyl phenyl ether, 2-6 parts of sodium lignosulfonate, 12-20 parts of solvent, 6-12 parts of water and 1-3 parts of dispersant.
2. An electric power cabinet according to claim 1, characterized in that: the inner wall of the cabinet body (1) is provided with a first filter cover (6) at a position corresponding to the ventilation hole (5).
3. An electric power cabinet according to claim 1, characterized in that: the bottom of the first filter cover (6) is provided with a dust collecting groove (7), and the bottom of the dust collecting groove (7) is provided with a drainage tube (8).
4. An electric power cabinet according to claim 1, characterized in that: and a second filter cover (18) is arranged at the top of the exhaust fan (4).
5. An electric power cabinet according to claim 1, characterized in that: the cabinet body (1) bottom sets up guide rail (19), set up on base (11) with guide rail (19) assorted recess (20).
6. An electric power cabinet according to claim 1, characterized in that: the outer wall of the cabinet body (1) is provided with a waterproof cover (13) at a position corresponding to the ventilation hole (5).
7. An electric power cabinet according to claim 1, characterized in that: the solvent is ethylene glycol and dimethylbenzene according to a weight ratio of 1:1-4, and mixing.
8. An electric power cabinet according to claim 1, characterized in that: the preparation method of the heat-conducting insulating paint comprises the following steps: dispersing acrylic emulsion, epoxy resin, solvent, polyethylene glycol octyl phenyl ether, water, sodium lignin sulfonate and dispersant at low speed for 20-30min, adding nano magnesium oxide, silicon nitride, rosin powder and nitrile rubber powder, and mixing uniformly to obtain the product.
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| CN201710890178.1A CN107634455B (en) | 2017-09-27 | 2017-09-27 | Electric power cabinet |
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| CN201710890178.1A CN107634455B (en) | 2017-09-27 | 2017-09-27 | Electric power cabinet |
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| CN107634455A CN107634455A (en) | 2018-01-26 |
| CN107634455B true CN107634455B (en) | 2022-12-27 |
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| CN110982351A (en) * | 2019-12-18 | 2020-04-10 | 江阴宏江锻造有限公司 | High-wear-resistance antioxidant and preparation method thereof |
| CN111440507A (en) * | 2020-04-17 | 2020-07-24 | 童孝俊 | Insulating coating and preparation method thereof, metal substrate and semiconductor device |
| CN111541156A (en) * | 2020-05-09 | 2020-08-14 | 山东省水利勘测设计院 | Active power filtering device for water plant and control method |
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| CN107123934B (en) * | 2017-06-30 | 2022-08-19 | 国网河南省电力公司内乡县供电公司 | Dampproofing power box dispels heat |
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