CN108808492A - A kind of power distribution cabinet with electro-magnetic screen function - Google Patents
A kind of power distribution cabinet with electro-magnetic screen function Download PDFInfo
- Publication number
- CN108808492A CN108808492A CN201810752442.XA CN201810752442A CN108808492A CN 108808492 A CN108808492 A CN 108808492A CN 201810752442 A CN201810752442 A CN 201810752442A CN 108808492 A CN108808492 A CN 108808492A
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- China
- Prior art keywords
- cabinet
- support plate
- rubber strip
- sealing rubber
- parts
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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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/0005—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with at least one oxide and at least one of carbides, nitrides, borides or silicides as the main non-metallic constituents
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/0047—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents
- C22C32/0052—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents only carbides
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/38—Hinged covers or doors
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Power Engineering (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The present invention discloses a kind of power distribution cabinet with electro-magnetic screen function,Including cabinet and cabinet door,The first support plate is provided in the cabinet,Second support plate and third support plate,First support plate,Second support plate and third support plate are equally distributed setting,First support plate,It is respectively arranged with first straight line sliding rail and second straight line sliding rail on the both sides of second support plate and third support plate,The first straight line sliding rail and second straight line sliding rail are symmetric setting,The first straight line sliding rail and second straight line sliding rail are bolted with cabinet,First support plate,Second support plate and third support plate with its respectively on first straight line sliding rail and the slider of second straight line sliding rail be bolted,First support plate,Second support plate and third support plate by its respectively on first straight line sliding rail and second straight line sliding rail be fixedly connected with cabinet;The power distribution cabinet with electro-magnetic screen function can effectively improve effectiveness.
Description
Technical field
The present invention relates to a kind of power distribution cabinets with electro-magnetic screen function.
Background technology
Power distribution cabinet(Case)Sub-power power distribution cabinet(Case)And light distribution cabinet(Case), metering cabinet(Case), it is the end of distribution system
Grade equipment.Power distribution cabinet is the general designation of motor control center.Power distribution cabinet is used in the occasion that load is more dispersed, circuit is less;
The occasion that motor control center concentrates for load, circuit is more.Their electric energy a certain circuit of upper level controller switching equipment
Distribute to load nearby.This grade of equipment reply load provides protection, monitoring and control.
Electro Magnetic Compatibility refers to just that certain electronic equipment neither interferes miscellaneous equipment, while also not being influenced by miscellaneous equipment.
Electro Magnetic Compatibility is one of most important index of product quality as safety known to us.Safety is related to the person
And property, and Electro Magnetic Compatibility is then related to the person and environmental protection.
But the effectiveness of existing power distribution cabinet is general, and those skilled in the art wish to provide and a kind of can effectively carry
The power distribution cabinet with electro-magnetic screen function of high shield effectiveness.
Invention content
The technical problem to be solved in the present invention is to provide it is a kind of can effectively improve shield effectiveness have electro-magnetic screen function
Power distribution cabinet.
To solve the above problems, the present invention adopts the following technical scheme that:
A kind of power distribution cabinet with electro-magnetic screen function, including cabinet and cabinet door, be provided in the cabinet the first support plate,
Second support plate and third support plate, first support plate, the second support plate and third support plate are equally distributed setting,
It is respectively arranged with first straight line sliding rail and second straight line on the both sides of first support plate, the second support plate and third support plate
Sliding rail, the first straight line sliding rail and second straight line sliding rail are symmetric setting, the first straight line sliding rail and second straight line
Sliding rail is bolted with cabinet, first support plate, the second support plate and third support plate with its respectively on first
The slider of line slide rail and second straight line sliding rail is bolted, and first support plate, the second support plate and third support plate are logical
Cross its respectively on first straight line sliding rail and second straight line sliding rail be fixedly connected with cabinet, the cabinet includes permalloy screen
Layer, keriotheca and aluminium sheet shielded layer are covered, the permalloy shielded layer and aluminium sheet shielded layer, which are bonded with keriotheca, to be connected, described
Permalloy shielded layer, keriotheca and aluminium sheet shielded layer are fixedly connected with cabinet, and the permalloy shielded layer is by by weight
192-230 parts of nickel, 48-55 parts of iron, 3-7 parts of niobium carbide, 2-4 parts of ramet, 2-5 parts of vanadium, 10-18 parts of copper, the beryllium of number proportioning
4-6 parts of 1-3 parts, 3-7 parts of holimium oxide, 12-17 parts of tungsten carbide, 3-7 parts of samarium, 4-7 parts of silver, 3-4 parts of cobalt and aluminium form.
