CN108988238A - A kind of high-cooling property air-type bus duct and preparation method thereof - Google Patents
A kind of high-cooling property air-type bus duct and preparation method thereof Download PDFInfo
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- CN108988238A CN108988238A CN201810572892.0A CN201810572892A CN108988238A CN 108988238 A CN108988238 A CN 108988238A CN 201810572892 A CN201810572892 A CN 201810572892A CN 108988238 A CN108988238 A CN 108988238A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0462—Tubings, i.e. having a closed section
- H02G3/0487—Tubings, i.e. having a closed section with a non-circular cross-section
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/03—Cooling
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/38—Non-oxide ceramic constituents or additives
- C04B2235/3852—Nitrides, e.g. oxynitrides, carbonitrides, oxycarbonitrides, lithium nitride, magnesium nitride
- C04B2235/386—Boron nitrides
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
- C04B2235/442—Carbonates
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
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- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
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- C08K2003/2224—Magnesium hydroxide
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Abstract
The invention discloses a kind of high-cooling property air-type bus ducts, it is related to electrical equipment technical field, including upper cover plate, lower cover plate, left plate and right side plate, the upper cover plate, lower cover plate, left plate and right side plate surround wheel carrier, bus is installed in the wheel carrier, is provided with heat dissipation cavity on the upper cover plate and lower cover plate, the heat dissipation cavity includes top plate and the connecting plate that connect top plate with upper cover plate, lower cover plate, the heat dissipation cavity is connected to wheel carrier, offers heat release hole on the connecting plate.The invention also discloses a kind of preparation methods of high-cooling property air-type bus duct, not only increase the intensity of bus duct, and effectively increase the radiating efficiency of bus duct, extend the service life of bus duct.
Description
Technical field
The present invention relates to electrical equipment technical fields, more particularly to a kind of high-cooling property air-type bus duct and its preparation
Method.
Background technique
As modernization project facility is emerged in large numbers with what is equipped, the fast increasing of the electricity consumption of all trades and professions, especially numerous high levels
The appearance of building and large-sized workshop, the traditional cable as transmission pressure has been unable to meet in present high current transportation system to be wanted
It asks, the used in parallel of multiway cable brings inconvenience to in-site installation construction connection, the electric power of bus duct indoors low pressure
More and more instead of wire and cable in conveying route engineering project.
Bus can generate amount of heat in use, will lead to outside if heat cannot be distributed in time to bus duct
Environment temperature locating for bus is higher, can seriously affect the service life of bus under hot environment for a long time.Existing sky
Gas type bus duct heat dissipation area is small, and heat is only capable of distributing from the gap between bus to outside bus duct, and radiating efficiency is lower.
Summary of the invention
The technical problem to be solved by the present invention is to the shortcomings that overcoming the prior art, provide a kind of high-cooling property air type
Bus duct and preparation method thereof.
In order to solve the above technical problems, technical scheme is as follows:
A kind of high-cooling property air-type bus duct, including upper cover plate, lower cover plate, left plate and right side plate, the upper cover plate, lower cover
Plate, left plate and right side plate surround wheel carrier, and bus is equipped in the wheel carrier, is provided on the upper cover plate and lower cover plate
Heat dissipation cavity, the heat dissipation cavity include top plate and the connecting plate that connect top plate with upper cover plate, lower cover plate, the heat dissipation cavity and are held
Line chamber is connected to, and offers heat release hole on the connecting plate.
Further, the left plate and right side plate are provided with heat dissipation cavity.
A kind of preceding high-cooling property air-type bus duct, heat dissipation cavity are tetragonous cone table shape, under the tetragonous cone table
Bottom is far from bus duct.
A kind of preceding high-cooling property air-type bus duct, the heat release hole setting are arranged along busduct length direction
Connecting plate on.
A kind of preceding high-cooling property air-type bus duct, is provided with insulation between bus and upper cover plate, lower cover plate
Partition.
A kind of preceding high-cooling property air-type bus duct is provided with radiating fin on left plate and right side plate.
