A kind of electrical control cubicles is by anti-condensation cabinet plate structure
Technical field
The present invention relates to electrical equipment technical field, in particular to the cabinet plate structure of electrical control cubicles.
Background technology
Electrical control cubicles is assembled in closed or semiclosed metal cabinet by electrical wiring requirement by switching device, metrical instrument, protective device and utility appliance or shields on width; it is a kind of prevent some external impact and the shield preventing any direction from directly contacting and provide, touches dangerous in cabinet or accurate electrical part for people or livestock. When making electrical control cubicles, it is desired to the material of electrical control cubicles can bear in machinery, chemistry and thermal stresses and normal operation the humidity effect encountered.
Existing electrical control cubicles because usually running under the environment of high temperature humidity, during particularly returning Nan Tian or plum rain season, the cabinet plate of electrical control cubicles very easily produces solidifying dew and water droplet etc., it is known that, what install in electrical control cubicles is all control panel or device, easily being short-circuited once water met by these electrical equipment, the electrical equipment affecting its control normally runs, and even damages associated electrical appliance equipment.
A kind of electrical control cubicles dehumidification system and electrical control cubicles as disclosed in patent announcement CN203813205U, for ensureing cabinet inner drying environment, avoid producing in cabinet dew condensation phenomenon, it is provided with dehumidification system, this dehumidification system mainly comprises the compressor, induced draft fan and the fan that are arranged in electrical control cubicles main body, the logical air constantly pumped in cabinet carries out compression dehumidifying, and the humidity in electrical control cubicles is remained in constant scope. It is the customary means avoiding cabinet to coagulate dew that electrical control cubicles installs dehumidification system additional, but in the actual use procedure of electrical control cubicles, because dehumidification system component is various, any one parts generation fault of compressor, induced draft fan and fan all can cause dehumidification system cannot normal operation, this to electrical control cubicles dehumidifying and anti-condensation totally unfavorable.
Summary of the invention
It is an object of the invention to for the deficiencies in the prior art, it is provided that a kind of electrical control cubicles by anti-condensation cabinet plate structure, to solve the technical problem that automatically controlled cabinet plate inner surface produces dew condensation phenomenon.
For solving the problem, the present invention provides following technical scheme:
A kind of electrical control cubicles is by anti-condensation cabinet plate structure, comprise plate frame, plate frame side is covered and is covered with interior side skin, another side of plate frame is covered and is covered with outer skin, interior side skin, plate frame and outer skin are enclosed to cover and are formed with accommodating cavity, are sequentially equiped with cavernous body, heat conduction baffle and electric heater unit in covering side laterally by interior side skin side in this accommodating cavity; Interior side skin is close in cavernous body side, between cavernous body another side and heat conduction baffle, there is gap, interior side skin is evenly equipped with some capillary through holes, outer skin is provided with ventilative groove, and heat conduction baffle and electric heater unit are respectively equipped with for by the gas-permeable channels in described gap and described ventilative groove conducting.
Further scheme, heat conduction baffle and electric heater unit are fixedly connected with plate frame by heat insulation liner, the mating shapes of heat insulation liner and described accommodating cavity. The outline of heat insulation liner is consistent with accommodating cavity, heat shield liner is paid somebody's debt and expected repayment later and flexible material can be selected to make, heat insulation liner and accommodating cavity shrink-fit can make it firmly be arranged on plate frame, the side of heat insulation liner and outer skin vicinity is provided with card groove, heat conduction baffle can overall fixed placement in this card groove, electric heater unit is fixedly installed on heat insulation liner simultaneously, heat conduction baffle is folded between heat insulation liner and electric heater unit, adopt this assembly structure, screw can be reduced fix, it is more convenient to assemble, and structure is solid and reliable. Heat insulation liner can avoid electric heater unit directly to contact with plate frame or interior outer skin in addition, plays effect of heat insulation on the one hand, prevents cabinet plate surface temperature too high, plays the effect of safeguard protection on the other hand, prevents cabinet plate surface from getting an electric shock.