Preferably, being provided with the first sealing rubber strip for shielding electromagnetism, the second sealing rubber strip in the cabinet door
With third sealing rubber strip, first sealing rubber strip, the second sealing rubber strip and third sealing rubber strip are viscous with cabinet door
Connection is closed, second sealing rubber strip is between the first sealing rubber strip and third sealing rubber strip, first sealing
Rubber strip and third sealing rubber strip, which are bonded with the second sealing rubber strip, to be connected, and is provided on the cabinet and the first sealing rubber
The groove that adhesive tape, the second sealing rubber strip mutually agree with third sealing rubber strip, first sealing rubber strip, the second sealing rubber
In adhesive tape and third sealing rubber strip insertion groove, the cabinet and cabinet door pass through the first sealing rubber strip, the second caulking gum
Item and third sealing rubber strip are tightly connected with groove.First sealing rubber strip, the second sealing rubber strip and third caulking gum
Item is embedded in groove, and electromagnetism is effectively shielded while so that cabinet and cabinet door is sealed.
Preferably, being provided with hinge on the cabinet, one end and the cabinet of the hinge are bolted, the hinge
The other end is bolted with cabinet door, and the cabinet door is articulated and connected by hinge and cabinet.By being provided with hinge, make cabinet and cabinet
Door is switched by hinge, and personnel easy to use open or close power distribution cabinet.
Preferably, being provided with electromagnetic shielding film in the cabinet, the electromagnetic shielding film is connected with the bonding of cabinet inner wall.
Electromagnetic shielding film effectively can carry out shielding interference to electromagnetism.
Preferably, being provided with electromagnetic shield cloth on the cabinet door front, electromagnetic screen is provided on the electromagnetic shield cloth
Cover adhesive tape, the electromagnetic shielding adhesive tape is connected with electromagnetic shield cloth bonding, the electromagnetic shield cloth by electromagnetic shielding adhesive tape with
Cabinet door bonding connection.Electromagnetic shield cloth and electromagnetic shielding adhesive tape, which can effectively improve, interferes electromagnetism, to improve to electromagnetism
The effect of shielding.
Preferably, being both provided with through-hole, the through-hole in first support plate, the second support plate and third support plate
It is symmetric setting.So that the electric wire in power distribution cabinet is passed through through-hole, user of service is made to be readily susceptible to arrange.
Preferably, universal wheel is provided below in the cabinet, the universal wheel is bolted with cabinet.Universal wheel can make
Power distribution cabinet is moved easily.
Preferably, being both provided with electromagnetic screen on first support plate, the second support plate and third support plate outer surface
Coating is covered, the electromagnetic screen coating wraps the first support plate, the second support plate and third support plate.Antioxygenic property is excellent
Nickel powder be main stuffing, keep its shield effectiveness high, service life is long.
Permalloy shielded layer is by 3-7 parts of 48-55 parts of 192-230 parts of nickel, iron, the niobium carbide, the carbon that match in parts by weight
Change 2-4 parts of tantalum, 2-5 parts of vanadium, 10-18 parts of copper, 1-3 parts of beryllium, 3-7 parts of holimium oxide, 12-17 parts of tungsten carbide, 3-7 parts of samarium, silver 4-7
4-6 parts of part, 3-4 parts of cobalt and aluminium compositions.
The preparation method of the permalloy shielded layer includes the following steps:
1)Melting:48-55 parts of 192-230 parts of nickel and iron are put into progress melting processing, smelting temperature 1600- in smelting furnace
1800 DEG C, smelting time 30-50min, isothermal holding is then carried out, holding temperature is 1300-1400 DEG C, and soaking time is
20-30min ;Then 3-7 parts of niobium carbide, 2-4 parts of ramet, 2-5 parts of vanadium, 10-18 parts of copper, 1-3 parts of beryllium, holimium oxide are added
It is small that 4-6 parts of 3-7 parts, 12-17 parts of tungsten carbide, 3-7 parts of samarium, 4-7 parts of silver, 3-4 parts of cobalt and aluminium keep the temperature 1-2 at 1250-1350 DEG C
When, it is constantly stirred in insulating process, aluminium alloy is made;
2)Casting:Mold is heated to 500-700 DEG C, by step 1)Aluminium alloy obtained carries out constant temperature at 1100-1150 DEG C
Casting, is at the uniform velocity cooled to 300-350 DEG C;
3)Annealing:Product after casting is placed in 870-890 DEG C of annealing furnace, heat preservation is come out of the stove for 3-5 hours, cold using air
But, cooling rate is 1.0-2.0 DEG C/min;
4)Quenching:It is placed in 930-950 DEG C of glowing furnace, heat preservation carries out quenching treatment after 2 hours, until temperature drops to 180-
200℃;
5)Tempering:Natural cooling is to get permalloy screen after keeping the temperature 5-10 hours in the tempering furnace that temperature is 250-270 DEG C
Cover layer.