A kind of preceding high-cooling property air-type bus duct, bus duct are prepared by the raw material of following parts by weight: ring
55-70 parts of oxygen resin, 42-46 parts of polyurethane resin, 32-35 parts of aluminium oxide, 24-28 parts of boron nitride, 15-18 parts of calcium carbonate, stone
12-16 parts of English powder, 22-27 parts of curing agent, 15-18 parts of fire retardant, 5-9 parts of agglutinant, 8-17 parts of catalyst.
A kind of preceding high-cooling property air-type bus duct, curing agent is polyamide curing agent, and the fire retardant is phosphorus
Perhaps the magnesium hydroxide catalyst is in quaternary phosphonium salt or alkyl metal halide to sour toluene diphenyl ester.
A kind of preparation method of high-cooling property air-type bus duct, comprising the following steps:
S1: epoxy resin, polyurethane resin are added in reaction kettle, are stirred, while reaction kettle being heated up, when being warming up to
Catalyst is added after 135-145 DEG C, continues to stir, while reaction kettle being heated up, until reactor temperature reaches 185-190
DEG C, 1-1.5h is kept the temperature, material one is obtained；
S2: calcium carbonate is smashed to pieces, is sieved with 100 mesh sieve, and is then added to batch mixer, and aluminium oxide, boron nitride, quartz are sequentially added
Suitable quantity of water is added in powder, is stirred mixing, then material one is added to batch mixer, is again stirring for by time 15-20min
Then mixing, time 25-30min, after mixing evenly vibration moulding are dried, material two is obtained；
S3: material two is added to sintering machine, and agglutinant, curing agent and fire retardant is added, is sintered, after the completion of sintering
To castable；
S4: the castable that S3 is obtained is added to mold, is poured, and then demoulds, and obtains finished product；
S5: carrying out ultrasonic examination processing to finished product, and underproof retract re-works after flaw detection, and qualification of detecting a flaw polish
Finishing, obtains bus duct.
A kind of preceding high-cooling property air-type bus duct preparation method, the speed stirred in S1 is 1500-1800r/
min。
The beneficial effects of the present invention are:
(1) present invention in be provided with heat dissipation cavity on upper cover plate, lower cover plate, left plate and right side plate, these heat dissipation cavities all with
Wheel carrier connection, effectively improves the radiating efficiency of bus duct, the heat for distributing bus can quickly be discharged, and avoid bus
Operating temperature is excessively high and influences the service life of bus；
(2) heat dissipation cavity is disposed as tetragonous cone table shape in the present invention, and the bottom of tetragonous cone table is far from bus duct, and heat release hole is arranged
Work is blocked play top plate can to heat release hole
With the heat release hole on left plate and right side plate in heat dissipation cavity is located at horizontal direction, and dust impurity etc. is avoided to carry out by heat dissipation cavity
Wheel carrier and cause dust impurity in wheel carrier excessive, influence the radiating efficiency of bus duct, at the same also ensure bus be in it is good
In good working environment；
(3) it is provided with insulating barrier between median generatrix and upper cover plate, lower cover plate of the present invention, improves the insulation effect of bus duct
Fruit, when the case where avoiding bus from leaking electricity, lead to bus groove case band point, improve the safety of bus duct；
(4) present invention is additionally provided with radiating fin on left plate and right side plate, increases the heat dissipation area of bus duct, further
Improve the radiating efficiency of bus duct；
(5) in the present invention, the base-material main body using epoxy resin and polyurethane resin as bus duct not only has good exhausted
Edge performance, and intensity is high, and waterproof, permeability resistance is good, improves the electric safety and waterproof performance of bus duct, also improves mother
The intensity of wire casing；Aluminium oxide is added again, aluminium oxide has good heating conduction, improves the thermal conductivity of bus groove case, just
It is discharged rapidly in the heat that bus radiates, the radiating efficiency of bus duct is made to improve 28-32%；Calcium carbonate is added, with oxidation
It will form aluminous cement through calcining after aluminium mixing, there is very high intensity, the intensity of bus duct is made to improve 22-25%；Nitrogen
It is good to change boron thermal stability, and there is good wear-resisting property, not only makes bus duct that there is better heat resistance, but also improve
The wear-resisting property of bus duct makes the service life of bus duct extend 12-16%；Agglutinant is added, when carrying out high temperature sintering
Aluminum oxide secondary can be inhibited to recrystallize, eliminate the stomata on crystal boundary, inhibited the speed of crystal grain migration, further improve bus
The intensity of slot；Fire retardant is added, improves the fire retardant performance of bus duct, the intensity of a fire can be prevented to bus duct when there is fire behavior
Interior sprawling makes bus guarantee to work normally, improves the safety in utilization of bus duct.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the right view of Fig. 1；
Wherein: 1, upper cover plate；2, lower cover plate；3, left plate；4, right side plate；5, wheel carrier；6, bus；7, heat dissipation cavity；8, top plate；
9, connecting plate；10, heat release hole；11, insulating barrier；12, radiating fin；13, rectangular through-hole.