Preferably, described accommodating cavity has two, and accommodating cavity described in two is in being symmetrical arranged up and down, and accommodating cavity is determined according to plate frame structure, accommodating cavity can be arranged to multiple, so that partial installation electric heater unit, be conducive to reducing the power of monomer electric heater unit, thus reach the object of energy-conservation province consumption, accordingly, interior side skin is also provided with and the parting bead that described some accommodating cavities mate, this parting bead for installing dividing plate, electrical control cubicles to be separated into some individual cavity; Described electric heater unit is low dc voltage carbon fiber electric heating tube, low dc voltage carbon fiber electric heating tube generally adopts 12V or 24V direct-current drive, safe and reliable, and it has the excellent properties such as long service life, electric conversion efficiency height, far infrared radiation, health environment-friendly, its heating element base material is carbon fiber felt and carbon fiber wire, has that power headroom heat energy power big, high temperature resistant, high is strong, long service life and power can the random advantages such as adjustment. Described heat conduction baffle is the heat conduction baffle that silica gel material is made, and silica gel has good heat conductivility and insulating property, and chemical property is stablized, and can be applicable to the hot and humid running environment of electrical control cubicles for a long time.
Being fixedly connected with mounting blocks on further scheme, described interior side skin and/or described plate frame, this mounting blocks is also provided with the pin-and-hole with bayonet fittings. It is fixing that mounting blocks can make two cabinet plates splice fast, to form complete electrical control cubicles, during splicing, the side being respectively equipped with mounting blocks of two blocks of cabinet plates is connected, make the pin-and-hole of the mounting blocks on two cabinet plates corresponding, again pin is squeezed in the pin-and-hole of two mounting blocks, namely realize the connection of two cabinet plates fast, be conducive to electrical control cubicles fast assembling-disassembling.
Further scheme, the block that outer skin is provided with ventilative groove mates mutually. Block and outer skin are structure as a whole, during making, first joint-cutting in outer skin, then outer skin corresponding for this joint-cutting place is bent laterally, the block in outer skin to lower to outer incline, can play and stop that foreign matter enters the effect in cabinet plate.
Compared with prior art the useful effect of the present invention is:
Anti-condensation cabinet plate structure of the present invention, is enclosed to cover by plate frame, interior side skin and outer skin and forms cabinet plate body construction, arranges anti-condensation device in this cabinet plate body construction, and this anti-condensation device comprises cavernous body, heat conduction baffle and electric heater unit. anti-condensation cabinet plate structure of the present invention, for assembling electrical control cubicles, when the dehumidification system of electrical control cubicles can not effectively dehumidify because of fault, the solidifying dew of cabinet wall inside electrical control cubicles can effectively be avoided by anti-condensation cabinet plate of the present invention, thus ensure electrical control cubicles normal operation, avoid electrical equipment in electrical control cubicles to damage and cause unnecessary loss. the principle of work of anti-condensation cabinet plate structure of the present invention is: when electrical control cubicles humidity is higher, the solidifying dew or the water droplet that produce inside cabinet plate are absorbed by cavernous body by the capillary through holes of interior side skin, electric heater unit add heat effect under, heat conduction baffle heats up, make cavernous body away from the side temperature of interior side skin higher than near interior side skin side, thus the moisture in cavernous body has by the trend moved to the side away from interior side skin near interior side skin side, strengthen the effect that cavernous body absorbs moisture on interior side skin, there is between cavernous body and heat conduction baffle gap in addition, outer skin is provided with ventilative groove, heat conduction baffle and electric heater unit are respectively equipped with for by the gas-permeable channels in described gap and described ventilative groove conducting, this structure can make the damp-heat air in the gap between outer cavernous body and heat conduction baffle discharge through the ventilative groove of gas-permeable channels and outer skin, thus side skin coagulates the probability of dew in reducing further. compared with existing electrical control cubicles cabinet plate structure, anti-condensation cabinet plate structure of the present invention can solve the technical problem that automatically controlled cabinet plate inner surface produces dew condensation phenomenon.