By being added with Samarium Nitrate, with good neutron-absorbing performance, and tungsten is with good gamma-ray
Absorbent properties, electric conductivity are radiation-resistant basic principles, and silver and copper have good electric conductivity and addition magnetic material, from
And outstanding effectiveness can be played.
The characteristics of being the raw material of permalloy shielded layer below:
Nickel:Approximate silvery white, hard and have ductility and have ferromagnetic metallic element, it being capable of high polish and anticorrosive.
And there is ferromagnetic metallic element, it is mainly used for shielding electromagnetic interference and radio frequency interference.
Iron:There are metallic luster, 1538 DEG C of fusing point.2750 DEG C of boiling point, there is good ductility, conduction, heat conductivility.
Niobium carbide:Green cubic crystallizes, and has metallic luster, belongs to NaCl type cubic system, niobium carbide it is meltable in ramet,
In the compounds such as tungsten carbide, and the law of isomorphism is generated together and is dissolved mixture.
Ramet:As additive, the toughness of alloy is improved.
Vanadium:Vanadium can improve grain coarsening temperature by thinning microstructure and crystal grain, to play increase whole intensity,
Toughness and wearability.
Copper:In the metal of aubergine gloss, 8.92 grams/cc of density.1083.4 ± 0.2 DEG C of fusing point, boiling point 2567
℃.There is good ductility.Heat conduction and electric conductivity are preferable.
Beryllium:Beryllium has very strong decelerating effect to fast neutron, as neutron moderator.
Holimium oxide:For one of strongest substance of known paramagnetism.
Tungsten carbide:For black hexagonal, there is metallic luster, hardness is close with diamond, is the good conductor of electric heat,
There are preferable gamma-ray absorbent properties.
Samarium:As neutron-absorbing material.Neutron absorption cross-section is than extensive.
Silver:For one kind of transition metal.Chemical symbol Ag.Silver is one of the metal that ancient times are just known and are used, and is
A kind of important noble metal.Silver is with the presence of simple substance in nature, and relatively stable, heat conduction, electric conductivity are fine, and matter is soft, Fu Yan
Malleability.
Cobalt:Symbol of element Co, silvery white ferromagnetic metal, surface are production heat-resisting alloys, hard in silvery white slightly pale pink
The important source material of matter alloy, anti-corrosion alloy, magnetic alloy and various cobalt salts.Cobalt can be brilliant by other metal carbides in composition of alloy
Burl is combined, and so that alloy is had higher toughness, and reduce the sensitive property to impact.
Aluminium:With good conductive and heat conductivility, high reflectivity and resistance to oxidation.
Beneficial effects of the present invention are:By being provided with the first support plate, the second support plate and third support plate, first directly
Line sliding rail and second straight line sliding rail, enable that power distribution cabinet is easy to maintenance and Clean Living is local, by being provided with permalloy shielded layer, bee
Nest layer and aluminium sheet shielded layer, the electromagnetism that interference power distribution cabinet gives out, to effectively improve the effectiveness of power distribution cabinet.This
Outside, the first sealing rubber strip, the second sealing rubber strip and third sealing rubber strip for shielding electromagnetism are provided in cabinet door, the
One sealing rubber strip, the second sealing rubber strip and third sealing rubber strip are bonded with cabinet door and are connected, the second sealing rubber strip position
Between the first sealing rubber strip and third sealing rubber strip, the first sealing rubber strip and third sealing rubber strip are close with second
Rubber strip bonding connection is sealed, is provided with and the first sealing rubber strip, the second sealing rubber strip and third sealing rubber strip on cabinet
The groove mutually agreed with, the first sealing rubber strip, the second sealing rubber strip and third sealing rubber strip are embedded in groove, cabinet and cabinet
Door is tightly connected by the first sealing rubber strip, the second sealing rubber strip and third sealing rubber strip and groove.First sealing rubber
In adhesive tape, the second sealing rubber strip and third sealing rubber strip insertion groove, effectively shield while so that cabinet and cabinet door is sealed
Cover electromagnetism.Hinge is provided on cabinet, one end and the cabinet of hinge are bolted, and the other end and the cabinet door of hinge are bolted,
Cabinet door is articulated and connected by hinge and cabinet.By being provided with hinge, cabinet and cabinet door is set to be switched by hinge, people easy to use
Member opens or closes power distribution cabinet.Electromagnetic shielding film is provided in cabinet, electromagnetic shielding film is connected with the bonding of cabinet inner wall.Electromagnetic screen
Cover film effectively can carry out shielding interference to electromagnetism.It is provided with electromagnetic shield cloth on cabinet door front, electricity is provided on electromagnetic shield cloth
Magnetic screen adhesive tape, electromagnetic shielding adhesive tape are connected with electromagnetic shield cloth bonding, and electromagnetic shield cloth passes through electromagnetic shielding adhesive tape and cabinet door
Bonding connection.Electromagnetic shield cloth and electromagnetic shielding adhesive tape, which can effectively improve, interferes electromagnetism, to improve to electromagnetic shielding
Effect.Through-hole is both provided in first support plate, the second support plate and third support plate, through-hole is symmetric setting.Make
Electric wire in power distribution cabinet makes user of service be readily susceptible to arrange by through-hole.Universal wheel, universal wheel and cabinet is provided below in cabinet
It is bolted.Universal wheel can be such that power distribution cabinet is moved easily.On first support plate, the second support plate and third support plate outer surface
It is provided with electromagnetic screen coating, electromagnetic screen coating wraps the first support plate, the second support plate and third support plate.It is anti-oxidant
The nickel powder of function admirable is main stuffing, keeps its shield effectiveness high, service life is long.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is a kind of structural schematic diagram of the power distribution cabinet with electro-magnetic screen function of the present invention.