Specific embodiment
It is right below according to specific embodiment and in conjunction with attached drawing to make the contents of the present invention be easier to be clearly understood
The present invention makes further details of explanation.
Embodiment 1
Present embodiments provide a kind of high-cooling property air-type bus duct, including upper cover plate 1, lower cover plate 2, left plate 3 and right side
Plate 4, upper cover plate 1, lower cover plate 2, left plate 3 and right side plate 4 surround wheel carrier 5, are equipped with bus 6 in wheel carrier 5, bus 6 with
Insulating barrier 11 is provided between upper cover plate 1, lower cover plate 2.It is opened on upper cover plate 1, lower cover plate 2, left plate 3 and right side plate 4
Equipped with a rectangular through-hole 13, a heat dissipation cavity 7 is provided in each rectangular through-hole 13, heat dissipation cavity 7 is by top plate 8 and four pieces of companies
Fishplate bar 9 surrounds, and top plate 8 is also rectangle, and rectangular through-hole 13 is connect by four pieces of connecting plates 9 with top plate 8, makes heat dissipation cavity 7 and wheel carrier 5
Connection.
Wherein, the length of top plate 8 and the wide length for being all larger than rectangular through-hole 13 and width make heat dissipation cavity 7 in tetragonous cone table shape.Heat dissipation
Heat release hole 10 is offered on chamber 7, and the heat release hole 10 in each heat dissipation cavity 7 is located at two pieces be arranged along 6 slot length direction of bus
On connecting plate 9, opened up on every piece of connecting plate 9 there are three heat release hole 10.
Radiating fin 12 is additionally provided on left plate 3 and right side plate 4.
Bus duct provided in this embodiment is prepared by the raw material of following parts by weight: 55 parts of epoxy resin, polyurethane tree
42 parts of rouge, 32 parts of aluminium oxide, 24 parts of boron nitride, 15 parts of calcium carbonate, 12 parts of silica flour, 22 parts of curing agent, 15 parts of fire retardant, sintering
5 parts of agent, 8 parts of catalyst.Wherein, curing agent is polyamide curing agent, and fire retardant is phosphate toluene diphenyl ester, and catalyst is season phosphine
Salt.
The present embodiment additionally provides a kind of preparation method of 6 slot of high-cooling property air type bus, comprising the following steps:
S1: epoxy resin, polyurethane resin being added in reaction kettle, are stirred, and the speed of stirring is 1500r/min, simultaneously
Reaction kettle is heated up, catalyst is added after being warming up to 135 DEG C, continues to stir, while reaction kettle being heated up, until in reaction kettle
Temperature reaches 185 DEG C, keeps the temperature 1h, obtains material one；
S2: calcium carbonate is smashed to pieces, is sieved with 100 mesh sieve, and is then added to batch mixer, and aluminium oxide, boron nitride, quartz are sequentially added
Suitable quantity of water is added in powder, is stirred mixing, then material one is added to batch mixer, is again stirring for mixing by time 15min
Then material, time 25min, after mixing evenly vibration moulding are dried, material two is obtained；
S3: material two is added to sintering machine, and agglutinant, curing agent and fire retardant is added, is sintered, after the completion of sintering
To castable；
S4: the castable that S3 is obtained is added to mold, is poured, and then demoulds, and obtains finished product；
S5: carrying out ultrasonic examination processing to finished product, and underproof retract re-works after flaw detection, and qualification of detecting a flaw polish
Finishing, obtains bus duct.