Accompanying drawing explanation
Fig. 1 is the perspective view of the interior side direction of the present invention;
Fig. 2 is the perspective view of the lateral of the present invention;
Fig. 3 is the sectional structure schematic diagram of the present invention;
Fig. 4 is partial enlargement structural representation shown in A in Fig. 3;
Fig. 5 is the decomposition structural representation of the present invention;
Fig. 6 is the structural representation being installed in electrical control cubicles of the present invention.
Description of reference numerals: 1. plate frame; 2. side skin in; 3. outer skin; 4. accommodating cavity; 5. cavernous body; 6. heat conduction baffle; 7. electric heater unit; 8. gap; 9. capillary through holes; 10. ventilative groove; 11. gas-permeable channels; 12. heat insulation liners; 13. blocks; 14. mounting blocks; 15. pin-and-holes; 16. pins.
Embodiment
Below in conjunction with Figure of description and embodiment, the specific embodiment of the present invention is described in further detail:
See shown in Fig. 1 to Fig. 6, a kind of electrical control cubicles is by anti-condensation cabinet plate structure, comprise plate frame 1, plate frame 1 side is covered and is covered with interior side skin 2, another side of plate frame 1 is covered and is covered with outer skin 3, interior side skin 2, plate frame 1 and outer skin 3 are enclosed to cover and are formed with accommodating cavity 4, are sequentially equiped with cavernous body 5, heat conduction baffle 6 and electric heater unit 7 in covering 3 side laterally by interior side skin 2 side in this accommodating cavity 4; Interior side skin 2 is close in cavernous body 5 side, between another side of cavernous body 5 and heat conduction baffle 6, there is gap 8, interior side skin 2 is evenly equipped with some capillary through holes 9, outer skin 3 is provided with ventilative groove 10, and heat conduction baffle 6 and electric heater unit 7 are respectively equipped with for by the gas-permeable channels 11 in described gap 8 with the conducting of described ventilative groove 10.
The anti-condensation cabinet plate structure of the present embodiment, is enclosed to cover by plate frame 1, interior side skin 2 and outer skin 3 and forms cabinet plate body construction, arranges anti-condensation device in this cabinet plate body construction, and this anti-condensation device comprises cavernous body 5, heat conduction baffle 6 and electric heater unit 7.
The anti-condensation cabinet plate structure of the present embodiment, for assembling electrical control cubicles, when the dehumidification system of electrical control cubicles can not effectively dehumidify because of fault, the solidifying dew of cabinet wall inside electrical control cubicles can effectively be avoided by the anti-condensation cabinet plate of the present embodiment, thus ensure electrical control cubicles normal operation, avoid electrical equipment in electrical control cubicles to damage and cause unnecessary loss.
The principle of work of the anti-condensation cabinet plate structure of the present embodiment is: when electrical control cubicles humidity is higher, the solidifying dew or the water droplet that produce inside cabinet plate are absorbed by cavernous body 5 by the capillary through holes 9 of interior side skin 2, electric heater unit 7 add heat effect under, heat conduction baffle 6 heats up, make cavernous body 5 away from the side temperature of interior side skin 2 higher than near interior side skin 2 side, thus the moisture in cavernous body 5 has by the trend moved to the side away from interior side skin 2 near interior side skin 2 side, strengthen the effect that cavernous body 5 absorbs moisture on interior side skin 2, there is between cavernous body 5 and heat conduction baffle 6 gap 8 in addition, outer skin 3 is provided with ventilative groove 10, heat conduction baffle 6 and electric heater unit 7 are respectively equipped with for by the gas-permeable channels 11 in described gap 8 with the conducting of described ventilative groove 10, this structure can make the damp-heat air in the gap 8 between outer cavernous body 5 and heat conduction baffle 6 discharge through the ventilative groove 10 of gas-permeable channels 11 and outer skin 3, thus the solidifying probability revealed of side skin 2 in reducing further. compared with existing electrical control cubicles cabinet plate structure, the anti-condensation cabinet plate structure of the present embodiment can solve the technical problem that automatically controlled cabinet plate inner surface produces dew condensation phenomenon.