Fig. 2 is a kind of cabinet sectional view of the power distribution cabinet with electro-magnetic screen function of the present invention.
Fig. 3 is a kind of cabinet door front view of the power distribution cabinet with electro-magnetic screen function of the present invention.
Fig. 4 is a kind of partial perspective view of the power distribution cabinet with electro-magnetic screen function of the present invention.
In figure:1, cabinet;2, cabinet door;3, the first support plate;4, the second support plate;5, third support plate;6, first straight line
Sliding rail;7, second straight line sliding rail;8, permalloy shielded layer;9, keriotheca;10, aluminium sheet shielded layer;11, the first caulking gum
Item;12, the second sealing rubber strip;13, third sealing rubber strip;14, groove;15, hinge;16, electromagnetic shield cloth;17, electromagnetism
Shielding tape;18, through-hole;19, universal wheel.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In embodiment, it is to be understood that term " centre ", "upper", "lower", " top ", " right side ", " left end ", " on
Side ", " back side ", " middle part ", etc. instructions orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be only for
It is novel convenient for describing this implementation, it does not indicate or imply the indicated device or element must have a particular orientation, with spy
Fixed azimuth configuration and operation, therefore should not be understood as implementing this novel limitation.
In addition, the connection between component or fixed form if not otherwise specified in this embodiment, connection or
Fixed form can be to be fixed by bolt commonly used in the prior art or pin is fixed or axis pin connection, or be adhesively fixed,
Or it rivets the usual manners such as fixed and be not therefore described in detail in embodiment.
Embodiment 1
As shown in Figs. 1-2, a kind of power distribution cabinet with electro-magnetic screen function, including cabinet 1 and cabinet door 2 are set in the cabinet 1
It is equipped with the first support plate 3, the second support plate 4 and third support plate 5, first support plate 3, the second support plate 4 and third branch
Fagging 5 is equally distributed setting, is set respectively on the both sides of first support plate 3, the second support plate 4 and third support plate 5
It is equipped with first straight line sliding rail 6 and second straight line sliding rail 7, the first straight line sliding rail 6 and second straight line sliding rail 7 are symmetric and set
It sets, the first straight line sliding rail 6 and second straight line sliding rail 7 are bolted with cabinet 1, and first support plate 3, second supports
Plate 4 and third support plate 5 with its respectively on first straight line sliding rail 6 and the slider of second straight line sliding rail 7 be bolted, it is described
First support plate 3, the second support plate 4 and third support plate 5 by its respectively on first straight line sliding rail 6 and second straight line sliding rail
7 are fixedly connected with cabinet 1, and the cabinet 1 includes permalloy shielded layer 8, keriotheca 9 and aluminium sheet shielded layer 10, the slope
Alloy shielded layer 8 and aluminium sheet shielded layer 10, which are not bonded with keriotheca 9, connects, the permalloy shielded layer 8,9 and of keriotheca
Aluminium sheet shielded layer 10 is fixedly connected with cabinet 1.By being provided with the first support plate, the second support plate and third support plate,
One line slide rail and second straight line sliding rail, enable that power distribution cabinet is easy to maintenance and Clean Living is local, by being provided with permalloy shielding
Layer, keriotheca and aluminium sheet shielded layer, the electromagnetism that interference power distribution cabinet gives out, to effectively improve the electromagnetic shielding effect of power distribution cabinet
Fruit.