Embodiment 2
Present embodiments provide a kind of high-cooling property air-type bus duct, including upper cover plate 1, lower cover plate 2, left plate 3 and right side
Plate 4, upper cover plate 1, lower cover plate 2, left plate 3 and right side plate 4 surround wheel carrier 5, are equipped with bus 6 in wheel carrier 5, bus 6 with
Insulating barrier 11 is provided between upper cover plate 1, lower cover plate 2.It is opened on upper cover plate 1, lower cover plate 2, left plate 3 and right side plate 4
Equipped with a rectangular through-hole 13, a heat dissipation cavity 7 is provided in each rectangular through-hole 13, heat dissipation cavity 7 is by top plate 8 and four pieces of companies
Fishplate bar 9 surrounds, and top plate 8 is also rectangle, and rectangular through-hole 13 is connect by four pieces of connecting plates 9 with top plate 8, makes heat dissipation cavity 7 and wheel carrier 5
Connection.
Wherein, the length of top plate 8 and the wide length for being all larger than rectangular through-hole 13 and width make heat dissipation cavity 7 in tetragonous cone table shape.Heat dissipation
Heat release hole 10 is offered on chamber 7, and the heat release hole 10 in each heat dissipation cavity 7 is located at two pieces be arranged along 6 slot length direction of bus
On connecting plate 9, opened up on every piece of connecting plate 9 there are three heat release hole 10.
Radiating fin 12 is additionally provided on left plate 3 and right side plate 4.
Bus duct provided in this embodiment is prepared by the raw material of following parts by weight: 70 parts of epoxy resin, polyurethane tree
46 parts of rouge, 35 parts of aluminium oxide, 28 parts of boron nitride, 18 parts of calcium carbonate, 16 parts of silica flour, 27 parts of curing agent, 18 parts of fire retardant, sintering
9 parts of agent, 17 parts of catalyst.Wherein, curing agent is polyamide curing agent, and fire retardant is magnesium hydroxide, and the catalyst is alkyl
Metal halide.
The present embodiment additionally provides a kind of preparation method of 6 slot of high-cooling property air type bus, comprising the following steps:
S1: epoxy resin, polyurethane resin are added in reaction kettle, are stirred, while reaction kettle being heated up, when being warming up to
Catalyst is added after 145 DEG C, continues to stir, while reaction kettle being heated up, until reactor temperature reaches 190 DEG C, heat preservation
1.5h obtains material one；
S2: calcium carbonate is smashed to pieces, is sieved with 100 mesh sieve, and is then added to batch mixer, and aluminium oxide, boron nitride, quartz are sequentially added
Suitable quantity of water is added in powder, is stirred mixing, then material one is added to batch mixer, is again stirring for mixing by time 20min
Then material, time 30min, after mixing evenly vibration moulding are dried, material two is obtained；
S3: material two is added to sintering machine, and agglutinant, curing agent and fire retardant is added, is sintered, after the completion of sintering
To castable；
S4: the castable that S3 is obtained is added to mold, is poured, and then demoulds, and obtains finished product；
S5: carrying out ultrasonic examination processing to finished product, and underproof retract re-works after flaw detection, and qualification of detecting a flaw polish
Finishing, obtains bus duct.
Embodiment 3
Present embodiments provide a kind of high-cooling property air-type bus duct, including upper cover plate 1, lower cover plate 2, left plate 3 and right side
Plate 4, upper cover plate 1, lower cover plate 2, left plate 3 and right side plate 4 surround wheel carrier 5, are equipped with bus 6 in wheel carrier 5, bus 6 with
Insulating barrier 11 is provided between upper cover plate 1, lower cover plate 2.It is opened on upper cover plate 1, lower cover plate 2, left plate 3 and right side plate 4
Equipped with a rectangular through-hole 13, a heat dissipation cavity 7 is provided in each rectangular through-hole 13, heat dissipation cavity 7 is by top plate 8 and four pieces of companies
Fishplate bar 9 surrounds, and top plate 8 is also rectangle, and rectangular through-hole 13 is connect by four pieces of connecting plates 9 with top plate 8, makes heat dissipation cavity 7 and wheel carrier 5
Connection.