Further, heat conduction baffle 6 is fixedly connected with plate frame 1 by heat insulation liner 12 with electric heater unit 7, the mating shapes of heat insulation liner 12 and described accommodating cavity 4. The outline of heat insulation liner 12 is consistent with accommodating cavity 4, heat insulation liner 12 also can select flexible material to make, heat insulation liner 12 can make it firmly be arranged on plate frame 1 with accommodating cavity 4 shrink-fit, heat insulation liner 12 is provided with card groove with the side of outer skin 3 vicinity, heat conduction baffle 6 can overall fixed placement in this card groove, electric heater unit 7 is fixedly installed on heat insulation liner 12 simultaneously, heat conduction baffle 6 is folded between heat insulation liner 12 and electric heater unit 7, adopt this assembly structure, screw can be reduced fix, it is more convenient to assemble, and structure is solid and reliable. Heat insulation liner 12 can avoid electric heater unit 7 directly to contact with plate frame 1 or interior outer skin 3 in addition, plays effect of heat insulation on the one hand, prevents cabinet plate surface temperature too high, plays the effect of safeguard protection on the other hand, prevents cabinet plate surface from getting an electric shock.
In the present embodiment, described accommodating cavity 4 has two, and described in two, accommodating cavity 4 is in being symmetrical arranged up and down, and accommodating cavity 4 is determined according to plate frame 1 structure, accommodating cavity 4 can be arranged to multiple, so that partial installation electric heater unit 7, be conducive to reducing the power of monomer electric heater unit 7, thus reach the object of energy-conservation province consumption, accordingly, interior side skin 2 is also provided with and the parting bead that described some accommodating cavities 4 mate, this parting bead for installing dividing plate, electrical control cubicles to be separated into some individual cavity; Described electric heater unit 7 is low dc voltage carbon fiber electric heating tube, low dc voltage carbon fiber electric heating tube generally adopts 12V or 24V direct-current drive, safe and reliable, and it has the excellent properties such as long service life, electric conversion efficiency height, far infrared radiation, health environment-friendly, its heating element base material is carbon fiber felt and carbon fiber wire, has that power headroom heat energy power big, high temperature resistant, high is strong, long service life and power can the random advantages such as adjustment. The heat conduction baffle 6 that described heat conduction baffle 6 is made for silica gel material, silica gel has good heat conductivility and insulating property, and chemical property is stablized, and can be applicable to the hot and humid running environment of electrical control cubicles for a long time.
Further, described interior side skin 2 and/or described plate frame 1 being fixedly connected with mounting blocks 14, this mounting blocks 14 is also provided with the pin-and-hole 15 coordinated with pin 16. It is fixing that mounting blocks 14 can make two cabinet plates splice fast, to form complete electrical control cubicles, during splicing, the side being respectively equipped with mounting blocks 14 of two blocks of cabinet plates is connected, make the pin-and-hole 15 of the mounting blocks 14 on two cabinet plates corresponding, again pin 16 is squeezed in the pin-and-hole 15 of two mounting blocks 14, namely realize the connection of two cabinet plates fast, be conducive to electrical control cubicles fast assembling-disassembling.
Further, the block 13 that outer skin 3 is provided with ventilative groove 10 phase is mated. Block 13 and outer skin 3 are structure as a whole, during making, first joint-cutting in outer skin 3, then outer skin 3 corresponding for this joint-cutting place is bent laterally, block 13 in outer skin 3 to lower to outer incline, can play stop foreign matter enter the effect in cabinet plate.
The above, it it is only the better embodiment of the present invention, not the technical scope of the present invention is made any restriction, therefore every any trickle amendment, equivalent variations and modification above embodiment done according to the technical spirit of the present invention, all still belong in the scope of technical scheme of the present invention.