Permalloy shielded layer is by 2 parts of 3 parts of 48 parts of 192 parts of nickel, iron, niobium carbide, the ramet, the vanadium that match in parts by weight
4 parts of 2 parts, 10 parts of copper, 1 part of beryllium, 3 parts of holimium oxide, 12 parts of tungsten carbide, 3 parts of samarium, 4 parts of silver, 3 parts of cobalt and aluminium form.
The preparation method of the permalloy shielded layer includes the following steps:
1)Melting:48 parts of 192 parts of nickel and iron are put into progress melting processing in smelting furnace, smelting temperature is 1600 DEG C, when melting
Between be 30min, then carry out isothermal holding, holding temperature is 1300 DEG C, soaking time 20min;Then niobium carbide is added
3 parts, 2 parts of ramet, 2 parts of vanadium, 10 parts of copper, 1 part of beryllium, 3 parts of holimium oxide, 12 parts of tungsten carbide, 3 parts of samarium, 4 parts of silver, 3 parts of cobalt and aluminium 4
Part keeps the temperature 1 hour at 1250 DEG C, is constantly stirred in insulating process, and aluminium alloy is made;
2)Casting:Mold is heated to 500 DEG C, by step 1)Aluminium alloy obtained carries out constant temperature casting at 1100 DEG C, at the uniform velocity
It is cooled to 300 DEG C;
3)Annealing:Product after casting is placed in 870 DEG C of annealing furnace, heat preservation is come out of the stove for 3 hours, air-cooled using air cooling
Speed is 1.0 DEG C/min;
4)Quenching:It is placed in 930 DEG C of glowing furnace, heat preservation carries out quenching treatment after 2 hours, until temperature drops to 180 DEG C;
5)Tempering:Natural cooling is to get permalloy shielded layer after keeping the temperature 5 hours in the tempering furnace that temperature is 250 DEG C.
The present embodiment has the beneficial effect that:By being provided with the first support plate, the second support plate and third support plate, first
Line slide rail and second straight line sliding rail, enable that power distribution cabinet is easy to maintenance and Clean Living is local, by be provided with permalloy shielded layer,
Keriotheca and aluminium sheet shielded layer, the electromagnetism that interference power distribution cabinet gives out, to effectively improve the effectiveness of power distribution cabinet.
Embodiment 2
As shown in Figs 1-4, a kind of power distribution cabinet with electro-magnetic screen function, including cabinet 1 and cabinet door 2 are set in the cabinet 1
It is equipped with the first support plate 3, the second support plate 4 and third support plate 5, first support plate 3, the second support plate 4 and third branch
Fagging 5 is equally distributed setting, is set respectively on the both sides of first support plate 3, the second support plate 4 and third support plate 5
It is equipped with first straight line sliding rail 6 and second straight line sliding rail 7, the first straight line sliding rail 6 and second straight line sliding rail 7 are symmetric and set
It sets, the first straight line sliding rail 6 and second straight line sliding rail 7 are bolted with cabinet 1, and first support plate 3, second supports
Plate 4 and third support plate 5 with its respectively on first straight line sliding rail 6 and the slider of second straight line sliding rail 7 be bolted, it is described
First support plate 3, the second support plate 4 and third support plate 5 by its respectively on first straight line sliding rail 6 and second straight line sliding rail
7 are fixedly connected with cabinet 1, and the cabinet 1 includes permalloy shielded layer 8, keriotheca 9 and aluminium sheet shielded layer 10, the slope
Alloy shielded layer 8 and aluminium sheet shielded layer 10, which are not bonded with keriotheca 9, connects, the permalloy shielded layer 8,9 and of keriotheca
Aluminium sheet shielded layer 10 is fixedly connected with cabinet 1.By being provided with the first support plate, the second support plate and third support plate,
One line slide rail and second straight line sliding rail, enable that power distribution cabinet is easy to maintenance and Clean Living is local, by being provided with permalloy shielding
Layer, keriotheca and aluminium sheet shielded layer, the electromagnetism that interference power distribution cabinet gives out, to effectively improve the electromagnetic shielding effect of power distribution cabinet
Fruit.