Wherein, the length of top plate 8 and the wide length for being all larger than rectangular through-hole 13 and width make heat dissipation cavity 7 in tetragonous cone table shape.Heat dissipation
Heat release hole 10 is offered on chamber 7, and the heat release hole 10 in each heat dissipation cavity 7 is located at two pieces be arranged along 6 slot length direction of bus
On connecting plate 9, opened up on every piece of connecting plate 9 there are three heat release hole 10.
Radiating fin 12 is additionally provided on left plate 3 and right side plate 4.
Bus duct provided in this embodiment is prepared by the raw material of following parts by weight: 60 parts of epoxy resin, polyurethane tree
44 parts of rouge, 34 parts of aluminium oxide, 26 parts of boron nitride, 17 parts of calcium carbonate, 14 parts of silica flour, 25 parts of curing agent, 16 parts of fire retardant, sintering
7 parts of agent, 12 parts of catalyst.Wherein, curing agent is polyamide curing agent, and fire retardant is phosphate toluene diphenyl ester, and catalyst is season
Phosphonium salt.
The present embodiment additionally provides a kind of preparation method of high-cooling property air-type bus duct, comprising the following steps:
S1: epoxy resin, polyurethane resin are added in reaction kettle, are stirred, while reaction kettle being heated up, when being warming up to
Catalyst is added after 140 DEG C, continues to stir, while reaction kettle being heated up, until reactor temperature reaches 187 DEG C, heat preservation
1.25h obtains material one；
S2: calcium carbonate is smashed to pieces, is sieved with 100 mesh sieve, and is then added to batch mixer, and aluminium oxide, boron nitride, quartz are sequentially added
Suitable quantity of water is added in powder, is stirred mixing, then material one is added to batch mixer, is again stirring for mixing by time 18min
Then material, time 27min, after mixing evenly vibration moulding are dried, material two is obtained；
S3: material two is added to sintering machine, and agglutinant, curing agent and fire retardant is added, is sintered, after the completion of sintering
To castable；
S4: the castable that S3 is obtained is added to mold, is poured, and then demoulds, and obtains finished product；
S5: carrying out ultrasonic examination processing to finished product, and underproof retract re-works after flaw detection, and qualification of detecting a flaw polish
Finishing, obtains bus duct.
Comparative example: the bus duct of commercially available Yangzhou Feng Yue Electric Applicance Co., Ltd production.
Embodiment 1- embodiment 3 and comparative example are compared into experimental test, properties are measured by national standard, test
Condition and other test materials are all the same, and test result is as shown in table 1:
Table 1
As can be seen from Table 1, high-cooling property air-type bus duct prepared by the present invention, not only Brinell hardness and tensile strength are higher than
Comparative example, and bus duct work normally a period of time after with it is initial when the temperature difference be respectively less than comparative example, it can thus be seen that this
Inventing the high-cooling property air-type bus duct prepared, not only intensity and mechanical performance are higher than existing bus duct, but also radiating efficiency
It is apparently higher than existing bus duct.The service life of high-cooling property air-type bus duct prepared by the present invention is relative to existing mother
Wire casing extends 22-26%.
In addition to the implementation, the present invention can also have other embodiments；It is all to use equivalent substitution or equivalent transformation shape
At technical solution, fall within the scope of protection required by the present invention.