The first sealing rubber strip 11, the second sealing rubber strip 12 and for shielding electromagnetism are provided in the cabinet door 2
Three sealing rubber strips 13, first sealing rubber strip 11, the second sealing rubber strip 12 and third sealing rubber strip 13 are and cabinet
2 bonding connection of door, second sealing rubber strip 12 is between the first sealing rubber strip 11 and third sealing rubber strip 13, institute
It states the first sealing rubber strip 11 and third sealing rubber strip 13 to connect with the bonding of the second sealing rubber strip 12, on the cabinet 1
It is provided with the groove agreed with the first sealing rubber strip 11, the second sealing rubber strip 12 and 13 phase of third sealing rubber strip, it is described
First sealing rubber strip 11, the second sealing rubber strip 12 and third sealing rubber strip 13 are embedded in groove 14, the cabinet 1 and cabinet
Door 2 is tightly connected by the first sealing rubber strip 11, the second sealing rubber strip 12 and third sealing rubber strip 13 and groove 14.The
In one sealing rubber strip, the second sealing rubber strip and third sealing rubber strip insertion groove, while so that cabinet and cabinet door is sealed
Electromagnetism can effectively be shielded.
Hinge 15 is provided on the cabinet 1, one end and the cabinet 1 of the hinge 15 are bolted, the hinge 15
The other end is bolted with cabinet door 2, and the cabinet door 2 is articulated and connected by hinge 15 and cabinet 1.By being provided with hinge, make cabinet
Body and cabinet door are switched by hinge, and personnel easy to use open or close power distribution cabinet.
Electromagnetic shielding film (not shown) is provided in the cabinet 1, the electromagnetic shielding film connects with the bonding of 1 inner wall of cabinet
It connects.Electromagnetic shielding film effectively can carry out shielding interference to electromagnetism.
It is provided with electromagnetic shield cloth 16 on 2 front of the cabinet door, electromagnetic shielding glue is provided on the electromagnetic shield cloth 16
Band 17, the electromagnetic shielding adhesive tape 17 are connected with the bonding of electromagnetic shield cloth 16, and the electromagnetic shield cloth 16 is by being electromagnetically shielded glue
Band 17 is connected with the bonding of cabinet door 2.Electromagnetic shield cloth and electromagnetic shielding adhesive tape, which can effectively improve, interferes electromagnetism, to improve
To the effect of electromagnetic shielding.
It is both provided with through-hole 18 in first support plate 3, the second support plate 4 and third support plate 5, the through-hole 18 is in
Symmetrical setting.So that the electric wire in power distribution cabinet is passed through through-hole, user of service is made to be readily susceptible to arrange.
Universal wheel 19 is provided below in the cabinet 1, and the universal wheel 19 is bolted with cabinet 1.Universal wheel can make to match
Electric cabinet is moved easily.
First support plate 3, the second support plate 4 and third support plate are both provided with electromagnetic screen coating on 5 outer surface
(It is not shown), the electromagnetic screen coating wraps the first support plate 3, the second support plate 4 and third support plate 5.Inoxidizability
Nickel powder that can be excellent is main stuffing, keeps its shield effectiveness high, service life is long.
Permalloy shielded layer is by 4 parts of 7 parts of 55 parts of 230 parts of nickel, iron, niobium carbide, the ramet, the vanadium that match in parts by weight
6 parts of 5 parts, 18 parts of copper, 3 parts of beryllium, 7 parts of holimium oxide, 17 parts of tungsten carbide, 7 parts of samarium, 7 parts of silver, 4 parts of cobalt and aluminium form.
The preparation method of the permalloy shielded layer includes the following steps:
1)Melting:55 parts of 230 parts of nickel and iron are put into progress melting processing in smelting furnace, smelting temperature is 1800 DEG C, when melting
Between be 50min, then carry out isothermal holding, holding temperature is 1400 DEG C, soaking time 30min;Then niobium carbide is added
7 parts, 4 parts of ramet, 5 parts of vanadium, 18 parts of copper, 3 parts of beryllium, 7 parts of holimium oxide, 17 parts of tungsten carbide, 7 parts of samarium, 7 parts of silver, 4 parts of cobalt and aluminium 6
Part keeps the temperature 2 hours at 1350 DEG C, is constantly stirred in insulating process, and aluminium alloy is made;
2)Casting:Mold is heated to 700 DEG C, by step 1)Aluminium alloy obtained carries out constant temperature casting at 11150 DEG C, at the uniform velocity
It is cooled to 350 DEG C;
3)Annealing:Product after casting is placed in 890 DEG C of annealing furnace, heat preservation is come out of the stove for 5 hours, air-cooled using air cooling
Speed is 2.0 DEG C/min;
4)Quenching:It is placed in 950 DEG C of glowing furnace, heat preservation carries out quenching treatment after 2 hours, until temperature drops to 200 DEG C;
5)Tempering:Natural cooling is to get permalloy shielded layer after keeping the temperature 10 hours in the tempering furnace that temperature is 270 DEG C.
The present embodiment has the beneficial effect that:By being provided with the first support plate, the second support plate and third support plate, first
Line slide rail and second straight line sliding rail, enable that power distribution cabinet is easy to maintenance and Clean Living is local, by be provided with permalloy shielded layer,
Keriotheca and aluminium sheet shielded layer, the electromagnetism that interference power distribution cabinet gives out, to effectively improve the effectiveness of power distribution cabinet.This
Outside, the first sealing rubber strip, the second sealing rubber strip and third sealing rubber strip for shielding electromagnetism are provided in cabinet door, the
One sealing rubber strip, the second sealing rubber strip and third sealing rubber strip are bonded with cabinet door and are connected, the second sealing rubber strip position
Between the first sealing rubber strip and third sealing rubber strip, the first sealing rubber strip and third sealing rubber strip are close with second
Rubber strip bonding connection is sealed, is provided with and the first sealing rubber strip, the second sealing rubber strip and third sealing rubber strip on cabinet
The groove mutually agreed with, the first sealing rubber strip, the second sealing rubber strip and third sealing rubber strip are embedded in groove, cabinet and cabinet
Door is tightly connected by the first sealing rubber strip, the second sealing rubber strip and third sealing rubber strip and groove.First sealing rubber
In adhesive tape, the second sealing rubber strip and third sealing rubber strip insertion groove, effectively shield while so that cabinet and cabinet door is sealed
Cover electromagnetism.Hinge is provided on cabinet, one end and the cabinet of hinge are bolted, and the other end and the cabinet door of hinge are bolted,
Cabinet door is articulated and connected by hinge and cabinet.By being provided with hinge, cabinet and cabinet door is set to be switched by hinge, people easy to use
Member opens or closes power distribution cabinet.Electromagnetic shielding film is provided in cabinet, electromagnetic shielding film is connected with the bonding of cabinet inner wall.Electromagnetic screen
Cover film effectively can carry out shielding interference to electromagnetism.It is provided with electromagnetic shield cloth on cabinet door front, electricity is provided on electromagnetic shield cloth
Magnetic screen adhesive tape, electromagnetic shielding adhesive tape are connected with electromagnetic shield cloth bonding, and electromagnetic shield cloth passes through electromagnetic shielding adhesive tape and cabinet door
Bonding connection.Electromagnetic shield cloth and electromagnetic shielding adhesive tape, which can effectively improve, interferes electromagnetism, to improve to electromagnetic shielding
Effect.Through-hole is both provided in first support plate, the second support plate and third support plate, through-hole is symmetric setting.Make
Electric wire in power distribution cabinet makes user of service be readily susceptible to arrange by through-hole.Universal wheel, universal wheel and cabinet is provided below in cabinet
It is bolted.Universal wheel can be such that power distribution cabinet is moved easily.On first support plate, the second support plate and third support plate outer surface
It is provided with electromagnetic screen coating, electromagnetic screen coating wraps the first support plate, the second support plate and third support plate.It is anti-oxidant
The nickel powder of function admirable is main stuffing, keeps its shield effectiveness high, service life is long.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
The change or replacement expected without creative work, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of power distribution cabinet with electro-magnetic screen function, it is characterised in that:Including cabinet and cabinet door, it is provided in the cabinet
First support plate, the second support plate and third support plate, first support plate, the second support plate and third support plate in etc. between
It is arranged away from distribution, first straight line cunning is respectively arranged on the both sides of first support plate, the second support plate and third support plate
Rail and second straight line sliding rail, the first straight line sliding rail and second straight line sliding rail are symmetric setting, and the first straight line is slided
Rail and second straight line sliding rail are bolted with cabinet, first support plate, the second support plate and third support plate and its
First straight line sliding rail and the slider of second straight line sliding rail on respectively are bolted, first support plate, the second support plate and
Third support plate by its respectively on first straight line sliding rail and second straight line sliding rail be fixedly connected with cabinet, the cabinet includes
There are permalloy shielded layer, keriotheca and an aluminium sheet shielded layer, the permalloy shielded layer and aluminium sheet shielded layer are and keriotheca
Bonding connection, the permalloy shielded layer, keriotheca and aluminium sheet shielded layer are fixedly connected with cabinet, the permalloy screen
Cover layer by match in parts by weight 2-5 parts of 2-4 parts of 3-7 parts of 48-55 parts of 192-230 parts of nickel, iron, niobium carbide, ramet, vanadium,
4-6 parts of 10-18 parts of copper, 1-3 parts of beryllium, 3-7 parts of holimium oxide, 12-17 parts of tungsten carbide, 3-7 parts of samarium, 4-7 parts of silver, 3-4 parts of cobalt and aluminium
Composition.