Claims (10)
1. a kind of high-cooling property air-type bus duct, including upper cover plate (1), lower cover plate (2), left plate (3) and right side plate (4),
The upper cover plate (1), lower cover plate (2), left plate (3) and right side plate (4) surround wheel carrier (5), installation in the wheel carrier (5)
There are bus (6), it is characterised in that: at least one heat dissipation cavity (7) is provided on the upper cover plate (1) and lower cover plate (2), it is described
Heat dissipation cavity (7) includes top plate (8) and the connecting plate (9) that connect top plate (8) with upper cover plate (1), lower cover plate (2), described to dissipate
Hot chamber (7) is connected to wheel carrier (5), offers heat release hole (10) on the connecting plate (9).
2. a kind of high-cooling property air-type bus duct according to claim 1, it is characterised in that: the left plate (3) and
Right side plate (4) is provided at least one heat dissipation cavity (7).
3. a kind of high-cooling property air-type bus duct according to claim 2, it is characterised in that: the heat dissipation cavity (7) is
Tetragonous cone table shape, the bottom of the tetragonous cone table is far from bus duct.
4. a kind of high-cooling property air-type bus duct according to claim 3, it is characterised in that: the heat release hole (10) sets
It sets along the connecting plate (9) that bus (6) slot length direction is arranged.
5. a kind of high-cooling property air-type bus duct according to claim 1, it is characterised in that: the bus (6) with it is upper
Insulating barrier (11) are provided between cover board (1), lower cover plate (2).
6. a kind of high-cooling property air-type bus duct according to claim 1, it is characterised in that: the left plate (3) and
Radiating fin (12) are provided on right side plate (4).
7. a kind of high-cooling property air-type bus duct according to claim 1, it is characterised in that: the bus duct is by following
The raw material of parts by weight is prepared: 55-70 parts of epoxy resin, 42-46 parts of polyurethane resin, and 32-35 parts of aluminium oxide, boron nitride
24-28 parts, 15-18 parts of calcium carbonate, 12-16 parts of silica flour, 22-27 parts of curing agent, 15-18 parts of fire retardant, 5-9 parts of agglutinant,
8-17 parts of catalyst.
8. a kind of high-cooling property air-type bus duct according to claim 7, it is characterised in that: the curing agent is polyamides
Amine hardener, the fire retardant are that perhaps the magnesium hydroxide catalyst is quaternary phosphonium salt or alkyl gold to phosphate toluene diphenyl ester
Belong to halide.
9. a kind of preparation method of high-cooling property air-type bus duct as claimed in claim 7, it is characterised in that: including following
Step:
S1: epoxy resin, polyurethane resin are added in reaction kettle, are stirred, while reaction kettle being heated up, when being warming up to
Catalyst is added after 135-145 DEG C, continues to stir, while reaction kettle being heated up, until reactor temperature reaches 185-190
DEG C, 1-1.5h is kept the temperature, material one is obtained；
S2: calcium carbonate is smashed to pieces, is sieved with 100 mesh sieve, and is then added to batch mixer, and aluminium oxide, boron nitride, quartz are sequentially added
Suitable quantity of water is added in powder, is stirred mixing, then material one is added to batch mixer, is again stirring for by time 15-20min
Then mixing, time 25-30min, after mixing evenly vibration moulding are dried, material two is obtained；
S3: material two is added to sintering machine, and agglutinant, curing agent and fire retardant is added, is sintered, after the completion of sintering
To castable；
S4: the castable that S3 is obtained is added to mold, is poured, and then demoulds, and obtains finished product；
S5: carrying out ultrasonic examination processing to finished product, and underproof retract re-works after flaw detection, and qualification of detecting a flaw polish
Finishing, obtains bus duct.
10. a kind of preparation method of high-cooling property air-type bus duct according to claim 9, it is characterised in that: described
The speed stirred in S1 is 1500-1800r/min.
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| CN201810572892.0A CN108988238A (en) | 2018-06-05 | 2018-06-05 | A kind of high-cooling property air-type bus duct and preparation method thereof |
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| CN111541126A (en) * | 2020-04-27 | 2020-08-14 | 江苏华强电力设备有限公司 | All-insulation pouring common-box bus and production process thereof |
| CN111541127A (en) * | 2020-04-27 | 2020-08-14 | 江苏华强电力设备有限公司 | All-insulation pouring initial-end bus and preparation method thereof |
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