2. a kind of power distribution cabinet with electro-magnetic screen function according to claim 1, it is characterised in that:In the cabinet door
It is provided with the first sealing rubber strip, the second sealing rubber strip and third sealing rubber strip for shielding electromagnetism, described first is close
It seals rubber strip, the second sealing rubber strip and third sealing rubber strip and bonds connection, second sealing rubber strip position with cabinet door
Between the first sealing rubber strip and third sealing rubber strip, first sealing rubber strip and third sealing rubber strip are with
The bonding of two sealing rubber strips connects, and is provided on the cabinet close with the first sealing rubber strip, the second sealing rubber strip and third
The groove that envelope rubber strip mutually agrees with, first sealing rubber strip, the second sealing rubber strip and the insertion of third sealing rubber strip are recessed
In slot, the cabinet and cabinet door are close by the first sealing rubber strip, the second sealing rubber strip and third sealing rubber strip and groove
Envelope connection.
3. a kind of power distribution cabinet with electro-magnetic screen function according to claim 2, it is characterised in that:On the cabinet
It is provided with hinge, one end and the cabinet of the hinge are bolted, and the other end and the cabinet door of the hinge are bolted, the cabinet
Door is articulated and connected by hinge and cabinet.
4. a kind of power distribution cabinet with electro-magnetic screen function according to claim 3, it is characterised in that:In the cabinet
It is provided with electromagnetic shielding film, the electromagnetic shielding film is connected with the bonding of cabinet inner wall.
5. a kind of power distribution cabinet with electro-magnetic screen function according to claim 4, it is characterised in that:The cabinet door is just
It is provided with electromagnetic shield cloth on face, electromagnetic shielding adhesive tape, the electromagnetic shielding adhesive tape and electricity are provided on the electromagnetic shield cloth
The bonding connection of magnetic screen cloth, the electromagnetic shield cloth are connected by electromagnetic shielding adhesive tape and cabinet door bonding.
6. a kind of power distribution cabinet with electro-magnetic screen function according to claim 5, it is characterised in that:Described first
Through-hole is both provided in fagging, the second support plate and third support plate, the through-hole is symmetric setting.
7. a kind of power distribution cabinet with electro-magnetic screen function according to claim 6, it is characterised in that:Under the cabinet
Face is provided with universal wheel, and the universal wheel is bolted with cabinet.
Priority Applications (1)
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CN201810752442.XA CN108808492A (en) | 2018-07-10 | 2018-07-10 | A kind of power distribution cabinet with electro-magnetic screen function |
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CN201810752442.XA CN108808492A (en) | 2018-07-10 | 2018-07-10 | A kind of power distribution cabinet with electro-magnetic screen function |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102019201266A1 (en) * | 2019-01-31 | 2020-08-06 | Siemens Aktiengesellschaft | Submarine with an enclosure of an electrical device |
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CN104244687A (en) * | 2014-09-23 | 2014-12-24 | 中国科学院电子学研究所 | Electromagnetic shielding room |
CN105119162A (en) * | 2015-09-08 | 2015-12-02 | 国网山东沂南县供电公司 | Power distribution box with novel shell structure |
CN105578857A (en) * | 2016-02-29 | 2016-05-11 | 邱炎新 | Power electrical cabinet with good shielding performance |
CN206619830U (en) * | 2017-03-17 | 2017-11-07 | 重庆汉嘉电气股份有限公司 | Power distribution cabinet housing and power distribution cabinet |
CN206806783U (en) * | 2017-06-23 | 2017-12-26 | 珠海瑞曼电气有限公司 | XL dynamic power distribution cabinets |
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2018
- 2018-07-10 CN CN201810752442.XA patent/CN108808492A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104244687A (en) * | 2014-09-23 | 2014-12-24 | 中国科学院电子学研究所 | Electromagnetic shielding room |
CN105119162A (en) * | 2015-09-08 | 2015-12-02 | 国网山东沂南县供电公司 | Power distribution box with novel shell structure |
CN105578857A (en) * | 2016-02-29 | 2016-05-11 | 邱炎新 | Power electrical cabinet with good shielding performance |
CN206619830U (en) * | 2017-03-17 | 2017-11-07 | 重庆汉嘉电气股份有限公司 | Power distribution cabinet housing and power distribution cabinet |
CN206806783U (en) * | 2017-06-23 | 2017-12-26 | 珠海瑞曼电气有限公司 | XL dynamic power distribution cabinets |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102019201266A1 (en) * | 2019-01-31 | 2020-08-06 | Siemens Aktiengesellschaft | Submarine with an enclosure of an electrical device |
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